管中擴散 的英文怎麼說

中文拼音 [guǎnzhōngkuòsǎn]
管中擴散 英文
pipe diffusion
  • 管 : Ⅰ名詞1 （管子） pipe; tube 2 （吹奏的樂器） wind musical instrument 3 （形狀似管的電器件） valve;...
  • 擴 : 動詞（擴大） expand; enlarge; extend
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  1. Blood contains diffusible factors that could leak out of vessels to affect neural activity, and changes to blood volume could affect the concentration of these factors

    血容量的改變能夠影響血液中的一些可擴散因子濃度，而這些因子能從血管中滲出而影響神經活性。
  2. The dispersion model, with axial dispersion only was used to describe the liquid flow in the downcomer. the model parameters were fitted by the least - squares method. it was found that the curve of dispersion model fitted the experimental rtd curve well

    本文利用一維軸向擴散模型對降液管中液體流動進行了數學描述，用時間域最小二乘法擬合了模型參數，模型方程所作曲線與rtd曲線吻合較好。
  3. The gas field in pemfc means the gas distribution in gas source, gas inlet tube ( scale of m ), gas - blower, gas manifold ( scale of cm ), channel ( scale of mm ), diffusion layer ( scale of um ), hydrophobic layer and catalyst layer ( scale of nm ). the aim of changing the scales is to make oxygen reach reaction area as evenly as possible

    Pemfc的氣場指在氣源、進氣管（分米級） 、風機、進氣箱（厘米級） 、流道（毫米級） 、擴散層（微米級） 、疏水層（亞微米級） 、催化層（納米級）中的氣體分佈，每一級尺度的變化是為了氣體的進一步均勻化。
  4. Along with the wave of information and globalization, human being society has already stepped into the knowledge society. the knowledge society is based on the production, distribution and utilization of knowledge and information. in the new era, knowledge increasingly becomes important and to be the most sinificant resource successive to land, labor and capital, which desides the business competitive advantages. for this purpose, enterpris - es have to divert their attention to the resouce of knowledge to get advantages over others in competition in the knowledge economy. in the knowledge economy society, as the dynamic source of the enterprises " innvation, knowledge has become the most scarce resource. it is up to present knowledge storage of firm whether it can catch more opportunities and ways of resource allocation, which contributes to competitive advantages. therefore, the more and the newer knowledge is grasped and invented, the more competitive advantages can be seized. furthermore, enterprises have to maintain their sustainable capability of competition on the ground of assurance that enterprises can effectively manage the process of innovation, inspiration, disseverance and application of knowledge. thus, it is the focus of scholars in the knowledge economy to find the mechanism how knowledge plays its role in business, and to make in - depth researches on the way of knowledge development diversion, dissemination and the law of knowledge

    因此，誰掌握了最新的知識，誰掌握了更多的知識，誰發明和創造了更新的知識，誰生產了包含更多知識的使用價值，誰就能在未來的競爭中取得優勢地位。進一步地，企業為實現持續競爭力，必須以知識的持續積累為條件，以對企業自身所擁有知識從發明、激活、擴散和應用整個過程的有效管理為根本保證。為此，把握知識在企業中發揮作用的微觀機理，對企業開發、轉移、擴散、利用知識的方式和知識管理規律進行深入研究，成為知識經濟時代學者們關注的熱門前沿。
  5. On the basis of the safety system engineering theory. applying the dow fire & explosion index and the normal stability gauss mathematical diffusion model etc., combining with the practice of mouping port, the hazards during the handling and storage of liquid chemicals in bulk have been analyzed and the risks of fire explosion and leakage ( including water pollution and water pollution ) have been assessed. taking into account of insufficient consideration of the human factor in the dow fire & explosion index, the soft compensation coefficient has been raised

    本文以安全系統工程為理論基礎，運用道氏火災爆炸指數法、平均運動方程組以及常穩態高斯數學擴散模型，結合牟平港散化運輸、裝卸的實際，對牟平港散化儲運的火災爆炸危險性和毒物泄漏危險性（包括水污染性和大氣污染性）進行了定性和定量的分析評價。在評價程序上，針對道氏火災爆炸指數法中對人為因素和管理水平等考慮不足的問題，提出了軟補償系數的概念，找出了散化碼頭日常監督管理工作的重點。
  6. Therefore, the administration continues to maintain a system of dual - use controls, including on china, that focuses on evaluating the appropriateness of the proposed export to the civil needs of the end - user and the risk of diversion. the commerce department under the ear maintains dual - use controls that include china in the following areas of proliferation and military concern ; national security ( ns ), nuclear nonproliferation ( np ), missile technology ( mt ), and chemical and biological weapons ( cb )

