Flat surfaces
Analysis of Vibration Generated by the Rubbing of Flat Surfaces
... Among the phenomena that occur as a result of contact between two surfaces is friction sound, in which surface roughness is of great importance. In this study, the parameter of contact stiffness is used to explain ...
6
Weighted Minimal and Weighted Flat Surfaces of Revolution in Galilean 3-Space with Density
... about surfaces of revolution, but one of the most important characterization is minimal and flat surfaces of ...of surfaces of revolution, we refer to [1], [3], [5], [6], [7], [8], [11], [12], ...
13
THE STANDARD MILLING TIME OF FLAT SURFACES WITHOUT OUTLINE RESTRICTIONS
... Knowing the standard operating times of technological operations is essential element in the business operations of every production enterprise. It is the basis for establish- ing the production capacity, planning the ...
6
Frictional Electrification on Polymeric Flat Surfaces
... In textiles, most of the materials are polymers, and their frictional electrification has been investigated by rubbing fiber against fiber [8], fiber against cylinder [9], yarn against cylinder [10, 11, 12], film against ...
11
Relative humidity and wetting affect friction between apple and flat surfaces
... corrugated surfaces should be useful because it most closely simulates the actual conditions at the frictional interface in grain bin when grain slides down the wall (Molenda et ...
5
Fine structure on flat surfaces of quasicrystalline Al Pd Mn
... There are both similarities and differences between our paper and the previous work of Schaub et al., 9,10 who re- ported terrace fine structure of sputter-annealed fivefold Al- Pd-Mn. For instance, their sample was ...
9
The structure of a working catalyst : from flat surfaces to nanoparticles
... In our high-pressure TEM observations we have witnessed two effects of the pres- ence of NO in the gas mixture on ensembles of Pt nanoparticles. NO leads to a rapid ripening of the ensemble, with smaller particles ...
141
Heat Transfer during Spray Cooling of Flat Surfaces with Water at Large Reynolds Numbers
... The major function for the secondary cooling is to speed-up the strand solidification to produce steel with re- quired microstructures but without generating undesirable defects [7]-[13]. Inappropriate cooling could ...
11
In situ studies of NO reduction by H-2 over Pt using surface X-ray diffraction and transmission electron microscopy
... on flat surfaces is actually relevant for real catalysis, we studied the same chemical reaction on platinum ...the flat, low-index facets broke up into vicinal ...vicinal surfaces when exposed ...
11
Pounding response of buildings under earthquake motions
... In addition to the investigation of contact between two flat surfaces, contact between bars made with spherical surface geometries was also modelled. Force-displacement curve obtained from the numerical ...
6
Improving the acoustic efficiency of laminated dissipative noise silencers for boiler gas-air paths
... with flat surfaces of the side walls, and demonstrate an increase in acoustic efficiency and a decrease in pressure loss when using the proposed new silencing elements in noise ...
5
Updating the road map to metal-halide perovskites for photovoltaics.
... One potential downside of the one step approach is that it results in poor surface coverage on flat surfaces due to dewetting effects, leading to unsatisfactory performance i[r] ...
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APPLICATION OF AN OPTICAL SENSOR FOR MICRON LEVEL SURFACE PROFILE MEASUREMENTS OF FLAT AND CYLINDRICAL SURFACES
... 3.1.1. Tabular surface: The set up of a tabular mounting surface is shown in Fig.3. It is used for samples of short length and linear measurements only . Flat surfaces and Cylindrical Rods can be placed on ...
7
The in vitro and in vivo validation of a mobile non-contact camera-based digital imaging system for tooth colour measurement
... contact methods such as those involving spectrophotometers and colorimeters are designed ideally for use on flat surfaces and the curved translucent surface of a tooth lead to distortion[r] ...
17
Tailor Made Electrospun Culture Scaffolds Control Human Neural Progenitor Cell Behavior—Studies on Cellular Migration and Phenotypic Differentiation
... the flat surfaces, may be explained by the larger po- tential contact area provided by the flat substrate area compared to the substrates made from random and aligned fibers, ...the surfaces ...
21
Microswimmers and Microfluidics: Understanding and Manipulating the Locomotion of Undulatory Microswimmers
... as flat solid surface, external channel flow, and other swimmers on the swimming dynamics of undulatory ...the surfaces; 3) undulatory microswimmers exhibit positive rheotaxis (upstream swimming behavior) ...
174
MODELLING AND CHATTER CONTROL IN MILLING
... Milling machines are used to machine flat surfaces but produce irregular surfaces. This is due to the presence of vibrations of milling tool and chatter on surface. The chatter, which accompanies the ...
10
Aplanatic and Telescopic Lens with a Radial Gradient of Refraction Index
... 2nd flat surfaces, which are normal to the optical axis [3], the telescopic properties were indicated, hence, exclusively for the exit ray parallel to the entrance ...
9
Beyond linearity : contemporary drawing and the naturalistic representation of experience
... Euclidean geometry, that is to say geometry that works for straight lines, flat surfaces and Cartesian space, is only one possible formulation of space, and one which treats time as a se[r] ...
141
Mechanical Regulation of Angiogenesis in a Biomimetic Model
... on flat surfaces, less is understood about its regulation of collective cell migration, including during angiogenesis whereby endothelial cells from existing vessels invade as multicellular sprouts to form ...
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