philosophy of quality systems and testing of electrical machines
Analysis of electrical machines and drive systems, second edition
Ngày tải lên: 16/02/2014, 19:02
guide to quality control and testing of high-strength concrete
... increases The quality of high-strength concrete is controlled by the quality and uniformity of the ingredients, and by the mixing, placing, and curing conditions A high level of quality control ... ultimate load of the cylinders Premature damage to testing machines and loss of calibration have occurred as a result of large numbers of explosive failures at high loads Testing machines should ... production and testing of high-strength concrete In the 1977 (Reapproved 1989) version of ACI 214, the numerical values of the standard deviation are related to evaluations of the quality of the...
Ngày tải lên: 24/10/2014, 21:59
Tài liệu quality systems and standards for a competitive edge ppt
Ngày tải lên: 21/02/2014, 08:20
QUALITY Software and Testing doc
... QUALITY Software and Testing 30 Toronto Association of Systems & Software Quality Quality Software and Testing QUALITY SOFTWARE AND TESTING and present Designing For Usability for Web-based and ... 100% of the tuition QUALITY Software and Testing 34 Toronto Association of Systems & Software Quality Quality Software and Testing QUALITY SOFTWARE AND TESTING Presents Just in Time (JIT) Testing ... IATA, Corporate ID 100217931 QUALITY Software and Testing 31 Quality Software and Testing Toronto Association of Systems & Software Quality QUALITY SOFTWARE AND TESTING DESIGNING FOR USABILITY...
Ngày tải lên: 23/03/2014, 16:21
Principles of electrical machines
... difference of two odd numbers viz., YB and YF (vi) If Z = number of armature conductors and P = number of poles, then, Polr - pitch = Z P Since YB and YF both must be about one pole pitch and differ ... upon the electrical resistance of core and system of units used Bmax = Maximum flux density in Wb/m2 f = Frequency of magnetic reversals in Hz t = Thickness of lamination in m V = Volume of core ... is equal to the number of slots or coils (or half the number of conductors) No of commutator segments = No of slots = No of coils It is because each coil has two ends and two coil connections...
Ngày tải lên: 09/03/2016, 08:11
Quality measurement and analysis of web based information systems
... quality of information products being supplied The quality of systems personnel and service The knowledge and involvement of systems personnel in the business Content of systems Accuracy of systems ... decades from Era of Data Processing (1960s), Era of Management of Information Systems (1970s and 1980s), and Era of Strategic Information Systems (1990s), to Era of Web-based Information Systems (since ... development of WIS quality assessment This is due to the complexity of information systems per se, in terms of the type of WIS, the type of users, and the characteristics of WIS Understanding users’...
Ngày tải lên: 16/09/2015, 17:11
Characterization and testing of nanofluid cooling technology for electronic systems
... Characterization and Testing of Nanofluid Cooling Technology for Electronic Systems Xue Zhengjun (B Eng, Shanghai Jiao Tong University) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF ... Summary of Al2O3-water Nanofluids……………… 138 Table 5.5 Summary of Simulation Results of Al2O3-water Nanofluids…… 138 Table 5.6 Property Summary of Al2O3-water Nanofluids……………… 143 Table 5.7 Summary of ... management systems of next generation high heat flux electronic systems This research intended to characterize the thermal conductivity of nanofluids and test the thermal performance improvement of liquid...
Ngày tải lên: 03/10/2015, 20:31
Principles of Digital Communication Systems and Computer Networks
... thức, entropy H = 4.07 bit/ký hiệu Lưu ý: Hãy xem xét câu sau: "I not knw wheter this is undrstandble." Mặc dù thực tế số chữ tích câu bạn làm câu văn Nói cách khác, có nhiều khả dự phòng văn ... hóa đặc biệt để khắc phục ảnh hưởng nhiễu Hai khía cạnh đưa Shannon báo “A Maththemathical Theroy of Communication” xuất năm 1948 Bell System Technical Journal - nơi đưa lý thuyết thông tin Shannon ... định lý quan trọng cho kỹ sư truyền thông Tài liệu tham khảo C E Shannon "A Mathematical Theory of Communication." Bell System Technical Journal, Vol 27, 1948 Tất kỹ sư truyền thông phải đọc báo...
Ngày tải lên: 18/09/2012, 10:13
A Study of Channel Estimation for OFDM Systems and System Capacity for MIMO-OFDM Systems
... the channel estimation for OFDM systems and system capacity for MIMO-OFDM systems, this chapter briefly introduces the background of OFDM systems and MIMO systems OFDM is an effective technology ... Synchronization of OFDM systems 38 2.2.5 Advantages and disadvantages of OFDM systems 39 2.3 MIMO systems 40 2.3.1 Basic MIMO system model 40 2.3.2 Functions of MIMO systems ... 2.2 OFDM systems 20 2.2.1 Basic principles and characteristics for OFDM systems 21 2.2.2 Peak-to-Average (PAR) of OFDM systems 30 2.2.3 Channel estimation for OFDM systems...
