hard water
英 [hɑːd ˈwɔːtə(r)]
美 [hɑːrd ˈwɔːtər]
n. 硬水
双语例句
- It can also be good for your vaporizer: The vinegar will clear away any mineral deposits in the water tubes resulting from the use of hard water.
醋可以消除因长期使用硬水而沉淀在水管里的水垢。 - Secondly, it has the features of low foam, hard water resisting and readily rinsing, The cleaning strength redoubles.
第二，该种洗衣服使用时泡沫低，耐硬水，有容易漂洗的特点，洗净力倍增。 - Attachment: If the wash water to hard water, soap lotion dosage should be appropriately increased.
附：若洗涤用水为硬水，皂洗剂用量应适当增加。 - Hard water which can be softened by adding sodium carbonate is called permanent hard water.
经过加入碳酸钠能被软化的硬水，称为永硬水。 - For the unique hard water in Dunhuang that permeates along slender crevices, there is not a single opening which it does not enter. Any soluble substance in the rock stratum will be solved and carried away in all directions.
敦煌独特的硬水，顺着细小的缝隙无孔不入地渗透，再把岩层中的可溶性成分溶解后四处搬运。 - Determination of stability in hard water work to stabilize the low Birth rate
在硬水中稳定性的测定努力稳定低生育水平 - Hydraulic cement [ mortar] Hard water furs the kettle.
水硬水泥[灰泥]硬水使水壶生水垢。 - Dishwasher lye, in its special formula can effectively remove hard water stains and safety of the aluminum.
洗碗机碱液，其特别配方能在中硬水质中有效地去除污渍及对铝质安全。 - Hydraulic cement [ mortar] Surface active agents& Determination of stability in hard water
水硬水泥[灰泥]GB/T7381-1993表面活性剂在硬水中稳定性的测定 - Lateral Attenuation of Aircraft Sound Levels Over an Acoustically Hard Water Surface
在声学上硬水表面上方飞机声音强度的侧向衰减 - Where hard water only is available this shall be softened.
仅有硬水的情况下，应将硬水软化。 - Synthetic detergents generally work very well in hard water.
合成洗涤剂通常在硬水中很有效。 - Development of corrosion and scaling inhibitors suitable for circulating water systems with high hardness and high alkalinity They help remove tarnish and other corrosion from metals; they also remove hard water deposits, and discoloration and corrosion from metals.
高硬高碱循环水系统缓蚀阻垢剂的开发它们可用于去除金属制品的污垢和锈蚀，使其恢复光泽，也可以除去硬水的水垢。 - Surface active agents& Determination of stability in hard water
GB/T7381-1993表面活性剂在硬水中稳定性的测定 - The effects of rust inhibitors, hard water and surfactants on synthetic cutting fluid were investigated.
结果表明，选择合适的功能添加剂调配的合成切削液防锈性能较好，并适应较高硬度的水。 - Hard water contains high concentrations of minerals and other substances that may provoke allergic reaction.
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。 - Suitable for hard water, free from sand gravel influence.
适用于硬质水，不受碎石或沙粒影响。 - Equal cleanness in cold, hot or hard water. hardening something by heat treatment.
适用于冷热水与硬水：。通过热处理使某物变硬。 - Widely used in hard water areas Shu.
广泛庶用于硬水地区。 - An insoluble calcium salt of stearic acid and palmitic acid; it is formed when soap is mixed with water that contains calcium ions and is the scum produced in regions of hard water.
硬脂酸和棕榈酸的不溶的钙盐，在肥皂与含有钙离子的水混合时形成，是硬水地区产生的浮渣。 - Hard water significantly inhibits growth and decreases quality of potted flowers.
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。 - Based on the principle of ion exchange, fibre spinning acid washing water is applied to replace salt and mirabilite, so as to regenerate sodium ion exchange resin. The calcium ion and magnesium ion can be removed from hard water.
根据离子交换原理，利用纺丝去酸水代替食盐、芒硝再生钠离子交换树脂，可以去除硬水中的钙离子和镁离子。 - The fatliquor has good stability in acid, alkali, salt and hard water, high content of active substance, and strong combining force with leather.
该加脂剂在酸、碱、盐、硬水中稳定性良好，活性物含量高，与皮革纤维结合能力强。 - Focusing on fouling problems of heat exchanger due to using high alkali and hard water as circulating cooling water in Harbin Beer Co., Ltd, the method of chemical water treatment was studied with static, rotating hang-up teat and dynamic simulating test in the paper.
针对哈尔滨啤酒有限公司采用高碱度、高硬度水质作为循环冷却水补水对换热器造成的结垢问题，用静态、旋转挂片试验和动态模拟实验方法研究了循环冷却水化学处理的方法。 - Hard water inhibited significantly the growth of poinsettia.
硬水显著抑制一品红生长。 - 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.
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。 - We, through perambulation and theoretical analysis, found it is questions that the hard water formed the scale that caused heat to transmit insufficiently, influenced the normal running of the whole apparatus finally.
通过实地勘查、理论分析得出，硬水结垢的问题导致热量传递不足，最后影响了整个设备的正常运行。 - Sodium polyacrylates are the new generation of non-phosphorous detergent builders which have many advantages such as excellent detergency, resistance to hard water and non-toxicity, but their degradability is poor, so they also can cause environmental problems because of their long-term accumulation in environment.
聚丙烯酸钠作为新一代的无磷洗涤助剂，具有去污力强、抗硬水能力好、无毒无腐蚀等优点，但降解性不好，因而在环境中长期积累也会引起环境问题。 - Then the second question arises, the measured strain is the strain of the fast hard water mud layer, how will the strain be translated to the strain of the specimen itself.
这样就产生了第二个问题，应变片所测得的是快硬水泥浆层的应变，如何才能将水泥浆层的应变转化为试件本身的应变。 - According to natural water hardness classification, the region most major and tributary basin of water, are mostly soft water, cold springs, hot springs, wells and more for the medium hard water.
依据天然水的硬度分类表，区内主要流域及支沟水多为软水，冷泉水、温泉、井水多为中等硬度的水。
英英释义
noun
- water that contains mineral salts (as calcium and magnesium ions) that limit the formation of lather with soap