... pre- and post-treatment scores and at varying levels and direction of baseline imbalance, ANCOVA remains the optimum statistical method for the analysis of continuous outcomes in RCTs, in terms of ... CSA Finally, the conditional statistical power of each of the three methods of analysis was calculated as the percentage of rejections of the null hypothesis in the 1000 simulations within each ... priori in terms of their prognostic importance, rather than on the basis of examining baseline imbalance in the trial data – even large imbalance is of little consequence in terms of bias if the...
Ngày tải lên: 02/11/2022, 08:56
... [...]... the shoreline position and identifying of the coastline change in the sandy beaches since 2000 using different approaches; - Investigation and analysis of the reasons ... the changing rates and the factors of the erosion and deposition in Mekong river delta This research also provides the useful information for land-use planning, as well as warning and finding out ... alarming rate over the past decades This study investigates the observation data of shoreline changes collected during 2000 – 2015 at seven sandy beaches of the Yilan County The shorelines of these...
Ngày tải lên: 19/12/2016, 10:02
Analysis of Pesticides in Food and Environmental Samples - Chapter 1 doc
... out the monitoring of pesticide residues in those matrices. Analysis of Pesticides in Food and Environmental Samples focuses on the analytical methodologies developed for the determination of these ... determination in food, soil, water, and air, and the results of their monitoring in food and environmental compartments. I think that this timely and up-to-date work can significantly improve the information ... Albero, and José L. Tadeo Chapter 9 Determination of Pesticides in Water Jay Gan and Svetlana Bonda renko ß 2007 by Taylor & Francis Group, LLC. Chapter 10 Sampling and Analysis of Pesticides in...
Ngày tải lên: 12/08/2014, 04:22
Analysis of Pesticides in Food and Environmental Samples - Chapter 2 pdf
... different polarity) combining the ability of heating of one of the components (i.e., acetone) with the solubility of the more hydrophobic compounds in the other solvent of the mixture (i.e., hexane). ... for the extrac- tion of pesticides. The main limitations of this technique are the high cost of the apparatus and the unavoidable necessity of purifying obtained extracts, which is common to other ... vial without the necessity of subsequent filtration of the obtained extract. Then, the sample is rinsed with a portion of pure solvent and finally, the remaining solvent is transferred to the vial...
Ngày tải lên: 12/08/2014, 04:22
Analysis of Pesticides in Food and Environmental Samples - Chapter 4 ppt
... compounds This includes the design and synthesis of new haptens using the latest concepts and techniques, better understanding and control of the combination of hapten molecules and macromolecular ... conjugation to the carrier molecule for antibody production. The design of a hapten greatly affects the selectivity and sensitivity of the resulting antibody. The distinguishing features of the small ... have been succes sfully adapted for the analysis of a wide range of pesticides [6] and other potential environmental contaminants including PCBs, PAHs, dioxins, and metals [7–10]. Immunoassay methods...
Ngày tải lên: 12/08/2014, 04:22
Analysis of Pesticides in Food and Environmental Samples - Chapter 5 pdf
... balancing of cost and benefit is a key component of designing sampling plans. The information on the uncertainty of sampling, subsampling, and sample processing is equally important as the information ... situation requiring the incorporation of sampling uncertainty in the combined uncer- tainty when relevant. Methods of sampling for the analysis of pesticide residues cannot be validated. Obtaining representative ... based on the results, the analysts, and the sampling of? ??cers responsible for taking the samples. The objectives of the investigation and the corresponding acceptable uncertainty of the measurement...
Ngày tải lên: 12/08/2014, 04:22
Analysis of Pesticides in Food and Environmental Samples - Chapter 8 pdf
... LLC. increased during the last years. In the PLE, the soil sample is placed in a cartridge and extracted with mixtures of acetone and hexane. The use of MAE has also increased because of the good ... volatilization, leaching, runoff, and absorption by plants. In these processes, the physical–chemical properties of pesticides and the adsorption– desorption equilibrium in soil are the main factors involved. ... used for the determin ation of p esticides volat ilized from soil. The appli cation of MAE for the extractio n of pesticide residues is incre asing in the last years and together with o ther modern...
