Extrusion molding process for hose production

The invention discloses an extrusion molding process for hose production, which comprises the following steps: S1, mixing a rubber compound, adding a pigment and a vulcanizing agent, and mixing into a silicone tube manufacturing raw material with a required color through an open mill; s2, adding the silicone tube manufacturing raw materials, a cross-linking agent and a catalyst into a mixer for stirring or open milling and mixing treatment; s3, impregnating continuous fiber roving in the resin glue solution by a winding forming method, and winding the continuous fiber roving on a core mold corresponding to the size of the inner cavity of the product; s4, extrusion: selecting a forming mouth mold of a corresponding model according to the pipe diameter, and feeding the mixed material obtained in the step S2 into an extruder to be extruded to a core mold; s5, shaping: curing the extruded raw materials for manufacturing the silicone tube under a heating condition to manufacture a hose; the ...

Shutdown treatment method, device and equipment for offshore nuclear power plant and storage medium

The invention relates to a shutdown processing method, device and equipment for an offshore nuclear power plant and a storage medium. The method comprises the following steps: acquiring an attitude information set and a motion information set of the offshore nuclear power device acquired by at least two identical detection devices; wherein the at least two identical detection devices are configured based on the working condition of the ocean where the offshore nuclear power device is located, the attitude information set comprises at least two pieces of attitude information, each piece of attitude information comprises a swing angle and/or an inclination angle, the motion information set comprises at least two pieces of motion information, and each piece of motion information comprises acceleration; according to the comparison result of the set angle threshold value and the attitude information in the attitude information set and the comparison result of the set acceleration threshold value ...

Call processing method and device, electronic equipment and storage medium

The embodiment of the invention provides a call processing method and device, electronic equipment and a storage medium, and relates to the field of financial science and technology or other related fields, and the method comprises the steps: recording a call record in an incoming call complaint process of a user; according to the call record, keywords related to the complaint purpose of the user and emotional characteristics of the user are obtained, and the emotional characteristics are used for indicating the emotional tendency of the user; according to the keyword, obtaining at least one complaint processing scheme from a preset scheme library; and outputting the emotional characteristics and the at least one complaint processing scheme to terminal equipment corresponding to the customer service staff, so that the customer service staff can refer to the complaint processing scheme in the process of communicating with the user. Through the method, the probability that a satisfactory ...

Astronautic camera LVDS data reliable transmission and reception method

The invention discloses an astronautic camera LVDS data reliable transmission and reception method, and relates to data transmission and reception technology. The problem that in the application process of an existing astronautic camera, due to the fact that a large amount of signal interference exists on an LVDS data transmission channel, data effectiveness is misjudged, and reliable transmission and reception of data are influenced. According to the astronautic camera LVDS data reliable transmission and reception method, a reception portion circuit of the LVDS data transmission channel is limited, and interference is reduced; for interference produced during powering up and sequence signal output of an astronautic camera imaging unit, the design of the camera is limited, and the interference is reduced; for the data received by the data reception portion, a data buffer and delay judging method is adopted to judge data effectiveness, and data transmission reliability is improved.

Method for real-time synthesis of image data output by high-resolution multi-tap planar array CCD (Charge Coupled Device)

The invention discloses a method for real-time synthesis of image data output by a high-resolution multi-tap planar array CCD (Charge Coupled Device), relating to an image data synthesis method and solving the problem that a line of data in the traditional SDRAM (Synchronous Dynamic Random Access Memory) is read or written by multiple burst operations and multiple judgments on whether to carry out refreshing operation as well as storage activation and pre-charge operation. The method comprises the steps of: dividing image data output by multiple taps of the CCD into four groups and sending to double-port RAMs of a ping-pong structure for data integration; writing data in the upper left and the lower left double-port RAMs of the ping-pong structure into a left SDRAM of the ping-pong structure, and writing data in the upper right and the lower right double-port RAMs of the ping-pong structure into a right SDRAM of the ping-pong structure; and reading the image data from the left SDRAM of ...

