Spherical aberration - PowerPoint PPT Presentation


HER2 Tyrosine Kinase Inhibitor Zongertinib Phase Ia/b Trial in Solid Tumors

Study on Zongertinib, a HER2 tyrosine kinase inhibitor, in patients with HER2 aberration-positive solid tumors. The trial involves multiple centers worldwide and aims to evaluate the efficacy of Zongertinib in treating various cancers harboring HER2 mutations. Financial disclosures of lead investiga

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Evolution of Cosmic Understanding: From Flat Earth to Heliocentrism

Over millennia, human perception of the universe has transformed from viewing the sky as a dome above a flat Earth to accepting the heliocentric model proposed by Copernicus. Ancient beliefs, such as the Hebrew view of the universe, gave way to Greek philosophers' spherical Earth theory and the even

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Electrical Field Theory: Vector Analysis in Different Coordinate Systems

Explore the principles of Vector Analysis in Cartesian, Cylindrical, and Spherical coordinate systems as applied to Electrical Field Theory. Learn how to calculate differential lengths, areas, and volumes, and solve practical examples under the guidance of Prof. Dr. Ahmed Mohamed El-Sawy.

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Comets and Meteor Showers

This informative article delves into the fascinating world of comets, from their icy origins to their various locations in the solar system, including the Kuiper Belt and Oort Clouds. Discover the different types of comets, their composition, and the vast distances they travel as they orbit the Sun.

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Ancient Astronomy and Cosmologies Across Different Civilizations

Ancient civilizations like Babylonian, Assyrian, Egyptian, and Chinese had profound knowledge of astronomy, including tracking celestial events, developing calendars, and recording astronomical phenomena. The Greeks contributed to cosmology, contemplating the nature of the cosmos. Beliefs in a spher

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Understanding Spherical Mirrors: Concave and Convex Types, Image Formation, and Practical Uses

Spherical mirrors, including concave and convex types, play a crucial role in reflecting light. By exploring the properties of concave and convex mirrors, understanding image formation, and discovering their diverse applications in daily life, we can grasp the significance of these mirrors in scienc

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Understanding Reflection and Refraction of Light

Explore the fascinating world of reflection and refraction of light, delving into concepts such as the laws of reflection, real vs. virtual images, characteristics of mirror-formed images, and the types of spherical mirrors - concave and convex. Discover how light behaves when it interacts with diff

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Theoretical Derivation and Application of Nuclear Shell Model in Quantum Physics

The nuclear shell model, a fundamental concept in quantum physics, is explained in detail using Schrodinger wave equations and spherical coordinates. The model describes the behavior of nucleons in atomic nuclei based on energy values, quantum numbers, and shell closure principles. Spin-orbit intera

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Enhancing FISH Analysis Sensitivity with Highly Purified Multiple Myeloma Cells

FISH analysis is crucial in multiple myeloma diagnostics, but challenges arise due to low plasma cell detection rates. By isolating CD138+ malignant plasma cells with the EasySep system, sensitivity can be improved for more accurate genetic aberration detection in cytogenetic analyses, aiding in pat

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Understanding Heat Conduction Through Hollow Spheres in Dairy Engineering

Dr. J. Badshah, a University Professor cum Chief Scientist at Sanjay Gandhi Institute of Dairy Technology, explains the conduction through hollow spheres with varying thermal conductivity. The concept of logarithmic mean area for hollow spheres and solving numericals related to conduction through a

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Understanding Optical Telescope Types and Lens-Maker's Formula

Optical telescopes utilize lenses or mirrors to collect and focus light for imaging celestial objects. The lens-maker's formula is crucial for determining the focal length of lenses, considering factors like index of refraction and radii of curvature. Different lens configurations and materials help

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Analysis of Thin-Walled Pressure Vessels in Mechanics of Materials Engineering

Explore the key equations and stresses associated with thin-walled pressure vessels in Mechanics of Materials engineering. Understand the calculations for spherical and cylindrical vessels, outer and inner surface stresses, and the implications on material strength. Practice problems included for pr

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Hyper-Spherical Harmonics and Multi-Particle Quantum Systems

Explore the application of hyper-spherical harmonics in solving multi-particle quantum systems, focusing on permutation symmetry and splitting wave functions into radial and angular components. The approach involves using center-of-mass reference systems, Jacobi coordinates for different masses, and

