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Journal articles on the topic 'Chopper'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Yang, Anming, Wei Xiang, Bo Yan, Yiping Duan, Jiangnan Lv, and Mingliang Wu. "Optimization and Test of Structural Parameters of Flat Hob Chopper." Agriculture 12, no. 6 (2022): 824. http://dx.doi.org/10.3390/agriculture12060824.

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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 the minimum chopping power as the objective. With the help of MATLAB software, the mathematical model is solved. The chopping power curves of each point on the chopper blade edge line before and after the optimization of structural parameters are generated. The results indicate that when the coordinate value of point A on the blade edge line on

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2

Djumhariyanto, Dwi, Mahros Darsin, Hari Arbiantara Basuki, and Robertoes Koekoeh Koentjoro Wibowo. "Introduction to Chopper Machines as a Supporter of Increasing Production and Quality of Livestock Feed in Jember Jelbuk Village." PKM-P 7, no. 1 (2023): 100. http://dx.doi.org/10.32832/jurma.v7i1.1775.

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Silage is animal feed fermented to add nutrition and increase feed availability, especially during the dry season. The feed fermentation process is faster if the feed has been chopped before. This service aims to introduce choppers to Jelbuk Village, Jember Regency farmers. The service begins by discussing the problems faced by farmers/breeders, chaired by Mr. Mahfudz. They wanted a portable mini chopper to move and operate this machine at each member's residence. The chopper is modified from the previous multi-function chopper machine, which can chop leaves and twigs and crush animal manure f

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3

Pratomo, Hariyo Priambudi Setyo, Hanny Hosiana Tumbelaka, Joni Dewanto, Indar Sugiarto, and Iwan Halim Sahputra. "Penggunaan Energi Surya sebagai Tenaga Penggerak Mesin Pencacah Hijauan Pakan Ternak di Dusun Turi, Tulungagung." Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat 11, no. 1 (2025): 38–51. https://doi.org/10.29244/agrokreatif.11.1.38-51.

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This community service activity aimed to apply solar energy to a cow and goat fodder chopper to obtain finely chopped forage. The realization of chopper and small-scale solar power plants was based on interviews with farmers. Chopped forage included elephant grass, caliandra, and young sugarcane. The electric power plant and chopper were settled in an area agreed upon by the farmers. Moreover, a comparative study on chopper construction shows that the free cutting mechanism implemented is also used by other researchers and has a simple and strong construction, nevertheless providing ease in di

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Yudhanto, Ferriawan, Putri Rachmawati, and Citravia Agustin. "Effect of Feeding Size of Cassava Leaf by Chopper Machine on Milk Production of Goat at Kemirikebo Village." E3S Web of Conferences 425 (2023): 04004. http://dx.doi.org/10.1051/e3sconf/202342504004.

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A chopper machine that functions as a feeding chopper is often used in agriculture and animal husbandry. The design of this machine is different from a commercial chopper. It is used with a set length of chopped sizes variation in 4 sizes, 1, 3, 5, and 7 cm. Chopped sizes based on the farmer’s requirement to meet standard feeding sizes will impact livestock production. Smaller sizes of feeding, mainly forage (basal feeding) which is easier to digest, will increase feeding efficiency. This research aims to inform farmers about the importance of knowing the forage size for goats that will increa

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Warji, Warji, and Tamrin Tamrin. "Aplikasi Pencacah Pakan Ternak pada Peternak Kambing Isbani Farm." Jurnal Pengabdian Fakultas Pertanian Universitas Lampung 1, no. 2 (2022): 435. http://dx.doi.org/10.23960/jpfp.v1i2.6238.

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The feed given to goats is generally in the form of grass and cocoa pods. The grass that is given directly without being chopped is not eaten as a whole by the goat, but what is chopped first is eaten until it runs out. This service program aims to apply a forage chopper machine for goats at Isbani Farm so that the forage becomes fine in size. The method for reducing or smoothing the size of forage is to use a chopper in the chopping process. This chopper is in the form of two blades mounted on the axle and driven by diesel so that it can rotate and chop forage material. Service activities inc

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6

Jia, Duanyang, Zhijun Wang, Zhenyu Xu, Weilong Chen, Yimeng Chu, and Chunguang Su. "Design of an E × B chopper based on permanent magnets." Journal of Physics: Conference Series 2687, no. 4 (2024): 042002. http://dx.doi.org/10.1088/1742-6596/2687/4/042002.

