空腔壓力 的英文怎麼說
中文拼音 [kōngqiāngyālì]
空腔壓力
英文
cavity pre ure- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 腔 : 名詞1. (動物體內空的部分) cavity; chamber 2. (話) speech 3. (樂曲的調子) tune; pitch 4. (說話的腔調) accent; tone
- 壓 : 壓構詞成分。
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 空腔 : cavity空腔波導管 hollow pipe waveguide; 空腔磁控管 cavity magnetron; 空腔輻射器 [熱學] cavity rad...
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Pressure reducing and loss of water under sbloca at upper plenum of nuclear heating reactors
上空腔破口失水時的壓力衰減過程和失水量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。A novel low mechanical hysteretic ceramic capacitive pressure transducer has been made, by using of ceramic sealing technology ; integrate circuit ( ic ) technology and thick film plane fixing circuit technology. this transducer is made of a deformable ceramic diaphragm and a ceramic base plate, between which has an air cavum. a coaxial gold electrode was fired onto the diaphragm and the base plate
本文利用新型陶瓷技術、集成電路技術和厚膜平面安裝電路技術,採用零力學滯后的陶瓷和陶瓷密封材料進行設計製造了一種非充液乾式的電容式壓力傳感器,該壓力傳感器由較厚的陶瓷基體和較薄的陶瓷膜片構成,中間形成一空氣介質腔,在基座和膜片之間內置同軸的雙電極,組成兩個電容,當膜片承受壓力時發生位移,使電容量產生變化,經後置處理電路直接轉換為可輸出的直流電壓信號。High energy explosive was used to create a powerful and planar shock wave for accelerating flyer plate to high velocity, and high pressure was produced when flyer impacting with the sample. in the experiments, the impactor was brass and target was ofhc copper. by measuring the shock wave velocities of hr2 steel, high - density glass, aluminium alloy ( ly12 / lf6 ), magnesium - aluminium alloy ( mb2 ), polymethyl methacrylate and air, shock pressure and release isentrope of ofhc copper have been obtained
採用化爆加載、平面波發生器和空腔增壓技術,以黃銅為飛片,無氧銅為靶板,測量了抗氫鋼( hr2 ) 、重玻璃( sio _ 2 ) 、鋁合金( ly12 lf6 ) 、鎂鋁合金( mb2 ) 、有機玻璃( pmma ) 、空氣( air )和無氧銅( ofhccopper )各阻抗匹配樣品中的沖擊波速度,上述材料的hugoniot狀態參數c _ 0 、均為已知,由此確定了無氧銅的沖擊加載壓力和等熵卸載后的狀態,得到了等熵卸載路徑。And the relationship between the size of a cavity and the velocity of cross - flow gas was investigated
當錯流氣速或壓力梯度足夠大時移動床內將發生空腔,空腔大小隨錯流氣速的增大而增大。According to the experimental parameters of mpt, the main performance parameters of different propellants have been given by engineering performance computation under designed and working states, which has great importance for the experimental research and the future work. 2. for helium and argon, the factors which influence on mpt ' s vacuum steady work have been discussed such as the material of microwave tie - in, the distance between the probe and inner - conductor, the position of the inner - conductor, the input power of microwave, the mass flowrate of propellant and the vacuum pressure of environment, and the influence has been discussed of the microwave power and the mass flowrate of propellant on the pressure of the resonance cavity, thrust, reflected power and the temperature of the resonance cavity
論文的工作和新見解主要包括: 1在設計狀態和工作狀態下,根據mpt的實驗參數,對mpt使用不同工質時的性能進行了工程估算,這對mpt現階段的實驗研究和今後的研究有重要的指導意義; 2對于he 、 ar推進工質,討論微波的接頭材料、探針與內導體的間隙、內導體的位置、微波的輸入功率、工質的質量流量以及環境真空度對mpt真空啟動和穩定工作的影響,並探討微波的輸入功率、工質的質量流量對諧振腔壓強、推力、反射功率以及諧振腔溫度的影響; 3對于n _ 2 、 h _ 2 、 nh _ 3 、 h _ 2o推進工質,主要討論與he 、 ar工質不同的特性,並從長遠的眼光和工程應用的角度,認為其可行性不容置疑,潛在優勢不可忽略,是未來mpt應用的主流推進工質。At present, the main methods used in the study on chinese traditional medicine in gastrointestinal dynamics animal experiment are gastric emptying and small intestine motional rate mensuration, parent electric bridge strain gauge mensuration, gut hormone determination ( gas, mot, ss et ), immunohistochemical method, excised gastrointestinal smooth muscle dynamoscopy, intragastric and intestine pressure tracing
摘要中藥在胃腸動力動物基礎實驗研究,目前主要採用胃排空小腸推進率測定法、胃腸道腔外電橋式應力傳感器記錄法、胃腸激素測定(胃泌素、胃動素、生長抑素等) 、免疫組織化學方法、離體體胃腸平滑肌肌條動力測定、胃腸內壓描記法。In the paper, we put forward the combination of micro electronic technology, mems technology and vacuum micro electronic technology to develop a micro electronic pressure sensor with overload protection. the pressure sensor consists. of elastic anode membrane, isolation layer, vacuum micro cavity and field emission catelectrode tip array with overload protection. such pressure sensor has many advantages, such as high temperature stability, radiation resistance, fast response, high sensitivity, small volume, simple secondary instruments and bulk production
本文在重慶市科技「十五」項目的資助下,提出利用微電子技術、 mems技術和真空電子技術相結合的方法,研究一種帶過保護功能的真空微電子壓力傳感器,該壓力傳感器由帶過保護的場致發射陰極錐尖陣列、彈性陽極膜、絕緣層、真空微腔所構成,具有溫度穩定性好、抗輻射、快響應、高靈敏、體積小、二次儀表簡單、可批量生產等優點,具有廣泛的應用市場。Cavities for hydraulic fluid power cartridge valves - specification for two - port slip - in valves
液壓動力卡盤式閥的空腔.第1部分:二通鑲套滑動閥規范Geometric, kinetic, and lifetime analysis of anti - rotation mechanism with thrust ball - bearing is conducted, which is commonly employed in the scroll compressor of automotive air - conditioning system, and its wear during later stage ' s operation is also analysed quantitatively. it is pointed out that, in the case of having radial flexible mechanism, the wear between anti - rotation mechanism and scroll wrap exhibits synchronism and self - compensation. otherwise slight rotation would take place with that mechanism and orbiting scroll, resulting in asymmetric pressure within compression chamber pair and radial leakage
針對汽車空調渦旋壓縮機中最常見的防自轉機構滾珠防自轉止推軸承,進行了幾何、受力及壽命分析,並對其後期磨損加以定性的理論分析.指出在具有徑向柔性機構的情況下,該防自轉機構和渦旋盤齒的磨損具有同步性和自動補償性.在無徑向柔性機構的情況下,防自轉機構和渦旋盤會產生微自轉,可導致壓縮腔對壓力不對稱和產生徑向泄漏The pressure can now be controlled by the new linkam vc94 motorized valve. simply type a chamber pressure and observe the new stable vacuum in less than a minute
壓力可以由新研製的vc94自動閥控制。簡單的輸入腔室壓力,一分鐘之內可以看到新的穩定的真空。分享友人