Готові списки джерел за темами / IET-devices

Добірка наукової літератури з теми "IET-devices"

Автор: Grafiati

Опубліковано: 30 травня 2022

Оновлено: 31 травня 2022

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Статті в журналах з теми "IET-devices"

Schmid, Simone M., Wolfgang Büscher, and Julia Steinhoff-Wagner. "PSII-9 Body core and skin temperatures in suckling piglets measured by infrared thermography and thermometry methods." Journal of Animal Science 97, Supplement_3 (December 2019): 234–35. http://dx.doi.org/10.1093/jas/skz258.477.

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Abstract Monitoring piglets’ temperatures after birth is crucial to prevent losses caused by hypothermia and ensure well-being. Rectal measuring, which is still considered the ‘gold standard’ for assessing core temperatures, takes time and requires fixation. Aim of this study was to evaluate the effectiveness of infrared thermography and thermometry in comparison to rectal temperatures. In one to seven days old piglets, rectal temperatures were measured with digital thermometers (DT) (Geratherm® GT-195-1) (n = 958), tympanic membrane temperatures with an infrared ear thermometer (IET) (ThermoScan® IRT6520) (n = 424), skin temperatures with infrared laser thermometers (ILT) (Eventek™ ET312) behind the ear (n = 671), an infrared camera (IC) (Optris® PI400) at six body locations (n≥488) or an infrared camera attachment (ICA) (FLIR ONE® for iOS) (n = 60). Devices’ reliability was tested. Correlations and differences (GLM) were estimated with SAS® 9.4. DT devices and repeated measurements showed no differences (n = 77). Repeated IET measurements at left and right ear were not different (n = 57). Temperatures decreased for ILT when measured from 10, 30, 50, and 100cm (P < 0.001; n = 360). Three ILT devices obtained different values (P < 0.001). At 10cm, means were different at left and right side (P < 0.001). For following results, the same device was used for all measurements (10cm, left). Highest correlations were found between DT and IET (r = 0.93; P < 0.001) and ILT (r = 0.81; P < 0.001). All infrared temperatures were lower (P < 0.001) than rectal temperatures (38.8°C), except IET (38.7°C). For IC, temperatures at inner thigh and lower abdomen correlated best with DT (0.59≤r≤0.62; P < 0.001). IET seems suited for assessing temperatures in piglets as it is reliable, with values comparable to DT. For IC, inner thigh and lower abdomen seem promising locations, but fixation is still required for both techniques. ILT is an option for estimating core temperatures at a short distance, but reliability needs to be considered.

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Kim, Youngsang, Safa G. Bahoosh, Dmytro Sysoiev, Thomas Huhn, Fabian Pauly, and Elke Scheer. "Inelastic electron tunneling spectroscopy of difurylethene-based photochromic single-molecule junctions." Beilstein Journal of Nanotechnology 8 (December 6, 2017): 2606–14. http://dx.doi.org/10.3762/bjnano.8.261.

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Diarylethene-derived molecules alter their electronic structure upon transformation between the open and closed forms of the diarylethene core, when exposed to ultraviolet (UV) or visible light. This transformation results in a significant variation of electrical conductance and vibrational properties of corresponding molecular junctions. We report here a combined experimental and theoretical analysis of charge transport through diarylethene-derived single-molecule devices, which are created using the mechanically controlled break-junction technique. Inelastic electron tunneling (IET) spectroscopy measurements performed at 4.2 K are compared with first-principles calculations in the two distinct forms of diarylethenes connected to gold electrodes. The combined approach clearly demonstrates that the IET spectra of single-molecule junctions show specific vibrational features that can be used to identify different isomeric molecular states by transport experiments.

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Mongkolrattanothai, Kanokporn, Leslie Stach, and Regina Orbach. "519. Multidrug-resistant Gram-Negative Bacteremia in Pediatric Patients: Is It Time to Change to Empiric Meropenem?" Open Forum Infectious Diseases 6, Supplement_2 (October 2019): S250. http://dx.doi.org/10.1093/ofid/ofz360.588.

