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- The preparation of strontium barium niobate powders and films by the polymeric precursor method 聚合物前驱体法合成铌酸锶钡铁电薄膜
- LOW-TEMPERATURE PREPARATION OF NANO-CRYSTALLINE LITHIUM NIOBATE POWDERS BY THE POLYMERIC PRECURSOR METHOD 用聚合物前驱体法低温合成铌酸锂纳米粉体
- Keywords polymeric precursor method;polymeric precursor solution;citrate acid;lithium tantalate thin films; 关键词聚合物前驱体法;前驱体溶液;柠檬酸;钽酸锂薄膜;
- polymeric precursor method 聚合物前驱体法
- Powders of (l-x)CaTi03-xCa(Mgi/3Nb2/3)O3 system were synthesized by the precursor method. 采用前驱体法制备了(1-x)CaTiO_3-xCa(Mg_(1/3)Nb_(2/3))O_3(CMNT)陶瓷粉体，该法制备的陶瓷粉体物相纯、烧结温度低，有利于改善微波介电性能。
- The precursor method could solve the problem that the appearance of pyrochlore phase during the synthesis procedure by avoiding the direct reaction between PbO and Nb2O5. 采用二次合成法制备PMN-PT钙钛矿相，避免了PbO和Nb2O5 的直接反应，从而抑制了焦绿石相的生成。
- In the article, the technological principles, process and the pluses and minuses of these methods, including sol-gel, coprecipitation, the organic coordination precursor methods, microemulsion method and hydrothermal, are summarized. 概述了化学共沉淀法、胶-凝胶法、机配合物前驱体法、乳液法以及水热合成法的制备原理、备过程。
- Based on the analysis of the data from 414 earthquakes, we get the conclusion that geomagnetism and underground water level observations are the fairly good precursor methods. 遵照“地震监测能力好的前兆手段，在其监测范围内，有震时应有较高的异常比，无震时应有较低的异常比”的原则，我们认为地磁和地下水位是比较好的前兆观测方法。
- The method seems good but it needs to be tried out. 这个方法似乎不错，但需要试验一下。
- A polymer of two or more different monomers. 共聚物一种由两种或多种不同单体构成的聚合物
- The precursor of the modern car was a horseless carriage with a petrol engine. 现代汽车的前身是不用马拉的，装有汽油发动机的车子。
- Conductive polymer poly (p-phenylene vinylene) (PPV) and precursor of PPV were prepared via Wessling’s method. 采用Wessling的前驱聚合物法获得导电聚合物PPV前驱体。
- I can't claim infallibility for this method. 我不敢说这方法绝对有效。
- Summer fallow is the best method of destroying weeds. 夏季休耕是消灭杂草的最好办法。
- polymeric precursor 有机前驱体
- Popularizing this new method is not an easy job. 推广这种新方法不是件容易的工作。
- This is not an economical method of heating. 这不是一种经济的取暖方式。
- A molecule that can combine with others to form a polymer. 单体可以与其他分子结合形成聚合物的分子
- I have a simple and easy method. 我有个简易的方法。
- I went through by a summary method. 我成功运用了一个简易的方法。
