Results 41 to 50 of about 16,940,269 (158)

Static and Dynamic Model Calibration for Upper Thermosphere Determination

open access: yesSpace Weather
Thermospheric density, a crucial factor in spacecraft operations, poses a significant challenge in accurate determination due to the intricate coupling of the thermosphere‐ionosphere system.
Haibing Ruan, Jiuhou Lei, Jianyong Lu
doaj   +1 more source

Grain growth kinetics and hardness empirical model of 253 MA austenitic stainless steel after multi-pass cold rolling

open access: yesEngineering and Applied Science Research, 2022
This study investigated changes in the average grain size and hardness values of 253 MA austenitic stainless steel (ASS) and determined the grain growth kinetics as well as a hardness empirical model. A 35% multi-pass cold rolling process was employed to
Rana K. Melinia   +3 more
doaj  

Right Lung Model featuring Upper, Middle and Lower Lobes

open access: yes, 2020
This is a multi-colored right lung model where each color designates a segment of the upper, middle, and lower lobes.

core  

Sub-series 2: Publications

open access: yes, 1963
Bimonthly magazine discussing topics related to aviation and model airplane engines including collecting, restoring, maintaining, and identifying engines, along with ...
The Model Museum, Daniels, Tim
core   +1 more source

Left Lung Model featuring Upper and Lower Lobes

open access: yes, 2020
This is a multi-colored left lung model where each color designates a specific segment of the upper and lower lobes.

core  

Model engine data sheets and operating instructions, T - Misc, 1980, 1982, 1983, 2003

open access: yes, 1980
List and descriptions of various Yellow Jacket and Model Power Company model ...
Model Power Company
core   +1 more source

Sub-series 2: Publications

open access: yes, 1989
Bimonthly magazine discussing topics related to aviation and model airplane engines including collecting, restoring, maintaining, and identifying engines, along with ...
The Model Museum
core  

Calculation of Reference Crop Evapotranspiration in Chongqing Based on 5 Artificial Intelligent Models

open access: yesShuitu baochi yanjiu, 2021
In order to obtain the optimal model for calculating reference crop evapotranspiration(ET0)in Chongqing, the five artificial intelligent models such as support vector machines(SVM), Gaussian exponential model(GEM), random forest model(RF), extreme ...
BAO Lingling   +3 more
doaj  

Folder 9: Model engine data sheets and operating instructions, P - S, 1942, 1990, 1998

open access: yes, 1942
MK model products advertisement for model engines.
MK Model Products
core  

Empirical models for estimating solar radiation in Algeria: A review and case study

open access: yesRevue des Énergies Renouvelables, 2018
The information about solar radiation is limited in space and time at different local regions around Algeria due to the cost of instrumental requirements.
Y. Marif, B. Hebbal, R. Maouedj
doaj  

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