PCn

Treatment of calculus of the upper segment of ureter with severe hydronephrosis by PCN

经皮肾镜治疗输尿管上段结石并重度肾积水26例分析

A Conference Key Distribution Scheme Based on PCN Authentication Infrastructure

基于PCN认证架构的会议密钥分配方案

All factors affecting the structure of PCN are introduced .

介绍了影响PCN结构形态的各种因素；

Analysis of PCN Calculation Method for Composite Runway Pavement of Airport

机场复合道面PCN计算方法分析

Conclusion : The visualization rate of PCN was 43.0 % in Chinese .

结论：PCS内以肝尾状叶和PCN最为常见，PCN的出现率为43.0%；

Single tract PCN was used in 18 cases , two tracts was used in 4 cases .

单通道治疗18例，双通道治疗4例。

Multiuser Signal Detection for Multipath Fading Channels in DS-CDMA PCN System

直扩码分多址个人通信系统在衰落信道中的多用户信号检测

Channel Assignment and Computer Simulation in PCN

PCN中信道的指配及计算机模拟

Operation and Management of PCN

PCN的运营与管理

10 cases tried to draining urine by PCN , of which 9 cases were successful .

PCN引流10例，9例成功。

The Study on Microcells Channel Distribution in PCN

PCN中微区频道指配方法的研究

Conclusion : PCN for treatment of post renal failure was not substituted by surgical operation and transurethral surgery .

结论：PCN治疗肾后性肾衰是开放性手术和经尿道手术不能替代的。

Methods : Taking the PCN operation performed under the direct of B-ultrasonic image to diagnosis and treatment on upper urethra obstruction .

方法：采用B超引导下经皮肾穿刺造瘘（PCN）术对上尿路梗阻性疾病达到诊治目的。

Conclusions PCN treatment the cervical disc herniation results good outcomes . The mental care and intraoperative nursing is the key of operation .

结论经皮等离子体髓核成形术治疗颈椎间盘突出症的手术效果良好，术前心理护理解除病人紧张情绪及术中良好的肢体语言交流是手术顺利进行的重要保证。

As the important infrastructure of modern power grids control system , power communication network ( PCN ) reliability is directly related to the reliability of the power system operation .

电力通信网作为现代电网控制系统的重要基础设施，其可靠性与电网正常运行息息相关。

In SDS micelle system , with the addition of PCN , the spectra intensities of NRa decrease .

在SDS胶束体系中，随着PCN的加入，NRa的紫外可见光谱、荧光光谱强度减弱。

Interaction of SDS and PCN with NRa in SDS micelle

SDS和PCN与胶束中NRa的相互作用

In epilepsy group induced by injection of PCN in hippocampus , the ECoG was significantly ameliorated in 50 % rats .

海马内注射青霉素致痫组，50%的大鼠大脑皮质电图明显改善。

Both intensities of the characteristic peaks of UV-absorption spectrum and the fluorescence emission spectrum of PCN increased with the increase of SDS concentration .

随着溶液中SDS浓度的增大，SDS的紫外特征吸收峰及荧光发射峰强度均逐渐上升，直到SDS增加到临界胶束浓度。

This paper introduces an ATM-based wireless personal communication networks for next gener-ation , the service types , system design criteria , architecture and network organization of PCN are presented .

本文介绍一种未来的基于异步转移模式（ATM）技术的无线个人通信网（PCN），对其支持的业务种类、系统设计准则、体系结构和网络构成进行了详细描述。

Conclusions : For acute postrenal renal failure , PCN retrieve renal function and avoid hemodialysis , is safe and effective , B ultrasound can increase the achievement ratio .

结论：经皮肾穿刺造瘘对急性肾后性肾衰患者挽救肾脏功能有重要价值，B超定位可以显著增加成功率。

In epilepsy group induced by intramuscular injection of PCN , ECoG and behavior were markedly ameliorated respectively for 40 % and 50 % of rats .

肌肉注射青霉素致痫组，行为学及大脑皮质电图明显改善分别为40%和50%。

All factors affecting the structure of PCN , the mechanism and some theoretical models of melt intercalation are introduced , and the thermodynamics and kinetics of melt intercalation are summarized .

介绍了影响PCN结构形态的几种因素；对熔融插层法制备PCN的热力学、动力学的研究进行了总结；介绍了熔融插层的机理和几种理论模型。

Methods From July of 2003 to June of 2005,62 cervical disc herniation cases were operated by PCN . The clinical result and the intraoperative nursing were been retrospectives .

方法我院2003年7月～2005年6月采用经皮等离子体髓核成形术治疗颈椎间盘突出症62例，对患者术前心理护理、手术配合及术后效果进行患者回顾性分析。

Future wireless personal communication network ( PCN ) will support inter-network roaming between different access networks and core network for higher density and mobility users that will lead to large quantities of system resources consuming .

未来的无线个人通信服务PCN（PersonalCommunicationNetwork）将支持更高密度，更高移动性的用户，并支持采用不同接入网与核心网的用户进行网间漫游。这将会产生巨量的系统资源消耗。

( 0.24-0.48 ) mg of PCN was injected into the hippocampus of another 8 rabbits to induce epilepsy , and VNS effects on ECoG of epileptic rats were observed .

另外8只大鼠向海马内注入青霉素0.24～0.48mg致痫，观察迷走神经刺激术对致痫大鼠痫性大脑皮质电图的影响。

By experiments , the importance and necessity of pretreatment of water sample has been analyzed scientifically , and pretreatment methods for monitored elements including NH_3-N , PCN , Cr ~ ( 6 + ) and Aniline-Nitrobenzene are introduced .

从实验上科学的分析了水质样品预处理的必要性，并从理论和实践上介绍了NH3-N，总氰、苯胺&硝基苯和六价铬几种监测要素的预处理方法。

The researches of polymer / clay nanocomposites in these recent years were reviewed . the preparation , intercalation reagent choice , PCN structure , intercalation theory , properties and application were summarized . And the novel preparative methods for this material were put forward .

本文从制备方法、插层剂的选择、PCN结构、插层理论、性能和应用等方面综述了近年来聚合物/粘土纳米复合材料的研究进展，并对其制备方法提出展望。

Methods Seventeen cases with RHS were treated by PCH from February 2001 to October 2005 , which was an improved technology of percutaneous transhepatic cholangioscopy ( PTCS ) and made reference to the methods of percutaneous nephrostomy ( PCN ) .

方法2001年2月~2005年12月改良传统的经皮经肝胆道镜（PTCS）技术，参考经皮肾造瘘术（PCN）碎石取石的方法治疗复发的肝胆管结石17例。