43results about How to "Anti-electromagnetic radiation" patented technology

The invention discloses a fiber bragg grating detection system device and method for detecting an anchoring force of an anchor rod. The fiber bragg grating detection system device consists of a fiber bragg grating sensor array, a fiber bragg grating anchor rod dynamometer, a fiber bragg grating demodulator, an optical cable and a computer, wherein the fiber bragg grating anchor rod dynamometer mainly comprises a plurality of fiber bragg grating sensors which are uniformly arranged on an annular elastic body arm and is arranged at the end part of the anchoring end of the anchor rod; meanwhile, the fiber bragg grating sensor array is distributed on a rod body of the anchor rod; the fiber bragg grating sensor array and the fiber bragg grating anchor rod dynamometer are respectively connected with the fiber bragg grating demodulator through the optical cable; and the fiber bragg grating demodulator is connected with the computer. According to the fiber bragg grating detection system device, the real-time detection on the stress of the anchor rod can be realized and the distributed measurement can be realized. The fiber bragg grating detection system device has the advantages of simple structure, convenience in mounting, high detection speed, long-distance monitoring, repeated use and easiness in protection and maintenance, and is widely applied to tunnels and slopes dug for coal mines, metallurgical mines, water conservancy, railways, roads and defense.

The invention discloses a high-transparent ultraviolet-blocking energy-saving membrane and a preparation method thereof by way of phase transfer in solution, which belong to the field of composite thin films. The high-transparent ultraviolet-blocking energy-saving membrane comprises the following compositions in percentage by weight: 50 to 99.8 percent of high polymer, and 0.2 to 50 percent of metallic-oxide nano particles (at least compring a composite metal oxide nanoparticle with a core-shell structure); and the method for preparing the high-transparent ultraviolet-blocking energy-saving membrane by way of phase transfer in solution comprises the following steps: transferring the metal oxide nanoparticles from an initial disperse system to a solvent system in which the high polymer canbe dissolved through the steps of centrifugal separation and washing and the like, then preparing the metal oxide nanoparticles into metal oxide nanoparticles/thermoplastic polymer/solvent dispersion, namely, stock membrane-making solution; and preparing the stock membrane-making solution into the energy-saving membrane on a substrate. The high-transparent ultraviolet-blocking energy-saving membrane of the invention has the advantages of high transparency, good ultraviolet shielding performance, good energy-saving effect, simple preparation process and low cost, therefore, the membrane is suitable for industrial production.

The invention relates to a composite material of amorphous metal and plastics, a composite shell and a preparation method of the composite material, belonging to the technical field of macromolecule engineering materials. The composite material comprises an amorphous metal layer and a plastic layer adhered with the amorphous metal layer together, wherein the thickness of the amorphous metal layer is from 5 to 150mu m, and the thickness of the plastic layer is from 0.2 to 6 mm. The composite material is prepared by adopting the preparation method comprising the following steps of: (1) adhering an amorphous metal sheet to the inner wall of an injection mould chamber, (2) injecting molten plastic into an injection port of the injection mould chamber, cooling and forming so that the amorphous metal layer and the plastic layer are adhered together to form an entire body. Through compositing plastic on the amorphous metal sheet, the composite material has the advantages of corrosion resistance, wear-resisting property, electromagnetic radiation prevention property and favorable external sensitive property of amorphous metal, and also has the characteristic of plastic, such as light weight. Meanwhile, because the amorphous metal layer is very thin, the cost of the entire composite material is rather low.

The invention provides an MXenes-AgNPs synergistic antibacterial cotton fabric. Through the synergistic antibacterial effect of MXenes and AgNPs, the cotton fabric has excellent antibacterial activity and lasting antibacterial ability. AgNPs are uniformly loaded on the surface of the MXene two-dimensional nanosheet through covalent interaction, so that the MXenes nanocomposite loaded with AgNPs is formed. The surface of the cotton fabric is uniformly coated with the AgNPs-loaded MXenes nano composite material through covalent interaction. In addition to the antibacterial property, the cotton fabric prepared by the invention further has multiple functions of ultraviolet resistance, electromagnetic radiation resistance, conductivity and the like, the additional value of the cotton fabric is greatly improved, and the application range of the cotton fabric is greatly widened.

