The important fators which affect culture conditions of ? Halobacterium halobium ? B were screened by Plackett? Burman design.利用Plackett-Burman设计筛选出影响盐生盐杆菌( Halobacteriumhalobium )B培养条件的重要因素,然后利用正交试验设计对这些重要因素加以优化....
Materials which have magnetic properties similar to iron are ferromagnetic.具有类似于铁那样的磁性的材料就是铁磁物质.A number of rather exotic ferromagnetic materials have been studied to this end.为此,研究了许多颇为奇特的铁磁材料.It is sometimes difficult ...
For straight - winged tailless airplanes, only the negative camber satisfies the conditions for flight.对直机翼无尾飞机, 只有负弯度才满足飞行条件." To Camber Company, please . It's on 32 nd avenue . "去 坎培克斯 公司. 在第32街上.The front subfram...
无论是警方还是其他什么人都不会想到来这里找他。The police, or whoever, would not think of looking for him here.我想我刚才看到了什么人。Just now I thought I saw someone.你知道这都是些什么人。You know who these people are....
他一直等到所有的行李都拿走了，但始终没看见葆拉的。He waited until all the luggage was cleared, but Paula's never appeared.我们大多数航班行李限重为每位乘客44磅。Most of our flights have a baggage allowance of 44lbs per passenger.旅客通过入境检查后领取了自己的行李。The passenge...