Results 11 to 20 of about 1,490 (268)
Applied Categorical Structures, 2017 In a locally $λ$-presentable category, with $λ$ a regular cardinal, classes of objects that are injective with respect to a family of morphisms whose domains and codomains are $λ$-presentable, are known to be characterized by their closure under products, $λ$-directed colimits and $λ$-pure subobjects.
Jirí Rosický, Walter Tholen
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Estimating Sustainable Long-Term Fluid Disposal Rates in the Alberta Basin
Energies, 2023 Reliable regional-scale permeability data and minimum sustained injectivity rate estimates are key parameters required to mitigate economic risk in the site selection, design, and development of commercial-scale carbon sequestration projects, but are ...
Mahendra Samaroo +2 more
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Categorical Properties of Down Closed Embeddings [PDF]
Sahand Communications in Mathematical Analysis, 2022 Let $\mathcal M$ be a class of (mono)morphisms in a category $\mathcal A$. To study mathematical notions, such as injectivity, tensor products, flatness, one needs to have some categorical and algebraic information about the pair (${\mathcal A ...
Leila Shahbaz
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ON INJECTIVITY AND P-INJECTIVITY, IV [PDF]
Bulletin of the Korean Mathematical Society, 2003 [For part I cf. J. Math. Kyoto Univ. 27, 439-452 (1987; Zbl 0655.16012).] A left \(A\)-module \(M\) is called \(p\)-injective if for every principal left ideal \(P\) of \(A\), every \(A\)-homomorphism from \(P\) to \(M\) can be extended to \(A\) to \(M\).
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An Injectivity Evaluation Model of Polymer Flooding in Offshore Multilayer Reservoir
Energies, 2019 Good polymer flood performance evaluation requires an understanding of polymer injectivity. Offshore reservoirs are characterized by unfavorable water–oil mobility ratios, strong heterogeneity, and multilayer production, which collectively ...
Liang Sun +4 more
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Effect of Gas Composition on Surfactant Injectivity in a Surfactant-Alternating-Gas Foam Process
Molecules, 2023 Aqueous foam is a dispersion of gas in liquid, where the liquid acts as the continuous phase and the gas is separated by thin liquid films stabilized by a surfactant.
Jiakun Gong +4 more
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A versatile injection system for flow‐injection analysis [PDF]
Journal of Analytical Methods in Chemistry, 1992 Analyser injection systems based on the principle of flow‐injection analysis depend on the technique used. They generally take the form of an injection loop valve; the injected sample volume is determined by the volume of the valve. Injection systems are seldom designed with a time factor to define this volume.
Sollacaro, M., Dittmar, A., Later, R.
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Order dense injectivity of $S$-posets [PDF]
Categories and General Algebraic Structures with Applications, 2015 In this paper, the notion of injectivity with respect to order dense embeddings in the category of $S$-posets, posets with a monotone action of a pomonoid $S$ on them, is studied.
Leila Shahbaz
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Injective mappings and solvable vector fields
Anais da Academia Brasileira de Ciências, 2010 We establish a sufficient condition for injectivity in a class of mappings defined on open connected subsets of Rn , for arbitrary n. The result relates solvability of the appropriate vector fields with injectivity of the mapping and extends a result ...
José R. dos Santos Filho +1 more
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Injectivity Assessment of Radial-Lateral Wells for CO2 Storage in Marine Gas Hydrate Reservoirs
Energies, 2023 The carbon dioxide (CO2) leak from conventional underground carbon storage reservoirs is an increasing concern. It is highly desirable to inject CO2 into low-temperature reservoirs so that CO2 can be locked inside the reservoir in a solid state as CO2 ...
Boyun Guo, Peng Zhang
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