The speed of light in a vacuum is the same for all observers.
The vacuum source is more stable and sufficient.
The vacuum source is more stable and sufficient.
AS- 662 Can Strongly Stick to vacuum bag and a variety of tools.Combinations with other parts of speech
Does anyone realise it's actually empty?真空吸附器的吸附性能受多种条件的限制,但主要制约因素可归结为三点:.
The adsorption performance of vacuum adsorbers is limited by a variety of conditions, but the main constraints can be attributed to three points:.一般低真空时,其室温下的饱和蒸气压力应小于1.3×10-1~1.3×10-2Pa。
Generally low vacuum, the saturated vapor pressure at room temperature should be less than 1.3× 10-1~ 1.3× 10-2Pa.典型的组件包括连接元件,真空泵和各种其他真空装置(有时由多达200个零件组成)。
Typical assemblies include connection elements, vacuum pumps and various other vacuum devices(sometimes consisting of up to 200 parts).它的加工工艺高于普通真空电镀,其加工制程比普通制程要复杂得多。
Its processing technology is higher than that of ordinary vacuum plating, and its processing process is much more complicated than that of ordinary process.真空脱气用于去除水中的O2、CO2和N2,并能够生产出这些溶解气体的含量仅为ppb的水。
Vacuum Degasification is used to remove O2, CO2 and N2 from water and is capable of producing water with part-per-billion levels of these dissolved gasses.食品真空袋一般采用pe复合尼龙材质,如果熟食类一般要用纯铝材料。
Food vacuum bag it is generally used PE nylon composite material, if it is cooked, then the type of general use of pure aluminum material.
And while the average value of the electric field in a vacuum is zero, the average value of its square is not zero.空气喷射真空泵lvp1型基于可靠的喷射泵技术,通常在没有蒸汽可用作动力介质时使用。
Air jet vacuum pumps type lvp1 are based on proven jet pump technology and often used when no steam is available as motive medium.吸入力”取决于所发生的风力和真空力的合力,但这两个果素却具有相反的特征。
The suction force, depending on the resulting wind and vacuum force together, but these two factors have the opposite characteristics.吸入力”取决于所产生的风力和真空力的合力,但这两个因素却具有相反的特性。
The suction force, depending on the resulting wind and vacuum force together, but these two factors have the opposite characteristics.
The value measured by the total pressuregauge is related to the pump oil and vacuum gauge, and the regulation error.年,美国发明家奥利弗·埃文斯(OliverEvans)提到了一个封闭的蒸气压缩制冷循环,通过醚在真空下的蒸发产生冰。
In 1805, American inventor Oliver Evans described a closed vapor-compressionrefrigeration cycle for the production of ice by ether under vacuum.当战争正式结束时,刑事司法系统发展不足,这留下了"权力真空"。
When the war formally ended, the criminal justice system was not sufficiently developed andthis left a" power vacuum".有时也会用于动态,动态时的使用压力小于5Mpa,及半导体真空密封。
Sometimes it is also used for dynamics, when the operating pressure is less than 5Mpa,and semiconductor vacuum sealing.大坝发电有限责任公司的300MW机组,每台机组配备2台机械真空泵,其中1台运行,1台备用。
A company's 300 MW units,each unit equipped with two mechanical vacuum pumps, one of which operates, one standby.Goosen先生(南非)强调说,大会不是在真空里讨论安全保证的问题。
Mr. Goosen(South Africa) emphasized that the Conference wasnot addressing the question of security assurances in a vacuum.使用和保存含有多氯联苯的变压器、断路器、液压设备或真空泵的场址。
(b) Sites at which PCB-containing transformers, circuit breakers,hydraulic equipment or vacuum pumps have been used or maintained.有时为了防振和削减噪音,允许机械泵设置在接近真空室的泵房内。
In order to prevent vibration and reduce noise, mechanical pumps are sometimesallowed to be installed in the pump room near the vacuum chamber.大坝发电有限责任公司的300MW机组,每台机组配备2台机械真空泵,其中1台运行,1台备用。
Dam power generation limited liability company units of 300MW each unitis equipped with 2 sets of mechanical vacuum pumps, of which 1 run, 1 spare.他们看到的空间和不可言喻的光泽,把旧的斑点和灯光变成死真空。
They see the space and ineffable sheen that turn the old spots andlights into dead vacuums.因此仪器必须装在真空室中,这样它的观测就不会被环境噪声淹没。
The instrument must therefore be encased in a vacuum chamber, so its observations aren't swamped by environmental noise.在相对论中,绝对的是真空中的光速,而不是空间或时间。
In relativity, what is absolute is the speed of light in a vacuum, not space or time.冻干真空干燥工艺包括预冻、升华和再冻干三个分阶段。
The freeze-drying process of the vacuum freeze dryer includes pre-freezing, sublimation and re-freezing in three stages.虽然具体的应用或目标决定了真空室的体积大小,但是对高质量生产的要求都是一样的。
And while the application orobjective at hand dictates the size of the vacuum chamber, the need for quality production remains the same.