... processes involving chemical reactions A chemical transformation can be expressed in many forms called chemical formulas, and we have to select one of them as the framework (or basis) for the analysis ... the specific chemical formula selected However, the ratio of any two coefficients is the same, regardless of the chemical formula used 2.3 EXTENT OF A CHEMICAL REACTION Once the chemical formula is ... one forward and one backward The arrow also serves as an equality sign for the total mass represented by the chemical formula Thus, each chemical reaction should be balanced; an unbalanced chemical...
Ngày tải lên: 01/04/2014, 10:36
... for each parameter using the four results 8.2.5 For each parameter compare s and with the corresponding acceptance criteria for precision and accuracy, respectively, found in Table If s and for ... held at 100°C for four minutes, then programmed at 8°C/min to a final hold at 280°C Table 3—QC Acceptance Criteria—Method 610 Parameter Test conc (µg/L) Limit for s Range for Range for (µg/L) (µg/L) ... of 5-25 µL for HPLC and 2-5 µL for GC, analyze each calibration standard according to Section 12 or 13, as appropriate Tabulate peak height or area responses against concentration for each compound...
Ngày tải lên: 14/02/2014, 03:20
Tài liệu METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER doc
... the chemical analysis Additional references to laboratory safety are available and have been identified4,6 for the information of the analyst Apparatus and Materials 5.1 Sampling equipment, for ... concentration for each compound and internal standard, and calculate response factors (RF) for each compound using Equation Equation where: As = Response for the parameter to be measured Ais = Response for ... or falls 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 each compound of interest...
Ngày tải lên: 14/02/2014, 03:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER pot
... Performance Tests 10.1 At the beginning of each day that analyses are to be performed, the GC/MS system must be checked to see if acceptable performance criteria are achieved for BFB.9 The performance ... available to all personnel involved in the chemical analysis Additional references to laboratory safety are available and have been identified4-6 for the information of the analyst 4.2 The following ... and dry at 105°C before use Septum—Teflon-faced silicone (Pierce #12722 or equivalent) Detergent wash, rinse with tap and distilled water, and dry at 105°C for one hour before use Purge and trap...
Ngày tải lên: 05/03/2014, 21:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 604—PHENOLS docx
... concentration for each compound and internal standard Calculate response factors (RF) for each compound using Equation Equation where: As = Response for the parameter to be measured Ais = Response for ... for each parameter using the four results 8.2.5 For each parameter compare s and with the corresponding acceptance criteria for precision and accuracy, respectively, found in Table If s and for ... available to all personnel involved in the chemical analysis Additional references to laboratory safety are available and have been identified5-7 for the information of analyst 4.2 Special care should...
Ngày tải lên: 05/03/2014, 21:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 605—BENZIDINES pdf
... concentration for each compound and internal standard Calculate response factors (RF) for each compound using Equation Equation where: As = Response for the parameter to be measured Ais = Response for ... for Sampling Water,” American Society for Testing and Materials, Philadelphia “Methods 330.4 (Titrimetric, DPD-FAS) and 330.5 (Spectrophotometric, DPD) for Chlorine Total Residual,” Methods for ... equivalent 5.4.3 Electrochemical detector—Bioanalytical Systems LC-2A with glassy carbon electrode, or equivalent This detector has proven effective in the analysis of wastewaters for the parameters...
Ngày tải lên: 14/03/2014, 20:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 611—HALOETHERS potx
... the chemical analysis Additional references to laboratory safety are available and have been identified4-6 for the information of the analyst Apparatus and Materials 5.1 Sampling equipment, for ... concentration for each compound and internal standard Calculate response factors (RF) for each compound using Equation Equation where: As = Response for the parameter to be measured Ais = Response for ... from those used for calibration For each parameter compare s and with the corresponding acceptance criteria for precision and accuracy, respectively, found in Table If s and for all parameters...
Ngày tải lên: 14/03/2014, 20:20
Báo cáo khoa học: Stoichiometric network theory for nonequilibrium biochemical systems ppt
... regime, the biochemical flux in a particular reaction and the chemical potential difference across the reaction are linearly related via the biochemical resistance Flux decomposition and biochemical ... While the net flux is extremely important for mass conservation, it does not provide sufficient information on biochemical energetics For each reaction in a biochemical network: External flux injection ... it is not clear how to define loops for networks of multispecies biochemical reactions Here we discuss the methodology for imposing energy balance in complex biochemical networks [7] Consider a...