Analog device of external synchronous time-delayed-integration charge coupled device

The invention discloses an analog device of an external synchronous time-delayed-integration charge coupled device (TDI CCD), which belongs to the field of TDI CCDs. The device comprises a pin electrical characteristic analog circuit, a drive characteristic extraction circuit, an OS (Operating System) signal synthesis circuit, a delay characteristic control circuit, a light sensitivity control circuit and an integration series control circuit. By adopting the analog device, the analog of actual TDI CCD contour dimension, input/output pin electrical characteristics, output video signals and light sensitivity characteristics are realized. The analog of a TDI CCD signal is realized by applying the external synchronous theory, thus the actual contour size of the device is equivalent to the contour size of the TDI CCD, and the analog device has the characteristics of simple structure and low cost and can completely replace the actual TDI CCD to finish various experiment works.

Miniature pneumatic pressure balancer

The invention relates to a small-sized pneumatic pressure balancer, comprising a pressure balancing part and a pressure feedback part. The small-sized pneumatic pressure balancer is characterized in that: compressed nitrogen is adopted as the power source of pressure balancing; an electromagnetic valve is used for controlling the nitrogen which enters a steel pipe and acts on a rubber plate; the rubber plate then acts on the wall surfaces of a vessel to realize the balance between the pressures in and out of the vessel. With simple structure, excellent flexibility, easy control of exerted pressure and simple as well as convenient operation, the small-sized pneumatic pressure balancer is suitable for the pressure balancing in the visual absorption test equipment. Meanwhile, the small-sizedpneumatic pressure balancer can also play a role in balancing the internal pressure for vessels incapable of bearing the excessive internal pressure, and in particular to vessels of easy transformation ...

Ultraviolet exposing machine and its exposure automatic control method and its device

Miniature pneumatic pressure balancer

The invention relates to a small-sized pneumatic pressure balancer, comprising a pressure balancing part and a pressure feedback part. The small-sized pneumatic pressure balancer is characterized in that: compressed nitrogen is adopted as the power source of pressure balancing; an electromagnetic valve is used for controlling the nitrogen which enters a steel pipe and acts on a rubber plate; the rubber plate then acts on the wall surfaces of a vessel to realize the balance between the pressures in and out of the vessel. With simple structure, excellent flexibility, easy control of exerted pressure and simple as well as convenient operation, the small-sized pneumatic pressure balancer is suitable for the pressure balancing in the visual absorption test equipment. Meanwhile, the small-sized pneumatic pressure balancer can also play a role in balancing the internal pressure for vessels incapable of bearing the excessive internal pressure, and in particular to vessels of easy transformation ...

Photoelectric conversion simulating device of TDI CCD apparatus and method thereof

The invention provides a photoelectric conversion simulator and a method for a TDI CCD device, which belong to the photoelectric conversion testing device and the method of the TDI CCD. The photoelectric conversion simulator includes a photoelectric conversion module, a buffer-amplifier module, an A/D converter, a digital signal processing circuit, a D/A converter and an output-amplifier module; the photoelectric conversion module is used for finishing receiving the optical signal and the conversion function which is from the optical signal to the electric signal; the buffer-amplifier has the effect of amplifying the signal amplitude properly; the A/D converter is used for finishing the function of digitalizing the analog electric signal; the digital signal processing circuit is responsible for processing the algorithm conversion; the D/A converter is used for converting the numerical value of the TDI CCD output signal to the practical TDI CCD video level; the buffering output-amplifier ...

Video displacement monitoring device, method and system

The embodiment of the invention provides video displacement monitoring equipment, a video displacement monitoring method and a video displacement monitoring system, which can perform three-dimensional reconstruction through a to-be-monitored image of a to-be-monitored area and parameter information of a camera, perform three-dimensional restoration on the to-be-monitored area, and then determine whether the to-be-monitored area is displaced through point cloud analysis. In the embodiment of the invention, the data of the to-be-monitored area and the parameter information of the camera are acquired, then the to-be-monitored area is monitored through three-dimensional reconstruction, the earth surface movement rate of the to-be-monitored area is determined by using the point cloud data, and the to-be-monitored area can be monitored without analysis and judgment of professionals. Each monitoring platform only needs to monitor the to-be-monitored area based on the monitoring result without ...

