明礬土 的英文怎麼說
中文拼音 [míngfántǔ]
明礬土
英文
alum clay-
For thirty years, the institute has been engaged in geological prospecting for alunite, illite, pyrite, bentonite, fluorite, phosphate rock, sericite etc, has completed and submitted more than 70 geological reports
該院對明礬石、伊利石、硫鐵礦、膨潤土、螢石、磷礦、絹雲母等礦進行了綜合找礦，綜合評價，先後提交各類地質報告70餘份。The major performances of concrete and mortars, which are mixed with different quantities of expansion admixtures under the same mix proportions, are studied systematically and deeply in this work. sulphoaluminate mixed with a type of new expanding component by use of the composite methods are studied in the laboratory, and some achievements have been obtained. the service conditions, the characteristics and the shortcomings of expansion admixture in the concrete engineering are analyzed and summarized based on literatures, and the expanding mechanism of concrete is discussed
本文試圖從膨脹劑不同摻量研究其對混凝土和砂漿主要性能的影響，進行了一系列宏觀力學性能試驗研究；利用差熱分析（ dta ） 、掃描電子顯微鏡（ sem ）等分析手段對鈣礬石等水化產物的結晶和生成量、形貌特徵進行微觀分析；並採用復合方法摻加新型膨脹組分對硫鋁酸鹽類膨脹劑（ uea ）進行了改性試驗研究，根據多因素模糊綜合評價方法就各類膨脹劑的主要性能進行綜合評價，得出摻加新型膨脹組分pt的膨脹劑性能較優，取得了明顯的效果。
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