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Journal articles on the topic 'SOF technique'

Author: Grafiati

Published: 2 June 2025

Last updated: 19 July 2025

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1

Schmitt, Vera Lucia, Regina Maria Puppin-Rontani, Fabiana Scarparo Naufel, Flávia Pardo Salata Nahsan, Mário Alexandre Coelho Sinhoreti, and Wagner Baseggio. "Effect of the Polishing Procedures on Color Stability and Surface Roughness of Composite Resins." ISRN Dentistry 2011 (July 11, 2011): 1–6. http://dx.doi.org/10.5402/2011/617672.

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Objectives. To evaluate the polishing procedures effect on color stability and surface roughness of composite resins. Methods. Specimens were distributed into 6 groups: G1: Filtek Supreme XT + PoGo; G2: Filtek Supreme XT + Sof-Lex; G3: Filtek Supreme XT + no polishing; G4: Amelogen + PoGo; G5: Amelogen + Sof-Lex.; G6: Amelogen + no polishing. Initial color values were evaluated using the CIELab scale. After polishing, surface roughness was evaluated and the specimens were stored in coffee solution at 37∘C for 7 days. The final color measurement and roughness were determined. Results. Sof-Lex r

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Li, Wei, Hong Yu Lu, and Hong Song Guo. "Experimental Study of the Effects of Fuel Quality and Pollution Control Devices on SOF and PAHs Emissions in PM for HD Diesel Engine." Advanced Materials Research 610-613 (December 2012): 1764–69. http://dx.doi.org/10.4028/www.scientific.net/amr.610-613.1764.

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The effects of fuel quality and pollution control devices on SOF and PAHs emissions in particle matter (PM) for China V heavy-duty (HD) diesel engine fueled with China III, China IV and China V diesel were studied by using soxhlet extraction technique and Gas Chromatography-Mass Spectroscopy (GC-MS) technique. Two engines used were equipped with Diesel Oxidation Convert (DOC)+Diesel Particulate Filter (DPF) and Select Catalytic Reduction (SCR) individually. It is found that the SOF mass fraction in PM rises remarkably and total PAHs concentration declines obviously with the improvement of dies

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Mohammed, Bassam Shaaban, Sayed M. Derayea, and Amal E. Hamad. "Feasible TLC-Spectro-Densitometry Technique for Simultaneous Determination of Two Hepatitis C Antiviral Drugs, Sofosbuvir and Simeprevir: Application to Combined Pharmaceutical Dosage Forms and Human Plasma." Journal of Chromatographic Science 59, no. 6 (2021): 576–83. http://dx.doi.org/10.1093/chromsci/bmab034.

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Abstract A high-performance thin-layer chromatographic method was developed and validated for the concurrent determination of simeprevir (SMV) and sofosbuvir (SOF). The chromatographic separation was attained on silica gel 60 F254 as stationary phase and ethyl acetate–hexane–methanol (5.0:4.0:1.0, v/v/v) as developing solvent with UV detection at 273 nm. The RF values were 0.67±0.02 and 0.43±0.02 for SMV and SOF, respectively. The method has been validated in respect to the guidelines of the International Conference on Harmonization. Linearity was maintained between 60–1,000 and 70–1,200 ng/ba

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Yagoubi, Mohamed. "Static Output Feedback Control Design for Descriptor Systems." Journal of Control Science and Engineering 2010 (2010): 1–8. http://dx.doi.org/10.1155/2010/482561.

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The static output feedback (SOF) synthesis problem for descriptor systems is considered in this paper. LMI-based algorithms are proposed to find potentially structured SOF gains ensuring admissibility and evenH∞performance of the closed-loop system. These algorithms are then used to propose a (descriptor) observer-basedH∞controller design method. An alternative technique for determining such separated estimation/control structure, after the design step, is also proposed. Several numerical examples, throughout the paper, demonstrate the effectiveness of the proposed algorithms.

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Lin, Jinxing, and Zhifeng Gao. "Exponential Admissibility andH∞Control of Switched Singular Time-Delay Systems: An Average Dwell Time Approach." Journal of Applied Mathematics 2012 (2012): 1–28. http://dx.doi.org/10.1155/2012/482792.

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This paper deals with the problems of exponential admissibility andH∞control for a class of continuous-time switched singular systems with time-varying delay. TheH∞controllers to be designed include both the state feedback (SF) and the static output feedback (SOF). First, by using the average dwell time scheme, the piecewise Lyapunov function, and the free-weighting matrix technique, an exponential admissibility criterion, which is not only delay-range-dependent but also decay-rate-dependent, is derived in terms of linear matrix inequalities (LMIs). A weightedH∞performance criterion is also pr

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S, Pooja Harish, Karunakara B. C, and Sumitra Reddy. "Comparison of Interproximal Reduction Techniques and Proximal Strips: An Atomic Force Microscopic and Confocal Microscopic Study." Journal of Indian Orthodontic Society 54, no. 1 (2020): 44–48. http://dx.doi.org/10.1177/0301574219885712.

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Objective: A vivo study was conducted to evaluate the surface roughness produced by two different methods: hand-held mechanical and air-rotor stripping and also by HORICO and Ortho-Organizer strips (Bengaluru, India), before and after polishing with 3M Sof-Lex Finishing Strips under Atomic Force Microscope. Methodology: Study included 44 proximal surfaces of extracted premolars divided into a control group and 3 experimental groups with 12 surfaces in each. Hand-held mechanical stripping was done by 40 passages of 6 cm long abrasive strips and air-rotor stripping using high-speed air-rotor tur

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Li, Shunming, Yuzhe Hou, Jiantao Lu, and Mengqi Feng. "A Refined Multiscale Symbolic Diverse Entropy Technique for Detecting Weak Faults in Rotating Machinery." Applied Sciences 13, no. 13 (2023): 7576. http://dx.doi.org/10.3390/app13137576.

