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Journal articles on the topic 'Deep tech'

Author: Grafiati

Published: 30 June 2021

Last updated: 1 February 2022

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1

Zeng, Wen, Hongjiao Xu, Hui Li, and Xiang Li. "Research on Methodology of Correlation Analysis of Sci-Tech Literature Based on Deep Learning Technology in the Big Data." Journal of Database Management 29, no. 3 (July 2018): 67–88. http://dx.doi.org/10.4018/jdm.2018070104.

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In the big data era, it is a great challenge to identify high-level abstract features out of a flood of sci-tech literature to achieve in-depth analysis of data. The deep learning technology has developed rapidly and achieved applications in many fields, but has rarely been utilized in the research of sci-tech literature data. This article introduced the presentation method of vector space of terminologies in sci-tech literature based on the deep learning model. It explored and adopted a deep AE model to reduce the dimensionality of input word vector feature. Also put forward is the methodology of correlation analysis of sci-tech literature based on deep learning technology. The experimental results showed that the processing of sci-tech literature data could be simplified into the computation of vectors in the multi-dimensional vector space, and the similarity in vector space could be used to represent similarity in text semantics. The correlation analysis of subject contents between sci-tech literatures of the same or different types can be made using this method.

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Schot, Johan. "Confronting the Second Deep Transition through the Historical Imagination." Technology and Culture 57, no. 2 (2016): 445–56. http://dx.doi.org/10.1353/tech.2016.0044.

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Durant, Darrin. "Deep Waters: The Ottawa River and Canada's Nuclear Adventure (review)." Technology and Culture 47, no. 3 (2006): 673–74. http://dx.doi.org/10.1353/tech.2006.0171.

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4

Sadowski, Thomas J. "Big Dish: Building America's Deep Space Connection to the Planets (review)." Technology and Culture 47, no. 3 (2006): 643–44. http://dx.doi.org/10.1353/tech.2006.0199.

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Middleton, William D. "Bridging Deep South Rivers: The Life and Legend of Horace King (review)." Technology and Culture 47, no. 3 (2006): 695–96. http://dx.doi.org/10.1353/tech.2006.0188.

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Jerolimov, Douglas. "Fathoming the Ocean: The Discovery and Exploration of the Deep Sea (review)." Technology and Culture 48, no. 1 (2007): 184–86. http://dx.doi.org/10.1353/tech.2007.0022.

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Dempsey, Michael, Paul Tessier, John Collins, and Elias Caro. "The RADx Tech Deep Dive and Work Package 1 Process." IEEE Open Journal of Engineering in Medicine and Biology 2 (2021): 131–37. http://dx.doi.org/10.1109/ojemb.2021.3070827.

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8

Siegel, Joshua, and Sriram Krishnan. "Cultivating Invisible Impact with Deep Technology and Creative Destruction." Journal of Innovation Management 8, no. 3 (October 14, 2020): 6–19. http://dx.doi.org/10.24840/2183-0606_008.003_0002.

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The term "Deep Tech" is prevalent in industry but ill-defined. In this extended letter, we define Deep Tech (technology that is difficult to develop today, with the potential to become a pervasive and easy-to-implement basic need in the future) and consider its role in evolving businesses. We suggest how organizations can position themselves to take advantage of a coming wave of innovation, with emphasis placed on Creative Destruction's role (cannibalizing product lines) in creating sustaining enterprises. Understanding the diffusion of technical innovation from hard-to-implement exciter to commodity basic need will encourage leaders to rethink their current offerings to play in a future-thinking space setting these companies apart from the competition. We provide examples drawn from successful organizations.

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Parker, Quentin A., Steven Phillipps, and David Morgan. "Wide-field Astronomy with Tech Pan Film - A Positive Outlook for Schmidt Photography." International Astronomical Union Colloquium 148 (1995): 96–103. http://dx.doi.org/10.1017/s0252921100021771.

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AbstractThe introduction of film-based Kodak Technical Pan emulsion at the UKST has led to a new lease of life for deep, wide-field astrophotography. This is because the excellent imaging, resolution and low noise characteristics of Tech Pan typically yield a one magnitude depth gain over equivalent IIIa-F plates. Many new projects are underway to take advantage of the significant information gains. The cheap cost of film and ease of transportation gives direct economic benefits too. Tech Pan could also offer a medium term, competitive alternative to CCD mosaics for providing new, deep, wide-field surveys via stacking of several digitised exposures of the same field. A one magnitude gain could result from the stacking of just 6 Tech Pan films to yield an R ∼ 23.5–24. Even without digital co-addition the largest current CCDs cannot hope to match Tech Pan’s inherent ∼ 3 µm resolution and the 40 square degree area coverage of the UKST.

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Tomayko, J. E. (James E. ). "Behind Deep Blue: Building the Computer that Defeated the World Chess Champion (review)." Technology and Culture 44, no. 3 (2003): 634–35. http://dx.doi.org/10.1353/tech.2003.0140.

