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1)  Pollute more.
污染程度越高.
2)  pollution level
污染程度;污染度
3)  pollution state
污染程度
1.
Four lakes with different pollution state (mesotrophic, meso-eutrophic and eutrophic) were studied and compared over a period of one year for the community structure and biodiversity of zoobenthos.
首次对湖北梁子湖水系污染程度不同(中营养型、中富营养型、富营养型)的4个湖泊的底栖动物群落结构和物种多样性进行了周年研究,结果表明,底栖动物种类数、物种多样性与湖泊受污染程度呈负相关系,密度与污染程度大体上呈正相关。
2.
In order to study current situation of Benxi city groundwater?we appraise pollution state,investigate and understand geological environunent charecteristic of Benxi.
为掌握本溪市地下水现状 ,调查了解本溪市地质环境特征 ,采用与污染起始值相比较的方法 ,评价其污染状况 ,通过计算地下水污染指标 ,划分地下水污染程度 ,为合理开发 ,利用和保护地下水资源提供依
4)  Pollution degree
污染程度
1.
The results showed that the percentage of isolate containing plasmids was related to the pollution degree of the water body.
结果表明:质粒检出率与水体的污染程度密切相关,在清洁河段中,质粒检出率为5。
2.
This paper estimates the noise pollution degrees of Dalian 10 primary traffic routes based on a fuzzy mathematics integrated assessment method.
采用基于模糊数学的综合二级评判方法评价大连10条城市道路交通环境噪声污染程度。
3.
The pore water quality dynamic monitoring data are analyzed to evaluate pollution degree and quality status of pore water in Yuxi Basin synthetically,according to the groundwater and drinking water quality standard of China.
以孔隙水水质监测和民井调查资料为基础,按地下水质量和生活饮用水国家标准,对玉溪盆地孔隙水污染程度和质量现状进行综合评价。
5)  high air pollution
高浓度污染
1.
It is preferable to use CAPPS to predict air quality of one or two levels,however,to predict the high air pollution,it's much worse.
CAPPS预报系统对一、二级空气质量预报效果较好,但高浓度污染预报能力较差。
6)  trans-frontier pollution
越境污染
1.
The uncertainty on the property right of international environment resources makes the treatment of trans-frontier pollution difficult.
国际环境资源的产权之不确定,让越境污染的治理困境重重。
补充资料:污染
分子式:
CAS号:

性质:现今绝大多数发酵过程为纯种培养过程,即在培养过程中只允许一种微生物生长,若有其他种微生物窜入培养液中生长则叫污染,也叫染菌。发酵过程被杂菌污染后,由于杂菌生长会与生产菌种争夺营养和溶氧,杂菌所分泌的代谢物不但会影响目标产物的纯度还可能降低或升高pH值,还可能对生产菌种起抑制作用,大大干扰生产菌的生长,甚至使生产菌死亡,对发酵造成极大的危害。

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