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Journal articles on the topic 'CNC'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Singh, Sareena, Justin Himler, Christa I. Nagel, and Kimberly Resnick. "The Prognostic Value of Baseline Lymphocyte, Neutrophil, and Monocyte Counts in Locally Advanced Cervical Carcinoma Treated with Radiation." Obstetrics and Gynecology International 2017 (2017): 1–9. http://dx.doi.org/10.1155/2017/8584605.

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Background. To determine the prognostic significance of pretreatment levels of circulating lymphocyte (CLC), neutrophil (CNC), and monocyte (CMC) counts in patients with locally advanced cervical carcinoma (CC) treated with definitive radiation.Methods. A retrospective, dual-institution review of patients with Stage IB2-IVA CC from 2005 to 2015. Progression-free (PFS) and Overall Survival (OS) were determined for high and low CLC, CNC, and CMC groups. Multivariate analysis was used to confirm prognostic value of baseline leukocyte counts.Results. 181 patients were included. Median follow-up ti

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Xu, Zhanghua, Lei Sun, Yiwei Zhang, et al. "PROSAIL Modeling Coupled with Environmental Stress: Remote Sensing Retrieval of Multiple Dry Matters in the Canopy of Moso Bamboo Forests under the Stress of Pantana phyllostachysae Chao." Photogrammetric Engineering & Remote Sensing 91, no. 5 (2025): 285–97. https://doi.org/10.14358/pers.24-00096r3.

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To address gaps in understanding how external stresses influence remote-sensing inversion of vegetation biochemical components, a P-PROSAIL model incorporating stress factors was developed, with Shunchang County and Yanping District in Fujian Province as the study areas. The model's effectiveness was assessed, yielding R² values of 0.7133, 0.7066, 0.6441, 0.6392, 0.6057, 0.7038, 0.5323, and 0.5149 for leaf area index (LAI), canopy dry matter content (CDMC), canopy cellulose content (CCC), canopy lignin content (CLC), canopy protein content (CPC), canopy nitrogen content (CNC), canopy tannin co

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Popescu, Maria-Cristina, Bianca-Ioana Dogaru, and Carmen-Mihaela Popescu. "Effect of Cellulose Nanocrystals Nanofiller on the Structure and Sorption Properties of Carboxymethyl Cellulose–Glycerol–Cellulose Nanocrystals Nanocomposite Systems." Materials 13, no. 13 (2020): 2900. http://dx.doi.org/10.3390/ma13132900.

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Biobased materials present a great interest due to their properties and biodegradability. Cellulose nanocrystals (CNC) nanofiller, in various amounts, was incorporated into a carboxymethyl cellulose (CMC)–glycerol (G) matrix in order to obtain nanocomposite systems with improved properties. The effect of the nanofiller on the structural features was investigated by Fourier transform infrared (FT-IR) spectroscopy, principal component analysis (PCA), two-dimensional correlation spectroscopy (2D-COS), and X-ray diffraction, while the sorption properties were evaluated by water vapor isotherms usi

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da Fonseca, Jessica Heline Lopes. "Cellulose Nanocrystals As a Key in Wearable Sensors." ECS Meeting Abstracts MA2023-02, no. 63 (2023): 3002. http://dx.doi.org/10.1149/ma2023-02633002mtgabs.

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In recent years, the development of cellulose-based inks for 3D printing has received significant interest due to numerous cellulose and its derivatives properties [1], [2]. Carboxymethyl cellulose (CMC) is an anionic water-soluble cellulose derivative widely used as superabsorbent hydrogels [3]. Another cellulose derivative is cellulose nanocrystal (CNC), a rod-like nanoparticle that can be applied for the mechanical strengthening of hydrogels and also presents potential use in several applications in the biomedical field [2], [4]. Based on this, we have proposed to investigate if CMC and CNC

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Czakaj, Agnieszka, Emmanouil Chatzigiannakis, Jan Vermant, Marcel Krzan, and Piotr Warszyński. "The Influence of the Surface Chemistry of Cellulose Nanocrystals on Ethyl Lauroyl Arginate Foam Stability." Polymers 14, no. 24 (2022): 5402. http://dx.doi.org/10.3390/polym14245402.

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Guanidine-based surfactant ethyl lauroyl arginate (LAE) and cellulose nanocrystals (CNCs) form complexes of enhanced surface activity when compared to pure surfactants. The LAE-CNC mixtures show enhanced foaming properties. The dynamic thin-film balance technique (DTFB) was used to study the morphology, drainage and rupture of LAE-CNC thin liquid films under constant driving pressure. A total of three concentrations of surfactant and the corresponding mixtures of LAE with sulfated (sCNC) and carboxylated (cCNC) cellulose nanocrystals were studied. The sCNC and cCNC suspension with LAE formed t

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Fatriyana, Maya. "CNC PROGRAM AND PROGRAMMING OF CNC MACHINE." Journal of Mechanical Science and Engineering 7, no. 1 (2020): 019–23. http://dx.doi.org/10.36706/jmse.v7i1.37.

