202results about How to "Sensitivity is not affected" patented technology

The invention provides a pressure sensing touch control module, comprising a touch control sensing layer and a conductive layer; the touch control sensing layer detects a touch control position signal at a first stage; the touch control sensing layer matches with the conductive layer at a second stage; two pole plates of a capacitor are formed through the touch control sensing layer and the conductive layer; pressure signals are detected according to the capacitance value change conditions generated according to the distance changes between the two pole plates. According to the module of the invention, the problems that the pressure sensing touch control module in the prior art collects the touch control position signals and the touch control pressure signals respectively, the cost is high and the preparation process is complex are solved; the pressure sensing touch control module of the invention detects the touch control position signals and the touch control pressure signals by a same IC at separate time.

The invention belongs to the technical field of animal virology and animal infectious diseases detection, and concretely relates to a Mycoplasma hyopneumoniae indirect ELISA antibody detection kit and an application. According to the invention, two strains of recombinant E. coli pGEX-KG-46 and pGEX-KG-65 expressing M. hyopneumoniae p46 protein and p65 protein are obtained through a gene engineering recombinant technology. The kit provided by the invention comprises an ELISA plate using expression proteins of mutant P46 gene and P65 gene of the Mycoplasma hyopneumoniae membrane proteins as common antigen coating, and other core reagents. The invention discloses clone of the P46 gene and the P65 gene of the Mycoplasma hyopneumoniae membrane proteins, site-directed mutagenesis, and expression and purification methods of the p46 protein and the p65 protein, and further discloses a Mycoplasma hyopneumoniae indirect ELISA antibody detection method. The indirect ELISA antibody detection kit provided by the invention can be used for a large-scale clinical testing and an epidemiological investigation of the Mycoplasma hyopneumoniae antibody, and has a wide market prospect.

The invention provides an enzyme conjugate stabilizing solution which comprises the following components: 1-7.5g / L protein material, 5-50g / L saccharide material, 2-30g / L amino acid material, 5-50g / L antipyrine, 1-10 g / L vitamin C, 0.2-5g / L surfactant, 0.5-5 million IU / L gentamycin sulfate, 0.5g / L Proclin 300 and 0.02mol / L phosphate buffer solution the pH value of which is 7.4. By using the enzyme conjugate stabilizing solution provided by the invention, after the enzyme conjugate is not in a low temperature environment, the bioactivity of the enzyme conjugate can be maintained for a longer time, thereby solving the problem that the enzyme conjugate is easy to lose activity after the enzyme is not in the low temperature storage environment in the related technology. In addition, the enzyme conjugate stabilizing solution provided by the invention is easy to prepare, the sensitivity is not affected, the cost is low, the operation is simple, environmental pollution can not be caused, the stabilizing solution is nontoxic and harmless to the human body and the like.

The invention discloses a weed control compound and a preparation method thereof. The weed control compound is mainly composed of conidium of Curvularia fungus strain QZ-2000 with preservation number CGMCC NO.0640 and a chemical herbicide, wherein the concentration of the conidium is 1-10g / L, and the concentration of the chemical herbicide is 1 / 20-1 / 3 of a conventional dosage. The invention adopts that the conidium is compounded with the chemical herbicide; on one hand, conidium dosage is lowered, biological prevention and cure cost is lowered, and the chemical herbicide performs the synergy when compound compared with the situation that only spore is adopted; on the other hand, lowers pollution of chemical herbicide is lowered.

The invention discloses a projector device. The projector device comprises a color wheel module, a sensing module and a transparent plate body, wherein the color wheel module comprises a color wheel, a motor and a color wheel bracket; the motor is used for rotating the color wheel; the color wheel is rotatably fixed on the color wheel bracket; the color wheel bracket is provided with a first plate body; an opening is formed on the first plate body; the sensing module is used for sensing the color wheel to generate a color wheel sensing signal, comprises a sensing element, is fixed on the color wheel bracket, and is opposite to the opening; and the transparent plate body is attached to and fixedly arranged on the first plate body and covers the opening. The projector device can prevent dust from being accumulated in the color wheel bracket and the sensing module under the condition of not influencing the sensitivity of the sensing element.

