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rape
相关语句
  油菜
    Cloning of germin gene, synthesizing of human lysozyme gene and their expression in tobacco and oilseed rape
    Germin基因的克隆和人溶菌酶基因的合成及其在烟草和油菜中的表达
短句来源
    Study on the Formation Mechanism of Related Characteristics and on the Protein Differential Expression of the Spermodermis in Yellow-Seeded Rape (Brassica Napus L.)
    甘蓝型黄籽油菜种皮相关性状形成机理和蛋白质差异表达研究
短句来源
    Effects of ~(60)Co-Gamma Irradiation on Dry Seeds in Rape Cultivar "Shengli" (Brassica napus) Ⅰ. Effects of Plant Growth and Development on M_1 Generation
    ~(60)Co-γ射线对胜利油菜干种籽照射后的影响 Ⅰ 对于照射一代(M_1)生长发育的影响
短句来源
    STUDIES ON THE ABSORPTION AND UTILIZATION OF NITROGEN IN RAPE PLANT BY USING A STABLE ISOTOPE- ~(15)N
    应用稳定性同位素~(15)N研究油菜对氮素的吸收和利用
短句来源
    CHROMOSOME TECHNIQUES AND RAPE BREEDING
    染色体技术与油菜育种
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  “rape”译为未确定词的双语例句
    EFFECT OF NSB MIXED LIQUID ON RAPE YIELD AND QUALITY
    NSB组合液对油菜籽产量和品质的影响
短句来源
    45~120kg/hm2 and 4~7% for rape;
    油菜籽增产45~120kg/hm2,增幅为4%~7%;
短句来源
    By comparison,the per hectare yield of the rape cultivar 'Longyou 5' had reached 3568.5 kg/hm2 in Yongdeng and 3584 kg/hm2 in Jinyuan,respectively.
    在甘肃靖远县区域试验中RG1、RG2产量分别为3847.3 kg/hm2和3 535.0 kg/hm2.相比之下,陇油5号(CK)在永登县和靖远县的产量分别为3 568.5 kg/hm2和3 584.0 kg/hm2.
短句来源
    45~120kg/hm2 and 4~7% for rape;
    油菜籽增产45~120kg/hm2,增幅为4~7%;
    An Application of Rape Interior Grease in Maize
    芸苔素内酯在玉米上的应用
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  rape
Rape (Brassica napus L.) was shown to be an appropriate sentinel plant, sensitive to phenanthrene, which can be used for testing the efficiency of phenanthrene degradation in soil.
      
Biological testing with the use of sensitive rape plants can be applied for estimation of the efficiency of phyto/bioremediation of PAH-polluted soils.
      
The Formation of Artificial Nitrogen-Fixing Symbioses with Rape (Brassica napusvar.
      
The treatment of rape plants grown in nonsterile soil with 2,4-dichlorophenoxyacetic acid (auxin-like growth-promoting substance) or their inoculation with the bacterial association Micrococcussp.
      
led to the formation of paranodules on the rape roots.
      
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For the purpose of comparing the relative effect of various farm manures,field experimentswere carried out for four years at Nanking on a paddy soil;containing organic matter 1.5%,deri-ved from yellowish brown earth.The adsorption of nitrogen by one harvest of rice plant of the medium ripening variety was22—27% for rape-seed cake,17% for green manure,15% for water-logged compost,13% forstable manure,and 4.6—6% for pond mud.For rice of the early ripening variety,the percentageadsorption of nitrogen was...

For the purpose of comparing the relative effect of various farm manures,field experimentswere carried out for four years at Nanking on a paddy soil;containing organic matter 1.5%,deri-ved from yellowish brown earth.The adsorption of nitrogen by one harvest of rice plant of the medium ripening variety was22—27% for rape-seed cake,17% for green manure,15% for water-logged compost,13% forstable manure,and 4.6—6% for pond mud.For rice of the early ripening variety,the percentageadsorption of nitrogen was 30%,20%,7.3% and 5.7% for the green manure,water-loggedcompost,mixed stable manure of cattle and swine,and grass compost respectively.On the basis of relative effect of various manures on the yield of rice,it was calculated that1 kg N of stable manure was equivalent to 0.45 kg N of rape-seed cake,0.55 kg N of greenmanure,0.7 kg N of water-logged compost,and 2.1—2.5 kg N of pond mud.For rice of theearly ripening variety,1 kg N of stable manure was equivalent to 0.38 kg N of gree manure,0.49 kg N of water-logged compost,and 1.19 kg N of grass compost.The liberation of nitrogen from manures proceeded most rapidly for the green manure,rape-seed cake entering the second and then water-logged compost.The liberation of nitrogen fromthe pond mud was so slow that it could hardly be distinguished from the controll treatment.Attention must pay to use nitrogen fertilizers as top-dressing when large amount of green manurehad be applied in order to prevent the lodging of rice plant,and on the contrary the applicationof top-dressing was essential when pond mud was used as the basic dressings.

