目前维冠光纤导光管及塑胶软管等系列产品已远销波兰、印度、加拿大、俄罗斯、新西兰、澳大利亚等国家和地区。
Currently dimensional optical waveguide fiber crown and plastic hose and other products have been exported to Poland, India, Canada, Russia, New Zealand, Australia and other countries and regions.
植物群体受光结构与光截获的研究是冠层小气候研究重要领域之一。
Study on vegetation colony structure and the interception of light by a canopy is one of important fields of the study on canopy micro-climate.
本文将一种高效的辐射度算法与番茄结构模型有机结合，来快速模拟番茄冠层内光分布和3D叶片上的光截获。
A high efficient radiosity technique was linked with tomato structure model to simulate the energy exchanges inside the canopy, and light interception was computed at the 3D leaf level.
结果表明，灌浆中期测定较能反映整个灌浆期的冠层光分布状况。
The results showed that the middle of filling stage was a suitable period to evaluate solar radiation distribution in wheat canopy.
冠层对太阳漫射光的消光系数由作物株型确定，对直射光的消光系数由株型和太阳位置确定。
The extinction coefficient for diffuse and direct radiation is given by crop canopy architecture and solar position.
一般叶角越小，冠层受光越优越。
Generally, the smaller the leaf Angle was, the better the light distributed.
结论：光弹应力分析法适用于双层结构全瓷冠应力分布的研究，可用于观测全瓷冠的应力分布趋势及其变化。
Conclusion: Photoelastic stress analysis method can be used in the study of the stress distribution in ceramic dental crown with bilayer structure.
结果表明：印楝种源间光响应曲线因叶龄和冠层部位的不同而呈现不同的特征格局；
The results showed that light response curves of the four provenances exhibited different characteristics with different aged leaves and positions within the tree crowns.
合成了一种新的双冠醚，氧化偶氮双苯并15 -冠- 5。初步探讨了它的光异构现象及其对稀土和碱金属离子的萃取能力。
Azoxybisbenzo-15-crown-5 was synthesized. Photoinduced trans-cis isomerization as well as its ability to extract alkali metals and rare earth metals' were dis-cussed.
合成了一种新的双冠醚，氧化偶氮双苯并15 -冠- 5。初步探讨了它的光异构现象及其对稀土和碱金属离子的萃取能力。
Azoxybisbenzo-15-crown-5 was synthesized. Photoinduced trans-cis isomerization as well as its ability to extract alkali metals and rare earth metals' were dis-cussed.
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