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Abstract Chopper systems are typically used to provide beam time structure and ensure the safety of accelerator operation by deflecting the beam away. The reliability of conventional choppers is entirely based on high-voltage (HV) pulsed power supplies. However, when the power supply fails to charge the electrostatic deflection plate, the beam cannot be cut off, and it will enter the downstream accelerator. To meet the strict beam stopping time requirements of the China Initiative Accelerator Driven System (CiADS), novel E × B chopper design has been developed based on a permanent magnet and a

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7

Aprilliandi, Reza, Siti Suharyatun, Oktafri Oktafri, and Agus Haryanto. "Uji Kinerja Mesin Pencacah Tipe Multiguna untuk Pencacahan Tongkol Jagung." Jurnal Agricultural Biosystem Engineering 1, no. 3 (2022): 299. https://doi.org/10.23960/jabe.v1i3.6321.

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Indonesia is an agrarian country because it has abundant agricultural products, one of its mainstay is corn. Besides rice, corn is one of the staple foods consumed by Indonesian people, but only the corn’s grain are used in corn. The cornhusk and corn cobs are usually thrown away or just burned because they are not used. One of the way to process corncobs waste is by chopped corncobs to be used as animal feed. Corncobs that have been separated from the grains of corn were chopped using a chopper machine (Chopper). All this time, these machines have been widely used by society. However, it stil

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8

Prananda, Fijay, Ridway Balaka, and Nanang Endriatno. "Analisis Perancangan Alat Pencacah Nilam Untuk Petani Nilam." Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin 9, no. 1 (2024): 13. http://dx.doi.org/10.55679/enthalpy.v9i1.46935.

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The automatic pull shaft on the patchouli chopper is an important component of the patchouli chopper machine. The research aims to carry out an analysis of the patchouli chopper pull shaft and produce a design for the newest patchouli chopper. In this research, the focus was only on the analysis of the pulling shaft on the patchouli chopper where all research methodologies were carried out using inventor software. The main driving engine is a combustion engine with a power of 5.5 HP, S45C shaft material with a tensile strength of 58 kg/mm2, and a shaft diameter of 15 mm. In the selection of pu

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9

Grenci, N., D. Cortes, and M. Flaska. "Design of an epithermal neutron velocity selection system for the Penn State Breazeale Reactor." Journal of Instrumentation 18, no. 06 (2023): P06035. http://dx.doi.org/10.1088/1748-0221/18/06/p06035.

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Abstract A series of mechanical neutron choppers to operate as a velocity selection system have been developed for the Pennsylvania State Breazeal Reactor (PSBR). This chopper system will provide pulsed epithermal neutrons in the energy range of 0.5–40 eV with 2% or better energy resolution, and with a transmission of 1E-6 or better. Four different chopper geometries have been evaluated for their utility as mechanical neutron choppers. Specifically, Fermi, ring, piston, and disc choppers have been evaluated to assess their potential neutronics performance and mechanical constructability. A ser

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10

Viorel, Alina Cristina, and Gabriela Crăciunaș. "Different Chopper Types for Supply Separately Excited DC Motor." International Journal of Advanced Statistics and IT&C for Economics and Life Sciences 13, no. 1 (2023): 23–27. http://dx.doi.org/10.2478/ijasitels-2023-0003.

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Abstract Nowadays saving the planet’s resources plays a very important role in improving our life conditions. The purpose of the paper is to supply the separately excited dc motor by using different chopper circuits. A very sustainable solution is to replace the resistors from classic theory with dc choppers for better efficiency. The armature voltage can be controlled by using IGBT chopper and the PWM signal received from controller is done with a dedicated block created by MATLAB environment. The advantages of developing this technique are that the speed changes proportionally with armature

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11

Zhang, ZhiQiang, Allen David McHugh, HongWen Li, et al. "Global Overview of Research and Development of Crop Residue Management Machinery." Applied Engineering in Agriculture 33, no. 3 (2017): 329–44. http://dx.doi.org/10.13031/aea.12167.

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Abstract. Crop residue retention has been recognized worldwide to improve soil structure and fertility, reduce pollution and erosion, and enhance soil water retention/conservation. However, some factors limit the widespread adoption of on-farm machinery that can appropriately manage in-field residue. Two key factors are the quality of residue chopping and spreading uniformity. This article initially summarized the research on blade design, blade arrangement and power consumption. The article classified residue management machinery into three types: single function, multiple function and harves

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12

C. Bagaihing, Ery, Daud Pulo Mangesa, and Jefri S. Bale. "Feasibility Study of Production of Double Blade Grass Cutting Machine." International Journal of Business, Technology and Organizational Behavior (IJBTOB) 2, no. 3 (2022): 183–94. http://dx.doi.org/10.52218/ijbtob.v2i3.191.

