Various pre-concentrating techniques of krypton and xenon are adopted in large scale air separation units with different process flows.

大型空分设备的工艺流程不同，采取的氪、氙预浓缩技术也不同。

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The design program has been introduced with a perforated plate distributor in a molecular sieve adsorber of a small scale air separation unit as an example.

以小型空分设备分子筛吸附器的孔板分布器为例，通过例题演算，介绍了设计程序。

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Aquifer thermal-energy storage (ATES) has become a widely-used practical energy storage technology and can be applied in large-scale air-conditioning projects.

地下含水层储能已成为一项应用日益广泛的实用储能技术，可以很好的应用于大型空调项目。

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General Petraeus appeared to be pointedly rejecting suggestions by some analysts, and some officials and members of Congress, that the United States should scale back its ground operations in Afghanistan and focus on air strikes and special operations missions.

VOA: standard.2009.09.23

However, he added that this action would not take the form of large scale air strikes in the region.

BBC: Saddam 'faces US attacks'

This project makes use for the first time of high resolution simulations from a state-of-the-art regional atmospheric chemistry model to capture both urban and regional scale air pollution features.

UNESCO: 2015 For Women In Science Fellows

The health impacts valuations presented in the study come from national benefit per ton figures developed from a Community Multi-scale Air Quality (CMAQ) model, which is regularly used in EPA Clean Air Act rulemaking.

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