526results about How to "Low absorption rate" patented technology

A system and method for reducing the Specific Absorption Rate (SAR) of a mobile communication device employs a sensor assembly for sensing when the mobile communication device is in proximity to a body such as a human body, animal body, or the like. The average power of the radio frequency electromagnetic energy radiated by the mobile communication device may then be reduced only when necessary so that the SAR value for the device is maintained below a predetermined acceptable level.

The present invention includes a backlight system incorporating a back reflector and/or a lamp cavity reflector constructed of a multilayer optical film.

The invention provides a particulate composition adapted for forming a bone graft substitute cement upon mixing with an aqueous solution, including i) a calcium sulfate hemihydrate powder having a bimodal particle distribution and a median particle size of about 5 to about 20 microns, wherein the calcium sulfate hemihydrate is present at a concentration of at least about 70 weight percent based on the total weight of the particulate composition; ii) a monocalcium phosphate monohydrate powder; and iii) a β-tricalcium phosphate powder having a median particle size of less than about 20 microns. Bone graft substitute cements made therefrom, a bone graft substitute kit comprising the particulate composition, methods of making and using the particulate composition, and articles made from the bone graft substitute cement are also provided.

The invention relates to relates to a method for preparing a composition containing 1,3-di-unsaturated fatty acyl-2-saturated fatty acyl glyceryl ester, particularly containing 1,3-di-oleoyl-2-palmitoyl glyceryl ester (OPO), which comprises the steps of: carrying out random ester exchange on an ester rich in saturated fatty acid residue and an ester rich in unsaturated fatty acid residue serving as reaction substrates, and carrying out enzymatic oriented ester exchange on the reaction mixture and unsaturated fatty acid or unsaturated fatty acid ester. The invention also provides application of the composition to preparing formula milk powder for infant and preparing synthetic food for infant, and the formula milk powder for infant and the synthetic food for infant containing the composition.

A biodegradable tape with antibiotic properties is disclosed. The tape may be used in a method of the invention to wrap a surgical implant such as a surgical screw thereby providing a tighter fit and antibiotic effects on the surrounding environment. The tape is produced in a range of widths, lengths and thicknesses to meet particular needs. The tape may be produced in two or more layers which layers can entrap and provide for controlled release of an antibiotic.

An absorbent article has a body facing side which is positioned against the users body. The absorbent article is made of, at least, a backsheet, an absorbent core, and a composite topsheet. The backsheet is opposite the body facing side. The absorbent core is between the backsheet and the body facing side. The composite topsheet is between the absorbent core and the body facing side. The composite topsheet includes a resilient three dimensional apertured formed film, a nonwoven web small scale apertures, and large scale apertures. The formed film is between the absorbent core and the body facing side. The formed film has a male side and a female side opposite the male side, and small scale apertures with a mesh count. The nonwoven web of fibers is between the formed film and the body facing side of the absorbent article. The large scale apertures extend through the nonwoven web and the formed film. The large scale apertures have a mesh count which is less than the mesh count of the small scale apertures.

The invention discloses a hydrogen production system by utilizing thermochemical reaction thermally driven by solar energy under medium-lower temperature, which comprises a material supplying device for storing materials required for producing hydrogen, a material mixing device for mixing raw materials and non-reactants, a material measuring device for controlling the volume of raw materials sent into a preheater per unit time, the preheater for preheating raw materials, a solar energy absorption reactor for driving raw material to carry out reforming reaction by utilizing absorbed solar energy heat, a solar energy collector for aggregating solar energy with low energy flow density into medium-lower temperature heat energy with high energy flow density in a form of line focus so as to provide heat for material reforming reaction, a condenser for cooling reaction products, a gas-liquid separator for separating gas and liquid of a mixture, and a PSA (pressure swing adsorption)device for separating the obtained pure hydrogen. The invention also discloses a method for producing hydrogen by utilizing thermochemical reaction thermally driven by solar energy under medium-lower temperature. The system and the method of the invention reduce the cost of producing hydrogen by utilizing solar energy and are beneficial to mass popularization and application.

An extended release oral dosage form comprising as active substance tacrolimus or a pharmaceutically active analogue thereof for a once daily immunosuppressive treatment of a patient in need thereof, preferable a kidney or liver transplant patient. The dosage form releases the active substance over an extended period of time. It also provides improved pharmacokinetic parameters due to an extended and constant in vivo release including substantial decreased peak concentrations, despite increased bioavailability, substantial extended times for maximal concentration, and higher minimal concentrations when compared with conventional immediate release dosage forms and a recent modified release tacrolimus dosage form.

