Influence of mixing solution on characteristics of calcium aluminate cement modified with sodium polyphosphate
نویسندگان
چکیده
منابع مشابه
Influence of Mixing Liquid on the Properties of Calcium Aluminate Cement
The effect of using Na2HPO4 solution as mixing liquid in the physicochemical and mechanical properties of calcium aluminate cement (CAC), with a view to a possible reinforcement additive of conventional α-TCP-based CPC was studied. The results showed that the degree of the hydration reaction of CaAl2O4 (CA) increased when Na2HPO4 solution was used as mixing liquid. The porosity of cement was al...
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Article history: Received 18 June 2014 Accepted 7 May 2015 Available online xxxx
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بر اساس نظریه افلاطون در باره شعر خلاقیت هنری مورد انتقاد قرار گرفته است. نظریه کلی در مورد شعر این بود که شعر از ظواهرتقلید میکند و نه حقیقت. چون سایه ای از حقیقت است. اما با پیدایش فلسفه نو افلاطونی، انتقاتات قبلی در مورد شعر و شاعری اصلاح شد. فلوطین در کتاب انئید، اساس خلق هنری را بر محور مُثل افلاطونی قرار داد. وی باور داشت که هنر مندان در خلق آثار هنری، تحت تاثیر مُثل افلاطونی بوده و عوالمی ...
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ژورنال
عنوان ژورنال: Cement and Concrete Research
سال: 2020
ISSN: 0008-8846
DOI: 10.1016/j.cemconres.2019.105951