identifying pollutants and sources of indoor air contaminants
Tài liệu A REVIEW OF INDOOR AIR POLLUTION AND HEALTH PROBLEMS FROM THE VIEWPOINT OF ENVIRONMENTAL HYGIENE: FOCUSING ON THE STUDIES OF INDOOR AIR ENVIRONMENT IN JAPAN COMPARED TO THOSE OF FOREIGN COUNTRIES pptx
... concentrations of multiple indoor air pollutants It is used as a complementary indicator to decrease indoor pollution level in total and achieve healthy indoor air environment.109) The indoor air concentration ... fuels for heating and cooking.52) Biological Pollutants Dander, mold, dust, and other organisms carried into by animals and people are biological air pollutants in buildings Air pollutants are related ... removal of gaseous and particulate contaminants Indoor Air, 18, 44–50 Otsuki, C (2008) Indoor environment of a nursery school Indoor Environ., 11, 33–35 (in Japanese) Furusawa, H., Nagamine, M and...
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Impact of indoor air pollution on health, comfort and productivity of the occupants pot
... building pathologists and other professionals, financiers and developers, is necessary There is a very wide range of potential indoor air pollution sources, the effects of which may impinge on ... (EPA) 1990 and the Water Resources Act 1991 consider environment and pollution The indoor air quality and the health and comfort in the workplace environment depends upon a number of factors ... aspects, occupancy atad use of the building and the building environment The following set of questionnaires may be helpful in identifying some of the causes and symptoms and the information gained...
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Tài liệu Respiratory health effects of indoor air pollution docx
... outdoors and indoors in the different microenvironments and the time spent in each of these environments, commonly called Table Sources and characteristics of varied indoor air pollutants and associated ... substances; and from emissions of construction materials and furniture.7 Indoor concentrations of pollutants depend on the quantity of emissions, the volume of the polluted space, and the rate of exchange ... indoor air Therefore, indoor exposure, including that in occupational settings, dominates total exposure for many pollutants Indoor sources of air pollution can be categorized by type of source and...
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báo cáo hóa học: " Identifying type and determinants of missing items in quality of life questionnaires: Application to the SF-36 French version of the 2003 Decennial Health Survey" pot
... questionnaire is short and quick to administer (5-10 min) and welladapted for studies in general populations Strategy for identification of type and determinants of missingness The type of missingness ... administration of this questionnaire In this large representative sample of the French population the proportion of missing items varied between 2% and 7% The type of missingness was missing at random ... GH4, RE2 and all items of VT, SF and MH subscales) and missing not at random for the others (items PF2-10, RP2, RP4, BP1, GH2, GH3, GH5, RE1 and RE3) No item was missing completely at random (MCAR)...
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Báo cáo lâm nghiệp: "Forest visitors’ opinions on the importance of forest operations, forest functions and sources of their financing" docx
... lack of objectiveness and incoherency of opinions and attitudes of the respondents, possibly caused by ignorance and misinformation brought about by school education (and education in general) and ... Mts in the north of CR), a highland area (Pasecká skála in the Czech-Moravian Highlands in the central part of CR) and a lowland forest (Knížecí les in the south-eastern part of CR by the Svratka ... the forest function of timber production which is, nevertheless, significantly limited and even impaired by their demands as they increase the costs of timber production and lower the revenues...
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Báo cáo sinh học: "Distribution and sources of variability of sister-chromatid exchange frequencies in cattle" pot
... distribution of SCE frequencies and sources of variation MATERIALS AND METHODS Subjects A total of 24 healthy animals were analyzed, females and 15 males, from different farms and belonging to breeds and ... the (1984) and our results may be sensitivity of their lymphocyte populations Sources of variation in SCE frequency The results of the analysis of variance indicate that group, animal and treatment ... acted for the last 26 h of the culture and was added to a final concentration of Ilgjml (16 11M) for cultures of treatment and to a serum variable concentration for cultures of treatment 2, so that...
