强制滤速（compulsory filtrationrate）

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  A . 又称滴金免疫法 B . 基本原理仍是间接法或夹心法 C . 在操作完成后即可直接观察结果 D . 夹心法测抗原的机制为固定于膜上的多克隆抗体+标本中待测抗原+金标记的特异性单克隆抗体显色 E . 以上都正确

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• （）需设移动冲洗设备，对机械加工、材质要求高，起始滤速较高，因而滤池平均设计滤速不宜过高，罩体与隔墙间的密封要求较高。

  A . A、移动罩滤池 B . B、双层滤料滤池 C . C、虹吸滤池 D . D、无阀滤池

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• 保安过滤（cartridge filtration）

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• 滤速只影响出水水质。

  A . 正确 B . 错误

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• For GMDSS，when may a compulsory vessel not be allowed to leave port?（）

  A . When the vessel is in an overloaded condition B . When the vessel has arranged for both duplication of equipment AND shore-based maintenance C . When the vessel has replaced a required piece of GMDSS-related equipment but its performance has not been verified or logged D . When the vessel is carrying only two licensed GMDSS Radio Operators and is capable of performing all required functio

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• 凝胶过滤层析（gel filtration chromatography）

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• 滤过（filtration）与重吸收（reabsorption）

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• What is a GMDSS functional or carriage requirement for compulsory vessels?（）

  A . A compulsory vessel must carry at least two (2) licensed GMDSS operators B . A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sails C . A compulsory vessel must be able to transmit and respond to distress alerts D . All of the above

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• 强制滤速

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• For GMDSS，which statement concerning a compulsory vessel is FALSE?（）

  A . A conditional or partial exemption may be granted，in exceptional circumstances，for a single voyage outside the sea area for which the vessel is equipped B . Once a compulsory vessel's GMDSS station has been fitted and inspected，the station must be inspected only once every five years C . All passenger vessels and all cargo vessels that are 300 Gross Tons or larger must comply D . Compulsory vessels must carry at least two licensed GMDSS Radio Operator

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• What is a functional or carriage requirement for compulsory vessels?（）

  A . A compulsory vessel must carry at least two licensed GMDSS Radio Operators B . A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sails C . A compulsory vessel must be able to transmit and respond to distress alerts D . All of the above

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• 实践证明，双层滤料含污能力较单层滤料约高一倍以上，在相同滤速下，过滤周期增长；在相同过滤周期周期下，滤速可以提高。（）

  A . 正确 B . 错误

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• 有关快速斑点免疫金渗滤法（Dot-immunogold filtration assay）的描述哪些是正确的（）

  A . A、又称滴金免疫法 B . B、基本原理仍是间接法或夹心法 C . C、在操作完成后即可直接观察结果 D . D、夹心法测抗原的机理为：固定于膜上的多克隆抗体+标本中待测抗原+金标记的特异性单克隆抗体显色 E . E、以上都正确

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• 在保证水质的前提下三层滤料的滤速应比双层滤料的滤速低。（）

  A . 正确 B . 错误

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• In America, voting is compulsory.( )

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• Which subject is the compulsory subject to American students?

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• Although secondary education is ______, parents are not required to send their children to state schools. (compulsory, unncessary)

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• compulsory

  A、a.秘密的;亲信的 B、a.竞争的，比赛的 C、a.强迫的，义务的 D、a. 简洁的,简明的

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• 32 Many Japanese students finish their compulsory courses in three years because

  A they want to get married. B they want to stay at home. C they want to make money. D they want to study abroad.

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• Many Japanese students finish their compulsory courses in three years because

  A． they want to get married. B． they want to stay at home. C． they want to make money. D． they want to study abroad.

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• Which is compulsory among the following health insurances in China（）

  A．The New Rural Cooperative Medical Scheme B．The Urban Employee Basic Medical Insurance Scheme C．The private medical insurance D．The Urban Resident Basic Medical Insurance Scheme

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• 肾小球滤过膜glomerular filtration membrane 名词解释

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• The active ingredient that makes tea and coffee valuable to man is （） by vacuum filtration.

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