42results about How to "Add processing steps" patented technology

A process for refining meloxicam, a new non-steroids antipyretic analgesics, includes such steps as adding the crude meloxicam to dimethyl formamide (DMF), thermal dissolving, decolouring, filtering, cooling the filtrate to educe out crystal; dissolving in alkaline alcohol solution, stirring while dripping the diluted hydrochloric acid to regulate pH value to 2-3, filtering, and washing the collected solid until it become neutral to obtain the product. Its advantages are simple process, no poison, and low DMF content.

The invention belongs to the field of microorganism detection and relates to a method for quantitative detection of living bacteria based on FISH technology. Before the implementation of the conventional fluorescence in situ hybridization method, the method adds the pretreatment step of PMA nucleic acid dye; during the PMA treatment process, the nucleic acid in the dead bacteria cells is covalently combined with PMA, and it emits orange under the blue light excitation of the fluorescence microscope Fluorescence, so that it can be known that the bacteria with orange fluorescence are dead bacteria in the original system, and the rRNA in the living bacteria cells is combined with the fluorescent probe in the hybridization step, and the fluorescent probe emits green fluorescence under the blue light excitation of the fluorescence microscope, so that the green fluorescence can be known Bacteria are living bacteria in the original system. The invention realizes the effective distinction of dead and alive bacteria in the sample system by improving the fluorescence in situ hybridization technology, that is, adding the step of PMA dye treatment, and constructs a set of methods that can quickly quantify the active bacteria in the sample. This method has strong universality for bacterial quantification.

The invention provides certificate information processing and verification methods, a processing terminal, and a verification server. The certificate information processing method includes the steps of acquiring an encryption key; reading certificate information data, performing the business transaction to obtain business data by means of the certificate information data, and performing digital signature on the certificate information data with the encryption key to obtain encryption data; and transmitting the business data and the encryption data together to the back end. The certificate information verification method includes the steps of receiving relevant business data and encryption data; decrypting the encryption data with a decryption key to obtain decryption data; and checking the encryption data with the business data, if the data is consistent, the business transaction corresponding to the business data is successful, if not, the business transaction is failed. The certificate information processing and verification methods can guarantee the authenticity and the integrity of certificate information when the business transaction is carried out based on the certificate information, prevent software stimulation operation, and perfect the information management function.

The invention provides a method for evaluating the safety of meat products by using zebrafish. Firstly, the meat product is treated with bionic digestion and extraction to obtain the meat sample extract, and then the processing time of the meat sample extract is determined to be 24 hours. The treatment concentration was 1.4-5.6 mg / mL to construct a zebrafish model and evaluate the safety of meat products. The zebrafish model constructed by the present invention and the method for evaluating the safety of meat products have high detection accuracy, the detection method is scientific and reasonable, and the short modeling cycle greatly reduces the detection cost, which provides a basis for popularizing and popularizing the detection method to the general public, enterprises and governments. Realistic feasibility.

The present invention discloses a camphor molecular imprinted polymer, and a preparation method and application of a monolithic column and a packed column thereof. The preparation method includes dissolving a template molecule camphor in a pore-foaming agent, adding a functional monomer, a crosslinker and an initiator, mixing, treating by ultrasound in an ice-water bath, feeding nitrogen, injecting the reactant into a stainless steel chromatographic column and a container, sealing, placing in an oven of 50-60 DEG C to react for 12-24h, and initiating by heat to obtain a molecular imprinted polymer monolith column and the polymer. The polymer is ground, sieved and filled in a chromatographic column to get a molecular imprinted polymer packed column. The packed column and the monolithic column are connected with a liquid chromatography pump to remove the template molecules. Finally the chromatographic and the monolithic column with good separation effects are obtained. The method is good in molecular recognition. The molecular imprinted polymer provided by the invention as a liquid chromatographic column filler can realize separation, enrichment and purification for camphor in essential oil.

The invention provides a processing method capable of preventing electrochemical corrosion of through-hole metals. The processing method at least comprises the following steps: firstly, providing a metal interconnection structure including a first metal layer, an insulating layer which is positioned on the first metal layer and is provided with a through hole and a second metal layer which is positioned on the insulating layer; filling the through hole with a third metal layer communicated with the first metal layer and the second metal layer; then, putting the metal interconnection structure into a reaction cavity, introducing mixed gas of N2 and H2O and performing ionization on the mixed gas of N2 and H2O to dissociate H2O to form hydrogen atoms, wherein the hydrogen atoms capture positive charge in the second metal layer to prevent the third metal layer in the through hole from being corroded by performing electrochemical reaction on the positive charge; the second metal layer is made of aluminum-copper alloy; the third metal layer is made of tungsten.

