Abstract: Some embodiments of the disclosure provide a decellularized heart valve (DHV) composite, a preparation method of the DHV composite, and a use of the DHV composite. In some examples, the preparation method of the DHV composite includes the following steps: S1, conducting a reaction I on a DHV with a copper chloride-dopamine hydrochloride mixed solution to obtain a copper ion-modified DHV; and S2, conducting a reaction II on the copper ion-modified DHV with a GDF11 solution to obtain the DHV composite. In other examples, the present disclosure provides a use of the DHV composite in preparation of a tissue-engineered heart valve (TEHV). In further examples, the TEHV is a heart valve (HV) with remodeling and regeneration capabilities.

Abstract: The present disclosure belongs to the technical field of semiconductors, and provides a light-emitting diode epitaxial wafer, a growth method therefor, and a light-emitting diode chip. The growth method comprises: placing a sapphire substrate into a reaction chamber; introducing a reaction gas into the reaction chamber, and forming a plurality of GaN crystal nuclei containing In atoms on the surface of the sapphire substrate; growing at least one composite layer on the GaN crystal nuclei, the GaN crystal nuclei growing to form a buffer layer, and each composite layer comprising an InGaN sublayer and a GaN sublayer that is grown on the InGaN sublayer; and successively growing an N-type GaN layer, an active layer and a P-type GaN layer on the buffer layer to form an epitaxial wafer, the active layer comprising alternately stacked InGaN quantum wells and GaN quantum barriers.

Abstract: The invention belongs to ecological revetments in the technical field of river ecology, which particularly involves an ecological revetment to regulate wandering rivers. The ecological revetment is composed of porous concrete-piles, ecological connecting-plates, an ecological viewing-corridor and a slope green-belt. The ecological landscape-corridor and anchor rod are placed on the upper and middle parts of the pile structure, respectively. In virtue of the innovative structure, the ecological revetment will strengthen the revetment structure, reduce the revetment settlement, prevent the revetment from moving, and enhance the overall stability of the revetment project. The ecological holes exist on the ecological connecting-plates, which is beneficial to the exchange of material and energy from the river course and the bank slope, and the holes could greatly enhance the self-cleaning capacity of the water body.

Abstract: A memory device, an operating method thereof, a system, and a non-transitory tangible storage medium are disclosed. The memory device includes a source line (SL), a bit line (BL), a memory string, a word line, a select line and a peripheral circuit. The memory string includes a memory cell and a select transistor including a storage layer. The word line is coupled to the memory cell. The select line is coupled to the select transistor. The peripheral circuit is coupled to the SL, the BL, the select line, and the word line. The peripheral circuit is configured to: apply a first voltage to the select line; and apply a second voltage to the SL and/or the BL, in which a first peak level of the first voltage is greater than a second peak level of second voltage.

Abstract: A low coherence imaging method comprises acquiring image data of an object with an interferometric imaging system, where the image data is from a location of the object at first and second times; determining a first depth profile from the image data from the location at the first time and a second depth profile from the image data of the location at the second time; determining a change with respect to depth between the first and second depth profiles; and determining a property, or identifying a location, of at least one dynamic particle in the object based on the change between the first and second depth profiles. The method is able to identify, analyze, and/or visualize dynamic particles with features comparable to at least fluorescein angiography, indocyanine green angiography, confocal scanning laser fluorescein angiography, confocal scanning laser indocyanine green angiography, and fluorescence microscopy images, without the use of a dye.

Abstract: The present disclosure relates to a fused ring pyrimidine amino compound and a preparation method, a pharmaceutical composition, and a use thereof. Specifically disclosed in the present disclosure are the compound shown in formula I, a pharmaceutically acceptable salt thereof, a tautomer thereof, a stereoisomer thereof, a metabolite thereof, a metabolic precursor thereof, or a prodrug thereof. The fused ring pyrimidine amino compound of the present application has good inhibitory activity against DDRs, particularly DDR2, and has a good therapeutic effect on tumors and fibrotic diseases, especially pulmonary inflammation and pulmonary fibrosis. Also disclosed in the present disclosure are a preparation method for the compound shown in formula I, and a use thereof.

