氣體動壓強 的英文怎麼說

中文拼音 [dòngqiáng]
氣體動壓強 英文
gas-kinetic pressure
  • : 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...
  • : 體構詞成分。
  • : 壓構詞成分。
  • : 強形容詞(強硬不屈;固執) stubborn; unyielding
  • 氣體 : gas; gaseous fluid
  1. The author wish this study win be used in the development of numerical control dividing lathe that can divide into groups of the size for precise measure of thickness of ompressor carboy hatch soft shim the system of pneumatic measure applied widely for component measurement in produce process in factory. the author 100kup a large number related documents over about one and half year for research and went to factory and related research institute for investigating

    並希望將這一研究結果應用於對「縮機缸蓋軟墊片」厚度尺寸精密測量分組的數控分選機的研製。測量系統以其測量倍率高、測量精度高、測量力小( 0 . 05 1n ) 、對被測工件有自潔作用、測量精度保持性好、抗干擾能力等優點而被廣泛應用於工廠生產過程中的零件檢測。
  2. In forced convection the movement of the fluid or gas is caused by an external agent which gives rise to pressure differences.

    制對流中,液的運是產生力差的某種外營力造成的。
  3. By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve

    通過對數值模擬得出的單閥和雙閥塔板的干板降及流場速度分佈分析對比后發現,固定閥周圍流場存在較的湍,閥側孔與塔板壁面區域以及閥的上方空間存在明顯的渦流區,使穿閥后的行為變得復雜,並對液傳質過程產生重大影響;模擬結果表明,為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響,通過折邊來改變路是非常有效的,模擬值與實驗值基本得到吻合。
  4. Pressure inequalities generate gas motion.

    的不相等導致
  5. 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,採用真空熱粉末冶金燒結工藝制備了含sic顆粒積分數分別為5 、 15和25的sic顆粒增鋁基復合材料,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,以及材料增和斷裂機理,並利用hopkinson高速桿沖擊實驗系統對其從靜態到態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的縮破壞響應進行了研究,分析了不同積分數sic _ p al復合材料高應變率縮載荷下,材料的變形和微觀損傷機理,以及利用高速沖擊空炮測定了改復合材料制備剃度復合板的穿透性能。
  6. In these two studies by the same japanese group ( 7, 8 ), the enhanced pressor effects of ephedrine and phenylephrine following an alpha 2 agonist ( clonidine ) were no different between awake and anesthetized ( enflurane and nitrous oxide in oxygen ) patients

    在這兩個研究中[ 7 , 8 ] ,麻黃素和苯腎上腺素在使用- 2受劑(可樂定)后的升效果增在清醒和麻醉(安氟醚和笑)病人沒有差別。
  7. 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量估算方法,為導流洞排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,盡管水流螺旋運引起的離心力可以確保井壁保持正,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。
  8. Liupanshui beer co. ltd. has retrieved from bankruptcy to rapid development depending on technical innovation and improvement as follows : strengthening the control of saccharifying boiling intensity, the age of fermenting beer, filtration time, bottle washing of remnant alkali, sterilization intensity, and pressure prepare in nitrogen filling etc. ; making full play of employee ' s initiative and installing new equipments ; making control of filtration beginning time and keeping stable beer storage time at 0 ; settling the problem of beer species by high concentration dilution method ; applying low - pressure boiling system to increase boiling intensity, shorten boiling time, and increase beer non - biologic stability ; and making innovation of fermentation techniques to increase beer quality etc

    摘要六盤水啤酒有限責任公司依靠科技創新、走科技進步之路,通過加對生產過程的糖化煮沸度、發酵酒齡、開濾時間、洗瓶殘堿、殺菌度、灌裝氮等方面的控制;發揮人的主觀能性,實施增加硬設施;控制開濾時間,穩定控制0貯酒時間;利用高濃稀釋解決品種矛盾;採用低煮沸系統,提高煮沸度、縮短煮沸時間,提高啤酒的非生物穩定性;改進發酵工藝,提高產品質量等措施,使企業實現了發展。
  9. It firstly analyzes the gasification principle and process of coal in constant pressure moving - bed gas producer and the research on gasification process and control of technical condition proves that it is the most effective way to improve the quality of coal for gasification and quality of hot coal gas, enhance the gasification intensity and gasification efficiency of gas producer