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Hinton, Diana Davids. "Drilling Ahead: The Quest for Oil in the Deep South, 1945â2005 (review)." Technology and Culture 48, no. 1 (2007): 203–4. http://dx.doi.org/10.1353/tech.2007.0020.

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Josephson, Paul R. "Deep Water: The Epic Struggle Over Dams, Displaced People, and the Environment (review)." Technology and Culture 48, no. 1 (2007): 210–11. http://dx.doi.org/10.1353/tech.2007.0023.

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Zachary, G. Pascal. "Hellions of the Deep: The Development of American Torpedoes in World War II (review)." Technology and Culture 39, no. 4 (1998): 809–11. http://dx.doi.org/10.1353/tech.1998.0072.

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14

Walcott, Susan M. "High Tech in the Deep South: Biomedical Firm Clusters inMetropolitan Atlanta." Growth and Change 30, no. 1 (January 1999): 48–74. http://dx.doi.org/10.1111/0017-4815.00104.

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Werrett, Simon. "Deep Time of the Media: Toward an Archeology of Hearing and Seeing by Technical Means (review)." Technology and Culture 48, no. 2 (2007): 440–42. http://dx.doi.org/10.1353/tech.2007.0094.

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Hunt, Bruce J. "Spark from the Deep: How Shocking Experiments with Strongly Electric Fish Powered Scientific Discovery by William J. Turkel." Technology and Culture 57, no. 1 (2016): 247–48. http://dx.doi.org/10.1353/tech.2016.0018.

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Morgan, D. H., Q. A. Parker, and S. Phillipps. "Deep Wide-field Hα Images of the Magellanic Clouds." Symposium - International Astronomical Union 190 (1999): 95–96. http://dx.doi.org/10.1017/s0074180900117450.

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A new Hα survey of the Magellanic Clouds which is being carried out on fine-grained Tech-Pan emulsion with the UK 1.2m Schmidt Telescope will have the best combination of depth and resolution of any that cover such a wide area in and around the Magellanic Clouds. Preliminary results show that the films will provide identifications of new emission-line stars and nebulae.

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18

Zhao, Bing. "Research on the Measurements of the Production Factors between the Hi-Tech Zones and the Hinterlands." Applied Mechanics and Materials 556-562 (May 2014): 3043–46. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.3043.

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The regional transfer of production factors was the foundation of regional economy, which was connected with non-balance-development theory. The paper, from the angle of regional economy, made a deep study and established the transfer measurements of the production factors of the High-tech zones.Empirical study of the panel data of the High-tech Zone, results showed that the clustering rate in the zones is already good, but the clustering quality of production factors was not ideal.

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Aguzzi, Jacopo, Damianos Chatzievangelou, Simone Marini, Emanuela Fanelli, Roberto Danovaro, Sascha Flögel, Nadine Lebris, et al. "New High-Tech Flexible Networks for the Monitoring of Deep-Sea Ecosystems." Environmental Science & Technology 53, no. 12 (May 10, 2019): 6616–31. http://dx.doi.org/10.1021/acs.est.9b00409.

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Kim, You-Seong, Se-Gwan Seo, Hyoung-Woo Ko, and Jaehong Kim. "Implementation of porous material through eco-tech for deep cement–soil mixing." Marine Georesources & Geotechnology 36, no. 8 (November 28, 2017): 931–39. http://dx.doi.org/10.1080/1064119x.2017.1399944.

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Zhangorazova, Zhansurat Sultanovna, Eldar Safarovich Bakkuev, Elvira Ruslanovna Kokova, Rukiyat Omarovna Ugurchieva, and Tatyana Evgenievna Khorolskaya. "Theoretical, methodological and practical development in strategic management of agro-economic growth in regions of the Russian Federation within the context of global and national trends in the formation of integrated economic relations." LAPLAGE EM REVISTA 7, Extra-A (April 28, 2021): 155–60. http://dx.doi.org/10.24115/s2446-622020217extra-a788p.155-160.

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Modern conditions for the global economy development clearly indicate that the formation of competitive agrarian economy advantages in the Russian Federation is possible only with the use of an innovative development scenario and the large-scale use of the scientific and technological potential of high-tech industries. Of course, the complex of the most important criteria for the economic growth of the national economy determines the volume of the high-tech sector and the scientific and technical potential of the country at the present stage. The situation in the Russian market clearly implies the need for a quick solution to the main problems of developing high-tech sectors in the agro-industrial complex, accelerating import substitution and ensuring sustainable food security based on resource-saving technologies of agro-industrial production and deep processing of agricultural raw materials.

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Ghosh, Arunava, and Tuhin Sengupta. "Intello Labs: Non-Destructive Digital Commodity Grading." Emerging Economies Cases Journal 3, no. 1 (June 2021): 51–57. http://dx.doi.org/10.1177/25166042211031372.