Sterilization composition, preparation and application of preparation

The invention discloses a sterilization composition which is characterized by comprising fluazinam and thiophanate-methyl with a mass ratio of 3:5. The invention further provides a sterilization preparation prepared by using the sterilization composition and application of the sterilization preparation to prevention and control of late blight of crops, especially late blight of potatoes, the sterilization preparation comprises the following ingredients in percentages by mass: 8-48 percent of the sterilization composition, 1-3 percent of a dispersing agent, 1-3 percent of a wetting agent and the balance being water, and other auxiliaries such as an antifoaming agent, an antifreezing agent, a thickening agent, a preservative and a stabilizer which are beneficial to stabilization of the fluazinam and the thiophanate-methyl during storage and use and development of a pesticide effect. The sterilization preparation prepared from the sterilization composition has a remarkable synergistic effect ...

Improved magnetic latching relay satellite-borne camera power supply system

The invention relates to a satellite-borne camera power supply system, in particular to an improved magnetic latching relay satellite-borne camera power supply system solving the problems that due to the fact that a primary power source return wire and a secondary power source return wire of a DC/DC module of existing satellite-borne camera equipment are not isolated, the input level and the output level of the DC/DC module interfere with each other. A small-power DC/DC is independently adopted to supply power to a magnetic latching relay coil, and the state switching correction of the power supply system is guaranteed. The DC/DC module is directly connected to a power supply circuit, and the surging of the power supply circuit due to connection of the DC/DC after the system is powered on is avoided. A magnetic latching relay is combined with a triode and an RC charging and discharging circuit to carry out isolation control over a working enabling end of the DC/DC. The common ground of ...

Heat regenerator of heat-regenerating type low-temperature refrigerator

The invention discloses a heat regenerator of a heat-regenerating type low-temperature refrigerator, which comprises a sleeve of a heat regenerator and a filler of the heat regenerator. The heat regenerator is characterized in that the sleeve of the heat regenerator is firstly filled with the radial filler and secondly filled with the axial filler, which are alternately filled, and finally with the radial filler; the radial filler is formed by tightly paving and overlapping 20-40 pieces of circular metal nets layer by layer, wherein the diameter of each piece of the circular metal net is equal to the inner diameter of the sleeve of the heat regenerator; the axial filler is formed by tightly winding through a square metal net piece along an edge metal wire; and the radial filler and the axial filler are tightly contacted with the inner wall of the sleeve of the heat regenerator. The depth m of the axial filler is larger than the depth n of the radial filler, and the voidage of the axial ...

Method for calculating high-suspension sediment concentration of Landsat satellite sensors

The invention discloses a method for calculating the high-suspension sediment concentration of Landsat satellite sensors, and belongs to the field of the ocean color remote sensing technology. The method is independent from specific seasons and areas and has accurate calculation results. The method comprises the following steps: receiving the Landsat satellite sensing data; carrying out data preprocessing, comprising radiation correction, atmospheric correction and geometric correction of data; selecting the data of the fourth wave bands of a Landsat satellite TM sensor and a Landsat satellite ETM sensor or the data of the sixth wave band of a Landsat satellite MSS sensor; and calculating the suspended sediment concentration of a high sediment content water body. L is one of TM4, ETM4 and MSS6 wave band image radiation brightness value, and S is suspended sediment concentration (mg/L).

Shutdown processing method and device, computer equipment and storage medium

The invention discloses a shutdown processing method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring a first neutron fluence rate of a power range channel acquired by each common-source detection device, and a second neutron fluence rate of a power range channel acquired by each single-source detection device; selecting an available first neutron fluence rate from each first neutron fluence rate according to the function of each common source detection device; determining an intermediate logic value according to a set threshold value and an available first neutron fluence rate; and according to the intermediate logic value, a set threshold value and each second neutron fluence rate, determining whether the nuclear reactor is shut down or not. According to the scheme, the intermediate logic value is introduced, and whether the reactor shutdown processing is carried out on the nuclear reactor is determined according to the intermediate ...

