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   防治效果 在 农业基础科学 分类中 的翻译结果: 查询用时:0.951秒
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防治效果
相关语句
  control effect
    Control Effect of 12 Kinds of Insecticide on Cotton Leafworm (Spodoptera litura)
    12种杀虫剂对斜纹夜蛾的防治效果
短句来源
    The control effect of the pesticide mixed by 20% fenvalerate, 80% DDVP and diesel oil in proportion as 2∶1∶50 or 1∶2∶50 is more than 90% respectively.
    20% 杀灭菊酯、80% 敌敌畏和柴油以2v1v50或1v2v50的比例混合,防治效果均在90% 以上。
短句来源
    The control effect is more than 85% by these pesticides of 500×80% DDVP, 500×50% methamidophos and 500×, 1000×and 1500×omethoate, respectively.
    结果表明所选用的农药中80% 敌敌畏500倍液、50% 甲胺磷500倍液、40% 氧化乐果500、1000、1500倍液,对3- 5龄幼虫的防治效果都在85% 以上。
短句来源
    Test showed that:0 5%Abamection had better control effect against Plutella xylostella L ,During1~5 days It's control effect could reach 91 24%~93 83% with 0 4~0 5g Key words:Abamectin Plutella xylostella L Control effect
    田间试验表明 :0 .5%阿维菌素对小菜蛾有较好的防治效果。 667m2 用有效成分 0 .4g~0 .5g处理药后 1~ 5d的防效达 91 .2 4 %~ 93.83%。
短句来源
    ③if the plants were inoculated with an-thracnose pathogen,Colletotrichum higginsianum,immediately after spraying BS-2 suspension,the best control effect was obtained,the effects in the third and sixth day were 95.12% and46.71% respectively;
    ③菌株对白菜炭疽病有较好的防治效果,但对不同时间接种病原菌的防治效果有所不同,以叶表面喷雾接种菌液后,立即接种病原菌的防效最好,其第3天和第6天的防效分别达95.12%和46.71%;
短句来源
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  control efficacy
    Control efficacy in field reached 70% .
    田间防治效果达70%。
  “防治效果”译为未确定词的双语例句
    Over 96 percent of larvae could be killed by spraying DDVP of 80 percent (1:1500) or dipterex of 2.5 percent (1:2000) in the middle of May when the larvae was in rampant stage.
    幼虫 5月中旬为害盛期 ,用 80 %敌敌畏 1∶ 150 0、 2 .5%敌杀死 1∶ 2 0 0 0 ,防治效果达 96%以上
短句来源
    The controlling efficiency of M18 suspension (10 8 CFU/mL) can reach to about 80% under the condition of both seedling inoculation experiments and field performance.
    经甜瓜蔓枯病菌的苗期接种试验 ,M1 8的菌悬液 (1 0 8CFU/m L )对甜瓜蔓枯病的防治效果达到 80 %左右 .
短句来源
    An antifugal substances phenazine 1 carboxylic acid (PCA) was extracted and purified from P.fluorecens M18 and the results from bioassay experiments show that this substance has strong antifugal activity against M.melonis and the EC 50 value was 3.24 μg/mL only.
    从 M1 8培养液中 ,提取并纯化了抗生物质吩嗪 - 1 -羧酸 (PCA) ,该物质对甜瓜蔓枯病菌具有强力抑菌作用 ,EC50 值仅为 3.2 4 μg/m L.在大田试验中 ,M1 8可以保持 80 %的防治效果 ,显著提高甜瓜产量 ,并且还发现在蔓枯病发病初期 ,M1 8具有良好的治病作用
短句来源
    The value of Lexatmination showed there exists significant differences between them(the value of tis 2.85 ** ,5.16 ** and 7.15 ** ,respectively).
    t检验的结果表明 ,防治效果极显著 (t值分别为 12 85 、5 16 和 7 15 ) ;
短句来源
    Three insecticides, imidacloprid, buprofezin and beta cypermethrin were applied to control the pest, their effects for adult and nymphs were ranged from 20 07% to 33 19%, 20 62% to 44 88% and 4 05% to 6 78%;
    在药效试验中 1 0 %吡虫啉WP、2 5 %扑虱灵WP和 1 0 %高效氯氰菊酯LC在厂家推荐浓度下对烟粉虱成虫的防治效果分别为 2 0 0 7%~ 3 3 1 9% ,2 0 62 %~ 44 88%和 4 0 5 %~ 6 78% ;
短句来源
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  control effect
Flutter control effect and mechanism of central-slotting for long-span bridges
      
The control effect of central-slotting depends on the aerodynamic configuration of the original girder section and the corresponding central-slotting width.
      
The control channel is divided into two channels (fast and slow) for enhancing the speed of response at a significant range of the control effect.
      
Simulation results indicated that the proposed controller exhibits satisfying control effect.
      
