vacuum的例句大全

The vacuum degree between the inner and cover glass tubes plays a very important role in heat loss and the life time of all-glass evacuated collector tube.

全玻璃真空太阳集热管内外玻璃管夹层间真空度的保持情况对有效降低热损、提高太阳能的利用率、延长集热管的寿命都有至关重要的作用。

互联网摘选

In vacuum gas oil and cracked residue, the mass ratio of basic nitrogen to total nitrogen is 0.300-0.390.

蜡油馏分及尾油中的碱性氮与总氮的质量比约为0.300-0.390，且不随催化剂含量的改变而改变。

互联网摘选

The Study on the Copper Crucible of 25 kg Vacuum Skull Furnace

25kg真空凝壳炉用紫铜坩埚的研究

互联网摘选

The copper crucible for 25 kg vacuum skull furnace is systematically studied. The various factors effecting on the copper crucible failure are analyzed and discussed. The effective methods of elongating the service life of the copper crucible is indicated.

对25kg真空凝壳炉用紫铜坩埚进行了系统研究，分析和讨论了影响紫铜坩埚损坏的各种因素，提出了延长紫铜坩埚寿命和提高坩埚利用率的有效方法。

互联网摘选

Research on Forced Cooling rate in High Pressure Vacuum Gas Quenching Furnace

真空高压气淬炉强化冷却速率的研究

互联网摘选

In the multistation exhaust system a mechanic pump is used as the backing pump and molecular pump as the main integral part to form a high vacuum system.

由机械泵为前级泵，分子泵为主抽泵构成高真空系统，对高压开关管进行真空排气；

互联网摘选

The outlet pressure of all those pumps were not lower than 0.1 Torr, and it follows that those pumps can run well by using directly the mechanical vacuum pumps as backing pumps without booster pump used.

所有这些泵的最大出口压力不低于0.1Torr，因此前级泵可直接用机械真空泵，不必用增压泵即能正常工作。

互联网

On the Improvement of Return Water and Vacuum Systems in Power Plant

发电厂循环水、真空等系统的技术改进

互联网摘选

Design of the Evaporator Applied to Producing Barium Chloride under Vacuum

真空制氯化钡蒸发器的设计

互联网摘选

The Application of Barometric Leg in Vacuum Filters

大气水腿管在真空洗浆机上的应用

互联网摘选

The design of the reinforcing ring and the calculation of external pressure seal were summarized, which had been used as the design basis of the FRP vacuum equipments with the practical example of barometric condenser.

通过气压冷凝器设计的实例，表明这一方法己成功地用作玻璃钢真空设备的设计依据。

互联网摘选

This paper discusses the influence of beaming effect and worked out the accurate expression of the transmission probability of the next tube in vacuum pumping line.

本文计论了集束效应对后续管道的影响结果，以现有的计算公式为基础，导出了后续管道传输几率的较为精确的近似计算公式。

互联网摘选

Abstract As influence of beaming effect, the entry conditions of the next tube in vacuum pumping line is different, from the tube which connects with a big vessel, so the transmission probability which was worked out by the experience approximate expression will lead to more errors.

由于集束效应的影响，真空管路中后续管道与入口连接大容积的管道的入口条件不相同，因而其传输几率的计算用现有的近似计算公式将会导致较大的误差。

互联网摘选

The refined product with high purity is obtained by vacuum distillation of crude benzal chloride.

将制得的苄叉二氯粗品进行真空精馏得到高纯度的精品；

互联网摘选

The methods of using adding medium and vacuum rectification to get rid of the impurity associated with methyl benzoate are introduced.

介绍用加介质减压精馏方法除掉与苯甲酸甲酯（BE）伴生的杂质。

互联网摘选

With PETA as the monomer, benzoin ethyl ether as the initiator and the energy of UV light, poly ( acrylate) gelation is produced in different solvents and foams are prepared via vacuum drying technique.

以季戊四醇四丙烯酸酯（PETA）为聚合单体，安息香乙醚为引发剂，通过紫外光引发生成凝胶，通过真空干燥得到PETA泡沫材料。

互联网摘选

The Rapid-risen Temperature Model and Adaptive Control Method fot the Beryllium Bronze Vacuum Time-effective Furnace

铍青铜真空时效炉快速升温模型及自适应方法

互联网摘选

Development and Study on iron core style bipolar axial magnetic field vacuum interrupter

铁芯式两极纵磁真空灭弧室的开发研究

互联网摘选

The induced eddy current in the iron core of iron style bipolar axial magnetic field vacuum interrupter is analyzed.

该文对铁芯式两极纵磁真空灭弧室中铁芯的涡流进行了数值分析。

互联网摘选

For improving heat supplying ability of condensing bleeder turbine, we carried out low vacuum modification in turbines, raised exhaust parameters, and utilized vaporization latent heat of exhaust to heat circulating water of condenser to supply heat to user.

为提高抽汽凝汽式机组的供热能力，对汽轮机组进行低真空改造，提高排汽参数，利用排汽的汽化潜热加热冷凝器冷却循环水，向热用户供热。

互联网摘选