The method of increasing the unmaintained dewar high vacuum lifetime is clarified.

Leakage and outgas of dewar vacuum vessel also is analysed.

杜瓦微漏孔和真空室内部材料放气使杜瓦真空度下降.

The requirement of minimization for the Dewar is increasing in the development of astronomical technique.

随着天文实测的发展,对小型化杜瓦出现了一定需求.

The radial temperature profile of the experimental dewar hasbeen measured.

测量了实验杜瓦的轴向温度分布.

The system consists of the control unit housing the pumps and a 2 Litre dewar.

冷却系统由装有泵的控制器和2升液氮罐组成.

The dewar is the front end of the receiver system of the radio telescope.

杜瓦瓶是射电望远镜上接收机系统的前端.

Mini Dewar of IR detector provides cryogenic and vacuum environment for IR photoelement.

红外探测微型杜瓦是一种能满足红外光敏元件在低温及真空环境下有效工作的重要装置.

Its effect of dewater has bettered much than the traditional fixed vortex sieve.

结果表明,较传统固定式旋流筛的脱水效果有明显改善.

Quick-setting , non-dewatered and cemented full tailings filling is a newly-developed filling technology at present.

速凝无脱水全尾砂胶结充填是目前新开发的一项充填技术.

If they are properly dewatered with suction boxes before entering the nip.

如果进入压区之前,他们得到适当的吸水箱脱水.

It is very difficult to be dewatered mainly because of the absorbed polymer and its hydrolysate.

污泥中含有的聚合物及其亲水性的水解产物可能是其大比阻的主要原因.

This paper inducted the application of DYQ 1000-X Belt Filter Press to dewatering leather process sludge.

本文主要介绍了DYQ1000-X带式压榨过滤机,在制革污泥脱水中的应用.

Dewatering machine should be placed horizontal and stable.

3脱水机应平稳放置.

Dewatering in deep excavation will cause settlement of surrounding soils.

摘要深基坑开挖中的降水会引起周围土体沉降.

No dewatering of stock, unlike standard knife gate valves.

与标准刀闸阀不同,不需要库存脱水.

It depends on the pulp flow pressure and quickly dewatering in forming zone.

它主要依靠浆流本身的压力,在成形区内快速脱水成形.

The filtrationaiding properties and mechanism of polyethylene oxide in dewatering of fine flotation coal are investigated.

研究了聚氧乙烯对细粒浮选精煤的脱水助滤性能与机理.

Dewatering and desalting in electric dewatering plant in oil refinery.

炼油厂电脱盐装置的脱水、脱盐.

The Rotory Press Filter is a new type of dewatering equipment.

滚压式污泥脱水机是一种新型脱水机械.

The settlement depends on not only the depth of dewatering but also the permeability of soil.

地表沉降不仅取决于坑外降水深度和坑内外水头差,还与土层的渗透性有关.

This paper discusses the optimal dewatering well and pumping rates design by using modified simplex method.

证实了利用修正单纯形方法优化矿井疏干井群设计的有效性.