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extracts
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  提取物
    Effect of Tea Extracts on Dispeling the Alcoholic Intoxication in Mice
    茶叶提取物对小鼠的醒酒作用
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    Toxicological Safety of Tartary Buckwheat Extracts
    苦荞提取物的毒理学安全性
短句来源
    Chemical Properties Analysis of the Protein in Water-Soluble Extracts from Wheat Germ
    小麦胚水溶性提取物中蛋白质的化学特性分析
短句来源
    Study on Chemical Components of Ethanol Extracts from Root,Stem and Leaf of Urtica dioica by GC/MS
    大荨麻根、茎叶乙醇提取物化学成分的GC/MS研究
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    The Effect of QH Acetone Extracts on Cold-resistance of Rice Seedlings
    中草药QH丙酮提取物对水稻幼苗抗寒性的影响
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  “extracts”译为未确定词的双语例句
    STUDIES ON THE INHIBITING EFFECTS OF SOYBEAN SEED EXTRACTS ON THE INFECTIVITY OF SOYBEAN MOSAIC VIRUS
    大豆种子浸提液对大豆花叶病毒侵染力的抑制效应
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    The contents of three compounds were 3.894 mg/g,3.345 mg/g and 0.427 mg/g respectively in extracts with Soxhlet extraction from the leaves,and 2.225 mg/g,1.829 mg/g and 0.241 mg/g respectively from the stems.
    沙地柏叶中的鬼臼毒素、脱氧鬼臼毒素和苦鬼臼毒素含量分别为3.894、3.345、0.427 m g/g,茎中的含量分别为2.225、1.829、0.241 m g/g;
短句来源
    In extracts with SFE-CO2,the content of three compounds were 2.327 mg/g,2.116 mg/g,0.191 mg/g respectively from the leaves,and 1.784 mg/g,1.446 mg/g and 0.108 mg/g respectively from the stems.
    超临界流体萃取沙地柏叶中的3种化合物含量分别为2.327、2.116、0.191 mg/g,茎中的含量分别为1.784、1.446、0.108mg/g。
短句来源
    Determination of the Content of Reducing Sugar and Total Sugar in Glycyrrhiza Extracts
    甘草制剂中还原糖及总糖含量的测定方法探讨
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    LC-ESI-MS metabolic profiling analysis of taxanes from the extracts of Taxus chinensis cell cultures
    中国红豆杉细胞培养物中紫杉烷的LC-ESI-MS代谢轮廓分析
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  extracts
The aqueous and solvent extracts when tested against 11 gram-negative and 2 gram-positive bacteria and 3 fungi expressed activity to most of the organisms.
      
Methanol extract showed more activity amongst all the solvent extracts, particularly remarkable activity recorded against gram-positive bacteria.
      
Aqueous and organic solvent extracts tested by agar-well diffusion method against 12 human pathogenic bacteria and 3 fungal strains showed activity to most of the organisms.
      
Fermentation broth and cell extracts were tested against typed test organisms.
      
The activity profiles of the intracellular and extracellular crude extracts showed that the antibiotic producing culture produces two or more compounds, one being intracellular (antifungal), other being extracellular (antibacterial).
      
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Chinese liquorice (Glycyrrhiza uralensis Fisch.) was cultivated in Harbin since 1962. The morphology and microscopical features of 1 to 4 years old roots are described and illustrated with plates. The contents of water-soluble substances, glycyrrhizic acid and total reducing sugar of the roots are analysed and the results compared in the following table: It is clear that the 2 to 4 years old roots comform the requirments of Chinese pharmacopoeia in all respects. Therefore, the liquorice plant can be cultivated...

Chinese liquorice (Glycyrrhiza uralensis Fisch.) was cultivated in Harbin since 1962. The morphology and microscopical features of 1 to 4 years old roots are described and illustrated with plates. The contents of water-soluble substances, glycyrrhizic acid and total reducing sugar of the roots are analysed and the results compared in the following table: It is clear that the 2 to 4 years old roots comform the requirments of Chinese pharmacopoeia in all respects. Therefore, the liquorice plant can be cultivated in Northeast China and the 3 years old root may be harvested and used for the making of liquorice extracts as it has not only the high yield of root, but also the high contents of water-soluble extrac- tives and .glycyrrhizic acid.

本文报道了中国栽培甘草(Glycyrrhiza uralensis Fisch。)实生根的质量研究结果。主要对一至四年根的形态、构造和主要化学成分的含量做了观察和分析,发现甘草根生长快,二、三年根的粗、长度及重量,都有明显的增长。各年生根在不同季节和不同部位的主要化学成分及它们的含量有不同程度的差别。除一年生根外,二至四年生根的药材性状及含量指标,基本上都符合《中华人民共和国药典》(1963年版)的规定。综合所有研究结果,认为三年根不仅有较高的产量,而且主要化学成分的含量也较高,是药用及生产甘草浸膏的较好的原料,值得进一步研究、生产、推广、应用。

The anthers of six varieties and thirty-nine hybrids of O. sativa subsp. Shien were cultured in vitro. The callus has been obtained in five varieties and thirty-five hybrids. Mean frequency of callus induced from anther was 2.18%. Green plantlets or shoots have successfully been obtained in three varieties and eleven hybrids. The present paper reports primarily the role of basic medium and supplemental constituents in callus induced from anther and in differentiation of root and shoot.1. The best medium inducing...

