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The Sun's photosphere has thousands of bumps called granules and usually a few dark depressions called sunspots.

图中的太阳光球层视野区域有数千凸起物,一般称为米粒组织;夹杂着一些小黑凹陷区域,我们称为太阳黑子。

The three-dimensional eccentric sealing system, with its optimized design, facilitates the small starting resistance of disc will break away from sealing ring synchronously, so as to avoid solid substances being deposited on sealing surface.

三维偏心密封系统加之优化的设计,使阀门开启阻力小。蝶板密封面为一向上凸起的锥形,开启时蝶板圆周面上的各点同时完成脱离密封圈,固体物不易在密封面上堆积。

On the basis of previously research, this paper re-probe into the mechanism of electro-chemist mechanical manufacturing process, making the rational technological parameter, and developing the manufacturing equipment. Through a lot of technology tests, get a lot of labratory data, accordingly, researched the surface feature of the electro-chemist manufacturing process, and deeply discussed its influence on the work piece feature. The last result is that: the electro-chemist mechanical manufacturing process can reduce the low-frequency component significantly, but on high-frequency component, it has little influence, having obviously positive pole flat effect. After manufacture, the tip parts on the surface of the work piece is cut off, there is micro "high land" shape, the parameter for surface roughness is reduced a lot, the surface outline of the work piece is negative, the bearing length rate is cliffy. Also the surface quality of the work piece is improved. This can help to avoid changing the shape, improve the feature of rub, gear and reduce the time to suit. This would also ensure the precision and result in a longer work piece life.

在以前研究的基础上,本论文重新探讨了电化学机械复合光整加工工艺的机理,确定了较合理的工艺参数,对电化学机械复合光整加工设备进行了改进,通过工艺实验广泛地搜集了大量实验数据,依据实验数据,多角度地研究了电化学机械复合光整加工的表面形貌特点,并且从理论上深入讨论了电化学机械复合光整加工表面形貌对工件工作性能的影响,最后得出的结论为:电化学机械复合光整加工对工件原始表面的低频成分有较大程度的降低,而对高频成分影响较小,有明显的阳极整平作用,被加工工件表面的尖峰状凸起被去除,工件表面呈现出微观&高原型&,表面轮廓不平度高度特性参数大幅度降低,工件表面轮廓分布集中,且呈负偏态,轮廓偏斜度为负值,轮廓支承长度率曲线陡峭,工件的表面质量得到综合改善,这对提高零件的抗接触变形能力、改善摩擦、磨损性能、降低工件的磨合时间、提高工件的精度保持性、延长工件的寿命均有利。

Analytical results show that: Anode evaporation rate, which determines mostly the production rate of UFMP, is influenced by the many factors including electric parameters of arc, ambient conditions and material properties et al; Existence and increase of anode ejection can influence the production rate and property of UFMP; It is firstly found and investigated that surface connexity phenomenon of Al anode material. Analyses and calculation show that formation of anode spot and existence of self-magnetic field force play an important part in surface connexity process; Effects of cathode material on prepared UFMP is also experimentally studied and theoretically analysed. It shows that effect of the cathode is inconsiderable under the experimental conditions used in the study. At last, the experimental results found in part one are analysed and discussed in detail.

然后详细分析了电弧与电极间的相互作用过程,结果表明:决定超微粉产率的阳极材料蒸发率受许多因素影响,它主要与电弧电参量,环境条件及材料性质有关;阳极表面液滴喷溅的存在和加剧将严重地影响所制超微粉的产率和性质;首次发现和实验研究了Al阳极表面凸起现象,并对此现象进行了详细的理论分析和实际估算,认为阳极斑点的形成及自磁场作用力的存在在该过程中起着重用作用;实验研究和理论分析了阴极材料对所制超微粉的影响,认为在本文所用实验方法及条件下,阴极材料对粉的影响很小。

Fruit drupaceous, or nearly a nutlet, often with headlike, wax-covered papillae; endocarp hard. Seeds nearly without endosperm; embryo straight; cotyledons fleshy, plano-convex.

