氣壓強度試驗 的英文怎麼說
中文拼音 [qìyāqiángdùshìyàn]
氣壓強度試驗
英文
air pressure test for strength- 氣 : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
- 壓 : 壓構詞成分。
- 強 : 強形容詞(強硬不屈;固執) stubborn; unyielding
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 氣壓 : [氣象學] pressure; atmospheric pressure; barometric pressure; gas pressure; air pressure
- 試驗 : trial; experiment; test
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The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed
文中利用齒墩設施實現附加射流,對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗,分析研究了中低佛勞德數條件下,齒墩墩頭的動水壓強及空化特性,齒墩設施與消力池聯合應用時的流態特性,消力池的水力計算,消能量的估算及其各種影響因素,消能機理和效果,消力池內的流速、壓強特性,摻氣濃度分佈等水力學問題,並提出了實現附加射流齒墩設施的水力設計方法和步驟。Energy consume, electric strength, insulation resistance, ground conductivity, leakage current, microwave leakage, power input, normal temperature, humidity treatment, glow wire, horizontal flame, vertical flame, tracking, ball pressure, rainproof, water splash, dustproof, salt fog, endurance, motor load test, cord flexing, cord pulling, pull & torque test, lamp replacement, construction check etc
能耗、電氣強度、絕緣電阻、接地連續性、泄漏電流、微波泄漏、功率、溫升、濕熱試驗、灼熱絲、水平燃燒、垂直燃燒、漏電起痕、球壓試驗、防雨淋、防濺水、粉塵、鹽霧、耐久性(壽命)試驗、電機負載試驗、電源線彎折、電源線提拉、拉扭力測試、燈頭互換性、安全結構檢查等。In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine
用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌:用xrd進行原料物相分析,及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度;用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性;用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化;用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試;採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定;用萊次偏光顯微鏡( pm )測試固體潤滑劑的硬度;用材料試驗機測試固體潤滑劑的抗壓強度等。Based on the induction phenomenon caused in gas hydrate formation, the influential rules of its gas entrance mode, temperature, pressure, water resources and nozzle on the induction time are analyzed by means of experimental study on the induction time of gas hydrate formation obtained by water spray and enhancement
摘要以氣體水合物形成過程中的誘導現象為基礎,通過對噴霧強化方式制取天然氣水合物的誘導時間進行試驗研究,考察分析了系統進氣方式、溫度、壓力、水源及噴嘴等因素對誘導時間的影響規律。Test method for dielectric breakdown voltage and dielectric strength of electrical insulating materials under direct - voltage stress
直流電壓應力下電氣絕緣材料的介電擊穿電壓和介電強度的試驗方法The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material
本文的主要工作和結論如下:在人工氣候室內,根據不同覆冰絕緣子正、負極性下的閃絡試驗結果,得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓;正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應;覆冰較少時,合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法,對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明,直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低,且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。This machine is fit for the testing use of water pressure intension for highpressure vase as oxygen carbon dioxide, nitrogen, hydrogen, etc., with for functions of loading and unloading valve, water pressure intension testing. auto overturn water pulling, pressure tested under free condition, advanced at home, and is the favorite equipment for steel vase testing stationgs and manufacturers
本產品適用於高壓氣瓶(氧氣、二氧化碳、氮氣、氫氣等, )作水壓強度試驗,具有裝卸瓶閥、水壓強度試驗,自動翻轉倒水,四大功能,在只有狀態下試壓,是目前國內較為先進的高壓氣瓶試壓裝置,是各鋼瓶檢測站、製造廠理想設備。The fundamental theory and equations for the pressure fluctuation are described and the wall pressure fluctuation is measured. based on the experiment data, the characteristics of pressure fluctuations are analyzed in the three - phase flow of water, air and sand. the effects of air concentration and sediment content on the amplitude and frequency of pressure fluctuations are discussed
