Experimentation and statistical prediction of screening performance of coal with different moisture content in the vibrating screen

2020 ◽  
pp. 1-14
Author(s):  
Bharath Kumar Shanmugam ◽  
Harsha Vardhan ◽  
M. Govinda Raj ◽  
Marutiram Kaza ◽  
Rameshwar Sah ◽  
...  
Keyword(s):  
Moisture Content ◽  
Statistical Prediction ◽  
Vibrating Screen ◽  
Screening Performance

scholarly journals Design and Efficiency Research of a New Composite Vibrating Screen

2018 ◽  
Vol 2018 ◽  
pp. 1-8 ◽  
Author(s):  
Zhanfu Li ◽  
Xin Tong ◽  
Bi Zhou ◽  
Xiaole Ge ◽  
Jingxiu Ling
Keyword(s):  
Dynamic Analysis ◽  
Systems Theory ◽  
Processing Capacity ◽  
Experiment Research ◽  
Vibrating Screen ◽  
Swing Angle ◽  
Screening Performance ◽  
Screening Efficiency ◽  
Vibration Parameters ◽  
Two Degree Of Freedom

A new composite vibrating mode is presented in this paper. Modeling and dynamic analysis are studied according to two-degree-of-freedom systems theory. The effects of vibration parameters, including swing angle, swing frequency, vibrating direction angle, and translation frequency, on the screening efficiency were researched by means of experiment research over a new laboratory-scale composite vibrating screen which is designed based on the new composite vibrating mode. The results are analysed in terms of curves and fitting equations. Compared to the translation mode and swing mode, the screening performance of the new composite vibrating mode, both in screening efficiency and in processing capacity, is significantly improved.

Preparation and Standardization of a Stable AHF Plasma

1968 ◽  
Vol 19 (03/04) ◽  
pp. 423-429 ◽  
Author(s):  
G. M Thelin ◽  
Keyword(s):  
Moisture Content ◽  
Primary Standard ◽  
Healthy Male ◽  
Healthy Donors ◽  
Fresh Plasma

SummaryA stable, lyophilized AHF reference plasma has been prepared from pooled plasma from at least 50 normal healthy donors and standardized against a primary standard of fresh plasma from 20 healthy male donors aged 20 to 40. Average AHF potency of a typical lot is 98.8%, and moisture content is less than 0.5%. Under storage at -25° C, this AHF reference plasma is stable for at least 18 months. It has been used in several major coagulation laboratories, and has given consistently satisfactory and reproducible results in AHF assays.

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