Surface treatment:spray coating or chemistry treatment.

表面处理：表面喷塑或化学处理。

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By means of screening and physics-chemistry treatment processes of pyrite cinder. the related norms of iron concentrate powder can meet the quality requirements by iron and steel industry.

通过对硫铁矿烧渣的筛选与理化处理，所得到的铁精粉其各相关指标均达到钢铁生产行业对铁精粉的质量要求。

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A good treatment center will review the reasons why the addiction has come about, along with the brain chemistry of it, McDaniel said.

好的治疗中心会讨论上瘾发生的原因，以及相关的脑化学机制，McDaniel说。

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The lye treatment removes the corn bran and also changes the chemistry of the corn making its niacin (one of the B vitamins) more digestible.

NPR: Kernels of Truth About Cornmeal

However, subtle changes to their body chemistry caused by space flight may place them at greater risk if they undergo medical treatment back on Earth.

BBC: 'Hidden health risks' of space travel