نتایج جستجو برای: so2 0262 80 00219 939 00369

تعداد نتایج: 215133  

Journal: :Neurological research 2000
B Meyer R Schultheiss J Schramm

The objective of this study was to generate data that allow for estimation of the validity of oxygen saturation (SO2) values in superficial cortical capillaries as calculated by a microreflectometric system (EMPHO II). Capillary SO2 and tissue oxygen pressure (PtO2) were measured simultaneously in the cortex of n = 13 Wistar rats under normocapnic (PaCO2 = 36 mmHg) arterial normoxia (PaO2 = 92 ...

Journal: :Physical chemistry chemical physics : PCCP 2016
Guangzhi He Hong He

The heterogeneous oxidation of SO2 has been the subject of intense scrutiny in atmospheric chemistry because of the adverse effects of sulfate particles. Although it has been found that the soot particles with a graphene-like structure play an important role in the oxidation of SO2, little is known about the atomic-level mechanism involved. Here, we studied the oxidation of SO2 on oxygen-functi...

2017
Sha-Sha Wang Ying-Xin Zhang Feng Yang Zhong-Qin Huang Jun Tang Kang-Di Hu Hua Zhang

Sulfur dioxide (SO2), a gaseous signaling molecule in animal cells, has recently been found to play a physiological role in plants. Here we studied the role of SO2 in gibberellic acid (GA3)-induced programmed cell death (PCD) in barley (Hordeum vulgare L.) aleurone layers. The application of the SO2 donor (NaHSO3/Na2SO3, 1:3 M/M) effectively alleviated PCD in barley aleurone layers in a dose-de...

Journal: :Environmental science & technology 2008
Chuan Wang Hong Liu Xiang-Zhong Li Jianying Shi Gangfeng Ouyang Min Peng Chengchun Jiang Hua'nan Cui

A new concept of desulfurization was developed by designing a series of electrochemical reactions to drive an SO2 absorption-and-conversion process in aqueous solution, hence the SO2 in gas was eventually converted to a valuable chemical of NaHSO4. A model experiment of chemically substantiating this concept includes two steps: (I) absorption of SO2 gas by aqueous solution and oxidation of the ...

2012
Ching-Yu Tseng Yi-Chia Huang Shih-Yung Su Jing-Yang Huang Cheng-Hsiu Lai Chia-Chi Lung Chien-Chang Ho Yung-Po Liaw

BACKGROUND Many studies have examined the association between air pollutants (including sulfur dioxide [SO2], carbon monoxide [CO], nitrogen dioxide [NO2], nitric oxide [NO], ozone [O3], and particulate matter < 10 μm [PM10]) and lung cancer. However, data from previous studies on pathological cell types were limited, especially for SO2 exposure. We aimed to explore the association between SO2 ...

2015
Anita L Reno Edward G Brooks Bill T Ameredes

Sulfur dioxide (SO2) is a problematic inhalable air pollutant in areas of widespread industrialization, not only in the United States but also in countries undergoing rapid industrialization, such as China, and it can be a potential trigger factor for asthma exacerbations. It is known that asthmatics are sensitive to the effects of SO2; however, the basis of this enhanced sensitivity remains in...

2013
Zhou Jianguo Zhang Fen

The prediction of regional sulfur dioxide (SO2) emission of thermal power belongs to gray system which has small amounts of samples and little information, so a appropriate forecasting method is essential. Based on thermal power industry SO2 emission data from state department authorities, considering the main factors of China's thermal power industry SO2 predicted emission, we established a co...

2013
N. V. Komarova I. V. Golubev S. V. Khoronenkova V. I. Tishkova

aA. N. Bach Institute of Biochemistry, Russian Academy of Sciences, 33 2 Leninsky prosp., 117234 Moscow, Russian Federation. Fax: +7 (495) 954 2732. E mail: [email protected] bInnovations and High Technologies MSU Ltd., office 96, 16 ul. Tsimlyanskaya, 109559 Moscow, Russian Federation. Fax: +7 (495) 939 3208 cDepartment of Chemistry, M. V. Lomonosov Moscow State University, 1 Leninskie Gory,...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده علوم پایه 1391

ریزوباکترهای محرک رشد گیاهان از جمله ریزوبیوم باکتری های مفیدی هستند که علاوه بر افزایش رشد گیاهان، می توانند مقاومت به تنش های مختلف محیطی را نیز در گیاهان سبب شوند. یکی از این تنش ها، آلودگی سولفوردی اکسید ((so2 است. گاز so2 به عنوان یک آلاینده آسیب رسان قوی هوا شناخته شده است که رشد گیاهان را محدود می کند. در این پژوهش اثرات غلظت های مختلف گاز so2 (0، 5/0، 1، 5/1 و ppm2) بر شبدر ایرانی تلقیح...

2008
A. Krylov A. Nasonov O. Ushmaev

2 Faculty of Computational Mathematics and Cybernetics, Moscow Lomonosov State University, 119991, Russia, Moscow, Leninskie gory, (495) 939-11-29, [email protected] 3 Faculty of Computational Mathematics and Cybernetics, Moscow Lomonosov State University, 119991, Russia, Moscow, Leninskie gory, (495) 939-11-29, [email protected] 4 The institute of Informatics problems of the Russian Academy of sc...

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