risk assessment of airborne chemicals

Environmental Risk Assessment Reports - Chapter 24 ppsx

Environmental Risk Assessment Reports - Chapter 24 ppsx

... Discussion of airborne chemical risk assessment centers around modeled predictions, the toxic effects of the chemicals (especially at low doses), probabilities of accidental releases, the hazards of ... December 28, 2000 12:23 PM RISK ASSESSMENT OF AIRBORNE CHEMICALS 467 of stacks, etc., and (4) negative pressure that develops inside basements that sucks in volatile chemicals, radon, etc from ... Thursday, December 28, 2000 12:23 PM RISK ASSESSMENT OF AIRBORNE CHEMICALS 473 III ESTIMATING CHEMICAL CONCENTRATIONS AT EXPOSURE POINTS: TRANSPORT MODELS A first-pass risk assessment might simply evaluate...

Ngày tải lên: 12/08/2014, 04:22

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Tài liệu Mining Database Structure; Or, How to Build a Data Quality Browser docx

Tài liệu Mining Database Structure; Or, How to Build a Data Quality Browser docx

...  Ê W Ê Ă Ê T ƯVDƯrÂ$ƯE#@3ƯbQ"D@Ô$)55$V)Y)Ô)V } 1.1 Related Work SUMMARIZING VALUES OF A FIELD P  Ă G C ( ( Ê 5FƯ $BF)bƠ Ê Ơ   T  Ê â G C C Ơ Ê Ă Ê T â G C  Ê 4P Ê Ă...

Ngày tải lên: 19/02/2014, 12:20

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Developing Data Management Policy and Guidance Documents for your NARSTO Program or Project ppt

Developing Data Management Policy and Guidance Documents for your NARSTO Program or Project ppt

... well as potential data users in the formulation of a data policy A clear statement of the importance of the data collection effort and of the flow of the data and information before, during, and ... project of providing for the timely submission of quality controlled data to national data centers for wider public use *** Timeliness of Data Availability: Considerations for timing of field ... of determining and denoting the quality of a data set (data having either a common method of collection or data collected by various methods in one location) The validation process consists of...

Ngày tải lên: 07/03/2014, 02:20

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Maintaining an Online Bibliographical Database: The Problem of Data Quality potx

Maintaining an Online Bibliographical Database: The Problem of Data Quality potx

... software In some cases we have only the front pages (title pages, table of contents) of a journal or proceedings volume The table of contents often contains information inferior to the head of ... resolved because of lack of information In many cases we are able to find the missing part of the puzzle — for example on personal "home pages" of the scientists themselfes, but often the information ... entering CVs of scientists or reference lists of papers: It is more easy to guarantee complete coverage of a journal or conference series There is less danger to become biased in favor of some person(s)...

Ngày tải lên: 30/03/2014, 13:20

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báo cáo hóa học: " Development of the Knee Quality of Life (KQoL-26) 26-item questionnaire: data quality, reliability, validity and responsiveness" pptx

báo cáo hóa học: " Development of the Knee Quality of Life (KQoL-26) 26-item questionnaire: data quality, reliability, validity and responsiveness" pptx

... of the time Some of the time All of the time Knee pain present at night: None of the time Some of the time All of the time Knee pain worse on movement: None of the time Some of the time All of ... The lack of standardisation in the choice of instruments limits the generalisability of results Furthermore, of the five instruments included in the review that were based on the views of patients ... number of days off work and on which normal activity was prevented because of the knee were of a low to moderate level As expected, the activity limitations scale scores had the highest level of...

Ngày tải lên: 18/06/2014, 19:20

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báo cáo hóa học: " Thai SF-36 health survey: tests of data quality, scaling assumptions, reliability and validity in healthy men and women" pdf

báo cáo hóa học: " Thai SF-36 health survey: tests of data quality, scaling assumptions, reliability and validity in healthy men and women" pdf

... Chaithiraphan S: Reliability of Thai version of SF-36 questionnaire for the evaluation of quality of life in cardiac patients Journal of the Medical Association of Thailand 2000, 83:S130-136 ... corrected for overlap of items out of k with correlation ≥ 0.40 c Correlations between items and other scales d Number of items out of × k where difference between the correlation of the item with ... completed items, the percent of missing data in every item and the frequency distribution of individual items were determined Ordering of levels of health The ordering of item means within its scale...

