pressure in vacuum system 中文意思是什麼

pressure in vacuum system 解釋
真空系統壓強
  • pressure : n 1 壓；按；擠；榨。2 【物理學】壓力，壓強；大氣壓力；電壓。3 精神壓力，政治[經濟、輿論等]壓力。4...
  • in : adv 1 朝里，向內，在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  • vacuum : n （pl vacuums vac ua ）1 真空；空處，空虛，空白。2 〈美口〉吸塵器（＝ vacuum cleaner）。vi vt 〈...
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象，採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態（應變率為3 . 3 10 ~ （ - 3 ） s ~ （ - 1 ） 5 . 2 10 ~ 3s ~ （ - 1 ） ）的壓縮破壞響應進行了研究，分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下，材料的變形和微觀損傷機理，以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  2. With the software of simulating low - pressure vacuum carburizing process and computer control system, carburizing process parameters are controlled accurately. the minimum error of carburizing layer depth, the optimal distribution of carbon concentration in carburizing layer and the minimum distortion are insured

    均勻布置鼠籠狀加熱元件和多組滲碳氣氛噴嘴，並對滲碳參數進行精確控制，可保證零件最小的滲層深度誤差最佳的滲層碳濃度分佈。
  3. Exemoo has developed a reputation for excellence in every area of industrial furnace design, construction, and installation. each job whether a small re - brick or the design and construction of a completely new system is individually tailored to the customers specific needs. our engineers are involved in every step of the process and our crews are specially trained to inspect all jobs to ensure the highest level of quality control. exemoo has worked with our french joint venture partner to bring their advanced technology to the products made in our china facility. these products include : double chamber gas or oil quenching vacuum furnace, low pressure vacuum nitriding furnace, high pressure sintering furnace, etc. we have gained iso9001 accreditation with registration number 0205q15647r0s

    易西姆公司在吸收法國技術基礎上，在中國實現國際先進的不同類型的真空爐設計與製造，以向中國客戶提供性價比優性能可靠的各種真空爐，並且致力於各種真空爐的銷售設計生產新工藝與新技術的研發，以及自動化生產線設備與工程的總成，在低壓真空滲碳爐真空高壓氣淬爐真空壓力燒結爐，低壓真空滲氮爐，以及真空爐自動化生產線方面，在國內乃至國際上都處于領先地位。
  4. Liquid helium cryocondensation pump has great advantages in large pumping speed, working pressure range and high ultimate pressure, etc. it ' s more excellent than any other vacuum pump. it can meet the vacuum requirement of nbi and can improve the transportation efficiency. the development of neutral beam injection ( nbi ) system in the world, the structure of nbi system used on the ht - 7 device of asipp was introduced in the thesis

    液氦低溫冷凝泵是利用低溫面對氣體有強吸附能力的原理，實現抽氣的真空獲得設備，它具有抽速大、工作壓強范圍寬、極限真空度高等一系列優點，是普通真空設備無法比擬的，作為中性束注入系統的主抽泵，它能滿足中性束注入系統對大抽速的要求，提高中性束的傳輸效率。
  5. Much works has been distributed to the development of a vacuum system to simulate the outer space and a measurement system to test the arcjet performance. ignition experiments in various operational modes have been done with argon as propellant. macroscopical working parameters including thrust, mass flow rate, voltage, current, inlet pressure and vacuity are obtained by the test measurement system and actual performance parameters including specific impulse, thrust efficiency, ratio of thrust and power and ratio of power and mass flow are calculated

    以氬氣作為推進劑，在不同工況下進行點火實驗，測量獲得了其工作推力、電弧電壓和電流、推進劑流率和弧室壓力等宏觀參數，得到了不同實驗條件下其工作的實際比沖、推力效率、推力/功率比以及比功率等性能參數，分析了推進劑質量流率、電弧功率、電弧加熱發動機電弧室結構尺寸等因素對其性能的影響，為數值模擬研究和實際的低功率電弧加熱發動機優化設計及研製提供了實驗基礎。
  6. Solid materials handling and pneumatic conveying system packaged machinery and its equipment and valves are mainly used for conveying, material unloading, dedusting, metering, mixing, packing units in the processing units of the solid materials including powder, particles, powder mixtures and flakes of abs, ps, pe, pp, pom, san, pet, pc, pta, pvc, bpa, sap, as and pmma in the trades of petroleum, chemical industries, chemical fiber, dye, pharmacy, food, electronic, paper making, natural gas, power, environmental protection, metallurgy and etc. it is applicable for various pneumatic conveying systems and gravity flow conveying systems under the conditions of diluted - phase, densed - phase, high pressure, low pressure and vacuum pressure

    固體物料處理和輸送系統成套機械及其專用設備、閥門主要應用於石油、化工、化纖、染料、醫藥、食品、電子、造紙、天然氣、電力、環保、冶金等領域中固體物料（含abs 、 ps 、 pe 、 pp 、 pom 、 san 、 pet 、 pc 、 pta 、 pvc 、 bpa 、 sap等粉沫、顆粒物料、粉粒混合物、片狀）生產加工過程中輸送、卸料、除塵、計量、混合、包裝等工段使用，能適用於稀相、密相、高壓、低壓、負壓各種氣力輸送系統和重力流輸送系統。
  7. For example, the condenser algorithm considered the trouble condition such as the leak of tube, fail of seal in vacuum system, the lower shaft sea - ting steam pressure, pollute of tube, the high water level of hot - well. the heater algorithm considered the trouble condition such as the leak, pollute of feed - water pipe and high water level of heater

    如凝汽器演算法考慮了銅管泄漏、真空系統密封不嚴、軸封蒸汽壓力低、銅管結垢污染、熱井水位過高等故障項目，加熱器演算法考慮了給水管道泄漏、給水管道污染、結垢、加熱器水位過高等故障項目。
  8. The flow passage of intermediate - pressure cylinder, as well as the condenser and the vacuum extraction system had also been retrofitted in 2004, the safety and economic behavior of said unit being further enhanced

    2004年又對7號機中壓缸通流部分及凝汽器、真空抽氣系統進行了改造，機組的安全性及經濟性均有了進一步提高。
  9. At the base of participating in the system design and debug of the dy - 500 hip - sinter low - pressure and vacuum sinter stove which is investigated by the zigong horniness - alloy ltd. this paper conclude the practice and work, according to the sense and the embed analysis, this paper including : aim at hip - sinter stove, analyse technics principle of the dewaxing, the vacuum sintering and the hot isostatic pressing by low pressure

    在參與自貢硬質合金有限責任公司研製的dy - 500型低壓真空燒結爐自動控制系統設計和調試的基礎上，本論文對實踐工作進行了總結與提高。根據現場經驗和深入分析，論文的主要內容有:針對低壓真空燒結爐，分析脫蠟、真空燒結、低壓熱等靜壓工藝原理，並論述了溫度、真空度、壓力三個主要因素對生產過程的影響。
  10. Application of plc in control system of vacuum pressure impregnation

    在真空壓力浸漬設備控制系統的應用
  11. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬，所採用的方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備，如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參數，通過實驗發現氬比氮工作更穩定
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