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- C 5 distillate of ethylene accessory substances was used as raw material. C5馏分油主要来源于石油烃高温裂解制乙烯过程的副产品 ,随着乙烯工业的发展 ,乙烯废弃的C5馏分量逐年增大。 另一方面 ,民用燃料需要量颇为可观。
- The hydroformylation of isoprene,1 octene,cyclopentadiene,and C 5 distillate where cyclopentadiene has been removed is studied under the hydroformylation conditions(6. 羰化反应条件下考察了异戊二烯、1-辛烯、环戊二烯、混合碳五馏份及脱去环戊二烯的碳五馏份的羰基合成反应。
- In this paper an overall research is made on such main parameters related to hydrocarbon C 5 air mixture as dew point, webbe number, combustion potential and explosive limits. 根据热力学原理导出了空气中轻烃碳五含量的计算公式,对不同的温度和压力下碳五在空气中的最大含量进行了计算。
- Study on the Asymmetric Bioreductions of Candida sp. C 5 假丝酵母C-5的不对称生物还原作用研究
- D 2．B 3．D 4．C 5．D 6．A 7．B （文）8．A （理）8．B 一、本题共8小题；每小题3分，共计24分。在每小题的选项中只有一个符合题意，把正确的选项填在括号内。
- C comes after B in the alphabet. 在字母表中C接在B后面。
- These fish vary in weight from 3 lb to 5 lb. 这些鱼的重量从3磅到5磅不等。
- The going rate for freelance work is 5 an hour. 自由职业者的现行酬金是每小时5英镑。
- B comes before C in the alphabet. B在字母表里排在C之前。
- Many children under 5 go to nursery school. 5岁以下的许多儿童都上幼儿园。
- Meals average out at 5 per head. 膳食平均每人5英镑。
- She left out a "c" in "account" . 她在"account"这个词中漏掉了一个"c"。
- Children under 5 can travel for nothing. 5岁以下儿童可免付旅费。
- Even the cheapest was priced at 5. 即使最便宜的也标价5英镑。
- The liquid was 5 litres in volume. 该液体的体积为5升。
- The ratios of 1 to 5 and 20 to 100 are the same. 1与5之比和20与100之比相同。
- The winning time was 1 minute 5 seconds. 获胜的时间是1分零5秒。
- I found a 5 note on the pavement. 我在人行道上捡到了一张5英镑的纸币。
- He is 5 centimeters taller than her. 他比她高5公分。
- He is 5 centimetres taller than her. 他比她高5公分。
