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Advances in Natural Science (25)
Facultad de Ciencias - UNAM (2)

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Aproximadamente 27 registro(s) hasta el momento: (journal)

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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