The invention discloses a compound biological herbicide and an application method thereof, belonging to a compound application technology of a biological herbicide and an organic acid. The biological herbicide comprises used spore, mycelia and metabolite types; the organic acid is selected from an oxalic acid, an acetic acid or a formic acid; the mass ratio of the biological herbicide to the organic acid is (1:0.02)-(1:4). When the compound biological herbicide disclosed by the invention is used, the biological herbicide and the organic acid can be prepared into a water solution to be sprayed, and also can be sprayed separately. By using the compound ratio of the compound biological herbicide to the organic acid, the compatibility is good, the organic acid has a synergistic effect on the biological herbicide, and the environment-friendly effect is achieved.

The invention provides an electromagnetic positioning device, which comprises an induction positioning plate. The outer boundary of a side of the induction positioning plate is equipped with a fixing plate. A support base is mounted on the fixed plate on the front of the induction positioning plate. The lower portion of the support base is equipped with a track on which a projectile is disposed. A slide rod is mounted on the support base. A first spring is mounted on the slide rod. One end of the slide rod in the length direction is located at one side of the projectile, while the other end of the slide rod is located at the outer side of the fixing plate. The back of the induction positioning plate is provided with horizontally and vertically arranged coil array circuits. A USB interface is disposed in the induction positioning plate and is connected with a computer through a line. The projectile has an upper shell and a lower shell, and forms a cavity once being closed. A battery is mounted in the cavity and is connected with a circuit board via a wire. The circuit board is connected with a magnetic core coil via the wire. The invention can display the horizontal projectile motion as the resultant motion of the uniform linear motion in a horizontal direction and the free-fall motion in a vertical direction via the computer, and has the advantages of easy operation, low maintenance rate and long service life.

Disclosed is a microgrid integrated relay protection method suitable for grid-connected operation and isolated island operation. When a circuit has a fault under different operation modes of a microgrid, a fault section can be cut off accurately, according to a provided setting method and different relative positions of a micro power source and a protection device, different distance setting methods are adopted, adaptivity is achieved, and the problems of protection failures, maloperation and the like caused by distributed power source output currents are solved. In addition, the method only needs to be slightly modified in a general microcomputer protection program, no additional circuit or device needs to be mounted, cost is low, and great significance in the safety of the microgrid is achieved.

The invention discloses a reagent box of latex agglutination which is used for quickly detecting the birds flu virus. Putting the hare birds flu anti-virus nuclein IgG couple to the surface of carboxylation polystyrene latex particles, founding the method to test the latex agglutination of birds flu virus, then supplemented by other match reagents prepared the reagent box of detect the bird flu virus latex agglutination. the reagent box of detect the bird flu virus latex agglutination is composed of box body and latex diagnostic reagents, sample handling liquid of A which is located in box, sample handling liquid of B, positive contrast sample and negative contrast sample. The reagent box is referred directly detect the birds flu virus, its notable advantages are that strong specificity, high sensitivity, simple operation and rapid diagnosis.

This invention discloses a latex agglutination kit to quickly detect H5 subtype of avian influenza virus. The anti monoclonal antibodies of H5 subtype of avian influenza virus hemagglutinin protein were coupled to the surface of carboxyl polystyrene latex particles using water-soluble carbodiimide, the methods about detection of H5 subtype of avian influenza virus were established, the latex agglutination detection kits of H5 subtype of avian influenza virus were prepared supplemented by other matching reagents. This kit was made up of box body and the body latex diagnostic reagents in the box, sample handling liquid A, sample handling liquid B, the positive control samples and negative control samples. This invention kit can directly detect the H5 subtype avian flu virus, with high specificity, high sensitivity, simple and rapid diagnosis, and other significant advantages.

Provided is a gyroscope self-calibration device and method. The gyroscope self-calibration device comprises a signal generator and a signal processing circuit, wherein the signal generator is used for producing modulating signals including a drive signal and an electric excitation signal, the modulating signals are used for driving a gyroscope to output a current signal having a phase shifting component, the signal processing circuit is used for processing the current signal output by the gyroscope to obtain a voltage value, and the angular velocity of the electric excitation signal in the modulating signals and the voltage value form linear relation. The gyroscope self-calibration device adopts the modulating signals to replace a traditional high-precision physical turntable and completes self calibration of the gyroscope. Therefore, a factory-leaving standardization calibration procedure of the gyroscope is simplified, and the self calibration cost is reduced. In the usage process of the gyroscope, a user can perform self calibration of the gyroscope in real time, so that device parameter change produced due to device ageing, environment temperature change, system noise and the like is avoided in the using process of the gyroscope, and reduction of the precision of the gyroscope is avoided.