Each of a semi-reflective film or reflective film for an optical information recording medium, and a Ag based alloy sputtering target includes a Ag based alloy containing 0.01 to 10 atomic percent of Li. The Ag based alloy exhibits high cohesion resistance, high light resistance, high heat resistance, high reflectivity, high transmissivity, low absorptivity, and high thermal conductivity of the level which had not been realized by the pure Ag or by the conventional Ag alloys. The resulting semi-reflective film and reflective film for an optical information recording medium containing the Ag based alloy exhibit excellent writing/reading properties and long term reliability. The sputtering target for an optical information recording medium is used in depositing the semi-reflective film and the reflective film. Using the semi-reflective film and/or the reflective film, an optical information recording medium is manufactured.

A re-reconfigurable built-in antenna of a portable terminal is provided. The antenna includes an antenna radiator having a feeding pad electrically connected to a feeding portion of a main board of the terminal and at least one ground pad disposed in a position different from that of the feeding pad for selectively establishing an electrical connection to a ground portion of the terminal, and a switching element, commonly connected to the at least one ground pad of the antenna radiator, for selectively establishing an electrical connection to the ground portion by a switching operation. The antenna radiator changes a shape of the antenna radiator by using the selective electrical connection of the ground portion so as to have various operational frequency bands and radiation properties.

The invention discloses a high temperature and salt spray resistance solar energy selective absorbing coating in atmosphere and a preparation method of the coating. The high temperature and salt spray resistance solar energy selective absorbing coating comprises six membrane layers which are a first diffusion barrier layer, a second infrared emission layer, a third diffusion barrier layer, a fourth absorbing layer, a fifth antireflection layer and a sixth organic protective layer in sequence from the bottom layer to the surface, wherein the first diffusion barrier layer is a nitride or oxide membrane layer, the second infrared emission layer is Cu, Ag, Al, Ti or Au, the third diffusion barrier layer is a nitride or oxide membrane layer, the fourth absorbing layer comprises two sub-layer structures, the two sub-layers are double ceramic membranes, the fifth antireflection layer is an Al2O3 membrane or an SiO2 membrane, and the sixth layer is the organic protective layer. As the high temperature and salt spray resistance solar energy selective absorbing coating comprises the organic protective layer, the high temperature and atmosphere corrosion resistance of the high temperature and salt spray resistance solar energy selective absorbing coating are greatly improved, so that the high temperature selective absorbing coating with the novel structure has good high temperature thermal stability and weather fastness.

The present invention relates to an apparatus and a method for influencing and/or detecting magnetic particles in a field of view (28), in particular for examination of human patients. The apparatus comprises i) selection-and-focus means (120) for generating a magnetic selection-and-focus field (50), wherein said at least one set of selection-and-focus field coils comprises—at least one inner selection-and-focus field coil (113, 115) being formed as a closed loop about an inner coil axis (115a), first inner selection-and-focus field coil (115)—a group of at least two outer selection-and-focus field coils (116-119) arranged at a larger distance from said inner coil axis (115a) than said at least one inner selection-and-focus field coil (113, 115) and at different angular positions, each being formed as a closed loop about an associated outer coil axis (116a-119a), and ii) drive means (120) comprising a drive field signal generator unit (122) and drive field coils (124; 125, 126, 127) for changing the position in space and/or size of the two sub-zones (52, 54) in the field of view (28) by means of a magnetic drive field so that the magnetization of the magnetic material changes locally.

The invention discloses an acidulant for feed. Effective components of the acidulant for feed comprise the following ingredients according to parts by weight: 1.05-1.15 parts of formic acid, 1.45-1.55 parts of formate, 0.9-1.1 parts of lactic acid, 0.9-1.1 parts of citric acid and an appropriate amount of excipient, such as silicon dioxide and the like. The acidulant of the invention has simple preparation process, low raw material cost and low absorptivity in stomach, as a result, a majority of the acidulant can give play to bacteriostatic action in rear section of alimentary canal.

The invention discloses a construction waste recycling and reusing process, which comprises the following steps of: 1, collecting waste concrete, waste mortar and waste brick slag; 2, smashing and screening, namely smashing and screening the collected waste concrete, the collected waste mortar and the collected waste brick slag to obtain regenerative rough aggregates and regenerative fine aggregates; and 3, preparing foam concrete, namely firstly preparing cement slurry, namely uniformly stirring concrete, water, the regenerative rough aggregates and the regenerative fine aggregates to obtain the cement slurry, and secondly adding a foam dilution solution, namely adding the foam dilution solution formed by uniformly mixing a foaming agent and water into the cement slurry, and uniformly stirring to obtain the foam concrete. The steps of the process are simple; the investment cost is low; the process is simple, feasible and high in operability; the waste concrete, the waste mortar and the waste brick slag can be effectively reused; the economical benefit is outstanding; the produced foam concrete material is high in heat preservation performance; and the problems that the construction waste is abandoned and stacked randomly and occupies the land, the waste of resources is severe, and the environment pollution is severe are solved.

