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- spiro macromolecular compound 螺环大分子化合物
- Abstract: A new technology of preparation of LaF3 by converting NH4HCO3 with macromolecular compound as precipitating aid agent was studied. 文摘:本文研究了以碳酸氢铵转型制备氟化镧过程中添加大分子助沉剂的新工艺。
- A new technology of preparation of LaF3 by converting NH4HCO3 with macromolecular compound as precipitating aid agent was studied. 本文研究了以碳酸氢铵转型制备氟化镧过程中添加大分子助沉剂的新工艺。
- Chitin is the most natural macromolecular compound in the world, except for the celluse.It exists in all kinds of the marine arthropod, such as shrimp and crab. 除纤维素外，甲壳素是自然界中蕴藏量最大的天然高分子化合物之一，广泛存在于海洋节肢动物、藻类细胞膜和高等植物细胞壁中，分布极其广泛。
- A new technology to prepare terbium fluoride was studied by reacting with ammonium bicarbonate and with macromolecular compound as the precipitating aid. 研究了用碳酸氢铵转型并添加大分子助沉剂制备氟化铽的新工艺。
- Chitin is the most natural macromolecular compound in the world,except for the celluse.It exists in all kinds of the marine arthropod,such as shrimp and crab. 除纤维素外,甲壳素是自然界中蕴藏量最大的天然高分子化合物之一,广泛存在于海洋节肢动物、藻类细胞膜和高等植物细胞壁中,分布极其广泛。
- A new technology of preparation of LaF 3 by converting NH 4HCO 3 with macromolecular compound as precipitating aid agent was studied.The mechanism of the precipitation was discussed primarily. 本文研究了以碳酸氢铵转型制备氟化镧过程中添加大分子助沉剂的新工艺。
- Chitosan is a sort of natural macromolecular compound with aboundant resource,excellent properties and wide use.The preparation of chitosan and its application in textiles were introduced. 壳聚糖是一种资源丰富、性能优良、用途广泛的天然高分子化合物,介绍了壳聚糖的制备方法以及壳聚糖在纺织上的应用。
- A macromolecular compound having strong adsorption is synthesized.The compound as oiliness additive is emulsified.By this emulsion and another additives a wet high-speed drawing lubricant is prepared. 以自制的一种强吸附性高分子化合物作油性剂乳化，配合其它添加剂，制成了一种能够适应高速拉拔的湿式润滑剂。
- By adding some macromolecular compounds with good compatibility and low volatility such as amine, polyether, polyamine ether and epoxy resin. 通过在均聚醋酸乙烯树脂中加入胺类、聚醚类、聚氨醚类和环氧树脂等各种掺和剂进行改性,使其使用时间有不同程度地提高,而粘合强度不下降。
- As two of the most abundant natural macromolecular compounds in the world, cellulose and chitin are renewable and have extensive sources. 摘要纤维素和甲壳素是自然界中含量最丰富的两种天然高分子化合物，不仅来源广泛且均为可再生资源。
- Results:RLS determination DNA was based on the electrostatic interaction of the organic molecules with DNA and the DNA macromolecular compounds were formed. 结果:试验表明共振光散射法对核酸的测定是基于有机分子以核酸为模板,由于静电作用在其表面聚集,形成核酸的超分子化合物。
- synthetic macromolecular compound 合成巨分子化合物
- The paper analyzes the application of thermochemical analysis in the weightlessness and other relevant natures of organic substance and macromolecule compound when heated. 文章简述了热化学分析法在有机物、高分子化合物变热失重及其它和热相关的性质分析方面的应用.
- The results indicate that bentonite may be the additive instead of macromolecule compound totally, and it is a direction of the additive in suspension confection. 试验表明:用膨润土作为添加剂配制的浆料,完全可替代高分子化合物,是磨料浆体射流浆料配制中添加剂的一个发展方向。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- At this point Vice President Spiro Agnew spoke up. 这时，斯皮罗·阿格纽副总统发言了。
- Polyethylene polypropylene fiber compound waterproof volume material is made by several layers of macromolecule compound materials which synthetize this new type of waterproof material. 聚乙烯丙纶复合防水卷材是由多层高分子合成材料经复合制砀 新型防水材料。
- Air is a mixture, not a compound of gases. 空气是气体的混合物，不是化合物。
- Rose is a plant with compound leaves. 玫瑰是复叶植物。