The invention discloses a sensitized cytochrome c optical fiber sensing device and method. The device comprises a tapered micro-nano optical fiber, a graphene interface and a DNA aptamer. A transitionarea and a homogeneous area of the tapered micro-nano optical fiber form an interference structure, and the tapered micro-nano optical fiber is welded with a single-mode optical fiber to form an optical fiber sensing probe. The graphene interface is a silver nanoparticle modified graphene interface, and is assembled into a single layer film on a side of the tapered micro-nano optical fiber. The DNA aptamer is fixed on the surface of the graphene interface by non-covalent bonding. The optical fiber sensing probe is immersed into a culture solution containing cells after the DNA aptamer is fixed, also a light source is input into the tapered micro-nano optical fiber, and the characteristic that the evanescent wave on the side of the tapered micro-nano optical fiber is sensitive to the external environment change is utilized to detect the aptamer conformational change caused by specific binding of cytochrome c molecules and the DNA aptamer. The device and method provided by the inventioncan realize extracellular in situ measurement of cytochrome c in the human body and avoid invasive injury and toxicity to cells.

The invention discloses an electromagnetic radiation prevention beverage and relates to drinks. The electromagnetic radiation prevention beverage comprises the following components in percentage by weight: 15%-30% of appendicula terrestris extracting solution, 25%-80% of green tea water, 2%-20% of red grapefruit juice, 1%-20% of carrot juice and 1%-8% of honey. The anti-electromagnetic radiation beverage provided by the invention adopts appendicula terrestris and green tea as main components, so that the components are natural, and the electromagnetic radiation prevention beverage has the health-care effects of reducing blood glucose, preventing oxidization, electromagnetic radiation and fatigue, sour and has the sweet mouthfeel.

The invention relates to the textile field, in particular to an antibacterial vortex spun yarn. The vortex spun yarn can play the role of antibacterial, moisture absorption, health care, antistatic and the like. Its structure includes viscose fiber located in the middle, flax fiber, modal fiber, silk fiber, bamboo charcoal fiber, silver fiber and chitin fiber are distributed around the viscose fiber in turn; the flax fiber, modal fiber, silk fiber The number of fiber, bamboo charcoal fiber, silver fiber and chitin fiber is at least one respectively. The antibacterial vortex spinning yarn of the present invention has simple structure, convenient use and is suitable for various places.

The invention discloses a treatment method of down feather with a long-acting electromagnetic radiation shielding effect. According to the treatment method disclosed by the invention, the treatment method is divided into three steps, pretreatment is firstly carried out on the down feather by utilizing pretreatment liquid, so that the surface performance of fiber is improved, and the reaction activity is increased; during a follow-up cross-linking modification treatment process, grafting treatment can be firstly carried out by utilizing glutaraldehyde, and then functionalized treatment is carried out on the fiber by using a carboxylic beta-cyclodextrin-nanosilver composite solution, and a beta-cyclodextrin-nanosilver composite material is grafted to the fiber; modified down feather fiber is further treated by post-treatment liquid, and finally, the down feather which has effects of resisting electromagnetic radiation, resisting bacteria and resisting water washing is obtained; compared with down feather after being treated through a traditional technology, the modification effect of the down feather disclosed by the invention is more durable, and the additional economic value of a down feather product is greatly increased.

The invention relates to an LED guiding sign controller. The LED guiding sign controller consists of a power supply circuit, LED drive circuits, a communication circuit, an MCU control circuit, a loudspeaker drive circuit and an infrared receiving head circuit. The power supply circuit comprises a three-terminal regulator U7 and a DC-DC isolation module U6. The MCU control circuit comprises an external oscillating circuit, a storage circuit, a resetting circuit, a debugging circuit and a main control chip U1. The number of the LED drive circuits is six. The loudspeaker drive circuit comprises a loudspeaker drive chip U4. The infrared receiving head circuit comprises an HL terminal. The communication circuit comprises a communication chip U5. The LED guiding sign controller has a local remote controller remote-controlling function, an RS485 remote communication function and LED module driving and voice broadcasting functions and has the advantages of being high in working reliability, wide in selection range, long in service life, electromagnetic-radiation-resisting and the like.

The invention relates to bamboo fiber gauze scarf fabric comfortable and soft in touch, high in elasticity and resistant to static electricity and radiation. The fabric is formed by interweaving cotton fiber yarn (1) serving as warp and bamboo fiber yarn (2) serving as weft, several cored wires (3) are embedded in the cotton fiber yarn (1), each cored wire (3) is formed by coating metal ion fiber with silk, and the metal ion fiber is wavy. A lining layer is composited on the back of the fabric and formed by spirally winding anti-pilling fiber which forms a cavity when being spirally wound, electroconductive fiber is arranged in the cavity, and polyester filament and polyurethane filament are arranged outside the anti-pilling fiber and spirally wound. The fabric is comfortable and soft in touch, high in elasticity and resistant to static electricity and radiation.

