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- These impulses or elastic waves are generally induced by blasting charges of dynamite in shot-holes drilled into the ground or by weight dropping . 首先是挖一个爆破井，将炸药放人井中，引爆炸药后便会产生所需的弹性波或脉冲。也可以利用一重物自由落体所产生的冲击得到弹性波。
- Method:Expression of iNOS protein in injured spinal cords was detected by Western blot after 1,2,3,5,7 days after injury (n=3) with Allen's weight dropping model. 方法 :Allen's模型致伤后 ,分别于损伤后 1、2、3、5、7d取伤段脊髓 ,作蛋白质印迹分析。
- Some evidence of the immunoprotectivity was a found in the 3 groups at 7DPC by showing less prominent antibody increase, body weight drop and BBR drop. 于攻毒后7日抗体跳升、体重下降和BBR下降情形，也以上述三免疫组较不明显，显见疫苗之免疫已受到保护。
- Result shows mouse body weight and gonad weight drop obviously, indicated that cadmium have toxicity on mouse growth and the reproduction, and present dosage dependence relations. 解剖后研究发现小鼠体重和睾丸重都明显下降,表明镉对小鼠生长和生殖都有毒性作用,呈剂量依赖关系。
- The announcement of leptin's discovery was big news to biologists, particularly after Friedman administered it to the obese mice and saw their weight drop by a dramatic 30% within as little as two weeks. 发现leptin的宣告对生物学家来说是一特大新闻，特别是在弗瑞德曼实施此法处理肥鼠，并看到在短短两周内使肥鼠体重迅速降低30%25之后更是如此。
- Methods Twenty healthy adult rats were randomly divided into two groups after contusion injury was performed by the weight drop method at T10 with Allen impactor, group A (ATP group) and group B (control group), every group contained ten rats. 方法健康成年Wistar大鼠20只,雌雄不限,体重280-320g,平均300g,制作成脊髓打击伤动物模型,并随机分为两组:A组(ATP组)和B组(对照组),每组10只。
- Some girls contract disease of nerve sex anorexia, weight drops to certain level, MenstruationStop namely shut. 有的少女患神经性厌食症，体重下降至一定程度，月经即停闭。
- The old man is dropping away in the sofa. 这位老人在沙发上打起瞌睡来。
- The chair sagged down under the fat man's weight. 椅子经这胖人一坐便压弯了。
- The airplane was attacked by dropping bombs. 这架飞机遭到炸弹的袭击。
- I tripped over, dropping the tray I was carrying. 我绊了一下，手中的托盘掉在地上了。
- THI was produced by modified Feeney method (a 20g weight drops from a height of 40 cm on the parietal region) and AHS was induced by modified Wiggers method (Blood was removed from femoral artery and MAP was maintained at 40 mm Hg for 1 hour). 高晶体-高胶体渗透压混合液组(HHS组,n= 6)。 按照Feeney改良法制作颅脑外伤模型,经股动脉放血,使MAP降至40mm Hg左右,维持此血压1 h。
- Men were dropping like flies in the intense heat. 人们抵受不住酷热而纷纷倒下。
- A reliable car is worth its weight in gold. 靠得住的汽车就是无价之宝。
- I kept dropping hints but he still didn't twig. 我一直不停地暗示他，但他还是不懂。
- Constant dropping wears away a stone. 滴水穿石。
- The business of the company was dropping off. 这家公司的生意日益清淡。
- The pillars have to support the weight of the roof. 这些柱子须承受屋顶的重量。
- The lecturer faltered after dropping his notes. 那讲师讲稿掉了以後言语就结巴了。
- The President swings his weight to get laws passed. 总统运用权力使法律获得通过。
