battery theory and design
crompton, t. r. (2000). battery reference book (3rd ed.)
... loading and microelectronic and computer applications Part (Chapters 44-49) deals with all aspects of the theory and practice of battery charging and will be of great interest to the battery ... theoretically minded in the user and manufacturer industries and in the academic world Students and postgraduates of electrical and engineering science, and design and manufacture will find much ... volume and in variety of products designed to meet new applications Not so long ago, mention of a battery to many people brought to mind the image of an automotive battery or a torch battery and, ...
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acquy pin
... loading and microelectronic and computer applications Part (Chapters 44-49) deals with all aspects of the theory and practice of battery charging and will be of great interest to the battery ... theoretically minded in the user and manufacturer industries and in the academic world Students and postgraduates of electrical and engineering science, and design and manufacture will find much ... volume and in variety of products designed to meet new applications Not so long ago, mention of a battery to many people brought to mind the image of an automotive battery or a torch battery and, ...
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Báo cáo vật lý: "Polymerisation of Protonic Polyaniline/Multi-Walled Carbon Nanotubes-Manganese Dioxide Nanocomposites" doc
... weak and broad band around 3000 cm–1 is assigned to the N-H stretching mode Figures 3(a) and (b) show PANI/MWCNTs and PANI/MWCNTs-MnO2, respectively There were clear differences between these and ... cm–1 in both Figures 3(a) and (b) showed strong and broad peaks, but very weak and broad peaks were present in the neat PANI spectrum The interaction between the MWCNTs and PANI may result in “charge ... intensity ratio of the benzoid and quinoid bands The spectrum of pure PANI (Fig 2) exhibits a clear difference in intensity; the quinoid band is less intense than benzoid band The benzoid/quinoid intensity...
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Đề tài: Chiết suất quercetin bằng carbon dioxide siêu tới hạn từ hành tây
... “Flavonols and flavones in food plants”, J.Food Tech 01, IZ, 433-448 Hirota, S., Shimoda, T and Takamaha (1998), “Tissue and spatial distribution of flavonol and peroxidase in onion bulbs and stability ... Science and Technology, Bologna University, Viale G Fanin, 44 - 40127 - Bologna, Italy 14 Maria Aleksandra Smoczkiewicz, Danuta Nitschke, and Hanna Wiel~dek (2008), “Microdetermination of Steroid and ... the Science of Food and Agriculture 83, pp 1556–1564 25 Xing, N., Chen, Y., Mitchell, S.H and Young, C.Y.F (2001),” Quercetin inhibits the expression and function of the androgen receptor in...
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Riverbank filtration: removal of iron, manganese and hardness
... V B., Maureen J K., Andrew W S and David A R., Kinetics of manganese and iron oxidation by potassium permanganate and chlorine dioxide, Jour AWWA, 83, 80-87, 1991 Jimbo Y and Goto K., Studies ... particle from KMnO4 and Mn reaction and MnO2 slurry added by autocatalytic reaction - 139 - Journal of Water and Environment Technology, Vol.1, No.2, 2003 References Baveye, P and Valocchi, A., ... added to bankfiltrate and distilled water of which Mn concentration are same as bankfiltrate and variation of Mn concentration with adsorption time was shown in Fig.6 Ca and Mg showed positive...
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Photocatalytic bactericidal activity of silver-sensitized titanium dioxide on Micrococcus lylae
... 300 rpm magnetic stirring Each data point and error bar represents the mean and standard deviation of independent triplicates - 49 - Journal of Water and Environment Technology, Vol.3, No.1, 2005 ... 300 rpm magnetic stirring Each data point and error bar represents the mean and standard deviation of independent triplicates - 50 - Journal of Water and Environment Technology, Vol.3, No.1, 2005 ... easier collection and reuse ACKNOWLEDGMENT This research project was supported by a research grant from the Innovational and Technology Fund (ITF) to Jimmy Yu and P.K Wong, and a Direct Grant...
