Cleaning method of roof is usually first with high-power vacuum cleaner and brush to clean the area, then use neutral detergent on cleaning dirt place, then a comprehensive clean.
顶棚的清洁方法通常是先用大功率吸尘器和刷子进行大面积的清洁，然后用中性的洗涤液着重清洁污垢集中的地方，最后再全面的清洁一次。
Aim at the higher level of dynamic insulation design, a whole optimized design method for high voltage vacuum interrupters is proposed.
本文以动态绝缘为设计目标，提出高电压真空灭弧室的全程优化设计方法。
We studied the method of removing solvent in extractum of Sophora alopecuroides L. , and determined high vacuum conditions were the safety and efficiency method of removing solvent.
实验研究了苦参碱浸膏脱溶的方法，认为高真空脱溶是安全、有效的脱溶方法。
The soft soil roadbed engineering of Chuangye Avenue and Keji Avenue is disposed by high vacuum compaction method.
创业大道、科技大道软土路基工程采用高真空击密专利技术法进行处理。
The vacuum dryer and the drying method are characterized by good drying effect and high efficiency.
该真空干燥机及干燥方法可具有干燥效果好、效率高的特点。
The measurement of the total emissivity of a solid surface in the black cavity which is immersed in liquid nitrogen and under high vacuum (10-6 torr) by steady caloric method is described.
本文提出了一个真空度为10~（-6）毫米汞柱，黑体腔四周浸泡在液氮中的固体的表面热辐射率的测定方法。
To study on the biological activity of garlic powder with high thiosulfinates content which was produced by microwave-vacuum drying combined with vacuum drying method.
主要对采用微波真空与真空联合干燥法得到的高硫代亚磺酸酯含量大蒜粉的生物活性进行了研究。
The three main methods for high purity zinc preparation, including electrolytic method, vacuum distillation, zone refining, are summarized and compared in this paper.
本文对目前高纯锌的三种主要制备方法(电解法、真空蒸馏法、区域熔炼法)进行了综述和比较。
This paper simulated gas flow in vacuum high- pressure gas quenching furnace with finite volume method (FVM).
这里采用有限体积法对真空高压气淬炉中气体流动过程进行了数值模拟计算。
The adsorption isotherms of adsorbents (NA and NB) were obtained by high vacuum gravimetric method.
用高真空重量法测取了自制吸附剂NA和NB的吸附等温线；
A new method of electric field design of high voltage vacuum interrupters is proposed.
提出一种高压真空灭弧室电场设计的新方法。
High vacuum and the average pumping method are applied for the manufacturing of stable products and improving the quality and productivity.
真空度高，采用平均抽法，可使产品稳定，提高品质及产能。
The invention has the advantages that no oxidation, simple method, convenient operation and high efficiency are achieved since the heating treatment is conducted in the vacuum chamber;
本发明的优点是：在真空室中进行加热处理，无氧化、方法简单、操作方便、效率高；
In respect of the producing method, refined and high unmixed salt is usually made by multiple effect evaporation in vacuum, when man-made bittern is needed.
从制取方法上来讲，多效真空蒸发制盐是生产精制盐及高纯工业盐的重要方法。
The vacuum membrane distillation units, the device and the method have the advantages of high heat recovery rate, energy saving, high equipment integration degree, low operation cost and the like.
本发明的减压膜蒸馏组件单元及其装置和方法具有热回收率高、节能、设备集成化程度高、操作成本低等优点。
The principles, method of the analysis, structure and character of gas chromatographic instrument for vacuum melting furnace with high frequency are introduced and analysed in this paper.
本文对高频真空熔融气相色谱分析仪的测试原理、方法、结构、特点等方面进行了介绍和分析。
A vacuum distillation method and a vacuum distillation device are disclosed, for inhibiting frothover in a distillation boiler and recycling high pure solvent in free of impurities.
提供一种减压蒸馏方法以及减压蒸馏装置，其抑制蒸馏锅内的突沸，回收不含杂质的高纯度溶剂。
By using vacuum coating method, we prepared a new type of goggles which is very fitted to be used in the high temperature smelting and welding environment.
采用真空镀膜的方法，制备出高温冶炼、焊接等使用的护目镜。
The adsorption isotherms of adsorbents (NA and NB) were obtained by high-vacuum gravimetric method.
用热分析法对吸附剂的脱附性能进行了分析；
The present invention provides a high vacuum oil with high-temp. resistance and high vacuum degree for high vacuum equipment and its preparation method.
本发明涉及高真空油，为解决具有高真空设备所需要的耐高温、高真空度的真空油。
It is concluded that high-groove-efficiency blazed gratings used in the vacuum ultraviolet and soft X-ray wavelengths can be easily fabricated by this method at normal or near-normal incidences.
此方法可以应用于真空紫外和软x射线波段的光栅制作，在获得较高的槽形效率的同时，可以大大减少其制作难度及成本。
It is concluded that high-groove-efficiency blazed gratings used in the vacuum ultraviolet and soft X-ray wavelengths can be easily fabricated by this method at normal or near-normal incidences.
此方法可以应用于真空紫外和软x射线波段的光栅制作，在获得较高的槽形效率的同时，可以大大减少其制作难度及成本。
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