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  1. 41
  2. 42

    Cracking patterns of brittle hemispherical domes: an experimental study by Siwen Cao, Andr�s A. Sipos

    Published 2022-01-01
    “…We find that the size distribution of the fragments exhibits a lognormal distribution. The evolution is reflected in the load-displacement diagrams recorded in the test, too, as significant drops in the force are accompanied by an emergence of one or more new cracks, reflecting the brittle nature of the phenomenon. …”
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    Article
  3. 43

    Reasons for the treatment of users of crack in a therapeutic community by Maycon Rogério Seleghim, William Campo Meschial, Beatriz Ferreira Martins, Cinthia Lopes Barboza, Sueli Aparecida Frari Galera, Magda Lúcia Félix de Oliveira

    Published 2015-07-01
    “…Results: Were found three categories that reflect the treatment motivations: perception of the crack harmful consequences; the compulsive use of drugs as the treatment initiation; and, the family participation looking for a treatment. …”
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    Article
  4. 44

    Motivations for the treatment of crack users in a therapeutic community by Maycon Rogério Seleghim, William Campo Meschial, Beatriz Ferreira Martins, Cinthia Lopes Barboza, Sueli Aparecida Frari Galera, Magda Lúcia Félix de Oliveira

    Published 2015-07-01
    “…Results: Were found three categories that reflect the treatment motivations: perception of the crack harmful consequences; the compulsive use of drugs as the treatment initiation; and, the family participation looking for a treatment. …”
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    Article
  5. 45

    Motivations for the treatment of crack users in a therapeutic community by Maycon Rogério Seleghim, William Campo Meschial, Beatriz Ferreira Martins, Cinthia Lopes Barboza, Sueli Aparecida Frari Galera, Magda Lúcia Félix de Oliveira

    Published 2015-07-01
    “…Results: Were found three categories that reflect the treatment motivations: perception of the crack harmful consequences; the compulsive use of drugs as the treatment initiation; and, the family participation looking for a treatment. …”
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    Article
  6. 46

    Motivations for the treatment of crack users in a therapeutic community by Maycon Rogério Seleghim, William Campo Meschial, Beatriz Ferreira Martins, Cinthia Lopes Barboza, Sueli Aparecida Frari Galera, Magda Lúcia Félix de Oliveira

    Published 2015-07-01
    “…Results: Were found three categories that reflect the treatment motivations: perception of the crack harmful consequences; the compulsive use of drugs as the treatment initiation; and, the family participation looking for a treatment. …”
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    Article
  7. 47

    CRACK GROWTH SIMULATION BASED ON ABAQUS SECONDARY EVELOPMENT by ZHANG WenDong, FAN JunLing, CHEN Li, LV YuanBo

    Published 2018-01-01
    “…The results showed that the method in this paper not only took advantage of ABAQUS software to simulate complex loading and boundary, but also reflected program package’s superiority on crack analysis. …”
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    Article
  8. 48

    Water Transport in Unsaturated Cracked Concrete under Pressure by Yuanzhu Zhang, Siming Zhang, Gang Wei, Xinjiang Wei, Liqiao Jin, Kuixin Xu

    Published 2019-01-01
    “…It reflects that both pressure potential and matric potential are the driving force of water transport in underwater cracked concrete, and the driving force will be converted with the change of concrete saturation. …”
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    Article
  9. 49

    Cracking of silty mudstone subjected to wetting-drying cycles by Xiaowei Yu, Hongyuan Fu, Ling Zeng, Guijin Zhang, Hongri Zhang, Jie Liu

    Published 2025-07-01
    “…Cracking affected by wetting-drying cycles is a major cause of shallow failure of soft rock slopes. …”
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    Article
  10. 50

    Tunnel Crack Segmentation Algorithm Based on Feature Enhancement by Lihua Feng, Aijun Yao, An Huang

    Published 2025-01-01
    “…To address these challenges, this paper proposes a tunnel crack detection method. Firstly, a novel Dynamic Feature Enhancement Network (DFEN) module is designed to extract preliminary features using a feature extractor and selectively enhance feature representations through a gating mechanism. …”
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    Article
  11. 51

