過冷液體 的英文怎麼說

中文拼音 [guòlěngyètǐ]
過冷液體 英文
subcooled liquid
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 冷 : Ⅰ形容詞1 （溫度低; 感覺溫度低） cold:冷水 coldwater; 你冷不冷? do you feel cold?; are you feeling...
  • 液 : 名詞（液體） liquid; fluid; juice
  • 體 : 體構詞成分。
  • 液體 : liquid; liquor; fluid
  1. The total rna was isolated from pokeweed ( phytolacca americana ) leaves using the method of guanidine isothiocyante and used as template to amplify the total length and deleted mutant pokeweed antiviral protein ( pap ) gene by rt - pcr and then the pap gene was cloned into pgem - t vector. the sequencing results showed that pap gene had 99. 9 % identity comparing with the pap gene nucleotide sequence reported by lin et al ( 1991 ). the iptg - inducible expression vector containing the pap gene was constructed and transferred into e. coli bl21 ( de3 ) - plyss

    將缺失型pap基因克隆到植物表達載體pbi121中，通過液氮冷凍法將重組質粒轉入農桿菌lba4404細胞中，然後採用葉盤法，在該農桿菌的介導下將pap基因導入普通煙草中，經過卡那黴素抗性篩選，最後獲得了轉pap基因的工程煙草植株，摩擦接種煙草花葉病毒（ tmv ） ，與非轉基因煙草相比，能夠推遲癥狀表現達2月之久，說明pap基因能夠在其它植物體內產生有活性的高抗病毒的蛋白質。
  2. Different from mammals, the early embryos of fish can not be preserved for the long period at the very low temperature ( - 196 ). therefore, three methods were usually applied to cryogenic preservation of the fine and rare species of fish : 1 ) perserving fish spermatozoon in cryogenic condition. researchers have had systematically studied on this technique for many years, and this technique has been utilized in application and made a lot of effects ; 2 ) combining with the techniques of cell engineering ( nuclear transplantation and electric fusion etc. ), and through the process of culturing histiocyte of fish, cryopreservation and re - culture after thawing, carrying out somatic cell breeding of fish. the past studies showed that the nucleolus of somatic cells of fish have totipotency

    多年來，國內外學者對各種魚類精液的冷凍保存進行了大量的系統研究，目前這項技術已達到實用水平，並日益發揮作用；二是對魚類培養的組織細胞冷凍保存，通過魚類細胞的培養、超低溫凍存、解凍后再培養過程，結合細胞工程技術（如核移植、電融合等）進行體細胞育種；大量的研究結果表明魚類體細胞核具有發育的全能性，隨著細胞培養技術、細胞工程技術日益發展成熟，完全具備實現魚類物種種質長期保存的理論基礎和技術條件。
  3. The raw material has to be heated to very high temperatures, liquidized, and cooled in a mold, before it becomes lenses of different shapes and sizes. this is an arduous process, just like it is being forced. and it has to be polished and you have to get your eyes checked before it can be turned into a pair of glasses just right for you

    玻璃的原料要經過很高溫的加熱處理，才能變成液體，然後再放入模型里讓它冷卻，才會變成各式各樣的鏡片，這之間須經過好痛苦的過程，像被逼一樣，而且還要磨亮還要量看看你的眼睛多少度數，最後才能夠變成一副眼鏡給你戴，哎呀！
  4. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻通道設計為斜航線（等傾角螺旋線）槽形，可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大，所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點，提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜，手工編制數控加工程序難度大.為了解決數控加工程序的編制問題，研究了斜航線的數學模型，開發了自動編程軟體系統.使用該系統，可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大，加工難度大，是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗，研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術，已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用，驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功，對其他相似類型零件的加工亦具有參考意義
  5. The experimental results showed that incipient boiling point decreased with increasing fluid subcooling and was independent of other factors, and that temperature overshoot enhanced with decreasing jet velocity and fluid subcooling

    結果表明：沸騰起始過熱度隨液體過冷度增加而減小，與其他因素無關，而溫度過頭值則隨射流速度和液體過冷度減小而增加。
  6. According to rigorous procedures, an experimental study was carried out to investigate the effects of jet exit velocity, flow direction, fluid subcooling and nozzle diameter on hysteresis of boiling heat transfer with impinging circular submerged jets of highly - wetting liquids

    摘要系統地研究了液體在圓形斷面噴嘴浸沒射流作用下沸騰熱滯后與射流沖擊速度大小、液體流動方向、液體過冷度和噴嘴直徑等因素的影響。
  7. Glass and pitch behave like supercooled liquids of very high viscosity.

