Results 41 to 50 of about 342,710 (285)

Advancements in CO2 Capture Technologies: A Review of Amine Absorption and Alternative Methods for Post‐Combustion Integration

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Carbon capture technologies are poised to become one of the primary focuses regarding the achievement of net‐zero emissions by the year 2050. In these technologies, particular attention is given to post‐combustion CO2 capture, which is more easily implemented at existing power stations and other industries.
Satyajit Mukherjee, Ashish Kumar, Mayurkumar P. Patil, Rohit B. Meshram   +3 more
wiley   +1 more source

Bentonite hydration effects on the engineering properties of a cement - sodium silicate slurry

Case Studies in Construction Materials
Because of the advantages of good fluidity, short gelation time and high compressive strength, cement - sodium silicate slurry is widely used in shield engineering.
Shengwei Wang, Yangjian Li, Bangbang Lu
doaj   +1 more source

Characteristics and propierties of oil-well cements additioned with blast furnace slag

Materiales de Construccion, 2011
The present paper addresses the alkali activation of Portland cements containing blast furnace slag (20 and 30% of the cement by weight) with a view to the possible use of these materials in oil well construction.
R. Sánchez, M. Palacios, F. Puertas
doaj   +1 more source

Neurovascular coupling in bone regeneration: Mechanisms, advanced biomaterials and challenges

BMEMat, EarlyView.
This figure illustrates various material strategies for neurovascularized bone regeneration, including electroactive scaffolds, ion‐loaded materials, drug delivery systems, surface modifications, cells/cell products, growth factors, and peptides. These approaches aim to synergistically promote the regeneration of neural, vascular, and bone tissues ...
Yixin Ma, Nan Jiang, Liyuan Chen, He Zhang, Xinjia Cai, Karan Gulati, Danqing He, Zhigang Cai, Yan Liu   +8 more
wiley   +1 more source

Controlled growth and ordering of poorly-crystalline calcium-silicate-hydrate nanosheets

Communications Materials, 2021
Calcium-silicate-hydrate is the main component of cement, and controlling its structure is vital to its properties. Here, graphene oxide is used to constrain the growth and optimize the assembly of calcium-silicate-hydrate, substantially improving its ...
Felipe Basquiroto de Souza, Ezzatollah Shamsaei, Shujian Chen, Kwesi Sagoe-Crentsil, Wenhui Duan   +4 more
doaj   +1 more source

Radiopacity evaluation of calcium silicate cements

BMC Oral Health, 2023
Abstract Background The aim of this study was to compare the radiopacity of calcium silicate cements using a digital imaging method. Methods Four calcium silicate cements, NeoMTA 2, OrthoMTA, ProRoot MTA, and ...
Sen, Havva Gozde, Helvacioglu-Yigit, Dilek, Yilmaz, Ayca   +2 more
openaire   +5 more sources

A successful periodontal‐orthodontic treatment of an advanced case of dental trauma in a 9‐year‐old patient: A case report with 16‐year follow‐up

Clinical Advances in Periodontics, EarlyView.
Abstract Background Traumatic dental injury (TDI) most often requires complex and interdisciplinary management. Several factors are associated with the success of TDI treatment, including proper treatment planning and periodontal maintenance. Methods The present 16‐year follow‐up report describes the interdisciplinary management of an extrusive ...
João Carnio, Maísa Casarin, João Kreling Carnio, Flavia Q. Pirih   +3 more
wiley   +1 more source

Thermal Damage of Set Silicate Cement in Ultra-High Temperature Xerothermic Environment

Zuanjingye yu wanjingye
In coal gasification and shale gas in-situ development, the bottoms of the wellbores are in an ultra-high temperature xerothermic environment, which is of great challenge to the thermal stability of the cement sheaths.
Xiaojiang LI, Yueyang WANG, Jingnan XIAO, Haoguang WEI, Ruiyue YANG   +4 more
doaj   +1 more source

Interaction Mechanism of Cementitious Composites Containing Different Twisted PVA Fiber Bundles

Buildings, 2023
Fiber-reinforced cementitious composites (FRCCs) have made significant progress in improving the tensile and flexural properties of concrete members. Studies have shown that polyvinyl alcohol (PVA) fibers can effectively enhance the toughness of FRCCs ...
Hongmei Zhang, Fan Hu, Yuanfeng Duan, Jiaqi Yang, Zhengteng Duan, Lening Cao   +5 more
doaj   +1 more source

Perceived importance and didactic difficulty of chemistry education: Insights from Czech teachers

The Curriculum Journal, EarlyView.
Abstract This empirical study examines how chemistry teachers in lower and upper secondary schools in the Czech Republic evaluate the content of the chemistry curriculum, focussing on its perceived importance and didactic difficulty. Based on a quantitative survey (N = 146), the study provides insight into the pedagogical content knowledge of ...
Jitka Lorenzová, Blanka Jirkovská, Martin Čapek Adamec, Jan Havlík, Petr Holzhauser, Daniela Nováková, Karel Němejc   +6 more
wiley   +1 more source