Abstract: A power supply unit supplies power to a load, and the power supply unit includes a power factor corrector, a DC conversion module, and an isolated conversion module. The power factor corrector is plugged into a first main circuit board and converts an AC power into a DC power. The DC conversion module is plugged into the first main circuit board and converts the DC power into a main power. The isolated conversion module includes a bus capacitor, the bus capacitor is coupled to the DC conversion module through a first power copper bar, and coupled to the power factor corrector through a second power copper bar. The first power copper bar and the second power copper bar are arranged on a side opposite to the first main circuit board, and are arranged in parallel with the first main circuit board.

Abstract: An organometallic complex, a catalyst composition employing the same, and a method for preparing polyolefin are provided. The organometallic compound has a structure represented by Formula (I) wherein M is Ti, Zr, or Hf; X is —O—, or —NR6—; R1 and R2 are independently hydrogen, C1-6 alkyl group, C6-12 aryl group, or R1 and R2 are combined with the carbon atoms, to which they are attached, to form an C6-12 aryl moiety; R3, R4 and R5 are independently fluoride, chloride, bromide, C1-6 alkyl group, C6-12 aryl group, C3-6 hetero aryl group, C7-13 aryl alkyl group or C7-12 alkyl aryl group; and R6 is hydrogen, C6-12 aryl group or C7-12 alkyl aryl group.

Abstract: A voltage tracking circuit is provided. The voltage tracking circuit includes first and second P-type transistors and a control circuit. The drain of the first P-type transistor is coupled to a first voltage terminal. The gate and the drain of the second P-type transistor are respectively coupled to the first voltage terminal and a second voltage terminal. The control circuit is coupled to the first and second voltage terminals and generates a control voltage according to the first voltage and the second voltage. The sources of the first and second P-type transistors are coupled to an output terminal of the voltage tracking circuit, and the output voltage is generated at the output terminal. In response to the second voltage being higher than the first voltage, the control circuit generates the control signal to turn off the first P-type transistor.

Abstract: A method for manufacturing a nanosheet semiconductor device includes forming a poly gate on a nanosheet stack which includes at least one first nanosheet and at least one second nanosheet alternating with the at least one first nanosheet; recessing the nanosheet stack to form a source/drain recess proximate to the poly gate; forming an inner spacer laterally covering the at least one first nanosheet; and selectively etching the at least one second nanosheet.

Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.

Abstract: A method of using NC-MRA to generate pelvic veins images and measure rate of blood flow includes subjecting a lay patient to undergo magnetic resonance scan in cooperation with an ECG monitor and a respiration monitor; scanning coronary sections and transverse sections of kidney veins, lower cavity veins, common iliac veins, and external iliac veins to generate two-dimensional images wherein the two-dimensional images use balanced turbo field echo wave sequence; scanning coronary sections of common cardinal veins of abdominal cavity to generate three-dimensional images wherein the three-dimensional images use fast spin-echo short tau inversion recovery wave sequence and sample signals when the ECG monitor monitors myocardial contractility; and using quantification phase-contrast analysis to measure blood flowing through the transverse sections of the veins in a two-dimensional scan.

Abstract: A semiconductor package including a ring structure with one or more indents and a method of forming are provided. The semiconductor package may include a substrate, a first package component bonded to the substrate, wherein the first package component may include a first semiconductor die, a ring structure attached to the substrate, wherein the ring structure may encircle the first package component in a top view, and a lid structure attached to the ring structure. The ring structure may include a first segment, extending along a first edge of the substrate, and a second segment, extending along a second edge of the substrate. The first segment and the second segment may meet at a first corner of the ring structure, and a first indent of the ring structure may be disposed at the first corner of the ring structure.

