用四溴双酚a、环氧氯丙烷和丙烯酸为原料合成了阻燃型乙烯基酯树脂，其阻燃性能良好。
Flame retardant vinyl ester resin using tetrabromo bisphenol a, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.
结论丙烯基硫脲可抑制酚氧化酶活性而对钉螺、螺卵的成活及其产卵量、卵壳的形成、孵化率均有影响。
It is concluded that acryl thiourea effects not only snail eggs, but also their rates of egg-laying, its egg shell and the rate of breeding.
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