Journal articles on the topic 'Columbia Broadcasting System building'
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Jeong, Jeongho. "Audibility of emergency broadcasting sound in a mechanical room in an office building." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 3 (August 1, 2021): 3811–16. http://dx.doi.org/10.3397/in-2021-2531.
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Fire alarm and emergency broadcasting sound are important in fire and disaster situations. For the clear presentation of the fire alarm and emergency broadcasting sound to occupants of buildings, some guidelines and requirements were established. In NFPA 72 and BS standard, a specific alarm sound level for alarm sound of residential facilities was proposed and Speech Transmission Index(STI) was regulated for the emergency broadcasting system. In the fire and disaster situation, one of the important facility is a mechanical and electrical system to maintain water and electricity supply. To maintain this function in the buildings, clear presentation of emergency broadcasting sound to the workers in the mechanical and electrical room is crucial for the emergency operation of the system. In this study, the noise level in the mechanical rooms and electricity facilities of more than 40 years old office building were measured. Also, audibility and room acoustic properties such as reverberation time and STIwas simulated using Odeon 12. In order to deliver emergency broadcasting sound more clearly, sound absorption material and a soundproof chamber for noisy devices are needed. Also, the emergency broadcasting system in noisy facilities should be improved to produce the broadcasting sound louder and clearer.
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Wahyuni, Hermin Indah. "Complexity and Adaptive System of Television Broadcasting: The Reflection of Autopoetic Mechanism of Indonesian Television Broadcasting System." Jurnal Ilmu Sosial dan Ilmu Politik 20, no. 3 (August 4, 2017): 189. http://dx.doi.org/10.22146/jsp.27204.
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This article aims to describe a model of a robust adaptive system which suits the context of situation in Indonesian as an archipelago, as well as developing and democratic values-based country. It mainly focuses on how the autopoetic mechanism in Indonesian television broadcasting system is. Autopoetic mechanism is self-reference orientation. The process in which the system orient to reduce their problem by building the internal structure to cope with it. The research process was done in 2014 until 2016. Methods applied in this research is qualitative research. Several methods that were employed are observation, in-depth interview, and focus group discussion. It would be measured and analysed with three aspects: communication, temporal and differentiation aspect. The findings suggest that building a robust system means establishing a “strong and adaptive” broadcasting system in Indonesia that strengthens each sub-system in the Indonesian broadcasting system in order to capture what the public demands. In this level it takes a comprehensive view of the decision-makers to design a broadcasting system that continues to answer the demanding environment through its communication function, growing temporal through continuous evolution and develop functions through a process of differentiation. If these three functions can work continuously, Indonesian broadcasting system will be stronger and more adaptive with their complex external environment. The main argument of this paper is Indonesian Broadcasting System faces a very complex environment television, however their adaptive and autopoetic mechanism is still weak to cope with the challenges.
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Smith, Cathy. "Building an Internet Archive System for the British Broadcasting Corporation." Library Trends 54, no. 1 (2005): 16–32. http://dx.doi.org/10.1353/lib.2006.0008.
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Ventura, Carlos E., W. D. Liam Finn, Tuna Onur, Ardel Blanquera, and Mahmoud Rezai. "Regional seismic risk in British Columbia — classification of buildings and development of damage probability functions." Canadian Journal of Civil Engineering 32, no. 2 (April 1, 2005): 372–87. http://dx.doi.org/10.1139/l04-099.
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Regional seismic risk estimations are needed in southwestern British Columbia, since it is one of the most seismically active and highly populated regions in Canada. Regional estimations typically involve a large number of buildings, which makes it necessary to establish a building classification system, where the average response to earthquake shaking is assumed to be similar within each building class. In this study, buildings in British Columbia were divided into 31 classes based on their material, lateral load bearing system, height, use, and age. A damage probability matrix (DPM) was then developed for each building class which describes the probability of being in a certain damage level (i.e., light, moderate, heavy, etc.) given the ground shaking intensity. Next, a probability distribution function was fit to the discrete probability values at each intensity level. The products of this study, the building classification system, the DPMs, and the probability distribution functions will allow regional damage and loss estimations in the area.Key words: seismic risk, vulnerability, building classification, structural system, building response, damage, probability.
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Li, Qian, and Dong Sheng Liu. "Research on Improving Room Sound Field of Exhibition Building." Advanced Materials Research 1065-1069 (December 2014): 1634–37. http://dx.doi.org/10.4028/www.scientific.net/amr.1065-1069.1634.
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Generally, there is a high background noise and long reverberation time and poor speech intelligibility in exhibition space due to its big crowd and often commercial promotional activities so that communication is very hard, commercial activities broadcasting system is also difficult to ensure that customers can clearly hear the propaganda content. In this paper, through measured background noise of the new exhibition center in Chengdu, we found the acoustic problem in exhibition space, then we did simulation analysis in some exhibition building and took some acoustical process to get a good sound field.
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Kenyon, Andrew T., Eva-Maria Svensson, and Maria Edström. "Building and Sustaining Freedom of Expression." Nordicom Review 38, no. 1 (June 15, 2017): 31–45. http://dx.doi.org/10.1515/nor-2016-0043.
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AbstractAlthough countries protect and promote freedom of expression in different ways, free speech can be understood to have two basic aspects in democratic constitutional systems: non-censorship and diversity of voices. This article examines how the approach to free speech in Sweden contains both these aspects. Selected comparisons with the US First Amendment, and German broadcasting law, indicate the value in the Swedish approach but also reveal challenges that it faces if free speech’s dual aspects are not clearly recognised – a danger that some contemporary statements suggests is real. Articulating free speech in terms of both non-censorship and diversity may aid Swedish parliamentary processes to uphold important structural aspects of the freedom, but it would also bring into focus larger questions about the limits of parliamentary processesalonein building a viable system of freedom of expression for the future.
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Sheppard, Josh. "The Political Economic Structure of Early Media Reform Before and After the Communications Act of 1934." Resonance 1, no. 3 (2020): 244–66. http://dx.doi.org/10.1525/res.2020.1.3.244.
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This paper examines how early media reform work evolved from political activism into a system-building advocacy campaign in support of Schools of the Air between 1930 and 1940. Calling upon archival work that focuses on 1935–1940 records, it examines how prominent activist groups the National Committee for Education by Radio (NCER) and the National Advisory Council for Radio in Education (NACRE) shifted their strategic approaches to adjust to the “public interest” mandate of the Communications Act of 1934. Though scholarship has chronicled disagreements between the NCER and NACRE over how to best support educational broadcasting, a dialectical interplay emerged after the act during the New Deal due to the influence of the Federal Radio Education Committee (FREC). FREC inspired A.G. Crane of the NCER to build the Rocky Mountain Radio Council (RMRC). The RMRC was the first sustainable educational media network, and the group coined the term public broadcasting. While the Communications Act signaled the end of the first wave of media activism, the policy also inspired reformers to develop a new system-building strategy that set the groundwork for NPR and PBS.
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Ullah, Mahib, Xingmei Li, Muhammad Abul Hassan, Farhat Ullah, Yar Muhammad, Fabrizio Granelli, Lucia Vilcekova, and Tariq Sadad. "An Intelligent Multi-Floor Navigational System Based on Speech, Facial Recognition and Voice Broadcasting Using Internet of Things." Sensors 23, no. 1 (December 27, 2022): 275. http://dx.doi.org/10.3390/s23010275.
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Modern technologies such as the Internet of Things (IoT) and physical systems used as navigation systems play an important role in locating a specific location in an unfamiliar environment. Due to recent technological developments, users can now incorporate these systems into mobile devices, which has a positive impact on the acceptance of navigational systems and the number of users who use them. The system that is used to find a specific location within a building is known as an indoor navigation system. In this study, we present a novel approach to adaptable and changeable multistory navigation systems that can be implemented in different environments such as libraries, grocery stores, shopping malls, and official buildings using facial and speech recognition with the help of voice broadcasting. We chose a library building for the experiment to help registered users find a specific book on different building floors. In the proposed system, to help the users, robots are placed on each floor of the building, communicating with each other, and with the person who needs navigational help. The proposed system uses an Android platform that consists of two separate applications: one for administration to add or remove settings and data, which in turn builds an environment map, while the second application is deployed on robots that interact with the users. The developed system was tested using two methods, namely system evaluation, and user evaluation. The evaluation of the system is based on the results of voice and face recognition by the user, and the model’s performance relies on accuracy values obtained by testing out various values for the neural network parameters. The evaluation method adopted by the proposed system achieved an accuracy of 97.92% and 97.88% for both of the tasks. The user evaluation method using the developed Android applications was tested on multi-story libraries, and the results were obtained by gathering responses from users who interacted with the applications for navigation, such as to find a specific book. Almost all the users find it useful to have robots placed on each floor of the building for giving specific directions with automatic recognition and recall of what a person is searching for. The evaluation results show that the proposed system can be implemented in different environments, which shows its effectiveness.
