Chemical additives in processed foods make the situation worse .

加工食物使用的化学添加剂会使这个情况更加糟糕。

Salt iodization paved the way for other additives .

加碘盐为其它添加剂铺平了道路。

Avoid smoking and chemical additives .

避免吸烟和食用化学添加剂。

Under certain circumstances , antifoam additives can be abnormally depleted .

在某些情况下，抗泡沫添加剂会无缘无故的损失。

They experimented with mineral additives to reduce the temperatures needed to prepare the materials .

他们试验加入矿物添加剂来降低水泥原料所必需的加热温度。