The invention discloses a BVDV (bovine viral diarrhea virus) internal control typing fluorescent PCR (polymerase chain reaction) detection kit and a preparation thereof. By means of the primer design, a BVDV I, a BVDV II and a PCR template for monitoring internal control are obtained through single PCR amplification, a BVDV internal control typing fluorescent PCR detection system is established through the primer design, PCR amplification and optimization of reaction conditions, the BVDV I and the BVDV II can be independently detected or synchronously detected, and quality monitoring can be performed on the detection result. The prepared kit comprises two parts of a cDNA (complementary deoxyribonucleic acid) synthesis system and an SYBR fluorescent PCR amplification system. The minimum detection limit of the kit to three types of genes is 102 copy, the kit has better specificity and repeatability, the detection quality is ensured, and the kit has a better application value.

The invention belongs to the technical field of phone protective films, and particularly relates to a preparation method of a curved screen phone tempered glass film. The preparation method comprises the following steps: attaching an OCA optical adhesive with a specific thickness to the upper surface of a TPU (thermoplastic polyurethane) substrate, attaching a silica gel with a specific thickness to the lower surface of the TPU substrate to obtain a TPU film, and attaching the TPU film to a glass film subjected to hot bending tempering treatment. The curved screen phone tempered glass film has the advantages of favorable hardness, favorable water resistance and favorable high-temperature resistance, and can achieve favorable effects of impact resistance, scratch resistance, wear resistance and drop prevention. The curved screen phone tempered glass film can be completely attached to the phone curved screen without the phenomena of bubbles, degumming, press marks and the like, can effectively enhance the aesthetic property of the phone, can not influence the sensitivity of the phone screen after being attached to the phone curved screen, and is an ideal curved screen phone tempered glass film.

The invention provides an auxiliary explosion vibration tester which comprises a foundation pile and a vibration meter installation position, the lower end of the foundation pile includes a cone, the vibration meter installation position includes a hollow cube with three adjusting screws, the three adjusting screws are positioned in three vertical side surfaces of the hollow cube respectively, and the hollow cube is fixed in the upper end of the foundation pile via the three adjusting screws; and two steel bars bent to an arc shape or a groove type are arranged in the middle portion of the foundation pile, and are welded and fixed to the side surface of the foundation pile along the vertical direction, and the bent steel bars and the side surface of the foundation pile form an enclosed fixing ring. The invention provides a explosion vibration test method correspondingly. A sensor of an explosion vibration meter is bound and fixed to the auxiliary explosion vibration tester via gypsum and water; the auxiliary explosion vibration tester can be rapidly nailed into the ground of soil and broken stones, the surface is flattened rapidly, and the sensor of the explosion vibration meter can be installed stably and conveniently; and the auxiliary explosion vibration tester is simple in structure and low in cost and can be pulled out conveniently in a labor-saving way.

The invention provides a fishing method. An upper hook (1), a lower hook (2), a lower lead weight (3), an upper lead weight (4), a buoy (5), a main line (6), a short sub-line (7) and a long sub-line (8) are included. The fishing method is characterized in that on the basis that according to the Taiwan fishing method, the hooks are not tied, and the buoy is well adjusted, the lower lead weight which reaches the bottom is added 2 cm above the upper side of the upper hook, the lower lead weight is fixed on the short sub-line of the upper hook, a metal ring is arranged on the lower lead weight, the long sub-line of the lower hook penetrates through the inner portion of the ring, so that two fishing hooks below the lower lead weight and the sub-lines lie at the bottom of water, fish can hardly find the sub-lines between the lead weights and the hooks, due to the fact that the long sub-line penetrates through the inner portion of the ring on the lower lead weight, the lower lead weight does not need to be pulled when the fish takes in lower hook bait, the sensitivity of the buoy is hardly affected, and the fishing method is a brand-new fishing method which has the advantages of a traditional fishing method and the Taiwan fishing method and overcomes the shortcomings of the traditional fishing method and the Taiwan fishing method. Due to the fact that the surname of the inventor is Li and a line group is shaped like a capital English letter L after the line group enters the water, the fishing method is called an L-shaped fishing method.

