A measurement method of water hardness based on chemometrics is presented.
提出一种基于化学计量学方法的水硬度的测量方法。
Moderate water hardness seems to work the best for robust breeding and coloration.
水的硬度适中，似乎工作提供强大的繁殖和着色是最好的。
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水的硬度。
Objective the 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水的硬度。
Conclusion the formation of ureteral calculus probably relating to the water hardness in some areas.
结论在一些地区输尿管钙石的形成可能与水的硬度有关。
The influences of cold water hardness, temperature, velocity on fouling formation were experimentally studied.
考察了水质硬度、温度、流速对结垢过程的影响。
Application of ion exchange softening method, can make steam boiler feed water hardness meet eligibility criteria.
应用离子交换软化法，可使蒸汽锅炉给水的硬度达到合格标准。
The first-level softening resin filter, can effectively remove scale to achieve less than 50 mg in water hardness.
第一级软化树脂滤芯，能有效去除水垢使水质硬度达到50毫克以内。
Yangzhou has a simple and transparent character of water, fresh and lively spiritual water, water hardness and softness in temperament.
扬州具有纯朴透明的水的品格，清新活泼的水的灵性，刚柔相济的水的气质。
Device features: high softening rate, low outlet water hardness, simple and convenient regeneration and operation, high automation level.
装置特点：软化效率高、出水硬度低、再生操作简单方便、自动化程度高。
The performance of synergistic scale inhibition was investigated in different water temperature, magnetic field intensity, water hardness and concentration.
研究了不同温度、磁场强度、水质硬度及加药量下的协同阻垢性能。
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.
在试验选择的优惠条件下进行水处理不仅能延长树脂的有效交换周期而且交换后的给水硬度可趋于零。
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.
本文对稀释水的硬度、温度对纳米助留剂的影响进行研究，其研究结果表明稀释水质量对纳米助留剂性能的影响是相当大的。
Excellent performance of hardness, water and alcohol resistance; completely changing the idea about the worse performance of water-based coating.
具有非常高的硬度和优异的耐水性、耐醇性，完全改变了人们普遍认为水性漆性能差的观念。
The hardness of water depends upon the amount of salts of lime and magnesia which it contains.
水的硬度是由其含石灰盐和氧化镁的数量决定的。
At the same time, it can be determined according to the hardness of water and flushing times for the humidification tank.
同时，它可以根据水的硬度，确定加湿罐的冲洗次数。
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：不含酮，有机挥发物含量极低；耐久性和抗磨损性好，表面硬度可达2H。
To solve the north high hardness of water quality, and hardness of the water quality in the south.
能够解决北方高硬度水质，以及南方中硬度水质。
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的硬度、水分含量及容重产生了较大的影响。
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.
简要介绍了高硬度、高碱度的水处理技术和水处理剂ZH331HS的性能以及在循环水中的应用。
Adoption of this crosslinking mode could markedly improve water resistance, solvent resistance, glossiness and hardness of the film. 6.5w % DAAM out of total monomer mass was preferred.
采用该交联体系，可显著提高涂膜的耐水性、耐溶剂性、光泽度及硬度，DAAM的用量以占总单体质量的6.5%为好。
Apply to: improve the hardness of washing water.
适用于：改善洗涤用水的硬度。
A neutral high sudsing liquid cleaner for water of an hardness, Hand Dishwashing Detergent.
涤剂手洗清洁剂：用手手洗各种质量的器皿，并适用在任何硬度水质。
Uncertain degree is evaluated to adopt EDTA titrimetric law to measure total hardness of water quality.
采用EDTA滴定法测定水质总硬度的测量不确定度评定。
Hardness of the water used in boiler is an important index to ensure security running in boiler.
锅炉用水硬度是保障锅炉安全运行的一项重要指标。
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.
而且饮用水的硬度和总溶解性固体（TDS）和当地居民心脏病的死亡率有确定的正相关性。
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低硬低碱水质特点，浓缩倍数大于4时转为结垢型水质。
An increase of the content of hard segmer will increase film hardness and elongation strength, and lower water resistance.
硬段含量提高，胶膜硬度增加，拉伸强度增加，胶膜耐水性降低。
An increase of the content of hard segmer will increase film hardness and elongation strength, and lower water resistance.
硬段含量提高，胶膜硬度增加，拉伸强度增加，胶膜耐水性降低。
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