乙型肝炎

Antigen of hepatitis B surface is electropositive person the 8%~10% that occupies our country population.

概要： 乙型肝炎表面抗原阳性者占我国人口的8%~10%。

Hepatitis B is endemic in China and other parts of Asia.

乙型肝炎在中国和亚洲其他地区流行。

In countries with low endemicity, most hepatitis B infections occur later — from sexual activity, intravenous drug use, or occupational exposure.

下面是原文：在发达国家大多数乙型肝炎感染发生较晚，感染途径主要是性活动、药物注射或职业暴露。

BACKGROUND: Italy had intermediate-level endemicity for hepatitis B virus infection in the 1970s and 1980s.

背景：二十世纪七、八十年代，意大利地方流行性乙型肝炎病毒感染呈中等水平。

HBV infection interfered with the engraftment of hematopoietic stem cells

乙型肝炎病毒感染不影响造血干细胞的植活时间。

Methods The data of Hepatitis B epidemic from 2001 to 2007 were analyzed.

中国是乙型肝炎的高流行区〔1〕。

Objective To evoke cytotoxic T lymphocytes response and seek for a more effective method to treat chronic hepatitis B.

目的为激发机体对HBsAg的CTL反应，寻求对慢性乙型肝炎更有效的治疗方法。

Methods: 19 cases of normal controls and 17 cases of chronic hepatitis B patients experiencing acute exacerbation were recruited into this study.

研究对象为正常对照组19例，慢性乙型肝炎急性发作组17例。

To study the characterestics of the expression of Fas and FasL in the liver tissue of chronic hepatitis B.

探讨Fas、FasL在慢性乙型肝炎肝组织中的表达特点。

Most frequently seen flies include housefly, musca sorbens, chrysomyia megacephala, cryptolucilia caesarion and flesh fly, etc. Flies not only pollute living and working environment or suck blood, but also spread pathogens of various diseases including malaria, typhoid, cholera, poliomyelitis, abscess, tuberculosis, hepatitis B, etc.

苍蝇对人的危害，除侵入住宅和工作环境骚扰及少数蝇种刺螫吸血外，主要是能传播多种传染病，如痢疾、伤寒、霍乱、脊髓灰质炎、砂眼、结核病、乙型肝炎等多种病原体。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。