Thematische Bibliographien / Table top drive

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Auswahl der wissenschaftlichen Literatur zum Thema „Table top drive“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 12. Februar 2022

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Zeitschriftenartikel zum Thema "Table top drive"

Pietrusewicz, Krzysztof, Michał Bonisławski und Rafał Pajdzik. „Open architecture digital servodrive for PMSM/PMLM-based machine-tool table feed-drives“. Archives of Electrical Engineering 62, Nr. 2 (01.06.2013): 289–305. http://dx.doi.org/10.2478/aee-2013-0023.

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Abstract The paper presents the results of research work on the development of a rapidprototyping test stand for testing: servo control algorithms, trajectory generation, algorithms for increasing overall quality of the feed-drive modules within two axis (X-Y) table of the milling machine. Open architecture interface of the prepared control system lets the potential user test functionality of integration of diagnostic tools within the motion controller - directly, without taking into account communication with top-level CNC system.

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Kolitz, Sarah, Jason Kim, Jenny Zhang, Yoonjeong Cha, Sailaja Battula, Rebecca Kusko, Rajaraman Krishnan, Benjamin Zeskind und Howard Kaufman. „477 Deep learning to drive COVID-19 rapid drug repurposing“. Journal for ImmunoTherapy of Cancer 8, Suppl 3 (November 2020): A509. http://dx.doi.org/10.1136/jitc-2020-sitc2020.0477.

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BackgroundCOVID-19 is a global public health crisis with no effective therapeutic strategies or vaccines available. The disease is caused by the SARS-CoV-2 virus, a novel coronavirus that enters cells through the ACE2 receptor. To rapidly identify existing drugs that might preferentially bind to the ACE2 receptor we sought to use an artificial intelligence platform to evaluate ~3,000 known drugs in the FDA approved drug library (Selleckchem).MethodsFluency is a quantitative structure–activity relationship (QSAR) deep learning-based platform that evaluates small molecule drug binding to protein targets. All drug structures from the FDA approved library were evaluated for binding to the ACE2 receptor and re-filtered for preferential ACE2 vs. ACE1 receptor binding. Top hits were evaluated for specificity by predicting binding across the human proteome and filtered by evaluating rankings from each of two models along with average ranks and combined scores from both models. The drugs were then evaluated for classification, potential availability and prioritized for in vitro validation. Selected compounds were screened using a high-throughput SARS-CoV-2 cell-based assay as described previously (Jonsson et al. J Biomol Screen 2007 12: 33. DOI: 10.1177/1087057106296688). Plates are quality-controlled in each run using Z score and CV statistics. Positive controls consisting of cells only and negative controls consisting of virus were used to normalize the data. Individual drugs are added to each plate at a single dose with at least four doses tested. For titer reduction assays, VeroE6 cells are infected with virus at MOI of 0.1 for one hour to promote adsorption. After two days, the supernatant is harvested and the amount of virus in each well is measured using TCID50 or plaque assay.ResultsWe identified 25 top drugs that were predicted to bind to ACE2 receptors and could theoretically block SARS-CoV-2 cell entry. Of these drugs, we prioritized 12 drugs for validation covering multiple pharmacologic classes and after assessing drug availability (table 1). They included an ALK/EGFR inhibitor, JAK inhibitor, two electrolyte channel inhibitors, \an antibiotic, and several anti-viral drugs, ACE inhibitors and anticoagulants. Validation studies are in progress and viral inhibition and titer reduction data will be presented.ConclusionsOur data show that machine learning platforms can be used to rapidly identify existing drugs that may have activity against SARS-CoV-2 infection. This hybrid computational and experimental approach enables rapid discovery of drugs for clinical testing against COVID-19 and other emerging human diseases.AcknowledgementsWe would like to thank Dr. Colleen Jonsson and Dr. Jeremy Smith at Oak Ridge National Laboratories and the University of Tennessee Regional Biocontainment Laboratory for assistance with in vitro validation studies.Trial RegistrationN/AEthics ApprovalN/AConsentN.A

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Nowrot, Andrzej, und Barbara Solecka. „Application of Arduino Module to Research in Surface Physics“. Multidisciplinary Aspects of Production Engineering 1, Nr. 1 (01.09.2018): 295–300. http://dx.doi.org/10.2478/mape-2018-0037.

