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WOS Indexed (2023)
AMA, Agricultural Mechanization in Asia, Africa and Latin America
AMA, Agricultural Mechanization in Asia, Africa and Latin America (AMA) (issn: 00845841) is a peer reviewed journal first published online after indexing scopus in 1982. AMA is published by Farm Machinery Industrial Research Corp and Shin-Norinsha Co. AMA publishes every subjects of general engineering and agricultural engineering. Azerbaijan Medical Journal Gongcheng Kexue Yu Jishu/Advanced Engineering Science Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery Interventional Pulmonology Kongzhi yu Juece/Control and Decision Zhenkong Kexue yu Jishu Xuebao/Journal of Vacuum Science and Technology Wuhan Ligong Daxue Xuebao (Jiaotong Kexue Yu Gongcheng Ban)/Journal of Wuhan University of Technology (Transportation Science and Engineering) Zhonghua yi shi za zhi (Beijing, China : 1980)
04 Jun 2023 (Vol - 54 , Issue- 06 )
31 May 2023 (Vol - 54 , Issue 05 )
Aim and Scope :
AMA, Agricultural Mechanization in Asia, Africa and Latin America
AMA, Agricultural Mechanization in Asia, Africa and Latin America (ISSN: 00845841) is a peer-reviewed journal. The journal covers Agricultural and Biological Sciences and all sort of engineering topic. the journal's scopes are in the following fields but not limited to:
Agricultural and Biological Sciences
Electrical Engineering and Telecommunication
Electronic Engineering
Computer Science & Engineering
Civil and architectural engineering
Mechanical and Materials Engineering
Transportation Engineering Asia Life Sciences Changjiang Liuyu Ziyuan Yu Huanjing/Resources and Environment in the Yangtze Valley Gongcheng Kexue Yu Jishu/Advanced Engineering Science Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery
Industrial Engineering Teikyo Medical Journal Tagliche Praxis Bulletin of National Institute of Health Sciences Journal of the Austrian Society of Agricultural Economics
Industrial and Commercial Design International Medical Journal Technology Reports of Kansai University Asia Life Sciences Open Access Journals Tobacco Science and Technology
Information Engineering Zhongguo Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of China University of Petroleum (Edition of Natural Science) Tobacco Science and Technology Teikyo Medical Journal International Medical Journal Changjiang Liuyu Ziyuan Yu Huanjing/Resources and Environment in the Yangtze Valley Technology Reports of Kansai University
Chemical Engineering Open Access Journals Tagliche Praxis Bulletin of National Institute of Health Sciences Journal of the Austrian Society of Agricultural Economics Azerbaijan Medical Journal
Food Engineering Zhenkong Kexue yu Jishu Xuebao/Journal of Vacuum Science and Technology Wuhan Ligong Daxue Xuebao (Jiaotong Kexue Yu Gongcheng Ban)/Journal of Wuhan University of Technology (Transportation Science and Engineering) Zhonghua yi shi za zhi (Beijing, China : 1980) Zhongguo Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of China University of Petroleum (Edition of Natural Science) Kongzhi yu Juece/Control and Decision
Determining Optimal Gear Ratios of A Two-stage Helical Gearbox with Second Stage Double Gear Sets for Minimal Gearbox Bottom Area
This article introduces an optimization study to find the optimal gear ratios for a two-stage helical gearbox with second stage double gear sets to obtain the minimum gearbox bottom area. To do that, a simulation experiment with six main design parameters is conducted. These parameters include the total gearbox ratio, the face width coefficient of both stages, the allowable contact stress of both stages and the output torque. From the results of the experiment, the influence of the main design parameters on the optimal gear ratio of the first stage u1 was evaluated using Minitab software. In addition, a regression formula to calculate u1 has been given.
Soil-mechanical properties analysis of earth auger bit in hilly regions
Digging is one of an important part of afforestation. To promote mechanized afforestation in hilly regions, this paper study the work process and the principle of the auger during the drilling under the ground based on the discrete element method (DEM). The effect of spiral blade geometry on soil disturbance and soil-soil soil-tool interaction forces in a cohesive soil was assessed in a virtual soil bin using the DEM. Combined with the mechanical analysis and simulation results, the soil throw trends, the energy change, the influence of parameters is analyzed on the spiral blades. The main influencing factors for soil uplift are the drilling speed, the helix angle of spiral blade, the soil characteristics, and the feed velocity. Based on that, this study also explores the formation conditions and mechanism of the fish-scale pits on the slope to the soil and water conservation. To test the result, a verification experiment has been carried out in arid and semi-arid hilly forest areas. This research provides a theoretical reference for the innovative research, development, and design optimization of the earth auger in hilly regions.
Calculating Optimum Gear ratios for Four-stage Helical Gearboxes for Getting Minimum Gearbox Bottom Area
This paper presents the results of an optimization problem to determine the optimal gear ratios of a four-stage helical gearbox to achieve the minimum gearbox bottom area. To do that, a simulation experiment was conducted. In addition, the influence of six main design parameters including the surface width coefficient of the first and second stages, the allowable contact stresses of the first and second stages, and the output torque have been evaluated. Moreover, regression equations to determine the optimal gear ratios of the gearbox have been proposed.
Insecticidal effect of three plant powder against two stored-product pests, Sitophilus granarius (Linnaeus) and Tribolium confusum (Jacquelin du Val).
One of the top pest concerns in food production and storage across the globe, is stored product insects because they cause substantial damage and contamination. Insect infestations induce changes to the storage environment leading to warm, moist conditions which are suitable for fungal growth that further causes hazardous effects. The use of chemical insecticides to control pests can cause toxicity hazards to non-target organisms and serious health problems for humans. From this perspective, we assessed the effect of three botanical powders, Boswellia carterii (Sapindales Burseraceae), Elettaria cardamomum (Zingiberales: Zingiberaceae) and Pistacia lentiscus (Sapindales Anacardiaceae) against two stored-product pests, granary weevil Sitophilus granarius (Coleoptera Curculionidae) and confused flour beetle Tribolium confusum (Coleoptera Tenebrionidae). Both insects were affected by different powder concentrations, time of exposure, and the bioactivity of the plant components. Adult S. granarius were more sensitive to different powder concentrations than those of T. confusum. Concentrations of 15% B. carterii, E. cardamomum and P. lentiscus powders caused 73.3, 80, and 100% mortality of T. confusum after 14 days post treatment, respectively. While the same concentrations of the three botanical powders caused 100, 96.7, and 100% mortality of S. granarius. P. lentiscus was more effective than B. carterii and E. cardamomum. This study showed that B. carterii, E. cardamomum and P. lentiscus powders had biological and toxicological effects against S. granarius and T. confusum. These plant powders are considered safe for human use.
A Study on Determination of Optimum Gear ratios for Three-stage Helical Gearboxes
This paper reports an optimization study to find the optimal gear ratio of a three-stage helical gearbox to achieve the minimum gearbox bottom area. In this study, a simulation experiment was built and performed. Also, six main design parameters including the surface width coefficient of the first and second stages, the allowable contact stresses of the first and second stages, and the output torque were selected for the investigation. The influence of these parameters on the optimal gear ratios of the gearbox has been shown. Moreover, the optimal gear ratio u1 of the first stage can be easily calculated by means of a regression formula in the form of an explicit function.