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Most breeders generally feed their livestock only with grass, but for the grass itself it will be food that is easily found and is mostly given to livestock. However, most people still use machetes or sickles to cultivate grass, therefore SMEs have emerged in dealing with grass processing. The tool made is a grass chopper machine, the machine that was created also has several variations, one of which is a double knife chopper machine made by one of the students of the Nusa Cendana University Kupang, namely Stenly Naitboho. Therefore, this research was conducted to assess the performance of the

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13

Abilzhanov, D. T. "Substantiation of technology and development of a pick-up chopper for preparation of chopped hay." Traktory i sel hozmashiny 83, no. 7 (2016): 14–18. http://dx.doi.org/10.17816/0321-4443-66180.

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With the use of current technologies of preparation of pressed forage, the losses of valued leaf part of grass plants come up to 14%, which is equivalent to significant losses of total weight of harvested hay. From this perspective, the purpose of the research is to develop a resource-saving technology of preparation of high-quality chopped hay, and to design a pick-up chopper for its implementation. To substantiate the offered technology, the method of system analysis is applied; to develop the structural and technological scheme of universal pick-up chopper, the method of design of agricultu

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14

Jagher, Reto, Philippe Rentzel, Peter-Andrew Schwarz, Alexandra Hilgers, and Ulrich Radtke. "altsteinzeitliches Geröllartefakt aus Riehen." Jahresberichte der Archäologischen Bodenforschung Basel-Stadt 2001 (December 1, 2003): 103–28. http://dx.doi.org/10.12685/jbab.2001.103-128.

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Im Jahre 1999 wurde aus dem Aushub einer Baugrube in der Flur Gehrhalde in Riehen (BS) ein knapp 13 Zentimeter langer, aus alpinem Metaquarzit gefertigter Chopper geborgen.  Zusammenfassend ist festzuhalten, dass die geologisch-pedologischen Untersuchungen sowie die naturwissenschaftlichen Altersbestimmungen nicht alle Imponderabilien, welche mit der Datierung des Choppers aus Riehen in das Altpaläolithikum verknüpft sind, ausräumen konnten. Dies ist unter anderem darauf zurückzuführen, dass der Chopper nicht in situ gefunden wurde und nicht mit anderen Funden vergesellschaftet war.

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15

Alfauzi, Abdul Syukur, Atikah Ayu Janitra, and Aan Setyo. "Rancang Bangun dan Analisis Mesin Perajang Tembakau Menggunakan Mekanisme Poros Engkol." Journal of Mechanical Engineering and Applied Technology 1, no. 2 (2023): 7–12. https://doi.org/10.32497/jmeat.v1i2.4874.

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Tobacco is the main raw material that is utilized to make smoke. In the process the tobacco must experiences about carve, so that the process is then required carve engine existing chopper machine that uses the engine chopper blades involute results obtained in the chopped tobacco patches that appear black spots when dried so that we modify cutting mechanism carve crankshaft engine driving source motors 5.5 ( PK ) , and has been using the automated system on the conveyor secure in its use . In the selection of assessors and alternative design considerations needed to get the best design that l

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16

Luo, Linjie, Ilya Baran, Szymon Rusinkiewicz, and Wojciech Matusik. "Chopper." ACM Transactions on Graphics 31, no. 6 (2012): 1–9. http://dx.doi.org/10.1145/2366145.2366148.

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17

Parra, Igor, Luisa Morales, Javier Mar, and Eudald Carbonell. "Experimental One-Sided Choppers Relating Neuromuscular Human Abilities to Heart Rates and Technological Evolution." Humans 3, no. 3 (2023): 193–202. http://dx.doi.org/10.3390/humans3030016.

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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. In addition, this temporal frame appears to be related to human heart rates measured as beats per minute, which act as a physiological metronome. We achieved these observations, assuming that any paleolithic one-sided chopper has the information needed to estimate, quantitatively, the number of strikes on it. The experimental data allow us to establish the total timing needed for the standard fabricating of any one-sided

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18

Lubis, Muhammad Iqbal Abdi. "Manufacturing Chopper of Palm Empty Fruit Bunches (Elaeis guineensis Jacq.)." Jurnal Agro Fabrica 2, no. 2 (2021): 43–48. http://dx.doi.org/10.47199/jaf.v2i2.172.

