electric field strength at conductor surfaces and at ground level
Tài liệu tiếng anh Điện tử công suất mạch MERS Series connected power flow control using magnetic energy recovery switch
Ngày tải lên :
15/10/2013, 16:12
... capacitor is estimated and the deviation between the estimated and the limitation voltage, VLimit, is fed into a PI controller The resulting reactance set-point, X,, is filtered and used in the ... implementation has been based on a dqtransform type configuration [12], and was tuned such that III EXPERIMENTAL SETUP In order to investigate the performance and stability of the proposed configuration, ... 1024-1034, 1991 [3] M C Hall and D A Hodges, "Experience with 500kv subsynchronous resonance and resulting turbine generator shaft damage at mohave generating station," IEEE Publication 76 CHI066-0-PWR,...
- 8
- 504
- 0
Báo cáo "Reseach on the removal of hexavalent chromium from aqueous solution by iron nanoparticles " doc
Ngày tải lên :
14/03/2014, 10:20
... Science, Natural Sciences and Technology 24 (2008) 233-237 effectiveness of Cr(VI) reduction by nanoiron and iron powder Results and discussion 3.1 Characterization of Fe0 nanoparticles Materials and ... increased inversely with the concentration of initial Cr(VI) After 20 minutes, the removal is 100% at concentration of 2mg/l and 69.32% at concentration of 5mg/l When treatment time increased then Cr(VI) ... concentration on the rate of Cr(VI) Fig shows that, Cr(VI) removal efficiency increased with Fe0 concentration When the Fe0 concentration was 0.3g/l, after 10 minutes, 100% Cr(VI) of concentration...
- 5
- 365
- 0
Báo cáo " Hazard removal solution by synchronization " pdf
Ngày tải lên :
14/03/2014, 13:20
... that the setup and hold times for flip-flops y0 and y1 are easily met The circuit operates normally When RDY goes to and the circuit reaches state S0, it waits in state S0 until RDY goes to At ... then proceeds to state S2 and back to S0 When y0 resets to 0, but y1 fails to set to 1, giving state (0,0,0) Since there is no to circulate among the flip-flops, the state remains at (0,0,0) The ... circuit is locked in this state and has failed When y1 sets and y0 fails to reset, giving state (1,1,0) There are now two 1s circulating among the flip-flops, giving state sequence 110, 011, 101...
- 6
- 180
- 0
Official Report Of The Exploration Of The Queen Charlotte Islands For The Government Of British Columbia (dodo Press) By Newton H. Chittenden potx
Ngày tải lên :
23/03/2014, 10:21
... Graham Island, approximately, as reported by Captain Marchand ***** General Physical Features High steep mountains, dense and almost unbroken forests, islands and islets in great number and water-ways ... Faraday and Huxley Islands, all lying off the east coast of Moresby; Maud and South Islands in Skidegate Inlet; Cub, Edward Kwa-kans, Wat-hoo-us and Multoos of Masset Inlet and Sound; Frederick and ... Island, I proceeded from Skidegate by canoe southward, circumnavigating the islands above mentioned, and also crossing them from shore to shore at two different points, and penetrating inland...
- 77
- 343
- 0
MCITP Exam 70-444 Optimizing and Maintaining A Database Administration Solution by Using Microsoft SQL Server 2005 pot
Ngày tải lên :
28/03/2014, 19:20
... performance of database servers and databases ■ Optimize and implement a data recovery plan for a database ■ Design a strategy to monitor and maintain a database solution ■ Design a database data management ... Hansford, and our indexing coordinators, Patty Masserman and Shawn Peck Few creatures are more antisocial than an author in mid-book As always, we are truly grateful to our wives, Oksana Thomas and ... solutions, automating administrative procedures, defining security solutions, designing and executing deployments, and monitoring and troubleshooting database servers We assume that before you...
