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napus
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  甘蓝型
     Studies on Genetic System and Heterosis Improvement of Major Agronomic and Quality Traits in Rapeseed (Brassica Napus L.)
     甘蓝型油菜主要农艺品质性状遗传体系和杂种优势改良研究
短句来源
     Studies of Gene Engineering for High Oleate Rapeseed (Brassica Napus)
     甘蓝型油菜高油酸基因工程研究
短句来源
     Studies on the Inheritance of the Newly Discovered Genic Male Sterility Accession "Shaan-GMS" and Molecular Mechanism of Its Genic Male Sterility in Brassica Napus
     甘蓝型油菜(Brassica napus)新型核不育材料Shaan-GMS的遗传及核不育的分子机制研究
短句来源
     Study on P Efficient Mechanism of Brassica Napus in Nutritional Physiology and Genetic Behavior
     甘蓝型油菜磷高效的营养生理及遗传行为的研究
短句来源
     Genetic Mapping of the Fertility Restorer Gene for the Pol CMS and Improving Sclerotinia Sclerotiorum Resistance of Restorer Line by Molecular Marker-assisted Selection in Brassica Napus
     甘蓝型油菜Pol CMS育性恢复基因图谱定位及抗菌核病恢复系的分子标记辅助选择
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  油菜
     Studies on the Mechanism of Interaction between Rapeseed(Brassica napus)Varieties and Sclerotinia sclerotiorum
     油菜(Brassica napus)品种(系)与菌核菌(Sclerotinia sclerotiorum)相互作用机理研究
短句来源
     Studies on the Mechanism of Interaction and Genetic between Rapeseed (Brassica Napus) Varieties and Sclerotinia Selerotirum
     油菜(Brassica napus)品种(系)与菌核菌(Sclerotinia Sclertiorum)相互作用机理及遗传研究
短句来源
     Studies on Genetic System and Heterosis Improvement of Major Agronomic and Quality Traits in Rapeseed (Brassica Napus L.)
     甘蓝型油菜主要农艺品质性状遗传体系和杂种优势改良研究
短句来源
     Studies of Gene Engineering for High Oleate Rapeseed (Brassica Napus)
     甘蓝型油菜高油酸基因工程研究
短句来源
     Studies on the Inheritance of the Newly Discovered Genic Male Sterility Accession "Shaan-GMS" and Molecular Mechanism of Its Genic Male Sterility in Brassica Napus
     甘蓝型油菜(Brassica napus)新型核不育材料Shaan-GMS的遗传及核不育的分子机制研究
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  欧洲油菜
     According to the results of Blastn and Blastp in GenBank, it shares 72%,70%,60%,54% nucleotide sequence identity and 79%,73%,65%,57% amino acid sequence identity with Hordeum vulgare lipid transfer protein gene LTP7a2b and LTPcw-19, Zea mays ltp and Brassica napus ltp separately.
     将核苷酸序列和推断的氨基酸序列在GenBank中进行比较,发现Siltp与大麦脂转移蛋白LTP7a2b和LTPcw-19,玉米脂转移蛋白,欧洲油菜的脂转移蛋白基因的核苷酸序列的同源性分别为72%,70%,60%,54%;
短句来源
     While b624 , which had 440 bp and 134 deduced amino acid,was 86%~90% identical to the cholinephosphate cytidylyltransferase (CPCT) with Arabidopsis thaliana, Pisum sativum and Brassica napus.
     另一个片段b624为440bp,其氨基酸序列与拟南芥、豌豆(Pisum sativum)、欧洲油菜(Brassica napus)等的磷酸乙酰胆碱胞苷转移酶(CPCT)相应区域的同源性高达86%~90%。
短句来源
     SYNTHESIS OF NEW SPECIES AND CYTOGENETIC STUDIES IN BRASSICA Ⅳ. ON THE CHROMOSOME SUBSTITUTION OF BRASSICA NAPUS aacc WITH ITS BASIC SPECIES a'a' AND c'c'
     芸苔属植物油菜的新种合成及其细胞遗传学研究——Ⅳ.欧洲油菜aacc与其两个基本种a′a′和c′c′之间的染色体组替代研究
短句来源
     Brassica napus with the genome aacc (2n=38) was crossed to one of its basic species,B.chinensis with the genome aa (2n=20). Among the individuals in the F_2 population,the chromosome number was found to segregate extensively,varying from 20 to 38 consecutively.
     本文报道了染色体组型为aa cc的欧洲油菜(Brassica napus var.oleifera,2n=38),与其两个基本种之一染色体组型为aa的广东小油菜(B.chinensis var.parachinen-sis,2n=20)进行杂交后,所得F_2群体性状与染色体数目之间的相关状况。
短句来源
     The DNA sequence analysis shows that the two fragments are more than 90% identical to Orychophragmus violaceus, Arabidopsis thaliana and Brassicaceae napus.
     核苷酸同源分析表明,这两段序列与诸葛菜(Orychophragmus violaceus),拟南芥(Arabidopsis thaliana),欧洲油菜(Brassicaceae napus)的同源序列的同源性都大于90%。
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  “napus”译为未确定词的双语例句
     The per hectare yield of Brassica napus L.'RG1' and 'RG2' had reached 3952.5 kg/hm2 and 3561.0 kg/hm2 respectively in the Yongdeng,and 3847.3 kg/hm2 and 3535.0 kg/hm2 respectively in the Jinyuan.
     在甘肃永登县区域试验中,RG1和RG2的产量分别为3 952.5 kg/hm2和3 561.0 kg/hm2;
短句来源
     The herbicidal activity of the title compounds was probed on Brassica napus L. and Echinochloa crusgalli L.Their herbicidal efficiency is below 20% in concentration of 250 mg/L and 20%~30% in concentration of 500 mg/L except that of 1,4-dioxoquinoxaline-2-carbaldehyde γ-hydroxylbutyrylhydrazone which are 74% and 56% respectively on Brassica napus L and Echinochloa crusgalli L in concentration of 500 mg/L.
     研究结果显示,化合物在质量浓度为250mg/L时株防效大都在20%以下,质量浓度为500mg/L时株防效才会达到20%~30%。 1,4 二氧喹喔啉 2 甲醛 γ 羟基丁酰腙在质量浓度为500mg/L时对白菜和稗草的株防效分别达到74%和56%。
短句来源
     WILD INDUSTRIAL OIL PLANT SPECIES IMPROVED BY PROTOPLAST FUSION BETWEEN L.fendleri AND B.napus
     L.fendleri与B.napus原生质体融合改良野生优质工业用油植物研究
短句来源
     The Growth and Development and Yield Variation of the Improved Sterile Line 1141A and It's F_1 in Brassica.napus
     改良后1141A不育系及其F_1代的生育特征与产量变异
短句来源
     The results of pot bioassay in greenhouse indicated that, Triticum, aestivum L. and Oryza sativa L. were safe to NK#94827 at application dosage of 15g/hm2 and 30g/hm2 of soil treatment and foliage spraying, while phototoxicity to Glycine max, Avena sativa L. and Brassica napus L. was observed in all treatments of this study.
     温室盆栽试验结果表明,NK#94827以15g/hm2和30g/hm2进行土壤处理和茎叶处理时对小麦(Triticum, aestivum L.) 和水稻(Oryza sativa L.)
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  napus
Rape (Brassica napus L.) was shown to be an appropriate sentinel plant, sensitive to phenanthrene, which can be used for testing the efficiency of phenanthrene degradation in soil.
      
