The effects of weathering can be simulated in the laboratory.在实验室里可以模拟各种天气产生的影响.This suggests that the optimum for biological weathering would be in a hot, moist climate.这表明生物风化最适宜的条件是湿热气候。The movement of water is also a...
The soil is depleted first by having crops grown in it and second by natural weathering and bacterial action.土壤首先是被种植其中的作物消耗掉,其次受自然风化和细菌活动的侵蚀。Organic rubbers develop a resinous surface crust through weathering.有机橡胶经过风蚀后,...
Through nitrosation , hydrogenate reducion, and acylate three steps, the yield surpass 80 % for the diethyl malonate.收率相对于丙二酸二乙酯达到了80%以上.The necessary material of 2 - ( 2 - methoethyl ) acetaldehyde diethyl acetal was sy...
Their own lives already seemed to possess the symmetries of narrative art.他们自己的生活似乎已经拥有叙事艺术的对称性。This is in striking contrast with the symmetries to be discussed later.这与后面要讨论的对称性截然不同.Nuclei with closed - shell have spher...
When a drug permeates a cell, it must obviously traverse the cellular plasma membrane.当药物透过细胞时, 它显然必定要穿过胞浆膜.But can you traverse the stream?可是,你能闯过那车的洪流、人的洪流 吗 ?We traverse the desert by truck.我们乘卡车横穿沙漠.He cut his teeth ...
Most of the women were hawking food around the various prisons.其中大多数妇女在各个监狱周边兜售食品。He is hawking around a 15-minute, £5,000 promotional video.他正在四处推销一部长15分钟、价值5,000英镑的宣传录像片。Developers will be hawking cut-price flats and h...
通过这两直线的交点做横轴的垂线.Draw a line perpendicular to the horizontal axis through the point.扫描方位: 横轴位(Axial)、冠状位(Coronal) 、矢状斜位(Obliquesagittal) 和横轴俯卧位(prone)等.Patient position: axial coronal and oblique sagittal, supine, prone.图...
这条鱼是生吃的,未经蒸煮,也没加任何调味品。The fish is served au naturel, uncooked and with nothing added.用箔纸包烤或用清汤蒸煮三文鱼8至10分钟。Bake salmon in foil or poach in a light stock for 8-10 minutes.铁轨和小车在蒸煮缸的底部占用相当大的空间.Rails and bogies waste conside...
He lounged in an armchair in a stance of deliberate contempt.他懒洋洋地躺在扶手椅里,故意摆出一种轻蔑的架势.The fringes of the pundIt'set have already been intimating that these tainted - food incidents are deliberate.有人已经宣称这些食品遭到污染的事件是故意...