40results about How to "No radiation pollution" patented technology

The invention discloses a seed treatment device and a seed treatment method. The seed treatment device comprises a microwave generator 1, a converter 2 and a seed treatment cavity 4. The microwave generator 1 can generate the microwave with the frequency ranging from hundreds of megahertz to a plurality of GHz and the power ranging from hundreds of watt to scores of kilowatt; the converter 2 consists of a plurality of to scores of layers of non-ferromagnetic metal conducting meshes; the treatment cavity 4 is a closed cavity with a shell made of a ferromagnetic material, and a rotatable or movable object laying disc 3 is arranged in the cavity. The seed treatment method comprises the following steps: (1) laying the seeds to be treated on the object laying disc 3; and (2) starting the microwave generator 1 to treat the seeds on the object laying disc 3 by particulate flow radiation for once or more times. The device has the advantages of simple structure, low cost, convenient use, strong treatment capacity, no radiation pollution and no need for special protection. The germination rate, the yield of crops and anti-lodging ability can be improved after treatment of the seeds.

The invention discloses a stone-imitated finishing material of a building wall body and a construction method of the finishing material. The stone-imitated finishing material comprises the wall body; an interface layer is covered on the surface of the wall body; a layer of steel wire gauze is covered on the outer surface of the interface layer; a stone-imitated material layer is covered on the outer surface of the steel wire gauze; and a hydrophobic layer is coated on the outer surface of the stone-imitated material layer. Through the method provided by the invention, the stone-imitated finishing material has the advantages of low cost, high construction speed, easiness in maintenance, long service life and the like. The stone-imitated finishing material is compounded by renewable resources, can effectively replace natural stones so as to alleviate pollution and damage on natural resources caused by exploitation of the natural stones, also does not cause radiation pollution like the natural stones do, is lower than the natural stones in cost by more than 70%, can overcome the limitation that dry-hang flat plate stone materials can not be used for high-rise decoration, can achieve a stone material decoration effect on buildings with any height, and can greatly lower transportation costs and investment of capital construction.

The invention provides a stone-imitated composition. The composition comprises the following raw materials in parts by weight: 100 parts of white cement, 58 to 70 parts of epoxy resin, 35 to 45 parts of acetone, 20 to 26 parts of emulsion acrylic resin, 1 to 2 parts of aluminite powder, 20 to 25 parts of inorganic pigment, 10 to 30 parts of colored silica sand, 10 to 20 parts of natural granite particles, 0.5 to 1.5 parts of cobaltous sulfate, 0.3 to 0.5 part of water reducer, and 50 to 60 parts of water. The stone-imitated layer manufactured by the method has the advantages of good stone texture, light weight, high compression and tensile strengths, good weather resistance and over 70 years of service life; and a permanent waterproof film is formed on the surface of the stone-imitated composition, so that the applied part is not expanded or deformed to play effects of proofing water and freezing and preventing falling. The problems of high cost, high wall load, more labor consumption and the like in conventional stone-imitated manufacture can be improved, so that the stone-imitated composition has great economic and social benefits.

The invention discloses a liquid granite coating which is an aqueous polyphase suspension system coating. The liquid granite coating is prepared by treating a latex coating as a dispersion phase and an aqueous solution of a protection adhesive as a continuous phase, granulating according to the color and the shape of natural granite, mixing prepared monochromatic granules according to a certain ratio on the basis of the distribution, and the arrangement and combination rules of the color bars, the color spots and the color blocks of the natural granite, and stirring and mixing through adopting the mixed colorized granules as the dispersion phase and a film forming substance as the continuous phase.

The invention relates to a nuclear power plant large shielded main pump lower portion C-ring cutting device, and belongs to the technical field of maintenance of a nuclear power plant large shielded main pump. The device comprises a wall mounting assembly and a cutting assembly; the wall mounting assembly comprises a pressing plate and a wall hanging body; the pressing plate is fixed to the end surface of a lower end cover of the main pump, a gap is reserved between the pressing plate and the lower end cover of the main pump, and therefore a tongue portion of the wall hanging body can slide inthe gap; the cutting assembly includes an angle grinder head, a transmission mechanism and a cutting mechanism; the lower portion of the wall hanging body is connected to the angle grinder head, andthe angle grinder head is connected to the cutting mechanism extending into a space where a C ring of the main pump is located through the transmission mechanism. The nuclear power plant large shielded main pump lower portion C-ring cutting device is suitable for a narrow and deep cutting environment, can conduct online cutting, is high in efficiency, controllable in precision, smooth in cutting slit and controllable in foreign matter, and does not cause air radiation pollution.

