below resonance leading power factor pf mode of operation
CÁC LỢI ÍCH KHI VẬN HÀNH MÁY PHÁT Ở HỆ SỐ CÔNG SUẤT CAO (Benefits of operating your generator at a higher power factor )
... lagging power factor of 0.8, will have a kW output of 0.8 per unit and a kVAr output of 0.6 per unit Operating the same machine at unity power factor will result in a machine KW output of 1.0 ... Benefits of Operating Your Generator at a Higher Power Factor of Ø http://www.nepsi.com/generator.htm Reduced Electric Utility Bill due to lower amount of purchased power from power provider ... outputs of the synchronous generator will either reduce the amount of power purchased from your electric power provider or it will increase the revenue obtained for power that is sold to the power...
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Experimental study of operation performance of a low power thermoelectric cooling dehumidifier
... PTE + PF (1) where PTE is the power of the thermoelectric module (W), and PF is the power of the cooling fan(W) The total heat-transfer rate (Qc) of the fin heat exchanger on the cold side of the ... respectively He is a professor of School of Energy and Environment, Hebei University of Technology Since from 2005, he has taken as the dean of School of Energy and Environment of HBUT His work focus ... different input powers of the thermoelectric module Figure compares the variations of COP under different input powers of the thermoelectric module It can be seen that the COP of the TED increases...
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Active filter operation providing unity power factor supply system for drives and battery charging
... as reactive leading and lagging power source However, au maease of readive power c a w muease of voltampere power ofthe adive filter [I] F.Blaabjer& JKPedersen 'An Integrated High Power Fador ... system operates with unity power fador The case of unity power f fador operation can be provided with low volt-ampere power o the adive filter The control diagram of the Systan is proposed and ... omazpt of the parallel active f l e of non itr active power ?his filter is specially designed for drive applications with classical amveater syjian (ad&) with diode bridge redifier as an input of...
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Tài liệu Báo cáo khoa học: Crystal structures of a bacterial 6-phosphogluconate dehydrogenase reveal aspects of specificity, mechanism and mode of inhibition by analogues of high-energy reaction intermediates pdf
... hydrogen bond with the C3-hydroxyl of RU5P, C2-hydroxyl of PEX or the C4-hydroxyl of 6PG (in the modelled ternary complex) Some 84 residues of the cofactor-binding domain of LlPDH are strictly conserved ... comparing the cofactor domains of the OaPDH and TbPDH structures [13] The superposition of subunit A of complex I onto subunits A, B, C of complex II ˚ and III yield rmsd-values of 0.8 A for subunit ... OaPDH have a ˚ buried surface area of 5500 A2, TbPDH has a larger ˚ interface surface area of 6200 A The cofactor-binding site The cofactor binds on the periphery of domain I (Figs 3B,4) with the...
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Tài liệu Báo cáo khoa học: DNA strand exchange activity of rice recombinase OsDmc1 monitored by fluorescence resonance energy transfer and the role of ATP hydrolysis pptx
... lM of OsDmc1 in absence of ATP; (2) with 1.25 lM of OsDmc1 in presence of 2.0 mM of AMP-PNP; (3) with 1.25 lM of OsDmc1 in presence of 2.0 mM ATP-c-S; (4) with 1.25 lM of OsDmc1 in presence of ... absence of any nucleotide cofactor results in attenuation of spontaneous annealing (compare line 1, Fig with line 2, Fig 2A); this attenuation is undone only in the presence of nucleotide cofactors ... nucleotide cofactor or had slowly hydrolysable analogues of ATP The rate enhancement by the presence of ATP was in the order of about 15-fold (Fig 6), strongly suggesting that the hydrolysis of ATP...
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Tài liệu Báo cáo khoa học: Characterization and mode of action of an exopolygalacturonase from the hyperthermophilic bacterium Thermotoga maritima doc
... Hiromi K (1970) Interpretation of dependency of rate parameters on the degree of polymerization of substrate in enzyme-catalyzed reactions Evaluation of subsite afnities of exo-enzyme Biochem Biophys ... protein was eluted at 0.6 m of NaCl Analysis of PelB by gel ltration resulted in a peak with an estimated mass of 212 kDa, corresponding to results of SDS PAGE analyses of the unboiled sample, suggesting ... zone of the cytoplasmic fraction (not shown) No activity on PGA was observed when the corresponding medium fraction was concentrated and similarly analysed Mode of action of PelB To examine its mode...