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Abstract Background The rise of antimicrobial resistance among gram-negative (GN) pathogens has been dramatic nationally. Delayed initiation of active antimicrobial agents has been associated with poor outcomes. We aimed at evaluating the prevalence and treatment of multi-drug-resistant gram-negative (MDR-GN) bacteremia in our pediatric patients. Methods All episodes of GN bacteremia from 2017–2018 at our institution were retrospectively reviewed. GN defined as MDR in our study were carbapenem-resistant organisms (CRO), extended-spectrum β-lactamase (ESBL) producers, and GN that were resistant to cefepime and ≥2 classes of non-cephalosporin antimicrobial agents. Stenotrophomonas maltophilia was excluded. Ineffective empirical treatment (IET) is defined as an initial antibiotic regimen that is not active against the identified pathogen[s] based on in vitro susceptibility testing results. Results A total of 292 episodes of GN bacteremia were identified and 6 S. maltophilia were excluded. Of these, 29 bacteremic episodes in 26 patients were caused by MDR-GN organisms including 18 ESBL, 7 CRO, 1 ESBL and CRO, 3 non-ESBL/non-CRO cefepime-resistant MDR-GN. None of the CRO had carbapenemase genes detected. However, there was a patient with multiple sites of infection simultaneously with non-NDM CR Acinetobacter bacteremia and NDM-mediated CR-Klebsiella ventriculitis. The annual rate of MDR-GN bacteremia increased from 8% in 2017 to 12% in 2018. Almost half (48%) of episodes were community onset. Among these, all but one had underlying medical conditions with hospital exposure and most patients had central venous devices at the time of infection. 52% (15/29) episodes of MDR-GN bacteremia had IET. Despite IET, 47% (7/15) had negative blood cultures prior to initiation of effective therapy (6 ESBL and 1 P. aeruginosa). Various antibiotic regimens were used for CRO therapy as shown in Table 1. Conclusion In our institution, MDR-GN infection is increasing. As such, empiric meropenem is currently recommended in BMT or neutropenic patients with suspected sepsis. However, empiric meropenem must be used judiciously as its widely use will lead to more selection of MDR pathogens. It is essential to continue monitoring of these MDR-GN to guide appropriate empiric regimens. Disclosures All authors: No reported disclosures.

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Danmanee, Tanapoom, Kulit Na Nakorn, and Kultida Rojviboonchai. "CU-MAC: A Duty-Cycle MAC Protocol for Internet of Things in Wireless Sensor Networks." ECTI Transactions on Electrical Engineering, Electronics, and Communications 16, no. 2 (April 9, 2018): 30–43. http://dx.doi.org/10.37936/ecti-eec.2018162.171332.

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Nowadays “Internet of Things” or IoT becomes the most popular technology in the Internet system. Types of devices and sensors have been connected as a network of devices and sensors. While a wireless sensor network is a traditional network of sensors that can be considered as a beginning point of IoT systems. Currently, these sensor data are not only exchanged within a local network but also are delivered to other devices in the Internet. Consequently, well-known organizations such as IEEE, IETF, ITU-T and ISO/IET are trying to set standards for wireless sensor devices in IoT systems. The recommended standard utilizes many of internet stack standards such as CoAP, UDP and IP. However, the traditional design of WSNs is to avoid using internet protocol in the system to reduce transmission overhead and power consumption due to resource limitation. Fortunately, the current technology in both hardware and software allow the internet standard to sufficiently operate in a small sensor. In this paper, we propose a MAC protocol named CU-MAC to efficiently support IoT standard that need request-respond communication or bi-direction communication. CU-MAC uses multi-channel communication to perform continuous and bi-directional data transfer at low duty-cycle. It also has a mechanism to overcome the hidden terminal problem. We evaluated the performance of CU-MAC on both simulation and real testbed based on Contiki OS. The result shows that CU-MAC outperforms other existing MAC protocols in term of packet delivery ratio at 98.7% and requires lower duty-cycle than others to operate in the high traffic environment.

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Zhang, Li, Geng Liu, Bing Han, Zhe Wang, Yuzhou Yan, Jianbing Ma, and Pingping Wei. "Knee Joint Biomechanics in Physiological Conditions and How Pathologies Can Affect It: A Systematic Review." Applied Bionics and Biomechanics 2020 (April 4, 2020): 1–22. http://dx.doi.org/10.1155/2020/7451683.

