研合密封 的英文怎麼說
中文拼音 [yángěmìfēng]
研合密封
英文
seal by precision fit-
With this purpose, this paper researches the state of dometic and overseas seal technique ; uses other enterprise ' s successful experiments for reference ; combines the factory set ' s structural property, technics characteristic and the different request of medium leakage degree ; considers the respective strongpoints of floating ring seal, conical floating seal, suction labyrinth seal, inflator labyrinth seal, mechanical seal, dry gas seal ; finds out the optimum, dependable seal techinique fiting for each set on the base of entire analysis on the centrifugal compressor. and in the end by putting this plan into practice the factory achieves localized reconstructs, reduces the production cost and fulfils the demands of secular safe use
本文在把握國內外離心壓縮機密封技術的發展狀況,借鑒其他企業的成功經驗基礎上,根據我廠機組結構特性、工藝特性、介質泄漏程度要求的不同,以及浮環密封、錐形浮環密封、抽充氣式迷宮密封、機械密封、干氣密封的各自特點,對離心壓縮機存在的密封問題進行了全面剖析,研究了適合每臺機組最佳、可靠的密封技術,實施了本地化技術改造,降低了生產成本,滿足了機組長期穩定運行的生產要求,取得了顯著的經濟效益和社會效益。Cyz - a self - priming centrifugal oil pump according to domestic and international to develop newest pump products that become after digesting, absorbing, improving about technical data by oneself, domestic blank, unique, extensively suitable for the oil depot, service station, oil ship, oil carrier, quay, oil truck, airport, send the petrol, kerosene, diesel oil, boat coal etc
型自吸式離心油泵是根據國內外有關技術資料經消化、吸收、改進后研製而成的最新泵類產品,國內空白獨一無二,該泵適用於石油行業、陸地油庫、油灌車的理想產品,並適合於作船底泵、消防泵和壓載泵及機器冷卻水循環等,分別輸送汽油、煤油、柴油、航煤等石油產品和海水、清水,介質溫度- 20 80 ,加輸送化工液體可改用耐腐蝕機械密封。According to achievements in research, using face - radial sealing structures can adapt to the developing trend of increasing rotary speed of cone bit to a certain extent in lubricating system of bearing seal, which is cramp to bit service life
本文的研究表明,在偉l ]約鉆頭壽命的軸承密封潤滑系統中,採用端面一徑向組合密封結構能夠在一定程度上適應牙輪鉆頭轉速提高的發展趨Through practical test and theoritical analysis, the paper describes the combined sealing types of centrifugal sealing and spiral sealing and designs the appropriate structural of oil seal
通過實驗研究和理論分析,論文對軸承箱兩端密封結構採用了離心密封和螺旋密封的組合密封方式,設計了相應的結構油封。Forged seat is stellited, ground and lapped to a mirror finish for maximum erosion resistance and long service life. it is seal - welded to the body
閥座採用鍛造鎢鉻鈷合金,並研磨和疊層成鏡面光潔度,抗蝕能力最強,延長了使用壽命。它是通過密封焊接到閥體上的。Seat rings are long to compensate for temperature fluctuations and are seal - welded. seating faces are hardfaced with stellite 6, ground and lapped to mirror finish
閥座環較長,並且是密封焊接的,能夠補償溫度波動。閥座面用鎢鉻鈷合金6硬化,研磨和層疊為鏡面光潔度。During the year 2005, italian gasket s. p. a. has managed an average of 2. 500 different compounds, carrying out all necessary tests, using high - tech technologies and highly sophisticated machines and equipments
2005年,義大利愛吉密封膠圈有限公司研製開發了2 , 500種不同的合成物,並運用純熟的技術與先進的設備使之全部完成了必要的相關測試。Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable
在研究疲勞過程中材料強度退化規律的基礎上,建立了一個強度退化模型.對其進行隨機化處理,得到控制強度退化過程的隨機微分方程.在一定假設條件下,獲得了剩餘強度概率密度函數的封閉解,並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明,本文的模型和方法是合理的Extensive bellows seal qualification testing has been performed in the research and development department to prove the bellows cycle life
在研究發展部進行的擴展波紋管密封合格測試證明波紋管的使用壽命。The development of dc control power system described in this paper is oriented to the baoji - chengdu electric railway - engineering project. a dc control power system, which is based on plc, hf switch rectifier and valve control seal battery is described in the paper
本文結合寶成復線電氣化工程,針對牽引變電所直流控制電源系統設計,闡述了一個基於plc控制器、高頻開關整流裝置和閥控式密封鉛酸蓄電池的直流屏的設計和產品研製。Research into measurement methods of compact bituminous mixture ' bulk density with wax - enveloped methods
蠟封法測定瀝青混合料壓實試件毛體積密度的研討Unlike inverters for general purpose, auxiliary inverters of subway vehicle have the characters of high power, wide range of high dc input voltage, entirely sealed electronic units and natural cooling. single pulse width modulation ( pwm ) technology is found to be optimal by comparing several different high power inverter technologies and is utilized in the 2 - channel staircase inverter discussed in this thesis
