查询词典 purification

High-performance rare earth oxygen storage material ceria is the key material of automotive exhaust gas purification catalyst. It determines the performance and life time of the catalyst and has become the focus of competition of all countries in the field of automotive exhaust gas purification catalyst.

高性能稀土储氧材料CeO2是汽车尾气净化催化剂的关键材料，决定着催化剂的性能和寿命，是各国在汽车尾气净化催化剂领域竞争的焦点。

Full of great technique labor ,our company has a team of engineers with many years of experience in the purification field, ten of whom are project managers, 9 advanced technicians and more than 60 responsible for products installation, management and other services. We have the ability to arrange scale installation of purification engineering contemporaneously.

公司技术力量雄厚，拥有大批经验丰富的空调净化工程、空气净化设备、机电一体化的专业设计人员，其中，具有资质的项目经理10名，高级职称的技术人员9名，空调净化工程的专业施工安装、管理和服务人员60多人，公司施工安装力量强硬，可同期施工安装相应规模的净化工程。

JHO-2 catalyst can be used in purification and deoxygenation of concentrated carbon monoxide gas, and the deoxygenation and purification of syngas (CO+H2) in chemical industry as well.

JHO-2型催化剂可用于高浓度一氧化碳气体净化脱氧，同时，也可用于化工行业合成气（ CO+H2）脱氧净化。

Shan Shui Main Products: body protection (anti-static anti-static clothing and purification purification shoes series, anti-static gloves, fingerstall, clean cloth, M-3, 600 Seriesand cotton series, anti-static wrist band series); production storage and transportation protection (Anti-static Taiwan pad, anti-static turnover boxes, anti-static trays, anti-static working planes, anti-static automatic job chairs, revolving line of stainless steel cars, anti-static bag Series); static eliminator (ion fan, ionic air guns, ion bar); equipment category (wrist band test you, electrostatic field tester, surface resistance tester, the human tester) and so on.

杉瑞主要产品：人体防护（防静电净化服装及防静电净化鞋系列、防静电手套、指套、无尘布、M-3无尘纸、600系列无尘纸及棉签系列、防静电手腕带系列）；生产储运防护（防静电台垫、防静电周转箱、防静电托盘、防静电周转架、防静电自动工作椅、不锈钢线路周转车、防静电包装袋系列）；静电消除器(离子风机、离子风枪、离子棒)；仪器类（手腕带测试议、静电场测试仪、表面电阻测试仪、人体综合测试仪）等。

Heavy machinerylarge water hydraulic press forge piece、upright grind、cement bric building materials equipment line,bus(heavy truck、light truck、large bus、medium-sizedbus and chassis、farm-oriented tractor special vehicle ,automobile components,the environmental protection equipments (air purification, smoke dust purification, desulfurization equipments) and other industries( prison, hydroelectric equipments, electric machine, lamps and lanterns, welding automatic system manufacture, casting technique, forging and pressing equipment, military enterprise,etc).

涉及到工程机械（挖掘机、压路机、起重机、路面机械、铲运机、推土机、叉车等企业）、基础件（橡塑密封、机械密封、石墨密封、液压附件、气动元件等企业）、重型机械（大型水压机锻件、立磨、墙地砖建材装备线）、汽车（重型、轻型货车、大客车、中型客车及底盘、农用车、专用车、汽车配件企业）、环保设备（空气净化、烟尘净化、脱硫设备企业）及其他（监狱、水电设备、电机、灯具、焊接自动化系统制造、铸造、锻压、军工等）行业。