The invention relates to a bamboo fiber gauze kerchief deodorization, sterilization and anti-radiation fabric. The fabric is formed by interweaving cotton fiber yarns (1) as warps and bamboo fiber yarns (2) as wefts, several core-spun yarns (3) are embedded into the cotton fiber yarns (1) and formed in the mode that wavy metal ion fiber is wrapped with silk. A lining layer is combined to the back face of the fabric. A fiber face layer and a waterproof layer are fixedly arranged on the upper surface and the lower surface of the lining layer respectively. An inflaming retarding layer formed through adhesion of inflaming retarding powder is fixed to the surface of the outer side of the waterproof layer, the lining layer is formed by interweaving polyester yarns, breathable holes are evenly arrayed in the lining layer, the fiber face layer is formed by interweaving warps and wefts, and soybean fiber is interwoven in the warps and the wefts. The fabric achieves deodorization, sterilization and radiation resistance.

The invention discloses a switching value signal transmission control system based on an optical fiber, which is applied to the field of optical fiber communication, and aims to solve the problems ofcomplicated transmission cables, easiness in electromagnetic interference, difficulty in access self-inspection and the like in transmission of a large number of switching value signals in an industrial process measurement and control system. According to the invention, optical signals with different wavelengths are adopted to independently transmit different switching value signals; optical signals carrying different switching value signals are transmitted through an optical fiber. Before entering a control system, optical signals carrying different switching value signals are converted intoa plurality of corresponding electric signals through a plurality of second photoelectric detectors, the electric signals carry different switching value signals, the electric signals are amplified through a voltage amplifier and then input into a switching valve or a relay, and transmission of a large number of switching value signals is achieved. Before entering the second photoelectric detector, optical signals carrying different switching value signals are simultaneously reflected back to the first photoelectric detector through the reflecting mirror and converted into electric signals tobe output to the semiconductor diode, and access self-checking is achieved.

The invention discloses an optical fiber sensing device with a rainfall and snowfall monitoring function and an operation method of the optical fiber sensing device. The optical fiber sensing device comprises a base; a first supporting beam which is of a simply supported beam structure, wherein the first supporting beam is fixedly provided with a rainwater collecting device and a first optical fiber sensing piece, the first optical fiber sensing piece is used for measuring the strain of the first supporting beam according to the force applied to the first supporting beam by the rainwater collecting device; a second supporting beam which is of a cantilever beam structure, wherein a snow collecting device is fixedly arranged on the second supporting beam, the second supporting beam is fixedly provided with a second optical fiber sensing piece, the second optical fiber sensing piece is used for measuring the strain of the second supporting beam according to the force applied to the second supporting beam by the snow collecting device. The rainfall and snowfall monitoring is realized by adopting the optical fiber sensing pieces to measure the strain, and the optical fiber sensing device has the characteristics of no maintenance or less maintenance, high integration level, electromagnetic interference resistance, long service life and the like.

The invention discloses a comfortable health protection fabric and a processing technology thereof. The comfortable health protection fabric is woven by a warp thread and a weft thread, wherein the warp thread is prepared by blending polynosic, a bamboo charcoal magnetic fiber and a cotton fiber, the weft thread is woven by blending a bamboo charcoal magnetic fiber and polynosic, the blending ratio of the polynosic to the bamboo charcoal magnetic fiber and the cotton fiber in the warp thread is 3: 2: 1, and the blending ratio of the bamboo charcoal magnetic fiber to the polynosic in the weft thread is 1: 1. The comfortable health protection fabric has the advantages of absorbing moisture, being breathable, soft, smooth, mild, warm and wear-resisting, and having the health protection effects of restraining and sterilizing bacteria, removing odor, resisting ultraviolet ray, resisting electromagnetic radiation, relaxing tendons and activating collaterals, and promoting body microcirculation.

