等溫射流 的英文怎麼說

中文拼音 [děngwēnshèliú]
等溫射流 英文
isothermal jet
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  1. In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking

    在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環耦合模式( time - gcm ) ,對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻的影響進行了數值模擬,結果表明,從對層向上傳播的重力波經歷了產生、發展、飽和、對產生直至破碎的非線性演化,大氣的非結構加速了重力波在中層頂區的破碎,重力波的非線性傳播是小尺度對和湍產生的一個重要的源。
  2. Fundamental of laser 40ar / 39ar dating method : our laboratory has successfully set up the laser microprobe 40ar / 39ar geological dating method. our works include adjustment of the high - gain electron multiplier in mass spectrometer and correction of mass discrimination, adjustment of the laser, test for absorption ability of minerals to laser, designing and manufacturing high - vacuum sample chamber, sample preparation and irradiation, research on the variability of j values on the surface of rock chips, measuring atmospheric argon, determination and correction of blanks and ages, etc. the laser microprobe technique is particularly effective for some geological samples. it can be used, for example, for research of distribution of the components in extremely small samples that are very difficult to be separated and purified and those which contain excess argon

    本文首先從常規~ ( 40 ) ar ~ ( 39 ) ar階段升定年實驗室的改進入手,進而建立了激光~ ( 40 ) ar ~ ( 39 ) ar定年實驗室,利用這兩種先進同位素地質定年方法,結合其他手段,對青藏高原腹地和北緣的阿爾金斷裂系多期地質事件進行了詳細的同位素年代學研究:一、參照國際先進實驗室的程,對我們的常規~ ( 40 ) ar ~ ( 39 ) ar階段升實驗室在樣品的預處理、樣品的照條件和系統空白測量及校正方面進行了改進,使之產出的同位素年代數據更可靠並為國際同行所承認。
  3. Using jgp560c magnetron sputtering equipment, cu / ag film are deposited on cd1 - xznxte substrate by dc magnetron sputtering in order to get the influences of the main experiments parameters such as sputtering power, gas flow, vacuum air pressure, magnetoelectricity power and substrate temperature on deposition rate of film, discovered that dc sputtering power is the most key factor influencing the deposition rate

    在jgp560c型超高真空多功能磁控濺鍍膜機上,採用直磁控濺法在cdznte晶體上制備出cu ag合金薄膜,揭示了氣體量、直功率、勵磁電源功率、工作氣壓和襯底工藝參數對沉積速率的影響規律。結果表明濺功率對沉積速率的影響最大,隨濺功率的增大沉積速率快速增大。
  4. In this thesis, aragonite whisker was synthesized by introducing co2 into ca ( oh ) 2 suspension mixed with mgcl2. the hyphenated technique of microscope - microcomputer was used to examine the morphology and microstructure of the products. the effects of reaction temperature, concentration of mgcl2, ph value of the initial suspension, flow velocity of co2, and stirring strength on the formation of the polymorphs of calcium carbonate were examined

    本文利用改進的碳化法制備了文石相碳酸鈣晶須,採用高倍顯微鏡一計算機聯用技術、掃描電鏡和x線衍儀進行產品形貌觀察和晶型分析,討論了度、 mgcl _ 2濃度、初始ph值、 co _ 2的速、攪拌速度因素對制備文石相碳酸鈣晶須的影響。
  5. Firstly, the tio2 thin films are deposited by dc reactive magnetron sputtering apparatus, and characterlized by n & k analyzer1200, x - ray diffraction spectroscopy ( xrd ), scanning electronic microscopy ( sem ), alpha - step500. and it was analyzed that the effect on performance and structure of films with the change of argon flow, total gas pressure, the substrate - to - target distance and temperature

    第一、應用穩定的直磁控濺設備制備tio2減反薄膜並通過n & kanalyzer1200薄膜光學分析儀、 x線衍分析( xrd ) 、掃描電子顯微鏡( sem ) 、 alpha - step500型臺階儀儀器對薄膜進行表徵,分析氧分壓、總氣壓、工作度、靶基距制備工藝參數對薄膜性能結構的影響。
  6. The experiments of high speed milling of titanium alloy were conducted under different cooling and lubricating modes, i. e. dry milling, flood coolant, oil mist with nitrogen gas, cryogenic nitrogen gas jet, and cryogenic nitrogen gas jet with minimal quantities of lubricant

    在干銑削、澆注切削液、常氮氣油霧、低氮氣和低氮氣結合微量潤滑冷卻潤滑條件下進行了鈦合金的高速銑削對比試驗。
  7. This paper takes the steel constructions workshop building of bao ji bridge girder plant as background, inquiring into using isothermal level jet airflow to cut off workshop in the middle to organize airflow in it, attempting to resolve the problem of ventilation and dust removal in large space which has changeable dust source