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Báo cáo khoa học: Assembly and molecular mode of action of the Helicobacter pylori Cag type IV secretion apparatus doc
... into various host cells is a hallmark of CagT4SS activity Despite the molecular characterization of a number of effects in host cells, the exact function of CagA translocation during infection ... the molecular mechanisms of effector protein secretion This minireview describes the composition of the cagPAI and the properties of both conserved and unique components of the Cag-T4SS, together ... potential implications for the current understanding of its mode of action The cagPAI and the Cag type IV secretion apparatus Gene arrangement and variants of the cagPAI The cagPAI, which was originally...
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Báo cáo khoa học: Structural and thermodynamic insights into the binding mode of five novel inhibitors of lumazine synthase from Mycobacterium tuberculosis pptx
... oxygen atoms of Ala59 and Glu61 of one subunit and with the main chain nitrogen of Asn114Â of the other subunit The contacts of the ribityl chain to His89 and Lys138Â are mediated by a net of water ... comparison of binding afnities of the inhibitors under study The tting of the binding isotherms of all ve compounds with a binding model assuming identical and independent binding sites gave satisfactory ... difcult because of the growing antibiotic resistance of M tuberculosis The elucidation of the complete genomes of M tuberculosis and the related Mycobacterium leprae has provided powerful tools...
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Báo cáo khoa học: Substrate specificity and transport mode of the proton-dependent amino acid transporter mPAT2 potx
... lCiÆmL)1) without (control) or with the addition of 10 mM of the test compounds After 10 of incubation, the oocytes were washed three times with mL of ice cold uptake buffer and immediately distributed ... specificity of mPAT2 (A,B) Representative current traces of oocytes expressing mPAT2 in response to perfusion with 20 mM of the different substrates in Na+-free buffer at pH 6.5 (C,D) Inhibition of [3H]proline ... Uptake of L-[3H]proline (100 lM) was measured at pH 6.5 for 10 in the presence of unlabeled amino acids and derivatives at a fixed concentration of 10 mM and are given as percentage inhibition of...
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Báo cáo khoa học: Exo-mode of action of cellobiohydrolase Cel48C from Paenibacillus sp. BP-23 A unique type of cellulase among Bacillales ppt
... degradation of cellopentaose produced both cellobiose and cellotriose As in the case of ASC, analysis of the kinetics of cellotetraose digestion showed the presence of minor amounts of cellotriose ... fraction of either digested sample, indicating that the main activity of Cel48C is that of a cellobiohydrolase, acting processively on these substrates To analyse the exo -mode of action of Cel48C, ... products of hydrolysis of cellopentaose (G5) and is shown as size marker of action and knowledge of their natural substrate may be of great interest to understand the biological role of family...
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American Carrier Air Power at the Dawn of a New Century docx
... Air Warfare Center Office of the Chief of Naval Operations xxiv American Carrier Air Power at the Dawn of a New Century OSD PGM RAF ROE RIO SAM SAR SEAD SFWT SHARP SIPRNET SLAM SOF SPIN STOVL TACP ... VF VFA Office of the Secretary of Defense Precision-Guided Munition Royal Air Force Rules of Engagement Radar Intercept Officer Surface-to-Air Missile Synthetic Aperture Radar Suppression of Enemy ... multitude of adjustments during that war Few of the challenges that were levied on naval aviation by that U.S.-led offensive, code-named American Carrier Air Power at the Dawn of a New Century Operation...
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Báo cáo khoa học: The twin-arginine translocation (Tat) systems from Bacillus subtilis display a conserved mode of complex organization and similar substrate recognition requirements doc
... Tat complexes of Gramnegative and Gram-positive bacteria in terms of the size of the TatC-containing substrate-binding complex Some of the difference may stem from the absence of a TatB component, ... conditions of phosphate starvation that lead to a massive induction of PhoD synthesis A controversial aspect of studies into the TatAdCd system of B subtilis was the identification of a soluble ... anti-TatAy serum Mobilities of molecular mass markers (in kDa) are indicated on the left and mobility of TatAy shown on the right (D) Immunoblots of all elution fractions of membrane-localized and...
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Báo cáo khoa học: The sulfur atoms of the substrate CoA and the catalytic cysteine are required for a productive mode of substrate binding in bacterial biosynthetic thiolase, a thioester-dependent enzyme doc
... detailed analysis of the exact binding mode has not been performed, but the mode of binding of the acetyl moiety is clearly different from the mode of binding of the acetyl moiety of Ac-CoA Apparently, ... all of the new structures (Fig 3) The mode of binding of SPP closely resembles that of CoA B C Fig Comparison of the active site ligand binding modes to biosynthetic thiolase (A) The binding modes ... differences between the pantetheine moieties of CoA and SPP The highly similar mode of binding of the reactive moieties of CoA and SPP in the active site of thiolase provides a structural basis for...
