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   varieties 在 蚕蜂与野生动物保护 分类中 的翻译结果: 查询用时:0.205秒
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varieties     
相关语句
  品种
    THE BREEDING OF THE SILKWORM VARIETIES “57A · 57B”,“24 · 46” ANO THEIR HYBRIDS FOR BOTH SPRING AND AUTUMN REARING
    春秋兼用蚕品种57A·57B、24·46的育成及其四元杂交种的选配
短句来源
    A PRELIMINARY REPORT OF THE DEVELOPMENT OF TWO NEW MULBERRY VARIETIES──NONGSANG 12 AND NONGSANG 14
    桑树新品种农桑12号农桑14号的育成初报
短句来源
    The results indicated that there were significant differences among silkworm varieties in their resistance to BmNPV by peroral inoculation,the morbidity of 7532(B) was the lowest with an average rate of 21.46%,and the average morbidity of Z6,Zhonghuang 4,9497 ect.
    结果表明:不同蚕品种间对BmNPV经口感染的抵抗性存在显著差异,供试品种中7532(B)的发病率最低,为21.46%;
短句来源
    【Result】The genome DNA was extracted from single blue-stage-egg of mainly Bombyx varieties of SU5, SU6 and their F1with rapid method. Each of the specific bands R5 and R6 of RAPD were amplified stably from SU5 and SU6 varieties, with selected random primer of S42. The sequences of bands R5 and R6 were 255 bp and 343 bp respectively after being cloned and sequenced.
    【结果】利用微量DNA抽提法,从家蚕主要品种苏5、苏6及其F1孵化前日卵快速提取单粒卵基因组DNA,筛选出RAPD随机引物S42,稳定扩增出苏5和苏6两个亲本品种的DNA特异性片段R5和R6,克隆和测序确认其大小分别为255bp和343bp。
短句来源
    Further, transform the RAPD marks of two parental varieties to SCAR marks. Thus, SU5, SU6 and their F1 were identified accurately and quickly, with the synthetic specific primers of S42-255-2 (P5-2) and S42-343-2 (P6-2).
    将2个亲本的RAPD标记转换成SCAR标记,分别利用合成的S42-255-2(P5-2)和S42-343-2(P6-2)SCAR标记引物,能够准确、快速地鉴别所标记的苏5和苏6及其F1蚕品种
短句来源
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  变种
    There are 15 mulberry species and 4 varieties in China.
    我国桑树品种资源丰富,有15个桑种和4个变种,是世界桑种最多的国家。
短句来源
    On the basis of investigation,collection and sifting,1 176 species and varieties of nectar and pollen plants,belonging to 426 genera and 106 families,were found.
    在调查、收集、整理的基础上,初步筛选出蜜粉源植物 1 176 种及变种,隶属于 106 科 426 属,以刺槐、枣树、荆条、油菜等植物组成主要蜜源。
短句来源
    Selecting in different ecosystem environment and long-term natures to mulberry tree with the artificial, it becomes many kind of varieties, mutations and species. These are very precious germplasm resources in our country plant gene pool.
    在不同的生态条件及长期的自然选择和人工培育下,形成了许多种、变种和品种,这些是我国植物基因库中十分宝贵的种质资源。
短句来源
    Morphology-systematic-numerical taxonomy is adopted for the first time for classfication of mulberry. Systematic development, evolutionary tendency and relation of 12 species,2 varieties and 20 cultivars are analysed with computer. The application of morphology-systematic-numerical taxonomy in phylogenetic classfication of mulberry in the future was predicted.
    首次应用形态系统数值分类法聚类分析,取桑属的大量形态性状经加权量化处理,采用计算机统计分析,对桑属12个种、2个变种及20个栽培品种进行了系统发育、进化趋势及亲缘关系的研究,探讨了形态系统数值分类法在桑树系统学研究方面的应用前景。
短句来源
    On the basis of investigation,collection and sifting,595 species and varieties of nectar and pollen plants were found,belonging to 296 genera and 98 families. Robinia psesudoacacia,Vitex negundo var. heterophyla,Ziziphus jujuba and Astragalus sinicus are the main nectar plants in Henan Province,which is the important production base of commodity nectar in China.