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Berner, Maureen M. "Building Conditions, Parental Involvement, and Student Achievement in the District of Columbia Public School System." Urban Education 28, no. 1 (April 1993): 6–29. http://dx.doi.org/10.1177/0042085993028001002.
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Endri, Jon, and Elizah Fitri. "Design and Build an Internet of Things (IoT) Automatic TV Broadcasting Antenna System." LOGIC : Jurnal Rancang Bangun dan Teknologi 22, no. 3 (November 30, 2022): 225–33. http://dx.doi.org/10.31940/logic.v22i3.225-233.
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Nowadays, television is used for educational purposes. It is easily accessible through air-to-air broadcasts and can be connected via satellite. What is witnessed on a television screen is all image and sound elements. Many people feel uncomfortable watching television shows because when the television is used, the broadcasts that appear are not all images and sounds that can be seen and heard properly. Most antennas used by every household are patented in a certain position. Based on the existing description, the problem that would be solved is how to design an IoT-based TV broadcasting antenna system to make it easier to watch television with clear broadcasts and good sound without changing the antenna's position manually. With the design method, the tool to be made consists of a flowchart and a circuit design, namely, building a system with inputs, processes, and outputs. The automatic TV broadcasting antenna system based on the internet of things (IoT) is a system that points the antenna in the best position for each selected broadcast that can be controlled via Android using the Blynk IoT Application. After that, the test was carried out by taking data at two locations for the IoT antenna. The assessment results showed that each location was different, and the position of the antenna direction would also be different, so the location of the antenna must be changed by changing the angle contained in the Arduino IDE software.
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Xiao, Jianhong, Guang Zhang, Tianwei Li, and Jose Silva-Martinez. "Low-Power Fully Integrated CMOS DTV Tuner Front-End for ATSC Terrestrial Broadcasting." VLSI Design 2007 (March 13, 2007): 1–13. http://dx.doi.org/10.1155/2007/71974.
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A low-cost low-power DTV tuner for current digital television application is described. In order to increase integration level and reduce power consumption for off-air DTV tuner application, an SAW-filterless tuner front-end architecture is adopted. As a part of the concept, key building blocks for this architecture are implemented on a main stream 0.35 μm CMOS technology. Experimental measurements for the prototype chip validate the system architecture; the prototype consumes 300 mw and achieves 45 dB of image rejection ratio within the entire 750 MHz frequency band.
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Jeong, Jeong-Ho. "Prediction and Evaluation of Emergency Broadcasting Sound and Speech Intelligibility for Safety Zones in High-rise Buildings." Fire Science and Engineering 34, no. 6 (December 31, 2020): 37–43. http://dx.doi.org/10.7731/kifse.91d2fd5b.
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As construction of high-rise buildings is increasing, the installation of a fire safety zone for the safe evacuation of residents has become mandatory. Even for building complexes with an underground connection between 30 and 49 stories, a fire safety zone must be installed when the residential density exceeds 1.5 people per square meter. In the fire safety zone, an automatic fire detection system and a system to assist radio communication must be installed. In addition, an emergency broadcasting system must be installed to announce the fire situation and to guide the safe evacuation of the residents. The fire safety zone was constructed with non-combustible material to minimize flames or smoke and was furnished to maintain a very low fire load. However, non-combustible materials have very low sound absorption characteristics; therefore, they usually reflect the sound energy into the spaces. In spaces consisting of sound reflective materials, the emergency broadcasting sounds reverberated, making it difficult to understand the meaning of the broadcasted sound. In this study, the room acoustics characteristics for fire safety zones in a high-rise building, represented as reverberation time and speech transmission index, were predicted using a certified room acoustics simulation method and evaluation of speech intelligibility. As a result of predicting the acoustic characteristics of the safety zone, it was found that the space had quite long reverberation and speech intelligibility was low, making it difficult to clearly transmit the emergency broadcast sound. When a safety zone was set up in a part of the machinery room, it was confirmed that it was difficult to clearly transmit the emergency broadcast sound, even when the background noise level was louder than 70 dB(A). To deliver a clear emergency broadcast sound in the safety zone, it is necessary to use inorganic sound-absorbing materials and to properly block noise in the machine room. In addition, it is necessary to establish guidelines for regulation of the speech transmission index for emergency broadcasting systems.
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Razavi, Zohreh, Max Richter, Murray Hodgson, and Alireza Khaleghi. "Acoustical Improvements with Natural Air Ventilation in the Liu Institute for Global Issues at the University of British Columbia." Journal of Green Building 6, no. 1 (February 1, 2011): 114–22. http://dx.doi.org/10.3992/jgb.6.1.114.
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Low speech privacy in shared and private offices in one of the early generation of a “green” building resulted in occupants' dissatisfaction. This problem is experienced in Liu institute with a natural-ventilation system. Such a system requires low air-flow resistance which is achieved by large openings which will result in noise transmission between various spaces within the building. The poor acoustical quality in this building resulted in occupants' noise complaints which were further investigated by way of relevant acoustical measurements. CATT-Acoustic software was utilized to modify the acoustical quality of the building without any disturbance to the occupants. The optimized design of the transfer box above the office door was selected based on CATT-Acoustic predictions. The acoustical measurements were conducted after installation of the transfer box above the office door. The measurements' results agreed with the predictions which led to improved speech privacy to an acceptable level between the office and the corridor in Liu Institute. More work should be done to improve the acoustical quality of natural-ventilated building to conform to ANSI standards.1The results of this study strongly support including acoustics in “green” building designs with natural ventilation to avoid users' complaints.
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Arnold-Smith, Lydia, and Henry G. Harder. "Experiences of Medical Advisors in the Workers' Compensation System in British Columbia." International Journal of Disability Management 2, no. 1 (March 1, 2007): 18–26. http://dx.doi.org/10.1375/jdmr.2.1.18.
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AbstractAttending physicians and medical advisors, physicians contracting their services to the Workers' Compensation Board, have key roles in assisting injured workers to return to work. A literature review of the role of the physician in the compensable return to work process reveals a lack of information regarding the experiences of medical advisors. This descriptive phenomenological study was undertaken to explore the lived experiences of four medical advisors in a northern rural service delivery location. The purpose of the research was to gain an understanding of the medical advisors' experiences in the compensable return to work process and in the compensation system. Analysis of the interview data revealed a central theme of commitment to quality medical care for injured workers, along with three major themes and several minor themes subsumed within the major concepts: providing medical opinions — requiring factual information, clarifying the diagnosis, no previous relationship with worker, categories of injuries; working with attending physicians and specialists — building relationships, evidence based treatment plans, role of the attending physician, role of the medical advisor; and, working within the workers' compensation environment — structure and policies, expedited services, and case management/team environment. This research report presents the central theme as the foundation through which the major themes are interconnected. This study does not generalise to all medical advisors, but relays stories that contain the essence of a lived experience.
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BROWN, GWYNNE KUHNER. "Whatever Happened to William Dawson's Negro Folk Symphony?" Journal of the Society for American Music 6, no. 4 (November 2012): 433–56. http://dx.doi.org/10.1017/s1752196312000351.
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AbstractWilliam Levi Dawson (1899–1990) is remembered chiefly for his masterful choral arrangements of Negro spirituals and for his multi-decade leadership of the Tuskegee Institute Choir. In 1934, however, his career seemed to be headed in a very different direction: Leopold Stokowski programmed Dawson's Negro Folk Symphony on four Philadelphia Orchestra concerts that met with acclaim from critics and audiences alike. The broadcast of one of these concerts on the Columbia Broadcasting System had a particularly powerful impact on the many African Americans in the radio audience. Materials in the William Levi Dawson Collection at Emory University illuminate both the momentousness of the symphony's debut and its provocatively minor impact on the trajectory of its composer's career. This article examines the premiere of the Negro Folk Symphony as a groundbreaking event both public and personal, offers an explanation for the symphony's startlingly rapid descent into obscurity, and argues that this effective and fascinating work merits renewed attention from conductors and scholars today.
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Charland, Anne, Don Francis, and John Ludden. "Stratigraphy and geochemistry of the Itcha Volcanic Complex, central British Columbia." Canadian Journal of Earth Sciences 30, no. 1 (January 1, 1993): 132–44. http://dx.doi.org/10.1139/e93-013.
