A method of synthesis of butyl isobutyrate catalyzed by amidosulphonic acid has been studied.以氨磺酸为催化剂催化合成了异丁酸丁酯,确定了酯化优化条件.The method about synthesis of approximate straight line motion mechanism based on moving centrode ...
the synthesis of art with everyday life艺术与日常生活的结合They act at least a temporary block to DNA synthesis in micro - organisms.它们在微生物中至少对DNA合成起暂时性的阻止作用.We made a synthesis of their studies.我们综合分析了他们的研究报告....
He is confident the backroom can step into the temporary void.他确信原先的幕后智囊能够填补暂时的空缺。A spokeswoman said the agreement had been declared null and void.女发言人称该协议已宣布无效。The ship moved silently through the black void.船静悄悄地划过漆黑的夜。...
这项新发明能保证啤酒始终保持丰富的泡沫。The new invention ensures the beer keeps a full, frothy head.推广他的新发明一直是件棘手的事情。It's been a tricky business marketing his new invention.这是一项有多种工业用途的新发明.This is a new discovery that had a number of ...