The present invention provides the driving system of a speaker, which comprises a vibration film or a vibration plate, a voice coil and a magnetic circuit. The present invention is characterized in that the magnetic circuit consists of a piece of magnetic plate and two pieces of steel magnets; the same magnetic poles of the two steel magnets are respectively coupled with the upper face and the lower face of the magnetic plate; so a radial magnetic field is gathered near the side face of the magnetic plate. The voice coil is covered and arranged around the periphery of the side face of the magnetic plate. With the technical proposal of the present invention, a non-magnet clearance magnetic circuit is formed; or the driving system of the speaker of a large-magnet clearance magnetic circuit is formed; the moving space of the voice coil is enlarged; core-fixing branch parcels or other similar core-fixing mechanisms are saved; the relatively beneficial technical effects are produced: the high frequency replaying is improved; the nonlinear is reduced; and the problem that a multi-driving speaker is difficult to arrange is solved.

The invention discloses a phase diaphragm (2) capable of measuring optical nonlinearity of material, comprising a phase object (13), wherein the phase delay between the phase object (13) and the phase diaphragm (2) is Pi / 2; the phase object (13) is a symmetrical square. The invention can effectively measure and distinguish the size and symbol of the third-order nonlinear refraction coefficient of a medium without influencing the measuring sensitivity.

The invention relates to a broadband vector hydrophone with a glass fiber reinforced plastics acoustic transmission cap package, and solves the problems that current hydrophone is narrower in frequency response range and larger in frequency response curve fluctuation. A metal tube shell of a signal processing circuit board is built in the hydrophone. A chip vibration damping support body is arranged on the top face of the metal tube shell. The chip vibration damping support body is provided with a four-beam sensitive micro-structure and a sensitive column. The acoustic transmission cap is fixed on the metal tube shell. The four-beam sensitive micro-structure, the sensitive column and the chip vibration damping support body are packaged in the acoustic transmission cap which is filled with a medium: silicon oil. The hydrophone is improved in the aspect of materials of the acoustic transmission cap, and a glass fiber reinforced plastics material replaces current polyurethane material. Under the circumstance that the sensitivity of the vector hydrophone is not affected, the frequency band of the hydrophone is expanded, the frequency response is improved, and the performance index of the hydrophone is greatly improved. The broadband vector hydrophone has a good application prospect.

The invention provides a recognition method for transformer saturation under the condition of complex surge. The recognition method comprises the following steps of (1) reading three-phase current sampling values at the two sides of protected equipment; (2) judging whether transformer-saturation recognition criterion is started according to the read three-phase current sampling values at the two sides of the protected equipment, if the judgment result is yes, starting the transformer-saturation recognition criterion and executing the step (3), or returning the step (1); (3) judging whether the aperiodic component of current becomes lower; (4) judging whether differential protection acts; and (5) carrying out self-adaptive adjustment on a constant value of a differential-protection acting platform. The recognition method provided by the invention has the advantages that TA saturation can be effectively recognized, differential-protection false action caused by TA saturation in the period of complex surge is prevented, the internal fault condition can not be misjudged as TA saturation, and the sensitivity of protection when the internal faults occur is not influenced.

The invention belongs to the fields of detection technology of animal virology and epizootiology. The invention particularly relates to an H1-subtype influenza A virus double-antibody sandwich ELISA kit and an application. The kit of the invention comprises an enzyme label plate which contains anti-H1-subtype influenza A virus hemagglutinin, has a preservation number of CCTCC NO: C201106, and is coated by a monoclonal antibody, and a horseradish peroxidase labeled H1-subtype influenza A virus hemagglutinin monoclonal antibody is used as a second antibody. The invention discloses separation, amplification, inactivation, and purification methods of the H1-subtype influenza A virus, and preparation and purification methods of the H1-subtype influenza A virus hemagglutinin monoclonal antibody. The invention also discloses an H1-subtype influenza A virus double-antibody sandwich ELISA detection method.