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The Itcha Volcanic Complex is the youngest and easternmost felsic shield volcano of the Anahim Volcanic Belt of central British Columbia. The main body of the shield erupted over an area of ~300 km2 forming Itcha Mountain and Mount Downton. Volcanism associated with the Itcha Shield extended 20 km south to the Satah Mountain area, where lavas erupted along a north-northwest – south-southeast fault system and covered an additional area of 250 km2. The Itcha Volcanic Complex is characterized by a bimodal population of volcanic rocks, which are dominated by felsic lavas. There were two stages of volcanism: (i) an early felsic shield-building stage dominated by felsic lavas ranging in composition from phonolite to minor quartz-normative trachytes, which erupted as flows, domes, and pyroclastic deposits to form a low-angled shield; and (ii) a late mafic capping stage, which comprises a thin veneer of hawaiite and more primitive mafic lavas ranging in composition from alkali olivine basalt to basanite. The late mafic capping stage lavas erupted from satellite cinder cones and fissures concentrated on the eastern side of the shield.The hawaiites that dominate the late mafic capping stage cannot have been derived from the more primitive basalts with which they are associated by low-pressure crystal fractionation but may instead have originated from the fractionation of a clinopyroxene-dominated assemblage at high pressures. The presence of mafic xenocrysts in a megacrystic trachyte unit, whose eruption terminated the felsic shield-building stage, and anorthoclase xenocrysts in the most evolved alkali olivine basalts of the mafic capping stage indicate that the mafic and the felsic magmas interacted prior to eruption. An overlap in 87Sr/86Sr ratios and a similarity in the high-field-strength element ratios of the felsic and the mafic lavas suggest that they are genetically related. Elevated ratios of large-ion lithophile elements to high-field-strength elements (e.g., Rb/Zr) in the trachytes, however, indicates that the felsic magmas were not derived by closed-system fractional crystallization from the mafic magmas and may instead suggest the assimilation of a crustal component.
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Trytten, Cindy, Martin Wale, Michael Hayes, and Bev Holmes. "Lessons learned from a health authority research capacity-building initiative." Healthcare Management Forum 32, no. 5 (July 11, 2019): 259–65. http://dx.doi.org/10.1177/0840470419849468.
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Health systems worldwide are under pressure to deliver better care to more people with increasingly complex needs within constrained budgets. Research capacity building has been shown to help alleviate these challenges and is underway at hospitals and health authorities across the country; however, approaches vary widely and little exists in the Canadian literature to share experience and best practices. This article describes how a health authority in British Columbia, Canada, implemented and evaluated a 5-year research capacity-building program in partnership with a provincial health research funder. We offer lessons learned for those leading similar innovation-focused change management initiatives, including vision and buy in, complexity thinking, infrastructure, leadership, and coalition development. We suggest that collective learning and building a more robust research capacity-building literature can help health organizations and their partners take significant steps toward integrating research and care for a more effective, efficient, and patient-centred health system.
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Bar, Sherry, Kristen Grant, Sirisha Asuri, and Shannon Holms. "British Columbia Ministry of Health Patients as Partners: A transformational approach." Healthcare Management Forum 31, no. 2 (February 6, 2018): 51–56. http://dx.doi.org/10.1177/0840470417744569.
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Patients as Partners is a quality improvement initiative of the British Columbia Ministry of Health (the Ministry) that aims to bring patient voice, choice, and representation to the forefront of healthcare through collaboration with patients, families, non-governmental organizations, funded partners, regional health authorities, and healthcare providers. A spectrum of patient engagement activities, including capacity building and self-management support, occur through partnerships at the individual patient and provider, community, and system levels. These activities ensure patient priorities are identified and embed a patient-centred care approach into provincial policies and projects. Multi-/interdisciplinary collaborations in the healthcare sector occur through participation in working groups, advisory committees, and engagement events. Ongoing improvements include enhancing measurement strategies and leveraging opportunities around gaps. The Ministry was honoured with the International Association of Public Participation Award as the 2016 Canadian Organization of the Year in recognition of improving healthcare through patient and public education.
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Maulana, M. F., T. G. Pin, and A. Wibowo. "Spatial pattern of propagation digital terrestrial television system in east jakarta city." IOP Conference Series: Earth and Environmental Science 1089, no. 1 (November 1, 2022): 012028. http://dx.doi.org/10.1088/1755-1315/1089/1/012028.
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Abstract Development of television has gone into terrestrial digital systems that have many advantages over previous (analogue) systems. The nature of radio waves for digital terrestrial television broadcasting that propagates or propagation causes reflection and diffraction due to disturbances or barriers in the form of tall buildings and trees. The purpose of this research is to analyze propagation patterns of digital terrestrial television systems and the effect of physical conditions on the propagation value of digital terrestrial television systems. The variable is land cover, relief, slope direction, distance from transmitter, height, and building height barrier. The method uses spatial analysis within grid analysis and correlation analysis. The results of this study showed that the propagation pattern of digital terrestrial television systems spread randomly to the moderate signal in the central and northeast of East Jakarta city and clustered for a bad signal in the north and northwest areas of East Jakarta city and good signal in the southern region of East Jakarta city. Based on correlation analysis, the propagation pattern of digital terrestrial television systems influenced by the physical condition of the region from variable height and height barriers of buildings.
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White, Timothy, and Carlos E. Ventura. "Ground motion sensitivity of a Vancouver-style high rise." Canadian Journal of Civil Engineering 31, no. 2 (February 1, 2004): 292–307. http://dx.doi.org/10.1139/l03-102.
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The purpose of the study discussed in this paper is to evaluate the seismic response of a modern building, designed according to the current building code and to extreme earthquake earthquakes from two different source mechanisms. To this end, a three-dimensional nonlinear dynamic response of a reinforced concrete high-rise building, typical of the type built in Vancouver, British Columbia, is investigated. According to current design practice, the building has been designed to resist lateral loads with a coupled shearwall system. A comparison of the responses of the building to crustal and subduction type earthquakes of similar magnitudes is presented and discussed. The ground motion records selected for this study were derived from recorded crustal and subduction events, which are both considered to be extreme, and beyond the code-based design requirements of the building. A part of this study includes an evaluation of how the dynamic properties of the building change as the building is being damaged by severe ground shaking. The results of the study show that the crustal earthquake imposes large upper levels displacements, and much plastic hinging near the base because the response of the building is governed mainly by the first mode of the "undamaged" system. The subduction earthquake results in displacements smaller than those from the crustal event and causes plastic hinging at mid-height and near the base as well as large torsional rotations, because the behaviour of the building is greatly influenced by the second mode of the "damaged" system.Key words: nonlinear dynamic analysis, seismic, high rise, reinforced concrete, coupled shearwall.
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Ferreira-Rosa, Ismael. "Língua, sujeito e identidade: algumas problematizações sobre a (des)constituição dos sujeitos-aprendentes no processo de ensino-aprendizagem de uma língua estrangeira." Domínios de Lingu@gem 7, no. 1 (June 30, 2013): 55. http://dx.doi.org/10.14393/dl13-v7n1a2013-4.
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Este trabalho tem por objetivo, a partir da discursividade instaurada no episódio “Cidadania dupla” (Duel Citizenship) do seriado americano “Como eu conheci sua mãe” (How I met your mother) da grande rede de televisão estadunidense Columbia Broadcasting System (CBS), exibido no dia 19 de outubro de 2009, apresentar uma discussão de cunho mais teórico sobre os conflitos e embates nos espaços de ensino-aprendizagem de uma língua estrangeira. Tem-se por escopo problematizar que possivelmente os malogros que enfrentamos em uma sala de aula de língua estrangeira, antes de ser uma questão eminentemente metodológica e de escolhas didáticas, é uma questão que perpassa a (des)constituição subjetiva dos alunos frente à língua aprendida e ensinada. Uma questão marcada por conflitos e embates que merece algumas considerações. Para tanto, inscrito nos espaços analíticos da Linguística Aplicada, embasado nos pressupostos da teoria discursiva pecheutiana, nos estudos bakhtinianos acerca de língua e sujeito, e nas problematizações pós-culturalistas de identidade (HALL, 2006; BAUMAN, 2005), empreende-se ao propósito, observando o tripé língua, sujeito e identidade, enquanto um espaço confluente no processo de ensino e aprendizagem de uma LE, em cujo ínterim se estabelecem relações de (des)identificações, produzindo subjetividades.
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Ventura, Carlos E., and Norman D. Schuster. "Structural dynamic properties of a reinforced concrete high-rise building during construction." Canadian Journal of Civil Engineering 23, no. 4 (August 1, 1996): 950–72. http://dx.doi.org/10.1139/l96-901.
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This paper presents the results of a study on the variability of the dynamic properties of an irregular high-rise building during its construction. Most of the knowledge about structural dynamics of high-rise reinforced concrete buildings is based on uniform structures. Hence, there is concern about extrapolating this knowledge to the behaviour of nonuniform building that emerge from current architectural trends. A clear example of these trends is the building selected for this study. This 30-storey reinforced concrete building is representative of the type of current construction in Vancouver, British Columbia. The lateral force resisting system in this structure is uniform in plan and elevation, while the distribution of storey mass is asymmetrical owing to its geometry as well as a major setback at one corner. Dynamic characteristics were determined by analyzing ambient vibrations of the structure. The objectives of this study included determining natural frequencies and corresponding mode shapes, determining the effect of architectural components, assessing base motion, and assessing the manner of the core's deformation. In addition, a three-dimensional dynamic analysis was performed to assess the accuracy of modeling techniques. Finally, base shears and overturning moments during different stages of construction were assessed in accordance with current building codes. Key words: structural dynamics, ambient vibration measurements, earthquakes, building construction, mode shapes and frequencies.
