Results 1 to 10 of about 2,242 (150)
Hybridization of natural and synthetic fibers has the ability to improve composite performance. It means that the combination of natural fibers such as coir, jute, bamboo, and sisal with synthetic or glass fiber can broaden the role of the composite ...
Windyandari Aulia +3 more
doaj +2 more sources
Dual-band composite high gain MIMO antenna for 5G NR applications employing shareable small cell radio unit [PDF]
In this paper, a MIMO antenna is presented consisting of 4 composite elements. Each antenna element consists of a U-shaped conducting structure and a perturbed barrel Dielectric Resonator Antenna (PB-DRA) structure.
Asadullah +5 more
doaj +2 more sources
On the Structure and Affinities of the Composite Bow [PDF]
n ...
Henry Balfour
exaly +3 more sources
Comprehensive evaluation system for stability of multiple dams in a uranium tailings reservoir: based on the TOPSIS model and bow tie model [PDF]
The main purposes of this study are to analyse the evaluation of tailings dam stability under multiple factors and prevent accidents more effectively by proposing a composite risk analysis model.
Fuliang Jiang +5 more
doaj +3 more sources
Reassessing the Evidence for the Composite Bow in Ancient Eurasia
Abstract Prevailing theories suggest that the composite bow originated in the fourth millennium BCE and developed independently in multiple regions. However, these claims often rest on insufficiently analyzed evidence and inconsistent definitions of what constitutes a composite bow.
Gabriel Šaffa
exaly +2 more sources
An Analysis of a Persian Archery manuscript written by Kapur and Cand
The present article deals with an analysis of an undated Persian archery manuscript titled Resale-ye Kamandari [Archery Manuscript] written by Kapur Cand. It is written in Persian and judging by the style it should have been written by a Persian. Persian
Bede Dwyer +1 more
doaj +3 more sources
Sources of supply of composite bows to the Buryats
The article discusses the main sources of supply of composite bows to the Buryats. In the works of domestic researchers, starting from the 18th century, individual theses appear on the local and imported nature of objects, their characteristics and differences are mentioned, and the manufacturing process is described, but these data have not been ...
Roman Mikhailovich Kharitonov +1 more
openaire +1 more source
Safety assessment of petrochemical enterprise using the cloud model, PHA–LOPA and the bow-tie model [PDF]
Safe production is the foundation of the normal operations of petrochemical enterprises, and it helps maintain social stability. The main purpose of this study is to prevent petrochemical enterprise accidents by proposing a composite safety assessment ...
Qingwei Xu +3 more
doaj +1 more source
Mine safety assessment based on basic event importance: grey relational analysis and bow tie model [PDF]
Safety assessments are a crucial first step in preventing coal and gas outburst accidents. The main purpose of this study was to create a new accident prevention technique using a novel safety assessment method based on fault tree basic event importance,
Qingwei Xu +3 more
doaj +1 more source

