Chunyong Tang

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Primary cell cultures from the lymphoid organ of Penaeus monodon were used to investigate in vitro propagation and morphogenesis of white spot syndrome virus (WSSV). Double-strength Leibovitz's L15 supplemented with 20% fetal bovine serum, pH 7.5, with a final osmolarity of 530 +/- 5 mOsm kg-1 was identified as the most suitable culture medium. In this(More)
We examine the relationship between atmospheric pollution, water pollution, traffic congestion, access to parkland and personal well-being using a survey administered across six Chinese cities in 2007. In contrast to existing studies of the determinants of well-being by economists, which have typically employed single item indicators to measure well-being,(More)
We use two datasets for urban China to examine whether an increase in reference group income lowers or increases job satisfaction. The former is consistent with a status effect – an increase in the income of others lowers my satisfaction because I feel jealous. The latter is consistent with a signal effect – an increase in the income of others might make me(More)
OBJECTIVE To study the main death cause of nasopharyngeal carcinoma (NPC) treated with radiotherapy for 5 years. METHOD An analysis had been made to evaluated the 5-year death in 165 patients with NPC treated with radiotherapy. RESULT The death correlates strongly with the clinical stage, type and radiation dose (P < 0.05). CONCLUSION The distant(More)
Repellent and insecticidal activities of essential oils extracted from leaves of Artemisia princeps Pamp and seeds of Cinnamomum camphora (L.) Presl. against storage pests Sitophillus oryzae L. and Bruchus rugimanus Bohem were investigated. Results showed that the two individual oils displayed good, but their mixture (1:1) exhibited much better repellent(More)
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