根据理论分析和试验结果，建立了煤用概率分级筛的数学模型。
Based on the results of the analysis, a mathematical model of the screen is established with piecewise function to describe completely the partition curve of the probability sizing.
将概率分级筛激振器机架的结构由整体焊接式改为螺栓联接式，使用方便，效果很好。
The structure of probability screen vibration frame change unitary welded type to bolt fastening. This way USES handy and effect is well.
振动分级筛在矿井毛煤转化为入洗原煤过程中是保证入洗原煤和产品原煤质量(粒度合格)的关键设备。
Vibration classification screen is the key to ensure the quality of washing raw coal and product raw coal in the process of changing from run-of-mine coal to washing raw coal.
从密地选矿厂生产现状入手，提出了应用旋流筛对螺旋分级溢流进行控制分级的新工艺。
According to the present product state of the Midi concentrating plant, the authors give a new technique of control classification of spiral classifier overflow with cyclone screens.
该机为无筛式结构，不堵塞，粉碎、风力分级及再粉碎同步完成；
The machine is of no-screen type structure, non-blocking, grinding , wind grading and secondary grinding are finished at the same time;
本文根据往复振动筛筛选分级的要求及特点，建立了往复振动筛运动参数优化设计的数学模型。
According to requirements for grading and characteristics, this paper presents the mathematical model of optimum movement parameter designing for vibrating screens.
德瑞克细筛的高效、精确分级，提高了三段磨矿的磨矿分级效率，提高了321系统处理原矿的能力。
The highly efficient and accurate classification has improved the grinding-classification efficiency of the tertiary grinding , thus raising the run-of-mine ore throughput of System 321.
直线振动细筛是一种分级效率较高的分级设备。
Linear vibratory fine screen is a sizing device with higher sizing efficiency.
Q FZ清理分级机采用循环风系统和并行的多层筛面，有利于提高产量并减少污染。
The circulating air system and parallel multiple sifting covers were used in QFZ cleaning-grading machine, which could be favorable for increasing throughput and reducing contamination.
还能用于面粉检查筛，此外，对食品、化学、医药、矿产等行业的粉状、颗粒状物料，提供筛理和分级。
It can also be designed for the checking sifter. besides, it may be provided for sifting and grading powder and granular materials in foodstuffs, chemical, medicine and minerals industries.
脉冲高频筛是筛面高频振动的振网式筛分机械，适用于细粒分体物料的干、湿法分级、脱水。
Electromagnetic high frequency vibrating screen is used for grading and dehydrating fine particles in both dry method and wet method.
方法：使用钬激光行筛前神经终末区域烧灼及下鼻甲黏膜下激光凝固治疗PAR患者37例，并比较治疗前后症状及体征分级记分。
Methods:37 cases of PAR anterior-ethmoid nerve cautery were performed with Ho:YAG laser. Efficacy was evaluated by measurement of nasal symptom scores and sign scores.
适用范围：高方平筛是粉制工业的主要设备，广泛用于物料的筛理和分级。
APPLICATION: the plansifters which are widely used for sifting and grading materials milled are the principal equipment in flour industry.
采用热水抽提、乙醇分级沉淀等步骤从灵芝发酵全粉中初步筛得一种粗蛋白酶A抑制剂；
Through dipping in hot water and ethanol precipitation, a kind of proteinase A inhibitor can be selected from the powder of Ganoderma lucidum by submerged fermentation ;
本系列振动筛共有四十种规格，其中重型筛供大粒度物料分级、轻型筛供中小粒度物料分级。
There are 40 specifications for YA series, of which the heavy-duty type is used for the classification of large size materials, while the light-duty type is for the middle and small size materials.
本系列振动筛共有四十种规格，其中重型筛供大粒度物料分级、轻型筛供中小粒度物料分级。
There are 40 specifications for YA series, of which the heavy-duty type is used for the classification of large size materials, while the light-duty type is for the middle and small size materials.
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