膜質子傳導 的英文怎麼說
中文拼音 [mózhízizhuàndǎo]
膜質子傳導
英文
membrane proton conduction- 膜 : 名詞1. [生物學] (像薄皮的組織) membrane 2. (像膜的薄皮) film; thin coating
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 傳 : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
- 導 : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
- 質子 : [物理學] proton; uron; hydrion; merron質子泵 proton pump; 質子層 proton sphere; 質子轟擊 proton b...
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Indium stannum oxide ( ito ) as semiconductor have caused a great deal of interest due to their prominent electro - optical behavior. ito has high prominent transmittance, high infrared reflectance, good electrical conductivity, ito applied as gas sensors, photovoltaic devices, heat reflecting mirrors, solar cells, flat panel displays, liquid crystal displays, electroluminescent, devices and organic light - emitting diodes ( oled ) etc. although preparations and applications of ito films have been studied deeply. nano - ito composites hardly studied
氧化銦錫( ito )是一種高簡並的n型半導體,由於具有導電性,可見光高透過率,紅外反射性,穩定的化學性,被廣泛應用於熱反射建築玻璃、抗靜電塗層,太陽能電池,熱發射鏡,平板顯示器和液晶顯示屏,傳感器,有機光致二級管( oled )等方面,國內外對高質量的ito薄膜的制備和應用進行了深入的研究,但是很少有ito納米粒子與高分子材料復合的報道。Perovskite - type complex oxides of la1 - xsrxga1 - ymgyo3 compositions are characteristic of superior intermediate temperature oxide - ion conductivity and chemical stability, which are expected to be used in solid oxide fuel cells, sensors, electrocatalysis, membrane separators and membrane reactors. they have highly promising prospects in energy, metallurgy, chemical engineering and environmental protection, etc. in this dissertation, improved embeded sintering method has been employed to prepare la0. 8sr0. 2ga1 - ymgyo3 ( lsgm ) electrolyte, and the contributing factors to preparation, microstructure characteristics, conduction properties and thermology properties of lsgm electrolyte have been investigated
鈣鈦礦結構la _ ( 1 - x ) sr _ xga _ ( 1 - y ) mg _ yo _ 3復合氧化物具有優異的中溫離子導電特性和化學穩定性,作為固體電解質可用於固體氧化物燃料電池、傳感器、電催化、膜分離和膜反應器等,在能源、冶金、化工、環保等領域具有廣泛的應用前景。Al - doped zno thin films are emerging as an alternative potential candidate for ito flims recently. al doped zno thin films also can obtain a tunable band gap. especially, zno : al thin films with high c - axis orientated crystalline structure along ( 002 ) plane are potential device applications in broadband ultra - violet
Al摻雜的zno薄膜不僅具有與傳統ito薄膜相比擬的光電性質,而且原材料豐富、價格低、無毒、沉積溫度低、熱穩定性高,在氫等離子體環境中具有很高的化學穩定性,不易導致太陽能電池材料活性降低。The hwtx - i gene was chemically synthesized according to its known cdna sequence, the gene was inserted into vector ppic9k which contained aoxj promotor and the sequence of a secreting signal peptide - a - factor, the cloning ppic9k / hwtx - i was constructed and confirmed by two - step pcr and dna sequence analysis, then it was transformed into host strain gs115, a his + muts cell line was screened and multicopy transformants were screened by various g418 concentrations, the multicopy transformant was named gh1. gh1 was cultivated in flasks. after 6 days of induction by 0. 5 % methanol, the supernatant was checked by 16. 5 % tricine - sds page, which showed there was a band in the position of 3. 5 - 6. 1kd, then it was isolated and desalted by ultrofiltration followed by ion exchange of cm column, after reverse phase hplc of ci8 and vacuum drying, the purified rhwtx - 1 was obtained which was proved to be correct recombinant hwtx - i by tricine sds - page, maldi - tof mass spectrometry, amino acid composition analysis, the n - terminal amino acid sequence and its biological activity, the final field of the purified rhwtx - i was about 80mg / l, accounting for 23. 6 % of it total secretory proteins
