Results 71 to 80 of about 836 (213)
Gong-kuang zidonghuaResearch 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
Asia-Pacific Journal of Financial Studies, EarlyView.Abstract This study develops an explainable machine learning model to predict cryptocurrency delistings using Binance data. It combines quantitative indicators (price, volume) with qualitative data from real‐time news and Reddit. Latent Dirichlet Allocation (LDA) is used to extract topic trends and community reactions, which are transformed into time ...
Sungju Yang, Hunyeong Kwon
wiley +1 more source
Simulation Analysis of Ring Chain Drive of Heavy Scraper Conveyors Based on Adams
Jixie chuandong, 2022 Ring chain is the most important part of the scraper conveyor, whose motion characteristics directly affect the capacity and efficiency of the conveyor. Sprocket chain ring of SGZ 1000/3*1000 scraper conveyor is selected as the research object to analyze
Zhu Feng, Wang Peng
doaj
Making Mining Licit: Gold, Commodification, and the Everyday Performance of Law in Colombia
American Anthropologist, EarlyView.ABSTRACT Ethnographies of resource‐making have shown that the extraction of resource value from objects is premised on obviating the emplaced lifeworlds that surrounded objects before they traveled to consumer markets. Much of this literature looks at such supply‐chain disentanglement from the viewpoint of corporate and formal regulatory practices ...
Jesse Jonkman
wiley +1 more source
, 2023 The article presents a study of the dynamic forces occurring in the chain of a rescue scraper conveyor during its steady operation. It describes the characteristics of the test stand in the form of a scraper conveyor for investigating dynamic forces in ...
Wójcicki, Mateusz +2 more
core +1 more source
Lithic analysis in African archaeology: Advances and key themes
Archaeometry, EarlyView.Abstract Stone artifacts (lithics) preserve for extended periods; thus they are key evidence for probing the evolution of human technological behaviors. Africa boasts the oldest record of stone artifacts, spanning 3.3 Ma, rare instances of ethnographic stone tool‐making, and stone tool archives from diverse ecological settings, making it an anchor for ...
Deborah I. Olszewski +2 more
wiley +1 more source
, 1927 Suspended from the ceiling in this photograph is a scraper conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio. The conveyor was designed to move ice to a chute where it was dropped into a waiting ice cream delivery truck.
Fred A. Behmer for the Jeffrey Manufacturing Company (Photographer)
core
The upgrading of the tubular scraper conveyor junction points
NOVYE OGNEUPORY (NEW REFRACTORIES), 2017 The ways of problems solution are presented which arise during the operation of the tubular scraper conveyors intended for the bulk and small pieces abrasive materials transportation. The problems which arise mostly often are: the pulling chain seizure in the loaded turnable section, the pipes and scrapers wear and tear, the penetration of the conveyed
A. A. Bespal'kov +2 more
openaire +2 more sources
Archaeometry, 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
Jeffrey Scraper Conveyor Installation
, 1919 Single strand, scraper conveyor made by the Jeffrey Manufacturing Company of Columbus, Ohio. Flat and round chain made by Jeffrey were also part of the conveying system.
Fred A. Behmer for the Jeffrey Manufacturing Company (Photographer)
core