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Agriculture’s waste is still minimum to utilized the one is empty fruit bunches (EFB), as like happened in the PT. XYZ (Xxx Yyy Zzz). EFB usually left rot into compost naturally which is need decomposition period 6 – 12 months. This research aims to design chopper of EFB and carry out a technical examination of the tool performance. Testing performed by using 5 kgs EFB at three repetition with the average of water content and fat content respectively 32.06 % and 7.46 %. The average of effective work capacity 81.46 ± 5.58 kg/hr, chopped 43.33 ± 0.58 %, percentage do not chop 54.00 ± 1.73 %, per

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19

Rana, Ankush, Shivansh Bhatnagar, Sagar Garg, and Amit Garg. "Wide frequency range optical chopper system: an affordable solution using 3D printing and Arduino Uno." Physics Education 58, no. 6 (2023): 065009. http://dx.doi.org/10.1088/1361-6552/acf083.

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Abstract We have developed a wide frequency range affordable optical chopper system from 10–550 Hz. It is a self-contained prototype built using 3D design and printing and Arduino UNO. The system consists of six chopper wheels that are 3D designed using open-source software, Blender and printed on FlashForge 3D printer using polylactic acid. Two Arduino Uno’s have been deployed in the present system- One for controlling the rotation speed of the optical choppers and another for frequency measurement of the modulated output. The adoption of open-source approach makes it possible for any undergr

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20

Hoque, MA, MI Hossain, MM Uddin, and MA Islam. "Preparation and Preservation of Maize Stalk Fodder." Bangladesh Journal of Agricultural Research 47, no. 3 (2023): 333–42. http://dx.doi.org/10.3329/bjar.v47i3.69119.

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Shortage of feed supply of the cattle during the dry season or flood period is an important issue which could be partially met by maize stalk. An experiment was conducted to prepare maize stalk fodder for cattle. The BARI chopper was improved for chopping maize stalk (MS) in smaller size (7-8mm) by adding blades and make the chopper safe by adding casing. The capacity of the BARI chopper was 745 and 425 kg/h with fresh and dried maize stalk, respectively. Total chopping cost per hour was Taka 0.23 per kg. The chopped maize stalk in both fresh and dried conditions with different combinations we

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21

Laksanawati, Trias Ayu, Nuraini Lusi, and Riza Rahimi Bachtiar. "PRODUKSI BANANA SNACK DENGAN MESIN PERAJANG OTOMATIS DI KABUPATEN BANYUWANGI." SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan 7, no. 2 (2023): 1253. http://dx.doi.org/10.31764/jpmb.v7i2.15192.

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ABSTRAKObugame merupakan industri kecil makanan ringan dari hasil pertanian yang inovatif di Banyuwangi. Salah satu komoditas yang diolah adalah pisang menjadi keripik pisang dengan nama produk Banana Snack. Keunikan produk tersbut yaitu dari segi bentuk keripik pisangnya berongga, berbentuk wafel, unik, dan menarik sehingga menjadi visual identity dari produk. Obugame masih menggunakan alat perajang manual yang digunakan untuk memproduksi keripik pisang. Kekurangan dari alat tersebut yaitu irisan pisang yang dihasilkan belum seragam dan membutukan waktu yang lama. Seiring dengan minat konsume

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22

Grammer, Kyle B., Franz X. Gallmeier, and Erik B. Iverson. "Non-static surfaces in MCNPX: The chopper extension1." Journal of Neutron Research 22, no. 2-3 (2020): 191–98. http://dx.doi.org/10.3233/jnr-200148.

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Rotating objects, such as choppers, are common components of a neutron beamline, and the motion of these components is not described in the static geometry of an MCNPX model. The special case of non-static surfaces for rotation about a stationary point in space has been developed for MCNPX. In addition, velocity dependent kinematics due to the motion of the medium have been implemented. This implementation allows for the simulation of rotating objects at speeds comparable to the velocity of cold neutrons. Applications of the chopper extension will be discussed, including the direct simulation

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23

Young, E. D., J. M. Robert, and W. P. Shofner. "Regularity and latency of units in ventral cochlear nucleus: implications for unit classification and generation of response properties." Journal of Neurophysiology 60, no. 1 (1988): 1–29. http://dx.doi.org/10.1152/jn.1988.60.1.1.

