11results about How to "Solve the low conversion efficiency" patented technology

The invention relates to a method and device for converting a Revit modeling file into a YJK model file, and relates to the technical field of modeling file conversion, the method comprises the following steps: performing structural data analysis according to an obtained Revit to-be-converted model file to obtain at least one target structural component and parameter information corresponding to the target structural component, performing conversion information extraction according to the parameter information to obtain key information, performing data analysis conversion and special analysis conversion on the key information through an instance function relationship corresponding to the target structural component to obtain target conversion format data, and generating a YJK target model file according to the target conversion format data, according to the method and the device, the key information of the structural component is analyzed, the key information is converted into the model file in the YJK format by utilizing the function relationship, and the key information with special definition is subjected to special conversion, so that the special information of the structural component is reserved, the complete Revit model file is converted into the YJK file, and the conversion efficiency between the model files is improved.

The invention provides a multi-selenocysteine selenoprotein P organic selenium preparation, and belongs to the technical field of feed additive preparation. The preparation method comprises the following steps: constructing recombinant pichia pastoris for expressing the multi-selenocysteine selenoprotein P, fermenting, culturing and expressing the multi-selenocysteine selenoprotein P, and carrying out spray drying on fermented bacteria liquid to prepare the multi-selenocysteine selenoprotein P organic selenium preparation. The selenium content of the yeast strain for expressing the multi-selenocysteine selenoprotein P is 1.69 times that of the yeast for expressing the natural selenoprotein P, and is 3.7 times that of the wild pichia pastoris. The polyselenocysteine selenoprotein P organic selenium preparation prepared through fermentation of the recombinant pichia pastoris is high in organic selenium content, and the problem that the selenium conversion efficiency of organic selenium prepared through a traditional method is low is solved.

The invention relates to a cast-in-place pipe gallery construction method. According to the scheme, the method comprises the following steps that S1, a foundation pit is excavated, and a pre-stressed anchor rod pile plate protection system is constructed; s2, constructing waterproof coiled materials of a foundation pit cushion layer and a bottom plate; s3, pipe gallery bottom plate reinforcing steel bars and concrete are constructed, and comprehensive waterproof treatment is conducted on deformation joints; s4, steel bars of the side walls and the top plate of the pipe gallery are bound, and a lightweight formwork system is erected; s5, concrete pouring is conducted on the side walls and the top plate of the pipe gallery; s6, a waterproof system of the side wall and the top plate of the pipe gallery is constructed; and S7, the pipe gallery fertilizer groove flow state solidified soil is backfilled in a layered mode. According to the cast-in-place pipe gallery construction method, the construction speed is high, the waterproof effect is good, safety and reliability are achieved, meanwhile, the construction effect that the existing line fender posts penetrate through the pipe gallery upwards is achieved, the construction advantages of high stability, high efficiency, high benefits and the like are achieved during implementation, and the technical benefits are remarkable.

The invention provides a multi-selenocysteine selenoprotein W organic selenium preparation, and belongs to the technical field of biology. The preparation method comprises the following steps: constructing recombinant pichia pastoris for expressing the multi-selenocysteine selenoprotein W, fermenting, culturing and expressing the multi-selenocysteine selenoprotein W, and carrying out spray drying on fermented bacteria liquid to prepare the multi-selenocysteine selenoprotein W organic selenium preparation. The selenium content of a yeast strain for expressing the multi-selenocysteine selenoprotein W is 2.98 times of that of yeast for expressing natural selenoprotein W, and is 3.89 times of that of wild pichia pastoris. The polyselenocysteine selenoprotein W organic selenium preparation prepared through fermentation of recombinant pichia pastoris is high in organic selenium content and easy to absorb after being fed, the selenium content in blood of the white feather broilers can be effectively increased, the feed conversion ratio of the white feather broilers can be reduced, and the growth performance of the white feather broilers can be improved.

The present invention provides a polyselenocysteine ​​selenoprotein P organic selenium preparation, belonging to the technical field of feed additive preparation. The polyselenocysteine ​​selenoprotein P organic selenium preparation is prepared by constructing a recombinant Pichia pastoris expressing polyselenocysteine ​​selenoprotein P, fermenting and culturing the polyselenocysteine ​​selenoprotein P, and spray-drying the fermented bacterial liquid. The selenium-enriched amount of the yeast strain expressing polyselenocysteine ​​selenoprotein P is 1.69 times the selenium-enriched amount of the yeast expressing natural selenoprotein P, and 3.7 times that of wild Pichia pastoris. The polyselenocysteine ​​selenoprotein P organic selenium preparation prepared by fermentation of the recombinant Pichia pastoris has a high organic selenium content, which solves the problem of low selenium conversion efficiency in the preparation of organic selenium by traditional methods.

