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Replica of a Viking longship.

十年图破,破十年在原地

This benefit was obtained by using a moldboard plough to prepare the soil in the pre-monsoon period in June.

这种好处由6月季风季节之前用有犁整地翻耕得到,然后土地在季风季节休闲直到11月种麦。1983年有犁耕翻(30厘米深)的效果与深松犁(45厘米深)、凿形犁(25厘米深)和农民的播种机(10厘米深)加以比较,只有有犁的效果明显好于播种机(Khan等,1986)(图1)图1。

After 30 days, the cultures were preserved in darkness, and 4 types of resting cysts were found after another 90 days:(1) spherical to ovoid cysts (25-39 μm long) covered by asparse or numerous calcareous attachments (1-4 μm long) and a calcareous surface;(2) spherical cysts (29-35 μm diameter) with a noncalcareous surface attachment, calcareous surface;(3)spherical to ovoid cysts (29-35 μm long) w ithout any surface attachment and a calcareous surface; and (4) spherical c ysts (24- 35 μm diameter) without any surface attachment and an organic surf ace.

培养30天后,培养液中有大量休眠孢囊,将藻液避光保存90天后,观察到培养基中有4种类型的休眠孢囊产生:(1)球形到椭球形(长25-39 μm),钙质外,稀疏或密被钙质附属物(长1-4 μm);(2)球形(直径为29-35 μm),钙质外,附属物非钙质(长0.5-1.5 μm);(3)球形到椭球形(长29-35 μm),钙质,表面光滑,无附属物;(4)球形(直径24-35 μm ),有机外,无附属物。

Results:X-ray Barium Enema findings of AMC:No filled appendical image;widening the interval up to 2cm~3cm and forming 40~55 angles between the end of ileum and the cecum;there were half-moon impressions on the cecal paries medialis and/or the paries lateral of the end of the ileum;CT findings of AMC There were...

结果 :AMC钡肠X线征象:阑尾不显影;盲肠与回肠末端间距增宽达 2cm~ 3cm ,并形成 4 0~ 5 5度夹角;盲肠内侧或/和回肠外侧半弧形压迹,形态固定;AMC的CT征象;右髂窝区"多个"囊性病灶,呈圆形和索条状;囊光滑;病灶周围结构清晰。

Polypodioideae are morphologic uniform; they are monolete, bilaterally symmetric, ellipsoidal in polar view, bean-shaped in equatorial view, and with or without perispore. The surface ornamentation is regularly verrucate.

研究结果表明,该亚科植物孢子形态较为一致,均为单裂缝,两侧对称,极面观为椭圆形,赤道面观为豆形,具周或不具周,外正面观均为较整齐的疣状纹饰。

Baimatuoensis and Cloudina respectively imply that phosphatization of microbes was taxon-specific, and may due to the discrepancy of wall structures. The multi-walled S. levis with smooth outermost surface may be closely related to polychaete tubes with many organic laminae.

在共生的Sinotubulites baimatuoensis和Cloudina壳上,极少或完全不存在这些磷酸盐化组构表明微生物的磷酸盐化作用具有专属性,可能由壳微结构所决定,具多层状的S.levis可能与具许多有机质纹层的多毛类壳关系密切。

The present invention is process of separating and assembling metallic single wall carbon nanotube and semiconductive single wall carbon nanotube synchronously. The process includes the following steps: photoetching silica substrate to prepare Au electrode, cutting intervals in the electrode with focused ion beam, soaking the electrode in DMF solution of single wall carbon nanotube, and applying electric field of 2-8 V magnitude and 1-10 Hz frequency.

本发明的目的在于提供一种金属性和半导体性单碳纳米管的同步分离与组装方法,该金属性和半导体性单碳纳米管的同步分离与组装方法包括如下步骤:通过常规光刻在含二氧化硅的衬底上制备金电极的步骤;利用聚焦离子束在电极上刻出若干个间隙的步骤;将上述电极浸入到单碳纳米管的DMF溶液的步骤;施加大小为2~8V、频率为1~10Hz的电场的步骤。

The mean velocity distributions in turbulent boundary layers of smooth surface and two different riblet surfaces are measured with IFA300 constant-temperature anemometer in low-speed wind tunnel to validate the full development of turbulent boundary laye. Friction velocity and wall friction stress of turbulent boundary layer are obtained with the least-squares fitted curve of the sublayer velocity distribution based on Spalding formula, and virtual origin position of riblet surface can be acquired accurately.

在低速风洞中来流速度一定的情况下使用IFA300恒温热线风速仪测量了光滑表面和两种不同尺寸的脊状表面湍流边界层平均速度分布剖面,并验证了试验段湍流发展的充分性;通过应用Spalding面公式使用最小二乘法精准拟合了实验测量的边界层内层速度分布曲线,得到了湍流边界层面摩擦速度并进一步求得湍流面摩擦应力,较准确地计算出脊状表面的虚拟原点位置,并通过与对数律公式拟合结果比较分析,证实了该方法更加准确有效。

As compared with the experiment,the computed surface pressure and skin friction lines are very goo...

湍流模型对面压强和面摩擦力线影响很小,对绝热面温度和热传导影响很大。

The spermatozoa are embeded in a extracellalar matrix composed of high dense fibrils matrix and flocculent and concentric vesicles similar to that in the primary spermatophore layer, but the later lack of spermotozoa. The flocculent and concentric vesicles are often seen to release their contents around the main body of spermatozoa. The spermatozoa may absorb the contents to form vesicular zone and membrane zone in sperm nucleu. The secondary spermatophore layer is distinctly subdivided into inner region and outer region. The loose outer region consists of canaliculated reticulum and large flocculent vesicles.

输精管内的精荚为管状,由精子群、精荚基质及初级精荚和次级精荚组成,初级精荚与精荚基质是相连续的,它们之间无明显界限,两者均由电子密度较高的纤丝状基质和絮状泡和同心圆泡组成,但后者不含精子,后者中的絮状泡和同心圆泡常在精子主体部周围释放内含物,可能与形成精子细胞核中的泡状带和膜状带有关,在交配后的雌虾,其头胸部腹面上粘着的精荚中,其基质内已不见絮状和同心圆泡,仅见稀疏的纤丝。

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Plunder melds and run with this jewel!

掠夺melds和运行与此宝石!

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻,也许正是在通往天国的路上,我体验着这白色的晕旋。

When you click Save, you save the file to the host′s hard disk or server, not to your own machine.

单击"保存"会将文件保存到主持人的硬盘或服务器上,而不是您自己的计算机上。