722results about How to "Radiation-free" patented technology

The fast laser depositing process of preparing antiwear heat resistant composite coating on the surface of crystallizer features that high power laser is first utilized in fast scanning to form transition layer in excellent metallurgical binding with the substrate of crystallizer copper plate on the surface of the plate and then utilized in wide band deposition to form Co base alloy with excellent heat resistance and high wear resistance on the surface of the transition layer. Compared with convenient technological process, the present invention has the advantages of precise control in laser power, position, shape and other parameters, easy automatic control of the whole process, no environmental pollution, high production efficiency, low power consumption, etc. and may be used widely.

The invention provides a tiled display control system based on a cloud computing technology, an image display method adopting the system and an application of the system. The system comprises a plurality of displays, a plurality of distributed cloud registration controllers, a plurality of exchangers and system software, wherein a jointing wall is formed by the plurality of displays; an LAN (Local Area Network) is formed by cascading the plurality of exchangers, and a framework core of an IP (Internet Protocol) network is formed by a transmission channel for providing data and control commands; the plurality of distributed cloud registration controllers are accessed into the exchangers of the corresponding levels, and are connected with the corresponding displays through video connecting wires, and the cloud registration controller adopts a PCI-E (PCI Express) base-plate and is provided with an Inter processor. A plurality of data (IE) windows can be displayed on an assembled display simultaneously by adopting the performance of a flexibly configured server and an output channel of the system, and can be interacted in real time; furthermore, the tiled display control system has the functions of video decoding, server memory and the like after the system is applied to a video conference system; compared with the traditional scheme, the system has the advantages of high performance, high reliability, high development, low cost, information processing, strong analysis and management capacities, high resolution ratio, high performance cost ratio, real-time display, green environmental protection and the like.

The invention relates to a method for manufacturing a tungsten carbide hard alloy wear-resistant coating of a rod and wire hot press roll. A laser cladding technical measure is adopted on an ordinary roll substrate so that a nickel base alloy about 0.1 to 1mm formed on the surface of the substrate is an adhesion phase tungsten carbide hard alloy coating. The method comprises the following technical processes that: firstly, the preparation of tungsten carbide hard alloy laser cladding materials is carried out; then, the work layer mechanical processing and the surface cleaning are carried out; and next, the laser cladding processing is carried out so that the tungsten carbide hard alloy coating is formed on the surface of the rod and wire hot press roll. The method has the advantages that the service life of the roll is greatly prolonged, the resource benefit maximization is realized, and the method has the characteristics that the production rate is high, the energy consumption is low, the working allowance of the cladding layer is small, the finished product rate is high, the integral cost is low, and the like.

A hollow microsphere masonry dedicated thermal insulation mortar and a dedicated surface mortar, especially a wall self-insulation system-matching hollow microsphere masonry dedicated thermal insulation mortar and a dedicated surface mortar, relate to a constuction energy-saving technology. The hollow microsphere masonry dedicated thermal insulation mortar comprises, by weight, 20-30% of special cement, 2-6% of coal ash, 20-35% of quartz sand, 5-8% of master batch, 35-45% of hollow microphere, and 3-6% of coarse whiting; and the hollow microsphere masonry dedicated surface mortar comprises, by weight, 28-40% of ordinary Portland cement, 3-6% of coal ash, 7-10% polymer, 40-55% of quartz sand, 10-16% of hollow microsphere, and 1-3% of coarse whiting. With a low heat conductivity coefficient, excellent thermal insulation effect, high compression strength, high bonding strength, low contractibility, environment-friendly and fire-proof properties and notable composite economic results, the wall self-insulation system-matching dedicated thermal insulation mortar and a dedicated surface mortar provided in the invention can be widely popularized and used in wall self-insulation system buildings.

