From cooking to cleaning, water is an important aspect of everyday life. While you may not feel the effects of drinking hard water, you may notice the impact it has on your home. Over time, hardness in your working water can cause damage to water-using appliances, including your washing ...
1. Definition of Temporary Hardness: Temporary hardness in water refers to the hardness that can be removed by boiling. It is primarily caused by the presence of certain compounds in the water. 2. Identification of Compounds: The main causes of temporary hardness are the presence of calcium bic...
a hard biscuit or bread made of flour and water without salt hardshipnoun pain entry 1 sense 2a, privation something that causes pain or loss hardnessnoun the quality or state of being hard the ability of a substance (as a mineral) to scratch another substance or be itself scratched hardness...
3. (Chemistry) the quality of water that causes it to impair the lathering of soap: caused by the presence of certain calcium salts. Temporary hardness can be removed by boiling whereas permanent hardness cannot Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCo...
Depending on the local geology the hardness of the water supply will vary. The general pattern across the UK means that water supplies are hardest in the south and become softer moving north. What does it mean if I have hard water? Hard water causes scaling in hot water systems, kettles,...
The ingots were vacuum sealed in quartz tubes, homogenized at 1100°C for up to 230 h, and quenched in water. Some of the alloys were aged at 650, 656, 706, 749, and 851°C in vacuum-sealed quartz tubes for various lengths of time. Ni3Ge particles extracted for electron diffraction ...
These interrelationships were found to apply not only to the mortality due to cardiovascular diseases but sometimes also to the total mortality and further causes of death. Also, with respect to other substances contained in drinking water, valid, repeatedly confirmed interrelationships between them and...
Table I gives the results for the leading causes of death, and some others of special interest, in middle age and at 65-74. Attention may be drawn to several features. There are striking correlations (part I, line 1), all negative, between water hardness and total cardiovascular mortality...
a8.Excessive squeezing of water connection elements in the course of montage causes water leakages on account of being damaged of elements.[translate] athe password must match 密码必须配比[translate] a11.Wipe the surface of radiator with a wet cloth. Do not use any chemical cleaning item.[transl...
11、This process removes the waterhardness.(这一工艺去除水的硬度。) 12、Thehardnessof ice is similar to that of concrete.(冰的硬度和混凝土差不多。) 13、Of course, all this needs to be adjusted according to the actualhardnessof the chocolate.(当然,所有这些都必须根据巧克力的实际硬度来调节。)...