    本文以寶雞橋梁廠鋼結構車間的噴丸打磨廠房為工程背景,探討運用水平進行空間隔斷,合理組織室內氣,嘗試解決具有高大空間、變動塵源特點的高大廠房通風除塵問題。
  8. Through field investigation, microscopic study, x - ray phase analysis and mineral infrared spectrum analysis, the authors determine the laumontitization had occurred widely in the axi gold field. according to the development of laumontitization and its relationship to mineralization, authors reveal that the laumontitization appeared mainly at the top and periphery to ore - bodies. it befallen at the edge of the geothermal fluid system or happened in the late stage of geothermal fluid system evolution, hence can be assigned as an indicator to prospect for epithermal gold deposit. the fluid causing laumontitization in the axi gold deposit is similar to those causing hot spring type gold deposit or in modern geothermal field. the fluidization of the axi gold deposit happened in carboniferous, showing the west tianshan is a good district for epithermal gold mineralization and preservation. so west tianshan is prospecting for exploring epithermal gold deposit

    通過野外考察顯微鏡下薄片鑒定x線物相分析和礦物紅外光譜研究,確定了阿希金礦濁沸石化的普遍存在根據濁沸石化發生的規律及其與礦床形成的關系,確定濁沸石化主要見于礦體的上部和外圍,發育在地熱體系統的邊緣和演化晚期,可作為尋找淺成低熱液型金礦的標志之一。導致阿希金礦濁沸石化的體性質與熱泉型金礦成礦體和現代地熱田類似,體作用發生在石炭紀,證明西天山地區具有良好的淺成低熱液型金礦的形成和保存環境,因此找礦前景較好。
  9. After thermodynamic calculation on several operation conditions of the furnace, cold - state flow and resistance mensuration, the combustion of the tubular - furnace hearth was changed into swirl and addition of radiate cylinder and oxygen content detection minish 1. 25 surplus air to less than 1. 15, improving the combustion condition and convection and radiate heat transfer efficacy, resuling in reducing the waste - gas temperature 45, decreasing exhaust gas loss, and saving fuel by 6 %

    摘要通過對加熱爐幾種工況進行熱力計算、冷態試驗的場分佈及阻力測定和熱態試驗的爐膛度場分佈及管壁參數的測定,確定將管式加熱爐爐膛內直燃燒改為旋場燃燒和增加輻筒,增設煙氣含氧量分析,可以將燃燒的過剩空氣系數從1 . 35減小到1 . 15以下,極好地改善爐膛內的燃燒狀況和對傳熱效果,從而降低排煙度45 ,減少加熱爐排煙損失,節約了煤氣量6 %以上。
  10. With a careful theoretical analysis various physical parameters such as the gas density, temperature, and pressure, and the ultraviolet and ionizing radiation fluxes can be derived.

    通過仔細的理論分析,可以推導出如氣體密度、度和壓力各種物理參量,以及紫外輻和電離輻量。
  11. The new device consists of paint - drying box, heat carrier boiler, heating pipe, expansion tank, gas separator and oil tank, etc. the data of two applied examples shows that heat carrier paint drying method is able to make painting - drying cost drop by 88 %, compared with the conventional one, that it has some advantages such as uniform temperature field, good appearance and lower costs, compared with conventional hot air convection mode

    該裝置主要由熱載體烤漆爐、輻加熱管,熱載體爐、膨脹器、油氣分離器和儲油槽組成。應用實例的測試數據表明,與傳統的遠紅外電加熱鋼瓶烤漆方式相比較,鋼瓶熱載體烤漆節能和降低能耗費用十分顯著,能耗費用降幅達到88 。與熱風爐對烤漆方式相比較,熱載體烤漆方法不僅節能,而且烤漆爐度場均勻穩定,同時烤漆的外觀質量也得到了明顯提高。
  12. The sample with low emitter efficiency has completed as the method of above. this lead to the greatly decrease of the reverse recovery time and the low reverse leakage and forward voltage, especially the excellent temperature character of the leakage. the test date shows that the samples reach the first class of international level

    本論文作者通過模擬測試,驗證了課題研究的理論設想,並設計製作了具有低陽極發效率結構的高壓功率frd ,利用局域鉑摻雜和電子輻照相結合的壽命控制方式,實現器件反向恢復時間的極大減小,並且反向漏電、軟度因子、正向壓降關鍵參數也較理想,且具有極佳的漏電度特性,達到器件綜合性能的優良折衷,達到國際先進水平。
  13. The relation between thermal environment parameters for instance air temperature, relative humidity, air velocity and thermal sensation or thermal comfort has been studied in all environments. the differences of thermal sensation or thermal comfort in this environments and pmv - ppd are researched too

