bồi dưỡng nâng cao trình độ và tạo động lực cho cán bộ phụ trách hoạt động bán hàng qua mạng
element of physical chemistry
... for a derivation of this equation.) Here c is the root-mean-square speed (rms speed) of the molecules This quantity is dened as the square root of the mean value of the squares of the speeds, v, ... virial equation of state 1.13 The van der Waals equation of state 1.14 The liquefaction of gases CHECKLIST OF KEY IDEAS TABLE OF KEY EQUATIONS FURTHER INFORMATION 1.1 QUESTIONS AND EXERCISES Equations ... the meaning of mole fraction In each case, a small square represents one molecule of A (yellow squares) or B (green squares) There are 48 squares in each sample Self-test 1.3 For any type of...
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Laying Out GUIs and Setting Properties
... Options Distributing components adds equal space between all components in the selected group The distribute options operate in two different modes: • Equally space selected components within ... checked or not checked Check boxes are useful when providing the user with a number of independent choices that set a mode, for example, displaying a toolbar or generating callback function prototypes ... and enable users to select one or more items Pop-Up Menu Pop-up menus open to display a list of choices when users click the arrow Axes Axes enable your GUI to display graphics (e.g., graphs and...
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35768 Study of Electrode Reactions and Interfacial Properties
... monolayers) 2.1.4 Quantitative Applications Current Cyclic voltammetry can be useful also for quantitative purposes, based on measurements of the peak current [Eq (2.1)] Such quantitative applications ... (∆f ) relates to the mass change (∆m) according to the Sauerbrey equation: Figure 2.21 Quartz crystal microbalance: (1) the quartz crystal; (2) the gold electrode; (3,4) connecting metal wires; ... more negative or positive than the diffusion-controlled peak) Equations have been derived for less ideal situations, involving quasi- and irreversible adsorbing electroactive molecules and different...
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Tài liệu Metric Dimensions and Sections Properties pptx
... a set of sizing/shaping rolls which cold-form it into a round (9), square (10) or rectangular (11) section Form-Square Weld-Square (ERW) Process In the weld mill, driven forming dies progressively ... data for rectangular and square ERW HSS are based upon outside corner radii equal to 2.0 times the design wall thickness The section property data for rectangular and square SAW HSS are based upon ... thickness The design wall thickness, t, for ERW HSS is equal to 0.93 times the nominal wall thickness For SAW HSS, the design wall thickness, t, is equal to the nominal wall thickness The design wall...
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Electronic and Optoelectronic Properties of Semiconductor Structures
... respectively A square of area a2 has four atoms on the edges of the square and one atom at the center of the square The atoms on the square edges are shared by a total of four squares The total ... 288 290 291 7.4 BALANCE EQUATION APPROACH TO HIGH FIELD TRANSPORT 292 7.5 IMPACT IONIZATION IN SEMICONDUCTORS 295 7.6 TRANSPORT IN QUANTUM WELLS 296 7.7 TRANSPORT IN QUANTUM WIRES AND DOTS 303 ... produce low dimensional electronic systems These low dimensional systems, including quantum wells, quantum wires and quantum dots have density of states and other electronic properties that make them...
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Tài liệu Báo cáo " The effect of cobalt substitution on structure and magnetic properties of nickel ferrite " pptx
... Oe (with x=0.8), - Average longitudinal Magnetostriction λ// = (80-120).10-6 - Magnetomechanic Quality Q=3100 (with x=0.0) Experimental 2.1 Synthesis of Ni-Co powder ferrite A series of cobalt ... [8]: Fe3+ [ Ni2+1-x tetrahedral Co2+x Fe3+ ] O2-4 octahedral The magnetic moment of a ion Co2+ is equal to 3μB, during it is μB for a ion Ni2+ and μB for Fe When x increased this leads to the compensation ... [9] ) of Ni1-xCoxFe2O4 ferrites was λ// = (80 -120).10-6 (with x = 0.6 - 0.8) The Magnetomechanic Quality was determinated by following expression: Q = ωL , with RCu − RFer L is the electric induction...
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Tài liệu Báo cáo khoa học: Interleukin-1-inducible MCPIP protein has structural and functional properties of RNase and participates in degradation of IL-1b mRNA doc
... criticism References ´ Jura J, Wegrzyn P, Korostynski M, Guzik K, OczkoWojciechowska M, Jarzab M, Kowalska M, Piechota ˛ M, Przewocki P & Koj A (2008) Identification of interleukin-1 and interleukin-6-responsive ... ⁄ IL-1)ARE and pcDNA3 ⁄ MCPIP The pcDNA3 vector served as a control for the experiment, and to equalize the amount of introduced genetic material The level of IL-1b and MCPIP transcripts was measured ... b-galactosidase Overexpression of MCPIP was confirmed by western blotting (right upper panel) Semi-quantitative RT-PCR was performed for the luciferase transcript to show the reporter transcript...
