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Sensitivity analysis of key operating parameters of combine harvesters
annual performance costs optimization unit costs cost analysis average annual sub-profit
2016/9/2
The sensitivity analysis of key operating parameters on the average annual sub-profit in a group of three combine harvesters operating in companies providing agricultural services were analysed. Based...
在线混药式变量喷雾系统设计与试验（Key Technology of Variable-rate Spraying System of Online Mixing Pesticide）
精细农业 变量喷雾 在线混药 流量计 流量控制阀
2009/12/28
为实现在线混药式变量喷雾技术，设计了药、水独立存放混药装置，差压式流量计，流量控制阀，以及相应的控制系统。应用该系统对药、水分别进行流量计量和对药流量控制，达到变量喷雾的目标。试验结果表明，流量计误差在±2.0%以内，药流量控制误差在±3.0%以内。
Key driving forces in the Czech brewing industry
brewing industry analysis driving force factor production consumption
2014/3/28
The paper is a part of solution of a post-doctorate grant awarded by the Grant Agency of the Czech Republic (GAČR No. 402/02/P059) connected with the research plan of the FBE MUAF in Brno (GAMSM ...