The treated lump cokeite,which is a kind of cleaner fuel with low price and high quality,can reduce the sm...

处理后的块状天然焦是一种廉价、优质的洁净型燃料，作为工业、民用原煤的替代品使用，能大大降低目前的烟煤型污染。

A new tetrakis( p glycylglycinephenyl)porphin and its rare earth (Yb,Sm) complexes were synthesized.They have been characterized by elemental analysis,UV vis,IR, 1HNMR and laser Raman spectra.

首次合成了一种新型的四（对甘氨酰甘氨酸）苯基卟吩及其稀土镱、钐的配合物。用元素分析、红外光谱、紫外可见光谱、核磁共振和激光拉曼光谱等方法进行了表征。

He has been busy with his SMs during his interview, which in the interviewer's aspect could connotate the sickness of the poser and the improbability of intercoursing with bona fides.

谈话中，他不停地收发短信，传递给记者的信息是：他厌倦这些提问，没有与你进行真诚沟通的可能。