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Tài liệu Báo cáo khoa học: The antibacterial and antifungal properties of trappin-2 (pre-elafin) do not depend on its protease inhibitory function pptx
... inhibitor which has a transglutaminase-mediated anchoring sequence termed ‘cementoin’ J Biochem 115, 441–448 Guyot N, Zani ML, Maurel MC, Dallet-Choisy S & Moreau T (2005) Elafin and its precursor ... grown and plated out on trypcase soy agar + 5% sheep blood plates and H influenzae was grown on chocolate agar + PolyViteXÒ at 37 °C in an atmosphere containing 5% CO2 Bacteria were cultured in ... ship from Inserm and the Region Centre (France) References ´ Moreau T, Baranger K, Dade S, Dallet-Choisy S, Guyot N & Zani ML (2008) Multifaceted roles of human elafin and secretory leukocyte proteinase...
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Tài liệu Báo cáo khoa học: Tryptophan tryptophylquinone cofactor biogenesis in the aromatic amine dehydrogenase of Alcaligenes faecalis Cofactor assembly and catalytic properties of recombinant enzyme expressed in Paracoccus denitrificans pptx
... vs pH in the pH range 5–9.5 Hatched lines indicate fits to the equation for a single ionization; solid lines represent fits to the equation for a double ionization Filled circles, protiated benzylamine ... using the standard Michaelis–Menten rate equation Initial velocity data collected as a function of tryptamine concentration [S] were fitted to Eqn (2) Equation has previously been applied in the ... capacity of BisTris propane at this pH Analysis of the data (omitting the pH 10 data point) using the equation for a double ionization yielded a pKa1 value of 7.1 ± 0.2 and pKa2 value of 9.3 ± 0.2 for...
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Tài liệu Báo cáo khoa học: The isolation and characterization of cytochrome c nitrite reductase subunits (NrfA and NrfH) from Desulfovibrio desulfuricans ATCC 27774 Re-evaluation of the spectroscopic data and redox properties ppt
... sequence from W succinogenes encodes four heme-binding sites (CXXCH) and a putative helical membrane anchor; presumably, is the physiological redox partner of NrfA [21] However, in E coli K-12 this role ... the corresponding spectra were interpreted as the superposition of six spectral components of equal intensity, originating from six magnetically isolated heme groups Distinct hyperfine parameters ... reductase activity, the protein samples were not boiled Protein content was determined with the Bicinchoninic Acid Protein Assay Kit (Pierce), using horse heart cytochrome c as standard (Sigma) The...
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Tài liệu Báo cáo Y học: Antibacterial and antifungal properties of a-helical, cationic peptides in the venom of scorpions from southern Africa pptx
... cefuroxime and erythromycin were tested in the presence of a constant amount of peptide equal to one-quarter of the peptide MIC for Gram-negative bacteria and MIC/8 for Gram-positive bacteria ... 1,2-dimyristoylsn-glycero-3-phospho-rac-1 glycerol (Myr2Gro-PGro, solid line) or 1,2-dimyristoyl-sn-glycero-3-phosphocholine (Myr2Gro-PCho, dashed line) small unilamellar vesicles secondary structure in the presence of negatively ... of parabutoporin (closed triangle), opistoporin (open triangle), melittin (open square) and mastoparan (closed square) on human red blood cells in isotonic buffer Human red blood cells were incubated...
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Tài liệu Báo cáo Y học: Short peptides are not reliable models of thermodynamic and kinetic properties of the N-terminal metal binding site in serum albumin doc
... of 1.11.5 were used The titration data were analysed using the SUPERQUAD program [30] Standard deviations computed by SUPERQUAD refer to random errors only CD spectroscopy The spectra were recorded ... thermodynamic and kinetic parameters of Cu(II) and Ni(II) interactions could not be reproduced quantitatively by short peptides The present paper presents the results of our studies MATERIALS ... reaction at each point of Ni(II) titrations had to be assured by recording the spectra periodically Quantitation of sites I and II (and thus of albumin concentrations) could be obtained from Cu(II)...
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Tài liệu PHYSICAL, CHEMICAL, AND MECHANICAL PROPERTIES OF BAMBOO AND ITS UTILIZATION POTENTIAL FOR FIBERBOARD MANUFACTURING docx
... market demand In Asian countries, bamboo has been used for household utilities such as containers, chopsticks, woven mats, fishing poles, cricket boxes, handicrafts, chairs, etc It has also been ... schedule Bioresource Technol 77: 87-88 Liese, W 1980 Preservation of bamboos In: (G Lessard and A Chouinard, eds) Bamboo Research in Asia IDRC, Canada pp 165-172 Liese, W and F.R.G Hamburg 1987 ... and Z.B Espiloy 1980 Properties and utilization of Philippine erect bamboo In: (G.Lessard and A Chouinard, eds.) International Seminar on Bamboo Research in Asia Singapore, May 28-30 Singapore:...
