阜新市空气污染指数分析

来源 :黑龙江环境通报 | 被引量 : 4次 | 上传用户:wangkanli
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
根据阜新市环境监测中心站空气自动站监测数据,运用空气污染指数法,对阜新市2007年空气质量进行分析。结果表明:2007年阜新市空气质量级别为良,首要污染物为PM10。冬春季空气污染较重,污染源排放、不利气象和二次扬尘等因素是造成阜新市大气污染的主要原因。
其他文献
A 3-year-old boy presented with postprandial vomiting and epigastric pain for 3 wk. Barium meal study suggested hypertrophic pyloric stenosis. Ultrasound of the
采用结构模态参数的两步识别法对现场获得的信号进行分析,并应用该方法对青铜峡水电站的大坝损伤进行了诊断,获得了较好的效果。 The two-step identification method of st
Objective: To explore the risk factors and prophylaxis and treatment of cytomegalovirus interstitial pneumonitis(CMV-IP) after allogeneic peripheral blood stem
AIM: To study the effects of microcirculation disturbance(MD) on rats with acute severe pancreatitis (ASP).METHODS: We developed ASP rat models, and anatomized
Two new compounds, namely 7α, 10α-dimethyl-3β-isopropene-1, 2-ene-octahydronaphthalene (1) and ethyl 5Z,8Z, 11Z, 14Z-nonadecatetraenoate (2) were isolated fr
AIM: To examine the ability of ET-1 to affect the cell functions of PSCs and the underlying molecular mechanisms. METHODS: PSCs were isolated from the pancreas
AIM: To investigate the contribution of HBV in the development of hepatocarcinoma by examining the effects of HBV on p53 function in SMMU-7721 cell line.METHODS
A 49-year-old woman, who had undergone hysterectomy for low-grade endometrial stromal sarcoma (ESS) 3 years ago, presented with a 2-wk history of lower abdomina
A man who developed profound septic shock was treated for Escherichia coli sepsis of unknown origin. Following stabilisation, a diagnosis of pylephlebitis (infe
AIM: To review the risk of proximal colon cancer in patients undergoing colonoscopy.METHODS: We estimated the risk of advanced proximal adenomas and cancers in