Results 101 to 110 of about 636,297 (295)

Laboratory Models of Microbial Biosignatures in Carbonate Rocks [PDF]

, 2005
Enigmatically shaped laminated carbonate rocks called stromatolites dominated shallow marine environments for the first 80% of Earth’s history, and are potentially the oldest macrofossils.
Bosak, Tanja
core   +1 more source

Force‐Electric Nanotentacles of Tantalum Implant Accelerate Cellular Energy Metabolism/Crosstalk for Immunomodulation‐Vascularized Bone Integration

Advanced Science, EarlyView.
A biomimetic force‐electric nanotentacle‐enabled tantalum (Ta) implant with surface‐nanostructured LiTaO3 (n‐LiTaO3) was first developed via laser nanofabrication combined with Li+‐induced in situ reaction, enabling the transduction of ultrasound into bioelectrical cues.
Taixing Zhang, Ke Ma, Kangqing Zuo, Pandong Lin, Tailong Zhang, Rongliang Ding, Linbo Zhang, Aonan Li, Yinchuan Wang, Yanling Huang, Jichao Feng, Guiyong Xiao, Yupeng Lu, Bing Han, Zhiqiang Wang, Ningbo Li   +15 more
wiley   +1 more source

Sand Improvement by Surface Percolation Method Using Urease-Containing Substance Extracted from Soybean Seed

Applied and Environmental Soil Science
Background. In recent decades, the microbial and plant-derived urease have been used for sand stabilization by the calcium carbonate precipitation method, especially with Sporosarcina pasteurii.
Amirreza Pirghazani, Hooshang Katebi, Hossein Samadi Kafil, Ahmad Fahmi   +3 more
doaj   +1 more source

Experimental study and prediction method of solid destabilization and production in deep carbonate reservoir during mining

Journal of Rock Mechanics and Geotechnical Engineering
Wellbore instability is one of the significant challenges in the drilling engineering and during the development of carbonate reservoirs, especially with open-hole completion.
Bo Zhou, Changyin Dong, Fansheng Huang, Dongyu Xue, Haobin Bai, Guolong Li   +5 more
doaj   +1 more source

In Situ CO2‐Induced Hydrogels for Enhancing Carbon Sequestration in Saline Aquifers

Advanced Science, EarlyView.
A novel integrated method that combines in situ CO2‐induced phase‐transition hydrogels formed by a C22‐tailed tertiary amine dispersion with tailored deep eutectic solvents to increase CO2 sequestration in saline aquifers. ABSTRACT Carbon sequestration in saline aquifers underpins global net‑zero emission goals, yet existing CO2 storage capacity ...
Fuchuan Liu, Xinjie Luo, Dianguo Wu, Xuezhi Zhao, Yan Zhang, Yujun Feng   +5 more
wiley   +1 more source

Habitat‐Specific Design Strategies for Untethered Soft Robots

Advanced Science, EarlyView.
Habitat shapes the design of untethered soft robots. Across land, water, air, and living tissues, environmental constraints govern viable combinations of compliant structures, actuation mechanisms, and energy delivery. This review connects these constraints with robotic performance and identifies design principles for advancing adaptable, durable, and ...
Siyang Li, Zhikun Miao, Tuck‐Whye Wong, Tiefeng Li   +3 more
wiley   +1 more source

Enriched Soil Organic Carbon Underpins Long‐Term Stable Crop Productivity Across China's Croplands

Advanced Science, EarlyView.
Quantifying the nonlinear relationships and causal effects of soil organic carbon (SOC) on crop stability reveals specific critical thresholds and saturation points. This partitions the national SOC spectrum into three functional phases. Integrating these spatial delineations with high‐resolution maps of marginal gains pinpoints regions with the ...
Yuyang Huang, Yulin Shangguan, Zhongkui Luo, Peng Zhu, David Makowski, Zhenzhong Zeng, Qingxu Ma, Min Wei, Yuanyuan Du, Su Ye, Zhou Shi, Songchao Chen   +11 more
wiley   +1 more source

Feasibility Studies and Analysis to turn Raw Sand Dust into Construction Material with The Addition of Calcium Carbonate as a Melting Catalyst [PDF]

, 2014
This project is an experimental project which involves investigation in developing new construction material. Sand is the main ingredient in construction as well in glass making process.
Azan, Nur Syafiqah
core  

Human Engineered Heart Tissues Reproduce Trigger‐ and Substrate‐Driven Mechanisms of Ventricular Tachycardia

Advanced Science, EarlyView.
Engineered heart tissues (EHTs) derived from human iPSCs replicate mechanisms of ventricular tachycardia at the tissue level. Acquired Long‐QT conditions cause early afterdepolarizations, wavebreak, and transient rotors; in contrast, focal cryoinjury forms a stable substrate that supports ongoing reentry.
Matthew Fiedler, Alejandra Vasquez Limeta, Ernesto Reyes Sanchez, Leah Carter, Francisco Altamirano   +4 more
wiley   +1 more source

GEOCHEMICAL CLASSIFICATION AND CHARACTERIZATION OF THE BEACH SANDS OF ABU DHABI, UNITED ARAB EMIRATES: A COMBINATION OF CLUSTER AND DISCRIMINANT ANALYSIS

Вісник Київського національного університету імені Тараса Шевченка. Серія Геологія
Fifty seven beach sand samples were collected along the shoreline of Abu Dhabi, United Arab Emirates (UAE). The aim of the paper is to geochemically classify and characterize the beach sediments of Abu Dhabi.
Saeed Al Rashedi, Abdi Siad
doaj   +1 more source