Zobrazeno 1 - 10
of 536
pro vyhledávání: '"Wang Dongmin"'
Publikováno v:
Nanotechnology Reviews, Vol 11, Iss 1, Pp 2857-2874 (2022)
Ion erosion and carbonization in concrete are the key factors leading to the deterioration of durability. Layered double hydroxides (LDHs) are a kind of functional material with layered structures and ion exchange properties, which can capture a vari
Externí odkaz:
https://doaj.org/article/26a72f3ad6814d43a44759959a8ab059
Publikováno v:
矿业科学学报, Vol 7, Iss 5, Pp 595-603 (2022)
Coal gasification crude slag can be used as a precursor to prepare geopolymer, and its high temperature resistance needs to be further explored. In this paper, geopolymers prepared by mixing 10% of TiO2, 30% of fly ash and 30% of slag in coal gasific
Externí odkaz:
https://doaj.org/article/1cc9f0201eca4b5195e55bcf6f802dec
Publikováno v:
矿业科学学报, Vol 7, Iss 5, Pp 513-521 (2022)
The large-scale application of coal gasification technology produces a large amount of coal gasification slag that is difficult to handle. As a kind of coal gasification ash rich in aluminosilicate minerals, coal gasification coarse slag has the char
Externí odkaz:
https://doaj.org/article/8f9b556a54c34072864b303ee7cc8242
Investigating the performance of dry chemically modified steel slag powder and pastes by formic acid
Publikováno v:
矿业科学学报, Vol 7, Iss 5, Pp 522-528 (2022)
Understanding the composition and reactivity of formic acid modified steel slag powder (SS) from micro scale is critical to extending the utilization of steel slag. In this study, four representative sources of SS were selected, which were dry chemic
Externí odkaz:
https://doaj.org/article/b8e508b38cb54d0ab858b53a3a812eaa
Autor:
Tang Guanbao, Wang Dongmin
Publikováno v:
矿业科学学报, Vol 7, Iss 2, Pp 240-246 (2022)
In order to promote the efficient application of amorphous C12A7 in early strength and rapid setting engineering materials, and understand the interaction mechanism between gypsum and amorphous C12A7, the influence of gypsum on the early hydration of
Externí odkaz:
https://doaj.org/article/d5a4b4a396b24334ac996d9de79f3789
Publikováno v:
矿业科学学报, Vol 6, Iss 6, Pp 737-745 (2021)
Coal gasification slag is a kind of solid coal chemical waste which mainly contains aluminosilicate minerals.The gasification slag modified by mechanical grinding and chemical excitation can be used as active admixture of composite Portland cement, w
Externí odkaz:
https://doaj.org/article/cbfc816729bc4284b726ef371772fb2e
Publikováno v:
矿业科学学报, Vol 4, Iss 3, Pp 261-268 (2019)
The foaming geopolymer was prepared by experiments using circulating fluidized bed combustion fly ash (CFAS),silica fume (SF),water glass (WG),NaOH and H2O2,and silica fume was used to adjust the n(SiO2)/n(Al2O3) molar ratio of the geopolymers,the fr
Externí odkaz:
https://doaj.org/article/39dadf545f8e449182f0443050e13d9c
Publikováno v:
矿业科学学报, Vol 4, Iss 1, Pp 86-94 (2019)
Lithium slag is used as a supplementary cementitious material in cement-based materials due to its pozzolanic activity,but its lower hydration activity leads to a decline in the mechanical properties and durability of the cement-based material.In thi
Externí odkaz:
https://doaj.org/article/93ec36c27eeb4a32a4dd7cce23ed50e7
Publikováno v:
矿业科学学报, Vol 3, Iss 5, Pp 508-514 (2018)
In this study, geopolymers were prepared by steel slag, fly ash, and alkali activitor of sodium hydroxide and sodium silicate solution.Then the analcime was synthesized by hydrothermal methods.It is investigated the effects of different molar ratios
Externí odkaz:
https://doaj.org/article/dcb6e2c7c4124ee094cdffbb800a98e7
Publikováno v:
矿业科学学报, Vol 2, Iss 2, Pp 175-182 (2017)
Large amount of circulating fluidized bed combustion fly ash (CFA) were generated in power plants.In this paper, foam geopolymer material was prepared using CFA, water glass (WG) and sodium hydroxide (NaOH) as raw material and hydrogen peroxide as fo
Externí odkaz:
https://doaj.org/article/c2ab7ea4a1484b7d81d0299c0cd29e57