Results 71 to 80 of about 296,199 (268)

A STUDY ON THE CHARACTERIZATION OF SILICA FUME AND THE EVALUATION OF PROPERTIES OF CONCRETE CONTAINING SILICA FUME

Doboku Gakkai Ronbunshu, 1995
コンクリートにシリカフュームを用いることにより, コンクリートの高強度化などの効果が期待されている. しかしながら, シリカフュームそのものの品質特性や, コンクリートの諸特性に影響を及ぼすシリカフュームの品質についても未だに不明確であり, シリカフュームに関する規格, 基準も整備されていないのが現状である. このような背景から, 本研究ではまず, 我が国で入手可能な13銘柄のシリカフュームを対象とし, その品質特性を明らかにし, 次にコンクリートの諸特性に影響を及ぼすシリカフュームの品質指標を明らかにすることを試み, これを通じてシリカフュームの品質とその評価に関する提案を行ったものである.
Shigeyoshi Nagataki, Nobuaki Otsuki, Makoto Hisada, Kazuhiko Mizuno   +3 more
openaire   +2 more sources

Silica‐Supported Mononuclear Methyl‐Platinum Complexes Stabilized by Trimethylphosphine—Synthesis, Structure, and Reactions Under Reducing Conditions

Chemistry – A European Journal, EarlyView.
The article describes the synthesis and molecular transformations of a silica‐supported bis(phosphine)methylplatinum(II) complex under reactive (H2, CO) and inert gas atmospheres. The focus lies on the stabilizing effect of the sterically non‐demanding trimethylphosphine ligand, which alters the reactivity of the surface sites, compared to other ...
Lea S. Kopietz, Sven Schaefer, Oksana Storcheva, Gabriele Raudaschl‐Sieber, Johannes Bitzer, Wolfgang Kleist, Klaus Köhler   +6 more
wiley   +1 more source

Non‐Invasive Estimation of Systemic Drug Exposure Using Exhaled Breath Metabolomics in Humans: A Translational Proof‐of‐Concept Study

Clinical Pharmacology &Therapeutics, EarlyView.
Accurate assessment of systemic drug exposure in humans remains challenging, as conventional approaches rely on intermittent blood sampling and laboratory‐based assays that are invasive and provide limited temporal resolution. Exhaled breath contains volatile and semi‐volatile compounds arising from drug metabolism and downstream biological processes ...
Kai Fricke, Diego M. Baur, Kapil Dev Singh, Felix Schmidt, Kathrin Müsch, Noriane A. Sievi, Marco Di Donato, Anton Schmick, Jonas Herth, Silvia Ulrich, Pablo Sinues, Marian Galovic, Malcolm Kohler   +12 more
wiley   +1 more source

Circular and Bio‐Sourced Polymers for Energy Applications: Natural Feedstocks, Recycling, and Upcycling Routes

EcoEnergy, EarlyView.
This review provides a critical comparative analysis of circular and bio‐sourced polymers for energy storage, systematically evaluating natural feedstocks alongside recycling and upcycling strategies for battery components. Key structure–property–performance relationships and inherent trade‐offs between sustainability metrics and electrochemical ...
Priyank Sinha, Amul Jain, Koushik Mahata, Sanjib Banerjee   +3 more
wiley   +1 more source

One‐Step Synthesis of Si–Graphene Heterostructures via in‐Flight Gas‐Phase Mixing for High‐Capacity Silicon‐Rich Anodes

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A one‐step gas‐phase synthesis directly assembles amorphous Si nanoparticles with few‐layer graphene heterostructures via in‐flight mixing. Compositions with only 15 wt.% FLG deliver ~2800 mAh g−1 (Si + FLG) at 0.05 C and retain ~1400 mAh g−1 after 100 cycles at a high cycling rate of 1 C, enabled by a percolated, strain‐buffering graphene network that
Muhammad Ali, Mukarram Ali, Yasaman Jarrahizadeh, Axel Lorke, Michael A. Pope, Hartmut Wiggers   +5 more
wiley   +1 more source

Synergistic effects of silica fume, nanomaterials and inorganic salts on the hydration and compressive strength of low-density oil well cement slurry

Cement
During offshore cementing at shallow depth, the low-temperature environment at the bottom of the sea and the low-density requirement of the cement slurry significantly hinder the strength development of oil well cement systems.
Kenedy Geofrey Fikeni, Xueyu Pang, Yukun Zhao, Shenglai Guo, Jie Ren, Kaihe Lv, Jinsheng Sun   +6 more
doaj   +1 more source

Hydration reactions in cement containing condensed silica fume

, 1987
This paper assesses the influence of silica fume on the hydration characteristics of tricalcium silicate (a major component of cement) and cement.Ce document décrit l'influence de la silice fine sur l'hydratation du silicate tricalcique (un important ...
Ramachandran, V. S.
core   +1 more source

Closing the Loop in Agrivoltaics: A Radiative Cooling Coating for Synergistic Self‐Cleaning and Water Harvesting

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A nanostructured photonic‐thermal coating enables radiative‐cooling‐induced condensation and water harvesting, establishing a self‐sustaining agrivoltaics microclimate loop that transforms PV panels into active climate regulators. The integration of photovoltaic (PV) panels into agricultural landscapes (i.e., agrivoltaics) offers a promising path for ...
Saichao Dang, Abdul Rahim Siddiqui, Murali Gedda, Yuxuan Huang, Shakeel Ahmad, Jehad K. El‐Demellawi, Dan Daniel, Osman M. Bakr, Stefaan De Wolf, Hussam Qasem, Husam N. Alshareef, Qiaoqiang Gan   +11 more
wiley   +1 more source

Effect of Ammonium Polyphosphate/Silicate Content on the Postfire Mechanics of Epoxy Glass‐Fiber Composites Using Facile Chocolate Bar‐Inspired Structures

Fire and Materials, Volume 49, Issue 3, Page 329-346, April 2025.
ABSTRACT This study investigates the postfire mechanical properties of epoxy glass‐fiber reinforced composites (EP GFRCs) using increasing concentrations of ammonium polyphosphate (APP) and inorganic silicate (InSi) to modify the char and fire residue.
Sruthi Sunder, Maria Jauregui Rozo, Sneha Inasu, Dietmar Meinel, Bernhard Schartel, Holger Ruckdäschel   +5 more
wiley   +1 more source

Beyond Thermal Comfort: A Comprehensive Review of Multifunctional Personal Thermal Management Wearables

FlexTech, EarlyView.
Regulation strategies, material platforms, and application scenarios of personal thermal management wearables. ABSTRACT Personal thermal management (PTM) has emerged as a vital frontier for protecting individual health, mitigating societal energy burdens, and combating global climate change.
Zhihan Zhang, Haiwen Luan
wiley   +1 more source