結晶增長 的英文怎麼說

中文拼音 [jiējīngzēngzhǎng]
結晶增長 英文
crystal growth
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • 結晶 : 1 (析出晶體) crystallize2 (晶體) crystal 3 (成果) crystallization; fruit; product; quintess...
  1. There are many adaptive changes in the two research subjects ( artemisia. songarica schrenk. and seriphidium. santolinum ( schrenk ) polijak. ) in morphology and anatomy, such as with the increase of the daily age, the root - shoots ratio increased ; the root became stronger ; the ratio of leaf volume and leaf area increased ; the volume of epidermic cell decreased ; the cut - icle and phellem layer on the surface of root thickened. stoma caved in leaf ; epidermal hair of leaf and stem well - developed, palisde tissue developed well, the cell gap decreased ; the spongy tissue disappeared ; leaf is kinds of isolateralthat is the typical xeromorphic structure ; crystal cell and fibric cell increased ; conducting tissue and mechanical tissue developed well ; bundle sheath appeared

    實驗研究的兩種菊科( compositae )植物(準噶爾沙蒿( artemisiasongaricaschrenk )和沙漠絹蒿( seriphidiumsantolinum ( schrenk ) poljak . ) ) ,形態解剖方面的變化表現為:隨日齡加,根/株高比值日益大;根系逐漸發達;體積與葉面積比逐漸大;表皮細胞體積變小;角質層厚;根外部出現加厚的木栓層;氣孔下陷;葉、莖部的表皮毛密布,柵欄組織日益發達;而細胞間隙日漸變小;海綿組織逐漸消失;葉面構常為典型旱生構? ?等葉面;細胞及纖維細胞數目多;輸導組織、機械組織日漸發達;具有維管束鞘等等。
  2. When increasing the oxygen pressure, the rheed pattern changes to streaky one again. this rheed pattern transformation induced by the oxygen pressure is reversible. ex situ xps results indicate that the element ni of lno film deposited in the relatively low oxygen pressure with thickness below the critical value exists in the form as ni2 +, while as ni3 + in the relatively high oxygen pressure

    隨著膜厚加而超過約30nm的臨界厚度時,越來越多的格氧會移動到了薄膜表面,此時所提供的氧將使得后續生的lno膜層重新形成鈣鈦礦構,並以層狀方式外延生
  3. The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind

    研究果表明, ( a )熱處理前,隨著基片溫度的加,薄膜中的低價氧化鈦含量逐漸減少,化學計量比趨于o ti = 2 ;薄膜具有非態不緻密的柱狀纖維構,柱狀纖維的尺寸隨基片溫度的升高而加;薄膜在可見光范圍內透明,在波為35onzn時嚴重吸收,利用干涉級次法分析了薄膜的光學常數,果表明,薄膜的折射率隨基片溫度的升高而加,根據計算果得到了tioz薄膜在不同基片溫度下的折射率色散曲線。
  4. The quality of buffer layer and thin films was analyzed by afm, xrd, rheed and xps respectively. the effect of the experimental parameters such as carbonization time, working pressure, c source gas flow rate, carbonization temperature, different carbonization gas and substrate on the carbonization process was studied firstly. it was observed that the size of particles was increased with the increase of carbonization time and the rms was opposite, but the trend was reduced while the carbonization time was long enough ; the size of particles was increased with the increase of working pressure too, and choosing a proper working pressure could get a smooth surface ; the size of particles was unobviously changed while the gas flow rate was low, but it was notability increased with the increase of gas flow rate while the gas flow rate was high enough, and a smooth surface could be also obtained by choosing a proper gas flow rate ; with the increase of carbonization temperature, the size of particles was increased, the rms is decreased and a good single - crystalline carbonization layer could be obtained, but a rough surface was formed at a excessive high temperature ; the rms of

