direct cooling 中文意思是什麼

direct cooling 解釋
直接冷卻水
  • direct : adj 1 筆直的，一直線的；正面的。2 直接的。3 直截了當的，直率的，明白的。4 直系的，正統的。5 【語...
  • cooling : n. ,adj. 冷卻（的）。
  1. The design features of 300 mw direct air - cooling turbine

    直接空冷汽輪機的結構特點
  2. The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased

    本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化，結果表明:採用普通工藝焊接時，葉片焊后殘余拉應力出現在焊縫及其附近區域，並且在葉片出水邊的熔合線附近（危險區域）出現了峰值;在採用優化的分段焊時，先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值，降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱時間、加熱溫度以及加熱面積成正比，與冷卻面積成反比，並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。
  3. Methods and limits for checking the direct gas ventilation cooling system of turbogenerator rotor

    透平發電機轉子氣體內冷通風道檢驗方法及限值
  4. Quality control of direct air - cooling system installation

    直接空冷系統安裝質量的控制
  5. By means of engineering examples, a comparison is made on the economy and environmental protection for four cooling and heat sources, including gas direct - fired machine, centralized heat - supply plus electric refrigerating, gas boiler plus electric refrigerating and air source heat pump plus gas peak - shaving boiler

    通過工程實例，對以燃氣直燃機、集中供熱電製冷、燃氣鍋爐電製冷、空氣源熱泵燃氣調峰鍋爐4種冷熱源的經濟、環保性進行了比較。
  6. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  7. Application research of direct evaporative cooling air conditioner in industry building

    蒸發冷卻空調在工業廠房的應用研究
  8. It adopted after years of use proved to be totally reliable, professional design, transistors chassis grounding professional design, large transistors allow direct contact cooling unit and do not have to insert the middle of mica insulation film, thermal capacity increases promoting - - warming is the burning of the power amplifier transistors number one killer. professional design significantly improve the heat dissipation problems so as to enhance the reliability of the power amplifier

    它採用了經過多年使用證實是完全可靠的一種專業設計，電晶體機殼接地的專業設計，讓放大電晶體直接接觸散熱片而中間不用加插絕緣用的雲母片，加促散熱能力? ?升溫是燒毀功放電晶體的頭號殺手，專業設計大大改善了散熱問題從而提高了功放的可靠性。
  9. From the viewpoint of safety technology of chemical reaction with heat release. the technical causes of getting out of control of these reactors are analyzed. hazardous effects of the leakage of chemical reactants both on human and environment, and the existing problems in current safety technological measures are also discussed. the cooling method of jet vaporization based on the jet principle and the direct cooling by non - vaporized liquid are introduced. the development trends of the safety technology for chemical reactors are analyzed

    從放熱化學反應的安全技術觀點出發，分析了放熱化學反應器失控的技術原因、化學反應物泄漏對人員和環境造成的危害、現有安全技術措施存在的問題；介紹了基於射流原理的噴射汽化和非汽化冷卻液體的直接冷卻方法；還展望了化學反應器安全技術的發展方向。
  10. Abstract : from the viewpoint of safety technology of chemical reaction with heat release. the technical causes of getting out of control of these reactors are analyzed. hazardous effects of the leakage of chemical reactants both on human and environment, and the existing problems in current safety technological measures are also discussed. the cooling method of jet vaporization based on the jet principle and the direct cooling by non - vaporized liquid are introduced. the development trends of the safety technology for chemical reactors are analyzed

    文摘:從放熱化學反應的安全技術觀點出發，分析了放熱化學反應器失控的技術原因、化學反應物泄漏對人員和環境造成的危害、現有安全技術措施存在的問題；介紹了基於射流原理的噴射汽化和非汽化冷卻液體的直接冷卻方法；還展望了化學反應器安全技術的發展方向。
  11. This is a newly introduced slight shocking, direct driving centrifugal hyro - extractor. the electric locomotive on its base is semi - closed, internal ventilating, self cooling, weight adding and energy saving. the internal drum and rotational drum are istalled on the axel of the locomotive and drived directly, which effectively decreases energyloss, and simplifies therotation. acontrolling box is used in the machine to start through frequency conversion. and stop through resistance. the showing board shows the rotation speed and adjusts the speed and time. the featues of this machine areenergy saving, durable and repair infrequent. this machine is spcially used for cloth hydroectraction

    本機系最新引進直微震直驅式離心脫水機，它使用半封閉內通風自冷加重型專用節能電機裝于中間底座，內桶及轉鼓裝于電機軸而直接驅動之，有效地減小了多功能損耗，簡化了傳統的多級繁瑣轉動，本機配有一個電控箱機變頻起動，電阻剎車於一體面板有轉速顯示並可調速度及時間，該機特點省電、耐用、維修機會極少，本機適合布匹脫水使用。
  12. Electronic no - grade timing, automatic constant temperature, alternating current ( ac ) contactor controlling, direct spray cooling machine, hot air machine which can be adjusted 1 - 3 gear, and it is stabilization and reliable, long life and less noise