Using the direct amplification of genomic DNA, we obtained a full-length CLV1 ortholog from canola plants (Brassica napus), and also three CLV1 fragments from rape (B.
      
napus), and false flax (Camelina sativa), which corresponded to the transmembrane domain and a part of the kinase domain of the CLAVATA1 protein.
      
napus were similar by 81 and 87% to the prototype gene from arabidopsis; in the case of shorter gene fragments, the similarity was as high as 91-93 and 98%, respectively.
      
The genetic basis of flowering time and photoperiod sensitivity in rapeseed Brassica napus L.
      
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For four years,both in the large scale production field and in our experimental farm,withdifferent planting date,different spacing,the main stems of three species of Brassica oilplants—B.napus,B.campestris and B.cernua have been studied morphologically,anatomical-ly and ecologically.By examining their leaves,nodes,internodes,branching habits and internalstructures,the main stem of each plant may be divided into three parts:the contractingpart,the elongating part and the tender part.All the three parts...

For four years,both in the large scale production field and in our experimental farm,withdifferent planting date,different spacing,the main stems of three species of Brassica oilplants—B.napus,B.campestris and B.cernua have been studied morphologically,anatomical-ly and ecologically.By examining their leaves,nodes,internodes,branching habits and internalstructures,the main stem of each plant may be divided into three parts:the contractingpart,the elongating part and the tender part.All the three parts are formed basic-ally at the end of the fore-period of the seedling stage.In the later-period of theseedling stage they grow only very slowly till the most favorable growing time when theybegin to lengthen and enlarge and at last become mature plants of definite size.During thelater-period of the seedling stage,the plant does not only grow vegetatively but alsodevelops reproductively.An adequate field management by this time is very important.Andas the inflorescence of the plant is indefinite,no effort should be relaxed in attending to itslater growth and development.In order that the three parts of the main stem of a Brassica oil plant would grow favor-ably,timely planting date,rational spacing should be practised for controlling in some extentthe growth and development of the individuals and promoting the maximum growth and develop-ment of the population to attain the object of fully utilizing the main inflorescence and thebranches from the tender part,and of getting more effective branches from the elongating part.It is necessary to have mare nourishment for those branches on the upper part of the plant fora higher yield.

