分析设备

According to the present situations of the two production lines and the temperature needed by the producing technics of the heat-exchanger , using the numerical simulation with the Airpark software to analyze the reason why the cooling system can not meet the technicals requirement; with the heat transfer theory computation based on the heat transfer principle, the technical parameters of the cooling sect refer to the system technic and configuration are obtained. That are made for reasonable organization of the airflow of the cooling system and the new cooling equipment achieving the technical requirement. At the same time, it will ease the thermal pollution of the circumjacent environment and improve IAQ of the workshop

根据某厂两条换热器生产流水线的现状和冷却降温的工艺要求，用Airpark 软件进行数值模拟，分析了冷却系统无法满足工艺要求的原因；运用传热学原理进行了设备与环境的传热理论分析和计算，分析了冷却系统无法满足工艺要求的原因，得出了改造所需要的技术与结构参数，并对冷却系统进行合理布局与气流组织，使新的冷却系统发挥了应有的作用，满足了生产工艺的要求，同时也减轻了生产环境的热污染，提高了环境的空气品质。

The development and technical characteristics of Headless Welding Rolling System are summarized, the main parts of headless welding rolling equipment are introduced, and the function and feature of each part are expatiated; At the same time, flash butt weld process is analyzed, especially the key technology.

总结了无头轧制技术的发展情况与技术特点，介绍了无头轧制设备的主要组成部分，详细阐述了各部分的功能与特点，同时分析了闪光焊接的工艺过程，并着重分析了无头轧制关键技术，并对无头轧制技术的优越性与应用前景作了简要分析。

This paper studies the main geometrical parameter such as angle, height, width, stagger and the upper width in dentation and trapezoid flow path, firstly, uses the single-phase numerical simulation of the computational fluid dynamics technique to analyse the influence of different geometrical parameter on discharge coefficient and flow state exponent of drip emitter. Secondly, uses the two-phases numerical simulation of CFD (1% sand content ) to analyse the influence of the above mentioned geometrical parameter on the contribution regulation of sand and anti-clogging performance. Thirdly, uses the PIV （ particle Tracking Velocimetry ） technique which can see the small-scale flow path to observe and test the trajectories and velocities of solid particles in labyrinth flow path, and analyses the basic factors which can influence the movement characteristic of solid particles and the flow state in flow path.

本文以齿形流道、梯形流道为主要研究对象，以流道转角、流道高，流道宽、偏差量及梯形流道上底宽为主要结构参数，首先应用 CFD 单相流数值模拟技术对不同结构参数灌水器流道水力性能进行模拟，分析了不同结构参数对流态指数和流量系数的影响，其次，应用 CFD 两相流（含沙量为1%）数值模拟技术分析了结构参数对含沙量分布规律和抗堵塞性能的影响，然后，应用 PIV 可视化测试方法测试了固体颗粒在流道内运行轨迹及速度，分析了影响固体颗粒运动特性及流道内流体流态的基本因素，最后，对上述流道结构形式通过模具加工及滴灌带试制，进行了标准化测试（ GB/T 17187-1997 农业灌溉设备滴头技术规范和试验方法与 ISO 标准 ISO /TC23 /SC18 /WG5N4短周期堵塞测试程序），测试结果验证了 CFD 模拟结果，并提出了迷宫结构流道灌水器的抗堵塞设计方法。

Detect equipment series: metallographic analysis (USA Jenco optical microscope, image analysis system for measurement, metallographic analysis software), biopsy sampling manual / semi-automatic / automatic gong style Microsection sampling machine .

检测仪器设备系列：金相分析(美国Jenco金相显微镜、影像量测分析系统、金相分析软件)、切片取样（手动/半自动/全自动锣式金相切片取样机。

CIT-2000SMP portable fluorescence analyzer can ore, concentrate on-siteRapid analysis, external cooling, semiconductor or proportional counter of the two probes, to meetThe mining, and mining sector to higher accuracy of portable analyzer requirements.

CIT-3000SMP便携式X荧光分析仪是集当今最新电子技术、计算机技术和核分析方法于一体，具有微机化程度高、人机界面友好、分析精度高、分析速度快、性能价格比高等特点，成为相关企业进行生产控制和科学研究的首选设备。

The requirements for this are as follows: no need to analyze the primitive data;the information net system and subsidiary facilities for analyzing must be safe and reliable;signature needed after the data before analyzing;the concrete and detailed account of obtaining process should not only be given,but be classified and stored.

电子取证的要求是：不要对原始数据进行直接分析；分析数据的信息网络系统及其辅助的设备必须安全、可靠；分析前对数据进行数字签名；对数据获取过程进行详细、具体的描述，并归档、保存。电子取证的方法包括：数字鉴定法；数据检查法；数据对比法；数据保护法；数据分析法；证据抽取法。

The main theme of this thesis is to seek strategies and waysfor the survival of Yantai Port in the competition and for its sustainabledevelopment, The thesis is composed of seven parts:Part One: IntroductionPart Two: Port development strategies and the significance ofresearchingPart Three: Analysis of Yantai Port" external environment Part Four: Analysis of Yantai Port"s internal environment Part Five: Analysis of transportation demands in Yantai Port Part Six: Development strategies for Yantai Port Part Seven: Major problems and policies related to thedevelopment of Yantai PortThrough analysis and prognosticating of equipments, stuff, organization and the external and internal environments of Yantai Port, we forecast the demands of transportation of Yantai Port.

文章分七部分：一、前言：二、港口发展战略及其研究意义；三、烟台港外部环境分析；四、烟台港内部环境分析；五、烟台港港口运输需求分析预测；六、烟台港港口发展战略规划；七、烟台港港口发展的主要问题及应采取的对策及建议。本文首先对烟台港务局港口设施和设备、组织机构、人员结构等资源及面临的内、外部环境进行了综合分析。在此基础上，利用近十年的统计资料，赁借线性回归等数学工具建立数学模型进行港口运输需求分析预测。

The problems of medical equipment purchase and management in hospital are analyzed, and improvement opinions about equipment purchase, approval, use, maintenance and rejection are proposed in order to improve the actuality of equipment purchase and management.

通过分析这些存在的问题，从设备购置、验收、使用、维护、报废等方面提出改善意见，用以改善设备购置和设备管理的现状。

In the fifth chapter, it introduces principle of equipments option of logistics center and technic parameter of storage equipments, handling equipments, conveyer system, and analyse activity capacity of palletizer and in and out conveyor, and bring forward some requirement on assist fixtures.

在第五章，介绍了物流中心设备选型的原则，储存设备、搬运设备、输送系统的技术参数，对堆垛机和出入库输送机的作业能力进行了分析，并对辅助设施提出了设计要求。

Besides,we are equipped with NC machining center,CAD valve design center,sophisticated NC equipments,Plasma arc powder built-up welding machines,efficient machining equipments etc.,and facilities for material tests,chemical element analysis,nondestructive tests,ultrasonic scald,mechanical property,and spectral analysis,as well as a team of professionals.

拥有CAD阀门设计中心、先进的数控设备、等离子弧粉末堆焊机，高效加工专用设备等，同时建有材料化验、化学成分分析，无损检测，超声波探伤，力学性能，光谱分析等检测设备和专业人员。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。