200 devices from heat high voltage and electrical noise
IEC TR 62271 310 high voltage switchgear and controlgear electrical endurance testing for circu
... parameters for high- voltage switchgear and controlgear for rated voltages and above kV and less than 100 kV New 310 Electrical endurance testing for circuit-breakers of rated voltage 72,5 kV and above ... 62271-100, High- voltage switchgear and controlgear, Part 100: High- voltage alternating current circuit-breakers IEC 60427, Synthetic testing of high- voltage alternating current circuit-breakers Terms and ... aộriennes TR 62271-310 IEC :2004 17 HIGH- VOLTAGE SWITCHGEAR AND CONTROLGEAR Part 310: Electrical endurance testing for circuit-breakers of rated voltage 72,5 kV and above Scope This technical...
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Báo cáo khoa học: Structure–cytotoxicity relationships in bovine seminal ribonuclease: new insights from heat and chemical denaturation studies on variants ppt
... environment of Arg80 Residues that are less than A from the Arg80 side chain are indicated (15 and 16) and to regions 45–49 and 101–103, which ˚ are less than A from the Arg80 side chain The overlay of ... for BS-RNase and 59.0 °C for hA-BS-RNase, i.e very close to each other In turn, significantly lower, and comparable, Tm values of 54.3 °C and 53.6 °C were found for S80-hA-BS-RNase and S80-BS-RNase, ... ellipticity at 222 nm at a given temperature, and Qmax and Qmin are the maximum and minimum values of ellipticity corresponding to the denaturated state and native state of proteins, respectively...
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Báo cáo khoa học: Inhibition of Hsp90 function delays and impairs recovery from heat shock ppt
... Hsp90 and Hsp70 from samples h and h of recovery from heat shock The locations of Hsp68 and Grp78 (also referred to as Hsc72 in Drosophila) are indicated as well (B) Sectors containing Hsp22 and ... Journal 272 (2005 ) 5244–5256 ª 2005 FEBS R F Duncan Ansamycins inhibit heat shock recovery A B C D E F G H I FEBS Journal 272 (2005 ) 5244–5256 ª 2005 FEBS 5249 Ansamycins inhibit heat shock recovery ... coupled and both result from inadequate Hsp90 activity FEBS Journal 272 (2005 ) 5244–5256 ª 2005 FEBS B Fig Ansamycin treatment suppresses the recovery of normal protein synthesis following heat...
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IEC 62271 100 high voltage switchgear and controlgear high voltage alternating current circuit
... and dead tank circuit-breakers IEC 61634:1995, High- voltage switchgear and controlgear – Use and handling of sulphur hexafluoride (SF ) in high- voltage switchgear and controlgear IEC 62215, High- voltage ... less than 52 kV High- voltage switches for rated voltages of 52 kV and above High voltage alternating current switch-fuse combinations High- voltage alternating current contactors and contactor based ... switchgear and controlgear for rated voltages up to and including 38 kV Insulation-enclosed switchgear and controlgear for rated voltages up to and including 52 kV High- voltage/ low voltage prefabricated...
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IEC 62271 203 high voltage switchgear and controlgear gas insulated metal enclosed swithgear
... supply voltage of closing and opening devices and of auxiliary and control circuits (U a ) Subclause 4.8 of IEC 60694 is applicable 4.9 Rated supply frequency of closing and opening devices and ... short-circuit and switching test procedures for metal-enclosed and dead tank circuit-breakers IEC 61633 (303) Use and handling of sulphur hexafluoride (SF ) in high- voltage switchgear and controlgear ... and glass insulators for use in electrical equipment with rated voltages greater than 000 V IEC 62271-100, High- voltage switchgear and controlgear – Part 100: High- voltage alternatingcurrent circuit-breakers...
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IEC 62271 308 high voltage switchgear and controlgear guide to asymetrical shoet circuit breaki
... 60427 102 High- voltage alternating current disconnectors and earthing switches IEC 60129 103 High- voltage switches for rated voltages above kV and less than 52 kV IEC 60265-1 104 High- voltage switches ... switchgear and controlgear for rated voltages up to and including 52 kV IEC 60298 201 Insulation-enclosed switchgear and controlgear for rated voltages up to and including 52 kV IEC 60466 202 High- voltage/ low ... switches for rated voltages of 52 kV and above IEC 60265-2 105 High- voltage alternating current switch-fuse combinations IEC 60420 106 High- voltage alternating current contactors and contactor based...