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This case illustrates Intello Labs, a leading agri-tech company, operating out of Gurgaon. As an agri-tech company, Intello Labs is trying to create an artificial intelligence (AI)-based solution model for its clients. The case dives deep into the issues of degrading farm productivity being faced by Kerala Cardamom Processing and Marketing Company (KCPMC), a client of Intello Labs. The case stands out as a means for understanding the application of the AI-based solutions being offered by Intello Labs to solve the degrading farm productivity issue of KCPMC. It addresses the concerns of the current agricultural-based businesses which mostly depend on manual commodity grading.

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Dimitrios, Nasiopoulos K., Damianos P. Sakas, and D. S. Vlachos. "The Role of Open Source Leadership in Developing High Technology Companies." Key Engineering Materials 543 (March 2013): 402–5. http://dx.doi.org/10.4028/www.scientific.net/kem.543.402.

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The paper seeks to propose the concept of sustainable enterprise simulation models. The social, environmental and economic models are developed and simulated using iThink in the context of a high technology (high-tech) company. With the rapid growth of Social Networks [, Open source applications are increasingly invading the world of Web. High-tech companies must adapt to the world of open source, by the people who work in them, until their products. The paper has leveraged the systems dynamic paradigm to conduct sustainable enterprise modelling and iThink system to implement the models. It uses the design science research methodology for the proof of concept of the models and modelling processes. The models have been developed for a high-tech company and tested in the business settings. These models were finalised through a number of revisions and iterations of the design, develop, simulate, test and evaluate. While leaders have been around for thousands of years, we have attempted to show how the old rules of leadership [ are no longer helpful in dealing with the new games of the 21st century. In the high-tech companies we studied, we discovered patterns of leadership practice that not only yielded remarkable results, but also created a deep sense of meaning and identity for those involved.

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Rakesh Kumar, S., S. Muthuramalingam, and Fadi Al-Turjman. "Multimodal News Feed Evaluation System with Deep Reinforcement Learning Approaches." ACM Transactions on Asian and Low-Resource Language Information Processing 20, no. 1 (April 2021): 1–12. http://dx.doi.org/10.1145/3414523.

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Multilingual and multimodal data analysis is the emerging news feed evaluation system. News feed analysis and evaluations are interrelated processes, which are useful in understanding the news factors. The news feed evaluation system can be implemented for single or multilingual language models. Classification techniques used on multilingual news analysis require deep layered learning techniques rather than conventional approaches. In this proposed work, a hierarchical structure of deep learning algorithms is implemented for making an effective complex news evaluation system. Deep learning techniques such as the Deep Cooperative Multilingual Reinforcement Learning Model, the Multidimensional Genetic Algorithm, and the Multilingual Generative Adversarial Network are developed to evaluate a vast number of news feeds. The proposed tech-niques collaborate in a pipeline order to build a deep news feed evaluation system. The implementation details project that the newly proposed system performs 5% to 12% better than the other news evaluation systems.

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Mikhailushkin, P. V., and L. E. Popok. "The Economic Efficiency of Deep Processing of Grain (on the example of LTD «Cargill»)." Economy of agricultural and processing enterprises, no. 1 (January 2021): 40–43. http://dx.doi.org/10.31442/0235-2494-2021-0-1-40-43.

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The purpose of the article is to assess the economic efficiency of production of deep processing of grain. The relevance of the research is determined by the need to develop this industry in Russia. However, there are many factors that hinder this process: investors’ distrust of the agro-industrial complex as a low-tech sector, the lack of domestic equipment and highly qualified personnel in the field of biotechnology, as well as the lack of experience in the construction of processing plants. For all its disadvantages, which can be eliminated over time through the implementation of measures for state support of the deep processing industry, there are many advantages. These include the possibility of producing high-tech products that are in demand on world markets, intensive development of the livestock industry by improving the feed base, increasing demand and, accordingly, prices for cereals and legumes in the domestic market, creating new technological jobs, etc. The article evaluates the economic efficiency of the production of deep grain processing products on the example of Russia’s largest producer of corn starches and glucose syrups for the food industry. It is revealed that the company effectively uses the available resources, which is reflected in the growth of labor productivity and return on funds, and a decrease in capital intensity. The profitability of production during the study period decreased slightly, but remains at a high level for the industry – 24-25%.

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Yellaiah, Gatti. "A Unique Tribe of Telangana Koyas." World Journal of Social Science Research 3, no. 4 (September 18, 2021): p661. http://dx.doi.org/10.22158/wjssr.v3n4p661.

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The world is the boon of human by the god. Still, there are unrevealed tribal people are inhabiting in the deep jungle of the forst throughout the world. Koya is also one of the tribe of tribal who lives in jungle. These are the people who are just like connecting liks between the people who live in deep foresst and the people who live in open lands in the modern socities. Their living style is different and it seem to be the primitive one, even in the modern and tech world they are giving priority to the way of traditional life style only.

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Gettings, William, Edward Barboe, Ethan Vidal, Dennis Galvin, and William Schmeling. "Taking a Deep Dive — Assessing A Critical Ocean Outfall Using High-Tech Underwater Inspection Tools." Proceedings of the Water Environment Federation 2018, no. 17 (January 1, 2018): 861–73. http://dx.doi.org/10.2175/193864718825137539.

