Results 101 to 110 of about 93,806 (299)

On‐Water Surface Synthesis of 2D Conjugated Metal–Organic Framework Films With Controllable Layer Orientation Enabling High‐Performance Chemiresistive Sensing

open access: yesAdvanced Materials, EarlyView.
Layer orientation dictates charge transport in 2D conjugated metal–organic frameworks, yet controllable methods remain scarce. We report surfactant monolayer‐assisted on‐water synthesis of cm2‐scale Ni‐HHTP films with programmable face‐on and edge‐on orientations.
Jianjun Zhang   +22 more
wiley   +1 more source

Women's Experiences in the Context of Climatic Crisis: An African Theo-Eco-feminist Approach to food insecurity in Kenya [PDF]

open access: yesPharos Journal of Theology
Climate change is a pressing global issue that profoundly impacts our planet and its inhabitants. In response, the international community has recognized the urgency to address this challenge and has set forth the Sustainable Development Goals(SDGs) as a
Josephine Kanyiva
doaj   +1 more source

On the Friction and Wear Mechanisms of Electrified Steel Contacts in CO2: Unveiling the Role of Carbon‐Rich Tribofilms Under Dry Sliding Conditions

open access: yesAdvanced Materials Interfaces, EarlyView.
This study investigates friction and wear of AISI 52100 steel under dry sliding in CO2, air, and N2 atmospheres, with and without contact electrification. CO2 forms a stable carbon‐rich tribofilm that reduces friction by ∼30% and wear by ∼85%. High‐resolution TEM, EELS, and molecular dynamics reveal pressure‐dependent lubrication mechanisms, showing ...
Julio A. Cao‐Romero‐Gallegos   +6 more
wiley   +1 more source

Touching People with Gods: Droughts and Ritual Prayers in Southeastern China During the Eighth and Ninth Centuries

open access: yesReligions
Between the eighth and ninth centuries, the world entered a second period of strong winter monsoons, which precipitated a series of recurrent natural disasters, including reduced summer rainfall and prolonged droughts.
Zejie Lin, Yanli Xie
doaj   +1 more source

Operando X‐Ray Absorption Spectroscopy Reveals Dynamic Interfacial Metal–Metal Coordination Governing CO2 Reduction Selectivity in PdAg Alloys

open access: yesAdvanced Materials Interfaces, EarlyView.
Operando X‐ray absorption spectroscopy uncovers dynamic Ag–Pd coordination in PdxAg1−x electrocatalysts during CO2 reduction. Partial oxidation of Ag and composition‐dependent metal–metal bonding synergistically regulate intermediate binding, enabling ∼91% CO selectivity.
Ruspika Sundaresan   +8 more
wiley   +1 more source

A Brief Survey of the Work Being Performed by Crisis Organisations in European Union Member States on Climate Change Effects

open access: yes, 2017
The negative effects of climate change are calling for action to mitigate and adapt to future challenges. National crisis management authorities need to prepare to handle crisis caused by direct or indirect effects.
Malin Mobjörk   +3 more
core   +1 more source

Liquid Metal‐Based Stretchable Strain Sensor for Fruit Growth Monitoring

open access: yesAdvanced Materials Technologies, EarlyView.
Schematic overview of the fruit growth sensor development workflow, including sensor fabrication by injection molding, electromechanical and environmental characterization, mechanical stability testing, electronic readout integration, and outdoor field validation for monitoring of fruit growth under practical orchard conditions.
Asad Ullah   +7 more
wiley   +1 more source

How Irrigation Level and Soil Type Affect Nutritional Quality and Yield of Greenhouse Tomato Grown Under Mild Environmental Conditions

open access: yesHorticulturae
Cherry tomato is a highly demanding crop regarding temperature and water requirements. Considering that the climate crisis has already affected soil quality, water quality and quantity, and temperatures throughout the year, some cultivation practices may
Eleni Papoui   +4 more
doaj   +1 more source

Introduction [PDF]

open access: yes, 2021
Steffen Böhm, Sian Sullivan
openaire   +1 more source

High‐Power Rapid Laser‐Induced Synthesis of Multi‐functional Cobalt Metal‐Organic Framework With an Unprecedented Synthesis Efficiency

open access: yesAdvanced Materials Technologies, EarlyView.
Laser‐assisted synthesis enables rapid (within 1 h) and high‐yield (≥90%) production of Co‐MOFs with mesoporous structures, tunable magnetic and optical properties, and efficient adsorption of N2, CH4, and CO2 for low‐energy gas separation. DFT calculations elucidate the electronic structure and adsorption behavior.
Saliha Mutlu   +10 more
wiley   +1 more source

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