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[问题求助] 实验室温度湿度应该控制在什么范围内?

P:2008-12-10 10:09:38

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实验室温度湿度应该控制在什么范围内?

district heating cable - 局部加热电缆 (0) 投诉

P:2008-12-10 10:12:53

2

温度20-25度

相对湿度65-85%

long mouthpiece - 长承模具 (0) 投诉

P:2008-12-10 11:08:09

3

UL那个标准里面有这个要求?

colo(u)red thread - 彩色线(绕扎在由四根光纤组成的光缆芯外围) (0) 投诉

P:2011-01-12 16:26:39

4

那通信机房内的湿度一般在多少?

Amer Std - American standard美国标准 (0) 投诉

P:2011-01-14 23:23:35

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35%~75%

light-duty cable - 轻型电缆,轻载电缆 (0) 投诉

P:2011-01-18 16:53:20

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23正负2度,湿度为50正负5度

self-inductance - 自感 (0) 投诉

P:2011-02-11 10:10:28

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都很专业嘛

heat oxitative ageing - 热氧老化 (0) 投诉

P:2011-05-25 21:44:41

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metal deactivator - 金属钝化剂 (0) 投诉

P:2014-01-08 11:19:37

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<div>Ambient temperature conditioning Before determination of the cross-sectional area, all test pieces shall be protected from direct sunlight and maintained for at least 3 h at a temperature of (23 ± 5) °C, except for thermoplastic insulating materials which shall be kept at (23 ± 2) °C.</div>

[billma 在 2014-1-8 12:08:25 编辑过]

rope-lay stranded conductor - 复绞线芯,复绞导线,同心螺绞导线 (1) 投诉

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