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Kempers' study , the more layers the mesh screen type had, its resistance against gravity was higher, but its heat resistance and flow resistance were comparatively augmented. As mentioned in the preceding paragraph, it is extremely difficult for a single micro structure based on any of the three types to possess both low flow resistance and strong capillary force. Faced with this fact, the researchers have tried to mix the three micro structures in Table 2 into as many combinations as possible so that a composite micro structure with low flow resistance and great capillary force may be fabricated. After a thorough analysis, the groove combined with sintered metal or mesh screen has been found to be a better alternative. However, the groove combined with sintered metal will raise the flow resistance of the channel, and the aluminum substrate employed in this research cannot be sintered into a micro structure. As a result, the groove combined with mesh screen is finally chosen as the composite structure to enhance its capillary force and at the same time maintain its high permeability. In this way, the heat pipe will not fail due to the working angles.

Kempers 的研究当中提到,当网格结构越多层时,其对抗重力的能力也越强,但相对的其热阻以及流阻也越高,就如同前段所述,我们很难在单一结构当中找出一流阻低且细力之微结构;因此本研究便以表2中之三种微结构进行组合,找出一低流阻且细力强之复合式结构,经分析发现,沟槽搭配烧结以及沟槽搭配网格为较佳之组合方式,但由于烧结搭沟槽构造将会提高流道之流阻,且本研究使用铝做为基材,并无法使用烧结最为其微结构,故将采用网格搭配沟槽之复合式结构提高结构的细力,并维持沟槽结构的高渗透性,解决因角度造成热管失效的问题。

Second and sometimes 1st year's branchlets with conspicuous lenticels; leaf blade abaxially glabrous except grayish pubescent to densely slightly crisped villous along veins

第二和有时加明显皮孔的1年的小枝;叶片背面除对浓密稍皱波状的具长柔沿脉的浅灰色的短柔之外无 21 H。 xanthoneura 挂苦绣球

Leaves subentire or variously lobed, minutely scabrous with mostly sessile stellate pubescence adaxially, drying of different colors; leaves and stems lacking bristly, long-stalked hairs.

多数粗糙的微小的具,浅裂的叶近全缘或各种地无梗短柔,干燥的不同颜色;叶和茎缺乏具刚,长柄

Leaves usually pinnate-parted, lobes pinnately lobed or dentate; stems pubescent with simple, many-celled glandular hairs and few stellate hairs

羽状叶通常分开,裂片羽状浅裂或具牙齿;茎短柔具单,很多室腺和很少星状 37 Solanum sisymbriifolium 蒜芥茄

According to literatures and visitings, we can see the formation of Maonan Minzu and the interaction between Maonan ethnic group and other ethnic groups. Take two villages which are located in Maonan mountainous area and county'seat for example, this paper explains the ethnic identity of Maonan Minzu.

本文将从人类学的视角,运用人类学的理论和方法,根据访谈和文献的记载来考察南族的形成及其在历史上与他族群的互动状况,同时通过对南聚居区的两个村落和所在自治县的县城进行田野调查,考察南族族群认同的现状。

Sepals 4; stems densely villous-hairy or rarely puberulous; pedicels 1-10 mm; seeds free, with inflated raphe equal in size to body of seed; pollen in tetrads.

萼片4;茎密被长柔的或很少被微柔;花梗1-10毫米;种子免费,膨大的具大小相等在身体的种子;在四分体里的花粉。

Fruit cordate-ovoid or oblong-ovoid, slightly laterally compressed, constricted at the commissure, glabrous or variously hairy; ribs 5, filiform, sometimes obscured by the indumentum; vittae 1–3(–4) in each furrow, 2–4(–8) on commissure.

果心形卵球形或长圆状卵球形的,稍侧面压扁,在合生面缢缩,无的或各种地有的;棱5,丝状,有时不明显被;油管1-3(-4)在每棱槽,2-4(-8)在合生面上。

Leaves 3 or 4 per ultimate branch; auricles absent; oral setae deciduous, purple; ligule moderately exserted, purple-red; blade 8–17 × 1.2–2.1 cm. Flowering branchlets spicate,(2.5–)5–6(–8.5) cm, scaly bracts 3–5; spathes 5–7, pubescent; oral setae 1–3, short; blade small.

每末级的分枝留下3或4;叶耳无;口头的刚落叶,紫色;适中外露的叶舌,紫红色;叶片 8-17 * 1.2-2.1 穗状的厘米花小枝,(2.5-)5-6(-8.5)厘米,有鳞苞片3-5;佛焰苞5-7,短柔;口头的刚1-3,短;叶片小。

The results show that: double and heavy machine-plucking increase bud density and one-leaf and one-bud yield in autumn. They also remarkably decrease bud weight, length and fitting ratio for processing of Bailumaojian tea. Among the 4 treatments, light machine-plucking has the largest one-leaf and one-bud yield fitting for processing famous Bailumaojian tea. Chemical analysis shows that leaves of four treatments are all fit for processing famous Bailumaojian tea, while those of no machine-plucking treatment have the best organoleptic quality.

结果表明:2次机采和重度机采处理显著增加秋季茶芽密度和1芽1叶初展鲜叶产量,显著降低单个芽头的平均重量、长度及符合加工白露尖茶芽大小标准的茶芽合格率;符合加工白露尖茶芽大小标准的1芽1叶初展鲜叶产量轻度机采处理最高;内含成分分析表明,4个处理秋季1芽1叶初展鲜叶均适宜加工白露尖茶,以不机采对照处理感官品质最好。

Peduncle brown to whitish villous or woolly to pubescent, leaf blade ovate, elliptic, lanceolate, oblanceolate, to ovate-orbicular, abaxially villous or woolly, usually also pubescent; lateral veins adaxially distinct or prominent, rarely indistinct; coro

花序梗棕色到对短柔的带白色具长柔或具绵,正面的侧脉离生或者突出,很少不清楚; coro 24

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