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In rotating machinery components, it is difficult to extract incipient weak fault features directly from vibration signals. A fault feature extraction method based on refined multiscale symbolic dispersion entropy (RMSDE) is proposed. This method mainly combines symbolic coding and dynamic complexity evaluation to achieve multi-dimensional feature extraction. By constructing multiple sets of simulation signals to evaluate the correlation performance of the proposed method, the superior performance in complexity estimation, anti-noise interference and computational efficiency is mainly demonstr

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Dačić, Stefan, Aleksandar Mitić, Marija Nikolić, Milica Cenić, Nenad Stošić, and Dragica Dačić-Simonović. "The Effect of Polymerization Technique on Marginal Index of Composite Fillings in Dentin." Acta Facultatis Medicae Naissensis 33, no. 2 (2016): 127–34. http://dx.doi.org/10.1515/afmnai-2016-0014.

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Summary Polymerization contraction of composite resins has been one of the most extensively studied phenomena in dentistry in recent years. Initial polymerization by low intensity light followed by polymerization high intensity light improves marginal adaptation of composite in tooth cavities. A number of studies have verified that less marginal leakage and lower marginal index (MI) exist in relation to standard polymerization (continuous high intensity light). The aim of the study was to quantittively evaluate the bond of composite materials to dentin and determine the MI values in dentin aft

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Quilindo Méndez, Cristian David, Eduar Fernando Hoyos Zúñiga, and Gustavo Adolfo Gómez Agredo. "Efecto de la técnica de modulación M-QAM para una infraestructura de red convergente Radio sobre Fibra (RoF)." Ingeniería y Desarrollo 39, no. 1 (2021): 66–85. http://dx.doi.org/10.14482/inde.39.1.621.3821.

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The objective of the research is to analyze, at the simulation level, the effect of the M-Quadrature Amplitude Modulation (M-QAM) technique, in the downlink, for a converged Radio over Fiber (RoF) network infrastructure, implementing the Ortho-gonal Frequency Division Multiplexing (OFDM) technique and the Passive Optical Network architecture, with 10 Gbps capa-city (XG-PON). The evaluation of the effect of the M-QAM modulation technique was done through a pre-established simulation methodology and using the optsim sof-tware for the network model and tests. In the results of the research, the i

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Souza, M. M., N. Z. Saraiva, C. S. Oliveira, et al. "302 REPLACEMENT OF FETAL BOVINE SERUM WITH KNOCKOUT SERUM REPLACER AND STEM CELLS CONDITIONED MEDIUM DURING IN VITRO CULTURE OF BOVINE EMBRYOS." Reproduction, Fertility and Development 22, no. 1 (2010): 307. http://dx.doi.org/10.1071/rdv22n1ab302.

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The use of fetal bovine serum (FBS) as protein supplementation in IVP of bovine embryos has presented difficulties because it can introduce a number of pathogenic components in culture systems, can be related to the birth of calf with abnormal growth and development, and precludes the establishment of the actual nutritional needs of the embryo, because it contains an unlimited variety of substances. This study evaluated the replacement of the FBS in the medium of in vitro culture (IVC) of bovine embryos, using the knockout serum replacer (KSR) as protein supplementation and culture medium cond

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WEN, GUILIN, QING-GUO WANG, CHONG LIN, GUANGYAO LI, and XU HAN. "CHAOS SYNCHRONIZATION VIA MULTIVARIABLE PID CONTROL." International Journal of Bifurcation and Chaos 17, no. 05 (2007): 1753–58. http://dx.doi.org/10.1142/s0218127407018051.

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Synchronization via multivariable PID control is studied. Based on the descriptor approach, the problem of PID controller design is transformed to that of static output feedback (SOF) controller design. The improvement of the solvability of the Linear Matrix Inequality (LMI) is achieved, in comparison with the existing literature on designing PID controller based on the LMI technique. With the aid of the free-weighting matrix approach and the S-procedure, the synchronization criterion for a general Lur'e system is established based on the LMI technique. The feasibility of the methodology is il

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Ibrahim, Visa Musa, Zulkurnain Abdul-Malek, and Nor Asiah Muhamad. "Chemical by-Product Diagnostic Technique for Gas Insulated Switchgear Condition Monitoring." Indonesian Journal of Electrical Engineering and Computer Science 7, no. 1 (2017): 18. http://dx.doi.org/10.11591/ijeecs.v7.i1.pp18-28.

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<p>Chemical by product diagnostic technique is an efficient, cost-effective and reliable diagnostic technique for gas insulate switchgear condition monitoring in view of its high sensitivity and anti- internal and external electromagnetic interference and noise. In this research paper, coaxial simulated gas insulated switchgear chamber and four different types of artificial defect were designed to cause partial discharge that will simulate the decomposition of sulphur hexafluoride gas in the chamber when energize. Fourier transform infrared spectrometer was used as the method of chemical

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Dehkhoda, Naghmeh, Juhyeon Sim, Juseon Shin, et al. "Air Pollution Measurement and Dispersion Simulation Using Remote and In Situ Monitoring Technologies in an Industrial Complex in Busan, South Korea." Sensors 24, no. 23 (2024): 7836. https://doi.org/10.3390/s24237836.

