筛分

集料的筛分直径与集料拌和流变特性k值有较好的线性关系。

Aggregate screening diameter and aggregate mixing rheological properties & k value have a good linear relationship .

以筛机的筛分效率最大为目标，考虑实际设计要求的筛机处理量、筛面和筛箱的寿命，并利用MATLAB优化工具箱优化。

With the largest screen machine screening efficiency as the goal , considering the treatment capacity screen surface and the life of screen box , MATLAB is used to optimum designed .

毛细管电泳无胶筛分介质分离DNA的机理

Mechanisms of DNA Separation by Capillary Electrophoresis in Non-Gel Sieving Matrices

浅谈PLC控制在选煤筛分工艺中的应用

On the Application of PLC Control in the Coal Screener

EXCEL在煤炭筛分浮沉试验中的应用

Application of the EXCEL in Coal Sieve Float-and-Sink Analysis

基于AR模型的水力旋流器筛分性能的预测

Prediction of the Hydrocyclone Performance on the Fraction of the Fiber Based on AR Model

基于上述讨论，我们得出结论：可以用于蛋白质和DNA分离的聚合物介质必须同时满足高筛分能力和动态涂覆能力。

Based on the above discussion , the separation medium for protein and DNA separation should possess both high sieving ability and self-coating ability .

毛细管SDS无胶筛分电泳测定小分子多肽相对分子质量

Determination of Relative Molecular Mass of Small Polypeptide by Capillary SDS Non-gel Sieve Electrophoresis

叶、皮和根部芳香精油的成分，同时运用薄层层析（TLC）筛分法对其抗氧化活性物质进行了对比分析。

TLC-screening method was used for analysis of antioxidant components in the oils .

理想的DNA筛分介质需要具备如下的特征：高筛分性能、动态涂覆能力以及低粘度。

An ideal separation medium for DNA separation should possess the following properties : high sieving ability , dynamic coating ability , and relatively low viscosity .

目标产物经HPLC定性分析，确定为反式虾青素。因此，以辛伐他汀等HMG-CoA还原酶抑制剂作为选择压力，对虾青素高产突变株的筛选上具有较好的筛分能力。

The objective product identified by qualitative HPLC analysis was trans-astaxanthin .

在低粘度的无胶筛分介质中加入某种添加剂是一种有效且简单的克服填充困难和提高DNA分离性能的方法。

Addition of certain additives into low viscous non-gel sieving matrices is an efficient and simple method to overcome the difficulty of filling capillaries and enhance DNA separation .

使用无胶筛分介质的毛细管电泳（包括毛细管阵列电泳和微芯片电泳）是最重要的DNA分离技术之一。

The capillary electrophoresis ( including capillary array electrophoresis CAE and microchip electrophoresis MCE ) using non-gel sieving matrices is one of the most important techniques for DNA separation .

在目前所研究过的聚合物中，线性聚丙烯酰胺（LPA）对DNA链段的筛分能力最高。

Among the polymers which have been researched , linear polyacrylamide ( LPA ) has high sieving capacity for DNA fragments .

目的建立快速毛细管SDS无胶筛分电泳法（SDS-NGS），测定小分子多肽相对分子质量。

Objective To develop a capillary SDS non-gel sieve electrophoresis for rapid determination of relative molecular mass of small polypeptide .

介孔分子筛的合成及RhodamineB在介孔分子筛中的组装研究GB/T1480-1995金属粉末粒度组成的测定干筛分法

The Synthesis of Mesoporous Materials and the Encapsulation of Rhodamine B in Mesoporous Materials ; Determination of particle size for metallic powders & Dry sieving

采用超声波筛分、X射线小角散射及化学溶解等方法，分析了铁素体球铁中VC的粒度分布和析出规律。

Size distribution and precipitation of VC particles in the ferritic nodular cast iron have been examined by techniques of ultrasonic screening , small angle X-ray scattering and chemical dissolution .

结论PVP是一种良好的筛分介质，运用其进行无胶筛分毛细管电泳对于遗传性疾病的诊断将更加快速、准确、简便、灵敏。

Conclusions PVP is an excellent medium and it would make diagnosis of genetic disease rapidly , exactly , conveniently and sensitively .

研究了进料量Qf和分流比R（溢流与进料之比）对筛分的影响。

The effects of feed rate and split ratio ( overflow rate to feed rate ratio ) on fractionation of pulp fiber are studied .

研究不同筛分介质（线性聚丙烯酰胺LPA）浓度、分离温度和分离电压对CE行为的影响。

The effect of matrix concentration ( linear polyacrylamide , LPA ), running temperature and running voltage on CE performance were also studied .

总结了EMD分解筛分过程终止标准的选择问题及边界效应问题，并提出了相应的处理方法。

Summarizes the shifting stoppage criteria selection problem and boundary effect of the EMD sieving process , and proposes the corresponding handling method .

通过对离子筛的红外光谱，X射线衍射及选择性实验等分析，探索了其选择性筛分的机理。

The mechanism of selective separation on the surface of ionic sieve of removal of neodymium was explored by analyzing fourier transformation infrared spectra ( FTIR ) , X-ray diffraction ( XRD ) and the results of selective experiment .

目前工业上普遍通过筛分来实现AP的粒度级配，然而筛分过程不仅延长了工业生产周期而且由于静电等因素易导致危险。

At present , particle gradation of AP achieves based sieving generally in industry . However , sieving can extend the period of industrial production and even cause danger due to static electricity .

针对HHT方法中的EMD筛分问题，本文通过大量的数据研究总结了并不是所有的数据都可以正确筛分，试验研究表明存在一个可筛分的数据区域边界。

Aiming at the sifting range problem in EMD , it was proposed that not all the data can be well sifted and there was range of sifting .

SCHENCK公司大型筛分设备在邯钢烧结厂的应用

Application of Schenck screen in Hangang sintering plant

采用化学气相沉积法（ChemicalVaporDeposition，简称CVD）实现对微孔结构控制，制备出孔径均一的碳分子筛，微孔率为93%，且对CO2与CH4具有良好的筛分能力。

Chemical vapor deposition ( CVD ) technique of benzene was employed to control the micropore structure . Carbon molecular sieve with uniform micropore structure was obtained , of which the micropore portion was higher than 93 % .

筛分后，不同粒级矿样的Au含量不同，在小于0037mm粒级中，Au含量达472×10-6，分布率高达9342%。

After sizing , different size fraction sample has different Au content and less than 0.037 mm the Au content can reach 4.72 × 10 ~ ( - 6 ), the distributing ratio is 93.42 % .

根据不同的使用功能，粒料的种类可从强度较低的砂砾、级配砂砾、未筛分碎石到强度较高的级配碎石、高质量水结碎石（WaterMacadam）。

According to different use function , the variety of granular stone can be classified from low-strength granular block , such as sand and gravel , graded sand and gravel , non-screening macadam , to high-strength graded macadam and high-quality water macadam .

具体提出了增设门机和破碎筛分系统，推广基于风险管理思想的主动维修方式，采用基于管理信息系统（MIS）的信息化建设。

It specific propose to add high pedestal jib crane and crushing and screening system , to promote active maintenance mode based on risk management ideas , to develop information construction based on management information system ( MIS ) .

简要分析了几种筛分机械的优缺点，着重介绍MVS电磁振动高频振网筛在几个使用现场的应用结果，为制砖企业解决原料生产的难题提供了办法。

Meanwhile , analyzes the advantages and shortages of few screen machinery in production , especially the high frequent MVS-type electromagnetic vibrating screen .