皮皮学，免费搜题
登录
搜题
【单选题】
下列关于萃取系统说法错误的是:A.
在萃取系统中，加入电解质，会促使带电荷物质的分配
B.
系线长度由聚合物的性质来决定的
C.
在PEG-Dx系统中加入pH大于7的磷酸盐缓冲液，有助于负电荷的蛋白质的分配
D.
实际上系统中当大分子或粒子带有电荷，则在两分配不相等时，就会在两相间产生电位，称为道南电位
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】A.Someone dumped the clothes left in the washer and dryer. B.Someone broke the washer and dryer by overloading them. C.Mindy Lances laundry blocked the way to the laundry room. D.Mindy Lance threatene...
【简答题】将英文翻译成中文, safety regulations :
【简答题】将英文翻译成中文,virtual mall :
【单选题】Woman: Do you know Jane works as a dish-washer at a restaurant around the corner? Man: It isnt a bad job to start with. I wouldnt mind that job for the summer if no others are available. Question: Wha...
A.
He likes the job of a dish-washer because it pays well.
B.
He thinks it's important to have a good job from the beginning.
C.
He would work as a dish-washer in summer if he has to.
D.
He hates to be a dish-washer in summer if he has to.
【简答题】将英文翻译成中文,consumer electronics :
【简答题】将英文翻译成中文,electronic communications :
【简答题】dish washer
【简答题】将英文翻译成中文,returns policy :
相关题目：