查询词典 vacuum

In the vacuum tube circuits of years past, a similar effect occurred, requiring a "grid leak" resistance between the grid and ground to drain off the accumulated charge.

在以前的真空管电路里也发生过类似的情况，因此在栅极和地之间需要加一个"栅极泄漏"电阻以释放积累的电荷栅极上的电子

The best yields are obtained if the ether solvent is distilled from the Grignard under vacuum and replaced with hydrocarbon solvent, such as benzene.

最好的产量得到醚溶剂，如果是从格氏蒸馏真空和烃类溶剂，如苯，取代。

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Another example are pressure sensors which monitor the work of the vacuum gripper.

另一个例子是关于压力传感器的，它控制真空夹持器的运作。

In order to inhibit the lipid oxidation of cold storage meat a combined treatment(use of antioxidants and controlled atmosphere) with irradiation was studied could have a synergistic effect,Patties were prepared from the ground fat-streaked of pig,added antioxidants,packaged in vacuum,oxygen-excluded(N_2+CO_2) or oxygenic bags,respectively and then irradiated with at 3 kGy dose,and stored up to 20 days at 4℃.

本文研究了不同包装形式结合抗氧化剂对辐照冷却猪肉糜中脂肪氧化的抑制作用。添加抗氧化剂的冷却猪肉糜分别采取真空包装、无氧包装(N2+CO2)和气调有氧包装(O2+CO2+N2)，然后经3kGy低剂量辐照，在4℃±1℃贮藏20d。

The group velocity is estimated as 1/35 of the light speed in vacuum.

群速度估计为真空光速的1/35。

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For the fixture of hailstone the direct freezing by a semiconductor refrigerator is used instead of the vacuum attraction.

2对雹块的固夹，用半导体致冷器直接冻住的方法代替了真空吸引。

Very low expansion coefficient ensures the vacuum heat collecting tube have no burst under high or low temperature and can resist shock of 35 mm hailstone without damage.

极低的膨胀系数保证了真空集热管在高温和低温环境中使用不炸管，并能抵抗35mm 冰雹冲击而不损坏。

Half-yearly deadline' that, while not accurate, but reflect the current market level and distribution of new shares will be a vacuum period of fear."

"'半年的最后期限'，虽然不准确，但反映了目前市场的水平和新的股票发行将是一种恐惧真空期。"

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。