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1189results about How to "Prevent invasion" patented technology

Semiconductor device and method for forming the same

In a thin-film insulated gate type field effect transistor having a metal gate in which the surface of the gate electrode is subjected to anodic oxidation, a silicon nitride film is provided so as to be interposed between the gate electrode and the gate insulating film to prevent invasion of movable ions into a channel, and also to prevent the breakdown of the gate insulating film due to a potential difference between the gate electrode and the channel region. By coating a specific portion of the gate electrode with metal material such as chrome or the like for the anodic oxidation, and then removing only the metal material such as chrome or the like together with the anodic oxide of the metal material such as chrome or the like, an exposed portion of metal gate (e.g. aluminum) is formed, and an upper wiring is connected to the exposed portion. Further, an aluminum oxide or silicon nitride is formed as an etching stopper between the gate electrode and the gate insulating film or between the substrate and the layer on the substrate, so that the over-etching can be prevented and the flatness of the element can be improved. In addition, a contact is formed in no consideration of the concept "contact hole".
Owner:SEMICON ENERGY LAB CO LTD

Seed coating agent special for direct seeding rice

InactiveCN101310582AEfficiently regulate changes in moisture contentRegulating changes in moisture contentSeed coating/dressingDiseaseAdditive ingredient
The invention discloses a seed coating agent specially used for direct seeding rice, which is characterized in that the seed coating agent mainly contains the following ingredients by weight: 2 to 8 percent of super absorbent resin, 1 to 5 percent of oxygenates, 0.1 to 0.5 percent of sparrow and rat destruction agent , 0.5 to 2 percent of bactericide, 0.5 to 2 percent of pesticide, 0.02 to 0.2 percent of plant growth regulator, 3 to 10 percent of trace element fertilizer and the margin is special type mineral clay. The powder raw materials are crushed to more then 100 meshes and are mixed evenly, the mixture is coated on the surfaces of rice seeds by a seed-coating method for direct sowing, thus clay sacculus integrating 'a small water reservoir, a small oxygen reservoir, a small drug storage and a small fertilizer storage' are formed around the rice seeds and at the roots of seedlings; the seed coating agent has the effects of preserving and providing water, ventilating and providing oxygen, promoting seedling emergency, preventing diseases and killing pests, preventing mice and destructing sparrows, strengthening seedlings and roots and increasing production. The seed coating agent is also characterized by low dosage, low cost, simple and convenient operation, and the like, thereby being applicable to coating rice seeds which are directly sowed both on flooded paddy fields and dry paddy fields.
Owner:JIANGSU LIXIAHE REGION AGRI RES INST

Simulation method for makeup trial and the device thereof

A simulation method for makeup trial and the device thereof are disclosed, which utilize an image sensor and a deep sensor to establish a 3D image according to a target image of a user and a profile signal, such as the lips, eyes or the entire face, and provide makeup data for the makeup product. A user can select a corresponding makeup product using a touch panel. The simulation device for makeup trial reads makeup material data and application skill information via a network or a makeup data extension card, and displays a makeup post-application image on a display module. The present invention is capable of immediately calculating makeup effects when the user turns his or her head.
Owner:INSTITUTE FOR INFORMATION INDUSTRY

Use of biomolecular targets in the treatment and visualization of brain tumors

The present invention relates to the use of proteins that are differentially expressed in primary brain tumor tissues, as compared to normal brain tissues, as biomolecular targets for brain tumor treatment therapies. Specifically, the present invention relates to the use of therapeutic and imaging agents, which specifically bind to one or more of the identified brain tumor protein targets. The present invention also provides compounds and pharmaceutically acceptable compositions for administration in the methods of the invention. Nucleic acid probes specific for the spliced mRNA encoding these variants and affinity reagents specific for the novel proteins are also provided.
Owner:MEDAREX INC

Monoclonal antibody for anti-human CEA, a composition containing same and application thereof

