检测

With the development of the sensor technology, the communication bus and the computer, how to apply those up-to-date technologies to the catenary inspection system, for improving its performance and reliability, now has become a new hot focus. And that is also the need for developing the next generation of the system at the background of heighten speed of National Railway.

随着传感器、光纤通信、计算机等技术的高速发展，如何把这些最新技术应用到接触网参数检测中，以提高检测系统的整体性能和检测结果的精确度，是当前接触网参数检测系统开发和研究的一个新热点，也是适应当前铁路大提速背景下，开发新一代高速接触网检测车的需要。

Objective To investigate extended-spectrumβ-lactamasesand AmpCβ-lactamases and metalloβ-lactamasesproducing by gram-negative bacilli in burns.Mehtods Adopitng double-disk synergy test,modified three-dimensional extract test and the enzyme inhibitor of EDTA-Na2to detect ESBLs and AmpC and mBLA producing strains.Using K-B test to perform the susceptibility testing.Results Among348strains of gram negative bacilli,ESBLs,AmpCβ-lactamases,ESBLs combined with ApmCβ-lactamases and mBLA produc-ing strains were found in122,47,9and20strains,the incidence being35.1%,13.5%,2.6%and5.7%respec-tively.

目的 了解烧伤感染主要革兰阴性杆菌产超广谱β-内酰胺酶、AmpC酶和金属β-内酰胺酶及其对常用抗生素耐药性情况，指导烧伤医院感染合理用药方法采用双纸片协同试验检测产ESBLs株，头孢西丁三维试验检测产AmpC酶株，头孢曲松三维试验检测同时产ESBLs和AmpC酶株，依地酸二钠协同试验检测产mBLA株，K-B法进行G -杆菌药敏试验。

We carry on studying and designing of drainage pipe imaging testing system comparatively lately. Therefore, it is epoch-making and meaningful that I study the drainage pipe ultrasonic imaging testing system for our country"s online ultrasonic imaging testing system. And it is very much meaningful that we improve our country"s drainage pipe level.

由于我们国家对排水管道成像检测的研究起步比较晚，所以本课题研究的排水管道超声波成像检测系统对我们国家排水管道在线成像检测具有非常重要的意义，同时对提高我国的排水管道检测水平，也具有十分重要的意义。

Specially, in the field of high voltage power system, the standard signal source, which simulates the harmonic of electric power lines, is needed to calibrate the performance of detecting instruments, such as the detection of phase of high voltage electric power lines, the measurement of performance of lightning arresters, the calibration of ammeters, and so on.

特别是在高压电力系统的检测领域，常常需要模拟电网谐波的标准信号源对检测设备的性能进行校验，例如高压电力线路的相位检测，避雷器的性能检测，用户电能表的性能校验等。

objective to establish immunological methods specific for detecting antigens in different groups of monoclonal antibodies.methods indirect immnofluorescence assay was applied to identify specificity of the two groups of monoclonal antibodies prepared with crude antigen and recombinant antigen of aspergillus fumigatus,respectively.two different double monoclonal antibody sandwich elisa assays established with the two groups of antibodies were performed to detect antigents in the cell culture supermatants of 19 common species of aspergillus,penicillium marneffei,and 5 species of candidas.results the results of indirect immnofluorescence assay indicated that the monoclonal antibodies prepared with crude antigen of aspergillus fumigatus were specific for antigens in both clinical isolates and environmental isolates of aspergillus, whereas the other group of monoclonal antibodies was proved to be specific for aspergillus fumigatus of both clinical and environmental isolates.the elisa assay established with the crude antigen-specfic monoclonal antibodies could detect both of the clinical and environmental isolates of aspergllius, while the other assay could only detect aspergillus fumigatus of both clinical and environmental isolates.and no cross reaction with the cell culture of penialllium marneffei and candidas was observed with the two methods.conclusion the elisa assays can detect both of the clinical and environmental isolates of aspergillus,and differentiate aspergillus fumigatus from other species of aspergillus.

