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Background: The crystalline lens locates right behind the pupil and is held in a three dimensional space by zonular fibers and ciliary muscles.

背景: 位於瞳孔后方的水晶体是由环状纤维及睫状肌所连接。

Comparing with marine oils in the adjacent areas, all crude oils in Hade 4 oil field (except for HD401 well) have following peculiarity: very similar in the composition of light hydrocarbon fraction, and the distribution of of phytane-series isoprenoid alkanes, high concentration in steranes, terpanes and their aromatized compounds, as well as rearranged steranes; low concentration of gammacerane, 24-norcholestanes and 24-rearranged steranes, and low C〓 regular steranes C〓/(C〓+C〓+C〓<20%; 3-methyl steranes and 27-norcholestane predominated, respectively; very low concentration of dinosterane and 4-methyl steroid.

分析表明,与相邻地区海相原油比较,除最南端的HD401井原油外,其它井区原油均具有下述特点:轻烃馏分组成十分接近、植烷系列类异戊烯烷烃分布较为一致、甾萜类和芳香甾萜类环状化合物浓度较高、重排甾烷丰度较高、伽马蜡烷含量低、规则甾烷组成中C〓丰度低C〓/(C〓+C〓+C〓<20%、甲基甾烷中以3-甲基甾烷为主、甲藻甾烷和4-甲基甾烷丰度极低、降胆甾烷中以27-降胆甾烷为主、24-降胆甾烷和24-重排降胆甾烷丰度低。

The present invention relates to an ultraviolet detector and manufacture method thereof, in which a buffer layer is formed on a baseplate and a P-type GaN layer is formed on the baseplate by using epitaxial method. By availing ion-distribution-and-vegetation technology, a first N-type GaN layer is vegetated and invested in the P-type GaN layer by distributing and vegetating Si.sup.+ ions in that layer, and a second N-type GaN layer having a thicker ion concentration is invested in the N-type GaN layer.

专利简介本发明系关於一种紫外光检测器及制程方法,其主要系在一基板上形成一缓冲层,利用磊晶法在缓冲层上形成一P型氮化镓系层,并接著以离子布植技术将Si+离子适当地布植於该P型氮化镓系层中,形成一N型氮化镓系层及包覆在此N型氮化镓系层中且布植浓度更高的另一N型氮化镓系层,最后在该P型氮化镓系层及第二N型氮化镓系层上分别镀上一环状金属层及另一金属层,以作为欧姆接触层。

Disk absent or annular, cup-shaped, sometimes elongated on one side.

花盘无的或环状,杯状,有时在一侧延长。

Results: 1 The analysis revealed that GAP-43 immunopositive neurons in rats were localized in all the layers of lateral geniculate nucleus and the layers II -VI of visual cortex area 17,and GAP-43 is stained by a ring and dot figure and brown-yellow colour in cytomembrane ; 2, In the critical period, gene expression concentration and number of GAP-43 immunopositive neurons, in both the lateral geniculate nucleus and the visual cortex area 17, received from the deprived eyes, are reduced.

结果:1、GAP-43在正常大鼠视觉系统表达主要见于外侧膝状体全层和视皮质17区Ⅱ—Ⅵ层神经元胞膜中,呈环状或点状棕黄色免疫阳性反应;2、在敏感期内剥夺眼对侧外侧膝状体和视皮质17区GAP-43表达的免疫阳性神经元染色变淡(P<0.05),且免疫阳性神经元数目减少(P<0.05)。

That polyring aromatised hydrocarbons, dehydroabietic acid, other tricyclic diterpanoic acids and pentacyclic triterpanoic acids are not existed or in a much low amount in Zhaotong brown coal resin is distinguished from those resins isolated in Xundian, Liaohu, Shulan brown coal waxes in China.

稠环芳烃、松香酸、去氢松香等环状化合物含量很低或不存在,是昭通褐煤蜡与国内其它褐煤蜡组成的重大差别。

In the Pacific Ocean there are many coral atolls that are ring like islands.

在太平洋中,有许多如岛屿般成环形排列的环状珊瑚礁。

Tahiti is just one of 118 islands and atolls that make up French Polynesia, a semi-autonomous territory of France.

塔希提岛正好是由118座岛屿和环状珊瑚岛组成法属波利尼西亚之一,法国的一个半自治领土。

These bikes are used for Cyclo cross racing, a sport which began in Europe, as off-season training for road racers.

这些自行车是用于环状交叉赛,其中的运动开始在欧洲,由于淡季道路赛车培训。

A verity of epoxides could also be transformed to the corresponding cyclic carbonates with a high yield in the presence of the binary catalyst system.

该二元系统也能催化其它环氧化物高产率地转化为相应的环状碳酸酯。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。