Abstract: The disclosure discloses a mounting member including two support rails extending side by side. The two support rails include a first section and a second section in an extension direction thereof. The first section is adapted to carry a device with a first size, and the second section is adapted to carry a device with a second size. Grooves are provided on a top surface of the support rails so as to avoid interference between the bottom surface of the device and the top surface of the support rails. The disclosure also discloses a device assembly including a plurality of devices and the mounting member. The mounting member of the present disclosure allows the plurality of devices to be directly mounted on the two support rails without the need of additional support rails or spacers, thereby reducing the number of parts and improving the integrity and ease of installation of the device assembly.

Abstract: A fishing line spooler configured to engage a shaft of a fishing rod. The fishing line spooler includes a clamp selectively securable to the shaft of the fishing rod and a mounting shaft. The mounting shaft receives a fishing line supply spool along its length. The supply spool is configured to rotate around the mounting shaft. The mounting shaft is selectively mountable to the clamp in a first orientation or a second orientation. In the first orientation, the mounting shaft is secured to the clamp parallel to the longitudinal axis of the fishing rod and feeds a spinning reel. In the second orientation, the mounting shaft is secured to the clamp perpendicular to the longitudinal axis of the fishing rod and feeds a casting reel.

Abstract: The present disclosure relates to a fused ring pyrimidine amino compound and a preparation method, a pharmaceutical composition, and a use thereof. Specifically disclosed in the present disclosure are the compound shown in formula I, a pharmaceutically acceptable salt thereof, a tautomer thereof, a stereoisomer thereof, a metabolite thereof, a metabolic precursor thereof, or a prodrug thereof. The fused ring pyrimidine amino compound of the present application has good inhibitory activity against DDRs, particularly DDR2, and has a good therapeutic effect on tumors and fibrotic diseases, especially pulmonary inflammation and pulmonary fibrosis. Also disclosed in the present disclosure are a preparation method for the compound shown in formula I, and a use thereof.

Abstract: A heat dissipation apparatus is provided, an electronic component is disposed on one side of an adjustable heat dissipation component, and a rotating shaft is disposed on another side of the adjustable heat dissipation component; and one end of a connecting component is connected to the adjustable heat dissipation component, another end of the connecting component is connected to a fixed substrate, and the connecting component drives the adjustable heat dissipation component to rotate by using the rotating shaft. The connecting component may be adjusted to rotate the electronic component together with the adjustable heat dissipation component, to reduce complexity in deploying the electronic component and the heat dissipation apparatus without affecting a heat dissipation effect, thereby improving convenience of operation.

Abstract: An ophthalmologic apparatus includes: an objective lens 18 configured to face a subject's eye E; an illumination optical system 1c configured to irradiate the subject's eye E with illumination light L1; a measurement optical system 1 b configured to take an interference image of corneal reflection light R1, which is a reflection of the illumination light L1, through the objective lens 18; an observation optical system 1a configured to image an anterior segment of the subject's eye E through the objective lens 18; a control unit 2 configured to process information on imaging by the measurement optical system 1b and the observation optical system 1 a; and the control unit 2 configured to simultaneously output, to a single output unit 3, tear film information calculated from the interference image by the measurement optical system 1 b, and information on the anterior segment E imaged by the observation optical system 1a.

Abstract: Shadows caused by opacities and obstructions (such as blood vessels) can block detection of structural information of objects below the shadow-causing structure, affecting visualization and analysis of those deeper structures. An image processing method for removing these shadows includes applying a low pass filter to an energy profile of an image to remove high frequency fluctuations in energy, thereby effectively recovering lower energy inside shadow regions and removing high frequency speckle. The image is then adjusted, for example by linear scaling, based on the filtered energy profile. Two dimensional filters may also be applied for volumes.

Abstract: A fishing line spooler configured to engage a shaft of a fishing rod. The fishing line spooler includes a clamp selectively securable to the shaft of the fishing rod and a mounting shaft. The mounting shaft receives a fishing line supply spool along its length. The supply spool is configured to rotate around the mounting shaft. The mounting shaft is selectively mountable to the clamp in a first orientation or a second orientation. In the first orientation, the mounting shaft is secured to the clamp parallel to the longitudinal axis of the fishing rod and feeds a spinning reel. In the second orientation, the mounting shaft is secured to the clamp perpendicular to the longitudinal axis of the fishing rod and feeds a casting reel.

