Results 21 to 30 of about 16,568,157 (301)

System for Changing the Radial Response on Car Wheels

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2020
The paper deals with the possibilities of change in adhesion force for experimental measurement on a road vehicle. The article deals with the ways in which the road vehicle can be brought to skid limit while driving at a safe speed.
Petr Jilek, Jan Němec
doaj   +1 more source

The Role of Russian Scientists in the Development of Anthrax Vaccines

open access: yesAktualʹnaâ Infektologiâ, 2015
In Russia in the second half of the XIX century, research schools developing anthrax vaccines for agriculture were formed. According to their level, they are not inferior to similar Western schools.
M.V. Supotnytskyi   +5 more
doaj   +1 more source

Data Analysis and Visualization for Industrial Enterprise Water Supply System

open access: yesProceedings of the International Conference on Applied Innovations in IT, 2017
In this article the method of the industrial enterprises water supply system data analysis based on search of dependences of emergencies number on environmental parameters is considered.
Vladislav Noskov, Aleksey Kychkin
doaj   +1 more source

On the equality of Bajraktarevi\'c means to quasi-arithmetic means [PDF]

open access: yes, 2019
This paper offers a solution of the functional equation $$ \big(tf(x)+(1-t)f(y)\big)\varphi(tx+(1-t)y)=tf(x)\varphi(x)+(1-t)f(y)\varphi(y) \qquad(x,y\in I), $$ where $t\in\,]0,1[\,$ is a fixed number, $\varphi:I\to\mathbb{R}$ is strictly monotone ...
Páles, Zsolt, Zakaria, Amr
core   +2 more sources

Wearable ECG Device and Machine Learning for Heart Monitoring

open access: yesSensors
With cardiovascular diseases (CVD) remaining a leading cause of mortality, wearable devices for monitoring cardiac activity have gained significant, renewed interest among the medical community.
Zhadyra Alimbayeva   +4 more
doaj   +1 more source

Mathematical modeling for eco-friendly feed quality assessment: Photoluminescent techniques in sustainable livestock production [PDF]

open access: yesE3S Web of Conferences
In this study, photoluminescent spectroscopy of feed in the visible and ultraviolet range is used to determine the mixing quality of the components of the feed mixture for cattle.
Belyakov Mikhail, Nikitin Evgeny
doaj   +1 more source

THE MECHANISM OF DIRECT CORRELATION IN 2D MODEL 'STANDARD OF LIVING – CYCLE'

open access: yesВестник Российского экономического университета имени Г. В. Плеханова, 2017
The population standard of living is enormously affected by the position of state in a certain phase of cyclic development. The state influences the economic standing through various instruments depending on the level of economic development it takes ...
Maria A. Khazheeva
doaj   +1 more source

Variations on a theorem of Davenport concerning abundant numbers [PDF]

open access: yes, 2013
Let \sigma(n) = \sum_{d \mid n}d be the usual sum-of-divisors function. In 1933, Davenport showed that that n/\sigma(n) possesses a continuous distribution function. In other words, the limit D(u):= \lim_{x\to\infty} \frac{1}{x}\sum_{n \leq x,~n/\sigma(n)
Jennings, Emily   +2 more
core   +2 more sources

Anti-Slip Control System with Self-Oscillation Suppression Function for the Electromechanical Drive of Wheeled Vehicles

open access: yesWorld Electric Vehicle Journal
The movement of a wheeled vehicle is a non-regular dynamic process characterized by a large number of states that depend on the movement conditions. This movement involves a large number of situations where elastic tires skid and slip against the base ...
Aleksandr V. Klimov   +5 more
doaj   +1 more source

Mean, What do You Mean? [PDF]

open access: yesThe American Statistician, 2016
ABSTRACTWhen teaching statistics we often resort to several notions of mean, such as arithmetic mean, geometric mean, and harmonic mean, and hence the student is often left with the question: The word mean appears in all such concepts, so what is actually a mean?
openaire   +3 more sources

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