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toxin
相关语句
  毒素
    Preparation of Specific McAb-PE40 Chimeric Toxin and Its Kill Action to Cryptosporidium Parvum
    特异性单抗-PE40重组毒素的制备及其对隐孢子虫杀灭作用研究
短句来源
    Study on the Structure and Function of Actinobacillus Pleuropneumoniae ApxⅡ Toxin and Its Mutant
    胸膜肺炎放线杆菌ApxⅡ毒素的结构与功能分析及其突变体的研究
短句来源
    Studies on Toxicity and Bacteria Degradation of Oxytropis Glacialis Toxin
    冰川棘豆毒素的毒性及细菌降解研究
短句来源
    Studied on Antigenicity of Toxin from Clostridium Septicum
    败毒梭菌免疫原性的研究 Ⅱ、败毒梭菌毒素的抗原性
短句来源
    The Bioassay, Extraction and Toxicity of T-2 Toxin
    T-2毒素的生物鉴定、提取及对动物的毒性
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  “toxin”译为未确定词的双语例句
    THE STUDY AND APPLICATION OF BIOLOGICAL TOXIN FOR KILLING GRASSLAND RODENT
    生物毒素灭治草原害鼠研究及其应用
短句来源
    A PRELIMINARY STUDY ON STAPHYLOCOCCUS BOWEL TOXIN MODEL A AND B KILLING PLATEAU PIKA
    A、B型葡萄球菌肠毒素杀灭高原鼠兔的初步研究
短句来源
    The carboxyl-terminal fragment of approximately 15 ku of zonula occludens toxin(ZOT) gene encoding the 264-399 amino acid residue was amplified by PCR and then cloned into the prokaryotic expression plasmids PBCX.
    用PCR扩增了MBP-ZOT质粒上的ZOT基因,该基因编码264~399位氨基酸残基C末端的15kuΔG片段,并与经改造后的质粒PBCX连接。
短句来源
    Competitive enzyme-linked immunosorbent assay for the detection of T-2 toxin
    霉菌毒素T-2Toxin酶联免疫吸附测定方法
短句来源
    Construction of Fusion Gene of Clostridium perfringens of Alpha Toxin and Beta Toxin
    产气荚膜梭菌α-β融合基因的构建
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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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(1) Large amounts of Cl. perfringens type C toxin could be produced when the organism was cultivated either in liver broth or in two types of modified V. F. media. (2) Liver broth which contained 10-40 per cent liver pulp (w/v), proved to be more suitable for the production of Cl. perfringens type C toxin in 16 hours of growth. (3) On comparing the potency of the formalized, alum precipitated, and aluminum hydroxideadsorbed vaccines on sheep and rabbits, results were as follows: when the vaccinated...

(1) Large amounts of Cl. perfringens type C toxin could be produced when the organism was cultivated either in liver broth or in two types of modified V. F. media. (2) Liver broth which contained 10-40 per cent liver pulp (w/v), proved to be more suitable for the production of Cl. perfringens type C toxin in 16 hours of growth. (3) On comparing the potency of the formalized, alum precipitated, and aluminum hydroxideadsorbed vaccines on sheep and rabbits, results were as follows: when the vaccinated animals were challenged by Cl. perfringens type C, aluminum hydroxide-adsorbed vaccine appeared to be the best, alum precipitated vaccine appeared to be fairly good, and formalized vaccine the least satisfactory. On the other hand, when vaccinated animals were challenged with Cl. septicum, the formalized, and the alum treated vaccines were more effective than aluminum hydroxide adsorbed vaccine. (4) Rabbits or sheep which received the adsorbed vaccine intramuscularly attained immunity better than those which received the vaccine subcutaneously. (5) In a series of experiments, two out of three lots of alum precipitated, and aluminum hydroxide-adsorbed vaccines did not lose their potency in protecting against struck after being kept for 22-26 months at 10-30℃, but the other lot decreased in potency after 20 months. However in another experiment, all of three lots of vaccines showed encouraging result in protecting against braxy as the vaccines still maintained their potency after being kept for 20-26 months under the same conditions described above. (6) The immunity established in sheep immunized with either 5 ml of alum precipitated or 5ml of aluminum hydroxide-adsorbed vaccine was prolonged for 6.5 months as determined by artificial challenge with struck and for 7.5 months by braxy. (7) Sheep which received 2ml of the aIum treated mixed vaccine withstood a challenge of braxy but 4-6 ml of the same vaccine was required for struck.

本报告对猝狙菌的培养条件,进行了試驗。証明使用PH7.6含肝块10%的厌气肉肝湯,用于培养猝狙菌,培养16小时,是能够使該菌产生良好毒素的。进行了福、明、鋁三种疫苗的效力比較試驗,証明含鋁胶及明矾等佐剂的菌苗对猝狙能提高效力,其中鋁胶提高效力更为显著,但对快疫效力未見提高。对菌苗的保存期,免疫期,免疫剂量以及免疫方法等进行了試驗。証明混合菌苗保存20个月有的批对猝狙效力显著降低。保存22—24个月对快疫效力仍良好。用混合菌苗5毫升免疫的綿羊,經6个半月对猝狙,9个月对快疫仍有免疫力。用明矾混合菌苗免疫綿 羊,免疫剂量2毫升对快疫,4—6毫升对猝狙,可获得良好结果。肌肉注射菌苗的效力此皮下注射显著优越。

SUMMARY A disease Of new-born piglets characterized by hemorrhagie; diarrhoea and rapid death occured in the rural of Beijing in 1970. Based on the clinical signs and autopsy findings, bacteriologic examinations have been carried out in 53 easses, out of C1. perfringcns type C , and its intestinal toxin content were from 43 casses. Therefore, a diagnosis of Enterotoxemia in piglets hag been established for the first time in China ever ,since.

