膜擴散法 的英文怎麼說
中文拼音 [mókuòsǎnfǎ]
膜擴散法
英文
barrier diffusion method-
Constructing quantitative model with ordinary differential equations for the cell - cycle control system, it is appropriate to use ordinary differential equations ( odes ), because molecular diffusion, transcription, translation and membrane transport seem to be fast ( a matter of seconds ) compared with the duration of the cell cycle ( hours ). spatial localization of reactions can be handled by compart - mental modelling, in the spirit of pharmacokinetics
對于這樣的細胞周期控制系統，應用常微分方程是適合的，因為比起細胞周期的時間（以小時計）來，分子擴散，轉錄，翻譯和膜運輸是很快的（以秒計應用藥物動力學的區域化模型的方法，可以處理反應的空間分佈。Interfacial atoms diffusion or covalence by a circulated - argon ion bombardment process could improve the adhesion strength between the coatings and the uranium substrate
循環氬離子轟擊鍍方法可促進使膜-基界面原子間的擴散或鍵合，有利於提高膜-基結合強度。Testing methods for diffusive flow through membrane filters
薄膜濾器擴散流量的測試方法A monte - carlo method has been developed for simulating the growth of epitaxy flims. the program was compiled using turbo basic language. the influence of growth rate and temperature on surface morphology was studied. the model we used was an advanced diffusion limited aggregation ( dla ) model. the process of deposition and diffusion were considered in this model
本文利用montecarlo方法，結合薄膜生長理論，採用turbobasic語言編寫程序，對外延薄膜的生長過程進行了模擬。所用的模型為改進的擴散有限聚集模型（ dla ） ，研究了薄膜生長過程中沉積速率和襯底溫度對表面形貌的影響。Nuclear particle track - etched anti - counterfeit marking is a new weapon against fake products. the mark is manufactured by intricate high technology in state - controlled sensitive nuclear facilities which ensures that the mark can not be copied. the pattern of the mark is characterized by its permeability, and can be distinguished from fakes by using a transparent liquid ( e. g. water ), colored pen or chemical reagent. the technique has passed the official health safety examination and poses no danger of nuclear irradiation
用核粒子照射塑料薄膜形成徑跡，再經化學試劑蝕刻和成像技術，得到由微米級微孔組成的圖案.這種圖案具有物質透過特性.用這種方法生產的核徑跡防偽標志，具備核尖端技術不易擴散，製作設備不易得到，產品用其他方法難以偽造，防偽識別簡單、快速、可靠等特點.此種標志已經通過放射性安全檢測，可以用於各種商品（包括食品）的包裝To measure the thin film ' s diffusivity a testing system based on the ac * calorimetric method is set up, in which a laser source is used to heat up the samples
根據交流量熱法原理，構建了一個測量薄膜熱擴散率的測試系統。在該系統中，用超短脈寬的激光作為熱源。Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of alkaline fuel cell ( afc ) and pemfc have been expressed with the tffa model, including oxygen transferring in gas channel of gas diffusion layer and reaction layer, oxygen dissolution and diffusion in thin - film of reaction layer, oxygen reaction and diffusion in flooded - agglomerate of reaction layer and the conduction of electron and ion. numeric algorithm of the model equations is also obtained
本文將tffa模型應用於堿性燃料電池（ afc ）和質子交換膜燃料電池（ pemfc ）陰極，推導出陰極各種傳遞和反應過程的描述方程，包括氧氣在氣體擴散層和反應層氣體通道中的擴散，氧氣在反應層薄膜中的溶解和擴散，氧在反應層浸漬聚集體中的反應和擴散以及電子和離子的傳導，並給出方程的數值解法。In the thesis, we proposed a random lattice model of mea the lattice model randomly occupied by three kinds of particles, pt / c, nafion and ptfe ( poly - tetra - fluoro - ethylene ), was generated on a computer by the means of monte carlo method. it was supposed that current was only produced on those catalysts which have not only channels of electrons via carbon but also have channels of proton via nafion. the purpose of the work, in a word, is to find how many catalysts, pt / c, with such a two - types channels
本文首先建立了質子交換膜燃料電池的膜電極的隨機方格子模型，在電極模型各格點位置用montecarlo方法生成隨機分佈的電極粒子、 nafion粒子和聚四氟乙烯團粒，認為只有那些既有質子傳輸通道，又有連續的電子通道和氣體擴散通道的胞元才產生有效的電流，而其餘胞元不產生電流，把電極的輸出電流轉化成一個概率事件。With regard to the analysis on the plastic machinery market, it is impossible to make accurate statistics on its sales structure because the plastic mechanical products have a large quantity of kinds. generally, the injecting machines are sold more in the south ; plastic film equipment sets are distributed mainly in shangdong, hebei, and inland regions where water is in short supply ; and manglers are distributed mainly in foshan of guangdong