Ngày tải lên: 17/03/2014, 09:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER: METHOD 607—NITROSAMINES docx
... concentration for each compound and internal standard Calculate response factors (RF) for each compound using Equation Equation where: As = Response for the parameter to be measured Ais = Response for ... individual falls 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 ... Test conc (µg/L) 20 20 20 Limit for s (µg/L) 3.4 6.1 5.7 Range for (µg/L) 4.6-20.0 2.1-24.5 11.5-26.8 Range for P, Ps (%) 13-109 D-139 45-146 s = Standard deviation for four recovery measurements,...
Ngày tải lên: 22/03/2014, 14:20
METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER doc
... for each parameter using the four results 8.2.5 For each parameter compare s and with the corresponding acceptance criteria for precision and accuracy, respectively, found in Table If s and for ... 100 100 100 Limits for s (µg/L) 48.9 22.6 31.7 Range for (µg/L) Range for P, Ps (Percent) 38.1-151.8 16.6-100.0 52.4-129.2 14-176 5-112 37-144 s = Standard deviation for four recovery measurements, ... was used to develop the method performance statements in Section 16 Guidelines for the use of alternate column packings are provided in Section 13.1 5.6.3 Column for acids—1.8 m long x mm ID glass,...
Ngày tải lên: 28/03/2014, 19:20
APPENDIX A TO PART 136 METHODS FOR ORGANIC CHEMICAL ANALYSIS OF MUNICIPAL AND INDUSTRIAL WASTEWATER ppt
... 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 ... least seven points per peak For LRMS, use masses at m/z 320, 322, and 257 for 2,3,7,8-TCDD and either m/z 328 for 37Cl4 2,3,7,8-TCDD or m/z 332 for 13 C 2,3,7,8-TCDD For HRMS, use masses at 12 ... system performance is acceptable and analysis of actual samples can begin If s exceeds the precision limit or falls outside the range for accuracy, the system performance is unacceptable for 2,3,7,8-TCDD...
Ngày tải lên: 28/03/2014, 20:20
automatic controls for industrial refrigeration systems
... for Industrial Refrigeration Systems Foreword This Danfoss application guide is designed to be used as a reference document by all those involved in the workings of industrial refrigeration systems ... literature for further information 33 Application Handbook Application example 4.2.6: Electronic solution for LP liquid level control Automatic Controls for Industrial Refrigeration Systems To ... Handbook Automatic Controls for Industrial Refrigeration Systems Liquid Level Control Liquid level control is an important element in the designing of industrial refrigeration systems It controls the...
Ngày tải lên: 28/05/2014, 14:12
channel adaptive technologies and cross layer designs for wireless systems with multiple antennas
... OFDMA/MISO Systems 397 10.3.1 Cross-Layer Design for DS-CDMA/MISO Systems 398 10.3.2 Cross-Layer Design for OFDMA/MISO Systems 398 10.4 Performance Comparisons of DS-CDMA- and OFDM-Based Systems ... Scheduling for CDMA Systems 334 8.7.1 Code Allocation in Multicode CDMA Systems 335 8.7.2 CAFQ for CDMA Systems 335 8.8 Summary 337 Exercises 338 Chapter Packet-Switched Data Services in W-CDMA Systems ... Channel-Adaptive Technologies and Cross-Layer Designs for Wireless Systems with Multiple Antennas Channel-Adaptive Technologies and Cross-Layer Designs for Wireless Systems with Multiple Antennas Theory...
Ngày tải lên: 01/06/2014, 07:54
báo cáo hóa học:" Research Article Diversity-Enabled and Power-Efficient Transceiver Designs for Peak-Power-Limited SIMO-OFDM Systems" potx
... quantitatively analyzed This paper focuses on error performance analysis for SIMO-OFDM systems over peak-power-limited channels Several low-complexity transceiver designs are proposed to collect the antenna ... error performance in practice, it gives an SER lower bound for this channel For OFDM, by setting σs2 = Ppeak and assuming no clipping happens, Monte Carlo simulation gives the SER curve for this ... antenna diversity [10], for example, maximal ratio combining (MRC) and selective combining (SC) Before discussing the peak-power-limited case, we briefly review the MRC method for the linear SIMOOFDM...