Abstract: Shadows caused by opacities and obstructions (such as blood vessels) can block detection of structural information of objects below the shadow-causing structure, affecting visualization and analysis of those deeper structures. An image processing method for removing these shadows includes applying a low pass filter to an energy profile of an image to remove high frequency fluctuations in energy, thereby effectively recovering lower energy inside shadow regions and removing high frequency speckle. The image is then adjusted, for example by linear scaling, based on the filtered energy profile. Two dimensional filters may also be applied for volumes.

Abstract: The disclosure discloses a mounting member including two support rails extending side by side. The two support rails include a first section and a second section in an extension direction thereof. The first section is adapted to carry a device with a first size, and the second section is adapted to carry a device with a second size. Grooves are provided on a top surface of the support rails so as to avoid interference between the bottom surface of the device and the top surface of the support rails. The disclosure also discloses a device assembly including a plurality of devices and the mounting member. The mounting member of the present disclosure allows the plurality of devices to be directly mounted on the two support rails without the need of additional support rails or spacers, thereby reducing the number of parts and improving the integrity and ease of installation of the device assembly.

Abstract: A low coherence imaging method comprises acquiring image data of an object with an interferometric imaging system, where the image data is from a location of the object at first and second times; determining a first depth profile from the image data from the location at the first time and a second depth profile from the image data of the location at the second time; determining a change with respect to depth between the first and second depth profiles; and determining a property, or identifying a location, of at least one dynamic particle in the object based on the change between the first and second depth profiles. The method is able to identify, analyze, and/or visualize dynamic particles with features comparable to at least fluorescein angiography, indocyanine green angiography, confocal scanning laser fluorescein angiography, confocal scanning laser indocyanine green angiography, and fluorescence microscopy images, without the use of a dye.

Abstract: A heat dissipation apparatus is provided, an electronic component is disposed on one side of an adjustable heat dissipation component, and a rotating shaft is disposed on another side of the adjustable heat dissipation component; and one end of a connecting component is connected to the adjustable heat dissipation component, another end of the connecting component is connected to a fixed substrate, and the connecting component drives the adjustable heat dissipation component to rotate by using the rotating shaft. The connecting component may be adjusted to rotate the electronic component together with the adjustable heat dissipation component, to reduce complexity in deploying the electronic component and the heat dissipation apparatus without affecting a heat dissipation effect, thereby improving convenience of operation.

Abstract: An oil distributing device and a refrigeration system having the oil distributing device are disclosed. The oil distributing device is connected among at least three compressors and is configured to distribute oil among the at least three compressors. The oil distributing device includes: a first joint assembly including a plurality of passages fluidly isolated from each other; a plurality of second joint assemblies; and a plurality of connecting pipes respectively connecting the plurality of second joint assemblies to the plurality of passages of the first joint assembly in one-to-one correspondence. For example, the oil distributing device and the refrigeration system according to the embodiments of the present invention can achieve a better oil balance control.

Abstract: A compressor system includes: at least one variable-speed compressor, at least one fixed-speed compressor, a main suction pipe and a main discharge pipe; respective suction pipes of the variable-speed compressor and the fixed-speed compressor are connected to the main suction pipe in parallel, and respective discharge pipes of the variable-speed compressor and the fixed-speed compressor are connected to the main discharge pipe in parallel. The main suction pipe is configured with an oil-gas separation fitting structure, and the oil-gas separation fitting structure is designed to enable most oil of oil-gas mixture from the main suction pipe to move into the variable-speed compressor, and to make the variable-speed compressor stay in an oil-rich state.

Abstract: A floor control apparatus and method, the method including receiving, by a media resource function entity, a first floor application message sent by UE, generating, by the media resource function entity, a second floor application message according to the first floor application message, sending, by the media resource function entity, the second floor application message to a mission-critical push-to-talk (MCPTT) server, receiving, by the media resource function entity, a first floor grant message that is in response to the second floor application message and that is sent by the MCPTT server, generating, by the media resource function entity, a second floor grant message according to the first floor grant message, and sending, by the media resource function entity, the second floor grant message to the UE.