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Advances in Natural Science (25)
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Aproximadamente 27 registro(s) hasta el momento: (journal)

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Recurso libre

Fabrication and Dielectric Properties of Soft-core Helical Particles Using Spirulina Platensis as Templates
CAI, Jun - ZHANG, De-yuan

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	Aiming at the lightweight filler particles with good dielectric properties in the composites, helical Spirulina platensis were chosen as templates to produce microscopic helical soft-core filler particles by an electroless deposition technique. The morphology and appearance of the coated Spirulina…
Fecha:	2010-08-18
Recurso:	Advances in Natural Science

Recurso libre

Optimize by Experimental Optimization Techniques on the Structure of Corrugated Bionic Needle
LI, Yan - QI, Xin - CONG, Qian

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	From the view of bionic, optimizing and engineering the corrugated bionic needle with polynomial regression. The results showed that; the width of the ripple with quadratic effect plays a major role in reducing resistance; the impact of non-smooth structure’s spacing…
Fecha:	2010-09-19
Recurso:	Advances in Natural Science

Recurso libre

Propulsion experimental Research on the Structure of Swordfish’s Lunate Caudal Fin
LIU, Qing-ping - REN, Lu-quan - CHEN, Kun - LIAO, Geng-hua - YANG, Ying - LI, Jian-qiao - HAN, Zhi-wu

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	Swordfish is the fastest fish in the world, which can reach a high speed of 110km/h. Depending on the swing of the caudal fin, swordfish gets the power of swimming. The caudal fin of the swordfish shows crescent and wide…
Fecha:	2010-09-02
Recurso:	Advances in Natural Science

Recurso libre

Light Harvesting Mechanism of Photosystem II in Photosynthesis:
ZHANG, Tong - WU, Wen-jian - HU, Bi-ru - MAN, Ya-hui - LIU, Zhi-ming

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	As one of the most important chemical reactions on the earth, the photosynthetic reaction has gained much attention. For example, foliage and algae possess superior abilities to harvest luminous energy from sunlight in photosynthetic reactions by capturing lights with the…
Fecha:	2010-08-18
Recurso:	Advances in Natural Science

Recurso libre

Study on Drag Reduction Characteristic Around Bodies of Revolution with Bionic Non-smooth Surface
TIAN, L. M. - REN, L.Q. - JIANG, X. - ZHAO, J.N. - ZHANG, S.C. - YU, S.W.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	Bionic non-smooth structures on the bodies of revolution had characteristic of drag reduction. In this paper, oil flow visualization test were made in low speed wind tunnel between two bionic non-smooth surface models and smooth surface model. The results show…
Fecha:	2010-09-03
Recurso:	Advances in Natural Science

Recurso libre

Study on the Application of Biological Tactile in Fast Meat Freshness Detection
TONG, Yue-ying - CHEN, Dong-hui - SHI, Zhi-biao - LEI, Li - TONG, Jin

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	The author aimed to explore the application of biological tactile in fast non-destructive meat freshness detection. Used WDW-20 electronic universal testing machine, surveyed chicken, pork and beef the pressure characteristic curves, analysed respectively the relationship between the pressure characteristic curve…
Fecha:	2010-08-18
Recurso:	Advances in Natural Science

Recurso libre

Analysis of the Aerodynamic Character of Bionic Wingspan on the Basis of Frigate Wing Structure
MA, Yi - LIU, Yu-rong - JIN, Jing-fu - CONG, Qian

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	This paper extracts the frigate bird’s leading edge contour by CATIA on the basis of the obverse and side pictures when frigate bird glides. Then three bionic wingspans of bending update, forward and integrating the two are built combining NACA…
Fecha:	2010-09-19
Recurso:	Advances in Natural Science

Recurso libre

Preparation and Properties of Fe3O4 Biomimetic Micro-nano Structure Coatings
TIAN, Xiao-zhou - WANG, Jian-fang - QIAN, Si-wen - WU, Wen-jian - GANG, Xu

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	Nanoparticles filling is one of the most effective methods to build the micro-nano structure. In this paper, the composite coatings containing Fe3O4 nanoparticles were prepared from fluorinated silicon polymer by in-situ polymerization. FT-IR was used to characterize the structure of…
Fecha:	2010-09-19
Recurso:	Advances in Natural Science

Recurso libre

Mechanical Character of Typica1 Plant Leaf Surfaces
WANG, Shu-jie - REN, Lu-quan - LIU, Yan - YANG, Yue

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	The hardness of typical plant leaves surfaces was investigated and analyzed by nano-hardness tester. Results show that the mechanical character of varied texture and varied surface morphologies shows regularity. The hardness of coriaceous fresh leaves (Bambusa phyllostachys pubescens etc.) and…
Fecha:	2010-09-03
Recurso:	Advances in Natural Science

Recurso libre

10.

