实验

The main results that have been accomplished in the paper are listed below: 1. Accumulated lots of experimental data of life-parameter signals with the equipment of detecting the wounded. 2. Provided a method of frequency domain signal integration based on FFT to detect non-contact life-parameter signals. 3. Built up an algorithm of lifeform identification which was based on the time and the frequency domain analysis of life-parameter signals. 4. Developed an application software of life identification for the wounded detecting equipment system S2000?

取得的主要研究结果有：1、用现有的伤员探测实验平台采集了大量生命参数信号，积累了实验数据，为信号处理及信号特征提取研究打下良好的基础；2、提出了基于FFT频域积累的方法进行非接触生命参数信号分析与检测；3、综合时域、频域中生命参数信号特征分析的实验结果，形成生命体识别算法；4、为52000—l型伤员探测装备样第2页第四军医大学硕士学位论文机研制了伤员探测生命体识别软件系统。

On the basis, further isolated-living condition and moderate unpredictable stress are applied successively to set up PSD rat model . The neurological functional recovery of stroke rat is assessed by Longa 5 grades and horizontal bar test.Sucrose solution consumption test, open-field test and passive avoid test are used to estimate the change of interest, the level of spontaneous motor activities and investigative behavior of PSD rat model.Fluorophotometry is applied to detect the monoamine neurotransmitters(NE,5-HT and DA) of the double frontal-parietal cortexes and brain stem. Investigating the action of YuLeShu on the neurological functional recovery of stroke rat.

运用Longa5法和水平木棒法评定卒中大鼠神经功能恢复；运用糖水实验、敞箱实验、被动躲避实验评定PSD大鼠的兴趣感变化和自发活动、探究行为等抑郁行为学改变；采用荧光分光度法测定双侧额顶皮层及脑干的单胺递质：去甲肾上腺素(Norepinephrine，NE)、5-羟色胺(5-Hydroxytryptamine，5-HT)、多巴胺(Dopamine，DA)含量。

Taking the double-U type ground heat exchanger as example, performs in-situ thermal response tests in three different seasons, and the results show that there does exist the seasonal effect.

以双U形地埋管换热器为例，进行了3个不同季节的地下热响应换热实验。实验结果表明，在地埋管换热器地下热响应实验中存在着季节效应。

The flow regime in downcomer can be divided into two kinds: cross flow injection and impingement. Cross flow injection only takes place under low injection flow rate in dowcomer flow. The investigation on flow regime and heat transfer in RPV under PTS is for the first time in China.

在国内本实验是第一个研究下降环腔内的流动与传热，在国际上，象这样同时进行了流动可视化，常温常压下传热和高温高压下传热的实验也不多，特别是针对下降环腔内对流换热系数的研究，在公开文献中还没有相类似的实验。

The experimental setup is designed to measure the change of dynamic holdup during the course of non-reflux period and the calculation value is consistent with the experimental results, which indicates that the downflow velocity of dynamic holdup becomes smaller with the decrease of dynamic holdup in the column during the course of non-reflux period.

本文设计了测定无回流过程中动持液量变化的实验装置，在与动态液相交换的全回流间歇精馏串联实验相同的条件下测定了无回流阶段的动持液量变化，模型计算值与实验值比较吻合，结果表明在无回流过程中随着精馏塔中动持液量越来越少，动持液向下流动速度也越来越小。

This is the operating system at the time of learning a second experiment, the experimental dynamic management of memory, there are experimental reports.

详细说明：这是学习操作系统时的第二个实验，内存动态管理的实验，内有实验报告。

Elastic scattering of 〓 and 〓 with proton using reversible kine-matics is studied.

