the present paper has described the die made by chromium car- bide for forming mass spectrometer needle and double curved surface glass tube in surface analyzing instrument.
介绍了采用碳化铬硬质合金制作质谱计和表面分析仪器中的双曲面玻璃管的成形模具。
so the marble here has a velocity like so, at this moment in time but it「s a very smooth glass tube and the marble is very smooth.
所以珠子此时,会得到一个这样的速度,但由于玻璃管和珠子,都非常光滑。
a good glassblower could make a glass tube like this one in fifteen minutes. but he couldn」t work for more than three or four hours without a break.
一个好的吹玻璃工十五分钟能制作一个这样的玻璃管。
heat the glass tube to the point that it can bend.
将玻璃管加热,以能弯曲为度。
it can maintain a fluid interface at a reference line in an inclined glass tube .
它能保持流体分界面在倾斜的玻璃管中基準线上。
this light consists of a glass tube containing argon and a droplet of mercury .
这种灯是由一根充有氩气和微量汞的玻璃管组成。
in order to reduce the oxidation of contacts greatly, the environment inside the glass tube is often pressurized with a gas that contains no oxygen.
为了大幅度降低触点的氧化,玻璃管内的环境往往是采用不含氧气的气体加压的。
a new method for glass tube cutting is provided and the experimentation on glass tube cutting with abrasive water-jets is introduced.
提出一种新的玻璃管切割方法。介绍了加沙水刀切割玻璃管的工艺实验现象。
in order to reduce the oxidation of contacts greatly (or eliminate it), the environment inside the glass tube is often pressurized with a gas that contains no oxygen.
为了大幅度降低(或者消除)触点的氧化,玻璃管内的环境往往是采用不含氧气的气体加压的。
in this paper, the optimization problem of glass tube air preheater is studied. a current computer code for optimal design of a tubular air preheater is developed. a case calculation is finished.
a thermometer often now, and more often back in the early 1800s, consists of a glass tube up which a column of mercury or alcohol can travel from a reservoir at the base.
现在常见的温度计由一个玻璃管和一个位于底部的贮液槽组成,贮液槽中的水银或酒精沿玻璃管上升形成液柱。
made of good-quality glass tube with high light transmission and special powder.
采用优质的高透光玻管和特殊的荧光粉。
made of boron or quartz glass tube which can be penetrated by ultraviolet ray.
采用可以透过紫外线的高硼或石英玻管。
i have a glass tube that i want to rotate and in the glass tube, i have a marble.
我想要转动一根玻璃管,在玻璃管内,有一颗珠子。
for high voltage switching (above 500v), the glass tube is evacuated.
对于高电压开关(高于500 v),玻璃管则是被抽空的。
electrodes inside each end of the glass tube are connected to a high-voltage source.
玻璃管两端内侧的电极与一个高压电源相接。
seal up one end of a glass tube about 34 inches long.