1) persistent effect
持效
1.
The direct effect and the persistent effect of 10, 20,30 days after spraying reached 100%.
灭幼脲 3号微胶囊加安高杀Ⅰ号微胶囊 (拟除虫菊酯类 ) ,灭幼脲 3号微胶囊加安高杀Ⅲ号微胶囊(拟除虫菊酯和有机磷复配 )防治的效果也较好 ,但 30天后的持效有所降低。
2) persistence
[英][pə'sɪstəns] [美][pɚ'sɪstəns]
持效性
1.
This paper discusses the characteristics,degradation,persistence and bioavailability of main termiticides such as chlordane,mirex,chlorpyrifos,bifenthrin and imidacloprid according to relative published information to provides a theoretical basis for understanding and predicting the longevity or persistence of these termiticides to control termites.
综述了过去和目前常用的白蚁防治药剂如氯丹、灭蚁灵、毒死蜱、联苯菊酯、吡虫啉等的特点、降解性、持效性以及对白蚁的生物活性等方面的研究情况。
2.
Effects of microorganism and environmental factors on persistence of acetochlor in soils were studied by bioassay using Echinochloa crusgalli.
以稗草为生物测定材料,研究了土壤微生物及环境因子对乙草胺持效性的影响。
3.
Study on Field Efficacy and Laboratory Toxicity of 24%Envidor SC Persistence on Citrus Red Mite(Panonychus Citri(McGregor));
本研究主要就24％Envidor SC的杀螨剂对柑桔全爪螨(Panonychus citri(McGregor))雌成螨、雄成螨、若虫、卵的持效性，进行了室内毒力测定和防治柑桔全爪螨的田间药效的系统研究，得到了以下的结果： 1 24％Envidor SC对柑桔全爪螨室内毒力测定结果表明：24％Envidor SC对柑桔全爪螨具有优良的杀螨率，但速效性差。
3) continues the effect
持续功效
4) persistence
[英][pə'sɪstəns] [美][pɚ'sɪstəns]
持效期
1.
Induction and persistence of chlopyrifos-degrading microorganisms in Soils;
土壤中毒死蜱降解菌的诱发和持效期研究
2.
Effects of fulvic acid on bioactivity and persistence of acetochlor
黄腐酸对乙草胺生物活性及持效期的影响
3.
Lucaojing NO 2 SL was developed by our research institute The Product has many advantages such as better effect and longer persistence The results of field trial in Wuhan ,Nanchang and Hangzhou railway bureau showed that it could completely meet the need of railway herbicidal demand
经本所近一年的努力 ,研制开发了又一铁路专用除草剂“2 8%路草净 2号SL” ,经武汉、南昌、杭州等各路局试验表明 :该品种具有速效性好、持效期长等优点 ,一次施药可控制杂草 4个月以上 ,一年内两次施药 ,完全可以达到根除铁路杂草的目
5) durable property
高效持久
6) cuttinghold effect
压持效应
1.
Optimal flushing conditions are presented according to the results of studying various factors affecting bottom hole flushing such as strata, structure of bit, working regulation, flow field of bottom hole, cuttinghold effect, infiltration law and so on.
把反循环钻进中循环液体视为刚体 ,以力矩平衡等理论为依据 ,建立井底净化模型 ,对影响井底净化效果的各种因素如地层、钻头结构、工作规程、井底流场、压持效应和渗透规律等进行综合研究 ,推出最优净化条件 ,通过室内及野外试验进行验证。
补充资料：阿难奉佛敕受持经典奉持左右
【阿难奉佛敕受持经典奉持左右】
（故事）出经律异相十五。
（故事）出经律异相十五。
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