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- Methods Male and female adult whole bodies of Periplaneta Americana were extracted in the Coca's solution after defatting. Sequential purification of two steps including DEAE-cellulose 52 ion exchange chromatography and Hiprep Sephacryl? 方法 美洲大蠊全虫经脱脂、Coca’s液处理得到其粗浸液，然后通过DEAE-52离子交换层析、Hiprep Sephacryl?
- Amberlyst A-21, macroreticular ion exchange resi... 阿尔伯特A-21离子交换树脂弱碱型；
- Ay, get it right, two step and let your shou[...... 您浏览了太多的页面，所以您无法看到该页的内容...
- Complete demineralization is achieved by ion exchange. 用离子交换可以获得彻底的脱盐效果。
- Waste treatment by ion exchange produces a reusable water. 用离子交换处理废水可产生回用水。
- One step, two steps, tickled under there! 然后一步步走上手臂，再到腋下搔痒!
- With hydrogen sulfide and tetrapropylene as raw materials, TDM was synthetized by the one step process in the presence of acidic ion exchange resin. 摘要 以硫化氢和十二烯为反应原料，以酸性离子交换树脂为催化剂一步合成叔十二碳硫醇。
- The removal of ammonia in a zeolite media biological aerated filter (ZBAF) includes two types of reactions: nitrification and ion exchange. 沸石滤料曝气生物滤池(ZBAF)对氨氮的去除包括生物硝化和离子交换两种作用。
- Two kinds of organo-montmorillonite (OMMT) were prepared from MMT by ion exchange with two different organic intercalation. 以蒙脱土(MMT)为原料,用两种不同类型的有机插层剂与蒙脱土层间的离子进行交换,制备了两种有机蒙脱土。
- In fact the clean and jerk consist of two steps. 挺举实际上包括两个步骤。
- The two steps cannot be confused. 这两个步骤不能搞混了。
- We must take one step back in order to take two steps forward. 退一步才能进两步。
- He tore up the stairs two steps at a time. 他一步两个台阶地飞奔跑上楼。
- Production of caustic soda in ion exchange membrane me-thod Was reviewed. 本文介绍了离子交换膜方法生产烧碱的发展状况。
- Methods: Extracted by EtOH,purified by 732-positive ion exchange resin. 方法:全草粗粉用乙醇提取,强酸型732阳离子树脂交换纯化。
- Signing code happens in two steps. 对代码进行签名的过程包含两个步骤。
- The capacity of ion exchange of NH +-4Ions on Mg 2+-vermiculite are stud ied. 对经人工改型所得的镁型蛭石进行了铵离子交换性能的研究。
- Why are there two steps to signing? 为什么需要用两步来进行签名呢?
- To turn around and I'll be two steps behind. 你会惊喜的发现我就在你身后两步默默注视着你。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
