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control treatment
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  对照处理
     The CO_2, CH_4,N_2O flux of fertilization increased 34%,145%,110%,respectively,comparing to the control treatment.
     氮输入促进了三江平原CO2、CH4和N2O 3种主要温室气体的排放,与对照处理相比,其排放通量分别升高了34%,145%和110%.
短句来源
     In contrast, the viable cell counts of the control treatment were 7.8×10~8cfu/mL.
     ⑥经18%的NaCl溶液处理后,微胶囊化菌株的活菌数(11.7×10~8cfu/ml)明显高于对照处理的活菌数(0.4×10~8cfu/ml)。
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     Soil samples collected from the upper 20-cm soil layer in Changbai Mountain were treated with three different forms of nitrogen fertilizers: NO3--N, NH4+-N and NH4NO3. The results showed that the soil pH and available P near the roots were all lower than in the bulk soil in control treatment.
     土壤样品长白山20mm土壤层,用不同形式的氮肥(NO3--N,NH4+-N和NH4NO3)进行处理,结果表明: 对照处理时近根pH值与有效P均低于土体;
短句来源
     On long time scale of 20, 100, and 500-year period, the integrated global warming potential (GWP) of CH_4+N_2O released during the growing season for the treatments of nitrogen addition was 150%, 150% and 80%, respectively, higher than that for the control treatment, which suggested that the nitrogen addition could enhance the GWP of the CH_4 and N_2O either in long time or short time scale.
     在20、100和500年时间尺度上氮输入处理的CH4和N2O全球增温潜势(GWP)分别比对照处理增加了150%、150%和80%,表明氮输入在长、短时间尺度上都是增强CH4和N2O的温室效应的.
短句来源
     urticae of the high fertilization treatment was 101.10 per leaf,which was 1.51 times,2.76 times and 2.73 times compared to that of middle,low and control treatment respectively.
     高肥处理的叶螨平均发生量为101.1头·叶-1,分别是中肥、低肥、对照处理的1.51、2.76和2.73倍。
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  “control treatment”译为未确定词的双语例句
     Feed to live weight the of the control, treatment group land 2 were 2 .77: 1,2.55: 1 and 2.46: 1 successively.
     科重比(耗料与活重之比)试1组2.55:1、试2组2.46:1,分别比对照组(2.77:1)降低耗料7.94%和11.17%;
短句来源
     At 5-trifoliate stage,the proline and MDA contents of three soybean varieties were 1.38%~22.96% and 12.60%~44.50% lower than the control treatment(0.00mg/kg),11.11%~(57.90%) and 9.87%~71.61% lower than the control at full flowering.
     3个大豆品种五叶期时脯氨酸和MDA含量较对照(0.00mg/kg)降低1.38%~22.96%和12.60%~44.50%,盛花期时则下降了11.11%~57.90%和9.87%~71.61%;
短句来源
     that of control treatment; the content of MgO, MnO, Al2O3, Fe2O3, P2O5 is 20%-60% higher and the cohtent of SiO2. Na2O is 2O%~4O% lower than that of control;
     MgO、MnO、Al2O3、Fe2O3、P2O5高于对照20%~60%; SiO2、Na2O下降20%~40%;
短句来源
     Compared to the control treatment,the application of bone char at the rate of 10 g·kg-1 could decrease Fe concentrations in roots of KY1360,94D-54 and YY-1 by 46.2%,31.7% and 27.2% respectively,whereas those of Pb concentrations decreased by 60.6%,65.6% and 53.3%.
     kg-1土时,科优1360、94D-54和远诱1号的Fe含量分别比不施骨炭时降低46.2%、31.7%和27.2%,Pb含量分别降低60.6%、65.6%和53.3%。
短句来源
     While in the control treatment a slightly reduced blood pressure from (157±26/92±12)mm Hg to (150±25/90±11)mm Hg with no significant difference (P>0.05).
     对照组治疗前后分别为(157±26/92±12)mmHg和(150±25/90±11)mmHg,无显著差异(P>0.05)。
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  相似匹配句对
     Treatment (the control group).
     观测两组治疗后血流变学变化。
短句来源
     L. P. treatment.
     L. P.
短句来源
     U. in control.
     U.
短句来源
     C:Control;
     C组(假手术组);
短句来源
     normal control treatment group.
     正常对照给药组。
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  control treatment
The addition of 1 and 5 mM L-phenylalanine, which is not a primary precursor to alkaloids, induced the accumulation of alkaloids by the 17th day of the growth cycle by 40 and 140%, respectively, as compared to control treatment.
      
