無壓管道 的英文怎麼說

中文拼音 [wúyāguǎndào]
無壓管道 英文
free flow conduit
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 壓 : 壓構詞成分。
  • 管 : Ⅰ名詞1 （管子） pipe; tube 2 （吹奏的樂器） wind musical instrument 3 （形狀似管的電器件） valve;...
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 管道 : [工業] pipeline; channel; tunnel; piping; canalis; pipe run; duct; conduit; conduit pipe; ducting...
  1. The method of close water test has been used for a long time, so richer experience has been achieved. however, it not only takes pains and time, but also consumes raw materials during the close water test because of miscellaneous working procedures such as bricklaying in the two ends of pipe, water - repellent layer plastering, maintaining and water offletting, brick - block backouting after the test, especially in the region short of water and some drainage pipe with prop - pipe construction. in order to satisfy the fast development of municipal construction, new detection methods should be developed

    閉水試驗方法因其應用時間較長，目前已積累了較豐富的經驗，但在閉水試驗時，管道兩端砌築磚堵、抹防水層、養護、灌水浸泡，以及試驗后的放水、磚堵拆除等繁雜工序，不僅費工、費時，而且消耗原材料，尤其是在缺水的地區以及頂管施工的無壓管道，這些矛盾更加突出；因此，為滿足迅速發展的市政建設需要，有必要探索新的檢測方法，閉氣試驗就是其中一種，但是閉氣試驗目前還不完善，有待于進一步深入研究。
  2. And results are : ( 1 ) analyze the force and distortion on pipeline under collapse and gulch in theory. on the base of beam deformation, analyze the bending moment and deformation of pipeline with frusta and without frusta. calculate a true problem, contrast the differences between pipeline with frusta and one without frusta, draw some conclusions

    得到的主要結果為： （ 1 ）基於彈性地基理論和彈性梁的撓曲線理論，給出了管道在固定墩（相當跨越河溝情況）和無固定墩（相當坍塌和沖溝情況）的變形微分方程，並分析了當量軸力為拉力或壓力時管道的變形和受力情況。
  3. Air distribution piping systems almost invariably use soft copper tubing with soldered fittings.

    壓縮空氣的分配管道系統無例外地都是用焊接管件的銅管。
  4. Use zero water pressure opening of valve core without any medium pressure, suitable for the sewage - draining control system of pipelines, water tank etc. containers and the automatic water falling of a drinker. this valve can be fitted with another more than 60 kinds of valve casings, resulting in a flexible installation

    採用零水壓開啟閥芯，開啟無須介質的壓力，適用於管道水箱等其他容器的排污控制系統飲水機的自動下水等，該閥另有六十余種閥體與之匹配，安裝靈活。
  5. The second chapter explains the character of mfl data by introducing the principle of pipeline mfl inspection and the structure of mfl detector, and then brings forward the diagnostically lossless compression request by combine discuss the analyzing method of inspection results

    第二章通過對管道漏磁檢測原理和檢測器結構的介紹，說明漏磁檢測數據的特徵並結合檢測結果的分析方法提出對管道漏磁檢測數據的檢測無損壓縮要求。
  6. The gas feed automation system, which includes field instruments, gas feed controller, wireless remote supervising system, and so on, will realize following functions : gas flow measurement, gas pressure and temperature measurement, gas flow control, gas pressure regulation, intermittent gas lift, wireless remote monitoring, and etc. this paper will discuss the following content in detail : first part is introduction

    該自控系統包括現場變送儀表、氣舉配氣控制器和無線遠程監控等，主要完成天然氣流量計量、氣體壓力溫度檢測、天然氣流量控制、管道干壓調節、間歇氣舉以及遠程監控等功能。本文將會重點介紹以下內容：首先是概述部分，簡要介紹了氣舉採油技術和氣舉配氣系統的地位和現存問題，並介紹了配氣自控系統的主要性能和優點。
  7. Standard specification for asbestos - cement nonpressure sewer pipe

    石棉水泥無壓污水管道的標準規范
  8. Thermoplastics piping systems. non - end - load - bearing elastomeric sealing ring type joints between pressure pipes and moulded fittings. test method for leakightness under internal hydrostatic pressure without end thrust