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Skulmovskaya, Lubov G., Lyudmila Y. Antonova, and Olga S. Kudinova. "Building an Information and Communication Culture in the Modern Digital Environment." Koinon 2, no. 2 (2021): 69–83. http://dx.doi.org/10.15826/koinon.2021.02.2.016.
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The study explores the problems of forming an information and communication culture in a modern digital environment. In the context of the concept of the information society, the paper considers the characteristics of various types of culture functioning in the contemporary digital environment: information, electronic, screen, Internet culture. It also reveals their typical features and distinctive features. Information culture is a type of culture that includes a system of views, ethical attitudes, rules and norms, based on information as value, and material media — means of transmission (press, radio, telephony, television and the Internet). As a synonym to “information culture,” the concept of “electronic culture” is often used. Its fundamental feature is virtual electronic platforms broadcasting cultural achievements. Screen culture is considered a kind of product of the information era, formed during the collision of a person with screen display media and inseparably associated with technological progress. Internet culture can become a particular type of culture, which includes the use of the Web as a platform for realizing the needs of communication and self-expression, developing creativity through the creation, use, transformation of virtual objects, often similar to real ones, but with a special, unique appearance. The work identified components of information culture, analyzed its interpretations within the framework of cultural, information, activity and personal approaches. In the study of electronic, screen and Internet culture, there are also several scientific approaches: cultural, philological, philosophical, psychological. The authors indicate that at this stage of the development of society, there is a formation of a new social type of person (“information”) and the nature of social relations. The authors considered the phenomenon of information and communication culture as a component of the information society and examined its formation in the digital environment using areas of education and culture as an example.
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Ebinghaus, Alena, Ross Taylor, Aaron Barker, Adrian J. Hartley, David W. Jolley, and Malcolm J. Hole. "Development of inter-lava drainage systems in LIPs: The Columbia River Flood Basalt Province (U.S.A.) as a case study." Journal of Sedimentary Research 90, no. 10 (October 1, 2020): 1346–69. http://dx.doi.org/10.2110/jsr.2020.64.
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ABSTRACT Volcanism in large igneous provinces (LIPs) is understood to have had the potential to affect global environments and ecosystems, triggering mass extinctions, climate change, and ocean acidification. However, basin-scale studies sediment distribution and sedimentary-system development in LIP lava fields are sparse and often limited to localized exposure. To gain a better understanding of the controls on inter-lava sedimentology across a continental LIP, a new sedimentological data set is presented from the Miocene Columbia River Flood Basalt Province (CRBP), situated in the Columbia Basin in south-central Washington State, northeast Oregon and eastern Idaho. Based on the qualification and quantification of sedimentary facies, petrography, paleoflow, channel dimensions, and catchment size from 96 sites across the Columbia Basin, a refined model of regional and local environmental change, integrating local volcanic and tectonic evolution, is presented. Here, CRBP stratigraphy is divided into six distinctive sedimentation intervals, which allows correlation of sedimentary interbeds formed in the western part and in the eastern part of the basin. The model describes and reviews drainage-system development and discusses the control of volcanic and tectonic activity on sediment distribution in the CRBP lava field at local to basin scale. The data presented here largely support findings of previous works suggesting a highly complex interplay between sedimentary, volcanic, and tectonic evolution of the area. In addition, it elaborates on the aspects of sediment–lava interaction and indicates that individual sub-basins in the CRBP formed separated depositional settings, emphasizing the lateral complexity of inter-lava sedimentation. Importantly, this work improves our understanding of sediment–lava relationships in continental LIPs and helps in building more generic models for sediment distribution in volcanic terranes where exposure is limited or absent.
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Ceccotti, Ario, and Erol Karacabeyli. "Validation of seismic design parameters for wood-frame shearwall systems." Canadian Journal of Civil Engineering 29, no. 3 (June 1, 2002): 484–98. http://dx.doi.org/10.1139/l02-026.
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A methodology for assessment of seismic design parameters for a wood-frame shearwall system is developed, consisting of a test program of shearwalls and the application of nonlinear time history analyses to a four-storey wood-frame building that was designed to resist the seismic requirements for Vancouver, British Columbia. Analyses employed 22 selected earthquake accelerograms that were scaled upwards until an ultimate peak ground acceleration (Au) was reached where the shearwall reached a "near-collapse" state. The 22 values of Au were found to be greater than the "design" peak ground acceleration, indicating the adequacy of the current design procedures for the particular shearwalls investigated. The influence of gypsum wallboard on the behaviour of the shearwalls was also evaluated, and a new force modification factor "R" for walls composed of a mixture of wood-based and gypsum panels was proposed. The effect of flexibility of floor diaphragms was considered separately for a symmetric building and was found to have 5-30% reduction on the Au values obtained for the rigid diaphragm case.Key words: seismic design, earthquake loads, timber structures, wood shearwalls.
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Alamleh, Hosam, and Ali Abdullah S. AlQahtani. "A weighting system to build physical layer measurements maps by crowdsourcing data from smartphones." IAES International Journal of Robotics and Automation (IJRA) 9, no. 3 (September 1, 2020): 211. http://dx.doi.org/10.11591/ijra.v9i3.pp211-219.
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<p>Mobile devices can sense different types of radio signals. For example, broadcast signals. These broadcasted signals allow the device to establish a connection to the access point broadcasting it. Moreover, mobile devices can record different physical layer measurements. These measurements are an indication of the service quality at the point they were collected. These measurements data can be aggregated to form physical layer measurement maps. These maps are useful for several applications such as location fixing, navigation, access control, and evaluating network coverage and performance. Crowdsourcing can be an efficient way to create such maps. However, users in a crowdsourcing application tend to have different devices with different capabilities, which might impact the overall accuracy of the generated maps. In this paper, we propose a method to build physical layer measurements maps by crowdsourcing physical layer measurements, GPS locations, from participating mobile devices. The proposed system gives different weights to each data point provided by the participating devices based on the data source’s trustworthiness. Our tests showed that the different models of mobile devices return GPS location with different location accuracies. Consequently, when building the physical layer measurements maps our algorithm assigns a higher weight to data points coming from devices with higher GPS location accuracy. This allows accommodating a wide range of mobile devices with different capabilities in crowdsourcing applications. An experiment and a simulation were performed to test the proposed method. The results showed improvement in crowdsourced map accuracy when the proposed method is implemented.</p>
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Kharrazi, Mehdi H. K., Salah Eldeib, and Helmut G. L. Prion. "Experimental evaluation of an orthotropic, monolithic, modular wooden-dome structural system." Canadian Journal of Civil Engineering 35, no. 10 (October 2008): 1163–76. http://dx.doi.org/10.1139/l08-060.
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Canadian Wooden Dome (CWD) is an innovative orthotropic, monolithic modular sectional building system. The main frame of these structures is built using mill trim ends that are normally chipped or used for finger-jointing. The structure, in comparison to conventional wood-frame single-family housing, has a rapid manufacturing process, and quick, on-site assembly attempts to reduce overall construction time. Presented with these advantages and the uniqueness of the wooden-dome system, a technical study was initiated to investigate the structural performance of the modular wooden dome in earthquake-prone areas and to examine its load resistance to heavy snow. This paper describes the results from a series of static and dynamic load tests conducted on the CWD as part of this study. The test results generally indicated that based on the structural performance of the CWD under static and dynamic loads, the CWD could be an alternative to the conventional wood-frame construction system. The test results are then compared with those obtained from the tests conducted on conventional single-family wood-frame houses as part of the Earthquake 99 (EQ-99) Woodframe House Project at The University of British Columbia. The seismic performance of the CWD was superior to that of the nonengineered housing system and comparable to that of the engineered wood-frame housing system.
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Goyvaerts, Peter. "Beeldvorming van het politieke bedrijf via de openbare omroep : Inhoudsanalyse van de politieke verslaggeving in het BRTn-televisie journaal in de periode 1982-1991." Res Publica 35, no. 2 (June 30, 1993): 167–82. http://dx.doi.org/10.21825/rp.v35i2.18799.
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The image-building of the political system through the public broadcasting corporation BRTn is analysed on the base of a content analysis of the political information in the television news during the period 1982-1991. The study shows that political coverage in the public television news is subject to actualisation, fragmentation, personifying, dramatisation and the introduction of entertainment-techniques. Political items are transferred to the back of the newsbroadcast and there is less room for interpretation of the facts. Journalists point out that the attention for politics has diminished because the audience is less interested. However it is very likely that this is the result of the fact that the audience is uniformed because of the lack of information. In that way we enter a vicious circle that can only be broken through the media themselves. In order to achieve this, television shoud bring more interpretation and explanation of the facts. A parliamentary feature, incorporated in a current alfairs programme could attribute to this, but can do no miracles when commercial tendencies become stronger in the news itself.