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Abstract During the semiconductor or graphene wafers surface were investigated, the Arduino module was applied to control the impact point of the laser beam. While the pulse signal of laser beam impacts to surface selected material and the material is exposed to enough strong magnetic field, the photomagnetoelectric effect takes place. This causes the electrical signal in the measurement coil, which is connected to amplifiers. The paper presents application of Arduino UNO module to control the position in two dimensions (in the XY plane) of investigated silicon or graphene wafers while the photomagnetoelectric effect is measuring. The Arduino drive (through the integrated circuit with power transistors) the steps and shift of a dedicated table with a sample situated at the top of the table. Constructed equipment, based on Arduino board, allows for one step size of 1.25 μm in X-axis and Y-axis, and in effect, the each square millimeter contains 640000 measurement points. We are able also to modify the Arduino program for motors controller any moment. Moreover, it is also possible to apply the obtain method to investigate another semiconductor materials. The commercially available similar devices don’t have all need functions and they are incomparably more expensive.

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Hammo, Falah. „A comparative study of some (kinematics) variables between the loope drive of top spin style by forehand and backhand of the racket in the table tennis“. Al-Rafidain Journal For Sport Sciences 21, Nr. 67 (06.09.2019): 293–310. http://dx.doi.org/10.33899/rajsport.2019.162987.

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Li, Nanxi, Chong Pei Ho, I.-Ting Wang, Prakash Pitchappa, Yuan Hsing Fu, Yao Zhu und Lennon Yao Ting Lee. „Spectral imaging and spectral LIDAR systems: moving toward compact nanophotonics-based sensing“. Nanophotonics 10, Nr. 5 (12.02.2021): 1437–67. http://dx.doi.org/10.1515/nanoph-2020-0625.

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AbstractWith the emerging trend of big data and internet-of-things, sensors with compact size, low cost and robust performance are highly desirable. Spectral imaging and spectral LIDAR systems enable measurement of spectral and 3D information of the ambient environment. These systems have been widely applied in different areas including environmental monitoring, autonomous driving, biomedical imaging, biometric identification, archaeology and art conservation. In this review, modern applications of state-of-the-art spectral imaging and spectral LIDAR systems in the past decade have been summarized and presented. Furthermore, the progress in the development of compact spectral imaging and LIDAR sensing systems has also been reviewed. These systems are based on the nanophotonics technology. The most updated research works on subwavelength scale nanostructure-based functional devices for spectral imaging and optical frequency comb-based LIDAR sensing works have been reviewed. These compact systems will drive the translation of spectral imaging and LIDAR sensing from table-top toward portable solutions for consumer electronics applications. In addition, the future perspectives on nanophotonics-based spectral imaging and LIDAR sensing are also presented.

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Lehmann, Alexandre, Manuel Vidal und Heinrich H. Bülthoff. „A High-End Virtual Reality Setup for the Study of Mental Rotations“. Presence: Teleoperators and Virtual Environments 17, Nr. 4 (01.08.2008): 365–75. http://dx.doi.org/10.1162/pres.17.4.365.

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Mental rotation is the capacity to predict the orientation of an object or the layout of a scene after a change in viewpoint. Previous studies have shown that the cognitive cost of mental rotations is reduced when the viewpoint change results from the observer's motion rather than the object or spatial layout's rotation. The classical interpretation for these findings involves the use of automatic updating mechanisms triggered during self-motion. Nevertheless, little is known about how this process is triggered and particularly how sensory cues combine in order to facilitate mental rotations. The previously existing setups, either real or virtual, did not allow disentangling the different sensory contributions, which motivated the development of a new high-end virtual reality platform overcoming these technical limitations. In the present paper we will start by a didactic review of the literature on mental rotations and expose the current technical limitations. Then we will fully describe the experimental platform that was developed at the Max Planck Institute for Biological Cybernetics in Tübingen. The setup consisted of a cabin mounted on the top of a six degree-of-freedom Stewart platform inside of which was an adjustable seat, a physical table with a screen embedded, and a large projection screen. A 5-PC cluster running Virtools was used to drive the platform and render the two passive stereovision scenes that were displayed on the table and background screens. Finally, we will present the experiment using this setup that allowed replicating the classical advantage found for a moving observer, which validates our setup. We will conclude by discussing the experimental validation and the advantages of such a setup.

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Barysauskas, Constance, Gina Hudgins, Katie Kupferberg Gill, Kristen Camuso, Janet Bagley, Sheila Rozanski und Sarah Kadish. „Measuring chemotherapy appointment duration and variation utilizing real-time location systems (RTLS).“ Journal of Clinical Oncology 32, Nr. 30_suppl (20.10.2014): 154. http://dx.doi.org/10.1200/jco.2014.32.30_suppl.154.

