The relation of the minimal deflection angle with the refractive index of glass microsphere is obtained on the basis of geometric optic theory, and the domain of the refractive index is analyzed when the retroreflective capability of the glass microsphere reflection pellicle is in the best condition. The relation of the intensity of illumination with the deflection angle is given.

根據(jù)幾何光學(xué)原理国产黑丝自拍，得到了玻璃微珠最小偏轉(zhuǎn)角與折射率關(guān)系的表達(dá)式欧美在线a片播放97视频，分析了玻璃微珠回向反射特性最佳時(shí)的折射率范圍麻豆视频网址；給出了接收面上的光照度與偏轉(zhuǎn)角的關(guān)系方程狼友视频无码。

Hot-Melt Laminating Machine is to laminate two or more different materialstogether through thermal radiation;meanwhile,apply appropriate pressure to make them become one composite.It has high adaptability and stability adn is widely used for laminating cloth leather,shoes soles and foaming sheets.lt use PE pellicle to replace glue which makes stronger effect and longer time for products stock,no discolouring,not easy to tear apart.This machine combines with the actiyator and automatic temperature circuit,which allows thick and thin laminating.accurate control of production quantity and quality,and is able to count amounts.Modern structure.stable performance,simple operation,low faulty rate and long operating life make it a fabulous machine

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Compared with contrasted, the wound healing rate of treatment remarkably improved after 7 days, 14 days, 21 days and 28 days; The histology filleting indicated that the BC could permit the fibroblast and blood capillary to gradually grow into the cellulose pellicle, which interpreted that the BC had therapeutical effect on the skin wound. At last the study of embedding BC under derm indicated that there was no obvious sign of acute immune rejection, slight inflammatory response inducing the organic which lasted short time and gradually extincted till last.

皮下埋植細(xì)菌纖維素膜的實(shí)驗(yàn)結(jié)果表明：細(xì)菌纖維素膜植入體內(nèi)后人人洗澡人人操麻豆，未發(fā)現(xiàn)明顯的排斥反應(yīng)黄色日韩不卡，早期誘發(fā)機(jī)體產(chǎn)生的炎癥反應(yīng)輕微，但持續(xù)時(shí)間短一级特黄手机免费看片，到后期完全消退欧美三级日韩精选。

The pingan county coast area, the climate is warm, the soil is fertile, the sunshine time is long, the day and nights temperature difference is big, suitable plateau pellicle walnut tree's growth.

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In print, is to avoid nbspvacuum blowing into the phenomenon, which the player blows that film pellicle and PS photoptic cutan it suck-in between does not close, there is a gap, quality problems.

在曬版時(shí)給制止呈現(xiàn)真不滿泵吹氣本體，吹氣便當(dāng)使軟片藥膜與PS版感平膠膜之間呼分不虛假无码aaa，不不松稠伊人免费视频，活命著間隙影音先锋色噜噜狠狠，呈現(xiàn)質(zhì)量題目。