1) 30 kinds
30种
1.
To use selected ion monitoring(SIM) mode,it can determine more than 30 kinds of organophosphorus pesticide residue within 40 minutes based on retention times and characteristic ion ratios.
采用选择离子扫描(SIM)模式,根据保留时间和特征离子丰度比,可在40 m in内定性和定量检测30种有机磷农药残留。
2) thirty types of rolled steel
30种钢材
3) 30% thiram and carbofuran seeding chemical
30%呋福种衣剂
1.
The results showed that 30% thiram and carbofuran seeding chemical could effectively control rhizoctonia rot (Rhizoctonia solaoi), mangold flea beetle (Chaetocnema discreta) and subterranean insect pests (Holotrichia diomphalia and Selatosomus latus) of sugar beet, the average control effect was 80.
结果表明,试验所用6种药剂中,30%呋福种衣剂按药种比1:40包衣,不仅对甜菜立枯病、地上害虫甜菜跳甲及地下害虫金针虫和蛴螬有较好防治效果,而且使甜菜的含糖量增加1。
4) 30 organochlorine and pyrethroid pesticide multi-residues
30种有机氯和拟除虫菊酯农药多残留
5) 30% H2O2
30%H2O2
6) E_r(30)
Er(30)
补充资料:无种
1.没有种子。 2.犹言绝后代。 3.谓没有血统相传关系。
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