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| 1 | Biological couplings: Classification and characteristic rules显示文摘The phenomena that biological functions originate from biological coupling are the important biological foundation of multiple bionics and the significant discoveries in the bionic fields. In this paper, the basic concepts related to biological coupling are introduced from the bionic viewpoint. Constitution, classification and characteristic rules of biological coupling are illuminated, the general modes of biological coupling studies are analyzed, and the prospects of multi-coupling bionics are predicted. | REN LuQuan LIANG YunHong | 2009 | Science China(Technological Sciences)2009，52，10： | 32 |
| 2 | Hydrophobicity mechanism of non-smooth pattern on surface of butterfly wing显示文摘Twenty-nine species (24 genera, 6 families) of butterflies typical and common in northeast China were selected to make qualitative and quantitative studies on the pattern, hydrophobicity and hydrophobicity mechanism by means of scanning electron microscopy and contact angle measuring system. The scale surface is composed of submicro-class vertical gibbosities and horizontal links. The distance of scale is 48—91 μm, length 65—150 μm, and width 35—70 μm. The distance of submicro-class vertical gib-bosities on scale is 1.06—2.74 μm, height 200—900 nm, and width 200—840 nm. The better hydropho-bicity on the surface of butterfly wing (static contact angle 136.3°—156.6°) is contributed to the co-effects of micro-class scale and submicro-class vertical gibbosities on the wing surface. The Cassie equation was revised, and new mathematical models and equations were established. | FANG Yan SUN Gang WANG TongQing CONG Qian REN LuQuan | 2007 | Chinese Science Bulletin2007，52，5： | 31 |
| 3 | Design Principles of the Non-smooth Surface of Bionic Plow Moldboard显示文摘The diverse non-smooth body surfaces to reduce soil adhesion are the evolutional results for the soil animals to fit the adhesive and wet environment and can be used as a biological basis for the design of bionic plow moldboard. The model surfaces for bionic simulation should be taken from soil animal digging organs, on which the soil motion is similar to what is on the surface of moldboard. By analyzing the distribution of non-smooth units on the body surface of the ground beetle jaw and the soil moving stresses, the design principles of the bionic moldboard for the local and the whole moldboard were presented respectively. As well, the effect of soil moving speed on reducing adhesion, the dimensions relationship between soil particles and non-smooth convexes, the relationship between the enveloping surface of non-smooth convexes and the initial smooth surface of the plow body, and the convex types of the sphere coronal and the pangolin scales,etc.were discussed. | Luquan Ren, Shiqiao Deng, Jingchun Wang, Zhiwu Han Key Laboratory of Terrain-Machine Bionics Engineering (Ministry of Education,China), Jilin University at Nanling Campus, Changchun 130022,P.R. China | 2004 | Journal of Bionic Engineering2004，1，1： | 28 |
| 4 | Flexible unsmoothed cuticles of soil animals and their characteristics of reducing adhesion and resistance显示文摘Based on observing and analyzing the typical soil animals, the flexible unsmoothness is defined, which is the moving unsmoothness made by the flexible deformation of the structural units, and its characteristics of reducing adhesion and resistance is analyzed. The tests show that on the same conditions, compared with 45 Steel, the adhesion of the field_mouse’s fur is reduced by about 35%, its sliding resistance is reduced by about 80%. | Luquan Ren Yunpeng Wang Jianqiao Li Jin Tong | 1998 | Chinese Science Bulletin1998，43，2： | 26 |
| 5 | Biological couplings: Function, characteristics and implementation mode显示文摘Through rigorous natural selection, biological organisms have evolved exceptional functions highly adaptable to their living environments. Biological organisms can achieve a variety of biological functions efficiently by using the synergic actions of two or more different parts of the body, or the coupling effects of multiple factors, and demonstrate optimal adaptations to the living environment. In this paper, the function, characteristics and types of biological couplings are analyzed, the implementation mechanism and mode of biological coupling functions are revealed from the bionic viewpoint. Finally, the technological prospects of the bionic implementation of biological coupling function are predicted. | REN LuQuan & LIANG YunHong Key Laboratory of Bionic Engineering of Ministry of Education, School of Biological and Agricultural Engineering, Jilin University, Changchun 130025, China | 2010 | Science China(Technological Sciences)2010，53，2： | 23 |
