The modification of rare earth elements to palladium catalysts leaded to great promotion on both the activity and stability in selective gas hydrogenation of acrylonitrile to propionitrile.
稀土元素对钯催化剂的修饰能够极大地促进丙烯腈选择性气相加氢制丙腈的活性和稳定性。
As a sensitive film SAW gas sensor testing of gas in the central part of its sensitivity, stability, selective, performance of the sensor important factors.
敏感膜作为SAW气体传感器测试气体的核心部分，其灵敏度、稳定性、选择性等是影响传感器性能的重要因素。
The method of parallel motion of response curve for lead ion-selective electrode in lead buffers is given to determine the stability constant of Pb-NTA complex in ethanol-water solvent.
本文提出了金属缓冲溶液中离子选择电极响应曲线平移法测定配合物的稳定常数。
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