hexagonal structure 中文意思是什麼

hexagonal structure 解釋
六方結構
  • structure : n. 1. 構造，結構；組織；石理，石紋。2. 建造物。3. 【化學】化學結構。4. 【心理學】（直接經驗中顯現的）結構性，整體性；整體結構。adj. -d ,-less adj.
  1. It revealed that hexagonal structure was easily synthesized in the neutral medium, and lamellar structure was inclined to prepare under basic condition, and from the cooperative charge density matching mechanism and function of manganese iron and template molecular, the alkalescence influence on the structure was explained, and appropriate neutral hexadecylamine ( hda ) availed to synthesis of mesophase with more ordered degree for the mediation of packing parameter

    通過水熱合成方法對錳氧有序相的合成進行初步研究，探討合成工藝對有序結構的影響：在中性的條件下，易合成六方有序結構產物；在堿性條件下，更易合成層狀結構產物。並從電荷匹配的原則及錳離子與模板劑間鍵合作用解釋了堿量的多少對合成產物結構的影響。
  2. The study on thermal stability of hexagonal ilmenite structure of ztm system with different mgo content

    體系六方鈦鐵礦相熱穩定性的影響
  3. After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control

    在指向反射鏡的擺動控制方面，採用低速性能好的分裝式直流力矩電機作為指向反射鏡的驅動電機，並採用感應同步器作為角度測量元件，運用軸角轉換器ad2s80a進行角度和速度的輸出，採用技術成熟的pid控制方案，進行速度和位置雙閉環控制，以實現指向反射鏡轉動速度的平穩性和位置的精確性。
  4. Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion

    文摘:從理論上分析了激光經隨機位相板變換后在遠場的光斑特性（包括光斑的形狀、大小、旋轉對稱性、衍射效率以及旁瓣分佈） ，通過比較三種形狀位相元（等邊三角形、正方形和正六邊形）的遠場光斑特性，得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。
  5. This hexagonal - shaped pagoda is a three - storey green - brick structure about thirteen metres high. a statue of fui shing champion star is worshipped on the top floor

    這座六角形的古塔以青磚砌成，約十三公尺高。
  6. In the hexagonal close packed structure, slip systems are more limited.

    在六方密排晶格中，滑移系受到較多的限制。
  7. Basic concepts and relevant calculations of hexagonal systcms. the basic concepts of hexagonal systems are introduced. we also recommend two calculating methods for the kekule structure count on hexagonal systems f enumeration and formula applying

    介紹了六角系統的基礎知識，包括六角系統的基本概念和性質，以及計算平面六角系統中kekule結構數的兩種方法：枚舉法和公式法。
  8. It was revealed that the hexagonal order was destroyed and the phase transition from hexagonal to amorphous structure with the increment of manganese ion, and with the appropriate neutral hexadecylamine ( hda ) with cetyltrimethylammonium bromide ( ctab ) as mixed template, mn - mcm - 41 was synthesized with well uniformly pore size and hexagonal mesostructure for the additional function of n - metal covalent bond, and the ordered structure was mediated by the influence on the packing parameter

    表明隨著mn ~ （ 2 + ）引入量的增加，導致介孔長程有序結構的破壞，最終引起由六方相向無定型相的轉變。適量中性表面活性劑十六胺的引入以形成混合模板劑，通過在原有靜電作用基礎上增加n -金屬鍵作用，合成結構較為完整的錳摻雜mcm - 41材料。
  9. 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分析的結果表明，所得cdse納米線為六方晶型，晶體的（ 001 ）晶面沿平行於基底的方向擇優生長，且隨沉積溫度的降低，這種擇優生長的趨勢越來越強；納米線晶體在生長時，由於受aao模板孔徑的限制，形成c軸方向拉長的晶粒，其長徑比達5 1以上；晶體的大小和完善程度隨沉積溫度的降低而增大， 185沉積得到多晶六方cdse納米線，而140沉積時可得到六方cdse單晶納米線。
  10. 2. in the process of synthesis of mesoprous silica, manganese ion was doped to substitute partially for silica in the framework and hexagonal mesoporous manganese - containing silica mn - mcm - 41 was prepared. xrd, hrtem, n2 adsorption isotherm showed the direct evidences for a well - ordered hexagonal nano pore structure

    在mcm - 41合成過程中，引入mn ~ （ 2 + ）對硅氧骨架中硅原子進行部分替代，以形成雜原子介孔分子篩，並研究引入量對有序結構的影響。
  11. In this thesis, the structure and basic characteristic of hexagonal ferrite absorbent were summarized, and popular methods to prepare ultrafine ferrite particles and hollow microspheres were introduced. hexagonal ferrite hollow microspheres were prepared by flame powders spraying technique and flame suspending solution spraying technique

    本文較為系統地概述了六角晶系鐵氧體吸收劑的結構和基本特性；介紹了當前鐵氧體超微粉末及空心微球的主要制備方法；用氧乙炔火焰粉末噴霧技術與等離子火焰溶液噴霧技術制備了六角晶系鐵氧體空心微球，對其結構和性能進行了一系列的探討工作。
  12. This is a hexagonal structure in which the two kinds of atom lie in separate layers.