Ngày tải lên: 12/08/2014, 04:22
Analysis of Pesticides in Food and Environmental Samples - Chapter 9 doc
... mL with the needle tip still submerged in the sample solution. The contents of the syringe were then injected into the GC for analysis. Total analysis time was less than 9 min, allowing 11 samples ... be expelled. The microsyringe was then positioned in the extraction stand in such a way that the tip of the extraction needle protruded to a depth of about 8 mm below the surface of the aqueous ... three main disadvantages: the collapsing of the sorbent, desorption problems during elution, and the possibility of reactions between the analytes and the sorbent surface, leading to incomplete...
Ngày tải lên: 12/08/2014, 04:22
Analysis of Pesticides in Food and Environmental Samples - Chapter 10 pdf
... 10 Sampling and Analysis of Pesticides in the Atmosphere Maurice Millet CONTENTS 10.1 Introduction 257 10.2 Monitoring of Pesticides in the Atmosphere 261 10.2.1 Sampling and Extraction of Pesticides ... LLC. The duration of sampling depends mainly on the purpose of the sampling and on the detection limits of the analytical method used. Generally, sampling varied between 24 h and 1 week and the ... Methods used for the sampling and extraction of pesticides in the atmosphere are not diverse. Generally, the sampling is carried out by pumping the air onto traps and extraction of pesticides on...
Ngày tải lên: 12/08/2014, 04:22
Analysis of Pesticides in Food and Environmental Samples - Chapter 11 pot
... surveillance monitoring of which 42% contained residues MRL and in 5% of the samples the residue concent rations exceeded the MRL. In addition to the surveillance sampling, in 2004, 4% of all the samples ... in approximately half of the apple and pears and 60%–70% of the citrus fruits. The ‘‘EU Monitoring of pesticides in Products of Plant Origin 2004’’ included 50,428 fruit and vegetable samples ... Residues MRL were found in 24% of the samples, and residues exceeding the MRL were found in 1.2% of the samples. The processed food comprise of many kinds of food including vegetable oil, canned...
Ngày tải lên: 12/08/2014, 04:22
An economic analysis of changes in the per capita nutrient intake and nutritional inadequacy in Tamil Nadu, India
... vitamin B1, B2 and B6 In the case of phosphorus and Vitamin C, the intake was found to be more than RDA in 2004-05 while the intake decreased in the case of phosphorus and increased in the case of ... 2004-05 and 2011-12 indicated that the degree of existing gap in 2004-05 got widened in the case of nutrients such as carbohydrates, energy and vitamin A In the case of iron and Vitamin C, the intake ... widened in the case of nutrients such as carbohydrate, protein, calcium, vitamin B1, vitamin B2 vitamin B6 and vitamin C and the intake exceeded the RDA in vitamin C and phosphorus in both rural and...
Ngày tải lên: 02/07/2020, 23:41
iTRAQ based comparative proteomic analysis of differences in the protein profiles of stems and leaves from two alfalfa genotypes
... role in the design of the study, the collection, analysis, and interpretation of the data or the writing of the manuscript Availability of data and materials The data supporting the results of this ... involved in photosynthesis that together carry out the primary photochemistry of photosynthesis: the absorption of light and the transfer of energy and electrons LHCI influences the capture of ... formation of 3p-hydroxyphenyl, guaiacyl, and syringyl units and finally the synthesis of lignin [23] An interaction network of 21 proteins was involved in phenylpropanoid biosynthesis (Fig 7), and...
Ngày tải lên: 28/06/2021, 20:42
Analysis of variation in the sla drb1 allelic type and frequency among seven different pig breeds using a comprehensive high resolution genotyping
... II and map of primers used in the method 14 Figure 5: The phylogenetic analysis of assigned alleles and new alleles C21-12 18 v LIST OF TABLES Table PCR primers used for the amplification of ... Iwanaga T, Miyoshi Y and others (2005) Rapid assignment of the swine major histocompatibility complex (SLA) class I and II genotypes in Clawn miniature swine using PCR-SSP and PCR-RFLP methods ... Appendix Supplementary Table The result of allele segregation analysis from parents to offsprings Breed1 No of No of Individuals No alleles3 Family (Parents/offsprings)2 No of KNP 53 (11 / 42) NIH...
