This paper introduces the cause of the seepage in valve box of oil isolation pump, and solves the problem of the valve box seepage by way of the improvement of die slot in O - ring and seal material.
本文介绍油隔离泵阀箱渗漏的原因，能过对阀盖O型圈沟槽的改进及采取乐泰密封胶替代牛油盘根进行密封，解决了阀箱渗漏的问题。
The technology of microcapsule preparation by oil phase isolation method was introduced, where ethyl cellulose was used as wall material and inorganic thermochromism material as core material.
介绍了以乙基纤维素为壁材，无机变色材料为芯材，油相分离法制备微胶囊技术。
This paper summarizes oil vapor cleaning method, isolation method and the key points of implementation during the welding of oil depot equipment.
总结了油库设备焊割动火作业中油蒸气的清除、隔离方法及其组织实施要点，有利于油库整修改造过程中焊割动火作业的安全管理。
Features: able to endure the erosion of oil-resisting and non-polarity solvent heat isolation is better than the natural rubber and styrene butadiene rubber.
能抗耐油和非极性溶剂的腐蚀，耐热性能比天然胶、丁苯胶好。
It can be used for interlayer isolation of gas or oil insulation system, especially interlayer insulation and turn-to-turn insulation of sulfur hexafluoride mutual inductors and transformers.
可在气体或油的绝缘系统内作层间绝缘。主要用于六氟化硫互感器和变压器的层间绝缘及匝间绝缘。
DNA isolation is one of the basic techniques of molecular biology, and extracting DNA with high quality is the key of edible oil research.
DNA提取是分子生物学的基础技术，能否提取到高质量的DNA，是食用油研究的关键。
DNA isolation is one of the basic techniques of molecular biology, and extracting DNA with high quality is the key of edible oil research.
DNA提取是分子生物学的基础技术，能否提取到高质量的DNA，是食用油研究的关键。
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