Double-area array push-broom three-dimensional surveying and mapping method and system

The invention discloses a double-area array push-broom three-dimensional surveying and mapping method and a double-area array push-broom three-dimensional surveying and mapping system, and relates to an imaging system, solving the problems that if the existing three-wire array push-broom imaging is adopted, corresponding posture parameters are required for each row of images, and thus the posture measurement velocity is low and the precision is lowered greatly. When the double-sided array push-broom three-dimensional surveying and imaging is carried out, each image meets the central projection principle, and only a group of posture parameters are required for each image, so that the requirement for the posture upgrade rate is lowered; the push-broom three-dimensional surveying and imaging with high base-height ratio is realized by utilizing the double-area array imaging device; the row cycle is set according to the height of a track and the pixel size of a plane array sensor; the maximal ...

Driving system for EMCCD (electron-multiplying charge coupled device) specific signal

The invention relates to a driving system for EMCCD (electron-multiplying charge coupled device) specific signal and belongs to the technical field of CCD (charge coupled device) drive. The system comprises a controller, a positive adjustable voltage element, a negative adjustable voltage element, two integrated drivers, three blocking circuits, three direct current level embedding circuits, two protection resistors, a P-type MOSFET (metal-oxide -semiconductor field effect transistor) and an N-type MOSFET. By the using of the system, the problems that the driving signal is high in frequency and amplitude and is difficult to realize are solved. The system is characterized by generating a high-speed high-pressure driving signal in totem-pole manner by alternately switching on two complementary high-speed powerful MOSFET, changing the resistance value of a digital potentiometer by the using of a digital control signal so as to change the positive and negative power values and finally changing ...

Photoelectric conversion simulating device of TDI CCD apparatus and method thereof

The invention provides a photoelectric conversion simulator and a method for a TDI CCD device, which belong to the photoelectric conversion testing device and the method of the TDI CCD. The photoelectric conversion simulator includes a photoelectric conversion module, a buffer-amplifier module, an A/D converter, a digital signal processing circuit, a D/A converter and an output-amplifier module; the photoelectric conversion module is used for finishing receiving the optical signal and the conversion function which is from the optical signal to the electric signal; the buffer-amplifier has theeffect of amplifying the signal amplitude properly; the A/D converter is used for finishing the function of digitalizing the analog electric signal; the digital signal processing circuit is responsible for processing the algorithm conversion; the D/A converter is used for converting the numerical value of the TDI CCD output signal to the practical TDI CCD video level; the buffering output-amplifier ...

Edge server deployment position determination method and device, equipment, medium and product

The invention provides an edge server deployment position determination method and device, equipment, a medium and a product, and relates to the technical field of cloud computing. The method comprises the following steps: acquiring occurrence positions of a plurality of service requests; carrying out clustering processing on the occurrence positions of the plurality of service requests by adopting a preset clustering algorithm, and determining an initial deployment position of an edge server; optimizing the initial deployment position of the edge server by adopting a preset genetic algorithm, and determining an optimized deployment position of the edge server; and in response to the condition that the optimized deployment position of the edge server meets a preset convergence condition, determining the optimized deployment position when the preset convergence condition is met as a target deployment position of the edge server. Therefore, the target deployment position of the edge server ...

一种紫外曝光机及其曝光量自动控制方法及其装置

The exposure control device for ultraviolet exposure machine includes two cooling hoods, two light sources, two shades, two shutter sheets, conveyer belt, two electric executing mechanisms, metal cathode plate, two upper detectors, two diffuse reflection plates, two lower detectors, driver, computer, signal amplifying converter and cable. The automatically controlled ultraviolet exposure machine is designed and has automatically controlled illumination strength measurement, exposure calculation and exposure timing. The machine may be connected with other digital equipment and several machines may be linked for integral control in production line. In case the illumination strength varies with time, the strength may be detected and the exposure time may be increased or decreased to ensure sufficient exposure, so as to raise the product quality of the metal cathode.

