1. Primary infection source may be reduced by breeding and selecting the variety with the lower infected seedling rate of seed-borne SMV.
可以通过选育和筛选种传病苗率低的品种推广,减少本病的初次侵染来源。
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2. The results of investigation on parasitology, entomology and social factors showed that imported malaria is the infectionsource of the outbreak.
从寄生虫学、昆虫学和社会因素的调查结果表明,输入性疟疾是引起本次暴发流行的传染来源。
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3. Objective to understand the potential risk for schistosomiasis transmission caused by introduction of infection source from mobile population in Shanghai.
目的掌握流动人口对上海市血吸虫病传播可能造成的潜在危险性。
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4. RESULTS & CONCLUSION: The key to reduce the incidence of infection in the preparation and application of TPN is to keep the infection source under control.
结果与结论:加强在配制和使用TPN液过程中感染源的控制,是减少发生感染病例的重要保证。
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5. Objective to evaluate the effectiveness and cost-effectiveness for schistosomiasis control by synthetic measures with emphasis on infectionsource control.
目的评价以传染源控制为主的综合防治措施预防血吸虫病的效果及其费用-效果。
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6. The study shows that the initial infection source of the disease is the disease spot on the branches. In the growing season branches, leaves and fruits can infect one another.
研究发现,病害的初侵染源来自枝干病斑,生长季节枝、叶、果互相交叉传染。
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7. Survival period of the pathogens of citrus canker(Xanthomonas axonopodis pv. citri)in different places was studied, and whether the pathogens could be the infection source was evaluated.