The invention relates to a glaze material which comprises the following components in parts by weight: 30-50 parts of inorganic gel, 1-3 parts of modifier, 10-20 parts of fine aggregate, 30-50 parts of coarse aggregate, 3-5 parts of reinforced fiber, 0.2-0.4 part of water reducer, 0.01-0.06 part of retarder, 0.01-6 parts of moisture repellent, 0.1-0.5 parts of water-retaining agent, 0.5-2 parts of flexibilizer, 0.5-3 parts of densification agent and 2-6 parts of mineral pigment. The invention also provides a preparation method of a glaze material plate. Most of the components of the glaze material are common inorganic materials, thus being low in cost, having no toxicity and radiation, having no contamination, and being environment-friendly. When in preparation of the glaze material plate by using the glaze material, the step of high temperature roasting is eliminated, the molded glaze material plate can be cured at normal temperature, and carbon emission can be greatly reduced, so that the preparation method is environment-friendly and energy-saving.

The invention provides a stone-plastic simulated wood floor and a manufacturing method thereof. The stone-plastic simulated wood floor comprises the following components in percentage by mass: granular calcium carbonate mineral powder or tailing residue powder (containing over 50 percent of calcium carbonate), waste polyvinyl chloride (PVC) granules, polyamino modified silicone oil, polyether silicone oil, dibutyl ester, paraffin, complex stabilizers, tribasic lead sulfate, lead stearate, barium stearate and stearic acid. The stone-plastic simulated wood floor manufactured from wastes from industrial and mining enterprises and life saves resources, is insusceptible to sliding and radiation generation and solves the problems of low fire resistance, low water resistance, deformation, insect damage and troublesome maintenance and the like.

The invention discloses a gray brick mechanically manufactured from lime sludge and construction wastes and a method for manufacturing the same. The materials for mechanically manufacturing the gray brick comprise the following raw materials in portion by weight: 1,015 to 1,135 portions of construction waste crushed materials, 240 to 290 portions of cement, 810 to 1,010 portions of lime sludge, 60 to 75 portions of gray lime, and 100 to 125 portions of water, wherein the particle size of the construction waste crushed materials is less than 15 millimeters. If necessary, less than 20 portions of fly ash and proper amount of activating agent can be added to the materials. The method for mechanically manufacturing gray brick comprises the following steps: firstly, crushing the construction wastes; secondly, mixing the construction waste crushed materials with the other materials according to the proportions; and thirdly, pressing the mixture by adopting a mechanical method so as to produce the gray brick of the invention. The gray brick and the method for manufacturing the same recycle the sludge and the construction wastes in a reducing, harmless and resource-utilizing mode, and solve the problem that substituting materials and products are hard to find after clay bricks are forbidden to use and the problem of gray brick sources for civilian constructions.

The invention relates to an oil production well productivity tracking and evaluating method. The method comprises the following steps of 1) during a fracture construction process, adding liquid indicator agent into a blending truck when preparing prepad fluid and carrying fluid; 2) during the fracture fluid recovery process, performing continuous tracking, monitoring, sampling and measuring; 3) during a pumping overlayer production process, performing sampling at the mouth of a well or a measuring station, obtaining the amount of tracked pumped fluid during normal operation, wherein sampling includes different requirements on different wells; 4) respectively measuring the concentration of liquid indicator agent and the illumination intensity of every preprocessed sample through analyzing instruments to calculate out contribution rate, recovery rate, recovery amount and the like. According to the oil production well productivity tracking and evaluating method, by means of classification, analysis, processing and study of the liquid indicator agent, relevant information such as production liquid component status, productivity (contribution rate), fracture effects and the like.

The invention provides a light-emitting diode (LED) eye-protecting lamp with multiple illuminators which comprises an LED area light source, a heat dissipating shell, a rotating shaft structure matched with a natural light sensor and a low-voltage direct current drive controller used for adjusting brightness. The LED eye-protecting lamp with multiple illuminators has the advantages that adjustment control function is intelligent, low-voltage input is safe, appearance of the eye-protecting lamp can be designed variously, problems of direct glare of the light source illuminators and indirect glare of the lighting device are solved under the condition that high-light of the eye-protecting lamp is ensured, structure is reasonable and compact, manufacturing is convenient, purposes of energy-efficient, environmental protection, conscious, flicker-free, no radiation, no glare, no shadows and no light pollution are achieved truly, and the LED eye-protecting lamp with multiple illuminators has high social benefits and economic benefits.

