hexagonal system 中文意思是什麼

hexagonal system 解釋
六方晶系
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. 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
  2. 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。
  3. Boron nitride ( bn ) thin films were deposited on si substrates using the conventional radio - frequency ( rf ) sputtering system, with hexagonal boron nitride ( hbn ) target and working gas of argon ( or mixture of nitrogen and argon )

    使用射頻濺射（ rf ）系統，靶材為燒結的六角氮化硼（ hbn ） ，工作氣體為氬氣（或氬氣和氮氣的混合氣） ，在硅襯底上沉積氮化硼薄膜。
  4. 1 successively depositing cbn thin films on si substrates which reaches international advanced level, the impact of negative substrate bias voltage and rf powers on the formation of cbn thin films were studied. boron nitride ( bn ) films were deposited on ( 100 ) - oriented p - type silicon substrate ( 8i sqcm ) with rf sputtering system. the target was hexagonal boron nitride ( hbn ) of 4n purity, and the working gas was the mixture of nitrogen and argon

    研究了襯底負偏壓和射頻功率對制備立方氮化硼薄膜的影響立方氮化硼薄膜沉積在p型si （ 100 ） （ 8 15 cm ）襯底上，靶材為h - bn靶（純度達99 . 99 ） ，濺射氣體為氬氣和氮氣混合而成，制樣過程中，襯底加直流負偏壓。
  5. In addition, the growth temperature of films in high substrate temperature process is more similar to that of the single crystal growth in which the hexagonal system shows the sheet growth habit

    高溫下的薄膜生長更接近於單晶的生長條件，六角晶系晶體的結晶習性是片狀生長，表現為片狀的單晶，這種習性受晶體自身結構特性的限制。
  6. In this thesis, we grow hexagonal gan on c - plane sapphire substrates in a horizontal mocvd reactor equipped with an in situ normal incidence reflectance monitoring, and the focus has been turned to improve the quality of unintentionally doped gan epilayer. listed below are the main contents of this thesis. ( 1 ) a single - wavelength normal incidence reflectance monitoring system was installed

    本文利用配有近垂直入射激光反射在位監測的臥式mocvd在c面藍寶石襯底上生長六方相的gan薄膜，圍繞提高本徵gan外延層質量的目的，開展了具體如下的工作： （ 1 ）在mocvd設備上搭建了一套單波長近垂直入射激光反射在位監測系統。
  7. 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。
  8. Carbon nanotubes and polycyclic aromatic hydrocarbons ( pahs ) are important research objects of structural chemistry. hexagonal system, which is used to represent mathematicaliy pahs in organic chemistry, is developed perfectly in this century. while the theories concerning different topological invariants and parameters on hexagonal systems tend gradual1y to achieve great successes, the performance of the calcu1ations by pen and paper is still rather tedious, or even impossibie, when the size of molecules increases

    碳納米管和多環芳烴（ pah ）是結構化學的重要研究對象，從圖論角度描述有機化學中多環芳烴的六角系統在近代得到了很大的發展，對六角系統的各種拓撲不變量和一些參數的計算已趨完善或正在逐步完善。
  9. No. 9 wire mesh factory has first - class wire mesh weaving looms from japan, heavy type hexagonal wire netting machine and other wire mesh machines. we produce in accordance with iso9001 international quality management system and have guaranteed the good quality of our products and our advantages in cooperate. to do business with sincerely and honesty, this is our policy

    多年來，我廠始終堅持科技領先管理創優的經營理念，先後引進了日本無梭織機大型六角網織機等先進編織設備，並按iso9001國際質量認證管理體系，強化制度管理，推行標準化生產，有效的保證了產品的高質量和市場競爭優勢。
  10. The results show that it has layered structure and belongs to hexagonal system and its diameters ranges from 60nm to70nm. electrochemical tests show that its capacitance changes few after 500 cycles

    Ai雙氫氧化物經xlll3 、 tem 、 ir測試表明產物為層狀結構，屬於六方品系，粒徑分佈在6th70nm之間。
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