series impedances three phase line with neutral conductors and earth return
Tài liệu tiếng anh Điện tử công suất mạch MERS Series connected power flow control using magnetic energy recovery switch
... various currents with the series voltage, Vi, set equal to one (Fig 5) One line shows the distortion with optimized VC,min/I and iy combinations, and the other shows the case with iy equal zero ... diodes and a dc-capacitor For a three phase circuit there will be one MERS per phase In principle, the MERS configuration is the same as a single -phase full bridge inverter, but the application and ... II-B and consists of controlling the minimum capacitor voltage and the phase lag The basic task of the primary control system is to perform this control with given Vc,min and -y set-points in a three...
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Báo cáo "Reseach on the removal of hexavalent chromium from aqueous solution by iron nanoparticles " doc
... 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 methods ... Fig.1 TEM image of iron nanoparticsls The Fe nanoparticles were then rinsed 3-4 times with deionized water and dried in vacuum drier at the temperature of 30C overnight 2.2 Experiments The experiments ... Analytical methods Cr(VI) was determined spectrophotometrically with diphenylcarbazide at 540 nm using UVVIS spectrophotometer (china) The size and size distribution of iron nanoparticles were characterized...
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Báo cáo " Hazard removal solution by synchronization " pdf
... flip-flops in series to deal with this problem More common is the use of two to three flip-flops in series The more flip-flops, the more the circuit response to a change is delayed and the less ... wrappers Thus, with a system of digital circuits such as series circuits and GALS circuits, it is possible to remove errors, glitches and hazards by synchronization of asynchronous signals and synchronous ... Circuit with Synchronizing D Flip-flop Added In Figure 2, D flip-flop has been added to the example circuit The asynchronous signal RDY enters the D flip-flop and RDY_S, its output, is synchronous with...
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Official Report Of The Exploration Of The Queen Charlotte Islands For The Government Of British Columbia (dodo Press) By Newton H. Chittenden potx
... Harbor and Skidegate Inlet and channel are also generally low and sandy With the exception of the north and eastern portion of Graham Island, the base of the mountains reaching down to the sea, with ... North and Graham Islands, a mileand-a-half in width, and two miles -and- a-half in length, Skidegate Inlet and Channel separating Graham from Moresby Island, together thirty-five miles in length, and ... Graham island ***** Official Report of the Exploration of the Queen Charlotte Islands Agricultural and Grazing Lands There are about fifteen thousand acres of clear land upon the islands on and near...
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MCITP Exam 70-444 Optimizing and Maintaining A Database Administration Solution by Using Microsoft SQL Server 2005 pot
... CD and DVD A companion CD and an evaluation software DVD are included with this training kit The companion CD contains the following: You can reinforce your understanding of how to optimize and ... Monitor and Performance Logs and Alerts In routine performance monitoring—described in Chapter 5, “Performance Monitoring”— you compare the results obtained with performance baselines to determine and ... and develop, or implement and support, solutions with Microsoft products and technologies Computer professionals who become Microsoft-certified are recognized as experts and are sought after industry-wide...
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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
... Initial phase with concentration similar to the baseline values; 2) onset of vasoreactivity with strong O2Hb increase; 3) end of the vasoreactivity and plateau region for the O2Hb concentration, with ... progressively and almost linearly increases while BH is maintained and then quickly recovers baseline conditions after breath release NIRS recordings Changes in the concentrations of O2Hb and CO2Hb ... concentration changes during BH of a O2Hb and O2Hb and CO2Hb concentration changes during BH of a healthy subject Time course of the O2Hb (blue line) and CO2Hb (red line) concentration signals during...
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Báo cáo hóa học: " Evaluating interaction forces between BSA and rabbit anti-BSA in sulphathiazole sodium, tylosin and levofloxacin solution by AFM" potx
... BSA and rabbit anti-BSA was investigated by AFM in PBS and three antimicrobial Figure The specific and nonspecific forces between BSA and rabbit anti-BSA with changing concentrations of the three ... Table 1, and then plotted with linear regression The specific force between a single pair of BSA and rabbit anti-BSA, F i and the nonspecific force, F0 in PBS and the three drug solutions are ... at each of several randomly chosen locations of the BSA monolayer in PBS, and the mean (μ m ) and variance ( σm ) of these measurements are given in Table 1, and plotted with linear regression...
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The Project Gutenberg EBook of Applied Psychology: Driving Power of Thought, by Warren Hilton ppt
... judgments and ideas are classified and stored away, and the order in which they are brought forth into consciousness depends upon what other judgments and ideas they have been associated with most ... present and past experience We carefully and thoroughly catalogue them into groups, divisions and subdivisions for convenient and ready reference This we by the processes of memory, of association and ... principles for yourself Try them out and see whether the elements of habit, contiguity, recency and intensity not determine all questions of association Brands and Tags If you wanted to buy a house,...