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A programming to make parts are CNC Programming (Computer Numerical Control Programming) for machines. An NC program consists of a sequence of instructions that control the motion and automatic sequences of an NC Machine to perform a particular processing task. In a general sense, the term NC programming refers to the creation of control data for machining workpieces on NC and CNC machines. NC programming has a decisive influence on the cost-effectiveness and profitability of NC manufacturing. The selection of a programming system is mostly guided by the need for software that is suitable for

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7

Li, Shiqing, Meizhi Li, Rutong Wei, Huawen Liu, Erwei Hu, and Zhibing Zhou. "Antiepileptic activity of Callicarpa kwangtungensis Chun extract in pilocarpine induced epilepsy in mice via modulating GABAergic and DAergic transmission." BioResources 20, no. 2 (2025): 4701–19. https://doi.org/10.15376/biores.20.2.4701-4719.

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The effect of Callicarpa kwangtungensis Chun (CKC) was evaluated in Pilocarpine (P350, 350 mg/kg)-induced epilepsy in mice. The behavioral patterns of experimental mice were investigated by the number of convulsed animals, survivors, after P350-induced convulsions, latency to 1st convulsion, and latency to death. The administration of CNC extended both the latency to the first convulsion and the time to death in a dose-dependent manner. The role of receptors in the anti-convulsive action of CNC was investigated using a combination of atropine (cholinergic receptor antagonist), memantine (NMDA-

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Yadav, Mithilesh, Yu-Kuo Liu, and Fang-Chyou Chiu. "Fabrication of Cellulose Nanocrystal/Silver/Alginate Bionanocomposite Films with Enhanced Mechanical and Barrier Properties for Food Packaging Application." Nanomaterials 9, no. 11 (2019): 1523. http://dx.doi.org/10.3390/nano9111523.

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Eco-friendly cellulose nanocrystal/silver/alginate (CNC/Ag/Alg) bionanocomposite films were successfully prepared by blending of CNC with Ag/Alg solution. The CNC was fabricated from cellulose microcrystal (CMC) by acid hydrolysis method. The Ag nanoparticles (AgNPs) were generated by using Alg as a reducing agent through hydrothermal process. AgNPs-included composite films showed characteristic plasmonic effect of the AgNPs with the maximum absorption at 491 nm and they also showed high ultraviolet (UV) barrier properties. The CNC/Ag/Alg composite films were analyzed by using scanning electro

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9

von Finckenstein, E., and H. Dierig. "CNC-Drücken." CIRP Annals 39, no. 1 (1990): 267–70. http://dx.doi.org/10.1016/s0007-8506(07)61050-6.

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10

Voaden, G. W. "Decoding CNC." Production Engineer 68, no. 1 (1988): 9. http://dx.doi.org/10.1049/tpe.1988.0259.

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11

Laika, A. "CNC-Holzbearbeitungsmaschinen." Holz als Roh- und Werkstoff 47, no. 4 (1989): 131–35. http://dx.doi.org/10.1007/bf02614473.

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12

Oliveira da Silva, Sandro, and Ramilio Ramalho Reis Filho. "TORNO CNC." Revista Interface Tecnológica 19, no. 1 (2022): 313–26. http://dx.doi.org/10.31510/infa.v19i1.1364.

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Este artigo consiste em uma revisão bibliográfica, que tem como intuito apresentar o torno CNC (comando numérico computadorizado) sua evolução, características e implicações no setor de usinagem. Ao longo do trabalho será discorrido, sobre a criação do mesmo, rudimentares a princípio onde as operações baseavam-se na habilidade do torneiro. À medida que a humanidade evolui no quesito tecnológico, e pela necessidade de se adequar à nova realidade frente ao mundo globalizado surgiu o torno com comando numérico computadorizado. Importante ferramenta no processo fabril no setor de usinagem, devido

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13

Yinsheng, Wan. "Influence of CNC Tools on CNC Machining Technology." IOP Conference Series: Materials Science and Engineering 569 (August 9, 2019): 032043. http://dx.doi.org/10.1088/1757-899x/569/3/032043.

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Yang, Seung-Yeop, Kyoung-Mo Jeong, Jong-Myoung Won, and Yong-Kyu Lee. "Effect of Surface Coating of CNC and CNC/Starch on Surface Properties and Barrier Properties." Journal of Korea Technical Association of the Pulp and Paper Industry 51, no. 1 (2019): 64–71. http://dx.doi.org/10.7584/jktappi.2019.02.51.1.64.

