表面熱導 的英文怎麼說

中文拼音 [biǎomiàndǎo]
表面熱導 英文
surface conductance
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  1. One major disadvantage of anodized surfaces is their very poor thermal conductivity.

    陽極化處理的一個主要缺點是它的性非常低劣。
  2. It focuses on the theory of the mineral functional materials " improving the anti - chloride permeability and the chloride binding. the main achievements of this article include : 1 ) use the technology of xrd, sem, bet, laser particle size distributor etc to test the component, the construction, particle size distributor, specific surface etc of micro - silica, ultra - fined slag, high quality fly ash, meta - kaolin clay, four types of the mineral functional material, theoretically analysis the functions which the four mineral functional minerals act on cement concrete, namely pozzolanicity effect, filling effect, micro - aggregate effect, surface adsorption effect and so bring into play the affect of plastification, lowing of temperature, reinforcement, improvement of durability. base on this analysis we can conclude that the proper diameter of the mineral functional material is 5 m - 15 m, that is blain fineness 4500cm2 / g - 7500cm2 / g

    本論文的主要成果包括以下幾個方: ( 1 )採用xrd 、 sem 、 bet 、激光粒度分析儀等多種測試手段,探明了以硅灰,超細磨粒化高爐礦渣,優質粉煤灰及偏高嶺土超細粉等4種超細礦物功能材料的組成、結構、粒度分佈、比積等基本性質;從理論上分析了礦物功能材料在混凝土中的4種效應,即火山灰效應、填充密實效應、微集料效應、吸附效應,並由此發揮出增塑、溫峰削減(降) ,增強及耐久性改善等作用;通過相關理論分析,推出礦物功能材料的合理粒徑范圍在5 m 15 m ,即勃氏比積為4500cm ~ 2 g 7500cm ~ 2 g 。
  3. Detection : carbon - sulfur analyzer, oxygen analyzer, glazing machine, rockwell ( vickers ) hardometer, profile projector, surfagauge, scan electron microscope, laser conductometer, magna - check, universal measuring instrument, metallograph and image analysis system, abrasion tester, universal test machine and other advanced analysis and detection equipment and instruments

    檢測類:碳硫分析儀、氧分析儀、試驗室用拋光機、洛(維)氏硬度計、輪廊投影儀、粗糙度測量儀、掃描電鏡、激光儀、磁力探傷機、萬能測量儀、金相顯微鏡及圖像分析系統、磨損試驗機、萬能試驗機及其它的先進的分析檢測設備和儀器等產品類。
  4. It compute the parameter of deflexion caused by thermal distortion in orbit, deduce the general expression for spreading beam after thermal distortion of reflector and the center deflexion of facula received in ccd. with the method of fixing etc, it put forward the restrain measures adopted accordingly

    計算了在軌運行條件下反射鏡變形引起的法向偏轉參數,推了鏡變形后出射光線的通用達式以及鏡變形前後在ccd探測器上的接收光斑中心偏轉量的計算達式。
  5. Series of guowei dry - method composite machines as new product are explored with our many years ' experience, the requirement of the users. the first metal of this machine is adopted with : photo - ecectricity auto. tracking " correcting deviation equipment, magnetic powder tension control. pneumatic back pressure shifting blade, oven temperature controlled qutomatically, big roll with oil heating, coating composite pneumatic control as well as double frequency governor etc. it will make the machine with fast speed, lower voice, low polluted by air, shout consumptionfor energy, stable working etc. especially suitable for al - foil with smooth surface and no enough firming, glass paper, polyester ect. the composite material with hard strength, fireproof, anti - ventilation, anti - fatty, frozen, dudrable steam etc character. it is widely used in food, pharmacy, as well as daily articles to package

    「國偉」 、系列乾式復合機,是我廠根據多年的復合機製造經驗及結合客戶需求,開發的新產品,該機第一基材採用了「光電自動跟蹤」糾偏放卷裝置,磁粉張力控制、氣動背壓移動式刮刀、烘箱溫度分段自動控制、大輥筒油加、上膠復合氣動控制及雙變頻調速技術,使該機具有復合速度快、噪聲低、空氣污染小、能耗低、運行平穩等特點,適宜於光滑的鋁箔玻璃紙聚酰胺等與聚乙烯、聚丙烯等薄膜的復合,復合薄膜具有強度高、防水、防透氣、防油脂、可冷凍、蒸煮等優點,廣泛應用冷凍食品、乾燥食品、醫藥品及日用品的包裝。
  6. Aimed at the high temperature at furnace roof and wall, great lost of body heat radiation, poor leading heating ability and long soaking time, the compound ceramic fiber coating is used to hold temperature of furnace roof and wall, make the heating loss dropped, shorten soaking time, improve heating ability and reduce evergy consumption

