斜方晶體 的英文怎麼說

中文拼音 [xiéfāngjīngtǐ]
斜方晶體 英文
orthorhombic crystals
  • 斜 : 形容詞（跟平面或直線既不平行也不垂直的） oblique; slanting; skew; bevel; diagonal; askew; inclined; tilted
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 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 reason of the formations of monoclinic crystals and inclusion in growth system was discussed in detail, then the method of the prevention to form monoclinic crystals and inclusion was put forward

    詳細地分析了單斜相雜晶和液相包裹體的形成原因，並且提出了消除單斜相雜晶和液相包裹體干擾的方法。
  2. In this thesis, solid state synthesis method was employed to prepare the orthorhombic layered limno2, with homogeneous structure

    本文使用固相法合成出晶體結構較為均一的斜方相層狀limno2材料。
  3. 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 。
  4. Sapphire from shandon and hainan commonly have the reaction border, we found out this reaction border enriched with fe, mg, and k by testing its components ; we also studied the inclusion in the sapphire, and found many kc1 crystal grain with variety of size, a melt inclusion enriched with k, si, is also found, this may suggest an assimilationary - magmatic course ; besides that, another minerl inclusions such as enstenite, magnetite, chromite, zircon are also found

    3 、觀察到了山東、海南藍寶石普遍存在的反應邊，並測試了反應邊的成分，證實其以富fe ， mg ，和k為特徵；研究了藍寶石裏面的包體，發現藍寶石裏面存在著大小不等的kcl的結晶顆粒，還發現了富k富si的熔漿包裹體，說明其形成過程中有同化混染的貢獻；此外還發現了斜方輝石，磁鐵礦，鉻鐵礦，鋯石的包體礦物。
  5. Firstly, in the magnetic field varying from 0mt to 1200mt, we have tested the faraday rotation angle of the three kinds of crystals. at different aspects such as nonlinear aspects, the influence on rotation angle caused by coating the crystals and inclining them the experiment has been finished. and the experiment achieved the following results : 1

    從faraday效應的磁致非線性特徵、鍍增透膜對faraday旋光角的影響、晶體傾斜對旋光角的影響三個有關旋光角的方面進行了實驗，得出： 1 、 faraday旋轉隨外磁場變化的非線性變化曲線； 2 、鍍增透膜前後晶體旋光角的變化比較曲線； 3 、晶體傾斜前後旋光角變化比較曲線。
  6. The technical breakthroughs in growth of nd : cngg had been made. in particular, continuous laser operation was achieved from nd : cngg pumped by ld. when the crystal wafer was end - pumped by one bar of ld with 807nm wavelength, the cw laser output power of 123. 1 mw was obtained with slope efficiency of 22. 3 %

    本論文用自動化熔體提拉技術成功生長出< 111 >方向的直徑25mm以上，長度80mm以上的平界面無核心nd : cngg單晶，確定了晶體結構和物相，測量了晶體的光譜性能，晶體消光比達到34db ，晶體生長技術有新的突破，實現了連續激光運轉，用單支807nm半導體激光二極體端面泵浦該晶體片子，在國內首次獲得123 . 1mw的1 . 062 m連續激光輸出，斜效率達22 . 3 % 。
  7. In the second chapter, the operating principle of solid - state laser is analyzed. based on the model of four - level system, the interacting theory between laser field and laser crystal is studied by the rate equation theory, then the characters, such as threshold power, output power, slope efficiency etc., of solid - state laser are deduced

    第二章分析了固體激光器的工作原理，以四能級系統為模型，應用速率方程理論研究了激光場與激光晶體之間相互作用理論，導出了固體激光器的閾值功率、輸出功率和斜效率等特性。
  8. I carried my research on both the two computation methods and fruitful results were obtained. for the fdtd method, i solved the instability problem of the method in the non - orthogonal coordinate system. for the pwe method, i introduce the linear transform in to calculate analytically the fourier coefficients of complicated photonic crystals

    對于有限時域差分方法，我解決了一個影響這種方法在斜坐標使用的穩定性問題，得到了傳統的yee型差分在斜坐標里的擴充；對于平面波展開方法，我引入了線性變化求富里葉展開的系數，這種方法的好處可以很方便快捷的獲得復雜光子晶體的富里葉系數。
  9. On the base of tg - dta, found the yb : kgw crystal has very good thermal stability under 1100, which has two obvious absorption peak at 1088 and 1025, contrast with the pure kgw crystal ( melting point at 1005, phase transition temperature from tetragonal system to monoclinic is 1075 ), we know the yb : kgw crystal ' s melting point is the absorption peak at 1088, phase transition peak from tetragonal system to monoclinic is the absorption peak at 1025

    利用tg - dta對所生長的yb ： kgw晶體測定說明，其在1100以下的熱穩定性是很好的。 yb ： kgw晶體在1088和1025有兩個明顯的吸收峰，判斷在1088處較寬的吸收峰是yb ： kgw晶體的熔點， 1025處的吸收峰是yb ： kgw晶體從四方晶系向單斜晶系的相轉變峰。
  10. The major composition of crystals is calcium oxalate, it crystallizes with very different crystallization kinetics, e. g. monodinic monolydrate ( com ), tetragonal dihydtate ( cod ) and triclinic trihydrate ( cot ). com is easy to form urinary stones because it has stronger affinity for renal tubule cell membranes than cod, cot

    其中，晶體的主要成分是草酸鈣，主要有三種類型：一水草酸鈣（ com ，單斜晶系） ，二水草酸鈣（ cod ，四方晶系） ，三水草酸鈣（ cot ，三斜晶系） ，其中com與腎小管表皮細胞黏附力最強，是草酸鈣型尿結石的主要成分。
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