透射面 的英文怎麼說

中文拼音 [tòushèmiàn]
透射面 英文
tra mi ion plane
  • : Ⅰ動詞1 (滲透; 穿透) penetrate; pass [seep] through 2 (暗地裡告訴) tell secretly; let out; lea...
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  1. Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time

    隨后以這幾種重金屬作為實驗毒物,以鯽魚為實驗動物,應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等,全和系統地研究了水環境中重金屬暴露對魚類的毒性影響,初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響,為制定漁業生產上預防性的管理措施提供科學依據,及時避免或減輕重金屬污染對水生生態系統造成的損害。
  2. And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media

    以土力學模型為基礎,利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播,採用了顯式差分方法(中心差分法和newmark常平均加速度法結合)和邊界,通過比較利用幾種差分格式求解的加速度結果,發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用,分別編制了體波( p波或sv波) 、 rayleigh波輸入時求解兩相介質動力響應的兩個二維數值分析程序。
  3. Environmental scanning electron microscopy ( esem ) observation of f2 mycelium cultured in liquid medium with 100mg / l of cadmium showed that there were crystalline precipitations attached to the surface of f2. transmission electron microscopy ( tem ) and energy - dispersive analysis microscope ( edam ) examination revealed that there were many granules with high content of cadmium around the cell wall

    F2在100mg l鎘濃度下培養后,經環境掃描電鏡( esem )觀察顯示,菌體表有較大晶體狀沉澱物;電鏡( tem )和能譜分析( edam )表明,細胞壁周圍形成大量細小的高鎘含量沉澱物。
  4. In chapter two, we fabricated r - ni - fe / al2o3 nanocomposites successfully by using ball - milling mixing method plus hot - pressing process. meanwhile, their microstructures are characterized by x - ray diffraction ( xrd ) analyser, transmission electron microscopy ( tem ), field emission scanning electron microscopy ( fe - sem ) and brunauer - emmett - teller ( bet ). the results indicate that ni - fe particles are homogenously dispersed in the matrix in the composites

    在第二章中,我們採用高能球磨混合方法加上熱壓燒結工藝,成功制備了ni - 20fe al _ 2o _ 3納米復合材料,並通過x線衍儀( xrd ) 、電鏡( tem ) 、場發掃描電鏡( fe - sem ) 、比表孔隙儀( bet )對該復合材料的微結構進行了表徵。
  5. 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,針對高分子絮凝黃河泥沙,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長模型,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,應用掃描電子顯微鏡和電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通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子絮凝黃河泥沙生成的絮體結構。
  6. Further study of homology of sphere

    的進一步研究
  7. By adopting x - ray diffraction and transmission electron microscope ( tem ), this thesis has insepectd the size and the structure of the calcium carbonate ( caco3 ) particles. according to hydrophile and lipophile balance ( hlb ), the suitable surface - active agents have been selected and put into lubricating oil with nanometer caco3 particles

    本文採用x線衍儀和電鏡檢驗了納米碳酸鈣粒子的粒徑和內部結構,根據親水親油平衡值( hlb ) ,選擇合適的表活性劑將其加入到含有納米碳酸鈣粒子的潤滑油中進行表改性。
  8. Z. zhang, m. wollgarten and k. urban, " analysis of dislocations in icosahedral al - cu - fe alloy by transmission electron microscopy ", phil. mag. lett., 61 ( 1990 ) 125 - 131

    「鋁銅鐵二十體準晶中位錯的電子顯微學分析」 , , (英國)
  9. Starch nanoparticles ( sn ) have been prepared with w / o starch microemulsion as microreader and epichlorohydrin as cross - linking agent. the factors affecting the preparation of sn have been investigated via the characterization of tem. the results show that the size and size distribution of sn are mainly controlled by the interfacial strength of microreactor, and the interfacial strength of microreactor is chiefly influenced by w value ( the molar ratio of water / surfactant ) and concentration of starch

    利用所得到的w o型澱粉微乳液作為微型反應器,以環氧氯丙烷為交聯劑制備出澱粉納米粒,並藉助電鏡的表徵研究了各制備因素的影響,研究結果表明:澱粉納米粒的粒徑及粒度分佈主要受微型反應器的界強度控制,而影響界強度的因素主要是r值(即水與表活性劑的摩爾比值)及澱粉液濃度。
  10. A circular opening in an opaque screen transmits only a small circular patch of a wave surface.

