retarding effect 中文意思是什麼
retarding effect
解釋
減速效應-
Hi this thesis, the setting time of various retarders had been tested, in which three retarders with good retarding action, citric acid, sodium tripolyphosphate, bone glue are respectively chosen from three types of retarders, hydroxyl carboxylic acid type, phosphate type and protein type, and the strength and setting time of gypsum added with them are determined. effect of some factors, such as ph value, fineness of hemihydrate, type of gypsum on the retarding action of the retarders is also studied
本文對多種緩凝劑進行凝結時間測試，選擇效果良好的羥基羧酸、無機鹽和蛋白質類型的三種緩凝劑：檸檬酸、多聚磷酸鈉和骨膠，測定它們對石膏凝結時間、強度等宏觀性能的影響，並分別研究ph值、石膏細度和石膏種類等因素對它們的緩凝效果的影響。 -
The concrete added organic water - reduce and plastic agent, called yj, would improve concrete workability, and reduce slump loss, decrease the exothermic rate at the early stage and postpone the arrival time of the highest temperature. lt is compatible to cement well, and had good retarding property, and some air - entrained effect
81mpa提高到3 28mpa ； 28d抗壓強度比為135 ；拌和物工作性能優良。應用klfs ，成功配製出c50 c70復合抗裂防滲高性能混凝土，並在實際工程中得到應用。
分享友人