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- Identifying the alkali reactivity of aggregate is a most important measure to prevent form alkali aggregate reaction(AAR). 集料碱活性检测是预防碱集料反应 (AAR)的重要措施。
- The Alkali Aggregate Reaction of Cement Concrete Structure and Its Prevention 水泥混凝土结构的碱骨料反应及其预防措施
- As to blastfurnace slag, the higher the vitreous body content in amorphous state, the better the effect of reducing alkali aggregate reaction. 对于高炉炉渣而言,非晶态玻璃体含量愈高,抑制碱集料反应的效果愈好;
- The alkali active reaction has the characteristics of slow and long duration. It should strictly control the use of active aggregate as it is selected. 碱活性反应具有缓慢、持续时间长的特征,在选用骨料时,必须严格控制活性骨料的使用。
- As to the steel slag, the effect of reducing alkali aggregate reaction is better when alkali reactivity is low and the content of free calcium oxide and periclase is low. 对于钢渣,当碱活性低,游离氧化钙和方镁石的含量低时,抑制碱集料反应的效果愈好。
- The hydroxides of the alkali metals are strongly alkaline. 碱性金属的氢氧化物有很强的碱性。
- Francium is the densest of the Alkali Metals and also radioactive. 钫是碱金属中密度最大的,具有放射性。
- The alkali concentration or alkaline quality of an alkali-containing substance. 碱度,碱性含碱物质中碱的浓度或碱的特性
- It is proposed that the increased alkali-binding capability of the low Ca/Si ratio C-S-H gel can significantly reduce the alkali available for reactive aggregate, resulting in the suppression of ASR. 却忽视了火山灰反应生成的大量低Ca/Si的C-S-H凝胶在抑制ASR中的作用。
- All the alkali metals have a single s-electron outside a closed shell. 所有的碱金属都在闭合壳层之外有一单个S电子。
- Hobbs D W,Gutteridge W A.Particle Size of Aggregate and Its Influence upon the Expansion Caused by the Alkali?Silica Reaction[J].Magazine of Concrete Research,1979,31,109:235-242. 张承志.;集料碱活性的评定与混合材抑制碱骨料反应膨胀有效性的评定[D]
- It was surprise when the alkali spectra showed unmistakable doublets. 当碱金属光谱显示出不容怀疑的双线结构时,是令人惊奇的
- The alkali halides can be grown into large crystals of excellent transparency. 硷金属卤化物能生长成具有优良透明性的大晶体。
- It was surprising when the alkali spectra showed unmistakable doublets. 当碱金属光谱显示出不容怀疑的双线结构时,是令人惊奇的。
- Among them, the acid buffer action is stronger than the alkali buffer action. 且对酸的缓冲能力强于对碱的缓冲能力。
- Our team scored the most goals on aggregate. 整个来说,我们队得分最多。
- The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
- There are 26 letters in the English alphabet. 英语字母表中有26个字母。
- Foreign nationals were asked to leave the country. 外国侨民被要求离开该国。