Results 91 to 100 of about 88,365 (292)

Silicified Wood‐Inspired, High‐Strength Fire‐Resistant Chitin‐Based Aerogels for Sustainable High‐Temperature Thermal Insulation

Advanced Functional Materials, EarlyView.
Inspired by natural silicified wood, a biomimetic mineralized chitin‐derived aerogel is constructed. It can withstand 81 000 times its own weight, and its backside temperature is 130.4°C after exposure to ∼1300°C butane flame for 600 s, exhibiting high‐strength, fire‐resistance, and super thermal‐insulation properties.
Kai Xu, Qihang Lv, Lubin Liu, Zhezhe Zhou, Chentao Yan, Ao Qin, Jianting Ma, Shuhui Liang, Yue Xu, Min Hong, Bin Li, Pingan Song   +11 more
wiley   +1 more source

Vibration Control of a High-Speed Precision Servo Numerically Controlled Punching Press: Multidomain Simulation and Experiments

Shock and Vibration, 2017
A three-degree-of-freedom mathematical vibration model of a high-speed punching press was developed in order to explore the vibration modes of the punching press.
Teng Xu, Qinxiang Xia, Xiaobin Long, Gianluca Buffa   +3 more
doaj   +1 more source

Formation of Quasi‐Decoupling Interface on Li‐Metal Anodes in High Donor Electrolyte

Advanced Functional Materials, EarlyView.
Li‐metal anode (LMA) is stabilized by introducing Li2Te2 as an electrolyte additive for Li‐metal batteries. Upon contact with Li, Li2Te2 spontaneously converts to Li2Te, which electronically isolates Li from dimethyl sulfoxide due to its large bandgap and minimal Bader charge transfer.
Hyerim Kim, Sunggun Lim, Shivam Kansara, Jimin Park, Hyoju Lee, Hyokyeong Kang, Soohyung Park, Chihyun Hwang, Hansu Kim, Jang‐Yeon Hwang   +9 more
wiley   +1 more source

Study and Optimization of the Punching Process of Steel Using the Johnson–Cook Damage Model

Metals
Sheet metal forming processes are widely used in applications such as those in the automotive or aerospace industries. Among them, punching is of great interest due to its high productivity and low operating cost.
Adrián Claver, Andrea Hernández Acosta, Eneko Barba, Juan P. Fuertes, Alexia Torres, José A. García, Rodrigo Luri, Daniel Salcedo   +7 more
doaj   +1 more source

Residual‐Lithium‐to‐LiF Conversion Enables a LiF–Fluorinated Carbon Interphase for Reconstruction‐Resistant Ni‐Rich Cathodes

Advanced Functional Materials, EarlyView.
A fluorine‐rich acrylate monomer (PFHEA) was solvent‐free applied to NCM90 and thermally decomposed under Ar to convert residual lithium into LiF and form a pre‐built LiF/fluorinated amorphous carbon (LiF/FC) interphase. The LiF/FC layer suppresses NiO rock‐salt reconstruction and microcrack propagation, lowers interfacial resistance, and improves Li ...
Pangyu Kim, Juyeon Han, Junhyeok Kim, Younghoon Kim, Eunha Seo, Dain Kim, Jeeyoung Yoo   +6 more
wiley   +1 more source

Tracking Chart 2009 A T Cross, China [PDF]

, 2009
This document is part of a digital collection provided by the Martin P. Catherwood Library, ILR School, Cornell University, pertaining to the effects of globalization on the workplace worldwide.
Fair Labor Association
core   +1 more source

A Novel Decellularized Fibrocartilage Graft Promotes Tympanic Membrane Repair

Advanced Healthcare Materials, EarlyView.
An off‐the‐shelf decellularized porcine meniscus fibrocartilage graft (MEND) is engineered for pediatric tympanoplasty. Featuring a microchannel architecture that promotes host cell invasion, MEND rapidly closes tympanic membrane perforations and fully remodels in vivo, outperforming fascia and matching cartilage grafts while avoiding donor‐site ...
Paul M. Gehret, Ryan M. Friedman, Gautham Nair, Stephanie L. Fung, Dana D. Ragbirsingh, John Germiller, Riccardo Gottardi   +6 more
wiley   +1 more source

Influence of Hydraulic Domain on Vibration Control and Overload Prediction of High-Speed Punching Press: Multidomain Modelling and Experiment

Shock and Vibration, 2019
By the multidomain modelling method, the vibration of a high-speed punching press was modelled and simulated, and the influence of the hydraulic system on the vibration of the punching press and the protection efficiency of the punching press under the ...
Teng Xu, Qinxiang Xia, Xiaoyu Wu, Jiaqi Ran, Feng Gong, Chunying Lee   +5 more
doaj   +1 more source

Targeting Post‐Irradiation Thyroid Dysfunction: Electrospun Scaffolds As A Dual‐Action Approach for Antioxidant and Immune Modulation

Advanced Healthcare Materials, EarlyView.
Radiation‐induced hypothyroidism follows head and neck radiotherapy due to oxidative stress and inflammation. Electrospun polycaprolactone scaffolds containing adenosine have potential to modulate thyroid repair. Scaffolds enhance thyrocyte proliferation, antioxidant enzymes glutathione peroxidase and catalase, reduce senescence and apoptosis markers ...
Maria Heim, Ella‐Louise Handley, Daniel Grant, Lizi M. Hegarty, Elaine Emmerson, Anthony Callanan   +5 more
wiley   +1 more source

Slab thickness-shear reinforcement interaction on shear strength of interior slab-column connections

Journal of Engineering and Applied Science
The effects of slab thickness and punching shear reinforcement ratio on the individual contributions of concrete and reinforcement on punching shear strength of interior slab-column connections are theoretically investigated.
Osman M. Ramadan, Rasha T. S. Mabrouk, Gehad S. Younis   +2 more
doaj   +1 more source