evolution是什么意思

网络释义

用法例句

The results show that different mineral matters have a different effect on the evolution of sulfur compound in AP-TPR.

结果表明:由于煤中矿物质种类的不同,在AP-TPR条件下对不同含硫气体的逸出有不同的影响。

To determine the evolution of PH 3 gas from the rare earth(RE) silicide alloy, the qualitative and quantitative analyses of PH 3 were done by water reaction experiment.

通过水化实验 ,对稀土硅化物合金中逸出的PH3 气体进行了定性与定量分析。

TG/MS study on evolution characteristics of hydrogen from pyrolysis of three high rank coals;

三种高变质程度煤热解过程中H_2的逸出特征研究

This paper summarizes the results about emission mechanisms of CNTs during the past 10 years, including issues of field emission energy distribution (FEED), work function, emission models and emission stability.

较全面地介绍了碳纳米管场发射研究10年来在发射机理方面的研究结果,包括场发射能量分布、逸出功、发射模型以及发射稳定性和失效等问题,并介绍了相关方面的研究结果。

52A/cm~2 at 1773K and work function of about 2.

研究表明:纳米W La2O3发射材料的有效逸出功为2。

After heat treatment at 1000℃, the SWCNT's exhibits the lowest work function and their electron field emission pattern also shows a fine structure.

利用场发射显微镜在小于 4 0× 10 - 7Pa压强条件下研究了单壁碳纳米管微束在不同温度加热除气后的场发射变化 ,得出随着除气温度的升高 ,碳纳米管逸出功经历了从大到小再变大的变化过程 。

Using alcohol hydrogen test,three point bending test, microstructure observation and fracture analysis, the effect of Ti content on diffusion hydrogen H d escape characteristic, microstructure and fracture morphology of electrode deposit metal were investigated.

利用酒精法测氢技术、三点弯曲法试验 ,并结合显微分析和断口分析方法探讨了钛含量对熔敷金属扩散氢逸出特性、焊缝组织以及断口形貌的影响。

The efect of rare earth content on diffusible hydrogen escape characteristic and properties of electrode's deposited metal were investigated by means of rare earth transition from basic coating to weld metal,combined alcohol hydrogent test?low-temperature impact test and crack resistance test.

通过碱性焊条药皮向焊缝金属过渡稀土元素的方法 ,并结合酒精法测氢技术、低温冲击试验以及小铁研抗裂性试验 ,研究了稀土含量对熔敷金属扩散氢逸出特性及性能的影响。

Gas is escaping from the pipe.

煤气正从管中逸出。

diverge from the beaten track

逸出常轨,不落俗套

Electrons in a metal come out of the surface.

金属中的电子逸出表面。

Air leaked out of the balloon.

空气自气球中逸出.

The gas escaped from a fracture in the pipe.

煤气从管子裂缝处逸出。

Gas escaped from the pipe.

气体从管子里逸出。

if spirits can steal from the regions of air

倘若灵魂能从神宇逸出，

The escape or release of vaporous waste material, as from an engine.

排出废气从气缸中排出或逸出

the sibilant noise of steam escaping

蒸气逸出时发出的唝唝声.

The engine had blown a gasket, ie the gasket had suddenly let steam, etc escape.

发动机的一个垫圈失效了（蒸气等逸出）.

At sufficiently high temperatures considerable number of electrons are able to escape.

温度足够高时，就有大量电子逸出。

The liberation of electrons from a hot wire is called thermionic emission.

电子从热灯丝逸出，叫做热电子发射。

The gas escapes from the sphere of the reaction.

气体产物从反应体系中逸出。

Escaping gas can also spark catastrophic explosions and fires.

逃逸出的气体也会造成灾难性的爆炸与大火。

The filtration should be carried out in a hood because of the escape of poisonous gases.

因为有毒气逸出，过滤应在通风橱中进行。

The effect is caused by the escape of electrons from the hot filament.

这个效应是由于电子从热灯丝逸出而引起的。

Study on Runaway Protection and Quitting Runaway Transient Process of Hydraulic Turbine;

水轮机组飞逸保护及退出飞逸过渡过程的研究

The cashier embezzle$50, 000from the bank and run away.

银行的出纳盗用了五万元，并且逃逸。