| 6 | Researches and developments of biomimetics in tribology显示文摘动物和植物开发了有通过 10 亿年和变得的模型 fortribological 的进化的优秀 tribologicalcharacteristics 的质地设计的最佳的几何结构,聪明的拓扑的材料和多功能的表面。这篇论文提出简历的定义和臀部模仿的摩擦学,调查地位液体固体接口自我清洗,在动物之间的粘附“脚和固体出现,穿模仿的设计和液体固体上的仿生的设计连接的生物表面和简历的特征。tribologicalbiomimetics 的进一步的开发被讨论。 | DAI Zhendong TONG Jin REN Luquan | 2006 | Chinese Science Bulletin2006，51，22： | 19 |
| 7 | Superhydrophobicity of Bionic Alumina Surfaces Fabricated by Hard Anodizing显示文摘 | Jing Li Feng Du Xianli Liu Zhonghao Jiang Luquan Ren | 2011 | Journal of Bionic Engineering2011，8，4： | 19 |
| 8 | Excellent Structure-Based Multifunction of Morpho Butterfly Wings: A Review显示文摘 | Shichao Niu Bo Li Zhengzhi Mu Meng Yang Junqiu Zhang Zhiwu Han Luquan Ren | 2015 | Journal of Bionic Engineering2015，12，2： | 19 |
| 9 | Particle Erosion Resistance of Bionic Samples Inspired from Skin Structure of Desert Lizard, Laudakin stoliczkana显示文摘 | He Huang Yan Zhang Luquan Ren | 2012 | Journal of Bionic Engineering2012，9，4： | 18 |
| 10 | Experimental investigation on color variation mechanisms of structural light in Papilio maackii ménétriès butterfly wings显示文摘The body color in animals results from billions of years of their natural evolution in order to evade natural enemies, catch quarries or display themselves beauty, in-vestigation on mechanisms of structural light is an important aspect of bionics. Based on the phenomenon of Papilio maackii ménétriès’ blue scales changing into green ones immediately after dropping some alcohol aqua on the underwing sur-face and soon returning back to the original color, the relationship between micro-structure, optics characteristic of scales and changing color effect were studied using the Olympus Stereomicroscope, Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM) and Ultraviolet (UV)-Visible Spectropho-tometer. The color variation mechanisms of blue scales of Papilio maackii mé-nétriès in Chinese Northeast were revealed in this paper. When visible lights trav-eled through the concaver structure with multilayer reflector and the filled medium with different refractive indices, the reflected lights in definite wavelengths pro-duced interference and color at that wavelength came into being. It has important academic reference value to biomimetics design of video stealth materials. | REN LuQuan QIU ZhaoMei HAN ZhiWu GUAN HuiYing WU LiYan | 2007 | Science China(Technological Sciences)2007，50，4： | 13 |
| 11 | Restudies on Body Surface of Dung Beetle and Application of Its Bionics Flexible Technique显示文摘A scanning electron microscope was used to observe the structures of the setae on the surface of a dung beetle Copris ochus, Motschulsky. There are lots of setae on the body surface, especially on the ventral part surface and lateral to the legs which are different in size, arrangement and shape. These setae have different lengths and many thorns on the whole seta. The top ends of these setae stand up without furcations which direct uprightly towards the surface of the touched soil. By the method of removing these setae, getting the insect weight before and after digging into the dung we affirm farther that the setae on the beetle body surface form the anti-stick and non-adherent gentle interface. The soil machines and components made by imitating the gentle body surface of beetles have favorable non-adherent results. | Jiurong Sun 1, Jianqiao Li 2, Hong Cheng 1, Zhendong Dai 3, Luquan Ren 2 1.College of Life Sciences, Peking University, Beijing, 100871,P.R. China 2.Key Laboratory of Terrain-Machine Bionics Engineering (Ministry of Education,China), Jilin University at Nanling Campus, Changchun, 130022,P.R.China 3.College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016,P.R.China | 2004 | Journal of Bionic Engineering2004，1，1： | 12 |
| 12 | The Sound Suppression Characteristics of Wing Feather of Owl (Bubo bubo)显示文摘 | Kun Chen Qingping Liu Genghua Liao Ying Yang Luquan Ren Hongxiu Yang Xin Chen | 2012 | Journal of Bionic Engineering2012，9，2： | 12 |
| 13 | High-Lift Effect of Bionic Slat Based on Owl Wing显示文摘 | Changjiang Ge Luquan Ren Ping Liang Chengchun Zhang Zhihui Zhang | 2013 | Journal of Bionic Engineering2013，10，4： | 11 |
| 14 | Fabrication of Bioinspired Structured Superhydrophobic and Superoleophilic Copper Mesh for Efficient Oil-water Separation显示文摘 | Yan Song Yan Liu Bin Zhan Cigdem Kaya Thomas Stegmaier Zhiwu Han Luquan Ren | 2017 | Journal of Bionic Engineering2017，14，3： | 11 |
| 15 | Erosion-Resistant Surfaces Inspired by Tamarisk显示文摘 | Zhiwu Han Wei Yin Junqiu Zhang Jialian Jiang Shichao Niu Luquan Ren | 2013 | Journal of Bionic Engineering2013，10，4： | 11 |