本试验(自1956—1959年)在南京黄褐色母质发育的水稻土(有机质1.5%,全N0.086%,速效P_2O_5 0.008%,速效K_2O 0.0178%)上进行。1.各农肥的肥效如下:(1)氮素肥效折合率约为:中稻:堆(?)肥1斤N(?)菜饼0.45斤N(?)绿肥0.55斤N(?)草塘泥0.7斤N(?)塘泥2.1—2.5斤N。早稻:猪牛(?)肥1斤N(?)绿肥0.38斤N(?)草塘泥0.49斤N(?)青草堆肥1.15斤N。(2)对水稻的氮素吸收利用率约为:中稻:菜饼22—27%,草塘泥15%,绿肥17%,堆(?)肥13%,塘泥4.6—6%。早稻:绿肥30%,草塘泥20%,猪牛(?)肥7.25%,青草堆肥5.7%。2.各农肥在水田中自6月中旬至9月上旬,NH_4-N 的释放量以绿肥最快最大,菜饼的分解速率仅次于绿肥,但在施肥一个半月后释放量达到最高峯。草塘泥兼有迟速效特性,释放速率及释放量都比较平稳,不象绿肥那样猛发,又比堆(?)肥速效成份高,比河泥养分释放快。堆(?)肥释放情况介于草塘泥与河泥之间,后期分解量较高。河泥释放量最差,有时几和对照相近。此外,土壤分析结果指出:在种中熟籼稻的土壤中NH_4-N ...

本试验(自1956—1959年)在南京黄褐色母质发育的水稻土(有机质1.5%,全N0.086%,速效P_2O_5 0.008%,速效K_2O 0.0178%)上进行。1.各农肥的肥效如下:(1)氮素肥效折合率约为:中稻:堆(?)肥1斤N(?)菜饼0.45斤N(?)绿肥0.55斤N(?)草塘泥0.7斤N(?)塘泥2.1—2.5斤N。早稻:猪牛(?)肥1斤N(?)绿肥0.38斤N(?)草塘泥0.49斤N(?)青草堆肥1.15斤N。(2)对水稻的氮素吸收利用率约为:中稻:菜饼22—27%,草塘泥15%,绿肥17%,堆(?)肥13%,塘泥4.6—6%。早稻:绿肥30%,草塘泥20%,猪牛(?)肥7.25%,青草堆肥5.7%。2.各农肥在水田中自6月中旬至9月上旬,NH_4-N 的释放量以绿肥最快最大,菜饼的分解速率仅次于绿肥,但在施肥一个半月后释放量达到最高峯。草塘泥兼有迟速效特性,释放速率及释放量都比较平稳,不象绿肥那样猛发,又比堆(?)肥速效成份高,比河泥养分释放快。堆(?)肥释放情况介于草塘泥与河泥之间,后期分解量较高。河泥释放量最差,有时几和对照相近。此外,土壤分析结果指出:在种中熟籼稻的土壤中NH_4-N 在10微克/克土(ppm)以下似难被利用(图1)。3.就植株氮素吸收利用及生长情况可看出:施用绿肥对中稻的营养生长有特别促进作用。如施用量稍多,就会引起先期猛发,徒长茎叶,增加草谷比例,产量并不能提高,因此施绿肥时,配合速效氮肥做面肥或施追肥时应特别注意,在绿肥用量较高时,再用速效氮肥往往有害无益。如直接施用绿肥,则施用量不宜过多,耕翻时也要适当提早,速效肥要看苗施用。草塘泥性平稳,用做基肥时,配合少量化学氮肥做面肥及穗肥均可进一步提高产量。堆(?)肥与河泥性质慢,不论施用于中稻或早稻,均必须增施速效肥料,不然肥效很低。早稻生长初期气温低,农肥养分释放慢,同时早稻生长期短,插秧后20天即进入幼穗分化期,因此分解较快的绿肥,及含速效氮较多的草塘泥用做早稻基肥,效果更为显著。所有农肥增施了速效氮肥做面肥及追肥都有良好增产效果,其中分解愈慢的农肥效果愈大。例如绿肥及草塘泥增施速效氮肥后产量增加48.3%及43.2%,N 素吸收利用率增加1倍及8成,而青草堆肥配合速效氮肥时,产量增加85%,N 素吸收利用率提高近四倍(表13)。4.各农肥单独施用做早稻基肥时,植株每日氮素吸收量皆以抽穗期为最多,若增施速效N 肥后,则每日氮素吸收量最多时期均由抽穗期提前至幼穗分化期,同时产量也显著提高(表5)。

Observations were made on the morphology of floral organs inmale sterile rapes,B.chinensis L.and B.napus L..It was foundthat their floral organs were different in morphology and fertility.On the basis of morphological features,the male sterile plants couldbe classified into six types.The completely male sterile type withabortive anthers was considered of practical value and described indetail.The relation between the morphological variation of floralorgans and the degree of fertility was analysed and a...

