The model involved in particle charging equation, electric field and charge conservation equation, gas conservation equations of mass and momentum, particle mass and momentum equation.

模型涉及的方程包括：颗粒荷电方程、电场与电荷守恒方程、气体质量与动量守恒方程、颗粒质量与动量方程等。

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Conservation of the world's biota, as we know it, will depend upon rapid, steep declines in greenhouse gas emissions.

正如我们所知道的，保护世界上一个地区的动植物，将依赖于温室气体排放的急剧下降。

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Gilly Llewellyn, from the conservation organization WWF, says pollution and oil and gas drilling are among many threats that could damage the Coral Sea's ecosystem.

来自世界自然基金会保护组织的Gilly Llewellyn说到，有很多可能破坏珊瑚海生态系统的原因，污染和石油及天然气钻取也在其中。\ n。

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The Tennessee senator also wants more exploration for offshore oil and natural gas, and more conservation and efficiency in electricity use.

VOA: standard.2009.04.25

In 2003 and 2004, she chaired the state Oil and Gas Conservation Commission, which regulates Alaska's oil and gas resources.

CNN: Palin: Pioneer, maverick -- and now game-changer

As a former member of the Alaska Oil and Gas Conservation Commission, she has notable credentials in energy issues, something very much on constituents' minds.

FORBES: Magazine Article

Environmental groups had requested the ingredient lists from the Wyoming Oil and Gas Conservation Commission, arguing that the public needs to know what chemicals companies are putting underground.

NPR: Judge Sides With Wyoming In Fracking Chemical Suit