• 带有光亮叶柄的一种北美蕨类。

    North American fern with a blackish lustrous stipe .

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  • 叶柄的,与叶柄有关的,或长在叶柄上的。

    Of, relating to, or growing on a petiole.

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  • 叶柄薄壁细胞存在晶体,叶柄的导管管径比较大,有大量的通气组织。

    The crystals exist in parenchyma cells of its petioles. Its petioles have big vessels and much aerenchyma.

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  • 每个维管束的韧皮部外面有数层厚壁细胞,增加叶柄的机械支持作用。

    There are some sclerenchymatous cells outside the phloem of each vascular bundle to increase the supporting force of the petiole.

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  • 它们起源于叶片远轴面、叶柄的表皮细胞以及苗端茎轴、花柄的表皮细胞。

    The haris originated from the epidermis cells of the stem axis, the petiole, the floral shoot and abaxial surface of the young leaves.

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  • 叶柄的基本组织中具有裂生分泌腔,5~8束维管束呈弧形排列或散布在薄壁组织中;

    There are 5~8 vascular bundles arranged in arch shape. Secretory cavities are present in the ground tissue of petiole.

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  • 结果表明:TDZ对赤霞珠离体叶片、叶柄不定芽再生有诱导作用,对叶片、叶柄的最高诱导率分别为18.06%和28.57%;

    The result indicated that TDZ had effect on the adventitious buds induction of "Carbernet Sauvignon". Adventitious bud regenerating rate from leaf and petiole is 18.06% and 28.57%, respectively.

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  • 芹菜为伞形科芹菜属中形成肥嫩叶柄的草本植物,其味辛、甘,性凉,营养丰富,含有蛋白质、各种维生素和矿物质及人体不可缺少的膳食纤维。

    Celery for the celery is formed Apiaceae herbs Feinen petiole, its spicy, sweet, cool, nutritious, containing protein, various vitamins and essential minerals and dietary fiber body.

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  • 卷完所有叶子或者达到你想要的尺寸后,紧紧捏住叶柄,并用园艺胶布把它们绕起来。

    When you have added all your leaves or reached the desired size, pinch the leaf stems tightly and begin to wrap with florist tape.

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  • 乔木或灌木叶具叶柄,全缘的或有锯齿在边缘。

    Trees or shrubs. Leaves petiolate, entire or serrate at margin.

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  • 由叶柄或叶基部生长出的变态的叶,为发育产生的外部结构。

    Stipule A modified leaf found as an outgrowth from the petiole or leaf base.

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  • 叶互生,具叶柄,薄革质或纸质,上半部边缘具牙齿,很少全缘,侧脉2或3对,低的离基三出脉。

    Leaves alternate, petiolate, thinly leathery or papery, margin dentate in apical half , rarely entire, lateral veins 2 or 3 pairs, lowest triplinerved.

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  • 植株各部位非水溶性氮含量占全氮的比例,叶片在90%以上,高于茎和叶柄,随生育时期变动很小。

    The NWSN /total nitrogen ratio was bigger than 90 % in trifoliolates, higher than that in stems and that in petioles, but they changed hardly with growing stages.

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  • 结果与结论:随着高温胁迫时间的延长,半夏叶片和叶柄中MDA含量显著增加,而块茎中MDA含量增加却不显著。

    Result and Conclusion: By stress time increasing, the content of MDA in lamina and petiole increased obviously, but it increased invisibly in tuber.

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  • 双子叶植物典型的营养叶由两个主要部分组成:叶片和叶柄。

    A typical foliage leaf of a plant belonging to the dicotyledons is composed of two principal parts: blade and petiole.

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  • 以安祖花的叶片、叶柄、带腋芽茎段为外植体进行组织培养,对其快速繁殖进行了研究。

    To establish the technical system of rapid propagation, the young leaves, petioles, and stems with buds of Anthurium andraeanum were cultured.

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  • 采用正交设计方法,研究了NAA、6-BA、MS培养基对明党参叶片与叶柄愈伤组织诱导的影响。

    Effects of NAA, 6-BA, MS culture medium on leaf and petiole callus induction of Changium smyrnioides Wolff were studied by orthogonal design.

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  • 在测定的30份大田病株茎杆、叶柄、叶脉样品中,阳性样品率为100%。

    The rate of positive samples was 100% by the ELISA among 30 stems, petioles and veins from naturally diseased cottons.

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  • “红宝石无核”的叶柄不定芽再生率远远低于其叶片。

    Rate of bud regeneration of'Ruby Seedless'was greater from leaves than petioles.

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  • 在茎和叶柄上,粘液毛发生于某些特化的小型表皮细胞上,花柄表皮上有无特化的细胞,尚未确定。

    In stems and petioles, slime hairs were found on certain specialized smaller epidermal cells only, which are uncertain on pedicels.

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  • 绿色或咖啡色的柔软叶柄,节间距离易变。大的悬垂型。

    Green or brown flexible petiole, variable internode length. large trailer.

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  • 对具绵状毛的至少沿脉被微柔毛的叶片和叶柄;花药球状的或肾形。

    Leaf blade and petioles puberulent to woolly at least along veins; anthers globose or reniform.

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  • 无柄的叶没有叶柄。

    A sessile leaf has no petiole.

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  • 某些植物上有细管的叶柄。

    A sessile leaf has no petiole.

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  • 一年生长枝叶片的叶宽、叶长、叶面积、叶柄长、叶基角均随叶序的增加逐渐减小,叶形指数和有缺刻叶的比例则增加。

    In long shoot, the leaf width, leaf length, leaf area, petiole length and basal Angle decreased, but the leaf index and the ratio of lobation increased as its arrangement increased.

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  • 赤霉酸(GA_3)处理菜豆叶柄和棉苗子叶柄外植体,离区的纤维素酶活力增加,而吲哚乙酸(IAA)则抑制离区纤维索酶的活力。

    The paper studied effects of GA_3 and IAA on cellulase activity in abscission zone from petiole of primary leaves of bean, cotyledon petioles and boll petioles of cotton.

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  • 黄色叶柄处具有窄小复叶的北美蕨类。

    North American fern with narrow fronds on yellowish leafstalks.

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  • 黄色叶柄处具有窄小复叶的北美蕨类。

    North American fern with narrow fronds on yellowish leafstalks.

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