Results 201 to 210 of about 3,458,134 (243)

Mapping DNA glycosylase binding across lesion sequence contexts reveals extended sequence and structural recognition logic. [PDF]

open access: yesNat Commun
Levy N   +7 more
europepmc   +1 more source

Enhancing soft robots with chemical shielding for harsh corrosive liquid environments.

open access: yesMater Horiz
Qing H   +7 more
europepmc   +1 more source

Soft Microbot Traction on Structured Surfaces. [PDF]

open access: yesLangmuir
Zou F, Gao Y, Wu N, Marr DWM.
europepmc   +1 more source
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The kinematics of ball-screw mechanisms via the slide–roll ratio

Mechanism and Machine Theory, 2014
Abstract The motion state of balls in the ball screw mechanism is hard to observed or measured because of the complexity of the mechanism consisting of three main components: screw, nut and balls. In this paper, a kinematic model for the basic single arc ball screw mechanism driven by the rotation of the screw is established using the homogenous ...
Tao Zan
exaly   +2 more sources

A Study on Hourglass Worm Gearing with Constant Slide-Roll Ratio

open access: yesJournal of Mechanical Design, 1979
A new type of hourglass worm gearing is developed by the authors’ own theories [1], [2]. This hourlgass worm gearing has the good points of Hindley’s one and also covers the weak points of it. The worm is cut by a tool with straight-lined cutting edge which is fixed to the basic member [1].
T. Sakai, M. Maki, H. Tamura
openaire   +2 more sources

Effect of the slide-roll ratio on point contact EHL under oil droplet supply

Tribology International, 2019
Abstract Under oil droplet supply a simplified elastohydrodynamic lubrication (EHL) model incorporating slide-roll ratios has been established, and the lubrication behavior of one oil droplet passing through the contact zone was numerically simulated.
Xiaoling Liu, Feng Guo, Xinming Li
exaly   +2 more sources

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