降壓速度 的英文怎麼說

中文拼音 [jiàngyāsùdù]
降壓速度 英文
blowdown rate
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 壓 : 壓構詞成分。
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g

    如果通過激光冷卻能使原子速度降至很小甚至為零，光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處，其穩定程度取決于該處光壓力曲線負斜率的大小、對應勢能的勢阱深度以及動量擴散系數的大小，因此，如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。
  2. 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壓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強的湍動，閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區，使氣體穿閥后的行為變得復雜，並對氣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，通過折邊來改變氣體的氣路是非常有效的，模擬值與實驗值基本得到吻合。
  3. At first, in the process of experiments, it were measured that dry plate pressures drop and point pressures in the flow fields around the single fixed - valve and double fixed - valves under different velocities by using of pitot tube. after that point pressure was transformed to point velocity, two dimensions flow plane of flow fields around fixed - valve were plotted to observe the difference between of the fixed - valve tray with fold edges and the common rectangular fixed - valve tray on the distributions of flow fields and pressures, to provide comparisons and refer - rence for cfd simulation

    在實驗中，利用測速管等儀器對在不同速度下的單閥和雙閥固定閥周圍的流場進行了點壓力測量，然後把點壓力轉化為點速度后繪出固定閥周圍流場的二維流線圖，同時測定了塔板的干板壓降，來考察新型固定閥帶折邊后對流場分佈和壓降的影響，為隨后的數值模擬提供對比和依據。
  4. Finally, because high - speed power solenoid valve is one of the most important executive parts in the electronic control diesel engine and the performances of diesel engine are strongly related to the solenoid valve, the response performance of the solenoid valve is investigated. the response performance of the solenoid is influenced by many factors, such as driving voltage, electric driving unit etc. in order to have high excitation voltage and in low maintaining voltage, a high - low voltage electric driving unit is designed, and in order to make the solenoid valve close more rapidly, an active free - wheeling circuit and a bootstrapping circuit are designed in the electric driving unit, too. in the high - low electric driving unit, high voltage and low voltage are supplied by the dc - dc device and by the accumulator respectively

    高速強力電磁閥的響應性能除了與閥本身的結構和材料有關外，與驅動電壓、驅動電路的設計密切相關，本文通過分析，首先開發出一種高低壓驅動電路，高壓電源是山升壓式dc - dc原理獲取的，低壓由蓄電池本身提供，實現高壓強激和低壓維持的功能，電路中採用有源續流電柴汕機中卜軌知介系統的設訓及其七川j敝略的叭究路進行續流，加誣了電磁閥的關閉速度；採用自舉吐路，降低了場效應管對驅動電壓的要求。
  5. The result indicates that, in the course of the rainstorm in huoshan, there are obvious low - level jet of great intensity, infection of mesoscale shear line, enhancement of plus vorticity which increases intensity of convergence, improves ascending velocity and brings on precipitation, and quick enhancement of helicity which provides the basis to forecast, in addition, convergence of moisture flux and analyzed potential vorticity which reflects baroclinic convective instability sufficiently indicate the characteristics of the rainstorm

    結果表明：此次霍山暴雨發生前後，存在明顯的大強度低空急流，並受到中尺度切變線的影響，而且正渦度的加強引起了輻合加劇，提高了上升速度從而引起降水，同時暴雨發生前螺旋度的迅速增強，也為預報提供了根據，另外水汽通量的輻合以及分析位渦反映出的斜壓對流不穩定都充分體現了這次降水的特點。
  6. The application of a pressure difference across an injector does not cause an immediate velocity response of the liquid propellant.

    經過噴注器的壓降發生變化時並不馬上引起液體推進劑速度變化。
  7. Results the natural anthocyan pigments were relatively stable under the radiation of incandescent lamp, whereas their photic decomposition rates became faster under the radiation of high - pressured mercury lamp

    結果花青素類天然色素在白熾燈下較為穩定，而在高壓汞燈照射下，光降解速度明顯加快。
  8. The following results were found, i. e., the water ratio affects obviously the acoustic wave velocity of rock sample ; the wave velocity is higher in saturated rock samples than in unsaturated ones ; and it decreases gradually with the strain of samples during uniaxial compression ; and also with the lengthening holding time at 160 ; when heating the samples the acoustic wave velocity increases slightly in initial stage and comes to the peak value at 60, then decreases gradually with increasing temperature ; meantime, there is a certain temperature effect on rock samples size

