筛分析

In the design of the large intensifying screen, this paper conducted the analysis of the structure mechanics and the finite element method analysis on the strength and rigidity of scneen box and crank axle system, designed a new type mesh, and finished the dynamic simulation of the motion of the particle group in intensifying screen on computer.

应用碰撞理论、概率理论和混沌、分叉理论对物料运动的规律性进行了深入分析与研究。大型强化筛的设计进行了结构力学分析和筛箱、曲轴系统的强度、刚度有限元分析；设计了新型的筛网结构；应用计算机对料群在强化筛中的运动规律性进行动态模拟。

Experimental analysis of recovered asphalt and sieve analysis of recovered aggregates were carried out for recovered asphalt pavements. The new asphalt and the rejuvenator were added into old asphalt, and the object viscosity of recycled asphalt is about 120 Pas.

将沥青路面刨除料进行回收沥青实验分析和回收集料筛分析，并在旧沥青中添加新沥青和再生剂得到再生沥青，其目标粘度为120Pas。

In this work,the finite friction force between the refuse and the trommel screen was taken into account,and the relationship between the hoisted angle and the rotary speed was co-related.

从生活垃圾在滚筒筛内的受力分析着手，考虑了物料与滚筒筛筛壁间的摩擦力，其为一有限值，推导出物料的提升角与滚筒筛转速的关系，且物料提升角的大小取决于物料静摩擦角的大小；认为无论滚筒筛的转速多大，物料的最大提升角都是固定不变的。

Laboratory Testing Laboratory testing included sieve analyses and unconfined compressive strength testing.

实验室测试实验室测试包括筛分析及无侧限抗压强度测试。

By analyzing and comparating of every kinds of coal balter equipments,based upon the as-sets of the fluctuating balters and roller balters,a new kind of coal balter- fluctuating roller balter was designed and installed.

通过对各种筛煤设备的分析比较，根据波动筛和滚轴筛的优点，设计安装了一种新型筛煤设备——波动滚轴筛，并介绍了波动滚轴筛的特点和技术改造方案。

In this paper, an efficient and easy biological screening method based on the sensitivity to lovastatin of Neurospora crassa was built to deal with the mutant strain rudely by UV mutation. A high-level strain was screened in the shaking flask culture incorporating with TLC and HPLC. A comparison between this two methods also was originally discussed while identifying dyeing using bromophenol blue as the better treatment of TLC, and offering a kind of simple, practical, fast and economical determination qualitatively and quantitatively.

本文有鉴于此，通过紫外诱变处理，并基于粗糙脉孢酶对洛伐他汀的生物敏感性，对诱变菌株进行了初筛；同时，采用摇瓶培养，结合TLC和HPLC的分析方法，复筛出一株高产菌株；对复筛过程两种分析方法分别进行了初步探讨，比较其优劣，确定TLC法经溴酚兰显色剂显色处理为较佳方式；从而，建立了一套简单、实用、快速、经济且有效的洛伐他汀生产菌诱变筛选方法。

Based on a thorough analysis of screening principlesof cylinder,many-sided studies,which rally closely round the improvement of thescreening ability,have been made on the cylinder screen.

为此，本文在深入分析圆筒筛筛分机理和大量试验的基础上，紧紧围绕着提高圆筒筛筛分性能这个中心，对圆筒筛进行了多方面的研究。

Has studied vibration of a single grating diagrid firstly,analyzed the montion of matter on screen,lastly analyzed and simulated the track of matter on it by using Matlab.

针对一种新研制成功的振动筛—梯流棒条筛，首先研究了振动筛棒条的振动规律，之后主要分析了其上物料的运动，并以Matlab语言为基础分析和仿真了物料运动的轨迹。

The paper elaborates the status of Shale shaker dynamic measurements, the basic dynamic characters and the measure mechanism of Shale shaker, signal processing, involving vibration signal of time-domain analysis, frequency-domain analysis, amplitude-frequency domain and Shale shaker dynamic measurements functional analysis etc.

论文对振动筛动态特性检测仪的现状，振动筛动态特性及检测分析、信号处理方法等都做了详尽的研究，包括振动信号的时域分析、频域分析、幅值域分析及关于振动筛动态特性检测功能分析等，完成了智能控件化振动筛动态特性检测仪的功能建模和这些功能的程序设计，并提供了相应的功能接口函数。

Particle size analysis by laser diffraction has become a significant analytical tool for sizing up to about 2mm and has made major inroads into sieve analysis methods over the last 10 years.

激光衍射粒度分析对大小高达2毫米的颗粒已成为一个重要的分析工具，并在过去的10年中，在筛分析方法已取得了重大的进展。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