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Artykuły w czasopismach na temat „Parabolic”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Botvynovska, Svitlana, Zhanetta Levina, and Hanna Sulimenko. "IMAGING OF A HYPERBOLIC PARABOLOID WITH TOUCHING LINE WITH THE PARABOLAL WRAPPING CONE." Management of Development of Complex Systems, no. 48 (December 20, 2021): 53–60. http://dx.doi.org/10.32347/2412-9933.2021.48.53-60.

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The paper is dedicated to architectural structures modeling by means of computer-graphics. Images on the monitor represent perspective. That’s why the images could be assessed from the most convenient points as viewer’s position is considered to be the perspective center. Non-rectilinear profile makes the structure the most impressive. The hyperbolic paraboloid surface is researched. Parabolas and hyperbolas are the only forms of its sections except for tangent planes cases. Parabolas as contact lines are reviewed. Hyperbolic paraboloid is an infinite surface that’s why only a portion of it co

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Zhu, Yuanchao, Dazhao Zhang, Yanlin Lai, and Huabiao Yan. "Shape adjustment of "FAST" active reflector." Highlights in Science, Engineering and Technology 1 (June 14, 2022): 391–400. http://dx.doi.org/10.54097/hset.v1i.493.

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Abstract. In this paper, the relevant working principle of "FAST" Chinese Eye is studied, and a mathematical model is established to solve the equation of the ideal paraboloid. The ideal paraboloid model is obtained by rotating the paraboloid around the axis in the two-dimensional plane. On this basis, the specific solutions of each question are discussed, and the parabolic equation, the receiving ratio of the feed cabin to the reflected signal, the numbering information and coordinates of the main cable node and other parameters are obtained. This paper for solving directly above the benchmar

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3

Acharya, Aviseka, Sonja Brungs, Yannick Lichterfeld, et al. "Parabolic, Flight-Induced, Acute Hypergravity and Microgravity Effects on the Beating Rate of Human Cardiomyocytes." Cells 8, no. 4 (2019): 352. http://dx.doi.org/10.3390/cells8040352.

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Functional studies of human induced pluripotent stem cell (hiPSC)-derived cardiomyocytes (hCMs) under different gravity conditions contribute to aerospace medical research. To study the effects of altered gravity on hCMs, we exposed them to acute hypergravity and microgravity phases in the presence and absence of the β-adrenoceptor isoprenalin (ISO), L-type Ca2+ channel (LTCC) agonist Bay-K8644, or LTCC blocker nifedipine, and monitored their beating rate (BR). These logistically demanding experiments were executed during the 66th Parabolic Flight Campaign of the European Space Agency. The hCM

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Stojanov, V. V., S. J. Jgalli, and V. O. Stojanov. "THE CONSTITUENT ELEMENTS STRUCTURES COVERING OF HYPERBOLIC PARABOLOID." ACADEMIC JOURNAL Series: Industrial Machine Building, Civil Engineering 1, no. 48 (2017): 54–61. http://dx.doi.org/10.26906/znp.2017.48.769.

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Hypar is a hyperbolic paraboloid representing translational ruled developable anti classical surface, i.e., the surface of negative Gaussian curvature. Shaping of the parabolic elements corresponds to buckling of the shell and the main tensile forces are arranged in the ascending direction of parabolas, and the main compression force - in the direction of the descending parabola. Composite materials are formed from the combination of two or more layered materials, each having very different properties. ANSYS Composite PrepPost software provides all the necessary functionality for the analysis

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5

Hayah, Ni, Bakri Mallo, and I. Nyoman Murdiana. "PROFIL PEMAHAMAN KONSEP MATEMATIKA DITINJAU DARI GAYA KOGNITIF FIELD INDEPENDENT (FI) DAN FIELD DEPENDENT (FD)." Aksioma 8, no. 2 (2019): 137–50. http://dx.doi.org/10.22487/aksioma.v8i2.210.

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abstrak: Penelitian ini bertujuan untuk mendeskripsikan pemahaman konsep matematika siswa kelas XI SMA Negeri 2 Dampelas dalam menyelesaikan soal pada subpokok bahasan parabola ditinjau dari gaya kognitif Field Independent (FI) dan Field Dependent (FD). Jenis penelitian ini adalah penelitian kualitatif. Subjek dalam penelitian ini terdiri dari satu siswa yang bergaya kognitif FI dan satu siswa yang bergaya kognitif FD. Hasil dari penelitian ini yaitu saat menyajikan masalah, subjek FI dan FD menuliskan hal-hal yang diketahui dan ditanyakan. Selanjutnya dalam mengklasifikasi unsur-unsur parabol

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6

Dündar, Furkan Semih. "Parabolic Numbers: A New Perspective." Journal of New Theory, no. 49 (December 31, 2024): 7–15. https://doi.org/10.53570/jnt.1526699.

