... health 13.8.10 ANSI/ ASHRAE Standard 62- 2001: Ventilation for Acceptable Indoor Air Quality ANSI/ ASHRAE Standard 62 specifies minimum ventilation rates and indoor air quality that will be acceptable ... 13.8.13 ANSI/ ASHRAE Standard 113-1990: Method of Testing for Room Air Diffusion ANSI/ ASHRAE Standard 113 specifies measurement techniques for determining air speed, air temperatures, and air temperature ... ventilation standards is set forth in their Field Inspection Reference Manual The lack of indoor air quality standards for general building usage was the impetus for the OSHA indoor air quality rule...
Ngày tải lên: 11/08/2014, 09:21
... Methods A standardized questionnaire was published in two journals subscribed by members of two different self-help associations and all members were asked to complete the questionnaire and to ... the affirmative we asked for the duration of exposure during the working-life, frequency of exposure and average time of exposure The last part of the questionnaire asked for the intake of drugs ... adjusted for age (as median dichotomized categorical variable) and stratified for sex in logistic regression analysis, and only Caucasians were included in the analysis Sample 175 questionnaires...
Ngày tải lên: 20/06/2014, 00:20
báo cáo hóa học: " Genotoxic effects in occupational exposure to formaldehyde: A study in anatomy and pathology laboratories and formaldehyde-resins production" ppt
... Liu D, Lunden MM, Singer BC, Weschler CJ: Indoor air chemistry: cleaning agents, ozone and toxic air contaminants Berkeley, CA: Air Resources Board, California Environmental Protection Agency 2006 ... Institute for Working Life; 2001: 207-209, X2001 - Exposure assessment in epidemiology and practice 26 Pinkerton LE, Hein MJ, Stayner LT: Mortality among a cohort of garment workers exposed to formaldehyde: ... (such as years of employment) were obtained through a standard questionnaire Environmental Monitoring of FA exposure Exposure assessment was performed by applying simultaneously two different methods...
Ngày tải lên: 20/06/2014, 00:20
báo cáo hóa học: " The agreement between workers and within workers in regard to occupational exposure to mercury in dental practice assessed from a questionnaire and an interview" potx
... questionnaire answered at the interview that they had used this method For the use of a mortar, the answer was positive for two out of six who had missing information in the questionnaire and for ... the pairs for the year of starting or ending the two preparation methods The 10, 50 and 90 percentile for the difference between the pairs is also given The highest mean differences appeared for ... primary Page of survey The questionnaire part of the study is described in a former publication [9] Questionnaire for the primary study group In the mailed questionnaire the participants were asked...
Ngày tải lên: 20/06/2014, 00:20
Báo cáo y học: "Association between occupational exposure to mineral oil and rheumatoid arthritis: results from the Swedish EIRA case–control study" docx
... men aAdjusted for age and residential area bAdjusted for age, residential area and smoking The presence of HLA-DR SE genes is a risk factor for RF+ RA and anti-CP+ RA, but not for either RF- ... response rate in the study was high, with 96% for cases and 82% for controls, which limits risk for selection bias in this stage R1301 All results were adjusted for age and residential area according ... mineral oils compared with unexposed men aRF status unknown for one unexposed case bAdjusted for age and residential area cAdjusted for age, residential area and smoking according to instructions...
Ngày tải lên: 09/08/2014, 07:20
Tài liệu How to prepare for the foefl part 29 doc
... been recorded for thousands of years Sunspots have been observed in arrangements of one to more than one hundred spots, but they tend to occur in pairs There is also a marked tendency for the two ... been recorded for thousands of years Sunspots have been observed in arrangements of one to more than one hundred spots, but they tend to occur in pairs.There is also a marked tendency for the two ... been recorded for thousands of years Sunspots have been observed in arrangements of one to more than one hundred spots, but they tend to occur in pairs There is also a marked tendency for the two...
Ngày tải lên: 26/01/2014, 06:20
How to prepare for the foefl part 31
... Prepare for an oral final a Review the quizzes Take the professor's advice 15 What is the woman going to do? GD Make an appointment GD Give the man a pen O Sign the form for the man a Wait for the ... popularity, accounting for about 20 percent of the nitrogen fertilizer used throughout the world Formerly, powders were 26 Which of the following has the smallest percentage content in the formula 4-8-2? ... the Miocene To check your answers for Model Test 2, refer to the Answer Key on page 489 For an explanation of the answers, refer to the Explanatory Answers for Model Test on pages 52 1-54 TOEFL...
Ngày tải lên: 17/10/2013, 18:15
How to prepare for the foefl part 32
... class G He could fill out a form and pay for the D books now O He must wait until the semester begins a He has to register for the classes, and the books will be ordered for him 29 How will the man ... important as dialects because there is no standard for them Structure This section measures the ability to recognize language that is appropriate for standard written English There are two types ... Hartford Later, when he turned a Webster's Life to teaching, he discovered how inadequate the available schoolbooks were for the children of a new and independent nation In response to the need for...
Ngày tải lên: 20/10/2013, 09:15
How to prepare for the foefl part 33
... fault systems, many of which underlie the smaller towns and cities along the California coast For this reason, Californians have long anticipated the recurrence of what they refer to as the "Big ... fault systems, many of which underlie the smaller towns and cities along the California coast For this reason, Californians have long anticipated the recurrence of what they refer t d as the "Big ... fault systems, many of which underlie the smaller towns and cities along the California coast For this reason, Californians have long anticipated the recurrence of what they refer to as the "Big...
Ngày tải lên: 20/10/2013, 09:15
Answers to all toefl essay question part 48
... obstetrics/gynecology, is the potential for forming close, lasting, meaningful relationships with a wide array of patients For me, medicine emerges as the perfect avenue for indulging my impulses to contribute, ... $21.00 ISBN: 0886852129 How to Prepare for the GRE Test with CD-ROM Sharon Weiner Green; Paperback; Buy New: $20.96 ISBN: 07641 7629 3 The Ultimate Math Refresher for the GRE, GMAT, and SAT Lighthouse ... and have chaperoned for a local Christian school Outside pure academics and leadership roles, I lift weights five times a week for an hour each day In addition, I play singles for my school's varsity...
Ngày tải lên: 20/10/2013, 14:15
Answers to all toefl essay question part 49
... work forever," I sat up and took notice I decided that in spite of my training, and even though I still loved science, research was not right for me I wanted a career, or at least a job for starters, ... don't tell" means that if you want to relate a personal quality, so through your experiences without merely asserting it Before: If it were not for a strong support system which instilled into me ... remember that transition is not limited to words like nevertheless, furthermore or consequently Good transition flows from the natural thought progression of your argument Before: I started playing...
Ngày tải lên: 20/10/2013, 14:15