Construction method for height-connecting sinking of open caisson by regulating and controlling water level in cabin in low-permeability soil layer

The invention discloses a construction method for in-cabin water level regulation and control open caisson heightening sinking in a low-permeability soil layer. The method comprises the steps that firstly, early-stage sinking of the large open caisson in the land area is drainage sinking, in the early-stage drainage sinking, a water pumping test is conducted through an arranged dewatering well, the permeability coefficient is determined in combination with geological exploration data, and the water level elevation which can be maintained when the water level is increased or decreased in an open caisson hole is preliminarily calculated and analyzed; the construction method of single-stage large-height heightening is achieved by controlling buoyancy in the non-drainage heightening sinking stage of the ultra-large open caisson. The single-stage heightening height of the open caisson can be increased, and the problem that the open caisson state is not easy to control under the large heightening ...

Method for multi-load photoelectric tracking equipment self-adjusting two light axes to be parallel

A method for realizing automatic self-adjustment of the parallelism of the two optical axes of a multiload photoelectric tracing device belongs to the technology field of photoelectric tracing measurement and relates to a method for adjusting the parallelism of the two optical axes. The technical problem to be solved is to provide a method for realizing automatic self-adjustment of the parallelism of the two optical axes of the multiload photoelectric tracing device. The technical proposal is that the self-subsystem of a device to be adjusted is started; a visible light camera and a noctovisor are respectively connected with a tracing device frame by a transmission gear; the target centers of a drone are traced by a television tracer; the undershooting amount is taken as the position feedback amount of the transmission gear; a potentiometer is taken a position sensor; the transmission gear automatically adjusts the orientation and pitching direction of the cameras until the two target centers ...

Target detection and identification method based on optical remote sensing

The invention provides a target detection and identification method based on optical remote sensing, and the method comprises the steps: S1, extracting covariance features according to the target brightness and edge gradient of an optical remote sensing image, obtaining a measurement saliency score through the saliency measurement of a context region, designing a region sparse energy efficiency coefficient function to obtain a sparse saliency score, and obtaining a sparse energy efficiency coefficient function; obtaining a required saliency map and extracting a candidate region; and S2, establishing a channel feature set for learning classification, performing target identification and false alarm elimination on the candidate region through feature learning classification, calculating the main direction of the identified real target, and designing a rotating frame representation method to mark the real target. According to the method, few and high-quality candidate areas can be rapidly ...

Imaging method for aerial camera, and system thereof

The invention discloses an imaging method for an aerial camera, and a system thereof. The imaging method comprises the steps of performing distortion correction on the image which is photographed by the aerial camera for obtaining a sequence image after correction; determining splicing sequence on a corrected sequence image according to the photographing sequence or the photographing time of the image, utilizing a homography matrix between adjacent images for obtaining a synthetic image; detecting the pixel coordinate of a stationary object and/or moving object from an image which is photographed by the aerial camera, and performing distortion correction for obtaining a plurality of target pixel coordinates; performing data fusion on each target pixel coordinate, positioning data which are output from a GPS positioning system, and aircraft attitude data which are output of a flight attitude measuring system, thereby obtaining the geographical coordinate of each target; and superposing the ...

Mango tree florescence postponing method

The invention provides a mango tree florescence postponing method. The method includes the following steps that (1) neelum trees with the tree-age ranging from 12 years to 14 years and with the basically same growth vigor and tree body nutrition are selected; (2) the local precise florescence time of mango trees is determined; (3) a urea solution with the volume concentration ranging from 4.8% to 5.3% is prepared; (4) the urea solution with the volume concentration ranging from 4.8% to 5.3% is used for spraying mango tree crowns 7 days to10 days before mango flower buds are expanded till water drops down from leaf apexes. By means of the method, the mango tree florescence time is postponed by 15 days to 23 days, the peak of risks caused by late spring coldness can be avoided effectively, pollination fertilization is facilitated, the fruit-setting ratio is increased, and the yield is increased; the powdery mildew generation rate is reduced, the pesticide consumption is reduced accordingly ...

Airborne super-resolution image reconstruction device and reconstruction method

The invention relates to the technical field of aviation image acquisition, and discloses an airborne super-resolution image reconstruction device and reconstruction method. The airborne super-resolution image reconstruction device comprises a sensor input module and an image processing and outputting module, wherein the sensor input module comprises an imaging lens group, a ray beam splitter and rotating control structure, a first image sensor, a second image sensor, an analog-digital converter and a synchronizing signal generator; and the image processing and outputting module comprises an embedded image processing and controlling core circuit, a storage unit, a wireless transmission circuit of videos or super-resolution pictures, a wireless link and a ground station receiving and displaying equipment. The invention solves problems of big calculated amount and poor imaging quality of a traditional super-resolution method based on multiple images, and a feasible method is provided for ...

IC chip

The invention relates to an integrated circuit chip, which comprises a switch LDMOS element and an analog LDMOS element respectively positioned on a substrate provided with a first conductive type. The switch LDMOS element and the analog LDMOS element have same components and respectively comprise: two grid conducting layers which are positioned on two first active areas of the substrate respectively; a common drain electrode contact area provided with a second conductive type, which is positioned in a second active area, wherein the second active area is positioned between the two first active areas; and an isolation structure, which isolates the second active area from the first active areas. The length of the isolation structure between each first active area and the second active areaalong the length direction of a channel below each grid conducting layer is A, the length of each grid conducting layer positioned on each first active area along the length direction of the channel is ...

Take-up reel for remote signaling maintenance

The take-up reel comprises a wire outlet device and a shell, a wire protection layer is arranged in the shell, a spring cavity is formed in the shell, a ratchet wheel is arranged at one end of the spring cavity, and a wire arrangement cavity is formed in one end of the ratchet wheel; the risk-avoiding cutoff device comprises a circular rail metal plate, the circular rail metal plate is fixedly connected with the outer wall and is in sliding connection with a reinforcing elastic piece, the outer wall is fixedly connected with a base plate, and a long sliding rail and a short sliding rail are arranged on the base plate. The device is easy to operate and low in operation and maintenance cost, a small risk avoiding device is designed on the take-up reel, a line can be disconnected in advance when short circuit occurs, damage to workers or equipment caused by high current is avoided, and scheduling misjudgment caused by tripping after remote signaling is affected is also avoided.

Simulation training system for photoelectric pod of unmanned aerial vehicle

The invention relates to the technical field of unmanned aerial vehicle simulation training, in particular to an unmanned aerial vehicle photoelectric pod simulation training system which can be specifically used for simulation training of an unmanned aerial vehicle photoelectric pod needing simulation of link delay and aircraft attitude. The photoelectric pod simulation training system for the unmanned aerial vehicle is provided with a photoelectric pod, a video downloading delay system, a control signal uploading delay system, an aerial photography data storage system, a pitching rolling system, a vibration system, an aerial photography live-action variable-speed translation projection system and a pod display and control system, so that the defects in the prior art can be overcome; the problems that a traditional training device cannot simulate the radio link delay of a real unmanned aerial vehicle, cannot simulate the real vibration of the unmanned aerial vehicle, cannot simulate the ...

Production method of air-dried beef in combined Chinese and Western mode and product thereof

The invention relates to the field of food machining, and in particular relates to a production method of air-dried beef in a combined Chinese and Western mode and a product of the air-dried beef. The production method comprises the following steps: removing cartilage, fascia, impurities and redundant fat on a large yellow beef bar, cutting the beef into slices of 2cm thick, cutting the slices into strips of 1.5cm thick, pickling, kneading, drying in air, boiling, frying, sterilizing and storing in warehouses. According to the production method, the beef is heated and dried in a self-made drying room, the air-drying quality is controlled according to yield and shear force values as indexes, the stability of aged quality is achieved through boiling, the fuel consumption is reduced, and water is rapidly retained through high-temperature oil frying so as to ultimately achieve the expected yield and the shear force value, so that the stability of the quality of the air-dried beef is achieved ...

Jute nanocellulose capable of regulating intestinal flora as well as preparation method and application of jute nanocellulose

The invention discloses jute nanocellulose capable of adjusting intestinal flora and a preparation method and application thereof, fresh jute leaves with an anti-inflammatory effect are used as raw materials, and the jute nanocellulose with a relatively single component is obtained through petroleum ether degreasing, 85% ethanol impurity sugar removal, multi-enzymolysis, enzyme deactivation, drying, acid-base impurity removal and ultrasonication in sequence. Compared with other methods, the method has the advantages that the technological operation is simple, the principle is feasible, the process is green and environment-friendly, the final production of the nano cellulose can be finished only by short-time ultrasonication treatment, and the energy consumption of equipment is greatly reduced. The jute nano-cellulose prepared by the invention can also be used for regulating intestinal microorganisms, and particularly can be used for remarkably increasing the abundance of intestinal core ...

Preparation method of (R)-3-aminopiperidine dihydrochloride

The invention discloses a preparation method of (R)-3-aminopiperidine dihydrochloride, and belongs to the field of medical intermediates. N-Boc-3-piperidone is used as a raw material, in the presence of a dehydrating agent, N-Boc-3-piperidone and (S)-alpha-methylbenzylamine are subjected to condensation, after reduction is conducted through a reducing agent, epimerization is conducted in fumaric acid, resolution and debenzylation salification are conducted through D-di-p-methyl benzoyl tartaric acid, and the target product (R)-3-aminopiperidine dihydrochloride is obtained. The preparation method has the advantages of easily available raw materials, yield far higher than that of traditional chemical resolution, simple operation and high chiral purity, and is suitable for process production.

Method for reducing false alarm rate of network defense equipment by mutual verification of alarm information of different network security equipment

The invention relates to the technical field of alarm information of network security equipment, in particular to a method for reducing the false alarm rate of network defense equipment by utilizing mutual verification of alarm information of different network security equipment, which comprises the following steps of: using network security detection and defense equipment of different manufacturers and different brands in a network link; the defense equipment is set, so that the defense equipment does not block all alarm traffic, and it is ensured that all the equipment can detect the same traffic information; labeling equipment capable of detecting the same type of alarms; collecting alarm information of all devices; and S5, when a certain device finds a certain type of alarm, checking whether other safety devices capable of detecting the type of alarm give an alarm or not, counting the number of devices capable of generating the type of alarm and the number of devices actually generating ...

Device for treating and recovering protein wastewater

The invention discloses a device for treating and recovering protein wastewater. A water inlet of a medicating stirring device is connected with wastewater containing protein, and a protein recovery device is divided into an air flotation area, a coagulating sedimentation area provided with a central sedimentation area, an annular sedimentation area and an outer ring water outlet area and a protein recovery area, wherein the bottom of the air flotation area is provided with an annular aerating device, while the upper edge is provided with a protein collection tank; the central sedimentation area is provided with an annular water inlet pipe with a plurality of water pores, and the annular water inlet pipe is connected with a water outlet of the medicating stirring device; the outer ring water outlet area is evenly distributed with a plurality of water outlet pipes on the wall of the upper end of the annular water inlet pipe; and the protein recovery area is a tapered hopper, the tapered ...

Oil field temporary plugging diverting agent feeding equipment and operation method

The oil field temporary plugging diverting agent feeding equipment comprises a rack, a discharging hopper, a material groove, a moving plate, a bag blowing frame, a rotating rod, a connecting rod and a clutch device, a middle groove is formed in the middle of the rack, two symmetrical transverse guide rods are arranged on the two sides of the middle groove, four symmetrical vertical guide rods are arranged on the inner sides of the front portions of the two transverse guide rods, and a square hole is formed in the middle of the front side of the rack. Four symmetrical guide sleeves are arranged on the lower portion of the discharging hopper, a waist groove is formed between the two guide sleeves on the front side, a plurality of leakage grooves are evenly distributed in the middle of the material groove, a blocking plate is arranged on the rear side of the material groove, and a stand column is arranged on the lower portion of the blocking plate; the left side and the right side of the ...

Preparation method of 4-(N-methylaminocarbonyl) phenylboronic acid

The invention relates to a synthesis method of an N-methylaminocarbonyl phenylboronic acid compound. A preparation method of 4-(N-methylaminocarbonyl) phenylboronic acid is characterized in that the 4-(N-methylaminocarbonyl) phenylboronic acid is prepared by using a monomethylamine aqueous solution and 4-ethoxycarbonylphenylboronic acid/4-(methoxycarbonyl)phenylboronic acid as raw materials through one-step ammoniation. The synthesis method is mild in synthesis and amplification reaction conditions, simple and convenient to operate, convenient for purification, high in yield, low in cost and suitable for the industrial production of the N-methylaminocarbonyl phenylboronic acid compound.

