域

To determine value and relation between Lorenz plot and time/frequency domain index of heart rate variability.

目的：探讨心率变异性分析中Lorenz散点图与时域、频域指标的相关性及其诊断价值。

The n make a conbrast analysis to the time domain and frequency domain of heart rate variability.

对86例海洛因依赖患者与89例对照组进行全程24 h动态心电图检查，并行心率变异性时域和频域分析对比。

Objective :To observe the changes of the different frequency domain of heart rate variability after the partial block of the sympathetic and vagal activity and to prove the correctness of the analysis system.

目的：探讨药物部分阻断交感神经、迷走神经后心率变异各频域能量的变化，以推证本文采用的心率变异频域分析方法。

Methods Make a 24-hour dynamic ECG to 86 drug addicts and 89 normal subjects.Then make a conbrast analysis to the time domain and frequency domain of heart rate variability.

对86例海洛因依赖患者与89例对照组进行全程24 h动态心电图检查，并行心率变异性时域和频域分析对比。

METHODS: Eighty nine flying cadets were tested by Sternberg dual task of three different difficult levels, their ECG was recorded and the variables of time and frequency domain of heart rate variability were analyzed.

89名飞行学员分别完成3个不同难度等级的Sternberg双重任务作业，同时记录心电信号，分析时域及频域HRV。

During high volume training, 10 elite professional male wrestlers and 5 average professional male wrestlers were tested by time domain, frequency domain of short-term heart rate variability in the resting time after one week training .

选取摔跤运动员15人，分为优秀组(10人)和普通对照组(5人)，在大运动量训练期间，连续三周进行心率变异性测试，获得其时域、频域各指标。

The origin of travelling wave and its propagation characteristics of modal components in time-domain and frequency domain are analyzed. The characteristics of configuration of railway Automatic Blocking/Power Continuous Lines and principle of various methods of travelling wave fault location are studied. Using transient surges extracted by transform voltage on the lines, a new method of double-ended principle of fault location is proposed.

本文分析了故障暂态行波的产生机理和模分量在时域、频域的传播特性，研究了铁路自闭/贯通线路的结构特点以及目前各种故障测距原理，提出了利用线路侧电压互感器提取暂态行波双端故障测距的新方法，该方法能够精确地测量各种类型的故障距离。

Based on the analyzing of finite field multiply operation, Matlab was used to simplify the sections which were complex and resource-consumed. As a result, a simple form of combinational logic was obtained. And bit-parallel multipliers under nature or dual basis were designed separately in finite-field with VHDL language.

在分析有限域乘法运算法则的基础上，用Matlab简化其复杂而消耗资源的部分，得到形式简单的组合逻辑，并用VHDL语言分别设计了有限域GF(2m)中自然基和对偶基下比特并行乘法器。

We purified the target protein under natural conditions by MCAC through Ni-NTA resin. The purity of this fusion PH domain of IRS-1 was up to 98％. We paned out the oligopeptides that can bind to this target protein from a phage displayed random duodecimal peptide library. The identities of peptide sequences of positive clones were analyzed.

因此，我们利用融合表达载体pRSET在T7启动子的调控下表达出氨基端带六个连续组氨酸标签的IRS-1的PH结构域，利用Ni-NTA介质在非变性条件下对目的蛋白进行了金属螯合亲和层析纯化，获得了纯度达98％以上的PH结构域融和蛋白，以此为靶分子，从噬菌体展示随机12肽库中筛选出能够与其相结合的短肽，并分析了阳性克隆的序列一致性。

The affecting factors and typical characteristics of operating conditions for frequency spectrum of dynamometer cards were discussed.

利用将时域信号转换为频域信号的方法，研究了各种频率的能量分布及信号的规律性。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。