因此，如何通过净化技术改善室内空气污染也是国内外室内污染问题的研究热点。

Therefore, how to purify the indoor air pollution by air purifying technique is also a research heat of indoor pollution problem both at home and abroad.

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通过净化合金液，细化基体晶粒，细化碳化物可使铬合金白口铸铁的冲击韧性提高。

By purifying the alloy melt, refining matrix grain and carbide, it is possible to increase the impact toughness of the Cr-alloyed white cast iron.

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通过净化介质可提高光学击穿阈值，进而提高相位共轭保真度、能量反射率及其稳定度等SBS特性。

By purifying the medium, the optical breakdown threshold can be increased; thus the phase-conjugation fidelity, the reflectivity of the energy and the stability of SBS increase correspondingly.

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So inadvertent sins can be purged, the sanctuary defilement that they cause can be purged by bringing a purification sacrifice.

无意的罪孽可以被净化，给圣所所带来的玷污,可以通过进行净化祭来净化。

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Now, in contrast to the land, God's sanctuary can be purified for moral impurity by means of a special sacrifice.

与土地对比，上帝的圣所倒是可以通过一些特殊的献祭,净化道德上的不洁。

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