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negative staining(负染色技术)
时间:2021-12-25 13:55
关键词:
细胞生物研究方法
大学试题
理学
答案解析
<p> 用重金属盐对铺展在载网上的样品染色,吸取多余染料,干燥后,使样品凹陷铺展上一层重金属盐,而凸出的地方没有染料沉积,从而负染效果;分辨率可达1.5nm左右。与金属投影染色背景,衬托出样品的精细结构</p>
相关问题
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
biomembrane,or biological membrane (生物膜)
negative staining(负染色技术)
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一项关于吸烟与肺癌关系的病例对照研究,研究结果表明OR为4.0,其意义是()
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病例对照研究进行统计性推断时不匹配分层资料总的OR值计算公式是
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Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
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系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
负染色(negative staining)
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