boundary crystal 中文意思是什麼
boundary crystal
解釋
晶澆聲界-
In the first part of the paper, the explicit form of difference equation and periodic boundary condition is derived in cartesian coordinate system. secondly, the dispersive characteristic is analyzed in cylinder coordinate system for many high power microwave devices use cylinder sws. and then the method is extended to calculate the band structure of 2 - d photonic crystal, a modified yee ’ s grid is introduced to calculate the dispersive characteristic in the case of triangular lattice, so that both square lattice and triangular lattice cases can be solved in cartesian coordinate system
周期電磁結構的一個重要應用就是用作高功率微波器件中的慢波系統，考慮到目前大部分高功率微波器件的慢波系統多採用圓柱周期結構，在論文第四章中，在圓柱坐標系下，給出了差分方程和周期性邊界條件的具體形式，同時編寫程序，分析了milosws ，盤荷慢波結構的色散特性。 -
So re oxides has two form existence, one is concentrate on the matrix equiaxial crystal grain boundary as a micron particles and the other is distributed in matrix crystal dispersively as the nanometer particles compared the electron emission performance of mo - la2o3, mo - ; la2o3 - y2o3 and mo - la2c > 3 - sc2o3 cathode, the mo - la2o3 - sc2c > 3 cathode show excellent electron emission character
上述研究表明不論是在稀土?鉬陰極還是在稀土?鎢電極中，稀土氧化物的存在形式有兩種，一種是微米級的顆粒偏聚于晶界處，另外一種是彌散分佈於基體晶粒的納米小顆粒。 -
Ceramic crystal boundary and its application
陶瓷晶界及其利用 -
Now, have ascertained preliminarily that the mineral resource in boundary has tin, alluvial gold, lead, zinc, crystal stone, mica, reasonable stone and the kind of white marble, animal resource has wild ox and blue sheep, dian golden monkey, little panda and black bear etc., medicine has yellow company and day flax with plant, fu ling, shellfish mother and ox night, qiang work
目前已初步探明境內礦物資源有錫、沙金、鉛、鋅、水晶石、雲母、在理石、漢白玉類，動物資源有野牛、巖羊、滇金絲猴、小熊貓、黑熊等，藥用植物有黃連、天麻、茯苓、貝母、牛夕、羌活。 -
Crystal boundary migration
晶界移動 -
The crystal grain boundary of v2o5 films was melted and disappeared as increasing the deposition temperature, and the crystalline v2o5 films can be obtained by deposition at > 300. these films showed excellent cathode and anodic electrochromic performance at different wavelength region
而襯底溫度升高促進薄膜晶體顆粒長大、熔結，晶粒邊界消失，在較高襯底溫度（ 300 400 ） ，得到連續的結晶性能良好的v _ 2o _ 5薄膜。 -
We can control the director orientation by boundary conditions or applying a magnetic ( electronic ) field. for the liquid crystal cell, the director orients fixed because of the surface treatment
對于液晶盒，由於液晶盒基板表面是經過處理的，所以沿基板表面液晶的指向矢有確定的排列取向。 -
Although the resistance to oxidation increases with the increase of tungsten, the netlike carbides distributed along the crystal boundary including m2c, m6c and complex carbides manifold by means of the analysis of optical microstructure, xrd and reckoning the volume fraction of carbides by lattice
1變質時；晶粒大小在扣100pm之問，而網狀碳化物明顯細化，網狀碳化物處在10 30um之間；用1 4 re1i mg復合變質后，晶粒大小在10 50um之間，網狀碳化物處在10 20um之間，組織細小而均勻，絕大部分晶界碳化物呈斷網狀分佈。 -
On the surface of annealed 45 steel, as the pearlite in it contains cementite phase and has high crystal boundary density, the nucleation and growth of deposits prefer to occur at the pearlite at the beginning during depositioa the coating exists in form of nano - polycrystal layers composed by gathering of nano - sized crystals
在退火態45鋼表面，由於珠光體組織中含有滲碳體相且具有比較高的晶界密度，因而在沉積初期鍍層優先在此處形核和生長；鍍層在基體表面是以納米尺度的晶粒聚集在一起形成的聚晶體形式存在的。 -
With a voltage operating, the flexoelectric effect for a nematic liquid crystal ( nlc ) cell has been investigated theoretically with an analytical approach, and the absorption of ions has not been taken into account. the equations and the boundary conditions of the nlc tilt angle 6 have been deduced
文中假定液晶在界面處沒有離子吸附，導出了電場作用下指向矢傾角滿足的方程和邊界條件，以及撓曲電效應引起的表面能，該表面能在上下基板處形式相同但是符號相反。 -
Based on the elastic theory of liquid crystal and variation theory, the effect was studied, and the differential equation and boundary condition about the director of liquid crystal were obtained
基於液晶彈性理論研究了這一效應，通過變分理論得到了液晶指向矢滿足的微分方程及邊界條件。
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