1·Also, in surface water, there is a weak acid, carbonic acid, not sulfuric acid, but carbonic acid that helps dissolve the rock.
另外，在地表水中存在一种弱酸，它是碳酸，而不是硫酸，而且是能帮助溶解岩石的碳酸。
2·Latex industrial gloves, apply only to weak acid concentration is not high sulfuric acid and various salts, have no contact with strong oxidizing acids (nitric acid, etc.).
乳胶工业手套只适用于弱酸，浓度不高的硫酸和各种盐类，不得接触强氧化酸(硝酸等)。
3·Boric acid, H3BO3, is a weak acid that generally has the form of a soft, smooth, white solid.
硼酸，H3BO3，通常情况下是以柔软的、光滑的、白色固体的形式存在的弱酸。
4·A white weak acid that is a hydrated form of titanium dioxide.
一种白色的弱酸，是二氧化与水结合的形式。
5·The influencing factors for the jumping range of weak acid(base) titration were discussed by the formulas.
并根据公式对弱酸（ 碱） 滴定突跃范围的影响因素进行探讨。