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Petacchi, Elisa, Maria Teresa Armellin, Dina Facchin, Marco Gubernale, Ornella Moret, Mara Buffoni, Anna Maria Salghetti, and Andrea Martinuzzi. "The dystonic child treated with deep brain stimulation: ICF reading of a high-tech approach." Disability and Rehabilitation 31, sup1 (January 2009): S159—S169. http://dx.doi.org/10.3109/09638280903317849.

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Quan, Lin, Long Xu, Ling Li, Huaning Wang, and Xin Huang. "Solar Active Region Detection Using Deep Learning." Electronics 10, no. 18 (September 17, 2021): 2284. http://dx.doi.org/10.3390/electronics10182284.

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Solar eruptive events could affect radio communication, global positioning systems, and some high-tech equipment in space. Active regions on the Sun are the main source regions of solar eruptive events. Therefore, the automatic detection of active regions is important not only for routine observation, but also for the solar activity forecast. At present, active regions are manually or automatically extracted by using traditional image processing techniques. Because active regions dynamically evolve, it is not easy to design a suitable feature extractor. In this paper, we first overview the commonly used methods for active region detection currently. Then, two representative object detection models, faster R-CNN and YOLO V3, are employed to learn the characteristics of active regions, and finally establish a deep learning–based detection model of active regions. The performance evaluation demonstrates that the high accuracy of active region detection is achieved by both the two models. In addition, YOLO V3 is 4% and 1% better than faster R-CNN in terms of true positive (TP) and true negative (TN) indexes, respectively; meanwhile, the former is eight times faster than the latter.

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Schwartzenberg, Jean Marc, Steven Phillipps, and Quentin A. Parker. "A Survey for Low Surface Brightness Galaxies using Tech Pan Films." International Astronomical Union Colloquium 148 (1995): 428–31. http://dx.doi.org/10.1017/s0252921100022314.

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AbstractWe report on a new survey for low surface brightness galaxies using Kodak Tech Pan 4415 film on the UKST, and demonstrate the advantages of this film over conventional IIIa plates when searching for faint, extended objects. Recent experiments with films of the Virgo cluster have shown that the noise per pixel in deep exposures is only 0.7 % of sky, enabling known objects to be traced out to an isophote around 27 Rµ. In addition, a preliminary survey has revealed several new galaxies with central surface brightnesses around 24 Rµ. With the digital coaddition of several films, we expect to be able to measure objects out to the 28 Rµ isophote and detect galaxies with central surface brightnesses as faint as ∼ 25 Rµ, i.e. below 3 % of sky.

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Elsahar, Yasmin, Sijung Hu, Kaddour Bouazza-Marouf, David Kerr, and Annysa Mansor. "Augmentative and Alternative Communication (AAC) Advances: A Review of Configurations for Individuals with a Speech Disability." Sensors 19, no. 8 (April 22, 2019): 1911. http://dx.doi.org/10.3390/s19081911.

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High-tech augmentative and alternative communication (AAC) methods are on a constant rise; however, the interaction between the user and the assistive technology is still challenged for an optimal user experience centered around the desired activity. This review presents a range of signal sensing and acquisition methods utilized in conjunction with the existing high-tech AAC platforms for individuals with a speech disability, including imaging methods, touch-enabled systems, mechanical and electro-mechanical access, breath-activated methods, and brain–computer interfaces (BCI). The listed AAC sensing modalities are compared in terms of ease of access, affordability, complexity, portability, and typical conversational speeds. A revelation of the associated AAC signal processing, encoding, and retrieval highlights the roles of machine learning (ML) and deep learning (DL) in the development of intelligent AAC solutions. The demands and the affordability of most systems hinder the scale of usage of high-tech AAC. Further research is indeed needed for the development of intelligent AAC applications reducing the associated costs and enhancing the portability of the solutions for a real user’s environment. The consolidation of natural language processing with current solutions also needs to be further explored for the amelioration of the conversational speeds. The recommendations for prospective advances in coming high-tech AAC are addressed in terms of developments to support mobile health communicative applications.

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Cheng, Qing Wen. "Build on Strength of China Aerospace to Serve Social Development and Economic Construction." Advanced Materials Research 1079-1080 (December 2014): 1131–33. http://dx.doi.org/10.4028/www.scientific.net/amr.1079-1080.1131.

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Aerospace Science and technology industry as a high-tech industry, for ordinary people is always too profound to be understood. This paper from five aspects of geological hazard monitoring, security system introduced Aerospace Science and technology industry in the service of social development and the construction of national economy, make people understand that space technology research has been deep into every aspect of life.

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Kirakosyan, Evgeniya, and Maxim Lokhmatov. "High-Tech Diagnostic Methods and Enteroscopic Treatment of Children with Peutz-Jeghers Syndrome." European Journal of Pediatric Surgery 30, no. 06 (November 26, 2019): 529–35. http://dx.doi.org/10.1055/s-0039-3400286.

