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serological
相关语句
  血清学
    SEROLOGICAL DETECTION OF WHEAT ROSETTE STVNT VIRUS(WRSV)
    小麦丛矮病毒(WRSV)的血清学检测法
短句来源
    STATUS AND PROBLEM ON STUDYING PREY-PREDATOR RELATIONSHIPS BY SEROLOGICAL TECHNIQUES
    应用血清学技术研究捕食者与猎物关系的现状及问题
短句来源
    SEROLOGICAL DETECTION OF VIRUSES ON SWEET POTATO IN CHINA
    中国甘薯病毒的血清学检测
短句来源
    STUDIES ON THE SYMPTOM OF RICE INFECTED BY BARLEY YELLOW DWARF VIRUS((BYDV)AND SEROLOGICAL RELATIONSHIP
    水稻感染大麦黄矮病毒(BYDV)的症状及其血清学性质
短句来源
    SEROLOGICAL IDENTIFICATION OF POTATO VIRUS Y AND TURNIP MOSAIC VIRUS IN VEGETABLE FIELDS
    菜田植物病毒病种类调查及血清学鉴定——马铃薯Y病毒和芜菁花叶病毒的分布
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  “serological”译为未确定词的双语例句
    SEROLOGICAL STUDY OF RICE DWARF VIRUS
    水稻普通矮缩病毒抗血清制备和血清反应方法研究
短句来源
    IDENTIFICATION AND SEROLOGICAL DETECTION OF ODONTOGLOSSUM RINGSPOT VIRUS INFECTING ORCHIDS IN HAINAN
    侵染兰花的齿兰环斑病毒的分离、鉴定及检测研究
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    The serological detection of grapevine leafroll virus and fanleaf Viruses in Gansu province
    甘肃葡萄扇叶病毒和卷叶病毒的检测
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    The neonate of H. armigera was more sensitive to the fermented broth of WY-197than that of WY-190.In addition, the study discussed the morphological, physiological and biochemical properties and crystal proteins of WY-190 and WY-197. The serological identification indicated WY-190 and WY-197 were Hs^b serotype (B.thuringiensis subsp. Kurstaki);
    对WY-190和WY-197菌株的形态特征、生理生化特性和伴孢晶体蛋白的观察和研究结果表明,WY-190和WY-197都属于H_(3a3b)血清型(subsp.Kurstaki);
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    citrulli ( Ab) and Clavibacter michiganense subsp. michiganense (cmmbj) have been successfully obtained by common serological method, they are 1001,1002 of anti Ab, and 1011 of anti cmmbj.
    citrulli(Ab)全菌体血清1001和1002,抗Clavibacter michiganense subsp. michiganense(cmmbi)全菌体血清1011。
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  serological
LPSs were similar in the composition of lipid A and the core lipid but differed in the structure of O-specific polysaccharide chains, which was corroborated by the absence of serological relationships between them.
      
Application of the Serological Method for Evaluation of Relations between Gymnospermous and Dicotyledonous Plants
      
The chemical basis for serological differentiation of L.
      
Based on structural similarities of the O-specific polysaccharides and serological relationships between the O-antigens, we propose to extend Proteus serogroups O17 and O19 by including P.
      
The correlations of immunological and serological parameters with somatotype axes indicate that individual typological variations in the immune status are essentially determined by morphological (constitutional) features of the body during puberty.
      
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Using potato tubers of Irish cobbler variety naturally infected with X- and Y-virus, the writer compared the concentrations of X-virus in the young sprouts of different seed pieces longitudinally cut from the same tuber and subjected to various temperatures, light and darkness, normal and dereased oxygen tensions during the period of germination. Comparison of the virus concentrations was made by serological precipitin test and local lesion counts on half-leaves of Gomphrena globosa. Thermostat experiments...

Using potato tubers of Irish cobbler variety naturally infected with X- and Y-virus, the writer compared the concentrations of X-virus in the young sprouts of different seed pieces longitudinally cut from the same tuber and subjected to various temperatures, light and darkness, normal and dereased oxygen tensions during the period of germination. Comparison of the virus concentrations was made by serological precipitin test and local lesion counts on half-leaves of Gomphrena globosa. Thermostat experiments showed that tubers germinated under 20℃. gave rise to sprouts containing highest amount of X-virus, with a precipitin titer of generally 1:80 to 1:160, reaching a maximum of 1:320, average half-leaf lesions numbered approximately 30. The virus concentrations under 16℃. and 24℃. were very close, both with precipitin titer about half and lesion number about two third of those under 20℃. There was evidently a further decrease of virus conoentration in the sprouts derived from seed pieces germinated under 28℃. The sprouts germinated under darkness gave a precipitin titer ahnost 4 times higher than those germinated under light. No difference in X-virus concentration has been observed among sprouts aerated with 21%, 10%, 5% oxygen during their germination. There was no detectable change of virus concentration, even when root growth from the sprouts was entirely inhibited under decreased oxygen tension. It is not immediately clear whether the above stated factors affect the multiplication of X-virus in the potato sprouts or the mobilization and translocation of the virus already present in the tuber into tte germinating sprouts.

