相互擴散 的英文怎麼說
中文拼音 [xiānghùkuòsǎn]
相互擴散
英文
interdiffusion-
Such factors as product trade, factor mobility, knowledge diffusion and technological diffusion make anfractuous relation lie in the system. so region is mutual related, not isolated. the economic growth of one region depends on not only its element devotion, but also growth traces of other regions
但是,區域經濟是一個開放的系統,產品貿易、要素流動、知識和技術擴散等因素使得這些系統之間存在著錯綜復雜的聯系,這決定了區域經濟體之間不是孤立存在而是相互聯系的,一個區域經濟的增長不僅依賴于本身基礎和要素的投入也依賴于其它的區域增長的軌跡。It is suggested that the introduction of ethanol as solvent not only decrease the viscosity of composites allowing the easy mass transfer of resin and curing agent during curing, but also weakens the intermolecular interaction of novolac resin resulting better miscibility of resin and clay
研究表明,乙醇的加入可以減小體系的級度,利於酚醛樹脂和固化劑擴散到粘土層間;同時又減弱了酚醛樹脂自身的相互作用,改善了酚醛和粘土的相容性。This article points out that zhengzhou cantonal space structure should change from single - central, circling expanding to multi - central, separated conglomeration, forming tufty space structure pattern linked by information network, communication network and green belt
認為鄭州市區空間結構應改變以往單中心圈層擴展的發展模式,向多中心、分散組團式轉變,形成以信息網、交通網和綠化帶相互連接的簇團式空間結構模式。It allows the execution of a workflow instance to be governed by more than one server so as to achieve availability, scalability, reliability and efficiency
採用分散式策略將工作流系統功能離散化或模塊化,通過各個模塊間的相互協調工作,實現預定功能,其優點在於能適應大吞吐量的要求、可擴展性高、可靠性強。Although a dual - mode scramjet ' s configuration is simple and mainly consists of inlet, combustor and wake nozzle, its working process is complicated, especially in the combustor, involving a lot of subjects, including hypersonic aerodynamics, combustion chemistry, etc. the inner flow of a combustor is three - dimensional and complicated, including the interaction of shock wave, deflagration, vortex and boundary layer, and so on
它涉及到高超聲速空氣動力學、燃燒化學、擴散傳質等多門學科;其內部的實際流動是復雜的三維流動過程,充滿著激波、膨脹波、燃燒波、各種渦系、附面層及其相互之間的干擾,因此,燃燒室問題是整個發動機研究的關鍵所在。Generally, the membrane thickness is much larger than the pore dimension. therefore, the resistance of the pore channel was the control resistance of the membrane diffusion process. while the existences of the stephen diffusion and pore interaction well explained the reason why the total membrane surface would be used as the interfacial area through where the mass transport took place
盡管由於膜的厚度比孔的尺寸要大很多, stephen擴散以及孔之間的相互作用對通過膜的總擴散阻力影響很小,但它們存在的結果是使整個膜表面的氣體濃度趨於一致。We obtained the uniform data distribution from discrete data points by inserting spatial dots and then set up digital elevation model ( dem ) of correlative area through constructing mutual linked triangle net. the isoline graph was implemented based on this model. during the processes, we combined the technology of stratification computing when inserting special dots in fault area with the technology of stratification triangle net in fault area for dealing with thrust data