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1. The responses of neurons in the ventral cochlear nucleus (VCN) of decerebrate cats are described with regard to their regularity of discharge and latency. Regularity is measured by estimating the mean and standard deviation of interspike intervals as a function of time during responses to short tone bursts (25 ms). This method extends the usual interspike-interval analysis based on interval histograms by allowing the study of temporal changes in regularity during transient responses. The coefficient of variation (CV), equal to the ratio of standard deviation to mean interspike interval, is

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24

Sugandi, Wahyu K., Ahmad Thoriq, Asep Yusuf, and Firdaus Firdaus. "Rekayasa Mesin Perajang Tembakau Mole." Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 10, no. 4 (2021): 459. http://dx.doi.org/10.23960/jtep-l.v10i4.459-467.

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Sukasari in Sumedang areas is one of the areas producing mole tobacco with the best quality with a production capacity of 1.2 tons.ha-1 once harvested. However, the tobacco chopping system has been still conventional which results in the inhibition of tobacco supply from producers (farmers) to consumers. The tool used was to use a knife to slice rolled tobacco with a chopping capacity of 35 kg per 2 worker per day. So the time was need to chopped 1.2 tons of tobacco in 35 days. Besides to long processing time, farmers often feels of back pain sick and right hand cramps, considering the average

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25

Koschel, Mary Jo. "'Chopper Go'." AJN, American Journal of Nursing 102, no. 9 (2002): 71. http://dx.doi.org/10.1097/00000446-200209000-00043.

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26

DeBroff, Brian. "Koch Chopper." Techniques in Ophthalmology 2, no. 1 (2004): 5. http://dx.doi.org/10.1097/00145756-200403000-00002.

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27

Hamedani, Pegah, Cristian Garcia, and Jose Rodriguez. "A Comprehensive Evaluation of Different Power Quantities in DC Electric Arc Furnace Power Supplies." Energies 16, no. 9 (2023): 3888. http://dx.doi.org/10.3390/en16093888.

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Conventionally, DC arc furnaces are fed by thyristor rectifiers to control the level of current or power transferred to the load. With the advancement of high-power transistors, other structures such as diode rectifiers and DC choppers have been introduced and developed for the feeding system of DC electric arc furnaces. In this paper, the effect of different power supply systems on power quality indexes is discussed. In this regard, two types of feeding systems are considered, including a power supply system based on thyristor rectifiers and a power supply system based on diode rectifiers and

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28

Lyashenko, Serhii, Oleksandr Gorbenko, Anton Kelemesh, Antonina Kalinichenko, Jan Stebila, and Volodymyr Patyka. "Non-Waste Technology for Utilization of Tree Branches." Applied Sciences 12, no. 17 (2022): 8871. http://dx.doi.org/10.3390/app12178871.

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The trees (e.g., fruit or decorative) growing on the homestead plots of private households provide opportunities for sustainable biomass obtained from pruned branches every year. Profitable production of fuel material requires high-performance equipment and methods by which wood chips can be produced at low cost. The practice of chopping tree branches shows that not all chopping machines are suitable for use on homestead plots. This research gives the five-year test results of a developed and patented tree branch chopping machine under special operating conditions. The machine was tested under

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Rahmadi, Apri, and Mursalin Mursalin. "DESIGN AND ANALYSIS OF CHASSIS FRAME FOR CHOPPER-STYLE MOTORCYCLE." Media Mesin: Majalah Teknik Mesin 25, no. 1 (2024): 64–76. http://dx.doi.org/10.23917/mesin.v25i1.3224.

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Other than being a means of transportation, motorcycles represent a lifestyle for automotive enthusiasts. One way these enthusiasts express their passion is by customizing motorcycles. One common modification involves altering the motorcycle's original form, known as a custom-built motorcycle. There are several types of custom-built motorcycles, including cafe racers, street trackers, scramblers, bobbers, and choppers. Of these types, chopper-style motorcycles typically use a frame chassis which is built from scratch. This research aims to design and analyze the frame of a custom chopper-style

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Nalahuddin, Muchlisinalahuddin Muchlis, Hendrix Triwaldi, Desmarita Leni, Aulia Naro, and Deviya Aprilman. "Analisa Kapasitas Mesin Pencacah Multi Mixer Pakan Ayam KUB." Jurnal Teknik Mesin 17, no. 1 (2024): 76–81. http://dx.doi.org/10.30630/jtm.17.1.1224.

