reducedindegree

闵容15243026155：有关地球起源的英语作文 -
弓京6344 》 地球形成时基本上是各种石质物的混合物,如果积聚过程持续~年,则短寿命放射性元素的衰变和固体颗粒动能的影响都不大.初始地球的平均温度估计不超过1000℃,所以全部处于固态.形成后,由于长寿命放射性物质的衰变和引力位能的释...

闵容15243026155：核酸中影响Tm值的因素有哪些? -
弓京6344 》[答案] DNA熔解温度,指把DNA的双螺旋结构降解一半时的温度.不同序列的DNA,Tm值不同.DNA中G-C含量越高,Tm值越高,成正比关系. 核酸Tm值(解链温度)计算 A variety of factors affect the efficiency of hybridization between two strands of DNA....

闵容15243026155：核酸中影响Tm值的因素有哪些? -
弓京6344 》 DNA熔解温度,指把DNA的双螺旋结构降解一半时的温度.不同序列的DNA,Tm值不同.DNA中G-C含量越高,Tm值越高,成正比关系. 核酸Tm值(解链温度)计算 A variety of factors affect the efficiency of hybridization between two strands of...

闵容15243026155：有关地球的英语作文 -
弓京6344 》 earth 《1》 Earth Hour started in Australia with millions of homes and businesses turning their lights off for one hour. Now it has grown to become one of the world's biggest climate change initiatives. People are all joining together in a global effort ...

闵容15243026155：求一篇与原油清防蜡或降凝剂相关的英语文献及翻译 -
弓京6344 》 PPD applicable to all diesel engines, including trucks, tractors, diesel locomotive, engineering machinery, ships and units, isobaric combustion engine using light diesel oil.主要用作0#-10#,20#,35#:柴油添加剂,使柴油凝固点下降15-30摄氏度....

闵容15243026155：很厉害的英文翻译请帮忙下哦 -
弓京6344 》 高温条件下LM-25合金的拉伸性能受同等条件下铸件及时间情况(热处理)的影响.短时测试如:在200度环境下30分钟内,其性能仅缓慢匀速下降,同一温度下,LM25-TF的强度减少到百分之二十.长时测试如:在135度环境下10000小时后,其强度会骤然降低.在200度环境下,LM25-TF的强度仅为室温的一半.因此,如果被锻造部分被长时间用于130度以上的环境中,热处理则没有任何有益之处.

闵容15243026155：模具上的“行位”用英文怎么表达? -
弓京6344 》 Slide 行位,(总称)Slide block 行位块(主体)Slide insert 行位镶件,另给些资料参照:1. XXX!你现在有空吗,我可以问你一些问题吗?Could I ask you some questions if you are free?/ Are you free now? May I ask you some ...

闵容15243026155：求翻译,万分感谢!把俺所有的分都奉上了! -
弓京6344 》 Virus , and bacteria suitable in below 37 ℃ of wet environment in the breed , and bottle tableware is baby of close partners , is easy breed bacteria , long time so , because baby of resistance ability weaker , will will on baby of health brings serious of...