摘要在分析C-S-H凝胶的复杂性和特征的基础上,就测定它的化学组成、C-S-H凝胶中 [SiO 4 ] 4 四面体的聚合度及其结构的化学和物理的方法作了简要介绍。现代各种测试方法的出现和使 用,对C-S-H凝胶的组成和集中[SiO 4 ] 4 四面体的聚合结构有了较为完整的概念。 关键词C-S-H凝胶化学组成凝胶结构测定方法...
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methods of C-A-S-H and N-A-S-H in hydration products of alkali-activated materials are reviewed. The main methods of synthesizing C-A-S-H and N-A-S-H are s o l-gel method, hydrothermal method and chemical precipitation method, and the synthesized C-A-S-H and N-A-S-H system ...
Recently, a paper focused on the microstructure and mechanical properties of C-S-H, entitled “Role of porosity on the stiffness and stability of (001) surface of the nanogranular C–S–H gel” was published in Cement and Concrete Research (Cem. Concr. Res. 87 (2016) 45–52) [1]. ...
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4C). Key to SIM1’s bioactivity is the oxazole core, for example, a similar thiazole derivative was not active. The 2-position of the oxazole ring could be substituted with a phenyl group or smaller groups (e.g. –H (30) or –Me (SIM3)), and higher bioactivity was observed with ...
Then, alkene (1.0 mmol), HBpin (180 μL, 1.2 mmol) were added in sequence and stirred at room temperature for 20 h. The resulting solution was filtered by a short pad of silica gel and washed by ether (10 mL × 2). The combined filtrate was concentrated and ...
Hydrocarbon-Bridged Methyldimethoxysilanes as new Co-condensation Agents for the Sol−Gel Process of the Rhodium(I) Complex ClRh(CO)(P<img src="pubs.acs.org/appl/literatum/publisher/achs/journals/entities/223C.gif" alt="" class="entityA" align="bottom" />O)<sub>2</sub> Containing ...
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