Results 21 to 30 of about 21,244 (276)

A Review: Progress in Molecular Dynamics Simulation of Portland Cement (Geopolymer)—Based Composites and the Interface between These Matrices and Reinforced Material

Buildings, 2023
Molecular dynamics (MD) is an important method for studying the molecular and atomic scale of cement (geopolymer)-based composites which provides an effective method for the optimal design of cementitious materials.
Li Li, Yujie Wei, Qi Feng, Fang Liu, Bin Liu, Beichen Pu   +5 more
doaj   +1 more source

Comparative evaluation of shear bond strength and microleakage of tricalcium silicate-based restorative material and radioopaque posterior glass ionomer restorative cement in primary and permanent teeth: An in vitro study

Journal of Indian Society of Pedodontics and Preventive Dentistry, 2014
Background: Restoration of carious primary molars is still a major concern while treating the young children that too in deep carious lesion which extends below the cemento-enamel junction (CEJ) where pulp protection and achieving adequate marginal seal ...
Vignesh Guptha Raju, Nilaya Reddy Venumbaka, Jayanthi Mungara, Poornima Vijayakumar, Sakthivel Rajendran, Arun Elangovan   +5 more
doaj   +1 more source

Cement-rock interaction : infiltration of a high-pH solution into a fractured granite core [PDF]

, 2010
Within the framework of the HPF project (Hyperalkaline Plume in Fractured Rock) at the Grimsel Test Site (Switzerland), a small scale core infiltration experiment was performed at the University of Bern.
Mäder, Urs K., Soler, Josep M., MÄDER, U.K., SOLER, J.M.   +3 more
core   +2 more sources

Preparation and Properties of Double Liquid Grouting Materials (DLGMs) Used for the Regenerated Roof of a Coal Mine

Buildings, 2023
Double liquid grouting materials (DLGMs) are composed of slurry A and slurry B. In response to the need for sustainable development, there is currently a focus on improving the utilization rate of resources. In this paper, industrial solid waste fly ash,
Aiguo Wang, Zheng Li, Peng Liu, Kaiwei Liu, Guofeng Yu, Qun Zheng, Yunchun Han, Haiyan Xu, Daosheng Sun   +8 more
doaj   +1 more source

Mineral composition (mass percentage) and fineness of ordinary silicate cement. [PDF]

, 2023
Mineral composition (mass percentage) and fineness of ordinary silicate cement.
Guangdong Huang (17508948), Ruige Chen (17508951), Li Zhou (54356)   +2 more
core   +1 more source

Experimental study of water-soluble vegetable gum-modified cement-sodium silicate plugging materials

Yantu gongcheng xuebao, 2020
Karst areas are well developed in Southwest China, and karst hydrodynamic disasters have a great impact on underground engineering construction. In order to solve the problems of low slurry retention rate of cement-sodium silicate plugging materials, the
LI Zhao-feng , GAO Yi-fan , ZHANG Jian , QI Yan-hai , WANG Yan-sheng , LIU Chao
doaj   +1 more source

Direct pulp capping of primary molars using a novel fast-setting calcium silicate cement: a randomized clinical trial with 12-month follow-up

Biomaterial Investigations in Dentistry, 2019
Objective: Novel fast-setting calcium silicate cement with fluoride (Protooth) has been developed for potential applications in tooth crowns. The aim of this study was to evaluate the success rate of direct pulp capping in primary molars using two-layer ...
Ali Vafaei, Niloofar Azima, Leila Erfanparast, Henrik Løvschall, Bahram Ranjkesh   +4 more
doaj   +1 more source

Study of alkaline hydrothermal activation of belite cements by thermal analysis [PDF]

, 2010
The effect of alkaline hydrothermal activation of class-C fly ash belite cement was studied using thermal analysis (TG/DTG) by determining the increase in the combined water during a period of hydration of 180 days.
Guerrero Bustos, Ana María, Goñi Elizalde, Sara, Guerrero Bustos, Ana   +2 more
core   +2 more sources

Study on the effect of alkali activated slag cement solidification on dredging sediment [PDF]

E3S Web of Conferences
The massive dredging of silt and soft soil has caused serious environmental problems. Carrying out the resource utilization of silt can turn waste into treasure, improve the utilization rate of solid waste, and achieve the goal of energy conservation ...
Xu Yanping, Li An, Fan Zhihong
doaj   +1 more source

Molecular dynamics study on axial mechanical properties of calcium silicate hydrate

Materials Research Express, 2020
The axial mechanical properties of calcium silicate hydrate during uniaxial tension or stress have been investigated by molecular dynamic simulations.
Jianzhang Huang, Yue Fan, Xiaowei Ouyang, Qiang Han   +3 more
doaj   +1 more source