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15

Yang, J., R. Jaenicke, and V. Dreiling. "A continuous nozzle CNC for CN and CCN counting." Journal of Aerosol Science 31 (September 2000): 809–10. http://dx.doi.org/10.1016/s0021-8502(00)90819-x.

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16

Parajuli, Sanjiv, Mohammad Jahid Hasan, and Esteban E. Ureña-Benavides. "Effect of the Interactions between Oppositely Charged Cellulose Nanocrystals (CNCs) and Chitin Nanocrystals (ChNCs) on the Enhanced Stability of Soybean Oil-in-Water Emulsions." Materials 15, no. 19 (2022): 6673. http://dx.doi.org/10.3390/ma15196673.

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Chitin nanocrystals (ChNCs) and cellulose nanocrystals (CNCs) have been recently used to stabilize emulsions; however, they generally require significant amounts of salt, limiting their applicability in food products. In this study, we developed nanoconjugates by mixing positively charged ChNCs and negatively charged CNCs at various ChNC:CNC mass ratios (2:1, 1:1, and 1:2), and utilized them in stabilizing soybean oil–water Pickering emulsions with minimal use of NaCl salt (20 mM) and nanoparticle (NP) concentrations below 1 wt%. The nanoconjugates stabilized the emulsions better than individu

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17

Karimovich, Tadjibaev Rasul, and Rakhmonov Zaylobiddin Obbosbek ogli. "16K20F3 LATHE CNC MACHINE UPGRADE TO MILLING CNC MACHINE." International Journal of Advance Scientific Research 05, no. 12 (2024): 107–12. https://doi.org/10.37547/ijasr-04-12-18.

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The article discusses the practical experience of modernizing the 16K20F3 tool machine for tool processing. It describes a deep modernization with a complete replacement of all drives, electrical and control systems. The goal is to consider the use of modernization of outdated metal-cutting equipment for modern technological tasks as one of the economically feasible options, alternative to the purchase of new expensive equipment. The use of aggregation allows in the process of modernization to create technological equipment for a specific group of products with the implementation of an optimal

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18

Decotignie, J. D. "Fieldbus and CNC architecture: Towards a CNC software factory." Computer Standards & Interfaces 21, no. 2 (1999): 134. http://dx.doi.org/10.1016/s0920-5489(99)92058-5.

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Liu, Lisi, Yingxue Yao, and Jianjun Du. "A universal and scalable CNC interpreter for CNC systems." International Journal of Advanced Manufacturing Technology 103, no. 9-12 (2019): 4453–66. http://dx.doi.org/10.1007/s00170-019-03913-w.

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20

Franco, Luis A., T. Dwyer Stuart, Md Shahadat Hossain, et al. "Apple Pomace-Derived Cationic Cellulose Nanocrystals for PFAS Removal from Contaminated Water." Processes 12, no. 2 (2024): 297. http://dx.doi.org/10.3390/pr12020297.

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Per- and poly-fluoroalkyl substances (PFAS) are concerning contaminants due to their ubiquity, persistence, and toxicity. Conventional PFAS water treatments such as granular activated carbon are limited by low adsorption rates and capacities. Carbon-based nano-adsorbents with enhanced surface areas address these limitations but are hindered by their high cost and toxicity. Cellulose nanocrystals (CNC) are promising PFAS adsorbents due to sustainable sourcing, large surface areas, and amenable surface properties. In this study, CNC was synthesized from the agro-food waste, apple pomace (APCNC),

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21

Zheng, De Rong, Jin Wei Fan, and Xiao Xia Liang. "Research on Reliability Growth Technology of CNC Grinding Machine." Applied Mechanics and Materials 365-366 (August 2013): 522–26. http://dx.doi.org/10.4028/www.scientific.net/amm.365-366.522.

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Based on the collected data to carry on the analysis, found that the CNC system in the CNC grinding machine fault rate, a large part of the station, the reliability growth of CNC system is studied in the paper, CNC system parameter selecting principles of reliability growth are particularly discussed. CNC system reliability ideal growth curve is settled to CNC system reliability, Thus increasing CNC system to improve the reliability of CNC grinder machine reliability is of great significance.

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22

Suyetno, Agus. "Pengaruh Penggunaan Simulator CNC Terhadap Hasil Belajar Mata Kuliah CNC Selama Masa Pandemi Covid-19 Di Jurusan Teknik Mesin Universitas Negeri Malang." Jurnal Teknik Mesin dan Pembelajaran 5, no. 1 (2022): 7. http://dx.doi.org/10.17977/um054v5i1p7-16.