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210. With Solid Fuels, a Deadly Risk of Indoor Air Pollution pptx
... The report is called "Fuel for Life: Household Energy and Health." It can be found on the World Health Organization Web site at w-h-o dot i-n-t (who.int) ... search box at the top This VOA Special English Development Report was written by Lawan Davis Read and listen to our reports at voaspecialenglish.com I’m Steve Ember ...
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Experimental analysis of airtightness and estimation of building air infiltration using two different single zone air infiltration models
... K (1998) Airtightness of commercial and institutional buildings: blowing holes in the myth of tight buildings Building and Fire Research Laboratory, National Institute of Standards and Technology ... comparison of measured and simulated air pressure conditions of a detached house in a cold climate Journal of Building Physics, 32(1), 67-89 [31] Juodis, E (2000) Energy saving and airtightness of blocks ... [14] Table provides an estimate of the dispersion of air leakage across different elements of a building as cited in the ASHRAE handbook of fundamentals [17] Table Air leakage distribution across...
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báo cáo hóa học: " Car indoor air pollution - analysis of potential sources Journal of Occupational Medicine and Toxicology 2011, 6:33 doi:10.1186/1745-6673-6-33" docx
... peak and off-peak levels of PM10, PM2.5 and PM1 in air- conditioned train coaches On the other hand, in non air- conditioned coaches a significant difference was documented only for PM2.5 and PM1 ... interaction between pollutants from SHS and vehicular emissions [10] They measured the number concentration and size distribution of UFP and other air pollutants such as CO, CO2 and PM2.5 inside ... between fresh air vs circulating air conditioning systems or the types of cars It may be suggested that the use of the car air conditioning system can improve certain parameters of indoor air quality...
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Indoor Air Pollution Associated with Household Fuel Use in India: An exposure assessment and modeling exercise in rural districts of Andhra Pradesh, India doc
... 3.1 Profile of sampled households ples and 2, respectively, had five years of schooling as the highest education level About 23 and 31 percent of sample households and 26 and 36 percent of the ... world The major sources of indoor air pollution worldwide include combustion of fuels, tobacco, and coal; ventilation systems; furnishings; and construction materials (Table 1) These sources vary ... provided in the glossary 1.3 Indoor air pollutant levels in biomass using households—concentrations and exposures Some of the earliest studies to determine levels of indoor air pollutants associated...
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Addressing the Impact of Household Energy and Indoor Air Pollution on the Health of the Poor: Implications for Policy Action and Intervention Measures pot
... Bibliography Annex A - Range of levels of small particles (PM10 ) and carbon monoxide found in studies of indoor air pollution in developing countries, and WHO and USEPA air quality guidelines for ... the overall body of research on the effects of air pollution on human and animal health 14 | Addressing the Impact of Household Energy and Indoor Air Pollution on the Health of the Poor Implications ... Impact of Household Energy and Indoor Air Pollution on the Health of the Poor Implications for Policy Action and Intervention Measures 5.2 Intersectoral Action The fact that indoor air pollution and...
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Air Pollution : - Effects Of Pollutants And Public Policy Concern pot
... revisions of existing plants The Four Philosophies Most of all air pollution regulations are based directly or indirectly on these four philosophies (a) Emission standards (b) Air quality standards ... coal Air Quality Standard Philosophy • The air quality standard is logically called a “Zero-damage” philosophy • This is based on assumption that the true situation for most major air pollutants ... Unknown Flexibility Poor Fair Unnecessary Unknown Evolutionary ability Fair Fair Good Good Emission Standard Philosophy • “There is some maximum possible (or practical) degree of emission control.”...
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báo cáo hóa học: " Tobacco smoke particles and indoor air quality (ToPIQ) - the protocol of a new study" potx
... most of their time indoors (in industrialized countries, as the USA, up to almost 90 percent [3]) but also because the indoor concentration of pollutants is often much higher [4] The wide range of ... focus on the effect of different window positions and different air vent or air- conditioning modes on the particle concentration of PM10, PM2.5 and PM1 To study the influence of different driving ... products and their concentration of deeply into the airways depositing PM-fractions (PM10, PM2.5 and PM1) must be stated The tobacco smoke particles and indoor air quality study (ToPIQS) will...