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Thus far, many studies have been conducted on $p$-complex numbers. Depending on the sign of $p$, there are three cases: hyperbolic, dual, and elliptic. In the literature, dual numbers are called parabolic numbers, but they do not parameterize parabolas. Therefore, a number system that parameterizes parabolas is worth studying. This paper defines $p$ as a function of the coordinate $y$ and obtains a number system named parabolic numbers whose circles are parabolas. These parabolic numbers complete the set of number systems where circles are conic sections. Finally, this paper discusses the pros

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7

Wang, Yanbo, Yingchang Xiong, Jianming Hao, Jiaqi He, Yuchi Liu, and Xinpeng He. "Active Control Model for the “FAST” Reflecting Surface Based on Discrete Methods." Symmetry 14, no. 2 (2022): 252. http://dx.doi.org/10.3390/sym14020252.

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Radio telescopes are important for the development of society. With the advent of China’s Five-hundred-meter Aperture Spherical radio Telescope (FAST), adjusting the reflector panel to improve the reception ability is becoming an urgent problem. In this paper, an active control model of the reflector panel is established that considers the minimum sum of the radial offset of the actuator and the non-smoothness of the working paraboloid. Using the idea of discretization, the adjusted position of the main cable nodes, the ideal parabolic equation, and the expansion of each actuator are obtained

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8

Tang, Hongxin. "Parabolic Detection Algorithm of Tennis Serve Based on Video Image Analysis Technology." Security and Communication Networks 2021 (November 29, 2021): 1–9. http://dx.doi.org/10.1155/2021/7901677.

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At present, the existing algorithm for detecting the parabola of tennis serves neglects the pre-estimation of the global motion information of tennis balls, which leads to great error and low recognition rate. Therefore, a new algorithm for detecting the parabola of tennis service based on video image analysis is proposed. The global motion information is estimated in advance, and the motion feature of the target is extracted. A tennis appearance model is established by sparse representation, and the data of high-resolution tennis flight appearance model are processed by data fusion technology

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9

Al-ossmi, Laith H. M. "Beyond circular trigonometry: Parabolic functions from geometric identities." Alifmatika: Jurnal Pendidikan dan Pembelajaran Matematika 7, no. 1 (2025): 1–33. https://doi.org/10.35316/alifmatika.2025.v7i1.1-33.

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This paper presents an innovative extension of trigonometric functions to parabolic geometry, introducing the parabolic sine (sinp u) and parabolic cosine (cosp u) functions. Geometrically, sinp u and cosp u are defined via the relationship between a point on a parabola and its focus: sinp u represents the vertical displacement ratio, while cosp u corresponds to the horizontal displacement ratio, normalized by the focal distance. These functions generalize circular trigonometry to a parabolic framework, preserving key structural identities while exhibiting unique behaviors, such as fixed asymp

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10

Sharma, N. K., Ashok Kumar Mishra, and P. Rajgopal. "Design of Low-Cost Solar Parabolic Through Steam Sterilization." International Journal of Biomedical and Clinical Engineering 10, no. 1 (2021): 50–60. http://dx.doi.org/10.4018/ijbce.2021010104.

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The objective of this study is to develop a low cost solar parabolic trough that can be used for steam sterilization of medical instruments in small clinics where electricity is scarce and expensive. On the basis of theoretical concepts of parabola and focus-balanced parabola, the assembly of ribs and reflector sheet with evacuated tube and heat pipe has been done. The parabolic trough has been mounted on a trolley so that it can be moved easily according to direction of sun light. The designed solar parabolic trough was integrated with pressure cooker under various setups and experiments were

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11

Samiji, Margaret E., and Nuru R. Mlyuka. "Design, Fabrication and Performance Evaluation of Parabolic and Enhanced Solar Box Cookers in Isimani, Tanzania." Tanzania Journal of Science 50, no. 3 (2024): 650–60. http://dx.doi.org/10.4314/tjs.v50i3.19.

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Clean cooking energy is a global priority, especially in developing countries where firewood and charcoal remain the primary cooking fuels. Solar cooking is an attractive alternative in these countries since it is eco-friendly and utilises freely available solar radiation. Utilisation of solar cookers however is still very low mainly due to the perceived complexity and lack of confidence in the available solar cooker models. In this work, the enhanced box and parabolic solar cookers were designed, fabricated and tested taking into consideration standard solar cookers and local cooking requirem

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12

Stavek, Jiri. "Newton’s Parabola Observed from Pappus’ Directrix, Apollonius’ Pedal Curve (Line), Newton’s Evolute, Leibniz’s Subtangent and Subnormal, Castillon’s Cardioid, and Ptolemy’s Circle (Hodograph) (09.02.2019)." Applied Physics Research 11, no. 2 (2019): 30. http://dx.doi.org/10.5539/apr.v11n2p30.