Ngày tải lên: 21/06/2014, 18:20
Báo cáo hóa học: "Research Article Novel Heuristics for Cell Radius Determination in WCDMA Systems and Their Application to Strategic Planning Studies" potx
... to be done specifically for each one, and of course for the uplink and the downlink Therefore the formulation explained previously, and the value R p , has to be applied for each service i and ... this process has to be done also for the uplink direction (UL) Therefore, at the end we have obtained another set of two vectors (one for the uplink and one for the downlink), with the cell radius ... factors LTotal i are LTotal = 0.105 for the service S1 , voice, LTotal i = 0.271 for S2 , data 64 Kbps and LTotal i = 0.373 for S3 , data 144 Kbps The results for the downlink cell radius per traffic...
Ngày tải lên: 21/06/2014, 23:20
Báo cáo hóa học: " Research Article A SOA-Based Embedded Systems Development Environment for Industrial Automation" pdf
... context of domain-specific frameworks, for example, in [38] for the definition of a visualization approach for collaborative planning systems, and in [39] for knowledge systematization in the construction ... uniform basis for attaching quantifiable information to UML models QoS information represents directly or indirectly the physical properties not only of the application’s components in the form ... architectural paradigm and the semantic web technology to provide a promising platform for the next-generation ESSs for the industrial systems domain [2] [3] ACKNOWLEDGMENTS This work has been cofunded in...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " 3D-SoftChip: A Novel Architecture for Next-Generation Adaptive Computing Systems" pdf
... Center for Very High Speed Microelectronic Systems, Edith Cowan University, Perth, Australia His research interests include 3D adaptive computing systems and platformbased SoC design for communication ... Standard PE The S-PE is for standard ALU functions and is also optimized for bit-level operation for communication signal processing It comprises sets of 19-bit registers for S-PE instruction decoding, ... bottleneck for future gigascale integrated systems [6, 9] In very deep submicron silicon geometry the standard planar technology has many drawbacks in regards to performance, reliability, and so forth,...
Ngày tải lên: 22/06/2014, 23:20
Báo cáo y học: " Systems biology coupled with label-free high-throughput detection as a novel approach for diagnosis of chronic obstructive pulmonary disease" pptx
... the information available about an organism Systems biology combines data from all these fields with bioinformatic, computational biology and engineering principles to examine organisms as systems ... powerful platform for biomarker studies and has been employed in the measurement of many biomolecules implicated in disease (Table 2) SPR detection systems have now been deployed in assays for a wide ... Analytical Technologies Genes Proteins SYSTEMS BIOLOGY Small molecules RNA Figure puzzle Biology: beginning to piece together the life sciences Systems2 Systems Biology: beginning to piece together...
Ngày tải lên: 12/08/2014, 14:20
Báo cáo y học: "Improved methods for the mathematically controlled comparison of biochemical systems" docx
... S -systems Example mapping: pathways to S -systems The S-system framework provides for a straightforward mapping of biochemical pathway maps into systems of equations The pathway and equations for ... analysis of biochemical systems: a practical guide for biochemists and molecular biologists New York: Cambridge University Press; 2000 Savageau MA: A theory of alternative designs for biochemical ... Savageau MA: Biochemical systems analysis I Some mathematical properties of the rate law for the component enzymatic reactions J Theor Biol 1969, 25:365-369 Savageau MA: Biochemical systems analysis...
Ngày tải lên: 13/08/2014, 22:22
development of novel micro-embossing methods and microfluidic designs for biomedical applications
... micro-/nano structure formation by chemical synthesis, the fishbone valve can be easily incorporated into the microfluidic designs Polymer compact-disk (CD) microfluidic platform integrated with ... CD-like microfluidic platform For packaging microfluidic platforms, a new interstitial bonding technique has been developed, which bonds the polymer-based microfluidic platforms without introducing ... and John C Byrd for serving on my dissertation committee and for their invaluable comments and suggestions, to Paula and Stacy for proofreading all the manuscripts I submitted for publishing Thanks...
Ngày tải lên: 14/11/2014, 13:26