It was a glycoprotein containing 2.7% sugar by phenol-sulfuric acid reaction.

胶原蛋白为一种糖蛋白，经硫酸-苯酚法测定，其含糖量为2.7%。

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The acid gelling of less additive can reduce leak in crack or hole and delay acid reaction to penetrating through farther.

研究出的低聚合物加量胶凝酸体系，降低酸液滤失，实现酸液缓速和深穿透的目的。

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Detailed discussion of acid reaction conditions and the impact of factors, cinder of iron oxide decomposition rate of over 95%.

详细讨论了酸解反应工艺条件及影响因素，使烧渣中的氧化铁分解率达95%以上。

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This painful little reaction is known as acid reflux, and it can be described as comparable to regurgitating molten oatmeal.

FORBES: Magazine Article

Mr. TOM McCOLLOM (Geochemist, University of Colorado): The sulfate salts that are in there come from reaction of the rock with sulfuric acid rather than from evaporation of a fluid.

NPR: Mars Rover Marks Second Anniversary of Landing

In the second stage, lactic-acid molecules are linked into long chains, or polymers, in chemical-reaction vessels, to produce PLA. What Dr Lee and his colleagues have succeeded in doing, as they report in Biotechnology and Bioengineering, is to produce PLA directly, in a one-stage process, in bacteria.

ECONOMIST: Synthetic biology