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Johannes Kepler and Isaac Newton inspired generations of researchers to study properties of elliptic, hyperbolic, and parabolic paths of planets and other astronomical objects orbiting around the Sun. The books of these two Old Masters &ldquo;Astronomia Nova&rdquo; and &ldquo;Principia&hellip;&rdquo; were originally written in the geometrical language. However, the following generations of researchers translated the geometrical language of these Old Masters into the infinitesimal calculus independently discovered by Newton and Leibniz. In our attempt we will try to return b

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13

Pathan, Alex. "Euler’s and Barker’s equations: A geometric derivation of the time of flight along parabolic trajectories." Mathematical Gazette 92, no. 523 (2008): 39–49. http://dx.doi.org/10.1017/s0025557200182506.

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The parabolic orbit is rarely found in nature although the orbits of some comets have been observed to be very close to parabolic. The parabola is of interest mathematically because it represents the boundary between the open and closed orbit forms. An object moving along a parabolic path is on a oneway trip to infinity never being able to retrace the same orbit again. The velocity of such an object is the escape velocity and its total energy is zero.

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14

Petkov, Emiliyan G. "Development and Implementation of NURBS Models of Quadratic Curves and Surfaces." Serdica Journal of Computing 3, no. 4 (2010): 425–48. http://dx.doi.org/10.55630/sjc.2009.3.425-448.

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This article goes into the development of NURBS models of quadratic curves and surfaces. Curves and surfaces which could be represented by one general equation (one for the curves and one for the surfaces) are addressed. The research examines the curves: ellipse, parabola and hyperbola, the surfaces: ellipsoid, paraboloid, hyperboloid, double hyperboloid, hyperbolic paraboloid and cone, and the cylinders: elliptic, parabolic and hyperbolic. Many real objects which have to be modeled in 3D applications possess specific features. Because of this these geometric objects have been chosen. Using th

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15

SANDI, EFRI, AODAH DIAMAH, and ARDI IMAM SANTOSO. "Desain Antena Reflektor Parabola untuk Aplikasi Radar Maritim dengan Rekayasa Feed Horn." ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 11, no. 2 (2023): 451. http://dx.doi.org/10.26760/elkomika.v11i2.451.

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ABSTRAKPada studi ini dilakukan analisis penambahan batang metal berbentuk persegi di dalam feed horn piramida antena reflektor parabola untuk meningkatkan performansi gain, beamwidth dan side lobe level. Kebutuhan utama antena radar maritim adalah memiliki gain yang besar ≥ 27 dB, beamwidth kecil ≤ 2o, dan side lobe level yang rendah ≤ -30 dB. Oleh karena itu, perlu diajukan teknik desain antena parabola dengan penambahan batang metal berbentuk persegi di dalam feed horn piramida untuk meningkatkan performasi gain, beamwidth dan side lobe level. Hasilnya dapat meningkatkan gain antena reflekt

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16

Chiuini, Michele. "The parabola of the parabolic arch." IABSE Symposium Report 104, no. 10 (2015): 1–7. http://dx.doi.org/10.2749/222137815815775439.

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Li, Jianhe, Honggang Li, Xiaoguang Guo, Renke Kang, and Shang Gao. "Effect of Wheel Path in Raster Grinding on Surface Accuracy of an Off-Axis Parabolic Mirror." Applied Sciences 13, no. 19 (2023): 11096. http://dx.doi.org/10.3390/app131911096.

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Off-axis parabolic mirrors have extensive applications in X-ray optics, with the precision of their curvature directly impacting grazing-incidence focusing performance. Notably, the off-axis parabolic surface has non-rotating and non-symmetrical characteristics. Ultra-precision raster grinding utilizing a diamond wheel is a common method. Crucially, establishing an optimal wheel path stands as the key to ensuring surface accuracy during off-axis paraboloid grinding. In this study, according to the double curvature property of an off-axis parabolic surface, two different wheel paths were compar

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18

Abdulrahim, A.T, I.S Diso, and A. M. EL-Jummah. "SOLAR CONCENTRATORS' DEVELOPMENTS IN NIGERIA: A REVIEW." Continental J. Engineering Sciences 5, no. 1 (2010): 38–45. https://doi.org/10.5281/zenodo.833739.