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Báo cáo khóa học: Nerve growth factor mediates activation of the Smad pathway in PC12 cells doc
... be excluded Taken together, the effects of NGF on the Smad pathway are independent of TGF-b ligand To characterize the point of convergence and the mode of Smad activation, C-terminal phosphorylation, ... stimulation of PC12 cells results in activation of the Smad pathway independently of TGF-b1 This activation is direct and results in nuclear translocation of Smad3 within only 30 of NGF treatment ... phosphorylation of the C-terminal SSXS-motif of the R-Smad Based on the diverse mechanism of Smad activation by either TGF-b1 or NGF, specific subsets of target genes might be induced The potential of NGF...
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Báo cáo khoa học: Structures and mode of membrane interaction of a short a helical lytic peptide and its diastereomer determined by NMR, FTIR, and fluorescence spectroscopy pdf
... permeating mechanisms of diastereomeric antimicrobial peptides Ó FEBS 2002 Mode of interaction of lytic peptides (Eur J Biochem 269) 3877 Fig FTIR spectra deconvolution of the fully deuterated ... nature of the hydrophobic binding of small peptides at the bilayer interface: Implications for the insertion of transbilayer helices Biochemistry 28, 3421–3437 54 Oren, Z & Shai, Y (1998) Mode of ... yield three-dimensional structures of both peptides in membrane models Further insight into the membrane-binding properties of the peptides and their depth of penetration into the lipid membrane...
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Báo cáo khoa học: "Metaphor Comprehension - A special mode of language pptx
... interpretation COMPARISON WITH OTHER THE?RIES The paper compares the model of metaphor comprehension with established theories of metaphor within linguistics and psychology Context construction ... CONCLUSIONS The final part of the paper examines the relationship between metaphor comprehension and existing language comprehension systems The processes which constitute the model of metaphor comprehension ... understanding systems (Schank, Wilks, L)IR group, etc.) The comprehension of metaphor does not require a special set of processes to be developed, although the comprehension strategies may be...
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Power Factor Tutorial doc
... Original power factor in percent • Desired power factor in percent The formula to calculate the required kVAR is: ORIGINAL POWER FACTOR IN PERCENT *Factor from Table below x kW = kVAR of capacitor ... * Factors result from: Factor = [Tan (cos − OPF ) − Tan (cos −1 EPF )] 3-4 Power Factor Tutorial The previous chart makes it easier to find the amount of kVAR needed to improve your power factor ... kVAR of capacitors required to improve from the present power factor to the desired power factor EXAMPLE: A small machine tool plant uses an average of 100 kW with an existing power factor of 80%...
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Báo cáo khoa học: Peptides that bind the HIV-1 integrase and modulate its enzymatic activity – kinetic studies and mode of action pptx
... inhibitory activity of this group of peptides is attributable to their effect on the turnover number of IN, and suggest a different mode of action from that of the rst group The third group of peptides, ... analysis of the peptide-binding sites on IN The structure of the PFV intasome in the presence and absence of several drugs served as the basis for the structural analysis [71] The sequences of PFV ... dissociation of the IN multimer molecule [70] The break 320 point observed in several of the panels of Fig is the optimum point of the reaction, namely the ideal concentrations of DNA, peptide...
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Báo cáo khoa học: Mechanism of mild acid hydrolysis of galactan polysaccharides with highly ordered disaccharide repeats leading to a complete series of exclusively odd-numbered oligosaccharides doc
... mechanism of acid hydrolysis of the 3,6-anGal-containing galactans 2126 Results and Discussion Identification of a complete series of odd-numbered oligosaccharides resulting from mild acid hydrolysis of ... 2-O-sulfate on the stability of 3,6-anGal We investigated the effect of sulfate substitution on the 2-OH of 3,6-anGal (the only free hydroxyl group of the residue) on the stability of the glycosidic bond ... the uniquely facile nature of the hydrolysis Effect of the 3,6-anGal form on the hydrolysis of galactan As the initial glycosidic cleavage by mild acid hydrolysis of galactan j-carrageenan and...
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Tìm thêm: xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam 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 các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp 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 động cơ điện không đồng bộ một pha thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu 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 9 tr 25