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ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - INDOOR AIR POLLUTION docx
... air, the stronger fan will take command and outside air will enter the room through the weaker fan system When there are multiple exhaust hoods and no makeup air, with one hood off, outside air ... area to be exhausted and total exhaust is thereby reduced Relative cost of the hood is low and since less air is exhausted, air conditioning costs are low Air conditioning and fume removal effectiveness ... an outside air inlet for each laboratory Correct selection of the type of makeup air system can be made only by an engineering analysis and flow sheet of the hood exhaust system One of the most...
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Thermal comfort and indoor air quality evaluation of a ceiling mounted personalized ventilation system integrated with an ambient mixing ventilation system
... dissatisfied and preferring less air movement Figure 5.54 Comparison of the percentage of subjects preferring more air 158 movement and the percentage of subjects dissatisfied and preferring more air ... both mixing and displacement ventilation systems, air inhaled by occupants is the mixing of outdoor air and ambient air (although outdoor air at different levels of the two types of ventilation), ... at room air temperature of 26ºC and personalized air temperature 23.5ºC Each line end indicates the highest and lowest of equivalent temperature 82 Figure 4.16d Ranges of the segmented and whole-body...
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Thermal and indoor air quality effects on physiological responses, perception and performance of tropically acclimatized people
... impact of air temperature and outdoor air supply rate on workers’ perception of thermal comfort and other indoor environmental variables, acceptability of air quality and the incidence of SBS ... influence of different types of indoor contaminants, level of contamination and ventilation design and operation that lead to negative health effects and the phenomena of SBS symptoms However, most of ... indoor air quality and subsequently, Woods (1989) mentioned that increasing productivity of 20% of the workforce could be achieved by improving the indoor air quality of offices Wyon (2004) and...
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Modeling the Statistical Time and Angle of Arrival Characteristics of an Indoor Multipath Channel
... The location of the line of sight and the back wall reflection is very dependent on the specific arrangement of transmitter and receiver, and therefore, over a large number of rooms and locations, ... idea of the multipath properties of a wider band of microwave frequencies for indoor applications It is likely that channel parameters will differ for other frequency bands (like the 900 MHz and ... vertical dB beam width of about 30◦ and null to null beam width of nearly 60◦ Using the modified antenna, a number of the sets of data were repeated A comparison of one of the data sets taken...
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Application of Hydrothermal Reaction to Biodegradability Improvement of Refractory Pollutants: Structural Conversion of Di- and Trichloroacetic Acid to Biodegradable Products
... biodegradability of CAAs regardless of the number of attached chlorine atoms The purposes of this research are to investigate the effect of the number of attached chlorine atoms on the reaction mechanism of ... Effect of reaction time on the content change of products from DCAA and TCAA by o hydrothermal reaction at 250 C and MPa Journal of Water and Environment Technology, Vol.1, No.2, 2003 acid, % of ... can be seen from the - 221 - Journal of Water and Environment Technology, Vol.1, No.2, 2003 results of TOC and DOC In case of TCAA, more than 70 % of TOC and CODCr were mineralized within as...
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EMPIRICAL STUDY ON EFFICIENCY AND SUSTAINABILITY OF SOIL PURIFICATION FACILITY FORDISCHARGED POLLUTANTS FROMROAD SURFACE
... 45 Upper layer Lower layer of weir (cm) (cm) (cm) Akadama sand (5) Pit sand (40) Pit sand (45) Journal of Water and Environment Technology, Vol.3, No.2, 2005 water and Overflow water were measured ... content in pit sand The initial nitrogen content of Akadama sand in Tank A was higher than that of pit sand of Tank B The nitrogen content in both Tanks increased with time In both Tank A and B, the ... number of antecedent days of no rain (days), and x4 is average of rainfall intensity (mm/hr) 1.0 × ～1000mm (cumulative rainfall) 0.8 Overflow runoff ratio, ro overflow runoff Ratio(% overflow runoff...
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Tìm thêm: xác định các mục tiêu của chương trình khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008