Also, most bottled water doesn’t have fluoride(氟化物), which can make teeth stronger. Kids are drinking more bottled water and less fluoridated tap water, and some say that’s behind the recent rise in bad teeth.Storing is another problem. Placed near heat, the plasti...
Some bottled water has fluoride (氟化物),which protects your teeth.If your tap water doesn't have fluoride,bottled water could be a healthy choice for you.Also,if there were no bottled water,you might drink a soda or a sports drink.Sugary drinks like these are a big p...
aThe results obtained contribute to our understanding of the mobility of fluoride in surface water which has naturally high levels of fluoride, in both the presence and absence of phosphate. 得到的结果对对氟化物的流动性的我们的理解在有自然地高水平氟化物,在出现和缺乏磷酸盐的水面贡献。[translate]...
Fluoride also causes florosis, irregular patches of black pigmentation on teeth, exostoses of skull. The findings have been discussed here.L. V. PrasadV. VineethaK. Aparna ShaikYounous KhanA. Ravi Kumar
The sort of pollutants in your water will determine which filtration technology is best for you. Is the major issue microorganisms (bacteria, viruses, and cysts) or dissolved pollutants like iron, fluoride, calcium, and magnesium in the water? When these questions are answered, one usually fe...
whether people who drink water with low or no fluoride should take a fluoridesupplement, and if water flossers such asWaterpikorPhilips Sonicare Cordless Power Flosserwork better than string floss. Also, find out which types of beverages, and even brands of bottled water, might be harmful to ...
Water (H2O), like hydrogen fluoride (HF), is apolar covalent molecule. When you look at a diagram of water (see Fig. 3-2), you can see that the two hydrogen atoms are not evenly distributed around the oxygen atom. What is the covalent bond for H2O?
aIron(III) fluoride solubility product obtained is independent from ionic strength or pH 铁(III) 氟化物获得的溶度积与离子强度或酸碱度是独立的 [translate] aSupervision unit 监督单位 [translate] atake a wall 正在翻译,请等待... [translate] astand up sit down turn 站立坐下 扭转接触十地面红色 ...
Which of the following substances are colloids? (a) Soapy water (b) Milk (c) Saltwater (d) Silver metal (e) Smog (f) Sand swirled in the water. Determination of Seawater Chlorinity: the Fajans Titration, Fluoride in Seawater Using an Ion Se...
Possible strong acids are sulphuric acid, phosphoric acid, hydrogen chloride, hydrogen fluoride, hydrofluoboric acid and sulphonic acids. Sulphuric acid is most advantageously used. Exclusion of water is to be ensured in all cases. The nitrile is added, in equimolar amounts in a temperature rang...