... To drive the MOSFETs, a driver must be used that amplifies the signal from the dsPIC DSC device and drives the gates of MOSFETs The gate of a MOSFET behaves like a capacitor The MOSFET drain-to-source ... dissipation on the MOSFETs is then Ptot = Poff + PC, and it is estimated to be 55W per leg Now the MOSFETs can be selected In the reference design, a TO-220 package is used for the MOSFETs Typical ... the MOSFET For the selected MOSFETs: • VGS = ±20V • VGS(TH) = 2-4V • CG(TOT) = 10.7 nF Driver continuous supply current is calculated using Equation 40 Where n is the number of parallel MOSFETs...
Ngày tải lên: 11/01/2016, 17:05
... of data, and drafting of the manuscript TB contributed to the acquisition of data, the conception and design of the study, and critical revision of the manuscript MP, TR, RT, HU, TS, NA, MR, JM, ... of the manuscript CM made substantial contributions to the conception and design of the study, analysis and interpretation of data, and drafting and critical revision of the manuscript All authors ... drafting and critical revision of the manuscript All authors read and approved the final manuscript Competing interests CM has received research support from the Swiss National Science Foundation...
Ngày tải lên: 14/08/2014, 07:21
A study on the problem face by students in reading English for business at University of Economics and Business administration-Thai Nguyen University and some i
... ECONOMICS AND BUSINESS ADMINSTRATION – THAI NGUYEN UNIVERSITY AND SOME IMPLICATIONS Tìm hiểu khó khăn việc đọc hiểu tiếng Anh Thương mại sinh viên trường Đại học Kinh tế Quản trị Kinh doanh – Đại ... situation of ESP teaching and learning at TUEBA; students’ problems and their causes As such, descriptive statistics of simple percentages will be used The instruments used to develop this study ... (TUEBA) In order to sense the aim of the thesis, this chapter is expected to give an overall description of factual teaching and learning ESP in the aspects of objectives, materials, teachers and...
Ngày tải lên: 28/03/2015, 09:32
Parallel i o system for a clustered computing environment
... decide how this data will be distributed in the striping scheme [7]: Stripe factor This term means the number of disks in striping It determines the striping degree and further determines the parallelism ... system XOR data bit by bit in these sub-stripes to write an additional parity sub-stripe to the parity disk When each write request is operated, the whole stripe with parity is written to the disk ... small striping size will get a better performance; for the latter, a big striping size will reduce the frequency of sending read/write request Therefore, some parallel file systems set striping...
Ngày tải lên: 28/11/2015, 13:26
Tài liệu METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER ppt
... analytical system complete with column supplies, high pressure syringes, detectors, and compatible strip-chart recorder A data system is recommended for measuring peak areas and retention times 5.6.1 ... injection and all required accessories including syringes, analytical columns, gases, detector, and strip-chart recorder A data system is recommended for measuring peak areas 5.7.1 Column—1.8 m long...
Ngày tải lên: 14/02/2014, 03:20
Tài liệu METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER doc
... injection and all required accessories including syringes, analytical columns, gases, detector, and strip-chart recorder A data system is recommended for measuring peak areas 5.4.1 Column 1—10 ft long...
Ngày tải lên: 14/02/2014, 03:20
Tài liệu Báo cáo khoa học: Evidence for interactions between domains of TatA and TatB from mutagenesis of the TatABC subunits of the twin-arginine translocase docx
... described as completely or partially 2270 A B Fig Effects of mutations in the periplasmic loops of TatC Mutations in the three periplasmic loops of TatC (numbers indicated above the lanes) were assessed ... localization of TMAO reductase (TorA), a known periplasmic Tat substrate, or by determining the location of a TorA-GFP construct that is exported to the periplasm in wild-type cells For the TorA assays, ... (Fig 2B) In pEXT-ABC-expressing cells, the bulk of GFP is found as mature-size protein in the periplasm (P), whereas GFP is found only in the cytoplasm and membrane fractions (C, F) in cells expressing...
Ngày tải lên: 19/02/2014, 17:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER pot
Ngày tải lên: 05/03/2014, 21:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 604—PHENOLS docx
... injection and all required accessories including syringes, analytical columns, gases, detector, and strip-chart recorder A data system is recommended for measuring peak areas 5.6.1 Column for underivatized...
