真空下降 的英文怎麼說

中文拼音 [zhēnkōngxiàjiàng]
真空下降 英文
breaking of vacuum
  • 真 : Ⅰ形容詞（真實） true; genuine; real Ⅱ副詞1 （的確; 實在） really; truly; indeed 2 （清楚確實） cl...
  • 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...
  • 下 : 下動詞1. （用在動詞后,表示由高處到低處） 2. （用在動詞后, 表示有空間, 能容納） 3. （用在動詞后, 表示動作的完成或結果）
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 真空 : [物理學] vacuum; empty space; vacuo
  1. But alq3 was used in oelds by vacuum evaporation mostly because of its poor dissolubility, and easily recrystallized from the oelds so that the oelds " stability decreased

    但是alq3溶解性差，一般都通過真空蒸鍍製作器件，此外它會在器件內因器件發熱發生重結晶從而導致器件穩定性下降。
  2. While descending to 3000 feet, a barge swan shot past smashed the pilot tube ( pilot head ), air speed indicator out of order

    在下降到3000英尺的過程中，一隻大天鵝很快越過，撞壞了空速管。真空速表失效。
  3. Based on the terszige and biot theory, initially analyze the economical of this experiment, directly save investment 22 % after compute. after that, computing the settlement of highway foundation, comparing the computing and survey value, the predict formula of vacuum - heaped load combining precompression for designing, this formula show that the distortion law of consolidation progress. at the same time, based on the position and room experiment, analyzes the intension transformation in soft soil and criteria of stabilization control

    在太沙基和比奧固結理論的基礎上，先分析了此次試驗的經濟性，經核算直接節約投資22 ，經濟效益十分明顯；隨后對真空堆載聯合預壓法加固軟土路基的沉降量進行了估算，並與實測值作對比分析，得出了真空堆載聯合預壓下的沉降量估算公式，能反映「真空」加固過程的變化規律；同時根據現場和室內試驗，分析了軟土強度的變化，以及給出並驗證了工后沉降控制標準。
  4. On the basis of test results, the effects of operation parameters such as material thickness, heating temperature and pressure of drying chamber on vacuum freeze drying are discussed. aiming at decreasing drying time and reducing energy consumption, these parameters are optimized and optimization results agree well with actual results

    在三因素二次正交回歸試驗的結果分析的基礎上，利用降維分析方法探討了凍干厚度、加熱板溫度和系統的真空度對乾燥時間和乾燥能耗的影響，並對混合加熱條件下單位水分能耗和凍干生產率進行了優化分析。
  5. Standard test method for determining anaerobic biodegradation of plastic materials under high - solids anaerobic - digestion conditions

    在強溶解液真空降解條件下測定塑性材料的真空生物降解的標準試驗方法
  6. At the appropriate pressure, the chamber is opened to a high-vacuum pumping system that continues to reduce the pressure of the process chamber.

    在適當的壓強下，工藝室被接通高真空泵系統抽氣，以繼續降低工藝室的壓強。
  7. The value of pore water pressure dissipation can be divided into two parts. one part is produced by vacuum degree and the other part by groundwater table lowering

    加固區內地基中的孔隙水壓力的最大消散值可分為兩個組成部分：一為真空度的直接傳遞導致的孔壓下降值；二為抽真空引起水位線下降進而引起的孔壓消散值。
  8. The system of vpi equipment mainly includes vacuum chamber, heating unit, worktable with its drive unit, vacuum pumping unit, gas - charge unit and control unit, etc. this equipment would meet the need of al or cu matrix composites prepared by pressureless infiltration or vacuum infiltration in a high vacuum or special atmosphere

    該設備主要出密封罐、加熱系統、升降工作臺、真空系統、充氣系統、控制系統及密封罐水冷系統等組成。可以實現常見金屬基復合材料在較高真空或特定氣氛下的無壓浸滲或真空浸滲制備工藝，並可實現試樣的不同冷卻方式凝固。
  9. Results showed that moisture content was mostly removed during sublimation period of freeze - drying, while rapidly dropped during earlier period of air - drying and gradually decreased during vacuum belt drying