    對于碳化工藝,側重研究了碳化時間、反應室氣壓、 c源氣體的流量、碳化溫度以及不同種類的c源氣體、基片取向等因素對碳化層質量的影響,研究果表明:隨著碳化時間的,碳化層的粒尺寸隨之變大,表面粗糙度隨之降低,但當碳化到一定時間之後,碳化反應減緩,碳化層的粒尺寸以及表面粗糙度的變化幅度變小;碳化層的粒尺寸隨反應室氣壓的升高而變大,適中的反應室氣壓可得到表面比較平整的碳化層;在c源氣體的流量相對較小時,碳化層的粒尺寸隨氣體流量的變化不明顯,但當氣體流量大到一定程度時,碳化層的粒尺寸隨氣體流量的大而明顯變大,同時,適中的氣體流量得到的碳化層表面粗糙度較低;碳化溫度較低時,碳化層的粒取向不明顯,隨著碳化溫度的升高,碳化層的粒尺寸明顯變大,且有微弱的單取向出現,但取向較差,同時,適中的碳化溫度可得到表面平整的碳化層;相比于c _ 2h _ 2 ,以ch _ 4作為c源氣體時得到的碳化層表面平整得多;比起si ( 100 ) ,選用si ( 111 )作為基片生的碳化層的粒取向一致性明顯更好。
  5. The crystallization and melting behavior of mellocene - catalized branched and linear polyethylenes of low molecular weight was studied. it was found that the crystalline lattice of branched polyethylene is larger than that of linear polyethylene because of the existence of branched chains. the melting behavior of branched polyethylene is similar to that of linear polyethylene since the branched chains can not enter the lattice. however, the crystalline behavior of low molecular weight branched polyethylene is the same as that of high molecular weight linear polyethylene, but different with that of low molecular weigh linear polyethylene. kinetics theory analysis evidenced that the transition temperature of growth regime of the branched polyethylene is about 20 lower than that of linear polyethylene with the same molecular weight. it may be attributed to the existence of short branched chains

    研究了金屬茂催化的低分子量支化聚乙烯和線性聚乙烯的及熔融行為,發現支化聚乙烯的構與線性聚乙烯相同為正交構,但格略有膨脹.支鏈的存在對熔融行為影響不大,兩種聚乙烯的熔點均隨溫度的升高而非線性加,表現出低分子量樣品的共同特徵.但支鏈的存在對行為卻有很大的影響,主要是由於支鏈的存在降低了體的速率從而影響過程,使得低分子量的支化聚乙烯的行為與高分子量線性聚乙烯的行為相似而與低分子量的線性聚乙烯不同.動力學分析表明,低分子量的支化聚乙烯的方式的轉變溫度比同等分子量的線性聚乙烯降低了約20
  6. According to the i - t curves of potential step, it was revealed that electrocrystallization of ni - w - b alloy on glassy carbon followed the mechanism of instantaneous nucleation and three dimensional growth with diffusion controlled. the crystal nucleus number on the surface of electrode raised by the increase of over potential

    根據電位階躍的i t曲線分析得知,在玻摘要碳電極上ni wb合金電過程遵從擴散控制瞬時成核三維成模式進行,且隨著過電位的加,電極表面上核數多。
  7. Firstly, we analyze the character of nd : yag, bbo and lbo, for nd : yag crystal and select the nd : yag as the gain medium and lbo as doubling - frequency crystal. ln the theory, analyzing the parameter of the gain medium length, the ratio of the pump - and laser - beam waists. based on the above analysis, we design the resonance cavity

    首先,我們對益介質的性質和非線性體bbo和lbo的一些性質進行了比較,選取nd : yag作為益介質, lbo作為倍頻體。理論上分析了激光器設計中的一些參數值,如益介質度、模式交疊率、最佳倍頻條件,並根據理論分析果設計了諧振腔。
  8. Furthermore, the growth and the study of self - organized quantum dots structures become more and more important recently, and the application of self - organization technique become wider and wider in this thesis, we address the theory of film growth and the growth technique firstly more, the ways and characteristics of surface detection are prescribed we mainly report the growth process, results and discuss of self - organized quantum dots structures in the a12o3 substrates by s - k mode using ecr - mocvd, in the espd - u device the growth art of ain epilayer which is the preliminary foundation of self - organized gan / ain quantum dots structures, including the substrate cleaning, nitridation, the growth of buffer and the growth of gan and ain epilayer, is discussed we deliberately compare the test result of rheed xrd and afm and achieved the optimalized condition of ain at last we have successfully realized the growth of ain which is much smooth and better crystal quality moreover, we grow the self - organized gan / ain quantum dots structure in s - k mode because the limits of the heater temperature, we can not grow the atom - smooth epilayer of ain until now so we could not grow better quantum dots which have small diameter and big density but the self - organized quantum dots structures with better quality will be realized successfully if the substrate temperature is increased the thesis study belong to my tutor subject of national nature science foundation ( 69976008 )