    首先,分析了煤在常床式煤發生爐內的化原理和工藝過程。對化過程工藝條件控制的研究表明,提高化用煤的品質,是改善熱煤質量,提高煤發生爐的度和化效率的最有效途徑,並對化用煤的指標,提出了具的要求。
  10. 2. using cfd software - fluent, many flow states were been simulated. these states are the influence of nozzle structure with the flow, the distributing characteristic of inside flow, the influence of cold gas flow and outside flow with the work of the nozzle, the change of inside pressure load when the nozzle regulates

    2 、藉助cfd軟fluent ,計算出可調噴管本身結構對流的影響、可調噴管流場的參數分佈、冷卻流對噴管流的影響、外流對可調噴管內流的影響、噴管的冷流流場和噴管調節過程中內壁面的載荷變化。
  11. In this experiment, the quantity change of partial pressure of main elements is given by longtime dynamic measuring of metal dewar exhausting with quadrupole mass spectrometer ( qms ), the results show that exhausting technology influences outgassing of dewar vacuum vessel, this paper gives the theory, equipment, method, data and disturb fators, we also give primary investigation how the main gases affect the vacuum integrity of dewar and point out the possible ways which can be applied to present technology

    摘要實驗研究用四極質譜儀對金屬杜瓦排進行長期態監測,跟蹤內部主要成分的分的大小變化,得出排工藝對杜瓦內表面放量大小的影響,介紹了實驗的原理、裝置、方法、數據和干擾因素,對影響杜瓦真空度的主要成分進行了初步研究,提出改進杜瓦排工藝的可能方向,對工藝處理具有實際意義。
  12. The physical characteristic of forming plasma within resonant cavity was revealed, i. e. the forming mechanism is a switching process from the ionization caused by strong electric field at the initial stage of mpt ' s start to another ionization caused by joule ' s heat at the stage of mpt ' s steady work. the main influencing factors of mpt ' s steady work were studied. anther pointed out the matching between pressure in resonant cavity and microwave power is the determinant factor to the plasma whether stabilization or extinguishing

    分析了mpt諧振腔內微波能量的轉換過程,揭示了其內等離子的形成是由mpt啟初期的電場電離形成放電區過渡到穩定工作期的熱電離形成穩態等離子區這一物理本質;研究了影響mpt穩定工作的主要因素,指出微波有效功率與諧振腔內的匹配是維持等離子穩定、避免等離子消失、放電區熄滅的關鍵因素。
  13. The stress of the sliding vane, the axe and the valve are analyzed through ansys, finite element analysis software. it is certain that this paper is of some reference value in designing such kind of sliding vane compressor with a spliced rotary cylinder

    接著分析了轉缸鉸接滑片縮機中的滑片和轉缸的運規律,並對滑片進行了受力分析,利用有限元分析軟ansys分析了滑片、轉子和排閥片的度。
  14. Guards against the bedsore to be mad the type mattress surface openshas very many pores, spouts the gas using the mattress to carry offthe human body in vitro moisture content, reduces the humidity, thusthe dry skin, and the replacement foul air, the suppression bacteriumgrows, as well as will get sick the human body pressure to disperse onthe mattress the principle, will effectively come effectively toprevent the bedsore the production, will be specially for reduces thelong - term bed patient ' s worry and the pain, for will reduce nursingstaff ' s labor intensity to make

    防褥瘡式床墊表面開有很多微孔,利用床墊噴出的帶走人外水分,降低濕度,從而乾燥皮膚,並置換污濁空,抑制細菌生長,以及將病人分散在床墊上的原理,來有效的防止褥瘡的產生,是專為減輕長期臥床病人的煩惱和痛苦,為減輕護理人員的勞度而製造的。
  15. The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate

