Results 71 to 80 of about 2,747 (242)

Analysis of Scraper Conveyor Chain Drive System based on Matlab and VB

open access: yesJixie chuandong, 2016
In order to improve the efficiency and reliability of the scraper conveyor chain drive system parametric design,the finite element mathematical model is built and the parametric analysis and calculation is carried out by using the software interface of ...
Mao Jun   +4 more
doaj  

Study on the spatiotemporal distribution of coal flow in the scraper conveyor of fully mechanized mining face

open access: yesGong-kuang zidonghua
Research on coal flow characteristics based on sensors is limited by the restricted monitoring range of sensors, making it impossible to study the coal flow characteristics of the entire scraper conveyor.
CHEN Shuhang   +4 more
doaj   +1 more source

A baseline lunar mine [PDF]

open access: yes
A models lunar mining method is proposed that illustrates the problems to be expected in lunar mining and how they might be solved. While the method is quite feasible, it is, more importantly, a useful baseline system against which to test other ...
Gertsch, Richard E.
core   +1 more source

An Archaeometric Approach to Reveal Organic Compounds via GC‐MS Analyses of Two Discovered Incense Burners at Daba Al‐Bayah

open access: yesArchaeometry, EarlyView.
ABSTRACT This study focuses on two terracotta incense burners discovered in the Daba Al‐Bayah necropolis in the Musandam Peninsula (Oman), associated with an Iron Age collective tomb (LCG‐2). Through gas chromatography–mass spectrometry (GC‐MS), the organic residues preserved within these artifacts were analyzed to investigate their use and ...
Francesco Genchi   +3 more
wiley   +1 more source

Mathematical model of a dynamic process of transporting a bulk material by means of a tube scraping conveyor [PDF]

open access: yes, 2019
The results of theoretical studies of simultaneous transporting the components of feed mixtures along the curvilinear paths of tubular conveyors are presented in this article. The mathematical model of a technological process of moving a bulk material (
Dovbush, Taras   +5 more
core   +1 more source

TORSION PENDULUM DYNAMIC CHARACTERISTICS STUDY OF SCRAPER CHAIN SYSTEM OF SCRAPER CONVEYOR

open access: yesJixie qiangdu, 2018
In order to investigate torsion pendulum dynamic characteristics of scraper chain system,dynamic model of scraper chain system was established by using finite element method.Numerical simulation was analyzed for dynamic characteristics of scraper chain system by applying pulse load,step load and slope load.Torsion pendulum dynamic characteristics of ...
MAO Jun   +3 more
openaire   +1 more source

Analysis of the relationship between firm innovation and corporate social responsibility: A systematic literature review

open access: yesEuropean Management Review, EarlyView.
Abstract Firm innovation and corporate social responsibility (CSR) are key strategic considerations that shape a firm's competitiveness and sustainability. However, studies exploring the relationship between the two are heterogeneous and sometimes obtain contradictory results, making it difficult to draw clear conclusions.
Daniel Alonso‐Martínez   +2 more
wiley   +1 more source

Studies on questions of design and construction of chain scraper conveyors [PDF]

open access: yes
The basic behavior of mining crushed goods in chain scraper conveyors was examined using a special test stand. The characteristics resistance lines of the upper end-piece were determined for conveyor idle as a function of the determinative crushed good ...
Guder, H.
core   +1 more source

Exploring Perimenopausal and Menopausal Women's Oral Health Perceptions and Practices in Australia—A Qualitative Study

open access: yesGerodontology, EarlyView.
ABSTRACT Objective To explore the perceptions and practices of women in peri/menopause towards oral healthcare in Australia. Background Hormonal changes associated with peri/menopause create a period where women may be more prone to developing oral health problems, which can significantly impact their quality of life.
Namitha Thomas   +4 more
wiley   +1 more source

Optimization of mode of start-up of scraper conveyor [PDF]

open access: yes, 2011
Представлено методику оптимізації режиму пуску скребкового конвеєра. За критерій оцінювання режиму руху конвеєра обрано середньоквадратичне відхилення швидкостей центра мас скребків і тягового органу в момент збігання з натяжного барабана.
Kostyna, О.   +3 more
core  

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