N-heterocyclic carbene metal complexes have catalytic activities for many organic reactions, and they are a type of catalyst with potential value.

杂环卡宾金属络合物对许多反应有催化作用，它们是一类有潜在应用价值的催化剂。

youdao

The products from GTL include fuel oil, base oil for lubricant, and other chemicals, which are environmentally friendly due to their few S, N, metal, and aromatic hydrocarbon content.

GTL产品基本上由直链烷烃、烯烃组成，具有无硫、无氮、无金属、无芳烃等特点，是环境友好的油品和化学品。

youdao

A novel metal chromium containing organic monomer, N vinylcarbazole chromium tricarbonyl has been synthesized and the structure has been confirmed by elemental analysis, IR and 1H NMR spectra.

合成一种新的金属铬有机单体N -乙烯基咔唑三羰基铬，经元素分析、 IR和1H NMR确证和表征。

youdao

Angry crowds surrounded the observers' cars and hurled stones and metal rods at the vehicles, said Sausan Ghosheh, a spokeswoman for the U.N. monitoring mission in Syria.

CNN: SHARE THIS