Deaths in jobs related to oil and gas extraction jumped from 72 victims in 2002 to 125 in 2006, a 70 percent increase.
石气开采相关工作岗位死亡人数由2002年的72人增加到了2006年的125人，增幅多大70%。
Mining of copper, cobalt, diamonds, gold, zinc and other metals, as well as petroleum extraction, once accounted for 75 percent of its GDP.
铜、钴、钻石、黄金、锌和其它资源的开采，以及石油开采，曾经占其GDP的75%。
Liquid-Liquid Extraction (LLE) is a kind of tradition sample pretreatment method. There are 70 percent of documents which adopt Liquid-Liquid Extraction as a way of sample pretreatment.
液-液萃取(LLE)是一种传统的样品前处理技术，报道目前有70%的有关文献采用液-液萃取作为样品前处理方式。
The effectiveness of inducers, vortex pumps, and special pump designs for gas extraction for up to 40 percent gas by volume are discussed.
按体积计最多40%的气体的诱导剂，涡旋泵，和特殊的泵的设计，用于气体提取的有效性进行了讨论。
Particularly, because the plate tower is adopted for extraction, the content of the nitrobenzene in the crude nitrobenzene can be reduced by 80 percent.
特别的是，由于采用了板式塔进行萃取，粗硝基苯中硝基苯的含量可以低到80％。
With the methods, the extraction rate of the effective component isorhamnetin in ginkgo leaves can reach 96.77 percent.
依上述方法，银杏叶中有效成分异鼠李素提取率可达96.77%。
After nano-pulverization, extraction percent of ferulic acid was increased by 12.95%.
对于相同的提取时间，纳米当归的阿魏酸提取量比当归细粉增加了12.95%。
The preparation process is as follows: rose is dried and the dried rosebuds are ground into powder; ethanol with concentration of 50 percent to 95 percent is used for extraction for 3 times;
制备过程为：干燥玫瑰花，干燥玫瑰花蕾研磨至粉末状，用50-95％乙醇浸泡提取3 次，过滤合并3次提取液；
The preparation process is as follows: rose is dried and the dried rosebuds are ground into powder; ethanol with concentration of 50 percent to 95 percent is used for extraction for 3 times;
制备过程为：干燥玫瑰花，干燥玫瑰花蕾研磨至粉末状，用50-95％乙醇浸泡提取3 次，过滤合并3次提取液；
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