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Han, Haoyang, Jundong Zhang, and Ruizheng Jiang. "Feature Design Assessment of the Ship Fire Alarm System." Scientific Programming 2021 (July 23, 2021): 1–12. http://dx.doi.org/10.1155/2021/3934428.
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Damages and misfortunes caused by fire on ships have recently accelerated the creation of new approaches, development, and building the security and unchanging quality of the fire detection framework. Simultaneously, with the growing interest in better early fire detection and prevention, numerous frameworks are being created for the detection of progress, with control calculations having the task of carefully preparing and identifying true/false signals from fire or flames or the true alarm from false alarms. By utilizing the assistance provided by innovation, transport owners are more likely to service groups and fleets of ships and reduce potential fire accident costs. This article provides an overview of recent methodologies and technology for early detection of ship fires, as well as an enhanced approach for evaluating the Human-Machine-Interface (HMI) function of an alarming ship using a machine operating simulator called DMS-2017B. The DMS-2017B machinery operation simulator can unify the noise environment to avoid the influence of environmental differences on cabin experimental results. Compared to conventional Binomial Testing, a ship simulator coupled with the theory of affordance that provides a more realistic and operable way to assess the feature design of ship fire alarm and the threshold of some influence factors can also be used. According to the quantitative analysis of experimental results based on the ordered logit model, the function of the ship fire alarm would be improved significantly by adding recorded broadcasting and replacing static symbols with flashing symbols. Increasing sound pressure is also an effective way of doing this, but an auditory threshold is present. Above 75 dB, this effect will fade down, along with noise pollution. However, the effect difference between continuous alarm and square wave pulse alarm is negligible. The conclusion can provide some guidance for the design of a ship fire alarm. An appropriate design is expected to facilitate the efficiency of handling accidents and guiding evacuation.
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Westrom, Ryan, Stephanie Dock, Jamie Henson, Mackenzie Watten, Anjuli Bakhru, Matthew Ridgway, Jennifer Ziebarth, et al. "Multimodal Trip Generation Model to Assess Travel Impacts of Urban Developments in the District of Columbia." Transportation Research Record: Journal of the Transportation Research Board 2668, no. 1 (January 2017): 29–37. http://dx.doi.org/10.3141/2668-04.
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The research effort described in this paper aims to develop a state-of-the-practice methodology for estimating urban trip generation from mixed-use developments. The District Department of Transportation’s initiative focused on ( a) developing and testing a data collection methodology, ( b) collecting local data to complement the ITE’s national data in trip rate estimation, and ( c) developing a model–tool that incorporates contextual factors identified as affecting overall trip rate as well as trip rate by mode. The final model accurately predicts total person trips and mode choice. The full set of models achieves better statistical performance in relation to average model error and goodness of fit than either ITE rates alone or other existing research. The model includes sensitivity to local environment and on-site components. The model advances site-level trip generation research in two major ways: first, it calculates total person trips independent of mode choice; second, it calculates mode choice with sensitivity to the amount of parking provided on site—a major finding in the connection between parking provision and travel behavior at a local-site level. The methodology allows agencies to improve their assessment of expected trips from proposed buildings and therefore the level of impact a planned building may have on the transportation system.
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Markham, Ray, Megan Hunt, Robert Woollard, Nelly Oelke, David Snadden, Roger Strasser, Georgia Betkus, and Scott Graham. "Addressing rural and Indigenous health inequities in Canada through socially accountable health partnerships." BMJ Open 11, no. 11 (November 2021): e048053. http://dx.doi.org/10.1136/bmjopen-2020-048053.
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BackgroundThere are few examples of the practical application of the concepts of social accountability, as defined by the World Bank and WHO, to health system change. This paper describes a robust approach led by First Nations Health Authority and the Rural Coordination Centre of British Columbia. This was achieved using partnerships in British Columbia, Canada, where the health system features inequities in service and outcomes for rural and Indigenous populations. Social accountability is achieved when all stakeholders come together simultaneously as partners and agree on a path forward. This approach has enabled socially accountable healthcare, effecting change in the healthcare system by addressing the needs of the population.InnovationOur innovative approach uses social accountability engagement to counteract persistent health inequities. This involves an adaptation of the Boelen Health Partnership model (policymakers, health administrators, health professionals, academics and community members) extended by addition of linked sectors (eg, industry and not-for-profits) to the ‘Partnership Pentagram Plus’. We used appreciative inquiry and deliberative dialogue focused on the rural scale and integrating Indigenous ways of knowing along with western scientific traditions (‘two-eyed seeing’). Using this approach, partners are brought together to identify common interests and direction as a learning community. Equitable engagement and provision of space as ‘peers’ and ‘partners’ were key to this process. Groups with varying perspectives came together to create solutions, building on existing strengths and new collaborative approaches to address specific issues in the community and health services delivery. A resulting provincial table reflecting the Pentagram Plus model has fostered policies and practices over the last 3 years that have resulted in meaningful collaborations for health service change.ConclusionThis paper presents the application of the ‘Partnership Pentagram Plus’ approach and uses appreciative inquiry and deliberative dialogue to bring about practical and positive change to rural and Indigenous communities.
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Skourtes, Stephanie, Kyla Brophy, and Eva Moore. "Evaluation of a Health Navigator Pilot Program for Youth in Foster Care." Journal of Youth Development 17, no. 1 (March 28, 2022): 126–57. http://dx.doi.org/10.5195/jyd.2022.1103.
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The Health Navigator Program (HNP) was a pilot health mentor intervention program for youth in British Columbia, Canada, with connections to the provincial child welfare system. In this article, youth participants are referred to as “independent youth” as they are independent of traditional familial care. Children and youth in the foster care system face increased prevalence and risk of physical and mental health challenges with lasting implications throughout adulthood. The cumulative effect of childhood trauma, lack of connections to supportive adults, and structural obstacles such as poverty, racism, and sexism all contribute to creating significant barriers for independent youth navigating the health care system. The HNP was created to address these obstacles and facilitate improved health outcomes for independent youth. Youth from 2 program sites were paired with medical student volunteers who provided advocacy and mentorship. A qualitative process evaluation was undertaken to assess the effectiveness of the HNP in achieving the intended program outcomes. Findings revealed that the independent youth participants increased awareness of their own health needs, gained confidence in navigating the health care system, and had improved short-term health outcomes. Relationship building with a caring adult, outside of a paid professional role, was shown to be the most significant factor in achieving these positive outcomes.
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Sohal, Manreet, Salil Bharany, Sandeep Sharma, Mashael S. Maashi, and Mohammed Aljebreen. "A Hybrid Multi-Cloud Framework Using the IBBE Key Management System for Securing Data Storage." Sustainability 14, no. 20 (October 20, 2022): 13561. http://dx.doi.org/10.3390/su142013561.
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Information storage and access in multi-cloud environments have become quite prevalent. In this paper, a multi-cloud framework is presented that secures users’ data. The primary goal of this framework is to secure users’ data from untrusted Cloud Service Providers (CSPs). They can collude with other malicious users and can hand over users’ data to these malicious users for their beneficial interests. In order to achieve this goal, the data are split into parts, and then each part is encrypted and uploaded to a different cloud. Therefore, client-side cryptography is used in this framework. For encrypting users’ data, the BDNA encryption technique is used. This framework presents a hybrid cryptographic approach that uses Identity-based Broadcast Encryption (IBBE) for managing the keys of the symmetric key algorithm (BDNA) by encrypting them with the particular version of IBBE. The work presented in this research paper is the first practical implementation of IBBE for securing encryption keys. Earlier, IBBE was only used for securely broadcasting data across many users over a network. The security of this hybrid scheme was proved through Indistinguishable Chosen-Ciphertext Attacks. This double encryption process makes the framework secure against all insiders and malicious users’ attacks. The proposed framework was implemented as a web application, and real-time storage clouds were used for storing the data. The workflow of the proposed framework is presented through screenshots of different working modules.
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Kornelsen, Jude, Daria Nowaczek, Robin Johnson, Mona Mattei, and Shiraz Moola. "Care providers’ experiences with and attitudes towards virtual antenatal care: Findings from a qualitative study in British Columbia." DIGITAL HEALTH 8 (January 2022): 205520762211314. http://dx.doi.org/10.1177/20552076221131458.
