fused deposition modeling (fdm) is a filament based rapid prototyping system provides us to manufacture real parts with multiple production-grade materials, such as abs-m30, pc, ppsf and pc-abs blend. fused deposition modeling technology, essentially perform using layer manufacturing process. more complex 3d physical models can be efficiently fabricated without geometric limitation by this tech...

OBJECTIVE This research examines whether Beijing residents are more or less likely than Montréal residents to avoid stair climbing, by replicating a study in Montréal, Canada that measured the impacts of distance between stairs and escalator, height between floors and pedestrian volume on stair climbing rate. METHOD 15 stairways, 14 up-escalators and 13 down-escalators were selected in 13 pub...

Since the discovery of pregnancy reversal by Dale) and Cushny,2) it is widely believed that progesterone plays a cardinal role for the maintenance of pregnancy in mammals by keeping the estrogen-dominated uterus quiescent and hyposensi tive to any given stimulation till term. If so, what is the mode of action of pro gesterone on the uterine muscle? Taking advantage of findings and methods used ...

Stair-cases are useful environmental landmarks for navigation in mobility aids for the partially sighted. In this paper, a texture detection method using Gabor Filters is proposed to detect distant stair-cases. When close enough, stair-cases are then detected by looking for groups of concurrent lines, where convex and concave edges are partitioned using intensity variation information. Stair-ca...

In this paper, a dynamic humanoid with a stair case model is designed to achieve a dynamically stable stair climbing gait pattern, and sequences of stair climbing locomotion analysis (weight acceptance, pull up, forward continuance, foot clearance and foot placement) are presented. A suitable trajectory control strategy is developed for the lower limb’s joints (hips, knees, ankles) during stair...

OBJECTIVE Stair-riser banners are twice as effective as posters in encouraging stair climbing in shopping centres. This study tested the effectiveness of stair-riser banners in an English train station in 2006-2007. METHOD The train station had a 39-step staircase and an adjacent escalator. Baseline observations (3.5 weeks) were followed by 10.5 weeks of a banner intervention supplemented wit...

Current Fused Deposition Modeling (FDM) technologies deposit material as flat layers. The result is a “stair-case” effect on non-vertical or horizontal surfaces, and compromised part strength because of weakness between the laminations. This paper describes a FDM method through which layers of build material are deposited as curved layers following the shape of the part, thus removing the stair...

Regional plantar pressures during stair walking may be injurious in at risk populations. However, limited data are available examining the reliability of plantar pressure data collected during stair walking. The aims of this study were three fold; to assess the reliability of the plantar pressure data recorded during stair walking, to assess the effects of level ground and stair walking on plan...

ahmad foad najm is one of the prominent stair popets in egypt’s resistance literature class of najms stair is political and social stair and he uses it as a scittle to express his political and social stews. he employs two basic patterns in his stair structures.the clear stair in which the poet criticizes the political and social groups of arabs world and the other one is the reverse stair in w...