油菜主茎的生长发育,表现着既连续又中断的性状,从而划分其为缩茎、伸长茎、苔茎三段。各茎段有不同的特性和一定的联系。当伸长茎段上端和苔茎段全部具有有效分枝时,表明油菜个体和群体的协调生育,能达到生产上的要求。

Two auto-allohexaploids with the respective constitution of aacccc and aaaacc were obtained following colchicine treatment with two F_1 triploid hybrids, which had been produced by crossing Brassica napus (aacc, 2n=38) with its two primary species, B. oleracea (cc, 2n=18) and B. chinensi8 (aa, 2n=20) respectively.Morphologically, the two hexaploids are characterized by the general gigantic appearance, diagnostic of the enhancing growth in horizontal direction of such organs as leaves, stems, various components...

Two auto-allohexaploids with the respective constitution of aacccc and aaaacc were obtained following colchicine treatment with two F_1 triploid hybrids, which had been produced by crossing Brassica napus (aacc, 2n=38) with its two primary species, B. oleracea (cc, 2n=18) and B. chinensi8 (aa, 2n=20) respectively.Morphologically, the two hexaploids are characterized by the general gigantic appearance, diagnostic of the enhancing growth in horizontal direction of such organs as leaves, stems, various components of flowers, fruits, et al. This is the feature also unique in autotetraploids. The somatic chromosome numbers of the two hexaploids as identified in the mitosis of root tip cells were found to be 56 and 58 respectively, which are just the doubling of the chromosome numbers of the respective triploids, 28 and 29.During the meiosis of pollen mother cells, both hexaploids form distinctly fewer univalents as compared with the triploids, but showed more trivalents and quadravalents instead.Fertilit s found apparently recovered in the two hexaploids, but it was by no means complete, obviously due to the autotetraploidy of one basic set of chromosomes.Tests on the compatibility of crosses were made between the hexaploids and triploids with three parental species, B. napus, B. oleracea and B. chinensis, and the results showed that the compatibility with any of the three species is much lower in the hexaploids as compared to the triploids. This suggests a more complete sexual isolation being established between the synthesised hexaploids and the parental species.

通过将欧洲油菜(B. napus, aacc)的二个品种分别与其二个基本种甘蓝(B. oleracea, cc)和白菜(B. chinensis, aa)进行杂交所产生的两种三倍体杂种acc和aac,经秋水仙素处理后,获得了两种同源异源六倍体aacccc和aaaacc.它们和同源四倍体一样,具有横向发育的巨大特性.它们的染色体数目,一般正好是两种三倍体数目28和29的加倍而为56和58.它们在减数分裂时的单价体数目比三倍体显著地减少了,但另外却有少量三价体和四价体出现.它们的可育性比三倍体显著地恢复了,但由于其中有同源四倍性部分的存在,因而并不能完全恢复;如再通过一定的选育,或者可有一定的利用希望.它们和欧洲油菜、甘蓝及白菜三种亲本类型之间的可杂交性比三倍体显著地降低了,表示其间的生殖隔离程度似乎是加强了.

The excised anthers of Brassica napus had been cultured on different culture media with various combinations of plant hormones and other supplements. The results obtained showed that the Gamborg's B5 and Miller's media were rather effective for the induction of callus formation from the planted anthers than other media tested. In most conditions, the callus happened to develop readily from the anther filaments and connective tissues. In the case of the differentiation of shoots from callus tissue, our...

The excised anthers of Brassica napus had been cultured on different culture media with various combinations of plant hormones and other supplements. The results obtained showed that the Gamborg's B5 and Miller's media were rather effective for the induction of callus formation from the planted anthers than other media tested. In most conditions, the callus happened to develop readily from the anther filaments and connective tissues. In the case of the differentiation of shoots from callus tissue, our results indicated that the MS medium supplemented with appropriate amount of BA and NAA appeared superior to the same midium supplemented with the combination of kinetin and IAA. The composition of the media used for induction of callus formation markedly affect the subsequent differentiation of anther callus. The temperature was found to be critical for successfully transplanting plantlets from culture vessel into pot. Among the antherderived plant population from F1 progeny of B. napus × B. campestris, different forms of plants were segregated. Besides this, among the second generation's plant populations of the antherderived plants from B. napus, only a few of them appeared uniform in field experiments. It indicated that the frequency of formation of the true pollen-derived plantlets were significantly low in the anther culture of B. napus. Questions remained to be resolved were discussed.

试验了不同培养基配方和不同的激素及附加成分对油菜花药培养的影响。结果表明,对于诱导油菜花药形成愈伤组织,Miller和B_5,配方较好。但在大多数情况下,愈伤组织易从花丝及药隔组织形成。在MS培养基中加入适量的BA和NAA以诱导芽的分化,明显优于用激动素及IAA的组合。诱导培养基的组或对形成的花药愈伤组织随后的分化有明显的影响。温度是提高小苗移栽成活率的关键因素。由甘蓝型油菜×白菜型油菜的F_1植株的花药培养诱导形成的部分植株中出现了明显的分离现象。对花药培养诱导形成的植株的第二代群体的观察表明少数植株的后代群体表现整齐一致。这些结果说明在油菜的花药培养中可能有少数花粉植株的形成。讨论了油菜花药培养中存在的问题。

 
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