有下列三个样品: 基础样品:血清2ml+0.1ml生理盐水 回收样品Ⅰ:血清2ml+0.1ml20mmol/L葡萄糖标准液 回收样品Ⅱ:血清2ml+0.1ml60mmol/L葡萄糖标准液 用GOD-POD法测得上述四个样品的浓度分别为5.88mmol/L、6.80mmol/L、8.68mmol/L。试计算回收样品Ⅰ、Ⅱ的加入浓度、回收浓度、回收率以及平均回收率。
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You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Framework (WPF) application. You have a company logo that must appear on multiple forms in the application. The logo design changes frequently. You need to ensure that when the logo image is changed, you only need to update a single location. What should you do?()
A. Define the image as a page resource.
B. Define the image as an application resource.
C. Save the image on a network drive.
D. Include the image as an embedded resource.
The Chief Tally would like to inquire()the rotation of the discharging ports.
A. at
B. on
C. about
D. after
根据《建筑施工安全检查标准JGJ59-99》,()是施工用电检查保证项目之一。
A. 接地与接零保护系统
B. 配电线路
C. 电器装置
D. 用电档案
关于申请人在行政复议决定作出前自愿撤回行政复议申请的规定,下列哪一说法是正确的?()
A. 经行政复议机构同意,可以撤销
B. 行政复议中止
C. 经行政复议机构同意,可以撤回
D. 不可以撤回