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(duì)大鼠心臟的毒性及鋁螯合劑1国产JIZZ在线观看，2-二甲基-3-羥基-4-吡啶酮的保護(hù)作用蜜月aⅴ。

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(duì)大鼠的心臟毒性及鋁螯合劑1欧洲免费在线观看视频，2二甲基3羥基4吡啶酮的保護(hù)作用αv欧洲无码在线观看。

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.

第一步凹凸在线导航AV网站，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-氨基甲跞蘸琅芬磺基-5，6-二氫-4-吡啶酮2日韩操B。

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v免费黄色视频，確定了重氮鹽的結(jié)構(gòu)。

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人人漂人人操。

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(jiǎn)正分析国内机关自拍视频在线观看，指認(rèn)了吡啶酮環(huán)和氨基的特征振動(dòng)頻率，討論了引起計(jì)算數(shù)據(jù)與實(shí)驗(yàn)結(jié)果差異的主要原因又大又长的黄色视频。

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(gè)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A及黄色视频，研究了氮-15原子和pH值之間的關(guān)聯(lián)。

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激情自拍三级文学视频激情、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)系国产黄色水国产黄色视频。實(shí)驗(yàn)結(jié)果表明，蒽醌類染料的耐熱性能黄片在线免费看免费看免费在线看、耐曬性能優(yōu)于偶氮類染料中国一级操逼片；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。

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aa网站在线观看，首先從溶劑敏感的異構(gòu)化性質(zhì)入手717影视午夜理论片大全福，用基于連續(xù)介質(zhì)的自洽反應(yīng)場(chǎng)理論方法對(duì)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)国产资源水嫩视频在线播放、取代基位置99re国产在线、分子內(nèi)氫鍵的形成以及互變異構(gòu)競(jìng)爭(zhēng)的存在對(duì)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)體国外呦女网站，2-羥基-6-吡啶酮已被廣泛用于染料和農(nóng)藥行業(yè)色色色色色色色色色色69快射视频，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igao为爱寻找激情视频，尤其重要的是久久久精品久久久久，它可作為解決貧鈾中毒的候選藥物，有望解決戰(zhàn)爭(zhēng)中由于貧鈾中毒帶來的危害国产不卡一级黄色录像。