质子的质量几乎是电子的2,000倍。Protons are nearly 2000 times as heavy as electrons.自由基是一种具有未配对电子的分子碎体.A free radical is a molecular fragment having an unpaired electron.在物质中的贯穿能力,都是和电子的动能E有关的.Penetration in matter depends on the kine...
The binomial model is a generally accepted method of valuing options.The二项式模式为一般被接受的估值方法的其中一种.The binomial coefficients are ubiquitous in Combinational Theory.二项系数在组合论中有普遍的应用.This is nothing but the binomial expansion.这不...
Both groups share two attributes normally associated with vertebrates.两组都具有通常脊椎动物才具备的两个特征。But, of the vertebrates, unpredictable Nature selected only snakes ( and one lizard ).但是, 在脊椎动物中, 神秘莫测的大自然只选择了蛇 ( 和一种蜥蜴 ).Fish, bi...
Lastly, the paper simulates bolt timbering of the laneway along the gob.最后, 分析模拟了沿空巷道的锚杆支护情况.The crane elevated the timbering upto the upstairs.起重机将建筑用材吊到楼上.The Tonglu Mountain Copper Mine used an elaborate system of tim...
尿囊素是一种重要的尿素衍生产品.Allantoin is one of the important urea derivative products.车前草含有一种叫做尿囊 素 的化学物质,是消炎抗菌的.Plantain contains a chemical ( called allantoin ) that is anti - inflammatory and antimicrobial.海洋BIO极致精华眼霜主要成分 及 功效: ...