ppk

Objective To characterize the clinical and genetic features of punctate palmoplantar keratoderma ( PPK) in 40 cases from 5 Chinese Han families.

目的了解中国汉族人点状掌跖角化病（punctate，palmoplantar keratoderma）的临床表型和遗传学特点。

The conclusion shows DMCS can obviously improve the channel capacity compared with that of PPK/ OOK system.

结论表明：双重混合调制对于提高信道容量是可行的。

Basic Characteristics Analysis of Multiple Pulses PPK Coded Modulation

多脉冲PPK的编码调制基本分析

The definition and method of coding and decoding of PPK are introduced and the general mathematics expression of coding and decoding of a k number of pulse PPK in the pulse position at m are provided in this paper.

给出了脉冲位置为m的k个脉冲PPK调制的编、译码通用数学表达式。

Results indicated that the modified PPK showed an increase in molecular weight, tolerance to temperature and stability, and a decrease in BAEE activity.

结果表明，修饰PPK分子质量增加，保留活性降低，对温度的耐受性加强，稳定性增加。

Reductive alkylation of surface amino groups in high activity PPK ( pig pancreas kallikrein) by glyoxylic acid in the presence of sodium cyanoborohydride results in increasing the stability against irreversible thermoinactivation.

以自制高活性PPK为材料，在氰基硼氢化钠存在下经水溶性乙醛酸修饰其表面氨基，使其抗不可逆热失活稳定性有显著提高。

The results show that the PCM/ PPK is very efficient telemetry system.

结果表明PCM/PPK是一种非常有效的系统。

It can reduce the word error probability of PPK system further or make the energy efficiency of PPK system higher under the condition of given tolerable error probability.

它能进一步降低PPK体制的误字率、或在一定容错概率下进一步提高PPK体制的能量效率。

Auto Synchro Magnetic Tape Record for PPK Signal

PPK信号自同步磁带记录

CONCLUSION A PPK model of VPA in children with epilepsy in China is successfully established using the NONMEM software.

结论用NONMEM软件成功地建立了中国癫痫儿童VPA的PPK模型。

You should have received one or more PuTTY SSH secret keys ( PPK file).

您应该会收到一个或更多PuTTY SSH秘密密钥（PPK文件）。

The calculation method of Cpk is put forward with specific data. also, it takes emphasis on analyzing the relation among several indices such as Cpk, Ppk, Cpm.

然后结合具体数据，提出计算过程能力指数的方法，同时，对Cpk、Ppk、Cpm几个常用指标之间的关系进行了重点分析。

Analyses show the essential properties of modified PPK were changed slightly.

结果表明，修饰PPK在等电点等基本性质方面都有变化。