The ability of clay minerals to catalyse decarboxylation has long been recognised.粘土矿物能催化脱羧基作用是早已认识到的问题.The results demonstrate that this catalyse has an excellent activity and selectivity this reaction.结果表明该催化剂对此合成反应具有很...
The company is buffered by long-term contracts with growers.公司通过与种植户签订长期合同得到保障。The drug buffered his pain.药物减轻了他的病痛.The reaction should be buffered to a pH of between 6 and 11.应使反应缓冲到pH值为6～11....
I really feel aggrieved at this sort of thing.我真为这种事感到委屈。You can't put that sort of fear into words.那种恐惧无法用语言表达。Just how much kneading is required depends on the sort of flour.需要揉多久取决于用哪种面。...