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Rapid industrialization and the influx of human resources have led to the establishment of industrial complexes near urban areas, exposing residents to various air pollutants. This has led to a decline in air quality, impacting neighboring residential areas adversely, which highlights the urgent need to monitor air pollution in these areas. Recent advancements in technology, such as Solar Occultation Flux (SOF) and Sky Differential Optical Absorption Spectroscopy (SkyDOAS) used as remote sensing techniques and mobile extraction Fourier Transform Infrared Spectrometry (MeFTIR) used as an in sit

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Demyda-Peyrás, S., P. Peral-García, and M. Moreno-Millán. "185 OVIDUCTAL CO-CULTURE CELL DID NOT REDUCE THE RATE OF CHROMOSOMAL ABNORMALITIES IN IN VITRO-PRODUCED BOVINE EMBRYOS." Reproduction, Fertility and Development 29, no. 1 (2017): 201. http://dx.doi.org/10.1071/rdv29n1ab185.

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One of the major causes of embryo failure on in vitro-produced cattle embryos is their increased rate of chromosomal abnormalities. It was demonstrated that they can be increased by the pre- and post-environmental conditions of culture, such as the culture media and supplementation and culture atmosphere among others. Furthermore, it was suggested that the percentage of chromosomal abnormalities detected could be used as an indirect methodology to evaluate the embryo stress during culture. The use of oviduct cells in co-culture was employed as a technique that improves the embryo quality in di

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Wu, J. S., and J. H. Chen. "An Efficient Approach for Determining Forced Vibration Response Amplitudes of a MDOF System with Various Attachments." Shock and Vibration 19, no. 1 (2012): 57–79. http://dx.doi.org/10.1155/2012/457104.

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The frequency-response curve is an important information for the structural design, but the conventional time-history method for obtaining the frequency-response curve of a multi-degree-of-freedom (MDOF) system is time-consuming. Thus, this paper presents an efficient technique to determine the forced vibration response amplitudes of a multi-span beam carrying arbitrary concentrated elements. To this end, the "steady" response amplitudes|Y(x)|sof the above-mentioned MDOF system due to harmonic excitations (with the specified frequencieswe) are determined by using the numerical assembly method

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Wrenzycki, C., D. Herrmann, A. Lucas-Hahn, K. Korsawe, E. Lemme, and H. Niemann. "236 SPATIAL GENE EXPRESSION PATTERNS OF Dnmt1, Dnmt3a, AND Hdac2 IN PREIMPLANTATION EMBRYOS." Reproduction, Fertility and Development 17, no. 2 (2005): 268. http://dx.doi.org/10.1071/rdv17n2ab236.

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In mammals, DNA methylation and the modification of histones account for the major epigenetic alterations. Usually DNA methylation is associated with transcriptional silencing, which is catalyzed by two important classes of DNA methyltransferases. DNA methyltransferase 1 (Dnmt1), a maintenance enzyme, methylates hemi-methylated DNA after DNA replication. Dnmt3a and Dnmt3b are required for de novo methylation in vivo and for establishing new DNA methylation marks during development. In addition to DNA methylation, post-translational modifications of the amino termini of core histones are though

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Zulfaini and Donal Devi Amdanata. "PENGARUH FASILITAS KERJA TERHADAP PRODUKTIVITAS KANTOR DESA SEBERANG PEBENAAN DENGAN KEPUASAN KERJA SEBAGAI VARIABEL MEDIASI." AMNESIA (JURNAL MANAJEMEN SUMBER DAYA MANUSIA) 1, no. 4 (2023): 205–16. http://dx.doi.org/10.61167/amnesia.v1i4.96.

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The purpose of this research is to determine the influence of work facilities on productivity, thein fluence of work facilities on job satis faction, and thein fluence of work facilities on the productivity of village officials with job satisfaction as a mediator at Seberang Pebenaan Village Office. The population in this study consisted of employees and official sof Pebenaan Village Office, totaling 48 people. The sampling technique used non-probability sampling method (non-random sampling), namely Saturated Sampling Technique, which is a sampling technique that takes all members of the popul

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Workman, M. J., J. E. Dion, F. C. Tong, and H. J. Cloft. "Treatment of Trapped CCF by Direct Puncture of the Cavernous Sinus by Infraocular Trans-SOF Approach." Interventional Neuroradiology 8, no. 3 (2002): 299–304. http://dx.doi.org/10.1177/159101990200800310.

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We present a case of recurrent carotid-cavernous fistula after prior ipsilateral carotid artery ligation. Due to lack of endovascular access, embolization was performed by direct puncture of the cavernous sinus via a transorbital approach. Operative technique and an anatomical basis for treatment are described.

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Mahmud, Yasir, Mahmood Ahmad, Sidra Rasheed, and Muhammad Arif Nadeem. "Comparing Daclatasvir plus Sofosbuvir, with or without Ribavirin, for Hepatitis C virus genotype 3 Management." Professional Medical Journal 27, no. 04 (2020): 784–89. http://dx.doi.org/10.29309/tpmj/2020.27.04.3719.

