Provided is a cooking apparatus including: a main body; and a ventilator comprising a ventilator body including an inlet configured to inhale air containing oil mist generated in a cooking process using a heating device, a blower configured to blow the inhaled air from the inlet; and an oil mist filter positioned inside the ventilator body, and configured to remove the oil mist by filtering the oil mist from the inhaled air.

A filtration method for filtration of nucleated cells that includes providing a filter containing at least one of a metal and a metal oxide as a major component thereof and having a plurality of through-holes therein, and passing a liquid containing the nucleated cells through the filter. The diameter of an inscribed circle of each of the plurality of through-holes is smaller than the size of the nuclei of the nucleated cells, and the inscribed circle of each of the plurality of through-holes touches all sides defining an opening of the through-hole.

Proposed is a multi-layer filtration system including a metal catalyst filter unit, a carbon filter unit, and an inorganic compound filter unit. The metal catalyst filter unit includes at least one among metals including Ni, Co, Fe, Cu, Cr, Mg, Zn, Ba, Au, Ag, Pd, Pt, Ru, Mn, and Ti, oxides thereof, and mixtures thereof. The carbon filter unit includes at least one of activated carbon or activated carbon fiber. The inorganic compound filter unit includes an inorganic compound capable of adsorbing toxic gas. The multi-layer filtration system has good removal effect for toxic gas. A filter module including the multi-layer filtration system and a gas mask including the multi-layer filtration system are also proposed.

The present invention relates to a portable insulated brewing device, comprising of: a tubular body, wherein a top positioning part and a bottom positioning part are arranged on both sides; an assembly which comprises of a bracket at the top positioning part, wherein the bracket has a plurality of liquid channels, a push-pull rod placed in the accommodating center hole, wherein the top end of the rod consists of a holding block, and the other end consists of a shallow pressing cup, and a preset gap for liquid circulation is formed between the periphery of the pressing cup and the inner wall of the tube; a top cover which is assembled on top of the bracket assembly; and a bottom cover which is assembled on the bottom positioning part of the tube and forms a holding space with the pressing cup in which a brewed substance is placed.

A system for treating wash waste liquid is described, configured for coupling to a wash module of a continuous Tunnel washing machine for the field of Preclinical Pharmaceutical Research, said wash module (12) comprising a wash chamber (25), characterized in that it comprises: a wash tub (22) with a side wall (31) substantially cylindrical in shape, with a tangential liquid suction outlet (33) and a substantially conical bottom, with a wash waste drain point (35) at the vertex of the cone, said tangential suction being adapted to generate a rotational motion of the liquid in said tub, said tub being positioned under said wash chamber (25), so as to receive said wash liquid by gravity; a centrifugal wash pump (21) with an open impeller, adapted to take in liquid from said tangential liquid suction outlet (33); an in-line filter (26) with an internal filter cartridge of the “wedge-wire” type, adapted to filter the liquid coming from said centrifugal pump (21) and deliver it back, filtered, into said wash chamber (25), and comprising a flush valve (27) for discharging the filtering waste.

A method for preparing a three-dimensional chitosan/silver composite scaffold includes mixing an acidic aqueous chitosan solution including protonated chitosan and a deposition accelerating agent being a soluble silver salt, spacedly disposing a cathode and an anode in the resultant suspension, and applying an electric field to the cathode and the anode so that the suspension undergoes electrodeposition. The suspension has a protonated chitosan concentration ranging from 0.7 to 2.8 w/v %, and a molarity of silver ions ranging from 4 to 60 mM. The composite scaffold prepared has columnar through-holes extending in a same extension direction and each having opposite first and second openings with the latter not less in width.

The present invention relates to vacuum cleaner filter bags composed of waste products of the textile industry. In addition, possibilities of use for waste products of the textile industry for vacuum cleaner filter bags are provided. The vacuum cleaner filter bag comprising a wall surrounding an inner space and composed of an air-permeable material and an inlet opening introduced into the wall, characterized in that the air-permeable material comprises at least one layer of a nonwoven that comprises fibrous and/or pulverulent recycled textile material and/or cotton linters, with the specific volume of the layer of the nonwoven amounting to at least 20 cm.sup.3/g.

A metallic filter (1) includes a microstructured architecture (2) defined in a three-dimensional space having orthogonal axes, microstructured architecture (2) includes a metallic network (10) formed by a plurality of longitudinal connecting strands (12), namely extending along a longitudinal axis direction (X), and a network (20) of pores formed of a plurality of longitudinal interstices (22) located along connecting strands (12). Each longitudinal interstice corresponding to a subset of pores (24) of the network (20) of pores. The subset of pores (24) for which the pores are aligned along the longitudinal axis (X), the longitudinal interstices (22) thereby defining an axis of anisotropy of the microstructured architecture.

One or more embodiments of the present disclosure includes antiviral masks with at least one metallic layer. In one or more embodiments, the at least one metallic layer can be a copper based metallic layer and can be shaped as a facial mask that covers the exposed orifices of a user's face, including the nose and mouth, and can be used independently of other layers and/or other masks.

Systems and methods for monitoring a filter in, for example, an immersion cooled system are described. In one embodiment the application pertains to a process comprising employing a filter media to filter fluid wherein one or more electrical properties change depending upon pH of the filter fluid. The one or more electrical properties may be measured to monitor the filter. If desired, the filter media's electrical properties may be modified based on the configuration of the filter to facilitate the measurements.