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Abstract Introduction Peutz-Jeghers syndrome (PJS) is an autosomal dominant hereditary hamartomatous polyposis with predominant localization in the jejunum and ileum and high risk of bowel perforation after traditional polypectomy. The modern enteroscopy is the only possible technique for visualizing and performing intraluminal endoscopic microsurgical manipulations in the deep sections of the small intestine. The study aims to develop an optimal method for the diagnosis and treatment of polyps in children with PJS. Materials and Methods During 2015 to 2018 we conducted 30 comprehensive examinations of children with PJS in The Department of Endoscopic Research of the National Medical Research Center for Children's Health. We performed esophagogastroduodenoscopy and colonoscopy with removal of polyps more than 7 mm, then video capsule endoscopy and, guided by this, therapeutic single-balloon enteroscopy. Our technique for removal of polyps is general in all parts: (1) creating a “resistant pillow”; (2) electroexcision of polyp; (3) clipping the removal site. Results Successfully performed electroexcision of polyps, which were located in the deep parts of the small intestine at a distance of 30 segments (one segment is 10 cm), reached a diameter of 2.5 cm, had a long pedicle. The postoperative period was uneventful. Conclusion We have developed an optimal method of diagnostic and therapeutic measures, the observance of which allows us to avoid delayed perforations of the small intestine in the area of polypectomy in the postoperative period in children with PJS. Thanks to this technique, modern enteroscopy is becoming the only possible alternative to bowel resection in children with PJS.

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Parker, Q. A., S. Phillipps, D. H. Morgan, D. F. Malin, K. S. Russell, M. Hartley, and A. Savage. "Use of Kodak Tech-Pan Film at the Ukstu." Symposium - International Astronomical Union 161 (1994): 129–39. http://dx.doi.org/10.1017/s0074180900047203.

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Kodak Technical Pan (Tech Pan) emulsion is an extremely fine grained, high resolution, panchromatic negative film with extended red sensitivity. It has been produced under this name since about 1980 (Kodak P–255, 1981) and is available on Kodak's Estar base in a number of thicknesses and sizes. The thick ∗∗base Tech Pan is designated 4415 and has been used with great success by the amateur astronomical community for many years (e.g. Martys 1991). Its astronomical potential was recognised early by Everhart (1981). However, tests at professional telescopes (e.g. West et al. 1981) and early sensitometer tests at the UK Schmidt Telescope (UKST) in 1981 and 1987 were discontinued when the glass and film samples did not respond well to normal hypersensitisation techniques. These and other difficulties led to a lack of interest among the professional astronomical community until quite recently (Russell et al. 1992; Parker & Malin 1992). The first successful use of 14 × 14 inch hypered Tech-Pan 4415 film in the UKST was in March 1991. Films were obtained which exhibited excellent image quality and resolution. Furthermore, in good seeing these appeared to be about 1 magnitude deeper than the equivalent IIIa-F emulsion on glass but with considerably lower grain noise. This result was achieved because two main problems associated with Tech-Pan and film use in the UKST have been resolved. These were: 1) obtaining Tech-Pan film with long exposure speed sufficient for deep astronomical photography (i.e. reduction of low intenstiy reciprocity failure); 2) overcoming the practical difficulties of mounting large-format flexible film at the UKST's curved focal surface.

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Foged, Isak Worre. "Thermal Responsive Performances of a Spanish Balcony-Based Vernacular Envelope." Buildings 9, no. 4 (April 10, 2019): 80. http://dx.doi.org/10.3390/buildings9040080.

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Many operable and complementary layers make up a vernacular adaptive envelope. With vertical operable translucent textile blinds, horizontal foldable glass doors with thin structural framing, wooden horizontal foldable frames with vertical rotational shutters, plants with dynamic densities, humidity concentrations, and opaque operable textile blinds forming the deep responsive façades of many Southern European buildings as part of the building envelope. This low-tech configuration utilizes behavioral human interaction with the building. On their own, these are singular mechanisms, but as coupled systems, they become highly advanced adaptive building systems used to balance temperature sensations. The research investigates such an adaptive envelope structure through identification of operable elements and their thermal and energy performances through computer simulation models. The designed research computational model includes assessment of heat reception and transfer, resultant operative temperatures, and adaptive comfort sensations. The aim of the research and the material presented in this paper is understanding the performance of native, local, low-tech systems as an opposing approach to contemporary high-tech, complex mechanical systems. The study finds that the operable elements and various compositions make a significant, yet less than anticipated, impact on adaptive thermal comfort temperatures.

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36

Bishop, Peter. "Off Road: Four-Wheel Drive and the Sense of Place." Environment and Planning D: Society and Space 14, no. 3 (June 1996): 257–71. http://dx.doi.org/10.1068/d140257.

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In this paper I argue that the popularity of four-wheel drive vehicles has important consequences for contemporary notions of place and should he considered in the context of the upsurge in high-tech, especially communication, systems. Four-wheel drive culture encompasses both a literal mobility and a fantasy relationship between urban or suburban regions and those of the great outdoors, especially wilderness. By using the Australian experience as a case study I show that four-wheel drive culture plays a crucial part in the construction of what could be called the deep outback and the deep suburbs. It thereby plays a significant role in a renegotiation of the iconography of national identity.

