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ec
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  乳油
    Study on the Application of 20% Mansujing EC to Control Red Spider of Orange Tree
    20%螨速净乳油防治柑桔红蜘蛛应用研究
短句来源
    The results showed that Chlorothalonil 75 % WP,Thiram 50 % WP,Prochloraz 25 % EC and Mancozeb 70 % WP were good fungicides against C. cassiicola,with control efficacy 92.71 %,89.16 %,87.31 % and 73.20 %,respectively.
    试验结果表明:所选的4种药剂75%百菌清可湿性粉剂、50%福美双可湿性粉剂、25%咪鲜胺乳油和70%代森锰锌可湿性粉剂对黄瓜褐斑病的田间最高防效可分别达到92.71%、89.16%、87.31%和73.20%,是防治黄瓜褐斑病的优良杀菌剂。
短句来源
    Pumpkin Powdery Mildew Control with a 99% Mineral Oil EC
    99%矿物油乳油防治南瓜白粉病试验
短句来源
    Ettect of 25% Tebuconazole EC on controlling banana leaf spot diseases
    25%戊唑醇乳油防治香蕉叶斑病药效试验
短句来源
    Controlling cucumber aphid with acetamiprid 3% EC
    3%啶虫脒乳油防治黄瓜蚜虫药效试验
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  “ec”译为未确定词的双语例句
    The EC50 of propomocarb on Pythium aphanidermatum was 35.301 8 mg/L tested with mycelium growing inhibition method.
    采用菌丝生长速率法测得霜霉威对引起黄瓜猝倒病的瓜果腐霉菌的EC50为35.3018mg/L。
短句来源
    with 100 fold dilution,the mortality of Lorsban48EC was the highest and was 73.41% at the 5th day,Methomy and Abamectin1.8%WP ranked next and Imidacloprid came the last with 54.57% mortality at 6th day.
    稀释100倍,仍以乐斯本的死亡率最高,第5天达到73.41%,其次是灭多威、阿维菌素,吡虫啉死亡率为最低,第6天达54.57%。
短句来源
    The experiment was corducted to investigate mainly the effects of saline water(EC=2.2~4.9 dS/m) on cucumber yield,irrigation quantity and irrigation water use efficiency(IWUE) under drip irrigation in North China Plain,when the soil matric potential(SMP) at 0.2 m depth immediately under drip emitter was controlled from-10 to-50 kPa.
    试验主要研究了华北半湿润地区微咸水滴灌条件下,滴头正下方0.2 m深度土壤基质势分别控制在-10~-50kPa时,不同盐分浓度微咸水(2.2~4.9 dS/m)对黄瓜产量、灌水量及灌溉水利用效率(IWUE)的影响。
短句来源
    The lab and field toxicity tests showed that 48% EC of chlorpyrifos,40% EC of phoxim,80% EC of dichlorvos,20% EC of carbosulfan,24% SP of methomyl or 18% SL of bisultap could effectively control the pest in 48 hours.
    化学杀虫剂的室内筛选和田间药效试验结果表明,48%乐斯本EC、40%辛硫磷EC、80%敌敌畏EC、20%好年冬EC、24%灭多威SP、18%杀虫双SL等药剂对黄曲条跳甲成虫有较好的室内毒杀效果和田间药效,48 h内均能有效控制黄曲条跳甲的为害。
短句来源
    The EC value of optimization nutrient solution concentration was expounded in order to improve fruit quality and yield,1.40 mS/cm from planting to pollination,1.56 mS/cm from pollination to reticulation formation,2.63 mS/cm from reticulation formation to fruit maturity, respectively.
    为改善品质,提高产量,基质栽培网纹甜瓜的最适营养液浓度的EC值为:定植-授粉1.40 mS/cm,授粉-网纹形成1.56 mS/cm,网纹形成-果实成熟2.63 mS/cm。
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  ec
Compounds 2d, 3f, 3a, and 3c exhibited antiviral activity against HSV-1, MAY, and VSV virus with EC50 values of 6.8, 2.2, 4.8, 0.52, 2.5, and 1.0.
      
The half effective concentration EC50 of scavenging hydroxy radicals of compound THDB is 53.1 μmol/L, while that of scavenging hydroxy radicals of compound TTDB is 47.3μmol/L.
      
The remanent polarization (Pr) and coercive electric field (Ec) of the measured PZT thin films are 47.7 μC/cm2 and 18 kV/cm, respectively.
      
Fine mapping of an Arabidopsis thaliana male sterile mutant EC2-157
      
An Arabidopsis thaliana male sterile mutant EC2-157 has been isolated using an EMS mutagenesis strategy.
      
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In 1981, the yield of cucumber cultivated in the curve--roofed plastic house and supplied with 25kgs of nitrogen from urea and 5,000kgs of farm manure per mu showed no significant difference from that supplied with three times the amount of the fertilizer. In 1982, no significant difference in yield was found between the two treatments in further experiment on the Same plots. It was indicated that there was a wide range of suitable amount of applied fertilizer and that larger amount of fertilizer did not show...

