对于蛋白质的结晶，沉淀剂主要在溶剂上产生作用。For protein crystallization, the main impact of precipitant is on the solvent.这种蜡质属于乙醇有机溶剂的萃取物.The waxes are classed as alcohol or organic solvent extracted materials.在醇溶剂中,它不能被硼氢化物还原.It is resista...
...the lurid, crimson glow of the blast furnaces.鼓风炉里耀眼、通红的火光They cleverly hid small lumps of gold in their furnaces.他们狡猾地将小块金子藏在炼丹炉里.Used for corundum bricks, mullite bricks, silicate bricks masonry in blast furnaces, h...
他们往往会买便宜的加工食品，像鸡肉罐头和通心粉之类的。They tend to buy cheap processed foods like canned chicken and macaroni.把通心粉过一过水。Drain and rinse the pasta.他坐下来吃了一大碗通心粉.He sat down to a great dish of macaroni....