advanced methods for modelling hysteretic behaviour of semi rigid joints
Analytical Methods for Monitoring Biodegradation Processes of Environmentally Degradable Polymers
Ngày tải lên :
25/10/2013, 08:20
... is therefore a measure of the degree of biodegradation Several test methods are based on measurement of the BOD, often expressed as a percentage of the theoretical oxygen demand (TOD) of the compound ... mechanisms of hydrolysis have been extensively reviewed not only for backbone hydrolysis but also for the hydrolysis of pendant groups [15–17] The necessary elements for a wide range of catalysis, ... direct parameter for mineralization Therefore, gas evolution tests can be important tools in the determination of biodegradability of polymeric materials A number of wellknown test methods have been...
- 20
- 537
- 0
Tài liệu METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER ppt
Ngày tải lên :
14/02/2014, 03:20
... present, add 80 mg of sodium thiosulfate per liter of sample and mix well EPA Methods 330.4 and 330.5 may be used for measurement of residual chlorine.9 Field test kits are available for this purpose ... 1982 ASTM Annual Book of Standards, Part 31, D3694-78 “Standard Practices for Preparation of Sample Containers and for Preservation of Organic Constituents,” American Society for Testing and Materials, ... deviation of measurements at an average concentration found of , in µg/L C = True value for the concentration, in µg/L = Average recovery found for measurements of samples containing a concentration of...
- 24
- 762
- 1
Tài liệu METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER doc
Ngày tải lên :
14/02/2014, 03:20
... dilution standard be prepared at a concentration of 15 µg/mL of each internal standard compound The addition of 10 µL of this standard to 5.0 mL of sample or calibration standard would be equivalent ... required to operate a formal quality control program The minimum requirements of this program consist of an initial demonstration of laboratory capability and an ongoing analysis of spiked samples ... quality of data that is generated Ongoing data quality checks are compared with established performance criteria to determine if the results of analyses meet the performance characteristics of the...
- 20
- 536
- 0
Tài liệu Báo cáo khoa học: "Methods for the Qualitative Evaluation of Lexical Association Measures" doc
Ngày tải lên :
20/02/2014, 18:20
... applied: Instead of examining only a small sample of -best candidates for each measure as it is common practice, we make use of recall and precision values for best samples of arbitrary size, ... stated at the beginning of this section, the performance of and relative to the other AMs is not better for high-frequency data than for low-frequency data Instead, the poor performance observed in ... best measure for identifying AdjN collocations, except for coordinates between 15% and 20% where t-test outperforms log-likelihood For PNV data, the curves of all measures (except for frequency)...
- 8
- 516
- 0
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER pot
Ngày tải lên :
05/03/2014, 21:20
... 15-40% of Mass 95 30-60% of Mass 95 Base Peak, 100% Relative Abundance 5-9% of Mass 95 50% of Mass 95 5-9% of Mass 174 >95% but 101% of Mass 174 5-9% of Mass 176 Table ... deviation of measurements at an average concentration found of , in µg/L C = True value for the concentration, in µg/L = Average recovery found for measurements of samples containing a concentration of ... characteristic m/z for the parameter to be measured Ais = Area of the characteristic m/z for the internal standard Cis = Concentration of the internal standard Cs = Concentration of the parameter...
- 27
- 771
- 0
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 604—PHENOLS docx
Ngày tải lên :
05/03/2014, 21:20
... present, add 80 mg of sodium thiosulfate per liter of sample and mix well EPA Methods 330.4 and 330.5 may be used for measurement of residual chlorine 10 Field test kits are available for this purpose ... analysis of wastewaters for derivatization products of the parameters listed in the scope (Section 1.1), and was used to develop the method performance statements in Section 14 Guidelines for the ... calibration procedure for FIDGC 7.2.1 7.2.2 7.3 Prepare calibration standards at a minimum of three concentration levels for each parameter of interest by adding volumes of one or more stock standards...
- 22
- 686
- 0
Báo cáo khóa học: Damped oscillatory hysteretic behaviour of butyrylcholinesterase with benzoylcholine as substrate potx
Ngày tải lên :
07/03/2014, 14:20
... the cyclic form (II) is S, the form that does not bind to BuChE The preferred conformation for the enzyme would be a subpopulation of extended form I The different subpopulations of form I might ... minimum value of k1 is about 7–10-fold higher for wild-type than for D70G k1 for wildtype is high because of an initial interaction of substrate with the functional PAS The lower k1 for D70G reflects ... selective binding of NMIA to the E¢ form, when most of the resting enzyme was in the E form Thus most of the enzyme would have to undergo the slow, hysteretic transition before becoming catalytically...
