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Chemical graph generator information


A chemical graph generator is a software package to generate computer representations of chemical structures adhering to certain boundary conditions. The development of such software packages is a research topic of cheminformatics. Chemical graph generators are used in areas such as virtual library generation in drug design, in molecular design with specified properties, called inverse QSAR/QSPR, as well as in organic synthesis design, retrosynthesis or in systems for computer-assisted structure elucidation (CASE). CASE systems again have regained interest for the structure elucidation of unknowns in computational metabolomics, a current area of computational biology.

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Chemical graph generator

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A chemical graph generator is a software package to generate computer representations of chemical structures adhering to certain boundary conditions....

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Molecular graph

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chemical graph theory and in mathematical chemistry, a molecular graph or chemical graph is a representation of the structural formula of a chemical compound...

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Chemical graph theory

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periodic graphs. Chemical graph generator Molecule mining MATH/CHEM/COMP Topological index Danail Bonchev, D.H. Rouvray (eds.) (1991) "Chemical Graph Theory:...

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Chemical structure

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structures determined in the gas phase Pauli exclusion principle Chemical graph generator Haaland, Arne (2008). Molecules and Models: The Molecular Structures...

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Graph rewriting

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computer science, graph transformation, or graph rewriting, concerns the technique of creating a new graph out of an original graph algorithmically. It...

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Graph automorphism

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general Graph Automorphism problem, finding the automorphism group (and printing out an irredundant set of generators) for many large graphs arising in...

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Dendral

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systems. The generator (later named CONGEN) generates potential solutions for a particular problem, which are then expressed as chemical graphs in Dendral...

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Photoresist

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Francis M. (ed.). "Radiation and photochemistry of onium salt acid generators in chemically amplified resists". Proc. SPIE. Advances in Resist Technology and...

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Ternary plot

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possible to graph the combinations of all three variables in only two dimensions. The advantage of using a ternary plot for depicting chemical compositions...

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Duck curve

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is a graph of power production over the course of a day that shows the timing imbalance between peak demand and solar power generation. The graph resembles...

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Simulated annealing

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sufficiently short path on this graph from the initial state to any state which may be the global optimum – the diameter of the search graph must be small. In the...

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Randomized algorithm

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practice, randomized algorithms are approximated using a pseudorandom number generator in place of a true source of random bits; such an implementation may deviate...

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CG

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of computer graphics to create or contribute to images in art Conceptual graph, a formalism for knowledge representation Conjugate gradient method, an...

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Coal gas

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utilised the chemical reaction processes described above. The rise of oil as a feedstock to manufacture town gas is shown on the graph below. The peak...

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Stochastic simulation

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computer with a random number generator (RNG). The U(0,1) uniform distribution outputs of the random number generator are then transformed into random...

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Stirling cycle

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realistic representation of most real Stirling engines. The four points in the graph indicate the crank angle in degrees. The adiabatic Stirling cycle is similar...

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Paper

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strategy; one of its advantages is the chemical reaction with lignin produces heat, which can be used to run a generator. Most pulping operations using the...

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Shewhart individuals control chart

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the average value, x and lines at the UCL and LCL values. On a separate graph, the calculated ranges MRi are plotted. A line is added for the average...

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List of computer simulation software

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ASCEND - open-source equation-based modelling environment. Cantera - chemical kinetics package. Celestia - a 3D astronomy program. CP2K - Open-source...

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Voltage regulator

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and other elements. In automobile alternators and central power station generator plants, voltage regulators control the output of the plant. In an electric...

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List of abbreviations in oil and gas exploration and production

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report DG/DG# – diesel generator ('#'- means identification letter or number of the equipment i.e. DG3 or DG#3 means diesel generator nr 3) DGA – diglycoamine...

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Bayesian optimization

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hdl:20.500.11850/370833. Philip Ilten, Mike Williams, Yunjie Yang. Event generator tuning using Bayesian optimization. 2017 JINST 12 P04028. DOI: 10...

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Markov chain

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entries of M k {\displaystyle M^{k}} are positive. The exponent is purely a graph-theoretic property, since it depends only on whether each entry of M {\displaystyle...

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Isotopes of molybdenum

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99Mo breakthrough is performed for every elution when using a 99Mo/99mTc generator during QA-QC testing of the final product. There are alternative routes...

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2024 in climate change

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Earth—constituted an early feasibility demonstration. February: an underwater generator operating on the principle of a kite travels a figure-8 pattern, moving...

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Computer simulation

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codes. Many CFD applications belong to this category. If the underlying graph is not a regular grid, the model may belong to the meshfree method class...

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