Ngày tải lên: 08/08/2021, 17:32
Analysis of Pesticides in Food and Environmental Samples - Chapter 12 (end) potx
... description of the area as well as the locations and frequency of sampling, and the number of the samples The geographical limits of the area, the present and planned water or land uses, and the present ... sampling should target the representativeness of the samples that is related to the number of samples and the selection of sampling stations intended within the objectives of the study The sampling ... adequate reporting of the results in the more meaningful manner; and (6) estimation of the monitoring program cost 12.2.2 SELECTION OF PESTICIDES FOR MONITORING The number and nature of pesticides...
Ngày tải lên: 12/08/2014, 04:22
Water Quality Guidelines, Standards and Health: Assessment of risk and risk management for water-related infectious disease docx
... component of the harmonised framework is the use of an inclusive range of tools for the assessment of risk, including epidemiology and information collected during the investigation of outbreaks of ... equally on the infectivity and invasiveness of the pathogen and on the innate and acquired immunity of the individuals consuming the water It is only prudent to assume, therefore, that no water in which ... treatment and irrigation facilities, and the training of operators and supervisors Standard setting in other countries has been influenced by the WHO guidelines, but often with some modification of the...
Ngày tải lên: 28/03/2014, 23:20
Human health and ecological risk assessment and risk management
... Course Coordinator: Khunying Mathuros Ruchirawat Objectives: Give an introduction to the assessment of risk of chemicals to human health and well-being and the environment, and present the newest ... changes result from the denaturation of proteins and enzymatic digestion of cellular organelles • Leakage of proteins/enzymes out of the injured cell can be used clinically as a marker of cell death ... response GENOMICS IN TOXICOLOGY • Comprehensive understanding of the mechanism of action of toxicants • Identification of biomarkers of exposure • Development of comprehensive screening tools to identify...
Ngày tải lên: 15/04/2015, 09:20
Practical industrial safety, risk assessment and shutdown systems, elsevier (2003)
... with the knowledge of the latest standards dealing with each stage of the safety life cycle fi*om the initial evaluation of hazards to the detailed engineering and maintenance of safety instrumented ... method The studies begin at the earliest possible stage of a project when the concept or outline of the process is set down and are repeated in increasing detail as the design and building of the ... hazard and risk analysis Description of, and information relating to, the hazard and risk analysis Specification for the overall safety requirements in temns of the functions and safety integrity Includes...
Ngày tải lên: 02/01/2014, 09:47
Báo cáo nghiên cứu nông nghiệp " An Integrated Approach to Strengthening Institutional Infrastructure for Environmental Risk Assessment, Monitoring & Remedial Action for Pesticide Residues " pptx
... research and training institutions in Viet Namand in Australia’ This could be achieved by assessing the extent of contamination of pesticides in produce and the environment, classification and prioritisation ... engaged in primary industry, often involving the use of pesticides To the extent that the infrastructure established and other project outcomes will eventually impact on the safer use of pesticides, ... enabling three other trips to be Viet Nam to be conducted during the term of the CARD project The training programs during the project have involved transfer of methods of pesticide monitoring and...
Ngày tải lên: 22/06/2014, 13:20
Statistical Methods of Valuation and Risk Assessment: Empirical Analysis of Equity Markets and Hedge Fund Strategies
... the standard deviation of the residuals from the style analysis of the hedge fund strategy S using the nine indices, σI is the standard deviation of the residuals from the style analysis of the ... above and is consistent with the findings of our generalised style analysis The Kalman filtering and smoother analysis in addition reveals a decaying exposure since 1998, another indication of the ... unexplained by the nine asset classes Then we conduct style analysis of each of the nine asset classes using the remaining eight asset classes as explanatory variables The objective is to obtain the...
Ngày tải lên: 16/04/2013, 20:00
Tài liệu Risk Management Guide for Information Technology SystemsRecommendations ppt
... superseding the existing authorities of the Secretary of Commerce, the Director of the Office of Management and Budget, or any other Federal official 1.2 PURPOSE Risk is the net negative impact of the ... CHARACTERIZATION In assessing risks for an IT system, the first step is to define the scope of the effort In this step, the boundaries of the IT system are identified, along with the resources and the information ... analysis describing the cost and benefits of implementing or not implementing the controls • Step 4Select Control On the basis of the results of the cost-benefit analysis, management determines...
Ngày tải lên: 22/01/2014, 02:20