- 775
- 3.5K
- 0
báo cáo hóa học: " Relationship between oxygen supply and cerebral blood flow assessed by transcranial Doppler and near – infrared spectroscopy in healthy subjects during breath – holding" doc
Ngày tải lên :
19/06/2014, 10:20
... estimated correlation coefficients The BHIO2 and BHICO2 did not show any correlation with BHIV The variation of the O2Hb concentration, which is greater than that of CO2Hb, has a greater correlation ... ripple in the stop band, cutoff frequency equal to 50 mHz and at least 30 dB of discrimination) and set the initial concentrations equal to zero The O2Hb and CO2Hb concentration signals were then ... whose TCD and NIRS data are compared to our normative data A validation of these result is not straightforward: there are no studies, that we are aware of, that derived such bidimensional patterns...
- 13
- 517
- 0
Báo cáo hóa học: " Evaluating interaction forces between BSA and rabbit anti-BSA in sulphathiazole sodium, tylosin and levofloxacin solution by AFM" potx
Ngày tải lên :
20/06/2014, 22:20
... the AFM measurement and data analysis JW conceived of the study, and participated in its design and coordination LD participated in the revising the manuscript All authors read and approved the ... deposition Evaporation rates were 0.1-0.3 nm/s, and the final thickness of the gold films was approx 200 nm A chromium layer was also vapor deposited and sandwiched between the gold and mica to strengthen ... forces between BSA and rabbit anti-BSA were measured repeated for 50-55 times at each of several randomly chosen locations of the BSA monolayer in PBS, and the mean (μ m ) and variance ( σm )...
- 9
- 426
- 0
The Project Gutenberg EBook of Applied Psychology: Driving Power of Thought, by Warren Hilton ppt
Ngày tải lên :
28/06/2014, 17:20
... element in common, and that is that they all relate to those mental operations by which sense-perceptions, causal judgments, and even classifying judgments, past, present and imaginative, are grouped, ... environment that prescribes your conduct and defines your career is wholly mental, the product of your own selective attention, and that it is capable of such deliberate molding and adjustment ... experience from your first infantile sensation, and knew also just what you are thinking of at the present moment, we could predict to a mathematical certainty just what ideas would next appear on the...
- 165
- 398
- 0
POWER QUALITY Edited by Andreas Eberhard
Ngày tải lên :
27/07/2014, 23:42
... referred to θ = θrat ∆θ = temperature rise in relation to θrat in Celsius = cable rated temperature in Kelvin θrat K = Boltzmann constant E = material's activation energy Laboratory measurement ... information related to the calculation (such as knowledge of network’s operating conditions, various devices’ operating conditions and absorbed power levels, the variation rate of the electrical ... current In Thermal degradation of an electric device is mainly caused by temperature rise beyond the rated value When the operating temperature deviates from the rated temperature, the life expectancy...
- 376
- 801
- 12
Báo cáo vật lý: "Electrochemical Studies of Mild Steel Corrosion Inhibition in Aqueous Solution by Uncaria gambir Extract" doc
Ngày tải lên :
07/08/2014, 14:20
... fruits and plants such as tea leaves, wine and potatoes.5 Interestingly, catechin exhibits an anti-oxidative activity that stops oxidation and corrosion, the deterioration process and discoloration.6 ... proved that the ethyl acetate extract of U gambir displays inhibitor properties that work best at a concentration of 150 ppm and at a pH of The polarisation measurement demonstrates that the extract ... characterisation includes the determination of the polarisation resistance (Rp), corrosion rate and the electrochemical mechanism The usefulness of these data permits the analysis of the alternating...
- 13
- 498
- 0
Báo cáo khoa học: "Changes in aortic blood flow induced by passive leg raising predict fluid responsiveness in critically ill patients" ppsx
Ngày tải lên :
13/08/2014, 03:20
... failure requiring VE Materials and methods Patients The study patients were (1) intubated, mechanically ventilated in a volume-controlled mode, and fully sedated, (2) in acute circulatory failure, (3) ... was to evaluate and compare the relative ability of variations of ABF during PLR, LVETc and ∆PP to predict fluid responsiveness in mechanically-ventilated patients with acute circulatory failure ... for heart rate; ∆PP = respiratory variation of pulse pressure Discussion Our study demonstrates mainly that fluid responsiveness in mechanically ventilated patients with acute circulatory failure...
