نتایج جستجو برای: air quality standards
تعداد نتایج: 1019331 فیلتر نتایج به سال:
Distributed power generation-electricity generation that is produced by many small stationary power generators distributed throughout an urban air basin-has the potential to supply a significant portion of electricity in future years. As a result, distributed generation may lead to increased pollutant emissions within an urban air basin, which could adversely affect air quality. However, the us...
Development of Highly Efficient Multi-invariable Wireless Sensor System Design for Energy Harvesting
Capillary wireless sensor networks devoted to air quality monitoring have provided vital information on dangerous air conditions. In adopting the environmentallygenerated energy as the fundamental energy source the main challenge is the implementation of capillary networks rather than replacing the batteries on a set period of times that leads to functional dilemma of devices management and hig...
Air pollution is a critical environmental issue for California, which has some of the nation’s most polluted air basins and also the nation’s most stringent set of state and local air quality standards. This paper reviews my previous work in Lin (2011), in which I examine the effects of agriculture-related local regulations in California on air quality, as measured by the number of exceedances ...
air quality is a topic of crucial importance, because air pollution is one of the most important pollution problems in the world. in particular, predicting or detecting a future extreme air pollution episode or predicting the violation of an air quality standard, is of crucial interest in the field of pollution control. there have been a variety of attempts to reach this purpose both from the p...
This article describes how Androfert complied with the Brazilian Cells and Germinative Tissue Directive with regard to air quality standards and presents retrospective data of intracytoplasmic sperm injection (ICSI) outcomes performed in controlled environments. An IVF facility, composed of reproductive laboratories, operating room and embryo-transfer room, was constructed according to cleanroo...
Background and Aim: One of the notorious air pllutants on which air quality is determined is carbon monoxide (CO). The aim of the present study was to measure the concentration of CO outdoor and indoor urban environments and compare it with air quality standards within buildings and open spaces. Materials and Methods: This research was a descriptive-analytical study of CO estimation in ou...
1. General legislative procedures in environmental control 2. Legislative procedures concerning ambient air quality standards 3. The social and economical aspects in setting air quality standards. 4. Summary of the WHO guidelines 4.1 Guideline values based on effects other than cancer 4.2. Criteria Based on Carcinogenic Effects 4.3. Guidelines Based on Ecological Effects on Vegetation 4.4 . Use...
Some appliances so/d as indoor air deaners, indoor air purifiers, and personal air purifiers, purposely emit ozone, purportedly to clean the air. Manufacturers often fa/se/y c/aim that these devices eliminate bacteria, mold, and chemical contaminants from the air, and that they he/p persons WMI asthma and allergies. Advertising and sales of such devices is increasing. Staff will report on a rec...
Air pollution control in the United States for five common pollutants--particulate matter, ground-level ozone, sulfur dioxide, nitrogen dioxide, and carbon monoxide--is based partly on the attainment of ambient air quality standards that represent a level of air pollution regarded as safe. Regulatory and health agencies often focus on whether standards for short periods are attained; the number...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید