Results 31 to 40 of about 961 (134)

Low‐Dimensional Materials and Van Der Waals Heterostructures for Energy Application: A Comprehensive Review

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Low‐dimensional materials (0D, 1D, and 2D) exhibit unique electronic and physicochemical properties, enabling advanced nanoelectronic and optoelectronic devices. Mixed‐dimensional heterostructures combine these materials to enhance functionality.
Qaisar Alam, Sajjad Ali, Pir Muhammad Ismail, ABM Sharif Hossain   +3 more
wiley   +1 more source

Study of high-frequency impact extrusion bionic drilling technology for soft coal seams

Frontiers in Earth Science
Soft coal seams represent a common geological feature in coal and gas outburst mines. They generate a substantial amount of coal debris during gas extraction drilling, which easily causes hole blockage and leads to drilling hazards such as pipe sticking,
Hongjie Tian, Hongjie Tian, Dongzhuang Tian, Dongzhuang Tian, Zaixu Chen   +4 more
doaj   +1 more source

Sustainable Revival of Spent Lithium Iron Phosphate Cathodes in Li‐Ion Batteries: Recycling and Surface Engineering Approaches

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Schematic illustration of the lifecycle of LiFePO4 cathodes. Lithiation and delithiation reactions happen through its discharging and charging processes. Recycling pathways including hydrometallurgy, pyrometallurgy, and direct regeneration enable sustainable reuse of spent LFP materials. Surface modification approaches (carbon, polymer, and metal/metal
Yan He, Ruigang Wang
wiley   +1 more source

Relationship Between Micro‐Level Circular Economy and Sustainable Performance in the Metalworking Industry

Sustainable Development, EarlyView.
ABSTRACT The large multinational metalworking industry has increasingly adopted micro‐level circular economy (MLCE) practices; however, the extent to which these initiatives translate into sustainable performance remains insufficiently understood. This study examines the relationship between MLCE and economic, environmental, and social performance ...
Paulo Caracciolo, Plinio Centoamore, Thadeu Alfredo Farias Silva, Henrricco Nieves Pujol Tucci, Dirceu da Silva, Geraldo Cardoso de Oliveira Neto   +5 more
wiley   +1 more source

Loading performance of web-type drum for shearer

Meitan kexue jishu
Aiming at the low loading efficiency of the 1.6 m shearer drum under complex coal seam conditions, this study breaks through the bottleneck of loading efficiency through structural innovation and proposes a structural optimization scheme for a web-type ...
Qingliang LI, Ning JIANG, Ying YU, Qiulai HUANG, Weipeng XU, Ziyao MA, Dongyu LIU   +6 more
doaj   +1 more source

Application of pneumatic directional drilling technology for soft-fragmentized coal seam in Qinglong Coal Mine

Gong-kuang zidonghua, 2020
In view of problems of rotary drilling technology for soft-fragmentized coal seam, such as shallow borehole completed depth, uncontrollable borehole trajectory, low drilling efficiency and poor gas drainage effect, pneumatic directional drilling ...
KONG Qingjun, CHU Zhiwei
doaj   +1 more source

Enhancing durability of steam‐cured precast concrete culverts using SCMs: A comparative study with delithiated beta spodumene

Structural Concrete, EarlyView.
Abstract Steam curing is commonly used to manufacture precast culverts to accelerate early strength development. This study investigates the effect of supplementary cementitious materials (SCMs) on the permeability properties of steam‐cured precast concrete culverts.
Saugat Humagain, Prabir Kumar Sarker, Faiz Uddin Ahmed Shaikh, Daksh Baweja   +3 more
wiley   +1 more source

Dutch dilemma: Housing prices and flood risk exposure

Real Estate Economics, EarlyView.
Abstract This article studies the impact of flood risk exposure on housing prices in a major river delta. Analyzing 1.8 million property transactions from 1998 to 2023 in the Netherlands, we find an average price discount of 1.1%. We observe considerable heterogeneity in price effects driven by exposure intensity, institutional settings that vary ...
Piet Eichholtz, Nils Kok, Philibert Weenink   +2 more
wiley   +1 more source

Numerical study on retrofitting opposed firing boilers with a slag-tap combustion chamber

Frontiers in Energy Research
The utilization of high-alkali coals like Naomaohu coal in conventional opposed firing boilers faces operational challenges due to severe slagging and fouling caused by low ash fusion temperatures and elevated sodium content.
Qinglong Wu, Fan Fang, Jingyu Guan, Lingkun Zhu, Yang Chen, Lei Deng   +5 more
doaj   +1 more source

Ozone Susceptibility of Tropical Tree Species

Plant, Cell &Environment, EarlyView.
ABSTRACT Tropical forests account for approximately 60% of global terrestrial photosynthesis, yet their function into the future may be compromised by rising ground‐level ozone (O3) pollution. Although O3 is known to impair plant productivity, the physiological mechanisms underlying interspecific variation in O3 susceptibility—especially among tropical
Mst Nahid Farha, Flossie Brown, Lucas A. Cernusak, Stephen Sitch, Alexander W. Cheesman   +4 more
wiley   +1 more source