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POWER QUALITY Edited by Andreas Eberhard
... cable’s conductor with linear and nonlinear loads (b) Increase of neutral currents with increasing fundamental current loadings Fig Accelerated temperature rise in a cable with nonlinear loading ... set-up currents (5A, 10A, 15A and 20A) are applied to the liner as well as the nonlinear loads Incandescent lamps are used to represent linear load and PCs for nonlinear loads (that have total ... for different loadings conditions with linear and nonlinear loads respectively In the test, a 4x2.5 mm2 XVB-F2 type cable with copper conductor, PVC insulation and extruded polyethylene shield...
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Báo cáo vật lý: "Electrochemical Studies of Mild Steel Corrosion Inhibition in Aqueous Solution by Uncaria gambir Extract" doc
... 0.15, and cm cm mm in dimension The specimens were first polished to a mirror finish using 400 and 800 grit emery paper, immersed in methanol and finally washed with double distilled water and ... mild steel in pH aqueous solutions with and without inhibitors for various concentrations were summarised in Figure and Table 3, whereas the corrosion potential and the various kinetic data for ... active inhibitor and complexes with the mild steel surface (Table and Fig 7) (a) (b) Figure 6: SEM micrographs of mild steel in (a) fresh steel, (b) without inhibitor, ppm (c) with inhibitor,...
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Báo cáo khoa học: "Changes in aortic blood flow induced by passive leg raising predict fluid responsiveness in critically ill patients" ppsx
... non-responders (Tables and 3) An LVETc of 245 ms or less predicted fluid responsiveness with a sensitivity of 70% and a specificity of 67% The corresponding VPP and VPN were 60% and 66%, respectively ... maneuver, has been proposed by Boulain and col- Boxplots and individual values of responders and non-responders change in ABF, LVETc and ∆PP in responders and non-responders Abbreviations: ABF ... comparisons of hemodynamic parameters between responders and non-responders were assessed with the Mann–Whitney U test Linear correlations were tested with the Spearman rank method Receiver operating...
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Nonlinear equations and their solution by iteration
... continuity of the solution with respect to the right hand side From T (u1 ) = b1 and T (u2 ) = b2 , we obtain T (u1 ) − T (u2 ) = b1 − b2 206 Nonlinear Equations and Their Solution by Iteration ... 5.3.11 Let U and V be real Banach spaces, and let F : K ⊂ U → V with K an open set Assume F is differentiable on K and that F (u) is a continuous function of u on K to L(U, V ) Let u, w ∈ K and assume ... the linear Taylor approximation for a nonlinear function A proof similar to the above can be given for this lemma Proposition 5.3.13 Let U and V be real Banach spaces, and let F : K ⊂ U → V with...
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Phương pháp NewTon - Raphson giải hệ phương trình phi tuyến
... 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...
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Sự kết hợp giữa phương pháp sai phân và phương pháp newton raphson giải phương trình vi phân tuyến tính
... hm y + xy 6x2 = + x2 y 5x2 = miãn D trản mởt hằ trửc tồa ở nhữ Hẳnh 2.1 dữợi Ơy > with (plots); > with (plottools); > implicitplot ({y+xy2- 6x2=0,1+x2y2-5x2 = 0},x=-5 5,y=5 5); 28 Hẳnh 2.1: ... tẳm ữủc bơng sỹ kát hủp phữỡng phĂp sai phƠn v phữỡng phĂp Newton - Raphson: > restart; > with( plots); > with( plottools) >plot([x 2+1,-1.74e-4x 4+4.05e-4x 3+0.9997x 2+1.55e-4x+1], x=1 2,color=[red,blue]);...
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Luận văn sự kết hợp giữa phương pháp sai phân và phương pháp newton raphson giải phương trình vi phân tuyến tính
... hiii 93 + x y Qx = + x y = 94 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...
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Metabolomic study of water hyacinth exposed to CuCI2, FeCI3, Na2HPO4 solution by GC m
... plant declined, while the content of proline, asparagine, malic acid and fructose etc was relatively higher Compared with response to salt stress, the content of glucose, malic acid and proline was ... conducted metabolic profile analysis and biomass and yield comparison of two genotypes Andean potato (Solanum tuberosum ssp Andigena Juz & Buk Hawkes) Sullu and Ccompis Results showed that although ... 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 of...
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Tìm thêm: xác định các mục tiêu của chương trình khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn xác định thời lượng học về mặt lí thuyết và thực tế điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 thông tin liên lạc và các dịch vụ từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008