通長鏡子 的英文怎麼說

中文拼音 [tōngzhǎngjìngzi]
通長鏡子 英文
full-length mirror
  • : 通量詞(用於動作)
  • : 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;...
  • : Ⅰ名詞1 (鏡子) looking glass; mirror 2 (幫助視力或做光學實驗的器具) lens; glass 3 (姓氏) a s...
  • : 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...
  • 鏡子 : 1. (各種面鏡) mirror; looking glass 2. (眼鏡) glasses; spectacles
  1. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞頻率表達式,應用了顆粒數量平衡方程,從而建立了絮凝過程的動力學生模型,模型計算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描電顯微和透射電顯微對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生階段,過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體相符,在一定程度上能夠反映高分絮凝黃河泥沙生成的絮體結構。
  2. With observing the topography of different time period by afm, the formation mechanism of five stages of ots molecular film was concluded. 4. tribological characteristics of ots self - assembled molecular film were studied by lfm. the effects of sliding velocity and load on frictional force were analyzed

    在研究過程中,過原力顯微( afm )觀察不同成膜時間及不同溶劑組成條件下的ots自組裝分膜的形貌,由此來判斷反應進程,總結出ots自組裝分膜生模式的五個階段。
  3. Besides, the growth of gasb expitaxy film was monitored by reflection high energy electron diffraction ( rheed ). the rheed images and intesity oscillation are collected by computer system. it showed that the gasb film prepared in 400 was amorphous and it became monocrystalline when the temperature rose to 500. atomic force microscope ( afm ) was applied to analyse the surface morphology of the films which were grown in diffrent growth rates or substrate temperature. the analysis were compared to simulation results. the experiment results indicated it was easy to form clusters when the rate of growth is high or

    此外,本文過反射式高能電衍射( rheed )監測了gasb外延薄膜的生,利用rheed強度振蕩的計算機採集系統實現了rheed圖像和rheed強度振蕩的實時監測。實驗發現在400生的gasb薄膜為非晶態,溫度升高到500薄膜轉變為單晶。利用原力顯微對不同生速率和襯底溫度生的gasb薄膜的表面形貌進行觀察分析,並與模擬結果進行比較。
  4. 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,採用電迴旋共振等離體增強mocvd ( ecr - pamocvd )方法,在藍寶石襯底上過s - k模式自組裝生gan aln量點結構的生工藝、結果及討論。而重點分析了自組裝生點之前的aln外延層生工藝,包括襯底清洗、氮化、緩沖層的生和gan 、 aln外延層的生過高能電衍射、 x射線衍射和原力顯微測試,並且對這些測試結果進行了詳細的比較研究,得出了較優化的工藝條件,生出了晶質較好、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量點結構。由於實驗裝置加熱爐溫度的限制,我們沒有能夠生出原級平滑的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點。
  5. Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases

    本文在sheppard和gumin等人的理論基礎上,利用fourier光學成像理論,討論了不同熒光波對單光和雙光共焦顯微成像特性的影響,導出了單光和雙光共焦顯微的熒光功率傳輸函數、三維脈沖響應函數和三維光學傳遞函數,得到了它們在不同激發波與熒光波比值時具體的表達式,並且過數值計算,得到了它們的曲線圖,結果表明:隨著激發波與熒光波比值的增加,焦斑的橫向分佈和縱向分佈變窄,橫向解析度和縱向解析度提高,系統的成像效果變好,當激發波與熒光波的比值下降到一定程度時,可以看到不同程度的失錐現象。
  6. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微下對不同粒度的生物質顆粒的徑比進行了實驗觀察和測定,得出生物質的徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  7. Determined by dsc. whereafter, the surface micro - morphology of both sides of tini sma thin film deposited on glass was investigated by atomic force microscope ( afm ), and the difference of morphology between the two sides is observed. it has been shown that, in the growing surface of sputtered tini film, the trend of grain to accumulating along the normal direction like a column is clearly observed, and the grain is very loose which resulted in more microcavities, but in the surface facing to glass substrate, grain is so compact that there are hardly microcavities

    過濺射法,在玻璃襯底上淀積了tini薄膜,並在600進行了真空退火, dsc法測得其馬氏體逆相變峰值溫度為75 ,利用原力顯微,對玻璃基tini形狀記憶合金薄膜的襯底面與生面進行了表面微觀形貌分析,發現:生面晶粒呈現出沿薄膜法線方向柱狀堆積的趨勢,晶粒緻密性差,微孔洞多;而襯底面晶粒緻密,幾乎沒有微孔洞存在。
  8. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生過程中的缺陷,並採用光纖光譜儀檢測分析等離體的可見光光譜以監測微波等離體化學氣相沉積過程;利用微波對材料的選擇加熱特性,過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中,建立了非均勻等離體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以獲取大面積均勻的溫度場區,甚至獲得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微波等離體化學氣相沉積金剛石的成核與生研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電( sem ) 、紅外透射光譜( ir ) 、原力顯微( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  9. By means of chemical etching, microscope observation, eelectron probe x - ray micro - analyzer ( epma ), the micro - distribution of c acceptor defect in lec si - gaas wafer is investigated, the results show that there is serious influence of the density and distribution of dislocations on the distribution of c impurity in wafer

    本文過ab腐蝕、 koh腐蝕,金相顯微觀察,透射電能譜分析,電探針x射線微區分析,研究了液封直拉法生的非摻半絕緣砷化鎵( lec , si - gaas )單晶中碳的微區分佈。
  10. The effective method of nucleation and growth of nanoparticles as applied to synthesize w - and mo - containing polyoxometalates nanoparticles in precursor films by making use of their acidity or oxidative property. the controllable synthesis of nanoparticles can be achieved by increasing synthetic cycle of polyoxometalates. the composition, structure, and properties of the as prepared composite films have been characterized in detail by uv - vis, ftir, x - ray photoelectron spectra, scanning electron microscopy, atomic force microscopy, transmission electron microscopy and cycle voltammograms

    利用有效的在前體膜中成核、生納米粒的方法,使用keggin型鎢系、鉬系多酸,有目的地利用其酸性,強氧化性,在膜中發生反應,從合成出基於多酸的納米粒過增加多酸的反應循環數,我們可以實現了納米粒的可控合成,採用uv - vis光譜、 ftir光譜、 x -射線光電能譜、掃描電顯微、原力顯微、透射電顯微、循環伏安對所制備的納米復合膜進行了組成、結構和性質表徵。
  11. In this paper, the growth technology is presented for epitaxial silicon carbide films on sapphire with a buffer layer by atmospheric - pressure chemical vapor deposition ( apcvd ) process. the effect of temperature and precursors flow rates on the growth of silicon carbide films by chemical vapor deposition is analyzed. the structural properties of the films grown on sapphire compound substrate are studied by x - ray diffraction ( xrd ), x - ray photospectroscopy ( xps ) and photoluminescence spectroscopy

    本論文提出了在藍寶石上引入一層緩沖層材料形成復合襯底,採用常壓化學氣相淀積( apcvd )方法在其上異質外延生sic薄膜的技術,分析了cvd法生sic的物理化學過程,過實驗提出sic薄膜生的工藝條件,並過x射線衍射( xrd ) 、 x射線光電能譜( xps ) 、光致發光譜( pl譜)和掃描電( sem )對外延薄膜的結構性質進行分析。
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