19. Fast analysis of perchlorate was carried out by ion-pair chromatography using a silica-based monolithic column and direct conductivity detection.
研究了用硅胶整体柱和直接电导检测的离子对色谱快速分析高氯酸盐的方法。
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20. A process of electrolytic synthesis of sodium perchlorate from sodium chlorate solution by lead dioxide anode based titanium metal is introduced.
介绍了以钛基体二氧化铅作为阳极,电解氯酸钠合成高氯酸钠的过程。
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21. Structure fluorine perchlorate should be analogous to perchloric acid, but with the replacement of the lone hydrogen atom with an atom of fluorine.
含氟高氯酸盐应类似于高氯酸,但更换唯一的氢原子与氟原子。
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22. Determining the main contents of finished potassium perchlorate product by potentiometry had the advantages of simple operation and pollution-free.
本文利用电位滴定法测定高氯酸钾的含量,具有操作简单,无污染等优点。
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23. Results 25 out of 29 patients and 4 out of 28 normals were abnormal in perchlorate washout test, one positive rate was 86. 2%, the other was 14. 3%.
24. Eleven solid quaternary complexes of rare earth perchlorate with diphenyl sulfoxide (L) and benzoic acid (L') have been synthesized and characterized.
本文首次合成并表征了高氯酸稀土与二苯基亚砜、苯甲酸的十一种四元配合物。
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25. "Considered in isolation, these perchlorate concentrations in formula are not concerning for child health," Sathyanarayana wrote in an E-mail to ABC News.
26. "Perchlorate contamination of drinking water is a very serious concern, particularly for infants," said Dr. Anila Jacob, an Environmental Working Group scientist.
27. "Perchlorate contamination of drinking water is a very serious concern, particularly for infants," said Dr. Anila Jacob, an Environmental Working Group scientist.
Only the perchlorate shows marked sensitiveness and possibly initiating properties. 只有高氯酸盐表现有显著的感度和可能具有起爆性能。
It's a worry because perchlorate can interfere with the production of thyroid hormones by inhibiting the absorption of iodine. 高氯酸盐是火箭液体燃料的主要成分,由于它会抑制碘的吸收进而影响甲状腺激素的分泌,因而引起了人们的担忧。