腔的

There also aresome of domestic research reports, but absence of a more systematic experiment studyfor two kind of typical unstable resonator, hard-edge output mirror resonator and Gaussoutput mirror resonator through the comparison.

国内也有一些研究报道，但对两种典型的非稳腔，硬边输出镜腔和高斯输出镜腔作较为系统的实验测量比较还没有。

It is suggested that the fetal liver cells injected into the bone marrow cavity can settle down and proliferate here and the volume of injection should be limited.

这一研究结果说明，直接注入骨髓腔内的胎肝细胞，能在骨髓腔内定居、增殖，实验结果还提示，用骨髓内注射法进行造血细胞移植时，注入骨髓腔内的细胞悬液量不宜太多。

In this dissertation, InGaAs/InGaAsP/InP MQW microdisk laser and its characterization were presented. Some conclusions are as following: the characteristics of lasing threshold was discussed by using rate equation. The dependent relations between threshold and cavity volume, spontaneous emission coupling efficiency β were investigated. The whispering gallery mode and spontaneous emission in a microdisk geometry were then studied. Almost all spontaneous emission was coupled into the lowest order TE mode when the normalized thickness of photonics well was between 0.15 and 0.5. The design principle and device process of InGaAs/InGaAsP/InP MQW microdisk laser were presented. The microdisk lasers with the diameter of 8μm, 4. 5μm and 2μm were succesfully fabricated by using etching techniques. The pulse lasing thresholds for the microdisk with the diameter of 8μm and 4. 5μm were 170μW and 15μW, a record results compared with the published in the literature. The cw lasing threshold for a 2-μm-diameter microdisk was only a few μW. We haven't found similar report up to now. To solve the problem of directional output in a microdisk laser, the power coupling efficiency in a double disk geometry was investigated with the theory of waveguide mode couple. A new structure of electrically pumped microdisk laser with output waveguide was designed, making a foundation for the practical use of microdisk laser.

本文主要研究InGaAs/InGaAsP/InP多量子阱半导体碟型激光器的研制和特性表征，并取得如下结果：利用速率方程理论讨论了激光器激射阈值的特性，分析了阈值与腔体积和自发发射耦合系数β之间的关系；讨论了微碟光子阱结构中的自发发射特性和微碟中WGM模式特性；光子阱结构在其归一化厚度在0.15-0.5之间时，几乎全部自发发射进入到最低阶TE模式中；研究了InGaAs/InGaAsP/InP多量子阱微碟激光器的结构设计原理和器件的制备工艺；利用刻蚀方法成功制备出直径分别为8μm、4.5μm、2μm的碟型微腔激光器；直径8μm和4.5μm的微碟脉冲光泵浦激射阈值分别为170μW、15μW，是目前所见文献报导中比较低的；直径2μm的微碟连续光泵浦激射阈值仅几μW，目前尚未见到达到类似结果的研究报导；为解决微碟激光器激射光定向引出的问题，通过波导耦合模理论分析了双层碟之间功率耦合效率；据此设计了新型带耦合输出波导的电泵浦微腔激光器，为进一步研制可实用的电泵浦微腔激光器打下基础。

objective to evaluate dsa and percutaneous transluminal renal arterioplasty for the treatment of renovascular hypertension.methods 82 suspected patients with renovascular hypertension were given dsa examination.28 patients were treated by means of ptra while another 5 cases with unilateral kidney atrophy treated surgically.results 49 patients were normal,33 patients were abnormal,28 patients were treated by means of ptra.blood pressure had got to normal in 10 patients while in 13 patients bp dropped noticeably after ptra.the overall benefit rate was 82.1%.conclusion dsa and ptra are clinically effective for the treatment of renovascular hypertension.ptra is technically successful.

目的 评价经皮腔内肾动脉成形术治疗肾血管性高血压的价值。方法 82例全部行dsa检查，肾血管狭窄者行ptra术或外科手术，观察其治疗效果。结果 82例患者行肾动脉造影后血管正常者49例，异常者33例，其中单侧肾萎缩5例行外科手术（肾动脉搭桥1例），肾动脉狭窄28例行经皮腔内肾动脉成形术（血管内支架5例），术后10例血压降至正常或基本正常，13例血压得到改善，5例无效，总有效率达82.1%。结论 dsa检查和ptra术在诊断和治疗肾血管性高血压方面有明显的临床价值。高血压，肾血管性；数字减影血管造影术；经皮腔内肾动脉成形术

The Deben video Chamberscope is available for all SEMs and can be fitted to any free flange on the SEM chamber or door.

英国 Deben 出品的视频腔室观察镜可用于所有扫描电镜，安装在电镜腔室任意端口的空法兰上或腔室门上。

The ex perimental results indicate that the rats of the experimental group all manifested with postnecrotic cirrho sis, mainly forming pseudolobules, the third stage lesions; deep lingual venous pressure elevated which was correlated with that of portal pressure, portal blood flow decreased predominantly, as compare...

认为肝硬变门脉高压性瘀证的舌脉粗张与细络瘀血主要是因门脉血经门—腔侧支循环回流入上腔静脉，引起上腔静脉阻力增大，压力增高，导致舌的静脉系统回流受阻，舌深静脉压力升高所致。

First, on the basis of their musical styles the anthologized editions of The Lute are divided into Kunshan-style editions and Qingyang-style and Yiyang-style editions.

首先，根据声腔的不同，将选本中的折子戏分为昆山腔本和青阳腔、弋阳腔本。

Isolating said selected process chamber from other process chambers and from said first vacuum chamber

将所述所选的工艺腔与其他工艺腔及所属的第一个真空腔隔离

In addition, the atomic transitions are largely detuned with thecavity modes, the...

此外，由于腔场处于大失谐状态下，只有原子的基态与腔场发生作用，其激发态与腔场不发生作用，因而原子的自发辐射可以被忽略。

The gas transmission cell is designed in such a way that, with the test specimen inserted, it is divided into a dry chamber and a controlled-humidity chamber.

气体渗透腔是按这种方式设计的，当插入测试试样时它就会被分成一个干腔和一个湿度可控的湿腔。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。