نتایج جستجو برای: oil pollution

تعداد نتایج: 205370  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده کشاورزی 1393

چکیده کنه تارتن دو لکه ای tetranychus urticae koch یکی از چندخوارترین آفات شناخته شده محصولات کشاورزی دنیا به حساب می آید. در این بررسی جمعیت تخم و مراحل فعال این کنه در شرایط آلودگی طبیعی و مصنوعی در برگ های 8 رقم لوبیا در سال 1392 در گلخانه و مزرعه تحقیقاتی دانشکده کشاورزی دانشگاه ارومیه موردمطالعه قرار گرفت. آزمایش به صورت طرح کاملاً تصادفی برای شرایط مزرعه در10 تکرار و برای شرایط گلخانه ای...

Journal: :International journal of environmental research and public health 2016
Jerome Nriagu Emilia A Udofia Ibanga Ekong Godwin Ebuk

BACKGROUND Although there is considerable public concern about the environmental impacts of oil pollution in the Niger Delta of Nigeria, actual evidence on the pathological and psychological effects in the health of local communities is minimally known. We sought to associate the perspective measures of exposure to oil pollution with health outcomes (inventory of health symptoms and functional ...

2009
Konstantinos Kotis Andreas Papasalouros Nikitas Nikitakos

In this paper we present an approach which aims to support learners in general and environmental decision makers in particular, towards effective decision making in maritime environmental pollution via education and awareness of specific maritime environmental pollution policies. We build on previous work concerning the automatic construction of multiple-choice questions from ontologies (automa...

دارابی نیا, مرتضی , نجفی اسفاد, مرتضی ,

Background and purpose: Due to the considerable increase in the environmental pollution, especially with oil, during the last 50 years, the international community and international organizations have made remarkable efforts to reduce this pollution. The result was regulating of at least 200 international conventions on environmental issues. The purpose of this study was to evaluate the oil pol...

2014
Zhichun WANG Zengjia WANG Jianhang WANG Wentao LI

Metal abrasive particle content in lubricating oil is an important index to judge the degree of deterioration of lubricating oil. Established a spiral electrode capacitance sensor by the finite element software ANSYS, the simulation result shows that the sensor is sensitive to the content of metal abrasive particle in lubricating oil, not affect by the metal abrasive particle itself. According ...

Journal: :Science 1967

2013
Linhai Zhu Xuechun Zhao Liming Lai Jianjian Wang Lianhe Jiang Jinzhi Ding Nanxi Liu Yunjiang Yu Junsheng Li Nengwen Xiao Yuanrun Zheng Glyn M. Rimmington

Assessing oil pollution using traditional field-based methods over large areas is difficult and expensive. Remote sensing technologies with good spatial and temporal coverage might provide an alternative for monitoring oil pollution by recording the spectral signals of plants growing in polluted soils. Total petroleum hydrocarbon concentrations of soils and the hyperspectral canopy reflectance ...

2017
Chee Kong Yap Alireza Riyahi Bakhtiari Wan Hee Cheng

Marine pollution has been a hot issue since 1990s around the world. Chua discussed marine pollution prevention and management in the East Asian Seas, concentrating on pollution caused by land and sea based sources [2]. The land based sources included destruction of coastal habitats, urban effluents discharge and coastal sand mining has resulted in serious coastline erosion. Sea based sources in...

2012
Andrey Filonov Anastasia Ovchinnikova Anna Vetrova Irina Puntus Irina Nechaeva Kirill Petrikov Elena Vlasova Lenar Akhmetov Alexander Shestopalov Alexander Boronin

Oil is the most widely distributed source of energy in the world and the largest-scaled environmental pollutant. Oil, oil products, and oil-containing industrial wastes pollution is ranked second place after radioactive pollution on account of their harmful action to ecosystems (Chernyakhovsky et al., 2004). Oil deposits in Russia are mainly located in the northern regions of the European part ...

1999
Hossein Ganjidoust

Extraction and transportation of oil in the Sea are one of the pollution sources in the Seawater. Caspian Sea contains about 100000 million barrels of oil. It also contains over 35000 millions cubic meter of flue gas. Daily extractions of crude oil and gas and transportation of them are the main pollution sources of the Caspian Sea. Many truck to carry goods and oil tankers to carry oil from po...

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