    本論文主要論述了在espd - u裝置上,採用電子迴旋共振等離子體強mocvd ( ecr - pamocvd )方法,在藍寶石襯底上通過s - k模式自組裝生gan aln量子點構的生工藝、果及討論。而重點分析了自組裝生量子點之前的aln外延層生工藝,包括襯底清洗、氮化、緩沖層的生和gan 、 aln外延層的生;通過高能電子衍射、 x射線衍射和原子力顯微鏡測試,並且對這些測試果進行了詳細的比較研究,得出了較優化的工藝條件,生出了質較好、表面較平整的aln外延層;進而採用s - k模式自組裝生了gan aln量子點構。由於實驗裝置加熱爐溫度的限制,我們沒有能夠生出原子級平滑的aln外延層表面,因而沒能夠生出密度比較大和直徑比較小的量子點。
  9. For other decoration application, the dosage of mortar essence shall be 0. 1 and construction shall be executed pursuant to general criterion requirements ; in plastering mortar, the dosage of mortar essence shall not be increased at will otherwise excessively long coagulation time is required, leading to delay of schedule

    其它裝修水泥砂漿摻量為0 . 1 ,按通常規范要求施工,抹灰砂漿不能隨意加摻量,否則會造成凝時間太,而影響施工進度。
  10. Sem, transmission electron microscopy ( tem ), x - ray energy - dispersion analysis ( edax ), xrd, electron diffraction ( ed ) and high - resolution electron microscopy ( hrem ) were used to investigate the morphology, atomic composition and crystal structure of the nanowires. the hexagonal cdse nanowires with single crystal structure have been obtained in dmso under 140. ( 3 ) semiconductor te and cdte nanowires embedded in aao templates were fabricated for the first time by dc < wp = 7 > electrodeposition in ethylene glycol

    Sem 、 tem 、 edax 、 xrd 、 ed 、 hrem分析的果表明,所得cdse納米線為六方型,體的( 001 )面沿平行於基底的方向擇優生,且隨沉積溫度的降低,這種擇優生的趨勢越來越強;納米線體在生時,由於受aao模板孔徑的限制,形成c軸方向拉粒,其徑比達5 1以上;體的大小和完善程度隨沉積溫度的降低而大, 185沉積得到多六方cdse納米線,而140沉積時可得到六方cdse單納米線。
  11. We also calculated the threshold and efficiency curves with the crystal length, pump power, wavelength of signal wave and mismatch etc on the single resonance oscillator ( sro ) of clbo. the most obviously difference of dro and sro is that when the pump power is higher and the crystal length is longer, the efficiency curves become smooth but not descend in comparing sro to that of dro

    在對單諧振和雙諧振的振蕩閾值和轉換效率的理論研究中,得到了單諧振與雙諧振不同的是:在單諧振情況下,隨泵浦強度、度的加,轉換效率曲線只有飽和的趨勢,而無下降趨勢的論。
  12. Obtaining structure and function of proteins is one of the main purposes of research in biology, but determining three - dimensional structure of protein by means of x - rays crystallography and nuclear magnetic resonance spectroscopy, and research in protein structure by the way of biochemistry, already can ’ t adapt the need of the rapid increase of protein sequence

    獲取蛋白質的構和功能是生物學研究的重要目的之一,但是使用x光體衍射和核磁共振技術等實驗手段測定蛋白質的三維構,以及使用生物化學方法研究蛋白質的功能時效率不高,已經無法適應蛋白質序列飛速的需要。
  13. The crystallization property were investigated by dsc. it was shown that the joining of ommt has a little effect on melting point of pp, the crystallization temperature of pp was improved obviously and the degree of crystallinity was increased ; through studying on kinetics of isothermal crystallization, the constant ( k ) of crystallization speed and crystallization speed ( g1 / 2 ) were lowered with rising of crystallization temperature ; half period of crystallizations and ( tp ) were delay with rising of crystallization temperature

    Dsc研究行為表明:有機蒙脫土的加入對pp熔點的影響不大,使pp的溫度明顯提高,大;通過等溫動力學的研究,速率常數k和速率g _ ( 1 2 )均隨溫度的升高而降低;半期t _ ( 1 2 )和t _ p都隨溫度的升高而延
  14. The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate

    採用pld技術進行了碳氮化合物薄膜沉積,得到了含氮量為21at的cn薄膜;研究了襯底溫度和反應氣體壓強對薄膜構特性的影響,給出了cn薄膜中n含量較小、 sp ~ 3鍵合構成分較少和薄膜中僅含有局域cn體的原因;引入脈沖輝光放電等離子體強pld的氣相反應,給出了提高薄膜態sp ~ 3鍵合構成分和薄膜的含n量可行性途徑;應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ,得到了含n量為56at的態cn薄膜;探討了cn薄膜形貌、成分、構、價鍵狀態等特性及其與氣體壓強和放電電流的關系,證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭果;採用光學發射譜技術對cn薄膜生過程進行了實時診斷,得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律,給出了cn薄膜沉積的主要反應前驅物,揭示了cn薄膜特性和等離子體內反應過程之間的聯系;採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的構特性,揭示了si原子對薄膜生過程的影響,給出了si基表面碳氮薄膜的生模式;在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積,證明了通過控制材料表面動力學條件可以改變碳氮薄膜構特性,並可顯著提高態碳氮材料的生速率。
  15. The analyses given in this paper to quasi - three - level for 946 nm laser are complete. the relation between 946 nm laser transmission and optimal crystal length has been derived from the rate equations describing the population inversion and the photon density in the laser cavity in the steady - state case. the minimal claims to coating have been given on the base of contrasting 946 nm transmission with 1064 nm transmission in the condition of different cavity losses and how the pump beam radius in the laser crystal and optimal crystal length affect the laser threshold and output power of 946 nm laser has been given as well

    對產生946nm譜線的準三能級構給出了較為完整的分析,利用激光諧振腔處于穩態時的速率方程,導出了準三能級nd : yag946nm起振時,透射損耗與最佳激光度的關系,在與1064nm透射損耗相比較的基礎上,給出了不同的腔損耗情況下的最低鍍膜要求,並且給出了激光閾值、輸出功率和最佳激光度及泵光光斑大小的關系,這為設計室溫下高效運轉的946nm激光器的提供了理論基礎,這種分析方法對研究此類低益,準三能級或三能級激光系統輸出特性有借鑒意義。
  16. With the theoretical and experimental methods, the characters of cr4 + : yag are studied from cr4 + : yag as passive q - switching in nd : yag laser, intracavity frequency - doubling of q - switching laser and dual - wavelength laser, which is based on cr4 + : yag ' s operations of saturable absorption and laser gaining medium. chapter 1 : introducing the cr4 + : yag ' s optical function, the general research situation and the main idea of this thesis

    本論文基於cr ~ ( 4 + ) yag體既可以作為nd yag激光器的被動調q開關、又可以作為激光益介質的特點,採用理論和實驗相合的研究方法,詳細而具體的研究了cr ~ ( 4 + ) yag體被動調q 、調q倍頻和雙波激光輸出的特性。
  17. The formation process of w - type ferrite underwent from oxide of metal, the m - type transition phase to final w - phase. when the heating rate was 5 / min, at 900 for 3 hrs and 1200 for 4 hrs, pure m - type and w - type ferrites were formed in air respectively. with heat treatment temperature increasing, crystal structure was more intact, the saturation magnetization increased and the coercive force decreased

    熱處理過程表明, m型鐵氧體直接由金屬氧化物反應形成,未經歷尖石中間相; w型鐵氧體形成由金屬氧化物到m相過渡相最終向w相的轉變;當升溫速率為5 min ,溫度在900 ,保溫3小時和1200保溫4小時,就分別形成單相m相和w相鐵氧體;隨著熱處理溫度的升高和保溫時間的延,衍射峰變尖銳,更完整,空心微球的飽和磁化強度大,矯頑力減小。
  18. Now the method of lever set is wildly used like crystal grows, etc. this paper mainly explains the application in the moving interface aspect of the method, which based on fast tree redistancing for moving interface, including definition of level set method, adaptive mesh ( octatree ) and interpolation of scattering points

    水平集方法現已得到廣泛的應用,如等。本論文主要闡述了水平集方法在求等距問題方面的應用,即一種基於樹形構的快速等距面計算方法,包括水平集方法的定義,自適應網格剖分(本論文採用八叉樹的方法)以及離散點的插值。
  19. Two exceptional structures appear in the film. they are concentric ring of si and hollow ring of c. the former is composed of three parts : the outer belt, the medium and the heart

    當退火溫度升高到600后,薄膜的度繼續加到60 70 ,粒繼續大,並發現了兩種異常的構:同心環和空心環。
  20. This growth is also the result of the crystalline cellular structure that will permeate all rocks, minerals, forests, oceans and vegetation

    也是水細胞構的果,那將穿透所有巖石、礦物、森林、海洋和草木。
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