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In this study, the capacity analysis of the multi mixer chopper machine was carried out with the parameters applied such as: rpm, time and input and output of the machine in terms of the weight of the input material and the output of the feed produced in order to calculate the performance and capacity of the KUB chicken feed multi mixer chopper. (Balitbangtan superior native chicken). In the process of analyzing the capacity of the multi mixer chopping machine for kub chicken feed, the preparations made include preparing tools and materials for testing, testing, data collection, analysis and p

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Mamatov, F. M., R. R. Karimov, Sh X. Gapparov, F. U. Karshiev, and R. M. Choriyev. "Determination of the parameters of the canonical working body of the straw chopper." IOP Conference Series: Earth and Environmental Science 1076, no. 1 (2022): 012025. http://dx.doi.org/10.1088/1755-1315/1076/1/012025.

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Abstract In the world, much attention is paid to the development and application of machine straw choppers. The aim of the study is to justify the parameters of a straw chopper in the form of a hyperboloid of polycaninic form. The basic principles and methods of classical mechanics, mathematical analysis and statistics were used in this study. The authors proposed and developed a straw chopper of polycanonical form. On the basis of theoretical studies analytical dependences for definition of the frontal area of a polycanonical straw shredder depending on its parameters are determined. Multifac

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Hayden, Brian. "Insights into early lithic technologies from ethnography." Philosophical Transactions of the Royal Society B: Biological Sciences 370, no. 1682 (2015): 20140356. http://dx.doi.org/10.1098/rstb.2014.0356.

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Oldowan lithic assemblages are often portrayed as a product of the need to obtain sharp flakes for cutting into animal carcases. However, ethnographic and experimental research indicates that the optimal way to produce flakes for such butchering purposes is via bipolar reduction of small cryptocrystalline pebbles rather than from larger crystalline cores resembling choppers. Ethnographic observations of stone tool-using hunter-gatherers in environments comparable with early hominins indicate that most stone tools (particularly chopper forms and flake tools) were used for making simple shaft to

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Nariyama, Nobuteru. "Current saturation in free-air ionization chambers with chopped synchrotron radiation." Journal of Synchrotron Radiation 20, no. 5 (2013): 698–704. http://dx.doi.org/10.1107/s0909049513016154.

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Saturation curves for free-air ionization chambers with electrode gap widths of 4.2, 8.4 and 18 mm were obtained for 10 and 15 keV undulator synchrotron radiation thinned with a 230 Hz rotating-disk chopper. Ion recombination in free-air ionization chambers was found to be inversely proportional to the applied electric field, and an expression that satisfactorily reproduced the ion-recombination rate is determined. A comparison of the expressions for continuous and pulsed X-rays revealed that chopped high-intensity X-rays require a higher voltage to attain saturation when the product of the pu

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Amitabh, Anupam, Vishal Kumar, Sanjay Kumar Jain, et al. "Development and Performance Evaluation of Watermelon Pulper Based on Mechanical Action of Crushing and Shearing Force." Journal of Biobased Materials and Bioenergy 17, no. 3 (2023): 375–82. http://dx.doi.org/10.1166/jbmb.2023.2283.

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Pulpers available in market have two concentric drums, one for sieving the crushed fruit pulp and other serve as housing. A motorized single drum brush type watermelon pulper was designed and fabricated unlike the available pulper in market. The pulper designed was simple, low cost, high capacity and easy to operate and required less cleaning effort and time. The pulper consist of the feed hopper, choppers, screw conveyor, cylindrical main housing with baffles, a perforated screen, juice outlet, waste outlet and a shaft with two beaters and nylon brushes. The auger conveyed the chopped fruit p

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Suhdi, Suhdi, Lutiya Damayanti, and Saparin Saparin. "Perbaikan Desain Mesin Pencacah Daun Pelawan Untuk Meningkatkan Kemampuan Proses Pencacahan." Jurnal Inovasi Teknologi Terapan 2, no. 1 (2024): 137–46. http://dx.doi.org/10.33504/jitt.v2i1.220.

