一种胶体,就其整体而言可认为不带净电荷.A sol considered as a whole cannot have a net charge.照像材料含有亲水胶体的感蓝卤化银卤剂层.The photographic elements contain a blue - sensitive hydrophilic colloid silver halide emulsion layer.胶体的弹性性质可能随着它的寿命而变化的.The e...
"I thought so," Evelina said triumphantly.“我也是这样认为的，”埃维莉娜得意地说。"She'salive!" he shouted triumphantly.“她还活着!”他欢欣鼓舞地大声叫道。They marched triumphantly into the capital.他们怀着胜利的喜悦列队进入首都。...
Geologists uncovered the hidden riches.地质学家发现了地下的宝藏。Geologists describe the motion of the plates and the consequences of such motion as plate tectonics.地质学家把板块运动及这种运动所造成的后果看作是板块构造运动.By drilling, geologists can take measu...
We lived on the breadline to get our son through college.为了供儿子读完大学，我们生活非常拮据。Most of the unemployed in this area are on the breadline.这一地区的失业人口大多数都十分贫困.The widow and her children are on the breadline.这个寡妇和她的孩子们日子过得很苦,仅能维持...
Did equilibration take place before or after setting of chromite and silicates?究竟平衡作用发生在铬铁矿和硅酸盐下沉之前,还是在其后?The commercial product however, containing silica and silicates, has a positive effect.然而含有硅石和硅酸盐的工业品都有肯定的效果.In ot...
I gave Coe an impersonal stare.我不带任何感情地盯着科。Purpose : To assess utility of HRCT for detecting chronic obstructive emphysema ( COE ) .目的: 观察慢性梗阻性肺气肿的 HRCT 表现.Mr. Coe: Return, please. I'd like a direct flight, if possi...