常見例句雙語例句The physical properties of polyethylene obtained with rare earth catalyst have been studied by various methods.本文研究了用稀土催化劑聚合得到的聚乙烯(稀土聚乙烯)的結(jié)構(gòu)及性能。The invention relates to a sulfoacid rare earth catalyst for polymerizing high-cis-isoprene rubber and a preparation method thereof.一種用于聚合高順式異戊二烯橡膠的磺酸稀土催化劑,其特征在于該催化劑是由苯磺酸釹稀土配合物及烷基鋁組成;ip.comIn this paper, the mechanism, processing technology, properties and application of Nano Rare Earth Catalyst for Gas Mask were introduced.本文從催化機(jī)理、制備方法、性能以及應(yīng)用情況等方面介紹了納米稀土防毒面具催化劑。 返回 rare earth catalyst