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toxin
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  毒素
    Biochemical Characters and Gene Cloning of Aminopeptidase N-Receptor for Bt Toxin in Cotton Bollworm and Its Function in Relation to Bt Resistance
    棉铃虫Bt毒素受体蛋白生化特性、基因克隆及其与抗性的关系
短句来源
    The Application of Gibberella zeae(Schw.)Petch Crude Toxin to Determine the Resistance of the Wheat Varieties
    应用赤霉菌粗毒素测定小麦品种的抗赤霉病性
短句来源
    The Effect of Pathogenic-Fungi Toxin of Rice Blast on Living Cells of Rice Root-Cap
    稻瘟病毒素对水稻根冠活细胞的影响
短句来源
    Preliminary Study on Toxin of Rhizoctonia Solani in Rice Sheath Blight
    水稻纹枯病菌毒素的初步研究
短句来源
    Insecticidal toxin produced by entomagenous fungus Nomuraea rileyi.
    昆虫病原丝状菌Nomuraea rileyi产生的杀虫毒素
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    Study on Bacillus thuringiensis “79007” with high toxin to cotton bollworm
    对棉铃虫高的苏云金杆菌“79007”菌研究
短句来源
    The optimum conditions for the toxin production were studied. The mycelia should be cultured in improved Richard's medium (about pH7) for 15-20 days at 25-30℃, with darkness and shake in hand one time every 6 or 12 hours.
    试验还研究了病菌最佳产条件:菌丝在改良Richard培养液中(pH7左右)中,25~30℃下黑暗培养15~20d,每隔6h或12h人工振荡1次。
    Progress of deratization study on Clostridium botulinum toxin
    肉梭菌素灭鼠研究进展
短句来源
    Study on Bacillus thuringiensis “CZE99985” with High Toxin to Spodoptera exigua
    对甜菜夜蛾高苏云金芽孢杆菌菌株CZE99985的研究
短句来源
    Influence of cultivating conditions on toxin produced by Pestalotiopsis funerea Desm.
    枯斑拟盘多毛孢的培养条件对其产的影响
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  毒素的
    Preliminary Study on Toxin of Rhizoctonia Solani in Rice Sheath Blight
    水稻纹枯病菌毒素的初步研究
短句来源
    Studies on the Toxins of Fusarum solani Ⅱ.Correlation Between Toxin and Disease Resistance of Pea Cultivars
    茄病镰刀菌毒素的研究Ⅱ.毒素与豌豆品种抗病性的关系
短句来源
    The relationships between APN and resistance of cotton bollworm to Bt were discussed in terms of its biochemistry,physiology and molecular biology by analyzing the action modes of Bt toxin.
    本文通过分析Bt毒素的作用方式,从生化、生理、分子生物学等方面探讨了棉铃虫Bt毒素受体蛋白APN与抗性的关系。
短句来源
    ISOLATION, DETECTION TOXICITY AND STRUCTURE OF TOXIN FROM BEAUVERIA BASSIANA
    球孢白僵菌毒素的分离、毒力检测及结构鉴定
短句来源
    Separation and Activity Determination of Alternaria alternata Toxin
    链格孢菌毒素的分离及活性测定
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  “toxin”译为未确定词的双语例句
    Bt Resistance Selection, Receptor Gene Cloning and Synergism of PTD to Cry1Ac Toxin in Plutella Xylostella
    抗Bt小菜蛾的选育、受体基因克隆及PTD对Cry1Ac的增效作用
短句来源
    THE ANTAGONISM BETWEEN DEOXYNIVALENOL(DON) TOXIN AND 2,4-DICHLOROPHENOXYACETIC ACID IN CALLUS DIFFERENTIATION AND K~+ABSORPTION, TRANSLOCATION IN WHEAT
    脱氧雪腐镰刀菌烯醇(Deoxynivalenol)与2,4-二氯苯氧乙酸之间在小麦愈伤组织分化、植株K~+吸收和运输上的拮抗
短句来源
    Factors Affecting Hyphae Growth and Toxin Production of Alternaria brassicae
    白菜黑斑病菌(Alternaria brassicae)菌丝生长和毒素产生条件的研究
短句来源
    A laboratory study was made on the effects of transgenic corn expressing cry1Ab toxin from the bacterium Bacillus thuringiensis(Bt) on the life table of an experimental population of corn leaf aphid Rhopalosiphum maidis Fitch.
    在人工气候箱条件下研究了玉米蚜(Rhopalosiphum maidisFitch)取食表达cry1Ab杀虫蛋白Bt抗虫玉米的实验种群生命表.
短句来源
    On the Temporal and Spatial Expressions of Bt Toxin Protein in Bt Transgenic Cotton
    转Bt基因棉Bt毒蛋白表达量的时空变化
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  toxin
Ochratoxin A was quantitatively monitored in grain extracts by indirect solid-phase enzyme immunoassay with the use of an immobilized conjugate of the toxin with gelatin and polyclonal rabbit antibodies raised against the ochratoxin A-BSA conjugate.
      
This monitoring found that 1.7 to 18.5% of the samples were contaminated with the toxin at a concentration of 25.9-291.7 μg/kg.
      
It has been demonstrated in model experiments that the decrease in the content of BET in the culture fluid is accounted for by the toxin interaction with an attendant product, the exogenous metabolite (EM).
      
Primary Structure of a Short Toxin from the Venom of a Vietnamese Scorpion (Buthus sp.)
      
The complete amino acid sequence of an important toxin (toxin 14) from the venom of a Vietnamese scorpion (Buthus occitanus sp.) has been determined, which includes 35 amino acid residues and three disulfide bridges (molecular weight, 3843 Da).
      