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The knee joint, as the main lower limb motor joint, is the most vulnerable and susceptible joint. The knee injuries considerably impact the normal living ability and mental health of patients. Understanding the biomechanics of a normal and diseased knee joint is in urgent need for designing knee assistive devices and optimizing a rehabilitation exercise program. In this paper, we systematically searched electronic databases (from 2000 to November 2019) including ScienceDirect, Web of Science, PubMed, Google Scholar, and IEEE/IET Electronic Library for potentially relevant articles. After duplicates were removed and inclusion criteria applied to the titles, abstracts, and full text, 138 articles remained for review. The selected articles were divided into two groups to be analyzed. Firstly, the real movement of a normal knee joint and the normal knee biomechanics of four kinds of daily motions in the sagittal and coronal planes, which include normal walking, running, stair climbing, and sit-to-stand, were discussed and analyzed. Secondly, an overview of the current knowledge on the movement biomechanical effects of common knee musculoskeletal disorders and knee neurological disorders were provided. Finally, a discussion of the existing problems in the current studies and some recommendation for future research were presented. In general, this review reveals that there is no clear assessment about the biomechanics of normal and diseased knee joints at the current state of the art. The biomechanics properties could be significantly affected by knee musculoskeletal or neurological disorders. Deeper understanding of the biomechanics of the normal and diseased knee joint will still be an urgent need in the future.

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Smith, P. A., G. Dolman, T. W. Button, and M. Holker. "Ferrite helical devices." IET Microwaves, Antennas & Propagation 1, no. 4 (2007): 839. http://dx.doi.org/10.1049/iet-map:20060057.

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Saber, Md Ghulam, Luhua Xu, Rakibul Hasan Sagor, Yun Wang, Amar Kumar, Deng Mao, Eslam El-Fiky, et al. "Integrated polarisation handling devices." IET Optoelectronics 14, no. 3 (June 1, 2020): 109–19. http://dx.doi.org/10.1049/iet-opt.2019.0057.

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Trimberger, Steve. "Defect avoidance in programmable devices." IET Computers & Digital Techniques 9, no. 4 (July 2015): 188–89. http://dx.doi.org/10.1049/iet-cdt.2014.0155.

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Millán, J. "Wide band-gap power semiconductor devices." IET Circuits, Devices & Systems 1, no. 5 (2007): 372. http://dx.doi.org/10.1049/iet-cds:20070005.

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Jamal Deen, M., B. Bandyopadhyay, and Pradip Kumar Saha. "Editorial: Computers and devices for communication." IET Circuits, Devices & Systems 2, no. 1 (2008): 121. http://dx.doi.org/10.1049/iet-cds:20089002.

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Більше джерел

Дисертації з теми "IET-devices"

Дмитрієв, Вадим Сергійович. "Омічні та інжектуючі бар’єрні переходи до арсеніду галію". Doctoral thesis, Київ, 2019. https://ela.kpi.ua/handle/123456789/29304.

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Роботу виконано на кафедрі мікроелектронних інформаційних систем Інженерного інституту Запорізького національного університету Міністерства освіти і науки України.
Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.27.06 - Технологія, обладнання та виробництво електронної техніки. – Інженерний інститут Запорізького національного університету, Національний технічний університет України «Київський політехнічний інститут імені Ігоря Сікорського», 2019. Дисертаційну роботу присвячено розробці технології відтворюваного отримання омічних та інжектуючих бар’єрних переходів на основі срібла до арсеніду галію n-типу провідності. Розроблено технологію відтворюваного отримання омічних контактів Ag-Ge-In/n-n+GaAs, яка забезпечує лінійну ВАХ, коефіцієнт інжекції γ=0,07…0,00, контактний опір (5…7)∙10-5 Ом∙см2. Розроблено технологію відтворюваного отримання інжектуючих бар`єрних переходів Ag/n-n+GaAs з висотою потенційного бар’єру 0,98 В, коефіцієнтом інжекції γ =10-8, коефіцієнтом неідеальності η=1,087. Розроблені технології нанесення контактного матеріалу та режимів термообробки при створенні омічних та інжектуючих бар’єрних переходів рекомендуються до використання при виготовленні багатоелектродного МЕП-приладу з розширеними функціональними можливостями, до складу якого входять керуючі електроди, розташовані над областю розповсюдження біжучої хвилі.

