36results about How to "Inhibition of Diffusion" patented technology

The invention provides an LFMCW radar detection moving human body target method based on a human body model. The method comprises the steps that analog-to-digital conversion is carried out on an LFMCW radar echo beat signal; FFT processing is carried out on each PRI echo beat datum to acquire the LFMCW radar echo beat signal frequency domain data when a human body slowly moves, and rearranging is carried out in a slow time-distance domain two-dimensional plane; a Boulic human body walking model is constructed; according to the human body moving gait frequency and an initial phase range, a number of human body trunk moving models with different parameters are constructed on a gait frequency-initial phase two-dimensional plane; an LFMCW radar echo nonlinear phase compensation signal is reconstructed, and phase compensation is carried out on the rearranged data; FFT processing is carried out to acquire a four-dimensional space processing result; whether a target is in a distance unit is judged through constant false-alarm detection processing; and the information of distance, velocity and gait frequency of the target are acquired in the presence of the target. According to the invention, the signal-to-noise ratio of LFMCW radar detection is improved, and the human body target detection performance in strong ground clutter is improved.

The invention discloses a three-dimensional multidirectional rotational flow air curtain dust settling device and a method for a fully-mechanized excavation face. The three-dimensional multidirectional rotational flow air curtain dust settling device comprises an integrated excavator, wherein a pressing type air duct extending to a position above a tunneling facing head of the fully-mechanized excavation face is arranged at the upper part of the integrated excavator, a multidirectional rotational flow air curtain generating device is arranged at the front end of the pressing type air duct and comprises a barrel adaptive to the pressing type air duct, an axial and radial ratio adjsutign plate is arranged at the upper part of the barrel, a plurality of built-in guide screens are arranged at the lower part of the barrel, a plurality of radial air outlet clearances are formed between two adjacent built-in guide screens, an air outlet is formed at the bottom of the barrel, a wet dust removal fan is arranged at the bottom of the integrated excavator and is provided with a drawable air barrel, and the drawable air barrel extends to a position under the tunneling facing head of the fully-mechanized excavation face. Multi-directionally radial air flows impact the wall surface of a roadway and can blow to the whole cross section of the roadway at certain rotating speed along the wall surface of the roadway under the wall attachment effect, so that the multidirectional rotational flow air curtain capable of covering the whole cross section of the roadway can be formed.

The invention belongs to the technical field of medicines, and relates to phosphoramidate derivatives of nucleoside compounds, uses of the phosphoramidate derivatives, and a pharmaceutical compositioncontaining the compounds. The derivatives and pharmaceutical composition can be used as an antiviral reagent, especially an anti-novel coronavirus (SARS-CoV-2) reagent. The invention also relates toa method for preparing the compounds and the pharmaceutical composition, and the use of the derivatives and pharmaceutical composition to prevention or treatment of viral infections, including but notlimited to, Flaviviridae viral infections, Filoviridae viral infections, Enteroviridae viral infections, Orthomyxoviridae viral infections, Paramyxoviridae viral infections, coronaviridae viral infections, particularly novel coronaviridae (SARS-CoV-2) infections.

The invention provides a method for improving electromigration reliability of a metal connection wire. The method comprises the steps of providing a semi-conductor substrate, depositing a first medium layer on the semi-conductor substrate, and forming a first metal layer in the first medium layer through the single Damascus technology; depositing a first barrier layer on the first medium layer, forming a groove through etching, and exposing a the first metal layer; forming a first metal protective layer and filling the groove with the first metal protective layer; depositing a second medium layer, and forming a second metal layer on the second medium layer through the second Damascus technology; then forming a second metal protective layer and a sub-sequent metal layer and metal protective layer. The metal layers are covered with the metal protective layers to effectively improve adhesiveness of the surfaces of metal, particularly adhesiveness of the surface of copper, the diffusion phenomenon at the interface position of the upper surface of the metal and the barrier layer is depressed, and electromigration reliability of the metal connection wire can be effectively improved.

