hard water

硬水：含有高浓度矿物质的水

常用释义

硬水：含有高浓度矿物质的水，主要是含有高浓度的钙和镁；硬水的形成是因水渗流过由钙、镁的碳酸盐、碳酸氢盐和硫酸盐所组成的石灰石、白垩或石膏沉积物。

扩展信息

硬水

水质如何分类的？有哪些标准？_爱问知识人 ... 中等水( Moderately hard water) 硬水( Hard water) 极硬水( Very hard water) ...

硬质水

每日雅思词汇：各种water - 雅思词汇 -... ... 11. drinking water 饮用水 2.hard water 硬质水; 1. distilled water 蒸馏水; ...

应水

网易博客欢迎您-Metalloid Toxicant ... 永久应度 permanent hardness 应水 hard water 软水 soft water ...

例句

Hard water to be used for testing the performance of some household electrical appliances.

某些家用电器性能试验用的硬水

Synthetic detergents, however, may be soluble in both acidic and alkaline solutions and don't form insoluble precipitate in hard water.

合成洗涤剂，然而，可能是溶于酸性和碱性两个解决方案和不形成不溶于水的沉淀在困难的水。

If makes the driving fluid with the hard water, must pass through the conditioning, or uses the solution scavenging pump in certain cycle.

如果用硬水作工作液，须经软化，或在一定周期内用溶液清洗泵。

Sequestrants: to reduce influence of hard water on cleaning efficiency; sodium tripolyphosphate, . . .

螯合剂：用以降低硬水对清洁效果的负面冲击，如三聚磷酸钠…

And while hard water occurs naturally in some parts of the country, it's by no means found in all of them.

虽然美国某些地方天然含有硬水资源，但并不是全美所有地方都有硬水分布。

High iron content(hard water) may result in a brown or rust colored stain, if noticed, towel dry your sink after each use.

含重金属成分的水（重水）会导致厨盆变色或产生锈斑，发现这种现象可以在每次使用完之后用毛巾擦干。

Environmental factors--such as exposure to soaps, hard water and allergens such as house dust mites--are thought to be important.

环境因素如接触肥皂 -硬水，如屋尘螨过敏原 -被认为是重要的。

Accurate method should be to choose alkalescent the weak, silk Mao Zhuan that fights hard water uses scour or be tableware scour catharsis.

正确的方法应该是选用碱性弱、抗硬水的丝毛专用洗涤剂或是餐具洗涤剂洗涤。

Hard water can discolor white clothes; adding vinegar or a water softener to your rinse cycle will soften the water.

质地比较硬的水会造成白色衣物染色；清洗过程中加入醋或水软化剂来将水软化。

excellent adaptability hard water can reduce mineral deposits.

优异的硬水适应性，可以减少矿物质沉积。

Hard water has a high mineral content. Most of the dissolved minerals are either calcium or magnesium.

水之矿物质含量较高，其溶解性金属以钙及镁为主。

Hard water inhibited significantly the growth of poinsettia.

硬水显著抑制一品红生长。

road vehicles . cooling fluids . test methods . part 6 : measurement of compatibility with hard water.

道路车辆。冷却流体。试验方法。第6 部分：硬水相容性的测定。

"A water softener may help your plumbing, but it's hard water that is better for your health, " she says.

“也许软水能使水管畅通，但硬水更有益于健康。”她说。

the curdy precipitate made by soap in hard water is the calcium or magnesium salt of the fatty acid in the soap.

在硬水冷凝过程中产生的凝结物是肥皂中的脂肪酸产生的钙盐或镁盐。

Suitable for hard water, free from sand gravel influence.

适用于硬质水，不受碎石或沙粒影响。

Most hard water or lime scale removers are only acidic cleaners .

大多数水碱或水垢清除剂只是酸性清除剂而已。

The exchanging device is for reducing the hardness of hard water.

水处理设备）是用于降低水中的硬度。

soft water , or no higher than medium - hard water , is best for this biotope.

软水或不高于中等硬度的水是最适合生态鱼缸的。

"If you live in a hard water area, use cooled boiled water from the kettle, " says Richards.

“如果你是生活在硬水区，要使用水壶中冷却的煮沸的水，”Richards 说。

Also, soaps from insoluble salts in hard water, such as water containing magnesium, calcium, or iron.

同时，肥皂水溶盐从坚硬，比如水含镁、钙、铁。

But he still he is swallowing own hard water.

但是他还是自己在吞着自己的苦水。

Hard water furs the kettle.

硬水使壶生水垢。

Chemical Stability: For hard water, salt, acid has a good stability, case of alkaline hydrolysis is easy.

化学稳定性：对硬水、盐、酸具有良好的稳定性，遇碱则易水解。

更新时间：2025-04-30 01:17