Ngày tải lên: 18/06/2014, 19:20

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CHAPTER 18: DATA QUALITY IN DW 2.0 potx

CHAPTER 18: DATA QUALITY IN DW 2.0 potx

... PROFILING INCONSISTENCIES CHALLENGE TOP-DOWN MODELING NHỮNG MẤU THUẪN KIỂM TRA DỮ LIỆU THỬ THÁCH MÔ HÌNH TỪ TRÊN XUÔẤ G N DATA PROFILING INCONSISTENCIES CHALLENGE TOP-DOWN MODELING DATA PROFILING ... lượng liệu theo dõi báo cáo DATA PROFILING TOOLS AND THE REVERSE-ENGINEERED DATA MODEL CÔNG CỤ KIỂM TRA DỮ LIỆU VÀ PHẤN TÍCH-CẤẤ TẠO MÔ HÌNH DỮ LIỆU U DATA PROFILING TOOLS AND THE REVERSE-ENGINEERED ... QUALITY IN DW 2.0  THE DW 2.0 DATA QUALITY TOOL SET  DATA PROFILING TOOLS AND THE REVERSE-ENGINEERED DATA MODEL  DATA MODEL TYPES  DATA PROFILING INCONSISTENCIES CHALLENGE TOP-DOWN MODELING CHAPTER...

Ngày tải lên: 26/06/2014, 23:21

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real world solutions for developing high quality php frameworks and applications

real world solutions for developing high quality php frameworks and applications

... measures the scope of a PHP project by means of different forms of the lines of code (LOC) software metric In addition, the number of namespaces, classes, methods, and functions of a project are ... quality” is not Software quality is multifaceted, thus software quality comprises many characteristics Not all of these are equally important for the user and the manufacturer of the software A user’s ... these requests often are turned down Refactoring means modifying the internal structure of software, without changing its visible behavior Automated developer tests of individual software modules...

Ngày tải lên: 01/08/2014, 17:50

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Báo cáo lâm nghiệp: "A framework for data quality for Mediterranean sustainable ecosystem management" pdf

Báo cáo lâm nghiệp: "A framework for data quality for Mediterranean sustainable ecosystem management" pdf

... system of forest resources, in: Pukkala T., Eerikainen K (Eds.), Modeling the Growth of Tree Plantations and Agroforestry Systems in South and East Africa, University of Joensuu, Faculty of Forestry ... and management of tree plantations in South and East Africa, University of Joensuu, Faculty of Forestry Research Notes 120, 2000, pp 121–131 [35] Riera P., Mogas J., Evaluation of a risk reduction ... for effectiveness of data processing, information production and knowledge generation The diversity of Mediterranean natural resources and the amount of data needed for its assessment can hardly...

Ngày tải lên: 08/08/2014, 01:22

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Principles of GIS chapter 7 data quality and metadata

Principles of GIS chapter 7 data quality and metadata

... the quality of a data set in terms of ‘fitness for use’ 7.1.7 Completeness Data completeness is generally understood in terms of omission errors The completeness of a map is a function of the cartographic ... estimate of the spread of a series of measurements around their (assumed) ‘true’ values It is therefore commonly used to assess the quality of transformations such as the absolute orientation of photogrammetric ... definition of standards for the transfer of spatial data The purpose of these transfer standards is to move the contents of one GIS database to a different GIS database with a minimal loss of structure...

Ngày tải lên: 21/10/2014, 10:09

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Data com connect staff present data quality enhancements

Data com connect staff present data quality enhancements

... Rookie Tier Actions Per Day Patterns of Activity Timing of Actions Points Delay Heavily Monitored Manual UTS Detecting + Preventing Fraud: Impact Contribution Volume of Locked Members By Registration ... Community Reports Data Stewardship Team User Trust Score Registration Features Patterns of Activity Timing of Actions Detecting + Preventing Fraud Anti-Fraud Activities Data Defender Reports Community ... Community Reports Data Stewardship Team User Trust Score Registration Features Patterns of Activity Timing of Actions Rookie Tier Actions Per Day Points Delay Heavily Monitored Detecting + Preventing...

Ngày tải lên: 16/02/2016, 18:35

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ENSURING WIRELESS AVAILABILITY AND SERVICE QUALITY WITH DUAL DATA CENTERS

ENSURING WIRELESS AVAILABILITY AND SERVICE QUALITY WITH DUAL DATA CENTERS

... to reduce the overall costs of logistics and staging, ensure accuracy and the on-time availability of materials • Engineering services to ensure the design and detail of the project would meet ... would have stopped the entire project for a number of weeks, but instead was resolved within 24 hours ABOUT ADC PROFESSIONAL SERVICES Through its Professional Services organization, ADC helps plan, ... Professional Services offers comprehensive solutions for network operators delivering voice, video and data services over wireless, wireline and cable networks Learn more at www.adc.com/professionalservices...

Ngày tải lên: 04/11/2013, 13:15

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Tài liệu WATER QUALITY UPDATE: An Analysis of November 2012 Sampling Data pdf

Tài liệu WATER QUALITY UPDATE: An Analysis of November 2012 Sampling Data pdf

... Twelve of the 30 samples were positive during November None of the samples exceeded a count of 20 cfu/100mL For the current six-month period, 0.0% of the samples have exceeded a count of 20 cfu/100mL ... Fourteen of the 30 samples were positive during November None of the samples exceeded a count of 20 cfu/100mL For the current six-month period, 0.0% of the samples have exceeded a count of 20 cfu/100mL ... first line of defense against water contamination Three-quarters of the watersheds are protected lands and over 80% are either forest or wetlands The map below indicates the location of reservoirs,...

