نتایج جستجو برای: pollution intensity

تعداد نتایج: 249745  

2013
JunYi Liu

In view of the present poultry farming intensity big, disease happens, such as environmental pollution, design the intelligent henhouse environment monitoring system based on zigbee. A detection unit of the system is the main processor cc2430, which coop the sensor detects temperature, humidity, carbon dioxide concentration, light intensity. By zigbee wireless communication module to send data ...

2015
Jin Liu Wei Zhang

OBJECTION The aim of this study is to determine the effect of clothing and the environment on human exposure to ultraviolet light. METHODS The ultraviolet (ultraviolet A and ultraviolet B) light intensity was measured, and air quality parameters were recorded in 2014 in Beijing, China. Three types of clothing (white polyester cloth, pure cotton white T-shirt, and pure cotton black T-shirt) we...

2014
Ibrahem A.A. Almohisen

the study was aimed to investigate the change of some fatty acids to ambient air pollution in four legumes species Pisum sativum L. and (Vicia faba L.m and during summer season were Glycine max and Vigna sinensis grown in five sites mostly affected by high traffic intensity and or industrial activities in Riyadh city capital of Saudi Arabia. The results showed increasing of air pollution (O3, N...

Journal: :پژوهش های جغرافیای طبیعی 0
علی پناهی استادیار گروه جغرافیا، واحد تبریز، دانشگاه آزاد اسلامی، تبریز، ایران

introduction air pollution as one of the most important technological risks of contemporary era is mainly resulted from the emergence of large cities and fast growing industries. one of the main objectives of climatic and environmental studies is to survey atmospheric pollutions. tabriz is one of the metropolises where air pollution is a problem in it. of course, what is essential regarding the...

Journal: :Environmental monitoring and assessment 2008
Jehng-Jung Kao Pei-Hao Li Chin-Lien Lin Wen-Hsin Hu

Pollution loads discharged from upstream development or human activities significantly degrade the water quality of a reservoir. The design of an appropriate water quality sampling network is therefore important for detecting potential pollution events and monitoring pollution trends. However, under a limited budgetary constraint, how to site an appropriate number of sampling stations is a chal...

2017
Dongsheng Zhan Mei-Po Kwan Wenzhong Zhang Shaojian Wang Jianhui Yu

In recent years, severe and persistent air pollution episodes in China have drawn wide public concern. Based on ground monitoring air quality data collected in 2015 in Chinese cities above the prefectural level, this study identifies the spatiotemporal variations of air pollution and its associated driving factors in China using descriptive statistics and geographical detector methods. The resu...

Journal: :Luminescence : the journal of biological and chemical luminescence 2005
Chenglong Wang Da Xing Lizhang Zeng Chunfeng Ding Qun Chen

The structure and function of chloroplast in plant leaves can be affected by acid rain and air pollution. The photosystem II in a plant is considered the primary site where light-induced delayed light emission (DLE) is produced. With the lamina of zijinghua (Bauhinia variegata L.) and soybean (Glycine max (L.) Merr.) as testing models, we studied the effects of artificial acid rain and SO2 on c...

Ahmadpoor, M, Azam, K, Ghasemi, J, Godarzi, Z, Loni, T, Monazzam, M, Oskouie, F,

Background & Aims: Noise pollution is becoming a severe issue for the patients admitted in intensive care units (ICUs). For the reduction of noise pollution in hospitals, researchers recommend proper training and adherence to protocols. The present study aimed to assess the effect of the training of nurses on the reduction of noise pollution in ICUs. Materials & Methods: This clinical trial wa...

2014
Dana Charles Andersen Ramón E. López Anna Alberini Vojislav Maksimovic

Title of Document: ESSAYS ON FINANCIAL MARKET IMPERFECTIONS AND THE ENVIRONMENT Dana Charles Andersen, PhD, 2014 Directed By: Ramón E. López, Professor Agricultural and Resource Economics The first chapter explores the effect of credit constraints on production-generated pollution emissions. I develop a theoretical model wherein polluting firms borrow externally to finance investment in various...

Journal: مدیریت شهری 2015
Mehran Shiravand, Mohammad Emami Amin,

Air pollution is a consequence of human activities, especially in the period after industrial revolution, which has many (direct and indirect) effects on the human and the environment around him. Among different kinds of pollutions, those related to industries and mines are much more dangerous. Therefore, it is necessary to identify these pollutions and specify them so as to reduce the harmful ...

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