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virus
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  病毒
    Biological and Biochemical Characterization of Envelope Gene of Subgroup J Avian Leukosis Virus
    禽白血病病毒J亚群囊膜糖蛋白基因的生物学和生物化学特性
短句来源
    Transformation and Expression of an Avian Influena A (H5N1) Virus Gene(h5nla) in Transgenic Potato——Compared with Expression of Hepatitis B Surface Antigen(HBsAg) in Transgenic Potato
    禽流感病毒(H5N1)基因(h5n1a)在马铃薯中的转化与表达研究——附:乙肝表面抗原(HBsAg)基因转化的对比研究
短句来源
    Complete Genomic Sequence of Porcine Reproductive and Respiratory Syndrome Virus Strain CH-1a & Structural and Functional Analyses of lts Envelope Protein
    猪繁殖与呼吸综合征病毒CH-la株基因组解析及其囊膜蛋白结构与功能分析
短句来源
    PROTECTION OF CHICKENS AGAINST AVIAN INFLUENZA WITH RECOMBINANT FOWLPOX VIRUE EXPRESSING HA-NA, HA-NP OR NP OF AVIAN INFLUENZA VIRUS
    表达禽流感病毒HA-NA、HA-NP及NP基因重组禽痘病毒的构建及其免疫效力的研究
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    Cloning, Expression and Transformation of Barley Yellow Dwarf Virus GPV ORF5 Gene
    大麦黄矮病毒GPV株系ORF5基因的克隆、表达载体构建及转基因研究
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  型病毒
    ESTABLISHMENT OF HYBRIDOMA CELL LINE PRODUCING MONOCLONAL ANTIBODIES OF ANTI-DENGUE VIRUS TYPE 4
    产生抗登革4型病毒单克隆抗体杂交瘤细胞系的建立
短句来源
    MONOCLONAL ANTIBODIES SPECIFIC FOR DENGUE VIRUS TYPE 4
    登革4型病毒的单克隆抗体
短句来源
    IDENTIFICATION OF DISTINCT ANTIGENIC DETERMINANTS ON DENGUE-3 VIRUS USING MONOCLONAL ANTIBODIES
    用单克隆抗体分析鉴定登革3型病毒的不同抗原决定簇
短句来源
    PREPARATION AND IDENTIFICATION OF MONOCLONAL ANTIBODIES AGAINST DENGUE-2 VIRUS
    登革2型病毒单克隆抗体的制备与鉴定
短句来源
    MONOCLONAL ANTIBODIES SPECIFIC FOR DENGUE VIRUS TYPE 1
    登革1型病毒的单克隆抗体
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  “virus”译为未确定词的双语例句
    The Role of PACS-1 in trans-Golgi Network Localization of Herpes Simplex Virus 1 Glycoprotein B
    PACS-1在单纯疱疹病毒I型糖蛋白B定位于分泌高尔基体网络中的作用
短句来源
    Molecular Biology of RNA1-3 of Rice Grassy Stunt Virus
    水稻草状矮化病毒基因组RNA1-3的分子生物学
短句来源
    Effects of Epstein-Barr Virus Protein on the Production of Immunoglubulin by Cultured B Lymphocytes as well as Cloning and Expressing of It's gp350~derived
    EB病毒蛋白对培养B细胞产生免疫球蛋白的影响及gp350相关肽段的克隆和表达
短句来源
    The Study on High-level Expression of Hepatitis B Virus Surface Antigen (PreS2+S) and Immunnogenicity of Products Expressed in Silkworm/BmNPV Expression Vector System
    家蚕/BmNPV表达载体系统高效表达人乙肝表面抗原(PreS2+S)及表达产物免疫原性的研究
短句来源
    The Construction of DNA Vaccine of Herpes Simplex Virus Type Ⅱ Glycoprotein D with Chemokine MIP-1α and Preliminary Immunity in Mice
    单纯疱疹病毒Ⅱ型gD糖蛋白加趋化因子MIP-1α核酸疫苗的构建及初步免疫观察
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  virus
Human immunodeficiency virus type 1 (HIV-1) integrase is a potential target for anti-HIV therapy.
      
It is an essential enzyme required for replication of the acquired immunodeficiency syndrome (AIDS) virus.
      
Efavirenz is a trifluoromethylated inhibitor of human immunodeficiency virus type 1 (HIV-1) reverse transcriptase (RT) that shows good results in anti-HIV chemotherapy.
      
Derivatives on Herpes simplex virus type 1 (HSV-1), Mayaro virus (MAY) and vesicular stomatitis virus (VSV) were investigated.
      
