Results 51 to 60 of about 2,739,977 (397)

Transforming Cellulose Into Functional Three‐Dimensional Structures

open access: yesAdvanced Functional Materials, EarlyView.
Cellulose is promising for replacing synthetic polymers due to its excellent mechanical properties and low cost. This review highlights the recent advancements in transforming cellulose into functional 3D structures, including liquid gels and porous materials.
Xia Sun   +5 more
wiley   +1 more source

Akytojo betono garso absorbcijos tyrimai/Porous concrete sound absorption investigation

open access: yesJournal of Civil Engineering and Management, 1996
Low-density porous concrete can be used as a sound absorbing material. This paper generalizes porous concrete sound absorption investigations. Porous concrete relative wave resistance modulus is longer than air wave resistance W=1 and that is why this
Antanas Laukaitis, Vytautas Lasauskas
doaj   +1 more source

Sound absorption properties of wood-based pulp fibre foams

open access: yesCellulose, 2021
In this study, sound absorbing materials were produced through foam forming technique using hardwood and softwood pulps with varying chemical composition, ultrastructural, and morphological properties as raw materials.
Jose Cucharero   +4 more
semanticscholar   +1 more source

Physical and acoustic properties of petroleum and renewable based polyurethane foam filled with shorea leprosula [PDF]

open access: yes, 2018
Physical and acoustic properties of petroleum-based polyurethane (PU) and renewable based polyurethane (RPU) foam composites filled with Shorea Leprosula (Red Meranti) fiber filler has been investigated.
Mohd Azahari, Muhammad Shafiq
core   +1 more source

Transducer Materials Mediated Deep Brain Stimulation in Neurological Disorders

open access: yesAdvanced Functional Materials, EarlyView.
This review discusses advanced transducer materials for improving deep brain stimulation (DBS) in neurological disorders. These materials respond to light, ultrasound, or magnetic fields, enabling precise, less invasive neuromodulation. Their stimulus‐responsive properties enhance neural control and adaptive therapy, paving the way for next‐generation ...
Di Zhao   +5 more
wiley   +1 more source

Conformally Perforated Shellular Metamaterials with Tunable Thermomechanical and Acoustic Properties

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces Conformally Perforated Shellular Metamaterials (CPSMs), which overcome TPMS design limitations by mapping 2D cellular layouts onto 3D surfaces. CPSMs exhibit enhanced elastic stiffness, thermal conductivity, and acoustic performance compared to intact P‐type shellulars, demonstrating their potential as multifunctional ...
Benyamin Shahryari   +8 more
wiley   +1 more source

Penentuan Nilai Penyerapan Suara Pada Panel Dinding Beton Busa Sebagai Panel Alternatif Yang Ramah Lingkungan

open access: yesJurnal Rekayasa Kimia & Lingkungan, 2011
Panel of foam concrete wall is a type of membrane panel which has maximum sound absorption and can create quite and environmentally friendly room. The purpose of this study was to determine the magnitudeof the sound absorption value using the Sabine ...
Zulfian Zulfian   +2 more
doaj   +2 more sources

Analogy electromagnetism-acoustics: Validation and application to local impedance active control for sound absorption

open access: yes, 1998
An analogy between electromagnetism and acoustics is presented in 2D. The propagation of sound in presence of absorbing material is modeled using an open boundary microwave package.
Furstoss, M.   +2 more
core   +2 more sources

Metal Nanoclusters for Cancer Imaging and Treatment

open access: yesAdvanced Functional Materials, EarlyView.
This review aims to provide a comprehensive summary and discussion of the core–shell design capabilities of metal nanoclusters (NCs) at the atomic level for cancer imaging and treatment. It offers essential insights into the design principles of metal NCs while also encouraging the exploration of other nanomaterials and their potential theranostic ...
Haiguang Zhu   +5 more
wiley   +1 more source

Characteristics and calculation method of sound radiation of cylindrical shell with porous sound-absorbing material under acoustic excitation

open access: yesZhongguo Jianchuan Yanjiu, 2023
ObjectiveThis paper aims to study the characteristics and calculation method of the vibration and sound radiation of single ring-stiffened cylindrical shells with porous fiber composite materials installed in the inner wall under acoustic excitation ...
Xinmei YANG   +3 more
doaj   +1 more source

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