Self - heating of two typical n - alkane ( n - heptane and n - hexadecane ) is studied by Accelerating Rate Calorimeter.研究燃油在绝热条件下的燃烧情况对实际应用中改善燃油燃烧性能,改进发动机工况等有着重要的指导意义.The heptane compound has a primary purpose as a plas...
The heptane compound has a primary purpose as a plasticizer for doublebase propellant systems.化合物庚烷的主要用途是作为双基推进剂的增塑剂.However, it is difficult to produce multi branched i heptane and restrain its cracking.正庚烷异构化的难点在于高选择性地...
He was on the front lawn, measuring out two circles.他在前面的草坪上丈量并标记出两个圆圈。You'll need such information to use as a baseline for measuring progress.你会需要这些信息作为衡量进展的基准。Many people are confused about the new ways of measur...
Air trapped inside a condom could cause it to break.安全套内藏空气会令安全套破烂.According to a 2005 survey by Durex, the condom maker, the global average age was 17.3.据安全套制造商杜蕾丝公司2005年的一项调查, 全球初次性行为的平均年龄为17.3岁.Sell condom alone or se...
It was so humiliating, a terrible blow to my self-esteem.这件事如此丢脸，深深地挫伤了我的自尊心。When self-esteem is high, we lose our mortal fear of jealousy.自信心很强时，我们不再对妒忌感到极度惧怕。He was left without a shred of self-esteem.他的自尊荡然无存。...
在风格上，韦勒与伦尼·克拉维茨走着相似的路子。Stylistically, Weller is treading a similar path to that of Lenny Kravitz.韦勒骂了一句粗话，然后向他猛扑过去。Wellor let out a foul oath and hurled himself upon him.韦勒先生上个月退休了,现在过着悠闲的生活.Mr. Weller retired last month...