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Objectives: to evaluate the sustained virology response rate of Daclatasvir (DCV) + Sofos (SOF) with and without Ribavirin (RBV) for 12 and 24 weeks in patients presented with advance liver disease. Study Design: Randomized control trial. Setting: Department of gastroenterology, Services hospital, Lahore. Period: January 2018 to January 2019. Material & Methods: Patients advance hepatitis genotype 3 infection was enrolled through non probability consecutive sampling technique. Main outcome variable is sustained virology response rate. SPSS version 23 was used for data analysis. Mean and st

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Subagio, Subagio. "ANALISIS VEGETASI HUTAN TAMAN NASIONAL GUNUNG RINJANI RESORT JOBEN KABUPATEN LOMBOK TIMUR." Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram 3, no. 1 (2015): 34. http://dx.doi.org/10.33394/j-ps.v3i1.1076.

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This research was aimed at analyzing the forest vegetation of National Parkin Rinjani Mountain for developing plant ecology practicum guide. This research was pure research with descriptive explorative design. This research was donein Resort Joben, Rinjani Mountain.The sample that were used in this research was taken based on the area by using area sampling technique. The data collection were analyzed by using Mullerand Dombois Ellenberg theories. Based on the analysis of the data collection, it was found that there were 44 plant sin 3 level sin individual class ifying which 34 type sofs take

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Pereira, CA, E. Eskelson, V. Cavalli, PCS Liporoni, AOC Jorge, and MA do Rego. "Streptococcus mutans Biofilm Adhesion on Composite Resin Surfaces After Different Finishing and Polishing Techniques." Operative Dentistry 36, no. 3 (2011): 311–17. http://dx.doi.org/10.2341/10-285-l.

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SUMMARY This study evaluated Streptococcus mutans biofilm adhesion on the surface of three composite resins (nanofilled, Filtek Z350, 3M ESPE, Salt Lake City, UT, USA; nanohybrid, Vit-1-escence, Ultradent Products, South Jordan, UT, USA; and microhybrid, Esthet X, Dentsply, Milford, DE, USA) following different finishing and polishing techniques. Sixty standardized samples (6 × 3 mm) of each composite were produced and randomly divided into three finishing and polishing treatments (n=20): 1) control group: composite resin surface in contact with Mylar matrix strips with no finishing or polishi

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Huang, Tzu-Jung, Tobias Kiebala, Paul Suflita, et al. "Comparative Analysis of Thermal Properties in Molybdenum Substrate to Silicon and Glass for a System-on-Foil Integration." Electronics 13, no. 10 (2024): 1818. http://dx.doi.org/10.3390/electronics13101818.

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Advanced electronics technology is moving towards smaller footprints and higher computational power. In order to achieve this, advanced packaging techniques are currently being considered, including organic, glass, and semiconductor-based substrates that allow for 2.5D or 3D integration of chips and devices. Metal-core substrates are a new alternative with similar properties to those of semiconductor-based substrates but with the added benefits of higher flexibility and metal ductility. This work comprehensively compares the thermal properties of a novel metal-based substrate, molybdenum, and

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Emanuelli, I. P., E. Razza, C. M. Barros, and M. F. G. Nogueira. "140 PRODUCTION OF RECONSTRUCTED IN VITRO PRODUCED BOVINE EMBRYOS BY INNER CELL MASS AND TROPHECTODERM AGGREGATION IN VITRO." Reproduction, Fertility and Development 23, no. 1 (2011): 174. http://dx.doi.org/10.1071/rdv23n1ab140.

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The efficiency of embryonic chimerism tends to decrease when embryos in advanced stages of development, such as morulae and blastocysts, are used. To perform the inner cell mass (ICM) transfer to a trophectoderm (TE) receptor, it is essential to use embryos at an advanced stage and blastocoel presence. This method of embryo reconstruction has been performed only by the micromanipulator microinjection method (Zheng et al. 2005 Zygote 1, 73–71; Loi et al. 2007 Trends Biotechnol. 25, 195–200; Roth et al. 1989 Biol. Reprod. 41, 675–682; and Murakami et al. 2006 Cloning Stem Cells 8, 51–60). This s

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Muthuswamy, Jayanthi, Chanda Verabadra Reddy, and Rekha Narayanaswamy. "Reinforcing optimization enabled interactive approach for liver tumor extraction in computed tomography images." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 4 (2023): 4076. http://dx.doi.org/10.11591/ijece.v13i4.pp4076-4086.

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<p>Detecting liver abnormalities is a difficult task in radiation planning and treatment. The modern development integrates medical imaging into computer techniques. This advancement has monumental effect on how medical images are interpreted and analyzed. In many circumstances, manual segmentation of liver from computerized tomography (CT) imaging is imperative, and cannot provide satisfactory results. However, there are some difficulties in segmenting the liver due to its uneven shape, fuzzy boundary and complicated structure. This leads to necessity of enabling optimization in interac

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Jayanthi, Muthuswamy, Verabadra Reddy Chanda, and Narayanaswamy Rekha. "Reinforcing optimization enabled interactive approach for liver tumor extraction in computed tomography images." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 4 (2023): 4076–86. https://doi.org/10.11591/ijece.v13i4.pp4076-4086.

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Detecting liver abnormalities is a difficult task in radiation planning and treatment. The modern development integrates medical imaging into computer techniques. This advancement has monumental effect on how medical images are interpreted and analyzed. In many circumstances, manual segmentation of liver from computerized tomography (CT) imaging is imperative, and cannot provide satisfactory results. However, there are some difficulties in segmenting the liver due to its uneven shape, fuzzy boundary and complicated structure. This leads to necessity of enabling optimization in interactive segm

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Nepop-Aidachych, L. "SYMBOLISM OF FLOWERS IN POLISH LANGUAGE AND CULTURE." Comparative studies of Slavic languages and literatures. In memory of Academician Leonid Bulakhovsky, no. 36 (2020): 48–61. http://dx.doi.org/10.17721/2075-437x.2020.36.05.