Ngày tải lên: 20/11/2012, 11:28
Massachusetts Institute of Technology Department of Electrical Engineering and Computer Science
... a t e random number i n [ , ) ∗/ double r e t = ( double ) rand ( ) ; return r e t / (RAND MAX+1); } i n t s a m p l e g e o m e t r i c r v ( double p ) { double q ; i n t n = ; { q = rand double ... implementing wc One of the ways to build a complex program is to develop it iteratively, solving one problem at a time and testing it throroughly For this problem, start with the following shell and then ... formatted data and generating a report One of the common formats for interchange of formatted data is ’tab delimited’ where each line corresponds to a single record The individual fields of the record...
Ngày tải lên: 25/04/2013, 08:07
Theory and Design of Electrical and Electronic Circuits
... resistance of the copper of the wire of the secondary resistance of losses for Foucault and hysteresis distributed capacitance of the winding of the primary distributed capacitance of the winding of ... voltage of PINCH-OFF or "strangulation of the channel" defined in the curves of exit of the transistor, whose module agrees numerically with the voltage of cut in the curves of input of the transistor ... of the secondary (primary open) inductance of dispersion of the primary L2 (1-k) / n2 R1 R2 R0 C1 C2 inductance of reflected dispersion of the secondary resistance of the copper of the wire of...
Ngày tải lên: 23/10/2013, 16:15
Electronics - Theory and Design of Electrical and Electronic Circuits
... resistance of the copper of the wire of the secondary resistance of losses for Foucault and hysteresis distributed capacitance of the winding of the primary distributed capacitance of the winding of ... voltage of PINCH-OFF or "strangulation of the channel" defined in the curves of exit of the transistor, whose module agrees numerically with the voltage of cut in the curves of input of the transistor ... of the secondary (primary open) inductance of dispersion of the primary L2 (1-k) / n2 R1 R2 R0 C1 C2 inductance of reflected dispersion of the secondary resistance of the copper of the wire of...
Ngày tải lên: 27/10/2013, 16:15
Tài liệu Financial Systems and Auditing Test of Control ppt
... of authorization of all adjustments to payables ledger Payables ledger control account Evidence of review of reconciliation of purchase ledger listing Evidence of authorization of adjustments to ... Evidence of a sequence check Purchase Invoice Serial numbering Evidence of sequence check Evidence of matching purchase invoices with GRNs and purchase order Evidence for checking casts, extensions and ... All outstanding order are kept on the file for chasing May miss out on bulk discounts Best price and quality not obtained Separate ordering department, who plan orders to take accounts of discounts...
Ngày tải lên: 22/12/2013, 15:15
iec 60364-5-54 electrical installations of buildings - selection and erection of electrical equip
... Selection and erection of electrical equipment Chapter 51 : Common Rules Current-carrying capacities of conductors for electrical installations of buildings 449 (1973) Voltage bands for electrical ... Licensed by Information Handling Services ELECTRICAL INSTALLATIONS OF BUILDINGS Part 5: Selection and erection of electrical equipment Chapter 54 : Earthing arrangements and protective conductors ... Information Handling Services INTERNATIONAL ELECTROTECHNICAL COMMISSION ELECTRICAL INSTALLATIONS OF BUILDINGS Part 5: Selection and erection of electrical equipment Chapter 54 : Earthing arrangements and...
Ngày tải lên: 25/12/2013, 11:03
iec 60364-5-548 electrical installations of buildings - selection and erection of electrical equi
... Information Handling Services 60364-5-548 O IEC: 1996+A :1998 -7- ELECTRICAL INSTALLATIONS OF BUILDINGS - Part 5: Selection and erection of electrical equipment - Section 548: Earthing arrangements and ... installations of buildings IEC 60364-5-51 :1994, Electrical installations of buildings - Part 5: Selection and erection electrical equipment - Chapter 51: Common rules of IEC 60364-5-54:1980, Electrical ... NationalCommitteesundertaketoapplyIECInternational Standards transparentlythe to maximum extent possible national regional in their and standards Any divergencebetweentheIECStandardandthecorrespondingnational or regionalstandardshallbeclearly...
Ngày tải lên: 25/12/2013, 11:04
Tài liệu Principles And Applications Of Electrical Engineering P2 pdf
... for example, in three of the four quadrants of the i-v characteristic and can therefore act as sources of energy for specific combinations of voltages and currents An example of this dual behavior ... amount of resistance, the magnitude of which depends on Part I Circuits the electrical properties of the material Resistance to the flow of current may be undesired—for example, in the case of lead ... circuits and instruments EXAMPLE 2.7 Application of Kirchhoff’s Laws Problem Apply both KVL and KCL to each of the two circuits depicted in Figure 2.27 Solution Known Quantities: Current and voltage...
Ngày tải lên: 19/01/2014, 19:20