    電子無級調速，自動恆溫，交流接觸器控制，直射冷卻風機，熱風機可調1 - 3擋，穩定可靠、壽命長、低噪音。
  13. Starting from the frozen food and refrigeration principles and using comparative analysis method, we get conclusions that in the blow - frozen device, the open - mode, cold - quantity reclaim, low - press, direct - cooling air, absorbing - heat air cycle have the most significant reductions in food freeze dry cost, food hygiene, devices delicate, organizating air stream, non - electrical heat, high efficiency and safe refrigeration etc. the cold - cumulating and dryness tin is the equipment which applys the store - release characteristic of cold - cumulating stuff, ensures the higher efficiency of open - mode cold - quantity reclaim low - press direct - cooling air, shoulders conveyance of the saturated and frozen air to frozen storeroom to reduce dry cost of food and dry the cycling air to ensure safe and reliable

    從食品冷凍和製冷原理入手，用對比分析方式得到了在吹風式凍結裝置中，開式回冷低壓直接冷卻吸熱循環空氣製冷機具有最大幅度降低食品凍結乾耗、確保食品冷凍安全、系統簡單、凍結庫小巧、氣流易於組織、無電機熱量、效率較高和製冷安全等結論。蓄冷乾燥器是通過蓄冷材料的蓄?釋冷特性，來保證開式回冷低壓直接冷卻吸熱循環空氣製冷機具有較高的效率，同時蓄冷乾燥器還擔負著輸送飽和低溫空氣至凍結庫以降低食品凍結乾耗和乾燥循環空氣以確保整機安全可靠工作的主要設備。
  14. Structure characteristics of the 300mw direct air - cooling generating unit

    直接空冷機組結構特點
  15. Cleaning of direct air - cooling system of unit 1 in yungang power plant

    雲岡熱電1號機組直接空冷系統的沖洗
  16. The significance and necessity of development of direct air - cooling system are introduced, the existing problems and solutions of direct air - cooling technology are analyzed, and benefits and perspective of application of direct air - cooling are discussed

    摘要文章介紹了發展直接空冷系統的意義和必要性，直接空冷技術存在的問題和解決辦法，應用直接空冷系統的收益和發展前景。
  17. In this paper, the solar and land - atmosphere radiation rates are calculated by modtran3 model and satellite observation as well as surface data, solar direct irradiance infrared irradiance solar heating rate and infrared cooling rate were calculated from 43 samples of sunshine day and 5 samples of cloudy day 3 samples of rainy day of different latitudes in 12 stations. the paper analyzed solar heating rate and infrared cooling rate in sunshine day, the factors such as zenith angle, water vapor and latitude were found out correlating with solar heating rate and infrared cooling rate. solar heating rate and infrared cooling rate change on the same day and at the same station

    在對晴空大氣的計算中，本文對太陽的直接輻射與地氣系統的紅外輻射狀況進行了分析，並討論在不同的大氣狀況下太陽加熱率和紅外冷卻率的情況，找出與太陽加熱率和紅外冷卻率變化相關較大的因子?太陽天頂角和水汽條件、緯度；本文還進一步分析了不同緯度樣本的太陽加熱率與紅外冷卻率日變化及有雲、有雨情況下太陽加熱率和紅外冷卻率的變化情況：另外，文中通過改變二氧化碳在大氣中含量的方法，討論了它對太陽加熱率與紅外冷卻率的影響。
  18. Air - refrigeration machine will be applied to the food - refrigeration is need of environmental protection and saving energy. the air - refrigeration in open - mode, cold - quantity reclaim, low - press, direct - cooling air, absorbing - heat cycle have many characteristics to adapt to the food refrigeration requirements

    將空氣製冷機應用於食品的冷凍，是環保和節能的需要，空氣製冷的開式回冷低壓直接冷卻吸熱循環方式有許多適應于食品冷凍要求的特性。
  19. Two refrigeration methods are commonly used in cold storage warehouse : direct cooling of one unit to one house with freon, indirect cooling with glycol

    以往的冷庫中冷源有兩種方式，一種是氟利昂機組單機對單個冷庫直接製冷方式，一種是乙二醇間接製冷方式。
  20. The paper first discussed in the numerous advantages of air - refrigeration machine which manufacture low temperature with the precondition of environment - protection. and expound the research and application what focus in exerting these advantages. introduce the principles of open - mode, cold - quantity reclaim, low - press, direct - cooling air, absorbing - heat air cycle and key components of the cold - cumulating and dryness tin

    文中首先討論了空氣製冷機在環保前提下製造低溫的諸多優勢;進而闡述了以發揮其優勢為目的的研究開發和應用現狀;介紹了開式回冷低壓直接冷卻吸熱循環空氣製冷機原理和關鍵部件蓄冷乾燥器的基本工作過程。
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