In this paper we combined three chromatographic separation and purification technique such as affinity chromatography, ion exchanger chromatography and hydrophobic interaction chromatography to develope a new technology of stimutaneous extraction of three enzyme from pancreatin. We optimized the technology by studying the methods of purification and assured the technology as: The crude extraction from the dissolution of Pancreatin is directly absorbed on the DEAE gelose fast flow columnEquilibrating buffer is 0.01mol/L NaoAc-HoAc buffer(pH4.5; eluting buffer is 0.2～0.35mol/LNaCl in 0.01mol/LNaoAc-HoAc buffer (pH4.5), and then be eluted by two steps to acquire the peak of kallikrein.The solution which can"t be adsorbed by DEAE gelose fast flow column is adsorbed on affinity chromatographic column Equilibrating buffer is 0.01mol/LTris-HCl buffer(pH7.5, eluting buffer is 0.5mol/LNaCl in 0.01mol/Ltris-HCl buffer(pH7.5)and then be eluted by one step to acquire the peak of trypsin.The solution which can"t be adsorbed by is pretreated with 30%～80%(NH_4)_2SO_4 fractional precipitation, the deposition of the precipitation is dissolved to beabsorbed on phenyl gelose fast flow columnhydrophobic interaction chromatography condition is Equilibrating buffer is lmol/L(NH_4_2SO_4 in 0.01mol/LNaoAc-HoAc buffer(pH4.5), eluting buffer is 0～0.6mol/L(NH_4)_2SO_4 in 0.01mol/LNaoAc-HoAc buffer (pH4.5) and then be eluted by two steps to acquire the peak of chymotrypsin.

本研究考察了各种纯化方法，将离子交换层析、亲和层析和疏水层析三种分离纯化法相结合，建立了激肽释放酶、胰蛋白酶和糜蛋白酶三酶的联产工艺：胰酶用pH4.5醋酸缓冲溶液提取后，粗提液直接上DEAE-琼脂糖快胶柱吸附平衡缓冲液：0.01mol／LNaoAc-HoAc缓冲液(pH4.5，洗脱缓冲液：0.01mol／LNaoAc-HoAc缓冲液(pH4.5)含0.2～0.35mol／LNaCl分两步洗脱，收集激肽释放酶的洗脱峰；DEAE-琼脂糖快胶的未吸附液上亲和层析柱分批吸附平衡缓冲液：0.01mol／LTris-HCl缓冲液(pH7.5，洗脱液：0.5mol／LNaCl溶液，一次洗脱，收集胰蛋白酶洗脱峰；最后，亲和层析未吸附液用30％～80％硫酸铵分级盐析处理，沉淀溶解后用上苯基—琼脂糖快胶吸附平衡缓冲液：0.01mol／LNaAc-HAc缓冲液(pH4.5含1mol／L(NH_4)_2SO_4，洗脱缓冲液：0.01mol／LNaAc-HAc缓冲液(pH4.5)含0～0.6mol／L(NH_4)_2SO_4，分两步洗脱，收集糜蛋白酶的洗脱峰。

Methods 9 kinds of macroporous resins with different polarities were used in the purification of the total flavonoids in Lignum Dalbergia odorifera.Results HPD100 macroporous resin was better in purification of the total flavonoids.

选择9种不同极性的大孔吸附树脂，以降香总黄酮为指标，通过静态吸附和解吸附试验优选树脂，动态试验考察其纯化降香总黄酮的最佳工艺条件。

In the experiment of department and purification,it is educated in 9K medium and Leathen medium as energy of thiobacillus ferrooxidans , it is adopted diluting and smearing slab to depart and purity, and introduced pabulum medium to prove the efficient of purification.

在分离纯化实验中，主要采用9K培养基和Leathen培养基作为T.f菌的生长能源，采用稀释涂布平板法来分离纯化该菌，并对分离后的菌液用牛肉膏蛋白胨培养基平板检验其分离效果。

AIM To establish a method for purification of C2 from human serum, to obtain the stable and active purification and to study its physiological and pathological function easily in the future.

目的建立一种从血清中提纯C2的方法，得到稳定的、有活性的纯品，便于今后进一步研究其生理病理功能。

Biological purification techniques were developed according to self-purification principle.

而生物净化技术是根据水体自净的原理而设计和开发的污染水体净化技术。

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。