The invention discloses a fireproof super-hydrophobic coating, which comprises super-hydrophobic hierarchical-structure resin and a heat-resistant gas-barrier layer embedded in the super-hydrophobic hierarchical-structure resin, wherein the heat-resistant gas-barrier layer is a compact flaky montmorillonite layer with consistent orientation. The invention further provides a fireproof super-hydrophobic material. The fireproof super-hydrophobic material comprises a substrate material and the fireproof super-hydrophobic coating located on the surface of the substrate material. The invention alsoprovides a preparation method of the fireproof super-hydrophobic material. The fireproof super-hydrophobic coating and the fireproof super-hydrophobic material have the characteristics of excellent fireproof performance and hydrophobic performance.

The invention discloses an image synthesis method and device, an image synthesis device and a storage device. The intra-frame method comprises the steps of obtaining a first image and a second image of the same scene; dividing the first image and the second image into a plurality of blocks according to the same mode; respectively calculating a first weight and a second weight of each first image block and a third weight of each second image block; calculating an exposure gain ratio by using the second weight and the third weight; calculating a first fusion weight of the first image block and asecond fusion weight of the second image block by using the first weight, the third weight and the exposure gain ratio; at least using the brightness information of the first image block to judge whether weight adjustment is carried out; if yes, improving the second fusion weight and reducing the first fusion weight; and synthesizing the first image and the second image according to the adjustedfirst fusion weight and the adjusted second fusion weight to obtain a synthesized image. In this way, the edge abnormality of the composite image can be reduced, and highlight dispersion can be inhibited.

The invention discloses pipe powder for nodular cast iron. The formula of the pipe powder comprises the following components in percentage by weight: 62-70% of Si, 3-10% of Ba, 1-2% of Ca, 0.8-1.8% of Al, 0.5-1.5% of Fe3O4, the balance of Fe and inevitable microelements. According to the pipe powder for the nodular cast iron disclosed by the invention, the overall performance of the nodular cast iron can be improved, and the inoculation efficiency is improved.

The invention belongs to the technical field of medicines, and relates to a phosphoramidate derivative of a nucleoside compound and application thereof, and a pharmaceutical composition containing thecompound. The phosphoramidate derivative can be used as an antiviral reagent, especially an anti-SARS-CoV-2 reagent. The invention also relates to a method for preparing the compound and the pharmaceutical composition, and application of the compound and the pharmaceutical composition in preventing or treating viral infection, including but not limited to flaviviridae viral infection, filamentousvirology viral infection, enterovirus viral infection, orthomyxoviridae viral infection, paramyxoviridae viral infection and coronavirus viral infection, especially SARS-CoV-2 infection.

The invention provides a coating liquid for a thermal transfer metal zipper cloth tape, and a thermal transfer metal zipper and a preparation method thereof. The coating liquid for the thermal transfer metal zipper cloth tape provided by the invention includes, by mass, the following components: 20-40 parts of modified silicone resin; 5-30 parts of acrylic polymers; 2-8 parts of a crosslinking agent; 1-2 parts of a nonionic surfactant; 1-5 parts of acetic acid; and 20-60 parts of water. The coating liquid for the thermal transfer metal zipper cloth tape provided by the invention utilizes the modified silicone resin and the acrylic polymers as main components, and is combined with the crosslinking agent, the nonionic surfactant and the acetic acid, the components are matched by the dosagesto form a coating film with good quality and performance, a diffusion phenomenon of patterns in a transfer process can be effectively inhibited, and the color fastness of transfer patterns can be effectively improved; and in addition, a product after cross-linking is non-toxic and tasteless, and is environmentally friendly.