    結果表明：真空冷凍乾燥物料中的大部分水分在升華階段去除，熱風乾燥初期水分含量迅速下降，真空帶式乾燥物料水分隨時間延長呈比較均勻的下降。
  10. After the coke being puted into the coke - quenching device, the lid of the device should be shut at once. while the suction pump, refrigeration compressor, high pressured water circuling pump are started, the subpressure will be produced by the burning coke. then, in the vacuum, the coke will be extinguished in a flash. the burning of the coke instantly, still, produces a large quantity of heat which can be taken away by circulating water in refriger and the interlayer, after that, the temperature will fall to 60oc, even lower. in this condition, the coke will be pushed out to be stored, thus, the coke won ' t rekindle

    當焦炭推上攔焦車進入熄焦器后，立即關閉罐蓋，同時啟動真空泵、冷凍機、高壓循環水泵，這時，燃燒著的焦炭就會因真空泵把熄焦器內抽成負壓，由於缺氧，使焦炭熄滅，雖然煤炭在瞬間被熄滅，但由於焦炭生成過程中所產生的大量的熱量還存在，這時，冷凍機和夾層中的循環水的工作就會把焦炭中的熱量帶走，使之在短時間內將溫度降到60以下，在這種狀態下把焦炭從熄焦器內推出入庫，焦炭就不會復燃。
  11. The experiments show that ultrasonic motors can operate under vacuum condition, but the performance is different from that under general condition, its unloaded speed decreases significantly, while the stall - torque increases a bit

    試驗結果表明，超聲電機可以在真空環境下工作，但性能較常態環境下有所變化，其空載轉速明顯下降，堵轉力矩有所增大。
  12. At the initial stage of planar technique, b was employed as ideal diffusion impurity in base - region of npn si planar devices because of the match of its solid - solubility and diffusion coefficient in si with those of p in emission - region, and the good shield effect of sio2 film to b. but because of the relatively large solubility ( 5 1020 / cm3 at 1000 ) and the small diffusion coefficient, the linear slowly - changed distribution of acceptor b in pn junction can not be formed, which could not cater to the requirement of high - reversal - voltage devics. thereafter b - a1 paste - layer diffusion technology and close - tube ga - diffusion technology had been developed, while the former can lead to relatively large the base - region deviation and abruptly varied region in si, which caused severe decentralization of current amplification parameter, bad thermal stability and high tr ; the latter needed the relatively difficult pack technique, with poor repeatability, high rejection ratio, and poor diffusion quality and productio n efficiency

    在平面工藝初期，由於b在硅中的固溶度、擴散系數與n型發射區的磷相匹配， sio _ 2對其又有良好的掩蔽作用，早被選為npn硅平面器件的理想基區擴散源，但b在硅中的固溶度大（ 1000時達到5 10 ~ （ 20 ） ，擴散系數小， b在硅中的雜質分佈不易形成pn結中雜質的線性緩變分佈，導致器件不能滿足高反壓的要求，隨之又出現了硼鋁塗層擴散工藝和閉管擴鎵工藝，前者會引起較大的基區偏差，雜質在硅內存在突變區域，導致放大系數分散嚴重，下降時間t _ f值較高，熱穩定性差；後者需要難度較大的真空封管技術，工藝重復性差，報廢率高，在擴散質量、生產效率諸方面均不能令人滿意。
  13. The x - ray diffraction, scanning electronic microscope and the squid were used to characterize the properties of the mgb2 core in mgb2 / fe tapes and wires. the effect of the proportion of mg, b and sic as well as the sintering parameters on the phase formation, microstructure and the critical current densities of mgb2 / fe tapes and wires was discussed in details. the results showed that the high purity of mgb2 core could be synthesized by both the traditional vacuum sintering and the sparking plasma sintering and the vacuum sintering environment restrained the oxidation of mg effectively

    相對于傳統真空燒結， sps燒結方式成相速度快、樣品晶粒細小均勻、 mgb2超導芯緻密性好、晶間連接優良，因而sps燒結樣品的臨界電流密度明顯高於傳統真空燒結樣品，其中未摻雜的帶材樣品經過sps800 ， 15分鐘燒結后，自場下的臨界電流密度jc值在10k時達到8 . 64 105a / cm2 ，而且隨著測量溫度和外加磁場的增加， sps燒結樣品的臨界電流密度下降率比傳統真空燒結樣品緩慢，在20k ，自場時為5 . 97 105a / cm2 ， 20k ， 3t時，臨界電流密度值仍大於104a / cm2 。
  14. How many pumps were turned on should be based on the dynamic design according to project target. and how many pumps should be in operation in standard shut off procedure. it was approved that although the theoretical boundary of decline of groundwater level is 10m, the actual boundary is only about 6m

