ppk

Auto Synchro Magnetic Tape Record for PPK Signal

PPK信号自同步磁带记录

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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。

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Basic Characteristics Analysis of Multiple Pulses PPK Coded Modulation

多脉冲PPK的编码调制基本分析

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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）。

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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。

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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。

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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。

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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。

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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。

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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。

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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。

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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。

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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。

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