    美國商務部根據《出口管理條例》 （ ear ）在以下涉及擴散和軍事問題的領域對兩用品實施管制，其中包括對中國；國家安全（ ns ） 、核不擴散（ np ） 、導彈技術（ mt ）和化學及生物武器（ cb ） 。涉及國家安全的管制特別提出廣泛審議的政策，如向中國的某項出口對電子和反潛艇戰爭、情報收集、力量推進或空中優勢有「直接或重大」作用，將拒絕核準。
  7. Our policy on export controls to china, as in the case of export controls more generally, must continue to balance national security concerns and other foreign policy concerns with economic concerns. u. s. export control policy on china allows us to implement stringent sanctions on end - users of concern and prohibit specific military - or proliferation - related exports, relying on the u. s. government s thorough reviews of applications and the extensive license conditions imposed to take national security concerns into account

    美國管制對中國出口的政策使我們能夠對涉案的終端用戶進行嚴厲制裁，並禁止與軍事或與擴散有關的特定項目出口，美國政府為此需全面徹底地審核出口申請和為國家安全考慮而規定的獲得許可證的廣泛條件。
  8. The vascular changes interfere with diffusion of nutrients from plasma into adjacent perivascular tissue and cells.

    這些血管變化干擾了營養物質從血漿中向血管周圍鄰接的組織和細胞擴散。
  9. Laser induced diffusion is performed within a non - homogenous 4 - d temperature field, which is different with the normal closed - ampoule diffusion in a homogenous and steady temperature field

    與常規閉管擴散的均勻恆定溫度場不同，激光誘導擴散是在四維（ x ， y ， z ， t ）非均勻溫度場中進行。
  10. 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。
  11. Chapter five introduces the detail technics process of synthesis of carbon nanotubes by using liquid - hydrocarbon diffusion flame. chapter six discusses and analyzes the effects of every technics paramenters on the nanotubes produced by using liquid - hydrocarbon diffusion flame. chapter seven analyzes the sem and tem micro - appearances of the nanotubes produced by liquid - hydrocarbon diffusion flame and draws the conclusion of the nanotubes " cluster growth mechanism. chapter eight analyzes the sem and tem micro - appearances of the nanofibes produced by liquid - hydrocarbon diffusion flame, and considers that the growth mechanism of nanotubes and nanofibers is different

    第六章討論和分析了液態碳氫化合物燃料擴散火焰法制備碳納米管時具體各項工藝參數的影響。第七章分析了擴散火焰法制備碳納米管的sem形貌和tem形貌，歸納出碳納米管團簇生長的規律。第八章對六種基板材料在擴散火焰中制備出的碳納米纖維的sem形貌和tem形貌作了分析討論，認為擴散火焰法制備碳納米管和碳納米纖維的形成機理不同。
  12. The results indicate that ( 1 ) faults are predominant pathways for oil and gas migration in the dina 2 struc - ture ; ( 2 ) the pressure released zones are available for oil and gas migration ; ( 3 ) capillary and buoyancy play an important role in sandstone with similar permeability ; ( 4 ) hydrocarbon migrates always along the predominant pathways, such as faults and associated sandstone in both sides ; ( 5 ) pathways of oil and gas migration have the nature of succession, such as oil driving water and following gas driving oil

    通過模擬實驗，揭示： （ 1 ）斷層是迪那2構造中油氣運移的主要通道； （ 2 ）泄壓區是油氣運移的有利指向區； （ 3 ）毛管力及浮力在滲透性相近的砂巖中起重要作用； （ 4 ）油氣咩是選擇優勢通道運移，在沿斷層運移的同時，也向兩側砂體中擴散； （ 5 ）油驅水之後的氣驅油運移通道具有繼承性的特點。
  13. Through the pneumatic experiment of resemble model, it was discovered the fact that the flow speed was 1. 34 times faster than the natural wind speed at 565mm to the entrance section ( 37. 8 % of the length of diffuser in axial spacing ), and flux energy increased to 2. 41 times of the same area