    Research Progress and Commercial Applications of Fluid Catalytic Cracking (FCC) Technology by Ruiqi QIAO, Jianhong GONG, Xiaoli WEI, Dongxue CAO

    Published 2025-04-01
    “…As the core of heavy oil upgrading, fluid catalytic cracking(FCC) units have long been the main pillar of economic benefits for petrochemical enterprises in China.This paper reviews the development history of domestic FCC technology and summarizes the current status of FCC technology from three perspectives based on target products:Oil production technology,light olefin maximization technology,and product structure adjustment technology.It emphasizes summarizing the design concepts,main characteristics and commercial application of different FCC technologies,with a particular focus on comparing the differences in reactor types and catalyst.Additionally,research efforts aimed at improving oil quality to meet market demands,enhancing the yields of low⁃carbon olefins,BTX(benzene,toluene,xylene),and other basic chemical raw materials,as well as optimizing their selectivities,are discussed,providing viable technical solutions for high⁃quality enterprise development.Future research priorities for FCC technology include feedstock heavy and diversified processing,product quality improvement,flexible product structure adjustment,and cleaner production processes.…”
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  12. 52

    Dynamic Modulus and Field Performance of Cold-in-Place Recycled Asphalt Pavement by Islam M. R., Kalevela S. A., Rivera J. A., Rashid T. B.

    Published 2019-09-01
    “…Sites from ten projects were selected to monitor the performances and collect samples for laboratory testing. …”
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  13. 53

    Analysis of accuracy of Williams series approximation of stress field in cracked body – influence of area of interest around crack-tip on multi-parameter regression performance by J. Sobek, P. Frantík, V. Veselý

    Published 2016-12-01
    “…Two different ways of FE nodal selection are compared – nodes selected from the crack tip vicinity lying at a ring of a certain radius versus nodes selected more or less uniformly from a specified part of the test specimen body. …”
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    Article
  14. 54

    Crack Width Analysis of Reinforced Concrete Using FBG Sensor by Lili Wang, Jun Song, Yaozhang Sai, Honggang Wang

    Published 2019-01-01
    “…The three-axial stresses of the FBG were extracted also from the same finite element computation, and then, were converted as a wavelength deformation of the FBG reflected spectrum. The three-dimension computation result of crack width versus the FBG spectrum deformation was investigated using laboratory experiments. …”
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  15. 55

    Multi-objective Genetic Optimization of Ethane Thermal Cracking Reactor

    Published 2008-07-01
    “…An industrial ethane thermal cracking reactor was modeled assuming a molecular mechanism for the reaction kinetics coupled with material, energy, and momentum balances of the reactant-product flow along the reactor. …”
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  16. 56

    Experience in modeling inclined cracks in materials with cubic crystal structure by Karina A. Mushankova, Larisa V. Stepanova

    Published 2023-12-01
    “…In the vicinity of the crack tip, points lying in annular regions at different distances from the crack tip and of different thickness were selected, and the dependences of the stress tensor components depending on the polar angle were plotted. …”
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  17. 57
  18. 58

    Numerical Investigation on Crack Formation and Penetration Mechanism between Adjacent Blastholes by Yi Li, Jie Cao, Xianfeng Chen, Chuyuan Huang, Qi Zhao

    Published 2020-01-01
    “…Stress wave superposition was not the main reason for crack penetration. Stress wave reflection stretching at the crack tip was vital for crack penetration.…”
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    Article
  19. 59

    Methods and Criteria for Evaluation of Asphalt Mixture Resistance to Low Temperature Cracking by Judita Gražulytė, Audrius Vaitkus, Vitalijus Andrejevas, Gediminas Gribulis

    Published 2017-06-01
    “…These activities significantly increase road maintenance cost. Selection of the appropriate asphalt mixture by its performance at low temperatures reduces or even prevents low temperature cracking of asphalt pavements. …”
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    Article
  20. 60

    About measuring the stress intensity factor of cracks in curved, brittle shells by Siwen Cao, Andr�s A. Sipos

    Published 2024-07-01
    “…For different geometries, the ratio of the data selection radius and the length of the crack should exceed 0.3.…”
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    Article