然後介紹了在本研究中構造逆斷層地質等值線的基本思路:從離散數據點結構出發,採用空間數據內插方法進行數據的均勻化,通過三角剖分構造出相互連接的三角形網路結構來建立起相關區域內的數字高程模型,利用該模型構造出相應的地質等值線圖,其中使用擴展點與斷層區的關系屬性進行斷層區分層空間插值計算處理和斷層區域的分層三角形網格化處理相結合的技術,實現逆斷層數據的處理和等值線繪制。The explosive welding specimen were also annealed in vacuum at various elevated temperature from 1000 to 1300. optic microscope, sem, tem and eds ( electron diffraction scattering ) techniques are applied to observe the microstructure and the element profiles of the welding interface and the interdiffused layer, reveal the interdiffused performance of alloy elements at elevated temperature, and analyze the structure and composition of the precipitated phases. moreover, the tensile strength of welding line with the two different techniques and various welding parameters were carried out
採用金相、掃描電鏡、透射電鏡、能譜等多種實驗手段對焊接結合層的微觀組織結構、高溫下nb - 1zr與不銹鋼合金元素的互擴散行為,形成的互擴散層的成分、金相組織和擴散層中的析出相的相組成和相結構等,都進行了較為詳細的分析,並且對在不同工藝、不同焊接參數下焊接的nb - 1zr合金和不銹鋼的焊縫做了強度實驗研究。When porous stainless steel is taken as the support, the hydrogen embrittlement can be overcome, the membrane thickness can be reduced and atomic interdiffusions of metals between the pd - ag layer and stainless steel can be prevented by using different techniques
將多孔不?鋼作為載體時,利用不同的技術能克服氫的脆化作用,減少鈀膜厚度以及防止鈀銀層與不?鋼間金屬原子的相互擴散。Finally, the mutual spreading between the sample zone and the carrier solution in flow injection analysis ( fia ), would always result in the sample zone ' s widening and reducing the sensitivity
最後,流動注射分析中載流溶液與樣品的相互擴散會導致樣品區變寬而降低靈敏度。用空氣作載流就沒有擴散,靈敏度極高。The maximal power outputs of 37. 0 mw / cm2 and 30. 0 mw / cm2 for the p - and n - type laminated materials respectively at the temperature difference 490 have been experimentally obtained, which are about 2. 5 and 3. 0 times those of - fesi2. chemical analyses show that the interface failure between the bridge alloy and the semiconductor bi2te3 results mainly from the eutectic mixtures with low melting point and brittle compounds formed during welding and long time annealing at 190. it is found that the electrical properties of a laminated structure are mainly controlled by the wettability of the bridge alloy on the semiconductor surface
發現: 1 )疊層材料具有明顯優于均質材料的熱電性能,在490溫差下, p -型和n -型疊層材料的最大輸出功率分別達到37 . 0和30 . 0 ( mw / cm ~ 2 ) ,是同類型均質- fesi _ 2的2 . 5和3倍; 2 )在焊接過程和190長時間退火處理過程中,焊接過渡層合金和基體半導體(特別是bi _ 2te _ 3 )之間存在明顯的元素相互擴散,從而在過渡層中形成一些低熔點共晶體和脆性化合物,這是導致疊層材料破壞的主要原因; 3 )焊接過渡層合金與半導體基體之間的潤濕性是影響界面層電性能的主要因素。Having been treated at variable temperature in atmosphere, we can get the conclusions : ( 1 ) treated at 300, there are little diffusion coefficients between cu and cr ; ( 2 ) treated over 500, cr and cu diffuse into each other evidently. cu film oxidizes and there are cracks in cr film
得到以下結論:在300oc處理溫度下, cr 、 cu之間的相互擴散小, cr膜緻密, cu膜沒有顯著的氧化,能夠滿足薄膜導帶的要求;但是升高溫度至500oc以上, cr 、 cu膜之間的擴散加劇, cr膜表面出現裂紋, cu膜被氧化。The drug content of these nanoparticles is controlled by reducing the diffusion of the drug from the organic to the aqueous phase during the solvent evaporation stage of the preparation and by increasing the drug ? polymer interactions