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Song, Yu Chen, Zhan Ning Liu, and Hai Dong Meng. "Researh of Geothermal Resources and Prediction of Deep Geothermal Temperature in High-Tech Zone of Baotou City." Advanced Materials Research 962-965 (June 2014): 68–74. http://dx.doi.org/10.4028/www.scientific.net/amr.962-965.68.

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In the background of low-carbon economy, the development of geothermal resources has many benefits, which will promote energy conservation, help to improve the energy consumption structure. The occurrence state of geothermal resources in high-tech zone of Baotou is described in detail, including geothermal storage layer, geothermal storage cap rock, geothermal channel and heat, and its hydrogeochemical characteristics. The genetic mechanism of geothermal resources is analyzed. The temperature of deep geothermal is predicted. The prediction is proved that it has a certain reliability.

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Vonnahme, T. R., M. Molari, F. Janssen, F. Wenzhöfer, M. Haeckel, J. Titschack, and A. Boetius. "Effects of a deep-sea mining experiment on seafloor microbial communities and functions after 26 years." Science Advances 6, no. 18 (April 29, 2020): eaaz5922. http://dx.doi.org/10.1126/sciadv.aaz5922.

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Future supplies of rare minerals for global industries with high-tech products may depend on deep-sea mining. However, environmental standards for seafloor integrity and recovery from environmental impacts are missing. We revisited the only midsize deep-sea disturbance and recolonization experiment carried out in 1989 in the Peru Basin nodule field to compare habitat integrity, remineralization rates, and carbon flow with undisturbed sites. Plough tracks were still visible, indicating sites where sediment was either removed or compacted. Locally, microbial activity was reduced up to fourfold in the affected areas. Microbial cell numbers were reduced by ~50% in fresh “tracks” and by <30% in the old tracks. Growth estimates suggest that microbially mediated biogeochemical functions need over 50 years to return to undisturbed levels. This study contributes to developing environmental standards for deep-sea mining while addressing limits to maintaining and recovering ecological integrity during large-scale nodule mining.

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Liu, Lizhi. "The Rise of Data Politics: Digital China and the World." Studies in Comparative International Development 56, no. 1 (March 2021): 45–67. http://dx.doi.org/10.1007/s12116-021-09319-8.

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AbstractData has become one of the most valuable assets for governments and firms. Yet, we still have a limited understanding of how data reshapes international economic relations. This paper explores various aspects of data politics through the lens of China’s digital rise and the country’s global engagement. I start with the theoretical premise that data differs from traditional strategic assets (e.g., land, oil, and labor), in that it is nonrival and partially excludable. These characteristics have generated externality, commitment, and valuation problems, triggering three fundamental changes in China’s external economic relations. First, data’s externality problem makes it necessary for states to regulate data or even to pursue data sovereignty. However, clashes over data sovereignty can ignite conflicts between China and other countries. Second, the commitment problem in data use raises global concerns about foreign government surveillance. As data is easier to transfer across borders than physical commodities, Chinese tech companies’ investments abroad are vulnerable to national security investigations by foreign regulators. Chinese tech companies, therefore, confront a “deep versus broad” dilemma: deep ties with the Chinese government help promote their domestic business but jeopardize their international expansion. Lastly, data’s valuation problem makes traditional measures (e.g., GDP) ill-suited to measure the relative strengths of the world’s economies, which may distort perceptions of China and other states.

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Masheder, M. R. W., S. Phillipps, and Q. A. Parker. "Scientific Background to the UKST Hα Survey." Publications of the Astronomical Society of Australia 15, no. 1 (1998): 5–8. http://dx.doi.org/10.1071/as98005.

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AbstractThe dominant process in the evolution of spiral galaxies like our own is clearly the formation of new stars, and the leading optical indicator of this is Hα emission. Considering the tremendous importance of star formation and its variation within and between galaxies, it is surprising just how little survey work has been carried out at Hα. After the successful development of Tech Pan films for deep photographic imaging with the UKST, and given the particular sensitivity of Tech Pan at wavelengths near Hα, it was natural to consider the possibilities for a narrowband Hα imaging survey of large angular extent. This idea quickly developed into a full-blown survey of the whole of the Southern Milky Way, of the Magellanic Clouds, and of selected extragalactic regions of interest such as that around the Virgo Cluster. This special issue is devoted to the discussion of the details of making and using this survey.

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Shipin, O. V., P. G. Meiring, and J. R. Hoffmann. "Petro® concept: a tentative approach to biological phosphorus removal incorporating waste stabilisation ponds." Water Science and Technology 42, no. 10-11 (November 1, 2000): 223–29. http://dx.doi.org/10.2166/wst.2000.0648.

