A technique is provided for incorporating pneumatic control in centrifugal microfluidics. The technique involves providing a chip controller that has pressurized fluid supply lines for coupling one or more pressurized chambers of the controller with ports of a microfluidic chip. At least part of the chip controller is mounted to a centrifuge for rotation with the chip. A flow control device is provided in each supply line for selectively controlling the pressurized fluid supply, and is electrically controlled. Bubble mixing, on and off-chip valving, and switching are demonstrated.

This disclosure presents a reptile cricket powder mixer, which comprises a shell, including a primary shell with primary through-holes provided on its lower surface at an interval and a secondary shell which is movably mounted at the lower end of the primary shell and is used to store calcium powder; an upper cover, which is mounted at the upper end of the primary shell; a powder adjusting ring, which is fixed inside the secondary shell, and secondary through-holes are provided on the surface of the ring at an interval aligned with the primary through-holes. In this disclosure, by rotating the secondary shell, you can change the area of alignment of the primary through-holes with the secondary through-holes, so as to control the quantity of the powder entering to or from the first or the secondary shell, or to conveniently recycle any excessive powder in the primary shell.

A system is provided. The system includes one or more of a fuel media supply, coupled to a media supply injection valve and a fuel media supply flow meter, configured to provide unodorized fuel media, an odorant supply, configured to provide pressurized odorant and coupled to each of a first actuator to allow odorant flow at a first pressure, a second actuator to allow odorant flow at a second pressure, and a manual ball valve, a mixture receiver, coupled to the fuel media supply, each of the first and second actuators, and a manual flow metering valve, configured to receive odorized fuel media comprising a mixture of the unodorized fuel media and regulated pressurized odorant, and a control system, configured to initiate production of the mixture, adjust the mixture with the first and second actuators, in response to the mixture does not include a desired concentration of the odorant and terminate production of the mixture.

An electric wine aerator is provided, including: a body, an air inlet part, a liquid-drawing part, a liquid outlet part, and a control unit; wherein the liquid-drawing part is located at the lower end of the body and has an improved air flow path structure; when placing the electric wine aerator to a container opening, no airflow obstruction will be generated so that good air convection between inside and outside the container is achieved and the wine is drawn smoothly; the air inlet part is movably matched to a valve body with a valve stem, and a fixed base is fixed to the valve body; the valve stem is combined with a spring, to act on the fixed base and the valve body respectively; the valve stem passes through a cap assembled to the body, and a knob is provided to control the rotation of the valve stem.

A pump device (1) comprises a centrifugal pump (2) and a mixing unit (4) in which two fluids are mixed. The mixing unit (4) comprises a flapper valve (10) configured to move between a first and a second position in which it closes a first inlet (7) and a second inlet (8) of the mixing unit, respectively. At least one of the inlets houses a movable piston (13) which is biased towards being in contact with the flapper valve. The piston has at least one piston channel (15) or annular space (23) through which the fluid flows in to the mixing unit in a controlled manner.

A humidification system for a process gas uses a plurality of differently sized steam eductors in order to control a relative humidity of a process gas.

An apparatus, includes: a first raw material supply unit 110 including a filter housing 111, a supply fan 112, a flow regulator 113, an electronic valve 114, and an air supply line 115, wherein the supply fan 112 is operated to suck in external air, in the process, the HEPA filter (not shown) mounted inside the filter housing 112 filters fine dust and adjusts the air supply flow rate from the flow regulator 113 to the appropriate flow rate and supplies through the supply line 115 to the ion generator 200; a second raw material supply unit 120 including a pressure regulator 122, a flow regulator 123, an electronic valve 124, and an air supply line 125.

A dispersion apparatus for producing slurry for a battery includes: a stirring and mixing section that mixes powder and a liquid; an identifier that identifies a powder supply status of whether a predetermined amount of the powder is supplied from a powder supply section to the stirring and mixing section; and a control unit that controls supply of the powder according to the powder supply status.

Multiphase mixing systems and methods for creating homogenous mixtures of solid and liquid components. A system includes an inlet pump tube configured to be disposed within a mixing vessel. The system includes a pump in fluid communication with the inlet pump tube, wherein the pump extracts a solution from the mixing vessel when the inlet pump tube is disposed within the mixing vessel. The system includes a three-way valve in fluid communication with the pump. The system includes a differential pressure outlet configured to be disposed within the mixing vessel, wherein the differential pressure outlet is in fluid communication with the pump and the three-way valve. The system is such that the extracted solution is processed through the pump and ejected into the mixing vessel through the differential pressure outlet.

A method and equipment for plant cultivation, where the plants are supplied with water, over irrigation phases of specific duration spread over a 24 h day, which water has a given content of dissolved oxygen, characterized in that use is made of a system for boosting the injection of oxygen (or of an oxygen-containing gas mixture) in the irrigation water over a first period, of given duration, of one or some of the irrigation phases in question, and in that the remainder of the time of said irrigation phase(s) in question is characterized by a content of dissolved oxygen in the water which is nominal, i.e. lower than the boosted content of the first period.