Results 101 to 110 of about 34,337 (295)

Girls in Mining: Research Findings from Ghana, Niger, Peru, and United Republic of Tanzania [PDF]

open access: yes, 2007
[Excerpt] Research carried out by the International Labour Organization’s International Programme on the Elimination of Child Labour (ILO–IPEC) between April and December 2006 has produced evidence that girls as well as boys are involved in hazardous ...
International Labour Organization, Bureau for Gender Equality   +1 more
core   +1 more source

Fritz Scheffer Under National Socialism: Assessing His Political Involvement

open access: yesJournal of Plant Nutrition and Soil Science, EarlyView.
ABSTRACT Aims This article examines the role of soil scientist Fritz Scheffer (1899–1979) under National Socialism and offers a critical assessment of his scientific, institutional, and political positioning between 1933 and 1945. It asks how Scheffer shaped his career within the tension between disciplinary specialization, political expectations, and ...
Jan Arend
wiley   +1 more source

Research of Fuzzy Recognition System of Working State of Hydraulic Support

open access: yesGong-kuang zidonghua, 2012
In view of problem that current pressure monitoring system of hydraulic support of fully mechanized coal face can only monitor pressure of fully mechanized coal face and cannot recognize working state of hydraulic support, a fuzzy recognition system of ...
ZHANG Shen   +4 more
doaj  

Reshaping Labor Intermediation: An Integrated Workforce Management Strategy to Contrast Agricultural Workers' Exploitation in Italy

open access: yesStrategic Change, EarlyView.
ABSTRACT Labor exploitation within agri‐food supply chains poses significant ethical and managerial challenges, particularly in Mediterranean contexts where irregular employment practices persist. This study investigates the case of NoCap, a third‐party ethical certification initiative operating in Italy that integrates social responsibility into ...
Claudio Mirabella   +3 more
wiley   +1 more source

New approach to the design of mining operations [PDF]

open access: yes, 2019
Analysis of the production development scenarios is proposed for strategic activity planning; criteria to make decisions under the uncertainty conditions as well as decision-making trees for day-to-day management are proposed to determine balanced ...
Hrinov, V., Khorolskyi, A., Mamaikin, O.
core   +1 more source

Is quinoa‐farming sustainable in marginal environments? Social, economical and environmental aspects

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract Quinoa (Chenopodium quinoa Willd.) is an Andean grain crop introduced as a novel crop to many parts of the world in recent years. Recognized for nutritious seeds and high abiotic stress tolerance, it has been promoted as an element of climate‐resilient agriculture, particularly in marginal environments.
Anna Tabea Mengen   +5 more
wiley   +1 more source

Research on key technologies of 3D laser scanning modeling in fully mechanized working face

open access: yesGong-kuang zidonghua, 2022
According to the boundary information of the coal wall and roof in the 3D laser scanning model of fully mechanized working face, the shearer can automatically adjust the cutting height of the drum to realize the coal precise mining. The existing technology realizes the automatic extraction of the roof line of coal cutting based on the laser point cloud
RONG Yao   +4 more
openaire   +1 more source

Transient Health Shocks and Agricultural Labor Demand in Rice-producing Households in Mali [PDF]

open access: yes
Malaria and other transient illnesses have been recognized as factors constraining economic development in tropical countries. The purpose of this paper is to determine the direct and the indirect impact of transient illness shocks, caused primarily by ...
Dalton, Timothy J.   +1 more
core   +1 more source

Winegrowers' Perceptions and Adoption of Sustainable Soil Management Practices and Technologies: A Case Study in Piedmont, Italy

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Soil is crucial for human survival but is threatened by erosion and contamination. Farmers play a pivotal role in soil conservation, thus, understanding what influences their decisions is crucial. The IN‐GEST SOIL project aimed to mitigate soil erosion and improve soil and vine quality in Piedmont vineyards, NW Italy.
Federica Caffaro   +6 more
wiley   +1 more source

A three machine digital twin and collaborative modeling method for fully mechanized working face

open access: yesGong-kuang zidonghua, 2023
The existing coal mine equipment digital twin modeling method mainly focuses on single equipment modeling. It lacks three machine coupling collaborative relationship analysis. In order to solve the above problems, the paper puts forward three machine digital twin and collaborative modeling method for fully mechanized working face.
LIU Qing   +3 more
openaire   +1 more source

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