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154 Background: Clinical schedules drive resource utilization, cost, and patient wait time. Accurate appointment durations ensure appropriate staffing ratios to the daily caseload and maximizes scarce resources. Dana-Farber Cancer Institute (DFCI) adjusts infusion appointment durations for each chemotherapy regimen using a consensus method of experts including pharmacists, nurses, and administrators. Utilizing RTLS, we examined the accuracy of appointment duration compared to suggested duration. Methods: Appointment duration was calculated using RTLS in three disease centers at DFCI between August 1st and September 30th, 2013. Duration was defined as the amount of time a patient occupied an infusion chair. The top 10 administered infusion regimens were statistically investigated (n=805). Results: All median observed appointment durations were statistically different than the suggested durations. Appointment duration was shorter than scheduled 98% [C], 95% [I], and 75% [F] of the time and longer than scheduled 77% [A] and 76% [G] of the time. Almost all C and I appointments were more than 30 minutes shorter than scheduled. Among A appointments longer than scheduled, 56% were more than 30 minutes longer than scheduled. Conclusions: RTLS provides reliable and unbiased data to improve schedule accuracy. Replacing consensus with system-based data may improve clinic flow, relieve staff stress, and increase patient satisfaction. Further investigations should elucidate factors that cause variation in appointment duration. [Table: see text]

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BLEICHER, Friedrich, Christoph REICHL, Felix LINHARDT, Peter WIMBERGER, Christoph HABERSOHN und Stephan KRALL. „INVESTIGATION OF NOISE TRANSMISSION OF A MACHINE TOOL ENCLOSURE“. Journal of Machine Engineering 19, Nr. 3 (15.09.2019): 5–17. http://dx.doi.org/10.5604/01.3001.0013.4076.

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Machine tools are highly integrated mechatronic systems consisting of dedicated mechanic design and integrated electrical equipment - in particular drive systems and the CNC-control - to realize the complex relative motion of tool towards work piece. Beside the process related capabilities, like static and dynamic stiffness as well as accuracy behavior and deviation resistance against thermal influence, safety aspects are of major interest. The machine tool enclosure must fulfill multiple requirements like retention capabilities against the moving parts of broken tools, lose work pieces or clamping components. In regular use, the noise emission have to be inhibited at the greatest possible extent by the machine tool enclosure. Nevertheless, the loading door and the moving parts of the workspace envelope are interfaces where noise transmission is harder to be avoided and therefore local noise emissions increase. The aim of the objective investigation is to analyse the noise emission of machine tools to determine the local noise transmission of a machine tool enclosure by using arrays of microphones. By the use of this measuring method, outer surfaces at the front, the side and on the top of the enclosure have been scanned. The local transient acoustic pressures have been recorded using a standard noise source placed on the machine table. In addition, an exemplary manufacturing process has been performed to analyse the frequency dependent location resolved sound emissions.

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Ho, Lee Lee, Puong Ling Law und Soh Fong Lim. „Implementing Environmental Management Systems (EMS) In Sarawak: Adoption Factors“. International Journal of Environmental Science & Sustainable Development 2, Nr. 1 (30.06.2017): 80. http://dx.doi.org/10.21625/essd.v2i1.88.

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In most organizations, Environmental Management Systems (EMS) adoption is based on voluntary basis; in which the adoption depends on the organization’s aspirations for better environmental performance. Organizations are attracted by very practical benefits through implementation of EMS in their organizations. The primary purpose of an EMS implementation is to improve environmental performance continually in an organization. This research investigates the factors that drive the adoption of EMS by organizations in Sarawak. Empirical findings of a survey on the above in Sarawak organizations are presented. About 112 survey questionnaires invitations were forwarded to various organizations in Sarawak and a total of 47 responses (about 42.0%) were received, Walford (1995) in his assertion said that sampling techniques require 10 percent or more of observations or sampling fractions so that they are to be considered as a representative of the total population. From this research, organizations which have implemented an EMS are mostly from larger organizations in Sarawak which have been established for more than 15 years with over 251 employees and more than one operating location. The results showed that ISO 14001 is the most common EMS frameworks adopted by organizations in Sarawak; followed by Round-table on Sustainable Palm Oil (RSPO). Among the EMS adoption factors in Sarawak, EMS implementation motivation and the role of top management are the most critical factors in EMS adoption in Sarawak. Besides, management support is also another essential factor for EMS adoption among Sarawak organizations; followed by current market orientation factor..