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The use of concentrators in the forms of solar energy collectors in order to concentrate sunrays for better usage is on the increase worldwide. To this effect, different types of solar concentrators have being developed over the years for various applications. The present study reviewed the various solar concentrators developed in Nigeria such as the parabolic fresnel concentrator, paraboloid solar cooker, parabolic trough collector, conical concentrator, compound parabolic solar concentrator and solar tracking bi-focal collectors. It identified their level of performance and limitations, and

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Abdulrahim, A.T, I.S Diso, and A. M. EL-Jummah. "SOLAR CONCENTRATORS' DEVELOPMENTS IN NIGERIA: A REVIEW." Continental J. Engineering Sciences 6, no. 3 (2011): 30–37. https://doi.org/10.5281/zenodo.833983.

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The use of concentrators in the forms of solar energy collectors in order to concentrate sunrays for better usage is on the increase world wide. To this effect, different types of solar concentrators have being developed over the years for various applications. The present study reviewed the various solar concentrators developed in Nigeria such as the parabolic fresnel concentrator, paraboloid solar cooker, parabolic trough collector, conical concentrator, compound parabolic solar concentrator and solar tracking bi-focal collectors. It identified their level of performance and limitations, and

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20

Mishra, Rozy, and Suresh Kumar Sahani. "Modern Designs Using Parabolic Curves as a New Paradigm for Sophisticated Architecture." Asian Journal of Science, Technology, Engineering, and Art 2, no. 5 (2024): 772–83. http://dx.doi.org/10.58578/ajstea.v2i5.3879.

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This research investigates the spatial aspects of architecture through the practical use of parabolic curves, suggesting that these curves are an architectural advancement in the direction of the creation of complex, efficient and beautiful buildings. Focused on material properties and environmental concerns, as well as the strength of the structure, the study explores the use of parabolic geometry in modern architecture. The integration of case studies, computational modeling, and theoretical analysis is done in an interdisciplinary context. The study comprises: 1) Theoretical Framework: A su

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Schruth, David M. "Parabolic completions in gibbon duets may signal appreciation of projectile motion." Journal of the Acoustical Society of America 152, no. 4 (2022): A71. http://dx.doi.org/10.1121/10.0015580.

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Most gibbon species produce salient duet calls at daybreak. Duets start with low frequency barks by males, followed by the female great call, and end with a short, and often complex, male-dominated coda. The female great call itself typically climaxes via a crescendoing increase in pitch, tempo, or both and characteristically features bilaterally symmetrical parabolic structures, which can manifest both in the distribution of vocal units over time as well as in frequency. Male codas appear to anticipate and even complete many of these female-initiated parabolas. Employing spectrograms of speci

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Naufal, Muhamad, Tannie Wiyuna, Annisa Deutschlant Bintarum, and Ahmad Fakhri Burhanudin. "Desain Simulasi Gerak Parabola Sebagai Pemanfaatan Pembelajaran Fisika SMA Kelas X Menggunakan Pygame." Mitra Pilar: Jurnal Pendidikan, Inovasi, dan Terapan Teknologi 1, no. 2 (2022): 155–70. http://dx.doi.org/10.58797/pilar.0102.08.

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Abstract In presenting learning media, teachers use various interesting simulations for their students. This research aims to develop learning media through interactive simulations on parabolic motion material. Parabolic motion is a two-dimensional motion that requires accurate analysis to understand it. Pygame is a Python programming language specifically written to make games. The development procedure uses a four-D model, which consists of the defining, designing, developing, and deploying stages. The results showed that interactive simulation learning media could be used for student learni

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Guerrero-Turrubiates, Jose de Jesus, Ivan Cruz-Aceves, Sergio Ledesma, et al. "Fast Parabola Detection Using Estimation of Distribution Algorithms." Computational and Mathematical Methods in Medicine 2017 (2017): 1–13. http://dx.doi.org/10.1155/2017/6494390.

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This paper presents a new method based on Estimation of Distribution Algorithms (EDAs) to detect parabolic shapes in synthetic and medical images. The method computes a virtual parabola using three random boundary pixels to calculate the constant values of the generic parabola equation. The resulting parabola is evaluated by matching it with the parabolic shape in the input image by using the Hadamard product as fitness function. This proposed method is evaluated in terms of computational time and compared with two implementations of the generalized Hough transform and RANSAC method for parabo

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Otakhonov, Maqsud, Dinislam Atakulov, Ilkhomjon Zokirov, and Quvonch Xudoyshukurov. "Parametr of a parabola-shaped canal method of determinaton." E3S Web of Conferences 587 (2024): 01005. http://dx.doi.org/10.1051/e3sconf/202458701005.

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This article presents a method for determining the parabolic parameter of a channel with a parabolic cross-section. Several sections of earthen canals were selected. The research was carried out in natural field conditions using a high-precision measuring device “Son tek S5”. The data obtained as a result of the research were analyzed mathematically and statistically. Accordingly, it was determined that the parabola parameter changes from 31.43 to 43.40. field conditions are highlighted.

