The effect of air quantity and zinc concentration on forming T-ZnO_w whisker is analyzed.

分析了空气量和锌浓度对形成四针状的氧化锌晶须的影响。

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A proposal for control of airflow in a mine fire is proposed by optimization of air quantity in a ventilation network.

提出了用通风网络风量优化计算的方法求解矿井火灾时期的风流控制方案。

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Periodically remove the indoor dust and bacteria, and clean up with damp cloth or wet mop, disinfect the air filter processing, reasonable regulation of the air quantity, replacement of fresh air.

定期清除室内的粉尘及微生物，清理卫生时最好用湿布或湿拖把，对空气过滤器进行消毒处理，合理调节风量，更换新鲜空气。

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Much like the U.S. Air Force F-16 program yielded greater quantity discounts through competition and earning its way into foreign air forces, the Army leveraged a steadily expanding community of Patriot partners to procure systems more economically while continually enhancing system performance and technology.

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Another, which would oppose warming, is a rise in the quantity of sulphate-based aerosols, which encourage cloud formation and thus cool the air by reflecting sunlight back into space.

ECONOMIST: Climate change: Oceans apart | The

An integrated-assessment model quantifies the marginal damages of air pollution emissions for the US which are multiplied times the quantity of emissions by industry to compute gross damages.

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