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Abstrak: Swansoft CNC Simulator adalah program simulator CNC yang terdiri berbagai jenis tipe mesin CNC dan berfungsi sebagaimana mesin CNC yang sesungguhnya. Penggunaan simulator CNC diharapkan dapat membantu mahasiswa untuk memudahkan proses pembelajaran pada bidang CNC khususnya dalam masa Pandemi Covid-19. Tujuan dari penelitian ini untuk membuktikan dan mengetahui pengaruh penggunaan simulator CNC tersebut terhadap hasil belajar mata kuliah CNC selama masa pandemi Covid-19 di Jurusan Teknik Mesin Universitas Negeri Malang. Penelitian ini menggunakan metode ex post facto dan menggunakan pe

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Volosatova, Anastasia D., Svetlana V. Kameneva, and Vladimir I. Feldman. "Formation and interconversion of CCN and CNC radicals resulting from the radiation-induced decomposition of acetonitrile in solid noble gas matrices." Physical Chemistry Chemical Physics 21, no. 24 (2019): 13014–21. http://dx.doi.org/10.1039/c8cp07896c.

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ZHAO, GUOYONG, and YUGANG ZHAO. "MULTI-AXIS LINKED SERVO SYSTEM CONTOURING ERROR CONTROL APPROACH BASED ON NURBS CURVE INTERPOLATION." Journal of Advanced Manufacturing Systems 10, no. 01 (2011): 21–27. http://dx.doi.org/10.1142/s021968671100193x.

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The contouring precision of computer numerical control (CNC) machine tools relates to whether the dynamic performances among all the axes match or not. In general, the cross-coupled controller (CCC) is a more efficient approach to enhance contouring precision than single-axis servo controller. Note that the contouring error CCC can not be separated from pathway programming in multi-axis linked servo system. In order to obtain satisfied contouring precision, the CCC approach connected with non-uniform rational basis spline (NURBS) curve interpolation is researched in detail in the paper. Above

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Kao, Yung Chou, Hong Ying Chen, and Y. C. Chen. "Development of a Virtual Controller Integrating Virtual and Physical CNC." Materials Science Forum 505-507 (January 2006): 631–36. http://dx.doi.org/10.4028/www.scientific.net/msf.505-507.631.

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This paper describes the development of a virtual CNC controller. Controller is the major driver for a CNC machine. Similarly, virtual controller is the key driving component for a virtual CNC, which is a three-dimensional digitized physical CNC. A virtual CNC can exist in every PC serving as the complementary safer counterpart in lecturing and learning the hand on operation of expensive machinery such as five-axis milling machine, high speed CNC and mill-turn because the virtual CNC will not break. Virtual reality environment provided by EON studio software has been adopted in establishing th

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Huang, Hai Peng, Zhen Long Wang, and J. M. Zheng. "Development of a CNC System for Multi-Axis EDM and its Realization." Key Engineering Materials 392-394 (October 2008): 50–54. http://dx.doi.org/10.4028/www.scientific.net/kem.392-394.50.

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This paper presents a new kind of multi-axis electro-discharge machining (EDM) computer numerical control (CNC) system which is based on RT-Linux platform. Binary kernel structure of EDM CNC System is proposed to handle real-time task and time-sharing task separately. The system is divided into three parts: CNC kernel module, CNC driver module and CNC user module. CNC kernel module implements CNC control function in of the software system, and implements the move control to the NC machine. CNC driver module is just as device driver level. CNC user module is user manage procedure. The experimen

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Gan, Ivy, and Wen Shyang Chow. "Synthesis of phosphoric acid-treated sugarcane bagasse cellulose nanocrystal and its thermal properties enhancement for poly(lactic acid) nanocomposites." Journal of Thermoplastic Composite Materials 32, no. 5 (2018): 619–34. http://dx.doi.org/10.1177/0892705718772866.

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Poly(lactic acid) (PLA) nanocomposites film reinforced with cellulose nanocrystals (CNCs) extracted from sugarcane bagasse fibre (SBF) was prepared by solvent casting method. The CNCs were obtained through alkaline treatment followed by sulphuric acid hydrolysis or phosphoric acid hydrolysis. The aim of this work was to evaluate the feasibility of utilizing phosphoric acid (mild acid) to extract CNC from the SBF. The properties of the CNC were investigated by transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared (FTIR) spectroscopy. The t

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Suryono, Edy, and Burhanudin Burhanudin. "Pelatihan Pemograman CNC Berbasis Simulator Untuk Guru-Guru SMK Rumpun Teknik Pemesinan." Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming 5, no. 2 (2022): 359–65. http://dx.doi.org/10.30591/japhb.v5i2.3116.

