Preparation, formula and properties testing were introduced for HMS series high range water reducing agent.
介绍了HMS型系列高效减水剂的制备方法、配方、以及性能测试。
Naphthalene series of high range water reducing agents is a kind of an excellent water reducing admixture widely in use.
萘系高效减水剂是一种用途较广性能优越的高效减水剂。
Testing results for effects of high range water reducing agent on hydration temperature elevation, heat emission and strength of the concrete were presented.
介绍了高效减水剂对混凝土水化温度升高、放热率及强度影响的试验结果。
A low cost retarded high range water reducing agent GCL1 was prepared via oxidation and sulfonation modification using calcium lignosulfonate as primary raw material.
研究了木素磺酸钙的氧化磺化等复合改性工艺，合成了以木素磺酸钙为主要原料的低成本缓凝高效减水剂GCL1。
Influence of high range water reducing admixture (HRWRA) on performance and cost of concrete was discussed. An economical dosage for HRWRA was found and its model established.
讨论了减水剂对混凝土性能和成本的影响，指出减水剂存在一个经济掺量，并建立了经济掺量模型。
Chemical structure, mechanism, performance characteristics of JM-PCA (I) carboxylic high range water reducing agent and its application in high performance concrete are presented.
本文介绍JM PC A (I)聚羧酸系高效减水剂的化学结构、作用机理、性能特点及其高性能混凝土的应用。
Through analysizing the factors of decline of durability of concrete, utilize the modified lignosulfonates high range water-reducing agent to raise the durability of concrete is scientific.
通过分析导致混凝土耐久性下降的因素，论述了利用改性木素磺酸盐高效减水剂在提高混凝土耐久性研究的应用。
An air entraining high range water reducing agent was synthesized by way of oxidization and grafted - sulfonation of black liquor of reed pulp (sodium lignosulfonate) and its performance was studied.
通过对芦苇造纸黑液氧化、接枝磺化合成工艺，研制出具有引气性能的高效减水剂，并对其性能进行了研究。
Examples range from contamination of the food or water supply, to high levels of air or noise pollution, a chemical accident, a disease outbreak or a natural disaster.
这方面例子的范围包括从食物或水供应的污染，到空气或噪音高度污染、化学事故、疾病暴发或自然灾害。
Under the conditions of higher water-cement radio, a certain consistency FDN high-range water reducer and hermetic surrounding, the cement paste did not set in a long time.
在较大水灰比，一定浓度FDN高效减水剂及密闭条件下，上层水泥浆体会长时间不凝结。
Generally applicable to the municipal pipe network pressure slightly higher areas or near water high pressure range.
一般适用于市政管网压力稍高的地区或水厂附近压力较高的范围内。
By the means of adding mineral admixture and high-range water reducer, this article used the manufactured sand as the fine aggregate to produce the high strength flowing manufactured sand concrete.
本文论述了通过掺加矿物掺合料、高效减水剂的技术途径，利用机制砂作为混凝土的细集料，在实验室配制出了大流动性的高强机制砂混凝土。
Widely water retention adjustment range - can select high water retention or good coating layer structure.
广保水调节范围-可以选择高水保留或良好的涂层结构。
Though the range of water head is not too wide, maximum efficiency of Goupitan hydroelectric plant is very high and weighted efficiency focus on rated head wide range in flow.
尽管构皮滩电站的水头变幅并不大，但最高效率要求较高，而且设计水头附近横向权值大。
The results of a series of experiment indicate that the sensor can offer wide measuring range high degree of accuracy and good linear output for measuring plant water content.
一系列实验结果表明本文得到的乔木水分传感器测量范围宽广、测量精度高、并且具有良好的线性输出，可以满足测量乔木茎干含水率的需要。
It possesses the characters of high head, high velocity, long operation time and large variation range of water level.
它具有水头高、流速大、运行时间长、水位变幅大等特点。
The temperature control valve solves the problem that a current temperature control valve inside a high pressure washer is incapable of preserving water temperature within a certain range.
它解决了现有的高压清洗机中的温控阀无法使水温始终保持在某一温度之内的问题。
High anti-scale efficiency. The maximum allowable value of LSI index in original water is 2.8, and it can control inorganic scales effectively within this range.
阻垢效能高，原水lsi指数最大允许值为2.8，在此范围内可有效的控制无机物结垢。
This paper describes a new backfilling technology of full-range tailings consolidated by a special accelerating material for high water content SUS pension.
本文叙述了一种金属矿山全尾砂速凝固化胶结充填新工艺。该工艺使用“高水速凝固化充填材料”作固化胶结剂。
Under the conditions of higher water-cement ratio, a certain consistency FDN high-range water reducer and hermetic surrounding, the cement paste did not set in a long time.
在较大水灰比，一定浓度FDN高效减水剂及密闭条件下，上层水泥浆体会长时间不凝结。
Under the conditions of higher water-cement ratio, a certain consistency FDN high-range water reducer and hermetic surrounding, the cement paste did not set in a long time.
在较大水灰比，一定浓度FDN高效减水剂及密闭条件下，上层水泥浆体会长时间不凝结。
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