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Alhafiz, Revi, Diswandi Nurba, and Devianti Devianti. "Modifikasi Pengering Efek Rumah Kaca (ERK) Atap Parabolik untuk Kacang Tanah (Arachis hypogaeai L.)." Jurnal Ilmiah Mahasiswa Pertanian 7, no. 2 (2022): 480–89. http://dx.doi.org/10.17969/jimfp.v7i2.19796.

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Abstrak. Tujuan dari penelitian ini untuk melakukan desain dan rancang bangun serta pengujian fungsional terhadap pengering Efek Rumah Kaca (ERK) atap parabolik untuk kacang tanah (Arachis hypogaeai L.). Penelitian ini dilaksanakan pada bulan April sampai Oktober 2021, bertempat di Laboratorium Perbengkelan Alat dan Mesin Pertanian Program Studi Teknik Pertanian Fakultas Pertanian Universitas Syiah Kuala Darussalam Banda Aceh. Metode yang dilakukan pada penelitian ini adalah mendesain pengering Efek Rumah Kaca (ERK) atap parabolik menggunakan software SolidWorks 2017. Selanjutnya, rancang bang

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Najman, B. "Quasilinear parabolic-parabolic singular perturbations." Nonlinear Analysis: Theory, Methods & Applications 26, no. 2 (1996): 277–97. http://dx.doi.org/10.1016/0362-546x(94)00280-u.

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Ahmadi, Mohammad Taghi, Zaharah Johari, N. Aziziah Amin, Amir Hossein Fallahpour, and Razali Ismail. "Graphene Nanoribbon Conductance Model in Parabolic Band Structure." Journal of Nanomaterials 2010 (2010): 1–4. http://dx.doi.org/10.1155/2010/753738.

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Many experimental measurements have been done on GNR conductance. In this paper, analytical model of GNR conductance is presented. Moreover, comparison with published data which illustrates good agreement between them is studied. Conductance of GNR as a one-dimensional device channel with parabolic band structures near the charge neutrality point is improved. Based on quantum confinement effect, the conductance of GNR in parabolic part of the band structure, also the temperature-dependent conductance which displays minimum conductance near the charge neutrality point are calculated. Graphene n

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Sun, Qiyao. "Research on Shape Adjustment of Large Aperture Reflector Based on Differential Equation." Highlights in Science, Engineering and Technology 38 (March 16, 2023): 76–81. http://dx.doi.org/10.54097/hset.v38i.5736.

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The FAST active reflector can transform the reference state's spherical surface into the working condition's parabolic surface by adjusting the system so that the radio telescope has high sensitivity. This paper mainly studies the structure of the ideal paraboloid in the working state and the influence of various factors of the adjustment system on signal reception. The primary cable node distribution model is established based on the paraboloid equation and coordinate rotation. The optimization model, the difference method and the stochastic simulation are used to solve the problem. Firstly,

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Azzahra, Camelia, Entin Halimah Subekti, and Bayu Setiaji. "FISIKA DALAM PERMAINAN BOLA VOLI: PENGARUH BESAR SUDUT TERHADAP SERVIS BAWAH DITINJAU DARI GERAK PARABOLA." JURNAL PEMBELAJARAN FISIKA 12, no. 1 (2023): 23. http://dx.doi.org/10.19184/jpf.v12i1.37959.

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Parabolic motion is the curved motion of an object whose trajectory is a  parabola. In objects that experience parabolic motion, objects will experience the  farthest distance and the highest point. The farthest distance traveled by an object in  motion with a parabolic trajectory is influenced by the elevation angle formed, this is  because the velocity in the direction of the x-axis and the velocity in the direction of  the y-axis are affected by the magnitude of the angle of elevation formed. The purpose  of this study is to analyze the motion of the para

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30

Dzhydzhora, Yevhen. "THE PARABOLIC STRUCTURE OF GOSPEL PARABLES." Odessa National University Herald. Series: Philology 27, no. 1(25) (2023): 19–27. http://dx.doi.org/10.18524/2307-8332.2022.1(25).283133.

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The article is devoted to the analysis of the special parabolic structure of the evangelical parables. It is not only about the actual literary understanding of the parabola as a stylistic device, with the help of which foreign language expression is carried out, but also about a mathematical graph – a curved curve, divided at the point of intersection into two symmetrical branches. In the structure of the evangelical parable, these branches can be represented as real-factographic and symbolic interpretive plans, between which there is a direct semantic dependence. All narrative situations tha

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Mijajlovic, Z., N. Pejovic, G. Damljanovic, and D. Ciric. "Envelopes of cometary orbits." Serbian Astronomical Journal, no. 177 (2008): 101–7. http://dx.doi.org/10.2298/saj0877101m.

