12results about How to "Fast conversion" patented technology

This invention belongs to the field of materials technology and relates to a method for preparing and applying nickel hydrogen phosphate electrochromic nanomaterials. It overcomes the technical problems of existing nickel-based electrochromic materials, such as low transmittance, small optical modulation range, and difficulty in large-size fabrication after film deposition on transparent conductive substrates. The method for preparing the described nickel hydrogen phosphate electrochromic film employs room-temperature electrodeposition technology. The prepared nickel hydrogen phosphate electrochromic material exhibits small, uniform nanoparticle size and allows for the construction of large-size in-situ films (10 × 10 cm). 2 The characteristics of this method make it suitable for constructing high-performance electrochromic films. The prepared films have the characteristics of high transmittance in the faded state, wide spectral modulation range, and high coloring efficiency. Moreover, the preparation process is low-cost and efficient, and can be mass-produced, making it easy to realize industrial production. It has broad application prospects in the fields of electrochromism, flexible wearables, and smart displays.

The invention provides a PEG / CaCl2 mediated Penicillium citrinum genetic transformation method, and belongs to the technical field of microbial genetic transformation, and the method comprises the following steps: adding a target gene segment into Penicillium citrinum protoplast suspension, and carrying out an ice bath reaction; the target gene segment is obtained by taking pJET-hph-02944 plasmid as a template and carrying out PCR (Polymerase Chain Reaction) amplification by adopting a hygromycin B resistance gene primer pair with gene sequences as shown in SEQ ID No. 1 and SEQ ID No. 2; adding a PTC (Positive Temperature Coefficient) buffer solution into the mixed system, uniformly mixing and standing; continuously adding a TB3 liquid culture medium containing ampicillin, and carrying out recovery culture; uniformly mixing the resuscitated protoplast with a molten TB3 solid culture medium, pouring a plate, and carrying out dark culture for the first time; then covering a TB3 solid culture medium containing hygromycin B and ampicillin, carrying out secondary dark culture to obtain a transformant, and transferring the transformant to a PDA plate containing hygromycin B for screening. According to the method, CaCl2-PEG is adopted for mediated transformation of Penicillium citrinum, the transformation efficiency is higher, and the transformation speed is higher.

This invention provides a distillation and dehydration apparatus for the preparation of triacetin, comprising a distillation column, a water inlet, an exhaust outlet, a cooking furnace, and a condenser. The distillation column is movably mounted on top of the cooking furnace, and the exhaust outlet is connected to one side of the top of the distillation column. This invention facilitates the containment of thickened oils during distillation, preventing rapid loss and resulting in a smaller amount obtained through distillation. It addresses existing problems where excessively high concentrations of steam are directly condensed during esterification, affecting subsequent condensation rates and causing some triacetin raw material to be lost with the steam, leading to waste. Furthermore, incomplete removal of the extracted esterified raw material after cooking can affect the efficiency of subsequent cooking. Additionally, some raw material drawn into the column may remain in the pipes and on the column sidewalls, and the esterified raw material mist in the steam cannot be utilized, increasing production costs.

The embodiment of the application discloses a data transformation method and device and a storage medium, and belongs to the field of data processing. In the embodiment of the application, the first transformation matrix is obtained by transforming an original transformation matrix according to the symmetry of a rotation factor in NTT. Thus, part of the matrix elements in the first transformation matrix has symmetry, so that the data processing results corresponding to the part of the matrix elements in the first transformation matrix are obtained, the data processing results corresponding to other matrix elements are restored, and then each output data is obtained. That is, in the embodiment of the application, the data processing results corresponding to part of the matrix elements are obtained, and all transformation information can be represented, the complexity of data transformation is reduced, and the transformation speed is accelerated.

The application provides a method and application of electrochemical reduction of nitrate by using a transition metal nitride, and belongs to the field of environmental catalysis, wherein the method of electrochemical reduction of nitrate by using a transition metal nitride comprises the following steps: constructing an electrochemical catalytic system by taking a transition metal nitride catalytic electrode as a working electrode; and under the condition of power supply, the mutual transformation between metal ions on the surface of the transition metal nitride and zero-valent transition metals generated by electrochemical reduction promotes the reduction of nitrate in an electrolyte, wherein the transition metal is a transition metal of the iron group.

The application belongs to the technical field of low-code development, and discloses an AI-driven low-code platform application automatic generation method and system, which comprises the following steps: constructing a style mapping table; loading an entry skill of an AI Agent, obtaining a low-code platform data model hierarchical structure and a skill navigation table, querying the navigation table according to a task type to load an analyzer skill, and obtaining an input source analysis rule; extracting an HTML prototype structure feature vector and performing similarity matching with a UI mode template library, generating a preliminary configuration within a threshold value, and generating a basic configuration structure outside the threshold value according to the analysis rule, range determination, form entity and page differentiation, and four-step component conversion; matching and loading atomic skills, generating scattered configuration files and analysis summary files according to a JSON configuration specification; displaying a summary for confirmation, assembling scattered configurations to generate a seed data file; and importing the seed data file through an API protocol bridge layer. The application improves the code generation efficiency of the low-code development platform.

