Test water culture vessel

The utility model relates to a water culture vessel for a test. The water culture vessel is characterized by comprising a main vessel, a germination vessel and a top cover, wherein the germination vessel is movably sleeved at the inner top of the main vessel; the top cover covers the germination vessel; vent holes are formed in the bottom wall of the germination vessel. The water culture vessel disclosed by the utility model integrates plant germination and water culture, so that the consistency of the plant growth environment is ensured, and the accuracy of a test result is improved.

Coordinate conversion method and device for video GIS (Geographic Information System)

The invention relates to a coordinate conversion method for a video GIS (Geographic Information System). The coordinate conversion method comprises the following steps: acquiring geographic space coordinates of a target point and three-dimensional space coordinates of a camera; converting the geographic space coordinates into image space coordinates by using a Boolean parameter conversion model; converting the image space coordinates into theoretical imaging plane coordinates by using a sphere center oblique axis projection azimuth calculation model; and converting the theoretical imaging plane coordinates into screen imaging plane coordinates according to model ratio parameters. The invention further provides another coordinate conversion method for the video GIS, and the coordinate conversion method is a reverse process of the coordinate conversion method. Through the technical scheme of the invention, the video data and the geographic information can be efficiently and bidirectionally ...

Lifting equipment for municipal culvert pipe laying

The invention relates to the technical field of building construction, in particular to hoisting equipment for municipal culvert pipe laying, the hoisting equipment for municipal culvert pipe laying comprises a hoisting body and a positioning supporting mechanism, and the hoisting body comprises a hoisting section; the number of the positioning and supporting mechanisms is two, each positioning and supporting mechanism comprises a sliding seat, the two sliding seats are arranged at the bottom of the hoisting section in a spaced mode, and each sliding seat is provided with two positioning and supporting rods. The two positioning supporting rods are arranged on the two sides of the sliding base, located on the two sides of the hoisting section and extend in the direction away from the hoisting section. When the culvert pipe is hoisted, the hoisting section is inserted into the culvert pipe and drives the whole hoisting body to move upwards in the vertical direction, the axis of the hoisting ...

Method for filtering out radon

RFID data encryption and decryption system based on soft shield mode

The invention discloses an RFID data encryption and decryption system based on a soft shield mode, which belongs to the field of RFID data secure transmission, and specifically comprises a reader, a soft shield module, an Internet of Things gateway, a trusted platform and a service system, according to the method, RFID data encryption and decryption are based on a soft shield mode, a soft shield program is programmed into the reader after being developed, encryption hardware does not need to be added to reader equipment, and convenience and rapidness are achieved only through a software mode; a soft shield MCU (Microprogrammed Control Unit) is additionally arranged on the hardware composition of the reader, so that data encryption is ensured to operate independently, the original radio frequency MCU space and performance are not occupied, and data security protection under the condition that the recognition distance and the recognition rate of the reader are not reduced is realized; a network ...

Reasonable and efficient planting method for wheat stubble sesame

The invention discloses a reasonable and efficient planting method for wheat stubble sesame. The planting method guarantees the full stand of rush planting of sesame after wheat harvesting when the soil is damp, is simple and efficient, saves labor and time, is beneficial for later-period sesame growth and development, yield formation and field management and solves the problems that the conflict between rush harvesting and rush planting exists all the time and because high wheat stubble is left in land after wheat harvesting, next-stubble crops can not be cultivated easily. According to the concrete scheme, the wheat stubble is kept at the original position after wheat harvesting, damage to the granular structure of the land and loss of the soil moisture content due to high-intensity mechanized cultivation are reduced, wheat straw is cleared out, and grain husks are left in the land; a rotary cultivator carries out rotary cultivation and soil aeration between wheat stubble lines; base ...

Microbial strain and microbial agent suitable for degrading petroleum and application of microbial strain and microbial agent

The invention relates to a microbial strain suitable for degrading petroleum, the microbial strain is Rhodococcus sp. C83, and the preservation number of the microbial strain is CCTCC (China Center for Type Culture Collection) No.M2023510. According to the invention, soil near an oil field in an arid region in southern Xinjiang is selected as a research object, petroleum hydrocarbon degrading bacteria are cultured, and are separated, purified and identified, and bacterial strains with degrading capability are finally screened out, so that a reference is provided for solving the problem of environmental pollution caused by petroleum hydrocarbon substances through a microbial technology; a basic material is provided for microbial remediation of petroleum-contaminated soil, and support is provided for construction of indigenous microorganism petroleum hydrocarbon degrading flora.