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Passias, Peter G., Haddy Alas, Shay Bess, Breton G. Line, Virginie Lafage, Renaud Lafage, Christopher P. Ames et al. „Patient-related and radiographic predictors of inferior health-related quality-of-life measures in adult patients with nonoperative spinal deformity“. Journal of Neurosurgery: Spine 34, Nr. 6 (Juni 2021): 907–13. http://dx.doi.org/10.3171/2020.9.spine20519.

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OBJECTIVE Patients with nonoperative (N-Op) adult spinal deformity (ASD) have inferior long-term spinopelvic alignment and clinical outcomes. Predictors of lower quality-of-life measures in N-Op populations have yet to be sufficiently investigated. The aim of this study was to identify patient-related factors and radiographic parameters associated with inferior health-related quality-of-life (HRQOL) scores in N-Op ASD patients. METHODS N-Op ASD patients with complete radiographic and outcome data at baseline and 2 years were included. N-Op patients and operative (Op) patients were propensity score matched for baseline disability and deformity. Patient-related factors and radiographic alignment parameters (pelvic tilt [PT], sagittal vertical axis [SVA], pelvic incidence [PI]–lumbar lordosis [LL] mismatch, mismatch between cervical lordosis and T1 segment slope [TS-CL], cervical-thoracic pelvic angle [PA], and others) at baseline and 2 years were analyzed as predictors for moderate to severe 2-year Oswestry Disability Index (ODI > 20) and failing to meet the minimal clinically importance difference (MCID) for 2-year Scoliosis Research Society Outcomes Questionnaire (SRS) scores (< 0.4 increase from baseline). Conditional inference decision trees identified predictors of each HRQOL measure and established cutoffs at which factors have a global effect. Random forest analysis (RFA) generated 5000 conditional inference trees to compute a variable importance table for top predictors of inferior HRQOL. Statistical significance was set at p < 0.05. RESULTS Six hundred sixty-two patients with ASD (331 Op patients and 331 N-Op patients) with complete radiographic and HRQOL data at their 2-year follow-up were included. There were no differences in demographics, ODI, and Schwab deformity modifiers between groups at baseline (all p > 0.05). N-Op patients had higher 2-year ODI scores (27.9 vs 20.3, p < 0.001), higher rates of moderate to severe disability (29.3% vs 22.4%, p = 0.05), lower SRS total scores (3.47 vs 3.91, p < 0.001), and higher rates of failure to reach SRS MCID (35.3% vs 15.7%, p < 0.001) than Op patients at 2 years. RFA ranked the top overall predictors for moderate to severe ODI at 2 years for N-Op patients as follows: 1) frailty index > 2.8, 2) BMI > 35 kg/m2, T4PA > 28°, and 4) Charlson Comorbidity Index > 1. Top radiographic predictors were T4PA > 28° and C2–S1 SVA > 93 mm. RFA also ranked the top overall predictors for failure to reach 2-year SRS MCID for N-Op patients, as follows: 1) T12–S1 lordosis > 53°, 2) cervical SVA (cSVA) > 28 mm, 3) C2–S1 angle > 14.5°, 4) TS-CL > 12°, and 5) PT > 23°. The top radiographic predictors were T12–S1 Cobb angle, cSVA, C2–S1 angle, and TS-CL. CONCLUSIONS When controlling for baseline deformity in N-Op versus Op patients, subsequent deterioration in frailty, BMI, and radiographic progression over a 2-year follow-up were found to drive suboptimal patient-reported outcome measures in N-Op cohorts as measured by validated ODI and SRS clinical instruments.

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Dissertationen zum Thema "Table top drive"

Bezděk, Petr. „Konstrukční návrh otočného stolu s nosností 65 000 kilogramů“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443716.

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The diploma thesis deals with the design of a rotary table for machining large non-rotary workpieces up to a maximum weight of 65 000 kg. The aim of the work is to analyze and evaluate the current state of knowledge in the field of rotary tables, to create a table design according to the assignment and its 3D model with part of the drawing documentation. The theoretical part of the work searches for solutions used in the construction of rotary tables in the category of table according to the assignment. The information obtained is further used in the design of rotary table solution variants. By evaluating the weight of the required properties and their degree of fulfillment, a variant of the design solution of the table is selected, which is then designed. The individual design steps are described and explained in the text part of the work accompanied by pictures and calculations. The result of the process is a structural design of the mechanical part of the rotary table with a 3D model and partially processed drawing documentation. The contribution of the work is the summarization of relevant information for the design of rotary tables, the processed procedure of solving the design of the table and the modeled design of the rotary table. These outputs can be further treated as documentation for the production of the designed table, the development of the rotary table design to deeper details or technical development in this area.

