Results 1 to 10 of about 68,333 (188)

Four-port bimanual phaco-chop fragmentation for dropped nucleus using standard phaco chopper and assistant handheld 23G endoilluminator

open access: yesOman Journal of Ophthalmology
PURPOSE To describe a bimanual method for management of posteriorly dislocated large nucleus fragment using standard chopper. METHODS A 23G assistant handheld endoilluminator was used as light source through inferonasal self-sealing port, while the large
Sanjeev Kumar Dhoot
doaj   +2 more sources

Design and Development of a Chopper for Ion Beam Current Measurement and Monitoring [PDF]

open access: yesJournal of Nuclear Research and Applications, 2022
For the ion beam analysis of insulating materials, we have investigated the design and calibration of an ion beam chopper. The chopper consists of a holder, a chopper plate, four photo sensors, a stepper motor, and an electronic control unit. The chopper
S. Shafiei   +2 more
doaj   +1 more source

Affective Ablenationalisms and Interspecies Entanglements

open access: yesDisability Studies Quarterly, 2023
In 2015, the news outlet Today posted a video interview with Chopper Maroshek, a former Navy Seal, about the “unbreakable bond” between himself and his service dog, a German Shepherd named Chopper.
Anastasia Todd
doaj   +1 more source

Optimization and Test of Structural Parameters of Flat Hob Chopper

open access: yesAgriculture, 2022
In order to reduce the chopping power consumption of a flat hob chopper (referred to herein as chopper) on the premise of ensuring the chopping effect of the chopper, the mathematical model of optimal design of chopper is established in this paper with ...
Anming Yang   +5 more
doaj   +1 more source

Research on system performance of a bandwidth limiting neutron chopper at CSNS

open access: yesHe jishu, 2021
BackgroundBandwidth limiting (BWL) neutron chopper is one of the important devices installed on the time-of-flight neutron scattering spectrometer.
WANG Shanshan   +5 more
doaj   +1 more source

Early Paleolithic Sites on the 145-Meter Terrace of the Usisha River in Central Dagestan

open access: yesНижневолжский археологический вестник, 2023
The article considers the characteristics of the stone inventory from the sites Ainikab 3, Ainikab 4 and Ainikab 6 of the Early Paleolithic located on the 145-meter terrace of the Usisha River in Central Dagestan.
Artur I. Taymazov
doaj   +1 more source

Experimental One-Sided Choppers Relating Neuromuscular Human Abilities to Heart Rates and Technological Evolution

open access: yesHumans, 2023
The length of time it takes to experimentally make one-sided choppers, as found in the fossil record, bears a linear relationship to the knapping process of fabricating them.
Igor Parra   +3 more
doaj   +1 more source

Perancangan Mesin Pencacah Sampah Plastik Kapasitas 85 Kg

open access: yesPatria Artha Technological Journal, 2021
Pollution of plastic waste to the environment is a big obstacle because plastic waste is difficult to recycle directly. Waste management should implement processes, such as reduce, reuse, recycle and replace potentially waste items into Recycle (Replace)
Bambang Tjiroso, Lita Asyriati Latif
doaj   +1 more source

Summary of electric vehicle dc motor-controller tests [PDF]

open access: yes, 1982
The differences in the performance of dc motors are evaluated when operating with chopper type controllers, and when operating on direct current. The interactions between the motor and the controller which cause these differences are investigated.
Mcbrien, E. F., Tryon, H. B.
core   +2 more sources

EV Range Extender in a Two-Battery HEECS Chopper-Based Powertrain

open access: yesWorld Electric Vehicle Journal, 2019
This paper first presents a new powertrain based on a two-battery High-Efficiency Energy Conversion System (HEECS) chopper that is suitable for electric vehicles (EVs).
Ayataro Tamura   +2 more
doaj   +1 more source

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