The invention relates to a wind-proof microphone. The wind-proof microphone comprises a shell (1), wherein a sealing plate (10) is arranged at one end of the shell (1) and provided with an external soniferous hole (11); a circuit board (9) is arranged in the shell (1); a pole head capacitor consists of a vibrating diaphragm (2) as well as a backplate (3), and is arranged between the circuit board (9) and the sealing plate (10); a wind-proof sheet (4) is arranged between the sealing plate (10) and the vibrating diaphragm (2); a gap (12) is reserved between the wind-proof sheet (4) and the sealing plate (10); a wind-proof sheet soniferous hole (41) is formed on the wind-proof sheet (4) and interleaved with the external soniferous hole (11); and the external soniferous hole (11) is communicated with the wind-proof sheet soniferous hole (41) through the gap (12). Compared with a conventional electret condenser microphone, the microphone provided by the invention has an excellent wind-proof capacity, and the wind noise ratio is more than 10 dB lower than that of the conventional microphone.

This invention has provided one kind of disc brake gap self-modulation machine structure. In this disc brake gap self-modulation organization, the said brake includes the cam lever, the release forks connected on the lever, adjusting sleeve with a gap inserted with the fork. In the adjustment sleeve is equipped with a cylinder shape unidirectional bearing which is connected tightly with the adjusting sleeve. In the bearing is fitted with an internal sleeve in which is fitted with a screw-tube screw-rod interlinking mechanism. Advantages: accurate gap adjustment and long service life.

The invention discloses an A-type H1 subtype influenza virus antibody blocking ELISA kit. The kit comprises: a) an A-type H1 subtype influenza virus A-Influ / JML-F9; b) a monoclonal antibody with strong specificity of an A-type H1 subtype influenza virus-resistant hemagglutinin protein; c) an antibody blocking ELISA core kit prepared from the monoclonal antibody of the A-type H1 subtype influenza virus-resistant hemagglutinin protein; and d) a sample diluting liquid, 10 times of a washing liquid, a substrate liquid A, a substrate liquid B, a reaction stop solution, a positive control sample and a negative control sample in the kit. The invention also discloses applications of the A-type H1 subtype influenza virus antibody blocking ELISA kit in A-type H1 subtype influenza virus antibody detection. The kit has strong specificity, high sensitivity, short detection time, easy and practical operation, and no need of being operated by a professional person. The kit is good in stability and long in retention period, and solves a problem of the A-type H1 subtype influenza virus antibody detection.

An imaging sensor system includes an optics system that images a point feature of a scene at an image plane with a blur-circle image having a blur diameter, and a detector array at the image plane. Special array patterns and signal detector logic are used to improve the accuracy of the determination of the object location. In one form, the detector array is a one-dimensional detector array comprising a plurality of detector subelements each having a width of from about ½ to about 5 blur diameters, and a length of n blur diameters. Each detector subelement overlaps each of two adjacent detector subelements along their lengths. An overlap of each of the two adjacent detector subelements is m blur diameters, and a center-to-center spacing of each of the two adjacent detector subelements is nO blur diameters. The value of n is equal to about 3m, and the value of m is equal to about nO / 2. In another form, the detector is a two-dimensional detector array of detector subelements. The detector subelements are sized and staggered such that an area of the blur-circle image may not simultaneously be split equally among four detector subelements.

The invention relates to a fishing method. The fishing method relates to an upper hook (1), a lower hook (2), a lower lead weight (3), an upper lead weight (4), a buoy (5), a main line (6), a short auxiliary line (7) and a long auxiliary line (8). The fishing method is characterized in that on the basis that a hook is not tied in a Taiwan fishing method and the buoy (5) is well adjusted, the lower lead weight (3) to the bottom is then additionally arranged at the position 2 mm away from the upper edge of the upper hook (1), the lower lead weight (3) is fixed on the short auxiliary line (7) of the upper hook (1), a metal ring is further arranged on the lower lead weight (3), the long auxiliary line (8) of the lower hook (2) penetrates through the ring, the lower hook below the lower lead weight (3) and the auxiliary lines all lie at the water bottom, and fish cannot find the auxiliary lines between the lower lead weight and the hooks; as the long auxiliary line penetrates through the ring on the lower lead weight, the lower lead weight does not need to be pulled when the fish sucks baits on the lower hook, and the sensitivity of the buoy is basically not influenced. The brand-new fishing method has the advantages of a traditional fishing method and the Taiwan fishing method at the same time, and overcomes shortcomings of the traditional fishing method and the Taiwan fishing method.