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When seedling of corn inbreds were inoculated with isolates 76-527,76-528, 76-529 of Helminthosporium maydis in the greenhouse, the seed-lings of inbred lines with T male sterile cytoplasm were more susceptiblethan those with normal (non-sterile) cytoplasm. There was no significantdifference between the other male sterile cytoplasm and the normal, however,difference in pathogenicity were expressed in both the form and the size ofthe lesion. The virulence of the toxins produced by the isolate 76-529 wasfar...

When seedling of corn inbreds were inoculated with isolates 76-527,76-528, 76-529 of Helminthosporium maydis in the greenhouse, the seed-lings of inbred lines with T male sterile cytoplasm were more susceptiblethan those with normal (non-sterile) cytoplasm. There was no significantdifference between the other male sterile cytoplasm and the normal, however,difference in pathogenicity were expressed in both the form and the size ofthe lesion. The virulence of the toxins produced by the isolate 76-529 wasfar greater than that of the toxins produced by the isolate 76-361 in in-hibiting the growth of the primary roots of inbred(T male sterile).Thedifference in virulence showed that the two physiologic races (i. e. "T" and"O"races) of H.maydis are both existing in China.

从我国不同地区采集的玉米小斑病菌(Hclminthosporium maydis),通过温室苗期接种鉴定,及其产生的毒素对玉米种子根的抑制作用,发现76-527、76-528和76-529三个分离菌系在T型细胞质雄性不育系幼苗上产生萎蔫型大病斑,而在相对应的正常系以及M、C、CA、EK、D、PS型细胞质雄性不育系幼苗上则产生坏死型小病斑。其中76-529所产生的毒素,对T型细胞质雄性不育系种子根的抑制作用远远大于相对应的正常系,因此,初步认为这些分离菌系类似国外的T小种。而76-361和76-414两个分离菌系对T型细胞质雄性不育系则无上述的特异性。因此,初步认为这些分离菌系类似国外的o小种。

Larvae of Ostrinia furnacalis were infected with spores of Beauveria bassiana or received its toxins through oral aimdinistration or injection into the body cavity and changes in the hae-tnolymph proteins during the course of infection or intoxication were determined. The results showed that the total amount of haemolymph proteins declined and the electrophoretic bands decreased in the treated larvae as compared with the control. However, contact infection with spores would produce this effect after longer...

Larvae of Ostrinia furnacalis were infected with spores of Beauveria bassiana or received its toxins through oral aimdinistration or injection into the body cavity and changes in the hae-tnolymph proteins during the course of infection or intoxication were determined. The results showed that the total amount of haemolymph proteins declined and the electrophoretic bands decreased in the treated larvae as compared with the control. However, contact infection with spores would produce this effect after longer time than injection with isolated toxins. Same amount of the isolated toxins would produce less effect through oral administration than through injection. Toxins isolated from spore powder would produce less effect than that isolated from the subculture media. Some haemolymph proteins were not affected through either method of treatment, as seen in the result of electrophoresis. Some samples of the toxins of Beauveria bassiana used in the experiments have been isolated and preserved for more than seven years and they are still potent.

以白僵菌孢子和提取毒素感染亚洲玉米螟Ostrinta furnacalis幼虫,引起血淋巴蛋白质含量降低,蛋白质凝胶电泳区带减少。无论是孢子感染或经饲喂和注入虫体毒素,试虫血淋巴中皆有不受毒作用影响的稳定性蛋白质存在。还可看出,培养液提取毒素对试虫血淋巴蛋白质的影响大于由菌粉提取的毒素。此外证实了提取毒素经贮存7年仍有毒效。

This is a primary study on existence and actions of deleterious rhi-zobacteria (DRB) in rhizosphere of radish (Raphanus sativns L.).The results are as follows:1.DRB can be isolated from healthy roots of radish and sugar beetsseedlings.They can produce green fluorescence when cultured in King'sB medium.In greenhouse assay they could reduce fresh weight of radishseedlings and roots statistically and sometimes cause distortion of cotyledenof radish.2.Actions of DRB could be inhibited by another kind of shizobae-teria...

This is a primary study on existence and actions of deleterious rhi-zobacteria (DRB) in rhizosphere of radish (Raphanus sativns L.).The results are as follows:1.DRB can be isolated from healthy roots of radish and sugar beetsseedlings.They can produce green fluorescence when cultured in King'sB medium.In greenhouse assay they could reduce fresh weight of radishseedlings and roots statistically and sometimes cause distortion of cotyledenof radish.2.Actions of DRB could be inhibited by another kind of shizobae-teria called plant growth-promoting rhizobacteria (PGPR) in some cases,but are not always effective.3.The isolates of DRB could produce soluble toxins to damage“host”plants directly.The physical and chemical property of the toxinsand their acting mechanisms have not been known by now.4.By scanning electron microscopy(SEM)we found that many bac-teria cells inoculated attached to the root surface of plants.Usingfluo-reseent scanning electron microscopy we also found isolated cells markedby immunofluorescent antibody.Using transmission electron microscopywe did not find any bacteria cells in roots of radish.

本文对萝卜(Raphanus Sativus L.,品种:国光)根部有害细菌的存在、作用及可能的机制进行初步探讨得知:1.在健康萝卜根部,确实分离到了对植物生长有害的细菌;2.有害细菌的作用可不同程度地为根围另一类有益细菌或增产菌(Plant growth-promoting rhizobacteria,简称PGPR)所消除;3.害菌可产生毒素,直接致害寄主植物;4.普通电镜扫描和免疫荧光电镜扫描均在萝卜根表发现有所接种的害菌分离物附着;透射电镜观察没有在萝卜幼根内部发现有细菌分离物存在。

 
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