Derivatives of pyrrolo[2,1-b]quinazoline natural products, preparation method and application thereof

The invention belongs to the technical field of medicaments, and relates to novel substituted derivatives of pyrrolo[2,1-b]quinazoline natural products, optical active bodies or racemic bodies and diastereoisomer mixtures thereof, a method for preparing compounds and application of the compounds in treating ischemic brain lesions, wherein the derivatives are shown in a general formula (I) and a general formula (II) and have anti-cerebral ischemia active effect,. The invention also relates to pharmaceutically acceptable salts of the compounds, medicinal compositions which take the compounds as active components, and pharmaceutical excipients and/or diluents of the compounds. Definitions of R1, R2, R3, R4, R5, R6 and X in the general formula (I) and the general formula (II) are shown in a discription.

Device for treating and recovering protein wastewater

The invention discloses a device for treating and recovering protein wastewater. A water inlet of a medicating stirring device is connected with wastewater containing protein, and a protein recovery device is divided into an air flotation area, a coagulating sedimentation area provided with a central sedimentation area, an annular sedimentation area and an outer ring water outlet area and a protein recovery area, wherein the bottom of the air flotation area is provided with an annular aerating device, while the upper edge is provided with a protein collection tank; the central sedimentation area is provided with an annular water inlet pipe with a plurality of water pores, and the annular water inlet pipe is connected with a water outlet of the medicating stirring device; the outer ring water outlet area is evenly distributed with a plurality of water outlet pipes on the wall of the upper end of the annular water inlet pipe; and the protein recovery area is a tapered hopper, the tapered ...

Liquid sulfur trioxide and method for producing high concentration fuming sulfuric acid

The invention relates to a method for producing liquid sulfur trioxide and high-concentration oleum, which belongs to the technical field of inorganic chemical industry. The method is to preheat a 25 to 30 percent oleum directly through a preheater, heat the oleum in a heater, evaporate the loeum in an evaporator so as to improve the evaporation efficiency; the evaporator is heated by converter gas of a sulphuric acid system, thereby saving the vapor used by the SO3, and reducing the production cost; and the heating side of the evaporator does not generate condensate liquid, but has even temperature difference, thereby prolonging the service life of the evaporator. Besides, the 65 percent high-concentration oleum is directly prepared from the 25 to 30 percent oleum and the liquid sulfur trioxide, does not need treating tail gas, and greatly simplifies the production process. The method solves the problems that the prior production method is to heat by vapor, so the production cost is high ...

Emergency rescue vehicle for oil gas transmission pipeline

The invention relates to a vehicle, in particular to an emergency rescue vehicle for an oil gas transmission pipeline. The carriage of the emergency rescue vehicle for an oil gas transmission pipelineis divided into a front bin and a rear bin, wherein each bin is provided with at least one independent door; the front part of the front bin is provided with a benchwork operating platform; one sidebelow the benchwork operating platform is provided with a refrigerator, and the other side is provided with a welding rod oven; the front part of the front bin is also provided with a power distribution cabinet; one side at the rear part of the front bin is provided with a multifunctional machine tool for lathing, drilling and milling, and the other side is provided with a nitrogen cylinder and anacetylene cylinder; the front part of the rear bin is provided with a power generation unit; both sides of the middle rear part of the rear bin are respectively provided with an upper layer, a middlelayer ...

Sampling device for hyaluronic acid shampoo processing

The invention belongs to the technical field of shampoo sampling, and particularly relates to a hyaluronic acid shampoo processing sampling device which comprises a processing kettle and a mounting column, the mounting column is fixedly mounted in a preformed hole in one end of the top of the processing kettle, and one end of the bottom of the mounting column extends into the processing kettle and is uniformly and fixedly connected with a plurality of connecting rods; one end of the bottom of each connecting rod is fixedly connected with a sampling box, one end of the top of the mounting column extends to the outside of the processing kettle and is fixedly connected with a U-shaped frame, and the U-shaped frame and the mounting column are integrally designed. By arranging the sampling mechanism, automatic sampling of shampoo and automatic replacement of a sampling test tube can be completed in the hyaluronic acid shampoo processing process, the convenience of multiple times of sampling ...