    這是一種六角形的結構，兩類原子處在分離的層內。
  13. This paper introduces the advantages of steel structure and high - strength bolt connection, and through the engineering examples, expounds the control of the key quality points of big hexagonal high - strength bolt and the quality examination of the operation of high - strength bolt connection

    介紹了鋼結構及高強度螺栓連接工藝的優點，通過工程實例詳細闡述了對大六角頭高強度螺栓的質量關鍵點的控制以及高強度螺栓連接操作的質量檢查。
  14. In the paper, by fractional - dimension space model, the relationships between system dimensions and wells width in zno / mgzno quantum well will be studied and the exciton dynamics such as wave functions, radial intensity and bohr radius in zno / mgzno with different well width are studied firstly. secondly, the system dimension, exciton wave functions and absorption spectrum in hexagonal microtube zno film were calculated and simulated, and the confinement of microtube is discussed. then the hexagonal microtube zno films are investigated by capacitance - voltage ( c - v ) measurements and the structure of zno / si were analyzed and modeled

    本文利用分數維空間模型，首先研究了zno / mgzno量子阱中系統維度、激子波函數、徑向密度和波爾半徑隨阱寬的變化，從中反映了zno / mgzno量子阱中量子尺寸效應對激子態的影響；其次計算和模擬得到六棱微管zno薄膜的系統維度、激子波函數及吸收譜，討論了微管壁厚對激子的限制情況。
  15. Zno is a ii - vi semiconductor material with wide band - gap, which has hexagonal wurtzite structure. zno thin films were widely applied in solar cell, uv detector, saw device, gas sensor and transparent electrodes et al for their excellent properties

    氧化鋅（ zno ）是一種具有六方纖鋅礦晶體結構的寬禁帶ii - vi族半導體材料，由於其優良的特性，在太陽能電池、紫外探測器、聲表面波器件、氣敏傳感器、透明電極等方面得到了廣泛的應用。
  16. The worm - like mesoporous materials were synthesized and characterized with tem, x - ray diffraction, nitrogen adsorption / desorption and ft - ir techniques, etc. the results showed that all the samples had larger porediameter than the samples through calcinations under resembled conditions, but the mesopore ordered poorly. ft - ir results showed hexagonal structural character were kept, but xrd, tem results showed that the samples have the structure characteristics of msu - x. it was analysized that all n2 adsorption isotherms of the samples belong to langmuir iv category which is related to mesoporous materials

    Ft - ir光譜表徵結果顯示，經萃取處理后的介孔sio _ 2材料保持了六方的結構特徵；經xrd 、 tem進一步分析，證實所合成的介孔氧化硅材料具有msu - x材料的結構特徵， xrd譜圖表明樣品具有短程有序性：所合成的材料低溫n _ 2吸附測試結果表明，各樣品的n _ 2吸附等溫線均與中孔（介孔）特徵的第類曲線基本相符；由kelvin公式計算得到的孔徑分佈曲線說明，介孔材料具有較為集中的孔徑分佈；各樣品的bet比表面積比較高。
  17. Saxs, xrd and bet results revealed that the tubes were amorphous and aggregated by a compact hexagonal arrangement with a highly ordered mesoporous structure

    Saxs 、 xrd和bet結果表明，制得的碳管具有無定形的管壁而且含有一定的中孔結構，碳管以六方堆積方式緊密排列。
  18. Zno is promising : high - quality zno with very low defect densities can be synthesized at much lower temperature ; zno can emits light with shorter wavelength than blue light emission from gan ; zno has higher excitonic binding energy promising strong photoluminescence from the bound excitonic emissions even at room temperature ; by alloying with mgo, tuning of the band gap while keeping the zno hexagonal structure can be achieved by forming mgxzn1 - xo. as we know, band gap tuning is important to produce efficient and lasting light emitting diodes ( led ) and other electronic devices

    利用mg _ xzn _ （ 1 - x ） o薄膜，可以在保持zno六方纖鋅礦（ wurtzite ）結構的同時有效調節調節薄膜的禁帶寬度，制備出基於氧化鋅的量子阱、超晶格及相關的光電器件，如基於氧化鋅的紫外光探測器、紫外發光二極體和紫外激光二極體等光電子器件。
  19. The characteristics of samples were investigated using xrd, hrtem, n2 adsorption technique and so on, and it was shown that mesoporous silica mcm - 41 had been synthesized in this work with uniformly sized pores and long - distance ordered arrangement of hexagonal structure, and the pore size was about 2nm, and could be regulated by the second hydrothermal treatment or the addition of l, 3, 5 - trimethylbenzene ( tmb ) as organic assistant expander

    結果表明合成試樣孔徑尺寸單一，六方孔道排列，具有良好的長程有序結構，孔徑為2 . 1nm ，為典型的有序介孔結構。並通過二次水熱處理和添加有機輔助劑1 ， 3 ， 5 -三甲苯（ tmb ）對合成mcm - 41的孔徑進行調節。
  20. Especially, the mesoporous silica materials ( designated mcm - 41 ), which is regarded as a novel nano - structured materials, are expected to show potential values in many fields such as adsorption, catalysis, optics, nano - technology, electronics, magnetics and chemical sensors because they exhibit hexagonal structure, the pore size which can be regulated from 1. 5 to 10nm, high specific surface area and thermal stability. 1

    特別是以命名為mcm - 41的有序介孔材料的出現，因其孔道呈六方有序排列、孔徑在1 . 5 10nm范圍內可連續調節、高的比表面積和熱穩定性等特點而在吸附、催化、分離、納米技術以及光、電、磁等領域具有廣泛的應用價值，正成為眾多領域的研究熱點之一。
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