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Background Virtual care has emerged as an adjunctive response to challenges in rural health care, including maternity care, and use has accelerated during the coronavirus disease 2019 (COVID-19) pandemic. This gives rise to the need for a strategic plan for post-COVID-19 virtual maternity care in rural communities. To date, no provincial initiative has focused on understanding and documenting the needs of maternity care practitioners to provide virtual care. Methods Qualitative study, including virtual interviews and focus groups with rural primary maternity care providers and urban and rural specialists on perceptions of the utility of virtual maternity care pre- and post-COVID-19, and benefits and barriers of virtual care. Data were thematically analysed. Results In total, 82 health care providers participated in the study. Health care provider responses fell into three categories: Attributes of virtual care, barriers to virtual care and system interventions needed to optimize the provision of virtual perinatal care. Participants expressed a desire for use of virtual communication tools post-COVID-19, continued ability to use fee codes for virtual care and a need for more secure texting options. The benefits of tripartite consultations were noted by many participants; impacts of the transition to virtual care included additional workload and interrupted workflow. Concerns over the lack of physical examinations and challenges in building relationships with patients when providing virtual care were frequently noted. Conclusion Adapting the current implementation of virtual maternity care in British Columbia may be enhanced through several provider- and evidence-derived strategies, many of which are currently underway in BC. The results from this provincial survey will be used to focus further discussion on the characteristics of an optimal system to meet patient and provider needs within a rural context.
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Pedram, Shahrzad, and Fitsum Tariku. "Moisture Buffering Effect of Gypsum Board in a Marine Climate: A Field Experimental Study." Advanced Materials Research 1051 (October 2014): 763–73. http://dx.doi.org/10.4028/www.scientific.net/amr.1051.763.
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Durability, acceptable indoor air quality, energy efficiency and aesthetics are all pillars of good design in healthy buildings. A new approach for optimizing all four of these pillars is whole-building performance design. This approach involves the consideration of heat, air and moisture (HAM) transfer and control of a building, specifically, how the coupled relations between different transient systems (mechanical system, building envelope, indoor environment, outdoor environment, and occupants) affect the building performance and operation. Ventilation is one of the means of controlling indoor humidity in buildings. Its effectiveness depends on the supply air moisture level and the ventilation rate. The drier the supply air is, the higher its capacity to remove indoor humidity. In a marine climate where the outdoor air is relatively moist, higher ventilation rate is required to achieve the same level of indoor humidity in a cold and dry climate. In this study, the potential benefit of interior gypsum finishing in lowering indoor humidity peaks, through the moisture buffering process, and thereby reducing ventilation rates are investigated. A field experimental study is conducted using two identical test facilities at the Whole Building Performance Research Laboratory in Burnaby, British Columbia to test this hypothesis in a marine climate. Initial benchmarking of the recently commissioned test buildings was undertaken to ensure they behaved similarly under identical conditions. Each building was outfitted with an occupant simulator unit, which provided the humidification that would be produced by occupants. The occupants simulators were programmed based on moisture production data analysis from a real high-occupancy apartment suite, to provide two different moisture generation profiles representing typical and high intensities, scaled down to the size of the test buildings. Following benchmarking, three tests were conducted to evaluate the effect of ventilation rate, moisture generation intensity, and moisture buffering ability of finishing surfaces on indoor moisture levels. Preliminary experimental test results are presented. Future tests will be undertaken to consider other factors such as indoor air quality based on carbon dioxide concentration, heating and ventilation energy consumption, and alternative finishing materials.
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Morozevich, Ekaterina S., Yevgeniya A. Kuznetsova, Anna S. Kubrikova, Nataliya S. Livak, and Alexander I. Makarov. "Employee’s Competence Profile for Adaptive Organization Management." Organizacija 55, no. 1 (February 1, 2022): 3–16. http://dx.doi.org/10.2478/orga-2022-0001.
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Abstract Background and purpose: Employees with their knowledge, skills and values are a connecting link between the deep organizational transformations and new technologies. In this regard, the human resource management system needs new approaches and tools for the diagnostics, training and personnel development based on the synchronization of the organization and the employee’s values. The study aim is to develop a comprehensive methodology for building an employee’s soft skills profile in order to form personalized educational trajectory and an adaptive management system creation. Methodology: An approach to the soft skills profile’s formation through broadcasting of the description of personality’s behavioral indicators into actual supra-professional competencies is considered. Modeling and automation of the employee profile’s soft skills was carried out. Statistical observation and empirical confirmation were used to evaluate the developed methodology. 115 respondents from different fields of science and technology from Reshetnev University took part in the diagnostic. Results: The results show that the proposed complex automated personality diagnostics is valid. And it allows you to visualize the soft skills profile, determine the level of competencies’ expression and identify the directions of the employee’s individual development. Conclusion: The study offers a comprehensive integrated methodology which allows you to assess the formation level of representatives’ soft skills of various fields of activity. This development can be used both in the educational environment to form an education ecosystem in accordance with the requirements of the innovative economy development and in the enterprise management system to increase the production potential of both employees themselves and enterprises.
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Murashova, L. P. "MODERN INFORMATION TECHNOLOGIES IN THE TEACHING OF ECONOMIC DISCOURSE TRANSLATION." Scientific bulletin of the Southern Institute of Management, no. 2 (June 30, 2017): 69–73. http://dx.doi.org/10.31775/2305-3100-2017-2-69-73.
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This article analyzes the role of modern information technologies in the professional training of translators. The article also describes the main stages of the training of translators. The main stages are the following: a professionally oriented stage; analytical stage; synthesizing stage; correction stage. In addition, the text emphasizes the role of the usage of modern information technologies at each stage, as well as describes ways to use it. The main task of the first stage is the formation of motivating goals. The second stage is aimed at creating an understanding of the translation specifics. The third stage involves the process of translation using electronic dictionaries, translators and Internet resources. The last step in the work of an interpreter is to correct the translated text using available technological resources. The article also considers the main types of modern information and communication technologies used in the teaching of foreign languages and the possibility of their usage in the teaching of economic discourse translation: Wiki-technology (the technology of building), blog (service that allows you to keep a personal diary), broadcasting (original audio or video recordings of lectures), linguistic corpus (a system of texts in electronic form), as well as their didactic potential.
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Ohki, S., T. Irie, M. Inoue, K. Shinmen, H. Kawahata, T. Nakamura, A. Kato, et al. "Calcification responses of symbiotic and aposymbiotic corals to near-future levels of ocean acidification." Biogeosciences 10, no. 11 (November 1, 2013): 6807–14. http://dx.doi.org/10.5194/bg-10-6807-2013.
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Abstract. Increasing the acidity of ocean waters will directly threaten calcifying marine organisms such as reef-building scleractinian corals, and the myriad of species that rely on corals for protection and sustenance. Ocean pH has already decreased by around 0.1 pH units since the beginning of the industrial revolution, and is expected to decrease by another 0.2–0.4 pH units by 2100. This study mimicked the pre-industrial, present, and near-future levels of pCO2 using a precise control system (± 5% pCO2), to assess the impact of ocean acidification on the calcification of recently settled primary polyps of Acropora digitifera, both with and without symbionts, and adult fragments with symbionts. The increase in pCO2 of ~100 μatm between the pre-industrial period and the present had more effect on the calcification rate of adult A. digitifera than the anticipated future increases of several hundreds of micro-atmospheres of pCO2. The primary polyps with symbionts showed higher calcification rates than primary polyps without symbionts, suggesting that: (i) primary polyps housing symbionts are more tolerant to near-future ocean acidification than organisms without symbionts, and (ii) corals acquiring symbionts from the environment (i.e., broadcasting species) will be more vulnerable to ocean acidification than corals that maternally acquire symbionts.
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Ohki, S., T. Irie, M. Inoue, K. Shinmen, H. Kawahata, T. Nakamura, A. Kato, et al. "Symbiosis increases coral tolerance to ocean acidification." Biogeosciences Discussions 10, no. 4 (April 19, 2013): 7013–30. http://dx.doi.org/10.5194/bgd-10-7013-2013.
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Abstract. Increasing the acidity of ocean waters will directly threaten calcifying marine organisms such as reef-building scleractinian corals, and the myriad of species that rely on corals for protection and sustenance. Ocean pH has already decreased by around 0.1 pH units since the beginning of the industrial revolution, and is expected to decrease by another 0.2–0.4 pH units by 2100. This study mimicked the pre-industrial, present, and near-future levels of pCO2 using a precise control system (&pm;5% pCO2), to assess the impact of ocean acidification on the calcification of recently-settled primary polyps of Acropora digitifera, both with and without symbionts, and adult fragments with symbionts. The increase in pCO2 of 100 μatm between the pre-industrial period and the present had more effect on the calcification rate of adult A. digitifera than the anticipated future increases of several hundreds of micro-atmospheres of pCO2. The primary polyps with symbionts showed higher calcification rates than primary polyps without symbionts, suggesting that (i) primary polyps housing symbionts are more tolerant to near-future ocean acidification than organisms without symbionts, and (ii) corals acquiring symbionts from the environment (i.e. broadcasting species) will be more vulnerable to ocean acidification than corals that maternally acquire symbionts.