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Goodberlet, James Gregory. „An experimental investigation of a talbe-top, laser-driven extreme ultraviolet laser“. Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/9837.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
Includes bibliographical references (p. 159-165).
by James G. Goodberlet.
Ph.D.

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Bücher zum Thema "Table top drive"

Marc, Miller. A seat at the table: How top salespeople connect and drive decision at the executive level. Austin, Tex: Greenleaf Book Group Press, 2009.

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DeMaria, Rusel, und Zach Meston. Sega Genesis Secrets, Volume 3. Rocklin, CA: Prima Publishing, 1992.

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Prima. Official Sega Genesis: Power Tips Book. Rocklin, CA: Prima Publishing, 1992.

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Tom, Badgett, Hrsg. Official Sega Genesis and Game Gear strategies, 2ND Edition. Toronto: Bantam Books, 1991.

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Sandler, Corey. Official Sega Genesis and Game Gear strategies, 3RD Edition. New York: Bantam Books, 1992.

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Ballaster, Ros. Philosophical and Oriental Tales. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199574803.003.0019.

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This chapter discusses philosophical and oriental tales. The philosophical and oriental tale offer alternative means of exploring the same preoccupations as those that drive the more familiar realist and domestic fiction of the second half of the eighteenth century: a fiction that self-consciously explores relations between reader and text, between disciple and mentor, between past and present generations. Where philosophical and oriental tales differ from the domestic realist fictions is in exploring these relations on the level of form and plot rather than the level of character. It is not that character is insignificant in these tales but that it tends to demonstrate the universality of the human mind and its responses to external stimulus rather than to promote the belief in the plausibility or authenticity of persons through individualizing marks or impressions.

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Platte, Nathan. Variations on a Theme. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780199371112.003.0004.

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After accepting an excellent offer from MGM in 1933, Selznick fostered a relationship with MGM composer Herbert Stothart. As with Steiner at RKO, Selznick’s penchant for longer scores helped jump-start the composer’s career. In contrast to Steiner’s drive for wholly “original” scores at RKO, however, Stothart preferred interweaving classical selections—a method born of the silent era that Selznick found attractive, even preferable. This chapter focuses on Stothart’s creative arranging of works by Beethoven, Wagner, Tchaikovsky, and others in a series of literary adaptations, including Night Flight (1933), David Copperfield (1935), Vanessa: Her Love Story (1935), Anna Karenina (1935), and A Tale of Two Cities (1935). Through these films, Selznick and Stothart fashioned a music model for the prestige film that Selznick carried forward in his independent productions.

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Nordmann, Alfred. Undisturbed by Reality. The MIT Press, 2018. http://dx.doi.org/10.7551/mitpress/9780262533287.003.0009.

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Mary Shelley’s Frankenstein is not a tale of modern science. Instead, the story of Victor Frankenstein and his creature shows that the premodern, alchemical dream of animating lifeless things returns after science has studied its “realities of little worth.” If Frankenstein speaks to us today, it is because today’s technosciences carry forward the alchemical dream. Whereas science requires a calm and peaceful state of mind, Victor’s technoscience – then and now – is driven by a supernatural enthusiasm. Accordingly we may find that even the supposedly ordinary nanotechnologies and materials sciences of our day and age are not “befitting the human mind” – long before one seeks to create artificial life.

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Dixon, Suzanne. Family. Herausgegeben von Paul J. du Plessis, Clifford Ando und Kaius Tuori. Oxford University Press, 2016. http://dx.doi.org/10.1093/oxfordhb/9780198728689.013.35.

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The Roman family was defined at law as a unit controlled by the all-powerful pater familias, its membership determined by relationship through the male line (agnatio). Both formal law and family relations altered between the fifth-century-BC XII Tables and the sixth-century-AD legal compilations ordered by the Eastern Emperor Justinian. In particular, Christianity and married women’s developing capacity to acquire and transmit property drove significant changes in power relations within the family. Scholarly perspectives on Roman law and the Roman family have also changed to take into account the religious and ethnic diversity of the Roman Empire and the social realities behind the rigid legal categories of the law. This chapter surveys these strands of scholarship.

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Verhulst, Stefaan G., und Andrew Young. Open Data in Developing Economies: Toward Building an Evidence Base on What Works and How. African Minds, 2017. http://dx.doi.org/10.47622/9781928331599.