    明屏上一個圓孔僅僅的一小圓塊。
  11. A lens is an optical system including two refracting surfaces.

    一個鏡是包含兩個折的光學系統。
  12. The causes resulting in thickness dependence of the optical properties of the films were discussed on the basis of the pl, optical transmission, and afm analyses. we understood that zno is an excellent material for uv detector by research on uv photoconduction

    綜合光致發光譜、光學譜和薄膜表形貌,對導致光學性質隨膜厚變化的原因進行了討論;研究了厚膜zno的紫外光電導時間響應,得出zno材料具有很好的紫外探測性能結論。
  13. The tem analysis of pa6 composites shows that optimal incorporation of nano - al2o3 into pa6 is at 10 phr of nano - al2o3, and that fillers can equably disperse in matrix

    另一方電鏡分析表明,添加量為10phr的試樣中納米a12o3粒子可以在尼龍6基體中均勻的分散。
  14. Through measuring the value of infrared radiation when the complex decoy is burning, it is concluded that the complex decoy ' s energy of infrared radiation is much more than the substrate ' s. through researching the performance of microwave radar ' s transmission and refection within the band of 3mm and 8mm, it is proved that the interference with radar is feasible

    在復合誘餌劑的性能測試方:對制備出的復合誘餌劑燃燒時的紅外輻展開研究,發現了復合誘餌劑的紅外輻能量比基片的紅外輻能量有很大的增加;開展了對3mm 、 8mm波段毫米波雷達的與反性能試驗,證明了該誘餌劑干擾雷達波是可行的。
  15. The dimension of the color of an object by which the object appears to reflect or transmit more or less of the incident light, varying from black to white for surface colors and from black to colorless for transparent volume colors

    (顏色的)淺淡可以從物體對入光的光亮反程度的多少來決定的光亮度,從變化上對于表來說可從黑色到白色,對于明色來說是從黑色到無色
  16. The coefficients of reflection and transmission on the interface of two uniaxial crystals

    光在兩單軸晶體分界的反系數
  17. The coefficients of reflection and transmission on the interface of two uniaxial crystals under normal incidence

    正入條件下光在兩單軸晶體分界的反系數
  18. In this paper, we have studied the transmission of a plane wave through a 1d quasiperiodic or aperiodic chain by numerical method. moreover the heat conduction for these chains is calculated. it is found that the heat flux j ~ n - 1 ( 0. 5 < < 1 ), and depends on the on - site potentials

    本文首先用數值方法,計算了各種頻率的平波通過以上幾種典型的一維準周期和非周期鏈的系數,並據此研究了這幾種一維準周期和非周期鏈的熱通量j與粒子數n之間的關系,得出j n ~ ( a - 1 ) , 0 . 5 1 ,與系統中在位勢的大小有關,並與其他系統的結果作了比較。
  19. The method can simulate light scattering behavior on the condition of single layer and multiple layers, and preferably deals with reflection and transmission between layers, with a good agreement with literature results. 3. laser beam scattering by an object in near field is studied

    該演算法可用於模擬計算單層和多層塗層,平行平結構和粗糙表情況下的光散行為,較好地處理多層塗層結構中各層間的反,模擬結果與文獻結果吻合的很好。
  20. A gas - jet - type vuv source that can give a spectrum in the wavelength range of 5 ~ 200nm was used in this paper to research of vuv radiation effects on upilex films which used as canopy of the space inflatable antennas and al / kapton films

    利用流式真空紫外地模擬設備研究了5 200nm波長范圍內的真空紫外輻照對al / kapton薄膜與空間充氣展開天線透射面材料upilex薄膜的性能影響。
分享友人