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We discuss cometary orbits from the standpoint of Nonstandard (Leibnitz) analysis, a relatively new branch of mathematics. In particular, we consider parabolic cometary paths. It appears that, in a sense, every parabola is an ellipse.

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Tarya, Ayi, Harish H. Maulamulki, Ivonne M. Radjawane, and Hanif S. Sutiyoso. "Pengaruh Pasang Surut Terhadap Profil Kecepatan Arus Melintang Di Sungai Berau, Kalimantan Timur." Buletin Oseanografi Marina 12, no. 1 (2022): 65–77. http://dx.doi.org/10.14710/buloma.v12i1.45438.

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Profil kecepatan arus melintang pada aliran sungai merupakan parameter penting yang diperoleh dalam pengukuran debit sungai dengan instrumen Horizontal Acoustic Doppler Current Profiler (H‐ADCP). Dinamika sirkulasi arus di aliran sungai dibangkitkan oleh interaksi antara debit sungai, topografi dan pasang surut. Sungai Berau di Kalimantan Timur merupakan salah satu aliran sungai yang dominan dipengaruhi oleh pasang surut. Penelitian ini bertujuan untuk mengetahui pengaruh pasang surut terhadap variasi profil kecepatan arus melintang sungai dan identifikasi tingkat kecocokan antara profil data

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Zhang, Z. Y., Y. Liang, Y. P. Hou, and Q. Wang. "Designing a warehouse internal layout using a parabolic aisles based method." Advances in Production Engineering & Management 16, no. 2 (2021): 223–39. http://dx.doi.org/10.14743/apem2021.2.396.

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Refined layout is a basis of warehousing efficiency. Straight aisle is a typical feature of current warehouse internal layouts. The purpose of this paper is to explore the possibility of using curve aisles for warehouse layout. By Choosing typical non-traditional layouts and transforming their inclined cross-aisle trajectory into parabola, two parabolic aisle layouts, parabolic Flying-V and parabolic Fishbone, are constructed. For unit-load warehouses, based on the morphological characteristic analysis and the parabolic types selection, the picking distance model and the cross-aisle length for

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Zhang, Z. Y., Y. Liang, Y. P. Hou, and Q. Wang. "Designing a warehouse internal layout using a parabolic aisles based method." Advances in Production Engineering & Management 16, no. 2 (2021): 223–39. http://dx.doi.org/10.14743/apem2021.2.396.

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Refined layout is a basis of warehousing efficiency. Straight aisle is a typical feature of current warehouse internal layouts. The purpose of this paper is to explore the possibility of using curve aisles for warehouse layout. By Choosing typical non-traditional layouts and transforming their inclined cross-aisle trajectory into parabola, two parabolic aisle layouts, parabolic Flying-V and parabolic Fishbone, are constructed. For unit-load warehouses, based on the morphological characteristic analysis and the parabolic types selection, the picking distance model and the cross-aisle length for

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Pletser, Vladimir. "Are aircraft parabolic flights really parabolic?" Acta Astronautica 89 (August 2013): 226–28. http://dx.doi.org/10.1016/j.actaastro.2013.04.019.

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Żyto, Kamila. "„Chyba w ten sposób toczy się ta ludzka komedia przez całe pokolenia drogą na Zachód i przez pustynie”. Paraboliczność w kinie braci Coen." Załącznik Kulturoznawczy, no. 9 (2022): 685–718. http://dx.doi.org/10.21697/zk.2022.9.35.

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The Coen brothers stylized films, full of quotations and borrowings, are for many scholars the quintessence of a postmodern game with remnants, interpretive openness, and ambiguity. This fact does not incline to look in these films for the rules governing the world or human existence what is typical of parabolic thinking. The article is an attempt to demonstrate that the makers of the Oscar-winning Fargo (Fargo, 1996) often use in their work elements, tricks, or strategies typical of a traditional parabola, though their films may often be read as its contemporary invariants. Numerous Coens’ fi

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Hidayati, Destia Wahyu, and Arie Wahyuni. "Analisis kemampuan pembuktian matematis parabola menggunakan guided learning berdasarkan tingkat resiliensi." Jurnal Inovasi Pendidikan Matematika (JIPM) 2, no. 2 (2020): 121–30. http://dx.doi.org/10.37729/jipm.v2i2.6713.

