查询词典 nasal cavity

The structure consists of at least two active regions emitting light with different main wave length, each of them has its own optical waveguide limit layer, two or multiple optical spectrum with different main wave length are mixed together to produce white light; cleavage cavity surface of both sides are plated reflecting film to form photon resonant chamber, light-emitting direction is all from side, this structure is suitable for LED with GaN or ZeSe base or other materials, the substrate is mode of sapphire, SiC or other materials.

本发明是一种直接出射白光的高亮度功率型LED芯片，其结构是：设有至少两个发射不同主波长光的有源区，每一个有源区具有各自的光波导限制层；两种或者多种主波长不同的光谱混合在一起产生白光；其两侧的解理腔面都镀有反射膜，形成光子谐振腔；光出射方向为全侧面出光，此种结构适合GaN基或ZeSe基的LED，或者其它材料的LED；其衬底是蓝宝石衬底，或SiC衬底，或者别的衬底材料。

The influence of the position of the collimating lens on the DLA system phase-locked in an external cavity has been investigated by using Fourier analysis, the angular spectrum theory of the plane wave and the light ray tracing method.

利用傅立叶分解，平面波传播的角谱理论和光线追迹的方法讨论了在DLA外腔锁相中准直透镜的位置对系统的影响。

An external-cavity semiconductor laser was built by using a semiconductor laser, collimating cylindrical column lens for fast axis beam and a volume Bragg grating as a feedback element to get semiconductor lasers wavelength locked to the Bragg wavelength of the VBG.

用体布拉格光栅作为反馈元件与瓦级半导体激光器以及快轴准直柱透镜构成一个可以将半导体激光器的工作波长稳定在体布拉格光栅布拉格波长处的外腔激光器。

Spoken Arts performance characteristics of form and style, music songs mainly to the structure, use of cross-cutting theme of the European opera and Chinese opera plate cavity combination of development practices.

全剧音乐以四川民歌为基础，吸收了川剧、四川清音等地方戏曲、说唱艺术的表演形式和风格特点，音乐结构以歌曲为主，运用了欧洲歌剧主题贯穿和中国戏曲板腔体相结合的发展手法。

The absorption coefficients of these two high concentration EDFs reach 66.3dB/m and 59.5dB/m at wavelength of 1530nm respectively, Short cavity ring structure high concentration EDF lasers with these two high concentration silica host high concentration EDFs were presented.

利用这两种石英基高浓度掺铒光纤，采用环形结构制作出了短腔的光纤激光器，光纤激光器中铒光纤长度分别仅为30cm和90cm。

Objective: To investigate the nursing measures of cancer patients with picc Conduit pipe from peripheral venous to centre Methods: The process was adopted of the PICC conduit pipe that the USA company produced, who's long charge of 60 cms , charge of cavity volume 1ml.

目的：探讨对肿瘤患者从外周静脉置入中心静脉导管的护理措施。方法：采用美国巴德公司生产的PICC导管，管长60cm，管腔容积1ml。

In order to prolong the service life of roller bearing, a deep end-cavity roller is applied to roller bearing of cone bits.

国内现有牙轮钻头滚动轴承多采用短圆柱滚子轴承结构，滚子边缘处存在应力集中现象，使得轴承接触表面极易发生疲劳破坏，为提高牙轮钻头滚动轴承抗接触疲劳寿命，提出在牙轮钻头滚动轴承中采用凹端圆柱滚子的方案。

Based on this pattern, we create a sand core and cavity.

根据这个模式，我们创建了一个砂芯和型腔。

Adding Te powder in the costing of sand core can effectively prevent shrinkage cavity and channel from producing.

碲粉的加入可防止贯穿型缩孔缩松和沟槽的产生。

MethodsAnti-inflammation effect of wild and cultivated Polygonun capitatum were observed by mouse abdominal cavity capillary permeability increase test induced by acetic acid, mouse auricle swelling test induced by xylene, mouse pedal swelling test induced by carrageenin and cotton granuloma test in mouse.

方法采用醋酸致小鼠腹腔毛细血管通透性亢进、二甲苯致小鼠耳肿胀实验、角叉菜胶致小鼠足肿胀和小鼠棉球肉芽肿等实验进行抗炎实验，采用醋酸扭体法进行镇痛实验。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。