石油公司使用的分散剂在接近冰点的温度下效果不佳，用于防止溢油扩散的栏油栅面对漂浮的冰山也无能为力。
Dispersants used by oil companies do not work well at or near freezing temperatures. Booms to contain a spill cannot be used with icebergs floating in the water.
使用分散剂会降低石油直接与鸟，鱼，海洋生物以及岸上的所有东西的直接接触，但在某种情况下，会增加海床上生物的风险。
The use of dispersants reduces the chances of direct exposure to oil by birds, fish, sea animals and everything ashore, but it may increase the risks for things on the sea floor in some circumstances.
当把分散剂喷洒在光滑的石油上时，它们会促进原油的分解，形成能广泛分散的微小球状物，能被细菌分解。
When applied to a slick of oil they are meant to break it up into tiny droplets which disperse widely and are broken down by bacteria.
令海洋化学家克里斯·雷迪懊恼的是，科学家没有能够取到更多深海分散剂与石油的混合物样品。
Chris Reddy, a Marine chemist, regretted that scientists had not been able to get more samples of the deep-sea dispersant-oil mixture.
英石油考虑在提升管裂口附近油污滚滚的地方喷洒分散剂，这样做也许比在海面喷洒的效果好上至少20倍。
BP thinks spraying dispersants into the oil plume where it leaves the riser may be 20 times more effective than waiting until it reaches the surface.
BP公司每天花费数百万美元用围油栏收集石油，使用化学分散剂分解石油，并燃烧海洋表面的一部分石油。
BP is spending millions of dollars a day to contain the oil with booms, using chemicals to disperse and break it up, and burning some oil on the ocean surface.
与此同时，在中国东北城市大连附近，相关官员说，大约500艘渔船正使用吸附物和分散剂帮助清理散布在73平方英里海域的石油。
Meanwhile, near the northeastern Chinese city of Dalian, officials said around 500 fishing vessels were using absorbents and dispersants to help soak up oil on a 73 square mile stretch of ocean.
研究发现，添加石油沥青可以促进乳化液中沥青分子与分散剂界面上表面活性剂分子的取向稳定性，从而明显改善沥青微球的球形度。
It was found that petroleum pitch addition could improve the sphericity of pitch spheres by stabilizing the surfactant orientation on the interface between pitch molecules and dispersant.
美国环保局称，处理墨西哥湾泄漏原油所使用的分散剂的毒性不会比石油大。
The dispersant used after the Gulf of Mexico oil spill is no more toxic than oil alone, the us Environmental Protection Agency (EPA) has said.
用石油醚作为分散剂，干法制备低取代度阳离子淀粉，反应效率更高，产品更均一。
The low degree of substitution cationic starch was synthesized in dry process by using petroleum ether as dispersant. The reaction efficiency was more effective and the product was more homogeneous.
结果表明，在柴油中添加石油磺酸钙清净分散剂，可以降低柴油机的排放烟度和CO含量，特别是烟度的降低幅度较大。
The results showed that the engine emissions of exhaust smoke and CO content decreased by adding fuel detergent in diesel fuel.
结果表明，在柴油中添加石油磺酸钙清净分散剂，可以降低柴油机的排放烟度和CO含量，特别是烟度的降低幅度较大。
The results showed that the engine emissions of exhaust smoke and CO content decreased by adding fuel detergent in diesel fuel.
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