Results 91 to 100 of about 686,774 (286)

Cost of Living Indexes and Exact Index Numbers [PDF]

open access: yes
The paper reviews and extends the theory of exact and superlative index numbers. Exact index numbers are empirical index number formula that are equal to an underlying theoretical index, provided that the consumer has preferences that can be represented ...
Diewert, Erwin
core  

Halide‐Dependent Photoluminescence and Heavy‐Atom Effects in Low‐Melting Organic–Inorganic Manganese Halides

open access: yesAdvanced Functional Materials, EarlyView.
Two pyridinium‐based ionic liquid templated hybrid manganese halides, (C4Py)2[MnCl4] and (C4Py)2[MnBr4], display similar bulk structures but show significantly different photoluminescence behaviors due to the bromine heavy‐atom effect. Their stable local Mn environments remain intact even in the molten state, allowing applications such as luminescence ...
Biswajit Bhattacharyya   +22 more
wiley   +1 more source

On Certain Inequalities for Neuman-Sándor Mean

open access: yesAbstract and Applied Analysis, 2013
We present several new sharp bounds for Neuman-Sándor mean in terms of arithmetic, centroidal, quadratic, harmonic root square, and contraharmonic means.
Wei-Mao Qian, Yu-Ming Chu
doaj   +1 more source

Note on the mean error and standard deviation in the output of a least square quadratic filter - case 20061-1 [PDF]

open access: yes
Equations for mean error and standard deviation in output of least squares quadratic filter ...
Kreer, J. G.
core   +1 more source

Ultrasmall Platinum Nanoparticles for Radiation‐Enhanced Cancer Therapy

open access: yesAdvanced Functional Materials, EarlyView.
This work proposes a nanomedicine‐based strategy to enhance X‐ray radiotherapy for cancer treatment. Ultrasmall Pt‐NPs exhibit catalase‐like activity that may contribute to modulation of the tumor microenvironment and amplify interactions between radiation and biological matter, leading to increased DNA damage.
Miguel Encinas‐Gimenez   +8 more
wiley   +1 more source

On power means of positive quadratic forms

open access: yesLinear Algebra and its Applications, 1984
AbstractSome power means of positive definite quadratic forms are closely related to the fundamental scalar functions of the matrix associated with the quadratic form. This relation can (among other things) be used to give new proofs of some of the classical matrix inequalities.
openaire   +1 more source

Optimal inequalities for a Toader-type mean by quadratic and contraharmonic means

open access: yesJournal of Nonlinear Sciences and Applications, 2017
Summary: In this paper, we present the best possible parameters \(\alpha_i, \beta_i\) (\(i=1,2,3\)) and \(\alpha_4,\beta_4\in(1/2,1)\) such that the double inequalities \[\alpha_1Q(a,b)+(1-\alpha_1)C(a,b)
Ji, Zhengchao, Ding, Qing, Zhao, Tiehong
openaire   +2 more sources

A Non‐Reciprocal Architected Porous Medium

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT In several fluid flow, energy‐dumping, and energy‐harvesting applications, a dominant flow direction or dominant resistance direction is desirable. In this study, we propose a simple modular geometry that doubles flow resistance in one direction relative to the opposite direction, while maintaining laminar viscous flow.
Clément Vezies   +2 more
wiley   +1 more source

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