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RISS 인기검색어
- 검색키워드
- 저자 : Choudhary Swapnil (검색결과 2 건)
- 무료
- 기관 내 무료
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Choudhary Swapnil,Upadhyay Ganesh,Patel Bharat,Naresh,Jain Mukesh 한국농업기계학회 2021 바이오시스템공학 Vol.46 No.4
Purpose To assess the operational energy requirement (OER) and tillage performance index (TPI) of four different active tillage treatments and identification of the best efficient tillage practice among them to achieve an alternative to the conventional practice T1 (1×Cultivator+2×Offset disc harrow), which involves only purely passive type of tillage tools. Methods The active tillage treatments considered were as follows: T2 (1×Combined offset disc harrow), T3 (1×Cultivator+ 1×Single rotor type rotavator), T4 (1×Double rotor type rotavator), and T5 (1×Power harrow). Each implement in the respective treatment was operated at their best suitable forward speed and rotor rpm. Results Compared to the conventional practice T1, the amount of fuel saved per hectare in tillage practices, T2, T4, and T5, was 49.8%, 17.9%, and 20.3%, respectively. However, tillage treatment T3 was found to consume 6.9% more fuel. Compared to T1, the amount of time saved by T2, T3, T4, and T5 tillage practices was found to be 61.1%, 9.54%, 40.6%, and 44.6%, respectively. The maximum OER of 1445.32 MJ ha−1 was observed in T3 followed by 1360.40, 1105.86, 1085.86, and 681.36 MJ ha−1 in T1, T4, T5, and T2, respectively. Further, compared to T1, the TPI for tillage treatments, T2 and T4, was found to be higher by 74.07% and 133.33%, respectively. However, the TPI for tillage treatment T3 was found to be lower by 88.88%. Conclusions Active tillage implements helped in time and fuel-saving in seedbed preparation. The maximum percentage of operational energy was consumed in the form of fuel energy. The front active and rear passive configuration of combined offset disc harrow was found to be the most effective among all the tested active tillage implements in terms of both operational energy and tillage performance criteria.
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Choudhari, Prafulla B.,Bhatia, Manish S.,Jadhav, Swapnil D. Korean Chemical Society 2013 대한화학회지 Vol.57 No.1
The present communication deals with the Pharmacophore modeling, 3D QSAR and docking analysis on series of Pyrimidine derivatives as potential calcium channel blockers. The computational studies showed hydrogen bond donor, hydrogen bond acceptor, and hydrophobic group are important features for calcium channel blocking activity. These studies showed that Pyrimidine scaffold can be utilized for designing of novel calcium channels blockers for CVS disorders.
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