建立了多相流壓強脈動基本方程,闡述了水流脈動壓強基本理論,分析了壓強脈動機理;根據試驗數據,探討了水、氣、沙三相流體的壓強脈動特性,初步得到了高速含沙摻氣水流脈動壓強的幅值特性與頻域特性;提出了脈動壓強強度系數、脈動壓強極差系數與含沙量、摻氣濃度的關系。Then numerical experiments on forcing dissipation and heating response of dipole ( unipole ) are carried out using global spectral model of quasi - geostrophic barotropic vorticity equation. for every experiment model integration is run for 90 days on the condition of three waves quasi - resonance. the results are given as follows : ( 1 ) under the effects of basic flow intensity and dipole ( unipole ) forcing source, there exist strong interaction among the three planetary waves, and there also exist quasi - two - week and intra - seasonal oscillation of the three planetary waves
然後,用數值試驗的方法,應用強迫耗散準地轉正壓渦度方程的全球譜模式,並在方程中考慮了偶(單)極子的熱力強迫作用,在三個行星波準共振的條件下,模式共積分90d ,得出: ( 1 )在基本氣流強度和偶(單)極強迫熱源的共同作用下,三個行星波之間存在很強的波?波相互作用,且波動振蕩呈現準雙周和季節內振蕩。Abstract : in experimental conditions, simulating reducing atmosphere in blast furnace, the samples of al2o3 - c brick is heated at high temperature. the microscopic structure of al2o3 - c brick is observed by scanning electric telescope before and after heating and compressive strength and rupture strength are measured. on the base of them, the reason resulting in the changes is analyzed
文摘:在實驗室條件下模擬高爐還原氣氛高溫處理鋁碳磚試樣,觀察處理前、后鋁碳磚的顯微組織形貌的變化,並測定其抗壓、抗折強度,分析引起這種組織變化的原因The pore air pressure gradually goes up with the developing of axial strain in the process of the dynamic torsional shear test of loess, but the pore water pressure hold the line or goes up a little in the last. the stress - strain dynamic constitutive relationship of intact loess and man - made loess show the hyperbolic model. there are some remarkable differences of strength and strain between unsaturated loess and saturated loess
研究結果表明:非飽和黃土在動力扭剪試驗過程中,隨著軸向變形的發展,孔隙氣壓力逐漸上升,而孔隙水壓力則基本保持不變或後期略有升高;原狀黃土和重塑黃土的應力應變本構關系呈雙曲線型;非飽和黃土和飽和黃土的強度及變形特性存在明顯差異;進而分析了含水量、固結應力和固結應力比對黃土動力特性的影響本文最後對非飽和土的有效應力計算公式進行了討論。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。Experiments about the influence of aeration on the dynamic pressure on the original riverbed show, aeration will obviously increase the fluctuating pressure on the original riverbed. 3. experiments about the influence of aeration on the dynamic pressure on the bottom of scour hole show, the influence of aeration on the dynamic pressure on the bottom of scour hole is ruleless
試驗研究了摻氣對沖坑底部脈動壓強的影響,結果表明:無論沖坑深度為多大,坑底脈動壓強均方根值沿程分佈與不摻氣時相比,沒有確定性的規律,射流摻氣后,沖坑底部的脈動壓強有時增加,有時反而減小。X - ray diffraction analysis and density analysis and crystal structure analysis have been adopted to analyze the grid ’ s rough. through large numbers of experiments and practice, technological condition of gas discharge and depositional temperature and depositional pressure and depositional time of all kinds of the pyrolytic grid ’ s roughs has been gained. now we can deposit small and big grid ’ s roughs successfully
通過大量試驗研究和生產實踐,摸索並優化出不同品種規格的石墨柵極毛坯沉積的氣體流量、沉積溫度、沉積壓強、沉積時間等參數,能夠順利地沉積出性能優良的小型、大型的各類品種的石墨柵極毛坯,滿足了公司大功率及超大功率電子管的電參數要求,保證了新產品的成功開發。10. 02 test method for dielectric breakdown voltage and dielectric strength of solid electrical insulating materials using impulse waves
用沖擊波測定電氣固體絕緣材料的電介質擊穿電壓和介電強度的試驗方法The existing results about scour hole was summarized. experiments was made about the influence of aeration on scour, the dynamic pressure on the original riverbed and the scouring hole bottom, and the influence of aeration on the dynamic pressure and the velocity of submerged jet. scour was simulated by numerical model
在總結前人研究成果的基礎上,試驗研究了摻氣對基巖沖刷破壞的影響;基巖沖刷過程中沖坑底部脈動壓強隨沖坑深度的增加而變化的特性;摻氣對沖坑未形成前河床底部及基巖沖刷坑底部脈動壓強的影響;摻氣對射流軸線流速變化的影響等。A critical temperature was found, at which the strength of pellets is severely dropped during the oxidizing roasting
使用可調氣氛高溫抗壓試驗機研究了相應球團礦在氧化焙燒過程中的強度變化規律。The second part is mainly the experiment, in which the influences of the dosage of the steel fiber and the conserve time on the compressive strength, the flexural strength and the splitting tensile strength of the sfrc and the shrinkage and the cohesional strenghth of the sfrc are studied
第二部分則著重於試驗,主要研究不同氣溫下鋼纖維摻量和養護齡期對鋼纖維混凝土的抗壓強度、抗折強度和劈裂抗拉強度的影響和鋼纖維混凝土的收縮及其粘結。分享友人