Power distribution design ( PDN) has always been a hot topic. 配电网络设计(PDN)一直是热门话题。
The results were that the intrinsic viscosity of PDN solution increases with the decreasing of its concentration in pure water; 结果表明,在纯水中,随着PDN浓度的降低,溶液的特性粘度上升;
'Zero Impedance Branch' model based on the character of PDN structure is introduced, then the ER model of PDMS AM/ FM/ GIS has been built, and the designing procedure is briefly described. 据配电网结构的特点,提出了零阻抗支路模型,在该模型的基础上,建立了配电AM/FM/GIS系统的ER模型;对属性数据库的设计进行了简要的描述。
ZD-DFS cluster system achieves high performance for storage and retrieves of magnanimous data. It is well scalable. Due to PDN has magnanimous data, which change frequently, the database designing of PDMS AM/ FM/ GIS is the focus of this paper. 由于配电网信息具有海量数据,关系复杂且变更频繁,配电AM/FM/GIS系统数据库的设计也就成了本文的重点。
Implementation and application of an interface software between 32-bit microcomputer workstation and PDN 32位微机工作站与公用数据网接口软件的实现及应用
Clinical results of nucleus replacement with PDN 人工髓核假体置换的临床疗效
The effects of rotate speed, compression force and the intrinsic viscosity of PDN were significant. 转速、压片压力及PDN的特性粘度对缓释药物的释放均有一定的影响。
Conclusion It is possible to relieve pain in Patients with PDN by decompression of three peripheral nerves. 结论应用外周神经减压术,可有效帮助痛性糖尿病神经病患者缓解疼痛。
PDN replacement for the treatment of degenerative disc disease 人工髓核置换术治疗退变性腰椎间盘病的近期效果
At the same time, the numerous facilities and their topological relationship can be presented in map. Obviously, the management mode with graphical approach may ease the difficulty of managing PDN and guarantee the quality of operation. 而这些浩繁的电力设备和错综复杂的拓扑关系都可以在地图上表达,以图形化的方法进行管理配电网显然降低了管理的难度、保证了系统的运行质量。
Clinical Research of PDN-SOLO TM Artificial Nucleus Replacement PDN-SOLO~(TM)人工髓核置换术的临床研究
Objective To discuss the Surgical outcome in Painful Diabetic Neuropathy ( PDN) patients treated by Decompression of Three Peripheral Nerves. 目的探讨外周神经减压术治疗痛性糖尿病神经病的疗效。
Combined with the real PDN planning model, the solution flow of PDN planning based on Genetic Algorithm ( GA) is given, the algorithm class and element class definitions of GA, PDN power flow algorithm and so on are defined. 结合实际配电网规划模型,给出了基于遗传算法的配电网规划求解流程,定义了遗传算法、配电网潮流算法等相应的算法类及配电网元件类;
Objective To evaluate the clinical value of prosthetic disc nucleus ( PDN-solo) replacement for lumbar disc herniation by comparing it with traditional solely discectomy. 目的比较人工髓核假体(PDN)置换术和传统单纯髓核摘除术治疗腰椎间盘突出症的疗效,评价人工髓核假体置换术的实用价值。
In this way, the wireless core network element PGW ( PDN gateway) must be able to handle the traffics from all these networks, and also support the smooth mobility of end user among the three networks. 所以无线网络核心网网关设备PGW必须要能处理这些网络的业务,而且要支持手机用户在这三种网络中的无缝移动。
GPRS networks provide packet-switched services based on internet protocol ( IP), which make End-user can access the external packet data network& Internet. GPRS网络提供了基于IP的分组交换数据业务,这就使得终端用户可以访问最大的分组数据网络(PDN)&Internet。
However, the power supply noise cannot be ignored in the design of PDN, because the package in the high speed interface shows a greater inductive. 然而,由于封装在高速系统中呈现出更大的电感性,几乎不可能在设计PDN时将高速接口中的电源噪声做到忽略不计。
The activity of Pd/ TNT mainly depended on the metal dispersion, morphology and crystallinity of the catalyst. Additionally, the presence of Pdn+ resulting from the strong metal-interaction between metal and support could markedly enhance catalytic activity. Pd/TNT系列催化剂的活性主要取决于金属的分散度,受载体形态与结晶度的两方面的影响,而强金属与载体相互作用可以提供活性金属组分Pdn+有利于催化反应活性。
To solve the noise transmitting coupling problems in PDN, a novel π-type Low-Pass-Filter ( LPF) structure is proposed and corresponding circuit model is built and discussed. 为了解决噪声在PDN中的传导性耦合问题,本论文提出了新型π型低通滤波器结构,并建立了相应的电路模型。
The new device has the merits of simple structure, low-cost, wide suppression bandwidth, compatible with current process etc. and is very suitable for SiP PDN design. 新型结构具有结构简单、成本低,抑制频带宽,与现有制造工艺兼容等特点,非常适用于系统级的PDN设计。