نتایج جستجو برای: air quality control
تعداد نتایج: 2141727 فیلتر نتایج به سال:
Achieving nearly zero-energy buildings (nZEB) is one of the main objectives defined by European Union for achieving carbon neutrality in buildings. nZEBs are heavily reliant on distributed renewable generation energy sources, which create new challenges associated with their inherent intermittency. To achieve nZEB levels, demand management plays an essential role to balance supply and demand. S...
Despite progress in air pollution control, concerns remain over the health impact of poor air quality. Governments increasingly issue air quality information to enable vulnerable groups to avoid exposure. Avoidance behaviour potentially biases estimates of the health effects of air pollutants. But avoidance behaviour imposes a cost on individuals and therefore may not be taken in all circumstan...
Since activating the International Space Station’s ( IS9 Service Module in November 2000, archival air quality samples have shown highly variable concentrations of octafluoropropane in the cabin. This variability has been directly linked to leakage from air conditioning systems on board the Service Module, Zvezda. While octafluoropropane is not highly toxic, it presents a significant challenge ...
Background & objectives: Environmental standards are quantitative criteria for protecting the environment from pollution and degradation. One of the solutions to improve air quality status is to use reasonable limits to prevent excessive release of airborne contaminants from their various sources. On the other hand, these standards are effective in evaluating air pollution reduction strategies....
The U.S. Government operates seven distinct radar networks providing weather and aircraft surveillance for public weather services, air traffic control, and homeland defense. A next-generation, multifunction phased array radar (MPAR) concept has been proposed that could provide enhanced weather and aircraft surveillance services with potentially lower life-cycle costs than multiple single-funct...
Abstract Background and aims:Nowadays, the non-thermal plasma is considered as a successful new technology with high efficiency in the air pollution control and is in the focal attention of the researchers. Various types of atmospheric pollutants adversely influence on the human health and the environment regionally and globally. Carbon monoxide has been introduced as a critical pollutant wh...
We consider the energy efficiency of error correction mechanisms on a system consisting of a generalpurpose processor and a wireless interface. Since high error rates are inevitable to the wireless environment, energy efficient error control is an important issue for mobile computing systems. We will show that it is not sufficient to concentrate on the energy efficiency of error control mechani...
Background and Objectives: There is a direct relationship between the air quality and human health. In this research, the air quality of Rafsanjan city was monitored regarding the concentration of some pollutants within a year. Materials and Methods: In this descriptive study, portable particle counter and air analyzer were used. Measurement of air pollutant parameters was done every two week...
Environmental pollution control is one of the most important goals in pollution risk assessment today. In this sense, modern and precise tools that allow scientists to evaluate, quantify and predict air pollution are of particular interest. Monitoring atmospheric particulate matter is a challenge faced by the European Union. Specific rules on this subject are being developed (Directive 2004/107...
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