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反污染

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When a patient with pneumonia has a history of soil or river water aspiration and the lung infection responds poorly to antimicrobial therapy for community-acquired pneumonia, pulmonary nocardiosis should be considered and a careful search performed for evidence of the organism is necessary.

从这个病例,我们可以学到当病患有接触泥土或受到污染的水的病史时,而且病患对於治疗社区型肺炎的抗生素毫无反应时,必须将土壤菌丝属肺炎列入鉴别诊断。

Based on the geometric characteristics of the zone, the allowable discharge amount and the cut-down amount were estimated by inversion method.

并利用污染带的几何特徵参数反演推算了允许排污量和削减量。

Nitrite reductases are the key enzymes in the denitrification pathway of the nitrogen cycle.

亚硝酸还原酶是反硝化过程中的关键作用酶,它使NO2?转变成NO,减轻了水体中的氮污染。

Series 288A represents a complete line of vacuum breakers designed to prevent backsiphonage of contaminated water into a potable water supply.

系列288A是一个完整系列的真空断路阀,适用于防止污染水反虹吸进入饮用水供应管路中。

The damage of retrograde condensate pollution on condensate gas wells is a very important problem while condensate reservoirs are developed,which decreases the productivity of the condensate gas wells and causes the slope of quadric form negative.

反凝析污染对凝析气井的伤害是凝析气藏开发中遇到的一个非常重要的问题,它不但降低了近井地带的渗流能力,造成所求的产能偏小,且有时会使产能指示曲线出现斜率为负的异常情况。

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推荐网络例句

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了

The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.

世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。