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HEAT SHRINKABLE TERMINATION AND STRAIGHT JOINT Medium Voltage Heat Shrinkable Termination and Joint docx
... Medium Voltage Outdoor Termination Test item D.C voltage dry withstand,15min A.C voltage dry withstand,5min A.C voltage wet withstand,1min Partial discharge at ambient temperature Impulse voltage ... Nước Mưa HEAT SHRINKABLE TERMINATION AND STRAIGHT JOINT Technical Specification For Medium Voltage Indoor Termination Test item D.C .voltage dry withstand,15min A.C voltage dry withstand, 5min ... Impulse voltage at elevated temperature (10 positive and 10 negative,1.2/50μs) Heat cycling in air, cycles 5hrs heating, 3hrs cooling, at 95°C Partial discharge at elevated and ambient temperature Heat...
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Báo cáo y học: "Physiological properties of astroglial cell lines derived from mice with high (SAMP8) and low (SAMR1, ICR) levels of endogenous retrovirus" ppsx
... conjugated with fluorochromes (Zymed), anti-rabbit-FITC at 1 :200, anti-rat-FITC at 1 :200, anti-goat-TRITC at 1 :200 and anti-mouse-TRITC at 1 :200, were then applied After washing with PBS, cells were ... (Fig 1C and 1D) GAPDH and β-actin were included as concentration monitors for RT-PCR analysis and Western blot, respectively Astroglial cell lines were established from SAMR1, SAMP8 and ICR mice ... R1A1 and P8A9 is probably a function of the fact that the concentration of CAgag is higher in the P8 cell lines than in the R1 cell lines Release of CAgag protein and MuLV particles from R1A and...
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Báo cáo y học: " γδ T lymphocytes from cystic fibrosis patients and healthy donors are high TNF-α and IFN-γ-producers in response to Pseudomonas aeruginosa" pptx
... differences between controls and CFw, or between controls, CFp and CFn groups, but γδ T cells from CFp showed higher TNF-α and IFN-γ values than controls and CFn (Fig 5) We detected higher IFN-γ production ... (SC) A SC from 41 to 55 corresponds to moderate severity, from 56 to 70 to slight severity, from 71 to 85 to good status and from 86 to 100 to excellent status In our patients, SC ranged from 55 ... from Immunotech (Marseille France), anti-CD8-PerCP and anti-CD4-FITC (BD) or either antiVγ9 or anti-Vδ2-FITC from Immunotech were used PBMC Proliferation PBMC (2 × 105 / well) from controls and...
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BS 159 1992 high voltage busbars and busbar connections
... for high- voltage switchgear and controlgear standards BS 6926, Specification for copper for electrical purposes: high conductivity copper wire rod BS 7354, Code of practice for design of high- voltage ... 07/09 /2005 , Uncontrolled Copy, © BSI Scope This British Standard specifies requirements for both enclosed and open busbars and busbar connections which are components of a.c high- voltage electrical ... switchgear and controlgear for rated voltages above kV and up to and including 72.5 kV BS 5486, Low -voltage switchgear and controlgear assemblies BS 5486-1, Requirements for type-tested and partially...
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A study on lexical cohesive devices from some reading texts of the course book English for Business Study and pedagogical implications for teaching English for third year students at Trade Union University
... the count and percentage of each type and sub-type of cohesive devices are grouped in categories and according to the analytical purpose of the study 2.2 Analysis of lexical cohesive devices in ... 15: Stock and shares Sample text 3: Bonds Unit 16: Bonds Sample text 4: Market leaders, challengers and followers Unit 18: Market structure and competition Sample text 5: Taxation (and how to ... 1.1.5.2 Context of situation 1.2 Cohesion and coherence 1.2.1 Cohesion 1.2.2 Coherence 1.2.3 Cohesion and coherence 1.3 Cohesive devices 1.3.1 Cohesive devices 1.3.2 Classification 1.3.2.1 Referential...
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High efficiency and digitally controlled AC DC converter with power factor correction and fast output voltage regulation
... to thank Mr Woo Ying Chee and Mr Mukaya Chandra from the Electric Machines and Drives Laboratory for all the help in the ordering and searching of laboratory equipments and components They are ... variable and constant loss as shown in Fig 1.9 Variable loss is load dependent, and comes from conduction and switching losses in the components Constant loss is load independent, and comes from ... load under input voltages of 100VAC and 230VAC showing the output voltage vo at the PFC turn-off instant165 4.7 Simulation results at 0.007p.u load under input voltages of 100VAC and 230VAC showing...
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Exergoeconomic performance optimization of an endoreversible intercooled regenerated Brayton cogeneration plant Part 2: Heat conductance allocation and pressure ratio optimization
... U T , (uh )Π and π Π max, increase, and (ul )Π max, and (uk )Π max, max, decreases, (ui )Π max, decrease first and then increase Figures7 and show the characteristics of Π max, and (ηex )Π max, ... seen from Figure that Π max, and (ηex )Π of b It can be seen from Figure 10 that with the increase of b , (uh )Π increases, (ul )Π max, decreases, and (ui )Π max, and π Π max, max, max, and π ... i and π Π max, versus price ratio ( a ), respectively It can be seen from Figure that with the increase of a , Π max, increases, and (ηex )Π increases first and then decreases It can be seen from...
