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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 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)
24 Mar 2023 (Vol - 54 , Issue- 03 )
31 Mar 2023 (Vol - 54 , Issue 03 )
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 Interventional Pulmonology 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 Connected Health 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 Connected Health International Medical Journal 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)
Investigating effect of cutting parameters on surface roughness and predicting surface roughness in the hard turning of hardened SKD 11 steel (60HRC) using mixed Ceramic inserts
The objective of this paper is to perform the innovative design for the new structures of cam-controlled planet SKD11 cold tool steel is a high-carbon and high-chromium alloy tool steel that is used to make cold work or hot work dressing dies, sides of rollers, screw lines, lines dies, transformer core stamping dies, rolled knives, steel tube forming rollers, special molding rollers, screw heading molds. The hardened SKD11 steel has a high hardness 58-62HRC good wear resistance and good toughness. Hard turning is an important process because all manufacturers are continually seeking ways to manufacture their parts with lower cost, higher quality, rapid setups, lower investment, and smaller tooling inventory while eliminating non-value-added activities. In where Surface roughness is an important parameter determining the accuracy and quality of parts. Analysis of surface roughness is presented by many researchers based on cutting conditions during hard turning. In this paper, analysis of surface roughness of SKD11 steel in hard turning with mixed ceramic inserts is performed based on variables like cutting speed, feed, and depth of cut. The feed rate is the most significant parameter affecting the surface roughness in the machining process. Prediction of surface roughness considering the simultaneous effect of cutting parameters is very difficult. Here, a mathematical model is developed based on the simultaneous effect of depth, cutting speed, and feed rate. Moreover, the developed model is validated using different sets of cutting conditions and found in close agreement with experimental results.
Deciphering the Genetic Components in Sesame (Sesamum Indicum L.) under different Environmental Conditions
Ten genetically diverse sesame (Sesamum Indicum L.) parents were crossed in half diallel fashion. Ten parents along with their 45 F1 progenies excluding reciprocal were evaluated in a randomized block design with three replications under normal (E1), late (E2), very late (E3) sown conditions of Rajasthan. The evaluation of components of genetic variation manifested that both additive (D) and dominance (H1 and H2) components were significant for all the attributes except capsule girth in very late sown condition where additive dominance model fitted. This revealed that fixable as well as non- fixable component of variances were operating in the expression of the traits. The graphical analysis revealed that there was partial dominance to over dominance for different characters under normal, late as well as very late sown conditions. The scattering of array points indicated the existence of genetic diversity among the parents for most of the traits.
Analysis of Conformal CPW fed Copper and Multiwalled Carbon nanotube microstrip antennas in X- Band Applications
This paper, describes the characteristics of flat and curved antenna structures using copper and Multi- Walled Carbon Nano-Tube (MWCNT) materials. A flexible dielectric substrate, polyimide material with dielectric constant εr= 3.5, tan δ = 0.008, the thickness of 0.1mm, is employed here. The low thickness of dielectric material allows it to be mounted on curved surfaces. The CPW fed conformal structures are designed to resonate at 10 GHz in the X-band (8GHz - 12GHz). Cylindrical curvature structured antennas designed with different radii (10mm, 15mm, and 20mm), and investigated their performance interims of return loss (S11), bandwidth, gain, and radiation efficiency, etc. Here a thin film MWCNT antenna is prepared by using a spin coating technique. The analysis of comparative study for both planar and flexible antennas are carried out in the present investigation. Both simulation and fabrication results are in close agreement with each other. From the experimental results, the planar and conformal antennas (copper and MWCNT) offer approximately the same impedance bandwidth around 33%but antenna gains is reduced from flat to curved structures of different radii (20mm, 15mm, and 10mm) in the intended direction. Material resonant properties and feeding techniques allow to enhance impedance bandwidth. The resistivity of the conductive material used in the antenna design increases as the bending angle is increased, this leads to a gradual increase in beam width and hence a drop in gain within the operating band of frequencies. The MWCNT antennas are suitable for low- power communication applications and in gas and harsh chemical environments where conventional materials get effected. Conformal antennas are widely employed in satellite, automobile and defense, Synthetic aperture radar applications.
Research on the performance of particles distribution of fertilizer point-applied device in root-zone
Root-zone fertilization (RZF) can improve fertilizer utilization, but the development progress of fertilizer point-applied device is very slow due to the principle lack of fertilizer particles distribution. In this work, a new type of fertilizer point-application device based on the mechanism of Geneva Drive is taken as the specific analysis object, the impacts of working speed, fertilizer discharging height and fertilizer discharging mass on the fertilizer particles distribution performance are explored by DEM-MBD simulation. The results show that the fertilizer distribution length increased with working speed, discharging mass and discharging height increasing. The increase of fertilizer distribution length by the increase of working speed can be sufficiently explained by the rotation speed increase of discharge wheel, resulting in the higher discharging velocity of fertilizer particles and bigger discharging angle range, and the relative fertilization time becomes shorter. The increase in discharging height leads to an increase in the time of fertilizer particles moving in the air, due to the various horizontal speeds of different particles after leaving the discharge wheel, there is a horizontal distance after the particles fall on the conveyor belt. The proportional increase of the discharging mass by the fertilizer volume can increase the area of fertilizer particles dispersed and the fertilizer stacking posture is related to the discharging velocity of fertilizer particles.
Impact of Agriculture sector on Sustainable development of Indian Economy: An Analysis
The country of India is renowned as the "Land of Villages." About 67 percent of India's population lives in villages. Their primary occupation is agriculture and agricultural-related activities. Agriculture is the largest and most important sector of our economy, employing over 70% of the Indian people. Agriculture is critical to the Indian economy. Although its contribution to GDP is currently roughly one-fifth of what it was, it employs 50 percent of the Indian workforce. Despite recent significant growth rates, India continues to face agricultural challenges. As a result, the purpose of this study will focus on agricultural productivity and its future possibilities. Some secondary data has been gathered in order to examine agriculture's realistic scenario and the government's numerous policy programmes. The goal of the study is to discover more about the state of Indian agriculture. They face a number of challenges and obstructions in the form of agro-industry and governments in order to develop agriculture in extreme circumstances, as well as learn about various government initiatives, investments, and policies for agricultural development, and the involvement of agriculture in the Indian economy.