表觀尺寸 的英文怎麼說

中文拼音 [biǎoguānchǐcùn]
表觀尺寸 英文
apparent size
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 觀 : 觀名詞1. （道教的廟宇） taoist temple2. （姓氏） a surname
  • 尺 : 尺名詞[音樂] （中國民族音樂音階上的一級 樂譜上用做記音符號 參看「工尺」） a note of the scale in ...
  • 寸 : Ⅰ量詞（長度單位） cun a unit of length （=1/3 decimetre）Ⅱ形容詞（極短或極小） very little; very ...
  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透射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子絮凝黃河泥沙生成的絮體結構。
  2. The absorption characteristics was that the surface plasma absorption peak appeared around 570 nm shifted to a short wavelength and strengthened as the cu composition increased. but the maximal shift range of the absorption - edge preponderated over 500 nm, and leaded that the dipolar plasma resonance absorption peak were covered up and gradually disappeared in the absorption spectrum. we theoretically explained the mechanism of the modulating action

    實驗觀察到cu表面等離子體共振吸收峰位在570lun附近的吸收邊頻移量超過了500nln .理論分析表明，吸收峰位的移動主要源於偶極共振，而峰形的寬化主要由納米粒子的表面效應和量子尺寸效應引起
  3. The metal cellular sandwich board, being the most advanced, novel - style and top - grade fire - proofing architectural material both internationally and domestically at present, can be used for standard high - quality architecturally integrated ceiling and partition decoration, etc

    金屬蜂窩夾芯板是目前國際、國內最先進行的新穎高級建築防火材料，用於標準的高質量建築一體化吊頂及隔斷裝飾等，它具有美觀、輕質、高強、隔聲、隔熱、防潮、不燃、表面不起塵、幾何尺寸準確，組合性強、施工快捷、方便等優點。
  4. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  5. Owing to the extremely small dimensions, nanometer materials are structurally characterized by a large volume fraction of grain boundaries or interphase boundaries, which exhibit some unique structural characteristics and novel properties with respect to the conventional coarsegrained polycrystalline materials

    由於納米粉體材料尺度極小，使之表面原子數、表面能急劇增加，產生了宏觀物體所不具有的表面效應、小尺寸效應、量子效應及宏觀量子隧道效應等新的性能。
  6. The research is focused on the influence of the size of the coupling port, coupling line and the capacitive metal rods in cutoff waveguide on the gap impedance

    研究結果表明：模雙間隙腔連接截止波導段的耦合口的尺寸主要影響輸出腔的外觀品質因數，而耦合接頭的粗細和電容性銷釘的大小和插人深度對截止波導濾波器的調諧具有重要影響。
  7. Methods of test for geotextiles - determination of the apparent pore size distribution by dry sieving

    土工織物試驗方法.第2部分:干篩分表觀篩孔尺寸的測定
  8. In this article, four basic properties of nanometer particle are summarized : quantum size effect, surface effect, volume effect, macroscopical quantum tunnel effect, and several ways of preparation and evaluation of nanometer particle are introduced

    摘要綜述了納米微粒的四個基本特性：量子尺寸效應、表面效應、體積效應及宏觀量子隧道效應，並介紹了納米微粒的制備方法及對納米微粒評估的方法。
  9. The analyses of their microstructure showed that comparing with zl101 that contained no titanium, the trace amounts of titanium in alloys caused grain refining of al - l % si in zl101a prepared from electrolytic low content titanium aluminum alloy ( i. e. alti101a ) and zl101a prepared from electrolytic al - si - ti alloy ( i. e. ast101a ), and the grain size distribution became more even, whereas the trace amounts of titanium have little influence on the size and shape of si particles in these alloys

    微觀組織分析結果表明，相對于不含鈦的zl101 ，微量的鈦可以使電解低鈦鋁合金制備的zl101a （ alti101a ）和電解鋁硅鈦合金制備的zl101a （ ast101a ）的（ al ）相的晶粒細化，晶粒大小分佈均勻，但對它們的si粒子尺寸和形貌影響不大。
  10. And considerable work has been done hi the growth behaviour in the tetrachloride solution concluding studies of crystal growth and growth kinetics. a crystal of dimensions 20mm x 20mm x 1mm was produced hi the tetrachloride solution by lowing temperature. and bcf spiral growth mechanism for the surface diffusion model was analyzed using the kinetic data

    本文以苯為溶劑溶液降溫法培養出了60mm 40mm 3mm大尺寸hhm單晶；另外探討了hhm在四氯化碳溶液中的生長行為，溶液降溫法培養出了20mm 20mm 1mm的較大尺寸單晶，並用動態循環體視顯微鏡觀察法測定了其在不同的過飽和下主要顯露晶面的法向生長速率，在較大過飽和度范圍內考察了其bcf表面擴散螺位錯生長機制。
  11. It is found that the size of the internals is an important influencing factor, the larger internals under moderate gas velocity are more perferiable for increasing the particle concentration and improving the gas - solid mixing pattern on the section

    較大尺寸的內構件在適當的表觀氣速時能夠對改善流場中氣固混合及提高截面濃度起到非常積極的作用。
  12. In this chapter, we described some basic properties of nanoparticle, such as quantum - size effect, surface effect, small - size effect, macro - quantum tunnel effect and so on

    第一部分：綜述第一章；納米微粒的特性與應用本章主要介紹了納米材料的一些基本特性。例如：量子尺寸效應、表面效應、小尺寸效應、宏觀量子尺寸效應等。
  13. The nanometer particles are metastable materials that lie between macroscopical materials and atoms or molecules with the characteristics of little size effect, quantum measurement effect, surface effect and macroscopical quantum tunnel effect, etc., thus demonstrating some special properties

