Electron emission type of high temperature and high pressure electrostatic precipitation represents an innovative technology for purifying flue gases.

电子发射式高温高压静电除尘技术是一种新颖的烟气净化方法。

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Emission permit system — a type of transferable permit system in which the permits are defined in terms of the right to emit a stipulated amount of emissions.

排放许可系统——转让许可系统的一种类型，这个许可确定了在权限方面可排放物总额排放的约定。

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A Type 1a supernova caused by accreting material produces significant X-ray emission prior to the explosion.

由物质吸积导致的Ia型超新星会在爆发前产生大量的X射线辐射。

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Finally, Declan looked at the BMW Hydrogen 7 - its only emission is water vapour but the technology for this type of green car is still being developed and currently, there are no models on sale.

BBC: NEWS | Programmes | Breakfast | Low carbon family: "Green" cars