1970年在北京市郊区发生的新生仔猪拉红稀的急性传染病,在观察了临床症状和病理解剖变化的基础上,经过细菌学检查,53个病例中,有43个分离出C型魏氏梭菌,这些病例的肠内容物中也存在C型魏氏梭菌产生的毒素,结合临床症状和特异的病理解剖变化,确诊为C型魏氏梭菌引起的肠毒血症。群众根据仔猪拉红稀的特征称之为“红痢”,我们沿用了这一为群众惯用的病名,定命为“仔猪红痢”,这是在我国第一次确诊有本病存在。确诊了病原给本病的预防打下了可靠的基础。本病不仅在北京市地区,在其他地方亦有发生。我国发生的仔猪红痢的发病率和死亡率,与H(?)gh,P.报道一的致;其发病的时间和Field,H.I.和Gison,E.A.叙述的相同,我们观察到的仔猪红痢的病理解剖变化,与Hutyra,Marek和Manninger,M(?)esy和Howard,W.Dunne和Alien D.Leman 描绘的一样。据Brooks,M.E.Sterne,M.Warrack,G、H、和Warrack,G.H.以及Sterne,M.Warrack,G.H、等人报道,仔猪红痢病原菌,按Wilsdon分类,属于C型魏氏梭菌,但在次要毒素δ和μ,尤其是δ毒素上与...

1970年在北京市郊区发生的新生仔猪拉红稀的急性传染病,在观察了临床症状和病理解剖变化的基础上,经过细菌学检查,53个病例中,有43个分离出C型魏氏梭菌,这些病例的肠内容物中也存在C型魏氏梭菌产生的毒素,结合临床症状和特异的病理解剖变化,确诊为C型魏氏梭菌引起的肠毒血症。群众根据仔猪拉红稀的特征称之为“红痢”,我们沿用了这一为群众惯用的病名,定命为“仔猪红痢”,这是在我国第一次确诊有本病存在。确诊了病原给本病的预防打下了可靠的基础。本病不仅在北京市地区,在其他地方亦有发生。我国发生的仔猪红痢的发病率和死亡率,与H(?)gh,P.报道一的致;其发病的时间和Field,H.I.和Gison,E.A.叙述的相同,我们观察到的仔猪红痢的病理解剖变化,与Hutyra,Marek和Manninger,M(?)esy和Howard,W.Dunne和Alien D.Leman 描绘的一样。据Brooks,M.E.Sterne,M.Warrack,G、H、和Warrack,G.H.以及Sterne,M.Warrack,G.H、等人报道,仔猪红痢病原菌,按Wilsdon分类,属于C型魏氏梭菌,但在次要毒素δ和μ,尤其是δ毒素上与典型的C型魏氏梭菌,即羊猝狙菌不同,后者产生δ毒素,不产生μ毒素,而前者不产生δ毒素,但少数菌株产生μ毒素,因而将仔猪红痢病原菌列为C型魏氏梭菌的一个亚型。我们也在对这两种病原菌进行产生的各种毒素的测定试验,结果另行报告。

1.It was reported from a few pig farms in the spring of 1976 that the immunity conferred by the original enterotoxaemia vaccine was not as good as expected.After investigating on this condition,we suggested that it might be due to the low level of doses used or an insufficient antigen content in the vaccine. 2.To improve the quality of this vaccine a concentrated aluminium hydroxide vaccine was produced with a mixed culture of two different strains ofCIostridium perfringens type C,one of them was isolated from...

1.It was reported from a few pig farms in the spring of 1976 that the immunity conferred by the original enterotoxaemia vaccine was not as good as expected.After investigating on this condition,we suggested that it might be due to the low level of doses used or an insufficient antigen content in the vaccine. 2.To improve the quality of this vaccine a concentrated aluminium hydroxide vaccine was produced with a mixed culture of two different strains ofCIostridium perfringens type C,one of them was isolated from a piglet died of enterotoxaemia,the other from a sheep died of “stru- ck”. 3.On the basis of experiments with this in:proved vaccine,we rec- ommended using two injections,5-10ml each,to immunize the pregnant sows which had not been injected with this vaccine before,and one inj- ection,3-5 ml per dose,for the pregnant sows which had been given this vaccine. 4.In some pig farms in which piglet enterotoxaemia was prevalent previously,the disease have been prevented by using the improved vac- cine. 5.The difference between the toxins produced by the Clostridium pe- rfringens type C isolated from sheep and from piglet is being investigat- ed and the results will be reported in future.

1.1976年春少数猪场反映仔猪红痢菌苗效力不确实的原因,可能是由于在菌苗的使用方面存在一些问题;菌苗剂量偏小,不足以使全部怀孕母猪产生充分的免疫力;以及菌苗包含的抗原不够全面;同时仔猪还存在一些其他疾病所造成的。2.在菌苗中加入了由仔猪红痢分离的 C 型魏氏梭菌,制成浓缩菌苗,增加了免疫剂量中的有效抗原含量。3.开始使用菌苗时,为了使怀孕母猪莸得可靠的免疫,而使仔猪得到保护,最好注射两次菌苗,每次5~10m1,在注射1~2胎后,连续产仔时,可注射一次菌苗,3~5ml。4.改进后的浓缩菌苗,在几个发生仔猪红痢的猪场使用,遏止了该病的发生,发病较重的猪场,已定为制度,按期注射菌苗。5.用羊猝狙和仔猪红痢分离的 C 型魏氏梭菌,产生的毒素种类是否不同,尚在研究中。

 
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