Results 151 to 160 of about 3,531 (255)
Jixie chuandong, 2011 Parametric design is to use parameters to describe sizes of parts.When the part is designed,the shape of parts is changed by modifying characteristic parameters to achieve the sizes to drive the graphics.Cylindrical involute helical gear is a part of ...
王书贤, 汪云, 邓利军, 张王进
doaj
Goby gummies: A customizable and edible assay to quantify predation in aquatic ecosystems
Methods in Ecology and Evolution, Volume 17, Issue 7, Page 2092-2103, July 2026.Abstract Predation is a critical ecosystem process that shapes the structure and functioning of biological communities. However, due to its intermittent nature, fast pace and general unpredictability, predation is difficult to observe and quantify. Therefore, we commonly rely on indirect metrics or proxies of predation, which reflect the outcome of ...
Christopher R. Hemingson +2 more
wiley +1 more source
Although the wavelet analysis is a powerful tool and has been widely used for the vibration signal based gearbox fault diagnosis, there are some limitations that undermine its application.
Gu, Fengshou +4 more
core
Double Helical Gear Performance Results in High Speed Gear Trains
, 2009 The operation of high speed gearing systems in the transmissions of tiltrotor aircraft has an effect on overall propulsion system efficiency. Recent work has focused on many aspects of high-speed helical gear trains as would be used in tiltrotor aircraft
Sinusas, Eric +3 more
core
Ecology of Freshwater Fish, Volume 35, Issue 3, July 2026.ABSTRACT The mechanisms facilitating coexistence of cryptic species in sympatry have long puzzled ecologists. Cryptic species have nearly identical morphology and, therefore, would be presumed to have high niche overlap and potential for interspecific competition and competitive exclusion when resources are limited. Lowland rivers in South America have
Benton L. Fry, Kirk O. Winemiller
wiley +1 more source
Jixie chuandong, 2009 In order to get the gear parameter model under the CAE software circumstances,it has formed the transverse profile of a helical gear at first.Then the parameterized model of the helical gear pair is generated directly by swept along helix with APDL in ...
袁安富, 郑祺
doaj
STRENGTH SIMULATION OF PLASTIC HELICAL GEARS IN NEW CAR DOOR LOCK BASED ON FINITE ELEMENT ANALYSIS
Jixie qiangdu, 2017 To study the stress of plastic helical gears in the new type car door lock under the working condition,establish the finite element model of helical gear mesh through ABAQUS,the contact process of plastic helical gears is simulated and analyzed based on ...
YANG Meng, KAN ShuLin, XIE Chao
doaj
Jixie chuandong, 2014 According to the gear meshing principle,based on tooth contact analysis of helical gear, the computer simulation of double helical gear meshing process under five different error conditions are carried out,the analysis and evaluation of quality of the ...
李建华, 王强, 于军强, 宁程丰
doaj
Analysis of gear transmission error in helical gear using enhanced tooth contact analysis model considering measured tooth profile errors. [PDF]
Sci RepIm D +6 more
europepmc +1 more source