The invention discloses a traditional Chinese medicine preparation for inhibiting human immunodeficiency virus. The traditional Chinese medicine preparation is characterized by being prepared from the following traditional Chinese medicines in parts by weight: 10-30 parts of radix astragali, 5-15 parts of rhizoma atractylodis macrocephalae, 5-15 parts of radix paeoniae alba, 5-15 parts of codonopsis pilosula, 5-15 parts of radix rehmanniae preparata, 5-15 parts of lycium barbarum, 5-15 parts of fructus corni, 5-15 parts of fructus psoraleae, 5-15 parts of radix ophiopogonis, 10-20 parts of lucid ganoderma, 5-15 parts of human placenta, 15-30 parts of gecko, 5-15 parts of cassia twig and 5-15 parts of Chinese date. In accordance with the traditional Chinese medicine clinical characteristics of AIDs and the Clinical Technical Solution for Treating AIDs with Traditional Chinese Medicine (on Trial) formulated by the state administration of traditional Chinese medicine and in combination with the factors of climatic characteristics of Guangxi, constitutive characters, environmental factors, people conditions and the like, a therapeutic medicine suitable for most of the infected people in Guangxi is created, and the medicine has an effect of improving the related symptoms and signs of AIDs. The traditional Chinese medicine preparation for treating AIDs disclosed by the invention has a better effect of improving weakness, anorexia, breath shortness and lumbago when combined with antiviral drug than the treatment with antiviral drug only.

The invention discloses a preparation method of a dust suppressant with a photocatalytic degradation function, which is characterized in that a natural multi-hydrophilic group material which is wide in source, green, non-toxic and easy to degrade is used as a synthetic matrix material of the dust suppressant, and is subjected to cross-linking reaction with a film-forming agent and a moisture absorbent under the action of a cross-linking agent to prepare the dust suppressant with the photocatalytic degradation function. The preparation method comprises the following steps: firstly preparing a hydrophilic group-containing dust suppressant, forming the dust suppressant which is rich in hydrophilic groups, has a net-shaped structure and has wetting, consolidation and coagulation properties, and carrying out coupling grafting reaction on the prepared dust suppressant and coupling agent-modified nano TiO2, so that the nano TiO2 is loaded on the prepared dust suppressant, and finally, the dust suppressant with a photocatalytic degradation function is prepared. The dust suppressant disclosed by the invention is green, environment-friendly, easy to degrade, excellent in dust suppression performance, simple to apply and wide in application range, has a photocatalytic degradation function, can be applied to atmospheric dust fall, dust suppression of a construction working surface, dust suppression of a material pile, dust suppression of road transportation and sand fixation of soil, and has important significance in improving the quality of ambient air.

The invention discloses a nanometer porous gold composite electrode material modified by a nanometer metal oxide and a preparation method thereof. In the nanometer porous gold composite electrode material modified by the nanometer metal oxide, a nano-scale metal oxide is filled into pores of a nanometer porous gold film; the pore diameter of the nanometer porous gold film is 2-60 times the particle size of the metal oxide; the pore diameter of the nanometer porous gold film is 8-120 nanometers, and the porosity is 30-65 percent; the metal oxide is at least one metal oxide of Ti, Co, Sn, Ce, Eu and Dy; and the particle size of the metal oxide is 2-15 nanometers. The nanometer porous gold composite electrode material modified by the nanometer metal oxide has high structural stability and efficient catalytic performance, and is low in cost. The poisoning resistance is improved greatly, and the service life of an electrode is prolonged. The nanometer porous gold composite electrode material has the advantages of simple preparation process, convenience in operation, high repeatability, environmental friendliness and easiness in batch production.

The invention provides a water-soluble fertilizer for radically treating dead seedlings and rotted roots of vegetables and fruit trees in continuous cropping, belonging to the technical field of agriculture. The water-soluble fertilizer comprises the following raw materials in parts by weight: 10-15 parts of ammonium bicarbonate, 6-13 parts of urea, 10-15 parts of ammonium dihydrogen phosphate, 5-10 parts of potassium sulfate, 5-10 parts of calcium chloride, 5-10 parts of magnesium nitrate, 8-16 parts of humic acid, 4-9 parts of amino acid, 2-6 parts of micronutrient elements, 0.7-1.2 parts ofmixed strains, 1-5 parts of a traditional Chinese medicine composition, 0.02-0.05 part of indoleacetic acid, 4-8 parts of glutamic acid and 1.6-2.7 parts of sodium dodecyl benzene sulfonate. The water-soluble fertilizer can effectively improve the micro-ecological environment of soil, enhance soil fertility, promote the growth and development of root systems, improve the nutrient absorption capacity of root systems and avoid the dead seedlings and rotted roots of vegetables and fruit trees.