The invention relates to a mouse monoclonal antibody of anti-human carcino-embryonic antigen (CEA) resisting colorectal neoplasm activity, prepared by a biological technology. The method comprise a method for detecting CEA family protein by utilizing the antigen-combining capacity specificity of the mouse monoclonal antibody CC4 of anti-human CEA and a neoplasm treatment method by utilizing the colorectal neoplasm activity. The antibody can be used for specifically recognizing the human CEA at molecular, cellular and texture levels and recognizing a special antigen epiposition widely distributed in the CEA family protein. The CC4 is specifically combined with colorectal neoplasm texture at the texture level and presents stronger capabilities of restraining neoplasm growth, neoplasm metastasis, neoplasm invasion in an animal model and at the cellular level. The antibody and detection and treatment methods based on the antibody can become an effective neoplasm diagnosis and treatment tool in basal research or clinical application.
Owner:INSITUTE OF BIOPHYSICS CHINESE ACADEMY OF SCIENCES

Protogenic alpine azalea introduction and acclimatization method

The invention discloses a method for cultivating original alpine cuckoo, which comprises following steps: setting brandreth with its height being one meter in green house or booth, placing permeable and ventilating plastic crate on brandreth, feeding the plastic crate with 50-70% of humus soil or sward, 20-30% of perlite and 10-20% of decomposed wood dust, taking said mixing soil as culture medium, laying planus on said mixing soil, sowing original alpine cuckoo seed on planus, watering with normal procedure. The rate of emergence is 85%, and it is suitable to be used in south part of China.
Owner:戴悦

Traditional Chinese medicine composition for treating burn and preparation method thereof

The invention relates to a traditional Chinese medicine composition for treating burn, comprising an oral medicine and an externally applied medicine, wherein the oral medicine is prepared from angelica sinensis, hemlock parsley, astragali, pseudo-ginseng, sanguisorba, safflower, radix rehmanniae, spatholobus stem, baikal skullcap root, giant knotweed, oldenlandia diffusa, dangshen, tuckahoe, white atractylodes rhizome and red peony root; and the externally applied medicine is prepared from myrrh, mastic, rhubarb, pseudo-ginseng, safflower, draconis sanguis, natural indigo, gromwell, fried sanguisorba, giant knotweed, carpet bugle, borneol and phellodendron bark. The traditional Chinese medicine composition provided by the invention is convenient to use and coat on an affected part for skin absorption, is easy to wash off and convenient to change dressing, can keep the surface of a wound wet, can prevent bacterial invasion, is capable of quickly alleviating pain, diminishing inflammation and relieving itching, and can promote the surface of a wound to heal quickly and reduce scar. In addition, the traditional Chinese medicine composition has short period of treatment, an obvious curative effect and no obvious toxic or side effect, has obvious efficacies of antibiosis, alleviating pain, subduing swelling, diminishing inflammation, adsorbing, converging, removing necrosis and promoting granulation, and is used through oral administration and external application with quite good effect.
Owner:陈远征

Lactobacillus kefiri KL22 as well as screening method and application thereof

InactiveCN104560793AGood acid and bile salt resistanceGood adhesion to the intestine and inhibition of pathogenic bacteriaMilk preparationBacteriaLaboratory cultureBacilli
The invention discloses a lactobacillus kefiri KL22 as well as a screening method and application thereof. The strain is collected in China General Microbiological Culture Collection Center (CGMCC) on September 16, 2014 and has a collection number of CGMCC No. 9669. Screened kefiri grains are sequentially subjected to separation, purification, a sugar fermentation characteristic experiment, a molecular biology identification, acid and bile salt tolerance characteristic experiment, an intestinal cell adhesion characteristic experiment, a harmful bacteria inhibition experiment and a strain fermentation characteristic experiment to finally screen lactobacillus kefiri KL22. The screened KL22 can be used for preparing yogurt, lactic bacteria drinks and bacterial powder preparations containing lactobacillus kefir KL22. The method is suitable for screening the lactobacillus kefiri KL22 which is used for preparing functional dairy products and probiotics powder containing lactobacillus kefiri KL22.
Owner:JUNLEBAO DAIRY GRP CO LTD

