Results 11 to 20 of about 72,816 (336)

ENHANCING ESSENTIAL OIL YIELD: UTILIZING INTERNAL CHOPPER IN STEAM DISTILLATION

open access: diamondLogic
The objective of this study is to validate a novel method for chopping essential raw materials. To achieve this, we employed a distillation reactor equipped with an internal chopping module to enhance both the quantity and quality of Champaca essential ...
I Made Rajendra   +3 more
doaj   +3 more sources

A superconducting modulator for extremely sensitive voltage measurements across multifilamentary superconducting wires [PDF]

open access: yes, 1987
In this paper we describe a superconducting chopper amplifier used as an instrument to measure the V(I) curve of multifilamentary superconductors.
Kate, H.H.J. ten   +2 more
core   +3 more sources

A Prechop Technique Using a Reverse Chopper

open access: yesJournal of Investigative Surgery, 2019
Purpose: To describe a manual prechop technique for splitting the nucleus of the lens using a recently developed reverse chopper. Methods: During the process, the reverse chopper and the Nagahara chopper are placed diagonally in the peripheral area of ...
Yang Zhao   +3 more
doaj   +1 more source

Redesigning a Stalk Chopper Mechanism for Reducing Cutting Energy and Optimizing Its Bite Length [PDF]

open access: yesBiomechanism and Bioenergy Research, 2022
Considering the increasing population of the world and the lack of human food sources, it is very important to pay more attention to fodder plants that can indirectly supply human food.
Erfan Vahedi   +2 more
doaj   +1 more source

Pengaruh Duty Cycle dan Frekuensi Terhadap Kecepatan Putar Motor DC

open access: yesTechne, 2018
Tulisan ini dibuat untuk mengetahui pengaruh perubahan frekuensi dan duty cycle terhadap kecepatan putar motor DC saat terbebani dan saat tidak dibebani yang diterapkan dengan menggunakan sistem PWM ( Pulse Width Modulation ).
Budihardja Murtianta
doaj   +1 more source

Chopper-Stabilized Instrumentation Amplifier with Automatic Frequency Tuning Loop

open access: yesMicromachines, 2018
A variable-gain chopper-stabilized instrumentation amplifier (chopper IA), which employs a low pass filter (LPF) to attenuate the up-converted noise at the chopping frequency, is presented. The circuit is designed and fabricated with Taiwan Semiconductor
Chen-Mao Wu   +3 more
doaj   +1 more source

Evaluation and Performance of Three-Phase Inverter Using Multiple Bidirectional Choppers Intended for 1.5-kVdc PV Systems

open access: yesIEEE Access, 2023
This article focuses on the chopper-cell number of a novel three-phase inverter for utility-scale photovoltaic (PV) systems where multiple cascaded bidirectional chopper cells and a three-phase line-frequency transformer with a three-legged core are used.
Linyue Qiao, Makoto Hagiwara
doaj   +1 more source

Dual SCR chopper as a motor controller for an electric car [PDF]

open access: yes, 1971
Despite recent advances in solid-state controls for electric cars, chopper-induced problems still exist: commutation and ac losses are significantly high, the chopping action induces losses within the power source, and large ripple components in the ...
Rippel, Wally E.
core   +1 more source

Fuzzy Logic for Improvement PID Control in D.C. Motor Speed [PDF]

open access: yesJournal of Electrical and Electronics Engineering, 2022
The paper presents a new strategy of making software modules with fuzzy control. It is the best solution for implementing complex applications. Dynamic control today takes place in discrete time and discrete values. Concurrently, it is desirable that the
GORDAN Ioan Mircea   +1 more
doaj  

Wet granulation in laboratory-scale high shear mixers: Effect of chopper presence, design and impeller speed [PDF]

open access: yes, 2011
The effect of the main means of agitation in a high shear mixer has been investigated in this study. Granulation runs have been performed on a fine cohesive microcrystalline cellulose powder (Avicel 105, d50 = 20 μm) often used as a pharmaceutical ...
Chitu, Toma Mihai   +2 more
core   +3 more sources

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