甲萘醌

The inactivation of chironomid larvae in water supply systems was experimented with environment degradable vitamin K3,its main component 2-methyl-1,4-naphthoquinone,and their congener menadione triamintriazine bisulphite.

采用易被环境分解的维生素K3、其基本成分β-甲基萘醌和同系物三氨基三嗪甲萘醌亚硫酸盐，对在给水系统中出现的4龄摇蚊幼虫进行了杀生实验。

But the author found that there was another impurity in VK_1 and its amount was even larger than menadione in some samples of VK_1 and its amount will obviously increase when exposed to light.

在对维生素K_1的有关物质检查中发现，维生素K_1样品中除杂质甲萘醌外，还有一主要的未知杂质，且在光照的条件下，其量会明显增加。

It's required for VK_1 in the present compendial monographs that the content of menadione should be strict controlled and the other impurities are controlled as related substances using colorimetry or TLC method.

目前各国药典维生素K_1的质量标准中，都是采用比色法或TLC法检查甲萘醌，而其他的杂质则作为"有关物质"同时进行检查。

Stable Vitamin K 3 is synthesized by addition reaction of raw materials of niacinamide, chlorhydric acid and menadione sodium bisulfite at 25℃.

以烟酰胺、盐酸为原料，在 2 5℃反应得烟酰胺盐酸盐溶液，而后与亚硫酸氢钠甲萘醌发生加成反应，反应的物料配比为：n ∶ n ∶ n =1∶1。

The paper presents a study of the inhibitory effects on the growth of Marine Chlorella and toxicity on the luminescent bacteria of Menadione Piperazine Bisulphite and Menadione Triaminotrizine Bisulphite.

研究了哌嗪甲萘醌亚硫酸盐和三氨基三嗪甲萘醌亚硫酸盐对海水小球藻的抑制作用以及对发光细菌毒性试验分析。

Terahertz time-domain spectroscopy has been used to measure the spectral properties of polycrystalline 1,2-naphthoquinone, 1,2- naphthoquinone-4-sulfonic acid sodium salt , Menadione, Plumbagin, Juglone at room temperature.

用太赫兹时域光谱技术研究了室温条件下的萘醌及其衍生物1，2-萘醌、1，2-萘醌-4-磺酸钠、甲萘醌、白花丹素、胡桃醌的光谱特征，得到了各自的吸收谱和折射率。

Menadione piperazine bisulphite; menadione triaminotrizine bisulphte; Marine Chlorella ; luminescent bacteria ; environment-friendly

哌嗪甲萘醌亚硫酸盐；三氨基三嗪甲萘醌亚硫酸盐；海水小球藻；发光细菌；环境友好

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Stable Vitamin K 3 is synthesized by addition reaction of raw materials of niacinamide, chlorhydric acid and menadione sodium bisulfite at 25℃.

以烟酰胺、盐酸为原料，在 2 5℃反应得烟酰胺盐酸盐溶液，而后与亚硫酸氢钠甲萘醌发生加成反应，反应的物料配比为：n ∶ n ∶ n =1∶1.2 ∶1.2 5 ，得到稳定的复合维生素K3 ，收率 95 %。

In addition, pretreatment of Hepa1c1c7 cells with XH significantly inhibited menadione-induced DNA single-strand breaks.

另外，带有黄腐酚的Hepa1c1c7预处理细胞可很好地抑制甲萘醌诱导DNA单链断裂。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了