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- After the samples were digested by strong oxygenate acid and reduce to atomic mercury with KBH_4,determination of mercury in foods with atomic fluorescence spectrophotometry(AFS). 参照食品中总汞及有机汞测定标准,对采用原子荧光光谱法测定食品中总汞的几个主要测定参数进行探讨。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Study on the Oxidation and Reduction of Oxygen Acid of Nonmetal and Its Oxysalt 非金属含氧酸及其盐的氧化还原性
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Mars is too dry and poor in oxygen. 火星上面过于干燥，并且缺乏氧气。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗？那是个严峻的考验。
- The oxygen react vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。
- The oxygen workshop caught fire and set off a chain of explosions. 氧气车间着了火，引起了一连串的爆炸。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- She dropped acid in high school. 她高中时代服迷幻药。
- The metal is fretted with the acid. 金属被酸腐蚀。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