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The author explores the symbolism of flowers in the Polish language and culture. On the basis of the articles of the Dictionary of Folk Stereotypes and Symbols („Słownik stereotypów i symboli ludowych”) (Flowers Volume („Kwiaty”)), it is determined which symbolic meaning saregiven to the flower in general and to certain types of flowers, in whichgenres of folklor et hes evalues arerealized, what be camethe basis for the formation of suchmeanings. For the reconstruction of symbolic meanings boththe Polish linguistic information and the information outside the linguistic field are used, which te

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Stadler, Oliver, Christian Dettwiler, Christian Meller, Michel Dalstra, Carlalberta Verna, and Thomas Connert. "Evaluation of a Fluorescence-aided Identification Technique (FIT) to assist clean-up after orthodontic bracket debonding." Angle Orthodontist 89, no. 6 (2019): 876–82. http://dx.doi.org/10.2319/100318714.1.

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ABSTRACT Objectives: To compare a fluorescence-aided identification technique (FIT) with a conventional light source (CLS) for removing composite during debonding of brackets with respect to time needed, composite remnants, and tooth substance loss. Materials and Methods: Twelve maxillary models with 10 bovine teeth each were digitally surface-scanned and metal brackets were bonded on each tooth with Opal Seal and Opal Bond. Two operators: an experienced orthodontist (A) and an undergraduate student (B) received six models each and were asked to remove the composite remnants with a tungsten ca

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Lee, B. C., H. J. Oh, M. J. Kim, et al. "33 PROPAGATION OF ELITE LIFESAVER DOGS BY SOMATIC CELL NUCLEAR TRANSFER." Reproduction, Fertility and Development 25, no. 1 (2013): 164. http://dx.doi.org/10.1071/rdv25n1ab33.

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Canine somatic cell nuclear transfer (cSCNT) has been used as a useful tool for propagation of elite working dogs. In 2009, 7 cloned dogs were successfully produced using somatic cells derived from the excellent drug-sniffing dog of Korea Customs Service. All cloned dogs perfectly performed drug detection in Incheon International Airport. The objective of the present study was to compare the efficiency of the 2 activation culture media to clone the retired Baekdu, a veteran rescue dog that performed lifesaving activities worldwide for 6 years in Korea National Emergency Management Agency (NEMA

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Tonetto, Mateus Rodrigues, Mônica Barros Silva, André Afif Elossais, et al. "Influence of Standard Load Micro- and Nanopatterned in Surface Roughness of bleached Teeth and submitted to Different Surface Treatments." Journal of Contemporary Dental Practice 16, no. 3 (2015): 167–71. http://dx.doi.org/10.5005/jp-journals-10024-1655.

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ABSTRACT The aim of this study was evaluate the dental enamel after whitening treatment with Opalescence Boost PF™ 38%, correlating the structural alterations in the surface of the enamel with its respective pH and verify if whitened teeth submitted to different finishing and polishing techniques show similar surface texture to healthy teeth (control group). Sixty premolars were divided in 6 groups (n = 10), which had been immersed in artificial saliva during all the experiment. Protocol whitening was performed according to the manufacturer recommendations, and then the specimens were submitte

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Gambini, A., J. Jarazo, R. Olivera, and D. Salamone. "53 EFFECT OF THE TIME INTERVAL BETWEEN OVARY COLLECTION AND OOCYTE IN VITRO MATURATION ON EQUINE CLONED EMBRYO DEVELOPMENT." Reproduction, Fertility and Development 22, no. 1 (2010): 184. http://dx.doi.org/10.1071/rdv22n1ab53.

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The availability of viable equine oocytes is a limiting factor on in vitro embryo production; therefore, it is necessary to assess some of the variables that affect oocyte viability. The aim of our study was to evaluate one of those variables: the effect of time between the collection of the ovary and oocyte in vitro maturation. Ovaries of slaughtered mares were collected during the breeding season (Argentine, Southern hemisphere). They were separated in bags every half hour and treated separately after arriving at the laboratory. COCs were recovered by a combination of scraping and washing of

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Bharti, O. P., R. K. Saket, and S. K. Nagar. "Controller Design For DFIG Driven By Variable Speed Wind Turbine Using Static Output Feedback Technique." Engineering, Technology & Applied Science Research 6, no. 4 (2016): 1056–61. https://doi.org/10.5281/zenodo.60980.

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This paper describes the controller design for a DFIG based wind energy generation system using the static output feedback technique through the LMI Toolbox. The features of the DFIG, its converters and their controllers are discussed. The lower order nominal representation of DFIG is obtained using numerical differentiation of the SIMULINK model which is subsequently used for PID controller design. The obtained results are compared with existing methods for performance enhancement of the DFIG and wind energy conversion systems.  

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Alfatama, Mulham, Hazem Choukaife, Okba Al Rahal, and Nur Zahirah Mohamad Zin. "Thymoquinone Pectin Beads Produced via Electrospray: Enhancing Oral Targeted Delivery for Colorectal Cancer Therapy." Pharmaceutics 16, no. 11 (2024): 1460. http://dx.doi.org/10.3390/pharmaceutics16111460.

