In particles removal with extremely high filtration efficiency and the ability to block submicron airborne particles by a sieving mechanism is provided. This novel nanoporous filter advantageously combines extremely high transmittance for visible light and ultraviolet light, reusability after cleaning or disinfection by ultraviolet irradiation or simple washing, a customizable sieving pore size ranging from a few nanometers to 500 nanometers, and the ability to carry bactericidal, virucidal or other reagents or particles on the nano or micro scale.

One aspect of the present disclosure provides a composite sheet including a porous sintered ceramic component having a thickness of less than 2 mm and a resin filled into pores of the sintered ceramic component, wherein the curing rate of the resin is 10 to 70%.

Provided is a composite sheet including a porous nitride sintered body having a thickness of less than 2 mm and a resin filled in pores of the nitride sintered body, wherein a filling rate of the resin is 85% by volume or more. Provided is a method for manufacturing a composite sheet including an impregnation step of impregnating pores of a porous nitride sintered body having a thickness of less than 2 mm with a resin composition having a viscosity of 10 to 500 mPa.Math.s to obtain a resin-impregnated body, and a curing step of heating the resin-impregnated body to semi-cure the resin composition filled in the pores.

One aspect of the present disclosure provides a composite sheet including a porous sintered ceramic component having a thickness of less than 2 mm and a resin filled into pores of the sintered ceramic component, wherein the resin is a semi-cured product of a resin composition including a compound having a cyanate group and the content of triazine rings in the resin is 0.6 to 4.0 mass %.

Various examples are provided related to panel systems fabricated from bamboo. In one example, a panel system includes a central core including a layer of substantially aligned bamboo poles; a first outer lath layer including substantially aligned bamboo lathes or poles extending across a first side of the central core; and a second outer lath layer including substantially aligned bamboo lathes or poles extending across a second side of the central core. The bamboo lathes or poles of the first outer lath layer can be at an angle with respect to the bamboo poles and the bamboo laths or poles of the second outer lath layer can positioned at the same or another angle with respect to the bamboo poles. In other examples, beams or other structural elements can be fabricated using one-way lamination of bamboo elements.

Provided are a polymer film containing a polymer and a filler, in which the polymer film has a phase-separated structure including at least two phases, and all of the at least two phases have an elastic modulus of 0.01 GPa or more; and an application thereof.

An acoustic absorption cell including a bottom wall extending in a plane orthogonal to an axial direction, an enclosure including a first axial end secured to the bottom wall, and an acoustic horn extending inside the enclosure between a first opening of the horn and a second opening of the horn smaller than the first opening, the horn being secured to a second axial end of the enclosure opposite the first axial end, and the first and second openings of the horn each extending in a plane orthogonal to the axial direction. The horn includes at least one retaining arm protruding from the horn inside the enclosure and fixed to the bottom wall or to the enclosure.

A fluid-filled chamber is provided and includes a first barrier layer, a second barrier layer, a foam structure, and a tensile member. The second barrier layer is secured to the first barrier layer to define an interior void between the first barrier layer and the second barrier layer. The interior void contains a predetermined volume of fluid. The foam structure and the tensile member are disposed within the interior void, whereby the tensile member includes a plurality of fibers extending in a first direction between the first barrier layer and the second barrier layer.

Wear resistant articles are described herein which, in some embodiments, mitigate CTE differences between wear resistant components and metallic substrates. In one aspect, an article comprises a layer of sintered cemented carbide bonded to a layer of iron-based alloy via a metal-matrix composite bonding layer, wherein coefficients of thermal expansion (CTE) of the sintered cemented carbide layer, metal matrix composite bonding layer, and iron-based alloy layer satisfy the relation: $x=\frac{\left(.Math.CTE\mathrm{WC}-CTEMMC.Math.\right)}{(.Math.CTE}$

Various aspects of the present disclosure relate to a sealed storage tank. The sealed storage tank includes a polymeric layer having a thickness in a range of from about 0.05 mm to about 1 mm. The sealed storage tank further includes a fibrous scrim layer directly contacting the polymeric layer. The fibrous scrim layer includes a denier value in a range of from about 500 denier to about 1500 denier. The polymeric layer is optionally substantially translucent or transparent and is optionally at least partially visible through the fibrous scrim layer.