In control treatment (with water), guanosinethiodiphosphate retarded exudation on the average by 30% in intact roots and by 50% in mittens, simultaneously reducing Q10 from 3.0 to 1.7 in intact roots and from 4.0 to 1.3 in mittens.
      
Four levels of S (0, 10, 20, and 30 kg/ha) and three levels of N (40, 60, and 80 kg/ha) and a control treatment with both nutrients at zero level were included in the experiments.
      
Methods In a randomized, double blind crossover design, 12 mildly hypercholesterolemic men received either a free phytostanol supplement (3 g/d in 3 servings) or a control treatment for 3 days.
      
Of the nine studies, six yielded a positive result suggesting that acupuncture is effective, and three produced a negative finding implying that acupuncture is not superior to control treatment.
      
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For the study of the influence of oxidation-reduction conditions of thesoil on the growth of rice plant,pot experiments with three paddy soilswere conducted.The used soils included an acid paddy soil derived from quartiary red clay,an acid mountain paddy soil derived from granite anda neutral alluvial paddy soil.It was found that the application of green manure just before plantingin amount equivalent to 1% of the soil led to the retardation of growth ofrice as compared with the control treatment;dry weights...

For the study of the influence of oxidation-reduction conditions of thesoil on the growth of rice plant,pot experiments with three paddy soilswere conducted.The used soils included an acid paddy soil derived from quartiary red clay,an acid mountain paddy soil derived from granite anda neutral alluvial paddy soil.It was found that the application of green manure just before plantingin amount equivalent to 1% of the soil led to the retardation of growth ofrice as compared with the control treatment;dry weights of tops of riceplant amounted to only 78%,22% and 45% respectively of the controls forthe three soils.The difference in growth between the two treatments wasmost remarkable in the early period of plant growth.If the green manurehad been decomposed for one month in pot under semi-aerobic conditionsbefore planting,then the unfavorable effect could be noted only in theneutral alluvial paddy soil which contained a relatively larger amount oforganic matter.The improvement of oxidation-reduction conditions of the soil by inter-mittent applications of hydrogen peroxide and keeping the soil moisturecontent at a level of about 50—70% of water-holding capacity instead ofwaterlogging improved plant growth in soils with intensive reductionprocesses,the effect being most conspicuous in the acid mountain paddysoil where the unfavorable effect of green manure was also most remark-able.Measurements of oxidation-reduction potentials of leaves and stalks ofrice showed that the potentials were lowest when grown in pots with greenmanure,and were highest when hydrogen peroxide had been applied intothe soil.There was also a rough correlation between potentials determinedwith platinum electrode and with quinhydrone electrode,thus indicatingthat the redox systems of rice plant when grown under different oxidation-reduction conditions were not the same both expressed as intensity factor(redox potential)or as quantity factor(the change in redox potential ofquinhydrone).For the purpose of explaining the unfavorable effect of intensively re-duced conditions of the soil on the growth of rice plant,it was noted thatthere was a parallelism between the amounts of exchangeable and water-soluble ferrous iron of the soil and the magnitudes of unfavorable effect.Further pot experiment confirmed this supposition,in which the applicationof ferrous sulfate in amount of 50 mg.iron per 100 grams of soil alreadyled to the retardation of growth of rice.Conclusions were made that the unfavorable effect of reduction condi-tions of paddy soils on the growth of rice was due to the excessive amountof reduced materials,in which ferrous iron probably occuppied an out-standing position,and measures leading to the improvement of oxidation-reduction conditions of the soil could overcome this unfavorable effect.