塑料機械的市場分析由於塑料機械產品門類很多，其銷量結構無法定量統計，總體上講，塑機的主要消費市場，注射機在南方的銷量較大，並逐步向我國北方擴散地膜機主要集中在山東河北和內陸缺水地區壓延機集中在廣東佛山一帶。Cavity - embrane method was adopted to study oxygen and ion penetration capabilities of organic modified hydrogel material, and the oxygen penetration mechanism and ion diffusing mechanism were discussed too
採用腔膜法對水凝膠軟接觸透鏡材料的氧氣滲透性能和離子滲透性能進行研究，並探討了水凝膠材料的氧氣透過機理和離子擴散機理。The results show that the chemical composition of substrate surface and the heat - treatment regime are the major influencing factors on the formation of silver nanoparticles. during the heat - treatment, sn2 + in the bottom face of the float glasses reduce ag + to ag ? which is the key to form silver nanoparticles
結果表明，在樣品的熱處理過程中，浮法玻璃下表面的sn ~ （ 2 + ）將ag ~ +還原成ag ~ 0 ，這是銀粒子形成的關鍵；基片中的na ~ +與復合膜中的ag ~ +互擴散促進了銀納米子的形成。This part emphasizes the synthesis of nanoarrays, aiming at controlling the size and distance of nanocrystallites using calixarene derivatives by altering the size, length and chemical structure of the organic molecules ; 2. this part emphasizes in situ synthesis strategy for fabrication of polymer network of zns based nanopowder, aiming at size controls, coating and preventing agglomeration following " one - pot " synthesis ; this method fits to low cost, large scale production ; 3. according to development in zno nanomaterials, we first report on the synthesis, characterization of amorphous zno, aiming at describing the principles and approaches of synthesis techniques, optical properties, spatial structure and doped effect ; the amorphous zno displays cage - like structure, showing a strong ultraviolet emission while the visible emission is nearly fully quenched, a potential uv - emission material ; 4
本論文以量子結構自組裝為出發點，提出利用杯芳烴及其衍生物的化學受限反應實現尺寸可調半導體納米粒子自組裝；提出有機聚合網路原位組裝zns基納米熒光粉方法，把熒光粉的納米化、包敷、防團聚在「一鍋」反應中完成，適于低成本，批量生產；根據當前zno的研究情況，我們首次合成了非晶zno ，研究了它的光學性質，確定了它的結構，並對其摻雜進行了初步的研究，非晶zno表現出強的深紫外發光特性，而可見發射非常弱，是一種有巨大潛在應用價值的深紫外發光材料；利用非晶zno的亞穩特性，對晶化過程中非晶zno納米晶zno三維受限量子結構特性，界面特性進行了深入的研究；利用固相熱分解一般受擴散控制特性，實現了尺寸可控的zno三維量子結構的自組裝；利用非晶zno的高度分散性，容易均勻成膜特性，實現了非晶籽晶誘導低溫液相外延自組裝生長高取向zno晶體薄膜。The performance of liquid dmfc is evaluated as a function of the composition and structure of meas, hot - pressing condition and activation process by means of v - i polarization and ac impedance spectrometry
本研究採用電流電壓極化曲線和交流阻抗譜方法，對膜電極的熱壓條件、擴散層和催化劑層的組成與結構、電極活化過程等因素對液體進料dmfc性能的影響進行了全面的研究。In succession, tini thin film is deposited on single - crystal silicon substrate using optimized parameters utilizing sputtering, and its transformation temperature ( a * ) is 72 ? indicated by dsc curve after being annealed in an ultra - high vacuum ( uhv ) chamber. in addition, the composition of the silicon - based tini film was analyzed by an energy dispersive x - ray spectroscopy ( eds ), and the ti content in the film is approximately 51at %
按照改進的工藝參數，在單晶硅襯底上濺射-淀積了tini薄膜，並進行了超高真空退火， dsc法測得其馬氏體逆相變峰值溫度為72 ，利用能譜分析（ eds ）技術測得其ti含量約為51at ，通過對非晶tini薄膜與單晶硅襯底之間的界面進行eds及x射線衍射（ xrd ）分析，發現在用大功率（ 2000w ）直流磁控濺射法制備tini薄膜過程中，存在ti 、 ni與si的雙向擴散，發生了界面反應，並有三元化合物ni _ 3ti _ 2si生成。A novel anticoagulative biomaterial which was prepared from modified graphite oxide and silicone rubber through solution intercalated reaction was synthesized, the excellent properties of the new type nanocomposites, such as good mechanical strength and blood compatibility, have been characterized by xrd, mechanical properties, adhesion of blood platelet test and the heparin release rate test
摘要利用溶液插層法合成了新型的硅橡膠氧化石墨十八烷基二甲基2 -羥乙基溴化銨肝素納米抗凝血復合膜材料，並通過機械性能測試、 x射線衍射、血小板黏附試驗和肝素擴散速率測定實驗對復合膜材料的力學性能和血液相容性進行了表徵。Barrier diffusion method
膜擴散法By varying mo - to - si ratio ( ), stress in multilayers - can be compensated to a certian extent / and 13mpa low - stress mo / si multilayers is fabricated. this research is supported by the national natural science foundation of china and " 863 " project of china and innovation foundation of china academy of sciences
實驗發現，通過改變多層膜兩種材料的比率、改變ar氣工作氣壓等方法，可以在一定程度上補償因貫穿擴散產生的壓應力，而採用同時改變比率和ar氣工作氣壓可以控制多層膜中殘余應力。分享友人