Experimental results show that C4-C14 bond of cyclopentadiene-menadione adduct is weakened by the steric effect of its angular methyl group through the crystal structural analysis.
晶体结构分析显示环戊二烯-甲萘醌加合物的C4-C14键被它的角甲基空间效应所弱化,热分析(TG-DSC)研究显示在130℃该加合物的逆Diels-Alder反应趋势得到加强。
The effect of menadione on the accumulation of CAT by Thermoascus aurantiacus was investigated.
研究了添加甲萘醌对嗜热子囊菌(Thermoascusaurantiacus)IFO9862合成过氧化氢酶(CAT)的影响。
A method of determination of menadione in fodder by UV spectrophotometry was reported.
研究了用紫外分光光度法测定甲萘醌在饲料中含量的方法 ,探讨了测定过程中有关条件的变化对测定的影响 ,获得了适宜的测定条件 :紫外光吸收波长为 2 50± 2nm ,在所测的浓度范围内有良好的线性关系和回收率。
The inactivation of chironomid larvae in water supply systems was experimented with environment degradable vitamin K3,its main component 2-methyl-1,4-naphthoquinone(MQ),and their congener menadione triamintriazine bisulphite(MTB).
采用易被环境分解的维生素K3、其基本成分β-甲基萘醌(MQ)和同系物三氨基三嗪甲萘醌亚硫酸盐(MTB),对在给水系统中出现的4龄摇蚊幼虫进行了杀生实验。
Preparation of β-methyl-naphthoquinone with Oxidated β-methyl-naphthalene;
β-甲基萘氧化法制备β-甲萘醌
In this study,by optimizing and analyzing the conditions of mass spectrum,a sensitive qualitative analytical method has been developed for identification of ubiquinone(UQ-n(H x))and menaquinone(MK-n(H x)) by liquid chromatography-atmospheric pressure chemical ionization mass spectrometry in negative mode(LC-NI-APCI-MS)using standard samples UQ-6,UQ-10 and Vitamin K 1.
以UQ 6,UQ 1 0和VitaminK1 作为研究对象 ,建立了固相萃取LC MS定性分析微生物呼吸甲基萘醌 (MK n(Hx) )和泛醌 (UQ n(Hx) )的方法 ,并用此法定性分析了厌氧活性污泥中的微生物呼吸醌 。
The two major types of bacterial isoprenoid quinones are menaquinones and ubiquinones.
甲基萘醌和泛醌是其中较为重要的两类化合物。
Production 1, 2 hydroxy beta 4- formic acid, a beta consignment sales produced products.
生产1、4-二羟基萘甲酸、甲萘醌，销售自产产品。
Feed additive--Vitamin K3 (menadions sodium bisulfite)
GB7294-1987饲料添加剂维生素K3(亚硫酸氢钠甲萘醌)
In acid medium,I is recovered in 80,75,and 25 per cents respectively.
在酸性溶液中,甲萘醌(Ⅰ)的回收率分别为80,75及25％。
HPLC Determination of Menadione Sodium Bisulfite in Menadione Sodium Bisulfite Injection
HPLC法测定亚硫酸氢钠甲萘醌注射液的含量
Progress of 2-Methyl-1,4-Naphthoquinone and Prospect in Green Chemistry Synthetic Technologies
β-甲萘醌合成研究进展及绿色化学法制备展望
Study on Preparation of β-Methylnaphthoquinone by Oxidation of β-Methylnaphthalene with Hydrogen Peroxide;
过氧化氢氧化β-甲基萘制取β-甲基萘醌的工艺研究
Study on Preparation of 2-methylnaphthoquinone-1, 4 by "In-Cell" Indirect Electrooxidation;
“槽内式”间接电氧化制备2-甲基-1，4-萘醌的研究
Determination of content of β-methylnaphthoquinone with HPLC
高效液相色谱法测定β-甲基萘醌的含量
Preparation of 5,8-Dimethoxyl-1,4-Naphthoquinone-6-Formic Acid Derivatives and Studies on Their Antitumor Activities;
5，8-二甲氧基-1，4-萘醌-6-甲酸类衍生物的合成及其抗肿瘤活性研究
Study of Sensitization of Cationic Surfactant for Spectrophotometric Determination of Carbocisteine with Sodium 1,2-Naphthoquinone-4-sulfonate
阳离子表面活性剂增敏1,2-萘醌-4-磺酸钠光度法测定羧甲司坦
potassium 1, 2--naphthoquinone--4--sulfonate
1, 2-萘醌-4-磺酸钾
ESR spin elimination research on reaction of triplet state of VK_3 with nucleic acid derivatives
2-甲基1,4-萘醌激发三重态与核酸反应的电子自旋共振自旋消减法研究
Methedology Development on the Synthesis of Aminonaphthoquinone and Benzodiazepine-fused Naphthoquinone Derivatives;
胺基萘醌及萘醌苯并二氮卓类衍生物的合成方法研究
Developing Trendy and Synthetic Design of Natural Naphthaquinone Dyestuff;
萘醌天然染料的研究现状与开发设计
2-hydroxy-3-naphthoic acid
２－羟基－３－萘甲酸
naphtyl formate
甲酸十氢-β-萘酯
1,4-benzoquinone-N-benzoylhydrazone oxime
１,４－苯醌－Ｎ－苯甲酰腙肟
A Simple Synthesis of Diseleno-bis-naphthoquinone Compounds and Its MS Study
二硒(或碲)二萘醌化合物的合成及质谱研究