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Computer Numerical Control (CNC) merupakan alat yang banyak digunakan di dunia manufaktur. Sehingga lulusan siswa SMK dituntut untuk menguasai dengan baik pemograman CNC. Maka, penyiapan pengajar di SMK dalam hal ini adalah guru SMK, haruslah memiliki bekal yang cukup dalam pemograman CNC. Masalah lain yang dihadapi SMK adalah kurangnya sarana pendukung pembelajaran CNC. Hal ini dikarenakan tidak tersedianya unit CNC sebagai sarana pembelajaran. Maka untuk menjembatani masalah ini adalah dengan menggunakan software pendukung pembelajaran CNC. Software sebagai sarana pembelajaran untuk menggant

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Yang, Ming-Chien, Yi-Qun Tseng, Kun-Ho Liu, et al. "Preparation of Amphiphilic Chitosan–Graphene Oxide–Cellulose Nanocrystalline Composite Hydrogels and Their Biocompatibility and Antibacterial Properties." Applied Sciences 9, no. 15 (2019): 3051. http://dx.doi.org/10.3390/app9153051.

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Environmental-friendly nanocomposite hydrogels of carboxymethyl-hexanoyl chitosan (CHC), graphene oxide (GO) and cellulose nanocrystals (CNCs) were combined to produce a bio-hydrogel with great biocompatibility and antibacterial ability. The size of the GO nanosheets was about 200–500 nm, and the CNCs had a length of 100–200 nm and a width of 10–20 nm, as shown by transmission electron microscopy (TEM). X-ray photoelectron spectroscopy (XPS) was utilized for the analysis of the oxygen functional groups of GO. The homogeneous dispersion of the CHC/GO/CNC nanocomposite hydrogel showed significan

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Pan, Siyu, and Zhaobin Qiu. "Fully Biodegradable Poly(hexamethylene succinate)/Cellulose Nanocrystals Composites with Enhanced Crystallization Rate and Mechanical Property." Polymers 13, no. 21 (2021): 3667. http://dx.doi.org/10.3390/polym13213667.

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Through a common solution and casting method, low contents of cellulose nanocrystals (CNC) reinforced biodegradable poly(hexamethylene succinate) based composites were successfully prepared for the first time. CNC homogeneously dispersed in PHS matrix at low loadings, showing no obvious aggregation. PHS/CNC composites showed high thermal stability as PHS. As a heterogeneous nucleating agent, CNC promoted the crystallization of PHS under both nonisothermal and isothermal crystallization conditions. In addition, the higher the CNC content, the faster the crystallization of PHS/CNC composites. Th

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Budimlić, Zoran, Michael Burke, Vincent Cavé, et al. "Concurrent Collections." Scientific Programming 18, no. 3-4 (2010): 203–17. http://dx.doi.org/10.1155/2010/521797.

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We introduce the Concurrent Collections (CnC) programming model. CnC supports flexible combinations of task and data parallelism while retaining determinism. CnC is implicitly parallel, with the user providing high-level operations along with semantic ordering constraints that together form a CnC graph. We formally describe the execution semantics of CnC and prove that the model guarantees deterministic computation. We evaluate the performance of CnC implementations on several applications and show that CnC offers performance and scalability equivalent to or better than that offered by lower-l

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Meier, H. "Universelle CNC-Schleifmaschinensteuerung." Zeitschrift für wirtschaftlichen Fabrikbetrieb 85, no. 2 (1990): 95–99. http://dx.doi.org/10.1515/zwf-1990-850214.

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จูมมณี, บดินเดช, พัชระ กัญจนกาญจน์, เฉลิม ขุนเอียด, รวินท์ธนัตถ์ ทิพย์เสนา та วรรณนิศา นุชคุ้ม. "อิทธิพลของอะลูมิเนียมผสมที่ส่งผลต่อขนาดรูปทรงอิสระและรูปทรงเรขาคณิต ที่ผ่านกระบวนการกัดขึ้นรูป CNC". Frontiers in Engineering Innovation Research 22, № 1 (2024): 81–92. http://dx.doi.org/10.60101/feir.2024.255000.

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งานวิจัยนี้มุ่งเน้นศึกษา อิทธิพลวัสดุที่แตกต่างของอะลูมิเนียมทั้ง 4 เกรด ได้แก่ Al5058, Al6061, Al6063, Al7075 ที่ส่งผลต่อขนาดรูปทรงอิสระและรูปทรงเรขาคณิตหลังกระบวนการการกัดขึ้นรูป (CNC) ซึ่งกำหนดความเร็วรอบในการตัดเฉือน รอบ/นาที (RPM) และอัตราป้อนของโต๊ะงาน มิลลิเมตร/นาที (mm/min) ที่เท่ากัน และ เครื่องมือในการตัดเฉือน (Cutting Tool) ที่ใช้ตัดเฉือน ก็เป็นชนิดเดียวกัน คือ (Carbide Emdmill TiAIN-COATED) พร้อมเปลี่ยน เครื่องมือในการตัดเฉือน ทุกครั้งที่ทำการเปลี่ยน เกรดอะลูมเนียมและทำการตรวจวัดขนาดโดยเครื่องสแกนประเภท Structured Light Scanner (SLS) แบบไม่สัมผัสชิ้นงานยี่ห้อ (GOM ATOS) ซึ่งนำไฟล์

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KUWATA, Hiroshi. "The Conversational CNC." Journal of the Society of Mechanical Engineers 88, no. 794 (1985): 50–54. http://dx.doi.org/10.1299/jsmemag.88.794_50.

