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varieties     
相关语句
  品种
     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
     Genetic Diversity of both Rice Varieties and Blast Pathogen,Magnaporthe grisea and Sustainable Control of the Disease
     水稻品种与稻瘟病菌的遗传多样性及稻瘟病持续控制研究
短句来源
     Study on Fingerprinting Markers and Identification Techniques of Main Rice Hybrid Varieties in China
     中国主要杂交水稻品种指纹图谱标记和鉴定技术的研究
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
     Study on Salt-tolerance Mechanisms and Resistance Breeding of Main Popular Varieties in Westward Northeast
     东北主要杨树抗盐机理及抗性品种选育的研究
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  变种
     There are 9 genere, 54 species and 6 varieties in Anthemideae (Compositae)in Western Hubei, of which medicine plants 14, perfume 7, tannin 1, flower 2, vegetable 2, fodder 4, and toxic 5.
     湖北西部菊科春黄菊族植物有9属,54种,6变种,其中药用植物14种,香料植物7种,鞣料植物1种,花卉2种,蔬菜2种,饲料4种,有毒植物5种。
短句来源
     Results The length of rDNA ITS sequences of Perilla varieties ranged from 612 to 615 bp in size,including ITS1((230-)232 bp),5.8S(179 bp) and ITS2(203-204 bp). The GC content is about 61.5%-61.9%.
     结果紫苏属各变种(紫苏、白苏、鸡冠苏和耳齿紫苏等)的rDNA ITS区全序列共有615~618 bp的长度,ITS1为233~235 bp,5.8S为179 bp,ITS2为203~204 bp,GC含量为61.5%~61.9%。
短句来源
     , 8 species, 2 varieties and 2 naturalized species of Labiatae and Compositae as new records in Henan
     ,8新记录种 ,2新记录变种和 2新记录归化种 .
短句来源
     RESULTS: The length of rDNA ITS sequences of Perilla varieties ranged from 612 to 615 bp in size, including ITS1 (230-232bp), 5. 8S (179bp) and ITS2 (203-204bp). The GC content is about 61. 5%-61. 9%.
     结果紫苏属各变种(紫苏、白苏、鸡冠苏、耳齿紫苏等)的rDNA ITS区全序列共有615—618bp的长度,ITS1为233—235bp,5.8S为179bp,ITS2为203—204bp,GC含量为61.5%-61.9%。
     It was shown that there are two forms,12 varieties,1 subspecies,175 species,75 genera and 27 families of mosses in the upper reaches of Luanhe River and the numbers of the families,genera and species separately make up 41.54%,18.16% and 7.74% of the totals in China.
     分析结果表明,滦河上游地区共有藓类植物27科75属175种1亚种12变种2变型,分别占全国藓类植物科、属、种(含种下分类单位)总数的41.54%、18.16%和7.74%.
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  品种的
     Studies on Disease Resistance and DNA Fingerprinting of Chinese Cotton Varieties with Fusarium and Verticillium Wilt Resistance
     中国棉花抗枯、黄萎病品种的抗性与DNA指纹图谱研究
短句来源
     BLAST RESISTANCE CLASSIFICATION OF SOME RICE VARIETIES IN CHINA
     中国部分水稻品种的抗瘟性分类
短句来源
     FUZZY CLUSTER ANALYSIS OF THE LOTUS VARIETIES
     荷花品种的模糊聚类分析
短句来源
     STABILITY ANALYSES OF INTRODUCED SUGARCANE VARIETIES
     甘蔗引进品种的稳定性分析
短句来源
     A COMPARISON OF 6 ISOZYMES IN THE 12 SPECIES AND VARIETIES OF SUGARCANE
     甘蔗12个种和品种的6种同工酶比较
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  个品种
     Mg~(2+)INDUCED FLUORESCENCE CHANGE IN RELATION TO THYLAKOID SURFACE ELECTRIC CHARGE IN TWO VARIETIES OF SOYBEAN CHLOROPLASTS
     在两个品种大豆叶绿体膜中,Mg~(2+)诱导荧光改变与类囊体膜表面电荷的关系
短句来源
     ANALYSIS OF RESPECTIVE CHROMOSOME NUMBERS AND KARYOTYPES OF 20 VARIETIES OF GENUS NELUMBO
     莲属(Nelumbo)20个品种染色体数目及其核型分析
短句来源
     STUDIES ON THE EXOTIC SUGARCANE GERMPLASM Ⅰ. Expression of major traits and evaluation in 40 sugarcane varieties from 4 series
     甘蔗引进品种资源的研究 Ⅰ.4个系列40个品种(系)的主要性状表现与评价
短句来源
     Study on the Exotic Sugarcane Varieties Ⅱ.Expression of Major Traits and Utilization in 34 Sugarcane Varieties of 4 Series
     引进甘蔗品种的研究——Ⅱ、4个系列34个品种(品系)的主要性状表现及其利用
短句来源
     RELATIONSHIP BETWEEN 4 STRAINS OF WHEAT YELLOW DAWF VIRUS AND 7 WHEAT VARIETIES
     小麦黄矮病毒4种株系对小麦7个品种的影响
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      varieties
    Euler characteristic of certain affine flag varieties
          
    Degenerations of flag and Schubert varieties to toric varieties
          
    In this paper, we prove the degenerations of Schubert varieties in a minusculeG/P, as well as the class of Kempf varieties in the flag varietySL(n)/B, to (normal) toric varieties.
          