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Background/Objectives: Thymoquinone (TQ) exhibits diverse biological activities, but its poor solubility and bioavailability limit its cancer efficacy, requiring innovative solutions. This study explores the development of an oral delivery system targeting colon cancer based on TQ pectin beads (TQ-PBs) produced through an adjustable electrospray technique. This study hypothesised that adjusting bead diameter through the electrospray technique enables precise control over water absorption and erosion rates, thereby achieving a controlled release profile for encapsulated TQ, which enhances targe

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da Silva, F., E. Ricardo, J. Ferreira, et al. "Benchmarking 2D against 3D FDTD codes for the assessment of the measurement performance of a low field side plasma position reflectometer applicable to IDTT." Journal of Instrumentation 17, no. 01 (2022): C01017. http://dx.doi.org/10.1088/1748-0221/17/01/c01017.

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Abstract O-mode reflectometry, a technique to diagnose fusion plasmas, is foreseen as a source of real-time (RT) plasma position and shape measurements for control purposes in the coming generation of machines such as DEMO. It is, thus, of paramount importance to predict the behavior and capabilities of these new reflectometry systems using synthetic diagnostics. Finite-difference time-domain (FDTD) time-dependent codes allow for a comprehensive description of reflectometry but are computationally demanding, especially when it comes to three-dimensional (3D) simulations, which requires access

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Litzinger, T., M. Stoner, H. Hess, and A. Boehman. "Effects of oxygenated blending compounds on emissions from a turbocharged direct injection diesel engine." International Journal of Engine Research 1, no. 1 (2000): 57–70. http://dx.doi.org/10.1243/1468087001545263.

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An experimental investigation was conducted to evaluate the effect of three different oxygenated compounds, diglyme, diethyl maleate and dibutyl maleate, on emissions from a Volkswagen 1.9 litre, turbocharged, direct injection diesel engine. Sampling was performed using a mini-dilution tunnel technique to obtain particulate matter and a Fourier transform infrared (FTIR) spectrometer for gaseous emissions. The particulate samples were analysed using thermal analysis and Soxhlet extraction to determine the fraction of volatile and soluble organic material respectively. All three oxygenated compo

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Satrima, Ega Dira, and Ahyuni Ahyuni. "Perubahan Tutupan Lahan TNKS di Kawasan Resort Kambang Nagari Pelangai Gadang Kecamatan Ranah Pesisir Kabupaten Pesisir Selatan." MASALIQ 4, no. 4 (2024): 907–24. http://dx.doi.org/10.58578/masaliq.v4i4.3329.

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Kambang TNKS Resort Area Nagari Pelangai Gadang Ranah Pesisir District, Pesisir Selatan Regency is a conservation area. This type of research uses the Mixed Method method. This research is a planned, systematic, structured and measurable effort that utilizes both quantitative and qualitative research methods. The on-screen digitization technique is the process of changing geographic features on a map. The digitization process is carried out by delineating lanes and lines, delimiting the edges of existing objects. Such as roads, rivers, land parcel boundaries, buildings. The most dominating lan

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Dahmer, Débora, Sara Scandorieiro, Briani Gisele Bigotto, et al. "Multifunctional Biotechnological Lip Moisturizer for Lip Repair and Hydration: Development, In Vivo Efficacy Assessment and Sensory Analysis." Cosmetics 10, no. 6 (2023): 166. http://dx.doi.org/10.3390/cosmetics10060166.

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The demand for sustainable cosmetics leads to the search for natural and biotechnological ingredients. The present study reports the development of a multifunctional lip moisturizer containing levan (LEV) from Bacillus subtilis natto, sophorolipids (SOPs) from Starmerella bombicola and Citrus paradisi (OCP) essential oil, using a simplex-centroid experimental design. The formulations were evaluated physicochemically, pharmacotechnically and by DPPH assay. The optimized formulation was selected through the Response Surface Method, and the evaluation of its efficiency in lip hydration was carrie

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Al-Malahi, N. M., M. H. Daghestani, M. Q. Al-Ghadi, and A. R. Alhimaidi. "Gene expression at different cell stages of in vitro-fertilized bovine embryos." South African Journal of Animal Science 52, no. 1 (2022): 111–19. http://dx.doi.org/10.4314/sajas.v52i1.13.

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The birth rate of embryos produced in vitro (IVF) is still lower than that of embryos produced in vivo. Three major steps for the success of the IVF technique are maturation of immature oocytes, fertilization of matured oocytes, and culture of the resulting embryos. Studying mRNA expression in early embryonic development stages is important and can help to assess embryo quality and optimize production protocols in vitro. The current study aimed to determine the expression levels of developmentally important genes in different stages of bovine embryos produced in vitro. Cumulus-oocyte complexes

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Niknam, Ozra, Milad Shamohammadi, Zeynab Ataei, and Vahid Rakhshan. "Combined Effects of Different Bracket Bonding Adhesives and Different Resin Removal Methods on Enamel Discoloration: A Preliminary Study." International Journal of Dentistry 2023 (February 16, 2023): 1–15. http://dx.doi.org/10.1155/2023/8838264.

