Results 121 to 130 of about 4,184,128 (240)

Construction of Ecological Security Patterns Incorporating Multiple Types of Ecological Service Functions for Developed Coastal Regions: A Case Study in Jinjiang Watershed, China

open access: yesLand
An ecological security pattern is an essential natural solution for promoting the coordinated and sustainable development of urban growth and the ecological environment within a given region. This study aims to develop a comprehensive ecological security
Yuchen Zhu   +8 more
doaj   +1 more source

Cycle helmets [PDF]

open access: yesArchives of Disease in Childhood, 2003
A J, Lee, N P, Mann
openaire   +2 more sources

Lakes and reservoirs as regulators of carbon cycling and climate

open access: yes, 2009
L. Tranvik   +30 more
semanticscholar   +1 more source

Triassic Intracontinental Crustal Reworking of the Eastern Tianshan: New Insights From Late Triassic Adakitic and Low‐Sr/Y Granitoids in the Bogda Range

open access: yesGeochemistry, Geophysics, Geosystems
Continental intraplate magmatism remains a fundamental challenge in Plate Tectonics. Triassic magmatism represents a critical phase in the evolution of the Central Asian Orogenic Belt and continues to provoke debate about its tectonic setting. This study
Xinghua Ni   +10 more
doaj   +1 more source

On cycling in the simplex method of the Transportation Problem [PDF]

open access: yes
This paper shows that cycling of the simplex method for the m×n Transportation Problem where k-1 zero basic variables are leaving and reentering the basis does not occur once it does not occur in the k×k Assignment Problem.
SZWARC, Wlodzimierz
core  

Price Cycles and Price Leadership in Gasoline Markets: New Evidence from Canada [PDF]

open access: yes
This paper studies the determinants of Edgeworth Cycles, price leadership and coordination in retail gasoline markets using daily station-level price data for 110 markets in Ontario, Canada for 2007-2008.
David P.Byrne, Roger Ware
core  

Effect of thermal cycling in a Mach 0.3 burner rig on properties and structure of directionally solidified gamma/gamma prime - delta eutectic [PDF]

open access: yes
Tensile and stress rupture properties at 1040 C of a thermally cycled gamma/gamma prime - delta eutectic were essentially equivalent to the as-grown properties.
Gray, H. R., Sanders, W. A.
core   +1 more source

Coupled N and P cycling as driven by microbial taxa and interactions. [PDF]

open access: yesFront Microbiol
Jiao X   +6 more
europepmc   +1 more source

Cycle helmets [PDF]

open access: yesJournal of Accident & Emergency Medicine, 2000
openaire   +2 more sources

Variation of Lower-Limb Muscle Activation Asymmetry in Step Incremental and Constant-Power Pedaling Exercise. [PDF]

open access: yesSensors (Basel)
Heidary SH   +6 more
europepmc   +1 more source

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