- 15
- 244
- 0
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 605—BENZIDINES pdf
Ngày tải lên :
14/03/2014, 20:20
... outside the range for accuracy, the system performance is unacceptable for that parameter Locate and correct the source of the problem and repeat the test for all parameters of interest beginning ... present, add 80 mg of sodium thiosulfate per liter of sample and mix well EPA Methods 330.4 and 330.5 may be used for measurement of residual chlorine.9 Field test kits are available for this purpose ... of 6.5 - 7.5 with sodium hydroxide solution or sulfuric acid 10.2 Add 100 mL of chloroform to the sample bottle, seal, and shake 30 seconds to rinse the inner surface (Caution: Handle chloroform...
- 17
- 778
- 0
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 611—HALOETHERS potx
Ngày tải lên :
14/03/2014, 20:20
... present, add 80 mg of sodium thiosulfate per liter of sample and mix well EPA Methods 330.4 and 330.5 may be used for measurement of residual chlorine.10 Field test kits are available for this purpose ... Practices for Preparation of Sample Containers and for Preservation of Organic Constitutents,” American Society for Testing and Materials, Philadelphia “Carcinogens-Working Carcinogens,” Department of ... deviation of measurements at an average concentration found of , in µg/L C = True value for the concentration, in µg/L = Average recovery found for measurements of samples containing a concentration of...
- 19
- 920
- 0
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 607—NITROSAMINES docx
Ngày tải lên :
22/03/2014, 14:20
... outside the range for accuracy, the system performance is unacceptable for that parameter Locate and correct the source of the problem and repeat the test for all parameters of interest beginning ... present, add 80 mg of sodium thiosulfate per liter of sample and mix well EPA Methods 330.4 and 330.5 may be used for measurement of residual chlorine.20 Field test kits are available for this purpose ... “Principle of Operation of the Thermal Energy Analyzer for the Trace Analysis of Volatile and Non-Volatile N-Nitroso Compounds,” Journal of Chromatography, 107, 351 (1975) Fine, D.H., Hoffman, F.,...
- 22
- 558
- 0
METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER doc
Ngày tải lên :
28/03/2014, 19:20
... Area of the characteristic m/z for the parameter to be measured Ais = Area of the characteristic m/z for the internal standard Cis = Concentration of the internal standard Cs = Concentration of ... established performance criteria to determine if the results of analyses meet the performance characteristics of the method When results of sample spikes indicate atypical method performance, a ... present, add 80 mg of sodium thiosulfate per liter of sample and mix well EPA Methods 330.4 and 330.5 may be used for measurement of residual chlorine.9 Field test kits are available for this purpose...
- 41
- 579
- 0
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER ppt
Ngày tải lên :
28/03/2014, 20:20
... present, add 80 mg of sodium thiosulfate per liter of sample and mix well EPA Methods 330.4 and 330.5 may be used for measurement of residual chlorine 13 Field test kits are available for this purpose ... deviation of measurements at an average concentration found of , in µg/L C = True value for the concentration, in µg/L = Average recovery found for measurements of samples containing a concentration of ... factors (RF) for 2,3,7,8-TCDD using Equation Equation where: As = SIM response for 2,3,7,8-TCDD m/z 320 Ais = SIM response for the internal standard, m/z 332 for 1312 C 2,3,7,8-TCDD m/z 328 for 37Cl4...
- 20
- 460
- 0
Báo cáo khoa học: "Some Psychological Methods for Evaluating the Quality of Translations" doc
Ngày tải lên :
30/03/2014, 17:20
... the products of the folding out membraneand form of the impulse (2) By any form of the impulse yields the products of the folding out membraneand form of an impulse (3) By any form of the impulse ... yields the products of the folding out membraneand form of an impulse (4) Any form of the impulse is yielded by the interaction of the bending out of the membrane and the form of the impulse (5) ... impulse (5) The impulse in any form yields the products of the folding-out membrane and the form of an impulse (6) Any form of the impulse yields the products of the membrane-folding Published...
- 8
- 427
- 0
báo cáo hóa học: " Time and frequency domain methods for quantifying common modulation of motor unit firing patterns" pot
Ngày tải lên :
19/06/2014, 10:20
... epoch duration [24] However for delays of the order of magnitude of ± 50 ms and FFT lengths of approximately s, this type of bias is very small and unlikely to account for the observed differences ... results in an effective pass band of 0–5 Hz The peak of the signal is 0.75 and occurs at a lag of 3.5 ms Page of 12 (page number not for citation purposes) Journal of NeuroEngineering and Rehabilitation ... technique, this delay information is incorporated in the phase of the estimate and is therefore 2π periodic and would thus yield the same result for integer multiples of delay For significant coherence...