Gamma-ray time detection device and manufacturing method of detector thereof

The invention discloses a gamma-ray time detection device and a manufacturing method of a detector thereof. The device comprises the detector, a timing discriminator circuit, an amplifying forming circuit, a single channel pulse analyzer, a delay circuit, a time-amplitude conversion circuit, a coincident circuit and a multichannel analyzer. According to the gamma-ray time detection device and the manufacturing method of the detector thereof, a BaF2 crystal, POPOP and silicone rubber are adopted as materials for manufacturing a composite scintillation through adopting a special process, and processing to a honeycomb briquette shape to form the detector, so that fluorescent light with wave length being 220nm emitted by the BaF2 crystal can be converted to visible light with wave length being around 420nm, and a photoelectric multiplier of a quartz window is not needed anymore, so that the application range is greatly expanded; with the structural design of the honeycomb briquette shape, the ...

Novel beans stores device

The utility model relates to a novel beans stores device, including sealed lid, sealed cover the downside and be equipped with the box, be equipped with a plurality of baffles in the box, baffle downside both ends are equipped with the locating piece, the bottom is equipped with the insect repellent in the box, the side surface is equipped with handle and door under the box, be equipped with the pull ring on the door, cabinet bottom surface is equipped with the gyro wheel, the utility model discloses a setting up the baffle, more convenient take out and deposit bean or pea, handle and gyro wheel are more convenient to be promoted the box through setting up, and through setting up the door, made things convenient for and carried out the deinsectization to placing aluminum phosphate in the box, and simple structure, reasonable in design, convenient operation, safe and reliable.

Method for absorbing and storing radon

The invention discloses a method for absorbing and storing radon. The method comprises the following steps of: 100, adsorbing radon in air with adsorbing active carbon by using an active carbon adsorption method till saturation, heating the adsorbing active carbon, keeping the temperature of the active carbon at 160+/-10 DEG and the pressure between -0.3 Pa and -0.5 Pa, and desorbing the radon which is adsorbed in the adsorbing active carbon; and 200, sucking the radon which is desorbed by the adsorbing active carbon by using a vacuum pump at the flow 20-25 L/minute and pressing the radon into a stagnant carbon bed for storing. According to the method, the radon adsorbed in a limited space can be effectively desorbed and stored.

Special medicinal fertilizer for overwintering pisum sativum and production method thereof

The invention discloses a special medicinal fertilizer for overwintering pisum sativum and a production method thereof. The production method of the special medicinal fertilizer is characterized by mixing and granulating urea, calcium superphosphate, Sugumi potassium, ammonium molybdate, borax and DMPP to obtain inner cores, pelletizing for two times, and coating with a coating agent, wherein the components pelletized for the first time comprise urea, monoammonium phosphate, Sugumi potassium, compound potassium nitrophenolate, the solution of tea saponin and nicotine, matrine, DMPP and a colloidal suspension, the components pelletized for the second time comprise urea, a calcium, magnesium and phosphate fertilizer, Sugumi potassium, a chelated salt of amino acid and trace elements, borax, DMPP and a colloidal suspension, and the components of the coating agent comprise imidacloprid, Dual metolachlor, a film forming agent, pearl powder, titanium dioxide and a dye. Through one-time coating ...

Special sesame insecticide-fertilizer and production method thereof

The invention discloses a special sesame insecticide-fertilizer and a production method thereof. The special sesame insecticide-fertilizer is prepared from the following raw materials: humic acid, urea, di-ammonium phosphate, potassium chloride, zinc sulfate, borax, offal of fermented penicillin, offal of processed tobacco, offal of processed pepper, offal of processed tea leaves, xanthoxyli fructus seeds, anise seeds, black pepper seeds, radix sophorae flavescentis, coptis chinensis, chinaberry fruits and celastrus orbiculatus. The special sesame insecticide-fertilizer can not only provide nutritions for sesame, but also can kill pests, is pollution-free, safety, sanitary and residual-free, and cannot cause pollution to the environment.

Sesame selfing pollination is pressed from both sides

The utility model discloses a sesame selfing pollination is pressed from both sides, its structure includes handle and clamp, the handle includes and first handle and second handle is equipped with the spring between first handle and second handle rear portion, the inboard of leaning on at first handle is supported to spring one end, and the other end supports by the inboard at the second handle, it is fixed with the axle that the spring passes through the fixed plate, the clamp includes first clamp holder and second clamp holder, the front end of first handle is equipped with first clamp holder, the front end of second handle is equipped with the second clamp holder, the outside of first clamp holder and second clamp holder is equipped with first designation strip, second designation strip and third designation strip respectively, punishes at the front end opposite face of first clamp holder and second clamp holder and do not is equipped with a sponge. Simple structure is pressed from ...

Beta-ray position detection device and method based on scintillating fibers

The invention discloses a beta-ray position detection device based on scintillating fibers. The device comprises a collimator and a position sensitive detector, wherein the collimator is used for allowing beta rays perpendicular to the incident position sensitive detector to strike the scintillating fibers in the position sensitive detector by virtue of the incident beta-rays perpendicular to the plane direction of the position sensitive detector; and the position sensitive detector is positioned in the rear of the collimator and is used for detecting the positions of the vertical incidence beta rays passing through the collimator. The invention also discloses a position detection method. According to the device and method disclosed by the invention, the two-dimensional position information of the beta rays can be simultaneously acquired by adopting an optical fiber fabric; light loss in light collection can be reduced, so that a large-area beta-ray position sensitive detector is possible ...

Tritium gas catalytic separation device

The invention discloses a tritium gas catalytic separation device which comprises a shell, a drying separation unit, a connector, a reverse blowing outlet, a gas inlet, a catalysis unit, a gas pipe, a gas outlet and a reverse blowing inlet. The drying and separating unit is arranged in the shell, and the two ends of the drying and separating unit are fixedly arranged on the connectors. The reverse blowing outlet and the air inlet are fixedly formed in one side of the shell; the air outlet and the reverse blowing inlet are fixedly formed in the other side of the shell; the catalysis unit is arranged in the shell; the air pipe is arranged in the shell and connected with the connector, the back flushing outlet, the catalysis unit, the air outlet and the back flushing inlet. According to the tritium gas catalytic separation device, tritium gas in tritium-containing gas can be effectively removed, and tritium water generated after catalysis can be collected and then measured; the device is small ...

Decontamination device with foam generator

The invention provides a decontamination device with a foam generator, comprising a decontamination device mainframe, a medicament tank and a spray gun. The decontamination device is characterized in that the decontamination device mainframe comprises at least one air compressor, a storage battery and the foam generator, wherein the air compressor adds compression air to the medicament tank through an air-intake pipeline; and the medicament tank can be connected with the spray gun and the foam generator through an outlet pipeline, wherein the outlet pipeline is provided with at least one outlet valve which is communicated with the spray gun and the foam generator in a switching way. The invention adopts the foam generator with self-power, a unique pipeline distribution and arrangement wayand a special structure, thereby realizing the purpose of one device with multiple use, being suitable for different application environments and bringing about no adverse effect on portability.

Decontamination device with foam generator

Rose oil extraction element

The utility model provides a rose oil extraction element, includes double -deck stills, is equipped with a steam storehouse in the stills wall, is equipped with a discharge gate in stills's bottom, is equipped with first sealed lid in the outside of discharge gate, is equipped with an intake pipe that is linked together rather than the steam storehouse in one side of stills, is equipped with an outlet duct that is linked together rather than the steam storehouse at stills's opposite side, is equipped with a lid in stills's top. The above technical scheme is adopted in the utility model, adopting double -deck stills structure, pouring into the rose of vapours in to the pot into through the steam storehouse to stills and heat, the heating process moderate temperature is controlled easily, has avoided because the inappropriate influence of temperature distillation effect and distillation efficiency, and the tube coupling need not adopted together to condensing equipment and stills installation ...

Rapid crushing and separating device and method for kitchen waste

The invention discloses a rapid crushing and separating device for kitchen waste. The device comprises a treatment box and a base arranged below the treatment box, the left side of the base is fixedly connected with the left side of the treatment box through a support, a feeding hopper used for feeding is arranged at the upper end of the treatment box, and a discharging pipe is arranged at the lower end of the feeding hopper; the discharging pipe stretches into the treatment box, and a crushing assembly for crushing the kitchen waste is arranged in the treatment box. The device is designed for overcoming the defects of an existing device, the kitchen waste can be rapidly crushed, solid-liquid separation can be rapidly achieved, material raising treatment can be achieved during crushing, crushing dead corners are further eliminated, in the later discharging process, the material raising effect is also beneficial to separation of materials, and the practicability is high.

Hydraulic oil liquid heating system

The invention relates to a hydraulic oil liquid heating system and a method for carrying out heating control by employing the system, and aims at solving the problems of serious power waste generated when a large quantity of oil is heated, and the like in the prior art. A hydraulic oil liquid main loop of the heating system provided by the invention is composed of an oil tank, an oil supply line, a pressure regulating valve and an oil return line, wherein the oil supply line is connected with and provided with a pump unit, a heater and a temperature sensor in series; the oil return line is divided into two branch circuits through a proportional two-position three-way reversing valve; the first branch circuit is used for returning oil to an oil suction inlet of the pump unit; the second branch circuit is used for returning oil to the oil tank through a cooling device; an on-off electromagnetic valve is arranged on a circulating liquid cooling loop of the cooling device. The hydraulic oil ...