Results 91 to 100 of about 326,446 (253)

Ultra‐Low Intensity Continuous Wave Laser Ablation Propulsion With Graphene‐Engineered Wood

Advanced Science, EarlyView.
Graphene delignified wood converts continuous wave laser energy into thrust. Laser propulsion experiments in vacuum reveal the lowest laser ablation threshold intensities and the greatest density‐normalized specific impulse in literature. The results highlight graphene delignified wood as a potential efficient, sustainable, strong, and lightweight ...
Afnan S. M. Elmubasher, Rami Elkaffas, Mohamed Hamid Salim, Basel Altawil, Chanaka Sandaruwan, Shanavas Shajahan, Ahsan Baidar Bakht, Irfan Hussain, Blaise L. Tardy, Sean S. M. Swei, Yarjan Abdul Samad   +10 more
wiley   +1 more source

Spatial differentiation and functional zoning of carbon budget: evidence from Jiangxi Province

Frontiers in Environmental Science
Regional carbon budget and compensation are one of the current research hotspots, which is of great practical significance for dealing with climate change and promoting the coordinated development of low carbon.
Liao Wenmei, Liao Wenmei, Jiang Liwen, Zou Jiamin, Wang Zhipeng, Qiu Hailan, Sun Shuie   +6 more
doaj   +1 more source

Physics‐Constrained Constitutive Learning of Rate‐Limiting Timescales for Efficient Hydrogen‐Based Direct Reduction for Green Steel Making

Advanced Science, EarlyView.
A conversion‐resolved constitutive framework is developed for the hydrogen‐based direct reduction of iron oxide pellets. Effective reaction and transport timescales are inferred directly from measured trajectories and mapped against operating conditions, pellet architecture, and composition. The analysis reveals how late‐stage transport control emerges
Anurag Bajpai, Barak Ratzker, Pasquale Cavaliere, Dierk Raabe   +3 more
wiley   +1 more source

Fine-Scale Territorial Carbon Budget Accounting and Driver Identification in the Central Guizhou Urban Agglomeration, China

Land
Fine-scale accounting of land use carbon budgets and identification of their driving factors provides an essential scientific basis for constructing green and low-carbon territorial spatial systems.
Debin Lu, Jiaheng Chen, Zhongyin Wei, Zhang Shi, Feifeng Wang   +4 more
doaj   +1 more source

Carbon Chemistry in Dense Molecular Clouds: Theory and Observational Constraints [PDF]

, 1990
For the most part, gas phase models of the chemistry of dense molecular clouds predict the abundances of simple species rather well. However, for larger molecules and even for small systems rich in carbon these models often fail spectacularly.
Blake, Geoffrey A.
core  

Trophic Diversity in Duckweed: Mixotrophy, More Than the Sum of its Extremes

Advanced Science, EarlyView.
In the context of rising DOC in aquatic environments, mixotrophic duckweed may impact carbon cycling by acting as either a carbon sink, as they absorb CO2 through photosynthesis, or a carbon source, as they release CO2 through respiration of absorbed DOC, which depends on DOC concentration, light availability, temperature, and other environmental ...
Zuoliang Sun, Yan Chen, Fajun Li, Xuyao Zhao, Qingxiang Han, Hongwei Hou   +5 more
wiley   +1 more source

A Risk-Based Method For Estimating The Carbon Sequestration Budget For a Mixed Hardwood Forest [PDF]

, 2017
Carbon Dioxide (CO2) levels in the atmosphere have risen from approximately 310 ppm in the 1950’s to over 400 ppm as of 2015. This rise in CO2 has likely resulted in the observed warming trend of the earth’s atmosphere in the same time frame, causing ...
Cooper, Erin
core   +2 more sources

Neuromorphic Near‐Sensor and In‐Sensor Computing Enabled by Next‐Generation Material‐Based Sensors

Advanced Science, EarlyView.
This Review presents a structural framework that classifies neuromorphic sensing into near‐sensor and in‐sensor architectures, clarifying physical coupling between sensing and computation. The framework connects neural and synaptic device functions with recent advances in optical, mechanical, and chemical sensing, compares energy consumption and ...
Su Yeon Jung, Gwang Ya Kim, Sejin Kim, Hyunjong Seo, Se Gi Lee, Sang Min Won, Dongjoon Rhee, Joohoon Kang   +7 more
wiley   +1 more source

A Compendium of Logic Gates Based on Reconfigurable Three‐Independent‐Gate Transistors Realized in FDSOI Hardware

Advanced Electronic Materials, EarlyView.
This work electrically characterizes sixteen logic gates built from three‐independent‐gate reconfigurable transistors fabricated on full‐scale 300 mm wafers using the industrial 22 nm fully depleted FDSOI process of GlobalFoundries. Static and time‐resolved measurements confirm correct operation, including a 1‐bit adder and reconfigurable AOI/OAI ...
Juan P. Martinez, Yuxuan He, Giulio Galderisi, Violetta Sessi, Niladri Bhattacharjee, Peter Baars, Kerstin Poenisch, Annekathrin Zeun, Konstantin Li, Fernando Koch, Binit Syamal, Thomas Mikolajick, Jens Trommer   +12 more
wiley   +1 more source

Harmonizing direct and indirect anthropogenic land carbon fluxes indicates a substantial missing sink in the global carbon budget since the early 20th century

Plants, People, Planet
Societal Impact Statement The global carbon budget provides annual updates to society on the main cause of climate change—CO2 emissions—and quantifies carbon‐uptake ecosystem services provisioned by the biosphere. We show that more consistent assumptions
Anthony P. Walker, Wolfgang A. Obermeier, Julia Pongratz, Pierre Friedlingstein, Charles D. Koven, Clemens Schwingshackl, Stephen Sitch, Michael O'Sullivan   +7 more
doaj   +1 more source