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现抽取集团生产软塑包装的牌火腿肠 10 公斤(样品批号为 2004062518 ),要求测定粗蛋白含量。( 1 ).某分析检验取经搅碎混匀的火腿 0.50g 于 100mL 凯氏烧瓶中。请写出此后的样品处理步骤。( 2 ).将消化液冷却后 , 转入 100mL 容量瓶中 . 移取消化稀释液 10mL 于微凯氏定氮蒸馏装置的反应 , 用水蒸汽蒸馏 ,2% 硼酸吸收后 , 馏出液用 0.0998mol/L 盐酸滴定至终点 , 消耗盐酸 0. 51mL. 计算该火腿肠中粗蛋白含量。
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参考答案：
举一反三
【多选题】In using AutoCAD software, which of the following should be set when we draw a qualified engineering drawing with AutoCAD software?
A.
Layer properties
B.
Text styles
C.
Dimension styles
D.
Hatch styles
查看完整题目与答案
【多选题】In AutoCAD software, what of the following groups of commands are placed at the same place?
A.
Mirror and Copy
B.
Trim and Extend
C.
Fillet and Chamfer
D.
Circle and Arc
查看完整题目与答案
【单选题】I would go to visit them but l _____ think they are anxious to see me .
A.
haven't
B.
didn't
C.
wouldn't
D.
don't
查看完整题目与答案
【多选题】In using AutoCAD software, when set a layer, which of the following items should be specified?
A.
The name of the layer
B.
Lineweight
C.
Color
D.
Linetype
查看完整题目与答案
【多选题】In using AutoCAD software, what operations need to be conducted when we use the command Move?
A.
Choose the segments which need to be moved.
B.
Choose the datum point.
C.
Make sure the moving direction.
D.
Give the moving distance.
查看完整题目与答案
【多选题】In using AutoCAD software, which of the following operation can be used to change dimension figures?
A.
Type dimension figures in the command bar.
B.
Give dimension figure when setting dimension style.
C.
Double click the existing dimension figure and then type new one.
D.
Give dimension figure when setting text style.
查看完整题目与答案
【多选题】In using AutoCAD software, which of the following should be set when we draw a qualified engineering drawing with AutoCAD software?
A.
Layer properties
B.
Text syles
C.
Dimension styles
D.
Hatch styles
查看完整题目与答案
【单选题】以下对东京玫瑰的说法错误的是?
A.
东京玫瑰是二战时期日本专门对敌广播的。
B.
东京玫瑰是美军对日本女播音员的昵称。
C.
东京玫瑰的判决与呵呵勋爵的判决是不同的。
D.
东京玫瑰特指的是户粟郁子。
查看完整题目与答案
【单选题】关于测力计的使用下列说法中,正确的是?
A.
测量前不用将指针调零。
B.
必须竖直提着用
C.
可以测任何大小的拉力。
D.
读数时视线应该和刻度盘垂直
查看完整题目与答案
【判断题】In using AutoCAD software, when the command Mirror is used, the mirror line must be center lines.
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【多选题】In using AutoCAD software, which of the following should be set when we draw a qualified engineering drawing with AutoCAD software?
A.
Layer properties
B.
Text styles
C.
Dimension styles
D.
Hatch styles
查看完整题目与答案
【多选题】In AutoCAD software, what of the following groups of commands are placed at the same place?
A.
Mirror and Copy
B.
Trim and Extend
C.
Fillet and Chamfer
D.
Circle and Arc
查看完整题目与答案
【单选题】I would go to visit them but l _____ think they are anxious to see me .
A.
haven't
B.
didn't
C.
wouldn't
D.
don't
查看完整题目与答案
【多选题】In using AutoCAD software, when set a layer, which of the following items should be specified?
A.
The name of the layer
B.
Lineweight
C.
Color
D.
Linetype
查看完整题目与答案
【多选题】In using AutoCAD software, what operations need to be conducted when we use the command Move?
A.
Choose the segments which need to be moved.
B.
Choose the datum point.
C.
Make sure the moving direction.
D.
Give the moving distance.
查看完整题目与答案
【多选题】In using AutoCAD software, which of the following operation can be used to change dimension figures?
A.
Type dimension figures in the command bar.
B.
Give dimension figure when setting dimension style.
C.
Double click the existing dimension figure and then type new one.
D.
Give dimension figure when setting text style.
查看完整题目与答案
【多选题】In using AutoCAD software, which of the following should be set when we draw a qualified engineering drawing with AutoCAD software?
A.
Layer properties
B.
Text syles
C.
Dimension styles
D.
Hatch styles
查看完整题目与答案
【单选题】以下对东京玫瑰的说法错误的是?
A.
东京玫瑰是二战时期日本专门对敌广播的。
B.
东京玫瑰是美军对日本女播音员的昵称。
C.
东京玫瑰的判决与呵呵勋爵的判决是不同的。
D.
东京玫瑰特指的是户粟郁子。
查看完整题目与答案
【单选题】关于测力计的使用下列说法中,正确的是?
A.
测量前不用将指针调零。
B.
必须竖直提着用
C.
可以测任何大小的拉力。
D.
读数时视线应该和刻度盘垂直
查看完整题目与答案
【判断题】In using AutoCAD software, when the command Mirror is used, the mirror line must be center lines.
A.
正确
B.
错误
查看完整题目与答案
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