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Recent years have witnessed considerable speculation about the potential of open data to bring about wide-scale transformation. The bulk of existing evidence about the impact of open data, however, focuses on high-income countries. Much less is known about open data's role and value in low- and middle-income countries, and more generally about its possible contributions to economic and social development. Open Data for Developing Economies features in-depth case studies on how open data is having an impact across the developing world-from an agriculture initiative in Colombia to data-driven healthcare projects in Uganda and South Africa to crisis response in Nepal. The analysis built on these case studies aims to create actionable intelligence regarding: (a) the conditions under which open data is most (and least) effective in development, presented in the form of a Periodic Table of Open Data; (b) strategies to maximize the positive contributions of open data to development; and (c) the means for limiting open data's harms on developing countries.

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Buchteile zum Thema "Table top drive"

Reddy, K. P. J., R. Ramesh Babu, R. Murali und S. Saravanan. „Reddy Tube Driven Table-Top Hypersonic Shock Tunnel“. In 29th International Symposium on Shock Waves 1, 403–8. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-16835-7_63.

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Nickles, P. V., K. A. Janulewicz und W. Sandner. „Table-Top X-Ray Lasers in Short Laser Pulse and Discharge Driven Plasmas“. In Strong Field Laser Physics, 321–78. New York, NY: Springer New York, 2008. http://dx.doi.org/10.1007/978-0-387-34755-4_15.

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Weisshaupt, Jannick, Vincent Juvé, Shian Ku, Marcel Holtz, Michael Woerner, Thomas Elsaesser, Skirmantas Ališauskas, Audrius Pugžlys und Andrius Baltuška. „Sub-100 fs Mid-Infrared Pulses as Driver for a Table-Top Hard X-Ray Source“. In Springer Proceedings in Physics, 770–73. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-13242-6_189.

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Bahulkar, Ashwin, und Sreedhar Reddy. „Ontology Driven Information Extraction from Tables Using Connectivity Analysis“. In On the Move to Meaningful Internet Systems: OTM 2013 Conferences, 642–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-41030-7_47.

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Niedt, Greg. „A Tale of Three Villages: Contested Discourses of Place-Making in Central Philadelphia“. In The Life and Afterlife of Gay Neighborhoods, 159–80. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-66073-4_7.

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AbstractAs the acceptance of queer identities has proceeded in fits and starts over the last few decades, the question has been raised, is it still necessary to have dedicated queer spaces? City dwellers often reason that with supposed improvements in safety and social mixing, the “gay ghettos” that form a transitional stage in neighborhood revitalization should now become common areas. Yet the capitalist logic that drives this thinking often trades the physical threat of exclusion or violence for an existential one, jeopardizing a distinctive culture that remains valuable in the self-realization process of local queer citizens. This is visible not only in changing demographics, but also in the production of discourse across multiple levels; language and semiotics help to constitute neighborhoods, but also to conceptualize them. This chapter examines how public signs and artifacts reify and sustain three competing narratives of a single central Philadelphia neighborhood in flux: the traditionally queer “Gayborhood” that developed shortly after World War II, the officially designated “Washington Square West,” and the realtor-coined, recently gentrifying “Midtown Village.” I argue that the naming and describing of these spaces, and how their associated discourses are reflected by their contents, continues to play a role in the ongoing struggle for queer acceptance. Combining observational data of multimodal public texts (storefronts, flyers, street signs, etc.) and critical discourse analysis within the linguistic/semiotic landscapes paradigm, I present a critique of the presumed inevitability of queer erasure here. This is supplemented with a comparison of grassroots, bottom-up, and official, top-down documents in various media (maps, brochures, websites, social media, etc.) that perpetuate the different discourses. Ultimately, a change in urban scenery and how a neighborhood is envisioned only masks the fact that spaces of queer expression, marked by their eroding distinctiveness rather than their deviance, are still needed.

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Nakajima, Kazuhisa, Aihua Deng, Hitoshi Yoshitama, Nasr A. M. Hafz, Haiyang Lu, Baifei Shen, Jiansheng Liu, Ruxin Li und Zhizhan Xu. „Laser-Driven Table-Top X-Ray FEL“. In Free Electron Lasers. InTech, 2012. http://dx.doi.org/10.5772/35894.

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„Table of Contents“. In Verb Raising and Theta-Driven Movement. Berlin, Boston: De Gruyter, 2004. http://dx.doi.org/10.1515/9783110919707-toc.

