8results about How to "Moderate intensity" patented technology

The invention relates to the technical field of biological medicines, and discloses hyaluronic acid modified metal coordination albumin nanoparticles as well as a preparation method and application thereof. The hyaluronic acid modified metal coordination albumin nanoparticle comprises a core and a hyaluronic acid shell layer, wherein the core is formed by self-assembly of an albumin-drug compound, poly-L-aspartic acid and ferric ions through coordination, and the hyaluronic acid shell layer is connected to the surface of the core through coordination or adsorption. According to the hyaluronic acid modified metal coordination albumin nanoparticles as well as the preparation method and the application thereof, the preparation method is simple, convenient and rapid, does not need complex covalent modification, is mild in condition and is easy for large-scale production, and the prepared nanoparticles are uniform in particle size, good in stability and high in stability. In addition, due to the fact that the hyaluronic acid is modified on the surface, the active targeting capacity on CD44 receptor high-expression tumor cells is achieved, the enrichment and treatment effects of the medicine on the tumor site are remarkably improved, and the application prospect in preparation of the anti-tumor medicine is wide.

The utility model belongs to the technical field of potassium nitrate granule production, provide a kind of production system of potassium nitrate granule.The production system, including granulating system;Granulating system includes fluidized drying bed, first screening machine, pneumatic conveyer, cyclone separator, extrusion granulator, second screening machine, hopper and packing machine connected in turn and can communicate.The production process uses the above production system to carry out potassium nitrate granule production.The production system is built using existing equipment on potassium nitrate production line, and the equipment investment is less, and the process flow is short, and the operation is simple, and it is not necessary to build another production line.The prepared potassium nitrate granule is regular granular in appearance, and the granule strength is moderate, and there is no powdering in storage and transportation process.

This invention discloses a binder, its preparation method, and its application. The binder comprises the following raw materials: a compound containing soft segments, a compound containing hard segments, and a chain extender. The compound containing soft segments includes polyether polyols and polyester polyols, wherein the polyether polyols are end-capped with amino or hydroxyl groups, and the polyester polyols are end-capped with amino or hydroxyl groups. The compound containing hard segments is a diisocyanate, and the chain extender is a chain extender containing phenolic groups. This binder helps solve the interface problem of the positive electrode during battery operation and is expected to improve the cycle life and stability of the battery.

The invention belongs to the technical field of electromagnetic nondestructive testing, and particularly relates to a decarburized layer thickness detection method and device based on pulsed eddy current and a medium. A probe comprising multiple coils and a self-calibration unit is placed on the surface of a workpiece to apply excitation, and positioning is completed; carrying out amplification and phase calculation on the received signal, analyzing and optimizing a coil excitation pickup sequence through sample piece pre-scanning, collecting a response signal based on the optimized sequence, and extracting time-frequency domain composite features; performing multi-frequency scanning on the workpiece by using the optimized sequence, extracting features of a scanning position, inputting the features into a pre-trained deep learning model, and outputting thickness information; and judging whether a standard is met according to the thickness information. According to the method, by optimizing the coil excitation sequence and combining with the deep learning model, the detection precision is improved, and nondestructive evaluation of the thickness of the decarburized layer can be effectively achieved.

This utility model relates to an inner panel of an offset collision energy-absorbing box for automobiles, including an inner panel body structure that is groove-shaped. Multiple sets of energy-absorbing inner pressure-reducing groove structures, stamped together with the inner panel body, are provided within the inner panel body. A stamped inner arc surface is provided at the folded edge of the inner panel body structure. Each energy-absorbing inner pressure-reducing groove structure includes a bottom groove and a set of transition flared structures connected at the outer end of each bottom groove to the bent edge of the inner panel body structure. The inner panel of the offset collision energy-absorbing box with the inner pressure-reducing groove structure effectively ensures sufficient strength in the upper part of the automobile pillar reinforcement structure, reducing deformation caused by side collisions and ensuring occupant survival space. It also ensures sufficient plastic deformation capacity and appropriate strength in the lower part of the automobile pillar reinforcement structure, absorbing energy from side collisions and preventing sheet metal tearing.

The application provides a gap oxygen-doped Ti-Zr-Nb-Al medium-entropy alloy with a superhard oxide layer, and an expression is as follows: (Ti a Zr b Nb c Al d ) 100‑e O e , 40 at.%≤a≤50 at.%, 36 at.%≤b≤45 at.%, 3 at.%≤c≤17at.%, 1 at.%≤d≤7 at.%, 0.5 at.%≤e≤2.0 at.%, a+b+c+d=100 at.%. A preparation method comprises the following steps: mixing raw materials, smelting to prepare a cast ingot, polishing after wire cutting, and polishing to obtain the gap oxygen-doped Ti-Zr-Nb-Al medium-entropy alloy with the superhard oxide layer. Then, the gap oxygen-doped Ti-Zr-Nb-Al medium-entropy alloy with the superhardoxide layer is obtained by heat oxidation for 6h under the condition that the temperature is 500 DEG C and the air atmosphere is air, and natural cooling to room temperature. An application is also provided, and is used for medical orthopedic implant materials. The gap oxygen-doped Ti-Zr-Nb-Al medium-entropy alloy with the superhard oxide prepared by the application has a low elastic modulus, the surface of the alloy in an oxidized state has superhigh hardness, has good wear resistance, and can be used for medical orthopedic implant materials.

The utility model discloses a simple microbial fertilizer granulating device, which relates to the field of granulating devices and comprises a base. The granulating device comprises a base, a granulating cylinder, a fixed cylinder, a rotary granulating mechanism, a spraying mechanism and a filtering mechanism, the granulating cylinder is fixedly connected to the top end of the base, the fixed cylinder is fixedly connected to the top end of the inner wall of the granulating cylinder, the rotary granulating mechanism is arranged in the fixed cylinder, the spraying mechanism is arranged on the fixed cylinder, and the filtering mechanism is arranged in the granulating cylinder. By means of the arrangement mode that the granulating cylinder, the fixed cylinder, the rotary granulating mechanism, the spraying mechanism and the filtering mechanism are matched, granules uniform in size and moderate in strength can be prepared under the action of the rotary granulating mechanism and the spraying mechanism, different experiment requirements can be met by adjusting parameters such as the rotating speed and the spraying amount, the overall structure is simple, operation is convenient, and the experiment efficiency is high. The device is easy to operate and maintain, suitable for laboratory use, simple in design, capable of reducing manufacturing cost and suitable for laboratory budgeting.

The invention relates to the technical field of illumination, in particular to a composite luminescent material, a luminous body and a lamp. The composite luminescent material comprises a white light material and a near-infrared fluorescent material, wherein the color temperature of white light emitted by the white light material is 2400-3000 K; after the normalization processing, the emission spectrogram of the white light material and the excitation spectrogram of the near-infrared fluorescent material at least partially coincide with each other under the curve area, and the ratio of the coincide area to the excitation spectrogram under the curve area is greater than or equal to 70%. The white light material can excite the near-infrared fluorescent material to emit near-infrared light, so that the composite luminescent material can emit white visible light and near-infrared light, and illumination and human health promotion are both considered. The area of the overlapping area is large, the excitation effect of white light on the near-infrared fluorescent material is improved, and the energy conversion efficiency is improved. The color temperature of the white light is beneficial to reducing color temperature shift, so that visible light finally emitted by the composite luminescent material is warm white light, and the composite luminescent material is suitable for bedroom illumination and other scenes.