Sterilization composition, preparation and application of preparation

The invention discloses sterilization composition, a preparation and an application of the preparation. The sterilization composition consists of cyazofamid, chlorothalonil and a synergist, wherein the mass ratio of the cyazofamid to the chlorothalonil is in a range of 1:(1-12.5), and the ratio of the mass of the synergist to the sum of the mass of the cyazofamid and the mass of the chlorothalonil is in a range of (1-3):10. The mass percentage of the sterilization composition in the preparation is in a range of 10%-60%, and the preparation also comprises substances in percentage by mass as follows: 1%-3% of a wetting agent, 1%-5% of a dispersing agent, agriculturally acceptable antifoaming agents and the like and the balance of water. A preparation method of the preparation comprises steps as follows: all the components are evenly mixed and dispersed and ground by a sand mill to obtain a base material with the particle size smaller than or equal to 1 mu m, and a thickener solution is added ...

Single focal plane high-precision testing method for optical wavefront of optical imaging system

The invention discloses a single focal plane high-precision testing method for optical wavefront of an optical imaging system, relates to the technical field of optical testing, solves the problems that exit pupil amplitudes are not distributed uniformly and calculation errors are introduced by fast Fourier transform in the conventional phase retrieval algorithm, and provides the scheme for eliminating the influence of vibration in the process of image acquisition on detection accuracy. The method comprises the following steps of: establishing a detection platform of the optical imaging system; detecting the position of the focal plane of a lens to be detected by using a detection device in the detection platform and acquiring an out-of-focus stellar image of the lens to be detected by the detection device; selecting effective data according to the acquired out-of-focus stellar image and calculating a pupil function of an optical system; and extracting the phase of the acquired pupil function ...

Digital correlation dual-sampling circuit of CCD picture sensor

The invention provides a digital correlation dual-sampling circuit of a CCD picture sensor, which comprises a presetting and biasing circuit, a high-speed analog-to-digital conversion circuit, a digital subtractor circuit and a sequence generator circuit. Firstly, the level of video signals output by CCD is adjusted to be within the input range of the high-speed analog-to-digital conversion circuit by the presetting and biasing circuit; input signals are sampled and processed by analog-to-digital conversion by the high-speed analog-to-digital conversion circuit, the sampling points are controlled by a sequence generator module, and the reference level and the pixel level of the CCD video signals are respectively sampled; and a digital subtractor is used for carrying out subtraction between the analog-to-digital conversion value of the reference level and the analog-to-digital conversion value of the pixel level to obtain a difference value which is the final digital picture output. The ...

Implementation method of high-accuracy three-spectrum colorful star sensor

The invention discloses an implementation method of a high-accuracy three-spectrum colorful star sensor, relates to a star sensor technology and aims at solving the problems in the prior art that when a single-chip CMOS is used for receiving an image of a colorful star map, the image mass center accuracy is influenced, with a conventional star sensor lens, a great color difference is generated and matching accuracy is influenced, etc. Through the implementation method of the high-accuracy three-spectrum colorful star sensor, a star map is obtained by a high-resolution and high-sensitivity CMOS detector; based on the fact that multiple stars are needed for star matching performed with a star angular distance in the prior art, spectral characteristics of fixed stars are used for identifying the colorful star map so as to reduce the number of stars observed in the field of view; aiming at solving the problem of low mass center accuracy of a three-color star map obtained by a single colorful ...

System for realizing peculiar driving signal of electron-multiplying charge coupled device (EMCCD)

The invention discloses a system for realizing a peculiar driving signal of an electron-multiplying charge coupled device (EMCCD), which belongs to the technical field of CCD driving. The system comprises a controller, a first voltage transformer, a second voltage transformer, an integrated driver, a blocking circuit, a DC level clamping circuit, an adjustable inductor, an adjustable resistor and a matching capacitor. The system mainly solves the problems of high power consumption and implementation difficulties of a conventional driving method, generates high-speed high-voltage driving signals by an RLC series resonance circuit, changes the amplitude and DC level values of output signals by digital control signals respectively, can realize digital control over the output signals, and greatly reduces the circuit power consumption and dependence on high-speed high-power devices.