Ngày tải lên: 19/02/2014, 17:20

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Methods for Measuring Cancer Disparities: Using Data Relevant to Healthy People 2010 Cancer-Related Objectives doc

Methods for Measuring Cancer Disparities: Using Data Relevant to Healthy People 2010 Cancer-Related Objectives doc

... this case, the most disadvantaged in terms of income or education The issue of the effect on health disparities of the movement of individuals slope index of inequality, primarily because the absolute ... impact of eliminating health-damaging exposures and is a function of the prevalence of the exposure and its associated relative risk In this case the exposure is poverty, and the interpretation of ... in subgroup rates of health, regardless of the number of individuals that may be affected Thus, it is more focused on strict equality of health status measures, regardless of social-group size...

Ngày tải lên: 06/03/2014, 01:20

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Water-Quality Data from Semipermeable-Membrane Devices and Polar Organic Chemical Integrative Samplers Deployed in the McKenzie River Basin, Oregon pptx

Water-Quality Data from Semipermeable-Membrane Devices and Polar Organic Chemical Integrative Samplers Deployed in the McKenzie River Basin, Oregon pptx

... J., 2008b, Investigation of organic chemicals potentially responsible for mortality and intersex in fish of the North Fork of the Shenandoah River, Virginia, during spring of 2007: U.S Geological ... the presence of anthropogenic organic compounds Among the organic compounds of interest to EWEB are many that may have human-health consequences at concentrations that are orders of magnitude ... R.C., and Smith, S.B., 2008a, Chemical and toxicological assessment of organic contaminants in surface water using passive samplers: Journal of Environmental Quality, v 37, p. 1024‑1033 Alvarez,...

Ngày tải lên: 14/03/2014, 20:20

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báo cáo sinh học:" Human resources and the quality of emergency obstetric care in developing countries: a systematic review of the literature" potx

báo cáo sinh học:" Human resources and the quality of emergency obstetric care in developing countries: a systematic review of the literature" potx

... on the advice of one of the authors (PF), an expert in the field of maternal health and EmOC, the search strategy was supplemented by a systematic review of the table of contents of specific targeted ... perceptions of the quality of care This is reported in Tanzania in 2003, where the low rate of utilization of health centres providing EmOC is partially due to the poor perception of quality of care ... the different "cultures" of patients and staff and should be implemented [60] Besides, intensification of the psychological aspect of care could help reduce the risks of overly medicalized childbirth...

Ngày tải lên: 18/06/2014, 17:20

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báo cáo hóa học: "Investigating the missing data mechanism in quality of life outcomes: a comparison of approaches" pdf

báo cáo hóa học: "Investigating the missing data mechanism in quality of life outcomes: a comparison of approaches" pdf

... the mechanism of missing data was much more consistent across assessments The sensitivity of different analyses depends on the proportion of missing assessments and the strength of the underlying ... continuing slow change in the means of later dropouts does not mask the differences of mean values by moving the mean of the non-dropouts into the direction of the mean of the dropouts Ridout's logistic ... each assessment, one identifies the set of patients for whom assessment is available at that point and then identifies the subset for which this is the final assessment before they drop out of...

Ngày tải lên: 18/06/2014, 18:20

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báo cáo hóa học: " Quality of life data as prognostic indicators of survival in cancer patients: an overview of the literature from 1982 to 2008" pot

báo cáo hóa học: " Quality of life data as prognostic indicators of survival in cancer patients: an overview of the literature from 1982 to 2008" pot

... functioning had a relative risk of recurrence of 1.72 (95% CI = 1.01-2.93) and a relative risk of dying of 1.90 (95% CI = 1.10-3.26) [78] The authors speculated that the influence of cognitive functioning ... lower risk of death (risk ratio 0.95; P < 0.001), Page of 21 (page number not for citation purposes) Health and Quality of Life Outcomes 2009, 7:102 http://www.hqlo.com/content/7/1/102 Quality of ... advantage of this line of research is that of potentially providing clinicians with a more accurate picture of the patient's prognostic profile, hence possibly further improving accuracy of prognosis...

Ngày tải lên: 18/06/2014, 19:20

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báo cáo hóa học: " Simple imputation methods were inadequate for missing not at random (MNAR) quality of life data" pot

báo cáo hóa học: " Simple imputation methods were inadequate for missing not at random (MNAR) quality of life data" pot

... x1 vector of means of the observed variaˆ bles for pattern p, m is the maximum likelihood (ML) ˆ estimate of the mean of Yi and ∑ is the maximum likelihood estimate of the covariance of Yi The ... under-dispersion for each method A PV of one indicates that the variance of the imputed values is equal to that of the true values A PV of less than one implies underestimation of the true variance The bias ... of those recruited were 85 and over At four months, the proportion of deaths was larger in the older age group (85+) Table shows the number of EQ5D assessments at each time point The number of...

Ngày tải lên: 18/06/2014, 19:20

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