Combined blanket and pillow

IC chip

The invention relates to an integrated circuit chip, which comprises a switch LDMOS element and an analog LDMOS element respectively positioned on a substrate provided with a first conductive type. The switch LDMOS element and the analog LDMOS element have same components and respectively comprise: two grid conducting layers which are positioned on two first active areas of the substrate respectively; a common drain electrode contact area provided with a second conductive type, which is positioned in a second active area, wherein the second active area is positioned between the two first active areas; and an isolation structure, which isolates the second active area from the first active areas. The length of the isolation structure between each first active area and the second active area along the length direction of a channel below each grid conducting layer is A, the length of each grid conducting layer positioned on each first active area along the length direction of the channel is ...

Oil field carbon dioxide injection pry assembling equipment and operation method

The oil field carbon dioxide injection pry assembling equipment comprises a height adjusting device, a pipeline system, a pipe connecting device and a torque limiting device, the pipe connecting device is slidably connected with a connector of the height adjusting device through a first frame, the pipe connecting device, fixing pipes on the two sides and a pipe to be connected are fixed together, and the torque limiting device is rotationally connected with the left sides of the fixing pipes; a vertical sliding seat is arranged in the middle of the rear side of the base, a first lead screw hole is formed in the upper portion of the vertical sliding seat, a first motor plate is arranged on the upper portion of the first lead screw hole, a lifting rod bearing seat is arranged on the upper portion of the front side of the lifting rod, a lifting rod hole is formed in the front side of the lifting rod, a lifting rod sliding block is arranged on the rear side of the lifting rod, and a lifting ...

Automatic detection system and detection method based on airborne data recorder of unmanned aerial vehicle

The invention relates to the technical field of unmanned aerial vehicle airborne data automatic detection, in particular to an automatic detection system and method based on an unmanned aerial vehicle airborne data recorder. The automatic detection system comprises an airborne data recorder, and a standard video signal source system, a high-compression-rate code stream automatic detection system and a low-compression-rate code stream automatic detection system which are respectively connected with the airborne data recorder, wherein the airborne data recorder is used for respectively sending related data of a standard video provided by the standard video signal source system to the high-compression-rate code stream automatic detection system and the low-compression-rate code stream automatic detection system; the high-compression-rate code stream automatic detection system and the low-compression-rate code stream automatic detection system are used for detecting whether the compression-rate ...

Moving target detection method based on aerial image sequence

The invention relates to the technical field of image processing, and particularly provides a moving target detection method based on an aerial image sequence, comprising the following steps: S1, inputting an aerial remote sensing image sequence; s2, preparing a to-be-trained image data set, cutting an image to obtain the to-be-trained image data set, clustering the to-be-trained image data set into nine fixed anchor frames according to a marked detection frame of a moving target in the to-be-trained image data set, substituting the nine fixed anchor frames into an algorithm, and training to obtain model parameters; and S3, inputting the kth frame of image into the target detection network, inputting the kth frame of image and the (k-n) th frame of image into the motion detection network, and performing information fusion on the feature maps obtained in the target detection network and the motion detection network to obtain final network output. According to the invention, two adjacent ...

Non-guiding energy-absorbing anti-collision pad

The invention discloses a non-guiding energy-absorbing anti-collision pad which comprises an elastic energy-absorbing assembly and a fixing device, a cavity is formed in the elastic energy-absorbing assembly, a compression energy-absorbing body is arranged in the cavity, when the elastic energy-absorbing assembly is collided, the elastic energy-absorbing assembly is stressed to generate elastic deformation, and the compression energy-absorbing body is compressed to absorb energy; the fixing device is provided with a guiding part and a limiting part, and the elastic energy absorption assembly is connected with the guiding part in a sliding mode and limited by the limiting part. The cavity is formed in the elastic energy absorption assembly, the compression energy absorption body is arranged in the cavity, when the elastic energy absorption assembly is collided, the elastic energy absorption assembly is stressed to generate elastic deformation, the compression energy absorption body is compressed ...

