發狀晶體 的英文怎麼說

中文拼音 [fāzhuàngjīngtǐ]
發狀晶體 英文
hair like crystal
  • 發 : 名詞（頭發） hair
  • 狀 : Ⅰ名詞1 （形狀） form; shape 2 （情況） state; condition; situation; circumstances 3 （陳述事件或...
  • 晶 : Ⅰ形容詞（光亮） brilliant; glittering Ⅱ名詞1. （水晶） quartz; （rock） crystal 2. （晶體） any crystalline substance
  • 體 : 體構詞成分。
  • 晶體 : [晶體學] crystal; vitrella; crystal body; crystalloid; x-tal
  1. The thickness had some influence on the development of the banded spherulites : when the thickness reduced to some degree, pcl would develop chrysanthemum - like spherulites, which had no extinction rings or the maltese cross pattern under the crossed polarized optical microscopy. the results of the phase - contrast microscopy showed that growth speed of the chrysanthemum - like spherulites along the radius was not constant

    發現薄膜厚度對球晶的生長有一定的影響，當共混物膜薄到一定程度時， pcl不能形成環帶球晶，而是形成一種類似菊花狀的晶體，在偏光顯微鏡下看不到環帶，也沒有典型球晶所特有的maltese十字消光圖案。
  2. Raphides bunches of needlelike crystals of calcium oxalate found in certain plant cells

    針晶體：在一些植物細胞中發現的成束存在的草酸鈣形成的針狀晶體。
  3. According to the minimum principle in energy, we analyze the microcosmic mechanism of magnetic domain construction and the main factor that affect the shape, size and connecting of the magnetic domain etc. from the microcosmic mechanism of ferromagnet, we analyze how stress influence the magnetic domain and magnetic domain wall, and discover the increase of stress energy and magnetism elasticity energy which destroy the balance of system energy make up the influence of magnetic domain structure, then set up basic disciplinarian between stress and characteristic of magnetism

    同時根據能量最小原理，從理論上分析了磁疇結構存在的微觀機理以及影響磁疇結構運動、變化的主要因素，得出了應力的存在將影響磁疇的形狀、大小和搭配方式等結論。從鐵磁晶體的微觀機理出發，研究了應力對磁疇和磁疇壁的影響，發現應力影響磁疇結構的本質是由於應力的作用使得鐵磁晶體增加了應力能和磁彈性能，體系為了達到新的平衡，導致了磁疇結構變化，並研究了應力與鐵磁晶體磁特性之間的基本規律。
  4. The precursors of lico0. 8ni0. 2o2 cathode material for lithium - ion batteries are prepared from lithium hydroxide, cobalt acetate, nickel acetate and oxalic acid by the method of low - heating solid - state reactioa the ucoagnioiqz samples are obtained by sintering the precursors at different temperatures for 12hr. their structures and morphologies are studied by the powder xrd and sem

    由於mil ：的jalllieller效應使mhoj面體發生畸變，焙燒溫度對樣品晶體棚及電化學性能的影響4肽，與同樣方法合成的li帥及eenaq相比， d仙血o的晶胞形狀變得更加扁平，晶胞體積增大。
  5. The lower part is a micro - tidal range evaporative tidal sequence consisting of thin - bedded gypsum - bearing, muddy - limestone and dolomicrite

    下部為薄層的含石膏、硬石膏晶體、團塊及腸狀石膏層的泥晶灰巖、微晶白雲巖組成的小潮差蒸發潮坪層序。
  6. And unusual specialities like drusy quartz, with its surface covered by tiny sparking crystals, and rutilated quartz, which has a landscape of shining gold needles inside it, are adding variety and nature s artistry to unusual one - of - a - kind jewellery

    許多微小閃爍燦爛的水晶晶體，或發晶：是晶底為白水晶或茶晶，而內包金光閃閃的針狀礦物包體
  7. Abstract : we have studied the spontaneous emission from a three - level atom with an external - driving field in a photonic crystal. as a result of quantum interference and photon localization, the population in the two upper levels displays quasi - oscillatory oroscillatory behavior. this depends on the initial atomic state and the relative positions of the two upper levels from the forbidden gap. the intensity and the phase of the external field can affect spontaneous emission from the atom. the properties are different from a three - level atom either in vacuum or in aphotonic crystal without an external driving field

    文摘:討論了在雙光子驅動場作用下，三能級原子在光子晶體中的自發發射問題.由於量子干涉和光的局域化作用，兩個上能級中的占據數將具有周期振蕩或準周期振蕩的性質，這不僅依賴于兩個上能級與禁帶的相對位置，同時也依賴于原子的初始狀態，而且還與驅動場的強度、驅動場的入射位相有關.這些性質既與真空中帶有驅動場的原子的自發發射性質不同，也有別于無驅動場作用下光子晶體中三能級原子的自發發射性質
  8. 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 。
  9. We have developed the theory of boundary shielding approximation of electric polarization, from which the values of spontaneous polarization of some typical ferroelectric materials can be derived. the shielded charges in ferroelectricity are in the state of surface bound polaron - dipole whose creation and annihilation must span a potential barrier. by introducing statistical method, four types of typical electric hysteresis loops of some common crystals and ceramics have been given, which are well consistent with the experimental results