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Introduction. This study aimed to investigate the effects of 3 orthodontic bracket adhesives and 3 resin removal methods on enamel discoloration. Methods. Ninety metal orthodontic brackets were bonded to 90 intact human premolars, using 3 adhesives (total etch composite (Transbond), self-etch composite (OptiBond), and light-curedresin-modified glass ionomer cement (RMGI, Fuji); n = 3 × 30). Each “bracket bonding” group (n = 30) was randomly divided into three subgroups of 10 specimens each, each with a different method of remnant resin removal (using only tungsten carbide burs; using tungsten

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Catalá, M. G., D. Izquierdo, R. Romaguera, S. Hammami, M. Roura, and M. T. Paramio. "251 SELECTION OF PREPUBERTAL SHEEP OOCYTES USING BRILLIANT CRESYL BLUE TEST." Reproduction, Fertility and Development 23, no. 1 (2011): 223. http://dx.doi.org/10.1071/rdv23n1ab251.

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The aim of this study was to evaluate the utility of the brilliant cresyl blue (BCB) test as an indirect measure of oocyte growth to select competent prepubertal sheep oocytes for in vitro embryo production. The BCB stain allows the determination of glucose–6-phosphate dehydrogenase (G6PD) activity, an enzyme with decreased activity in oocytes that have finished their growth phase. Oocytes were obtained after slicing the surface of lamb ovaries (2–5 months old) obtained from a local abattoir. Oocytes with more than 3 compact cumulus layers and homogeny cytoplasm were selected and stained with

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Lassila, Lippo, Mine B. Uctasli, Kanae Wada, Pekka K. Vallittu, and Sufyan Garoushi. "Effect of different beverages and polishing techniques on colour stability of CAD/CAM composite restorative materials." Biomaterial Investigations in Dentistry 11 (April 26, 2024): 34–41. http://dx.doi.org/10.2340/biid.v11.40591.

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Objectives: The aim of this article was to compare the colour stability of short fibre-reinforced computer-assisted design/computer-assisted manufacturing (CAD/CAM) composite (SFRC CAD) to commercially available CAD/CAM materials following prolonged immersion in a variety of beverages. Furthermore, the influence of the polishing technique was evaluated. Materials and methods: A total of 120 rectangular specimens (10 mm length × 14 mm width × 2 mm thickness) were prepared from SFRC CAD, IPS e-max, Cerasmart 270, Celtra Duo, Enamic, and Brilliant Crios. The specimens underwent polishing through

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Soliman, Youssef Alaa, ELsayed Moustafa Mahmoud, Mohammed A. Gepreel, and Rania Reda Afifi. "Surface Roughness of Nanohybrid Composites with Different Monomers after Finishing and Polishing with Different Polishing Systems." Key Engineering Materials 835 (March 2020): 41–49. http://dx.doi.org/10.4028/www.scientific.net/kem.835.41.

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Background: The most frequently used monomer in commercial composite resins is bisphenol A glycidyl dimethacrylate. Bisphenol A glycidyl dimethacrylate free monomer and the long chain dimer acid based monomer were considered as an alternative method to improve mechanical and physical properties of composite resins. Objective: To study the surface roughness of different nanohybrid composites with different monomer compositions after finishing and polishing with different polishing systems. Materials and Methods: 72 composite disk specimens were prepared and divided into 3 groups (n=24) accordin

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Hashemikamangar, Sedighe Sadat, Shakiba Farahani, Shaghayegh Khoshgoo, and Parisa Doroudgar. "Comparative Efficacy of Four Stain Removal Methods for Bleach-Shade Composite Resins after Immersion in Staining Solutions: An In Vitro Study." International Journal of Dentistry 2023 (June 11, 2023): 1–7. http://dx.doi.org/10.1155/2023/8909288.

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Introduction. Bleach-shade composite resins were recently introduced to the market due to the high demand of patients for whiter teeth. This study sought to compare four stain removal methods for bleach-shade composite resins. Materials and Methods. Seventy-two discs were fabricated from each of the Filtek Z350 XT and Gradia XBW composite resins and immersed in coffee or sour cherry juice staining solutions. Each group was then divided into four subgroups to assess the efficacy of four stain removal methods (finishing with soft-lex disk “brush with pumice” bleaching with carbamide peroxide 16%

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Utami, Wahyu Jati Dyah, Sukini Sukini, Puput Sugiharto, and Miranda Gita Wahyuningtyas. "KARTU TUMBUH KEMBANG GIGI (KKGA) AS AN INNOVATION TO MONITOR CHILDREN'S TOOTH GROWTH AT POSYANDU GEDAWANG." JDHT Journal of Dental Hygiene and Therapy 5, no. 1 (2024): 8–13. http://dx.doi.org/10.36082/jdht.v5i1.1413.

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Background: The development of a child is normal or not, can be known by periodic and continuous examination and monitoring. Early detection of growth and development deviations needs to be needed to be able to detect early growth and development deviations. Research aims: Produce Teething Cards and their effective analysis of tooth growth monitoring. Teeth growth has an important role in coordinating facial growth and providing sufficient occlusion support so that the masticatory system is not disturbed, therefore the growth and development of dental health also affect children's growth and d

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Douet, C., O. Parodi, F. Reigner, P. Barrière, and G. Goudet. "249 AN EFFICIENT AND REPEATABLE IN VITRO FERTILIZATION TECHNIQUE IN THE EQUINE FOR PRESERVATION OF ENDANGERED SPECIES." Reproduction, Fertility and Development 27, no. 1 (2015): 214. http://dx.doi.org/10.1071/rdv27n1ab249.

