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叶轴

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Leaves 29-84 cm; petiole 7-12 cm, pilose to glabrescent, often lenticellate; rachis moderately pilose to glabrescent, occasionally velutinous; leaflets usually 6-9(-12) pairs; petiolules (2-)4-12 mm, pilose/villous to glabrescent; leaflet blades lanceolate to ovate-lanceolate, 7-14(-19.5)× 3.1-6(-7) cm, often dark grayish brown, moderately pilose to glabrescent, usually with short trichomes and club-glands apically on midveins, veins basally pilose to villous/velutinous, base symmetrical to asymmetrical, margin entire, apex acuminate to occasionally acute.

叶29-84厘米;叶柄7-12厘米,具柔毛到几无毛,通常具皮孔;轴适中具柔毛到几无毛,偶尔被短绒毛;小叶通常6-9(-12)对;小叶柄(2-)4-12毫米,具柔毛/具长柔毛到几无毛;小叶叶片披针形到卵状披针形, 7-14(-19.5)* 3.1-6(-7)厘米,经常暗灰棕色,适中具柔毛到几无毛,通常在顶部中脉上具短毛和棍状腺体,脉基部具柔毛到具长柔毛/被短绒毛,基部匀称到不对称,边缘全缘,先端渐尖到偶有锐尖。

Descovered by microsurey, the small bulb formed by level cells which originate from scales by cutting is external origination. The level cells forms unrules large towers.whith have mound shapes, strick shapes and lobate shapes etc.

显微观察发现,小鳞茎的形成直接起源于扦插鳞片切口端近轴面的表层细胞,是外起源的,表层细胞分裂形成不规则的巨型突起,有丘状、棒状、叶状等。

The meridionally accelerated axial-flow fans including meridian acceleration rotor, vaneless diffuser and volute was numerically simulated in the whole flow passage by Reynolds time-averaged N-S equations with tensor and k-ε turbulence model.

采用三维雷诺时均N-S方程和标准k-ε湍流模型,对包含叶轮、无叶扩压器与轴向蜗壳于一体的子午加速风机进行了整机全流道的数值模拟。

Trees evergreen; trunk monopodial, straight; branches nearly whorled; branchlets ridged and grooved, with each leaf borne on a persistent, peglike base; short branchlets absent; winter buds ovoid, conical, or subglobose, resinous or not, scales on terminal buds recurved or not, persistent at base of branchlets.

常绿乔木树干单轴分枝,直;分枝差不多轮生;小枝具脊和凹槽,有每叶生于一持久,钉状基础;短小枝无;卵球形,圆锥状的冬芽,或近球形,与否树脂,由顶芽开出的鳞片与否,宿存在基部的小枝。

Leaves alternate; petiole 1.5-2.5 mm, densely white tomentose; leaf blade adaxially light green, elliptic, lanceolate, or ovate-oblong, small, narrow, 1-2 cm × 5-8 mm, stiffly papery, abaxially densely and persistently gray-white tomentose, adaxially glabrous or sparsely white pubescent, lateral veins 4-6 pairs, midvein prominent abaxially, inconspicuous adaxially, base obtuse, margin serrulate, apex obtuse or acute, rarely rounded, often long mucronulate. Flowers yellow-green, sessile, gray-white pubescent, usually in terminal and axillary spicate panicles; rachis 1-2 cm, densely gray-white pubescent.

叶互生 叶柄1.5-2.5毫米,密被白色;叶片正面淡绿,椭圆形,披针形,或卵状长圆形的,小,狭窄,1-2厘米*5-8毫米,硬纸质,浓密背面和持续灰白色被绒毛,正面无毛或者稀少白色短柔毛,侧脉4-6对,花黄色绿色,无梗,灰白色短柔毛,通常在顶生和腋生穗状圆锥花序里;轴1-2厘米,浓密灰白色短柔毛。

Stem leaves alternate, long petiolate, ovate-lanceolate, large, pinnatipartite to pinnatisect; rachis winged; segments remote.

茎生叶交替,具长叶柄,卵状披针形,大,对羽状全裂的羽状深裂;轴具翅;裂片遥远。

Leaves to 5 mm wide; inflorescences often with 2 cymules separated by a distinct rachis; sepals sparsely puberulent.

叶到5毫米宽;花序通常具2小聚伞花序一离生的轴分开;萼片疏生微柔毛。

Leaves pale green abaxially; fruit whitish, succulent; leaf blade usually more than 2 × as long as wide; rachis densely puberulous.

叶苍绿色背面;果带白色,肉质的;叶片通常超过2 *倍于宽;轴密被微柔毛。

Adopt optimized transformation system of the melon cultivar: the explant infected in the engineering bacterium the OD560 of which was 0.30 for 15min, and co-cultured for 3days; Choosing cultivated in MS +1mg/L 6 - BA + 500mg/L carb + 75mg/L Kan, extend cultivated in MS +0.05mg/L 6 - BA + 300mg/L carb + 75mg/L Kan and rhizogenic cultivated in 1/2MS + 200mg/L cef + 25mg/L Kan.

对甜瓜栽培品种的转化采用已优化好的转化体系:农杆菌菌液OD560=0.3,侵染时间为15min,外植体选用近轴端子叶;共培养时间为72h。

And the extreme centrifugal force from the enlarged higher impeller stops the solution as it entering the higher impellr. At the same time, the full solution in the chamber stops the air mixed with the solution in the chamber to go down. This way masterly eliminates both big problems of vertical sealless pump, overflow at high pressure and bubbles at big flow.

上部叶轮时,即受加大之背叶的强大阻力而无法上升,但上部叶轮所卷入液体中的空气,却受阻於水室中贮满的液体而无法下降,如此巧妙地排除了立式无轴封泵高压时溢流,或大流量时吸入空气的两大难题。

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