    摘要針對環形爐爐頂爐墻溫度高、爐體散損失大、致加能力低、待溫時間偏長的問題,選用了復合陶瓷纖維保溫塗料,使爐體散損失減少,待溫時間縮短,加能力提高,且能耗降低。
  7. Firstly, the surface characteristic of polystyrene particle is changed from water detesting to water intimity by using special techniques and admixtures so mat the compound quality with inorganic materials is insured. secondly, the contradiction between the weight and strength is solved through optimizing the particle size and using composite fiber and the best heat conductivity is achieved under the condition that the necessary strength is met. in the research process, the author solved the problem of fiber dispersing in insulating materials so that the contraction of the material is controlled

    課題研究中,首先採用特殊的改性工藝及外加劑實現對聚苯乙烯顆粒的成功改性,使其由憎水轉化為完全親水,確保與無機材料的復合質量;其次,通過採用優化骨料級配及使用復合纖維等措施解決了保溫材料的輕質與強度的矛盾,使保溫材料在滿足必要的強度的前提下,系數降至最小;並且,課題研究中成功解決了纖維在保溫材料中均勻分散的問題,達到了抑制保溫材料收縮的目的;最後,通過採用復合外加劑、合適的膠凝材料及合理的配比等措施確保該保溫材料具有良好的和易性,滿足施工的要求。
  8. Because of its good electrical conductivity, cfrc specimens will engender joule effect when a relatively low voltage was added to them. if there are flaws inside, the surface temperature distribution of the specimens should be uneven. therefore, infrared thermograph ndt can be conducted

    利用碳纖維混凝土良好的電性,通過對碳纖維混凝土試件施加較低的電壓,使其產生焦耳效應,如果試件內部存在缺陷,將在產生溫度差,從而可以利用紅外像技術進行無損檢測。
  9. Results show that the influence of mainstream reynolds numbers on heat transfer coefficience is little and the heat transfer coefficience raise with the increase of reynolds numbers. the influence of the position of holes on heat transfer coefficience is complex and correlate with the mainstream speed and the balde surface curvature. and the influence of blowing ratio on heat transfer coefficience is more great ( especially to stator ), and show a complex relation to mainstream reynolds number and the position of holes

    實驗結果明,不同孔位出流的換由於孔排下游來流速度及葉片曲率的不同而有不同的規律,而主流雷諾數對葉片特別是壓力和前緣區域的換系數比的影響較小,吹風比對換系數影響較大(特別是葉) ,並且隨氣膜孔位置和來流雷諾數的變化而情況復雜。
  10. All analysis and simulations results indicate several methods improving the insulation recovery of spark gap switch : ( 1 ) using the gas with good thermal conductivity, such as h2 and sf6 ; ( 2 ) using the gas flow ; ( 3 ) utilizing the v / p cure ; ( 4 ) modifying the geometry and size of the electrode ; ( 5 ) using the gas with good electronegativity, such as sf6. some experiments on the multi - pulse operation of high power spark gap switch are carried out. the insulation recoveries of switch without and with gas flow are both investigated

    結合理論分析和模擬結果,提出了氣體火花開關多脈沖運行特性可採用如下方法: ( 1 )使用性能好的氣體,如h2 、 sf6等; ( 2 )採用吹氣的方法; ( 3 )增大氣壓,在電極增加細小結構,構造平穩的v / p曲線; ( 4 )改良開關電極結構和尺寸,採用奶頭-半球結構的電極; ( 5 )使用電負性強的氣體作為開關絕緣氣體,如sf6 。
  11. We design and manufacture a complete line of high quality standard and custom temperature sensors including thermocouples, rtd s and thermowells as well as a wide selection of junction boxes, cable and harness assemblies. in 2004, sanjac is iso 9001 : 2000 and as9100a certified that reinforced our ability in providing excellent products for our customers

    主要產品為電偶電阻隔爆耐磨普通特殊鎧裝電偶快速接頭電偶電偶及電阻接線盒brskejt各種型號的溫度補償線等,產品種類豐富種類全。
  12. The interior temperature distribution and ablation model of projectile wing is established from general transmitting heat differential equation ; at the same time, the heat flow density and pressure distribution model of projectile wing is also established

