نتایج جستجو برای: periodic table
تعداد نتایج: 198946 فیلتر نتایج به سال:
Connectors are the glue for combining components and are a critical aspect of software architecture design. Providing a framework similar in spirit to that of the periodic table of chemical elements, this work strives to obtain a set of high level canonical properties that can describe all possible connectors and allow operations to be de ned over them. Connector factorization obtains a new con...
To start this discussion meeting on the new chemistry of the elements held on 12 May 2014, Martyn Poliakoff, Foreign Secretary of the Royal Society, was invited to give the opening remarks. As a chemist and a presenter of the popular online video channel 'The periodic table of videos', Martyn communicates his personal and professional interest in the elements to the public, who in turn use thes...
When applying model-driven architecture to component models, a significant issue is to address challenges such as component architecture transformation, compositional consistency analysis, and component code synthesis in a reusable way. Mostly, this is due to the substantial differences among abstractions of component models. As a remedy, the paper presents Periodic Table of Component Models (P...
We systematically explore the space of scalar effective field theories (EFTs) consistent with a Lorentz invariant and local S-matrix. To do so we define an EFT classification based on four parameters characterizing 1) the number of derivatives per interaction, 2) the soft properties of amplitudes, 3) the leading valency of the interactions, and 4) the spacetime dimension. Carving out the allowe...
Extensive knowledge of microbial metabolism has been earned through more than a century of reductionist study. There is now basic understanding of how cultivated bacteria transduce the chemical energy of a growth substrate into the work and biosynthetic processes that underlie both survival and replication. This includes an appreciation that microorganisms can metabolize many chemical substance...
Contents 1. Introduction 2. Historical notes 3. The atomic models 4. The first quantum atomic model 5. The standard Schrödinger quantum hydrogen atom 5.1. The azimuthal solution and the magnetic quantum number 5.2. The polar solution and the orbital quantum number 5.3. Polar and azimuthal solutions set together 5.4. The radial solution and the principal quantum number 5.5. Final formulas for th...
This paper introduces a new visualized tool for periodic table, named PerTabVIS. Compared with other related work, PerTabVIS can compare multi-properties and explore elements distribution according to user selection. The goal of this application is to provide both students in senior class and others majoring in Chemistry with a general web-based application to learn the periodic table and explo...
Predictivism is the view that successful predictions of "novel" evidence carry more confirmational weight than accommodations of already known evidence. Novelty, in this context, has traditionally been conceived of as temporal novelty. However temporal predictivism has been criticized for lacking a rationale: why should the time order of theory and evidence matter? Instead, it has been proposed...
Gapped phases of noninteracting fermions, with and without charge conservation and time-reversal symmetry, are classified using Bott periodicity. The symmetry and spatial dimension determines a general universality class, which corresponds to one of the 2 types of complex and 8 types of real Clifford algebras. The phases within a given class are further characterized by a topological invariant,...
The periodic table is the first means of chemists to structure their field of research. It comprises all chemical elements with their most prominent features. The system is so important that students of chemistry usually learn it by heart during their university education. Scientists in the field of human-computer interaction lack such a concise system that covers all aspects of gestural intera...
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