1.土壤处于强烈的还原条件下时,对水稻生长有不良的影响,如果将土壤中的氧化还原条件改善,则对水稻的生长有益。2.土壤中的氧化还原情况,直接影响水稻体中的氧化还原电位,土壤电位低者,水稻中的电位也低。3.土壤中还原性物质的数量与水稻生长情况表现了明显的一致性,可见水稻在强烈还原条件下的生长不良,与还原性物质的过多有关。在还原性物质中,亚铁离子约占一半左右。4.试验结果指明,土壤中过多的亚铁离子,对水稻有毒害作用。

Field observations and laboratory studies revealed that the “white soil” in Tai Lakeregin was formed as a result of surface water-logging.The iron content of the wholesoil and the clay fraction in the “white horizon” at a depth of from about 25 cm to 40cm was rather low,and as a consequence the alumina/iron oxide ratio of the “WhiteHorizon” was high as compared with other horizons.The soil differed from the “de-graded paddy soil” of Japan in that it was not a result of present-time formation.The infertility...

Field observations and laboratory studies revealed that the “white soil” in Tai Lakeregin was formed as a result of surface water-logging.The iron content of the wholesoil and the clay fraction in the “white horizon” at a depth of from about 25 cm to 40cm was rather low,and as a consequence the alumina/iron oxide ratio of the “WhiteHorizon” was high as compared with other horizons.The soil differed from the “de-graded paddy soil” of Japan in that it was not a result of present-time formation.The infertility of the soil was found to be due chiefly to the lack of available nitro-gen and phosphorus,especially in the “white horizon”.Field experiment revealed thatthe application of large amount of manures and fertilizers could increase the yield of riceby about three times as compared with the control treatment.

根据研究结果,认为太湖地区的低产白土,曾经遭受过一定程度的表面潜育过程。但是白土层的出现,并不是现代水稻土成土过程的产物,而且这种白土的特性,又与太湖地区的一般脱沼泽土不同。这种白土的低产原因,是由于施肥过少,因而有效养分,特别是氮和磷比较缺乏所致。物理性质不良也可起有一定影响。由于有机质含量和胶体含量都较少,所以保蓄养分的能力也较差。通过田间试验证明,深耕结合施用大量有机肥料,可以变低产为高产,在一次改良措施后,水稻即可增产一倍以上。

The stem explants and the seedlings of Rubus Suavissimus were grown on MS basal medium, the effects of plant hormones on organo-genesis were studied. The results showed that BA markedly stimulated the bud formation and proliferation in concentration ranging from 0.5 to 2.0 mg/l, but. there was no bud formation in control treatment (MS basal medium). Cytokinin was necessary for bud initiation. In using the combination of BA 0.5-2.0 mg/l and GA3 1.0 mg/1, the efficiency of bud formation and proliferation...

The stem explants and the seedlings of Rubus Suavissimus were grown on MS basal medium, the effects of plant hormones on organo-genesis were studied. The results showed that BA markedly stimulated the bud formation and proliferation in concentration ranging from 0.5 to 2.0 mg/l, but. there was no bud formation in control treatment (MS basal medium). Cytokinin was necessary for bud initiation. In using the combination of BA 0.5-2.0 mg/l and GA3 1.0 mg/1, the efficiency of bud formation and proliferation of the stem explants was decreased, but the shoot was taller and young leaf was growing well. Throught subculture numerous plantlets could be propagated. It suggests that the possibility of numerous plantlets could be secured from a single explant. When the shoots were transferred into 1/2 MS basal medium with 0.25-0.50mg/MBA, theyd eveloped into whole plantlets with root systems. Transplanting of test-tube plantlets in the soil was succeeded and plants were grown well.

甜茶的茎段和实生苗培养在MS基本培养基中,研究植物激素对器官形成的影响,试验结果表明BA0.5-2.0毫克/升明显促进芽的形成和增殖;而对照(基本培养基)无形成芽。细胞分裂素对芽的起动是必需的。BA0.5-2.0毫克/升和GA_s1.0毫克/升配合使用,对茎段形成芽和增殖反而减少,但形成的苗较高和幼叶生长良好。通过继代培养,可繁殖大量小苗,它揭示出同一块外植体生长出许多小植株的可能,将无根苗转入含有IBA0.25-0.50毫克/升的1/2MS培养基中,能诱导生根,发展完整植株。试管苗移植土壤中,获得成功,幼苗生长良好。

 
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