此外,焊剂中还可以加入含氟表面活性剂,以进一步提高焊膏的保存稳定性。
超标的40个水样采集区,多为氟斑牙流行区,病情较轻。
结果除老玉米和辣椒氟含量超标外,其余品种均未超过国家氟允许量标准。
掺氟DLC膜在憎水性、耐蚀性、热稳定性和降低介电常数等方面更为优异;
1·Objective: To research the curative effectiveness and safety of muscle injection for curing children fluorin acetamide poisoning.
目的:探讨乙酰胺肌注治疗儿童氟乙酰胺中毒的疗效与安全性。
2·Condusion: Vsing muscle injection of acetamide can cure the patients with fluorin raticide poisoning in the early period, the curative effect and safety were fairly good.
结论:对有机氟类灭鼠药中毒早期使用肌注乙酰胺治疗,疗效较好,安全性好。
3·IHF fluorin plastic chemical centrifugal pump is single -stage single-suction pump, it is designed according to standard of ISO2858.
IHF型氟塑料化工离心泵为单级单吸式离心泵,参照国际标准ISO 2858标准设计。
4·The analysis of fluorocarbon resin content in fluorocarbon lacquer by using oxygen bomb burning method with fluorin ion electrode are discussed in detail.
采用氧弹燃烧法配合氟离子电极对有机溶剂型和水溶性氟碳漆中氟碳树脂含量的分析方法进行了研究。
5·Fluorin element is one of 14 necessary trace elements in body.
氟是人体必需的14种微量元素之一。