Present Situation and Direction of Development of Model WNS Oil/ Gas fired Boiler Technology

Research of the WNS Series Fully Automatic Gas-fired Boiler

WNS系列全自动燃气锅炉的性能特点介绍

Generally, WNV is spread by the bite of an infected mosquito.

一般而言，西尼罗河病毒是由受到感染的蚊子传播的。

Using the recombinant envelope protein of WNV as antigen, the serum antibody was detected by ELISA.

方法利用构建的包膜蛋白重组质粒（pQE-30）表达纯化西尼罗病毒包膜蛋白，以此为抗原进行ELISA检测。

There is one reported case of transplacental ( mother-to-child) WNV transmission.

曾有一例西尼罗河病毒经胎盘（从母亲到婴儿）传播的报告。

This article reviews the current researches in WNV regarding its infection, immunity and epidemiology.

本文就近几年来对西尼罗病毒的感染、免疫与流行病学方面的研究进展进行了综述。

About one in150 people infected with WNV will develop severe illness.

而大约每150名感染者中会有1人发展成严重疾病。

Transmission of WNV to laboratory workers has been reported.

曾有西尼罗河病毒传给实验室工作人员的报告。

There is no specific treatment for WNV infection.

目前对西尼罗河病毒感染还没有特定的治疗方法。

At last, the means for modifying tractor economic life in various regions was provided.

最后提出了修正各地区拖拉机经济寿命的方法。

Various regions' content of soil available calcium profuse while Chongqing region less stable.

各地土壤速效钙含量丰富，重庆地区稳定性较差。

Statistical Analysis on the Investment Environment in Various Regions of China

中国各省市投资环境的统计分析

At present, the Social insurance system are built in various regions, and have achieved some results.

目前各地区都在积极开展社会保障系统建设，并取得了一定成绩。

These instruments are used in various regions and have different functions.

这些显微仪器适用于不同的领域，具有不同的功能。

Then combined with the quantitative results, the article discusses the similarities and differences of various regions.

然后结合量化分析结果分类讨论各地区的共性与差异。

The book summarizes broadcasting in various regions of the world.

本书对世界各地的广播业发展情况进行了总结。

An assessment of the overall economic strength of various regions in Chongqing

重庆市区域综合经济实力评价

Rural territorial function in various regions has a significant spatial heterogeneity and temporal variability.

乡村地域功能具有明显的空间异质性和时间变异性。

Since 2001 Various regions Carried out different forms of Strike-hard in full swing.

2001年以后各地区零散的严打也在紧锣密鼓的进行。

Form the cross section, various regions has obvious difference.

从横向上看，各地区农村教育发展存在差别很大。

Studies on the Unbalanced Development of the Township Enterprises in Various Regions

乡镇企业经济区域发展不平衡问题研究