1) selective toxicity
选择毒力
1.
These selective toxicity of three kinds of insecticides,including thiamethoxam,endosulfan,lambda-cyhalothrin,between the cotton aphid(Aphis gossypii Glover) and two species of ladybirds(Coccinella undecimpanctata Linnaceus and Hippodamia variegate Goeze),was performed in the laboratory.
在室内分别测定了阿克泰、赛丹和功夫3种杀虫剂对棉蚜Aphis gossypii(Glover)、十一星瓢虫Coccinella undecimpanctata(Linnaceus)和多异瓢虫Hippodamia variegate(Goeze)的毒力;比较了药剂在两种瓢虫和棉蚜间的选择毒力比(STR),以及两种药剂之间选择性差异。
2.
The toxicity of three insecticides,imidacloprid,acetamiprid and buprofezin to Trialeurodes vaporariorum,Chrysoperla sinica and Orius minutus was studied in laboratory and the selective toxicity between T.
采用浸渍法测定了吡虫啉、啶虫脒和噻嗪酮对温室白粉虱Trialeurodes vaporariorum及其两种天敌中华草蛉Chrysoperla sinica和微小花蝽Oriusminutus的毒力,比较了药剂在温室白粉虱和两种天敌间的选择毒力。
3.
The selective toxicity of six kinds of insecticides, including imidacloprid, imidacloprid+synergist (SV1), fenvalerate, endosulfan, methomyl and dimethoate, between the green peach aphid (Myzus persicae Sulzer) and two species of ladybirds (Coccinella septempunctata Linnaeus and Propylaea japonica Thunbery), was investigated in the laboratory.
在室内分别测定了吡虫啉、吡虫啉 +增效剂、氰戊菊酯、硫丹、乐果和灭多威 6种杀虫剂对桃蚜MyzuspersicaeSul zer、七星瓢虫CoccinellaseptempunctataLinnaeus和龟纹瓢虫Propyleajaponica (Thunbery)的毒力 ;比较了药剂在桃蚜和两种瓢虫之间的选择毒力比值 (STR) ,以及药剂之间选择性差异 ;研究了桃蚜对不同药剂相对适合度。
3) selective toxicity
选择毒性
1.
Studies on the relationship of cytochrome P450 and selective toxicity of Celangulin Ⅴ against insect;
细胞色素P450酶系与苦皮藤素Ⅴ对昆虫选择毒性的关系研究
2.
Studies on selective toxicity of different kinds of insecticide to nematodes;
不同种类杀虫剂对线虫的选择毒性研究
3.
The result showed that the order of selective toxicity was: deltamethrin>lambda-cyhalothrin>chlorpyrifos & cypermethrin>acephate>acetamiprid>chlorpyrifos.
结果表明,6种农药对橡副珠蜡蚧和斑翅食蚧蚜小蜂的选择毒性为:溴氰菊酯>三氟氯氰菊酯>敌介灵>甲胺磷>啶虫脒>毒死蜱,其中溴氰菊酯的选择倍数最高为35。
4) Selective pressure
选择压力
1.
Comparison selective pressure of different selection operators in evolutionary algorithms
演化算法中各种选择算子的选择压力比较
2.
It is proved that RLLGA can well realize the parallel between population diversity and selective pressure by experiments.
实验表明,该算法能较好地平衡种群多样性和选择压力的关系。
5) Selection pressure
选择压力
1.
The crucial problem for improving SGA’s performance lies on how to solve the conflict between the population diversity and the individual selection pressure.
在进化过程中,保持合适的个体选择压力,抑制种群多样性的快速下降,是提高遗传算法性能的关键。
2.
The test mainly studies ① selection effects of hybrid generation under different environmental pressures;② continuous selection effects of hybrid descendants with steady material in great groups and under high selection pressures;③ methods and effects of complex cross of multi-parents and insects resistance gene.
本试验主要研究了①杂种世代不同环境压力胁迫下的选择效应;②杂种后代稳定材料大群体高强度选择压力下的连续选择效果;③复交转育抗虫基因方法与效果。
6) selective abilities
选择能力
1.
This paper discusses the importance of selective abilities of editors of Higher Vocational Institute journals to choose the applicable articles among the great number of contributions,which is vital for academic journals to improve the quality of its publications and inject vitality into them.
针对高职学报质量有待提升,指出了提高编辑的选择能力才能保证在大量来稿里获得最好的稿件,才能从根本上提高学报的学术质量,才能使高职学报拥有鲜活的生命力。
补充资料：病原体毒力
病原体毒力
toxicity of pathogenic organisms
指病原体致病力的强弱程度，是量的概念。各种病原体的毒力不同，并随宿主不同及环境条件变化而异；同种病原体也常因型或株的不同而毒力有差异。常用半数致死量(LD50）或半数感染量(ID50）表示。构成毒力的病原体一般有侵袭力和毒素两个方面。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条