Results 21 to 30 of about 377,251 (289)

Physico-mechanical properties of polymer concrete containing micro-filler of palm oil fuel ash [PDF]

, 2018
Objective of this study is to present a research conducted on ground (fine) and unground (coarse) POFA in polymer concrete (PC) followed by determination on the physico-mechanical properties of PC.
A. Hamid, Noor Azlina, A. Ismail, Mohamed, A. Khalid, Nur Hafizah, A. Majid, Masni, Ismail, Mohammad, Jamellodin, Zalipah, Mohamed, Azman, Mohd. Sam, Abd Rahman, Salleh, Norhafizah   +8 more
core   +1 more source

Study on Calcified Alkali Leaching of Vanadium-Extracted Tailings and Preparation of Barium Orthovanadate

Nanomaterials
While vanadium-extracted tailings contain valuable components, their utilization is difficult due to their high sodium content. In this work, a new oxygen-pressure calcification and alkaline leaching strategy to achieve barium orthovanadate vanadium ...
Jinwei Qu, Yiqiu Wang, Xinyu Hao, Na Ma
doaj   +1 more source

Study on Co-Calcination of Vanadium-Chromium Slag and Artificial Marble Waste Slag Followed by Acid Leaching for Separation of Vanadium and Chromium

Metals
This study addresses the challenge of achieving efficient separation of vanadium and chromium from vanadium–chromium slag (VCS) while simultaneously tackling issues related to artificial granite waste residue (AGWR), such as its substantial stockpiling ...
Xiaoxin Xuan, Guangyu Zhang, Yiqiu Wang, Jinwei Qu, Yang Chen   +4 more
doaj   +1 more source

Effect of Langmuir monolayer of bovine serum albumin protein on the morphology of calcium carbonate

, 2011
Bovine serum albumin (BSA) Langmuir monolayer, as a model of biomineralization-associated proteins, was used to study its effect on regulated biomineralization of calcium carbonate.
Addadi, Becker, Bin-Bin Hu, Clark, DiMasi, Donners, Fernandez-Diaz, Hayashi, Hernández-Hernández, Heywood, Kitano, Liang, Liu, Lochhead, Mann, Mann, Mann, Manoli, Marín-García, Naka, Owaku, Raz, Shu-Xi Dai, Subburaman, Sánchez-González, Sánchez-González, Takeuchi, Travaille, Treccani, Tsortos, Volkmer, Weiner, Weiner, Yan, Zhang, Zhong-Hui Xue, Zu-Liang Du   +36 more
core   +1 more source

Influence of finely ground limestone on cement hydration [PDF]

, 1999
International audienceSome work has been carried out on the effect of calcium carbonate on cement paste, but there is no general agreement on the relative effects of different amounts of calcium carbonate on cement paste properties.
Guilhot, Bernard, Husson, Sophie, Péra, Jean   +2 more
core   +4 more sources

Current Situation of Vanadium Resources and New Process Progress of Vanadium Extraction from the Stone Coal Vanadium Ore

Kuangchan zonghe liyong
The main occurrence minerals of vanadium include vanadium titanomagnetite, stone coal vanadium and vanadium lead ores. At present, the vanadium extraction processes of stone coal vanadium ore are mainly sodium roasting-water leaching and calcification ...
Jinwei QU, Na MA, Yuefang HU, Xiaoying WENG, Zhihe DOU   +4 more
doaj   +1 more source

Impact of Temperature and Substrate Type on the Optical and Structural Properties of AlN Epilayers: A Cross-Sectional Analysis Using Advanced Characterization Techniques

Molecules
AlN, with its ultra-wide bandgap, is highly attractive for modern applications in deep ultraviolet light-emitting diodes and electronic devices. In this study, the surface and cross-sectional properties of AlN films grown on flat and nano-patterned ...
Wenwang Wei, Yi Peng, Yuefang Hu, Xiuning Xu, Quanwen Xie   +4 more
doaj   +1 more source

Structure of supercritically dried calcium silicate hydrates (C-S-H) and structural changes induced by weathering [PDF]

, 2013
The nanostructure of supercritically dried calcium silicate hydrates was researched. This particular drying procedure was used to avoid nanostructure modifications due to conventional drying processes.
Morales Flórez, Víctor, Rosa Fox, Nicolás de la   +1 more
core   +1 more source

Ca2+ addition facilitates the shell repair with eggs production of Pomacea canaliculata through biomineralization and food intaking regulation

Scientific Reports, 2023
Pomacea canaliculata was by far one of the most harmful invasive organisms in the world, causing serious harm to aquatic crops and ecosystem. Calcium carbonate is a common component of aquatic environment, which is important for the growth of Pomacea ...
Yingtong Chen, Fucheng Yao, Jiaen Zhang, Chunxia Zhang, Zhong Qin, Jing Guo   +5 more
doaj   +1 more source

The influence of type of calcium carbonate fillers on the performance AKD and mechanical properties of printing and writing paper [PDF]

Iranian Journal of Wood and Paper Industries, 2016
This study aimed at evaluating effect of sizing agent and various fillers on properties of printing and writing paper. Therefore, sizing agent (AKD) in 1.5% level and fillers including precipitated calcium carbonate (PCC), ground calcium carbonate (GCC ...
mohammad taghi manghuli, ghasem AsadpurAtoei, noorodin nazarnezhad, seyed majid zabih zadeh   +3 more
doaj