真空的

A mathematic model was developed to describe how the process of surface outgassing affects the vacuum degree in a minisized container with the pressure boost formula calculated.

建立数学模型描述了材料表面放气对容器内部真空度的影响，进而推算出容器内部真空度的变化规律。

Cone vacuun mixing drier increases vacuun drying/ heating/ cooling. etc functions on the basis of cone helix mixer.Because it uses widy.during the period of manufacture much attention has been paid to rationality and convenient.Special design at shaft seal/screw support and thickness of cone plate is increased.

圆锥型真空混合干燥机，是在圆锥型螺旋混合机上，增加了真空干燥/冷却等功能，由于用途广泛，因此特别重视制造过程中的合理性及便利性，该设备在轴封/螺旋支撑部及锥体板厚等方面增加特别的设计，基本结构与圆锥型螺混合机相同。

Graham major products are the ejectors, liquid ring vacuum pumps, condensers, heat exchangers, and complete vacuum systems used every day by people throughout the world.

格雷汉姆的主要产品是真空喷射器、液环泵、冷凝器等以及整套真空系统，在全球多个工业领域有着广泛的应用。

The Roots pump and oil ring pump combination system, manufactured by Zhejian Vacuum Equipment Group Co.

在3000磅真空感应炉上改用浙江真空设备集团有限公司生产的罗茨油环机组代替滑阀泵，取得了较好的效果。

There is great gap between theory research and current development about press plate wood vacuum dryer, especially wood vacuum drying schedule which can not meet the requirement of production.

目前，国内对于压板式木材真空干燥机的理论研究与实际还有很大的差距，尤其是木材真空干燥工艺基准不能适应实际生产要求。

Vacuum pump working pressure vacuum equipment should meet the limits of vacuum and pressure of work demands.

真空泵的工作压强应该满足真空设备的极限真空及工作压强要求。

Hence, studies on the measurement and the online detection technique of vacuum pressure within vacuum tube have important academic and practical meanings.

因而对真空灭弧室真空度在线检测的方法和系统进行研究具有重要的理论和现实意义。

Because the vacuum packing machines can greatly extend the shelf life of the food, that is, they enable vacuum-packed food to preserve longer than usual.

因为真空包装机可以大大延长食品的保质期，经过真空包装的食品保鲜期变得比以往长。

In the simulation, the effects of the snorkel diameter, circulation flow rate , lift gas flow rate, oxygen content, and vacuum vessel pressure were taken into account.

对RH真空精炼时的脱碳、脱氧、脱氮和脱氢过程进行了动态模拟研究，考察了浸渍管直径、循环流量、吹氩量、氧含量和真空度对脱碳和脱气过程的影响。

Was established in 1991, specializes in PVD is a vacuum coating machine design and manufacture of PVD and vacuum coating services to provide high-tech enterprises.

门从事PVD真空镀膜机的设计和制造并提供PVD真空镀膜服务的高新技术企业。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。