4 天之前 · The AB distance between the molecular chain A and B is 1.460 nm, while the BC distance between the molecular chain B and C is 1.549 nm. The size difference between AB …

1 天前 · [32] [33] Meanwhile, research on the chemistry of silicon continued; Friedrich Wöhler discovered the first volatile hydrides of silicon, synthesising trichlorosilane in 1857 and silane …

4 天之前 · The syntheses of cyclosilazanes and branched silazanes from silylamines are described. The silylamines are deprotonated with 2 equiv of n-BuLi and then undergo a …

4 天之前 · From its nontrivial energy spectra topology, we demonstrate that the geometry-dependent non-Hermitian skin effect emerges in a ribbon geometry. Furthermore, skin modes …

5 天之前 · To accomplish the geometry optimization and electronic properties, the convergence criterion was set to 1.0 × 10 − 5 eV in energy and 0.01 eV Å −1 in forces. We used the ab initio …

1 天前 · (D) Theoretical calculation of energy-optimized geometry of binding between cellulose-cellulose and cellulose-glycerol. (E) Molecular model of a cellulose chain. (F) Molecular …

3 天之前 · Synthesis of Azo Dye N 1. The azo dye was synthesized using the prescribed methodology. 41 The chemical structures of azo dye N 1 were deduced from the IR, mass, …

5 天之前 · The MOF is three-dimensional, consisting of an identical catenated pair of networks, yet still featuring pores of molecular dimensions. The nodes consist of single cadmium ions, …

4 天之前 · The random molecular motion of individual molecules causes tiny molecules to swell through a polymer membrane. The free volume within the single rubber or rubber blends …