您要查找的是不是:
- In this paper,excitation effects of alkali,gypsum,lime and temperature on the pozzolanic activity of fly ash were researched. 研究了碱、石膏、石灰和温度对粉煤灰火山灰活性的激发作用。
- The charge transfer resistance R ct and the HF capacitance C HF represent the characteristic of pozzolanic activity and water requirement ratio of fly ash. 交流阻抗谱参数电荷传递电阻Rct和高频电容CHF;可分别反映粉煤灰的火山灰活性和需水量比的特征 .
- The results show that fly ash itself has no pozzolanic activity;while the alkali,gypsum,lime have grea excitation effects on the pozzolanic activity of fly ash. 结果表明,粉煤灰不具有自硬性,碱、石膏和石灰对粉煤灰火山灰活性有很强的激发作用。
- The pozzolanic activity and filling function of phosphorus slag efficiently improve the microstructure and pore structure of cement pastes at later hydration age. 磷渣的活性效应和填充效应的发挥有效地改善了浆体水化后期的微观结构和孔结构,从而使浆体的力学性能有所提高。
- Rice husk ash produced under suitable burning conditions is characterized by high con tent of amorphous SiO2,high pozzolan activity and large specific surface area. 在适当条件下烧成的稻壳灰,具有无定形SiO2含量高、火山灰活性高及比表面积大等特点。
- The results shows that:malvern laser granulometer can determine the grain size and distribution of fly ash accurately and rapidly and the pozzolanic activity can be determinded tentatively. 试验研究表明:Malvern激光粒度仪可准确、迅速测定粉煤灰粉体的粒径及其颗粒分布,从而可初步确定粉煤灰火山灰活性。
- It is indicated that the pozzolanic activity of the rice husk ash is higher than that of pelletized silica fume, resulting to increase of strength for ordinary concrete and high strength concrete. 活性试验表明,低温稻壳灰火山灰活性超过造粒硅灰,对普通混凝土和高强混凝土都具有强烈的增强作用。
- Gao Q Y, Zhang Z Q.Study on the structural change in the calcinations progress of kaolinite and it's pozzolanic activity[J].Journal of the Chinese Ceramic Society, 1989,17(6) :541-548. [9]高琼英;张智强.;高岭石矿物高温相变过程及其火山灰活性[J]
- Here is a Research of the pozzolanic activity by using the shaft-kiln calcined coal gangue and its result indicates that coal gangue can be used in great amount as addition of cement. 研究了利用石灰竖窑煅烧煤矸石的火山灰活性。结果表明,煅烧煤矸石可作为水泥的混合材而大量利用。
- The results show that the pozzolanic activity of thermal activated coal gangue in the north of China is stronger than that in the south. 结果表明:我国北方热激发煤矸石的活性普遍高于南方热激发煤矸石;
- The decisive inflence of the structure on pozzolanic activity of fly ash was expounded by analyses of activated mechanisms of grinding hydrothemal synthesis and basic activation. 通过对机械细磨、水热合成、碱性激发等激活机理的分析,阐明结构对粉煤灰火山灰活性的决定性影响
- Keywords Kaoline;Calcination;Pozzolanic activity; 高岭土;煅烧;火山灰活性;
- It is found that the pozzolanic activities of the all powders increase with the prolongation of age except for PQ, the pozzolanic activities of the four powders follow the sequence: PNG>PFA>FA>PQ. 4种矿物掺合料的火山灰活性顺序为:PNG>PFA>FA>PQ;
- Relation between Fineness and Pozzolanic Activity of Fly Ash 粉煤灰细度与其火山灰活性的关系
- Keywords metakaolin;pozzolanic activity;cement;concrete; 偏高岭土;火山灰活性;水泥;混凝土;
- Keywords gypsum tailings;retarder;pozzolanic activity; 石膏尾矿;缓凝剂;火山灰活性;
- Keywords Coal ashes;Pozzolanic activity;Difference;Sources; 燃煤灰渣;火山灰活性;差异;来源;
- The office has been humming with activity. 办公室一直忙着搞活动。
- Keywords gangue;calcination;pozzolanic activity;strength; 煤矸石;煅烧;火山灰活性;强度;
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries