نتایج جستجو برای: stem bending

تعداد نتایج: 305269  

2007
C. Navío M. J. Capitán J. Álvarez F. Yndurain R. Miranda Nicolás Cabrera

C. Navío,1,* M. J. Capitán,2 J. Álvarez,1 F. Yndurain,1 and R. Miranda1 1Departamento de Física de la Materia Condensada e Instituto de Ciencia de Materiales Nicolás Cabrera, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain 2Instituto de Estructura de la Materia-CSIC, c/Serrano 119, 28006 Madrid, Spain Received 8 March 2007; revised manuscript received 31 May 2007; published 6 A...

Journal: :Journal of molecular biology 1995
L X Shen I Tinoco

The structure of a 34-nucleotide RNA pseudoknot that causes efficient -1 frameshifting in the messenger RNA of mouse mammary tumor virus has been investigated by NMR. Spectral assignment of the pseudoknot was facilitated by comparative NMR studies on the pseudoknot and on two smaller hairpin RNAs, and by using selective 13C labeling and 13C-edited NMR techniques. The three-dimensional structure...

2001
Ryoichi Nakamura Takeshi Oura Etsuko Kobayashi Ichiro Sakuma Takeyoshi Dohi Naoki Yahagi Takayuki Tsuji Mitsuo Shimada Makoto Hashizume

The Multi-DOF forceps manipulator we developed has two additional DOF of bending on the tip of forceps, and provides new surgical fields and techniques for surgeons. The most remarkable characteristics of the prototype described in this paper are: 1) the small diameter and the small radius of curvature of bending; 2) the confirmation of perfect cleanness and sterilization of this manipulator. I...

Journal: :Journal of cotton research 2021

Abstract Background Stem hardness is one of the major influencing factors for plant architecture in upland cotton ( Gossypium hirsutum L.). Evaluating phenotypic traits very important selection elite lines resistance to lodging L. Cotton breeders are interested using diverse genotypes enhance fiber quality and high-yield. Few pieces research its relationship with yield were found. This study wa...

Journal: :Biomedical papers of the Medical Faculty of the University Palacky, Olomouc, Czechoslovakia 2008
Tomas Goldmann Stefan Ihde Jiri Kuzelka Lucie Himmlova

AIM Bendable and angulated single-piece implants are used alternatively to screwable abutments in two-piece dental implant designs. Though used frequently, data on the stress distribution within such implants are not available and the question whether the bending contributes to fracture resistance has not been addressed. METHODS We used the method of finite element to identify von Mises stres...

2011
Hiroyuki Oonishi Haruhiko Akiyama Mitsuru Takemoto Toshiyuki Kawai Koji Yamamoto Takao Yamamuro Hironobu Oonishi Takashi Nakamura

BACKGROUND AND PURPOSE The long-term success of cemented total hip arthroplasty (THA) has been well established. Improved outcomes, both radiographically and clinically, have resulted mainly from advances in stem design and improvements in operating techniques. However, there is concern about the durability of bone cement in vivo. We evaluated the physical and chemical properties of CMW1 bone c...

Journal: :Annals of botany 2009
Léa Ménard Doyle McKey Nick Rowe

BACKGROUND AND AIMS Most tropical lianas have specialized organs of attachment such as twining stems, hooks or tendrils but some do not. Many climbers also have an early self-supporting phase of growth and in some species this can produce treelet-sized individuals. This study focuses on how a liana can climb without specialized attachment organs and how biomechanical properties of the stem are ...

Journal: :The Journal of the Acoustical Society of America 2001
R N Miles R B Cocroft C Gibbons D Batt

Substrate vibrations are important in social and ecological interactions for many insects and other arthropods. Localization cues include time and amplitude differences among an array of vibration detectors. However, for small species these cues are greatly reduced, and localization mechanisms remain unclear. Here we describe a method of simulating the vibrational environment that facilitates i...

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