The anthers of six varieties and thirty-nine hybrids of O. sativa subsp. Shien were cultured in vitro. The callus has been obtained in five varieties and thirty-five hybrids. Mean frequency of callus induced from anther was 2.18%. Green plantlets or shoots have successfully been obtained in three varieties and eleven hybrids. The present paper reports primarily the role of basic medium and supplemental constituents in callus induced from anther and in differentiation of root and shoot.1. The best medium inducing callus from anther of rice has been found to be Miller + 2,4-D 2mg/L + yeast extract 1000mg/L + kinet in 1mg/L + indol-zylasetic acid (1AA) 2mg/L + 15% coconut milk. The highest frequency of callus induced was 11-15% and the mean frequency was over 3%.2. We find in this experiment that the medium Miller, MS and Nitsch can make anther callus of rice (O. sativa subsp. Shien) differentiate green plantlet.3. The ratio of kinetin and auxins has major effect upon callus differentiation of rice (Shien) anther. In our experimental condition it appears that the higher the ratio kinetin/auxin is, the higher the differentiation frequency both in the total, the plantlets and green plantlets. But abovementioned regular relationship is not very obviously observed in O. sativa subsp. Keng.4. The Miller's medium plus IAA 2mg/L is very suitable for root formation in plantlet without root. In this medium not only can root be induced but also it is very good for root development. The weak plantlets become fresher because the root has been well developed after it has been inoculated in this medium. If the plantlets have been transferred in this medium and directly planted into the pots afterward, the plantlets may be viable.

对6个籼稻(oryza sativa Subsp.Shien)品种和39个籼×籼杂种的花药在离体条件下进行培养,有5个品种及35个杂种得到了愈伤组织,平均诱导率为2.18%。在3个品种及11个籼×籼杂种中得到了绿苗或绿芽。本文着重报道基本培养基及其附加成分在诱导籼稻花药产生愈伤组织及根芽分化中的作用。 1.试验了几种诱导愈伤组织的培养基,以Miller培养基+2,4—D2毫克/升+酵母浸出液1,000毫克/升+激动素1毫克/升+吲哚乙酸2毫克/升+椰乳15%为最好。诱导率高者可达11—15%,平均诱导率在3%以上。 2.Ms、Nitsch及Miller培养基均可诱导籼稻花药愈伤组织分化出绿色的花粉植株。 3.籼稻花药愈伤组织的分化,随着激动素/生长素比值的增高,绿苗分化率及总分化率均有提高的趋势。而粳稻的这种关系不甚明显。 4.Miller培养基附加2毫克/升的吲哚乙酸对促进具茎、叶而无根的籼稻花粉小植株产生根有很好的作用。在这种培养基上,不仅可以诱导根的发生,而且根系发达,生长较弱的苗转移到这种培养基后,因根系健壮,生势好,转入盆栽,基本可以全部成活。

The present paper deals with the physiological activity of the leaf extract of Calonyction aculeatum(Linn)House and its promoting effect on tuber production of sweet potato. Calonyction aculeatum is a ornamental species of Convolvulaceae. In the leaf extract it contains physiologically active substance which plays many regulating and controlling effects such as stimulating root development of sweet potato cuttings, increasing germination rate of rice seeds, Promoting growth of rice seedlings and...

The present paper deals with the physiological activity of the leaf extract of Calonyction aculeatum(Linn)House and its promoting effect on tuber production of sweet potato. Calonyction aculeatum is a ornamental species of Convolvulaceae. In the leaf extract it contains physiologically active substance which plays many regulating and controlling effects such as stimulating root development of sweet potato cuttings, increasing germination rate of rice seeds, Promoting growth of rice seedlings and increasing number of peanut flowers. Deta of biological assay shows the physiologically active substance is neither gibberellina nor auxins. On grafting of Calonvction aculcatum to the vine of sweet potato, it will. be interestingly to see that the tuber production in then highly promoted. However while dusting this leaf extract on the leaf surface of sweet potato race "Little five teeth" under appropriate dilution and suitabie time of application, as well as on grafting, where a similar result would be obtained, i, e, the normal course of tuber development has been subjected under some profound influence and it appears as if the tuber is firstly inhibited and then accelerated. The correlationship between inhibition and acceletation and their transversion plays the role of tuber developmnt and the tuber production is thus increased. In these tubers the starch and the total sugar contents are promoted, the dry weight is higher up and the quality, is therefore improved. The strength of the physiological actvity of the leaf extract is calibrated by special method of assay, the so called "Keng rice root suppresion method" and the unit is called "Keng rice unit". Because the rice should be race of subspecies Keng Ting of Oryza sativa Linn. In field spray different race of Crops requires different strength of activity of the leaf extract. Upon repeated tests in field it is worthy to say that 0.5—1.0 "Ki-Keng unit" is the satisfactory strength to induce potato race "Apple red" and sweet potato race "Victory 100" to give excellent yields of tubers. To the former it is better to spray at the initial stage of flowering and to the latter it is suitable to spray at the time of their leaves enveloping the plough rows.

月光花叶提取物中含有生理活性物质,对甘薯的插枝发根,水稻的种子发芽和幼苗生长以及对花生的开花数能起调控作用。它不属于赤毒素及生长素类物质。以适当浓度喷洒甘薯“小五齿”叶面,对块根发育有很大影响,重现了甘薯与月光花嫁接后薯块发育过程中所出现的先抑制后促进的抑促相关规律及其转化过程,并且获得增产;薯块的淀粉含量和(?)醣量增加,晒干率提高,品质有所改善。重复验证了稻根抑制法标定叶提取物的生理活性含量在大田生产上的应用价值,证实了以0.5—1“吉粳单位”浓度在甘薯“胜利百号”封行期,马铃薯“苹果红”始花期进行叶面喷洒都能获得增产。

 
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