Treating neoplasms with neurotoxin

The present invention provides a method of treating a cancer using a neurotoxin, preferably Botulinum toxin (“BTX”). The application of a neurotoxin around a cancer acts to decrease the contractile forces of the muscles surrounding a neoplasm which normally squeeze cancer cells through efferent channels leaving the cancer vicinity to distant sites. Also, the application of the toxin at sites distant from the cancer enhances cellular and humoral immunologic functions which further contributes to cancer cell death and spread. Following administration of botulinum toxin around and distant to a cancer, it is noticed that local, regional, and distant spread is reduced or eliminated. Immunomodulation with botulinum toxin is also valuable in treating other disease that may or may not be associated with cancers, such as viral-induced growths, viral conditions, fungal disease, chronic wounds, graft versus host disease, autoimmune disease, and HIV.
Owner:TOXCURE

Single-stranded circular RNA and DNA and preparation method and application thereof

The present invention provides a single-stranded circular RNA and DNA, and a preparation method and application thereof, the single-stranded circular RNA and DNA can adsorb a single-stranded circularRNA or a single-stranded circular DNA of miRNA, thereby overcoming the disadvantage that a traditional single-stranded RNA is easily degraded and has low efficiency, and can release tumor suppressor gene ''co-silencing'' caused by the miRNA. The single-stranded circular RNA or DNA prepared by the method can specifically adsorb the target miRNA so as to inhibit the proliferation, migration and invasion of tumor cells and promote the apoptosis of the tumor cells, can regulate the proportion of immune cells, has good anti-tumor and immune regulation effects, and is expected to be developed as a therapeutic drug for tumors or immune diseases.
Owner:TIANLIKANG TIANJIN TECH CO LTD

Semiconductor device having a guard ring

A multilayer interconnection structure of a semiconductor device includes a first guard ring extending continuously along a periphery of a substrate and a second guard ring extending continuously in the multilayer interconnection structure along the periphery so as to be encircled by the first guard ring and so as to encircle an interconnection pattern inside the multilayer interconnection structure, wherein the first and second guard rings are connected with each other mechanically and continuously by a bridging conductor pattern extending continuously in a band form along a region including the first and second guard rings when viewed in the direction perpendicular to the substrate.
Owner:FUJITSU SEMICON LTD

Image capturing apparatus

An image capturing apparatus illuminate and captures an image of an object using reflected light from the object. In the apparatus, a plurality of light-emitting devices are mounted in the periphery of an image sensor, and the light of the plurality of light-emitting devices is guided to an image capturing region by a light guide member for illumination. On the image capturing apparatus having the image capturing system disposed close to the illumination system, a hood is provided for optically intercepting the image capturing system from the illumination system, with a flange disposed thereon. The light reflected on the upper face of a filter can be intercepted from being incident on an image capturing system unit. Accordingly, output light not irradiating the object and causing an image capturing noise can be intercepted, which is effective for a clear photographed image.
Owner:FUJITSU LTD

Oil peony high-yield cultivation method

The invention discloses an oil peony high-yield cultivation method and belongs to the technical field of agriculture. The method includes the steps of land selection and soil preparation, sowing and seedling cultivation, transplanting, field management and disease and pest prevention. The method is easy to operate and suitable for large-scale application and popularization. By the adoption of reasonable fertilizer nutrition matching, nutrition requirements of oil peony growth in all stages are met, so that cultivated oil peonies are high in yield, high in seed setting rate and high in oil content. Natural traditional Chinese medicine components are adopted to serve as sterilization agents to process seeds, invasion of diseases and pests is prevented, the seedling emergence rate is increased in the seedling cultivation process, and disease resistance in the seedling cultivation process is improved. Besides, traditional Chinese medicine components are selected and used to serve as disease-resistant agents in the cultivation process, use of chemical pesticide components is reduced, environmental pollution is reduced, and the plant safety coefficient is obviously increased.
Owner:临沂真源观光农业科技有限公司

