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- Keywords silicon oxynitride;solid reaction;chemical vapor deposition;organic precursor method; 氮氧化硅;固相反应;化学气相沉积;有机先驱体;
- organic precursor method 有机前驱体法
- 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。
- Geochemical study has demonstrated that bitumen exhibits similar composition of organic precursor with crude oil. 地球化学研究表明，沥青和原油有相似的生源组成。
- 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。
- organic precursor impregnation method 有机泡沫浸渍法
- 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。
- 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。
- Pyrolytic conversion of organic precursors is an important way to synthesizeadvanced ceramie materials. 有机先驱体热解转化法是合成先进陶瓷材料的一种重要途径。
- Tears are secreted by an organ under the upper eyelid. 眼泪由上眼睑下面的器官分泌。
- 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。
- The organ play as the bride come down the aisle. 当新娘沿著通道走过来时，风琴演奏了起来。
- The music is organic to the story. 这首乐曲是这个故事必不可少的组成部分。
- 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
- The illness is organic in origin. 该病起初是器质性疾患。
- I am not good at organic chemistry. 我的有机化学学得不好。
- 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
- The organ rolled out a stately melody. 风琴奏出庄严的乐曲。
- The organ has two banks of keys. 那架风琴有两排键盘。