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Thermodynamic analysis of gas – steam combined cycle with carbon dioxide (CO2) emissions saving
... ⎛ p2 ⎞ T1 ⎜ p1 ⎟ ⎝ ⎠ ( γ −1) / γη c (4) where T1 and T2 are the compressor inlet and exit temperatures (K), p1 and p2 are the compressor inlet and exit pressures (Pa), γ is the specific heat ratio ... Energy and Environment (IJEE), Volume 2, Issue 2, 2011, pp.219-230 (m ) = (m ) + ∑ m ) and (m ) where (m comp in comp out (5) i comp in comp out is the mass in and out of the compressor (kg) and ... Gas Turbine and Power, 1991, Vol 113, p 190 [11] Raghuvanshi S P., Chandra A and Raghav A K., “Carbon dioxide emissions from coal based power generation in India”, Energy Conversion and Management,...
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A Plasmonic Photocatalyst Consisting of Silver NanoparticlesEmbedded in Titanium Dioxide
... phase is a semiconductor with a band gap of 3.26 eV,12 so near UV irradiation can excite pairs of electrons and holes Ag NPs show a very intense LSP absorption band in the near-UV region.13 This ... resonance is sensitive to both the NP size and the medium surrounding the NP Mie theory is a powerful tool for estimating the resonance wavelength and was therefore applied to predict the scattering ... illumination time for TiO2 alone [(a), black line and triangles] and TiO2 on the Ag/SiO2 core-shell structure with the shell thickness of 20 nm [(b), red line and circles] Average values of each three...
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Tìm hiểu về Titanium dioxide TiO2
... oxh cao có khả phân hủy chất hữu thành H2O CO2 Tuy nhiên, so sánh không thật xác dạng TiO2 có bandgap khác tạo thành từ điều kiện khác nhau,nhất nhiệt độ.Vì thế,ta phải xét phản ứng cụ thể đánh...
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Nghiên cứu vật liệu kếy hợp titanium dioxide nano diatomite
... ng h p K2Ti2O5 hydrate có tinh th d ng ñĩa 1.2.2.2 T ng h p potassium tetratitanate K2Ti4O9 [55] Andersen c ng s ñã t ng h p K2Ti4O9 b ng ph n ng tr ng thái pha r n K2CO3 TiO2 (anatase) v i t l ... i dung d ch KOH s thu ñư c s n ph m potassium titanate d ng khác bao g m K4Ti3O8, K2Ti2O5·xH2O and KTiO2(OH) Trên s gi n ñ c u t TiO2–KOH–H2O (Hình 3.3), th c hi n thí nghi m t ng h p K4Ti3O8...
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Tài liệu Báo cáo khoa học: Homologous expression of the nrdF gene of Corynebacterium ammoniagenes strain ATCC 6872 generates a manganese-metallocofactor (R2F) and a stable tyrosyl radical (Y•) involved in ribonucleotide reduction ppt
... pitch standard (g = 2.0028) A solution of 10 mm CuSO4 in m NaClO4 and 10 mm HCl was used as the standard for spin integration Further EPR conditions are provided in the legend to Fig Q-band EPR ... Microbiology (Pandalai SG ed), pp 15–39 Research Signpost, Trivandrum, India 18 Teshiba S (1989) Production of Nucleotides and Nucleosides by Fermentation, Vol 3, 1st edn Gordon and Breach Science ... procedure and some applications Proc Natl Acad Sci USA 76, 4350–4354 Kinter M & Sherman NE (2000) Protein Sequencing and Identification Using Tandem Mass Spectrometry Chichester, England Pal BC,...
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Tài liệu Health Aspects of Air Pollution with Particulate Matter, Ozone and Nitrogen Dioxide doc
... cough and chronic phlegm and breathlessness were associated with TPS, PM10 and NO2, and that lung function (FEV1, FVC) was significantly reduced for elevated concentrations of PM10, NO2 and SO2 ... both BS and SO2 levels in various areas of Krakow, Poland, and slowed lung function growth (FVC and FEV1) In the Children’s Health Study in Southern California, the effects of reductions and increases ... and controlled human exposure studies have shown additive and in some cases, more than additive effects, especially for combinations of PM and ozone, and of PM (especially diesel particles) and...