The invention discloses an online examination method, device and system. The online examination method includes: acquiring examinee login information of examinees; finding examination paper types corresponding to the examinee login information according to the same; finding target examination paper pointed by the examination paper types from a examination paper set, and sending the target examination paper to examination terminals of the examinees, wherein the examination paper of various examination paper types is stored in the examination paper set, and examination questions in the examination paper of each examination paper type are configured by examiners having corresponding question compiling login information. By the online examination method, device and system, universality and convenience of examination are realized.

The invention relates to a carrier course angle calculation method based on a polarization compass. The polarization compass comprises two acceleration meters in the horizontal direction and three polarization sensors. The carrier course angle calculation method based on the polarization compass includes that firstly, using the acceleration meters in the horizontal direction to acquire the horizontal posture (pitch angle theta and roll angle gamma) of the carrier; secondly, using the geographical location information and time information of the carrier to calculate a unit sun vector St under a geographic coordinate system; thirdly, using the polarization sensors on the carrier to measure a polarization azimuth angle to calculate a unit sun vector Sm under a polarization sensor module coordinate system; finally, using the horizontal posture information and sun vector information to build the transformation relation of the unit sun vector between the geographic coordinate system and polarization sensor module coordinate system, and confirming the course information Psi of the carrier. The carrier course angle calculation method based on the polarization compass has advantages of high precision, less calculated amount, strong compatibility and the like.

A pseudo-classic grey brick is proportionally made of broken building garbage, cement, fine sand, grey lime, water, and optional powdered coal ash.

The invention relates to a flame-retardant fiber board and a manufacturing method thereof. The flame-retardant fiber board is prepared from the following raw materials in portion by weight: 80 to 120 portions of fiber, 80 to 120 portions of magnesia, 80 to 200 portions of water solution of magnesium sulfate, 5 to 30 portions of active silica, 0.5 to 2 portions of organosilicon waterproof agent, and 0.5 to 1.5 portions of plasticizer. The manufacturing method comprises the steps: 1) preparing the fiber, namely cleaning and drying crop straws, wood branches or wood processing residual materials, and then obtaining the fiber through the crushing by a crushing machine; 2) preparing an inorganic adhesive, namely mixing the magnesia, the water solution of the magnesium sulfate, the active silica, the organosilicon waterproof agent and the plasticizer, and stirring the mixture to obtain the inorganic adhesive; 3) mixing the fiber and the inorganic adhesive prepared through the step 1 and the step 2, stirring the mixture, and paving the mixture after the screening by a screening machine; 4) paving a reinforcing network on the upper and lower surfaces of a paved slab; and 5) finally performing hot pressing on the board paved with the reinforcing network for 10 to 25 minutes at a temperature of between 100 and 110 DEG C at a pressure of between 12 and 30MPa to obtain the flame-retardant fiber board. The flame-retardant fiber board has broad application field.

The invention relates to an insulation construction method for a city building, in particular to an indoor insulation construction method for cave dwelling type environment of the city building, and solves the problem that no mature indoor insulation construction method exists at present. The method comprises the construction working processes of substrate treatment, wall surface construction, ceiling construction, bathroom wall surface construction, and floor slab floor construction; through high-performance insulation material and unique construction technology, the invention performs the insulation treatment to the four indoor walls, the four walls of the bathroom, and the ceiling and the floor, can enable the indoor environment to form an insulation environment similar to an inner liner of a thermos bottle, can maintain the indoor temperature fluctuation within a very small fluctuation range, creates a cave dwelling type indoor environment with cool summer and warm winter, not only effectively prevents the cold and hot bridge phenomenon, but also meets the heat insulation requirement in a house, and achieves an energy-saving effect. On one hand, the invention technically guarantees the effective operation of family heat metering, on the other hand, the environmental effect created by the invention is basically similar to the thermal environment of the cave dwelling.

A light-weight foamed wall slab is prepared from magnesium oxide (1070 wt. portions), magnesium chluride (60-70), water (20-50), stabilizer (5-26), short fibres (2-15), modifier (1.65-9), foaming agent (0.8-8), and water-resisting agent (0.15-1) through mixing while stirring, foaming and solidifying. Its advantages are high effect, low cost of modifier, light dead weight, high strength, and low cost.