| 16 | Biological coupling anti-wear properties of three typical molluscan shells—Scapharca subcrenata, Rapana venosa and Acanthochiton rubrolineatus显示文摘Molluscan shells are fascinating examples of highly ordered hierarchical structure and complex organic-inorganic biocomposite material. However, their anti-wear properties were rarely studied especially in the perspective of biological coupling. So in the current study three typical shells, Scapharca subcrenata, Rapana venosa and Acanthochiton rubrolineatus, were selected as coupling models to further study their anti-wear properties. Stereomicroscope and scanning electron microscopic observations showed that all these three shells had specific surface morphologies and complicated section microstructures. Importantly, a special structure, pore canal tubules, was discovered in the shells of Scapharca subcrenata and Acanthochiton rubrolineatus, which probably contributed most to their anti-wear properties. X-ray diffraction and micro-Vikers hardness tester were further adopted to analyze the phase compositions and micro-hardness of the shells. The measured results demonstrated that aragonite was the most extensive phase present in the shell, and possesed a relatively high micro-hardness. In this paper, the shells were described in details in morphology, structure and material with emphasis on the relationship with anti-wear property. The study revealed that the selected seashells possess distinct anti-wear properties by complicated mechanisms involving the integrated functions of multiple biological coupling elements, and this would provide inspiration to the design of new bionic wear resistance components. | XiMei Tian ZhiWu Han XiuJuan Li ZhaoGuo Pu LuQuan Ren | 2010 | Science China(Technological Sciences)2010，53，11： | 10 |
| 17 | Biomimetic coupling effect of non-smooth mechanical property and microstructural features on thermal fatigue behavior of medium carbon steel显示文摘Some kinds of particular functions possessed by natural organisms are often formed by coupling up the multiple typical features on their body surfaces. Inspired by the coupling phenomenon in biological system, the medium carbon steel specimens with the coupling effect of non-smooth mechanical property and microstructural features were fabricated by laser processing. Thermal fatigue behavior of specimens with biomimetic coupling surface was investigated and compared. The results confirmed that such a biomimetic method has the beneficial effect on improving the thermal fatigue property of medium carbon steel specimens. The related mechanisms behind the biomimetic coupling effect for explaining the enhanced thermal fatigue resistance were discussed preliminarily. | ZHANG ZhiHui REN LuQuan ZHOU Hong TONG Xin | 2009 | Chinese Science Bulletin2009，54，4： | 10 |
| 18 | Functional characteristics of dragonfly wings and its bionic investigation progress显示文摘Dragonfly is one of the most excellent nature flyers,and its wings exhibit excellent functional characteristics through the coupling and synergy of morphology,configuration,structure and material.The functional characteristics presented by dragonfly wings provide an biological inspiration for the investigation and development of aerospace vehicles and bionics flapping aerocraft flapping-wing micro air vehicles.In resent years,some progresses have been achieved in the researches on the wings' geometric structure,material characteristics,flying mechanism and the controlling mode.In this paper,the functional characteristics of the dragonfly wings including flying,self-cleaning,anti-fatigue,vibration elimination and noise reduction are introduced and the effects of their morphology,configuration,structure and material on the functional characteristics are described.Moreover,the current state of the bionic study on the functional characteristics of dragonfly wings is analyzed and its application prospect is depicted. | REN LuQuan LI XiuJuan | 2013 | Science China(Technological Sciences)2013，56，4： | 10 |
| 19 | Kinematics of Terrestrial Locomotion in Mole Cricket Gryllotalpa orientalis显示文摘 | Yan Zhang He Huang Xiangyang Liu Luquan Ren | 2011 | Journal of Bionic Engineering2011，8，2： | 10 |
| 20 | Preliminary studies on the basic factors of bionics显示文摘The bionic consciousness,idea,and practice opened a unique path for the progress of mankind,the development of the society,and the innovation of science and technology from the subconscious bionic activities of the ancient humans to the significant bionic designs in modern engineering.Nowadays,driven by the practical demand of human beings,bionics becomes an important factor for the sustainable development of technology.A lot of new and outstanding innovations have been produced through the effective interactions between bionics,technology,and demand.The stronger the interactions,the greater the innovation success would be.In this article,the basic factors such as the connotation,characteristics,and interactions of bionic demands,bionic models,bionic simulations,and bionic products were explained,which are the indispensable basic knowledge for improving the ability of innovation especially for the original one,realizing the design and innovation of new technology and manufacturing for better bionic products. | REN LuQuan LIANG YunHong | 2014 | Science China(Technological Sciences)2014，57，3： | 10 |
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