Results 231 to 240 of about 41,871 (303)

1. Belt Conveyor(Recent Trend of the Conveyor)

Journal of the Society of Mechanical Engineers, 1962
openaire   +2 more sources

Farm labor scarcity and its uneven impacts on crop producers in the United States

American Journal of Agricultural Economics, EarlyView.
Abstract This study is the first to evaluate the impacts of farm labor scarcity on producers in the United States across different crop production systems. Between 2002 and 2017, we disentangle the effects of labor scarcity from the impacts of rising commodity demand, technological change, and supply of other inputs on labor market outcomes.
Srabashi Ray, Alexandra E. Hill, Iman Haqiqi, J. Edward Taylor, Thomas W. Hertel   +4 more
wiley   +1 more source

Dynamic obstacle avoidance path planning for collaborative robot based on improved APF-Bi-RRT algorithm. [PDF]

Sci Prog
Li Y, Yan L, Wang M, Wang X.
europepmc   +1 more source

Firm turnover under asymmetric information: Tanzania's agro‐dealer sector

American Journal of Agricultural Economics, EarlyView.
Abstract We study firm turnover (i.e., entry and exit) and its consumer implications in a market characterized by asymmetric information. Using a three‐round census of agro‐dealers in Tanzania's Morogoro Region, we document annual firm entry and exit rates of 33% and 17%, respectively.
Alix Naugler, Hope Michelson, Sarah Janzen, Christopher Magomba   +3 more
wiley   +1 more source

A machine vision dataset for automated quality inspection and grading of sweetpotatoes. [PDF]

Data Brief
Zhang J, Lu Y, Xu J.
europepmc   +1 more source

Reverse auctions for drought‐responsive water buybacks: Evidence from co‐designed lab and field experiments

American Journal of Agricultural Economics, EarlyView.
Abstract Protecting endangered aquatic species while sustaining farming communities can require water buyback programs that are both cost‐effective and responsive to the variability and unpredictability of drought conditions. Working in close partnership with The Nature Conservancy and the Georgia Water Planning and Policy Center, we co‐design parallel
Lusi Xie, Kent D. Messer, Leah H. Palm‐Forster, Mark Masters, Holly A. Michael, Kristin Rowles   +5 more
wiley   +1 more source

Optimization of Nitrogen Injection Parameters for a Partial W‑Type Ventilation Goaf at Duanwang Mine. [PDF]

ACS Omega
Zhang X, Li Z.
europepmc   +1 more source

The psychosocial toll of Dublin III on asylum seekers in the Netherlands

American Journal of Community Psychology, EarlyView.
Abstract The Dublin III Regulation determines which EU Member State is responsible for examining asylum claims, but its implementation carries significant consequences for those subjected to it. This study examines how Dublin III, as implemented in the Netherlands, affects asylum seekers' psychosocial wellbeing using Silove′s Adaptation and Development
Imen El Amouri
wiley   +1 more source

A conveyor-belt magneto-optical trap of CaF. [PDF]

Nat Commun
Yu SS, You J, Bao Y, Anderegg L, Hallas C, Li GK, Lim D, Chae E, Ketterle W, Ni KK, Doyle JM.   +10 more
europepmc   +1 more source

NO NĀ PUA: Exploring the feasibility of culture‐based social prescribing on firefighters' wellbeing in Hawaiʻi

American Journal of Community Psychology, EarlyView.
Abstract Firefighters face an array of stressors due to the demands of their occupation, leading to a high prevalence of mental health challenges. Social prescribing represents a novel approach to healthcare that emphasizes a holistic view of health and wellbeing.
Janice Ikeda, Margary Martin, Misty Pacheco   +2 more
wiley   +1 more source