將帶有hwtx -基因的ppic9k經blgii線性化后,轉化酵母宿主菌gs115原生質體后經篩選陽性克隆並經表型鑒定為his ~ + mut ~ s酵母菌,進一步用遺傳毒素g418篩選多拷貝的轉化菌株,命名為gh1 ;將gh1甲醇酵母菌用0 . 5的甲醇誘導表達,發酵上清經90飽和度的( nh _ 4 ) _ 2so _ 4沉澱, yw - 3 ( mwc03000 )的超濾膜超濾,再經cm陽離子交換, c _ ( 18 )反相hplc純化得到分子量為4kd左右的組分,其中4289 . 05的組分經質譜鑒定,氨基酸組成分析和序列測定為正確的表達產物,生物學活性表明其活性為天然毒素活性70 % ,表達量為80mg / l 。The membrane properties were found to be dependent upon the content of styrene. the membrane physic - chemical properties compare to nafion 117 except that their chemical stability has to be further improved to make them acceptable for practical use in the proton exchange membrane fuel cell. the proton transport through the membrane follows the " liquid - like " proton conductivity mechanism y and the water balance is important for the working condition of the fuel cell
對磺化膜的研究分析表明:膜的性能參數如離子交換容量、吸水率、水合系數、形體穩定性、導電性能、化學與熱穩定性等依賴于膜中苯乙烯含量,且接枝苯乙烯相互間的位阻效應對膜性能影響很大;膜的性能可與nafion膜相比較;質子在膜中的傳導遵循「似液體」質子傳導機理;電滲析與擴散作用使膜保持水平衡。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。Membrane proton conduction
膜質子傳導The properties of the membranes such as proton conductivity, water uptake, swelling degree and thermal stability were measured. results show that the sulfonated sbs membranes had good proton conductivity, at the same time, the water uptake and the swelling degree could meet the need of fuel cell
通過對不同磺化度的質子交換膜的電性能、吸水率、溶脹率以及熱穩定性等性能進行了研究,表明磺化sbs膜具有了比較好的質子傳導能力,吸水率與溶脹率也能滿足燃料電池的工作需求。Most of mapk upstream molecules are the molecular marker of the receptivity of endometrium during implantation period, for instance, evidence suggests egf and its receptor egfr may play a role in rendering the endometrium receptive to embryo implantation. the temporal and spatial expression of ley oligosaccharide in the uterus suggests that this factor may be involved in cell - cell communication between the uterus and blastocyst during implantation period
在植入期的子宮內膜, mapks的上游信號分子大多是其接受態的標志分子,如egf及其受體egfr ,可作為胚泡與子宮內膜間的信息傳遞物質,代替雌激素促進子宮上皮細胞分化、增生,誘導胚胎著床。After introducing the background and the trend of research on ppv thin film light - emitting diodes ( leds ) and the structure of ppv device and its characterizes, the theoretical model of the leds * light - emitting efficiency was presented. based on this model, the formula of light - emitting efficiency was deduced to be : the injecting - currents and the recombining - efficiencies were calculated nwnerically, we found the calculated results agreed very well with the experimental results under the electric field from 0. 5 x 106 to 1. 5 x 106v / cm, the numeral calculations and theoretical analyzes of the light - emitting efficiency were done. the conclusions were as follows : ( 1 ) the basic mechanism of the injection transportation and recombination of the carriers which were presented in this paper were proved to be right ; ( 2 ) the electroluminescence in ppv thin film is the result of exciton recombination, the light - emitting efficiency was affected by many factors
本文主要研究聚對苯乙炔( ppv )薄膜發光二極體發光效率及主要影響因素,簡單地介紹了ppv薄膜發光二極體的研究背景及發展趨勢、 ppv器件的結構和性質后,提出了一個計算器件發光效率理論模型,利用這個理論模型得出了發光效率公式的表達式:並對注入電流、復合效率等進行了數值計算,通過合理地選擇計算參數,發現計算值在場強為0 . 5 10 ~ 6 1 . 5 10 ~ 6v / cm的范圍內與實驗結果較好地符合,在此基礎上,對發光效率進行了數值計算和理論分析,結果表明:計算結果與理論研究結果相符較好,得出結論如下: ( 1 )本文的理論推導正確地反映了器件中載流子的注入、傳輸和復合等基本機制; ( 2 ) ppv薄膜中的電致發光是激子復合的結果,發光效率受多種因素影響。The investigation reveals that the performance of a mea is mainly controlled by the conductivity of membrane, load of catalyst and co2 holding in the anode, ion conductivity and specific of active area in both anode and cathode
研究表明,膜電極性能主要受質子交換膜的電導率、陽極催化劑用量、陽極co2氣體和陰極水的傳遞、催化劑層的活性比表面積和質子電導率等因素控制。Cascades are important in signaling pathways, there extracellular signals ( such as hormones or ions ) bind with receptors on the cell membrane, triggering changes in membrane proteins that activate proteins on the cytoplasmic side of the emmbrane, setting off a chain of reactions
在信號傳導通路上級聯反應起著重要的作用,細胞外的信號(激素,離子等)和細胞膜上的受體結合,引起膜蛋白的變構,進而和細胞膜上靠近細胞質的蛋白結合,引發一系列的反應。分享友人