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-, Hendra, Y. Saputra, Putri -, Hernadewita -, and Nasril -. "Perbandingan pembuatan produk menggunakan simulasi program CNC dan CNC Milling." METAL: Jurnal Sistem Mekanik dan Termal 6, no. 1 (2022): 53. http://dx.doi.org/10.25077/metal.6.1.53-59.2022.

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Rahmatullah, Rahmatullah, Arfis Amiruddin, and Sudirman Lubis. "EFFECTIVENESS OF CNC TURNING AND CNC MILLING IN MACHINING PROCESS." International Journal of Economic, Technology and Social Sciences (Injects) 2, no. 2 (2021): 575–83. http://dx.doi.org/10.53695/injects.v2i2.610.

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Technological developments and advances in the digital era are currently growing rapidly along with the times, so that they have an impact in all sectors including the manufacturing industry sector. Competition in the manufacturing industry is getting higher, both in the field of supporting equipment technology and in the production sector. This makes all interested parties and companies compete to create more technical and practical equipment. The manufacture of equipment, parts, components and manufactured products in the past still used conventional machines such as lathes, milling machines

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Ng, Shi-Wan, Wai-Ting Chong, Yee-Theng Soo, et al. "Pickering emulsion stabilized by palm-pressed fiber cellulose nanocrystal extracted by acid hydrolysis-assisted high pressure homogenization." PLOS ONE 17, no. 8 (2022): e0271512. http://dx.doi.org/10.1371/journal.pone.0271512.

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Palm pressed fibre (PPF) is a lignocellulose biomass generated from palm oil mill that is rich in cellulose. The present work aimed to combine acid hydrolysis followed by high-pressure homogenisation (HPH) to produce nanocrystal cellulose (CNC) with enhanced physicochemical properties from PPF. PPF was alkaline treated, bleached, acid hydrolysed and homogenised under high pressure condition to prepare CNC. The effects of homogenisation pressure (10, 30, 50, 70 MPa) and cycles (1, 3, 5, 7) on the particle size, zeta potential and rheological properties of CNC produced were investigated. HPH was

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Surov, Oleg V., Marina I. Voronova, Natalia V. Rubleva, Anatoly G. Zakharov, and Andrei V. Afineevskii. "SYNTHESIS AND PROPERTIES OF NANOCELLULOSE-DYE CONJUGATES." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 64, no. 2 (2021): 10–18. http://dx.doi.org/10.6060/ivkkt.20216402.6207.

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Synthesis of conjugates of cellulose nanocrystals (CNC) with chlortriazine reactive dyes (RD) has been developed. The obtained CNC-RD conjugates were characterized using a complex of modern methods: UV-Vis, IR and 13C solid state NMR spectroscopy, thermogravimetric and elemental analysis, particle size and zeta potential analysis, scanning electron and polarization optical microscopy. IR spectra of CNC-RD films show absorption bands typical of cellulose. The formation of a covalent cellulose-dye bond is confirmed by the presence of characteristic absorption bands of the resulting ether bond in

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Pomari, Andréia Aparecida do Nascimento, Thaís Larissa do Amaral Montanheiro, Cristiane Pereira de Siqueira, Rodrigo Sousa Silva, Dayane Batista Tada, and Ana Paula Lemes. "Chitosan Hydrogels Crosslinked by Genipin and Reinforced with Cellulose Nanocrystals: Production and Characterization." Journal of Composites Science 3, no. 3 (2019): 84. http://dx.doi.org/10.3390/jcs3030084.

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In this work, chitosan hydrogels crosslinked with genipin and reinforced with cellulose nanocrystals (CNC) were developed and characterized with the aim of future biomedical applications. CNC was produced by acid hydrolysis and characterized by atomic force microscopy (AFM). Chitosan/CNC nanocomposite hydrogels were produced with different CNC concentrations (w/w): 0%, 2%, 4%, and 6%. The genipin was used as a crosslinking agent in a genipin/chitosan molar proportion of 1:8. The hydrogels were characterized by porosity measurements, scanning electron microscopy (SEM), swelling test, and mechan

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Benkaddour, Abdelhaq, Eyup Can Demir, Nicole C. Jankovic, Chun Il Kim, Mark T. McDermott, and Cagri Ayranci. "A hydrophobic coating on cellulose nanocrystals improves the mechanical properties of polyamide-6 nanocomposites." Journal of Composite Materials 56, no. 11 (2022): 1775–88. http://dx.doi.org/10.1177/00219983221075418.