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Exploring Hyperbolic Geometry and Tiling Patterns

Dive into the fascinating world of hyperbolic geometry, where angles in a triangle are less than 180 degrees and tilings exhibit negative curvature. Discover the beauty of the Hyperbolic Plane and learn about regular hyperbolic tilings characterized by Schlafli Symbols. Explore different models like

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Entamoeba histolytica: Protozoan Parasite in Digestive Tract

Entamoeba histolytica is a zoonotic protozoan parasite found in the digestive tracts of various hosts. It exists in trophozoite and cyst forms, with trophozoites containing erythrocytes and pseudopodia. The cyst stage is characterized by spherical masses discharged by trophozoites and containing chr

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Exploring Additive Manufacturing: A Revolutionary Technology

Additive manufacturing, commonly known as 3D printing, has witnessed significant advancements since its inception in the 1980s. This technology allows for the creation of three-dimensional objects through various processes like extrusion, binding, and polymerization. With the rise of accessible 3D p

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Nuclear Shapes at Critical Point of U(5)-SU(3) Phase Transition

Exploring nuclear shapes at the critical point of the U(5)-SU(3) nuclear shape phase transition using Bohr Hamiltonian with a sextic oscillator potential. The study investigates the transition from a spherical vibrator (U(5)) to a prolate rotor (SU(3)), providing insights into the Interacting Boson

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Understanding Jeans Equations in Stellar Dynamics

The Jeans Equations and Collisionless Boltzmann Equation play a crucial role in describing the distribution of stars in a gravitational potential. By applying assumptions like axial symmetry and spherical symmetry, these equations provide insights into the behavior of large systems of stars. Despite

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Understanding the Search for Ether in Physics

Maxwell's equations in 19th-century physics led to a quest for the elusive ether, a hypothetical medium that could resolve issues of relativity and explain light waves. Physicists sought to detect the ether through experiments like aberration, attempting to observe changes in light direction due to

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Simulation Assumptions and Performance Degradation Study on Beam Squint in 3GPP Meeting

Background on beam squint in conducted power of transmitted CCs causing radiative domain impairment and gain droop, with a problem statement on degradation of CC2 spherical coverage when CC1 and CC2 are separated by frequency. The study involves refined simulation assumptions to quantify radiative d

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Understanding Beam Squint Effects in 3GPP TSG-RAN-WG4 Meeting

Beam squint effects in 3GPP TSG-RAN-WG4 meeting are discussed, focusing on the degradation of spherical coverage due to frequency separation between primary and secondary component carriers. The impact on CBM inter-band DL/UL channel aggregation and intra-band CA is also explored, highlighting the n

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Topological Quintessence: Anomalous Cosmic Anisotropies and Dark Flow Directions

The consistency of Cold Dark Matter (CDM) with observational data has improved over the past decade, but tensions remain with various cosmic anomalies such as preferred anisotropy axes and dark flow directions. Topological Quintessence, a physical mechanism proposed by L. Perivolaropoulos and collab

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Understanding Gauss Law and Its Applications in Physics 2415

Explore Gauss Law and its applications in physics, including systems with spherical symmetry, cylindrical systems like coaxial cable, and flat plates. Learn about electric field lines behavior near charges and conducting surfaces, as well as dipole field lines in 3D. Discover analogies with fluid fl

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Understanding Bacterial Morphology and Simple Stain Techniques

Explore the characteristics of bacteria based on their shape and structure, grouped into spherical, rod-shaped, and helical types. Learn about bacterial smear preparation principles and the simple stain procedure for observing bacterial cells under a microscope. Discover various bacterial species an

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Introduction to Bacterial Cells Morphology in Microbiology

Bacteria are ubiquitous microorganisms with diverse shapes and arrangements. They exist as bacilli (rod-shaped), cocci (spherical), and spirilla (spiral-shaped). Actinomycetes are filamentous bacteria resembling molds. Understanding bacterial cell morphology is crucial in microbiology studies.

