常見例句Varied indicators were applied for the determination of water alkality. 水中堿度測(cè)定采用多種指示劑進(jìn)行對(duì)比測(cè)試研究。The formation of calcium carbonate would decrease the alkality of concrete and the corrosion was easy. 后者主要是二氧化碳起重要作用,它滲透到混凝土中形成了碳酸鈣,導(dǎo)致混凝土堿性的降低,使鋼筋發(fā)生了腐蝕。This delay of dissolution and the dissolution speed depend upon the solution alkal... 溶解滯后和溶解速度與溶液的堿度有關(guān),與樹脂膜厚無關(guān)。Due to meteoric water on ground surface, the fluid of outcrop sandstones nowadays show acidity, but, the fluid of core sandstones nowadays is alkality. 露頭砂巖由于受地表大氣水(酸性水)的影響,現(xiàn)今流體呈酸性,而巖芯砂巖現(xiàn)今流體為堿性流體。R esults show that the modified cement with good durability, small expansion and low alkality can be made by use of gypsum and zeolite modifying alumina cement. 結(jié)果表明:以石膏和沸石對(duì)高鋁水泥改性,可配制出耐久性良好、具有微膨脹性的低堿度改性水泥。The analytical method of sodium carbonate,sodium hydrogen carbonate and total alkality in natural alkali was studied by combining nonwater titration with acid-base titration. 研究了非水滴定和酸堿滴定相結(jié)合測(cè)定天然堿中碳酸鈉、碳酸氫鈉和總堿度的分析方法; 返回 alkality