The sulphuric acid ate into the parts of the metal where the coat of paint had peeled.
硫腐蚀了这块金属上涂层剥
地方。
The sulphuric acid ate into the parts of the metal where the coat of paint had peeled.
硫腐蚀了这块金属上涂层剥
地方。
Sulphuric acid colour is an important quality index for 2 ethylhexanol (EH) and a difficult point in process control.
硫色度是辛醇产品
一项重要质量指标,也是生产控制中
一个难点。
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
中可
化,加入
石蜡等矿物蜡
化来测定此类掺杂物。
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
钙生产中用于水和硫
计量
情况。
It has discovered that trace dimethyl glyoxime can sensitivly catalyize the discoloration of dimethyl yelloue by potassium bromate in sulphuric acid.
研究发现,在硫介质中,超痕量二甲基
二醛肟能灵敏地加速溴
钾氧化二甲基黄褪色
指示反应。
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