B, barrier type protective effect when the cold sprayed zinc coating is oxidation, will produce a layer of zinc salt in the coating surface to provide barrier protection.
屏障式保护作用当冷喷锌涂料被氧化时，会在涂料表面产生一层锌盐层来提供屏障保护。
Protection measures such as installation of desulfurization unit to reduce H_2S, improvement of tank operating conditions and application of sprayed aluminum on welded area etc are presented.
同时提出了具体的防护措施，如增加脱硫装置以降低H_2S的浓度，改善压力容器工况条件，以及对焊缝部位采取喷铝措施等。
Excellent solution for outdoor installations. Operates in a wide temperature range. The housing provides IP65 (NEMA4) compliant protection against sprayed water.
户外安装的极佳选择，不仅温度范围宽而且外壳材料为IP65（NEMA4）保护防水溅。
NEMA 13 - Indoor use with some protection against dust, sprayed water, oil and non-corrosive liquids.
符合NEMA13—室内使用一些防尘，喷洒水，油和非腐蚀性的液体。
According to the Environmental Protection Agency, in 1999 growers in states using high amounts of Bt cotton sprayed 21 percent less insecticide than usual on the crop.
根据美国环保署的资料，1999年大量种植Bt棉花的各州，杀虫剂的喷洒量比往常减少了21%。
According to the Environmental Protection Agency, in 1999 growers in states using high amounts of Bt cotton sprayed 21 percent less insecticide than usual on the crop.
根据美国环保署的资料，1999年大量种植Bt棉花的各州，杀虫剂的喷洒量比往常减少了21%。
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