721results about How to "Radiation-free" patented technology

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.

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 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.

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 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 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 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.