Results 61 to 70 of about 3,685 (135)

1,1‐and 1,2‐Diborylalkenes: Preparation and Synthetic Applications

Advanced Synthesis &Catalysis, Volume 368, Issue 12, 17 June 2026.
In this review, we highlight recent advances in the synthesis and reactivity of 1,1‐diborylalkenes and 1,2‐diborylalkenes, along with various transformations leading to C‐C, C‐heteroatom, and multicomponent products. By providing a comprehensive and practical resource, this review aims to assist researchers in exploring the synthetic utility of 1,1 and
Jayaram Vankudoth, Maruti Mali, Fabienne Berrée   +2 more
wiley   +1 more source

Creep constitutive modeling of the shear strength of the permafrost-concrete interface considering the stress level at -1°C.

PLoS ONE
The shear creep characteristics of the contact surface between the permafrost and the structure play an important role in the study of the law of deformation and the measures for the prevention and control of pile foundations. In order to study the creep
Fei He, Wanyu Lei, Erqing Mao, Qingquan Liu, Hangjie Chen, Xu Wang   +5 more
doaj   +1 more source

Fractional-Order Stress Relaxation Model for Unsaturated Reticulated Red Clay Slope Instability

Fractal and Fractional
Triaxial suction-controlled relaxation tests were performed on unsaturated reticulated red clay from a highway cut slope to quantify the coupled influence of matric suction (50–200 kPa), net confining pressure (100–300 kPa), and axial strain (2–8%) on ...
Chuang Zhang, Jianzhong Li
doaj   +1 more source

Issue Information

Cancer Science, Volume 117, Issue 8, Page 2023-2026, August 2026.
wiley   +2 more sources

Fractional Derivative Creep Model of Salt Rock

工程科学与技术, 2014
:The creep property of the salt rock is an important determinant of deep underground repository of energy for long-term operation.New fractional derivative creep model was built by using the Abel dashpot and Abel dashpot with strain triggered based on ...
吴斐, 刘建锋, 边宇, 周志威
doaj  

Fractional Order Analysis of Creep Characteristics of Sandstone with Multiscale Damage

Mathematics
Deep mining is often accompanied by complex geological conditions, which can cause damage to the coal seam roof surrounding rock, thereby reducing its safety and stability.
Shuai Yang, Wentao Zhou, Senlin Xie, Bo Lei, Hongchen Song   +4 more
doaj   +1 more source

Creep damage constitutive model of rock based on the mechanisms of crack-initiated damage and extended damage

Underground Space
Since the classical element model cannot describe the nonlinear characteristics of rock during the entire compressive creep process, nonlinear elements and creep damage are generally introduced in the model to resolve this issue.
Tianbin Li, Chao Chen, Feng Peng, Chunchi Ma, Mou Li, Yixiang Wang   +5 more
doaj   +1 more source

Viscoelastic plastic creep constitutive model based on energy conservation law and strain energy theory

Scientific Reports
On the basis of the law of conservation of energy, the three stages of rock creep are analyzed. The reasons for the difficulty in studying the accelerated creep stage of rocks using the traditional creep model are expounded.
Di Zhou, Xiangjin Tian, Shuguang Zhang, Wang Zeng, Minye Zhang, Yanchao Feng, Wenbo Liu, Xiang Huang, Mingzhuo Fan, Ye Sun   +9 more
doaj   +1 more source

Study on the fractional creep model of roadway filling paste under the coupling effect of pore water pressure and stress

Heliyon
Filling paste in deep roadways is significantly affected by groundwater, especially high pore water pressure, which increases the complexity and variability of the filling paste's mechanical properties.
Hongmiao Lv
doaj   +1 more source

Research on the Nonlinear Creep Damage Constitutive Model of Rocks Based on Fractional Calculus and Its Parameter Identification

Advances in Civil Engineering
Accurately describing the characteristics of each stage of rock creep behavior is of great significance for the study of rock mechanics and rock engineering.
Erjian Wei, Yuexian Pang, Xiaobing Ma
doaj   +1 more source