皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【简答题】
在一根3m长的色谱柱上分离一个试样的结果如下:死时间为1min,组分1的保留时间为14min,组分2的保留时间为17min,峰宽为1min。 (1)用组分2计算色谱柱的理论板数n及塔板高度H; (2)求调整保留时间t ́ R1 及t ́ R2 ; (3)用组分2求有效塔板数n ef 及有效塔板高度H ef ; (4)求容量因子k 1 及k 2 ; (5)求相对保留值r 2.1 和分离度R。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】七项质量管理原则与 ISO 9000 族标准的关系( )。
A.
七项质量管理原则是 ISO 9000 族标准的理论基础 ;
B.
项质量管理原则包含了 ISO 9000 族标准;
C.
相辅相成,相互补充;
D.
a+b+c。
【单选题】七项质量管理原则与ISO9000族标准的关系( )。
A.
七项质量管理原则是ISO9000的理论基础
B.
七项质量管理原则包含了ISO9000族标准
C.
相辅相成,互相补充
【单选题】女性,20岁,上呼吸道感染,在服用止咳糖浆时,护士嘱其不宜饮水的目的是
A.
减少对消化道的刺激
B.
防止降低药物的药性
C.
降低药物的毒性
D.
减少对肝脏的损害
E.
增加溶解,避免尿少时吸出结晶
【单选题】女性,20岁,上呼吸道感染,在服用止咳糖浆时,护士嘱其不宜饮水的口的是
A.
减少对消化道的刺激
B.
防止降低药物的药性
C.
降低药物的毒性
D.
减少对肝脏的损害
E.
增加溶解,避免尿少时吸出结晶
【单选题】As to the international business negotiation for both the machine and the relevant technology, the best negotiation method is ( ). C To establish two negotiation groups and let these two groups to n...
A.
To establish only one negotiation group and let the group to negotiate both the machine and the relevant technology and conclude two pieces of contract which include the machine and the relevant technology respectively
B.
To establish only one negotiation group and let the group to negotiate both the machine and the relevant technology and conclude a piece of contract which includes both commodities
C.
To establish two negotiation groups and let these two groups to negotiate the machine and the relevant technology respectively, however, in the end they conclude only a piece of contract which includes both commodities
D.
To establish two negotiation groups and let these two groups to negotiate the machine and the relevant technology respectively and conclude two pieces of contract which include both commodities respectively
【简答题】Choose one of the following tasks and write at least 150 words . Summarize the information by selecting and reporting the main features, and make comparisons where relevant. C9T2 Task 1 [Bar Chart] C9...
【单选题】女性,20岁。上呼吸道感染,在服用止咳糖浆时,护士嘱其不宜饮水的目的
A.
减少对消化道的刺激
B.
防止降低药物的药性
C.
降低药物的毒性
D.
减少对肝脏的损害
E.
增加溶解,避免尿少时吸出结晶
【单选题】以下属于ISO9000族标准中八项原则(2016版质量管理七项原则)的内容是
A.
改进、关系管理、管理职责
B.
过程方法、改进、全员积极参与
C.
过程方法、资源管理、全员积极参与
D.
以顾客为关注焦点、统计技术
【简答题】Choose one of the following tasks and write at least 150 words . Summarize the information by selecting and reporting the main features, and make comparisons where relevant. C10T1 Task 1 [Pie Charts] ...
【判断题】视频中讲到的 SMART 原则( S=Specific 、 M=Measurable 、 A=Attainable 、 R=Relevant 、 T=Time-bound ) , A
A.
正确
B.
错误
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题