Provided are a sodium ion-conductive crystal-containing solid electrolyte sheet capable of giving excellent battery characteristics even when reduced in thickness, and an all-solid-state battery using the same. The solid electrolyte sheet contains at least one type of sodium ion-conductive crystal selected from β″-alumina and NASICON crystal and has a thickness of 500 μm or less and a flatness of 200 μm or less.

Provided are a sodium ion-conductive crystal-containing solid electrolyte sheet capable of giving excellent battery characteristics even when reduced in thickness, and an all-solid-state battery using the same. The solid electrolyte sheet contains at least one type of sodium ion-conductive crystal selected from β″-alumina and NASICON crystal and has a thickness of 500 μm or less and a flatness of 200 μm or less.

A chemical gel system having a polymer and a silicon oxide Janus nanosheets crosslinker for treating thief zones in carbonate formations. The polymer and silicon oxide Janus nanosheets crosslinker may form a crosslinked polymer gel to reduce or prevent water production via thief zones during hydrocarbon production. The silicon oxide Janus nanosheets crosslinker includes a first side having negatively charged functional groups and a second side having amines. The negatively charged functional groups may include negatively charged oxygen groups and hydroxyl groups. Methods of reducing water production in a thief zone using the silicon oxide Janus nanosheets crosslinker and methods of manufacturing the silicon oxide Janus nanosheets crosslinker are also provided.

A chemical gel system having a polymer and a silicon oxide Janus nanosheets crosslinker for treating thief zones in carbonate formations. The polymer and silicon oxide Janus nanosheets crosslinker may form a crosslinked polymer gel to reduce or prevent water production via thief zones during hydrocarbon production. The silicon oxide Janus nanosheets crosslinker includes a first side having negatively charged functional groups and a second side having amines. The negatively charged functional groups may include negatively charged oxygen groups and hydroxyl groups. Methods of reducing water production in a thief zone using the silicon oxide Janus nanosheets crosslinker and methods of manufacturing the silicon oxide Janus nanosheets crosslinker are also provided.

A 1,1,1-tris(organoamino)disilane compound and a method of preparing the 1,1,1-tris(organoamino)disilane compound are disclosed. The method comprises aminating a 1,1,1-trihalodisilane with an aminating agent comprising an organoamine compound to give a reaction product comprising the 1,1,1-tris(organoamino)disilane compound, thereby preparing the 1,1,1-tris(organoamino)disilane compound. A film-forming composition is also disclosed. The film-forming composition comprises the 1,1,1-tris(organoamino)disilane compound. A film formed with the film-forming composition, and a method of forming the film, are also disclosed. The method of forming the film comprises subjecting the film-forming composition comprising the 1,1,1-tris(organoamino)disilane compound to a deposition condition in the presence of a substrate, thereby forming the film on the substrate.

Methods of synthesis of mesoporous silica are disclosed. The mesoporous silica synthesized herein, like SBA-15, possesses a two-dimensional, hexagonal, through-hole structure with a space group p6mm. An effective quantity of one or more water-soluble oxidized disulfide oil (ODSO) compounds are used during synthesis to impart distinct characteristics.

A system for asbestos neutralization, that includes a neutralization unit having a module configured for sorting of asbestos waste, an asbestos waste grinder; a concentrated sulfuric acid tank, a vat containing a hot diluted acid solution, for which temperature is between 70° C. and 100° C., in which grinded asbestos waste containing asbestos is dipped, the solution is configured for neutralizing asbestos contained in the grinded asbestos waste, a filtration unit to separate, at the end of the neutralization reaction, a solid inert waste from a liquid phase of the diluted acid solution, a regeneration unit for the diluted acid solution, which adjusts the hydrogen potential of the extracted liquid phase by adding concentrated sulfuric acid from the tank, and means for transferring the regenerated solution into the vat.

Methods of synthesis of mesoporous silica are disclosed. The mesoporous silica synthesized herein, like SBA-15, possesses a two-dimensional, hexagonal, through-hole structure with a space group p6mm. An effective quantity of one or more thermally expandable microcells are used during synthesis to impart distinct characteristics.

A composite substrate includes in this order: a support substrate; an intermediate layer; and a piezoelectric layer, wherein the intermediate layer contains bubbles.

Porous metal oxide microspheres are prepared via a process comprising forming a liquid dispersion of polymer nanoparticles and a metal oxide; forming liquid droplets of the dispersion; drying the droplets to provide polymer template microspheres comprising polymer nanospheres; and removing the polymer nanospheres from the template microspheres to provide the porous metal oxide microspheres. The porous microspheres exhibit saturated colors and are suitable as colorants for a variety of end-uses.