    利用電極化的邊界屏蔽近似，可計算出一些典型鐵電單晶的自發極化強度.鐵電屏蔽電荷處于表面束縛極化子偶狀態，其產生和湮沒要跨越位壘.由統計方法給出的一些常見晶體和陶瓷的四種典型電滯回線形狀，和實驗觀察到的結果一致
  10. Research and development of emerald laser crystals

    祖母綠激光晶體及其激光器的研究現狀與發展
  11. Sapphire crystal is hexagonal, rising from a flat base, and the researchers found that most vertical slices of sapphire apparently expose constituent aluminum and oxygen atoms in layouts that promote the formation of nanotubes in orderly rows

    藍寶石晶體為六角形，底部為平面，研究人員發現藍寶石的垂直切片，大多會使藍寶石成份中的鋁和氧原子暴露出來，而且其排列方式可促使奈米管排成規則的形狀。
  12. Current research of the technique of ga diffusion and the negative resistance effect of open - tube ga - diffusion transistor are emphasized

    重點介紹了目前開管ga擴散工藝的發展現狀和開管擴鐮晶體管負阻效應的研究現狀。
  13. Both of them are added to the reactor by way in turn at lower temperature to control the over - saturation of k2feo4, adoption of the lower reaction temperature as well as suitable reaction time, removing alkaline be done before disposing water and impurity in the purification procedure of k2feo4 cake

    ，其形貌呈長而薄的板條狀；該晶體的某些晶面與水氯法所得kj 。樣品相比出現了生長發育程度上的差異：本方法所得樣品的熱穩定性較高，隨著晶粒由小到大，固態凡eo 。的熱分解溫度為536 557k ，
  14. The obtained qcm sensor has sensitive response to the liquid density and can be expected as a density meter. composite films of p - cyclodextrin ( p - cd ) bound to the titanium dioxide nanoparticles were tightly coated on the surface of qcm

    研究發現在乾燥失水的過程中，滴加到tio2多孔膜表面的-環糊精分子與納米二氧化鈦發生縮水反應，形成網狀物質，牢固地結合在壓電晶體表面。
  15. The influence of nano - al2o3 on the sintering and the properties of the si3n4 ceramics was researched in this paper. the samples with different amount of nano - al2o3 were obtained by using pressureless sintering at 1600, 1650, 1700 in the nitrogen atmosphere. the microstructure and the composition of the ceramics were determined by the means of x - ray, sem, micro - hardness meter etc. it is show that the sisty ceramics can be densified at 1650c to % percent of the theory density through the addition of nano - al2o3 ( the value could be 90 percent by other technique ). the crystalline growth of the cylindrical - si3n4 and the ratio of its longitude to its diameter are increased with the addition of nano - al2o3. a uniform microstructure and an fined crystal as well as more sialon phases can be obtained in the si3n4 ceramics through the addition of that

    實驗結果表明：在碳管爐中、氮氣保護下進行燒結，添加劑為納米al _ 2o _ 3粉末時，由於納米粉末的高活性、高燒結驅動力，在1650就可使si _ 3n _ 4完全地燒結，並使其緻密度可達理論密度的96以上（比其它工藝高6左右） ；同時，納米al _ 2o _ 3地加入大大促進了長柱狀? si _ 3n _ 4的生長和發育及柱狀晶長徑比的提高，使微觀結構均勻、細化，形成了更多力學性能優異的固體? sialon相，減少了不利於陶瓷材料性能的晶間玻璃相，凈化了晶界。
  16. In this paper, the present situation and development of the research on growth mechanism of crystal are also discussed

    對晶體生長機理的研究現狀和發展趨勢予以了討論。
  17. In the chapter 1, we have introduced the development of ultrashort pulse laser and summarized the background and resent research advance of clbo

    第一章介紹了超短激光脈沖的產生及發展狀況，綜述了clbo晶體的研製背景及光學性質的研究進展情況。
  18. The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate

    採用pld技術進行了碳氮化合物薄膜沉積，得到了含氮量為21at的cn薄膜；研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響，給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因；引入脈沖輝光放電等離子體增強pld的氣相反應，給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑；應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ，得到了含n量為56at的晶態cn薄膜；探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系，證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果；採用光學發射譜技術對cn薄膜生長過程進行了實時診斷，得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律，給出了cn薄膜沉積的主要反應前驅物，揭示了cn薄膜特性和等離子體內反應過程之間的聯系；採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性，揭示了si原子對薄膜生長過程的影響，給出了si基表面碳氮薄膜的生長模式；在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積，證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性，並可顯著提高晶態碳氮材料的生長速率。
  19. This article summarized the development of the domestic and foreign ultra - precision machine tools and the research on kdp crystal essential technology

    本文綜述了國內外kdp晶體超精密加工技術研究的發展狀況。
  20. Firstly, this paper describes the development and status of crystal resonators. its advantages as a frequency control component are presented

    本文先敘述了晶體諧振器的發展及其現狀，晶體作為頻穩器件的優點。
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