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Most wild equids are currently endangered or threatened, as mentioned in the International Union for the Conservation of Nature Red List, and several domestic horse breeds are at risk of extinction. Genome resource banking requires cryoconservation of semen, oocytes, and/or embryos. Embryo production in equids is limited in vivo because routine induction of multiple ovulation is still ineffective. Embryo production in vitro allows the production of several embryos per cycle that could easily be frozen because of their small size. Intracytoplasmic sperm injection has been widely adopted to gene

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Cano-Orón, Lorena, Dafne Calvo, Germán Llorca-Abad, and Rosanna Mestre. "Media crisis and disinformation: the participation of digital newspapers in the dissemination of a denialist hoax." El Profesional de la Información 30, no. 4 (2021): 13. https://doi.org/10.3145/epi.2021.jul.12.

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Disinformation is a communicative phenomenon that frequently feeds on political or electoral topics, as well as other aspects of our reality. This research takes as a case study the coverage given by the Spanish digital media to a hoax broadcast during the Filomena storm in 2021 that insisted that the snow was plastic. The purpose of this work is to analyze the instrumentalization of fake information as an expression of the information media crisis in the current context of disinformation. We set out four specific objectives: (SO1) to study the spread of the hoax through the media, (SO2) to an

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Almansouri, Naser, Ahmed Samir Bakry, Mona Aly Abbassy, Amal Ibrahim Linjawi, and Ali Habib Hassan. "Evaluation of Resin Infiltration, Fluoride and the Biomimetic Mineralization of CPP-ACP in Protecting Enamel after Orthodontic Inter-Proximal Enamel Reduction." Biomimetics 8, no. 1 (2023): 82. http://dx.doi.org/10.3390/biomimetics8010082.

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Background: This study investigated the effect of using different agents for protecting enamel proximal surfaces against acidic attack after interproximal reduction (IPR) using the trans micro radiography technique. Methods: Seventy-five sound-proximal surfaces were obtained from extracted premolars for orthodontic reasons. All teeth were measured miso-distally and mounted before being stripped. The proximal surfaces of all teeth were hand stripped with single-sided diamond strips (OrthoTechnology, West Columbia, SC, USA) followed by polishing via Sof-Lex polishing strips (3M, Maplewood, MN, U

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Tang, Zhaotong, Yuchen Wang, Jie Liu, et al. "Removal and Resource Utilization of High Concentration Flue Gas Sulfur Dioxide Using Manganese Carbonate Ore." Atmosphere 14, no. 5 (2023): 835. http://dx.doi.org/10.3390/atmos14050835.

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The removal of high concentration flue gas sulfur dioxide (SO2) using manganese carbonate ore desulfurization (MCO-FGD) is a promising route that combines economic benefits and pollution control. However, the problems of intermediate oxidation and by-product control have plagued the industrial application of the MCO-FGD technique for a long time. Based on the fact that there is symbiosis of manganese and iron in natural manganese ore, in this study, small amounts of Fe(III) and MnO2 were introduced into the MCO-FGD reaction system to enhance the oxidation of SO2 to SO4− and suppress the mangan

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Vidor, Michele Machado, Rafael Perdomo Felix, Ernani Menezes Marchioro, and Luciane Hahn. "Enamel surface evaluation after bracket debonding and different resin removal methods." Dental Press Journal of Orthodontics 20, no. 2 (2015): 61–67. http://dx.doi.org/10.1590/2176-9451.20.2.061-067.oar.

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OBJECTIVE: To assess enamel surface under scanning electron microscopy (SEM) after resin removal and enamel polishing procedures following brackets debonding, as well as compare the time required for these procedures. METHODS: A total of 180 deciduous bovine incisors were used. The enamel surface of each tooth was prepared and brackets were bonded with light cured Transbond XT composite resin. Brackets were removed in a testing machine. The samples were randomized and equally distributed into nine groups according to the resin removal and polishing technique: Group 1, 30-blade tungsten carbide

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Douet, Cécile, Olivia Parodi, Nicola Antonio Martino, et al. "Exposure to follicular fluid during oocyte maturation and oviductal fluid during post-maturation does not improve in vitro embryo production in the horse." Zygote 25, no. 5 (2017): 612–30. http://dx.doi.org/10.1017/s096719941700048x.

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SummaryMost wild equids and many domestic horse breeds are at risk of extinction, so there is an urgent need for genome resource banking. Embryos cryopreservation allows the preservation of genetics from male and female and is the fastest method to restore a breed. In the equine, embryo production in vitro would allow the production of several embryos per cycle. Intracytoplasmic sperm injection (ICSI) is used to generate horse embryos, but it requires expensive equipment and expertise in micromanipulation, and blastocyst development rates remain low. No conventional in vitro fertilization (IVF

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Edward, Tanoko Matthew, Ying Weng, and Sin Yuan Lai. "SO2 Mitigation via Catalytic Oxidation using Carbonaceous Materials and Metal Oxides for Environmental Sustainability." Bulletin of Chemical Reaction Engineering & Catalysis 18, no. 4 (2023): 559–81. http://dx.doi.org/10.9767/bcrec.20031.

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The high concentration of sulfur dioxide (SO2) in the air that contributes to increasing health and environmental issues has caught the attention of all countries. Numerous tactics to regulate and lower the SO2 levels in the environment that have been applied through regulations and promising technology, progress has been obtained to decrease the SO2 concentration. Among methods for SO2 removal, one of the promising techniques used is the catalytic oxidation of SO2 to SO3, which not only reduces the SO2 concentration in the environment but also produces sulfuric acid (H2SO4). Thus, the perform

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