retarding agent 中文意思是什麼
retarding agent
解釋
遲延劑-
In order to improve the performance of the maleic anhydride - co - acrylamine copolymer water - reducing agent, the copolymer is monoesterified with the polyethylene glycols. the fluidity of the esterified copolymer has been increased 60 %, and it has good retarding performance
通過對不同條件下得到的共聚物的酯化產物的性能的測試得到初始中和度、引發劑用量、反應物濃度、反應溫度與酯化產物性能的關系。 -
Selection of suitable retarding agent and its addition is particularly important for controlling the setting time of gypsum - based material in a certain rang, meeting the requirement of construction process. though the retarder is widely used, the influence factor, the intrinsic reason that induces the strength drop and retarding mechanism are still studied superficially
盡管石膏緩凝劑的用途廣泛，但是對於它的影響因素、緩凝劑強度降低的內在原因和緩凝劑阻礙石膏水化形成緩凝作用的機理的研究粗淺，認識模糊。 -
Auxiliary of flame - retarding : new type flame retardant, anti - fog, anlistatig, antimicrobial agent, ultraviolet stabilizer and other auxiliaries and flame - retarding materials
阻燃助劑：新型阻燃劑防霧劑抗靜電劑抗微生物劑紫外線穩定劑等其他助劑阻燃原料。 -
Effects of wh super set - retarding agent on hydration proceeding of portland cement
型超緩凝劑對硅酸鹽水泥水化過程的影響 -
The best process of sulfomethylated poly ( maleic anhydride - co - acrylamide ) is also designed. by testing setting time and water reducing rate of water - reducing agent, we find that the water - reducing ratio of the monoesterified ma - am is 20 %, and the sulfomethylated ma - am is 6. 3 %. they both have good retarding performance
本文還對水泥標準稠度用水量與凝結時間進行測定，得出酯化改性的減水劑減水率達到20 ，磺甲基化改性的減水劑減水率為6 . 3 ，改性產物均有一定的緩凝性。 -
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。
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