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„Table of contents“. In Quantitative Methods in Cognitive Semantics: Corpus-Driven Approaches, herausgegeben von Dylan Glynn und Kerstin Fischer. Berlin, New York: De Gruyter Mouton, 2010. http://dx.doi.org/10.1515/9783110226423.toc.

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„Table of Contents“. In From Filmmaker Warriors to Flash Drive Shamans, vii—viii. Vanderbilt University Press, 2018. http://dx.doi.org/10.2307/j.ctv167571w.2.

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„Tables“. In From Filmmaker Warriors to Flash Drive Shamans, ix—x. Vanderbilt University Press, 2018. http://dx.doi.org/10.2307/j.ctv167571w.3.

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Konferenzberichte zum Thema "Table top drive"

Vellamattathil Baby, Tinu, Pouria Karimi Shahri, Amir H. Ghasemi und Baisravan HomChaudhuri. „Suggestion-Based Fuel Efficient Control of Connected and Automated Vehicles“. In ASME 2020 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/dscc2020-3193.

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Abstract This paper presents a suggestion-based fuel efficient controller for connected and automated vehicles (CAVs) in presence of human-driven vehicles (HDVs). The suggestion-based controller, apart from evaluating the fuel efficient control solution of the host CAV, provides suggested velocity commands to the HDVs so that the fuel efficiency of itself or the group can improve. We assume that in the connected vehicle system, the HDVs are also able to receive information though Vehicle to Vehicle (V2V) communication and they always try to follow the suggested commands. The suggestion-based control provides additional decision variables to the CAVs with which they can influence the actions of the HDVs and hence improve the fuel efficiency of the whole group. The controller is implemented in a model predictive control (MPC) framework where the suggested command velocities are held constant over some prescribed time so that the driver gets enough time to reach the suggested command velocities. For this control method to function, we present a model that captures the response of a HDV to different suggested-commands. The parameters of the model is obtained from a table-top drive simulator. The accuracy of this model is also validated with the experimental data (table-top drive simulator) and the results are presented in this paper. Simulation studies for the control strategies show the efficacy of the proposed control strategy when compared with existing baseline methods.

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Steenberg, Thomas, Stig Settemsdal und Alf Olav Valen. „Cost-Effectively Modernizing Offshore Drilling Line-Ups with DC Power Grids and Energy Storage“. In Offshore Technology Conference. OTC, 2021. http://dx.doi.org/10.4043/31264-ms.

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Abstract This paper outlines an approach/solution which enables offshore operators to economically upgrade (i.e., modernize) drilling drive lineups with direct current (DC) based power grids and energy storage. Many legacy drilling rigs in operation (and ones that are currently stacked/idled) utilize drilling drive technology that is currently obsolete or will be in the near future. Modernizing these rigs can often be an arduous and expensive undertaking. Most drilling setups feature lineups of individual variable frequency drives (VFDs) equipped with dedicated rectifiers, which control power output to motor/consumers, such as mud pumps, the top drive, draw works, rotary table, etc. These alternating current (AC) based setups have been used with success for decades. However, as fuel consumption and emissions, as well as space and weight, have become priorities, DC grid systems have gained interest. The solution described in this paper is designed to enable drilling rig operators to upgrade to a modern DC power distribution system using the same footprint as the existing drilling line-up and with minimal modifications to cabling. Energy storage, such as batteries or supercapacitors, can also be integrated within the footprint to enhance the performance of drilling operations – for example through peak shaving and blackout prevention. The solution/approach is highly flexible/modular and is derived from proven concept that has been deployed on hundreds of marine vessels worldwide. The paper provides a description of a solution that is being implemented on a jack-up rig in the Middle East. The new integrated drilling drive setup uses the same footprint, cable network, and communication principles as the rig's existing system and will be comparatively less costly and complicated to implement than simply swapping out existing drives (i.e., one for one replacement).

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Sato, Ryosuke, Islam Khaled Abdelkarim, Abdul Rahman Hasan Albeshr, Takahiro Toki, Salim Abdalla Al Ali, Mohamed Abdulrahman Alzaabi, Paul Malpass und Roberth Barbera. „New Methodology of Slot Recovery Minimizing Milling Operation“. In SPE/IADC Middle East Drilling Technology Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/202112-ms.

