• The hardness of water depends upon the amount of salts of lime and magnesia which it contains.

    硬度是由石灰氧化镁数量决定的。

    www.dictall.com

  • To solve the north high hardness of water quality, and hardness of the water quality in the south.

    能够解决北方硬度水质以及南方中硬度水质。

    www.nanoderwater.com

  • Uncertain degree is evaluated to adopt EDTA titrimetric law to measure total hardness of water quality.

    采用EDTA滴定法测定水质硬度测量不确定评定

    dict.cnki.net

  • At the same time, it can be determined according to the hardness of water and flushing times for the humidification tank.

    同时可以根据硬度确定加湿冲洗次数

    www.hirossz.com

  • Objective the different source of the water hardness were measured by the coordination titration.

    目的配位滴定法测定不同来源硬度

    zuci.chaziwang.com

  • Application of ion exchange softening method, can make steam boiler feed water hardness meet eligibility criteria.

    应用离子交换软化使蒸汽锅炉给水硬度达到合格标准

    www.cnstgl.com

  • Conclusion the formation of ureteral calculus probably relating to the water hardness in some areas.

    结论一些地区输尿管钙石形成可能硬度有关

    www.juyy.net

  • The results of the research on the relation between the hardness and the temperature of dilution water and the performance of nano-retention aid show that the effects are obvious.

    本文稀释硬度温度纳米留剂影响进行研究研究结果表明稀释水质量对纳米助留剂性能影响是相当大的。

    www.chemyq.com

  • ObjectiveThe different source of the water hardness were measured by the coordination titration.

    目的用配位滴定法测定不同来源硬度

    danci.911cha.com

  • It has been found from some investigations that TDS and hardness of drinking water correlate with the lethal rate of heart disease of the local population.

    而且饮用水硬度和总溶解性固体(TDS当地居民心脏病死亡率确定的正相关性。

    www.chemyq.com

  • Excellent performance of hardness, water and alcohol resistance; completely changing the idea about the worse performance of water-based coating.

    具有非常高硬度优异水性、耐性,完全改变人们普遍认为水性性能观念

    oo.sdkjg.com

  • A measurement method of water hardness based on chemometrics is presented.

    提出一种基于化学计量方法硬度测量方法。

    dict.cnki.net

  • Under the optimal conditions, the processing of water can not only prolong the efficient exchange period of the resin, but also make the hardness of feeding water almost to zero.

    试验选择优惠条件进行处理不仅延长树脂有效交换周期而且交换后给水硬度可趋于零。

    www.chemyq.com

  • Treatment effects of using the coagulative precipitation and RO to treat high hardness and high sulfate-resistant(HSR) mine water were described in this paper.

    叙述采用混凝沉淀法RO反渗透膜技术硬度、高硫酸盐型矿井处理效果

    lib.cqvip.com

  • The paper argues the stable treatment of high hardness and highly mineralized water.

    通过研究硬度矿化度水质稳定处理

    dict.cnki.net

  • The technique of treatment of water of high hardness and high alkality and the properties of water treatment agent ZH331HS and its application are introduced.

    简要介绍了硬度、高碱度处理技术水处理剂ZH331HS性能以及循环水中的应用

    en.zidian8.com

  • New environment-friendly water-based varnish: excluding ketones, volatile organic compounds were very low; durability and good abrasion resistance, surface hardness of up to 2H.

    新型环保水性清漆不含有机挥发物含量耐久性磨损性好表面硬度可达2H。

    danci.911cha.com

  • Apply to: improve the hardness of washing water.

    适用于:改善洗涤用水硬度

    jingmu.cn

  • The effect of the water alkalinity and the water hardness on noodle quality was reviewed.

    研究了碱度硬度面条品质影响

    www.dictall.com

  • The results have shown that the hardness, water content and unit weight of soils are heavily affected by traveler activities for sightseeing beyond the limited roads.

    结果表明游客越出游道观光对游道外缘土壤硬度水分含量容重产生了较大的影响。

    dict.cnki.net

  • A neutral high sudsing liquid cleaner for water of an hardness, Hand Dishwashing Detergent.

    涤剂手洗清洁剂:用手洗各种质量的器皿,并适用任何硬度水质

    danci.911cha.com

  • Cover crops can improve the water holding ability of soil; however, its effect on soil hardness depends on the moisture content of soil.

    覆盖作物改善土壤能力但是对土壤硬度的影响与土壤含水率有关。

    dict.cnki.net

  • The performance of synergistic scale inhibition was investigated in different water temperature, magnetic field intensity, water hardness and concentration.

    研究不同温度磁场强度水质硬度加药量下协同阻垢性能

    dict.cnki.net

  • An increase of the content of hard segmer will increase film hardness and elongation strength, and lower water resistance.

    含量提高,胶膜硬度增加拉伸强度增加,胶膜耐水性降低

    dict.cnki.net

  • The surface hardness of the materials having different compositions before and after absorbing water was studied, and the best formula was determined.

    通过改变组分配比研究水泡前后材料表面硬度变化,筛选出最佳配方。

    www.chemyq.com

  • The water from the Songhua River system in Jilin Province features low hardness and low alkalinity and turns to water of scaling type when its enrichment factor is above4.

    吉林松花江水系水质为水质特点浓缩倍数大于4转为水质

    dict.cnki.net

  • Making use of the cause and effect diagram to analyse the sources and influences of uncertainty in determination of total hardness in water by EDTA titrimetric method was introduced.

    采用直观因果EDTA滴定测定水中硬度的不确定来源及其测量不确定度的影响进行分析。

    dict.cnki.net

  • Making use of the cause and effect diagram to analyse the sources and influences of uncertainty in determination of total hardness in water by EDTA titrimetric method was introduced.

    采用直观因果EDTA滴定测定水中硬度的不确定来源及其测量不确定度的影响进行分析。

    dict.cnki.net

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