Results 101 to 110 of about 429,241 (277)

Ecoso exchange newsletter 2/1; Dec. 1988 [PDF]

open access: yes, 1988
Contents in this issue: The Ecoso Exchange Story So Far, pg. 1 Ecoso Exchange Newsletter is Now Being Revived, pg. 2 Globalisation of Trade and Planning Education, pg. 3 Ideas on Sustainable Societies, pg. 5 The Rainbow Alliance, pg. 5 The New Left

core  

The impact of forced closure on proppant distribution of hydraulic fracturing in shale formations

open access: yesDeep Underground Science and Engineering, EarlyView.
Research findings demonstrate that implementing forced closure within shale formations can remarkably mitigate proppant settlement, concurrently increasing the effective propped surface area from 29.74% to 38.68%. Abstract Forced closure is widely used in conventional oil and gas reservoirs to promote uniform proppant placement.
Tongxuan Gu   +3 more
wiley   +1 more source

COMPUTATIONAL AND EXPERIMENTAL EVALUATION OF TECHNICAL CHARACTERISTICS OF TRUCKS TIRES

open access: yesСельскохозяйственные машины и технологии, 2015
Now improvement of technological design specification of trucks tires develops very much. In modern mechanical engineering polyamide and kapron cords for tires of line-haul trucks and buses are replaced with all-metal ones (AMC) even more often.
Z. A. Godzhaev   +3 more
doaj  

Strengthening urban resilience in China through underground infrastructures management: Addressing global climate challenges with technological solutions

open access: yesDeep Underground Science and Engineering, EarlyView.
This paper explores how climate‐resilient technologies, such as smart grids, digital twins, and self‐healing materials, can enhance urban resilience. It highlights the urgent need for proactive planning, public‐private collaboration, and data‐driven innovation to future‐proof underground infrastructure amid accelerating climate and urban pressures ...
Kai Chen Goh   +12 more
wiley   +1 more source

Time-Varying Dynamics and Socioeconomic Determinants of Energy Consumption and Truck Emissions in Cold Regions

open access: yesEnergies
Facing the increasingly severe challenges of global climate change, China has established clear “dual carbon” goals, with the core objective of achieving carbon peak by 2030 or earlier.
Ge Zhou   +4 more
doaj   +1 more source

Carbon emission assessment of tunnel infrastructures: From construction to operation

open access: yesDeep Underground Science and Engineering, EarlyView.
This study develops a lifecycle carbon accounting framework for tunnel infrastructures, covering design, construction, operation, maintenance, and dismantling. Applied to a subsea tunnel case, the framework reveals the carbon emission distribution among four typical tunnel types and highlights potential carbon offset methods for low‐carbon tunnel ...
Luyuan Long   +4 more
wiley   +1 more source

LOS COMIENZOS DEL TRANSPORTE MECANIZADO TERRESTRE EN MAGALLANES (1900-1930) THE BEGINNINGS OF MECHANIZED TERRESTRIAL TRANSPORT IN MAGELLAN (1900-1930)

open access: yesMagallania, 2009
Se da cuenta de las formas y circunstancias que determinaron la evolución del sistema de transporte en Magallanes, desde los carruajes de tiro animal propios de la época de la colonización inicial, hasta los vehículos automotores, fenómeno entendido como
Mateo Martinic B
doaj  

A PESTLE analysis of the trucking industry: key insights and implications

open access: yesCogent Business & Management
Trucks are essential for transporting goods in today’s economy, and heavy truck technology is advancing rapidly. New advancements include electric trucks, internet of things applications, and advanced safety features.
Pamela Torres-Nunez   +3 more
doaj   +1 more source

Environmental Policy Without Implementation? A Review of Factors Contributing to Implementation Gaps in Low‐ and Middle‐Income Countries

open access: yesEnvironmental Policy and Governance, EarlyView.
ABSTRACT The sound formation of robust environmental policies is increasingly important for low‐ and middle‐income countries (LMICs) to achieve their national objectives and international commitments. However, policy implementation can be complex, and environmental policies may not be prioritised given other critical socio‐economic development issues ...
Rebecca K. M. Clube, Julia Tomei
wiley   +1 more source

Operating Costs for Trucks [PDF]

open access: yes
This study estimates the operating costs for commercial vehicle operators in Minnesota. A survey of firms that undertake commercial truck road movements was performed.
David Levinson   +2 more
core  

Home - About - Disclaimer - Privacy