11results about How to "Good general applicability" patented technology

The invention relates to the technical field of railway engineering construction, and discloses a complex region railway engineering construction road intelligent line selection and evaluation decision method, which comprises the following steps: S1, in combination with terrain environment conditions and construction technology standards of a construction road, constructing an improved HAO plane line shape mathematical model, designing plane line shape constraint conditions, and constructing a line shape model; and establishing a line comprehensive cost model as an optimization objective function, and searching an optimal plane linear position parameter in a target area by using a particle swarm optimization algorithm. Compared with other intelligent line selection methods, the method can quickly evaluate and decide the advantages and disadvantages of the route scheme while quickly generating the horizontal and vertical section line shape of the construction road, optimizes the design process, facilitates the shortening of the construction period of the construction road, can remarkably reduce the workload of site survey and manual design, and improves the construction efficiency. The working efficiency and benefits of line selection design are practically improved, the investment of line selection cost is reduced, use is convenient, and the degree of dependence on equipment performance is low.

The invention discloses preparation of a monatomic graphene type photo-thermal catalyst and application of the monatomic graphene type photo-thermal catalyst in catalyzing aldose to produce ketose, and the preparation comprises the following steps: loading a monatomic precursor (X) on a graphene type carbon material (GT) by adopting a solution impregnation method, further reducing the monatomic precursor into a corresponding monatomic (Y) by adopting a continuous oxidation-reduction method, the monatomic graphene type photo-thermal catalyst is obtained, and the monatomic graphene type photo-thermal catalyst is expressed as Ysg / GT. The catalyst is used for catalyzing other different aldoses (maltose, glyceraldehyde, erythritol and xylose) to produce corresponding ketose, the catalyst shows good catalytic activity and photo-thermal performance, and the ketose yield is larger than 50%. Finally, in the reusability research of the catalyst, the catalyst is found to have good activity and structural stability, the chemical equilibrium limit of the reversible reaction is broken through, the reaction rate is increased, and the catalyst can help to develop an efficient and green catalyst to open up a new way for the reversible reaction process.

The invention discloses a method for measuring calcium and magnesium in an environmental water body by using a smart phone graphic colorimetric method, which belongs to the technical field of environmental monitoring and comprises the following steps: measuring a calcium and magnesium total amount standard curve, measuring a magnesium content standard curve and measuring the total amount of calcium and magnesium in an actual water sample. On the basis of a smart phone colorimetric method, water collection sampling, mixed reaction and photographing measurement are performed, and the test time of one sample can be controlled to be 10 min. The method is rapid, accurate and high in sensitivity, can be used for real-time field in-situ determination, and meets the requirements of rapid in-situ quantitative analysis and determination of an environmental water sample.

The invention belongs to the technical field of lithium ion batteries, and provides a power battery multi-state collaborative estimation method and system based on a large language model, and the method comprises the steps: initializing the large language model; aging feature extraction is carried out under the random charging behavior, and window extreme voltage and accumulated charging amount are extracted as aging features; based on the initialized large language model, determining input and output of the model according to a multi-state collaborative estimation task, fusing the extracted aging characteristics with battery state parameters to jointly serve as input characteristics, and adjusting an input type; inputting and outputting a base model, improving a large language model, and adding an output layer module for the large language model to adapt to a multi-state collaborative estimation task; based on the improved large language model and the actual data set, adopting a low-rank adaptation method to finely adjust the model; and processing the target fragmented charging data based on the fine-tuned model, and carrying out multi-state collaborative estimation. According to the invention, multi-state collaborative accurate estimation can be realized.

The invention belongs to the technical field of conformal materials, and particularly provides a single-component conformal material as well as a preparation method, application and an application method.The single-component conformal material comprises high-temperature-resistant resin and a physical cross-linking agent, the high-temperature-resistant resin is one or more of high-temperature-resistant resin meeting the chemical formula A or one or more of emulsions formed by the high-temperature-resistant resin meeting the chemical formula A. The single-component conformal material provided by the invention is a conformal material which is used in a single-component form and has certain surface hydrophobicity, has high temperature resistance, good environment barrier capability and relatively high insulation and corrosion resistance, is an organic silicon-based conformal material with certain surface environment protection performance, and has a good application prospect. While maintaining a good environmental protection effect, the coating has good construction characteristics, and is suitable for protection of surfaces of various base materials.

