外源性污染

在有效控制外源性污染的同时，削减富营养化水体中的氮、磷及有机负荷才能从根本上解决水体的富营养化。

Effectively control exogenous pollution while cutting nitrogen , phosphorus and organic load can fundamentally solve eutrophication .

乙型脑炎病毒HW1克隆纯化株的鉴定及外源性污染的检定

Identification of Japanese B Encephalitis Virus HW 1 Clone purified Strain and Detection of Its Outer Contamination

污染为外源性污染，与垃圾肥料的使用有关。

It is related to the garbages and fertilizers .

卫生防疫部门要加强卫生管理和监测，防止和控制食品的外源性污染。

Health management and monitoring must be enhanced in order to prevent and control extrinsic infection from drink and food .

生物负载评价和无菌问题也提到了，并且汇总表描述了外源性污染，建议的检测和在何阶段进行检测。

Bioburden assessment and sterility issues are also addressed , and a summary table describes adventitious agents , recommended tests , and stages at which to perform testing .

本研究体会到，保持标本新鲜，少坏死，避免内源性RNA酶（RNase）活化及外源性RNase污染是一次性抽提成功的关键。

Conclusion Keeping the tissues fresh and avoiding activation and contamination of RNase is crucial in tissue RNA extraction .

目的了解肺、食管手术中可能受到的各种内源性、外源性细菌污染，以利更好地控制手术后感染。

Objective To evaluate the exogenous and endogenous contaminating bacteria during pulmonary and esophageal surgery , in order to prevent postoperative infections efficiently .

指出了传统事件相关电位研究中的突现刺激会诱发外源性成分污染内源性认知成分，并导致注意自动俘获。

Stimuli with abrupt onset in traditional visual event related potential studies would evoke exogenous components to contaminate endogenous cognition components and capture attention automatically .

人类活动引起的外源输入性汞污染对矿区土壤中汞的环境毒性和污染特征产生了重大影响。

The results indicated that exogenous mercury pollution caused by human activities provides significant influence on environmental toxicity and pollution characteristics of mercury in soils of mercury deposit area .