果通常为核果,或者近小坚果,通常带有乳头状的蜡质凸起;内果皮硬种子近没有胚乳;胚直立;子叶肉质,平凸。

The periostea of both experimental and control side of the mandibular ramus were taken and prepared, 2 of each 5 rabbits in a group were prepared for HE stain detection and 3 for proliferating cell nuclear antigen immunohistochemical detection.Results:1, The newly formed bone was detected on the lateral aspect of mandibular ramus after periosteal distraction. The bone was shaped like a hill. It looked very low and was full of holes at postoperative day 28. With the time of consolidation period lengthened, the newly formed bone matured gradually. X-ray examination showed the new bone shaped like a hill. The average values of new bone height at postoperative days 28,35,42 and 56 were 1.86 + 0.15mm, 2.29 + 0.29mm,3.19 + 0.13mm and 4.70 + 0.45mm. Histological examination of both HE stain and picricacid-fuchsin stain showed the increase in the number of osteoblasts and the change in the orientation of collagen fibers and bone trabecula. There were no significant differences between newly formed bone and original bone on the lateral aspect of mandibular ramus at postoperative day 56 histologically.2 Compared with the control side, the distracted periostea proliferated obviously under the microscope, and the number of periostealcells increased with satiation of cellular nuclear per unit area. The images of PCNA immunohistochemical stain of periosteum showed that the experimental periosteum proliferated obviously after distraction compared with the control side.

结果:骨膜牵张成骨的实验研究南京医科大学硕{学位论文l、骨膜牵张后,可见下领升支外侧的骨皮质上有新骨形成,新骨呈山峰状凸起,术后第28天的新生骨较低平,多孔隙,随着固定时间的延长,新骨逐渐成熟;下领升支前后向切线位X线投照显示新骨呈山峰样隆起;经测量,术后第28、35、42和56天组平均新生骨厚度分别为x.86士0.15mm、2.29士0.29mm、3.19士0.13mm和4.70 土0.45mm;脱钙骨组织的HE染色和不脱钙骨组织的苦味酸一品红染色的组织学观察均显示了新生骨在成骨细胞数量上的增长,以及胶原纤维和骨小梁排列方向上的变化,术后第56天的新生骨在组织学上与原升支骨组织已无明显区别。2、HE染色显示,与对照组相比较,实验侧骨膜增生明显,细胞间排列紧密,单位面积内骨膜细胞数增多,细胞核饱满;骨膜PCNA 免疫组化染色显示,与对照侧相比较,实验侧骨膜在牵张后出现了明显的增生迹象,PCNA阳性细胞分布紧密,单位面积内阳性细胞数较对照组多,靠近骨表面的骨膜中的阳性细胞数更多而且分布更为紧密。

Methods Three-dimensional CT angiogram of 61 confirmed ruptured saccular aneurysms were analyzed.

方法对61个破裂动脉瘤的三维CT脑血管造影图像进行分析,测量动脉瘤的最大径,计算瘤体长与瘤颈宽之比,分析其形态特征,观察有无小泡样凸起和分叶状改变。

Small bulges are also telltale signs of hidden motions inside the sun.

小的凸起也同样是隐藏在太阳内部的活动迹象。

Fourth , according of After the Han Dynasty:" quake is occurring then jar is shaking "then jar is shaking ,a head of dragon device will be operating and spiting a ball, a shaped clam device is holding a ball with mouth.

史料中只有&施关发机&4个字,根据这句话,冯锐在都柱下设计了8个方向的凸起,直接触击龙头吐丸,可是动量太小,无法让都柱摆动。

Exuberant cherubs and acrobats, a reindeer snacking on watermelon, a playful monkey dangling an ornament from its tail, a gold-embossed Nativity, a high-heeled red ankle boot stuffed with holly, and Santa's sleigh packed with presents are among the 50 black-and-white and color illustrations featured here.

在书中呈现的他的五十个黑白和彩色设计的作品中,有各种各样的小天使们和高空杂技演员,有驯鹿在西瓜上吃零食,有可爱的猴子摇摆玩耍着它尾巴上的装饰物,有金色凸起的占星物,有充满冬青树灌木的红色高跟高筒靴,有装满礼物的圣诞老人雪橇。

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从有历史以来,英国,在此地早期居住的是凯尔特人,已经被征服了三次。

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