    笔者在调查、收集、整理的基础上 ,初步筛选出蜜粉源植物 595种及变种 ,隶属于 98科 2 96属 ,以刺槐、荆条、枣树、紫云英等植物组成主要蜜源。 河南是我国重要商品蜜生产基地。
短句来源
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  品种的
    【Result】The genome DNA was extracted from single blue-stage-egg of mainly Bombyx varieties of SU5, SU6 and their F1with rapid method. Each of the specific bands R5 and R6 of RAPD were amplified stably from SU5 and SU6 varieties, with selected random primer of S42. The sequences of bands R5 and R6 were 255 bp and 343 bp respectively after being cloned and sequenced.
    【结果】利用微量DNA抽提法,从家蚕主要品种苏5、苏6及其F1孵化前日卵快速提取单粒卵基因组DNA,筛选出RAPD随机引物S42,稳定扩增出苏5和苏6两个亲本品种的DNA特异性片段R5和R6,克隆和测序确认其大小分别为255bp和343bp。
短句来源
    To further identify the varieties,so converse RAPD mark of R5 andR6 to sequence characterized amplified regions (SCAR) mark and synthetic specific primers.
    进一步将苏5、苏6品种的RAPD 特征DNA 片段Rs和R6标记转换成SCAR 标记,并合成出SCAR 标记特异性引物,能够鉴别所标记的蚕品种。
    Identification of 6 Bombyx mori Varieties Using AFLP Molecular Markers
    应用AFLP分子标记对6个家蚕品种的鉴定
短句来源
    Fast and Nondestructive Identification of Bombyx mori Varieties Based on Spectroscopy Technology and Pattern Recognition
    基于光谱技术和模式快速鉴别家蚕品种的初探
短句来源
    Discussion on Evaluation Indexes and Investigation Methods of Cluster Mulberry Varieties
    条墩桑品种的评价指标和鉴定方法探讨
短句来源
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  个品种
    Chromobomal counting was carried out with 5unnamed species and 25 varieties belong to 9 species of Morus L. of which 19 are diploid,7 triploid. 1 tetraploid, 2 hexaploid and 1 monosomic ( 2n-1 ) .
    9个种的25个品种以及5个未定种名的材料进行了染色体计数,其中二倍体19个、三倍体7个、四倍体1个、六倍体2个和单体(2n—1)1个。
短句来源
    Different mulberry varieties were used as experimental materials to analyse the leaf water potential,transpiration rate and stomatal conductance. The order of them is Nongsang 12
    通过对农桑 12号、湖桑 32号、选 792、新一之 4个不同桑树品种的叶水势、气孔导度、蒸腾速率等系列水分生理指标的分析 ,比较出 4个品种叶水势、气孔导度、蒸腾速率的大小顺序均为农桑 12号 <选 792 <湖桑 32号 <新一之。
短句来源
    Four varieties of silkworm eggs were analysed by the PLS-BP model and the recognition accuracy achieved was near 100%.
    试验采取4个品种的蚕种,应用所建立的PLS-BP模型对样本进行分析预测,准确率接近100%。
短句来源
    4. There were prominent differences between different silkworm varieties onexpressive activity for foreign genes bearing recombination NPV. Five varieties,named zaA, 9405╳9406, jingsong╳haoyue, yue╳chun and 161.162╳136.137,obtained highest expressive amount among the varieties in the test.
    4 重组病毒携带的外源基因在不同蚕品种体内的表达活性有较大差异,在注射感染的情况下差异极显著。 在供试品种中,以杂 A、9405×9406、菁松×皓月、月×春和 161.162×136.137 5 个品种外源基因表达量较高。
短句来源
    There are several varieties in each population, its ecology and economic properties each have characteristics.
    每个种群中又有若干个品种,其生态和经济性状各具特征。
短句来源
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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 present study was carried out in China on the changes of economic characters in the spring- and autumn-rearing silkworm va-reties. The results showed that cocoon weight, cocoon shell weight, cocoon layer ratio, cocoon filament weight, cocoon filament length and other economic characters of the current commercial varieties, especially cocoon weight and cocoon layer ratio, have been improved remarkably in comparison with those of the varieties popularized in the 1960-1960s. However, with improvement...