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Ponding which is usually considered a low tech process can be successfully integrated with downstream Biological Nutrient Removal (BNR) facility. The PETRO system incorporating ponds and downstream trickling filter (TF) or activated sludge process (ASP) is a technology which offers simplicity of O and M combined with biological removal of P and N. It is feasible to produce in a primary facultative pond with a deep fermentation pit quantities of readily biodegradable substrates sufficient to meet the requirements of phosphate accumulating organisms (PAO) in a downstream BNR facility. Malodorous conditions are dealt with by high rate recirculation. This novel low tech approach is a step towards a more straightforward BNR process. PETRO concept features phenomenon of algae-assisted chemical P-removal in activated sludge reactor. The process results in precipitation of inorganic phosphates apparently in a form of calcium/magnesium salts. Possible mechanism of this additional process which removes up to several milligrams per litre of inorganic P is discussed.

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Denis-Rémis, Cédric, and Alexandre Heully. "Entreprendre dans les Deep Tech à plus de 40 ans : le pari du mastère spécialisé Second Life." Le journal de l'école de Paris du management N°145, no. 5 (2020): 15. http://dx.doi.org/10.3917/jepam.145.0015.

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Cornu, D., L. Keirsbulck, F. Kerhervé, F. Aloui, and M. Lippert. "On the vortex dynamics of shear-driven deep cavity flows with asymmetrical walls." Canadian Journal of Physics 94, no. 12 (December 2016): 1344–52. http://dx.doi.org/10.1139/cjp-2016-0305.

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The influence of the length-to-depth aspect ratio and of wall asymmetry on the main vortical flow structures evolving in rectangular two-dimensional deep cavities is studied experimentally using wall-pressure and particle image velocimetry (PIV) measurements. Wall-pressure and cavity flow statistics have been analyzed and shown that the flow features are strongly affected especially by the asymmetry. An emphasis is given concerning the behavior of the shear layer oscillations that are compared to the analytical deep-cavity model prediction proposed by P.J.W. Block (NASA Tech. Note. 1976). The results show good agreement with Block’s model if the value of the convection velocity is properly adjusted. Stochastic estimation of the cavity flows demonstrates that convective structures are involved downstream of the cavity along the wall and highlights the physical nature of the pressure-producing flow structures.

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Paoletti, M. S., and Harry L. Swinney. "Propagating and evanescent internal waves in a deep ocean model." Journal of Fluid Mechanics 706 (July 13, 2012): 571–83. http://dx.doi.org/10.1017/jfm.2012.284.

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AbstractWe present experimental and computational studies of the propagation of internal waves in a stratified fluid with an exponential density profile that models the deep ocean. The buoyancy frequency profile $N(z)$ (proportional to the square root of the density gradient) varies smoothly by more than an order of magnitude over the fluid depth, as is common in the deep ocean. The non-uniform stratification is characterized by a turning depth ${z}_{c} $, where $N({z}_{c} )$ is equal to the wave frequency $\omega $ and $N(z\lt {z}_{c} )\lt \omega $. Internal waves reflect from the turning depth and become evanescent below the turning depth. The energy flux below the turning depth is shown to decay exponentially with a decay constant given by ${k}_{c} $, which is the horizontal wavenumber at the turning depth. The viscous decay of the vertical velocity amplitude of the incoming and reflected waves above the turning depth agree within a few per cent with a previously untested theory for a fluid of arbitrary stratification (Kistovich and Chashechkin, J. Appl. Mech. Tech. Phys., vol. 39, 1998, pp. 729–737).

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dos Santos, Rodrigo, Ashwitha Kassetty, and Shirin Nilizadeh. "Disrupting Audio Event Detection Deep Neural Networks with White Noise." Technologies 9, no. 3 (September 6, 2021): 64. http://dx.doi.org/10.3390/technologies9030064.

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Audio event detection (AED) systems can leverage the power of specialized algorithms for detecting the presence of a specific sound of interest within audio captured from the environment. More recent approaches rely on deep learning algorithms, such as convolutional neural networks and convolutional recurrent neural networks. Given these conditions, it is important to assess how vulnerable these systems can be to attacks. As such, we develop AED-suited convolutional neural networks and convolutional recurrent neural networks, and attack them next with white noise disturbances, conceived to be simple and straightforward to be implemented and employed, even by non-tech savvy attackers. We develop this work under a safety-oriented scenario (AED systems for safety-related sounds, such as gunshots), and we show that an attacker can use such disturbances to avoid detection by up to 100 percent success. Prior work has shown that attackers can mislead image classification tasks; however, this work focuses on attacks against AED systems by tampering with their audio rather than image components. This work brings awareness to the designers and manufacturers of AED systems, as these solutions are vulnerable, yet may be trusted by individuals and families.

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Surkova, V. K. "Historical overview of the development of keratoplasty in the Ufa Eye Research Institute." POINT OF VIEW. EAST – WEST, no. 1 (April 20, 2021): 73–76. http://dx.doi.org/10.25276/2410-1257-2021-1-73-76.

