Zobrazeno 1 - 10
of 2 807
pro vyhledávání: '"Energy barrier"'
Autor:
Sergey Vyazovkin
Publikováno v:
Thermo, Vol 4, Iss 3, Pp 373-381 (2024)
Thermogravimetry (TGA) and differential scanning calorimetry (DSC) are used broadly to study the kinetics of thermally stimulated processes such as thermal decomposition (pyrolysis) or thermal polymerization. These studies typically yield the activat
Externí odkaz:
https://doaj.org/article/35a8ff17f2fb4cc28c49b4c8ff5fb741
Autor:
V. I. Putlyaev, M. N. Berlinova
Publikováno v:
Железобетонные конструкции, Vol 6, Iss 2, Pp 12-21 (2024)
An approach to estimating the long-term strength of concrete in building structures in the calculation of reinforced concrete structures of buildings and structures of various types is proposed. The process of increasing the initial modulus of concre
Externí odkaz:
https://doaj.org/article/0432b0b0f27a43229c11bdf5dc8d9f46
Autor:
Qingkai Guo, Yu Sun, Tianxiang Zhang, Shiyu Xie, Xuefeng Chen, Zhuang Zhang, Hanqing Jiang, Laihao Yang
Publikováno v:
Advanced Science, Vol 11, Iss 34, Pp n/a-n/a (2024)
Abstract Drawing inspiration from the jumping mechanisms of insects (e.g., click beetles), bistable structures can convert slow deformations of soft actuating material into fast jumping motions (i.e., power amplification). However, bistable jumpers o
Externí odkaz:
https://doaj.org/article/13d86c261b634661b4cbe3f974ab3937
Autor:
Pengpeng Yang, Qian Wu, Haodong Liu, Shuyang Zhou, Wensu Chen, Huamei Zhong, Keke Zhang, Fengxia Zou, Hanjie Ying
Publikováno v:
Ultrasonics Sonochemistry, Vol 108, Iss , Pp 106953- (2024)
Liquid–liquid separation, commonly referred to as oiling-out, frequently can occurs during crystallization, especially the anti-solvent crystallization process of phosphoryl compounds, and poses potential hurdle for high-quality product. Efficientl
Externí odkaz:
https://doaj.org/article/8027a5359d764986a85f139f10180415
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 23, Iss 6, Pp 1198-1204 (2023)
The results of modeling deformation processes of uniaxially oriented polymer materials are presented. The discription of two-barrier model is given, according to which polymer macromolecules can be in three stable states. The constitutive equation
Externí odkaz:
https://doaj.org/article/0d452ceb0892490685ab96bc082f0461
Publikováno v:
Advanced Science, Vol 11, Iss 17, Pp n/a-n/a (2024)
Abstract High‐performance and air‐stable single‐molecule magnets (SMMs) can offer great convenience for the fabrication of information storage devices. However, the controversial requisition of high stability and magnetic axiality is hard to ba
Externí odkaz:
https://doaj.org/article/c26516c68584424d962ddad22756eb09
Publikováno v:
Journal of Advanced Dielectrics, Vol 14, Iss 02 (2024)
Ferroelectric materials possessing exceptional piezoelectric attributes have garnered widespread utilization in various applications. Solid solution systems improve piezoelectric properties through multiphase mixing, but the methodologies for effecti
Externí odkaz:
https://doaj.org/article/d6aa35b6a5144b2ca84c963c1aba6cb5
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 363-371 (2023)
Using a combination of experiments and first-principles calculations, we systematically investigated the influence of Mn and Si on the ferrite decarburization process in spring steel. The experimental findings demonstrated that the presence of Mn inh
Externí odkaz:
https://doaj.org/article/91ac430eacfe4cda88bedc8bd4289ccb
Autor:
Weilong Zheng, Liangliang Wu, Qilin Shuai, Zhaoqiang Li, Haoqi Wang, Wei Fu, Zhenxiong Jiang, Chuang Zhao, Qingsong Hua
Publikováno v:
Nanomaterials, Vol 14, Iss 17, p 1391 (2024)
To investigate hydrogen behaviors in the high-entropy alloy AlCrTiNiV, density functional theory and transition state theory were used to explore the molecular H2 absorption and dissociation and the atomic H adsorption, diffusion, and penetration pro
Externí odkaz:
https://doaj.org/article/4a3482746e374aa5a1f4bb3a9aa30876
Publikováno v:
C, Vol 10, Iss 3, p 59 (2024)
Using the potential function method, a theoretical model of the interaction was presented, and the interaction force between atoms/ions and (doped) graphene was obtained. Based on the interaction force, the dynamical control equation of atom/ion migr
Externí odkaz:
https://doaj.org/article/fd5086e8328a473d9a8111402bb6694b