External traditional Chinese medicine preparation for treating chronic wounds and preparation method thereof

The invention provides an external traditional Chinese medicine preparation for treating chronic wounds, which is prepared from the following raw medicines in parts by weight: 10-20 parts of draconis sanguis, 10-20 parts of chuanxiong rhizome, 10-20 parts of notoginseng, 10-20 parts of fried sanguisorba, 10-20 parts of safflower, 10-20 parts of spatholobus stem, 10-20 parts of giant knotweed, 10-20 parts of oldenlandia, 10-20 parts of red sage root, 10-20 parts of herba patriniae, 10-20 parts of moutan bark, 10-20 parts of myrrh, 10-20 parts of mastic, 10-20 parts of rhubarb, 10-20 parts of natural indigo, 10-20 parts of gromwell, 10-20 parts of catechu, 10-20 parts of borneol, 10-20 parts of phellodendron bark and 10-20 parts of boneset. The external traditional Chinese medicine preparation provided by the invention can promote healing of infectious wounds, increase pus, enhance qualitative viscosity and regenerate granulation to enable the wounds to quickly heal, has an obvious effect on treating wound infection, and can be used for treating partial ulcer, removing necrotic tissue and promoting granulation, accelerating the degeneration process of the necrotic tissue, promoting dilation of capillary vessels, accelerating microcirculation of the capillary vessels and filling the wounds.
Owner:李惠斌

Compound microbial agent for preventing and treating banana wilt disease and prevention and treatment method

The invention relates to the field of banana cultivation, in particular to a compound microbial agent for preventing and treating a banana wilt disease and a prevention and treatment method. The compound microbial agent comprises paenibacillus polymyxa, bacillus subtilis, bacillus thuringiensis, pseudomonas stutzeri, bacillus amyloliquefaciens, cold-resistant brevibacteriaceae, trichoderma and metarrhizium anisopliae. By means of a reasonable proportion, all strains are mutually influenced and promoted, and the prevention and treatment effect on the banana wilt disease is greatly improved. The prevention and treatment method of the banana wilt disease can effectively adjust the composition of bacterial colonies in soil, promote growth and propagation of probiotics and antagonistic bacteria in the soil, rapidly restore and stabilize the balance of the bacterial colonies in the soil, prevent and treat occurrence and spread of the banana wilt disease, effectively decrease the occurrence rate of the banana wilt disease and maintain the stable and high yield of bananas.
Owner:SOUTH SUBTROPICAL CROPS RES INST CHINESE ACAD OF TROPICAL AGRI SCI

Shrimp preservative containing pulullan polysaccharide

The invention discloses a shrimp preservative which comprises the following basic components: 0.5-50g / L of pulullan polysaccharide, 0-1g / L of natamycin, 0-5g / L of nisin from streptococcus lactis, 0-20g / L of ascorbic acid, 0-10g / L of polyglutamic acid, 0-20g / L of other antioxidants, 0-30g / L of other antibacterial components, 0-20g / L of other gum components and water as a solvent. When shrimps are soaked, sprayed and / or rubbed with the preservative, the refreshing time of the treated shrimps can be effectively prolonged for 3-4 days. The preservative has the advantages of good filming and preservation property, high security, high antibacterial and anti-oxidation efficiency, long action time and the like.
Owner:SHANDONG ACADEMY OF PHARMACEUTICAL SCIENCES