Ngày tải lên: 05/03/2014, 21:20
Báo cáo khoa học: A new molecular tool for transgenic diatoms Control of mRNA and protein biosynthesis by an inducible promoter–terminator cassette docx
... expression can be simply regulated at the transcriptional level by varying the nitrogen source in the medium (Fig 4) Regulation of the NR gene transcript in C fusiformis is similar to the green ... for post-transcriptional regulation in a diatom, we assume that this effect is mediated by regions in the CfNR-derived 5¢UTR or 3¢-UTR of the gfp mRNA Nutrient-dependent, post-transcriptional regulation ... of the pUC18 ⁄ fcp1.9kb plasmid was subcloned into the KpnI–PstI sites of pBluescriptII SK+, generating pBluescript ⁄ fcp1.9kb To introduce a cloning site between the 5¢-UTR and 3¢-UTR of the...
Ngày tải lên: 07/03/2014, 21:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 605—BENZIDINES pdf
Ngày tải lên: 14/03/2014, 20:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 611—HALOETHERS potx
... Laboratories Quant test strips (Available from Scientific Products Co., Cat No P1126-8, and other suppliers.) Procedures recommended for removal of peroxides are provided with the test strips After cleanup, ... injection and all required accessories including syringes, analytical columns, gases, detector, and strip-chart recorder A data system is recommended for measuring peak areas 5.6.1 Column 1—1.8 m long...
Ngày tải lên: 14/03/2014, 20:20
The Report of the Task Force on Financial Mechanisms for ICT for Development - A review of trends and an analysis of gaps and promising practices ppt
... are unlikely to return to the heights of the late 1990s any time soon Production of Hardware, Peripherals and other ICT goods There are other components of ICT for development besides telecommunications ... precise figures are difficult to quantify Many of the manufacturers of computer hardware and peripherals, and particularly microchips, have begun locating plants in developing countries, in particular...
Ngày tải lên: 15/03/2014, 19:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 607—NITROSAMINES docx
... Quant test strips (Available from Scientific Products Co., Cat No P1126-8, and other suppliers.) 6.8.2 Procedures recommended for removal of peroxides are provided with the test strips After cleanup, ... injection and all required accessories including syringes, analytical columns, gases, detector, and strip-chart recorder A data system is recommended for measuring peak areas 5.6.1 Column 1—1.8 m long...
Ngày tải lên: 22/03/2014, 14:20
Future R&D Environments A Report for the National Institute of Standards and Technology potx
... objectivity, evidence, and responsiveness to the study charge The review comments and draft manuscript remain confidential to protect the integrity of the deliberative process We wish to thank the ... has focused on these three fields, identifying the subfields within each that seem particularly ripe for major advances or breakthroughs in the next decade To ensure that this division into fields...
Ngày tải lên: 23/03/2014, 01:20
Procedures for the Proper Disposition of Equipment and Materials Through Lion Surplus pot
... biological, or radioactive material must be cleaned prior to submission to Lion Surplus The descriptions provided on the following pages are examples of the types of hazards and potential items ... Radiation Protection II Items Prohibited from Sale or Transfer A Asbestos Containing Material (ACM) Description a Asbestos is a naturally occurring fibrous mineral that was used extensively for its insulating ... Environmental Protection ~ Occupational Health and Safety ~ Radiation Protection B Batteries Description a Expended batteries such as nickel-cadmium, lithium ion, and those found in uninterrupted...
Ngày tải lên: 23/03/2014, 23:20
METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER doc
... mode, and producing a mass spectrum which meets all the criteria in Table when 50 ng of decafluorotriphenyl phosphine (DFTPP; bis(perfluorophenyl) phenyl phosphine) is injected through the GC inlet...
Ngày tải lên: 28/03/2014, 19:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER ppt
Ngày tải lên: 28/03/2014, 20:20
COLLATERAL, TYPE OF LENDER AND RELATIONSHIP BANKING AS DETERMINANTS OF CREDIT RISK pptx
... amount is less than 5% of the total credit drawn down, it is not considered to be unpaid 3.1 Descriptive analysis of the population As can be seen in Table 1, the number of observations available ... and region distributions are not shown in Table in order to alleviate the presentation of the descriptive analysis 10 A comprehensive analysis of discrete choice models (including the logit model...
Ngày tải lên: 29/03/2014, 08:20
Báo cáo khoa học nông nghiệp " POST HARVEST MANAGEMENT AND NEW APPROACH FOR SUPPLY CHAIN SYSTEM OF CABBAGE AND WATER MELON " doc
Ngày tải lên: 21/06/2014, 04:20