Equipment for monitoring oil and gas output through chemical tracer and operation method

The invention relates to chemical tracer agent monitoring oil gas output equipment and an operation method, the chemical tracer agent monitoring oil gas output equipment comprises a power device, a conversion device and a charging device, the power device comprises a base and a stop plate, the conversion device comprises a conversion seat, a track disc, a guide rod and a diamond block, and the charging device comprises a charging tray, a fixed block, a sliding block, a cover, a charging barrel and a spring plate. A center hole is formed in the middle of the base, two symmetrical bearing seats are arranged on the side face of the center hole, a side plate is arranged on the side face of the bearing seat on one side, and a side plate shaft is arranged in the middle of the inner side of the side plate. A first spring plate is arranged on the lower portion of the outer side of the side plate shaft, a stop plate hole is formed in the middle of a stop plate, a stop arc is arranged on one side ...

Real teaching system of numerically controlled fraise machine multi -media reason

The utility model discloses a real teaching system of numerically controlled fraise machine multi -media reason relates to the teaching system field, and the main objective provides a teaching intuition, effectual, efficient real teaching system of numerically controlled fraise machine multi -media reason. The utility model discloses a main technical scheme does: a real teaching system of numerically controlled fraise machine multi -media reason, includes interconnect's projection display system, pronunciation broadcast system, control system, action executing system, on -the -spot feedback system. The utility model discloses the mainly used teaching.

Shampoo composition and preparation method thereof

The invention discloses a shampoo composition and a preparation method thereof, and the shampoo composition is prepared from the following raw materials in percentage by mass: 2-20% of a surfactant, 2-18% of an auxiliary surfactant, 1-5% of a conditioner, 0.1-1% of a preservative, 0.1-0.5% of a conditioning agent, 1-6% of other additives and the balance of water, the surfactant, the auxiliary surfactant and the pH regulator are compounded, so that the foam can be effectively increased, the irritation caused by the surfactant in the components can be reduced, a very good cleaning effect can also be achieved, excellent touch feeling and comfort are brought to a user in the experience process, and meanwhile, in the preparation process, the foam can be effectively reduced, and the foam can be effectively removed. The detection device is used for detecting the acid-base property of the shampoo composition in real time, and the PH regulator particles put in the shampoo composition are neutralized ...

Flame-retardant plant fiber construction heat-insulation wall material and preparation method thereof

The invention discloses a method for preparing a flame-retardant plant fiber construction heat-insulation wall material. Bamboo, wood and crop straw are taken as raw materials, and the method comprises the following steps of: performing softening treatment, fiber separation, pulp concentration, fiber fibrillation, enhancement treatment, waterproof treatment and flame retardant treatment, injecting a foaming agent and foaming solution through a method for mechanically stirring to introduce air into liquid for foaming; and injecting the foamed solution into a container, dehydrating, drying and setting, sawing into plates, and performing surface coating treatment, drying and other technology so as to prepare the wall material. The method makes branch resources of wood, bosky minor-diameter bamboo, bamboo processing leftover materials and the crop straw become high-additional value high-efficiency construction heat-insulation materials.

Method for removing photoresistance layer in ion implantation mfg. process

A process for removing the photoresistance layer in ion implantation process includes providing a semiconductor substrate, generating photoresistance layer, limiting an ion implantation region, ion implanting while generating a hard shielding layer due to ion bombardment, removing the shielding layer by fluorine plasma, ashing by oxygen plasma at temp higher than 250 deg.C, washing in sulfuric tank and RCA cleaning.

Digital image correction method for continuous variable-focal-length optical imaging system

The invention discloses a digital image correction method for a continuous variable-focal-length optical imaging system. The digital image correction method comprises the steps of acquiring planar template images which are photographed by an image camera in a plurality of discrete focal lengths, performing off-line calibration on a distortion parameter which corresponds with each focal length of a variable-focal-length lens; performing curve fitting on the distortion parameter which corresponds with each focal length for obtaining a fitting formula or establishing a distortion parameter lookup table; according to the actual operation focal length of the image camera, obtaining a lens distortion parameter which corresponds with the actual operation focal length through the distortion parameter lookup table or calculation by the fitting formula; and constructing a projection conversion relationship from an image camera coordinate system to a map coordinate system according to position gesture ...

High-voltage component structure