Results 1 to 10 of about 1,603 (68)

Curvature Invariants for the Alcubierre and Natário Warp Drives

open access: yesUniverse, 2021
A process for using curvature invariants is applied to evaluate the metrics for the Alcubierre and the Natário warp drives at a constant velocity. Curvature invariants are independent of coordinate bases, so plotting these invariants will be free of ...
Gerald B Cleaver   +2 more
exaly   +3 more sources

Enhancing the Ballistic Performances of 3D Warp Interlock Fabric Through Internal Structure as New Material for Seamless Female Soft Body Armor Development

open access: yesApplied Sciences (Switzerland), 2020
This paper investigates the effects of warp yarns ratios on the ballistic performances of three-dimensional (3D) warp interlock p-aramid fabrics. Four 3D warp interlock variants with different binding and stuffer warp yarns ratios were designed and ...
Mulat Alubel Abtew   +2 more
exaly   +3 more sources

Development of a New Blended Fabric on the RIFA-RFJW-10 Machine and Performance Analysis [PDF]

open access: yesE3S Web of Conferences, 2023
Effective condition for obtaining high-quality underwear fabrics with the required physical and mechanical properties is the formation of tissues of the required structure and structure.
Khamrayeva Sanovar   +2 more
doaj   +1 more source

AÇIĞA ÇIKARILAN TERCİHLER: TEORİ VE UYGULAMA

open access: yesMehmet Akif Ersoy Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi, 2021
Türkiye’deki hanehalkları için açığa çıkarılan tercih teorisinin geçerliliğinin test edilmesinin, tüketici tercihlerindeki rasyonelliğin belirlenmesinin ve rasyonalitenin ihlal edilmesi durumunda ortaya çıkan refah kayıplarının ölçülmesinin amaçlandığı ...
Haydar Akyazı, Ozlem Ipek
doaj   +1 more source

Analisa Unjuk Kerja Software Defined Radio (SDR) dengan Teknik Quadrature Amplitude Modulation (QAM)

open access: yesInfotekmesin: Media Komunikasi Ilmiah Politeknik Cilacap, 2021
The development of wireless communication technology require technology (software and hardware) that can keep up with changing standards. SDR platform is a software-based wireless technology that can keep up with technological developments without ...
Jenny Putri Hapsari, Munaf Ismail
doaj   +1 more source

Walsh‐Hadamard‐transform‐based SC‐FDMA system using WARP hardware

open access: yesETRI Journal, 2021
Single‐carrier frequency division multiple access (SC‐FDMA) is currently being used in long‐term evolution uplink communications owing to its low peak‐to‐average power ratio (PAPR). This study proposes a new transceiver design for an SC‐FDMA system based
Shri Ramtej Kondamuri, Sundru Anuradha
doaj   +1 more source

METHOD FOR DETERMINING THE POSITION OF THE POINTS FOR ATTACHMENT OF WARP AND BACKSTROPS TO TRAWL BOARDS

open access: yesИзвестия ТИНРО, 2020
Technique for analytical determining where the warp and backstrops should be attached to trawl board is proposed. The algorithm is developed for both triangular and quadrangular arrangement of the backstrops.
V. I. Gabryuk   +2 more
doaj   +1 more source

Investigation on the Effects of humidity and heat of combined papers on quality of CorrugatedBoard [PDF]

open access: yesتحقیقات علوم چوب و کاغذ ایران, 2010
In this investigation , effects of different humidity and heat on quality of Corrugated board , was studied , and optimum treatment indicated Variables in this Paper was : Corrugator speed (50,100,150m/min) ,wraping angle of the paper around preheaters ...
Jafar Ebrahimpoor kasmani   +2 more
doaj   +1 more source

Development of a method for determining the consumption of a polymer composition on the surface of abrow tissue to reduce the expansion of threads

open access: yesАлматы технологиялық университетінің хабаршысы, 2021
The article deals with the results of theoretical research of the use of polymer composition based on collagen to reinforce the structure of textile materials in order to prevent sliding in the seams.
B. G. Alimukhamedova   +2 more
doaj   +1 more source

Galactic warp from the kinematics of OB stars [PDF]

open access: yesEPJ Web of Conferences, 2020
The warp in Milky Way seen through the young stellar disk shows the complex structures. Its spatial distribution reveals the asymmetry in the vertical distance to the galactic midplane, whereas the kinematics shows the os- cillating motion.
Nurhidayat Rizky Maulana   +2 more
doaj   +1 more source

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