These curves and datas are of great use to compositions and function of petroleum ether and liquid paraffin, this analytical method is based on TBP distillation of coal liquefied oil.
这些曲线及数据不仅对石油醚和液体石蜡的组成和使用性能有参考价值，而且这种分析方法为煤液化油的实沸点蒸馏奠定了基础。
The solvent content in discharged liquid paraffin (called rich oil) is not more than 5%, so as to ensure the maximum absorption rate.
出来的石蜡液（称作富油）含溶剂量不超过5％，以保证最大的吸收率。
High purity heavy liquid paraffin and low condensing point dewaxing oil are produced by urea complex using Daqing crude oil distilling cut as raw materials.
以大庆直馏柴油为原料，经异丙醇尿素脱蜡制得纯度较高的重质液体石蜡和低凝点脱蜡油。
Methods Using the liquid paraffin as the oil phase, L-ascorbyl palmitate as the cross linking agent, and span-80 as the emulsifier.
方法以液体石蜡为油相，L -抗坏血酸棕榈酸酯为交联剂，司盘- 80为乳化剂，采用乳化化学交联技术制备多柔比星脑用微球。
High purity light liquid paraffin and low condensing point kerosene are produced by urea complex using Zhongyuan crude oil distilling cut as raw materials.
以中原原油直馏馏分为原料，用尿素络合法制得纯度较高的轻液体石蜡和低凝点煤油。
A liquid paraffin as oil phase was added to penicillin fermentation process to increase medium oxygen transfer.
以一种液态烷烃为油相，将其引入青霉素发酵过程以提高氧的传递。
A liquid paraffin as oil phase was added to penicillin fermentation process to increase medium oxygen transfer.
以一种液态烷烃为油相，将其引入青霉素发酵过程以提高氧的传递。
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