The invention discloses a fire extinguishing agent, which is prepared from the following raw materials in parts by weight: 100 parts of ammonium polyphosphate, 15-20 parts of potassium sulphate, 15-20 parts of sodium bicarbonate, 5-10 parts of magnesium chloride, 5-10 parts of mica, 10-15 parts of silicone oil, 5-10 parts of activated clay, 5-8 parts of red phosphorus, 5-10 parts of zinc borate, 5-10 parts of antimonous oxide and 5-15 parts of white carbon black. The fire extinguishing agent is compounded by multiple components, thus, type-A fire, type-B fire, type-C fire and type-D fire can be extinguished at the same time. Moreover, a flame retardant component is left on an extinguished object after the fire is extinguished so as to avoid resurgence. As all the raw materials are environmental protection materials, the fire extinguishing agent disclosed by the invention has no toxin, smell, pollution or radiation, and harmful gas cannot be generated when the fire is extinguished. After the fire extinguishing agent is sprayed onto a burning object when the fire is extinguished, smoke can be eliminated and toxic gas can be adsorbed so as to prevent the condition that people are suffocated from occurring as possible.

The invention relates to an LED dimming device which is applicable to a controllable silicon dimmer. The LED dimming device comprises a rectifier, a fictitious load circuit, a zero-crossing detection circuit, a high frequency transformer, a main power supply drive integrated circuit, a secondary rectification and filter circuit, a secondary power supply drive integrated circuit and an average voltage detection circuit. The invention has the beneficial effect that the LED dimming device is capable of realizing the brightness adjustment of an LED lamp by the controllable silicon dimmer and has the advantages of good dimming effect, long service life, simple structure and environmental protection and energy saving.

The invention discloses a LED tunnel light. It includes shell and lighting module. The former includes lamp body fixed structure. The latter includes lens shade formed by lens array which formed by astigmatism convex and condense edge. The astigmatism includes light incidence and emergent planes. The lamp body fixed structure includes fixed frame and fixed plated surface. The invention can control the light distribution to make faculae form rectangle, have even illumination in effective area, little or no parasitic light out the area.

The invention discloses a near-field optical wireless high-speed simple interactive communication system and method used between electronic devices. Transmitted data information is transmitted to the opposite side through photo-electric conversion and with light serving as an information carrier, the opposite side restores light signals into electric signals through a photoelectric detector, and accordingly high-speed communication between the devices is achieved. Due to limitations of the devices in the prior art, the maximum communication speed is 100Mbps, and the communication speed of the system far exceeds that of an existing near-field non-contact transmission method. The system and method can be applied to mobile phones, intelligent terminals, tablet computers, notebook computers and other electronic devices, information high-speed wireless interconnection can be achieved, and the system and method have the advantages that high speed is achieved, safety and confidentiality are achieved, environment protection is achieved, no radiation exists and interactive communication is achieved, and have great prospects in the field of information non-contact transmission between intelligent terminals in the future.

The invention discloses a wearable array transducer probe and a small animal brain function photoacoustic imaging system. The wearable array transducer probe comprises a wrist-shaped outer casing, a top connector, a transducer array, a bottom sealing ring and a rubber buckle belt. The small animal brain function photoacoustic imaging system comprises the wearable array transducer probe, a composite cable, an integrated light source generator, a display and a host, wherein the composite cable comprises an optical signal line and a data line, a light beam expander of the wearing type array transducer probe is connected with the integrated light source generator through the optical signal line, and an adapter of the wearing type array transducer probe is connected with the host through the data line. The wearable array transducer probe overcomes the defects of the existing small animal brain function photoacoustic imaging system that the size is large, the cost is high, the special brain function imaging is not available, the small animals need to be anesthetized and fixed for observing, and the like.

