Results 231 to 240 of about 283,081 (284)

4D‐Printed Spin Crossover Metamaterials with Giant Programmable Positive or Negative Thermal Expansion

Advanced Materials, EarlyView.
Spin crossover composite filaments are implemented for the rational design of 4D‐printed mechanical metamaterials. The obtained bi‐material structures guided by a theoretical analysis based on analytical calculations and Finite Element Analysis simulations exhibit giant programmable positive or negative deformation with coefficients of thermal ...
Adelais Trapali, Yuteng Zhang, Seyed Ehsan Alavi, Nagham Mawassy, Raja Zulkarnain, Gábor Molnár, Lionel Salmon, Azzedine Bousseksou   +7 more
wiley   +1 more source

Phytotherapy in Community Pharmacy: Legal Aspects, Uses, and Interactions. [PDF]

Farm Comunitarios
Busto Domínguez I, López Gil J, Parra Astorgano MD, Prats Mas R, Roig Marin-Yaseli M, Villegas Lama I.   +5 more
europepmc   +1 more source

Quantum chemical investigation and molecular design of coumarin-based heavy-metal-free photosensitizers for one- and two-photon excited fluorescence imaging and photodynamic therapy. [PDF]

RSC Adv
Pham TC, Tran DN, Nguyen VT, Pham VT, Tran DL, Lee S.   +5 more
europepmc   +1 more source

A hybrid Daubechies wavelet collocation approach for a fractional-order SIR epidemic model with delay effects. [PDF]

Sci Rep
Sarkar N, Sen M.
europepmc   +1 more source

Orbital-selective band engineering realizes high zT in p-type Ru₂Ti_1-xHf_xSi full-Heusler thermoelectrics. [PDF]

Nat Commun
Garmroudi F, Serhiienko I, Parzer M, Pustogow A, Podloucky R, Mori T, Bauer E.   +6 more
europepmc   +1 more source

Photoluminescence of ligand-protected gold nanoclusters: progress in experimental and theoretical studies. [PDF]

Chem Sci
Li K, Wang P, Pei Y.
europepmc   +1 more source

Unveiling solitary and twinning kink solitons in (2+1)-dimensional modified Zakharov-Kuznetsov equation arising in electronics. [PDF]

Sci Rep
Al-Sawalha MM, Noor S, Shah R, Yasmin H.
europepmc   +1 more source

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Uniform rational approximation

Proceedings of the American Mathematical Society, 1995
Let K be a compact subset of the complex plane C \mathbb {C} , and let P ( K ) P(K) and R ( K ) R(K) be the closures in C ( K ) C(K) of polynomials and rational functions with poles
openaire   +2 more sources

Rational approximations

The Mathematical Gazette, 1990
Any positive fraction can be represented by a lattice point in the positive quadrant of the coordinate plane, ( x , y ) being used to represent the fraction y/x.
openaire   +1 more source