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Recent demands for high-performance lightweight materials have brought researchers’ attention to various nanoparticles to reinforce polymeric materials. As such, sustainable and stiff cellulose nanocrystals (CNC) have become a popular candidate as nano-reinforcements. While CNC can offer great advantages, such as high mechanical properties and low density, it might agglomerate even in hydrophilic polymers because of its strong affinity to itself (intra and intermolecular hydrogen bonds) which prevents its broader use in industrial applications. This study aims to improve the compatibility betw

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Liu, B. Y., J. Lee, D. Y. Pui, K. Ahn, and S. Gilbert. "Performance of a Laboratory Clean Room." Journal of the IEST 30, no. 5 (1987): 22–25. http://dx.doi.org/10.17764/jiet.1.30.5.twwl111g2473560r.

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The performance of a small, 52 square meter laboratory clean room at the University of Minnesota has been evaluated using a system of aerosol measuring and monitoring instruments. Aerosol in the ambient atmosphere and in the clean room has been measured simultaneously using a condensation nucleus counter and diffusion battery, a differential mobility particle sizer and two laser optical particle counters to provide concentration and size distribution data between 0.002 to 10 μm diameters. The diurnal variation of the condensation nuclei concentration in the clean room has been found to follow

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Pech-Cohuo, Soledad-Cecilia, Gonzalo Canche-Escamilla, Alex Valadez-González, Victor Vladimir Amilcar Fernández-Escamilla, and Jorge Uribe-Calderon. "Production and Modification of Cellulose Nanocrystals from Agave tequilana Weber Waste and Its Effect on the Melt Rheology of PLA." International Journal of Polymer Science 2018 (August 9, 2018): 1–14. http://dx.doi.org/10.1155/2018/3567901.

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The production and surface modification of cellulose nanocrystals (CNC) from Agave tequilana Weber waste (ATW) and their effect on the melt rheology of PLA were investigated. For that, CNC were obtained from ATW residues by acid hydrolysis and grafted with 2-ethyl hexyl acrylate (2-EHA) to promote compatibility with nonpolar polymers, such as PLA. The morphology of CNC occurred as rods, spheres, and the so-called porous network observed by scanning electron microscopy (SEM) and electron transmission microscopy (TEM), and the crystallinity of the cellulose fibers was ~73% and increased up to ~9

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Lu, Fangfang, Hairong Wang, Liang Li, Kunyu Mao, Jiahao Chen, and Haodi Yue. "Regulation and characterization of polar groups on the surfaces of cellulose nanocrystal–nanosilver hybrids." BioResources 18, no. 4 (2023): 7700–7712. http://dx.doi.org/10.15376/biores.18.4.7700-7712.

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Cellulose nanocrystals (CNCs) with a high content of polar groups were prepared via the oxidation process by controlling the amount of mixed acid, incorporating additional additive of citric acid and vitamin C as active agents, and applying ultrasonic crosslinking. Subsequently, cellulose nanocrystal–silver (CNC–Ag) nanohybrid materials were synthesized via an oxidation hydrolysis reaction, which displayed good dispersibility and high interaction, leading to the hydrogen bonding between polar groups (-OH and -COOH) on the surface of CAC–Ag nanohybrids. The positive effects of hydrogen bonding

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Wyss, Muriel, Evgueni Riaplov, John P Maier, Majdi Hochlaf та Pavel Rosmus. "The A1Π(u)←X1Σ Electronic Transition of CCN+ and CNC+". Helvetica Chimica Acta 84, № 6 (2001): 1432–40. http://dx.doi.org/10.1002/1522-2675(20010613)84:6<1432::aid-hlca1432>3.0.co;2-s.

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Cao, Shu Kun, Shang Wei Yang, Xiu Sheng Chen, Gui Cong Wang, and Wei Wei Song. "Milling Machine Design Based on Open CNC System." Applied Mechanics and Materials 52-54 (March 2011): 887–92. http://dx.doi.org/10.4028/www.scientific.net/amm.52-54.887.

