The prestressed duct was a technical measure of duct grouting by vacuum method.
采用塑料波纹管作为预应力管道是配套真空辅助压浆技术的技术措施。
The present invention discloses a method for preparing a vinyl acetate catalyst by a vacuum method.
本发明提出了一种使用真空方法进行醋酸乙烯酯催化剂的制备 方法。
The level of permeability of each cigarette paper was also examined using a PPM1000M paper porosity device (Cerulean, Milton-Keynes, UK) using the vacuum method.
采用利用真空方法的PPM 1000 M纸孔设备(英国Cerulean米尔顿-凯恩斯)检测每张烟纸的渗透程度。
The present paper discussed the problems during the production of thick-wall glass by application of new technology of inside diameter controlling with vacuum method.
本文对真空法控制内径拉制成厚壁管状玻璃棒的生产中出现的问题进行讨论。
The superstructure of the main spans of Jincheng Bridge in Wuxi is a prestressed concrete continuous box girder with its longitudinal and transverse prestressing ducts grouted by vacuum method.
无锡金城大桥主跨上部结构为预应力混凝土连续箱梁，纵、横向预应力孔道压浆采用真空辅助压浆工艺。介绍该真空辅助压浆的施工工艺。
It is Introduced the principle and method of vacuum leak age detection of the special equipment in the semiconductor production and the experience on solving practice problems with the method.
本文介绍了半导体制造专用设备的真空检漏的原理、方法，以及用该方法解决实际问题的一些实践经验。
A part has many voids that can be impregnated. One method is to use an oil bath. Another method uses vacuum first, then impregnation.
零件有许多可供填充的空间。一种方法是采用油浴。另一种方法是先抽真空然后再充满。
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。
Conclusion: the values of fatigue strength and bending strength of the bone cement were improved by vacuum mixing. The method of vacuum mixing has an active significance in clinic.
结论：采用真空搅拌骨水泥的方法，提高了国产骨水泥的抗疲劳强度及静态抗弯曲强度，在临床应用有较大的积极意义。
Mulberry powder was produced by the electro-temperature vacuum drying method, and amino acids as one of the main ingredients of mulberry was measured and compared before and after processing.
初步研究了电热恒温真空干燥法生产桑葚粉的加工工艺，并对桑葚主要成分之一的氨基酸在加工前后的变化进行了测定和比较。
The water in fertilizer by vacuum oven method were tested, and sources of uncertainty measurement of water were analysed and evaluated.
利用真空烘箱重量法测定了复混肥料中的水分，并对水分的测量不确定度的来源进行了分析和评定。
This paper describes the method of metal tip fabrication for vacuum microelectronics.
介绍了真空微电子中金属尖阴极的制备方法。
Then the eluent which got from above conditions was dehydrogenized by vacuum freezing drying method, the tan powder of BLF was collected.
在此条件下得到的洗脱液再采用真空冷冻干燥的方法，得到竹叶黄酮的黄褐色粉末。
By the method of vacuum drying, influence of the varying temperature on the turpentine moved under the same other terms is studied.
利用真空干燥方法，在其它条件相同的情况下，探讨温度对松节油移动的影响。
The drying process conditions is studied on the Titaium tetrabutaoxide gel by vacuum drying method.
采用真空干燥的方法，探索钛酸丁酯凝胶的干燥工艺条件。
Vacuum freeze-drying, including the techniques of vacuum, freezing and drying, is a food processing method.
真空冷冻干燥是集真空技术、冷冻及干燥技术为一体的食品加工方法。
The organic light-emitting devices (OLEDs) were fabricated by vacuum evaporation method on PET flexible substrate.
利用真空蒸镀方法，在PET柔性衬底上制备了有机电致发光器件。
Electrical contact, method of manufacturing the same, electrode for vacuum interrupter, and vacuum circuit breaker.
电触点及其制造方法，用于真空断续器的电极，以及真空断路器。
Analyzing the mathematical model, which has been established with the finite element method, the vacuum glass's strut-stress distribution was gained.
用有限元方法分析已建立的数学模型，得出整块真空玻璃的支撑应力分布。
Base on the main problem of vacuum ejector waste system, this paper set out overhaul flow chart and raise check and overhaul method.
根据污物收集系统的常见故障，列出了检修流程图，提出了检查方法和检修要点。
The article briefly introduces a calculating method of vacuum heat treatment thermal hysteresis time, to accurately and reasonablely decide vacuum heat treatment heating and holding time.
简要介绍了真空热处理加热滞后时间的计算方法，为准确、合理地确定真空热处理加热保温时间提供了理论基础。
Determination of free water for compound fertilizers is usually applied Karl Fischer method or vacuum oven method, a different extraction solvent can selected as Karl Frscher method is applied.
复混肥料中游离水含量的测定方法通常采用卡尔·费休法或真空烘箱法，用卡尔·费休法测定时又可选用不同的萃取剂。
It also provides the brick-tile industry the optimum parameters for atomized jet vacuum pump and the method of designing efficient jet vacuum pump.
并为砖瓦行业提出了确定液气射流真空泵的最优参数及设计高效液气射流泵的方法。
Brush + Vacuum cleaning method, no consumable material, no need to interrupt lines.
毛刷真空清洁方式，无耗材，生产中无需停线。
The possibility of corn drying under vacuum and low temperature conditions was analyzed, and a brief explanation was given on the applications of the vacuum drying method to grain.
通过实验探讨了玉米在真空低温条件下干燥的可能性，对真空干燥方法应用于谷物作了简单说明。
The paper discusses the process design method of vacuum system in chemical plant and the selection method of the key equipment - vacuum pump in the vacuum system.
论述了化工生产中真空系统的工艺设计方法及真空系统中关键设备真空泵的选择方法。
The experimental bench for applying vacuum pressure difference method was used for in-line testing, of which the exactness is up to over 98%.
采用真空压差法的试验台用于在线检测，准确性达98%以上。
The experimental bench for applying vacuum pressure difference method was used for in-line testing, of which the exactness is up to over 98%.
采用真空压差法的试验台用于在线检测，准确性达98%以上。
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