    在相似模型的氣動特性實驗中，發現了在距相似模型入口565mm處（擴散管軸向長度的37 . 8 %處） ，氣流流速是前方相同面積來流風速的1 . 34倍，氣流動能增至前方相同面積來流風能的2 . 41倍。
  14. Part two : organizing strategy of cooperative learning in implementation of new mathematical curriculum this part analyzes the problem in the process of implementing of cooperative learning in new mathematical curriculum by observing in classroom and studying case. six problems is : ( 1 ) the group activity stay on the formal, and lack the material cooperation ( 2 ) individual duty diffuse, " take a ride " phenomenon have the occurrence ; ( 3 ) student social intercourse technical lack. ( 4 ) no change in teacher ' s role, lacking guidance to student ; ? ividing group difficultly for big class formation, fulling of too much noisy in classroom ; ? valuation system is not well, group cooperation exist in name only, provides six suggestions for these problems : ( 1 ) dividing group scientificly and vividly ; ( 2 ) leading student active cooperative learning ; ( 3 ) increasing the individual duty ; ( 4 ) cultivating students " cooperative method and social intercours technical ; ( 5 ) enhancing management in classroom ; ( 6 ) handling a few relations rightly ; finally, puts forward the principle and program of orgnizing cooperative learning in new mathematical curriculum

    二、新數學課程實施中合作學習的組織策略本部分在對實驗區數學課堂觀察和個案研究的基礎上，分析得出了新數學課程實施中合作學習存在的6個問題：小組活動留于形式，缺乏實質性合作；個體責任擴散， 「搭車」現象時有發生；學生社交技能欠缺，合作效率低下；教師對自己角色轉變認識不清，指導作用沒有跟上；大班額分組困難，課堂過于喧嘩混亂；評價體系沒有跟上，小組合作名存實亡。針對這些問題，對新數學課程實施中開展合作學習提出了6方面建議：科學靈活地分組；引導學生主動合作學習；提高個體責任：重視對學生合作方法、社交技能的培養；加強合作學習中課堂管理；正確處理幾對關系。最後提出了新數學課程實施中合作學習的組織的原則和組織序列。
  15. With the scale extending, the enterprise organization has changed from orderliness to chaos in the evolution process. so it is important for the sustainable development of enterprise to lead in organizational innovation which can make enterprise to create effective energy, absorb the negative entropy, reduce positive entropy and accelerate the formation of managerial dissipative structure

    企業組織在發展過程中隨著規模的擴大，其軌跡呈現出從有序到無序的內在演變過程，因而通過組織創新引導企業不斷創造有效能、吸收負熵流、減少正熵流、促進管理耗散結構的形成，對推動企業可持續發展尤為重要。
  16. The mt - control includes a policy of denial for items deemed to make a " material contribution " to missile proliferation ; various restraint and denial criteria also are required by u. s. commitments under the missile technology control regime ( mtcr )

    涉及導彈技術的管制包含拒絕向中國出口被認為對導彈擴散有「實質性幫助」的項目的政策；美國對導彈技術控制制度（ mtcr ）的承諾還要求制定各種方式的限制和拒絕出口的標準。
  17. In recent years, by use of the characters including high - penetration ability of ga in sio2, small diffusion stress in si, large diffusion efficiency and large solid - solubility, open - tube ga - diffusion technology in sio2 / si system was realized

    近年來，巧妙地利用ga具有強穿透sio _ 2的能力，在si中具有擴散應力小、擴散系數大、固溶度較大等特點，實現了開管sio _ 2 si系下的擴散。
  18. In addition, agencies involved in dual - use export control have placed a number of end - users of concern ( including chinese end - users ) on the commerce department entity list because of an unacceptable risk that items going to these entities would be used in, or diverted to, proliferation activities

    此外，涉及兩用品出口管制的機構已經在商務部的實體名單上登入一些受到注意的終端用戶（包括中國的終端用戶） ，因進入這些實體的項目具有被用於、或轉用於擴散活動的不可接受的危險。
  19. Abstract : the paper presents a theoretical study on the thermal conductivity of frost formation on cooled flat plate under forced convection. taking the porous meditum as a physical model of frost layer, according to the theories of heat and mass transfer, the formula on heat conductivty of frost formation is derived

    文摘:研究水蒸汽凝華結霜過程在冷壁上形成的霜層的導熱系數，依據隨機管子多孔介質霜層模型，假設霜層是由孔隙空間與冰晶骨架構成的多孔介質，其中孔隙空間由隨機毛細管及連接管子的接頭形成，濕空氣中的水蒸汽在霜層的孔隙空間中擴散輸運並凝華結霜，根據傳熱傳質學理論，導出霜層導熱系數關系式。
  20. It must be the ideal operation apparatus in surgical stomatology and ophthalmological department, e. n. t dermatological, gynaecolagical and brain surgical department

    可用作手術中封閉腫瘤組織血管淋巴腺減少流血，可有效防止腫瘤擴散和引起新腫瘤的可能性。
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