This invention relates to the field of electrical technology, and more particularly to a flyback switching power supply absorption circuit, a transformer leakage inductance absorption method, and a chip. The circuit includes: a transformer comprising a primary winding NP and a secondary winding NS; a primary sub-circuit comprising an energy storage branch connected to the primary winding NP and an absorption branch connected to the primary winding NP, wherein when the energy storage branch is on, the primary winding NP stores energy, and when the absorption branch is on, it absorbs the leakage inductance energy of the transformer; and a secondary sub-circuit connected to the secondary winding NS, wherein when the secondary winding NS is on, it provides an output voltage VOUT to the load connected to the secondary winding NS. This invention can solve the problem of low power conversion efficiency. By absorbing leakage inductance energy through the absorption branch for use by the load connected to the secondary sub-circuit, the power conversion efficiency can be improved.

The invention relates to a UBI dual-energy tube fuel cell system assembly and a control method thereof. The system assembly comprises a fuel cell unit and an integrated MRD unit, wherein the fuel cell unit comprises an electric pile capable of generating electric energy; the solid hydrogen storage tank is connected with the electric pile and supplies hydrogen; the output port is used for outputting electric energy generated by the electric pile; the integrated MRD unit comprises two identical lithium batteries, a BMS (Battery Management System) control module and a whole vehicle controller; wherein the charging end and the power supply end of each lithium battery are respectively provided with a switch; the BMS control module is configured to be capable of collecting electric quantity and voltage level signals of the lithium battery in real time and transmitting the electric quantity and voltage level signals to the vehicle control unit. And the vehicle control unit is configured to receive the signal so as to judge whether switching between the two lithium batteries needs to be carried out or not, so that opening and closing of the switch are controlled respectively.

The invention discloses a configuration file generation method and device, a storage medium and electronic equipment, and relates to the field of automation, the configuration file generation method comprises the following steps: obtaining a first configuration file of a source load balancer, and reading first configuration information in the first configuration file according to a first configuration rule of the first configuration file; converting the first configuration information into configuration information in a general format; and determining a second configuration rule of a target load balancer, and converting the configuration information in the general format into second configuration information corresponding to the second configuration rule according to the second configuration rule to generate a second configuration file. And manual cross-platform load balancer configuration conversion results in low conversion efficiency.

The embodiment of the invention provides a space address conversion method for storage equipment, and the method comprises the steps: extracting a target access address of a target memory requested to be accessed from a data access request under the condition that the data access request is received; detecting a target set identifier corresponding to a target access address of the target memory; and converting a target storage area code according to the target memory identifier of the target memory, the target set identifier and the target association relationship. Through application of the method and the device, the problem of relatively low space address conversion efficiency of the storage equipment in related technologies is solved, so that the effect of improving the space address conversion efficiency of the storage equipment is achieved.

The invention discloses an Mg3Sb2-based semiconductor material for energy conversion and a preparation method thereof, and belongs to the technical field of energy conversion, and the molecular formula of the Mg3Sb2-based semiconductor material is Mg < 3.2 > Bi < 1.3 > Sb < 0.7 >. Mg < 3.2 > Bi < 1.3 > Sb < 0.7 > can generate n-p conduction transformation; when the K is less than 500 K, Mg < 3.2 > Bi < 1.3 > Sb < 0.7 > is an n-type semiconductor; when the voltage is greater than 500 K, Mg < 3.2 > Bi < 1.3 > Sb < 0.7 > is a p-type semiconductor. The preparation method comprises the following steps: uniformly mixing magnesium powder, bismuth powder and antimony powder according to a molar ratio of 3.2: 1.3: 0.7, sealing in a pure argon environment, and carrying out alloying, cold pressing and sintering to obtain the Mg3.2 Bi1. 3Sb0.7. When Bi is doped into the Sb position, the Mg vacancy concentration in the material can be effectively reduced, and the electron concentration can be improved at the same time. The doping not only enables the energy band gap of the material to be narrowed and converted into a narrow-band-gap semiconductor, but also improves the carrier concentration of the material. Under the combined action of the two factors, the electron concentration in the material is remarkably enhanced, and then conversion from an n-type conduction type to a p-type conduction type can be achieved. Therefore, the material has huge application potential in the technical field of energy conversion.

The planar transformer capable of reducing the leakage inductance of the transformer comprises a magnetic core, a plurality of groups of primary coils and a plurality of groups of secondary coils, the plurality of groups of primary coils and the plurality of groups of secondary coils are sleeved on a magnetic column of the magnetic core, and each group of primary coils comprises a primary coil cake; one primary coil cake is arranged between two adjacent groups of secondary coils; each group of secondary coils is formed by winding a lead and forms an upper coil and a lower coil, and in one group of secondary coils, one primary coil cake is arranged between the upper coil and the lower coil; and one primary wire cake is arranged between the uppermost upper coil and the magnetic core, and one primary wire cake is arranged between the lowermost lower coil and the magnetic core. According to the utility model, primary and secondary coupling is added, so that the purposes of reducing transformer leakage inductance, improving conversion efficiency and reducing device loss are achieved.