查询词典 vacuum

HydroVac vacuum pumps cover a wide range of applications from 10 to 280 ACFM at vacuum to 29 inches of mercury (25 Torr).

HydroVac真空泵有广泛的应用范围，在29英寸的汞柱（25托）压强下流量从10-280立方英尺/分。

The first artificial vacuum had been produced a few years earlier by Evangelista Torricelli, and had inspired von Guericke to design the world's first vacuum pump, which consisted of a piston and cylinder with one-way flap valves.

人工的真空几年前就由伊凡杰利斯塔。托里拆利创造出来，这一直启发冯。格里克发明世界上第一个真空泵，它由活塞和汽缸组成，并带有单向片状阀。

It can be combined with rotary devaporizer, vacuum freezing and drying box, water circulating multipurpose vacuum pump, magnetic treater and other instruments to conduct multipurpose low-temperature chemical reaction operations and drug storage.

结合旋转蒸发器、真空冷冻干燥箱、循环水式多用真空泵，磁力搅拌器等仪器，进行多功能低温下的化学反应作业及药物储存。

It can be combined with rotary devaporizer ,vacuum freezing and drying box,water circunlating multipurpose vacuum pump,magnetic treater and other instruments to conduct multipurpose low-temperature chemical reaction operations and drug storage.

结合旋转蒸发器，真空冷冻干燥箱、循环水式真空泵，磁力搅拌器等仪器，进行多功能低温下的化学反应作业及药物储存。

It elaborates the principle of the Vacuum Freezy-desiccation Technology by the triphase equilibrium plot and the triple point sketch map of the water.It analyses the characteristics of each stage in the process of the Vacuum Freezy-desiccation Technology.It illustrates the main contents,the important parameters and some remarkable things in each stage.At last it puts forward some tho...

通过水的相平衡图及三相点示意图，阐述了真空冷冻干燥技术的原理；分析了真空冷冻干燥过程中各阶段的特点，介绍了每一阶段的主要内容、重要参数的测定和一些注意事项，最后提出了一些关于真空冷冻干燥设备节能方面的想法。

From our result, we can see that unphysical components of the gauge fields are contributive to the vacuum energy and it just cancel out ghost fields contribution to the vacuum energy.

从计算结果来看，规范场的物理分量和非物理分量对真空的零点能都有贡献，而规范场的非物理分量对真空能量的贡献，不仅不包含M-C-S规范场的质量项，而且恰好与鬼场的贡献相抵消。

Use vacuum bttle. vacuum bottle which is function, is good container for keeping tea.

保温瓶贮法：保温瓶失去保温功能后，为存放茶叶的好器具。

If you have used a vacuum cleaner, you will find some disadvantages of a vacuum cleaner.

如果你们使用过吸尘器，你就会发现它的一些缺点。

Metal vacuum cleaning tools and static-dissipative vacuum hose.

金属真空清洁工具和静电耗散真空软管。

Company not only has the high-volume processing capacity, is that it can be more difficult to bear all kinds of vacuum coating and ion implantation technology development, and provide technology transfer and technical services such as full-service The company has advanced three vacuum equipment, ultrasonic cleaning equipment, deionized water equipment related production equipment, fully meet the customer's production requirements.

公司不仅具有大批量加工生产能力，更主要的是能承担各类高难度的真空镀膜及离子注入技术的开发，并提供技术转让和技术服务等全方位服务公司拥有先进的真空设备三台、超声波清洗设备、去离子水设备等相关配套生产设备，完全可以满足客户的生产要求。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。