The invention discloses a positioning and tracking system of an underground / roadway moving object, comprising underground positioning and tracking systems distributed under a detected mine and ground monitoring systems distributed on the ground; two-way communication is conducted between the underground positioning and tracking system and the ground monitoring system; the underground positioning and tracking system comprises a plurality of wireless radio-frequency labels, a plurality of wireless signal receiving and transmitting devices and a plurality of card readers which are respectively carried by underground workers, are internally stored with the information of the identity and engaged job category information of a cardholder, can read the stored information in the wireless radio-frequency labels within respective signal coverage area in real time, and synchronously upload the read information and the internally-stored information to the card reader of the receiving and transmitting device; and the wireless radio-frequency labels are distributed on a coal mining work surface or a coal mining roadway. The positioning and tracking system has reasonable design, convenient installation and distribution, low cost, complete function and good use effect, and also improves the coverage area correspondingly while saving the cost.

The invention discloses passive millimeter wave imaging security inspection equipment which comprises a one-dimensional focal plane array (1), a reflecting plate (3), a display control sub-system (4), a signal processor (5), an inner calibration combination (6), a reflecting plate rotating mechanism (7), a dielectric panel (8), a rack (9), a detecting table (11), an ellipsoid reflecting surface (2) and an outer calibration combination (10). The ellipsoid reflecting surface (2) focuses electromagnetic waves radiated by a human body, the one-dimensional focal plane array (1) converts the focused electromagnetic waves into voltage signals, the signal processor (5) collects the voltage signals and sends the voltage signals to the display control sub-system (4), and the display control sub-system (4) processes the voltage signals and then outputs two-dimensional grey-scale map. The inner calibration combination (6) and the outer calibration combination (10) are adopted for combined calibration, image quality can be improved, and metal and nonmetal forbidden objects can be detected. The passive millimeter wave imaging security inspection equipment has the advantages of being small in system loss, high in sensitivity and reliability, low in cost, light and the like.

The invention relates to a high-strength active powder fiber concrete slab characterized by comprising the following components of water with the water to binder ratio of 0.28-0.36 and ingredients, the ingredients comprise the following components in proportion (proportion by weight): 35-40% of quartz powder, 30-35% of cement, 6% of fibers and 24-29% of reaction assistants, wherein the fibers are vegetable fibers or / and alkali-resistant glass fibers; and the reaction assistants comprise 23-28% of mineral assistants and 1% of chemical assistants, wherein the mineral assistants are nano silica powder or / and pulverized fuel ash, and the chemical assistants are polyacrylic acid-series superplasticizers. Through synthesizing the characteristics of various materials, the finally obtained high-strength active powder fiber concrete slab has the advantages of light weight for lightening the weights of buildings, convenient transportation for improving the construction speed and shortening the construction period, fire and moisture prevention, heat insulation, good sound insulation and weather resistance, weathering resistance, acid rain resistance, ultraviolet ray resistance, no toxicity, no radiation and the like, can thin wall bodies to increase the usable areas of floors, and has light dead weight and good earthquake resistance so as to be beneficial to developing high-rise buildings and saving urban lands.

The invention discloses a scattering medium-penetrating laser speckle flow speed detection method and a device thereof. The scattering medium-penetrating laser speckle flow speed detection method is characterized in that based on the optical memory effect of the scattering medium, the spatial light modulator can be used for the compensation matching of the random phases generated by the light waves passing through the scattering mediums, and by combining with the laser speckle comparing and analyzing method, the scattering medium-penetrating flow speed imaging can be realized. The device provided by the invention is characterized in that a light beam transmitted by a laser device can be used to illuminate the object plane and the scattering medium after passing through a collimating and beam expanding system. The rear surface of the scattering medium can be imaged on the spatial light modulator by adopting a 4f system, and the light modulated by the spatial light modulator can be reflected to a light splitting sheet along an optical path, and then can be received by a CCD camera or a CMOS camera via a lens five. The scatheless, non-contact, and scattering medium-penetrating real-time wide field flow speed imaging can be realized.

