Calcium cyanamide is poisonous and irritating to the skin.氰氨化钙是毒性物质,对皮肤有刺激性.A new process, urea - calcium cyanamide method, for producing thiourea from urea and hydrogen sulfide is proposed.利用尿素和硫化氢等原料制备硫脲, 提出了尿素 - 氰氨化钙法...
The door flew open and Miranda tore into the room.门猛地开了，米兰达闯进房间。Miranda shrieked with laughter.米兰达尖声大笑。As he was to tell Miranda later, he as near as dammit left it there.像他随后告诉米兰达的那样，他几乎没碰它。...
凯西·施滕格尔可能是棒球界最有趣的人物。Casey Stengel was probably the most colorful character in baseball.比较两类人可以发现有趣的差异。Interesting distinctions can be drawn between the two populations.这些研究已经得出一些有趣的结果了。These studies have already thrown u...
In lesion's site, range and degree, CAC and stenosis had some correlation.cac与冠脉狭窄在病变部位 、 围、度上有一定的相关性但并不完全相同.For comparison purposes, the model for CAC with restriction but no degradation ( CAC - R ) is also shown.为...