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Báo cáo " Study on the characteristics and catalytic properties of Pt/SBA-15 in the selective oxidation of D-Glucose " potx
... Xúc tác ch a Pt nano có hi u qu tương ñ i cao cho trình oxi hoá ch n l c glucozơ t o axit gluconic.T k t qu phân tích s n ph m ph n ng b ng HPLC-RID cho th y hàm lư ng, kích thư c h t xúc tácPt ... t li u SBA-15 t ng h p ñư c có mao qu n hexagonal 2D có ñ tr t t cao Pt ñ t kích thư c nano phân tán mao qu n mao qu n ph thu c vào n ng ñ ti n ch t ñi u ki n phân tán Ho t tính xúc tác ñư c ñánh ... hư ng quy t ñ nh ñ n tính ch n l c axit gluconic ph n ng ph Xúc tác 1% Pt/SBA-15 cho ñ ch n l c axit gluconic cao ...
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Báo cáo khoa học: Crystal structure and enzymatic properties of a bacterial family 19 chitinase reveal differences from plant enzymes pdf
... never detected yielded equal amounts of (GlcNAc)3 and (GlcNAc)2; the 80 : 20 anomeric ratio of the products indicates that cleavage after sugar or sugar occurs approximately equally often Structure ... distribution in the tetramer and dimer fractions (Fig 3, Table 1) shows that the first reaction equally often results from cleavage between sugars and (new reducing end on the tetramer product) ... family 19 chitinases have been identified, including chitinases from Burkholderia gladioli, Vibrio cholerae, Haemophilus influenzae, and Pseudomonas aeruginosa Although many plant family 19 chitinases...
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Báo cáo khoa học: Spectroscopic and kinetic properties of the horseradish peroxidase mutant T171S Evidence for selective effects on the reduced state of the enzyme potx
... spin states of the haem system The Thr171Ser mutant contains a substantially 5-coordinate (5-c) quantum mechanically mixed spin (QS) haem essentially identical to the wildtype protein [4,8,11,15] ... previously [33] Kd values were calculated by tting the data to Eqn (1) using a weighted least squares error minimization procedure A ẳ 2A1 L=fL ỵ Kd ỵ Pị ỵ ẵL ỵ Kd ỵ Pị2 4PL1=2 g 1ị The absorbance ... the heme cavity structure of catalase-peroxidase: a spectroscopic approach to the recombinant Synechocystis enzyme and selected distal cavity mutants Biochemistry 41, 92379247 10 Smulevich G, Mauro...
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Báo cáo khoa học: Plant oxylipins: Plant responses to 12-oxo-phytodienoic acid are governed by its specific structural and functional properties ppt
... transducer in the elicitation process [40], because OPDA strongly induces alkaloid biosynthesis in Eschscholtzia californica cell cultures Furthermore, tendril coiling of Bryonia dioica is more responsive ... USA 89, 4938–4941 25 Albrecht T, Kehlen A, Stahl K, Knofel HD, Sembdner ¨ G & Weiler EW (1993) Quantification of rapid, transient increases in jasmonic acid in wounded plants using a monoclonal ... Phytochemistry 32, 591–600 Stelmach BA, Muller A, Hennig P, Laudert D, Andert ¨ L & Weiler EW (1998) Quantitation of the octadecanoid 12-oxo-phytodienoic acid, a signalling compound in plant mechanotransduction...
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Báo cáo khoa học: The lactate dehydrogenases encoded by the ldh and ldhB genes in Lactococcus lactis exhibit distinct regulation and catalytic properties ) comparative modeling to probe the molecular basis pdf
... Methods Enzymol 90, 77–82 Bradford MM (1976) A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein-dye binding Anal Biochem 72, ... Germany) at pH 6.5 and 30 °C, and under an argon atmosphere, as described previously [10,12,34] The quantification of end-products, intracellular metabolites and intracellular pH in living cells was ... using comparative modeling techniques [36,37] We searched the Protein Data Bank, looking for good-quality structures of bacterial lactate dehydrogenases displaying significant sequence identity with...
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Báo cáo khoa học: Ligand binding and antigenic properties of a human neonatal Fc receptor with mutation of two unpaired cysteine residues docx
... Successful selection depends on whether or not quantities of pure target are available In this report we describe a simple and cost-effective way to generate large quantities of functional mutant shFcRn, ... bond Signals for these peptides alkylated by iodoacetamide were not detected, indicating a rather quantitative disulfide bond formation Similarly, in aliquot derived from hFcRn HCs, the expected ... matrix can be utilized to purify antiFcRn-specific Ig and, consequently, elution conditions can be chosen as desired Next, sera from goats immunized with the shFcRn mutant were purified in a large-scale...
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