Aim To study the synthetic method for the glutaric dialdehyde.目的研究戊二醛的新合成方法.The cross - linking reaction between dialdehyde compound and cellulose acetate raises the chemical stability of the material.通过二醛类与醋酸纤维素类材料的交联反应...
一弹钢琴那些玻璃饰物就会产生共振.Playing the piano sets up resonance in those glass ornaments.耳朵里有一组细丝能和进入的声波产生共振。The ear has a set of filaments to vibrate in resonance with incoming sound-waves.两个共振峰下面的面积是不相等的.The areas under the two r...
After a long decline, prices are firming again.在长期跌落之后,物价又开始回升。The soil is firming up now that the weather is drier.天气干燥了,土壤也变得坚硬起来.Firming Cream to eliminate signs of aging around the lips.紧致面霜能够消除唇部周围老化迹象.Functions: Mo...
被自恋症折磨的人会变得只专注于自己的事情,或者不断地自我炫耀。Those who suffer from narcissism become self-absorbed or chronic show-offs.他被诊断患有严重的阅读困难症,但是却绝顶聪明。He was diagnosed as severely dyslexic but extraordinarily bright.她患有贫血症,甚至需要输血。She suffered...
Contact with the epidermal cells of Health dentate processes, and mutual chimera.表皮细胞接触处密生齿状突起, 且互相嵌合.Plants sparsely scabrous; ultimate leaf segments irregularly serrate or dentate.装置疏生粗糙; 不规则的末级的叶裂片有锯齿或具牙齿.Gush door: d...
Cheese can be sprinkled on egg or vegetable dishes.奶酪可以撒在鸡蛋或蔬菜做的菜肴上。The bottom of the garden was given over to vegetable plots.花园的尽头留作了菜地。They feed mostly on decaying vegetable matter.它们大多以腐烂的蔬菜为食。...