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。
Total hardness and total solids appear positive correlation with nitrate, but no correlation with ammonium.
总硬度和总固体与硝酸盐氮呈显著正相关，与氨氮未表现出相关关系。
Major Inorganic Components: Sodium, potassium, chloride, calcium, magnesium, alkalinity, total hardness, total phosphorus, fluoride, sulphate.
主要无机成分：钠，钾，氯，钙，镁，碱度，总硬度，总磷，氟化物，硫酸盐。
This article attempts to use grey correlation analysis method to identify the main factors affecting total hardness, and to analyze its genetic mechanisms.
本文试用灰色关联分析方法，找出影响总硬度的主要因素，分析成因机理。
Total hardness, the concentrations of sulfate and chloride in homemade wells at wet season were significantly higher than those at dry season(P<0.05, P<0.01).
与枯水期比较，丰水期自备井水样中总硬度、硫酸盐、氯化物含量均较高，差异均有统计学意义（P<0.05或P<0.01）。
The total hardness, sulfate, chloride and consumption oxygen quantity in mixing water , underground water and surface water existed significant difference(P<0.01).
其中，混合水、地下水、地面水总硬度、硫酸盐、氯化物、耗氧量四项指标有显著差异（P<0.01）。
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.
采用直观的因果图，对EDTA滴定法测定水中总硬度的不确定度的来源及其对测量不确定度的影响进行分析。
Foliage spraying properly nitrogen could increase the globulin, glutenin and total protein content, and increase grain hardness, wet gluten, loaf volume and loaf score.
适当叶面喷氮可以增加球蛋白、谷蛋白和总蛋白含量，并可提高籽粒硬度和湿面筋含量，增加面包体积和面包评分。
Total Flavone of Polygonum Aviculare Tablets prepared with this optimum prescription was much better in terms of hardness and surfaces and the disintegration was also better.
按照最佳处方制备的扁蓄总黄酮片硬度和外观大为改善，崩解度大为提高。
Because the changing of source water, obvious variety of total degree hardness index about the new source water caused the difference on residents' taste.
结果显示因供水水源的更换，新供水系统总硬度指标显著变化，导致口感差异；
In the process of water softening, hardness is reduced, and total content.
水在软化过程中，仅硬度降低，而总含量不变。
For various hardness and texture of the samples it can provide a good sharp edge and to maintain a total of nature.
对于各种硬度和材质的样品它可提供良好的尖锐边缘并且保持共面性。
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。
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。
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