6results about How to "Unique features" patented technology

The invention belongs to the technical field of catalysts, and particularly relates to a palladium-polyoxometallate cluster-cluster catalyst as well as a preparation method and application thereof. The palladium-polyoxometallate cluster-cluster catalyst is formed by self-assembly of a sub-nanometer Pd cluster derived from a palladium precursor and polyoxometallate, and the polyoxometallate is phosphotungstic acid (PW12), phosphomolybdic acid (PMo12), undecanoyl molybdenum-vanadium phosphate (PMo11V1), decamolybdenum divanadium phosphate (PMo10V2) or non-molybdenum trivanadium phosphate (PMo9V3). The invention provides a stable palladium-polyoxometallate self-assembled cluster-cluster catalyst which is prepared in one pot, has sub-nano Pd clusters and is used for preparing ketone through low-temperature, low-pressure and high-selectivity hydrogenation.

The utility model relates to a pipeline arrangement device for nursing. The pipeline arrangement device comprises a support; the mounting seat is connected with the bracket; the long-strip-shaped connecting frames are arranged at the bottom of the mounting base side by side; the pipeline fixing clamp is mounted on the connecting frame in a sliding manner and is used for fixing and arranging pipelines; and the pipeline winding assembly is mounted at one end of the connecting frame and is used for winding the pipeline. Compared with the prior art, the pipeline arrangement device has the advantages that numerous pipelines are effectively arranged, redundant pipelines are wound and wound in order, the anti-slipping performance of the pipelines is improved, the pipeline arrangement efficiency is improved, and the operation and management difficulty of medical staff is reduced.

This invention relates to the field of fluorescence sensing materials technology, specifically to a biporous cationic covalent organic framework material, its preparation method, a ratiometric fluorescent probe, and its applications. The unit cell parameters of the biporous cationic covalent organic framework material are: a = 72.3305 Å, b = 72.3305 Å, c = 3.7877 Å, α = β = 90.000°, γ = 120.000°; its structure is shown in Formula I. This invention utilizes the strong electrostatic interaction between the nanoscale pore wall ion sites of the biporous cationic covalent organic framework material and the charged groups of fluoroquinolone antibiotics, combined with a spatial matching effect, to achieve highly selective recognition of FQs.

The invention discloses an anti-hemolysis hydrogel coating as well as a preparation method and application thereof, a micron-sized porous structure and a hydrophilic silane bonding layer are constructed on the surfaces of various base materials, and the adhesive force of the hydrogel coating and the base materials is remarkably enhanced through a physical topology winding and covalent bond connection method. Through the methods of spraying, dipping, coating, mold forming and the like, the device can be suitable for blood contact medical instruments with different shapes and materials; by adjusting the formula and preparation process parameters of the hydrogel, the special requirements of different medical instruments can be met, and the hydrogel has wide applicability and good expandability. Through optimized materials and design, the anti-hemolysis hydrogel coating disclosed by the invention has remarkable technical advantages in the aspects of reducing hemolysis risk, improving biocompatibility, simplifying the structure of medical equipment and the like.

The invention discloses a mangrove endophytic fungus, a fermentation product of the mangrove endophytic fungus, a preparation method of a solid-state fermentation preparation and application of the mangrove endophytic fungus, the mangrove endophytic fungus, the solid-state fermentation preparation of the mangrove endophytic fungus, the mangrove endophytic fungus, the solid-state fermentation preparation of the mangrove endophytic fungus and the solid-state fermentation preparation of the mangrove endophytic fungus, the mangrove endophytic fungus, the mangrove endophytic fungus and the solid-state fermentation preparation of the mangrove endophytic fungus, the mangrove endophytic fungus, the mangrove endophytic fungus and the solid-state fermentation preparation of the mangrove endophytic fungus, a metabolite of the strain has unique structural characteristics and biological activity, and a fermentation product prepared from the mangrove endophytic fungi has good antagonistic activity on gram-positive bacteria and can be widely applied to prevention and treatment of bacterial infection.

The invention relates to the field of neutron source targets, and discloses a TiZrNbTa hydrogen diffusion layer of an accelerator neutron source target and a preparation method of the TiZrNbTa hydrogen diffusion layer. The TiZrNbTa hydrogen diffusion layer comprises the following elements in percentage by atomic number: 20%-30% of Ti, 20%-30% of Zr, 20%-30% of Nb and 20%-30% of Ta. The hydrogen diffusion layer provided by the invention is based on TiZrNbTa, has excellent binding force with the surface of the matrix, and also has an excellent hydrogen diffusion effect, so that the hydrogen diffusion layer is not easy to crack / fall off, and the service life of the accelerator neutron source target can be effectively prolonged. According to the method, the TiZrNbTa alloy serves as the target material and is deposited on the surface of the base body through magnetron sputtering, and the high-quality TiZrNbTa hydrogen diffusion layer can be obtained.