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Johnston, Campbell Stuart, Erika Belanger, Krystal Wong, and David Snadden. "How can rural community-engaged health services planning achieve sustainable healthcare system changes?" BMJ Open 11, no. 10 (October 2021): e047165. http://dx.doi.org/10.1136/bmjopen-2020-047165.
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ObjectivesThe objectives of the Rural Site Visit Project (SV Project) were to develop a successful model for engaging all 201 communities in rural British Columbia, Canada, build relationships and gather data about community healthcare issues to help modify existing rural healthcare programs and inform government rural healthcare policy.DesignAn adapted version of Boelen’s health partnership model was used to identify each community’s Health Care Partners: health providers, academics, policy makers, health managers, community representatives and linked sectors. Qualitative data were gathered using a semistructured interview guide. Major themes were identified through content analysis, and this information was fed back to government and interviewees in reports every 6 months.SettingThe 107 communities visited thus far have healthcare services that range from hospitals with surgical programs to remote communities with no medical services at all. The majority have access to local primary care.ParticipantsParticipants were recruited from the Health Care Partner groups identified above using purposeful and snowball sampling.Primary and secondary outcome measuresA successful process was developed to engage rural communities in identifying their healthcare priorities, while simultaneously building and strengthening relationships. The qualitative data were analysed from 185 meetings in 80 communities and shared with policy makers at governmental and community levels.Results36 themes have been identified and three overarching themes that interconnect all the interviews, namely Relationships, Autonomy and Change Over Time, are discussed.ConclusionThe SV Project appears to be unique in that it is physician led, prioritises relationships, engages all of the healthcare partners singly and jointly in each community, is ongoing, provides feedback to both the policy makers and all interviewees on a 6-monthly basis and, by virtue of its large scope, has the ability to produce interim reports that have helped inform system change.
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Elliot, Enid, and Frances Krusekopf. "Growing a Nature Kindergarten That Can Flourish." Australian Journal of Environmental Education 34, no. 2 (July 2018): 115–26. http://dx.doi.org/10.1017/aee.2018.27.
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AbstractGrowing a nature kindergarten that can flourish takes a community, careful planning, and sustained support. In 2011, the Sooke School District in British Columbia, Canada undertook the project of creating a nature kindergarten when outdoor programs of this kind did not exist in the Canadian public school system. Inspired by the well-established forest school and nature preschool models in northern Europe, a program to take 22 kindergarten students outside into nature every morning, regardless of the weather, was developed. This article explores how a unique framework and set of guiding principles were co-created by a diverse advisory committee. It also describes how the hiring, education, and ongoing support of the program's two educators — a kindergarten teacher and an early childhood educator — became critical to its success. The article offers an overview on steps taken, including how the idea was born, working within the public school system, building a framework and principles, hiring and education, preparing the educators, learning from our first year, ongoing support, and remaining questions. The authors’ intention is not to articulate best practices, but to share key aspects of the program's development and implementation phases that allowed the nature kindergarten to thrive over the last 5 years.
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Stiemer, S. F., and B. B. Barwig. "Seismic base isolation for steel structures." Canadian Journal of Civil Engineering 12, no. 1 (March 1, 1985): 73–81. http://dx.doi.org/10.1139/l85-008.
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Base isolation is a strategy for a design of buildings in areas where seismic loads govern. It enables the reduction of earthquake excitation to an acceptable level, without an increase of structural acceleration. This paper presents the results of the experimental investigations of various schemes of first-storey designs for steel buildings with base isolation.A scaled-down steel frame building was used for the shaking table tests, which were conducted in the Earthquake Simulator Laboratory of the University of British Columbia. The base-storey design was altered while the dynamic response of the frame was recorded. The base isolation consisted of steel roller bearings with parallel steel yield rings, to limit excessive displacements and provide wind restraint.The proposed base storey is substantially different from conventional solutions. The variation in the base-storey design was aimed at the elimination of the blind base storey or double foundation in order to increase the economy of the base-isolation system. The experimental tests showed suitable design approaches, and analytical studies to optimize them will follow.It was verified that uncoupling of buildings from the earthquake ground motion is relatively simple to achieve. Certain restraint is required to resist wind and other horizontal loads. This is usually achieved by mechanical fuses or energy absorbers. A solid state energy absorber was used in the described tests. Key words: base-isolation system for buildings, earthquake-resistant steel structures, experimental investigations, retrofit system.
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Wang, Mengdi, Kaixuan Tan, Yongmei Li, Yanshi Xie, Wenzhou Xiao, Yang Xu, and Yunting Tian. "Study on the Sustainable Development of Popular Science Tourism Based on the SWOT Analysis for the Xiangxi UNESCO Global Geopark." Sustainability 15, no. 1 (December 21, 2022): 122. http://dx.doi.org/10.3390/su15010122.
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The Xiangxi UNESCO Global Geopark (XUGG) contained the largest karst red stone forest landscape and the Global Standard Stratotype-section and Points (GSSPs) in the Cambrian System. Those geoheritage contribute to a better understanding of Earth’s evolution. Therefore, it is of great significance to conduct geoscience research and geosciences popularization in the XUGG. In this study, we took the XUGG as the research object, and analyzed the situation of the strengths, weaknesses, opportunities and threats in the development process of geopark popular science tourism by using SWOT analysis method, in order to realize the sustainable development of geoparks in popular science tourism. The results show that: the XUGG continent possesses geoheritage, good facilities and unique advantages of popular science development. In the new era, we should optimize the development of popular science tourism in Geoparks, realize the two-way interactive participation of popular science, explore the community participation model of popular science tourism, and promote the development of rustic areas with unique geological resources. Then, it not only facilitates the broadcasting and popularization of earth sciences, but also contributes to the sustainable development of geotourism.
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D’Amico-Cuthbert, Francesca. "“We Don’t Have Those American Problems”: Anti-Black Practices in Canada’s Rap Music Marketplace, 1985–2020." Canadian Journal of History 56, no. 3 (December 1, 2021): 320–52. http://dx.doi.org/10.3138/cjh.56-3-2021-0106.
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Beginning in the early to mid 1980s, Hip Hop culture appeared on Canadian stages and in homes, even as it was limited in supply on commercial radio and television. Unlike their American counterparts, mainstream Canadian emcees (many of whom were racialized as Black and identified with the city of Toronto) were notably dependent upon personal finances, under-resourced independent record labels, distribution deals, and state and not-for-profit grant monies to subsidize the conceptualization, production, and promotion of their art. Labelled “urban music” in an attempt to spatialize and covertly reference Blackness, Hip Hop in Canada, from the outset, was mapped against, in conflict with, and outside of the national imaginary. While building local scenes, an independent label system, and a cross-Canada college radio, television, and live music infrastructure and audience, Hip Hop artists developed spaces of resistance, circumvented industry-generated obstacles, and defined success on their own terms — all of which suggested that they were not solely at the will of the dominant white music industry. And yet artists simultaneously encountered anti-Black practices that constrained the creation and sustenance of a nationwide Hip Hop infrastructure and denoted an inequitable structuring of support for the arts in Canada. By examining the interface of Blackness, art, and the racial economy of Canada’s creative industries, this article will outline instances of Canada’s anti-Black racism as well as the challenges Hip Hop artists and industry professionals have faced in the areas of recording and label relations, music sales, broadcasting regulations, and the accolade system. These social relations — many of which are rooted in longer histories of race relations and anti-Blackness in Canada — resulted in industry-wide policies, practices, norms, and ideologies that unfairly disadvantaged Black artists and undermined the realization and marketplace potential of a Hip Hop infrastructure within and beyond Canada.
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Baryshev, Ruslan A., Margarita M. Manushkina, Irina A. Tsvetochkina, and Olga I. Babina. "University Library as Knowledge Management Centre." Bibliotekovedenie [Library and Information Science (Russia)] 68, no. 4 (August 27, 2019): 415–27. http://dx.doi.org/10.25281/0869-608x-2019-68-4-415-427.
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The article discusses the transition to a new stage of civilization, the knowledge society. In the modern world, knowledge is one of the major socio-economic resources for both the individual and the state. Accordingly, the educational strategy of any higher educational institution should be refocused to ensure smooth transition from the traditional model to innovative in order to prepare the modern student for a life in the society where innovation and intellectual resources play the major role. The modern library can act as a control centre of knowledge, integrate with the world information resources and mediate for the user in global information space using the tools and mechanisms of the electronic library. In this regard, the e-library becomes a knowledge management centre focused on the development and maximum use of intellectual potential of library for the purpose of preservation, reproduction, building up and broadcasting of knowledge. The article analyses the opportunities which are given by electronic library for the University.The authors constructed the scheme of interrelation of knowledge and information resources. The article considers the concept of proactive electronic library of the University as a system of information service of readers, the main purpose of which is to provide resources in any form and on any carrier using the classical and network forms of services based on the advanced inquiry services. The authors constructed the model of proactive University library, which is a complex system, incorporating elements of various properties and complexity. The proactive electronic library itself searches for information corresponding to the information needs of the user, without waiting for his request; that can influence the development of his information needs. Thus, the library transforms from a passive storage of information into an interaction partner. Information is automatically selected for the user, relevant to his educational and scientific interests, hobbies and preferred leisure.
