查询词典 vacuum

So there is a need to study the key technologiesand processes in the vacuum precooling unit and to provide the theoretical basis forthe design and application of vacuum precooling unit.

因此，迫切需要对真空预冷装置中的关键技术和预冷工艺进行研究，为真空预冷装置的设计和使用提供理论依据。

The influence of drying parameters of vacuum drying on productivity and quality of Pteridium Aquilinum drying was investigated, and the impact of drying temperature, vacuum degree and material thickness on vitamin C content was studied by nonlinear regressional orthogonal design.

考察干燥因素对蕨菜真空干燥生产率及其品质的影响，用二次正交旋转组合设计的试验方法，探讨干燥温度、真空度、物料层厚度对蕨菜营养成分维生素C含量的影响规律。

The item adopts many high and new-technologi es , include extract from innocuous solvent, vacuum concentrated, accumulate by membrane, separate by macroporous adsorptive resins, recrystallization, vacuum or spray drying etc, it can extract refined radices puerarire starch, radices puerarire isoflavone and radices puerarire element from puerarire.

项目采用无毒溶剂提取，真空浓缩、膜富集、大孔吸附树脂分离、重结晶精制、真空或喷雾干燥等高新技术组合的新工艺，从葛根中综合提取葛根淀粉、葛根异黄酮及葛根素。

According to the phenomena of high-frequency reignition after the interruption ofthe line current by vacuum interrupter s,the auther analyses and discusses some factors thatinfluence the interrupting characteristics of the HF current of vacuum inlerrupters.

本文结合真空断路器开断工频电流后所产生的高频重燃现象，对影响真空断路器高频电流开断特性的一些因素进行了分析和探讨。

The mechanism and process of coking reaction for vacuum residua are analyzed, and the lumping kinetic model is used in the process of vacuum residua coking reaction .

对减压渣油焦化反应机理和反应过程进行了分析，将集总动力学模型用于减压渣油焦化反应过程，建立了减压渣油焦化反应的六集总动力学模型。

The Practical and New patent is to strack automatically the movement of the sun by a small sync unit using a mirror paraboloid and focus the sunsine on the surface of vacuum heat absorbing pipe, so as to heat the water in a single vacuum heat absorbing pipe with several times of energy,so that the water temperature rises till boils with heat exchange.

家用同步跟踪太阳能开水器是利用镜面抛物面在小型同步装置作用下自动跟踪太阳运动，以7倍于阳光直射的能量将阳光聚焦到真空吸热管的表面，对单根玻璃真空吸热管中的水进行加热，通过对流热交换，使容器中水温上升直至沸腾的太阳能开水器。

Materials and Methods: Under the best annealing condition treatment and making sure the surface characteristics and cooling process after vacuum annealing had no significant effects to thermoluminescent response, TLD samples were put into the ABS TLD holder in the vacuum chamber.

材料与方法：将以最佳回火条件回火完成之CaF2：Dy (TLD-200)及CaF2： Tm (TLD-300)，确保其表面性质及真空回火后冷却过程对热发光反应无影响后，将其置於真空腔内之一压克力置装器内。

Specific products include: vacuum system cream machine, vacuum homogeneous emulsifying machine, mixer, reactor type, such as Cream, washing type, spices class production equipment; automatic aluminum composite hoses and plastic hose pipe production line, the kinds of specification type hose filling Sealing Machine, color filling Sealing Machine, hoses and other hose-type printing press production equipment; have liquid Filling Capping, capping machine, eye drops, oral liquid filling torinese plus spin to build machines and other types of packaging equipment bottle; have all kinds of liquid, cream, powder, granule packaging machine pouch; all kinds of stainless steel conveyor table; water treatment equipment; a variety of specifications for the pipeline system mold; stainless steel Clean Benches, cabinets, aircraft; soap production lines.

具体产品有：真空制膏机、真空均质乳化机、搅拌机、反应釜等膏霜类、洗涤类、调料类的生产设备；全自动铝塑复合软管和塑料软管的制管生产线、各种规格类型软管的灌装封尾机、彩条灌装封尾机、软管印刷机等软管类生产设备；有液体灌装旋盖、轧盖机，眼药水、口服液的灌装加内塞旋盖机等瓶类包装设备；有各类液体、膏霜、粉剂、颗粒的小袋包装机；各类不锈钢输送工作台；水处理设备；各种规格制管线模具；不锈钢超净工作台、柜、架；香皂生产线等。

Dwyer has been for 75 years in the World, its Low 〔differential） pressure instruments are high appreciated and are applied broadly over the World. Alicat Scientific has over a decade of experience in providing Mass Flow Meter, Flow Controller , Pressure Gage and Pressure Controller products. InstruTech concentrates in researching and manufacturing the vacuum gauges. Wasco concentrates in producing pressure switch、vacuum switch and pressure transmitters. Pyropress has been for about 60 years in the control and procedure application in the world, its products are rugged, lasting, many of which have options of explosion-proof, they are widely used in the harsh fields such as nuclear and non nuclear power generation, petroleum, chemical industry, defense industries, and so on.

美国Dwyer公司已有75年的历史，其微〔差）压产品在全球享有极高盛誉并得到了广泛的应用；美国Alicat公司在流量测量和控制领域有着数十年的丰富经验，为您提供精确、可靠的质量流量解决方案；美国InstruTech公司专注于真空测量仪表的研发和制造；美国Wasco公司是专业的压力开关、真空开关、压力变送器制造商；美国Anderson公司专业制造用于医药、食品等领域的卫生型压力、流量等仪表；英国Pyropress公司在控制和过程应用方面有近60年的历史，其产品坚固、耐用，许多都有防爆选项，大量用于核电站、电厂、石油、化工和国防等要求严格的领域。

A change in single-screw pump suction valve opening degree, when the suction vacuum is small, pump parameters changed little, and when the suction vacuum is larger, the pump working conditions deteriorated dramatically.

改变单螺杆泵吸入口阀门开启度，当吸入口真空度较小时，泵特性参数变化不大，而当吸入口真空度较大时，泵的工作状况急剧恶化。

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