    並分析了在實際空調環境下、自然通風環境下和實驗空調環境下空氣度、濕度、空氣速、環境輻參數對人體熱感覺和人體熱舒適的影響;並將人體熱感覺和人體熱舒適與pmv - ppd指標進行了比較分析。
  14. The main work can be summed up as follows : firstly, we studied the thermal - field properties of vcsels, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of vcsels, and then studied the influences of the oxide - confining region with different position or thickness, and the different sizes of the gain - guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. thirdly, we realized the coupling of electricity, optical and thermal - fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, fermi levels and optical - field

    具體工作可以概括如下:首先,研究了vcsel的熱場特性,分析了電擴展,材料參數和工作條件對于度分佈的影響;其次,從電極電壓入手,計算出激光器中的勢線分佈,並對不同深度處的電壓和電分佈進行比較,研究了高阻區的不同位置和不同厚度、限制層和出窗口半徑的大小對電密度、載子濃度和度分佈的影響;再次,實現了電、光、熱耦合,求出了閾值電壓,計算了不同偏置電壓下的電密度分佈、載子濃度分佈和熱場分佈,分析了度和載子濃度變化對折率、費米能級和光場的影響;最後,給出了考慮n - dbr和雙氧化限制層時激光器中的勢線分佈,分析了n - dbr和雙氧化限制層對vcsel電密度、載子濃度、度和光場分佈的影響。
  15. Simulating results reveal that hydrodynamics of catalysts in riser reactor is very complex due to the effect of injection and catalysts backmix dramatically near the nozzle, reaction products unevenly distributie along the riser height, there exists apparently temperature gap between gas - phase and solid - phase near the nozzle and the temperture of two phase is nearly equal at middle - top part

    模擬結果表明,由於原料油的影響,提升管反應器內催化劑顆粒的動特徵非常復雜,在噴嘴附近的催化劑顆粒存在明顯的滑落返混;裂化產物濃度沿提升管存在非均勻分佈;氣粒兩相間差在噴嘴附近顯著,在中上部氣粒兩相度幾乎相
  16. Abstract : the in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging

    文摘:針對早期建造的煉油廠和化工廠在役管式加熱爐熱負荷和熱效率低的狀況,提出了若干技術改造措施包括,增大對管表面積以增大對段的熱負荷;增加輻管的換熱面積;修正煙囪高度;換用新型燃燒器,變自然通風為強制供風,以增大燃燒器的發熱量,減小過剩空氣系數,節省燃料2 % 3 % ;在對段和煙囪之間增設空氣預熱器以提高空氣入爐度;採用高塗料增強輻換熱效果,從而增加熱源對爐壁的輻傳熱量和爐管的傳熱量
  17. This program is launched to solve a fundamental issue existed : the direct factor influencing the optical transmission - variation of refraction index of the media in flow - field, in other words, to use ground simulation equipment or facilities to investigate the ao effects when qualitatively visualizing and quantitatively measuring the interaction of high - temperature, turbulent or shock wave flow - field with optical beam propagating through them, so that technology support can be provided for the high - speed interceptor development

    本項目就是針對這一瓶頸技術存在的基礎性問題:場介質折率變化是影響光學傳輸最直接的因素,即針對光線穿過高和湍、激波復雜場作定性顯示和定量測量問題而開展的氣動光學效應地面模擬測試研究工作,為高速攔截彈的發展提供技術基礎。
  18. In many applications, water jet machining has some advantages over the laser, plasma and edm etc., such as less expensive, environmentally friendly and has no heat affected zone ( working temperature less than 100 c )

    具有介質成本低、清潔、環境友好,而且對被加工材料無熱損傷(被切割材料度小於100 )優點,在許多材料的切割加工、表面處理中,水具有其獨特的優越性。
  19. In order to measure the mixing characteristic, different temperature spout test method was used. the room air was used as main airflow and ofa

    為了較為準確地測量氣的混合特性,冷模試驗採用了不等溫射流方法。
  20. However, based on this reconstruction model and algorithm, we established the real time " monitoring model for section temperature center. as a result, this model can give the important information to judge the position of the combustion circle, and to change the combustion state to avoid the accident in furnaces

    針對截面度場重建時間長,不能滿足電站鍋爐實時監控要求的矛盾,本文建立了截面度場中心實時監測模型,為判斷燃燒中心以及防止燃燒偏心、沖墻不正常工況提供了重要的依據。
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