Compounds 2d, 3f, 3a, and 3c exhibited antiviral activity against HSV-1, MAY, and VSV virus with EC50 values of 6.8, 2.2, 4.8, 0.52, 2.5, and 1.0.
      
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Up to the present, there are 27 species of mosquitoes recorded in Peking. In 1953--1955, wehave collected 19 of them; among these, Culex pipiens var. pallens and Culex tritaeniorhynchus arethe commonest species in residental areas, where Aedes chemulpoensis, Aedes vexans, Aedesdorsalis, Amopheles hyrcanus var. sinensis and Anopheles pattoni are also frequently found. Culex pipiens var. pallans are usually found resting in dark places inside the houses, Culextritaeniorynchus, Anopeles hyrcannus var. sinensis,...

Up to the present, there are 27 species of mosquitoes recorded in Peking. In 1953--1955, wehave collected 19 of them; among these, Culex pipiens var. pallens and Culex tritaeniorhynchus arethe commonest species in residental areas, where Aedes chemulpoensis, Aedes vexans, Aedesdorsalis, Amopheles hyrcanus var. sinensis and Anopheles pattoni are also frequently found. Culex pipiens var. pallans are usually found resting in dark places inside the houses, Culextritaeniorynchus, Anopeles hyrcannus var. sinensis, Anopheles pattoni, Aedes dorsslis and Aedesvexans are easily collected from the walls and ceilings of animal houses, whereas Aedes chemul-poensis prefers shaded places for resting in natural surroundings outside of houses. During winter,we also found that green houses, waste artificial caves of city wall, cellers in the field for sweetpotato storage, waste brick-kiln, basement of houses (without heat) are suitable places for hiberna-tion of Culex pipiels var. pallens. In both urban and suburban regions larvae of Culex pipiens var. pallens are prevalentfrom June to September, they were found in almost all types of water, but most of the breedingplaces of Culex tritaeniorynchus are found in the suburban regions. The seasonal distribution of mosquitoes is determined by periodical collection of adults inselecter stations, daily collection of adults in animal traping room and periodical collection of larvaeand pupae. During the 2 years periods, it was revealed that there are two peaks both in Culexpipiens var. pallens and Culex tritaeniorynchus, and the first peak usually occurred before 10thAugust. From the result of the study of ecology of mosquitoes as well as that of the seasonal and regionaldistribution of human cases we consider that Culex pipiens var. pallens and Culex tritaeniorynchusare the most important vectors of Japanese B encephalitis virus in this district.

1.于1953、1954年在北京市发现5属19种蚊子,在居民区内常见的蚊种有淡色库蚊、三带喙库蚊、骚扰伊蚊、仁川伊蚊、背点伊蚊、中华按蚊、帕氏按蚊。 2.淡色库蚊栖止在室内暗处,三带喙库蚊、中华按蚊、帕氏按蚊、骚扰伊蚊、背点伊蚊常栖止在畜舍内,仁川伊蚊多发现在室外阴凉处。 3.淡色库蚊成虫越冬场所为花洞子、废城墙洞、白薯窖、废砖窖、地下室、花窖等。 4.淡色库蚊、三带喙库蚊的消长曲线一年中出现两个峯,第一个峯出现在8月上旬以前;仁川伊蚊于8月上中旬出现一个峯。另外,在一年内以淡色库蚊活动的期限为最长,约7个月左右,三带喙库蚊、中华按蚊次之。 5.蚊子与当地脑炎流行的关系已予讨论,并推论淡色库蚊、三带喙库蚊可能为本市脑炎的主要传播媒介。

Fifteen strains of Influenza virus were isolated in the period from summer of 1957 to spring of 1958. These strains of Influenza virus belonged to type A by the complement fixation test, but differed sharply in the hemoagglutination inhibition test from the standards A, A-prime, B and C type. The strains isolated in 1957 and 1958 were similar to the strain A/Asia/57 (Peking) in their antigenic structure.

1.于1957年夏及1958年春我院二次流感流行中分离流感病毒15株; 2.根据补体結合试验証明属于甲型,但其抗原性与已往甲型各株不同,从血凝抑制试验証明与同时期流行之北京株1957年亚洲甲型相同; 3.从血凝抑制试骏中发現1957年所分离3株病毒中之一株与本地1956年某株病毒抗原性有一定的关系。

In China, Cufex uitattriorhynchus has a wide distribution. It has been found that this mosquito serves as n vector of Japanese B encephalitis inside as well as outside of the country. Virus of Japanese B encephalitis has been isolated repeatedly from this mosquito. It has been demonstrated, furthermore, that this mosquito might be infected by being fed an emulsion of infected mouse brain. Young mice bitten by this mosquito infected with the virus developed symptoms typical of encephalitis.Ecological studies...