The invention discloses a method for synthesizing chiral morpholine from propargyl alcohol ester. Chiral morpholine is an important drug molecular skeleton and is widely applied to the aspects of analgesia, anesthesia, tumor resistance, heart treatment and the like as a drug active ingredient, but an efficient synthesis method is lacked. According to the method disclosed by the invention, under the regulation and control of arylboronic acid and a specific chiral ligand, propargyl alcohol ester and an affinity reagent react to obtain optically pure (87-97% ee) morpholine. The method has the characteristics that the catalyst and the ligand are wide in source, and the substrate is cheap and easy to obtain; the chiral morpholine has excellent enantioselectivity and good functional group compatibility, can be suitable for structural modification of bioactive molecules and intermediates, and is a simple and efficient asymmetric catalysis strategy for synthesizing chiral morpholine.

The present invention relates to a heat dissipation method and heat dissipation structure of a space-based high-heat-consumption optoelectronic device, (1) taking a chassis as the main heat dissipation path, and performing an optimized heat dissipation design of the chassis; (2) dividing the functional modules packaged as an integrated structure into ordinary functional modules and functional modules with precise temperature control requirements, and performing an optimized heat dissipation design of the functional modules; (3) calculating the equivalent thermal conductivity of a PCB board, performing an optimized heat dissipation design of a PCB board installed in the chassis, strengthening the conduction heat dissipation path between the PCB board and the chassis shell, and optimizing the layout of high-heat-generating components; (4) performing a heat dissipation enhancement design of high-heat-generating components on the PCB board, and improving the heat dissipation effect of the high-heat-generating components. In view of the increasingly high integration of modern electronic equipment, the increasing heat flow of components, the limited layout and installation space, and the large use constraints, the present invention is suitable for the thermal design tasks of heat dissipation and precise temperature control of high-heat-flow components with random spatial distribution layout and limited installation space.

The invention provides a printer motor variable speed control method, a printing device, a medium and a program product, and the method comprises the steps: obtaining a first motor speed adjustment parameter group of to-be-printed data of a preset line number; smoothing the first motor speed adjustment parameter group to obtain a second motor speed adjustment parameter group, and storing the second motor speed adjustment parameter group in a cache region; printing is carried out based on the cache region, and in the printing process, the steps that third motor speed adjusting parameters of a new printing line are obtained, and the new printing line and the current printing line are separated by a preset line number; and comparing the third motor speed adjusting parameter of the new printing line with a fourth motor speed adjusting parameter of the previous printing line of the new printing line to determine an adjusting area starting from the previous printing line of the new printing line in the cache area, smoothing the adjusting area, and updating the cache area according to the updated third motor speed adjusting parameter. Good motor variable speed control is achieved, and the implementation mode is simple.

The invention discloses an aircraft rotational inertia measurement platform and a method for identifying measurement data, comprising an aircraft mounting plate, a connecting flange, a first support plate, a first transmission optical axis, a first plum blossom coupling, a dynamic torque sensor, a second support plate, a support frame, a second plum blossom coupling, a third support plate, a second transmission optical axis, a third plum blossom coupling, a fourth support plate, an Omron encoder, and a fixing frame; the overall structural material of the invention is an aluminum profile, which is stable and reliable; the mounting plate is a carbon fiber plate, which is light in weight, can withstand high pressure, is not easily deformed, and is convenient for aircraft installation and testing.

The invention belongs to the field of pharmaceutical preparations, and particularly relates to a cetrorelix acetate preparation composition for injection and a preparation method thereof.According to the preparation composition, through a specific freeze-drying process including a slow freezing stage, an annealing stage, primary drying and secondary drying, it is effectively guaranteed that the in-batch quality uniformity of a preparation is good, and the long-term stability is excellent; and industrial mass production is facilitated.

The invention discloses a method for synthesizing a non-cyclic and non-terminal vicinal diol derivative based on propargyl alcohol ester. Through a coupling strategy that propargyl alcohol ester and an exogenous nucleophilic reagent are catalyzed by transition metal (palladium), construction of a bimolecular exogenous nucleophilic group substituted allyl skeleton is realized. The strategy breaks through the dilemma that alkenylation products are limited to construction of cyclic molecules at the present stage and the tail ends of the alkenylation products are limited, and a reform synthesis scheme is provided for selective conversion of propargyl alcohol ester catalyzed by transition metal. The selected catalyst and ligand are wide in source, and the substrate is cheap and easy to obtain; the method provided by the invention has the advantages of high selectivity, excellent stereoselectivity and good functional group compatibility, can be suitable for structural modification of bioactive molecules and intermediates, is a simple and efficient asymmetric catalysis strategy for synthesizing non-cyclic and non-terminal vicinal diol derivatives, and has a good application prospect.