论文讲述了采用逆运动学方法用放射性核束〓和〓与质子弹性散射的实验准备、设计方法、实验情况、实验数据处理。。。

The main research work of this paper are focused on following areas:(1) Based on review of the theory and methods on measurements of particle fields, a new idea for obtaining particle size and velocity distribution within a spray through imaging the particle field with a laser light sheet was put forward;(2) A DPIV (Digital Particle Image Velocimetry) system, is fit for velocity measurements of low speed flows, was developed and expended to particle size distribution measurement;(3) An arithmetic for particle velocity field reconstruction was developed, and the velocity distribution of water mist was also obtained;(4) A software system for particle analysis, which based on image geometry emend, de-noise and image partition was developed, the parameters such as particle size distribution, mean diameter, number of particles, minimum and maximum diameter can be got with this system;(5) A water mist system was developed and its characteristics, such as droplet velocity, size distribution, number of droplets and spray cone angle under different conditions were obtained from experiments with PIVS;(6) The measurement results of water mist characteristics with PIVS were compared and analyzed with the simply simulated results, and in addition, in order to verify the accuracy of PIVS, some experiments were conducted with the standard particles, such as glass-ball with known mean diameter of 50μm and 115μm, metallic coated tracing particle with mean diameter of 12μm;(7) Some experimental studies on interaction of water mist with liquid pool fires were conducted.

本论文的主要工作包括以下几个方面：（1）在对粒子场测量的相关理论和具体方法进行综述分析的基础上，提出了通过采用激光片光对粒子场进行成像以获取其粒径和速度等参数分布的新思路；（2）研制了适宜于低速流动速度场测量的DPIV(Digital Particle Image Velocimetry)系统，并使其实现了对粒子场粒径分布的测量功能；（3）研制了基于粒子运动轨迹的速度场重建算法，获取了细水雾雾场的速度分布；（4）研制了基于几何校正、去噪、图象分割等图象处理方法的"粒度分析软件系统"，该系统既可分析给出粒子场的粒径分布直方图和平均粒径，还可给出粒子的数目以及最大、最小粒径等信息；（5）建立了一细水雾发生系统，并应用上述方法对不同压力条件下细水雾系统的雾场特性（如速度分布、雾滴粒径分布、雾滴的数目、喷雾张角以及雾化长度等）进行了实验测量研究；（6）对细水雾特性参数的PIVS测量结果与计算机简单模拟计算结果进行了定性比较分析，并利用平均粒径为50μm和115μm的玻璃球以及12μm的标准示踪粒子对PIVS系统的粒径和速度测量结果进行了实验验证，同时对其局限性进行了分析讨论；（7）对不同工况条件下细水雾与油池火相互作用的过程进行了模拟实验研究。

On the other hand, we observe a pressure induced phase transition from enstatite to ringwoodite under pressure of 20 GPa by X-ray diffraction. The conductivity of ringwoodite with water at 20 GPa is in good agreement with the available measurements of hydrous ringwoodite.

另外，X射线衍射实验表明压力（20 GPa）诱发了顽火辉石向林伍德石的相变，这是我们首次在顽火辉石的电导率实验中观测到林伍德石含水相变，而且含水林伍德石的电导率与已有的实验结果相当一致。

The preparation process of equisetum pratense total alkaloid includes the following steps: coarse pulverizing equisetum pratense to obtain rough powder, methyl alcohol percolation to obtain percolate, recovering methyl alcohol, concentrating, degreasing by means of petroleum ether, alkalifying concentrate, CHCl3 extracting, soda lye washing, neutral water washing, recovering CHCl3 to obtain rough alkaloid, adsorption by using silica gel column, eluting, recovering solvent so as to obtain refined EPR.

该发明是通过两个步骤来实现的：第一步，提取草问荆总碱，流程：草问荆粗粉――渗漉液――浓缩液(析胶、石油醚脱脂、氨水碱化)――碱化浓缩液(CHCl3萃取)――CHCl3层――CHCl3液(回收CHCl3)――粗生物碱――吸附硅胶柱――精致EPR。第二步，选择实验试剂、仪器、用小鼠作为实验对象，进行中枢神经系统实验，研究作用及作用机制。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