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One of the geometry materials at the high school level is a parabolic. The ability to prove parabolic formulas is needed by students majoring in Mathematics Education who will become mathematics teachers after graduating. Having an understanding of proof of the formula will make learning more meaningful. The purpose of this research is to find out a description of the proof of parabolic formula based on high, medium, and low resilience levels, so that various obstacles can be overcome early. This research is qualitative research. Data collection techniques used resilience questionnaires, test

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NEMENKO, A. V., and M. M. NIKITIN. "APPLICATION OF ELASTIC DEFORMATIONS TO PARABOLOIDAL SURFACE MAKING." Fundamental and Applied Problems of Engineering and Technology 3 (2020): 11–19. http://dx.doi.org/10.33979/2073-7408-2020-341-3-11-19.

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The transformation of a spherical concave mirror into a parabolic one with the help of elastic bending deformations is considered. The magnitude and direction of the load, which creates the necessary bend for transforming the mirror with the given parameters, are determined. Uneven material removal during machining is replaced by the bend of an optically accurate spherical surface already obtained. The application of the results to the creation of an active control system for the shaping of the surface of a paraboloid of rotation is considered. The proposed finishing technology is aimed at sol

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Lyachek, Yuliy. "An Efficient Method for Forming Parabolic Curves and Surfaces." Mathematics 8, no. 4 (2020): 592. http://dx.doi.org/10.3390/math8040592.

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A new method for the formation of parabolic curves and surfaces is proposed. It does not impose restrictions on the relative positions in space of the sequence of reference points relative to each other, meaning it compares favorably with other prototypes. The disadvantages of the Overhauser and Brever–Anderson methods are noted. The method allows one to effectively form and edit curves and surfaces when changing the coordinates of any given point. This positive effect is achieved due to the appropriate choice of local coordinate systems for the mathematical description of each parabola, which

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Atifah, Nailul, Sunny Ineza Putri, Sa'adah Meilufi, and Adlinsyah Hakim Syawaluddin. "Analisis Transien Pada Parabolic Trough Reflector Solar Water Heater." Jurnal Inovasi Ilmu Pengetahuan dan Teknologi 5, no. 1 (2023): 22. http://dx.doi.org/10.32493/jiptek.v5i1.35239.

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Salah satu sumber energi terbarukan yang melimpah adalah energi matahari. Hal ini dikarenakan Indonesia terletak pada garis khatulistiwa. Intensitas rata-rata radiasi matahari untuk wilayah Jabodetabek adalah sekitar 4,98334 sampai dengan 5,02111 kWh/m2/hari. Pemanfaatan energi matahari dengan sistem termal bekerja dengan mengonversi radiasi matahari menjadi energi panas. Panas matahari dapat dimanfaatkan dengan teknologi solar kolektor. Salah satu tipe solar collector adalah reflector yang berbentuk parabolic trough. Tipe ini memantulkan radiasi matahari menuju ke titik fokus yang tersusun me

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Tibebu, Solomon, and Arkbom Hailu. "Design, Construction, and Evaluation of the Performance of Dual-Axis Sun Trucker Parabolic Solar Cooker and Comparison of Cooker." Journal of Renewable Energy 2021 (September 6, 2021): 1–10. http://dx.doi.org/10.1155/2021/8944722.

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Energy demand is increasing due to population increment and industrialization. To meet this energy demand, technologies that use renewable energy such as solar energy are being developed. A parabolic solar cooker is one of the main solar cookers, which can cook food and boil water at a high temperature within a short period. This study aimed to design, construct, and evaluate the performance of the constructed parabolic solar cookers. Moreover, this study aimed to compare the constructed cooker with firewood, charcoal, kerosene, and electricity in terms of cooking time and energy cost. The coo

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Вышнепольский, Владимир, Vladimir Vyshnepol'skiy, К. Киршанов, K. Kirshanov, К. Егиазарян, and K. Egiazaryan. "Loci of Points Equally Spaced From Two Given Geometrical Figures. Part 3." Geometry & Graphics 6, no. 4 (2019): 3–19. http://dx.doi.org/10.12737/article_5c21f207bfd6e4.78537377.

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The loci (L) equally spaced from a sphere and a straight line, and from a conic surface and a plane, are considered. The following options have been considered. The straight line passes through the center of the sphere (a = 0), at the same time completely at spheres’ positive radiuses a surface of rotation is obtained, forming which the parabola is, and a rotation axis – this straight line. The parabola’s top forms the biggest parallel on the site points of intersection of the parabola’s forming with the rotation axis. Let's call such paraboloid a perpendicular paraboloid of rotation. The stra

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García-Moreno, F., S. T. Tobin, M. Mukherjee, et al. "Analysis of liquid metal foams through X-ray radioscopy and microgravity experiments." Soft Matter 10, no. 36 (2014): 6955–62. http://dx.doi.org/10.1039/c4sm00467a.

