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- It loses water and converts to pyrophosphate and metaphosphoric acid when being high-temperature heated. 经高温加热便失水生成焦磷酸和偏磷酸，长时间受冷即生成结晶，有腐蚀性，易吸湿，密封保存。
- The underground water is mineral water containing rich trace elements including metaphosphoric acid and strontium.The annual yield will be 50000 tons. 拥有经国家鉴定的富含偏硅酸、锶等微量元素的优质矿泉水资源，年开采量可达5万吨。
- Metaphosphoric acid trisodium salt; 三偏磷酸钠;
- Metaphosphoric acid , potassium salt; 试剂别名：Potassium metaphosphate;
- Keywords polyphosphoric acid;metaphosphoric acid membrane;two-step method;corrosion velocity;oxidization;minimum excess air quantum;hydration;atomization nucleus; 多聚磷酸;偏磷酸膜;二步法;腐蚀速率;氧化;最小空气过剩量;水化;成雾核心;
- 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。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- 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。
- metaphosphoric acid 偏磷酸
- metaphosphoric acid fertilizer 偏磷酸肥料
- metaphosphoric acid membrane 偏磷酸膜
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- 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。
- The acid has eaten through the metal cover. 酸已把金属盖子蚀穿了。
- The worker's overalls were badly burned by acid. 这位工人的工作装被酸腐蚀得很厉害。
- An acid can react with a base to form a salt. 酸可以和碱起反应而生成盐。