- 8
- 204
- 0
Nonlinear equations and their solution by iteration
Ngày tải lên :
16/02/2015, 19:32
... the operator equation (5.0.1) and the possibility of approximating the solution u by the following iterative method Pick an initial guess u0 ∈ K, and define a sequence {un } by the iteration formula ... relations between the spectral radius and norms of a matrix A ∈ Rm×m rσ (A) ≤ A for any matrix operator norm · This result follows immediately from the definition of rσ (A), the defining relation ... relation of an eigenvalue, and the fact that the matrix norm · is generated by a vector norm For any ε > 0, there exists a matrix operator norm rσ (A) ≤ A A,ε · A,ε such that ≤ rσ (A) + ε For a proof,...
- 47
- 240
- 0
Phương pháp NewTon - Raphson giải hệ phương trình phi tuyến
Ngày tải lên :
22/07/2015, 23:38
... · · · · an1 an2 ann 0 · · (1.4) 14 Bằng cách biến đổi sơ cấp lên hàng matrận [ A, I ] ta ma trận dạng: 0 · · 0 Khi đó: C1,n+1 C1,n+2 C1,2n C2,n+1 ... 0.0001; 30 kmax := 15; dk := 1; f1 := f1 (x0 , y0 ); f2 := f2 (x0 , y0 ); k := 1; write( (k < kmax ) and (dk = 1) ) begin A[1, 1] := df1 x(x0 , y0 ); A[1, 2] := df1 y(x0 , y0 ); A[2, 1] := df2 x(x0...
- 63
- 2K
- 5
Sự kết hợp giữa phương pháp sai phân và phương pháp newton raphson giải phương trình vi phân tuyến tính
Ngày tải lên :
10/09/2015, 09:23
... khổng gian mảtric x, y C[a,b] , d (x, y) = max |x (t) y (t)| atb 1.4.2.2 Khổng gian C[a, b] l khổng gian nh chuân x = max |x (t)| atb 1.4.2.3 Khổng gian C[a,b] l khổng gian Banach 1.4.2.4 Khổng ... C[a,b] , x < n C[a,b] l khổng gian ám ữủc chuân vợi hồ chuân trũng v trũng vợi x = max |x (t)| atb n 1.4.3 Khổng gian C[a,b] n Khổng gian C[a,b] gỗm tĐt cÊ cĂc hm x (t) xĂc nh trản oÔn [a, ... cõ Ôo hm liản tửc án cĐp n, vợi chuân ữủc xĂc nh bi: x = max |x (t)| , |x (t)| , , x(n) (t) atb 15 1.5 Mởt số khĂi niằm v tẵnh chĐt cừa sai phƠn 1.5.1 KhĂi niằm sai phƠn nh nghắa 1.11 GiÊ...
- 76
- 392
- 0
Luận văn sự kết hợp giữa phương pháp sai phân và phương pháp newton raphson giải phương trình vi phân tuyến tính
Ngày tải lên :
10/09/2015, 10:23
... trang; iiiLn D trờn cựng nit h trc ta nh Hỡnh di õy, > with [plots); > with (pbttwb); 95 LiiipLLdtpLat (|y+x.*y"2- t>*x."20+.2*2-1}*.2 0} 96 HèLih 21; 97 JNh.iii vo th ta chn xp XI ban u L X =...
- 57
- 454
- 0
Metabolomic study of water hyacinth exposed to CuCI2, FeCI3, Na2HPO4 solution by GC m
Ngày tải lên :
30/09/2015, 10:13
... sample preparation, data collection, data analysis and interpretation The sample preparation is composed of sample extraction, pretreatment and compounds separation After extracted by water or organic ... and specificity of MS Later period of Metabolomics research is to interpretate the biological significance of data based on data analysis and interpretation with the aid of bioinformatics platform ... cottonseed sugar was activated, and low level change of sucrose and a small amount of stress-related trehalose change Proline and related gene expression level improved, and the expression amount...
- 55
- 281
- 0
CHƯƠNG IX PHÂN bố CÔNG SUẤT TRONG hệ THỐNG (POWER FLOW)
Ngày tải lên :
15/10/2015, 07:05
... suất tác dụng máy phát xác định ELD TÍNH CÔNG SUẤT NÚT (tt) 1.Gauss – Seidel 2.Newton-Raphson Iteration NHỮNG NỘI DUNG CẦN NHỚ ...
- 17
- 696
- 0