论文部分内容阅读
对辽河干流 8个断面多年的水质监测数据进行统计分析 ,计算得出辽河水体污染的内梅罗指数 ,揭示了COD的分布特征和时空变化规律
辽河水体中COD的变化特征
【摘 要】
：
对辽河干流 8个断面多年的水质监测数据进行统计分析 ,计算得出辽河水体污染的内梅罗指数 ,揭示了COD的分布特征和时空变化规律
【机 构】
：
北京大学环境学院资源与环境地理系,辽宁省环境监测中心站
【出 处】
：
环境化学
【发表日期】
：
2004年04期
其他文献
Folic acid attenuates high-fat diet-induced steatohepatitis via deacetylase SIRT1-dependent restorat
BACKGROUND Folic acid has been shown to improve non-alcoholic steatohepatitis(NASH),but its roles in hepatic lipid metabolism,hepatic one-carbon metabolism,and
分泌性中耳炎发病初期多由风邪侵袭,经气痞塞所致,耳闭为病之久,由邪毒滞留而致并与脏腑虚损有关,其治疗从肺论治,从痰论治,行气活血,健脾利湿,清热利湿,泻火行气,养血祛瘀。
BACKGROUND Hemostasis of patients suffering from liver cirrhosis is challenging due to both,pro-and anticoagulatory disorders leading to hemostatic alterations
Refractory very early-onset inflammatory bowel disease associated with cytosolic isoleucyl-tRNA synt
BACKGROUND Aminoacyl tRNA synthetases/ligases(ARSs)are highly conserved enzymes involved in attaching amino acids to tRNA promoting protein synthesis.Although d
Prediction of different stages of rectal cancer: Texture analysis based on diffusion-weighted images
BACKGROUND It is evident that an accurate evaluation of T and N stage rectal cancer is essential for treatment planning.It has not been extensively investigated
湖南省地勘局418队提交的武冈市邓家铺矿区杨柳区段煤炭详查地质报告显示，杨柳区段共探明（332＋333＋334）煤炭资源量1482万t。2007年，湖南省地勘局418队通过对地质资料进行二次开发，发
BACKGROUND Carcinosarcoma(spindle cell carcinoma) of the esophagus is an extremely rare event;the etiology and origins of this neoplasm have not yet been determ
Can adiponectin have an additional effect on the regulation of food intake by inducing gastric motor
The regulation of food intake is a complex mechanism,and the hypothalamus is the main central structure implicated.In particular,the arcuate nucleus appears to
Efficacy of bevacizumab-containing chemotherapy in metastatic colorectal cancer and CXCL5 expression
BACKGROUND In metastatic colorectal cancer(mCRC),the anti-vascular endothelial growth factor drug bevacizumab(BVZ)plus chemotherapy significantly improves progr
背景：肺癌是目前世界上发病率最高的恶性肿瘤之一。在中国,肺癌的发病率呈逐年升高趋势,并已成为恶性肿瘤死亡的最主要原因之一。大部分肺癌,尤其是占肺癌80%的非小细胞肺癌(N