針對地鐵車輛輔助逆變電源的大功率、直流側輸入電壓高且變化范圍寬、輸出電壓穩定且波形質量高,電子部件全密封且要求自然冷卻的特點,分析比較了幾種大功率逆變器技術方案,選擇單邊脈寬調制階梯波合成逆變器為研究對象。This task will be foundation to develop a new type hydrostatic transmission piston pumps with high efficiency, long life, high pressure and high speed, which combined the item of nature science fund of zhejiang province, tribology study on sealing, hydrostatic support and piston on hydrostatic transmission piston pump. in this paper, a new design idea of the ball friction coupling based on hydrostatic bearing was given, and analysis was carried out to the static state properties and the dynamic properties of the oil - film of this friction pair
本課題是結合浙江省自然科學基金項目「靜壓傳動柱塞泵的密封、靜壓支承和柱塞的摩擦學研究」 ( 501073 ) ,為研發高效率、長壽命、高速、高壓靜壓傳動柱塞泵提供一定的理論基礎,著重研究了滑靴副和球鉸副的動靜態特性,提出了基於靜壓支承的球鉸副設計原理。Based on this theory, some experiments were done on two different hermetic cabins of two different man - made satellites. the results of the experiments give us the distribution of velocity. compare the results to the requested, and some suggestions can be given
在該理論的指導下,分別對兩個型號衛星密封艙的流動情況進行了實驗研究,實驗結果給出艙內的速度分佈情況,並與要求的速度分佈比較,由此對設計方案提出合理建議。This paper is a part of scientific research item " coupling of sound and cement bond logging of shipping hermetic cabin and the influence of multi - variable environment simulative hermetic cabin to body ". it mainly studied the measurement and control system of the simulative hermetic cabin to realize the adjustment of temperature, humidity, stress, oxygen, carbon dioxide, vibration and noise etc. and the parts of system design to the hermetic cabin and corresponding have carried on the technology explanation
本論文是「船舶密封艙內的聲固耦合和多變量環境對生理功能的影響」科研項目的子課題,主要對模擬密封艙的測控系統進行研究,以實現密封艙對溫度、濕度、壓力、氧氣濃度、 co _ 2濃度、振動和噪聲等變量的調節。Therefore developing the environment simulation hermetic cabin that the stress, temperature, humidity, oxygen, carbon dioxide, vibration and noise etc can be adjusted, research many kinds of synthetically influences of multi - variable environment to the physiology function of animal such as single variable and the stress, temperature, humidity, oxygen, vibration and noise etc and its harm, looks for out the regularity of its influence to reach and probably gives rise to the critical scope of damage to the human body physiology function, and then but the measure of environment variable which sought actively to prevent and control inside the hermetic cabin looks has the meaning very much
因此,研製壓力、溫度、濕度、含氧量、振動和噪聲等可調節的環境模擬密封艙,深入研究單一變量和壓力、溫度、濕度、含氧量、振動和噪聲等多種變量環境對動物的生理功能的綜合影響及其危害,找出其影響的規律性及可能對人體生理功能產生損害的臨界范圍,進而尋求有效的預防和控制密封艙內部的環境變量的措施則顯得非常有意義。How expounded testing and controlling seven variables such as temperature, humidity, stress, oxygen, carbon dioxide, vibration and noise etc. it is different from single variable environment simulate hermetic cabin before, this paper expounded the basic component of multi - variable environment simulation hermetic cabin and the work principle of measurement and control system to develop of it, it advanced the method of the preset checkout and the jointly control of multi - variable such as temperature, humidity, stress, oxygen, carbon dioxide, vibration and noise etc, it has been designed to realize computer measurement and control of environment simulate hermetic cabin
具體介紹了多變量環境模擬密封艙的基本組成和測控系統的工作原理,闡述了如何對所給定的溫度、濕度、壓力、氧氣濃度、 co _ 2濃度、振動和噪聲等七種變量進行檢測和控制。與以往單一變量環境模擬密封艙不同的是,本文對所研製的多變量環境模擬密封艙的基本組成和測控系統的工作原理進行了闡述,提出了對所給定的溫度、濕度、壓力、氧氣濃度、 co _ 2濃度、振動和噪聲等多種變量的檢測和聯合控制的方法,設計並實現了環境模擬密封艙的計算機測控。Highlights of the applied research in 1997 included the analysis of volatile organics with canister sampling, carbon speciation of air particulates, semi - volatile organic pollutants in water, and ultra - trace heavy metals in sea water with on - linechelation
年內,化驗所進行的研究計劃,包括引用密封金屬容器采樣法,分析空氣中揮發性的有機污染物;空氣粒子中含碳化合物的類別分析;水中半揮發性有機污染物的測試;以及應用流線螯合法,對海水中超微量重金屬進行定量分析。Experimental study on a new type of combined seal system
一種新型組合密封系統的實驗研究Analysis of pre - tightened stress has been made on pre - stress of low - pressure flange ' s spiral wound gasket, and through changing structure and controlling the manufacture process of gasket, some experiment studies have been made to let mechanical performance meet the needs of bolt load and let flange joint meet the needs of seal behavior
摘要分析了低壓管法蘭用纏繞式墊片的預緊應力,對通過墊片工藝結構的調整使其力學性能與緊固件的要求一致,從而使法蘭接頭符合操作的密封性要求進行了試驗研究。分享友人