查询词典 vacuum

In this paper, the principle in measuring the vacuum of sealed vacuum device with Penning discharge is analyzed, the Penning discharge model of sealed vacuum device is established, the experimental device is designed, and pressure-ion current chart is presented.

分析了利用潘宁放电来测量两个电极的密封电真空器件真空度的工作原理，设计了测试实验装置，初步建立了密封电真空器件的潘宁放电模型，给出了有关实验数据。标签潘宁放电密封电真空器件真空度 Penning discharge sealed vacuum device vacuum

2SKW is also used as vacuum pump; it is especially applicable to the high vacuum condition and high discharge pressure vacuum compression condition, which can not be completed by common single-stage pump, thereby, the serviceable range of SKW single-stage pump is widened.

2SKW也可用作真空泵，特别适合于单级无法比拟的高真空工况和出口压力要求较高的真空压缩工况，从而拓宽了SKW单级泵的使用范围。

The device comprises an arc discharge vacuum chamber; wherein, the arc discharge vacuum chamber is connected with a vacuum pump and is internally provided with a graphite cathode and a graphite anode which are connected with a DC supply. The device is characterized in that the graphite cathode and the graphite anode are respectively provided with an upper spherical crown shape graphite plate and a lower spherical crown shape graphite plate which are matched with each other and formed a spherical crown shape capacitor.

它包括电弧放电真空室，电弧放电真空室与真空泵相连接，电弧放电真空室内设有石墨阴极和石墨阳极，石墨阴极和石墨阳极与直流电源相连接，其特征在于在石墨阴极和石墨阳极上分别设相配合的上球冠形石墨板和下球冠形石墨板，上球冠形石墨板和下球冠形石墨板形成球冠型电容器。

Real-time vacuum indication: vacuum gauge meter shows vacuum level in real time.

顶部装有真空指示表，真空状态可以随时观察

Real-time vacuum indication: vacuum gauge shows vacuum level in real time.

顶部装有真空指示表，真空状态可以随时观察

Major products of our company consists of standard vacuum part, vacuum valve, designing and manufacturing of non-standard part of vacuum system.

我公司的主要产品有：真空标准件、真空阀门，并承接真空系统非标准件的设计加工业务。

The novel vacuum furnace is employed in laboratory study. Compared with atmosphere magnesium carbothermic reduction furnace, this new one has the merits of high automation, easy manipulation and fine safety. Vacuum coking, vacuum carbothermic reduction process and magnesium vapory condensation process can be carried out in a furnace.

小型实验结果证明：还原温度升高，还原时间延长，氧化镁还原率增大，添加适量的氟化物对还原反应有促进作用；还原过程中真空度随时间的变化具有规律性，由此可以判断还原反应进行的速度与程度；真空中煤还原氧化镁的条件是：配料时保证C：MgO=3：1，并加入占总料重10％的氟化钙作为催化剂，尽可能的提高反应温度至1500℃以上，保温30～40分钟。

I need to know the department can pump water vacuum created there is a limit, the absolute vacuum suction when the water-way is about 10 meters high, and water pumps can not establish an absolute vacuum.

要知道水泵吸水口处能建立的真空度是有限度的，绝对真空时的吸程约为10米水柱高，而水泵不可能建立绝对的真空。

As a manufacturer of equipment of scien-tech environmental protection integrated with technical design, product development, production, distribution and marketing, Sunny EP mainly focuses on the development of solid-liquid separation technique, with its successful development of a number of special technology on solid-liquid separation covering DU series of vacuum belt hydroextractor, DI series belt vacuum filter, HVPF series full automatic vertical frame filter press, TC series ceramic vacuum filter.

烟台桑尼核星环保设备有限公司是一家由核工业同兴实业有限公司控股的中英合资企业，是集环保技术设计、产品开发、生产、销售和服务为一体的科技环保类设备制造公司；公司以固液分离技术的研发为主导，先后开发了DU系列的真空皮带脱水机、DI系列带式真空过滤机、HVPF系列全自动立式板框压滤机、TC系列陶瓷真空过滤机等固液分离和多项固液分离专有技术。

Vacuum belt hydroextractor （also named fixed rubber belt vacuum filter） is a new solid-liquid separating equipment with high efficiency and continuous operation, based on introduction, assimilation and digestion of the techniques of the same products overseas. It has achieved solid-liquid separation by making full use of material gravity and vacuum suction. In terms of its structure, filtering section is arranged horizontally lengthwise, and length of filtering section can be fully used to fulfill in turn such a process covering filtering, rinsing and sucking up, with advantages of high filtering efficiency, productivity, good rinsing effect, wide application range, simple operation, stable running, convenient maintenance and service.

真空皮带脱水机也叫固定真空室式橡胶带式过滤机；是我公司在引进、消化和吸收国外同类产品技术基础上，研制的一种新型、高效、并可连续操作的固液分离机械设备，同时它也是一种充分利用物料重力和真空吸力实现固液分离的机械设备；在结构上真空区沿水平方向布置，利用真空区的长度可以连续完成过滤、洗涤、吸干等不同工艺过程，具有过滤效果高、生产能力大、洗涤效果好、应用范围广、操作简单、运行平稳、维护保养方便等优点；特别适合于过滤固相颗粒粗、密度大及滤饼需要多次洗涤的悬浮液料浆，可以广泛应用于冶金、矿山、化工、造纸、食品、制药及环保等工业部门的固液分离；尤其在湿法烟气脱硫中的石膏脱水方面有着很好的应用。

Just so you know where we're going...

只要让你知道我们的目标。。。

One of his friends acted as the gobetween in his business.

在这件事中，他的一个朋友充当了中间人。