纯一化

Researching and developing riderless bicycle is a important work offering scientific and actual significance . Internal and overseas research actuality was summarized in this paper , existent problems was analyzed , and then primary development direction of riderless bicycles was presented .

而自行车机器人实际上就是一种无人驾驶的自行车，因此，自行车机器人的控制问题相当困难，如不能采用连续或可微的纯状态反馈实现系统的渐近稳定，不能采用非线性变换实现整体线性化等。

The paper describes the new developments of producing high purity indium by vacuum distillation and thin layer fused salt electrolysis refining,as well as production of high purity metallic indium powder via disproportioning indium monoxide in aqueous medium.

报道了俄罗斯使用真空蒸馏和熔盐电解精炼制取高纯铟，以及用一氯化铟在水溶液中的歧化法制备金属铟粉的新进展。

Athena series boast natural and graceful styles represented by the combination of solid-color tiles of different colors and luster, like a concise and avant-garde abstract painting; Galaxy Stone series are endowed with artistic quality according to their natural patterns and gorgeous colors, and they are also safe and environmental friendly; Diamond series enjoy super hardness and diamond quality, crystal-clear and natural texture, excellent abrasion resistance and extremely low water absorption; Emerald Stone series are the perfect combination of outside beauty and inside merits thanks to their rock-style natural texture; Magic Crystal Jade series are as lucid as jade, show attractive texture and transparent crystal phase as high as 90%; Fuji White series are made with original two-in-one production technology, and enjoy smooth surface texture, for the construction of an artistic space; Lava Stone series comprise multiple raw materials, show special charm and exclusive styles; Snow Crystal Stone series show the newest ceramic styles and cater for the taste of the masses; Sky River Stone series present diversified noble and elegant texture, free flowing as clouds; Lucky Star series enjoys fine and flowing texture and glittering surface due to the scattering of numerous micro-crystals; Rainbow Stone series present us fine texture and soft color and luster, being hard and stain resistant; New Generation series are made with multi-layer material distribution technique, enjoying lively and smooth texture and distinct layers.

利家居不断设计出新颖的产品，以尊贵品位、卓越超群为理念，推出雅典娜系列雍容大器张显贵族气派不同色泽纯色砖搭配铺贴有如一幅简约而前卫的抽象画、银河石系列艺术手法造就陶瓷艺术感观其图案自然色彩绚丽安全环保、金刚石系列金刚硬度钻石风范其晶莹剔透纹理丰富自然坚韧耐磨吸水性极低、翡翠石系列外观美感与内在特性的完美结合其产品提炼岩石纹理效果清晰随意、幻晶玉系列如玉晶透张显纹理动人合成透明晶相高达90%、富士白系列独创合二为一的生产工艺专体纹路流畅构筑艺术空间、熔岩石系列多种原料融为一体极具韵味展现与众不同的风格之美、雪晶石系列全新的陶瓷特色迎合大众品味其产品融洽淡雅融合如写意山水、天河石系列玉脉纵横华贵端庄纹理自由随意似云影飘逸潇洒飘扬美伦美焕、幸运星系列流动细腻晶莹灵动其面层微晶颗粒晶莹圆润变化万千、彩虹石系列形式之美完美体现其纹理细腻色泽柔和采用顶尖工艺坚硬防污、风生水起系列采用多层布料技术纹理生动流畅层次分明，等多系列多款式完全玻化砖。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。