The chemical mass balance(CMB) model introduced by Miller in 1972 is one of the most frequently applied receptor models.

化学质量平衡模型已成为重要的颗粒物源解析模型之一。

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Next, Effect Variance Analysis and Ridge Regression of Chemical Mass Balance were used to calculate the source apportionment.

最后用化学质量平衡法的有效方差分析，脊岭回归分析计算源的分配。

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Mass protests, such as successful demonstrations in 2007 by residents of Xiamen against a planned chemical plant on the coast, are localised.

像2007年厦门居民抵制计划建造的化学工厂之类这样大量保护工作还是需要本土化。

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Will Saddam use chemical and other weapons of mass destruction?

ECONOMIST: How to analyse the battle

"There is regrettably little that the United States can do to ensure the safety of its servicemen and women now exposed to imminent threat of attack by Iraqi chemical and other weapons of mass destruction acquired with the help of German firms, " said Frank J.

CENTERFORSECURITYPOLICY: Center for Security Policy | ��With Friends Like These����(II): German-Iraqi Weapons Deals Should Be A Warning To The West On Export Controls

It is a matter of time before vastly more destructive weapons of mass destruction (chemical, biological, radiological or nuclear) become available to jihadists who believe that, pursuant to Shariah, they are fulfilling Allah's will when they kill "infidels" or otherwise force them to submit to Islam.

CENTERFORSECURITYPOLICY: A virus called 'Shariah'