Abstract: A method for enriching a burnt-sweet aroma note in Yunnan flue-cured tobacco includes: S1: diluting a Yunnan flue-cured tobacco extract with a diluent to obtain an obtained diluted solution; S2: subjecting the obtained diluted solution to an elution treatment using a C18 column under a pressure of 5-20 bar, the elution treatment including: first performing a primary elution with a first eluent, then performing a secondary elution with a second eluent, and collecting a secondary elution solution as a collected secondary elution solution, the first eluent including water or an aqueous ethanol solution with a mass concentration of less than 10%, and the second eluent including an aqueous ethanol solution with a mass concentration of 38-42%; and S3: concentrating the collected secondary elution solution to obtain a sample with the burnt-sweet aroma note.

Abstract: In one aspect, the disclosure relates to gel polymer compositions and articles comprising gel polymer compositions. In one aspect, the gel polymer compositions comprise: a first polymer comprising poly(ethylene glycol), poly(pentyl malonate), or a derivative thereof; poly(2,2?-disulfonyl-4,4-benzidine terephthalamide) (PBDT); and a salt. The disclosure also relates to methods for forming compositions disclosed herein, comprising: dissolving both a salt and a first polymer in a first solvent, thereby forming a first mixture; dissolving PBDT in a second solvent, thereby forming a second mixture; combining the first mixture and the second mixture, thereby forming an intermediate mixture; pouring the intermediate mixture onto a substrate; drying the intermediate mixture and the substrate; and removing the dried intermediate mixture from the substrate, thereby forming a polymer membrane.

Abstract: In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, the disclosure, in one aspect, relates to polymer-salt composite hydrogel compositions comprising an ionic polymer material, a cationic component, and a solvent as disclosed herein. The present disclosure further pertains to the disclosed methods of making the disclosed polymer-salt composite hydrogel compositions, methods of using the disclosed polymer-salt composite hydrogel compositions, and products comprising the disclosed polymer-salt composite hydrogel compositions. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

Abstract: Composite electrolytes are provided that are useful as a solid-state electrolyte in alkali metal batteries. in particular in lithium metal batteries over a wide temperature range. In some aspects. the composite electrolyte includes an alkali metal salt of an aromatic polyimide polymer: and an ionic liquid: wherein the composite is a solid at 25° C. and at a temperature of about 200° C. For example. a molecular ionic composite electrolyte containing 10 wt % PBDT and 90 wt % 1-ethyl-3-methylimidazolium trifluoromethane-sulfonate (EMImTfO) shows an E? of ?0.4 GPa and an ionic conductivity of ? 3.2 mS cm? at room temperature. In various aspects. batteries are also provided containing a composite electrolyte described herein. The electrolytes enable batteries that are more stable and exhibit less risk of fire or thermal runaway, even when operated at elevated temperatures. In some instances. the alkali metal is lithium and the alkali metal anode is a lithium anode.

Abstract: Disclosed are a thin-disk regenerative amplifier and an amplification method. The thin-disk regenerative amplifier includes an input and output light path and an amplification light path. A seed laser is input into the thin-disk regenerative amplifier through the input and output light path, and reflected and amplified by the amplification optical path to obtain an amplified laser. After reaching a predetermined threshold, the amplified laser is output through the input and output light path. The input and output optical path includes an optical isolator, a first polarization beam splitter, an optical rotator, a second polarization beam splitter, a first reflective mirror, and a second reflective mirror. The amplification light path includes an input mirror, a thin-disk crystal, a pumping device, a first concave reflective mirror, and a second concave reflective mirror.

Abstract: A laser device includes a gain medium, a zero-degree reflective mirror, a first retro-reflective mirror, a second retro-reflective mirror, and an output coupling mirror. The gain medium is used to generate radiation light; the zero-degree reflective mirror has a common optical axis with the gain medium, and the zero-degree reflective mirror is used to totally reflect second-direction radiation light that is incident on the zero-degree reflective mirror in an optical-axis direction; the first-direction radiation light and the first emitted light are spaced from and parallel to each other in opposite directions; the first emitted light and the second emitted light are spaced from and parallel to each other in opposite directions; a resonant cavity is formed between the zero-degree reflective mirror and the output coupling mirror; the output coupling mirror is used to transmit and output first partial radiation light, and reflect second partial radiation light.