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Abstract Slot recovery operation can be considered as one of the most time consuming operation. Cut and pull casings, or milling casings have been carried out as typical method of slot recovery. However there are a lot of risks with this typical method such as poor progress of milling, damaging top drive due to high vibration while milling or sudden string jumping up while overpulling and possibility of string stuck caused by poor hole cleaning while milling. We have completed slot recovery operations on numbers of wells, but there were a lot of troubles caused by above mentioned adversaries on rig equipment and taking a lot of time to complete operation. There are several kinds of new slot recovery technologies that may save rig time and less harmful than conventional method. Casing Pulling Tool (CPT) is one of the new technologies which eliminates or mitigates risks mentioned above. CPT has piston internally and it is activated by applying pressure inside string. CPT is run with casing spear and drill pipes. Once spear is engaged with casing and apply pressure inside drill string, CPT provides pulling force on casing. Pulling force is varied depend on the applied pressure and maximum available pulling force is more than 1,000 kips. Hence upper part of string is anchored at rotary table by slips, pulling force is applied on casing and drill string below rotary table. This means no pulling force is applied on top drive and minimize the chance of getting damage on it. As an actual case, we could successfully recover 13-3/8" casing by CPT without having any troubles and complete slot recovery operation with saving rig time compared to the conventional methods. This paper introduces the details about the case mentioned above.

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Foglesong, Tim, Rob Stone und John Parmigiani. „Dynamics Modeling to Inform Design Optimization“. In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-34412.

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This paper presents the methods employed in modeling a vibratory conveyor for use in model-based design optimization. The conveyor, essentially a large table whose top oscillates at an angle off of horizontal, uses springs between the drive mechanism and the tabletop to directly apply a sinusoidal excitation. These springs prevent the system from losing response amplitude as load is increased. The manufacturer is having difficulty optimizing performance and reliability in newer designs, and has requested a model-based approach to the design optimization. This study discusses the initial steps taken in modeling the original mechanism design, specifically the dynamic model and experimental determination of the necessary spring constants. The first full iteration of the model starts with low detail and simplified geometry, with a plan to add complexity as needed to improve accuracy. In the initial model, the parallel springs in the tabletop suspension are combined, bypassing the spring mounting geometry, and tested as one large spring. The drive mechanism springs, bars of fiber reinforced plastic (FRP), are more meticulously tested in a tensile testing machine. The resulting spring constants are used in the initial model to calculate the sinusoidal response of the tabletop at any given input frequency. The deflection response per time of the tabletop is then measured and compared to the model. Conclusions detail the initial model’s accuracy and Future Work examines how to bring it in closer agreement with the real machine’s sinusoidal response.

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Tian, Ye, und Jiansheng Liu. „Table-top Laser-driven microwire for Intense Terahertz radiation“. In International Symposium on Ultrafast Phenomena and Terahertz Waves. Washington, D.C.: OSA, 2018. http://dx.doi.org/10.1364/isuptw.2018.wb2.

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Gopal, Amrutha, Abel W. Woldegeorgis und Sven Herzer. „High-power terahertz pulse generation using table-top laser driven ion accelerators“. In 2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz). IEEE, 2016. http://dx.doi.org/10.1109/irmmw-thz.2016.7758712.

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Luther, Bradley M., David Alessi, Yong Wang, Liang Yin, Dale H. Martz, Mark R. Woolston und Jorge J. Rocca. „Table-top Short Pulse Driver for sub-10 nm soft X-ray lasers“. In Frontiers in Optics. Washington, D.C.: OSA, 2011. http://dx.doi.org/10.1364/fio.2011.fmj3.

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Diebold, Andreas, Florian Emaury, Clara J. Saraceno und Ursula Keller. „Table-Top Megahertz XUV Source Driven by High-Power Modelocked Thin-Disk Laser“. In CLEO: Science and Innovations. Washington, D.C.: OSA, 2016. http://dx.doi.org/10.1364/cleo_si.2016.sf1i.5.

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Weisshaupt, Jannick, Vincent Juvé, Shian Ku, Marcel Holtz, Michael Woerner, Thomas Elsaesser, Skirmantas Ališauskas, Audrius Pugžlys und Andrius Baltuška. „Table-top hard x-ray source driven by sub-100 fs mid-infrared pulses“. In CLEO: Science and Innovations. Washington, D.C.: OSA, 2014. http://dx.doi.org/10.1364/cleo_si.2014.sm1f.5.

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Swietek, B., V. Santhakumar und B. Pfister. „Table-top air pressure-driven shock tube to induce a blast traumatic brain injury“. In 2012 38th Annual Northeast Bioengineering Conference (NEBEC). IEEE, 2012. http://dx.doi.org/10.1109/nebc.2012.6206957.

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