Results 141 to 150 of about 181,923 (295)

European mineral statistics 2002-06 : a product of the World Mineral Statistics database [PDF]

open access: yes, 2008
European Mineral Statistics has over 300 pages of tables on minerals production and trade. Thirty two countries are covered including all the EU members, EU applicants, Norway and Switzerland. In the first section there are tables by country, followed by
Bide, Tom   +6 more
core  

Sliding Doors: Frame Uptake and Rejection by Learners in a Museum‐Based Climate Learning Experience

open access: yesScience Education, EarlyView.
ABSTRACT Science education efforts that support public understanding of modern climate change are critically needed. However, implementing climate‐related learning experiences can be challenging, as public audiences tend to experience a wide range of understandings of and emotions around the issue. In light of these challenges, many scholars have posed
Lynne Zummo   +7 more
wiley   +1 more source

Vog: Using Volcanic Eruptions to Estimate the Health Costs of Particulates

open access: yesThe Economic Journal, EarlyView., 2018
The negative consequences of long‐term exposure to particulate pollution are well established but a number of studies find no effect of short‐term exposure on health outcomes. The high correlation of industrial pollutants complicates the estimation of the impact of individual pollutants on health.
Timothy J. Halliday   +2 more
wiley   +1 more source

Research on the Multiscale Microscopic Pore Structure of a Coalbed Methane Reservoir

open access: yesEnergies
Coal rock pores are the space in which coalbed gas is stored and flows. Accurately characterizing the pore structure of coalbed gas is the foundation of coalbed gas reserve assessment and production forecasting.
Xiuqin Lu   +7 more
doaj   +1 more source

Engaging the Complexities of Energy Transitions: Sociotechnical and Dualistic Insights From Crossdisciplinary Undergraduates

open access: yesScience Education, EarlyView.
ABSTRACT Discourses of energy and energy transition have become increasingly prevalent in informal and formal learning spaces. Energy transitions differ across regions, contexts, and technologies. The contextual nature of energy is an opportunity for a sociotechnical approach to its study.
Desen S. Özkan   +2 more
wiley   +1 more source

Exploration and summary of prevention and control of rock burst in steeply inclined and ultra-thick coal seam

open access: yesMeitan kexue jishu
The roof breaking movement of steeply inclined and ultra-thick coal seam mining is complex, and the evolution law of stress and energy is special. Under the influence of deep ‘three highs and one disturbance’, the prevention and control of rock burst is ...
Linming DOU   +5 more
doaj   +1 more source

Elastic Strain Energy Stored in Gas - Containing Coal Rock

open access: yesJournal of Engineering Science and Technology Review, 2016
Z. X. Hu, Z. Q. Yin, L. X. Xie
openaire   +1 more source

Urbanization, Industrialization, and Energy Transition: An Empirical Analysis of Life Expectancy in a Developing Economy

open access: yesSustainable Development, EarlyView.
ABSTRACT Urbanization is a defining feature of contemporary development, shaping economic opportunities, social structures, and health outcomes. This study examines the influence of urbanization on life expectancy in Bangladesh, with particular attention to the role of the energy mix and industrialization.
Md. Hasanur Rahman   +3 more
wiley   +1 more source

Sampling, Mobility, and Anchoring in Small‐Body Sampling Robots: A Comprehensive Review

open access: yesSmartBot, EarlyView.
Small‐body sampling robots are exploration systems that perform contact, sampling, and stable operations on microgravity bodies such as asteroids and comets. The authors review representative robot architectures and key technologies, focusing on the mechanisms, evolution, and coupling of sampling, mobility, and anchoring.
Yurui Shen   +7 more
wiley   +1 more source

Home - About - Disclaimer - Privacy