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：研究氯化鋁(AlCl_3)染毒對大鼠心臟的毒性及鋁螯合劑1，2-二甲基-3-羥基-4-吡啶酮的保護(hù)作用。

ObjectiveTo explore cardiac toxicity in rats exposed to aluminum chloride (AlCl3), and to evaluate the protection of 1,2dimethyl3hydroxy4pyridone against toxicity.

目的研究氯化鋁（AlCl3）染毒對大鼠的心臟毒性及鋁螯合劑1，2二甲基3羥基4吡啶酮的保護(hù)作用717午夜理论电影网。

In the first step of thedouble annulation route, 2-amino-3-carbamoyl-5,6-dihydro-4-pyridones 2 werecreated in high to excellent yields by a formal [5C + 1N] annulation reaction ofketene--acetals 1 with ammonia.

第一步，二硫縮烯酮1和氨源通過[5C + 1N]加成反應(yīng)產(chǎn)率極高的得到了2-氨基-3-氨基甲鮳w黄色一级视频；?5湿女孩视频网站，6-二氫-4-吡啶酮2。

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-羥基-2-吡啶酮的重氮化反應(yīng)及其重氮鹽發(fā)生偶合反應(yīng)的條件精品国产黄色片在线观看，確定了重氮鹽的結(jié)構(gòu)十八岁成年网站。

Degradation products had an apparent characteristic absorption peak at 520 ran, which was caused by the keto form for STCP.

降解產(chǎn)物在525nm處出現(xiàn)的特征峰是STCP的異構(gòu)體吡啶酮類化合物引起的。

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.

通過簡正分析66j8c，指認(rèn)了吡啶酮環(huán)和氨基的特征振動頻率国产A片色色电影，討論了引起計(jì)算數(shù)據(jù)與實(shí)驗(yàn)結(jié)果差異的主要原因。

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.

報(bào)道了四個富氮-15吡啶酮偶氮染料的氮-15核磁共振中β-氮原子的化學(xué)位移黄片毛片试看，研究了氮-15原子和pH值之間的關(guān)聯(lián)亚洲最大无码中文字幕在线。

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.

通過DTA、耐曬及耐溶劑浸取等實(shí)驗(yàn)手段研究了染料的結(jié)構(gòu)與性能之間的關(guān)系欧美AⅤ免费。實(shí)驗(yàn)結(jié)果表明秋葵视频卓版安装，蒽醌類染料的耐熱性能、耐曬性能優(yōu)于偶氮類染料求可以在线观看的不卡的黄色av网站；以吡啶酮為偶合組分的偶氮染料的性能優(yōu)于其他系列的偶氮類染料一级少妇A片无。

In the first part, the prototropic hydroxy-oxo tautomerisms of 2 (1H)- pyridones/2-hydorxypyridines, one of the most important model systems in molecular biology, have been investigated with self-consistent reaction field method based on continuum model. The influence of the nature and position of substituent groups, the existence of intramolecular hydrogen bonding and tautomeric competition between 2-hydroxy and 4-hydroxy on the tautomeric equilibria have also been examined.

第一部分，首先從溶劑敏感的異構(gòu)化性質(zhì)入手曰本黄色视频免费观看，用基于連續(xù)介質(zhì)的自洽反應(yīng)場理論方法對一類重要的生化模型體系—2（1H）-吡啶酮／2-羥基吡啶互變異構(gòu)體系進(jìn)行了研究，系統(tǒng)地考察了取代基性質(zhì)一道本在视频线高清无码、取代基位置激情图片!激情小说、分子內(nèi)氫鍵的形成以及互變異構(gòu)競爭的存在對異構(gòu)化平衡的影響。

There are some isomeric compounds of hydroxypyridinone. The compounds of 2-hydroxy-6-pyridinone have been used to dyestuff and pesticide widely. The compounds of 3-hydroxy-2-pyridinone and 3-hydroxy-4-pyridinone are paid attention to, because they are very useful heavy metal chelations. Especially, they are wonderful candidate medicament for the toxicosis of depleted uranium, so they can settle the DU jeopardize to the people.

羥基吡啶酮化合物有不同的同分異構(gòu)體国产一级无码毛片，2-羥基-6-吡啶酮已被廣泛用于染料和農(nóng)藥行業(yè)最新91视屏在线免费，而3-羥基-2-吡啶酮和3-羥基-4-吡啶酮也引起了人們的重視，因?yàn)檫@兩種異構(gòu)體的化合物是非常理想的重金屬絡(luò)合劑亚洲精品自拍视频网，尤其重要的是全国最大的黄色网站，它可作為解決貧鈾中毒的候選藥物，有望解決戰(zhàn)爭中由于貧鈾中毒帶來的危害一级毛片免费看高清视频在线。

androsterone：雄甾酮

Amprolium氨丙嘧吡啶 | Androsterone雄甾酮 | Apramycin阿伯拉霉素

muscone：香酮

化學(xué)成分 麝香仁主含麝香酮(muscone),含量約0.9%~3%,為無色液體,具麝香特有的香氣;并含麝香吡啶,11種雄甾烷(androstane)衍生物類如雄性酮(androsterone)一级毛片免费黄色视频、表雄酮(epiandrosterone)等.

picoline benzyl ammonium chloride：甲基吡啶芐基氯化銨

甲基吡咯烷酮羧酸十二烷酯 lauryl methyl PCA | 甲基吡啶芐基氯化銨 picoline benzyl ammonium chloride | 加防腐劑的聚硅氧烷消泡劑乳液 silicone defoamer emulsion with preservatives

trental：已酮可可堿

()血管活性及溶栓藥物:小劑量阿斯匹林可使腦卒中的發(fā)生率下降%左右,也可以試用噻氯吡啶(Ticlopidine)、甲磺酸二氯麥角堿(co-dergocrine)狼友视频-首页、已酮可可堿(Trental)等.

cyclopentanone：環(huán)戊酮

3-吡啶甲醛 3-pyridine carboxaldehyde | 環(huán)戊酮 Cyclopentanone | 3-巰基丙酸 3-Mercaptopropionic acid,

isopulegone：異洋薄[荷]酮

異洋薄[荷]醇;2-異丙烯-5-甲環(huán)己醇 isopulegol; 2-isopropenyl-5-methyl-cyclohexanol | 異洋薄[荷]酮 isopulegone | 異喹啉;苯并[c]吡啶 isoquinoline

pyridone：吡啶酮;羥基吡啶

pyridinoprotein enzyme 吡啶蛋白酶 | pyridone 吡啶酮;羥基吡啶 | pyridoxal 吡哆醛;維生素 B6

LAURYL PYRROLIDONE：月桂基吡咯烷酮

LAURYLPYRIDINIUM CHLORIDE 月桂基吡啶氮鎓氯化物 | LAURYL PYRROLIDONE 月桂基吡咯烷酮 | LAURYL STEARATE 月桂醇硬脂酸酯

thienone：噻嗯酮

Thiele silk 錫爾銅銨人造絲 | thienone 噻嗯酮 | thienpydin 噻乙吡啶

luteol; lutein; progesterol：助孕甾酮;黃體素

葉黃素 lutein; xanthophyll; luteochrome | 助孕甾酮;黃體素 luteol; lutein; progesterol | 二甲吡啶酮 lutidone