6results about How to "Improve technical level" patented technology

A magnetic resonance-compatible programmable synchronized photostimulation system includes a main control unit and a stimulation execution unit. The main control unit is located outside the magnetic resonance scanning room, while the stimulation execution unit is located inside the scanning room and consists only of an LED light panel shielded by a magnetic field. The main control unit is configured to: receive photostimulation sequence parameters configured by the user in a modular manner through a graphical interface; receive a scan trigger signal from the magnetic resonance equipment, and automatically control the start and stop of the photostimulation sequence based on the trigger signal using hardware triggering; thereby achieving high-precision time synchronization between photostimulation and magnetic resonance scanning while maintaining magnetic resonance compatibility. This invention solves electromagnetic compatibility issues through a split architecture, achieves millisecond-level synchronization accuracy through hardware TTL triggering, and enhances experimental paradigm flexibility through modular programmable sequences, making it suitable for neuroscience research fields such as functional magnetic resonance imaging.

This utility model discloses a visual inspection device for nonwoven fabrics, comprising a main frame and feet and rollers fixedly installed at the bottom of the main frame. A roller assembly is sequentially arranged above the main frame for tightening and unwinding the nonwoven fabric. A light source mechanism is fixedly installed above the roller assembly. A support frame is fixedly installed above the main frame. A set of camera lenses is respectively installed at the bottom of the main frame and the top of the support frame. The camera lenses are fixedly connected to a camera height adjustment module. A connecting frame is fixedly installed on the right side of the support frame, and a labeling machine assembly is fixedly installed on the connecting frame. This utility model discloses a visual inspection device for nonwoven fabrics with high-precision recognition: through a high-resolution camera, optical sensor, and AI algorithm, it can detect minute defects (such as holes, stains, and uneven fibers) that are difficult to detect with the naked eye, with an accuracy down to the micrometer level, eliminating human error and ensuring the consistency and reliability of the inspection results.

The invention discloses a preparation method and a quality detection method of a honey loquat leaf standard decoction, and relates to the technical field of quality research of traditional Chinese medicinal materials. The method comprises the following steps: weighing a proper amount of honey folium eriobotryae decoction pieces, putting the honey folium eriobotryae decoction pieces into a marmite, decocting twice, adding 12 times of water for soaking for 30 minutes for the first time, boiling with strong fire, and then decocting with slow fire for 30 minutes; adding 10 times of water for the second time, boiling with strong fire, then decocting with slow fire for 20 minutes, filtering the liquid medicine with 200 meshes, cooling the filtrate to room temperature in a cold water bath, combining the two filtrates, carrying out vacuum concentration at the temperature of 50 DEG C, carrying out vacuum concentration at the absolute vacuum degree of 30-40mbar until the weight ratio of the medicinal material to the fluid extract is about 1: 1, collecting the concentrated solution, and carrying out freeze drying to obtain a sample. According to the method, key quality indexes such as the main content, the characteristic chromatogram and the extract of the honey loquat leaves after the decoction is prepared are measured, the transfer rate is investigated, the component transfer condition from decoction pieces to the decoction is measured by an objective quality standard, and the quality degree and effectiveness of the decoction are ensured.

The invention discloses a preparation method and a quality detection method of a vinegar rhizoma corydalis standard decoction, and relates to the technical field of quality research of traditional Chinese medicinal materials. The preparation method comprises the following steps: weighing a proper amount of vinegar-processed rhizoma corydalis decoction pieces, putting into a marmite, decocting twice, adding 9 times of water for soaking for 30 minutes for the first time, boiling with strong fire, and decocting with slow fire for 30 minutes; 7 times of water is added for the second time, the mixture is boiled with strong fire and then decocted with slow fire for 20 min, the liquid medicine is filtered with 200 meshes, the filtrate is cooled to the room temperature in a cold water bath, the two filtrates are combined, vacuum concentration is conducted at the temperature of 50 DEG C, vacuum concentration is conducted at the absolute vacuum degree of 30-40 mbar until the weight ratio of the medicinal materials to the fluid extract is about 1: 1, concentrated liquid is collected, and freeze drying is conducted to obtain a sample. According to the method, key quality indexes such as the main content, the characteristic chromatogram and the extract of the vinegar rhizoma corydalis after the decoction is prepared are measured, the transfer rate is investigated, the component transfer condition from decoction pieces to the decoction is measured through objective quality standards, and the quality degree and effectiveness of the decoction are ensured.

The invention discloses a preparation method and a quality detection method of a ligusticum wallichii standard decoction, and relates to the technical field of quality research of traditional Chinese medicinal materials. The method comprises the following steps: weighing a proper amount of ligusticum wallichii decoction pieces, putting the decoction pieces into a marmite, decocting twice, adding 9 times of water for soaking for 30 minutes for the first time, boiling with strong fire, and then decocting with slow fire for 30 minutes; 7 times of water is added for the second time, the mixture is boiled with strong fire and then decocted with slow fire for 20 min, the liquid medicine is filtered with 200 meshes, the filtrate is cooled to the room temperature in a cold water bath, the two filtrates are combined, vacuum concentration is conducted at the temperature of 50 DEG C, vacuum concentration is conducted at the absolute vacuum degree of 30-40 mbar until the weight ratio of the medicinal materials to the fluid extract is about 1: 1, concentrated liquid is collected, and freeze drying is conducted to obtain a sample. According to the method, key quality indexes such as the main content, the characteristic chromatogram and the extract of the ligusticum wallichii after the decoction is prepared are measured, the transfer rate is investigated, the component transfer condition from decoction pieces to the decoction is measured through objective quality standards, and the quality degree and effectiveness of the decoction are ensured.

This invention discloses a method for preparing a standard decoction of Apocynum venetum leaves and its quality testing, belonging to the field of traditional Chinese medicine quality research technology. The invention includes the following steps: Weigh an appropriate amount of Apocynum venetum leaf slices, place them in a clay pot, and decoct twice. For the first decoction, add 12 times the amount of water, soak for 30 minutes, bring to a boil over high heat, then simmer over low heat for 30 minutes. For the second decoction, add 10 times the amount of water, bring to a boil over high heat, then simmer over low heat for 20 minutes. Filter the decoction through a 200-mesh sieve, cool the filtrate to room temperature in a cold water bath, combine the two filtrates, and concentrate under vacuum at 50°C and an absolute vacuum of 30–40 mbar until a fluid extract with a weight ratio of approximately 1:1 is obtained. Collect the concentrate and freeze-dry to obtain the sample. This invention determines the main content, characteristic chromatograms, and extractives of Apocynum venetum leaves after decoction preparation, and investigates the transfer rate. It provides an objective quality standard to measure the component transfer from the slices to the decoction, ensuring the quality and effectiveness of the decoction.