The invention discloses a polycaprolactone-b-polybutadiene-b-polycaprolactone block copolymer and a preparation method thereof, the copolymer has the following molecular structure: the elasticity, aging resistance and low temperature resistance of the copolymer are superior to those of conventional polycaprolactone, and the copolymer contains double bonds and terminal hydroxyl groups, so that the polycaprolactone-b-polybutadiene-b-polycaprolactone block copolymer has a good anti-aging property. The copolymer can be grafted with other alkenyl-containing polymers, can also be cured and crosslinked through ultraviolet light, and can also be used as a raw material for toughening epoxy resin or synthesizing a special polyurethane elastomer; the preparation method comprises the following steps of: initiating epsilon-caprolactone to carry out ring-opening polymerization reaction by using dihydroxy-terminated polybutadiene as an initiator to obtain the polycaprolactone, and the method is high in synthesis efficiency, low in cost and capable of realizing large-scale production.

This invention discloses a parallel processing system and method for CKKS fully homomorphic cryptography key switching. The system includes an NTT processing unit, a parallel modular reduction hardware unit, a base transformation parallel processing hardware unit, a point-value multiplication unit, and a control unit. The parallel modular reduction hardware unit contains L+1 parallel operation units, each including a shift-addition module, an accumulation module, and a Barrett modular reduction module. It utilizes a special form of small modulus property to convert multiplication into shift and addition operations, performing modular reduction of RNS base extension in parallel. The base transformation parallel processing hardware unit includes an inverse pre-computation module, a temporary matrix calculation module, a matrix multiplication module, and a storage unit. It accelerates base transformation through a parallel Barrett modular multiplication unit and a multiply-accumulate operation array. This invention decomposes large integer modular operations into multiple independent small modulus operations, avoiding carry chain delays and significantly accelerating key switching efficiency while saving hardware resources.

The application belongs to the technical field of analog-digital mixed integrated circuits, and particularly relates to a pipeline-structured sampling, quantization and amplification parallel analog-digital converter. A pre-stage of the application adopts a pre-quantization technology, sampling is simultaneously performed through a MAIN CDAC and a first-stage sub-ADC, the first-stage sub-ADC ends sampling in advance, and quantization is started during the continuous sampling of the MAIN CDAC, so that the serial waiting time of sampling and quantization of the first stage is reduced. The MAIN CDAC switches according to a D OUT1 <1:N1‑K> and a K-bit pseudo-random code D GUESS <1:K> to generate a randomized residual voltage V RES . After the first-stage sub-ADC completes the N1-K-bit code word D OUT1 <1:N1‑K>, the residual voltage V RES between stages is amplified without waiting for the first-stage quantization to be completed; and a voltage compensation logic compensates for the residual voltage error introduced by the guessed code word. The low-K-bit quantization process of the first-stage sub-ADC, which is serially executed, and the inter-stage residual amplification process are executed in parallel, so that quantization and amplification are parallelized, and the overall conversion speed of the ADC is improved.

The utility model belongs to the technical field of phase-locked loop capture, disclose a kind of phase-locked loop capture device, including temperature compensation crystal oscillator, frequency discriminator phase detector, loop filter, adder, voltage-controlled oscillator, power divider, phase detector, operational amplifier, amplifier and frequency divider;Temperature compensation crystal oscillator is connected with frequency discriminator phase detector, frequency discriminator phase detector is connected with adder by loop filter, adder is connected with voltage-controlled oscillator, voltage-controlled oscillator is connected with delay line by power divider, and one road is connected with phase detector;Wherein, phase detector is connected with adder by operational amplifier.The utility model initial locking voltage adopts phase discrimination conversion mode, with fast conversion speed, pre-set voltage precision higher advantage.Shorten the time of phase-locked loop capture while not influence phase noise and other indexes, and simplify circuit structure and space layout, so that application is more simple and convenient, cost is also reduced.In circuit design and structure form, it is more flexible, easy to expand.

The application relates to a six-degree-of-freedom perspective invariance feature analysis method and device and processing equipment. The method performs corner point detection on a target image to be detected based on a corner point detection algorithm to obtain candidate corner points; the candidate corner points are processed based on a space segmentation algorithm to obtain four adjacent corner points; the four adjacent corner points are sorted according to a preset rule to obtain four sorted corner points; the target image to be detected is subjected to homography processing according to the four sorted corner points to obtain a transformed image; the transformed image is subjected to DFT transformation processing to obtain six-degree-of-freedom perspective invariance feature values with high stability and feature resolution capability which can be used for target matching. In the actual measurement of six-degree-of-freedom transformation, the feature values of the corresponding feature points can be maintained below a set percentage of fluctuation, thereby improving the stability and resolution capability of the feature values.

This utility model discloses a high-efficiency and environmentally friendly cotton yarn dyeing device, belonging to the field of cotton yarn dyeing technology. The dyeing device includes a dyeing box and a reuse box. The dyeing box has an open top and a partition fixedly installed on its inner wall, dividing it into a dye zone and a drive zone. The reuse box is fixedly installed on both sides of the dyeing box, with discharge pipes installed on both sides. Valves are installed on the discharge pipes, with one end positioned above the reuse box. A stirring assembly is installed inside both the dyeing box and the reuse box. The reuse box has an open top and a filter box with a filter screen at the bottom. Suction pipes are symmetrically fixed on both sides of the dyeing box, and a suction pump is installed on each suction pipe. This device enables the reuse of residual liquid, saving resources and protecting the environment. Simultaneously, the dual reuse box setup increases the residual liquid conversion speed, thereby improving dyeing efficiency.