The water can be softened by adding a chemical.
添加化学品能使水变软。
Melamine, a chemical used in the making of plastic, was found in the baby formula; it later emerged that unscrupulous manufacturers had been adding it to food products to cheaply boost protein values.
这类奶粉中发现含有三聚氰胺，它是一种制造塑料的化学物质，后来被无良厂家添加到食品里以降低向其中添加蛋白质的成本。
Changes in the input voltage lower the barrier and increase current flow in transistors, just as adding an enzyme to a chemical reaction speeds it up.
改变输入电压能降低屏障并增加晶体管电流，正如加入酶使化学反应加速一样。
Academic experts said the process of adding sulfate was likely one that would require at least a basic chemical manufacturing facility.
有学术专家指出，至少要有基本的化工制造设备才能进行此类硫化处理。
The practice of adding the industrial chemical melamine to milk 'has existed for a long time in this industry.
郭浩说，在牛奶中添加三聚氰胺化工原料的做法在业内早已有之。
In addition to adding sweetness, the honey helped brown the duck skin, taking advantage of chemical reactions described by Louis-Camille Maillard a century ago.
除了增加甜味，加入蜂蜜，利用一世纪以前Louis -CamilleMaillard描述的化学反应使得鸭肉表皮变为褐色。
The invention belongs to the technical field of oxidation synthesis and discloses a chemical method for high-selectivity oxidation and oxygen-adding open loop of catechol substance.
本发明属于氧化合成技术领域，公开了一种邻苯二酚类物质高选择性氧化和加氧开环的化学方法。
The neurotransmitter acetylcholine, a brain chemical already established as being crucial for learning and memory, appears to be the key to adding details to a memory.
大脑分泌的神经递质-乙酰胆碱已被确定在认知和记忆方面具有重要作用，是增强记忆力水平的关键。
The applying of both bacteria fertilizer and chemical fertilizer revealed a certain extent of incomplete adding status.
双因子的复合施用存在着一定的不完全叠加效果。
The applying of both bacteria fertilizer and chemical fertilizer revealed a certain extent of incomplete adding status.
双因子的复合施用存在着一定的不完全叠加效果。
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