The invention provides a flying dust eliminating device for a concrete mixer on the basis of a green building construction site. The flying dust eliminating device comprises a water storage box, a water suction pump, a flow guide spraying pipe, supporting columns, moving wheels, a dustproof cover, an illuminating lamp, limiting spring rings, a concrete mixer main body, a dust removal spraying discstructure, a side-surface flying dust collecting hopper structure, a liftable suspension arm rod structure, a flying dust diffusion-preventing curtain structure, a control box, a rear-part dust shielding door, a sealing handle and an L-shaped buckle. According to the invention, under the action of the water suction pump, water in the water storage box is pumped into the gap between an outer protection shell and a lining disc through the flow guide spraying pipe, and spray mist is formed through spraying nozzles, so the effect of inhibiting diffusion of flying dust is achieved; lifting of a lifting air cylinder is controlled, and the angle of the spraying nozzles is adjusted, so the requirement of dust inhibition is met; a hand pull rope is pulled to unfold a shielding curtain, so the effect of preventing the flying dust from diffusing is achieved; and the flying dust falls into a dust collecting hopper under the action of gravity, and the dust collecting hopper is detached from a balance weight strip regularly, so dust is dumped.

The invention discloses a penetrating agent composition for improving emergence rate of peanut seeds. The penetrating agent composition is a peanut seed treating agent in a solid dosage form, which is prepared by mixing dry red soil, carbonized chaff and water taken as main ingredients with carbendazim taken as an auxiliary material according to the ratio of 50:2:4:1, and before seeding, peanut seeds are pretreated by using 2.4kg of the penetrating agent composition for 14kg/mu of peanut seeds. By mixing the penetrating agent composition with the seeds before seeding, moisture in the composition infiltrates into the peanut seeds, so that the effective moisture content of the peanut seeds is increased, cell membrane structures of the peanut seeds are repaired, meanwhile, potassium in the carbonized chaff can be absorbed by the seeds through water permeability so as to improve the stress resistance of the seeds and adsorb harmful gas emitted from the seeds, and by utilizing the sterilization and bacteriostasis of the carbendazim, various viruses and mildew in the process of seed germination are effectively restrained, and the vitality and the germination and emergence rates of the peanut seeds are significantly improved.

The utility model relates to a shuttle cloth trolley with an automatic retractable and sealed roller shutter device, which belongs to the technical field of cloth processing equipment. The telescopic end of the sealed roller blind is fixed on the shuttle fabric trolley through the locking device, and covers the idle chute with the movement of the shuttle fabric trolley; the spring reel is fixed at the end of the shuttle fabric trolley, and the spring and sealing roll The curtain is connected, and the sealed roller blind is automatically curled into the spring drum under the action of the spring force; a photoelectric switch for detecting whether the sealed roller blind is automatically retracted is installed on the shuttle fabric trolley. The invention installs the sealing device, which covers the idle chute with the movement of the trolley, controls the dust in a controllable space, and suppresses the spread of dust; the photoelectric switch installed on the fabric trolley is used to detect whether the sealing roller blind is automatically retracted. When the roller blind is found to be uplifted, the photoelectric switch will output a stop signal, and the fabric trolley will stop running immediately, and the maintenance personnel will be notified to troubleshoot on site to prevent the sealed roller blind from being crushed by the fabric trolley.

The invention discloses an anti-dispersion structure of an electron multiplying charge-coupled device(EMCCD). According to the structure, an anti-dispersion channel is arranged in an imaging unit in an imaging area of the EMCCD; signal channels in the imaging unit in the imaging area of the EMCCD are arranged on two sides of the anti-dispersion channel. Excess photon-generated carriers generated due to glare irradiation or relatively over long light integrating time overflow to the anti-dispersion channel, and are converted into current to be released through the anti-dispersion channel, so as to inhibit dispersion phenomenon. According to the anti-dispersion structure, not only a low-light level imaging system based on the EMCCD has higher response sensitivity, but also the dynamic range of the low-light level imaging system taking the image sensor of the EMCCD as a core device is greatly broadened.