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- Small admixture, completely water soluble, low alkali, apparent reducing effect on the alkali-aggregate reaction. 掺量小、无载体、全水溶、低碱,对碱一骨料反应有明显的减少作用。
- The deashing of coal was studied under atmo-sphere with alkali treatment followed by acid washing. 考察了碱煤比、反应温度、时间、粒度组成等对两种煤脱灰的影响,并对脱灰机理作了初步分析。
- Table II shows relatively low alkali glass compositions being used in various parts of the United States. 现在一些碱含量仅为13%25的玻璃也可以被成功的熔解和用于加工。
- Both enzyme digestion and alkali treatment are effective methods of cell rupture, but each has a major disadvantage. 酶消化法和碱处理法都是细胞破碎的有效方法,但是也都有各自的缺点。
- The phosphate slag is used as the main raw material to produce road cement with FR - 2 low alkali solid activator. 以磷渣为主要原料,采用FR-2型低碱性固体激发剂,进行了影响磷渣道路水泥强度的因素研究;
- The characters of this admixture are as follows:liquid,chloride-free,low alkali content,low dosage and pumpable. 介绍了一种新型混凝土早强防冻剂,该类产品为液体型,具有不含氯盐,低碱,小掺量,可泵送等特点。
- Pectase treatment is decided to instead of alkali treatment to improve the moisture adoption and colored light of green colored cotton. 为改善绿色彩棉的吸湿性能,且避免影响绿色彩棉的色光,决定以果胶酶代替碱处理对绿色彩棉进行处理。
- The technology of abstracting molybdenum,cobalt and nickel from catalyst by acid treatment,extraction and alkali treatment was studied in this article. 主要研究废催化剂中钼、钴、镍的酸浸、萃取和碱浸提钼两种工艺。
- Based on the test results of alkali-aggregate using four cements and six aggregates, preventive effect of low alkali Portland eement on AAR is studied. 通过对4种不同碱含量的水泥与六种集料进行的碱-集料反应试验,得出水泥碱含量越低,抑制碱-集料反应的能力越强的结论;
- The jute fiber was treated by two different methods: built additive auxiliary reagents pretreatment,alkali treatment,water treatment. 对黄麻纤维进行三种预处理:复配助剂处理、碱处理、水处理。
- This paper deals with the alkali treatment affect for ramie yarn and ramie / cotton yarn in order to improve their elasticity. 本文主要为了改善苎麻纱和麻棉纱的弹性,对苎麻纱、麻棉纱和棉纱进行了碱处理。
- Wet processing of supermicro Tencel fabric is detailed, including singeing, enzyme scouring, low alkali mercerization, DP finish and softening, as well as preshrinking. 采用酶处理、氧漂、低碱丝光等工艺措施,以保护纤维;
- Alkali treatment is the antithesis of enzyme digestion, for it is harsh rather than gentle, nonselective rather than specific, and cheap rather than expensive. 碱处理法和酶消化法相反,反应激烈,不具选择性,而且较便宜。
- The test results show that this super plasticizer posse some superior characteristics, such as high dispersing ability, fluidity keeping ability, low alkali contained. 试验表明,聚羧酸塑化剂具有减水率高、流动保持能力好、碱含量低等特性。
- The effects of factors, such as high-speed shear treatment, heat treatment, acid treatment and alkali treatment on the soluble characteristic were investigated. 分别考察了高速剪切处理、加热处理、酸处理和碱处理对醇变性大豆蛋白溶解特征的影响。
- It was proved that with the help of low alkali agent DKB-321, product quality was satisfactory, while cost and burden on environment were greatly reduced. 结果表明,采用低碱前处理剂DKB-321对纯棉粗厚织物进行冷轧堆,可节约成本,减少污水排放,是一种节能减排工艺。
- The quality good main item deleading technology contains the acid and alkali treatment process, can cause Shui who flows through the main item Han the lead quantity minimum. 品质好的龙头除铅技术包含酸碱处理过程,能够使流经龙头的水含铅量最小化。
- Opal,a high alkali active mineral,and crystal,a low alkali active mineral,are employed to experimentally study the source of expansion force of alkali-silica reaction(ASR). 结果表明,产物吸水肿胀所引起的膨胀量是很有限的,渗透压是碱-硅酸反应的主要膨胀来源,从而为碱-硅反应的渗透压假说提供试验论据。
- It is revealed that the risk of deterioration due to AAR can be minimized and admixture can be chosen more widely when low alkali cement is used in construction. 在工程混凝土中大力推广使用低碱含量水泥,可以减少混凝土中的碱含量,增加外加剂的可选品种和用量,降低碱-集料反应的损害程度。由于所选水泥和集料均为工程常用的品种,该试验具有较大的实用价值。
- P-zeolite was hydrothermally synthesized by alkali treatment bentonite of Shangtianti, Henan Province.The testing product P-zeolite had been characterized. 以信阳上天梯膨润土为原料,通过碱熔活化,水热合成洗涤用P型沸石,并对产品进行表征。