更多"A scientist interested in adding to"的相关试题:
[单项选择]A scientist being interested in adding to our general knowledge about oxygen would probably call his approach ______.
A. applied science
B. environmental science
C. pure science
D. agricultural science
[单项选择]A scientist interested in general knowledge about oxygen would probably call his approach ______.
A. applied science
B. chemical science
C. pure science
D. environmental science
[单项选择]To give you a general idea of our products, we enclose the catalogues showing various products handled by us with detailed______ and means of packing.
A. specimens
B. inspections
C. paraphrases
D. specifications
[单项选择]( )our general agent, you would also have to look after the advertising.
A. Being
B. For
C. As
D. To be
[单项选择]______ our general agent, you would also have to look after the advertising.
A. Be
B. For
C. To be
D. As
[单项选择]图5-27示等直圆杆，已知外力偶矩MA=2.99kN·m，MB=7.20kN·m，MC=4.21kN·m，许应切应力[τ]=70MPa，许可单位长度扭转角=1（°）/m，切变模量G=80GPa。则该轴的直径d至少为（）.
A. 82.4mm
B. 78.4mm
C. 74.4mm
D. 67.4mm
[单项选择]某排架柱，采用单独桩基础，作用于基础顶面的荷载为：F=250kN，M=70kN·m，Q=20kN，基础埋深为1.5m，该基础的最小底面积应为( )。
A. (A) 1.5m×1.3m
B. (B) 1.7m×1.5m
C. (C) 1.9m×1.7m
D. (D) 2.1m×1.9m
[填空题]施工中常用的手扳葫芦额定负荷有32kN和（）kN两种。
[单项选择]一力在直角坐标系的投影为Fx=6KN，Fy=8KN，则此力的大小是
A. 10KN
B. 14KN
C. 0KN
D. 48KN
[单项选择]注浆控制中，从管片注浆孔注浆，注浆压力一般取(
)kN/m2，或间隙水压为200KN/m2左右。
A. 100
B. 200
C. 150
D. 100～300
[单项选择]受压构件，两端铰支，其临界力为50kN，若将构件改为两端固定，则其临界力为( )kN。
A. 50
B. 100
C. 150
D. 200
[单项选择]某一级建筑基坑采用单层支点排桩支护结构其支点力计算值为100kN，其支点力设计值宜为( )kN。
A. 100
B. 110
C. 125
D. 137.5
[单项选择]已知某次梁最大弯矩Mx=1123kN·m，支座剪力V=374.3kN，钢材为Q235B，Wnx=5218cm3t=8mm I/S=100，则正应力为（），剪应力为（）。
A. 205N/mm2，46.8N/mm2
B. 212.6N/mm2，46.8N/mm2
C. 205N/mm2，40.8N/mm2
D. 215N/mm2，40.8N/mm2