The invention discloses a thin film surface planarization method, an array substrate and a preparation method thereof, and a display device, which relate to the display field and can solve the damage to the surface flatness of other film layers below the etched film layer by existing dry etching Large technical problems, thereby improving the display performance of liquid crystal displays. The method for preparing the array substrate of the present invention includes performing pattern etching on the non-metal layer by dry etching, and after performing pattern etching on the non-metal layer by dry etching, further includes: The layer is subjected to surface planarization treatment, so that the rough surface of the first film layer due to dry etching is restored to a flat surface, and the first film layer is located under the non-metallic layer.

The invention discloses a copper layer formation method, including the following steps: providing a substrate which is provided with a copper inoculating crystal layer on the surface; transferring thesubstrate into copper electroplating equipment; introducing protecting gas into the annealing device of the copper electroplating equipment and processing a first annealing treatment to the substrate; electroplating copper on the substrate through the electroplating device of the electroplating equipment; processing fringe washing treatment to the substrate through the fringe washing device of the electroplating equipment; and processing a second annealing treatment to the substrate through the annealing device of the copper electroplating equipment. In this way, the process of electroplatingthe copper can be finished. The invention further discloses a corresponding copper mosaic structure formation method. The copper mosaic structure formation method can effectively reduce the number ofthe pores in the copper layer, thus improving the quality of the copper layer or the copper mosaic structure.

The invention provides a preparation method of Mythic Fungus spore oil. The preparation method comprises the following steps: carrying out wall breaking on Mythic Fungus spores and sporophores as a raw material, screening, granulating, carrying out supercritical extraction, and collecting to obtain the Mythic Fungus spore oil; and mixing the Mythic Fungus spore oil with ingredients, and carrying out a series of technologies to prepare a Mythic Fungus spore oil softgel. The Mythic Fungus spore oil extraction method provided by the invention has the advantages of wide range of suitable raw materials, simple technology, convenient operation and easy implementation; and the Mythic Fungus spore oil softgel prepared by using the Mythic Fungus spore oil extracted through the method is convenient to carry and administrate, and can promote absorption.

The invention discloses a method for determining five inorganic positive ions in a tobacco gene editing material. An apparatus is used, which comprises a sample extraction bottle, an outer cannula (1), an inner cannula (2), a liquid-guiding pipe (4), and a sieve plate (3) which can be one or more and positioned in a lower opening of the inner cannula (2). The method comprises the following steps:1) tobacco leaf extraction; 2) filtering and transferring; 3) analysis for making a chromatogram; 4) acquisition of a peak area of the standard chromatogram to obtain the inorganic positive ions of the tobacco gene editing material. The determination method of the present invention is characterized in that an on-line solid phase extraction purifying column is added before first usage of an ion chromatographic column, the processing is simple and convenient, the effect is good, the determination method has the advantages of accurate quantification, good repeatability, and low detecting limit, and can effectively realize the high flux analysis determination of the inorganic positive ions in tobacco gene editing material.

The invention discloses a relay communication system and channel sorting method based on channel sorting and network coding, which is characterized in that in the data uplink stage, the channel sorting module of the relay node receives K received signals and performs channel sorting to obtain sorted received signals. After the signal is sent to the signal quantization module; the signal quantization module performs channel quantization processing on the sorted received signal and then sends it to the signal network coding module for network coding, and finally estimates the number of the sorted first data packet and the second data packet Network encoding format. The invention can effectively reduce the symbol error rate of communication, increase the data rate and system capacity, and reduce the dependence of information transmission on the quality of the wireless channel, especially the performance improvement under low signal-to-noise ratio is more obvious.

The invention discloses an integer finite field compressed sensing method, which comprises the following steps: carrying out fixed-length grouping, projection transformation on an integer field, modular division operation and modulation on information needing to be transmitted to obtain a transmission signal, and sending the transmission signal; The receiving end receives the transmission signal and screens and demodulates the transmission signal; Obtaining a compressed sensing model based on the compressed observation value according to the demodulated signal and the corresponding integer modulus compressed observation value; And solving an original signal by using the compressed sensing model and a reconstruction algorithm. According to the invention, the compressed sensing processing isdirectly performed on the signal of the digital domain, and the digitized signal source symbol is directly processed at the signal source end, so that the process of compressing the information redundancy in the signal source coding is omitted, and the complexity of the signal source equipment end is reduced. Due to the fact that processing is directly carried out in a digital domain, the algorithm is achieved through a digital circuit, meanwhile, the function similar to channel error correction coding is achieved, and the anti-jamming capability of a communication system can be improved.