Biogenic composite pork preservative

The invention relates to a biogenic composite pork preservative. The biogenic composite pork preservative comprises 4.0-4.8% of a bacterial depressant, 10-14% of a synergist, 27-33% of Chinese herbal medicine extract A, 16-20% of Chinese herbal medicine extract B and the balance water. The bacterial depressant contains nisin, natamycin, lysozyme, chitosan and propolis supercritical CO2 extract. The synergist contains acetic acid, vitamin C, vitamin E and sodium lactate. The Chinese herbal medicine extract A is prepared through extracting grape seeds, garlic, clove, cassia bark, rosemary, pepper and ginger through an ethanol extraction method and then blending the extract products, Origanum vulgare L. essential oil and tea crude extract. The Chinese herbal medicine extract B is prepared through water extraction of konjak, Chinese honeylocust fruits, rheum officinale and pomegranate peel. The biogenic composite pork preservative has a reasonable formula, is safe for eating, can be prepared by simple processes, is convenient for operation in use and has good fresh-keeping effects.
Owner:尹浩

Quantum dot LED package structure

The invention provides a quantum dot LED package structure which includes a nonmetal bracket, an LED chip, a first barrier layer, a quantum dot silica gel layer, a second barrier layer, and an undopedsilica gel layer. The quantum dot silica gel layer can improve the color gamut and color saturation of a liquid crystal display. The first barrier layer can radiate the LED chip and stop outside water oxygen from invading the LED chip. The second barrier layer can stop outside water oxygen from invading the quantum dot silica gel layer and the LED chip and achieve a further radiating effect. Thus, the quantum dot LED package structure of the invention provides an environment isolated from water oxygen and having a good radiating effect for quantum dots, and can improve the luminescence efficiency and service life of quantum dots. Compared with the existing quantum dot LED package structure, the quantum dot LED package structure of the invention has high reliability and low production cost, and can help to easily realize a narrow-bezel liquid crystal display.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD

Anticancer compounds and methods

The testing of tumor cells, including human tumors capable of metastases, in assays employing fibronectin-depleted substrates is described. Ex vivo induction of cells, including biopsied human cells, is performed with invasion-inducing agents. Additionally, anti-cancer chemotherapeutics are described. Specifically, chemotherapeutic agents which have anti-metastatic and anti-growth properties are described including non-peptide compositions of matter.
Owner:RGT UNIV OF MICHIGAN

Rhodiola crenulata essence with skin softening and anti-wrinkle effects

The invention discloses rhodiola crenulata essence with skin softening and anti-wrinkle effects. The rhodiola crenulata essence is mainly prepared from rhodiola crenulata extract, ganoderma lucidum extract, cordyceps sinensis extract, saffron extract, saussurea involucrata extract and corresponding adjuvants. The rhodiola crenulata essence, which is prepared by effectively compounding the natural-activity extracts of rhodiola crenulata, ganoderma lucidum, cordyceps sinensis, saffron, saussurea involucrata and the like together and mixing with the adjuvants, can promote skin metabolism, enhance activity, eliminate injuries caused by oxygen free radicals, improve the skin elasticity, enable the skin to keep tight, young and smooth, and realize effects of excellent deep-moisturizing, whitening, freckle removing and skin softening, thus slowing down the aging of organisms.
Owner:西藏藏药集团股份有限公司

Special slow release fertilizer for sugarcane

The invention provides a special slow release fertilizer for sugarcane. The special slow release fertilizer sequentially comprises a first fertilizer layer, a first film coating layer, a second fertilizer layer, a second film coating layer, a third fertilizer layer and a third film coating layer at a weight part ratio of (4-6) to (1-2) to (6-8) to 1 to (10-12) to (2-3) from inside to outside, wherein the first fertilizer layer is a fermented product of animal manure, marine product leftovers and a microorganism fermenting agent; the first film coating layer is a mixture of bentonite and acrylic resin; the second fertilizer layer is a fermented product of sugar filtering mud, molasses, saw dust, straws, traditional Chinese medicine liquid, yeast waste liquid and a fermentation bacterium agent; the second film coating layer is a mixture of zeolite and attapulgite; the third fertilizer layer is a mixture of a nitrogenous fertilizer, a phosphatic fertilizer, a potash fertilizer and traditional Chinese medicine residues; the third film coating layer is beta-cyclodextrin. The fertilizer is enriched with nitrogen, phosphorus, potassium and microelements; fermentation products and traditional Chinese medicine extracts are added into the fertilizer, and the continuous absorption and utilization on nutrition by the sugarcane are increased so that the releasing time of the fertilizer in soil is prolonged.
Owner:广西宁明百事康生物工程有限公司