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The Pelawan leaf chopper machine is an annual product of LPPM Universitas Brawijaya Malang and in collaboration with several universities, one of which is Bangka Belitung University which is focused on the Pelawan forest, Namang village, Central Bangka Regency. The chopping machine used has dimensions of 30 x 30 x 3 mm, and uses a 200-watt electric motor drive with a voltage of 220 V/150 Hz, with Rpm 2800 and 2 blades in the hopper. During the machine testing process, there were still deficiencies in the tool components which caused the results of the chopping to not be chopped properly. There

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Masienko, Ivan, Artem Vasilenko, and Sergey Schevchenko. "Patent analysis of design features of non-cereal crop choppers." E3S Web of Conferences 193 (2020): 01029. http://dx.doi.org/10.1051/e3sconf/202019301029.

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The paper provides an overview of patent developments - mounted and trailed mobile choppers-straw spreaders. Their analysis is carried out and the shortcomings in the process of chopping and field distribution of the non-cereal part of rice crop are indicated. A design of PIRS-2-2 mobile trailed rice straw chopper is proposed, which is to eliminate the disadvantages inherent in the choppers designed for chopping cereal straw. The use of this machine will ensure the required quality of rice straw chopping and uniform distribution of check plots to a given width.

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Ihsan, Azar, and Muldi Yuhendri. "Rancang Bangun DC Chopper Satu Kuadran Berbasis Simulink Matlab." JTEIN: Jurnal Teknik Elektro Indonesia 2, no. 2 (2021): 175–81. http://dx.doi.org/10.24036/jtein.v2i2.160.

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Catu daya DC merupakan serangkaian komponen elektronik yang dapat menyuplai tegangan DC ke komponen elektronik lainnya. Setiap perangkat elektronik membutuhkan tegangan suplay yang berbeda-beda. Karena penggunaan catu daya yang luas ini, diperlukan suatu sistem yang dapat mengkonversikan tegangan DC dari suatu tingkat tegangan ketingkat tegangan lainnya. Maka salah satu cara untuk mengubah tegangan DC ketegangan DC lainnya digunakan sistem yang dikenal sebagai DC choper. Pada Sistem DC choper satu kuadran nilai rata-rata tegangan keluaran dan arusnya selalu positif dan dayanya selalu mengalir

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Dendi Agustian, Melti Septiani, and Sohip Romdoni. "Pengembangan DC Chopper Sebagai Pengontrol Daya Pada Sistem Energi Terbarukan." Jurnal Teknik Mesin, Industri, Elektro dan Informatika 3, no. 1 (2023): 12–17. http://dx.doi.org/10.55606/jtmei.v3i1.3186.

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Renewable energy systems require effective and efficient power control for men-optimizing electricity production. One of the power control technologies used in renewable energy systems is DC Chopper. DC Chopper is an electronic device used to control the voltage and electric current in the DC system. In this study, the development of DC Chopper as a power controller in the renewable energy system was discussed. This research is to introduce the use of DC Chopper as a power controller in the renewable energy system and to the effect of the use of DC Chopper on the production of the new system.

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Putera, Fahmi Ilmano, Aryo Bayu Wibisono, and Aphief Tri Artanto. "PERANCANGAN BUKU VISUAL SEPEDA MOTOR CHOPPER DENGAN TEKNIK FOTOGRAFI." SYNAKARYA Visual Communication Design Student Journal 2, no. 01 (2021): 69–78. http://dx.doi.org/10.33005/synakarya.v2i01.35.

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Chopper merupakan salah satu motor kustom yang sedang banyak digemari oleh masyarakat Surabaya. Chopper pun juga memiliki ciri khas tersendiri dibandingkan aliran-aliran sepeda motor custom lainnya. Chopper memiliki kultur tersendiri, terdiri dari beberapa elemen, seperti fashion, musik, event, bahkan sampai memiliki gaya visual tersendiri. Sangat disayangkan jika para pecinta Chopper tersebut tidak mengerti informasi tentang kultur maupun cara pembuatan yang ada di dalam Chopper. Perancangan buku visual ini memberikan informasi terkait kultur maupun cara pembuatan dan orang-orang yang terliba

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Jankauskas, Vytenis, Robertas Abrutis, Audrius Žunda, and Justinas Gargasas. "Wear Study of Straw Chopper Knives in Combine Harvesters." Applied Sciences 13, no. 13 (2023): 7384. http://dx.doi.org/10.3390/app13137384.