通過減少制備過程中溶劑揮發時藥物從有機相向水相的擴散及通過增加藥物-聚合物間相互作用來控制納米粒的載藥量。It was found that the interfacial bonding of 93w - ofc was both the joining action of ofc / w grains and that of ofc / ni - fe binders, whereas the joining of ofc to tc4 could be seen as the mutual intense diffusion effect between ofc / tc4 and as a result cu - ti intermetallic compounds were formed at the joint. the joining of tc4 - a1 and a1 - mb2 were also attributed to the result of diffusion between elements ti - al and al - mg respectively. on the other hand, residual thermal stress and stress - induced distortion were produced at the joint simultaneously due to the difference in thermal expansion coefficient of different welding " materials
研究表明, 93w與ofc的界面連接是ofc與93w中w晶粒的連接以及ofc與93w中ni - fe粘接劑的連接共同作用的結果; ofc與tc _ 4連接界面的形成是由於ofc與tc _ 4之間發生反應擴散,並由此在二者接頭處生成了cu - ti金屬間化合物的中間相; tc _ 4 - al的連接與al - mb _ 2的連接則分別是其基體元素ti 、 al之間和al 、 mg之間元素互擴散的結果,另外,由於熱膨脹系數的差異,擴散焊接后在不同焊件的接頭處存在殘余熱應力並由此引起接頭的形變。The analysis results show that the mother band and solidified layer are bonded through the transition layer formed by element diffusion
經分析得知母帶與凝固層的界面結合是靠元素相互擴散形成過渡區實現的。The results show that steel / aluminum composite structure with good property can be obtained by the iron finite solution in liquid aluminum alloy and iron - aluminum mutual diffusion in the interface under the condition of effective technology and composition of aluminum alloy
結果表明,在良好的工藝及鋁合金成分的條件下,利用鋼中的鐵向液態鋁合金中的有限溶解及鐵和鋁在界面處的相互擴散,可得到性能良好的鋼與鋁復合結構。There are documents that showed two instable patches can reach stability by diffusion. delay is generally exists in the nature. and it has different impacts on different models. while both delay and diffusion exist at the same time. so single species nonautonomous delay diffusion model. i. e
已有文獻表明兩個不穩定的斑塊體系可以通過相互擴散而達到種群的持續生存。另一方面,時滯現象在自然界中是普遍存在的對于不同的模型,時滯對其穩定性的影響也是不同的。In the interdiffused layer the diffused length of nb - 1zr alloy elements is longer than that of stainless steel elements, the diffused length of ni is the longest. there are a mass of needle shape precipitated phases in the interdiffused layers formed by 1300 annealing, which are determined to be a metastable cph - ( nb, ni ) by sadp method
通過對真空退火形成的互擴散層的金相和成分分佈分析可以發現,不銹鋼元素中ni元素在nb合金中的擴散速度最快, fe 、 cr元素次之;而nb元素向不銹鋼中的擴散距離要比不銹鋼元素向nb合金中的擴散要深得多。In order to suppress the formation of silicide interfacial layer, a zro2 thin film was deposited as a barrier layer between hfo2 and si. the samples with barrier layer exhibited better leakage and c - v character than the directly deposited ones
作為阻擋層抑制hf和a的互擴散反應,減小了界面層厚度,並提高了界面層的氧化效率,與無阻檔層的樣品相比電學性能得到了顯著的提高。It is found that, the sintering process of w - ni - fe - cu alloy was a typical liquid - phase process, which including particle rearrangement stage, dissolving - precipitation stage and solid - phase sintering stage. cu plays an important role in the particle rearrangement stage, while fe can promote the densification by forming ni - fe - w bonding - phase. ni can not only form the bonding - phase, but also enhance the diffusion between the w grains
研究表明, w - ni - fe - cu合金的液相燒結緻密化經歷了顆粒重排、溶解-析出和固相燒結等三個階段, cu僅在顆粒重排階段起主導作用; fe主要在溶解-析出階段通過形成ni - fe - w三元粘結相來促進w合金的燒結緻密; ni不僅參與形成ni - fe - w三元粘結相,並且在w晶界上通過與w的互擴散促進了固相w晶粒的粘合。分享友人