    實驗發現含水率對波速影響比較大，飽和巖樣的聲波傳播速度高於不飽和巖樣的聲波傳播速度；人工預制裂紋對聲波傳播速度影響不大；單軸壓縮條件下，聲波傳播速度隨應變增加逐漸降低；在同一溫度（ 160 ）下，波速隨保溫時間的增加而逐漸降低；在對巖樣逐漸加熱情況下，初始加熱階段波速略有升高，當溫度達到60時，巖樣波速達到峰值，之後隨著溫度繼續升高其波速逐漸下降；波速隨溫度變化具有一定的尺寸效應。
  9. The influence of burning system on the properties and structure of the ceramic capacitors has been studied under the certain temperature system, the optimum sintering temperature of the ceramics was primarily decided by the content of bi2o3 ? 3tio2. the sintering temperature dropped with the adding of bi2o3 ? 3tio2. at the range of suitable sintering temperature, slow heating and low temperature sintering can obtain fine grain and dense structure. it results in the improving of the breakdown voltage for the middle - high voltage ceramic capacitors

    研究了燒成工藝制度對電容器陶瓷性能和結構的影響，結果表明：在一定的升溫保溫時間下，瓷料的最佳燒結溫度主要取決于組成中bi _ 2o _ 3 ? 3tio _ 2的含量， bi _ 2o _ 3 ? 3tio _ 2含量的增加將降低燒結溫度；在合理的燒結溫度范圍內，慢速升溫和低溫燒結將有利於得到細晶緻密結構，從而改善中高壓陶瓷電容器的耐壓強度。
  10. To avoid manual labor of chiseling - grossness, in the area of second - stage concrete construction, permanently non - removed metal molding boards nets are used as molding boards of first - stage concrete. substitution joints of reinforcing steel bars for traditional electric welding and usage of equipments for joints of reinforcing steel bars efficiently improve strength of junctions and rate of connecting reinforcing steel bars, and safety of construction and stability of quality, and greatly reduce cost. it ' s possible that three gorges project become top - ranking project in the world by study on systems engineering of high - strength concrete construction

    混凝土縫面處理採用高壓水流沖毛技術，大大提高了施工工效，減少了倉面污染；模板工程大量採用定型鋼模板施工技術，提高了壩體混凝土成型質量和工程進度；在二期混凝土施工區域，為免除人工鑿毛勞動強度，採用永久性免拆金屬模板網作為一期混凝土模板；鋼筋連接改進傳統的電焊連接方式，採用大量採用鋼筋接頭機械連接技術，有效提高了接頭強度和鋼筋連接速度，施工安全性大大加強，質量穩定性有效提高，經濟成本大大降低；三峽二期工程持續高強度混凝土施工系統工程的研究，使三峽工程成為名符其實的「世界一流工程」成為可能；三峽二期工程混凝土溫控綜合技術的應用，有效降低了壩體混凝土溫度的產生；混凝土表面處理及裂縫處理技術的應用，提高了建築物的整體性和耐久性。
  11. It can lead to not only quick wear and early failure of drill pipe but also the decrease of collapse resistance and burst resistance of casing string, which could cause casing collapse, casing deformation and casing leak, even well bore abandonment

    其直接後果是：鉆柱快速磨損，導致過早失效；套管磨損會降低套管柱的抗擠強度和抗內壓強度，造成套管柱擠毀、變形及泄漏，嚴重時造成全井報廢。
  12. Fictious simulation of high - speed roll casting has been carried out on the basis of the fact. the results showed that roll casting speed increase with the decrease of the thickness of the strip, and the peak value of rolling pressure decrease with the increase of roll casting speed and thickness of strip or the increase of roll casting zone. the designed parameters of mechanical capabilities of the roll caster should be raised when rolling pressure increase with roller diameter increase

    研究結果表明，減薄鑄軋板坯厚度可提高鑄軋速度；隨著鑄軋速度降低、鑄軋區增大與鑄軋坯厚度減薄，軋制壓力峰值增大；隨著鑄軋輥徑增大，軋制壓力增大，因此鑄軋機力能設計參數也要相應增大。
  13. The results show that the heat preservation coating and its proper thickness are favorable to the enhancement of filling mold speed of aluminium alloy ; the higher the pouring temperature is and the larger the ratio of hollow areas of vertical pouring is, the faster the speed of filling mold of aluminium alloy is ; if the mold is too thick or too thin, it may decrease the speed of filling mold ; the proper length and the area of vertical pouring are favorable to the enhancement of the speed of filling mold ; although negatire - pressure may improve filling the speed, too high negatire - pressure may enlarge the flaw in casting

