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- statistical precursor methods 统计先验类方法
- 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。
- 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 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。
- Statistical techniques are regularly employed. 统计方法得到经常的运用。
- 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。
- Their business methods sicken me. 我很讨厌他们做生意的手法。
- They showed some statistical evidence to support their argument. 他们出示了一些统计数字来支持他们的论点。
- There are no infallible methods. 没有绝对可靠的方法。
- The old methods proved best after all. 采用老方法结果反而是某事物最好。
- 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
- She's not too nice in her business methods. 她的经营方法不敢恭维。
- 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
- His political thinking is statist, too. 他的政治思想也是中央集权性质的。
- Employment of empirical methods, as in science. 经验方法的运用,例如在科学中
- Thefirst telephone was the precursor of modern communications networks. 最早出现的电话是现代通讯网的雏型。
- We'll try to improve our teaching methods. 我们要设法改进教学方法。
- This is not a treatise on statistical theory. 这不是一篇有关统计理论的论文。
- These methods have fallen into disuse. 这些方法已废而不用了。