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- " Rubber, vulcanized--Determination of carbon black content--Nitric acid digestion method" GB/T7766-1987硫化橡胶中炭黑含量的测定硝酸消化法
- nitric acid digestion 硝酸消化法
- The nitric acid changed the cuticle of his mouth to a yellow color. 硝酸将他口腔里的护膜变成了一种黄颜色。
- Nitric acid forms hydrates with water. 硝酸与水形成水合物。
- Nitric acid molecules are linked by hydrogen bonds. 硝酸分子以氢键互相连结。
- Anhydrous nitric acid is dissociated. 无水硝酸是电离的。
- SUPER PURE NITRIC ACID SPECIFICATIONS. 特纯硝酸。技术条件。
- The results show that pretreatments with digestion using nitric acid and perchlofic acid, microwave digestion using nitric acid were suitable to determine cadmium in cucumber. 结果表明:利用湿式消解法和微波消解法作为前处理方法测定黄瓜中重金属镉的准确度和精密度较高。
- Silver azide does not dissolve in water or in nitric acid. 叠氨化银不溶于水或硝酸。
- Aliphatic hydrocarbons can be nitrated even with 13% nitric acid. 脂肪酸甚至能被13%25的硝酸硝化。
- Phenols and anilides can be nitrated with very dilute nitric acid. 酚类和酰基苯胺能被极稀的硝酸硝化。
- The Application of On-line Monitoring System to Nitric Acid Plant. 工业在线监控系统在硝酸厂的应用在硝酸厂中所起的功效。
- When nitric acid is poured on copper,a brown vapor gives off. 将硝酸倒在铜上,会散发出一种棕色的蒸气。
- When nitric acid is poured on copper, a brown vapor gives off. 将硝酸倒在铜上, 会散发出一种棕色的蒸气。
- The results indicate that the recoveries of iodine are different in different acid digestion conditions. 结果表明:在不同酸消化条件下碘的回收率差别很大。
- The four methods for nitric acid offgas treatment are evaluated. 对4种硝酸尾气治理方法进行了评价。
- The results of determination were compared with those of acid digestion at atmosphere and both of them are same. 该法准确、快速、简便 ,与常压酸消解法比较 ,结果基本一致 ,已用于蘑菇中痕量铅的测定
- Methods The nitric acids fromdifferent habitats were used to carry on the blank test with the perchloric acid,the digestion blank value was assayed. 方法:使用实验室现有不同产地的硝酸与高氯酸进行空白试验,测定消化空白值。结果:不同产地的硝酸参与消化,测定铁锌的空白值有差异;
- Nitric acid was added to the samplesin aclosed digestion vessel and then digested in a microwave oven. 建立了用微波消解-原子吸收光谱法测定汽油中铁的方法。
- Aquatint:It is an etching process on copper or steel by means of nitric acid. 水彩色调:用硝酸在钢片或铜片上作腐蚀的蚀刻法。