Proper infection dosage and routes were selected to make the chickens artificially infect avian colibacillosis successfully.选择适宜的攻毒剂量和攻毒途径,诱发淮南麻黄鸡大肠杆菌病.The dosage of technological parameter and feasible emulsification an...
We need to find ways of dealing creatively and usefully with our feelings.我们需要找到一些既有创意又实用的方法来调整我们的情绪。In some cases the slag can be disposed of usefully.有时炉渣能有用处.We can usefully distinguish between four main kinds of inte...
The hydrogenation can be controlled to produce any degree of hardness desired in the product.为了生产所需要的任何硬度的产品,可对氢作用加以控制.Its hydrogenation activity in aromatics saturation and ring opening activity were investigated.芳烃加氢饱和...
The bartender had a florid face and a receding hairline.酒吧男招待面色红润，前额有点脱发。Jacobs was a stout, florid man.雅各布斯身材结实，脸色红润。Years of heavy drinking had given Alison a florid complexion.长期酗酒使艾莉森面色绯红....