    玻璃和瀝青的行為很像具有極高粘滯性的過冷液體。
  8. Magswitch is suitable for many liquid and gaseous media, and is used in vacuum technology pump actuation, refrigeration technology compressor control, gas technology supply monitoring, leak detection, filter monitoring soiling detection, filling level measurement overfilling protection, dry running protection and for many different measuring tasks in hydraulic and pneumatic systems, in mechanical engineering and in building service engineering

    磁控開關適應多種液體和氣體，並應用於真空技術泵啟動，冷藏技術壓縮機控制，瓦斯技術供給控制，密閉性檢查，過濾控制污染探測，填充狀態測量防過滿，防干運行，以及許多水壓，氣壓系統的測量任務，還有機械工程，屋宇設備工程中。
  9. The magswitch is suitable for many liquid and gaseous mediums and is used in vacuum technology pump control, refrigeration technology compressor control, gas technology stock monitoring, leak detection, filter monitoring dirt detection, level measurement overfill protection, dry - running protection, and is also used for a whole variety of measurement tasks in hydraulics and pneumatics, in machine construction and in building technology

    磁控開關適用於液體和氣體介質，可以用於真空技術氣泵控制製冷技術壓縮機控制氣體技術貯存量監測泄露探測過濾監測灰塵探測，液位測量過量保護空運行保護，也用於所有機械構造和建造技術中的液壓和氣壓測量任務。
  10. The pressure switch is suitable for almost all liquid and gaseous mediums and is used in vacuum technology pump control, refrigeration technology compressor control, gas technology stock monitoring, leakdetection, filter monitoring dirt detection, level measurement overfill protection, dry - running protection, aswell as a whole variety of measurement tasks in hydraulics and pneumatics, in machine, equipment and plantconstruction, in process technology and in building technology

    壓力開關幾乎適用於所有液體和氣體介質，可以用於真空技術氣泵控制製冷技術壓縮機控制氣體技術貯存量監測泄露探測過濾監測灰塵探測，液位測量過量保護空運行保護，也用於過程技術和建造技術的機器機械和設備製造中的所有液壓和氣壓測量任務。
  11. The sc400 is suitable for many liquid and gaseous mediums and is used in vacuum technology pump control, refrigeration technology compressor control, gas technology stock monitoring, leak detection, filter monitoring dirt detection, level measurement overfill protection, dry - running protection, and is also used for a whole variety of measurement tasks in hydraulics and pneumatics, in machine construction and in building technology

    Sc400開關適用於液體和氣體介質，可以用於真空技術氣泵控制製冷技術壓縮機控制氣體技術貯存量監測泄露探測過濾監測灰塵探測，液位測量過量保護空運行保護，也用於所有機械構造和建造技術中的液壓和氣壓測量任務。
  12. It is found that the liquid kerosene of injection upstream cavity could finish the process of atomization and evaporation in short distance, and enter into cavity through convection. aft wall is the primarily area of flame holding in cavity, and the only area when near the lean blowout limit, flame in area of fore wall are spread from it. cavity shear layer in reaction flow angle greatly to the main flow direction, and couldn ’ t reattach to aft wall anymore, it appears great difference in characteristics of cavity flowfield between non - reaction and reaction state

    研究發現:凹腔上游噴注的液體燃料能夠迅速霧化、蒸發，並在較短距離內依靠對流輸運過程進入凹腔內部;凹腔後壁始終是凹腔火焰駐留的主要區域，在貧油極限時，也是唯一區域，並存在明顯的火焰由後壁向前壁的傳播過程;燃燒狀態下的凹腔剪切層以較大角度向下游主流發展，不再附著于凹腔後壁，與冷流中的凹腔流場特徵相差較大。
  13. In this article, on the basis of evaporation & condensation principle, a research on the heat and mass transfer of liquid dehumidification and seawater desalination was developed

    本文對液體除濕和海水淡化中蒸發冷凝傳熱傳質過程展開了研究。
  14. In the way based the scientific and tecdrical talks on i presided at and panicipated in, the graduation theis included a p1entful thets in recent years wtll be divided into three parts for depiction conxteniently and clearly, according to the content as fo1lowsf ( l ) the study of shock compression properties with the drixtiir - liquid co and n, experimentally ( 2 ) the study of the phenomenon of excess heat produced by deuteriurn atoms entering into the lattice of titaluxn experimentally ( 3 ) the calcujation for the electronic structure and energy of hydrogen atoms cluster ffi. the mainstream in the first part of the paper is to exposure some experimental tecndques in high pressure and high temperatur shock compression physics, including by using a cryo - target cooled down circulating steaxned n, to condense the well - proportioned mixed liquid sample from pure gas co and n = with equal molar voiurne

