2.The sulphuric acid ate into the parts of the metal where the coat of paint had peeled.
硫酸腐蚀这块金属上涂层剥方。
3.By the carbonification degree in the concentrated sulphuric acid, the mineral wax, such as paraffin wax added can be determined.
根据蜂蜡中烃类在浓硫酸中可被炭化,加入石蜡等矿物蜡不被炭化来测定此类掺杂物。
4.Sulphuric acid colour is an important quality index for 2 ethylhexanol (EH) and a difficult point in process control.
硫酸色度是辛醇产品一项重要质量指标,也是产控制中一个难点。
5.Introduces the structure, characteristics of LGQ type gauger, and the situation of measuring water and sulphuric acid in SSP production.
介绍LGQ型计量器结构、性能,以及在过磷酸钙产中用于水和硫酸计量情况。
6.It has discovered that trace dimethyl glyoxime can sensitivly catalyize the discoloration of dimethyl yelloue by potassium bromate in sulphuric acid.