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【多选题】
称取一定质量的邻苯二甲氢钾基准物,用以标定NaOH溶液的浓度(单位: )。在下列各情况中,会引起结果偏( )。
A.
盛装NaOH溶液的滴定管在所用容积区间具有负的校正值
B.
滴定时滴定终点在化学计量点之前到达
C.
滴定时滴定终点在化学计量点之后到达
D.
称量中使用的一只10mg砝码,事后发现其校正后的值为9.7mg
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Plimsoll disc
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Plimsoll line
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sunmmer load line
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【单选题】Right at the top is___. It is 300 mm long and 25 mm wide with its upper edge in line with the uppermost continuous watertight deck.
A.
the deck line
B.
Plimsoll disc
C.
Plimsoll line
D.
summer load line
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【单选题】Right at the top is (  ). It is 300 mm long and 25 mm wide with its upper edge in line with the uppermost continuous watertight deck.
A.
the deck line
B.
Plimsoll disc
C.
Plimsoll line
D.
Summer load line
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【单选题】【单选】Right at the top is ____.It is 300 mm long and 25 mm wide with its upper edge in line with the uppermost continuous watertight deck.
A.
the deck line
B.
Plimsoll disc
C.
Plimsoll line
D.
summer load line
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【单选题】Right at the top is the ______. It is 300 mm long and 25 mm wide with its upper edge in line with the uppermost continuous watertight deck.
A.
deck line
B.
Plimsoll disc
C.
Plimsoll line
D.
summer load line
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【单选题】A right-circular cylinder, open at the top, is filled with liquid, and rotated about its vertical axis at such speed that half the liquid spills out.The pressure intensity at the center of the bottom ...
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(a) zero
B.
(b) one-fourth its value when cylinder was full
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(c) indeterminable; insufficient data
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(d) greater than a similar case with water as liquid
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【单选题】Right at the top is（）It is 300 mm long and 25 mm wide with its upper edgs in line with the uppermost continuous watertight deck.
A.
the deck line
B.
Plimsoll disc
C.
Plimsoll line
D.
sunmmer load line
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【判断题】在进行电路分析时,电压和电流的参考方向是可以任意选择的。
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B.
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【单选题】Right at the top is___. It is 300 mm long and 25 mm wide with its upper edge in line with the uppermost continuous watertight deck.
A.
the deck line
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D.
summer load line
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A.
the deck line
B.
Plimsoll disc
C.
Plimsoll line
D.
Summer load line
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【单选题】【单选】Right at the top is ____.It is 300 mm long and 25 mm wide with its upper edge in line with the uppermost continuous watertight deck.
A.
the deck line
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C.
Plimsoll line
D.
summer load line
查看完整题目与答案
【单选题】Right at the top is the ______. It is 300 mm long and 25 mm wide with its upper edge in line with the uppermost continuous watertight deck.
A.
deck line
B.
Plimsoll disc
C.
Plimsoll line
D.
summer load line
查看完整题目与答案
【单选题】A right-circular cylinder, open at the top, is filled with liquid, and rotated about its vertical axis at such speed that half the liquid spills out.The pressure intensity at the center of the bottom ...
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(d) greater than a similar case with water as liquid
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查看完整题目与答案