    As a consequence, we obtain that determinantal varietes degenerate to (normal) toric varieties.
          
    We show that wonderful varieties are necessarily spherical (i.e., they are almost homogeneous under any Borel subgroup ofG).
          
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    The headblight or scab of wheat caused by Gibberella zeae (Schw.) Petch.has in recent years become more prevalent in the rice-wheat growing area ofEastern China with two heavy epidemics in 1952 and in 1954.It was reportedfrom this area that wheat varieties showed marked differences in their susceptibilityto headblight and that native varieties in general were less susceptible than theimproved ones.It was also reported that the degree of susceptibility appeared tobe related to the stage of host development.In...

    The headblight or scab of wheat caused by Gibberella zeae (Schw.) Petch.has in recent years become more prevalent in the rice-wheat growing area ofEastern China with two heavy epidemics in 1952 and in 1954.It was reportedfrom this area that wheat varieties showed marked differences in their susceptibilityto headblight and that native varieties in general were less susceptible than theimproved ones.It was also reported that the degree of susceptibility appeared tobe related to the stage of host development.In 1952,varieties with earlier date ofheading were generally less susceptible than those which headed late. Varietal tests for the headblight resistance were made in Nanking in 1952and 1954.In 1952,235 varieties and hybrids were studied for their resistance toscab under natural conditions in the field.Great differences were found in theirdegree of infection,although none of them was immune.The percentages of in-fected heads ranged from 0.9 to 89.1 with most of them having 10 to 40% infec-tion.No definite correlation was seen between the percentage of infection andthe date of heading or of maturing.In 1954,tests on varietal resistance to scabwere again made with 40 varieties and hybrids including those being relatively lesssusceptible in the previous test.Attempts were made to induce epidemics in thefield by means of artificial inoculation.Results indicated that both mycelial andconidial suspensions were similarly effective for artificial inoculation.The averagepercentages of infected heads in the inoculated plots ranged from 4.2 to 77.7 incontrast to the uninoculated plots where the average percentages of infected headsbeing only trace to 7.1 with one variety not infected. From the experimental results obtained in 1952 and 1954,it was found thatrelative stability in resistance to headblight existed among different wheat varie-ties,although there was great variation in varietal resistance due to the effect ofenvironmental factors.Two hybrids,"5201" and "5204",were found to be muchmore resistant than all other varieties tested in both years.Hybrid "5204" gave ??0.9% of infected heads in 1952 and 3.4% in 1954,and hybrid "5201" gave5.5 and 9.0% of infected heads in the respective years.Both hybrids also possessother desirable characteristics such as early maturity,relative high yield,stiffystems,and high resistance to the stripe rust. Greenhouse studies were made in 1954 with two susceptible varieties ofwheat for testing their susceptibility to headblight at six different stages of deve-lopment from shooting to hard dough.Results indicated that the plant was sus-ceptible at all these stages of development with a tendency of being more heavilyinfected toward maturity.It was also observed that temperature had obvious effecton the degree of infection.Plants inoculated at flowering stage were more heavilyinfected when kept at 25℃ after inoculation than when kept at 15℃.However,the inoculated plants kept at 25℃ during the day and at 15℃ at night resultedin a degree of infection similar to those kept at 25℃ all the time.

    (一)小麦赤微病在苏、浙、皖的稻麦两熟地区经常严重发生,1952及1954年两度猖獗流行,造成苏南及浙江地区小麦生产上的严重损失。通过调查,发现各地小麦品种对病害的反应确有显著差异。地方品种,一般发病较轻,而改良品种如“2905”、“2419”、“玉皮”、“矮立多”等,常常严重地感染病害。(二)1952年在自然情况下,观察此较235个小麦品种结果,虽没有一个品种不发病,但品种间的发病率相差极大,自0.9%至89.1%,而不同品种感染程度的轻重与抽穗期及成熟期的早迟关系不大。(三)1954年大田人工接种结果,效果显著,供试40个品种接种区的最高发病率达77.7%,而自然感染区的最高发病率只有7.1%。在接种试验中,初步证明:(1)大量有效的病原体与适合病害发生的气候因子同是病害流行的主要条件;(2)接种方法,用菌丝体接种与用分生孢子接种的效果,并无多大差别;(3)品种的抽穗先后,与发病轻重无一定关系。(四)温室试验指出,小麦自抽穗至糊熟各期麦穗被害率相似,但小穗的被害率在抽穗期最低,开花以后,有愈近成熟感染程度愈重的趋势。(五)开花期接种后的小麦,置於25℃的麦穗被害率和置於15℃的相似,但前者的小穗被害率此后...

