实验室系统

At first, in this paper the background and basic principle of VoIP are introduced; the much popular VoIP technology based on H.323 protocol is studied; based on the function and main working process of IP telephone system, the principle of coding of compression and transfer technology of the real-time voice are analyzed; depended on the existed experimental environment, the program of voice part of PC to PC video telephone terminal based on LAN is designed and implemented; and the problems encountered during the design of program have been analyzed and solved.

本文首先介绍了IP电话的发展简史，IP电话技术原理；对目前最为流行的基于H.323协议的VoIP技术进行了研究；根据IP电话系统的功能和主要实现过程，分析实时语音压缩编码技术和传输技术原理；利用实验室现有的实验环境，设计并基本完成了一种基于局域网的PC to PC可视电话语音部分的编程；并对程序设计过程中所遇到的问题进行了分析和解决。

In this study, a commercial CAD/CAM Software is used to plan and generate the multi-axis tool path, and a table rotating/tilting type five-axis machining center is used to perform the experimental machining operation. The material of the die studied is NAK 80 die tool steel, and the geometries are modeled as concave and convex spherical surfaces. Milling parameters considered are spindle speed, feed rate, and different types of cutting tool path. The experimental results show that the surface roughness for concave spherical surface is about 0.247 μm and roundness is about 0.0283 mm and the surface roughness for convex spherical surface is about 0.250 μm and spherical roundness is about 0.0551 mm under the cutting conditions mentioned in this study.

本研究的实验方法与步骤包括利用商用CAD/CAM系统针对实验对象规划三轴/五轴同动加工路径，并经后处理程式转换，在本实验室之平台倾斜/旋转型之五轴加工机上进行实验，实验对象为NAK80模具钢材料之凹与凸球形曲面之加工，此外考虑的切削条件有主轴转速、进给速度、加工路径等，在本研究所设定之最佳切削条件下，凹球形曲面之真圆度约为0.0283 mm，粗糙度为0.247 μm，而在相同切削条件下，凸球形曲面之真圆度为0.0551 mm，粗糙度为0.250 μm。

This paper introduced 10MOONS 2000 PLUS that is a video capture card based on 32-bit PCI Bus architecture and gave a particular description of how to use its dynamic link library function to capture the video stream and make video monitor program with an instance of video monitor system in the lab.

介绍了一种基于PCI总线的高性能视频采集卡2000PLUS，并结合其在实验室视频监控系统中的应用，举例说明了利用其动态连接库中的函数进行视频图像采集的编程方法以及监控功能的实现。

Center of Speech Technology,State Key Laboratory of Intelligent Technology and Systems,Tsinghua University,Beijing

清华大学智能技术与系统国家重点实验室语音技术中心，北京

Advanced production equipment, science and technology, improve the means of detection, enterprise system sound, covers an area of 16,665 square meters, existing staff of 281, including college education in science and technology personnel of the 22 per cent of the total number of employees, to ensure product quality and reliable stability, the company Production and technology management for many years by a biodegradable plastic polymer technology practice of professional experience, Professor MA, senior engineer at the company for the development of new products has its own development of new materials research, the company established a package of strict quality guarantee system, with Improve the laboratory and detection system.

生产设备先进、工艺科学，检测手段完善，企业制度健全，占地面积16665平方米，现有员工281名，其中大专以上学历的科技人员占职工总数的22%，为确保产品质量可靠稳定，公司生产和技术管理由具有多年降解塑料技术实践经验的高分子专业的教授，硕士，高级工程师主持，公司为开发新产品有自己的新材料开发研究室，公司建立了整套严格的质量保障体系，拥有完善的实验室和检测系统。

The system was developed at Oak Ridge National Lab in collaboration with Queen City Forging and other partners, and the equipment is manufactured by Infrared Heating Technologies.

该系统在 Oak Ridge 国家实验室和 Queen City Forging 和其他合作者协作时发展的，这种设备利用红外加热技术制造。

Application and research of clinical laboratory information management system ...

篇 名临床实验室信息管理系统的应用研究。。。

Product quality is the life, development of new products and improving the performance of enterprise development is the security, this company has always focus on the development of new products and improve product performance, development and production of a series of excellent performance, quality and reliable products of fire, and To set up a product into the Institute, physics and chemistry laboratory, gas fire-fighting laboratory, automatic sprinkler systems experimental centre.

产品质量是企业的生命，新产品的开发和性能的改进是企业发展的保障，为此公司历来注重新产品开发和产品性能改进，研制和生产了一系列性能优良、质量可靠的消防产品，并大力投入成立了产品研究所、理化检验室、气体灭火实验室、自动喷水灭火系统产品实验中心等。

Two works guaranteed the fulfilment of this studies,(1)developing compressional - and shear - waves transducers with broadband which is key part of the system in the physics model experiment, and study of the special property and using skills of the transducers , groping the relative experience to develop transverse wave measurment and observation at laboratory.(2) establishing a suit of comprehensive testing system to observe the elastic wavefield in anisotropy media .

首先通过研制物理模型实验技术中的关键器件纵横波宽频带换能器，及对其性能和使用技巧的研究，积累实验室开展各向异性介质的测试经验，建立了一套较完整观测各向异性介质弹性波场的测试系统。

The study on treatment of waste water of straw alkali pulp by white rot fungi has been made systemically in laboratory, the optimization conditions of white rot fungi culture have been given, and the relevant pilot scale equipment of white rot fungi treatment has been setup first in China.

在完成了白腐菌培养的优化条件，系统进行了白腐菌处理碱法草浆含氯漂白废水的实验室试验的基础上，进入工厂废水处理现场，自行设计安装了一套以不锈钢丝为载体，用白腐菌挂膜的生物接触中试反应器，在国内建立了第一个白腐菌处理碱法草浆废液的工厂现场中试基地。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。