The invention discloses a disassembling device and a disassembling process for a large-sized shielding main pump in a radioactive environment, and belongs to the technical field of nuclear power station large-sized shielding main pump maintenance. The disassembling device comprises an impeller nut locking pin dismounting assembly, a C-shaped ring cutting assembly and a lower radial bearing dismounting and rotor core-pulling assembly, and the impeller nut locking pin dismounting assembly comprises an upper plate, a lower plate, a connecting screw, a double-end lead screw, a fixing nut and an adjusting nut; the C-shaped ring cutting assembly comprises a wall-mounted assembly and a cutting assembly; the wall-mounted assembly comprises a pressing plate and a wall-mounted main body; the lower radial bearing dismounting and rotor core-pulling assembly comprises a foundation plate, a foundation plate support used for connecting the foundation plate and a pump body, a double-end lead screw used for connecting the foundation plate and a lower radial bearing, a nut connected to the double-end lead screw and a lifting lug arranged on the foundation plate, a rotor supporting tool and a cushionblock which are used for connecting the foundation plate and a pump shaft, and a main bolt used for connecting the foundation plate and the pump body. The disassembling method is easy to operate, anddisassembling of the large-sized shielding main pump can be completed safely and efficiently.

The invention relates to fish catching assistant equipment and discloses an efficient LED overwater attracting fish lamp structure. The efficient LED overwater attracting fish lamp structure comprises a plurality of split independent structures and a hollow-net-shaped outer frame used for fixing the split independent structures, wherein the split independent structures are the same. Each split independent structure comprises organic tempered glass, an anti-vulcanized rubber ring and a metal shell. An LED light source, a heat sink, a hollow copper heat radiator, an LED optical lens and a wire are arranged in each metal shell, wherein the heat sink is used for bearing the LED light source, the hollow copper heat radiator is arranged below the heat sink, the LED optical lens is arranged on the LED light source, and the wire enables a positive electrode and a negative electrode of the LED light source to be connected with a positive electrode and a negative electrode of an external circuit.

The invention discloses a online density and concentration analyzing instrument comprising a sensor measuring device and a processing-displaying device, wherein the sensor measuring device comprises a first pressure difference sensing membrane, a second pressure difference sensing membrane, a sensor, a first ultrasonic wave probe and a second ultrasonic wave probe; the first pressure difference membrane is installed on a first membrane flange which is connected with a first butting flange, the second pressure difference sensing membrane is installed on a second membrane flange which is connected with a second butting flange; the first pressure difference sensing membrane is coupled with the sensor, and the second pressure difference sensing membrane is coupled with the sensor by a capillary tube; the processing-displaying device comprises a processor and a displayer which are electrically connected with each other; and the sensor, the first ultrasonic wave probe and the second ultrasonic wave probe are all connected with the processor by a cable. The analyzing instrument does not have radiation pollution, is safe and reliable, convenient to install and operate, and high in measuring precision.

The invention discloses a time resolution immunity fluorescence kit for detecting the content of beta-hCG. The time resolution immunity fluorescence kit comprises a box body and a box cover which is arranged above the box body, wherein a separation layer which is used for placing an elisa plate coated by a beta-hCG monoclonal antibody is arranged in the box body; vessel holes for arranging reagent bottles are formed in the box body, and in the vessel holes, a reagent bottle with analysis solution, a reagent bottle with a cleaning solution, a reagent bottle with an enhanced solution, a reagent bottle with a beta-hCG correction product and a reagent bottle with a labeled anti-alpha-TSH monoclonal antibody are placed. In addition, the invention also discloses a preparation method of the kit and application of the kit in detecting the content of beta-hCG. The kit is high in sensitivity, wide in detection range and good in stability. The time resolution immunity fluorescence kit can be full-automatically operated by utilizing a full-automatic time resolution fluorescent immunity analyzer and is simple and time-saving to operate and high in sensitivity reaching up to 0.01mIU/ml, good in accuracy and free from radiation pollution.

The invention discloses a wall stone material for chicken farms, comprising steel reinforcement to be disposed on a wall, a stone-like material layer and a decorating line. The stone-like material layer and the steel reinforcement are cast together. The decorating line is used for matching with the stone-like material layer. The side of the decorating line is concave and convex. A resin layer is further disposed between the decorating line and the stone-like material layer. By overcoming difficulty in manual caving forming of natural stone, difficulty in mounting of over-heavy stone and high load caused by excessively wide span, the stereoscopic effect of the material is greatly improved.

The invention relates to the technical field of reflective paper, in particular to strong reflection type reflective paper and production equipment thereof. The strong reflection type reflective paper comprises a light-transmitting resin layer, a pressure-sensitive adhesive layer and a peelable layer, and further comprises a light-storing light-transmitting layer, a focusing layer, a reflecting layer, a sealing layer and a base material film layer which are distributed in a laminated manner, wherein the light-storing light-transmitting layer is arranged at the bottom of the light-transmitting resin layer, the pressure-sensitive adhesive layer and the peelable layer are laminated at the bottom of the base material film layer, the light-storing light-transmitting layer is a light-emitting layer embedded with reflective beads, the light-emitting layer is composed of a plurality of light-emitting modules, each light-emitting module is composed of a reflective bead and a super-hydrophobic modified self-luminous material layer, the reflecting layer is of a spherical reflector structure, and the focusing layer is filled between the light-storing light-transmitting layer and the reflecting layer. The production equipment comprises a spraying device, which comprises a cleaning part, a gluing part, a cooling part and a frame body mounted at the bottom which are connected in sequence. According to the invention, the light-emitting effect of the reflective paper is improved through the light-storing and light-reflecting effects.