Lack of contact transmission of recombinant fowlpox virus vaccine between the vaccinated and non-vaccinated chickens;
抗鸡传染性喉气管炎重组鸡痘病毒基因工程疫苗同居感染试验
Analysis of an epidemic model with perfect vaccination and two-strain coinfection;
具有充分接种和共同感染两种病毒的流行病模型分析
The incidence is relatively high of the residents who drink unboiled water,eat romaine lettuce,and eat pork having pork measles.
喝生水、吃生菜、进食“豆猪肉”居民感染率较高。
EPG of patients and residents were maintained at the onginal Ievel in the pilot villages where infection rate was 10% or less.
患者和人群感染度在居民感染率≤10%的观察村,均维持在原有的水平。
Conclusions Infection rate of intestinal parasites is quite high in the citizen of Georgetown district.
结论乔治敦地区居民中肠道寄生虫感染率较高。
the disease is spreading, and all the citizens are at risk.
疾病在传播,所有居民都有感染的危险。
Prevalence of HAV and HBV among rural people of Wuwei area,Gansu province
武威市农村居民HAV及HBV感染状况分析
Survey of faecal parasites infection in citizen of Georgetown,Guyana
圭亚那乔治敦市居民粪便寄生虫感染调查
The studies on the status of helicobacter pylori infection analysis and the factors ralative to infection in rural residents
农村居民幽门螺杆菌感染状况及相关因素调查
ANALYSIS OF FAMILY CLUSTERING OF HELICOBACTER PYLORI INFECTION IN RURAL RESIDENTS
农村居民幽门螺旋杆菌感染的家庭聚集性分析
An Analysis of Helicobacter Pylori Infection in Chengdu
成都市居民幽门螺旋杆菌感染状况分析
Analysis of malaria infection rate of the residents in the Three Gorges Reservoir Areas from a cross-sectional survey
三峡库区居民疟疾感染水平横向调查分析
A New Algorithm of Road Extraction from High-Resolution RS Image of Residential Area
一种高分辨率遥感图像中居民区道路提取方法
Conclusion The acute effect of air pollution on mortality of the general population was established in Zhabei district of Shanghai.
结论上海市闸北区大气污染物暴露对居民死亡率有急性效应。
The Effects of Air Pollution on Mortality of Population in Hefei, China;
合肥市空气污染对居民死亡率及其变化趋势的影响
Influence of Tobacco Consumption and Air Pollution on Lung Cancer Mortality of Permanent Residents in Beijing Urban Area
北京市城区居民烟草消费和大气污染对肺癌死亡率的影响
At the same time their printing presses, newspapers, bookstores and libraries exposed the residents to mental activity.
同时它们的印刷所,报馆,书店,图书馆使居民受思想上活动的感染。
Each separate part of the city is inevitably stained with the peculiar sentiments of its population.
城市的各个部分都不可避免地浸染上了当地居民的情感。
A Study on Statistical Methods to Affected Factors of ARI in Families in Nanjing
南京市居民急性呼吸道感染影响因素统计方法研究
An Analysis of the Variables Affecting People s Attitude toward The HIV Infectors;
中国城乡居民对艾滋病病毒感染者态度的影响因素分析
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