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花生联合收获机柔性夹持装置设计与试验（Design and Test Analysis of Peanut Combine Flexible Clamping Device）
花生联合收获机 夹持输送装置 设计 试验
2010/12/29
针对传统花生联合收获机刚性夹持链夹持损失率偏高的问题，提出了三夹持带柔性夹持技术，并设计了三夹持带夹持输送装置。通过试验台试验确定了带型、带距、带速等参数，并通过与刚性夹持链的田间对比试验，对拉断落果率、夹持喂入率、夹断率、去土率、掉株率、掉果率等试验指标进行了综合评价。试验结果表明，三夹持带柔性夹持输送方式损失率较低。
Quantitative Spot-Test Analysis of Metformin in Pharmaceutical Preparations Using Ultraviolet-Visible Diffuse Reflectance Spectroscopy
Quantitative Spot-Test Analysis Metformin Pharmaceutical Ultraviolet-Visible Diffuse Reflectance Spectroscopy
2010/9/17
A quantitative spot-test for the determination of metformin in pharmaceutical preparations using diffuse UV-visible reflectance is reported. The procedure is quite simple, involving in the formation o...
Hydrogeophysical Concepts in Aquifer Test Analysis
Hydrogeophysical Concepts Aquifer Test Analysis
2009/10/26
Aquifer test data analysis is an art leading to reliable hydraulic parameter
identifications rather than a mechanical curve fitting. Most often aquifer test
data processing is achieved by matching t...