6results about How to "Process standardization" patented technology

This invention belongs to the technical field of power equipment operation and maintenance, power distribution line construction, and high-altitude operation machinery. A pole-mounted transformer replacement device based on a truck-mounted crane is characterized by comprising a main frame and support system, a translational load-bearing system, a chain drive system, and a vertical lifting and centering system. The main frame and support system includes a main load-bearing frame, stabilizing legs, and lifting lugs. The translational load-bearing system includes a translational load-bearing platform and a linear guide rail slider assembly. The chain drive system mainly consists of a geared motor, a drive gear, a driven gear, a short transmission chain, a drive sprocket shaft, a bearing support seat, a long transmission chain, and a reducer mounting support. The vertical lifting and centering system includes a centering mechanism, a vertical lifting mechanism, and a vertical lifting support plate. The centering mechanism includes a horizontal drive motor, a horizontal push rod mechanism, and a guide bracket. This device can be transported by truck, deployed quickly, and is suitable for operation in confined and electrified environments.

The invention discloses a vascular endothelial cell as well as a preparation method and application thereof. The preparation method comprises the following steps: inoculating induced pluripotent stem cells into a culture medium containing an ROCK signal channel inhibitor for culturing, and inducing the cultured induced pluripotent stem cells by using a culture medium containing a Wnt signal channel activator and a BMP signal channel activator, so that the induced pluripotent stem cells are differentiated into mesoderm cells; inducing the mesoderm cells by using a culture medium containing a vascular endothelial growth factor and a cAMP signaling pathway agonist, so that the mesoderm cells are differentiated into endothelial coarse cells; and performing positive sorting of the endothelial cell marker CD144 on the endothelial coarse cells to obtain purified vascular endothelial cells. The induction path of the method is clear and efficient, the period is short, the vascular endothelial cell population with high purity, complete vascular barrier function and mature phenotype can be obtained, and the cell population can be applied to construction of a vascular network in a gel matrix.

The invention discloses a grinding and polishing clamp for a plate-shaped tensile sample, and relates to the technical field of material processing engineering, the grinding and polishing clamp comprises a mounting disc, a liquid storage box and a clamping part; the mounting disc serves as a basic supporting part, a rotating shaft connector externally connected with a rotating driving device is arranged in the center of the mounting disc, the liquid storage box is arranged above the mounting disc, and the clamping part is arranged on the surface, away from the liquid storage box, of the mounting disc; the liquid storage box is used for storing and outputting polishing liquid or water, and the clamping part is used for clamping and positioning a plate-shaped tensile sample; according to the grinding and polishing clamp for the plate-shaped tensile sample, through the clamping block, the adjusting gasket and the anti-loosening structure, a thin plate sample is stably fixed, deviation and warping are avoided, meanwhile, the clamp can adapt to samples with different thicknesses and widths, the machining process is standardized, manual operation is replaced by automatic grinding, and the design of laminar flow liquid supply and flow adjustment of the guide plate is matched; the surface flatness and the roughness uniformity are ensured, the scale distance section machining area is accurately locked, and the characterization requirements of SEM and EBSD are met.

The application discloses a traditional Chinese medicine compound preparation for resisting middle and late malignant tumors with metastasis and a preparation method thereof, and belongs to the technical field of traditional Chinese medicine compound preparation. A three-layered layered targeting matching framework is innovatively constructed, the compound is divided into three functional groups of a targeting evil-eliminating treatment layer, an evil-eliminating and cancer metastasis inhibiting layer and a tonifying layer, and three pathological links of a tumor primary focus, a metastasis path and a body deficiency are accurately corresponded; in view of the three-layered functional medicinal materials, a 30:1, 20:1 and 10:1 differentiated crude drug-dry extract gradient concentration process is matched, and a concentrated pill preparation is prepared by combining grouping directional extraction, grading refining and segmented low-temperature pill making core technologies. The application breaks through the technical short board of traditional Chinese medicine anti-tumor prescription, such as disordered prescription, single process, loss of active ingredients and scattered efficacy, and accurately targets tumor inhibition, metastasis blocking and tonifying and reinforcing by layered matching, and meanwhile, the whole process is adapted to general production equipment of domestic traditional Chinese medicine enterprises, and the process flow is standardized and has strong mass production.

The application provides a silver ore oxidation degree analysis method, belongs to the field of mineral processing and process mineralogy, and selects a to-be-measured silver ore sample, performs solidification treatment after cutting, and obtains a primary sample; performs grinding and polishing and carbon spraying treatment on the primary sample to obtain an automatic mineralogy analysis sample; performs automatic mineralogy analysis on the automatic mineralogy analysis sample, measures silver mineral content and silver content of each silver mineral, calculates an ore theoretical silver grade; measures the length of an exposed surface of a single silver mineral particle, determines the centroid position of each silver mineral particle, and calculates a centroid distance; obtains an actual silver grade of the to-be-measured silver ore sample through gravity separation, and calculates a correction coefficient; and based on mineral spatial geometric relations and density parameters, the overall oxidation rate of the silver ore and the oxidation rate of a specific silver mineral phase are calculated. The application provides a quantitative analysis method based on automatic mineralogy technology and spatial geometric relations, and realizes accurate, objective and efficient determination of the silver ore oxidation degree.

The application belongs to the technical field of agricultural research and silage feed experimental research, and discloses a standardized quantitative silage raw material mixing experimental instrument, which comprises a treatment bin and a plurality of storage bins, the storage bins are arranged on the top surface of the treatment bin, a pressure monitoring control module and a feeding assembly are arranged in the storage bins, and the pressure monitoring control module is electrically connected with the feeding assembly; a partition is arranged in the treatment bin, a mixing assembly is arranged on the top surface of the partition, a pressing assembly is arranged on the bottom surface of the partition, a fixing ring is arranged at the top end of the pressing assembly, a plurality of frustopyramidal shapes are arranged on the fixing ring, and the frustopyramidal shapes are matched with through holes on the partition; a connecting cylinder is arranged at the bottom end of the treatment bin, and a collecting tank is arranged on the connecting cylinder; a plurality of raw materials can be stored in the plurality of storage bins, the feeding assembly is controlled by the pressure monitoring control module, accurate quantitative feeding is realized, and the mixing, transfer and pressing of the raw materials are automatically completed by the mixing assembly and the pressing assembly, so that the burden of the staff is reduced.