Results 91 to 100 of about 16,115 (235)

Rural Capitalists and Development in Colonial Africa: A Comparative Analysis

Journal of Agrarian Change, EarlyView.
ABSTRACT This paper explores the emergence and role of rural capitalists in colonial Sub‐Saharan Africa by comparing three peasant‐based economies: Bechuanaland, the Gold Coast and Tanganyika. Using social tables, we estimate the population and income shares of better earning agricultural producers and assess their impact on rural inequality and ...
Prince Young Aboagye, Ellen Hillbom, Sascha Klocke   +2 more
wiley   +1 more source

Do robots boost productivity? A quantitative meta‐study

Journal of Economic Surveys, EarlyView.
ABSTRACT This meta‐study analyzes the productivity effects of industrial robots. More than 1800 estimates from 85 primary studies are collected. The meta‐analytic evidence suggests that robotization has so far provided, at best, a small boost to productivity. There is strong evidence of publication bias in the positive direction.
Florian Schneider
wiley   +1 more source

IMPROVING THE METHOD OF OPEN-PIT LIGNITE DEPOSITS DEVELOPMENT IN UKRAINE [PDF]

, 2018
Subject of the research is open-pit mining concerning a full- field industrial development of a number of lignite deposits; feasibility study has been performed for them as for the efficient environmental friendly processing of coal and associated ...
Adamchuk, A.A., Dryzhenko, A.Yu., Shustov, O.O., Адамчук, А.А., Адамчук, Андрей Андреевич, Адамчук, Андрій Андрійович, Дриженко, А.Ю., Дриженко, Анатолий Юрьевич, Дриженко, Анатолій Юрійович, Шустов, Александр Александрович, Шустов, О.О., Шустов, Олександр Олександрович   +11 more
core  

Study on unmanned mining technology of fully mechanized coal mining face

Gong-kuang zidonghua, 2017
The paper analyzed present situation of development of fully mechanized coal mining face, including application situation and existing problems of technologies of memory coal cutting, hydraulic support automation, coal and rock identification and so on.
openaire   +1 more source

Three Decades of China's Bt Cotton: Achievements and Insights

Plant Biotechnology Journal, EarlyView.
ABSTRACT Cotton is a vital natural fibre crop with significant economic value worldwide. In response to the threat of cotton bollworm (Helicoverpa armigera), the China government initiated a research project in 1992 to develop transgenic Bacillus thuringiensis (Bt) cotton.
Zhigang Meng, Xiufeng Han, Guangqin Yang, Yuan Wang, Yi Zhou, Qi Zhou, Yanyan Li, Tao Zhou, Sandui Guo, Shuangxia Jin, Chengzhen Liang   +10 more
wiley   +1 more source

Wallace's pARCs—Making Climate, Climate Change and Biodiversity Data Available to Protected Area Managers and Conservation Planners With an Example From Biebrza National Park, Poland

Climate Resilience and Sustainability, Volume 5, Issue 1, June 2026.
A spatial representation of the potential ‘adaptation effort’ that might be needed to maintain at least 75% of the species modelled in Biebrza National Park, Poland (white outline), at 1.5°C. The darker the green shading, the less adaptation would be needed.
Jeff Price, Nicole Forstenhäusler, Erin M. Graham, Timothy J. Osborn, Rachel Warren   +4 more
wiley   +1 more source

English for Study and Work: Coursebook in 4 books. Book 2 Obtaining and Processing Information for Specific Purposes [PDF]

, 2015
Подано всі види діяльності студентів з вивчення англійської мови, спрямовані на розвиток мовної поведінки, необхідної для ефективного спілкування в академічному та професійному середовищах.
Зуенок, И. И., Зуенок, Ирина Ивановна, Зуєнок, І. І., Зуєнок, Ірина Іванівна, Кострицкая, С. И., Кострицкая, Светлана Ивановна, Кострицька, С. І., Кострицька, Світлана Іванівна, Поперечна, Н. В., Поперечна, Неллі Василівна, Поперечная, Н. В., Поперечная, Нелли Васильевна, Швец, Е. Д., Швец, Елена Дмитриевна, Швець, О. Д., Швець, Олена Дмитрівна   +15 more
core  

Research on Dust Migration and Dust Deposition Rules of Breathing Zone in Fully Mechanized Mining Face. [PDF]

ACS Omega, 2023
Hao T, Wang L, Wang Z, Li F, Jiang W, Jiang S.   +5 more
europepmc   +1 more source

Massive data mining and analysis platform design for fully mechanized working face

Gong-kuang zidonghua, 2023
The current real-time and integrity of massive data acquisition in fully mechanized working faces are poor. The abnormal data cleaning takes a long time. The data mining delays are large. This leads to low utilization rate of fully mechanized working data and incapability to assist management in issuing decision-making instructions in real-time.
WANG Hongwei, YANG Kun, FU Xiang, LI Jin, JIA Sifeng   +4 more
openaire   +1 more source

Design and Application of Virtual Reality System in Fully Mechanized Mining Face

Procedia Engineering, 2011
AbstractThis paper introduced function design and development flow of virtual reality system of fully mechanized mining face. In the process of geometric modeling, element partitioning, instance,atomization and other technologies were used to improve the real-time performance of virtual view. With hydraulic support as the example,based on analysis of 4-
Xiaoqiang, Zhang, An, Wang, Jianzhong, Li   +2 more
openaire   +1 more source