Nitrate, which is used to cure meat, has no use as a milk additive, the official China Daily newspaper cited a health bureau official as saying. 《中国日报》援引卫生部门官员的话说,此次事件系亚硝酸盐中毒,而亚硝酸盐是一种食品添加剂,一般在腌肉和制作腊肉时使用,牛奶中通常不会出现这种物质。
The smoke emission progressively decreases when amyl nitrate and isooctyl nitrate are blended as the diesel fuel additive with the ratio of 1 ∶ 2. 将硝酸戊酯和硝酸异辛酯以1∶2质量比配成复合添加剂,能明显降低柴油机碳烟排放。
According to the change of the bonding properties and the content of migrating ingredients at the interface during the accelerated ageing test ( 70 ℃), the effect of migration of nitrate ester and function additive in the NEPE propellant on the bond properties was investigated. 根据70℃下加速老化试验中粘接性能的变化和界面区域迁移组分含量的变化,研究了NEPE推进剂中硝酸酯、功能助剂的迁移对粘接性能的影响。
The experiment and theory all indicates that the effect of ammonium salt as the degumming nitrogen additive is better than the effect of nitrate as the degumming nitrogen additive. 试验和理论都表明,以铵盐作为含氮添加剂的脱胶效果要好于以硝酸盐作为含氮添加剂的脱胶效果。
Choosing the glass of borosilicate system as carrier and silver nitrate as chief antibacterial additive, a new type glass with antibacterial performance and lower softening temperature is prepared by melting method; 选用硝酸银为主要抗菌添加剂,以硼硅酸盐系玻璃为载体,采用熔融法制备具有较低软化温度的新型抗菌玻璃材料。
The results show that naphthenic nitrate is a valuable additive in practical use. 研究结果表明,脂环族硝酸酯作为柴油十六烷值改进剂具有很高的使用价值。
Calcium nitrate 4 hydrate and diammonium hydrogen orthophosphate are selected as initial materials; needle like carbonate containing hydroxyapatite crystals are synthesized by homogeneous precipitation method with urea is used as additive. 选用可溶性的硝酸钙和磷酸氢二铵,在尿素用作添加剂的条件下用均相沉淀法合成了含部分碳酸根的针状羟基磷灰石晶体。
The cerium film was prepared on the fluorinated magnesium alloy via sol-gel method employing cerium nitrate hexahydrate as the precursor and celloidin as the additive. 以六水合硝酸铈为前驱体,以火棉胶为粘度调节剂,在氟化的镁合金表面成功制备了氧化铈薄膜。