contact toxicity是什么意思

网络释义

用法例句

This study covers the contact toxicity,repellence activity and population inhibition of green prickly ash essential oil,red prickly ash essential oil,1st grade spicy element and 2nd grade spicy element against Tribolium castaneum adults at 30 ℃.

在30℃的恒温条件下,研究了青椒精油、红椒精油、一级麻素和二级麻素这4种花椒提取物对赤拟谷盗成虫的触杀、驱避及种群抑制作用,结果表明二级麻素和青椒精油的触杀效果较好,红椒精油的效果最差;两种花椒麻素对赤拟谷盗都表现出较好的驱避效果,且随着浓度的提高而增强,随着时间的延长而降低;花椒精油及麻素对赤拟谷盗的种群抑制作用随着药剂浓度的增大而增强,其中一级麻素的抑制效果最好,两种花椒精油的抑制效果较差。

The contact toxicity of these extracts was tested against the 3rd instar nymphae of Nilaparvata lugens Stal.

用不同溶剂萃取了苦木科植物苦木(枝叶)和鸦胆子(枝叶)的活性组分,并测定了活性组分对褐飞虱3龄若虫的触杀活性及对其乙酰胆碱酯酶(AchE)活性的影响。

The result showed that the contact toxicity of chloroform and petroleum ether extracts against Schizaphis graminum was 58.

通过实验测定,骆驼蓬氯仿、石油醚和乙酸乙酯3种萃取物中,氯仿和石油醚的萃取物对麦二叉蚜的触杀活性分别为58。

Contact and Antifeedant Actions of Different Extracts from Polygonum nodosum on Sogatella furcifera;

节蓼不同提取液对白背飞虱的触杀和拒食作用

The results show that cantharidin has the contact activity agaist all tested pests and the stomach activity agaist some pests,but no systemic activity and fumigant actiivity.

采用斑蝥素以不同杀虫方式处理6种害虫,结果显示:斑蝥素对所有害虫都具触杀作用,对部分害虫具有胃毒作用,而无内吸、熏蒸作用。

Sarisan had weak contact activity against Helicoverpa armigera,Sitophilus zeama.

28μg/头,在供试剂量下对棉铃虫、玉米象和赤拟谷盗成虫的触杀作用较差;对粘虫和玉米象的熏蒸LC50值分别为16。

Three extracts all exhibited contact toxicity against S.

测定了坡柳种子不同溶剂提取物对米象的触杀作用。

Laboratory bioassay showed that Ruixiangsu possessed very strong contact toxicity and antifeeding activity to three kinds of aphids, Aphis gossypii Glover, Myzus nicotianae Blackman,and Toxoptera citricida Kirkaldy.

)的天然产物瑞香素对农业上重要的几类蚜虫具有很高的触杀作用和较好的拒食作用。

Indoors experiments on the contact toxicity and antifeeding activity of several crude extracts from plant such as Eupatorium adenophorum Spreng, Sophora flavescens Ait.

紫茎泽兰等几种植物的乙醇提取物对农业上重要的两种害螨(二斑叶螨和柑橘全爪螨)具有很高的触杀作用和一定的拒食作用。

The results showed that the contact effect on the methanol extract from roots,stems and leaves of D.

结果表明,4种曼陀罗不同部位甲醇粗提物对粘虫5龄初期幼虫的触杀作用以曼陀罗初花期根茎叶为最高,其次为紫花曼陀罗花和初花期根茎叶,校正死亡率分别为23。

The results of the study showed that extracts from walnut leaves had a powerful contact effect on aphid.

核桃叶提取物对蚜虫具有较强的触杀作用 ,提取物对蚜虫的击倒作用随浓度增大而增加 ;处理浓度越高 ,对蚜虫的击倒中时越

The contact effects of water extracts from different plant parts of Ricinus communis(Euphorbiales: Euphorbiaceae) on grubs were determined in the laboratory.

在室内测定了蓖麻植株不同部位水粗提物对蛴螬的触杀作用。

The repellent action and contact action of the extracts of Acorus gramineus Soland to adult Sitophilus zeamais Motschulsky were studied in this paper.

测定了石菖蒲4种溶剂提取物对玉米象成虫的驱避和触杀作用。

were tested for its repellent action and contact action against Tribolium castaneum,T.

结果表明,水菖蒲无水乙醇的提取物对长角扁谷盗和锯谷盗具有很强的触杀作用,尤其对长角扁谷盗,0。

The repellent and contact action of the extracts of Croton tiglium L.

)4种溶剂提取物对玉米象Sitophilus zeamais(Motschulsky)成虫的驱避作用和触杀作用。

Shiraki sexual acaricidic pesticide plant in vivo uptake role and transpiration.

触杀性杀螨杀虫剂，它在植物体内无内吸作用和蒸腾作用。

tag the base runner to get him out.

触杀棒球运动员使其出局。

Studies of Effect of Plant Essential Oils on Contact Toxicity of Several Insecticide and Their Synergism Mechanism;

植物精油对几种杀虫剂触杀毒力的影响及增效机理的研究

Evaluation Acaricidal Activities of Thirty-nine Medicinal Plants Extracts against Tetranychus cinnabarinus

中草药提取物对朱砂叶螨的触杀活性测定

Contacting Toxicity Against Ostrinia nubilalis of Various Extraction from Datura stramonium L.

曼陀罗不同提取液对玉米螟的触杀活性研究

Acaricidal Activity of an Extract of Pharbitis purpurea seeds Against Tetranychus cinnabarinus

牵牛子种子提取物对朱砂叶螨触杀活性的测定

Death Activity of Extraction from Pulsatilla chinensis against Etiella zinckenella

白头翁不同提取液对大豆荚螟的触杀活性

Contact Toxicity of Aqueous Extract from Acorus calamus L. Rhizome against Rhyzopertha dominica and Sitophilus zeamais

水菖蒲水提物对谷蠹和玉米象的触杀活性

Contacting Activities of Various Extractions from Menispermum dauricum DC. against Tryporyza incertulas.

蝙蝠葛不同提取液对三化螟的触杀活性

The first batter grounded out and the second one popped up.

头一名打击手打了个滚地球被触杀出局，第二名打击手打了个高飞球被接杀。

Contact and repellency activities of ethanol extracts from twenty medicinal plants against Rhizopertha dominica (Fab.)(Coleoptera: Bostrichidae)

20种药用植物乙醇提取物对谷蠹的触杀和驱避活性(英文)

He could have thrown the ball to the second baseman that would tag out Shaya, who was still running.

他本来可以把球传给二垒手，让他把还在奔跑的沙亚触杀出局。

Contacting Activity against Aphis glycines of Ethanol Extraction from Three Gentiana in Mountain Changbai

长白山区3种龙胆乙醇浸提液对大豆蚜虫的触杀活性

Frenzy": This talent can now trigger from" Kill Command".

狂乱：这个天赋现在能被杀戮指令触发。

By touching you may kill, by keeping away you may possess.

接触着，你许会杀害；远离着，你许会占有。

Farm workers frequently come in contact with these insecticides.

农场工人常常接触这些杀虫剂。

Frenzy: This talent can now trigger from Kill Command.

狂乱：现在杀戮指令能触发这个天赋。

It's good I got myself back into the game and scored the winning touchdown.

好在我自己半道杀回比赛并且成功触地得分。