Observations were made on the morphology of floral organs inmale sterile rapes,B.chinensis L.and B.napus L..It was foundthat their floral organs were different in morphology and fertility.On the basis of morphological features,the male sterile plants couldbe classified into six types.The completely male sterile type withabortive anthers was considered of practical value and described indetail.The relation between the morphological variation of floralorgans and the degree of fertility was analysed and a few criteriafor selecting effective male steriles were suggested.These include(1)stable male sterile flowers mainly with anthers light in color ornearly necrotic and flat in shape,(2)good fertile pistils with abun-dant pod—bearing and seed—setting ability,and(3)apparently normaldevelopment of other floral parts.For selecting effective male sterilelines,the breeding methods were suggested by the author.To theauthor's opinion,the available material A_2I could be used to makehybrid rapes for breeding purpose,

对白菜型油莱(B.chinensis L)和甘蓝型油菜(B.napus L)雄性不育的花器形态进行了大量观测,结果表明:雄性不育油菜的花器存在着多种形态和育性程度的变异,初步可以分为六种花器类型。本文叙述了其中有实用价值的败药不育型的花器形态特征,分析了花器形态变异与育性的关系,提出了选育有效雄性不育油菜的花器形态指标:1.雄蕊不育性彻底稳定(以花药色浅呈坏死色泽,花药扁平即侧面无外凸增厚为主要特征。);2.雄蕊可育性好,自然结角结籽率高;3.其它花器官形态功能接近正常。对油菜有效雄性不育的选育方法也作了介绍,指出 A_2I 是选育有效雄性不育系的主要研究材料。

1.The dried seeds of rape cv."Shengli" were subjected to radiation of ~(60)Co-gamma rays at 5 exposures (relative humidity 88%, dose rate 650 R/min.) of 15 (A), 30 (B), 60 (C), 90 (D), and 120 kR (E) and unirradiated as the control.The effects on germinating rate, germinating energy, growth rate of radicle, dry weight, diameter of root collar, chlorophyll content before and after winter, oil content and iodine value were measured respectively in laboratory and field. 2.It was noted that exposures at lower...

1.The dried seeds of rape cv."Shengli" were subjected to radiation of ~(60)Co-gamma rays at 5 exposures (relative humidity 88%, dose rate 650 R/min.) of 15 (A), 30 (B), 60 (C), 90 (D), and 120 kR (E) and unirradiated as the control.The effects on germinating rate, germinating energy, growth rate of radicle, dry weight, diameter of root collar, chlorophyll content before and after winter, oil content and iodine value were measured respectively in laboratory and field. 2.It was noted that exposures at lower dosage (as A and D) stimulated the plant growth and development.In contrast to this, at higher dosage (as C, D and E), many physiological inhibitory effects were observed.It may be concluded that the higher the irradiated dose applied, the more radiation injuries occured. 3.According to data obtained, the lethal dosage of 50% survival seedlings from the irradiated dry seeds was ranged from 60 kR to 120 kR with approximately 31—53% survival. 4.In comparison with the control, mean oil content from M, plants were increased about 3—7%.In the case of iodine value, however, no marked difference was found between the irradiated ones and the control in M generation.

1.甘兰型胜利油菜干种籽以1.5万仑、3万仑、6万仑、9万仑及12万仑的~(60)Co—γ射线进行辐射处理,对其照射一代(M_1)的发芽率、发芽势、幼根生长速率、干物质重、根颈周长、冬前冬后叶绿素含量、含油率及碘值等作了测定。 2.低剂量(1.5万仑、3万仑)处理能提高植株的生理机能,促进植株生长发育,高剂量处理(6万仑、9万仑、12万仑)对生长发育有抑制作用,辐射损伤有随剂量递增而增加的趋势。 3.根据本实验所得结果,达到50%存苗率的适宜剂量为6—12万仑,存苗率约为31—53%。 4.各处理在M_1代的含油量比对照提高3—7%,但碘值似无变化。

 
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