查询词典 by air

The lower end of a heating tube is thermoconductively connected to a metal bush whose upper portion in thermally insulated by air gaps from both the separating sleeve and the heating tube.

加热管下端导热地接到金属衬套上，空气间隙将其上部与套筒和加热管热绝缘。

A method for the determination of silver in impregnated activated carbon by air-C2H2 flame atomic absorption spectrometry was set up.

本研究建立了一种用空气-乙炔火焰原子吸收分光光度法测定浸渍活性炭中银含量的分析方法，对酸介质浓度、共存元素的干扰进行了探讨，在0～1.0mg/L范围内，银含量与吸光度呈线性关系，相关系数为0.9999。

5TYQ-100 type corn thresher is a new machine for corn cleaning by air flow.

5TYQ-100型玉米脱粒机是一种利用负压气流，将轴流滚筒脱粒下的玉米籽粒进行清选的新机型。

The theory of the simulation is that, firstly put fuze and parts in simulation device in reverse, then fire them in high speed by air gun , and they fly into gun spinning quickly and impact cushion and brass block in it , negative acceleration because of impact is to simulate setback , meanwhile they spin with spin gun when impacting, so spin environment can be simulated, so the simulation system can stimulate setback and spin of fuze in fire.

该模拟系统的原理是将引信及其零部件倒置在模拟弹丸中，通过空气炮以高速发射出去，然后飞入高速旋转的旋转管内，与旋转管内的缓冲块和黄铜块碰撞，碰撞而形成的负加速度作为引信发射时受到的后坐，由于碰撞时与旋转管一起旋转，模拟引信发射时的旋转环境，达到模拟引信发射后坐与旋转环境的目的。

It verified that people in the city are generally affected by air pollution with diesel-engined automobiles.

证明了在城市中的人群普遍受到柴油发动机汽车空气污染的影响。

The local Directional drilling is just staring in terrane, the equipments and the technologies cant satisfy far and far the spot construction needs, according to current circumstance and considing the existed equipments, the author put forward drilling by air hammer in terrane , having designed compounded-drilling tools,and recommended technology parameters.producing experiments have obtained good achievements in economic and in techniques.

国内定向钻进铺管技术在岩层只是刚刚起步，设备、工艺远远不能满足现场施工需要，本文针对国内、外岩层定向钻进非开挖设备及工艺现状，结合国内大多施工单位的已有设备，提出岩层空气潜孔锤导向钻进工法，设计了适合岩层钻进的实用钻具，并提出具有针对性的工艺参数，生产性试验取得了良好的经济技术指标。

High viscosity fuels are usually atomized by air-blast atomizers.

气力式雾化一般用来雾化高粘度燃料，研究气力式喷嘴雾化特性及机理，具有非常重要的意义。

The results show that the microstructure of the cast steel quenched at 920 ℃ and cooled by air is fine bainite.

研究发现铸钢经920℃空淬后，获得了细小的贝氏体组织。

The paving asphalts (GB/T15180) AH-110, AH-90,AH-70 and petroleum bitumens for architecture (GB494) can be obtained respectively by air-blowing the residua.

通过氧化，可由沙特混合减压渣油制取符合GB/T15180、AH-110、AH-90和AH-70以及GB494技术指标的高等级道路石油沥青和建筑石油沥青。

We note that you want additional samples of 5 yards per colourway to be dispatched by air, This can be done provided that the cost, airfreight and insurance premium are for buyer's account.

4恰悉贵方另要求航寄色位各5码样品，这是可以的，但布价航邮费及保险费须由客户负担。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