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The present application relates to the field of optics, and more particularly to an aberration correction reflector apparatus, an aberration correction system, and a method thereof. The aberration correction reflector apparatus includes a reflector and a transmission electrode group coaxially spaced from one side of the reflector, the transmission electrode group includes four or more transmission electrodes coaxially spaced apart. The reflector includes a reflector body, a first through hole for electrons to pass through is arranged at a center of the reflector body and passes through upper and lower surfaces of the reflector body, the reflector further includes a cover disposed on a side of the first through hole away from the transmission electrode group, the cover protrudes toward a direction away from the transmission electrode group. Each transmission electrode includes a transmission electrode body, and a second through hole for electrons to pass through is arranged at a center of the transmission electrode body and passes through upper and lower surfaces of the transmission electrode body. The correction system adopting the aberration correction reflector apparatus can simultaneously correct chromatic aberration, third-order spherical aberration, and fifth- order spherical aberration.

The invention provides a postural support device (1) attachable to desks designed to improve ergonomics and reduce fatigue in study and work environments. The device is fastened in a releasable manner to a flat surface of the desk and provides frontal support to the user, aligning the spine and reducing back strain. It includes an anchor bracket (10), an adjustment mechanism (20) with adjustable links (21, 22), a locking element (30) and a padded support element (40) for the chest or collarbones. Its modular design allows for multiple configurations and adaptability to different desktops. In addition, a system with two devices is proposed for greater stability and comfort. This invention seeks to solve postural problems derived from prolonged computer use, overcoming the limitations of conventional ergonomic chairs.

A miniature sight with laser aiming and red dot aiming capabilities is provided, including: a red dot aiming assembly is disposed inside a cavity of a sight base, and a mounting groove is concavely formed on an upper side of the sight base; a laser housing cover is engaged with the upper side of the sight base, a laser aiming assembly is disposed inside a cavity of the laser housing cover; a connection side cover is embedded on one side of the sight base, one end of the connection side cover penetrates into the mounting groove and is electrically coupled with the laser aiming assembly, and another end of the connection side cover penetrates into the sight base and is electrically coupled with the red dot aiming assembly. In the present application, by arranging the mounting groove on the upper side of the sight base, mounting the laser aiming assembly within the mounting groove, and electrically connecting the laser aiming assembly to the red dot aiming assembly inside the sight base through the connection side cover. This configuration enables the sight base to serve multiple mounting functions in structural layout while avoiding structural bulkiness caused by independent power sources for different sights, minimizing weight increase to the greatest extent, and preserving traditional aiming methods of the sights, facilitating shooter operation across multiple engagement ranges.

A modular device for dissolving gases in complex liquid media, which comprises the following modules connected in fluid communication:i.) a Venturi module comprising the following modules:- an inlet module (10), with a gas inlet, a liquid inlet, and an interchangeable nozzle configured to reduce the diameter of the inlet;- a first depressurisation module (11) configured to receive the flow from the inlet module (10), with a flow inlet and a first depressurisation chamber having a diameter larger than the diameter of the interchangeable nozzle of the module (10);- a second depressurisation module (12) configured to receive the flow from the first depressurisation module (11), with a second depressurisation chamber having a diameter smaller than the diameter of the first depressurisation chamber;ii.) a cavitation module comprising the following modules:- a transition module (13) configured to receive the flow from the second depressurisation module (12) or from a gas inlet, with an interchangeable nozzle configured to adapt to the appropriate process conditions;- a cavitation module (14) configured to receive the flow from the transition module (13), with a complex liquid media inlet and a cavitation chamber configured to generate cavitation of the complex liquid media together with the flow from the transition module (13); and- a stabilisation module (15) configured to receive the liquid medium from the cavitation module (14), with an interchangeable nozzle configured to adapt to the appropriate process conditions.

The invention relates to an electromagnetic drive piston pump intended for circulating a fluid. The pump comprises a housing provided with two inlet ports arranged opposite each other and an outlet port located between the inlet ports. A movable core that can move axially with respect to a fixed core is arranged inside a pumping chamber, the movable core being provided internally with primary valve means associated with each inlet port and configured for relative axial movement. The pump further comprises two electromagnetic drive assemblies axially housed inside the housing and spaced apart from each other, each assembly being linked to an inlet port and the outlet port. Each assembly includes a solenoid coaxial with a movable core and a secondary valve mounted on the fixed core. The solenoids act alternately to generate electromagnetic forces that cause the movable core to move in both directions, thus allowing controlled pumping of the fluid.

The invention relates to a cosmetic composition combining the Pal-Gly-His-Lys peptide, the Pal-Gly-Gln-Pro-Arg peptide, Chlorella vulgaris extract, niacinamide and at least one cosmetically acceptable excipient or adjuvant. The composition of the invention improves the appearance of skin, enhancing firmness, hydration and regeneration.

The present disclosure provides an analyte monitoring system(1), characterized in that the analyte monitoring system(1) includes a medical device(800), a piercing member(260), an application device(1000), and a cap(700). The medical device(800) includes an application portion(860) and a sensor(820) supported by the application portion(860) and at least partially positionable subcutaneously. The piercing member(260) is configured to carry at least a portion of the sensor(820) into the subcutaneous tissue. The application device(1000) is configured to move the piercing member(260). The cap(700) is coupled to the application device(1000) and has a sealed space for accommodating at least a portion of the sensor(820). Thereby, the analyte monitoring system(1) may be provided to the user in an integrated architecture for ease of use.

The present invention provides a system (1) for analysing and logging core samples (2), which include planar structures and a reference line (BOH) indicating their original rotational position. The system has a portable device (5) to capture 2D images, identify planar structures, generate fitted ellipses, calculate alpha, beta and gamma angles, and build 3D models. In addition, it can determine the dip and dip direction by projecting them on stereographic diagrams in real time. The portable device (5) allows the user to interactively adjust the generated ellipses and see results in real time. An advanced algorithm ensures accurate structure identification, even in complex samples. The generated data, which is stored in a cloud-based database, includes images, calculations and 3D models, facilitating real-time geological collaboration.

The present invention relates to an electronic mixer cartridge (1) for mixer taps, provided to be attached to an operation handle having interface means and an electronic control board (26). The mixer cartridge is provided with temperature detection means consisting of a temperature probe (8) configured for direct water temperature reading, being attached to an electronic board (9) arranged in a housing made in the base (3), having a base (3) linked to the ceramic discs, which is located inside the bottom of the main housing, the base (3) of which has a hole through which the temperature probe (8) protrudes, such that the temperature probe is in direct contact with the flow of mixed water. In addition, sealing means are provided which are configured to prevent the flow of mixed water from coming in contact with the electronic board (9).

[Problem] Provided is a motor regenerative control method that performs regenerative control without creating an adaptive map value.[Solution] The invention relates to a motor regenerative control method that allows a negative current to flow to a motor such that a regenerative current flows to a battery to charge the battery. The motor regenerative control method includes: setting a target regenerative current value based on a state of the battery; allowing the negative current to flow to the motor such that the regenerative current is close to the target regenerative current value and measuring the regenerative current while allowing the regenerative current to flow to the battery; performing feedback control to allow the negative current to flow to the motor so as to eliminate a difference between a regenerative current value and the target regenerative current value; determining whether the regenerative current value is increasing or decreasing; maintaining the feedback control when it is determined that the regenerative current value is increasing; and when it is determined that the regenerative current value is not capable of reaching the target regenerative current value and is decreasing, detecting a maximum regenerative current value based on a history of the regenerative current value and adjusting and controlling the current flowing to the motor such that the regenerative current value reaches the maximum regenerative current value.