The invention discloses an improved experimental buffer solution. The improved experimental buffer solution comprises a basic experimental buffer solution, sodium chloride and a dissociation agent, wherein the dissociation agent is at least one selected from the group consisting of 8-anilinonaphthalene-1-sulfonate, thimerosal, sodium salicylate and sodium trichloroacetate. The invention also discloses the application of the improved experimental buffer solution. The improved experimental buffer solution provided by the invention can effectively reduce electrostatic force, promote the dissolution and dissociation of non-specific immunoreactive or non-specifically adsorbed low-affinity protein ligands, and reduce the non-specific binding of antigens and antibodies; and the improved experimental buffer solution can promote the dissociation of non-specific immunoreactive or non-specifically adsorbed protein ligands under the action of the dissociation agent, so non-specific reactions of immunoassay are reduced, and detection resolution, accuracy and precision are improved.

The invention discloses a monoclonal antibody of anti-H9 subtype flu virus haemagglutinin protein, which is secreted by hybridoma cell strain 4D10 with the preserving number of CCTCC No: C2012152. The invention further discloses a double antibody sandwich ELISA test kit of H9 subtype flue virus and a detection method. The monoclonal antibody of anti-H9 subtype flu virus haemagglutinin protein is used as a primary antibody, a monoclonal antibody marked by horseradish peroxidase is used as a second antibody, and a separation, augmentation, inactivation and purification method of H9 subtype flue virus and a preparation and purification method of anti-H9 subtype flu virus haemagglutinin monoclonal antibody are disclosed. According to the test kit and the detection method disclosed by the invention, the H9 subtype flue virus can be detected directly, and the monoclonal antibody has the characteristics of being high in specificity, high in sensitivity, short in detection time, wide in detection sample range and the like.

The invention relates to an angling method. An upper hook (1), a lower hook (2), a lower lead weight (3), an upper lead weight (4), a buoy (5), a main line (6), a short auxiliary line (7) and a long auxiliary line (8) are used in the angling method. The angling method is characterized in that on the basis that the buoy (5) is completely adjusted without fastening the upper hook (1) and the lower hook (2) in the Taiwan fishing method, the lower lead weight (3) reaching the bottom is additionally arranged at the position two centimeters above the upper hook (1) and fixed to the short auxiliary line (7) of the upper hook (1), a metal ring is further arranged on the lower lead weight (3), the long auxiliary line (8) of the lower hook (2) penetrates through the metal ring to enable the upper hook (1) and the lower hook (2) which are arranged below the lower lead weight (3) and the portions, on the lower portions of the lower lead weight (3), of the short auxiliary line (7) and the long auxiliary line (8) to all lie at the water bottom, and fishes can not easily find the portion, between the lower lead weight (3) and the upper hook (1), of the short auxiliary line (7) and the portion, between the lower lead weight (3) and the lower hook (2), of the long auxiliary line (8); due to the fact that the long auxiliary line (8) penetrates through the metal ring of the lower lead weight (3), the lower lead weight (3) can not be pulled to move when the fishes suck and eat baits on the upper hook (1) and the lower hook (2), and the sensitivity of the buoy (5) is basically not influenced. The angling method is a brand new angling method which has the advantages of a traditional fishing method and the advantages of the Taiwan fishing method and overcomes the defects of the traditional fishing method and the defects of the Taiwan fishing method.

A photoelectric smoke detector of backwards type is prepared as arranging detection region formed by crossing emission light path with reception light path in dark chamber formed by base and shading cover, jacketing emission light guide tube and reception light guide tube separately on light emitter and receiver for making emission light path be presented as conical emission path by using light emitter as conical point and reception light path be presented as conical reception path by using light receiver as conical point.

The invention relates to a digital incompletion bus differential protection method based on current state quantity. The digital incompletion bus differential protection method includes a first step of determining a system as a bi-side power supply system or a single-side power supply system and determining the current states and directions of each power supply branch; a step two of determining the current state of each non-power supply branch, wherein each device sends current state quantity based on GOOSE service and each power supply branch subscribes for the GOOSE current state quantity sent by other devices on a bus based on the GOOSE service; and a step three of each power supply branch simultaneously determining phase-splitting faults according to the whether the system is a bi-side power supply system or a single-side power supply system. The motion criteria can correctly distinguish normal operation, inner region faults and outer region fault. The current state quantity of each branch is employed for motion criteria, protection for each power supply branch is completed separately, and consistency on mutual inductor characteristics is not required.