Design for Hanging Pressure-accumulated Super Fine Dry Powder Fire-distinguishing System without Pipe Networks 这指的是把收获的烟叶或茎秆挂在干燥棚里。无管网悬挂式贮压超细干粉灭火系统设计
Automatic dry pipe sprinkler system 干式自动喷水灭火系统
Combined dry pipe and preaction sprinkler system 干管预作用喷水灭火系统
This article compares dry spreading technique with coating method of CCCW applied in prefabrication pipe sections, which are used in shield construction. 对比介绍了水泥基渗透结晶型防水材料(CCCW)在地铁盾构法施工预制管片生产中的干撒法和涂刷法两种施工工艺。
Differential-type dry pipe valve 差动型干式阀系统部件
The utility model relates to an adjustable core bar for the dry isostatic pressing forming machine which is especially suitable to produce the special-shaped ceramic flan, the powder metal pipe, ect. 本实用新型涉及一种干袋法等静压成型机用的可调芯杆,其造型特别适合生产异型陶瓷素坯管、粉末金属管等。
Research on the Filling of Dry Sand for Vertical Pipe with Bottom Blind hole for EPS Pattern 干砂对EPS模样垂直向下盲孔充填性的研究
Technique of Dry Moulding Eight-hole Cement Pipe Block 干打8孔水泥管块工艺
The recent progress in hot spray and fast dry corrosion protective for pipe maintenance has been briefly reviewed. The basic composition of the hot spray and fast dry coatings for pipe maintenance and principles for selection were given. 水性自干防腐蚀涂料综述了采用热喷快固化涂料进行管道修复的最新进展,介绍了热喷快固化涂料的基本组成及其选择原则。
This paper briefly introduces the producing process and technique of dry moulding eight-hole cement pipe block, puts forward some problems needing attention in the course of production, and analyses the economical and social benefits of this technique. 简要介绍了干打8孔电缆管块预制的生产过程及工艺,提出了生产过程中应注意的几个问题,分析了该工艺的经济效益和社会效益。
Conclusion: Dry pipe pharmacotherapy is a modus operandi for acute and chronic disease of periapical. 结论:本方法是治疗急慢性根尖周病的有效方法。
To observe the therapeutic effect in 106 instances deciduous molar tooth periapicalitis with dry pipe pharmacotherapy 乳磨牙根尖周炎空管药物疗法106例疗效观察
Both wet and dry underwater welding operations are presented to repair the burst at the welding seam of large size crossing steel pipe. 介绍了大口径过河钢管接口焊缝爆漏现象,以及湿法和干法水下焊接修复技术。
Study on Fill of Dry Sand for Vertical n Type Pipe in Full Mold Process 实型铸造干砂对垂直n型孔充填的研究
According to the analysis of self-excitated vibration that produced by the dry friction between the drill bit of pipe roofing and terrane, a vibration mathematical model of Bottom Hole Assembly ( BHA) has been constructed, and its dynamic characteristic is analyzed. 文章在分析管棚支护的钻孔钻头与岩层之间的干摩擦产生自激振动的基础上,建立了下部钻具组合(钻柱)的振动数学模型,并对其动态特性进行了分析。
Based on the example of dry dock engineering for Shanghai Outer Ring Tunnel, it expounds the essentials of quality control for pipe section bed treatment in dry dock engineering. 通过上海市外环隧道干坞工程实例,就干坞工程管段基底处理的质量控制要点进行论述。
Dense-phase pneumatic conveying of pulverized coal has been applied widely in dry coal feeding entrained-flow pressured gasification. However, lower gas velocity easily causes unsteady flow and even leads to blockage of pipe, which influences the efficiency and operation safety of gasifier. 粉煤密相气力输送广泛应用于干煤粉加压气流床气化技术中,但低气速容易引起管路中粉煤不稳定流动,甚至堵塞管道,会严重影响气化炉运行的效率和安全性。
Then this paper, thin-walled piles and construction quality control dry jet mixing pile were described and analyzed results show that the quality control of thin-walled pipe pile more effective than dry jet mixing pile quality control effect. 接着本文对薄壁筒桩和粉喷桩的施工质量控制进行了讲述和分析,结果表明薄壁筒桩的质量控制效果要优于粉喷桩的质量控制效果。