硬水

肥皂在硬水中起不了多少泡沫。

Soap does not lather well in hard water .

13X沸石用于硬水软化的研究

Study on softening of hard water by 13X-Zeolite

讨论了大气~（14）C产生率纬度效应，以及~（14）C分布储存库效应、环境效应、硬水效应等对极地湖泊沉积物~（14）C测年之影响及校正。

The latitude effect of ￣ 14C productivity , reservior effect , environment effect , hardwater effect on ￣( 14 ) C age of Antarctic lake sediments have also been discussed .

高温高表面氧化铝新材料制备的化学研究Ⅰ.硬水铝石法制高表面α-Al2O3

Preparation chemistry study of the high temperature and high surface area Al_2O_3 ⅰ Preparation of high surface area α - Al_2O_3 from diaspore decomposition

研究了由硬水铝石分解制备高表面αAl2O3的生成条件，以及煅烧温度、时间对高表面αAl2O3性质的影响规律和添加Si对高表面αAl2O3热稳定性的影响。

The forming condition of high surface area ( HSA ) α Al 2O 3 from diaspore decomposition , the influences of calcination temperature and time on its properties and the effects of additive Si on its thermal stability were studied .

目前工业上大量使用的无磷洗涤助剂为4A沸石和偏硅酸钠，4A存在潜在的铝污染问题，而偏硅酸钠的抗硬水性差。

Zeolite ( 4A ) and sodium metasilicates are largely used as phosphate-free detergent builders in industry . There is a potential pollution because of the zeolite containing Al 3 + . The softening water capability of sodium metasilicate is poor .

通过反相乳液聚合的方法合成一种印花增稠剂XF，并测试了它的成糊率，流变性，耐硬水，耐电解质等应用性能。

The thickener XF was synthesized by inverse emulsion-polymerization , and its applied performance , such as the percentage of thickening , the theological behavior and resistance to hard water and electrolyte and so on , were examined .

Na+、Mg2+和Ca2+能增大氯苯在表面活性剂中的表观溶解度，阴非离子表面活性剂SDS与TW80混合后能提高表面活性剂的抗硬水能力，提高增溶效率。

Na + , Mg2 + and Ca2 + can increase the apparent solubility of CB in the surfactant . Thus , it can be seen that the mixed surfactant can prove to be able to greatly enhance the resistance to hard water and heighten the solubilization effect .

仅有硬水的情况下，应将硬水软化。

Where hard water only is available this shall be softened .

抗硬水性捕收剂的合成及浮选性能研究

Study on Phosphate Ore Flotation by a Anti hard water Collector

又我国硬水铝石岩溶铝土矿，应属于生物有机质成矿作用的沉积型铝土矿。

And karst diaspore bauxite deposits belong to bioorganic sedimentary deposits .

硬水软化两性树脂的合成与性能研究

A study on synthesis and properties of water softening amphoteric resins

水硬水泥[灰泥]硬水使水壶生水垢。

Hydraulic cement [ mortar ] Hard water furs the kettle .

GB/T7381-1993表面活性剂在硬水中稳定性的测定

Surface active agents & Determination of stability in hard water

合成洗涤剂通常在硬水中很有效。

Synthetic detergents generally work very well in hard water .

硬水对盆栽花卉生长的抑制效果十分突出，严重降低产品品质。

Hard water significantly inhibits growth and decreases quality of potted flowers .

在声学上硬水表面上方飞机声音强度的侧向衰减

Lateral Attenuation of Aircraft Sound Levels Over an Acoustically Hard Water Surface

运用离子硬水清洗技术的洗碗机

Development of Dishwashing Technology with Ions of Hard Water

硬水显著抑制一品红生长。

Hard water inhibited significantly the growth of poinsettia .

在硬水中稳定性的测定努力稳定低生育水平

Determination of stability in hard water work to stabilize the low Birth rate

广泛庶用于硬水地区。

Widely used in hard water areas Shu .

机械活化木薯淀粉氧化产物软化硬水能力的研究

Study on Capability of Softening Hard-water of Oxidation Product of Mechanical Activated Cassava Starch

硬水使水壶生水垢。布赖恩：用热水涮茶壶一次，把茶壶热热。

Brian : Rinse out the teapot with very hot water to make it hot .

水硬水泥[灰泥]GB/T7381-1993表面活性剂在硬水中稳定性的测定

Hydraulic cement [ mortar ] Surface active agents & Determination of stability in hard water

硬水抑制一品红生长的主因子初探

A Preliminary Study on the Major Inhibitive Factor of Hard Water on Growth of Poinsettia

锦西大化肥高碱高硬水处理配方的研究和应用

The study and application of the prescription for treating water with high basicity and hardness

因为硬水中含有可能导致过敏反应的高浓度矿物质和其它物质。

Hard water contains high concentrations of minerals and other substances that may provoke allergic reaction .

适用于冷热水与硬水：。通过热处理使某物变硬。

Equal cleanness in cold , hot or hard water . hardening something by heat treatment .

经过加入碳酸钠能被软化的硬水，称为永硬水。

Hard water which can be softened by adding sodium carbonate is called permanent hard water .

能完全去除硬水斑点。

Completely eliminates hard-water spotting .