    從一般形式的微分方程出發,逐步建立了彈翼內部溫度分佈和燒蝕的數學計算模型;與此同時,建立了彈翼流密度和壓力分佈的數學模型。
  13. In this investigation carbon black - filled electrical conductive composites of poly ( ethylene terephthalate ) / polyethylene were first prepared through the single - screw melt - blended extrusion, then drawing, followed by the quenching and subsequent press molding. the relationships among the influencing factors including composition, hot stretching ratio and compatibilizer, morphology and properties of composites were systematically investigated. positive temperature coefficients effect and crystallization behaviors of composites were preliminarily analyzed

    本文擬採用單螺桿熔融共混擠出?拉伸?淬冷的新的成型方法制備炭黑填充的pet pe復合電材料,拉伸的目的是使材料的分散相( pet相)在加工過程中原位形成纖維,而炭黑基本分散在纖維中或纖維的上,使炭黑粒子間間距減小,形成更多的電通路,從而提高材料的電性能,同時保持或提高材料的力學性能。
  14. Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical

    通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子閃絡電弧的發展過程的試驗結果進行理論分析得出:弧根周圍空氣的電離致了電弧的發展,靜電場力對電弧的發展起到了加速作用,電擊穿僅發生在閃絡最終的跳躍階段;通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電率、電弧長度及電弧半徑等參數,得到了不同階段電弧(電弧起弧階段、電弧發展階段及完全閃絡)的發展速度、臨界電弧長度均隨覆冰水電率的增加而減小。
  15. Monodispersed particles may be synthesized by thermal decomposing iron pentacarbonyl in liquid phase containing lauryl - phosphate mono - ester as the surfactant. with increasing dosage of the surfactant, the grain size of the particles decreases, as a result, the permittivity decreases and the permeability increases. the minimal permittivity and the maximal permeability occur at the diameter of about 39 nm

    以十二烷基磷酸酯為活性劑在液相中分解五羰基鐵制備了單分散的- fe納米粒子,發現隨活性劑用量增迦納米粒子粒徑減小,粒子介電常數下降,磁率上升;粒子介電常數和磁率在粒徑為39nm左右分別出現最小值和最大值。
  16. The magnitude of the maximum value, as well as the time to reach such maximum value, varies with geometry and surface heat-transfer coefficient.

    最大值的及達到此最大值的時間均隨幾何形狀和系數而變。
  17. Combining with the energy fluxes balance above fuel surface, the simulation and calculation of transient heat conduction of the pe fuel with liquid layer while melting and pyrolyzing are considered by use of the moving coordinates. the calculated regression rate of the pe fuel approximately tallies with the same kind of hybrid rocket motor test data from the abroad

    建立了pe燃料的熔化、解、模型,應用動坐標系,結合燃料環境,對具有液體層的pe燃料的熔化、解和內部瞬態過程進行了模擬計算,計算的pe燃料退移速率與國外同類試驗的測量結果符合較好。
  18. A new method is developed to predict the temperature distribution of cooling - plate with non - uniform heat load on the surfaces, meanwhile, two types of cooling - plate used in the environment control system of airplane are studied experimentally under conditions of different reynolds number of air and surface heat loads

    摘要提出了一種新的冷板簡化數學模型,把翅片摺合成系數?各向異性的等效厚度層實芯板,將冷板與空氣的對流換作?等效層的穩態問題,計算了源非均勻條件下冷板的溫度分佈。
  19. Surface - conductance model are introduced to illustrate the mechanism of the conductivity and the gas sensibility of semiconductor. we make clear the reason of the good selectivity of sno2 - based sensors is the selection of heating voltage and the pt - heater acting as catalyst

    在解釋敏感機理的時候,我們引入了模型來解釋並且搞清楚了sno _ 2元件有較好選擇性的原因是加電壓的選擇以及基片上的鉑電極起了催化劑的作用。
  20. Up to now, the total employess of company is 262, and managers or technicians are 28, engineers are 14 inside. our company has the ability to develop and produce with the advantages and machining process and heat treatment skill

    經過20多年的不懈努力,在各界領關懷和各方同仁的支持下,企業得到了長足的發展,到目前為止,企業現有員工262人,管理及技術人員28人,其中工程技術人員14人,具有較強的產品開發和生產能力、以機加及處理工藝為主。
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