筛分析

By means of the dynamics analysis , the center of the vibrating force of the shaker is determined, which is proved exclusive.

对新研制的双激振电动机驱动平动椭圆振动筛做了理论研究，建立了自同步平动椭圆筛的力学模型；通过对该型筛的动力学分析，确定了平动椭圆筛力心，并用解析法证明了力心的唯一性。

The matrix differential equation is solved using method of steps and applying Laplace transform. Using this method and exact solution of the matrix differential equation with delayed arguments was....

待流场达稳态后，於注水井筛段注入追踪剂并在抽水井筛段量测浓度穿透曲线，使用适当数学模式分析其浓度穿透曲线及上、下井筛段泄降差，即可同时。。。。

Aimed at the low screening efficiency of Aiyou Coal Preparation Plant,some technical reforms were done,namely,proper coal feed rate,fitting position of feed trough and regular analysis of screening efficiency ,and the screening efficiency was obviously increased.

针对艾友矿选煤厂筛分效率低的问题，采取制定合理给煤量、合理布置筛网、合理布置给料溜槽和定期取样分析筛分效率等技术措施，使筛分效率得到明显提高。

Objective:Analysis of screening results of three neonatal diseases to further clarify the incidence of phenyl ketonuria,congenital hypothyroidism and glucose-6-phosphate dehydrogenase(G6PD) deficiency in Hainan Province.

目的：对海南省新生儿疾病筛查情况进行分析，了解海南省新生儿苯丙酮尿症、先天性甲状腺功能低下症、葡萄糖6-磷酸脱氢酶缺乏症(G-6-PDD)的发病率。方法：对出生72h后的7412名新生儿采集足跟血制作血滤纸干标本，PKU筛查采用荧光定量法检测滤纸干血斑中Phe含量；CH筛查采用时间分辨荧光免疫法检测滤干血斑中TSH含量；G6PD缺乏的筛查采用荧光斑点定性试验测定G6PD活性。

Through the analysis of the main influencing factors-the bore diameter and thickness of the polytetrafluoroethylene sifter on the blueprint quality and the service life, and the main technological parameters of the polytetrafluoroethylene sifter were determined in the comparison experiment on the different high rapid blueprint machines.

通过对影响晒图质量和使用寿命的主要因素——聚田氟乙烯筛板的孔径及厚度的分析研究，并利用不同型号的高速晒图机对所研制的聚四氟乙烯筛板进行对比试验，确定了聚四氟乙烯筛板的主要工艺参数。

The rules for force and energy transmission in a rice whitener were analyzed based on mechanical transmission troubles of the rotating screen barrel in it.

基于旋筛式碾米机筛筒的机械传动系统故障，对旋筛式碾米机的力能传输规律进行了分析。

Objective:to probe the application on the hearing screening of the neonatus by transcience otoacoustic emission.methods: to undertakethe hearing screening of the neonatus by transcience otoacoustic emission of 2 100 neonatus from 2006.1~2006.12.results: 2 058 (98.4%) full-term newborn infants pass the transience otoacoustic emission once and 33(1.6%) full-term newborn infants can not pass it once.9(77.8%) premature infants pass the transience otoacoustic emission once and 2 premature infants can not pass it once.conclusion: the transience otoacoustic emission is worth to application because it has non-wound, fast, objective merit.

目的：探讨观察瞬态耳声发射在新生儿听力筛查中的应用。方法：对2006年1月~2006年12月2 100例新生儿利用瞬态耳声发射进行听力筛查的资料进行分析。结果：2 091例足月新生儿中，一次通过瞬态耳声发射进行听力筛查 2 058例，占98.4%，未通过33例，占1.6%，早产儿9例中，一次通过检测7例，占77.8%，未通过2例，占22.2%。全部未通过新生儿检查abr，确诊有异常15例，正常7例。结论：瞬态耳声发射具有无创伤、快速、客观、敏感度高等优点，值得在新生儿听力筛查中广泛推广应用。

In accordance with characteristics of cereal, crutches of sieves and combination wags of sieve were selected.

依据谷物的特性合理选择了筛面结构和筛面的组合形式，分析确定了筛孔直径和其它结构参数。

Research of cantilever screen grating diagrid and matter coactions way imitation;2. 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。

It is pointed out that the liquid bridge formed by extern water between two particles as well as particle and screen plate is the main factor which leadS to the deterioration of screening process.

潮湿细粒煤炭的粘附现象是导致筛分过程恶化的最主要原因，为解决这一问题，本文采用理论分析的方法对筛分作业中潮湿细粒煤的团聚机理进行了研究，指出外在水分在颗粒之间以及颗粒同筛面之间形成的液桥是造成筛分过程恶化的首要因素。

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