    結果表明：保溫塗料及一定的塗層厚度有利於提高鋁液的充型速度；澆注溫度越高、直澆道空心面積率越大，鋁液充型速度越快；模樣厚度太厚或太薄，均會使鋁液充型速度降低；一定的直澆道長度及直澆道面積有利於提高鋁液的充型速度；施加負壓會使鋁液的充型速度大大提高，但負壓過大會增大鑄造缺陷。
  14. The pulsed fluid beds can overcome these problems, especially for uneasily fluidized and special materials, and it has lower pressure drop, small fluidization velocity, height and saving energy etc

    脈沖流化床乾燥器用來乾燥不易流化的物料和有特殊要求的物料，能有效克服上述弊端，且具有壓降低、流化速度小、床層高度小、節能等優點。
  15. The results of this experiment showed that pressure drop and flow velocity are related in quadratic function ; the effects of opening rate of distributor sad bed height on critical fluidization velocity are rather slight, while the effect of particle size on critical fluidization velocity is very obvious

    得出結論：分佈板壓降和流速成二次函數關系；以木屑為原料，分佈板開孔率和床層高度對臨界液化速度的影響不大，粒徑分佈對臨界流化速度隨粒徑的增大而增加。
  16. Objective : to investigate the effects and complications of hypertonic saline in the treatment of hyponatremia in patients with obstinate heart failure and to find out prophylactic and therapeutic measures against the complications. methods : to analyze the changes of electrolytes, urea nitrogen, serum creatinine, heart rate, blood pressure, cardiac function after the treatment of hyponatremia in patients with obstinate heart failure by 3 hypertonic saline. results : after the improvement of hyponatremia, cardiac function, the levels of electrolytes, urea nitrogen, serum creatinine were improved significantly. blood pressure rised slightly. heart rate did not change. conclusion : hypertonic saline can redress hyponatremia, improve cardiac function and decrease the levels of urea nitrogen and serum creatinine rapidly and effectively. blood pressure and heart rate did not change significantly

    目的探討高滲鹽水在低鈉性頑固性心力衰竭治療過程中的作用和可能出現的並發癥以及防治對策.方法分析3高滲鹽水治療低鈉性頑固性心力衰竭前後的電解質、尿素氮、肌酐、心率、血壓、心功能的變化.結果治療前後心功能、電介質、尿素氮、肌酐有明顯改善，血壓輕度升高，心率無明顯變化.結論高滲鹽水能快速有效地糾正低鈉血癥，有助於心功能的迅速改善，降低血尿素氮、肌酐.對血壓和心率影響不大
  17. Kickdown ( depressing the accelerator beyond full throttle ) = downshifting to a lower gear = maximum acceleration. once the desired speed is attained, ease up on the accelerator - the transmission shifts up again

    似乎是說油門踩到底時，壓下這個開關，降檔加速，當希望的速度達到時，再自動升檔，是否這么理解？
  18. The key items include the car sinking, constant speed characteristics, inspection function, auto relevelling function and level accuracy, etc. the research contents focus on the following three parts : firstly, research on effects of system parameters on car sinking has been completed. secondly, the constant speed performance with the compensation of internal leakage of pump / motor is improved. lastly, research on improvement of the car level accuracy and contrast to that of traction elevators is presented, and the reasons of low car level accuracy of hydraulic elevators are discussed

    重點研究了三方面內容：一是研究了停層沉降特性及影響電梯轎廂停層沉降特性的各種因素；其次是通過負載壓力補償液壓泵馬達內泄漏來改善電梯轎廂速度穩定性；最後是液壓電梯平層精度的理論和實驗研究，並與曳引電梯的理論模型進行了對比，闡述了液壓電梯平層精度低的原因，理論探討了影響液壓電梯平層精度的主要因素。
  19. In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation

    針對移動顆粒床中物料層內的高溫氣體滲流傳熱現象，考慮滲流與傳熱的相互作用，採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固溫度和床層壓力損失.計算結果表明，高溫熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域，增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降，熱滲透深度擴大，熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域，孔隙率對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用
  20. The experimental results were as follows. ( 1 ) effect of light sources. among the three light sources, i. e. sun light, 300w and 500w high - voltage mercury lamp, the degradation rate of triazophos under mercury lamp was higher than sun light, and increasing with the raising of mercury lamp voltage

    實驗結果如下： （ 1 ）光源的影響：在選擇的三種光源（太陽光、 300w 、 500w高壓汞燈）中，汞燈照射下三唑磷的降解速度明顯大於太陽光，並且隨汞燈功率的增加而加快。
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