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The foaming process of a thixocast AlSi6Cu4 precursor material followed in situ by X-ray radioscopy shown for different experimental stages with and without drainage during the plane parabolic trajectory and the corresponding temperature T(t) (red line) and gravity g(t) profiles (blue line) during the parabolas.

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Persson, Jeanette, Per-Olov Käll, and Mats Nygren. "Parabolic-non-parabolic oxidation kinetics of Si3N4." Journal of the European Ceramic Society 12, no. 3 (1993): 177–84. http://dx.doi.org/10.1016/0955-2219(93)90119-c.

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Čap, Andreas, and Tomáš Salač. "Parabolic conformally symplectic structures II: parabolic contactification." Annali di Matematica Pura ed Applicata (1923 -) 197, no. 4 (2017): 1175–99. http://dx.doi.org/10.1007/s10231-017-0719-3.

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Suter, C., S. Tembhurne, I. Holmes-Gentle, and S. Haussener. "Optical characterization of a solar concentrating dish system." Journal of Physics: Conference Series 2766, no. 1 (2024): 012094. http://dx.doi.org/10.1088/1742-6596/2766/1/012094.

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Abstract Solar dishes concentrate the quasi-collimated sun light towards a focal point. Typically, the optical characterization consists of experimental flux map measurements and Monte-Carlo ray-tracing (MCRT) simulations, which are fitted based on experimental data and serve for the prediction of the distribution of the irradiation in receivers or reactors. However, the MCRT simulations usually rely on idealized mirror geometries (i.e. parabolic mirrors), neglecting the actual dish geometry resulting from its construction method (such as petals, facets or segments). Thus, the parameter fittin

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A. B, BANDE, GARBA M. M, ALIYU S, HAMZA B.S, and SHEHU A. "PERFORMANCE EVALUATION OF PARABOLIC CONCENTRATOR WITH THERMAL STORAGE SYSTEM FOR DOMESTIC APPLICATIONS." BIMA JOURNAL OF SCIENCE AND TECHNOLOGY (2536-6041) 6, no. 01 (2022): 29–40. http://dx.doi.org/10.56892/bimajst.v6i01.311.

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Solar energy is a free natural resource but its harvesting requires a high capital investment whichprohibits its maximum exploitation. A Parabolic Dish Solar Collector (PDSC) with a thermalstorage system was been constructed and developed to harness solar beam radiation. The thermalstorage system and PDSC were constructed using locally and less cost materials such asgalvanized metal sheet and steel rods curved to obey the equation of a parabola then weldedtogether with circular support rings which was then lined with stainless steel reflector pasted forthe construction of PDSC. The receiver wa

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Chiyo, Yutaro. "Large time behavior in a quasilinear parabolic-parabolic-elliptic attraction-repulsion chemotaxis system." Archivum Mathematicum, no. 2 (2023): 163–71. http://dx.doi.org/10.5817/am2023-2-163.

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Greco, Francesco, Luigi Boccia, Emilio Arnieri, and Giandomenico Amendola. "A Ka-Band Cylindrical Paneled Reflectarray Antenna." Electronics 8, no. 6 (2019): 654. http://dx.doi.org/10.3390/electronics8060654.

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Cylindrical parabolic reflectors have been widely used in those applications requiring high gain antennas. Their design is dictated by the geometric relation of the parabola, which relate the feed location, f, to the radiating aperture, D. In this work, the use of reflectarrays is proposed to increase D without changing the feed location. In the proposed approach, the reflecting surface is loaded with dielectric panels where the phase of the reflected field is controlled using continuous metal strips of variable widths. This solution is enabled by the cylindrical symmetry and, with respect to

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NUGROHO, YOSAN AGENG, and WALUYO WALUYO. "Investigasi Sagging Metoda Parabola pada Saluran Transmisi Terhadap Parameter Temperatur pada Saluran 150 Kv pada Gardu Induk Cigereleng." MIND Journal 6, no. 1 (2021): 46–56. http://dx.doi.org/10.26760/mindjournal.v6i1.46-56.

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AbstrakAndongan adalah bentangan kawat konduktor dari dua ujung titik terendah ditarik garis lurus konduktor tersebut sehingga terbentuk lengkungan kebawah, kekuatan tarik pada andongan berfungsi untuk menahan dari kedua ujung kawat konduktor yang dibentangkan. Besar suatu nilai andongan dapat dilihat dari temperature pada sekeliling saluran transmisi, sehingga siang hari panjang kawat konduktor akan sedikit memanjang diakibatkan sinar matahari, dan sebaliknya malam hari. Untuk mempermudah perhitungan dan analisis andongan dengan menggunakan metoda parabola pada saluran transmisi 150 Kv, denga

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