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Guide to Writing Spectacle Prescriptions for Patients

Learn how to write a prescription for spectacles by gathering patient information, understanding vision correction needs, prescribing spherical and aspherical lenses, testing near vision, and determining additional corrections like prism lenses. Explore the importance of history-taking, chief compla

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Measurement Technique for Meridional Circulation in Solar Activity

In this research, time-distance measurements were conducted to study meridional circulation in solar activity. The east-west signal was found to be similar to the north-south signal, prompting analysis steps involving spherical harmonics computation, image reconstruction, filtering, cross-correlatio

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Understanding Coulomb Interaction in Many-Particle Hamiltonian

Explore the treatment of Coulomb interaction in a many-particle Hamiltonian, where careful integration is crucial due to divergence issues. Learn about solving the Coulomb Hamiltonian with Slater integrals and expanding the operator on spherical harmonics for analytical solutions. Discover the signi

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Understanding Coulomb Repulsion and Slater Integrals

Dive into the intricate world of Coulomb repulsion and Slater integrals, essential concepts in quantum physics. Explore the challenges posed by the diverging Coulomb integral and the complex calculations required to evaluate these interactions. Discover how Slater integrals play a crucial role in cr

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Horizon Thermodynamics of Lovelock Black Holes by David Kubiz

Gravitational dynamics and thermodynamics in Lovelock black holes are explored in this talk, discussing free energy, universal thermodynamic behavior, Lovelock gravity, and beyond spherical symmetry. References include works on black hole thermodynamics, local Rindler horizons, and apparent horizons

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Applications of Hyper-Spherical Harmonics in Physics

Explore the utility of hyper-spherical harmonics as a natural basis for solving three-particle wave functions in physics, specifically in areas such as atomic physics, molecular physics, and systems involving three quarks. Learn about their role in reducing the complexity of problems, providing mani

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Understanding Optical Terminology and Lens Prescriptions in Eyecare

Explore optical terminology used in eye care, including explanations on diopters, refractive errors, and lens prescriptions. Learn about myopia, hyperopia, spherical and cylindrical lenses, astigmatism, and how eye size affects lens thickness. Discover the effects of different types of lenses on lig

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Understanding Geodesy: Spherical Excess and Trigonometry on a Sphere

Geodesy involves studying the geometry of curved surfaces like the Earth. On a sphere, angles and sides of triangles have unique properties leading to the concept of spherical excess and specialized trigonometric rules. Understanding these principles is key to determining areas on a sphere and solvi

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Understanding Enamel Pearls and Fluorosis: Dental Abnormalities Explained

Enamel pearls are small spherical projections on root surfaces that can lead to plaque retention and gum disease if left untreated. They are caused by abnormal enamel formation during tooth development. On the other hand, fluorosis is marked by enamel hypomineralization due to excessive fluoride ing

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Understanding Vector Calculus II Concepts with Examples by Prof. Somesh Kr. Malhotra

Explore advanced topics in vector calculus including gradient, divergence, curl, and theorems like the Divergence Theorem and Stokes' Theorem. Follow along with examples presented in Cartesian, spherical, and cylindrical coordinates to deepen your understanding of vector calculus concepts.

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Understanding Lens Defects and Aberrations in Optics

Lens defects and aberrations in optics, such as chromatic and spherical aberrations, are caused by the laws of reflection and refraction. They lead to issues like longitudinal and lateral chromatic aberration, as well as spherical aberration. Proper correction methods, like using achromats with yell

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Understanding Optical Instruments: Lenses, Images, and Magnification

Discover how combinations of lenses form images, explore thin lens equations and magnification principles, learn about compound microscopes, and understand the limits to resolution including spherical and chromatic aberrations and dispersion effects in this informative lecture on optical instruments

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Understanding Crystal Field Theory and Atomic Basis Sets

Explore the principles behind crystal field theory, including the concept of effective Hamiltonians to mimic covalent bonding in solids. Learn how to expand potentials on spherical harmonics and understand the selection rules and symmetry considerations in this theoretical framework.

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Understanding the Kohn-Sham Equations in Solid-State Physics

Delve into the intricacies of the Kohn-Sham equations in solid-state physics, exploring topics such as electronic structure of atoms, numerical realizations of density functional theory, self-consistent solutions, and more. Dive deep into the theoretical foundations and practical applications of the

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Effects of Non-Spherical Ice Crystal Shape on Modeled Properties of Thin Tropical Tropopause Layer Cirrus

This study explores the impact of non-spherical ice crystal shapes on the properties of cirrus clouds in the thin tropical tropopause layer. Incorporating realistic ice crystal shapes into models affects fall speed, growth rate, and radiative absorption, influencing the time evolution of clouds. The

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