Results 71 to 80 of about 2,286,231 (293)

Life cycle analysis of Jatropha curcas as a sustainable biodiesel feedstock in Argentina [PDF]

open access: yes, 2016
Despite constant changes to the industry in recent years, Argentina remains one of the most important producers of biodiesel in the world. Approximately 90% of the biodiesel produced in Argentina is from soybean, a fact which has raised concern over the ...
Beaver, Alexa   +2 more
core   +1 more source

Advancing from MOFs and COFs to Functional Macroscopic Porous Constructs

open access: yesAdvanced Materials, EarlyView.
This review study investigates the recent progress and methodologies for manufacturing metal–organic framework (MOF) or covalent–organic framework (COF)‐based 3D structured macroscopic porous constructs with high structural integrity, providing the possibility to control their porosity across dimensions.
Seyyed Alireza Hashemi   +8 more
wiley   +1 more source

High‐Resolution Patterned Delivery of Chemical Signals From 3D‐Printed Picoliter Droplet Networks

open access: yesAdvanced Materials, EarlyView.
3D‐printed picoliter droplet networks have been fabricated that control gene expression in bacterial populations by releasing chemical signals with precise spatial definition and high temporal resolution. This system of effector release is widely applicable, offering diverse applications in biology and medicine.
Jorin Riexinger   +7 more
wiley   +1 more source

Animal Welfare and the UN’s Sustainable Development Goals (SDGs) [PDF]

open access: yes, 2019
In 2005, the UN agreed on a set of seventeen Sustainable Development Goals (SDGs) that included goals for Life in Water (SDG 15) and Life on Land (SDG 15).
Allgood, Beth
core   +1 more source

High‐Performance Recyclable Polyester Elastomers Through Transient Strain‐Stiffening

open access: yesAdvanced Materials, EarlyView.
Transient strain‐crystallization simultaneously strengthens and toughens block polyester elastomers while conserving recyclability. Using controlled polymerization catalysis and commercial monomers, block polyester elastomers outperform current commercial elastomers, entering a new region of tensile mechanical property space.
Chang Gao   +5 more
wiley   +1 more source

Kids Count Alaska 2006/2007 [PDF]

open access: yes, 2008
About This Year’s Book Every year the Kids Count Alaska data book reports on how the children of Alaska are doing. But we also like to tell readers a bit more about life in Alaska, to help them understand the place Alaska’s children call home.
DeRoche, Patricia   +3 more
core  

Carbon Fiber Reinforced Thermoplastics: From Materials to Manufacturing and Applications

open access: yesAdvanced Materials, EarlyView.
A contemporary and critical review on carbon fiber reinforced thermoplastics. The common thermoplastic and carbon fiber applied in the manufacture of carbon fiber reinforced thermoplastics are summarized, and the processing and postprocessing methods are reviewed, with emphasis on state‐of‐the‐art welding techniques.
Howard (Hao) Wang   +6 more
wiley   +1 more source

Global decadal assessment of life below water and on land

open access: yesiScience, 2023
Summary: The United Nations (UN) has adopted the 17 Sustainable Development Goals (SDGs), aiming to provide human welfare and conserve the planet, now and into the future.
Yuqian Zhang, Yingjie Li, Jianguo Liu
doaj  

MODIS: Moderate Resolution Imaging Spectrometer [PDF]

open access: yes, 2002
This brochure describes the Moderate Resolution Imaging Spectrometer (MODIS) instrument on NASA's Terra satellite. The first NASA Earth Observing System (EOS) satellite, Terra, was launched on December 18, 1999, carrying five remote sensors.

core   +1 more source

Halide Perovskite Photocatalysts for Clean Fuel Production and Organic Synthesis: Opportunities and Challenges

open access: yesAdvanced Materials, EarlyView.
This review provides the state‐of‐the‐art overview of halide perovskite‐based photocatalysts for hydrogen production from water and halogen acid solutions, CO2 reduction into value‐added chemicals, and organic chemical transformations. Different types of halide perovskite photocatalysts and their relative efficiencies for hydrogen generation and CO2 ...
Siddharth Singh   +8 more
wiley   +1 more source

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