The invention provides a medical caring pad for preventing infection of lying-in women in puerperium. For the medical caring pad, a core layer is divided into a lochia absorption area and eczema flowing guiding areas, namely the core layer is formed by overlaying the lochia absorption area which is of a trapezoidal structure and the relatively wide eczema flowing guiding areas on two sides. The core layer is divided into the following layers from top to bottom in sequence: 1, a surface layer, 2, a sterilization layer, 3, a liquid flowing guiding layer, 4, an absorption layer, 5, an eczema flowing guiding layer and 6, a bottom layer; the sterilization layer, the liquid flowing guiding layer and the absorption layer form the lochia absorption area; the eczema flowing guiding layer forms the eczema flowing guiding area. In the medical caring pad, flowing guiding grooves formed at intervals are formed in the absorption layer of the lochia absorption area; at the same time, the sterilization layer is formed by nano-silver or zein fibers or chitosan fibers; by using the lochia absorption area which is of the trapezoidal structure, static blood and grume discharged by a lying-in woman can be guided fast, the widened eczema flowing guiding areas can enlarge the eczema discharging area, so that the aim of effectively preventing the infection of the lying-in women in the puerperium is realized by the combination of the two. In the medical caring pad, improved strip-shaped grooves form the absorption layer in an interval structure, a ladder-type compaction method is used for compacting the lochia absorption area and the eczema flowing guiding areas in the pad to form a whole body.

The invention relates to bamboo fiber gauze scarf anti-radiation fabric with a far infrared radiating function. The fabric is formed by interweaving cotton fiber yarn (1) serving as warp and bamboo fiber yarn (2) serving as weft, several cored wires (3) are embedded in the cotton fiber yarn (1), each cored wire (3) is formed by coating metal ion fiber with silk, and the metal ion fiber is wavy. A lining layer is composited on the back of the fabric and formed by interweaving warp and weft which are arranged in a mutually perpendicular manner, the warp is common fiber yarn, and the weft is far infrared fiber yarn. The fabric has the far infrared radiating function and is resistant to radiation.

The invention discloses a laser Doppler tachometer on the basis ridge optical waveguides. The laser Doppler tachometer comprises a beam splitter, a probe and a beam combiner, the beam splitter and the beam combiner are formed based on the ridged optical waveguides, the beam splitter is used for dividing a laser light source into a reference beam and a detecting beam, after the detecting beam is output from an output end of the probe and reaches a detected object, Doppler frequency shift of the detecting beam occurs, scattering light after the frequency shift enters a receiving end of the probe, and after the scattering light is interfered by coupling of the beam combiner and the reference beam, and a signal detected by a photoelectric detector is output. The laser Doppler tachometer can output speed information after transforming the speed information into an optical signal, and therefore perception speed changes can be efficiently coupled with single-model optical fiber, and the laser Doppler tachometer has the advantages of being high in sensitivity, resistant to electromagnetic radiation, easy to process and miniaturize, low in cost, and the like.

The invention relates to an elegant and non-deformed anti-radiation fabric of bamboo fiber gauze. The fabric is interwoven with cotton fiber yarn (1) as warp and bamboo fiber yarn (2) as weft. Several core-spun threads (3) are embedded in the cotton fiber yarn (1). The cored wire (3) is formed by silk covering metal ion fibers, and the metal ion fibers are wavy. A lining layer is compounded on the back of the fabric, and the lining layer is composed of a velvet layer, a sponge layer and a base cloth layer sequentially from top to bottom. The invention is elegant, non-deformable and anti-radiation.

The invention relates to multifunctional anti-radiation bamboo-fiber gauze kerchief fabric. The fabric is formed by interweaving cotton fiber yarns (1) serving as warps and bamboo fiber yarns (2) serving as wefts, wherein a plurality of core-spun yarns (3) are embedded in each cotton fiber yarn (1), the core-spun yarns (3) are obtained by coating metal ion fibers with silk, and the metal ion fibers are wave-shaped. A lining layer is compounded in the back surface of the fabric, the lining layer comprises a lining layer body formed by weaving the wefts and the warps, the wefts and the warps are interweaved to form a plain structure with three upper layers and three lower layers, a jacquard weave layer is formed on the upper surface of the lining layer body, a patch layer is arranged on the upper surface of the jacquard weave layer, and a plurality of patches are arranged on the patch layer. The multifunctional anti-radiation bamboo-fiber gauze kerchief fabric has abundant functions and is anti-radiation.

The invention relates to overall compact, firm and anti-radiation fabric for a bamboo fiber gauze kerchief. The fabric is interwoven with cotton fiber yarn (1) as warp and bamboo fiber yarn (2) as weft, several pieces of core-spun yarn (3) are inlaid in each piece of cotton fiber yarn (1) and formed by coverage of metal ion fibers with silk, and the metal ion fibers are wave-shaped. A lining layer is composited on the back surface of the fabric, and the weave structure of the lining layer comprises sixty-eight weft-faced weave or warp-faced weave from left to right. The fabric is compact, firm and anti-radiation overall.