In 1981, the yield of cucumber cultivated in the curve--roofed plastic house and supplied with 25kgs of nitrogen from urea and 5,000kgs of farm manure per mu showed no significant difference from that supplied with three times the amount of the fertilizer. In 1982, no significant difference in yield was found between the two treatments in further experiment on the Same plots. It was indicated that there was a wide range of suitable amount of applied fertilizer and that larger amount of fertilizer did not show significant effect on the yield increase. During the period of cultivation, EC of the fluid extracted from the soil went up gradually after setting and dropped before plucking. It rose again when top application was begun and lowered when top dressing was stopped. However, EC of the larger amount fertilizer treatment was al- ways higher than that of the lower amount fertilizer treatment. The maxi- mum of the former was 0.88m(?)cm~(-1) and that of the latter was 0.54 m(?)um~(-1). There was an extremely significant correlation between the content of NO_3-N in the soil and the EC (r= +0.860~(**)) and the regression equation was Y=47.7x-1.8. It is assumed preliminarily that the content of NO_3-N may keep in the suitable range of 10~30mg per 100g soil when EC of the fluid is in the range of 0.3~0.5m(?)cm~(-1) under the conditions like those in the experiment.

1)1981年在塑料大棚内每亩施1万斤农肥做基肥,以含N素50斤的尿素做追肥的少肥处理与施N肥量为上述用量3倍的多肥处理,两者的产量没有显著差异。1982年在1981年各处理小区内继续进行少肥和多肥处理,产量仍无明显差异。说明大棚黄瓜适宜施肥量的幅度较广,多肥并没有显示出增产效果。2)在栽培期间,大棚黄瓜土壤浸出液的电导率(EC值)在定植后逐渐升高,采收前降低,在开始追肥后再次升高,停止追肥后下降。但多肥处理一直高于少肥处理,前者最高达0.88毫姆/厘米,后者为0.54毫姆/厘米。3)大棚黄瓜土壤中NO_3—N含量与EC值极显著相关(t=0.860),回归方程为Y=47.7x-1.8。初步认为,在本试验的具体条件下,如果土壤浸出液的EC值在0.3~0.5毫姆/厘米时,土壤中NO_3—N含量可保持在10~30毫克/100克土这一适宜范围之内。

This paper concerns about experiments with Lukangning 10EC against pear scab(Wnturia pirina)in laboratory and field plots.The results showed that Lukangning not only aignficantly inhabit the germination of conidia of Venturia pirina but also has equal even better control effect on pear scab(Venturia pirina) than Bordeaux mixture and no hazard was found on fruits and leaves of pear.Therefore,it is an ideal substitute for Bordeaux mixture.

10%绿康宁胶悬剂防治黑星病的室内及田间试验结果表明,绿康宁不但对梁黑星病菌分生饱子的萌发具有显著的抑制作用,田间防效也明显高于或相当于波尔多液的防治效果,而且不易产生药害,是波尔多液的理想换代产品.

Changes of activity and conformation of ficin (EC 3,4,4,12) in different concentrations of guanidine solution have been studied. Two distinct areas were found in fluorescence spectra:the wavelength of the emission peaks remained unchanged below 2 mol/L GuHCl, but the fluorescence intensity increased with increasing GuHCl concentration. When the concentrations of GuHCl were greater than 2 mol/L, the emission peaks began to redshift.A fascinating phenomenon was found with the changes in activity. Instead...

Changes of activity and conformation of ficin (EC 3,4,4,12) in different concentrations of guanidine solution have been studied. Two distinct areas were found in fluorescence spectra:the wavelength of the emission peaks remained unchanged below 2 mol/L GuHCl, but the fluorescence intensity increased with increasing GuHCl concentration. When the concentrations of GuHCl were greater than 2 mol/L, the emission peaks began to redshift.A fascinating phenomenon was found with the changes in activity. Instead of showing a decrease in activity, the enzyme was found to be activated when GuHCl concentrations were below 1 mol/L, when GuHCl concentration were greater than 1 mol/L,the enzyme activities began to decrease and was totally lost at 6 mol/L GuHCl. The CD spectra also gave a complex result. The relationship between activity and conformational change of ficin seemed to be basically synchronous. It also shows that an appropriate flexibility at the active site is essential for the full expression of enzyme activity.

本文研究无花果蛋白酶(EC.3.4.4.12)在不同浓度盐酸胍溶液中分子构象与活力变化关系。酶的内源荧光光谱,圆二色光谱与酶活力的变化表明:荧光光谱呈现二个明显的变化区域,低浓度胍(低于2mol/L)中,荧光发射峰基本不变,但荧光强度随胍浓度上升,随胍浓度断续增大(高于2mol/L),酶的最大发射波长明显红移。当胍浓度低于1mol/L时,不仅不会使酶失活,反而使酶激活,当胍浓度高于1mol/L以上时,酶逐渐失活,使酶完全失活的胍浓度为6mol/L酶的圆二色光谱也随着胍浓度的改变而发生复杂的变化。将荧光变化,CD谱变化及活力改变结合起来,表明活力的激活与构象的明显变化似是同步发生的,从另一角度进一步说明酶活性部位柔性是充分表现酶活力所必需。

 
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