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The article presents the stages of introduction of various types of keratoplasty for more than 70 years in the Ufa Eye Research Institute. Modern types of applied selective keratoplasty are described depending on the disease and the degree of stroma damage: anterior deep layer keratoplasty and endothelial keratoplasty. The main conditions for performing high-tech keratoplasty operations including modern equipment and training of highly qualified surgeons are determined. Our own experience of formation and development of corneoplastic surgeries is given. Key words: corneal pathology, Ufa Eye Research Institute, keratoplasty.

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Mashood Nasir, Inzamam, Muhammad Attique Khan, Majed Alhaisoni, Tanzila Saba, Amjad Rehman, and Tassawar Iqbal. "A Hybrid Deep Learning Architecture for the Classification of Superhero Fashion Products: An Application for Medical-Tech Classification." Computer Modeling in Engineering & Sciences 124, no. 3 (2020): 1017–33. http://dx.doi.org/10.32604/cmes.2020.010943.

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Tong, Minglei, Lyuyuan Fan, Hao Nan, and Yan Zhao. "Smart Camera Aware Crowd Counting via Multiple Task Fractional Stride Deep Learning." Sensors 19, no. 6 (March 18, 2019): 1346. http://dx.doi.org/10.3390/s19061346.

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Estimating the number of people in highly clustered crowd scenes is an extremely challenging task on account of serious occlusion and non-uniformity distribution in one crowd image. Traditional works on crowd counting take advantage of different CNN like networks to regress crowd density map, and further predict the count. In contrast, we investigate a simple but valid deep learning model that concentrates on accurately predicting the density map and simultaneously training a density level classifier to relax parameters of the network to prevent dangerous stampede with a smart camera. First, a combination of atrous and fractional stride convolutional neural network (CAFN) is proposed to deliver larger receptive fields and reduce the loss of details during down-sampling by using dilated kernels. Second, the expanded architecture is offered to not only precisely regress the density map, but also classify the density level of the crowd in the meantime (MTCAFN, multiple tasks CAFN for both regression and classification). Third, experimental results demonstrated on four datasets (Shanghai Tech A (MAE = 88.1) and B (MAE = 18.8), WorldExpo’10(average MAE = 8.2), NS UCF_CC_50(MAE = 303.2) prove our proposed method can deliver effective performance.

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Almabdy, Soad, and Lamiaa Elrefaei. "Deep Convolutional Neural Network-Based Approaches for Face Recognition." Applied Sciences 9, no. 20 (October 17, 2019): 4397. http://dx.doi.org/10.3390/app9204397.

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Face recognition (FR) is defined as the process through which people are identified using facial images. This technology is applied broadly in biometrics, security information, accessing controlled areas, keeping of the law by different enforcement bodies, smart cards, and surveillance technology. The facial recognition system is built using two steps. The first step is a process through which the facial features are picked up or extracted, and the second step is pattern classification. Deep learning, specifically the convolutional neural network (CNN), has recently made commendable progress in FR technology. This paper investigates the performance of the pre-trained CNN with multi-class support vector machine (SVM) classifier and the performance of transfer learning using the AlexNet model to perform classification. The study considers CNN architecture, which has so far recorded the best outcome in the ImageNet Large-Scale Visual Recognition Challenge (ILSVRC) in the past years, more specifically, AlexNet and ResNet-50. In order to determine performance optimization of the CNN algorithm, recognition accuracy was used as a determinant. Improved classification rates were seen in the comprehensive experiments that were completed on the various datasets of ORL, GTAV face, Georgia Tech face, labelled faces in the wild (LFW), frontalized labeled faces in the wild (F_LFW), YouTube face, and FEI faces. The result showed that our model achieved a higher accuracy compared to most of the state-of-the-art models. An accuracy range of 94% to 100% for models with all databases was obtained. Also, this was obtained with an improvement in recognition accuracy up to 39%.

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BATARSEH, FADI S., JOHN M. USHER, and JOSHUA J. DASPIT. "COLLABORATION CAPABILITY IN VIRTUAL TEAMS: EXAMINING THE INFLUENCE ON DIVERSITY AND INNOVATION." International Journal of Innovation Management 21, no. 04 (May 2017): 1750034. http://dx.doi.org/10.1142/s1363919617500347.

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Virtual teams are being increasingly utilised in industry given their ability to bring together diverse knowledge and experience from individuals who are not geographically proximal. Having a diversity of knowledge within virtual teams is noted to benefit innovation outcomes; however, leveraging the benefits of diversity (both deep and functional-level) is likely to require a capability to facilitate collaboration among team members. In this study, we empirically validate a measure of collaboration capability (CCAP) and examine its role in enhancing the benefits of diversity on innovation within virtual teams. Using a sample of 375 design and software engineers working in virtual teams from a high-tech firm in Silicon Valley, we find that CCAP significantly moderates the relationship between functional-level diversity and innovation, but no significant influence is found for a similar moderating influence on deep-level diversity and innovation. The implications for the study of virtual teams are discussed and recommendations are offered for organisations using virtual teams.

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