Abstract: An organometallic complex, a catalyst composition employing the same, and a method for preparing polyolefin are provided. The organometallic compound has a structure represented by Formula (I) , wherein M is Ti, Zr, or Hf; X is —O—, or —NR6—; R1 and R2 are independently hydrogen, C1-6 alkyl group, C6-12 aryl group, or R1 and R2 are combined with the carbon atoms, to which they are attached, to form an C6-12 aryl moiety; R3, R4 and R5 are independently fluoride, chloride, bromide, C1-6 alkyl group, C6-12 aryl group, C3-6 hetero aryl group, C7-13 aryl alkyl group or C7-12 alkyl aryl group; and R6 is hydrogen, C6-12 aryl group or C7-12 alkyl aryl group.

Abstract: A method for degrading polyethylene terephthalate is provided. The method includes: providing polyethylene terephthalate material, providing a catalyst composite including a porous carrier having a pore size of 45 ? to 250 ? and a metal compound including at least one selected from a group consisting of zinc oxide, zinc hydroxide, zinc carbonate, magnesium oxide, calcium oxide, zirconium oxide, and titanium dioxide, in which the metal oxide is loaded on the porous carrier; and performing a degradation reaction, in which the polyethylene terephthalate material is reacted with the catalyst composite in the presence of an alcohol solvent.

Abstract: The present disclosure relates to novel multifunctionalized silicon nanoparticles, to processes for their preparation and to compositions comprising the novel multifunctionalized silicon nanoparticles. The disclosure also relates to the use of the novel multifunctionalized silicon nanoparticles in electrochemiluminescence based detection methods and in the in vitro detection of an analyte. In particular, the disclosure relates to methods for measuring an analyte by in vitro methods employing the novel multifunctionalized silicon nanoparticles.

Abstract: The present disclosure relates to novel multifunctionalized silicon nanoparticles, to processes for their preparation and to compositions comprising the novel multifunctionalized silicon nanoparticles. The disclosure also relates to the use of the novel multifunctionalized silicon nanoparticles in electrochemiluminescence based detection methods and in the in vitro detection of an analyte. In particular, the disclosure relates to methods for measuring an analyte by in vitro methods employing the novel multifunctionalized silicon nanoparticles.

Abstract: A method of hydrogenating unsaturated compound with multi-carboxylic acid groups is provided, which includes introducing hydrogen to an unsaturated compound with multi-carboxylic acid groups in the presence of a catalyst to hydrogenate the alkene or alkyne group of the unsaturated compound with multi-carboxylic acid groups without hydrogenating the carboxylic acid groups of the unsaturated compound with multi-carboxylic acid groups. The catalyst includes a support, and palladium and metal oxide loaded on the support.

Abstract: The present disclosure relates to novel multifunctionalized silicon nanoparticles, to processes for their preparation and to compositions comprising the novel multifunctionalized silicon nanoparticles. The disclosure also relates to the use of the novel multifunctionalized silicon nanoparticles in electrochemiluminescence based detection methods and in the in vitro detection of an analyte. In particular, the disclosure relates to methods for measuring an analyte by in vitro methods employing the novel multifunctionalized silicon nanoparticles.

Abstract: Disclosed is a 4,4?-dicarboxy-2,2?-bipyridine derived tridentate ligand represented by formula (I): wherein definitions of Y1, Y2, and R are the same as those defined in the specification. Also disclosed are a metal complex containing the aforesaid tridentate ligand and a dye-sensitized solar cell containing the metal complex.

Abstract: A 2-phenyl-6-azolylpyridine-based ligand is represented by the following formula (I): wherein, X represents nitrogen or C—R10; R1, R2, R3, R4, R5, R6, R7, R8 and R10 independently represent hydrogen, halogen, a cyano group, an amino group, an optionally substituted aryl group, an optionally substituted heteroaryl group, sulfate, —COOH, an alkoxy group, a carbonyl group, a C1-C10 haloalkyl group, a C1-C12 alkyl group, a C2-C10 alkenyl group, a C2-C10 alkynyl group, a C3-C20 cycloalkyl group, a C3-C20 cycloalkenyl group, a C1-C20 heterocycloalkyl group, or a C1-C20 heterocycloalkenyl group; and R9 represents hydrogen or alkali metal.

