Results 21 to 30 of about 17,128 (262)

Dragging of inertial frames in the composed Kerr-Newman-orbiting-ring system

open access: yesNuclear Physics B, 2023
The dragging of inertial frames by an orbiting object, a well known phenomenon in general relativity, implies that the horizon angular velocity ΩHBH-ring of a central black hole in a composed black-hole-orbiting-ring system is no longer related to its ...
Shahar Hod
doaj   +1 more source

AN INVESTIGATION ON PROPERTIES OF SIRO-SPUN YARNS [PDF]

open access: yesAnnals of the University of Oradea: Fascicle of Textiles, Leatherwork, 2017
Conventional ring spinning is known as traditional spinning system and it is most widely used system in textile industry. Despite being the most prevalent system and supplying approximately 60% of short-staple yarn production, there are still some ...
YILDIZ Begüm Selen, KILIC Musa
doaj  

Characterization of Jetring yarn structure and properties

open access: yesScience and Engineering of Composite Materials, 2011
Jetring is a modification of the conventional ring spinning system and based on the usage of an air nozzle and pressurized air during yarn spinning.
Yilmaz Demet, Resşit Usal Mustafa
doaj   +1 more source

IDENTIFIKASI BAHAYA KECELAKAAN UNIT SPINNING I MENGGUNAKAN METODE HIRARC DI PT. SINAR PANTJA DJAJA

open access: yesUnnes Journal of Public Health, 2014
Menurut data ILO tahun 2010, di seluruh dunia terjadi lebih dari 337 juta kecelakaan dalam pekerjaan per tahun, sedangkan menurut data Jamsostek, pada tahun 2010, tercatat 98.711 kasus kecelakaan kerja. Data Kecelakaan Kerja PT.
Wildan Zamani
doaj   +1 more source

ANALISA SISTEM PERAWATAN KOMPONEN BEARING BOTTOM ROLLER DAN V BELT MESIN RING FRAME RY-5 PADA DEPARTEMEN SPINNING II A (DI PT DANLIRIS SURAKARTA)

open access: yesJ@ti Undip: Jurnal Teknik Industri, 2012
PT Danliris Surakarta merupakan perusahaan textil dengan salah satu produk yang dihasilkan adalah benang, yang diproduksi melalui mesin-mesin Blowing, Carding, Drawing, Lap Form, Combing, Flyer, Ring Spinning dan Winder.
Darminto Pujotomo, Rama Kartha S
doaj   +1 more source

An online yarn spinning dataset

open access: yesData in Brief, 2022
This data article presents an online yarn spinning dataset for evaluation and benchmarking of a variety of image processing algorithms and computer vision models for imaging based testing of textile yarn quality.
Noman Haleem   +2 more
doaj   +1 more source

SPIN OSCILLATIONS IN STORAGE RINGS [PDF]

open access: yesSpin 2004, 2005
The dependence of the particle rotation frequency on the particle orbit perturbations is found. The exact equation of spin motion in the cylindrical coordinate system is derived. The calculated formula for the frequency of g-2 precession is in the best agreement with previous results.
openaire   +3 more sources

Ring Asymmetry and Spin in M87* [PDF]

open access: yesThe Astrophysical Journal
Abstract Event Horizon Telescope (EHT) images of the supermassive black hole M87* depict an asymmetric ring of emission. General relativistic magnetohydrodynamic (GRMHD) models of M87* and its accretion disk predict that the amplitude and location of the ring’s peak brightness asymmetry should fluctuate due to ...
Bernshteyn, Vadim   +262 more
openaire   +3 more sources

Numerical Simulation of Fiber Motion in the Condensing Zone of Lateral Compact Spinning with Pneumatic Groove

open access: yesAUTEX Research Journal, 2021
Lateral compact spinning with pneumatic groove is a spinning process to gather fibers by common actions of airflow and mechanical forces. Compared with ring spinning, it can more effectively reduce yarn hairiness and enhance yarn strength. However, fiber
Lyu Jindan   +3 more
doaj   +1 more source

HUBUNGAN ANTARA MASA KERJA DAN PENGGUNAAN ALAT PELINDUNG DIRI DENGAN KAPASITAS VITAL PARU PADA PEKERJA UNIT SPINNING I BAGIAN RING FRAME PT. PISMA PUTRA TEKSTIL PEKALONGAN

open access: yesUnnes Journal of Public Health, 2014
Tujuan penelitian ini untuk mengetahui hubungan antara masa kerja dan penggunaan alat pelindung diri dengan kapasitas vital paru pada pekerja unit spinning I bagian ring frame PT. Pisma Putra Tekstil Pekalongan. Penelitian ini merupakan penelitian survei
Andhika Puja Hutama
doaj   +1 more source

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