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Tài liệu Báo cáo khoa học: Insights into the interaction of human arginase II with substrate and manganese ions by site-directed mutagenesis and kinetic studies Alteration of substrate specificity by replacement of Asn149 with Asp docx
... S-(2-boronoethyl)-l-cysteine (BEC) His120 and His145, and the corresponding His101 and His126 in arginase I, were described among the ligands for coordination of Mn2+A and Mn2+B, respectively [9,24] However, ... arginase II and agmatinase, as both enzymes are mitochondrial and functionally different [22] A key factor is the a-carboxyl group of the substrate, which makes the difference between arginine and agmatine ... of human arginase II with substrate and metal ions was examined by sitedirected mutagenesis and kinetic studies Selection of target residues (Asp149, His120 and His145) was based on the roles...
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Tài liệu Báo cáo khoa học: Cleavage of nonphenolic b-1 diarylpropane lignin model dimers by manganese peroxidase from Phanerochaete chrysosporium Evidence for a hydrogen abstraction mechanism docx
... oxidation of nonphenolic diarylpropanes (reactions A, C, and E) and a-keto diarylpropanes (reactions B, D, and F) by homogeneous MnP and LiP (G) MnP reactions were carried out in 50 mM malonate ... calibration curves obtained with standards Results Oxidation of diarylpropane substrates by MnP Time courses for the oxidation of diarylpropanes I and VI by MnP, in the presence and absence of Tween 80, ... 20%) and 4-methoxyacetophenone (III, 14%) (Table 1) No detectable amount of a-keto diarylpropane (IV) was Fig Oxidation of the diarylpropanes I (d,s) and VI (m,n) by MnP, in the presence (d,m) and...
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Tài liệu Báo cáo Y học: Thermostability of manganese- and iron-superoxide dismutases from Escherichia coli is determined by the characteristic position of a glutamine residue pdf
... Q69G and A141Q, both single and double mutations, and a comparison with data on equivalent mutations in MnSOD (G77Q and Q146A), which change in vivo metal selectivity, specific activity and thermal ... Beyond the metal ligand residues and within 10 A of the metal there are few significant differences between iron- and manganese-containing SODs During catalysis substrate and products must pass ... positions of the N- and C-termini, the iron ion and residues Q69 and A141 in FeSOD (Bottom) Stereo view of selected residues around the metal centres Superposition, orientation and colour are the...
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Cardiac and Hemodynamic Changes during Carbon Dioxide Pneumoperitoneum for Laparoscopic Gynecologic Surgery in Rajavithi Hospital ppt
... for benefit and better management of patients in the future Material and Method The authors prospectively evaluated a consecutive series of patients enrolled between November 2006 and March 2007 ... subcutaneous emphysema The end tidal CO2, mean BP, heart rate and Sat O2 before during and after CO2 insufflation are shown in Table and Fig The mean of blood pressure changed mostly in the first ... produce respiratory and hemodynamic changes due to both CO2 absorption and the effects of increased intraperitoneal pressure(1) J Med Assoc Thai Vol 91 No 2008 Pneumothorax and subcutaneous emphysema...
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Báo cáo khoa học: Engineering and characterization of human manganese superoxide dismutase mutants with high activity and low product inhibition potx
... screening Error-prone PCR and DNA shuffling were separately used to create a randomized library of protein variants based on the Q143A hMnSOD template One hundred and fifty thousand QC774 transformants ... cloning site of the vector by digestion with NcoI and PstI This vector backbone was excised from an agarose gel and purified For both standard and error-prone PCR amplification of hMnSOD genes, ... grant GM54903 (DS) and National Science Foundation CAREER Award Bes-0348107 (HZ) We thank Patrick Quint and Diane Cabelli for help with kinetics, and Chingkuang Tu for assistance and helpful discussion...
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Báo cáo khoa học: Outer sphere mutagenesis of Lactobacillus plantarum manganese catalase disrupts the cluster core pptx
... stabilizing the dimanganese cluster and implications for the involvement of the bridging ligands in the catalytic mechanism Materials and methods Molecular biology and biochemical preparations Genomic ... at pH for both WT and Y42F LPC (data not shown) The half-time (tẵ) for the re-oxidation reaction was estimated as 24 h for WT and 23 h for Y42F LPC at C, and h for WT enzyme and 14 h for Y42F ... 700 M)1ặcm)1 per Mn) and weaker absorption maximum at 750 nm (Table 4) The stronger absorption band includes a shoulder near 560 nm and ne structure features between 500 and 530 nm arising from...
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