    根據近幾年所承擔和參加的科研任務，將研究成果總結寫成的論文按以下三個部分敘述： （ 1 ）液體co和n _ 2混合物沖擊壓縮特性的實驗研究（由國防科技重點實驗室基金項目96js75 . 2 . 1 . jw1902資助） （ 2 ）重氫原子進入鈦晶格中引起過熱現象的實驗研究（由國家自然科學基金10145002資助） （ 3 ）氫原子團簇h _ 9的電子結構與能量計算第一部分以高溫高壓沖擊波物理實驗為主，採用自行研製的低溫循環汽冷靶冷凝制樣技術由高純co和n _ 2氣體獲取等摩爾體積均勻混合的液體沖擊初態樣品。
  15. The liquid waste is mixed and diluted with the effluent from the plant after treatment before discharging to the sea

    液體廢物先經過處理，再與核電站內循環冷卻水混合及稀釋，然後直接排放出大海。
  16. The ratio of isopropyl alcohol and pure water and temperature in the process of freezing are considerated in the research of the preparation of the pt / c electrocatalysts with freeze - drying method. the result shows, when we use 300ml pure water to wash the carbon ( 40mg ) in isopropyl alcohol ( 20ml ) to alter the ratio of isopropyl alcohol and pure water, we get the electrocatalysts with high catalytic activity ; the use of the liquid nitrogen ( - 196 ) to freeze the suspension ( carbon and precursor solution ) can make the pt / c electrocatalysts in high dispersion

    採用300ml純水對20ml異丙醇中的40mg碳載體進行洗滌抽濾，來改變預凍液中的醇水比例，通過冷凍乾燥制備pt / c的性能較好;採用液氮對預凍液進行冷凍（預凍溫度為- 196 ）制備的pt / c催化劑性能較好;冷凍乾燥法可以有效地避免加熱乾燥過程中前軀體離子在碳載體表面的脫附和團聚，進而制備載量大、分散性好、粒徑較小的pt / c催化劑。
  17. The paper is on how to set up lab platform of vapour spewing to uppercooling water surface to coagulate directly and to observe and analyse which vapour coagulate on the water surface, the results enable people to know the security system of nuclear power. the range of the pressure parameters of prz is from 0. 2mpa to 0. 6mpa, and the range of the initial temperature parameters of cmt is from 23. 5 to 78. 5, all of the testing points are 30 and there are fifty thousand testing data. many results of vapour spewing to uppercooling water surface vertically to coagulate can get. for example : coagulating can make the water of cmt surge forcefully when vapour spews to uppercooling water surface, too many vapour - bubbles come into being and strike the water of cmt owing to rupture continually, all these will strengthen the surge because of the vapour pressure of cmt

    實驗中prz飽和蒸汽壓力變化范圍為: 0 . 2mpa - 0 . 6mpa ， cmt中水初始溫度變化范圍: 23 . 5 - 78 . 5 ，實驗中測試工況30個左右，實驗測試數據50萬余個，得出了很多與非能動安全系統相關的蒸汽垂直噴向過冷水表面凝結時的結論：蒸汽垂直噴入過冷水表面凝結時會造成cmt中液面的強烈波動和振蕩，產生大量蒸汽汽泡，汽泡不斷破裂對cmt中液體帶來很大沖擊，勢必引起cmt中液體的振蕩，造成cmt汽空間汽壓不均勻，加強cmt液體的振蕩和波動。
  18. The process by which a gas or vapor changes to a liquid

    冷凝將氣體或蒸汽轉化成液體的過程
  19. These designs utilize an internal by - pass system to circulate the pumped liquid throughout the motor cooling jacket

    這種設計結構採用一個內置旁路系統，通過泵吸液體的流經電機冷卻外套達到冷卻目的。
  20. The law how the controlling parameters, such as the pressure before injecting, total pressure of the gas, the survey distance to exit, affect the discharge coefficient and the mean diameter of the spray is analyzed

    通過冷態試驗，分析了液體噴注壓降、氣體總壓等控制參數及測量位置對噴嘴流量系數、霧化平均直徑的影響。
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