Locating device for staggered and spliced CCD

The invention provides a locating device for a staggered and spliced CCD. The locating device for the staggered and spliced CCD solves the problem that in the prior art, assembly, adjustment and rapid locating are inconvenient to carry out, heat displacement of a precise locating part is caused by direct contact of a heat pipe. The CCD detector is located through meridian locating protrusions and sagittal locating protrusions on a locating block, a locating pressing plate and the locating block are connected to clamp the CCD detector, and the other face of the locating block is connected with a focal plane base plate through a grinding pad. According to the locating device for the staggered and spliced CCD, the CCD detector is clamped by the locating pressing plate and the locating block clamp, the combination degree between the CCD detector and the locating block is changed by grinding the protrusions on the contact face between the locating pressing plate and the locating block, the overall ...

High-frame frequency CCD camera system

The invention provides a high-frame frequency CCD camera system, and relates to the CCD camera system technical field. The camera system comprises a lens, a CCD image sensor, a preamplifier, a video signal processor, a horizontal timing sequence signal generator, a horizontal drive circuit, a vertical drive circuit, an electronic shutter drive circuit, a controller 1, a controller 2, an external memory unit, a Camera Link output unit, a PC, a PCIe acquisition card and display equipment. The high-frame frequency CCD camera system is an integrated system which combines a high-speed CCD drive technology, video processing with data integration; and the system can provide high-speed digital image and can be widely applied to research fields such as moving target capture, transient process record and the like, and has wide application prospect in real-time image motion compensation of large-array low-frame frequency CCD.

Low incisura inclined screw hole acetabulum back wall bone fracture plate

The invention belongs to the medical equipment technical field, in particular to a low incisura inclined screw hole acetabulum back wall bone fracture plate. The fracture bone plate is composed of a plate body and a screw hole; steel plate body is like a 'hat', the middle part arc part is in certain radian and is consistent with the anatomy shape of acetabulum, alar parts at the two side slightly raise to adapt the anatomy shape of acetabulum at nodule extension position with upper ilium and lower ischium; the plate body thickness of the steel plate of the invention is not uniform, the thinner side is at the connection position with acetabulum back wall margin, the thicker side is at the contact position with acetabulum back column, the middle transits gradually, and the overall design is consistent with sclerotin thickness variation of acetabulum. The invention can be used in operation only by adjusting according to fracture situation and has good fit perfectly with local sclerotin, no ...

Liquid pressure tapping structure in swinging environment

The invention discloses a liquid pressure tapping structure in a swinging environment. The liquid pressure tapping structure comprises a pressure tapping pipe and a protection device, a pressure tapping opening of the pressure tapping pipe is located in the liquid container, and the protection device is arranged on the periphery of the pressure tapping opening of the pressure tapping pipe and used for blocking impact force generated by shaking of liquid in the liquid container on the pressure tapping opening. Compared with the prior art, the liquid pressure tapping structure in the swing environment can reduce the measurement influence of additional inertia force generated by liquid sloshing on the side wall of the liquid container on differential pressure type liquid level meters, pressure meters and other pressure type measurement instruments in the ship body inclination, swing and swaying processes in the marine environment, and then the liquid level or pressure measurement precision ...

Insecticide composition and preparation and application of insecticide composition

The invention discloses an insecticide composition water dispersible granule and application of the insecticide composition water dispersible granule to prevention and control of pests of crops. The water dispersible granule has effective ingredients comprising flonicamid and acetamiprid, wherein the mass ratio of the flonicamid to the acetamiprid is (2:17) to (17:2), the mass percentage of the flonicamid and the acetamiprid in the water dispersible granule is 10-50 percent, and the water dispersible granule further comprises the following substances in percentage by mass: 1-10 percent of a wetting agent, 1-10 percent of a dispersing agent, 5-10 percent of a stabilizer and the balance being inert substances as a filler. A preparation method of the insecticide composition comprises the following steps: mixing all the raw materials preparing the water dispersible granule; and pulverizing by an ultramicro air flow, uniformly mixing, kneading with water, granulating, drying, and screening to ...