In China, Cufex uitattriorhynchus has a wide distribution. It has been found that this mosquito serves as n vector of Japanese B encephalitis inside as well as outside of the country. Virus of Japanese B encephalitis has been isolated repeatedly from this mosquito. It has been demonstrated, furthermore, that this mosquito might be infected by being fed an emulsion of infected mouse brain. Young mice bitten by this mosquito infected with the virus developed symptoms typical of encephalitis.Ecological studies were carried out on this mosquito in Changsha, Hunan from May to October, 1957, with observations upon: (1) the duration from the moment of feeding to emergence of adults of next generation under laboratory conditions, (2) the (.cology of the larva in its natural habitats, and (3) the seasonal distribution of the mosquito.I. The laboratory temperature was maintained from 23?to 28癈 throughout the whole course of observation. Both day and night men were assigned to watch at the working spot to take notes. The results obtained are as follows: 1. In order to ascertain the exact time of feeding, fifty-nine mosquitoes were carefully observed to determine the time necessary for blood sucking on a cow. The shortest time from the outset of inserting the proboscis irito the skin of the cow to the moment of pulling off the pro-boscis was 2 minutes and 26 stconds, while the longest time was 7 minutes and 15 seconds with an average of 3 minutes and 19.2±19.8 seconds.2. Forty-three well-fed mosquitoes were chosen for oviposition, They were kept separately in glass chimneys (5.7 × 9.0 cm.), each of which was slightly immersed in a glass plate. Only 21 mosquitoes (48.84%) laid eggs. They performed their laying quietly on the surface of water. The average time for egg to mature within the ovary was 73.76± 2.06 hours. The lowest number of eggs laid was 15, while the highest number was 238, with an average of 124.43± 13.04 eggs per mosquito.3. The egg raft containing 238 eggs was used for rearing in the laboratory. All the eggs hatched simultaneously after 35 hours of incubation.4. Larvae of the same instar were bred in an enamelled green pan containing hay infusion which was changed daily. On the surface of hay infusion a film of bread powder mixed with yeast was sprinkled. Right arter each moulting, larvae were removed to another enamelled pan. Dead larvae were discarded as soon as discovered. The time needed from the first instar to the end of fourth instar averaged 144.09 hours, i.e., 6 day's and 0.09 hours (Table 1).5. It took. 38.83 hours in average to complete the pupal stage (Table 1).6. It took 291.92 hours or 12 days and 3.92 hours on an average from the time of feeding to the end of metamorphosis, and about 9 days from the time of egg deposition.7. The ratio 'between emergent males and females was 75 to 70, or 51.7% to 48.3% respectively.8. In rearing, the highest mortality occurred in the second stadium,, in which 70 larvae died, 29,4% of total number of larvae.9. Points in connection with biting, behavior and discrepancy in the time of oviposition, ecdysis among different instars, pupation and emergence were discussed.Ⅱ. For field observation on the ecology of larvae of Culex tritaeniorhynchus, eleven types of natural breeding places with a total of fifty localities situated in the suburbs of Changsha were selected. They included rice-fields, tare-fields, lettuce-fields, ipomoea-fields, lotus-roots-fields, trapa ponds, wells for drinking and pits for washing purposes, ponds, ditches and mountain caves with water. The first six types of habitats were definitely devoted to agricultural cultivation, while the latter five were not. Collecting in each of fifty localities was made once a week. In each habitat the collector made five dips by a conical dipper (9.7 cm) at random, took notes on the water temperature, height of the water column where larvae were found, brought back the plants.which grew in association with the larvae and a sufficient amount of water for the determination of hydrogen-ion concentration and dissol

1.本文报告了1957年春,实验室中三带喙库蚊血液消化、产卵、孵化、幼虫的各龄、蛹化、羽化等的初步观察结果。 2.同年5—10月,又初步观察了三带喙库蚊幼虫11型孳生地的十项自然环境因素。 3.自然界的十项环境因素,对此蚊幼虫孳生的影响,亦略加分析讨论。 4.通过11型幼虫孳生地的调查,得知此蚊幼虫多孳生在茭瓜田、蕹菜田、芋头田、稻田及藕田等5型中。 5.1957年三带喙库蚊幼虫全期最高峰的出现日期,与流行性乙型脑炎流行的最高峰恰相吻合。

 
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