The alternative use of buffered silica gel resulted in modest hydrolysis ( ~5 - 10 % ) of the imine.选用温和的水解导致缓冲硅胶 ( ~ 5-10% ) 的亚胺.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.The drug buffe...
...when the country was going through the final throes of civil war.当时这个国家正处在内战最后的痛苦关头The country is in the throes of a general election.该国正忙于大选。The country is in the throes of a general election...该国正忙于大选。The dead tycoo...
This chip appears to be made up of discrete platelets which have adhered to one another.这种碎片看来似乎由彼此粘着的分散薄层所构成.A life worth living should be made up of continuous efforts and progresses.只有不断的努力和进步,方能成就有意义的生活.The volumes w...
...the yielding ground.松软的土地The long cruel winter came to an end at last, yielding to a gentle warm spring.漫长的严冬终于结束, 随之而来的是温暖的春天.Oil - yielding organic matter is contained in the shales.在这些页岩里有产油的有机物质.The long cruel win...