chemical prevention

基本解释

Now the research is just around the biological character of pathogeny and the chemical prevention to the camellia gray spot.
有关山茶灰斑病的研究较少，多为对病原菌的生物学特性以及利用化学手段防治病害的研究。
Conclusion COX-2 overexpression occurred in the early stage of oral carcinogenesis, it could be an important target for the chemical prevention and therapy.
结论COX-2在口腔癌变过程中是一个早期事件，可能成为化学预防作用的重要靶点。
Prevention and control of the tea tree diseases and pests took a turn from"cure"to"control", and single chemical prevention was changed into the comprehensive prevention and ecological control.
茶树病虫害的防治从“治”转向“控制” ，从单一化学防治发展到综合防治和生态控制；