    The present study was carried out in China on the changes of economic characters in the spring- and autumn-rearing silkworm va-reties. The results showed that cocoon weight, cocoon shell weight, cocoon layer ratio, cocoon filament weight, cocoon filament length and other economic characters of the current commercial varieties, especially cocoon weight and cocoon layer ratio, have been improved remarkably in comparison with those of the varieties popularized in the 1960-1960s. However, with improvement of the above economic values, the duration of the 5th instar and the amount of food consumed increased,whereas there were almost no improvement in digection rate and dietary efficiency .Therefore, special attention should be paid to the research on increasing dietary efficiency that may be realized by silkworm breeding, mulberry breeding, improvement of rearing techniques, etc.

    本文调查分析了近二、三十年来,我国春用蚕品种和夏秋用蚕品种主要经济性状的变迁情况。结果表明,目前推广的蚕品种与五十、六十年代推广的品种相比较,茧层量、茧层率,茧丝量、茧丝长等主要经济指标都有了显著的提高,尤其是茧层量、茧层率的增长更为突出.但5龄经过和食下量也相应地增加,蚕的消化率以及饲料效率几乎没有提高。从而认为,在今后蚕品种改良过程中,应重视提高饲料效率的研究,并通过桑品种改良、饲育技术等途径,提高饲料效率,提高养蚕的经济效益。

    In the preparation of the slide specimen of Mulberry chromomes, with the young leaves as materias, and the techniques suchas enzmol-tysis, flame drying and Giemsa staining were used. Chromobomal counting was carried out with 5unnamed species and 25 varieties belong to 9 species of Morus L. of which 19 are diploid,7 triploid. 1 tetraploid, 2 hexaploid and 1 monosomic ( 2n-1 ) . In addition, the interphase nuclei of different ploidy as well as the behavior of the chromosomes during mejosis were obversed...

    In the preparation of the slide specimen of Mulberry chromomes, with the young leaves as materias, and the techniques suchas enzmol-tysis, flame drying and Giemsa staining were used. Chromobomal counting was carried out with 5unnamed species and 25 varieties belong to 9 species of Morus L. of which 19 are diploid,7 triploid. 1 tetraploid, 2 hexaploid and 1 monosomic ( 2n-1 ) . In addition, the interphase nuclei of different ploidy as well as the behavior of the chromosomes during mejosis were obversed and compared.

    以桑的幼叶为材料,采用以酶解、火焰干燥,Giemsa染色为主要程序的染色体制片新方法,对桑属(Morus L.)9个种的25个品种以及5个未定种名的材料进行了染色体计数,其中二倍体19个、三倍体7个、四倍体1个、六倍体2个和单体(2n—1)1个。此外,还对不同倍性的间期核以及二倍体和三倍体在减数分裂过程中染色体的行为作了观察和比较。

    The paper records and narrales in detail the results from systematic observation on the behavior of wool rabbit. The actions of wool rabbit were more in the nighttime than in the daytime. So,the intake, drinking and the. amounts of feces and urination on wool rabbit were higher in the nighttime than in the daytime, and on those there were obvious varieties in seasons In winter the intake and the drinking during the night were respectively 60.88±9.32% and 62.98±6.43% of ones in all day and...

    The paper records and narrales in detail the results from systematic observation on the behavior of wool rabbit. The actions of wool rabbit were more in the nighttime than in the daytime. So,the intake, drinking and the. amounts of feces and urination on wool rabbit were higher in the nighttime than in the daytime, and on those there were obvious varieties in seasons In winter the intake and the drinking during the night were respectively 60.88±9.32% and 62.98±6.43% of ones in all day and night, and in summer were 70.96±5.31% and 69.45±6.35%. But the mean intake in summer was only 47.23% of that in winter. Therefore, the drinking in hot season, which was little higher than in winter, approached one in cold season. While the coprophogia of wool rabbit was not often found. In winter the amounts of feces and urination in nighttime were respectively 66.23±10.1% and 62.94±8.66% of ones of all day and night, but in summer were 75.91±1.8% and 72.56±6,24%. Various behaviors of wool rabbit were effected by environmental conditions,especially by environmental temperature. Under bad environment, the actions of physiology and the expressions of behavior of wool rabbit were disturbed, which made its product performance fall. For example, on the twentieth day after partus every female rabbit's milk yield in winter increased by 4.4% as compared with that in summer, on the thirtieth day after partus by 8.3% and on the fortieth day after partus by 11.2%. The rate of growth on young rabbit from birth to 20 days old had not great difference between winter and summer. But, from 20 to 30 days old young rabbit's daily gain was 15.37 grams in summer, and 17.77 grams in winter.While, from 30 to 40 days old daily gain was 14.41 grams in summer, and 26.41 grams in winter. This variation was statistically very evident (P<0.01). The result of experiment showed the female rabbit's milk yield reached the highest point on the twentieth day after partus, and decreased rapidly e thirtieth day. Through observation on the behavior of wool rabbit the beneficial revelation and knowledge which were concerned in relative problem between wool rabbit's raise and manage and variation of behavior or physiology had been obtained in theory and practical production. So, further understanding the knowledge in physiology and behavior science is necessary. It will have very important significence for making out productive measure at high efficiency.

    本文对长毛兔的行为的系统观察所得的结果作了较详细的记述。长毛兔的夜间活动多于白天,因此,无论其采食量和饮水量以及排粪量和排尿量等夜间均高于白天;并呈现明显的季节性变化。长毛兔的各种行为均受环境条件的影响,不良的环境会扰乱长毛兔的生理活动和行为表现,导致生产性能下降。通过行为观察,对长毛兔的饲养管理方面与其行为或生理变化的相互关系问题,在理论上和实际生产上都获得有益的启示和知识,对于制定高效率的生产措施具有重要意义。

     
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