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Cereal straw is a biomaterial with great potential: about 144 million tons of biomass are grown annually in Europe. For any use of straw (fertilizer, biofuel, etc.), efficient chopping technology, i.e., the reliable and efficient operation of mobile or stationary choppers, is the key factor for further success. Since most of the straw is chopped at harvest time, the subject of the study is the wear of the combine’s chopping knives. Six blades of different materials and designs were tested under realistic conditions during wheat and rapeseed harvesting on 180 ha. The influence of hardness, comp

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Le Beau, F. E., A. Rees, and M. S. Malmierca. "Contribution of GABA- and glycine-mediated inhibition to the monaural temporal response properties of neurons in the inferior colliculus." Journal of Neurophysiology 75, no. 2 (1996): 902–19. http://dx.doi.org/10.1152/jn.1996.75.2.902.

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1. To determine the contribution of inhibition to the generation of the temporal response patterns of neurons in the inferior colliculus (IC), the effects of iontophoretically applied gamma-aminobutyric acid (GABA), glycine, and the GABAA and glycine receptor antagonists, bicuculline and strychnine were studied on 121 neurons in the IC of urethan-anesthetised guinea pig. 2. The neurons temporal discharge patterns were classified into six categories on the basis of their peristimulus time histograms (PSTHs). 1) Onset units fired at the stimulus onset and could be divided into two subtypes: narr

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Singhal, Lalit, and Gitanjli Sood. "Manual-delineation and dissection technique for posterior polar cataract." Journal of Cataract & Refractive Surgery Online Case Reports 12, no. 4 (2024): e00123. http://dx.doi.org/10.1097/j.jcro.0000000000000123.

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In posterior polar cataract (PPC), the posterior capsule is weak or dehiscent. This can lead to posterior capsular rent at any time during cataract surgery, leading to complications. Various techniques have been used to manage such cataracts, and modifications are advised at each and every step of cataract surgery. We describe a new technique in which a blunt chopper is used to manually delineate the epinucleus from the nucleus at 360 degrees, and the nucleus is chopped and removed by phacoemulsification. Then, the chopper is inserted in the plane between the capsule and the epinucleus, and ma

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Suhendra, Suhendra, Winda Apriani, and Irma Fahrizal. "Uji Performansi pada Mesin Pengurai Sabut Kelapa dengan Modifikasi Pisau Pengurai." Jurnal Engine: Energi, Manufaktur, dan Material 6, no. 2 (2022): 57. http://dx.doi.org/10.30588/jeemm.v6i2.1239.

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<p class="Default"><em>Coconut coir can be processed into cocopeat and coco fiber. In the chopping process, the chopping mechanism has a critical role that will determine the results of the chopping off of coconut coir. Based on these conditions, in this study, the development of a chopping mechanism was carried out by modifying the chopper blade to improve the chopper of coconut coir. The purpose of this study was to modify the coconut coir chopper blade, perform performance tests and calculate the increased performance after modification. Modification of the chopper mechanism on

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Itoh, Shinichi, and Kenji Ohoyama. "Chopper Spectrometer (2)." hamon 25, no. 1 (2015): 52–59. http://dx.doi.org/10.5611/hamon.25.1_52.

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Brennen, Reid A. "Microfabricated optical chopper." Optical Engineering 33, no. 11 (1994): 3634. http://dx.doi.org/10.1117/12.181576.

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DeBroff, Brian M. "Vejarano Irrigating Chopper." Techniques in Ophthalmology 3, no. 3 (2005): 115. http://dx.doi.org/10.1097/01.ito.0000177614.04431.ab.

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Page, Lyman A., Edward S. Cheng, and Stephan S. Meyer. "Resonant cryogenic chopper." Applied Optics 31, no. 1 (1992): 95. http://dx.doi.org/10.1364/ao.31.000095.

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Yeoh, Ronald. "Fractured chopper tips." Journal of Cataract & Refractive Surgery 36, no. 10 (2010): 1804. http://dx.doi.org/10.1016/j.jcrs.2010.07.010.

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Khaliullin, D. T. "Improved feed chopper." Machinery and Equipment for Rural Area, no. 11 (November 24, 2023): 18–31. http://dx.doi.org/10.33267/2072-9642-2023-11-28-31.

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The authors present the results of experimental studies to develop the main design and technological parameters of the improved chopper which allow to improve the feed quality and the energy efficiency of the process. The studies have made it possible to establish rational dimensional and technological parameters of the chopper. The recommended rotation speed of the cutting knives for chopping corn cobs is 1200 and 1500 min-1 with a moisture content of up to 66%.

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Ciupek, Martin. "Das Chopper-Dreirad." VDI nachrichten 78, no. 06 (2024): 40. http://dx.doi.org/10.51202/0042-1758-2024-06-40.

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