    採用pld技術進行了碳氮化合物薄膜沉積,得到了含氮量為21at的cn薄膜;研究了襯底溫度和反應對薄膜結構特性的影響,給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶的原因;引入脈沖輝光放電等離子pld的相反應,給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑;應用pe - cvd技術以ch _ 4 + n _ 2為反應並引入輔助h _ 2 ,得到了含n量為56at的晶態cn薄膜;探討了cn薄膜形貌、成分、晶結構、價鍵狀態等特性及其與和放電電流的關系,證明了- c _ 3n _ 4薄膜沉積為滿足力學平衡條件的各種反應過程的競爭結果;採用光學發射譜技術對cn薄膜生長過程進行了實時診斷,得到了實驗參量對等離子中活性粒子相對濃度和相反應過程的影響規律,給出了cn薄膜沉積的主要反應前驅物,揭示了cn薄膜特性和等離子內反應過程之間的聯系;採用高pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性,揭示了si原子對薄膜生長過程的影響,給出了si基表面碳氮薄膜的生長模式;在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積,證明了通過控制材料表面力學條件可以改變碳氮薄膜結構特性,並可顯著提高晶態碳氮材料的生長速率。
  16. 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

    建立了多相流基本方程,闡述了水流脈基本理論,分析了機理;根據試驗數據,探討了水、、沙三相流特性,初步得到了高速含沙摻水流脈的幅值特性與頻域特性;提出了脈度系數、脈極差系數與含沙量、摻濃度的關系。
  17. The optimized experimental conditions are determined and the densities of some elements in the mental alloy standard samples are measured. the experimental results shows that the spectral intensity of the plasma enhances significantly with the increase of the operating voltage and the power density. ( 1 ) to the steel ally sample, the emission intensities of the spectra reach to the maximum values when the laser operating voltage is 1600v and the argon pressure is 600 torr. under the same pressure, the spectral intensity of the plasma in the argon atmosphere is stronger than that in the air. when the argon pressure is 320 to rr, the signal - noise ration is about 5 times than that which the argon pressure is 700 torr, but the temperature of plasma is less about 1000k

    ( 1 )對于光譜標鋼準樣品,當激光器工作電為1600v 、氬力為600乇時,譜線度達到最大,並且在相同下,氬中的等離子與空中的等離子相比,其輻射度明顯增;氬力為320乇時的譜線信背比約為600乇條件下的5倍,而等離子溫度卻下降了近1000k ,即等離子溫度隨環境的增大而增大;當激光束的焦斑在樣品表面上下移時,激光誘導量、等離子的激發溫度、譜線度都呈不對稱性分佈,其最大值對應的焦斑位置都位於樣品表面之下0 . 4mm左右。
  18. Membrane distillation is an important branch of membrane separation technology which employees a hydrophobic microporous membrane for the separation process. during md process, feed contacts with one side of membrane, after water evaporates on hot side, vapor transfers to cold side under pressure drive, where vapor is condensed on cooling wall and then collected or removed

    膜蒸餾技術是膜分離技術中的一個重要分支,它是指利用一疏水性的多孔膜,膜熱側與待處理液直接接觸,待處理溶液中的水在膜熱側汽化后,差的推下,通過膜孔傳遞到膜冷側,冷凝后收集或除去的一種分離技術。
  19. The design and research work on the inlet turning tube had been carried out mainly based on the experiment results and working experience. with the development of computational fluid mechanics ( cfd ), it is quilt possible to simulate the flow inside the inlet turning tube accurately and get a better understanding of the flow phenomena in the flow field to guide the design, in this paper, detained simulations of the flow fields inside two different compressor inlet turning tubes have been presented

    過去國內對它的設計和研究主要藉助于經驗和利用實驗手段來進行,本論文使用先進的三維計算技術,藉助功能大的流場計算軟,對機進彎管內部流情況進行了詳細和準確的數值模擬,為機進彎管的優化設計提供更為準確的理論依據及指導原則。
  20. The neutral gas pressure is smaller where electric fields is stronger, which is independent of the instantanious electric polarity of the electrode and cause gas flow from high pressure region to low pressure region. so flow can be accelerated if electric field is properly adjusted, which is the mechanism of the active flow control

    越大的區域反而越低,而與瞬間電極的極性無關,導致了從高區到低區的流,因此只要適當改變電場的分佈就可以使產生加速,這就等離子控制的加速機理。
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