    (一)小麦赤微病在苏、浙、皖的稻麦两熟地区经常严重发生,1952及1954年两度猖獗流行,造成苏南及浙江地区小麦生产上的严重损失。通过调查,发现各地小麦品种对病害的反应确有显著差异。地方品种,一般发病较轻,而改良品种如“2905”、“2419”、“玉皮”、“矮立多”等,常常严重地感染病害。(二)1952年在自然情况下,观察此较235个小麦品种结果,虽没有一个品种不发病,但品种间的发病率相差极大,自0.9%至89.1%,而不同品种感染程度的轻重与抽穗期及成熟期的早迟关系不大。(三)1954年大田人工接种结果,效果显著,供试40个品种接种区的最高发病率达77.7%,而自然感染区的最高发病率只有7.1%。在接种试验中,初步证明:(1)大量有效的病原体与适合病害发生的气候因子同是病害流行的主要条件;(2)接种方法,用菌丝体接种与用分生孢子接种的效果,并无多大差别;(3)品种的抽穗先后,与发病轻重无一定关系。(四)温室试验指出,小麦自抽穗至糊熟各期麦穗被害率相似,但小穗的被害率在抽穗期最低,开花以后,有愈近成熟感染程度愈重的趋势。(五)开花期接种后的小麦,置於25℃的麦穗被害率和置於15℃的相似,但前者的小穗被害率此后者高。日间25℃和夜间15℃交替的变温处理,发病情形与始终置於25℃的相近。(六)不同小麦品种对于赤微病具有相对稳定的抵抗性或感染性。“5201”及“5204”等杂交系,在自然感染和人工接种情形下,发病都很轻微,并且具有早熟、丰产、秆硬和高度抵抗条锈等优良特性。

    Jujube(Zizyphus vulgaris Lam)is a popular fruit in North China. The fruit is mainly marketed after dehydration. However, there are no less than twenty rarities sold in Peking while fresh during the months of August and October.The ascorbic acid content of 16 varieties of the fresh fruit has been determined. The values found are all above 300 mg per 100 g of edible portion—mostly between 400-600 mg, the highest being above 1,000 mg. It is certainly worth noting that, as a class of ordinary food, Jujube...

    Jujube(Zizyphus vulgaris Lam)is a popular fruit in North China. The fruit is mainly marketed after dehydration. However, there are no less than twenty rarities sold in Peking while fresh during the months of August and October.The ascorbic acid content of 16 varieties of the fresh fruit has been determined. The values found are all above 300 mg per 100 g of edible portion—mostly between 400-600 mg, the highest being above 1,000 mg. It is certainly worth noting that, as a class of ordinary food, Jujube has the highest ascorbic acid content.As the fruit ripens, i. e. the colour turns from green to red and the texture changes from hard to soft, its ascorbic acid content decreases. When the sample was stored at 0-4℃ for about one and a half months, the fruits which remained hard lost about 10% of its ascorbic acid; when the fruit had become somewhat soft, the amount of ascorbic acid decreased drastically and the dehydro-form increased correspondingly while the total amount remained practically unchanged.Experiment with human subjects indicated that the utilization of the ascorbie acid of Jujube is 86.3-93.0% of the pure vitamin.

    鲜棗的抗坏血酸含量极高,为一般水果与蔬菜之冠。品种之间的差异很大。在本试验里所分析的16种鲜棗,一般含量都在每百克300毫克以上,多数在400—600毫克之间,最高者则超过1,000毫克。含量随成熟程度而降低;当棗由硬变软时,还原抗坏血酸之量大减,脱氢抗坏血酸之量相应地增高,而总抗坏血酸之量则无大改变。在冷藏 坏血酸的利用率为纯抗坏血酸的72.6—100.5%,平均为86.3%,这样的差异是不大的。

    The eight essential amino acid contents of nineteen legumes and cereals of different varieties have been determined with the microbiological methods The methionine and lysine contents of cereals are in general lower than that of animal products. However, the methionine in spiked millet (糜子米) and in panicled millet (小米) and lysine in buck wheat (荞麦) are high. Methionine, tryptophane and isoleucine of the legumes are in general lower than those of the animal products.Past dietary surveys have been re-examined...

    The eight essential amino acid contents of nineteen legumes and cereals of different varieties have been determined with the microbiological methods The methionine and lysine contents of cereals are in general lower than that of animal products. However, the methionine in spiked millet (糜子米) and in panicled millet (小米) and lysine in buck wheat (荞麦) are high. Methionine, tryptophane and isoleucine of the legumes are in general lower than those of the animal products.Past dietary surveys have been re-examined in the light of these analytical results, and a more accurate estimate of the nutritional status of the population, with respect to protein is thereby available.

    1.利用微生物法测定了19种我国主要谷类、豆类食品(包括不同品种和不同制品39个样品)的八种必需氨基酸的含量。 2.一般的谷类蛋白质蛋氨酸和赖氨酸的含量比较动物性食物者较低,但其中小米和糜子米含蛋氨酸较丰富,荞麦含赖氨酸较丰富,与动物性食品相近似。一般豆类较动物性食物有较低的蛋氨酸、色氨酸和异亮氨酸。 3.根据分析的结果,对我国人民的蛋白质营养状况进行了初步的估计。

     
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