Abstract: The present invention provides a phosphorescent tris-chelated transition metal complex having one carbon-nitrogen (C^N) or nitrogen-nitrogen (N^N) chromophoric ligand forming a coordination sphere thereof with a transition metal, and two identical carbon-phosphorus (C^P) chelates being incorporated into the coordination sphere, wherein the metal is iridium, platinum, osmium or ruthenium, and the chromophoric ligands possess a relatively lower energy gap in comparison with that of the non-chromophoric chelate, the latter afforded an effective barrier for inhibiting the ligand-to-ligand charge transfer process, so that bright phosphorescence can be observed. The architecture and energy gap of the present molecular designs are suitable for generation of high efficiency blue, green and even red emissions.

Abstract: A modularized power control device for a computer system includes an upper plate, a lower plate, a first connecting unit and a second connecting unit. The upper plate has a first voltage converter for converting a first voltage into a plurality of first operating voltages. The lower plate has a second voltage converter and a fan control module. The second voltage converter is configured to receive a second voltage and convert the second voltage into a plurality of second operating voltages. The fan control module is configured to control operations of a plurality of heat dissipation fans inside the computer system. The first connecting unit is configured to connect a plurality of power lines of the upper plate and power lines of the lower plate. The second connecting unit is configured to connect a plurality of signal lines of the upper plate and signal lines of the lower plate.

Abstract: A 2-phenyl-6-azolylpyridine-based ligand is represented by the following formula (I): wherein, X represents nitrogen or C—R10; R1, R2, R3, R4, R5, R6, R7, R8 and R10 independently represent hydrogen, halogen, a cyano group, an amino group, an optionally substituted aryl group, an optionally substituted heteroaryl group, sulfate, —COOH, an alkoxy group, a carbonyl group, a C1-C10 haloalkyl group, a C1-C12 alkyl group, a C2-C10 alkenyl group, a C2-C10 alkynyl group, a C3-C20 cycloalkyl group, a C3-C20 cycloalkenyl group, a C1-C20 heterocycloalkyl group, or a C1-C20 heterocycloalkenyl group; and R9 represents hydrogen or alkali metal.

Abstract: The present invention provides a phosphorescent tris-chelated transition metal complex having one carbon-nitrogen (C?N) or nitrogen-nitrogen (N?N) chromophoric ligand forming a coordination sphere thereof with a transition metal, and two identical carbon-phosphorus (C?P) chelates being incorporated into the coordination sphere, wherein the metal is iridium, platinum, osmium or ruthenium, and the chromophoric ligands possess a relatively lower energy gap in comparison with that of the non-chromophoric chelate, the latter afforded an effective barrier for inhibiting the ligand-to-ligand charge transfer process, so that bright phosphorescence can be observed. The architecture and energy gap of the present molecular designs are suitable for generation of high efficiency blue, green and even red emissions.

Abstract: The present invention discloses a phosphorescent tris-chelated transition metal complex comprising i) two identical carbon-nitrogen (C^N) or nitrogen-nitrogen (N^N) chromophoric ligands being incorporated into a coordination sphere thereof with a transition metal, and one carbon-phosphorus (C^P) chelate being incorporated into the coordination sphere; or ii) one carbon-nitrogen (C^N) or nitrogen-nitrogen (N^N) chromophoric ligand forming a coordination sphere thereof with a transition metal, and two identical carbon-phosphorus (C^P) chelates being incorporated into the coordination sphere, wherein the metal is iridium, platinum, osmium or ruthenium, and the chromophoric ligands possess a relatively lower energy gap in comparison with that of the non-chromophoric chelate, the latter afforded an effective barrier for inhibiting the ligand-to-ligand charge transfer process, so that bright phosphorescence can be observed.