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Evaluation of heat pumps usage and energy savings in residential buildings
... method of heating (see Figure1), approximately 27% of the homes are using heat pumps, 33% are using gas heating, 11 % are using electrical furnaces, and 29% are using combined methods for heating ... Analysis and Discussion 3.1 Comparisons of Heat Pump and Electrical Furnace Heating Comparisons of two methods of heating (heat pump and electrical furnace) are conducted for a number of homes ... during the heating months The house originally has an electrical furnace and retrofitted to heat pump The figure shows the same trend for the two methods of heating The energy consumption is higher...
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a study on the problems in teaching english speaking skills to the minority students at sonla ethnic boarding high school and so
... Boarding High School and some Suggested Solutions with the hope to make a small contribution to the quality of teaching and learning speaking skills at Son La Ethnic Boarding High School Aims and ... language classrooms Breen and Candlin (1980) state that: The role of learner as negotiator- between the self, the learning process, and the object of learning- emerges from and interacts with the ... collected from the survey questionaires conducted on teachers and 140 minority students of Son La Ethnic Boarding High School The scheme and coding categories in this research emerged from an examination...
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Problems in learning english listening skill at high school and suggested solutions = những vấn đề trong việc học kĩ năng nghe tiếng anh ở trường phổ thông và các giải pháp gợi ý
... and Candlin (cited in Nguyen Thi Van Lam and Ngo Dinh Phuong, 2006 ) describe learner roles as negotiators - between the self, the learning process, and the object of learning - emerges from and ... and students and the real situations of teaching and learning English listening skill according to a survey done in three grades of a high school Besides, from this survey, some suggestions and ... language is for interaction and communication and the structure of language reflects its functional and communicative uses (cited in Nguyen Thi Van Lam and Ngo Dinh Phuong, 2007 ) Nowadays, this approach...
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Tài liệu From Data to Knowledge and Back Again: Understanding the Limitations of KMS pdf
... offered by Butler (2000 ) and Broendsted and Elkjaer (2001 ) who, following Boland et al (1994) and Pentland (1995), recognize the narrow focus of extant perspectives on knowledge and recommend a ... Knowledge and Process Management Recent research indicates that many knowledge management systems are unsuccessful (see Schultze and Boland, 2000 ), with Storey and Barnett (2000 ) reporting ... this assertion comes from Galliers and Newell (2001 ) who voice deep-seated concerns about the knowledge-management paradigm and its influence on the IS field Galliers and Newell (2001 , p 609) argue...
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Difficulties in english speaking skill encountered by 10th grade students at con cuong boarding high school and some suggested solutions
... disadvantages: It makes greater demands upon the professional training and linguistic and professional competence of teachers (Andrews (1983), Richard and Nunan (1991), and others) It may perplex students ... members, two teachers from ethnic minority and other from difference districts Four of them graduated from University of Languages and International Studies; the others graduated from Vinh University ... teaching approach - CLT, and the necessity of teaching and learning speaking skill in a communicative class, and Proficiency in the native language and the second language and the acquisition of...
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Tài liệu ime Control of a Three Phase 4 Wire PWM Inverter with Variable DC Link Voltage and Battery Storage for PV Application doc
... and a volta and nt age drop occurs which distorts the symm d metrical outp voltage To solve this problem th following put T s he measuremen were take m nts en • • a zer sequence current and voltage ... in figure To control i rd n o and sepa arately the co oupling elem ments b and d are decoupled b the matrix Fdc and AIdc so that d by xes and de epend only on a and c After removin A ng the coupling ... filter when the lo changes from r oad (Ru=Rv=60Ω , Rw =2000 ) to (Ru=Rv=20Ω , Rw =2000 Ω ) a indicated b an arrow in the lift Ω 0Ω R as by and sub diagram This shows the high dy m ynamic perfo ormance...
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Tài liệu FOREIGN BANK ENTRY AND BUSINESS VOLATILITY: EVIDENCE FROM U.S. STATES AND OTHER COUNTRIES docx
... mix of theory and evidence from both the U.S states and countries Our theory is based on the macroeconomic banking model in Holmstrom and Tirole (1997) Morgan, Rime, and Strahan (2003 ) use an ... relationship between charter value and risk, see Keeley (1990); Demsetz, Saidenberg, and Strahan (1996); Hellman, Murdock, and Stiglitz (2000 ); and Bergstresser (2001 ) This may explain why interstate ... of financial structure and regulation to subsequent economic growth and stability (Demirgüç-Kunt and Levine, 2002 ; Levine, 1999; Claessens, DemirgüçKunt and Huizinga, 2001 ) We were able to construct...
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