Biomechanics Characteristics of New Type Artificial Hip Joint
JIANG, Hai-bo - LIU, Hong-tao - HAN, Shu-yang - LIU, Fen

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	The structure, geometrical shape and material are the three main parts of the prostheses. This research focuses on the geometrical shape analysis. The geometrical shape of human natural femoral head is similar to the ellipse, but, the artificial femoral head…
Fecha:	2010-09-18
Recurso:	Advances in Natural Science

Recurso libre

11.

The Study of Owl's Silent Flight and Noise Reduction on Fan Vane with Bionic Structure
LIANG, Gui-qiang - WANG, Jing-chun - CHEN, Yu - ZHOU, Chang-hai - LIANG, Jie - REN, Lu-quan

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	In light of the bionics engineering point of view, we use the biological non-smooth surface in the surface design of the fan blade in order to reduce the fan noise and improve air flow and efficiency .We design several kinds…
Fecha:	2010-09-02
Recurso:	Advances in Natural Science

Recurso libre

12.

Fabrication and Dielectric Properties of Soft-core Helical Particles Using Spirulina Platensis as Templates
CAI, Jun - ZHANG, De-yuan

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	Aiming at the lightweight filler particles with good dielectric properties in the composites, helical Spirulina platensis were chosen as templates to produce microscopic helical soft-core filler particles by an electroless deposition technique. The morphology and appearance of the coated Spirulina…
Fecha:	2010-08-18
Recurso:	Advances in Natural Science

Recurso libre

13.

Optimize by Experimental Optimization Techniques on the Structure of Corrugated Bionic Needle
LI, Yan - QI, Xin - CONG, Qian

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	From the view of bionic, optimizing and engineering the corrugated bionic needle with polynomial regression. The results showed that; the width of the ripple with quadratic effect plays a major role in reducing resistance; the impact of non-smooth structure’s spacing…
Fecha:	2010-09-19
Recurso:	Advances in Natural Science

Recurso libre

14.

Propulsion experimental Research on the Structure of Swordfish’s Lunate Caudal Fin
LIU, Qing-ping - REN, Lu-quan - CHEN, Kun - LIAO, Geng-hua - YANG, Ying - LI, Jian-qiao - HAN, Zhi-wu

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	Swordfish is the fastest fish in the world, which can reach a high speed of 110km/h. Depending on the swing of the caudal fin, swordfish gets the power of swimming. The caudal fin of the swordfish shows crescent and wide…
Fecha:	2010-09-02
Recurso:	Advances in Natural Science

Recurso libre

15.

Light Harvesting Mechanism of Photosystem II in Photosynthesis:
ZHANG, Tong - WU, Wen-jian - HU, Bi-ru - MAN, Ya-hui - LIU, Zhi-ming

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	As one of the most important chemical reactions on the earth, the photosynthetic reaction has gained much attention. For example, foliage and algae possess superior abilities to harvest luminous energy from sunlight in photosynthetic reactions by capturing lights with the…
Fecha:	2010-08-18
Recurso:	Advances in Natural Science

Recurso libre

16.

Chemical evolution and the primitive soup: did Oparin get it all right?
Lazcano Araujo Reyes, Antonio Eusebio

Formato:	Artículo de investigación
Enlaces:	Descripción completa.
Fecha:	20130312T14:38:29Z, 20130312T14:38:29Z, 1997
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

17.

Micro-tensile Testing of the Lightweight Laminated Structures of Beetle Elytra Cuticle
SUN, Ji-yu - TONG, Jin - CHEN, Dong-hui - LIN, Jian-bin - LIU, Xian-ping - WANG, Yue-ming

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	Quantitative measurements of the mechanical properties of insect cuticle are a useful tool in the development of bio-mimetic materials suitable for industrial products. In this study, a micro-tensile tester was used to investigate the mechanical properties of elytra cuticle of…
Fecha:	2010-09-03
Recurso:	Advances in Natural Science

Recurso libre

18.

Coupling Characteristics of Anterior Cruciate Ligament and Gait Analysis on Anterior Instability of Knee
TAO, Zeng-yu - REN, Lu-quan - TIAN, Li-mei - ZHOU, Dan-yang - ZHOU, Jing-bin

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	Knee is the largest and most complicated joint in the human body. Since in humans the knee supports nearly the whole weight of the body, it is the joint most vulnerable to acute injury. Normal knee joint movements are accomplished…
Fecha:	2010-09-18
Recurso:	Advances in Natural Science

Recurso libre

19.