    納米粒子是介於宏觀物質與微觀原子或分子之間的過渡亞穩態物質，具有小尺寸效應、量子尺寸效應、表面效應與宏觀量子隧道效應等，從而表現出一些特殊的性質。
  14. Nanoscience have been drawn considerable interest and physicaly investigated all over the world. the nanoparticles have different properties compared with bulk materials such as quantum size effect, surface effect, the dieletric confinement etc. the intrinsic optical properties of nanoparticles have been thoroughly studied

    納米材料科學是一門涉及多學科領域的科學，納米顆粒由於尺寸小能產生量子尺寸效應，表面效應，介電限域效應和宏觀量子隧道效應等。
  15. This paper analyses the cause of producing reunite in nano - powder from four facets, such as quanta size effect, small size effect, surface effect and macroscopical quanta size effect, and countermeasures are suggested from three facets, such as preparation, storage and transport as well as use, both in theory and experiment

    摘要根據作者理論和試驗方面的探索，從量子尺寸效應、小尺寸效應、表面效應及宏觀量子隧道效應等方面分析了納米粉體材料產生團聚的原因，並從制備、儲運、使用等方面提出了具體解決納米粉體材料團聚的措施。
  16. Quantum confinement effect was observed in the films by measurements of absorption spectrum of ge - sio2 films. the widening of optical band gap of the amorphous films seems to be related to the function of the quantum confinement on the impurities or defects in the films

    光吸收特性研究表明，因量子限域效應，對于ge - sio _ 2薄膜觀察到較強的光吸收和光吸收邊隨ge顆粒尺寸變小而藍移的現象。
  17. We also report the uv - visible optical absorption spectra of these colloids. to the metal plate prepared simultaneously, the measurement result of sem and afm of this plate is also reported and the roughness of the silver plate surface is about 60nm. both the colloids and the nano - scale metal surface can become the very perfect sers substrates. rhodamine b, a kind of strong fluorescence laser dye, with gold colloidal surface, has been studied by surface - enhanced raman spectroscopy ( sers ) with near - infrared ( nir ) excitation in the presence of the halide ions ( cf, br -, f )

    利用透射電子顯微鏡（ tem ） ，對膠體粒子的尺寸大小及形態進行了觀測，表明這些膠體為粒徑介於5 35nm的納米體系，並對該膠體體系進行了紫外?可見吸收光譜的研究；在制備出金屬膠體的同時，經過激光照射后的金屬表面為納米量級的粗糙表面，對該表面進行了掃描電鏡（ sem ）及原子力顯微鏡（ afm ）的測量，結果顯示該表面的粗糙度平均為60nm 。
  18. With checking and optimization, some rational suggestions on bridge location, shape and overall arrangement is put forward. after construction checking, the author also puts forward some requests for construction pre - cove and safety pier setting, at the same time gives optimum design on joint balance pier. construction structure checking indicated that not only the strength and stability coefficient of rotation stiffness framework is affluent, but also the section size

    通過驗算及優化，對該橋推薦方案的橋址、武漢理工大學碩士學位論文橋型及橋梁總體布置提出了合理化的建議;通過施工驗算，對施工預拱度及保險墩的設置提出了要求，對交界平衡墩進行了優化設計;施工結構驗算表明，轉體勁性骨架強度、穩定性富餘系數較大，截面幾何尺寸過大，結構設計過于安全保守，並提出了結構優化的方法，從而大大節省了工程投資，加快了工程進度，增強了橋梁的美觀。
  19. The results showed that the in - situ formed tibi particles which had a size of about 50nm, exhibited a homogenous dispersion in the copper matrix. moreover, the interface between the nanoscale particles and the copper matrix was clean, and there was no certain location relationship. due to their reinforcement, the tensile strength and hardness of the in - situ cu - tib _ 2 nanocomposite significantly improved

    通過光學顯微鏡、 tem 、 xrd等對cu - tib2原位復合材料進行了金相組織、微結構分析，原位復合材料的鑄態金相組織中彌散分佈著團簇狀的tib2顆粒；形變態金相組織中tib2顆粒呈纖維狀排列； tem觀察表明：在基體內存在著尺寸約為50nm 、彌散分佈的tib2顆粒，且tib2顆粒與基體之間界面清晰，但由於tib2結構與銅晶體結構的差別較大， tib2顆粒與基體之間無固定的位向關系；納米tib對銅基體有良好的增強作用。
  20. By compounding caco3 with pp, the effect of caco3 content, diameter and shape on the crystallization, dispersion morphology and properties of pp / caco3 composites was investigated. the results showed that addition of caco3 into pp decreased the apparent crystal size in perpendicular direction to the ( 110 ), ( 040 ) and ( 130 ) crystallographic planes of ppa crystal, and with similar uniform dispersion of caco3, the dominant factor influencing toughness is the diameter of caco3 particles, but not the decrease of pp crystal size. the toughening effectiveness of nano caco3 is obviously better than that of micron caco3

    將caco _ 3與pp進行填充復合，研究了caco _ 3含量、粒徑及形狀對體系的結晶，分散形態及性能的影響，發現碳酸鈣的加入使聚丙烯晶型垂直於（ 110 ） 、 （ 040 ）和（ 130 ）晶面的表觀晶體尺寸減小，揭示了在分散均勻的情況下，影響材料韌性的主導因素不是晶粒尺寸的減小，而是碳酸鈣的粒徑，納米張玲：彈性體及無機剛性粒子增韌增強聚丙烯復合材料的研究碳酸鈣的增韌效果明顯優于微米碳酸鈣。
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