    提出了一些與真空預壓加固地基設計相關的概念和處理方法，如定義真空預壓加固區場地形狀系數，提出按加固土體體積來確定射流泵數量、根據工程需要動態設計開泵量、增加停泵標準中對開泵量的規定等設計思想等，論證了真空預壓加固地基時地下水位下降的理論極限深度為10m ，而實際極限深度約為6m 。
  15. The pore water pressure dissipation in the silt is produced mainly by lowering of groundwater table and pore water pressure dissipation in the pvds ( or sand drains ) is produced mainly by vacuum degree

    淤泥地基中孔隙水壓力消散主要是由於地下水位線的下降引起的；而砂井或塑排中的孔壓消散大部分由真空度直接引起。
  16. The cause of vacuum degree formation under groundwater table is discussed in the paper. the testing results show that vacuum degree above the groundwater table is produced directly by pumping air, and that vacuum degree below groundwater table is produced mainly by dewatering and by escaping of sealed air from the end of flexible pipe. based on the bernoulli equation, the limit lowering of groundwater table is analyzed, which is about 5 ~ 7m. the effective influence depth of vacuum preloading has relationship with pvds depth and can be more than 10m

    對地下水位線以下的真空度成因進行了分析，結果表明，地下水位線以下測到的真空度是由於測試軟管中水位下降或部分封存氣體從軟管末端逃逸引起的，與地下水位線以上的真空度由抽氣直接形成在成因上存在不同；根據伯努俐方程，對地下水位下降的極限深度進行了分析，得出真空預壓中地下水位的極限下降深度為5 7m ；對有效影響深度的分析結果表明，真空預壓的有效影響深度與塑料排水板的打設深度具備一定關系，有效影響深度可以超過10m 。
  17. The experiment took water as the medium and experiments on two jet modes were carried out under the falling film vacuum evaporating. the experimental results indicated that the two ejectors in series compensation method could adjust the variational work situation due to the decrease of primary steam or secondary steam and insure the normal production. at the same time, the ejector ' s best work situation founded in the experiment would provide reference for ejector ' s design and usage

    本實驗建立了一套降膜真空蒸發裝置，以水為介質，對變工況下單級和串聯噴射熱泵蒸發進行了實驗，結果表明兩級串聯補償噴射裝置能對由引射蒸汽和工組蒸汽壓力降低所造成的混合蒸汽壓力降低進行調節，達到了變工況下正常生產的目的。
  18. These equipments are vacuum system which is made up of diffusion pump, pipes, water - cooling baffle and rotary vane pump ; the whole chamber, wall and water - cooling wall are made of stainless steel ; the lower part is equipped with cool water sleeve which can fast take out air to gain 10 - 4 or higher vacuum, therefore they are widely used in high - tech fields, such as the platting, electronic, metallurgy, chemical engineering, atomic energy, materials and medicine etc

    Kt系列擴散泵機組是由凸腔擴散泵管道水冷擋板機械泵等組成的高真空系統，整個泵腔泵壁及水冷壁全部由不銹鋼作成，下部配有降溫用急冷水套，抽氣速度快，極限真空高，它可使被抽容器獲得10 - 4或更高的高真空，因此廣泛適用於鍍膜裝飾電子冶金化工原子能材料醫藥等等各種高新技術領域。
  19. The bigger no. 5 6 high pressure heater ' s difference temperature is another factor. the paper detaily analysed the reasons that turbine ' s relative intra - efficiency and condenser ' s vacuum lowering and no. 5, 6 high pressure heater ' s difference temperature rising. it using the thermal system equal quantity analysis method, calculated the value that turbine unit thermal efficiency had been lowered

    論文中對汽輪機相對內效率低、凝汽器真空低於設計值以及# 5 、 6高壓加熱器上、下端差大於設計值的原因進行了詳細的分析，並將各因素對整個熱力系統效率降低的影響程度進行了定量的分析和計算。
  20. The method named fault tree analysis ( fta ) is shown. a new method could integrate the virtue of fmea and fta. the drop of vacuum about condenser is analyzed as a typical accident to summarize the approaches to the method

    最後本文對電力設備故障分析的未來發展趨勢和前景進行了展望，結合國際工程界所重視的故障樹分析方法，提出故障樹和故障模式的聯合分析法必將成為故障分析的有力工具，並以凝汽器真空下降這一典型故障為例，總結了這種方法對汽輪機分析的基本步驟和注意事項。
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