The invention discloses a radiation-free multi-component rare earth tungsten electrode material and a preparing method thereof. The radiation-free multi-component rare earth tungsten electrode material contains lanthanum oxide, zirconia, yttrium oxide, lutecia, rhenium and tungsten. The mass percent of each rare earth oxide in the material is 0.5-1.5%, the mass percent of the total quantity of the rare earth oxide in the material is 2-3%, the mass percent of alloy element rhenium in the material is 1-4%, and the balance is tungsten. The preparing method for the radiation-free multi-component rare earth tungsten electrode material comprises the procedures of solution disposition, drying, reduction, isostatic cool pressing, sintering, vertical melting, medium frequency induction annealing, B202 rotary forging, B201 rotary forging, drawing, straightening, cutting, polishing and grinding. The prepared radiation-free multi-component rare earth tungsten electrode material is easy to machine and better in use performances.

The invention relates to a damage detection device for a lasher vision conveying belt. The damage detection device for the lasher vision conveying belt comprises an image capture device (1), a master control device (2) and an image analysis device (3). The image capture device (1) comprises lasher devices (4) and cameras (5), the lasher devices (4) and the cameras (5) are arranged on one side of the conveying belt in pairs, the lasher devices (4) are perpendicularly arranged over the conveying belt, and the lasher devices (4) and the cameras (5) are arranged at a certain included angle. The master control unit (2) comprises a signal processor (6), an optical fiber communication device (7) and a power supply (8), and the image analysis device (3) comprises the optical fiber communication device (7), a personal computer (PC) machine (9) and a displayer (10). According to the damage detection device for the lasher vision conveying belt, no ionizing radiation or electromagnetic radiation exists and the problems that the algorithm of a machine vision detection method is too complex in the damage feature exaction process of the conveying belt is solved.

The invention discloses a handheld fluorescent ultrasonic fusion radiographic navigation system. A multi-spectrum source exciting module excites near-infrared laser and visible white light; a handhelddetector module includes a fluorescent probe and an ultrasonic probe integrated to each other; the fluorescent probe irradiates tissue of an open living body to obtain a fluorescent image of a specific tissue part; an information processing module processes the fluorescent image to obtain an enhanced fluorescent image including position and boundary of diseased tissue; a high-frequency ultrasonicexciting module excites multi-frequency ultrasound according to the displayed position and boundary of the diseased tissue, an ultrasonic probe performs ultrasonic detection on the diseased tissue toobtain a continuous two-dimensional ultrasonic image of the diseased tissue; the information processing module performs 3D registered fusion on the continuous two-dimensional ultrasonic image to obtain a 3D ultrasonic image of the diseased tissue; the information processing module transmits the 3D ultrasonic image to a display for displaying, and the enhanced fluorescent image and the 3D ultrasonic image provide real-time surgical video navigation for surgeons.

The invention relates to a preparation method of a fireproof heat preservation partition wall board. By limiting the slurry raw material proportion of the fireproof heat preservation partition wall board and adopting solidifying and maintaining technologies in the preparation process, the obtained fireproof heat preservation partition wall board has the performance advantages of being light, rapid in setting and hardening, high in strength, capable of achieving heat preservation and thermal insulation, preventing fire, resisting aging and resisting acid and alkali and the like, has the environmental protection advantages of being free of toxin, harm, pollution and radiation and the like, and is a novel multifunctional building material.

The invention discloses an automatic traceless fusion welding technology of a thin-wall stainless steel clean pipeline. The technology comprises the following steps of: step 1, treating a welding port: milling pipe end welding surfaces of two welded pipeline segments into planes; step 2: assembling welded junctions; step 3: carrying out point welding; step 4: carrying out fusion welding: carrying out fusion welding on the two pipeline segments by adopting an argon tungsten-arc welding machine, wherein the fusion welding process comprises the following steps of: introducing a protective gas before welding, welding the two welded pipeline segments by adopting the argon tungsten-arc welding machine, and introducing argon continuously during the welding process and introducing a protective gas continuously after welding; and step 5: sealing and protecting after welding. The automatic traceless fusion welding technology of the thin-wall stainless steel clean pipeline provided by the invention is reasonable in design, is simple and convenient to operate, is convenient to achieve, has a good pipeline cleanness control effect, is high in welding quality, and can effectively solve the problems of high labor intensity, low efficiency, high production cost, severe welding junction oxidation, poor formation inside and outside a welding line, difficulty in controlling cleanness in pipelines, poor cleanness control effect and the like in an existing welding method.