著者曾以感染着X-和Y-病毒的早熟白品种的馬鈴薯块茎,用血清沉淀反应和在千日紅上接种的方法,研究了块茎发芽期間温度、光和氧气对幼芽內X—病毒浓度的影响。在試驗中均用同一块茎的切块作每种条件变化的处理。在定温箱內所做的发芽温度試驗的結果指出,块茎在20℃中发出的幼芽內X-病毒的浓度最高,沉淀滴度一般在1/80—1/160之間,最高的达到1/320,千日紅上平均半叶斑点数目約为30。16°及24℃中的病毒浓度相近,沉淀滴度約为20℃的1/2,斑点数目达20℃的2/3左右。28℃发出的幼芽內病毒浓度最低,平均沉淀滴度約在1/10—1/20之間,平均半叶斑点数目为11.9。块茎在黑暗和光照下发芽的試驗表示,在光照下发出的幼芽內X-病毒浓度显著低于黑暗下发芽的,其沉淀滴度的比例約为1∶4。当块茎在正常空气以及10%、5%的氧气条件下发芽时,沉淀滴度和接种試驗都未发現幼芽內X-病毒浓度的可测定的差異,而在氧分压低的条件下发的芽由于生长量較少,按整芽計算的病毒总量也相应較低。

A new virus disease of rice occurred in Fukien province recently. Twotypes of symptoms were noted. The grassy type was rather similar in someaspects to the grassy stunt disease of rice but the diseased leaves were softand without rusty spots, while the dwarf type was similar some whatto the dwarf diease but without chlorotic specks and streaks. The diseasewas transmitted by Nephotettix cincticeps and N. impicticeps. It was nottransmitted by Recilia dorsalis, Erythroneura subrufa, Nilaparva lugens andRhopalosiphum...

A new virus disease of rice occurred in Fukien province recently. Twotypes of symptoms were noted. The grassy type was rather similar in someaspects to the grassy stunt disease of rice but the diseased leaves were softand without rusty spots, while the dwarf type was similar some whatto the dwarf diease but without chlorotic specks and streaks. The diseasewas transmitted by Nephotettix cincticeps and N. impicticeps. It was nottransmitted by Recilia dorsalis, Erythroneura subrufa, Nilaparva lugens andRhopalosiphum padi. No other means of transmission was successful. Thevirus were of spherical particles and of no serological relation to RDV. Thevirus was persistent in the insect vectors but not transovarial. This virusdid not infect Echinochloa crusgalli which was highly susceptible to RDV.This new disease was named Dwarf-like disease of rice.

水稻类普矮病在闽西、闽北和闽南均有发生,其为害性不可忽视。病害症状因品种不同而表现为两种基本类型——普矮型和草丛型。将类普矮病和普矮病接种在同一稻苗上.可先后产生各自的症状。病害仅能通过黑尾叶蝉和二点黑尾叶蝉传播。电光叶蝉、白翅叶蝉、褐飞虱和缢管蚜均不传病。病土、病种子和病株汁液也不能传病。对黑尾叶蝉的一些传病特性作过测定。带毒的黑尾叶蝉能终身传毒,但有明显的间歇现象,不经卵传播。将带有普矮病毒和类普矮病毒的黑尾叶蝉分别接种在健康的稗草上。结果证明稗草很容易感染普矮病毒,而不能感染类普矮病。类普矮病毒质粒球状.与普矮病毒抗血清无免疫反应。根据病害的传播方式、症状表现和野生寄主——稗草的反应,以及病毒的形状和血清反应,初步认为水稻类普矮病(Rice dwarf-like disease)是禾谷类作物上的一种新的病毒病。

A wilting type of bacterial blight has been found to occur widely in thehybrid ricer, Nan-you No. 2 and Nan-you No. 3. The disease development wasconspicuous especially in the later seedling and vigorous tillering stages.The characterisntic symptoms produced were,(1)the youngest leaf or 1-2leaves fold up and roll along the midrib;(2)the cutting surface of thestem base exudates a yellow viscid substance after being pressed;(3)therest leaves become wilting and the diseased plant eventually dies. The symptomsof...