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Completed structure of milling machine design based on open CNC system through the combination of multi-axis motion controller and the way of NC embedded PC. The traditional CNC milling machine combined with technology of many aspects of Precision machinery, electronics, electric drive, automatic control, automatic detection, and computer and so on. High-precision high efficiency and high flexibility of the CNC milling machine makes it has more widely applications. But there are some problems, for example, based on the traditional CNC milling system for work-piece processing is also not very c

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Vu, An Nang, Anh Mai Tran, Nghi Tuyet Nguyen, et al. "Green one-step synthesis of cellulose nanocrystal/ ZnO nanohybrid with high photocatalytic activity." Science and Technology Development Journal - Natural Sciences 5, no. 3 (2021): first. http://dx.doi.org/10.32508/stdjns.v5i3.924.

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In this work, nanohybrid of zinc oxide/ cellulose nanocrystals (ZnO/CNC) was successfully prepared by using a low cost and green method for photocatalytic degradation of methylene blue (MB). CNC had been derived through the hydrolysis reaction by citric/hydrochloric acid from the pure cellulose isolated from Vietnamese Nypa fruticans trunk. The obtained CNC with carboxyl groups could act as a stabilizing and supporting agent to anchor ZnO nanoparticles. The chemical and crystal structures, morphology, thermal and photocatalytic properties of the ZnO/CNC nanohybrid were characterized by FESEM,

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Mao, Haiquan, Chun Wei, Yongyang Gong, Shiqi Wang, and Wenwen Ding. "Mechanical and Water-Resistant Properties of Eco-Friendly Chitosan Membrane Reinforced with Cellulose Nanocrystals." Polymers 11, no. 1 (2019): 166. http://dx.doi.org/10.3390/polym11010166.

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Environmentally benign and biodegradable chitosan (CS) membranes have disadvantages such as low mechanical strength, high brittleness, poor heat resistance and poor water resistance, which limit their applications. In this paper, home-made cellulose nanocrystals (CNC) were added to CS to prepare CNC/CS composite membranes through mechanical mixing and solution casting approaches. The effects of CNC dispersion patterns and CNC contents on the properties of composite membranes were studied. The analysis of the surface and cross-section morphology of the membranes showed that the dispersion perfo

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Vlad-Cristea, Mirela Simona, Véronic Landry, Pierre Blanchet, and Claudiane Ouellet-Plamondon. "Nanocrystalline Cellulose as Effect Pigment in Clear Coatings for Wood." ISRN Nanomaterials 2013 (August 27, 2013): 1–12. http://dx.doi.org/10.1155/2013/930236.

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Nanocrystalline cellulose (CNC) is a renewable material with high potential in many applications. Due to its unique self-assembly and optical properties, CNC tends to behave as an iridescent pigment. The aim of this research was to explore the potential of CNC as an effect pigment in wood coatings. CNC-based coatings were developed from an aqueous CNC solution, a UV-curable water-based clear coating formulation, several colorants, and specialized additives. In this paper, the morphology of the resulting CNC films was investigated through circular dichroism and optical microscopy under polarize

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Ahn, So Yeon, Chengbin Yu, and Young Seok Song. "Cellulose Nanocrystal Embedded Composite Foam and Its Carbonization for Energy Application." Polymers 15, no. 16 (2023): 3454. http://dx.doi.org/10.3390/polym15163454.

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In this study, we fabricated a cellulose nanocrystal (CNC)-embedded aerogel-like chitosan foam and carbonized the 3D foam for electrical energy harvesting. The nanocrystal-supported cellulose foam can demonstrate a high surface area and porosity, homogeneous size ranging from various microscales, and a high quality of absorbing external additives. In order to prepare CNC, microcrystalline cellulose (MCC) was chemically treated with sulfuric acid. The CNC incorporates into chitosan, enhancing mechanical properties, crystallization, and generation of the aerogel-like porous structure. The weight

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Burhanudin, Burhanudin, Edy Suryono, Agung Prasetyo, Bambang Margono, Zainuddin Zainuddin, and Andrianto Rahmatulloh. "PENGEMBANGAN POLA PEMBELAJARAN PEMOGRAMAN CNC MELALUI INTEGRASI G CODE, SIMULATOR CNC DAN CAM." Abdi Masya 4, no. 2 (2023): 219–24. http://dx.doi.org/10.52561/abma.v4i2.310.

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Pemrograman CNC (Computer Numerical Control) adalah keterampilan kunci dalam industri manufaktur modern. Tujuan dari pengabdian ini adalah mengembangkan pola pembelajaran pemrograman CNC yang efektif dengan mengintegrasikan pemrograman G Code, Simulator CNC, dan Software CAM. Metode kegiatan melibatkan pelatihan pembelajaran yang mensinkronkan ketiga aspek ini untuk meningkatkan pemahaman dan keterampilan peserta. Hasil dari kegiatan ini menunjukkan peningkatan yang signifikan dalam kompetensi peserta. Peningkatan paling mencolok terjadi pada penguasaan pengoperasian Software Simulator CNC, de

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