- 12
- 479
- 0
Báo cáo hóa học: " Research Article General Viscosity Approximation Methods for Common Fixed Points of Nonexpansive Semigroups in Hilbert Spaces" ppt
Ngày tải lên :
21/06/2014, 07:20
... approximation of common fixed points of nonexpansive semigroups in Banach space,” Applied Mathematics Letters, vol 20, no 7, pp 751–757, 2007 J S Jung, “Viscosity approximation methods for a family of finite ... Analysis: Theory, Methods & Applications, vol 64, no 11, pp 2536–2552, 2006 X Li, J K Kim, and N Huang, “Viscosity approximation of common fixed points for L-Lipschitzian semigroup of pseudocontractive ... method for an infinite family of nonexpansive mappings,” Nonlinear Analysis: Theory, Methods & Applications, vol 69, no 5-6, pp 1644–1654, 2008 13 H.-K Xu, “Viscosity approximation methods for nonexpansive...
- 12
- 304
- 0
báo cáo hóa học:" Research Article Strong Convergence Theorems of Viscosity Iterative Methods for a Countable Family of Strict Pseudo-contractions in Banach Spaces" pot
Ngày tải lên :
21/06/2014, 11:20
... attained uniformly e for y ∈ S E , iv a uniformly Fr´ chet differentiable norm we also say that E is uniformly smooth , if the e limit 2.1 is attained uniformly for x, y ∈ S E × S E The modulus of convexity ... mapping or p-uniformly convex Banach space with uniformly Gˆ teaux a differentiable norm As applications, at the end of the paper, we apply our results to the problem of finding a zero of an accretive ... x, y ∈ S E , ii a uniformly Gˆ teaux differentiable norm, if for each y in S E , the limit 2.1 is a uniformly attained for x ∈ S E , iii a Fr´ chet differentiable norm, if for each x ∈ S E , the...
- 21
- 379
- 0
báo cáo hóa học:" Research Article Iterative Methods for Finding Common Solution of Generalized Equilibrium Problems and Variational Inequality Problems and Fixed Point Problems of a Finite Family of Nonexpansive Mappings" pdf
Ngày tải lên :
21/06/2014, 11:20
... sets of a family of nonexpansive mapping see 6, The ploblem of finding a common element of EP F, A and the set of all common fixed points of a family of nonexpansive mappings is of wide interdisciplinary ... interest and importance Many iterative methods are purposed for finding a common element of the solutions of the equilibrium problem and fixed point problem of nonexpansive mappings, see 8–10 Fixed ... point of a family of nonexpansive mappings has been studied by many authors The well-known convex feasibility problem reduces to finding a point in the intersection of the fixed point sets of a...
- 29
- 316
- 0
báo cáo hóa học:" Research Article Two New Iterative Methods for a Countable Family of Nonexpansive Mappings in Hilbert Spaces" pdf
Ngày tải lên :
21/06/2014, 11:20
... theorems for noncompact mappings in Hilbert space,” Proceedings of the National Academy of Sciences of the United States of America, vol 53, pp 1272–1276, 1965 10 B Halpern, “Fixed points of nonexpanding ... sup{ Tn z − Tn z : z ∈ B} < ∞ for any bounded subset B of C n Let T be a mapping of C into itself defined by T z limn → ∞ Tn z for all z ∈ C and suppose that ∞ F Tn For given x1 ∈ C arbitrarily, ... x∗ − u ≤ 0, u∈F T 3.4 Proof We first show the uniqueness of a solution of the variational inequality 3.4 , which is indeed a consequence of the strong monotonicity of F Suppose x∗ ∈ F T and x...
- 12
- 423
- 0
báo cáo hóa học:" Research Article New Iterative Approximation Methods for a Countable Family of Nonexpansive Mappings in Banach Spaces" pot
Ngày tải lên :
21/06/2014, 11:20
... space,” Proceedings of the National Academy of Sciences of the United States of America, vol 53, pp 1272–1276, 1965 10 S Reich, “Strong convergence theorems for resolvents of accretive operators ... for proving the convergence result of this paper The first part of the next lemma is an immediate consequence of the subdifferential inequality and the proof of the second part can be found in ... n→∞ ∀y ∈ C Then, for each bounded subset B of C, limn → ∞ supz∈B T z − Tn z 2.9 The next valuable lemma was proved by Wangkeeree et al 25 Here, we present the proof for the sake of completeness...
- 24
- 331
- 0
Báo cáo hóa học: " Research Article Approximation Methods for Common Fixed Points of Mean Nonexpansive Mapping in Banach Spaces" ppt
Ngày tải lên :
22/06/2014, 00:20
... Banach space X is called uniformly convex if δ ε > for every ε > 0, where the modulus δ ε of convexity of X is defined by δ ε inf − x y : x ≤ 1, y ≤ 1, x − y ≥ ε , 2.5 for every ε with ≤ ε ≤ It ... fixed point of S and T This completes the proof of the theorem Acknowledgment The work was partially supported by the Emphases Natural Science Foundation of Guangdong Institution of Higher Learning, ... sequence {xn } converges to the common fixed point of S and T Proof First, we show that the sequence {xn } is bounded For a common fixed point p of S and T , we have Tx − p T x − Sp ≤a x−p b x −...
- 7
- 212
- 0