A wilting type of bacterial blight has been found to occur widely in thehybrid ricer, Nan-you No. 2 and Nan-you No. 3. The disease development wasconspicuous especially in the later seedling and vigorous tillering stages.The characterisntic symptoms produced were,(1)the youngest leaf or 1-2leaves fold up and roll along the midrib;(2)the cutting surface of thestem base exudates a yellow viscid substance after being pressed;(3)therest leaves become wilting and the diseased plant eventually dies. The symptomsof the late infected plant were similar to the commen bacterial leaf blight. The causal organism of the wilting type was compared with one of thecommon type isolate in cultural characteristics, physilogical and biochemicalproperties, serological reactions and bacteriophage reactions, there was nodifference to be found between them. However they were distinctly differentin pathogenicity and in the symptoms produced on the rice plant. Isolatesfrom specimens showing wilting symptoms varied also in degree of infectivity. The relation between the different infections routines of the causalorganism and the inoculation tests revealed that wounds on the root and thestem base were the major sites of infection which lead to the wilting of the plant. It was found that only the isolates of high virulence induced the wiltingsymptoms. It is therefore considered, the causal organism of the wiltingtype of hybrid rice plant is identical to Xanthomonas oryzae (Uyeda etIshiyama) Dowson. It is suggested that in the breeding of the resistant hybrid rices, attent-ion must be taken to employ resistent parents, especially belonging to theR lines.

杂交水稻南优2号、南优3号近年来在湖南普遍发生枯心凋萎现象。病株除在秧苗后期至分蘖盛期呈现枯心、凋萎死亡和茎基有大量菌脓的突出症状外,拔节期后继续发病的稻株逐渐转为叶片受害,甚至在壮苞期引起死穗现象。此外,在调查中还发现少数常规品种偶有发生,但受害轻微。从枯心凋萎病株上分离的菌株与稻白叶枯菌在培养性状、生理生化性状、血清反应以及噬菌体反应等方面的比较测定中,结果表现一致,可以确定这种枯心凋萎现象是由病原细菌Xanthomonas oryzae(Uyeda et Ishiyama)Dowson引致的凋萎型白叶枯病。“凋萎型”和“普通型”的不同菌株存在侵袭力强弱不同的差异。但侵袭力强的菌株并不局限来自凋萎型病株。湖南分离的4个“凋萎型”菌株和1个“普通型”菌株均属侵袭力强的菌株,而广东提供的1个“凋萎型”菌株和湖南的1个“普通型”菌株则属侵袭力弱的菌株。根据人工接种试验,根部及茎基的伤口是病菌导致稻株枯心凋萎的主要侵入途径,但受菌株侵袭力和品种抗病性强弱的影响。供试的侵袭力强或弱的菌株,通过剪根和针刺茎基接种于感病品种南优2号秧苗上,均可导致系统性感染而出现大量枯心凋萎株;但在抗病品种IR26上,侵袭力强的菌株除...

杂交水稻南优2号、南优3号近年来在湖南普遍发生枯心凋萎现象。病株除在秧苗后期至分蘖盛期呈现枯心、凋萎死亡和茎基有大量菌脓的突出症状外,拔节期后继续发病的稻株逐渐转为叶片受害,甚至在壮苞期引起死穗现象。此外,在调查中还发现少数常规品种偶有发生,但受害轻微。从枯心凋萎病株上分离的菌株与稻白叶枯菌在培养性状、生理生化性状、血清反应以及噬菌体反应等方面的比较测定中,结果表现一致,可以确定这种枯心凋萎现象是由病原细菌Xanthomonas oryzae(Uyeda et Ishiyama)Dowson引致的凋萎型白叶枯病。“凋萎型”和“普通型”的不同菌株存在侵袭力强弱不同的差异。但侵袭力强的菌株并不局限来自凋萎型病株。湖南分离的4个“凋萎型”菌株和1个“普通型”菌株均属侵袭力强的菌株,而广东提供的1个“凋萎型”菌株和湖南的1个“普通型”菌株则属侵袭力弱的菌株。根据人工接种试验,根部及茎基的伤口是病菌导致稻株枯心凋萎的主要侵入途径,但受菌株侵袭力和品种抗病性强弱的影响。供试的侵袭力强或弱的菌株,通过剪根和针刺茎基接种于感病品种南优2号秧苗上,均可导致系统性感染而出现大量枯心凋萎株;但在抗病品种IR26上,侵袭力强的菌株除引致病株部分叶片呈现症状外,也可引致少量枯心凋萎株,而侵袭力弱的菌株,仅引致部分叶片发病。

 
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