Evaluating Biological Systems for Their Potential in Engineering Design
Jeannette, Yen - Helms, Michael - Vattam, Swaroop - Goel, Ashok K.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	A team of biologists, engineers, and cognitive scientists has been working together for the past five years, teaching an upper level undergraduate course in biologically inspired design where half the class of forty students are biologists and other physical scientists…
Fecha:	2010-09-02
Recurso:	Advances in Natural Science

Recurso libre

20.

Network Study of Plant Leaf Topological Pattern and Mechanical Property and its Application
Wang-yu, LIU - ZHANG, Yong

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	In order to explore the compliance structure and adaptability of the vein pattern of plant leaf, five fresh and mature leaf samples, which represent the typical leaf network in nature, are collected, and the finite element model of the samples…
Fecha:	2010-09-02
Recurso:	Advances in Natural Science

Recurso libre

21.

The Research of Biology Coupling Characteristics on the Shells of Haliotis discus hannai Ino
LI, Xiu-juan - Yun-hong, LIANG - TIAN, Xi-mei - REN, Lu-quan - LU, Guang-lin

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	The surface morphologies, structures and materials of Haliotis discus hannai Ino shells were qualitatively studied by means of a stereoscopic microscope，a field emission scanning electronic microscopy, energy dispersive spectrometer and X-ray diffractometer, and abrasive particle wear was qualitatively and quantitatively…
Fecha:	2010-09-02
Recurso:	Advances in Natural Science

Recurso libre

22.

Enhancing Innovation Through Biologically Inspired Design
Weissburg, Marc - Craig Tovey, Craig Tovey - Yen, Jeannette

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	Mixing upper level undergraduates majoring in engineering with those majoring in biology, we have devised a course on biologically-inspired design (BID) that provides practical training in methods and techniques that facilitate the identification and translation of biological principles into solutions…
Fecha:	2010-08-18
Recurso:	Advances in Natural Science

Recurso libre

23.

To Explore The Collective Animal Erratic Panic and Biomimetics
CHEN, C. S. - CHU, Si-lei - KAO Fang-yu, KAO Fang-yu - Hsu, Yu-lin - Chen, Katherine - PAO, Sheng-ying

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	In biomimetics, we learn and get inspiration from animals to improve our quality of life. It is important to have better understanding on what, why, and how animal did so we can apply the biomimetics more effectively. Anomalous behaviors including…
Fecha:	2010-09-02
Recurso:	Advances in Natural Science

Recurso libre

24.

Evaluation of Cardiovascular Stress Reaction Using HPCD Method on a Beat-by-beat Basis
Ogawa, Mitsuhiro - Nogawa, Masamichi - Yamakoshi, Takehiro - Tanaka, Shinobu - Yamakoshi, Ken-Ichi

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	In order to establish a bionic model/system in cardiovascular fields, comprehension of hemodynamics is important. In this study, a novel beat-by-beat hemodynamic system evaluation method named “beat-by-beat HPCD method” is proposed and evaluated.　Gregg’s theoretically driven model of hemodynamics which was…
Fecha:	2010-08-18
Recurso:	Advances in Natural Science

Recurso libre

25.

Micro-tensile Testing of the Lightweight Laminated Structures of Beetle Elytra Cuticle
SUN, Ji-yu - TONG, Jin - CHEN, Dong-hui - LIN, Jian-bin - LIU, Xian-ping - WANG, Yue-ming

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	Quantitative measurements of the mechanical properties of insect cuticle are a useful tool in the development of bio-mimetic materials suitable for industrial products. In this study, a micro-tensile tester was used to investigate the mechanical properties of elytra cuticle of…
Fecha:	2010-09-03
Recurso:	Advances in Natural Science

Recurso libre

26.

Coupling Characteristics of Anterior Cruciate Ligament and Gait Analysis on Anterior Instability of Knee
TAO, Zeng-yu - REN, Lu-quan - TIAN, Li-mei - ZHOU, Dan-yang - ZHOU, Jing-bin

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	Knee is the largest and most complicated joint in the human body. Since in humans the knee supports nearly the whole weight of the body, it is the joint most vulnerable to acute injury. Normal knee joint movements are accomplished…
Fecha:	2010-09-18
Recurso:	Advances in Natural Science

Recurso libre

27.

The roads to and from the RNA world
Dworkin, JP - Lazcano Araujo Reyes, Antonio Eusebio - Miller, SL

Formato:	Artículo de investigación
Enlaces:	The historical existence of the RNA world, in which early life used RNA for both genetic information and catalytic ability, is widely accepted. However, there has been little discussion of whether protein synthesis arose before DNA or what preceded the…
Fecha:	20130312T14:38:30Z, 20130312T14:38:30Z, 2003
Recurso:	Facultad de Ciencias - UNAM