查询词典 pyridone

Objective:To explore the cardiac toxicity in rats exposed to aluminum chloride(AlCl3),and the inhibition of 1,2-dimethyl-3-hydroxy-4-pyridone.

目的：研究氯化铝(AlCl_3)染毒对大鼠心脏的毒性及铝螯合剂1，2-二甲基-3-羟基-4-吡啶酮的保护作用。

The diazotization condition of 4-methyl-1-ethyl-3-cyano-5amino-6-hydroxy-2-pyridone and coupling condition of its diazo salt were researched, and the structure of its diazo salt was confirmed.

研究了4-甲基-1-乙基-3-氰基-5-氨基-6-羟基-2-吡啶酮的重氮化反应及其重氮盐发生偶合反应的条件，确定了重氮盐的结构。

The above 4 p-aminophenylsulfonylalkylamines were diazotized and then coupled with pyridone derivati...

在染色条件下，经过120分钟染色，4支染料在聚丙烯纤维上的上染率分别为52.1％、58.1％、60.5％和55％。

The characteristic vibration modes of pyridone ring and amino group were showed with normal mode analysis, the reason for the difference between theoretical bands and experimental spectrum was discussed.

通过简正分析，指认了吡啶酮环和氨基的特征振动频率，讨论了引起计算数据与实验结果差异的主要原因。

The chem. shifts of b-nitrogen atom in 15N-NMR spectra of four 15N-enriched pyridone azo dyes were reported and the correlation between the chem. shifts of 15N atom and the pH values was studied.

报道了四个富氮-15吡啶酮偶氮染料的氮-15核磁共振中β-氮原子的化学位移，研究了氮-15原子和pH值之间的关联。

A novel complex of Ni (3-PyOH)4Cl2 (3-PyOH=-pyridone) was synthesized by the reaction of NiCl26H2O and 3-hydroxypyridine in an alcohol solution, and characterized by elemental analysis, IR spectrum and single crystal X-ray diffraction.

利用氯化镍和3-羟基吡啶在乙醇溶液中反应得到了配合物Ni(3-PyOH)4Cl2（3-Pyon=3-羟基吡啶），并对其进行了元素分析、红外和单晶X射线的表征。

The relationships between the structures and properties of dyes were studied via DTA, light permanency and solvent resistance test which indicated that anthraquinone dyes were better than azo dyes in heat resistance and light permanency and the azo dyes in which the coupling components were pyridone were better than the other azo dyes.

通过DTA、耐晒及耐溶剂浸取等实验手段研究了染料的结构与性能之间的关系。实验结果表明，蒽醌类染料的耐热性能、耐晒性能优于偶氮类染料；以吡啶酮为偶合组分的偶氮染料的性能优于其他系列的偶氮类染料。

The charges on the substituents affected OWF〓 greatly for some azobenzene derivatives, pyridone derivatives, nitrodiphenylamine derivatives, some reactive dyes and 1, 4-diamino anthraquinone derivatives, in this instance, OWF〓 changed linearly with the change of the charges.

2给电子取代基或吸电子取代基的电荷对OWF〓有较大的影响，OWF〓随电荷的变化而线性变化，如某些偶氮苯衍生物、吡啶酮类染料母体、硝基二苯胺类化合物、偶合组分和重氮组分之间夹角α变化不大的活性染料、1，4—二氨基蒽醌衍生物等。

The nitrogen in the coal exists in the forms of pyridine (N-6), pyrrolic and pyridone (N-5), quaternary nitrogen and nitrogen oxides. The N-Q near 401.5eV is assigned to a protonated or oxide form of pyridinic nitrogen. On this basis, the nitrogen in six-membered rings is the dominant in Yibin coal.

研究结果表明，宜宾煤中氮的官能团有4种，即吡啶(N-6)、吡啶(N-5)、质子化吡啶和氮氧化物，其中吡咯含量最大，煤中的N-X就是N-O，是煤中吡啶结构氮与氧直接结合的结果。

So the 2-pyridone adduct tautomers are easy to separate and identify by GC/FTIR.

氧位加合物与氮位加合物之间，红外光谱差别十分明显，容易区分。

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