Human hepatitis B virus is the prototype for a family of viruses, referred to as hepadnaviridae. It has at least 4 subtypes, ayw, adr, ayr, and adw, among which subtype adr is the most prevailing in China.

This paper introduces a simple, reliable AC power supply with constant voltage and frequency. The supply consists of a DC motor-AC generator set, a automatic voltage regulator ( AYR), and a automatic frequency regulator ( AFR).

本文介绍一种简单可靠的恒压恒频交流电源装置，它由直流电动机-交流发电机组、自动电压调节器AVR及自动频率调节器AFR组成。

Of these patients, 6 had mitral valve replacement ( MVR), 2 aortic valve replacement ( AYR) and 1 tricuspid valve replacement ( TVR).

6例二尖瓣置换，2例主动脉瓣置换，1例三尖瓣置换。

The interaction between alizarin yellow R ( AYR) and proteins in Britton-Robinson ( B-R) buffer solution was studied with electrochemical method.

以电化学方法研究了在pH3.2的Britton Robinson（BR）缓冲溶液中茜素黄R与蛋白质的相互作用。

Charges of murder and robbery in the sheriff court at ayr.

在艾尔高级法院被控犯有谋杀和抢劫罪。

Any information is to be forwarded to sergeant ayr.

任何情报均转交艾尔军士。

NHS Ayrshire and Arran reported the diagnosis of a lung tumour was delayed until after it was no longer operable, though it was present in an earlier scan.

英国埃尔郡和阿伦岛的NHS体系曾报告说，有位肺部肿瘤患者的诊断做出的太迟，以至于已无法进行手术，而在早期扫描中就已经可以看出了。

Fleming was born in Lochfield, nr Darvel in Ayrshire and moved to London to study medicine.

弗莱明生于苏格兰西南部艾尔郡的洛克菲德，学生时期移居伦敦学习医学。

1881 Sir Alexander Fleming, Scottish bacteriologist and discoverer of penicillin, was born in Ayrshire.

苏格兰细菌学家、青霉素发现者亚历山大·弗莱明爵士诞生于埃尔郡。

Beyond the house walls is the valley of the River Gryffe and the low hills of Ayrshire.

围墙之外，是格里夫河谷（the valley of River Gryffe）和埃尔郡（Ayrshire）的低矮山丘。

Compared with AZA, MMF also is an alternative for maintenance therapy of severe LN without significant difference in the prognosis or risks of amenorrhoea and herpes zoster.

由于霉酚酸酯在预后以及闭经和感染带状疱疹病毒的风险与硫唑嘌呤比较没有明显的区别，所以也可用于维持治疗。

Studies on Fluorine-Containing Aromatic Heterocyclic Compounds ⅶ. The Syntheses of Fluorine-Containing Aza-, Thia-Dibenzo Crown Compounds

含氟芳杂环化合物的研究&Ⅶ.含氟氮杂、硫杂二苯并王冠化合物的合成

RESULTS: The incidence of acute rejection was 4% in the MMF group and 28.57% in the AZA group and there were significant difference between the two groups.

进行了连续6个月的观察。结果：MMF组急性排斥反应发生率为4.00%（2／50），AZA组为28.57%（14／49），差异显著（P＜0.01）。

CONCLUSION The optimal condition to make the acute hepatic injury model induced by AZA in mice are administrated 150 mg/ kg AZA and treated for 12 hours.

[结论]利用AZA制作急性肝组织损伤小鼠模型时，AZA的最佳给药剂量为150mg/kg，最佳作用时间为给药后12h。

They all received triple immunosuppressive therapy ( CSA+ AZA+ prednisone) for the prevention of acute rejection after renal transplantation.

肾移植术后均接受环孢素（CsA）、硫唑嘌呤（Aza）和泼尼松三联免疫抑制治疗方案。分别于肾移植后35、34、43个月妊娠。

This article reviewed the synthesis of N-substituted aza crown ethers and their new applications to the field of selective complexation and extraction for metal ions.

摘要综述了n-取代氮杂冠醚的合成和对金属离子的选择性络合和萃取研究的新进展。

Molecular Structures and Synthesis of oxa-, aza-, thia-Macrocyclic Compounds with Trifluoromethyl Side Groups

三氟甲基侧取代氧、氮、硫杂大环化合物的合成和分子结构

Study on Aza Crown Ether Substituted Unsymmetry Bis-schiff base Complexes as Mimic Hydrolytic Enzyme Catalyze PNPP Hydrolysis

氮杂冠醚取代非对称双Schiff碱配合物模拟水解酶催化PNPP水解研究

The calculated results show that the aza Wittig reaction is a two step reaction, having one four membered ring intermediate on its reaction surface.

计算结果表明该反应是一个二步反应，在反应途径上存在一个四元环中间体。

T_ ( 11) and Aza were similar in suppressing immune respone.

雷公藤多甙与硫唑嘌呤的免疫抑制作用强度相似。

Role of thiopurine methyltransferase measurement prior to treatment of IBD with AZA/ 6-MP

硫唑嘌呤/6-巯嘌呤治疗炎性肠病前检测硫嘌呤甲基转移酶的临床意义