Method for repairing concrete crack with multi-cracking cement-based composite

The invention belongs to the technical field of concrete reinforcement and relates to a method for repairing a concrete crack, which uses multi-cracking cement-based composite to be covered on the outer surface of the concrete as a repairing layer and is characterized in that firstly, the periphery of the crack on the outer surface of the concrete is polished smooth or an isolating layer is arranged, and then the multi-cracking cement-based composite slurry is poured or a thin layer of slurry is poured first and then a precast slab is covered; and the weight ratio of components of the multi-cracking cement-based composite is that: cement: water: fine aggregate: fly ash: silicon ash: granulated blast furnace slag: metakaolin =1:(0.27-2.2):(0-3):(0-6.9):(0-0.3):(0-0.55):(0-0.4), and fiber of which the volume accounts for 1-3% of the total volume of the composite is also blended. The repairing layer leads the width of the crack to be less than 0.05mm under the action of the external shrinkage stress, can prevent the forming of penetrating cracks and can be widely used for repairing concrete structure cracks of concrete pavement, airport runways, anti-cracking belt of dam and bridge surface plate.
Owner:浙江固邦新材料有限公司

Bio-organic fertilizer with straw powder as main material, and preparation method thereof

The invention discloses a bio-organic fertilizer with straw powder as a main material. The bio-organic fertilizer is composed of, by weight, 50-60 parts of the straw powder, 15-20 parts of rapeseed meal, 6-8 parts of alfalfa meal, 4-5 parts of common achyranthes herb powder, 2-4 parts of garden soil, 5-6 parts of flour, 8-10 parts of vinegar residues, 6-10 parts of soy sauce residues, 4-6 parts of shell powder, bran 10-20 parts of unite bran, 3-4 parts of salvia prionitis powder, 5-7 parts of river mud, 50-60 parts of swill, 8-10 parts of brown sugar and 60-80 parts of faeces of human and animals. The bio-organic fertilizer produced by the method has high organic matter content, and can improve soil quality and soil structure, thereby keeping ecological balance. Besides, the bio-organic fertilizer is comprehensive in nutrition and contains macroelements and microelements required by crops and a large amount of active substances produced during a microbial fermentation process.
Owner:陆玉

Soil conditioner for treating saline-alkali soil

The invention discloses a soil conditioner for treating saline-alkali soil, and belongs to the technical field of agricultural production. The soil conditioner is prepared by diatomite, attapulgite, halophilic bacteria, humic acid, fulvic acid and biological floras, 300 kilograms of water is added into fungi in the biological floras to prepare an aqueous solution, and the diatomite, the attapulgite and the halophilic bacteria are added into the aqueous solution; then the humic acid and the fulvic acid are mixed to be added into the aqueous solution to be mixed, and therefore particles are obtained. In tillage, the soil conditioner is applied along with bottom fertilization in soil turning, and can promote rapid growth of crops and increase the yield and incomes, and the quality of fruits is remarkably improved.
Owner:张大奇

Planting method and irrigation apparatus for drought and hot climate zone

The method of planting tree at drought and high temperature region includen digging pit, filling moist soil with fertilizer and pesticide in water impermeable and gas permeable bag, planting sapling, putting the sapling pit, watering, putting a gas permeable bag around the tree truck. The lower end of the bag is embedded in soil. The top part of the bag is tied. The said method can prevent the trunk from baking of high temperature sand, can effectively collect rain fall, can reduce the evaporation of water on its surface. The survical rate can be higher than 90%. The accompanied irrigating device can reduce equipment cost, saving energy and water. The utilization rate of water can be higher than 90%.
Owner:LANTIAN PRACTICAL TECH INST YINCHUAN