    熱塑料管道系統.壓力管和模塑配件的合成橡膠密封環型接合.在無軸向推力時內部流體靜力學壓力下密封性試驗方法
  9. According to the characteristics of pipeline leak signals that the influence degrees of burst interference noises are various in each local area, this paper optimizes the uniform quantization to be adaptable, and proposes an adaptive quantization

    根據管道泄漏信號局部區域受到突發干擾噪聲影響程度的不同，本文進一步優化均勻量化器，將其改進為自適應量化器，提出了基於突發干擾噪聲的自適應量化近無損壓縮演算法。
  10. So this thesis mainly discussed how to get micro - leaking - signal from pipeline and how to transmit these signal from collecting place to base - station with wireless way, or, how to store and transfer these signal from memory to computer

    本文重點研究了如何提取和分析壓力管道的泄漏信號，以及對提取系統的軟硬體實現和泄漏信號分析法的提出。硬體有無線採集和有線存儲兩套小型化數據採集系統。
  11. Plastics piping systems for renovation of underground non - pressure drainage and sewerage networks - part 2 : lining with continuous pipes

    地下無壓排水和污水管線翻新用塑料管道系統.第2部分:連接管道用內襯
  12. Pressureless discharge of rinsing water to water drain

    洗水無壓排放到廢水排放管道。
  13. To avoid the pollution of groundwater resource and adjacent environment caused by drainage pipe leakage, current criterion in our country stipulates that there must be a pressurization test before drainage pipes are used

    為防止污水管道滲漏而導致污水外滲污染地下水資源和周邊的環境，我國現行的規范規定，無壓管道在竣工交付使用之前必須進行管道的嚴密性試驗。
  14. Two commonly used methods of pressurization test of pipelines with free - surface in best common are close water test and close gas test

    閉水試驗和閉氣試驗是無壓管道進行嚴密性試驗最常採用的兩種試驗方法。
  15. Specification for solvent cements for transition joints between acrylonitrile - butadiene - styrene and poly vinyl chloride non - pressure piping components

    丙烯腈-丁二烯-苯乙烯共聚物和聚氯乙烯無壓管道系統構件之間轉換接頭用液狀粘固劑規范
  16. Standard specification for solvent cements for transition joints between acrylonitrile - butadiene - styrene and poly vinyl chloride non - pressure piping components

    丙烯腈-丁二烯-苯乙烯共聚物和聚氯乙烯無壓管道系統構件之間轉換接頭用液態粘結劑的標準規范
  17. Standard guide for installing asbestos - cement nonpressure pipe

    石棉水泥無壓管道的安裝標準指南
  18. But the low pressure pipeline technique is not widely used in north china, the main reasons are the irrigation are is more larger the north china, and the low pressure pipeline irrigation system is very large, the corresponding pipe, pipefitting is very lack, all these make the use of low pressure irrigation in south china very little, and now there is still not the standard of low pressure pipeline irrigation for south china

    由於南方地區灌區面積大，管灌系統規模大，與其相配套的大口徑管材、管件規格少，配套建築物較多，灌區類型多樣，壓力變化范圍大，技術難度高，基層工程技術人員了解和掌握不充分，至今尚無適合南方地區低壓管道輸水灌溉工程設計的規范，這些是影響南方低壓管道輸水灌溉技術發展的因素。
  19. In this paper, hydromechanical theories, three - dimensional unsteady turbulent finite volume model and pheonics software are adopted to simulate the pressure field and the velocity field of the drainage pipe in allusion to the actuality of the necessary pressurization test before being used. then analyze the computational results and figure out the variational rules of pressure and velocity with different leakage location while close water test or close gas test is applied

    本文針對無壓管道交付使用前必須進行嚴密性試驗的現狀，運用流體力學基本理論和三維非穩態紊流的有限體積模型，採用pheonics計算軟體，數值模擬不同管徑下不同漏水點的滲漏情況，模擬閉水和閉氣試驗時管道內部的壓強場和速度場的變化，並分析計算結果，從中找出其變化規律。
  20. We have further knowledge in the leakage rule according to the numerical simulation on close water test and close gas test of pipes with free - surface, which will provide useful reference for close water test and close gas test of pipes with free - surface in the future

    本文利通過對無壓管道閉氣和閉水試驗的數值模擬，對閉氣和閉水試驗時的滲漏規律有了進一步的認識，為今後無壓管道的閉水和閉氣試驗提供一定的參考。
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