目的 用2组曲霉单克隆抗体建立特异性识别不同种类曲霉抗原的检测方法。方法采用天然烟曲霉抗原免疫，获得广谱针对曲霉抗原的单克隆抗体；采用重组烟曲霉抗原获得特异性针对烟曲霉抗原的单克隆抗体，用间接免疫荧光鉴定，并分别建立2种双抗体夹心elisa法，对19种常见的环境和临床分离曲霉株、马尔尼菲氏青霉菌及念珠菌培养液进行检测。结果间接免疫荧光显示，用天然烟曲霉抗原免疫获得的单克隆抗体(mabs-1)可广谱识别多种曲霉分离株，而重组烟曲霉抗原获得的单克降抗体(mabs-2)仅能特异性结合临床和环境分离的烟曲霉抗原。用mabs-1建立的双抗体夹心elisa法可检测19种常见曲霉株培养液；用特异性针对烟曲霉抗原单克降抗体(mabs-2)建立的双抗体夹心elisa法可特异性检测临床和环境分离株烟曲霉培养液；与其他曲霉株无交叉反应；2种双抗体夹心elisa法与马尔尼菲氏青霉菌及念珠菌培养液均无交叉反应。

Some suggestions how to improve the ability of banned azo colorants test are put forward based on the analysis of the characteristics of banned azo colorants test method .

我国对于纺织品生态性能的检测仍然不完善，尤其是禁用偶氮染料检测能力，在精确度和数量上都不能满足生态纺织品发展的需要，文章分析了目前禁用偶氮染料检测方法的特点，对如何提高禁用偶氮染料检测水平提出了建议。

Some new determination methods of microorganisms in the food were introduced, including biochemistry method, immunology method, PCR method, biochip method, flow cytometry method and gene probe method, these methods will be important in food hygiene test, and will achieve the purpose of prevent the contagions of alimentary canal and bacterial food poisoning in finally.

介绍了许多食品安全检测新技术和新方法，包括生化检测技术、免疫学技术、PCR检测技术、生物芯片技术、传感器技术、流式细胞术和基因探针技术，并且阐述了食品安全检测技术的发展趋势，这些技术的发展将会在食品卫生检验方面起到越来越重要的作用，最终将达到预防肠道传染病和食物中毒发生的目的。

This article proposed one kind of improvement algorithm in this foundation, this algorithm has defined a filter balance factor formula, according to this formula, we readjustment filter balance factor value appropriately, through controlsling the LMS filter coefficient's freezing and the restoration, we solute echo puzzle perfectly; In the telephone condition examination algorithm aspect, in view of the busy signal examination algorithm which has has only been able to examine the busy signal, but cannot examine the dial tone, hang the staccato the deficiency, this article improves its algorithm to enable it to apply these aspects, make it can be better used in the actual system application.

本文在此基础上提出了一种改进算法，该算法定义了一个滤波器平衡因子的计算公式，根据此公式，适当调整滤波器平衡因子的阀值，通过控制LMS滤波器系数的冻结和恢复，很好的解决了回声的困扰；在话机状态检测算法方面，本文针对已有的忙音检测算法只能检测忙音，而不能检测拨号音、挂断音的不足之处，研究改进其算法使之能够应用到这些方面，更好的为实际系统的应用服务。

Aim at the problem of internal quality testing of high-pressure thin-wall welded steel cylinder pipe workpiece,the advantages of the method of using ultrasonic plate wave are obtained through the comparison of five general nondestructive testing methods by the paper.

以高压薄壁焊接钢筒检测为例进行了现场试验，并以X射线检测复测来确认板波检测的可靠性，对比试验结果证明，超声波板波法可有效的发现高压薄壁焊接钢筒焊缝内部缺陷，并可实现快速在线检测，具有广阔的应用前景

Currently has 500 tons of rubber bearing shear pressure, building energy-saving insulation testing equipment, steel hinge line Anchorage testing equipment, pile-testing equipment, construction of three windows of the testing machine, computer-controlled plastic pipe presses, universal test machine, pressure Testing machine, concrete impermeability test machine, soil testing, inspection and other domestic asphalt advanced testing equipment, various types of 128 sets of equipment, equipment net 2.802 million yuan.

目前拥有500吨橡胶支座压剪机、建筑节能保温检测设备、钢铰线锚具检测设备、基桩检测设备、建筑外窗三性试验机、电脑控制塑料管材压力机、万能试验机、压力试验机、混凝土抗渗试验机、土工检验、沥青检验等国内先进检测设备，各类仪器设备128 台套，设备净值280.2万元。

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。