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Частини книг з теми "IET-devices"

"Electrical Machines – Basic Operating Principles 3-117 Polyphase i.e. Three-Phase a.c. Supplies 3-120 Circuit Protective Devices 3-124 Circuit Protective Devices and Earth Fault Protection 3-125 Worksheet 1–8 (MC Questions) 3-127 Answers to Worksheets 1 to 8 3-133 4 Occupational Unit 4 (Level 2) Electrical Installation (Buildings and Structures) 4-135 EAW Regulations and Codes of Practice 4-136 IET Regulations (BS 7671) 4-144 Part 1. Deals with the Scope, Object and Fundamental Requirements for Safety 4-144 Part 2. Deals with Definition 4-144 Part 3. Deals with the Assessment of General Characteristics 4-144 Part 4. Deals with the Protection for Safety 4-145 Part 5. Deals with the Selection and Erection of Equipment 4-145 Part 6. Deals with Special Installations or Locations 4-145 Part 7. Deals with Inspection and Testing 4-146 IET Regulations (BS 7671) 4-147 Special Locations 4-150 Communication on Site 4-153 Choosing a Wiring System 4-154 Electrical Components used in Electrotechnical Systems 4-156 Secure Electrical Isolation 4-158 Measuring and Marking Out 4-159 Fixing and Installing Equipment 4-161 Tools and Equipment used for Electrical Installations 4-162 Correct Disposal of Waste Material 4-164 Worksheet 12 (MC Questions) 4-167 Answers to Worksheets 1 to 12 4-173 Level 3 Certificate in Electrotechnical Technology." In Electrical Installation Work Curriculum Support Pack, 4. Routledge, 2006. http://dx.doi.org/10.4324/9780080505145-2.

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Тези доповідей конференцій з теми "IET-devices"

Prokhorov, E. D., and D. V. Pavlenko. "Two-dimensional simulation of devices with IET and allowing impact ionization." In 2005 15th International Crimean Conference Microwave and Telecommunication Technology. IEEE, 2005. http://dx.doi.org/10.1109/crmico.2005.1565001.

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Prokhorov, E. D., and D. V. Pavlenko. "Modeling of the semiconductor devices with the IET and involving the impact ionization." In Proceedings of LFNM 2005. 7th International Conference on Laser and Optical-Fiber Networks Modeling. IEEE, 2005. http://dx.doi.org/10.1109/lfnm.2005.1553251.

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Majed, M. "Application of risk management for medical devices." In IET Seminar on Software for Medical Devices. IEE, 2006. http://dx.doi.org/10.1049/ic:20060140.

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Jarvis, L. "Placing UK health in perspective." In IET Seminar on Software for Medical Devices. IEE, 2006. http://dx.doi.org/10.1049/ic:20060139.

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Jordan, P. "Standard IEC 62304 - Medical device software - Software lifecycle processes." In IET Seminar on Software for Medical Devices. IEE, 2006. http://dx.doi.org/10.1049/ic:20060141.

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Mankovich, N. "Medical device security in hospital networks incorporating medical devices." In IET Seminar on Software for Medical Devices. IEE, 2006. http://dx.doi.org/10.1049/ic:20060142.

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Lindsey, D. "Proactively stopping the evolving threat to NHS trusts and medical devices." In IET Seminar on Software for Medical Devices. IEE, 2006. http://dx.doi.org/10.1049/ic:20060143.

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Cusick, G. "Medical software standards and the NHS." In IET Seminar on Software for Medical Devices. IEE, 2006. http://dx.doi.org/10.1049/ic:20060144.

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McElhinney, P., A. W. Cross, C. R. Donaldson, W. He, and I. Zhang. "W-Band Quasi-Optical Mode Converters for Gyro-Devices." In 2nd IET Annual Active and Passive RF Devices Seminar. Institution of Engineering and Technology, 2014. http://dx.doi.org/10.1049/ic.2014.0183.

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Donaldson, C. R., W. He, K. Ronald, A. D. R. Phelps, A. W. Cross, and L. Zhang. "Optimization of a Cusp Electron Gun for Millimeter Wave Gyro-Devices." In 2nd IET Annual Active and Passive RF Devices Seminar. Institution of Engineering and Technology, 2014. http://dx.doi.org/10.1049/ic.2014.0182.

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