Results 61 to 70 of about 1,601 (167)

Comparison of the Calcaneal Pitch Angle and Modified Projection Area Per Length Squared Method for Medial Longitudinal Arch Evaluation of the Foot

open access: yesBalkan Medical Journal, 2012
Objective: To compare the calcaneal pitch angle (CPA) values measured on direct lateral radiographs of feet, and the modified projection area per length squared (PAL), which was calculated as a new method for the evaluation of the medial longitudinal ...
Esat Kıter2   +3 more
doaj  

基于回归分析的直齿齿廓修形计算研究

open access: yesJixie chuandong, 2014
With the minimum amplitude of loaded transmission error of drive gear as the optimization objective,with constructed the modified tooth surfaces,applying the LTCA and used genetic algorithm,on the basis of optimizing the best modification parameter,a ...
高扬, 方宗德, 蒋进科, 祝小元
doaj  

Analysis on the Influence of Axis Non-parallelism on the Meshing Performance about the Tooth Surface of Herringbone Gear

open access: yesJixie chuandong, 2021
Due to the machining and installation errors of herringbone gear transmission, the unsymmetrical arrangement of bearings and so on, it is inevitable that tiny axis non-parallelism will appear in gear transmission system.
Yuesheng Yan   +3 more
doaj  

Meshing Performance Analysis of a Topologically Modified and Formed Internal Helical Gear Pair

open access: yesMachines
Internal helical gear pairs are sensitive to manufacturing and assembly errors, loading deformation, which can result in vibration and noise. Three-dimensional topological modification of tooth surfaces is available to reduce this sensitivity.
Jianxin Su   +3 more
doaj   +1 more source

Caracterización hidrogeoquímica de efluentes de escombreras en el grupo minero la Zarza-Perruna [PDF]

open access: yes, 2017
info:eu-repo/semantics ...
Barrio-Parra, Fernando   +6 more
core  

Analysis of Medicare Patients Treated with Pimavanserin versus Other Atypical Antipsychotics: A Cost-Offset Model Evaluating Skilled Nursing Facility Stays and Long-Term Care Admissions in Parkinson’s Disease Psychosis

open access: yesClinicoEconomics and Outcomes Research
Krithika Rajagopalan,1 Nazia Rashid,2 Vinod Yakkala,1 Dilesh Doshi2 1Anlitiks Inc., Windermere, FL, USA; 2Medical Affairs, Acadia Pharmaceuticals Inc., San Diego, CA, USACorrespondence: Krithika Rajagopalan, Anlitiks Inc., Email kr.rajagopalan@anlitiks ...
Rajagopalan K   +3 more
doaj  

Analysis Method of Gear Profile Deformation,Transmission Error and Contact Pattern

open access: yesJixie chuandong, 2018
By using the LTCA analysis of involute gear,gear tooth deformation and stiffness curve with load is obtained. Then a study of the effect on meshing stiffness of drum shape modification across of gear width and lead misalignment is carried out by using of
Wang Ruixin   +5 more
doaj  

Métodos estatísticos para recuperação de informação [PDF]

open access: yes, 2005
É abordado o problema dos modelos de recuperação de informação, sob o ponto de vista estatístico, no sentido de estabelecer relações entre os diferentes algoritmos e apresentar uma visão unificada dos diferentes modelos com base em métodos estatísticos.
Delgado, José   +2 more
core  

Aircraft Multi-stage Altitude Prediction Under Satellite Signal Loss

open access: yes工程科学与技术
Objective Combining an inertial navigation system (INS) and a global positioning system (GPS) in stable conditions of GPS satellite signals offers the most accurate altitude indication, termed inertial satellite composite altitude.
Mengchan HUANG, Qiang MIAO
doaj  

适用于模具法加工的弧齿锥齿轮精确建模

open access: yesJixie chuandong, 2010
To build the accuracy three-dimensional model of spiral bevel gear is of great significance for spiral bevel gear machining with mold processing method,such as precision forging,injection molding,powder forming and so on.Setting up machining coordinates ...
张华, 张占立, 魏冰阳, 李天兴
doaj  

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