Liquid processing apparatus, liquid processing method, and storage medium

A liquid processing apparatus 1 comprises a casing 5, a substrate holding mechanism 20 that holds a wafer (substrate to be processed) W, a process-liquid supplying mechanism 30 that supplies a process liquid, a draining cup 12 that receives a process liquid, and a draining pipe 13 that discharges a process liquid outside. The process-liquid supplying mechanism 30 includes a first chemical-liquid supply mechanism that supplies a hydrofluoric process liquid, and a drying-liquid supplying mechanism that supplies an organic solvent for drying a wafer W. A control part 50 causes the first chemical-liquid supplying mechanism to supply a hydrofluoric process liquid, and then causes the drying-liquid supplying mechanism to supply an organic solvent. In addition, before the control part 50 causes the drying-liquid supplying mechanism to supply an organic solvent, the control part causes a cleaning mechanism 10 to remove an alkaline component in a casing 5.
Owner:TOKYO ELECTRON LTD

Fire-control remote visible alarming and remote control fire extinguishing system

ActiveCN103585736AReal-time field monitoring of fireQuick realization of the duty roomFire rescueClosed circuit television systemsEngineeringEmergency situations
The invention discloses a fire-control remote visible alarming and remote control fire extinguishing system which is composed of a front-end detecting and sensing system, a middle-end signal processing transponder and a terminal remote emergency command platform. A box body connecting socket of a fire-control detecting and sensing box is electrically connected with a temperature sensor and a temperature sensing trigger switch through signal wires, and the fire-control detecting and sensing box emits a wireless signal to be communicated with the intelligent control host of the middle-end signal processing transponder. The relay AP of the middle-end signal processing transponder receives and emits a wireless WIFI network card to be communicated with a terminal router and a network switch. The system is adopted for real-time field monitoring and in-time feedback so as to realize functions of remote visible alarming, remote visible control fire extinguishing, remote scheduling of nearby firefighters for rescue and remote emergency command for rescue and disaster relief at first time to furthest avoid or reduce the loss caused by fire.
Owner:上饶市广丰区金盾系统科技有限公司

Large-diameter multi-pass pin-less friction stir processing method for fabricating fiber-reinforced metal matrix composites

The invention discloses a large-diameter multi-pass pin-less friction stir processing method for fabricating fiber-reinforced metal matrix composites. Firstly, metal matrix sheets are ground and cleaned in advance; secondly, a preprocessed fiber net or unidirectional fiber bundle is clamped between the two metal matrix sheets in a prearranging manner, and needs to be completely covered and sufficiently protected by the covering sheets; meanwhile, a pin-less friction stir tool is slightly inclined and mounted; the pin-less stool is started to rotate to rub the surface of the covering sheet and move, a plastic deformation gradient field generated by the forging and torsional effects of the shoulder is utilized, consequently, not only can the oxide skin of the metal matrix interface be broken, but also the metal matrix which heats to be softened can plastically flow around the fibers to wrap the fibers, and thereby the fiber / matrix and the matrix / matrix interfaces can be compactly combined. A pin-less stir head with a large diameter more than 40mm to 50mm is adopted to carry out multi-pass multi-layer friction stir processing, and thereby a large, thick fiber-reinforced metal matrix composite plate can be produced. The addition of brazing filler metal can solve the contradiction between fiber injury and interface bonding improvement.
Owner:XI AN JIAOTONG UNIV

Brain probe and method for manufacturing same

ActiveUS8229539B1Suppression of reception sensitivity reductionHigh sensitivityLine/current collector detailsHead electrodesBiomedical engineeringMetal
A brain probe includes: a core probe made from a metal; and n electrode plates attached so as to cover an entire side surface circumference of the core probe and forming n side planes providing an n-angular cross section (n is an integer equal to or greater than 3). Each of the electrode plates is manufactured by a LSI manufacturing process, and provided with at least one electrode and a lead-out wiring extending in a longitudinal direction of a side plane from each of the at least one electrode.
Owner:TOHOKU MICROTEC +1
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