alkali

1. Most of the injuries reported so far have been alkali burns .

到目前为止，大多数的伤亡报告都是由于碱烧伤造成的。

2. It was not quite the sudden shift from litmus red to blue of an acid being neutralised by an alkali , but it was not far off .

虽然不是完全像酸溶液完全被碱溶液中和时石蕊试剂突然从红变蓝那样迅速，但是也差不太多。

3. One of the first inklings that chemistry has an underlying pattern was the discovery , early in the 19th century , of lithium , sodium and potassium-known collectively as the alkali metals .

暗示化学有基本模式的线索还要追溯到19世纪早期，人们发现了被称之为碱金属的理，钠和钾。

4. At the hong kong conference , mr. chen cited chinese miners ' ' sabotage of nature , ' processors ' ' pollution by waste water , slag and gas in smelting and separation ' and the industry 's large-scale use of acid and alkali .

在香港的会议上，陈占恒提到了中国矿产企业对自然的破坏、加工企业在冶炼和分离时产生的废水、废渣和废气污染，以及稀土行业对酸和硷的大规模使用。

5. To get similar characteristics from composites , the carbon fibres are first chemically treated with an alkali which creates lots of tiny pits on their surface . This massively increases their surface area and hence the charge they can hold , but without impairing the physical strength of the material .

要在复合材料上得到相似的特性，碳纤维最先被用来用强碱进行化学处理，在其表面产生出大量极小的坑，这大大增加了它们表面区域的面积，由此能容纳得了电量，而不有损材料物理上的优点。

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