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Kornelsen, Jude, Brian Geller, Fred Janke, and Stuart Iglesias. "Learners’ experiences of an enhanced surgical skills training program for family physicians." Canadian Medical Education Journal 9, no. 4 (November 13, 2018): e46-58. http://dx.doi.org/10.36834/cmej.43107.
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Background: Family Physicians with Enhanced Surgical Skills (FPESS) have sustained rural operative care, including local access to caesarean section, in many communities across rural Canada and internationally. The contemporary role of FPESS within the health system, however, has not been without challenges. The 12-month Prince Albert Enhanced Surgical Skills (ESS) program intakes two learners a year and is one of only two accredited programs in Canada offering a scope of surgical practice beyond operative delivery.Methods: This paper highlights the results of an evaluation of graduates’ experiences of training and the post-training environment. Graduates were practicing in Western and Northern Canada after completing the ESS training program, specifically in British Columbia, Alberta, Manitoba, and the Northwest Territories.Results: Findings suggest the overall success of the program in meeting learners’ needs. There was a close match between the training curriculum and post-training practice. Conclusion: The findings from the post training experience suggest that sustainability of ESS is linked to 1) creating pathways to privileges between the ESS community and the Health Authorities, 2) building functional and trusting relationships with surgical specialists, and 3) creating a web of accessible effective rurally appropriate surgical Continuing Professional Development (CDP). Ongoing CPD is identified as essential in increasing the comfort of FPESS.
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Medici, Giacomo, and Jeff B. Langman. "Pathways and Estimate of Aquifer Recharge in a Flood Basalt Terrain; A Review from the South Fork Palouse River Basin (Columbia River Plateau, USA)." Sustainability 14, no. 18 (September 9, 2022): 11349. http://dx.doi.org/10.3390/su141811349.
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Aquifer recharge is one of the most important hydrologic parameters for understanding available groundwater volumes and making sustainable the use of natural water by minimizing groundwater mining. In this framework, we reviewed and evaluated the efficacy of multiple methods to determine recharge in a flood basalt terrain that is restrictive to infiltration and percolation. In the South Fork of the Columbia River Plateau, recent research involving hydrologic tracers and groundwater modeling has revealed a snowmelt-dominated system. Here, recharge is occurring along the intersection of mountain-front alluvial systems and the extensive Miocene flood basalt layers that form a fractured basalt and interbedded sediment aquifer system. The most recent groundwater flow model of the basin was based on a large physio-chemical dataset acquired in laterally and vertically distinctive locations that refined the understanding of the intersection of the margin alluvium and the spatially variable basalt flows that filled the basin. Modelled effective recharge of 25 and 105 mm/year appears appropriate for the basin’s plain and the mountain front, respectively. These values refine previous efforts on quantifying aquifer recharge based on Darcy’s law, one-dimensional infiltration, zero-flux plane, chloride, storage, and mass-balance methods. Overall, the combination of isotopic hydrochemical data acquired in three dimensions and flow modelling efforts were needed to simultaneously determine groundwater dynamics, recharge pathways, and appropriate model parameter values in a primarily basalt terrain. This holistic approach to understanding recharge has assisted in conceptualizing the aquifer for resource managers that have struggled to understand aquifer dynamics and sustainable withdrawals.
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Kachlakev, Damian I. "Horsetail Creek Bridge: Design Method Calibration and Experimental Results of Structural Strengthening with CFRP and GFRP Laminates." Advances in Structural Engineering 5, no. 2 (April 2002): 87–98. http://dx.doi.org/10.1260/1369433021502588.
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The Horsetail Creek Bridge, constructed in 1912, is located along the Historic Columbia River Highway in Oregon. In a recent rating of bridges, the cross beams of the structure were found to be 50 percent deficient in flexure and 94 percent deficient in shear, mainly due to the traffic loads increase. In order to identify suitable Fiber Reinforced Polymer strengthening system, few commercially available systems were reviewed and alternative designs were carried on. Concurrently, four full size beams were constructed to simulate the retrofit of the bridge. One served as a control, while the other three were reinforced with various configurations of FRP composites. Third point bending tests were conducted. Load, deflection and strain data were collected. Results revealed that addition of either GFRP or CFRP composites provided static capacity increase of 45 percent compared to the control beam. The beam strengthened with CFRP for flexure and GFRP for shear, which simulated the HCB cross beams after the retrofit, exhibited near 100 percent of moment capacity increase. The addition of GFRP for shear alone was sufficient to offset the lack of steel stirrups in the actual bridge, allowing for a conventionally reinforced concrete beam with significant shear deficiency to fail by yielding of the flexural failure. The resulting ultimate deflections of the shear GFRP reinforced beam were nearly twice those of the control shear deficient beam. A design method for flexure and shear was proposed before the onset of this experimental study and used on the HCB. The design procedure for flexure was refined to include provisions for non-crushing failure modes. It allowed for predicting the response of the beam at any applied moment.
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Shehadeh, Maha, Emily Kwok, Jason Owen, and Majid Bahrami. "Integrating Mobile Thermal Energy Storage (M-TES) in the City of Surrey’s District Energy Network: A Techno-Economic Analysis." Applied Sciences 11, no. 3 (January 30, 2021): 1279. http://dx.doi.org/10.3390/app11031279.
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The City of Surrey in British Columbia, Canada has recently launched a district energy network (DEN) to supply residential and commercial buildings in the Surrey Centre area with hot water for space and domestic hot water heating. The network runs on natural gas boilers and geothermal exchange. However, the City plans to transition to low-carbon energy sources and envisions the DEN as a key development in reaching its greenhouse gas emissions (GHG) reduction targets in the building sector. Harvesting and utilizing waste heat from industrial sites using a mobile thermal energy storage (M-TES) is one of the attractive alternative energy sources that Surrey is considering. In this study, a techno-economic analysis (TEA) was conducted to determine the energy storage density (ESD) of the proposed M-TES technology, costs, and the emission reduction potential of integrating waste heat into Surrey’s DEN. Three transportation methods were considered to determine the most cost-effective and low-carbon option(s) to transfer heat from industrial waste heat locations at various distances (15 km, 30 km, 45 km) to district energy networks, including: (i) a diesel truck; (ii) a renewable natural gas-powered (RNG) truck, and (iii) an electric truck. To evaluate the effectiveness of M-TES, the cost of emission reduction ($/tCO2e avoided) is compared with business as usual (BAU), which is using a natural gas boiler only. Another comparison was made with other low carbon energy sources that the city is considering, such as RNG/biomass boiler, sewer heat recovery, electric boiler, and solar thermal. The minimum system-level ESD required to makes M-TES competitive when compared to other low carbon energy sources was 0.4 MJ/kg.
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Hrechyshkina, Iryna. "Method of propaedeutic work of teaching of coherent speech of children of junior preschool age." HUMANITARIUM 44, no. 2 (December 31, 2019): 34–39. http://dx.doi.org/10.31470/2308-5126-2019-44-2-34-39.
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The article is devoted to the problem of the development of broadcasting of junior preschoolers. The development of speech for preschool children is fairly determined by one of the key issues in modern education. Different approaches to the problem are analyzed. The essence of the concept is defined as a methodology that is interpreted as an applied subsystem of pedagogy, which answers the question: how to achieve a certain result in practical activity, guided by the existing system of values. All the parts of speech (phonetic, lexical, grammatical) are characterized, which is a necessary condition for the teaching of sciences' juggling The concept of propaedeutic in scientific literature is analyzed and defined as "preliminary studying", an introductory course, presented in a concise and accessible form, introduction to the course of a certain science. The method of propaedeutic work of teaching of coherent speech of children of the very youngest preschool age is developed and theoretically described, since all the necessary conditions for its formation are created on the brink of early and preschool childhood. The method of propaedeutic work for the teaching of coherent speech in children of the fourth year of life is the activating sessions - specially designed occupations-dialogues, the purpose of which is to stimulate the speech activity of children. Thus, each step has its own content, purpose, which is aimed at the development of coherent speech of the child. Each stage is interconnected with each other. Thus, at the first stage, readings of literary texts are offered for discussion, on the second one - the involvement of children in the description of the plot picture in the content of the work. In the third stage, the tutor invites children to engage in tournament playback of pre-read text episodes. At the fourth stage during the sessions of activating training, assemblage of the didactic dialing field is foreseen. The method of propaedeutic work of the joint teaching of younger preschoolers should be based on various linguistic tasks, the conditions of the frontal and individual interaction of the teacher and children, as well as the game forms of training for building a coherent statement.