temporary hardness

The results of the experiment sh ow that the limited carbonate hardness method is simple, quick and effective.

由实验的结果来看,极限碳酸盐硬度法简便、捷、现性好,可信度高。

Study on a new type of utmost carbonate hardness measuring instrument and its evaluation method

一种新型极限碳酸盐硬度测定仪及评价方法研究

"Hard water: Water that contains mineral salts of calcium and magnesium, principally as Bicarbonates, chlorides, and sulfates, and sometimes iron."

硬水:含有钙和镁的碳酸氢盐、氯化物和硫酸盐的水,有时也可能含铁。

" Determination of CaCo3, SrCo3 in cathode carbonate by atomic absorption spectrophotometry"

GB/T10304.4-1988阴极碳酸盐中碳酸钙、碳酸锶的原子吸收分光光度测定

Eodiagenesis is characterized by the assemblage of carbonate-analcime-anhydrite, while authigenic kaolinite is found in some strata.

浅埋藏期以碳酸盐～沸石～硬石膏组合为特征。

dipotassium carbonate (neutral carbonate)

碳酸二甲（中性碳酸盐）

The net result is thus a reduction in the concentration of carbonate ions.

氢离子容易和碳酸盐离子结合，形成碳酸氢盐离子，最后导致碳酸盐离子浓度降低。

Study of Threshold Value of Organic Enrichment of Carbonate Gas Source Rocks;

碳酸盐岩气源岩有机质丰度下限研究

Impact of Acid-Insoluble Residua of Carbonate Rocks on Developing Intensities of Their Weathering Crusts

酸不溶物对碳酸盐岩风化壳发育程度的影响

inorganic carbonate of metals (excl, neutral sodium carbonate, natural carbonates and double or complex carbonates)

无机金属碳酸盐（不包括中性碳酸钠、天然碳酸盐和复或综合碳酸盐）

A salt or ester of hypochlorous acid.

次碳酸盐一种次碳酸的盐或酯

Experimental Study on Sulfate and Haroness Removal from Mine Waste Water with High Degree of Mineralization;

高矿化度矿井水硫酸盐、总硬度去除的实验研究

Test method for particle distribution of cathode carbonates by centrifugation sedimentation

GB/T10305-1988阴极碳酸盐粒度分布的测定离心沉降法

The Numerical Simulation for Temperature Field of MCFC Stack;

熔融碳酸盐燃料电池堆温度场的数值模拟

Studies on the Deformation and Strength Property of Songnen Plain Carbonate Saline Soil

松嫩平原碳酸盐渍土的变形和强度特性研究

Effect of Carbonate-alkalinity on Growth and Development Bufo garfarizans Tadpole

碳酸盐碱度对中华蟾蜍蝌蚪生长发育的影响

Technologies for improving producing degree of low permeability carbonate reservoirs

提高低渗碳酸盐岩储集层动用程度技术

The influence of non-carbonate alkalinity on secondary drainage treatment by using lime

非碳酸盐碱度对石灰处理二级排放水的影响