so4

网络释义：四氧化硫；硫酸根

网络释义

1.四氧化硫四氧化硫（SO4），硫的一种氧化物，硫元素显+6价。其中两个氧原子显-2价；另外两个氧原子分别与硫原子形成单键，且两 …

2.硫酸根

1.Stock varieties of 5BB and SO4 as the base stock, Victoria as the inter stock, then grafted on Fantasy Seedless.试验用5BB和SO4作基砧，维多利亚作中间砧，再嫁接奇妙无核品种，研究中间砧对葡萄生长结果的影响。

2.SO4 - 20 polyurethane enamel is the most suitable coating for chromium plated plastics works as compared with the others.与多种涂料比较，SO4-20聚氨酯磁漆最适用于涂装塑料镀铬件。

3.it reacts with oxygen and water to produce tiny droplets of sulfuric acid ( H2 SO4).它会与水和氧反应，产生微小的硫酸液滴。

4.In order to evaluate the wax resistance of SO4 coating, model tests are made with steel plates acting as wax collectors.为了评价SO4涂料覆盖层的防结蜡效果，采用板式结蜡器进行了模拟试验。