The activities of enzymes responsible for lignification in pepper, pre-inoculation with arbuscular mycorrhizal (AM) fungus ofGlomus intraradices and/or infection with pathogenic strain ofPhytophthora capsici, and the biological control effect ofG.
      
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  control efficacy
flavescens (2%) extracts showed a significant control effect, with a control efficacy of 96.67%, G.
      
In conclusion, host instar, food supplement and photoperiod could have potential for improving biological control efficacy in stores.
      
The fate of the pesticides in the soil environment in respect of pest control efficacy, non-target organism exposure and offsite mobility has been given due consideration [2].
      
The necessity of using X-rays to control efficacy of osteoporosis treatment
      
Organophosphate Dormant Spray Pest Control Efficacy, Pesticide Concentration and Toxicity in Storm Runoff
      
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Controlling debris flow is an important aspect of scientific research of debris flow. The principles, plans and measures adopted to control debris flow are different, that is, the controlling models adopted are different, thus causing different controlling effects. Through the analysis and study of 5 typical kinds of the existing models of controlling debris flow in China, this paper points out some problems to be solved urgently in these models, and suggest the overall controlling models suitable to various...

Controlling debris flow is an important aspect of scientific research of debris flow. The principles, plans and measures adopted to control debris flow are different, that is, the controlling models adopted are different, thus causing different controlling effects. Through the analysis and study of 5 typical kinds of the existing models of controlling debris flow in China, this paper points out some problems to be solved urgently in these models, and suggest the overall controlling models suitable to various kinds of debris flows in the principal debris flow regions in China. Also, this paper deals with how to use these controlling models. With these models as casting only a brick to attract jade, we try to probe into the models of controlling debris flows with the chinese features and in agreement with the Chinese actual conditions.

泥石流防治是泥石流科学研究的一个重要的方面。防治泥石流所采用的原则、方案和措施不同,亦即采用的防治模式不同,就会出现不同的防治效果。本文通过对我国现有的、具有一定代表性的五种泥石流治理的分析研究,指出了这些模式中的一些尚待解决的问题,提出了适合于我国各主要泥石流区的不同类型泥石流的全面防治模式,并就如何运用该模式等问题进行了论述。以此作为探索具有我国特色、符合我国实际的泥石流防治模式的引玉之砖。

The white peach scale Pseudaulacaspis pentagona Targioni during the middle of first instar nymphs could be controlled with dilution (1:1000-1500, W.P.. water) of 25% buprofezin W. P. spraying one time in the peach garden. Its effect for controlling its instar nymphs reached 92.2 % -96.3% and persisted for three weeks. However toxic effect was slower than that of conventional insecticides.

在桃树桑白蚧一龄若蚧盛发期,用25%扑虱灵可湿性粉剂1000~1500倍稀释液、防治1次,就可有效地控制其为害,是抗治该蚧的理想药剂。对一龄若蚧防治效果为92.2%~96.3%,持效期长达3周以上,但毒杀速度较慢。

In our studying 1987-1991, we discovered Exolontha serrulata(Gyllenhal),Holotrichia parallela Motschulsky and Alissonotum impressicolle Arrow are dominant insect pests of cane in YunnanProvince. Within them, Iarvae of the former two species damaged cane root which caused reductionof output; aduit of the last species eats cane plant caused withered heart and death. All three specieswith one generation per year. Adult phototaxis and first instar larva eat rotten organic matter. Thereare more beetles in sandy loam...

In our studying 1987-1991, we discovered Exolontha serrulata(Gyllenhal),Holotrichia parallela Motschulsky and Alissonotum impressicolle Arrow are dominant insect pests of cane in YunnanProvince. Within them, Iarvae of the former two species damaged cane root which caused reductionof output; aduit of the last species eats cane plant caused withered heart and death. All three specieswith one generation per year. Adult phototaxis and first instar larva eat rotten organic matter. Thereare more beetles in sandy loam and puddled soil. The longer the fixed number of years oi perennialroot, the injured more serious. Crop rotation of sugarcane and rice, basin irrigation of water in JulyAugust, by applying 3% isofenphos-methyl 4-5kg/mu when loosenthe soil and hill up, the efficiencyreached about 90%.

蔗龟是云南甘蔗上的1种主要地下害虫。经1987~1991年系统研究,大等鳃金龟、暗褐鳃角金龟、突背蔗金龟是云南危害甘蔗的优势种。前两种主要以幼虫为害根部,造成减产,严重的无收;第三种主要以成虫咬食蔗苗基部,造成枯心死亡。3种均1年发生1代。成虫有趋光性,初孵幼虫喜食已腐烂的有机质。在沙壤土、粘土较重土壤虫口较多;宿根年限越长受害愈重。蔗稻轮作;7~8月雨季用水淹灌蔗地;结合松、培土每亩施用3%甲基异柳磷颗粒剂4~5kg,防治效果达90%左右。

 
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