The invention relates to a welding method for dissimilar metals, and in particular relates to a laser offset welding method suitable for magnesium/steel and magnesium/titanium. The method comprises the following steps: (1) fixing to-be-welded magnesium and steel or magnesium and titanium on a work table, and jointing by use of zero-gap seamless joints; and (2) achieving the welding by irradiating steel or titanium with laser under the conditions of filling welding wire or not, wherein the protection gas flow rate is1 L/min to 50 L/min, the welding speed is 0.1 m/min to 1 m/min, the laser power is 1 W to 10 kW, and the laser offset 0.1 mm to 0.8 mm. The high-melting-point side material can be molten by irradiating with the laser beam, and the low-melting-point side material can be molten through heat conduction so as to achieve the connection between the two kinds of materials. When a laser beam directly irradiates a high-reflectivity material, such as a magnesium alloy, the material has low energy absorption rate. However, the laser offset welding method can solve the problem, and can reduce the defects, such as welding seams and pores, generated on the material with a low melting point or a low bolting point.

A method of manufacturing glass ceramic articles such as glass ceramic plates for cooktops or fireplace windows is provided. The method facilitates the adjustment of a specific hue or a specific absorptivity of the glass ceramic in the visible spectral range. The method is based on the finding that the absorption of light by coloring agents which are appropriate for or present in glass ceramics can be attenuated during the ceramization process by adding substances that have a decoloring effect.

An antenna device for a portable wireless terminal including a main built-in antenna for transmitting and receiving signals of one and more frequency bands is provided. The antenna device includes an external case on which a wireless terminal is disposed. The external case comprises an antenna radiator of at least one. In addition, the antenna device includes a control part for selectively controlling use of at least one of the at least one antenna radiator and a main built-in antenna of the wireless terminal.

A built-in antenna module for a portable wireless terminal is provided. In the built-in antenna module, a mainboard, which is an RF board, has a feeding unit and a grounding unit. A radiator is disposed on one side of the mainboard and has a feed pin and a ground pin that are electrically connected to the feeding unit and the grounding unit, respectively. A conductive ground plate is disposed on the other side of the mainboard to have a predetermined height. An end of the conductive ground plate is grounded to the grounding unit of the mainboard. The distance between the radiator and the ground plate is maximized to improve antenna performance.

A method for reducing the level of or removing wood extractives from cellulose fibers and products having cellulose fibers, by the use of a supercritical or near supercritical fluid in order to increase the absorption rate of such cellulose fibers and products having cellulose fibers. Also disclosed are cellulose fibers and products having cellulose fibers, such as cellulose tissue paper, sanitary napkin or towel, nonwoven industrial wipes, baby diaper, incontinence garments, or pulp having improved qualities, such as improved absorption rate.

The invention discloses an aqueous heat-insulating anticorrosive paint; the off-white aqueous heat-insulating anticorrosive paint is prepared by utilizing styrene-acrylic emulsion and nano SiO2 slurry as main film forming matters under the coordination of various functional pigments and fillers, various auxiliaries and brownish black slurry through conventional single-component coating preparation technologies. The aqueous heat-insulating anticorrosive paint provided by the invention can block, reflect, irradiate and save solar energy and reduce temperature of solar energy, and also can be featured with rust resistance, rot resistance, green and environmental protection, weather resistance, durability and good decoration property simultaneously. The aqueous heat-insulating anticorrosive paint is widely applied to heat insulation and anticorrosion for metal surfaces of metal structure buildings, chemical storage tank, locomotive carriages, cold water towers and so on.

The invention belongs to the technical field of radiation cooling, and particularly relates to a radiation cooling coating with a self-cleaning function and a preparation method thereof. The radiationcooling coating comprises a bottom layer binder, and a radiator and hydrophobic nano particles, which are covered on the bottom layer binder; and an infrared emission peak of the radiator is positioned within an infrared radiation waveband range of 8 to 13 mum and at least covers one wave band interval in the range of 8 to 13 mum. According to the invention, by utilizing high hydrophobicity of the nano hydrophobic particles, the radiation cooling coating has a self-cleaning effect and a phenomenon of reducing the cooling effect due to dust accumulation is avoided. The radiation cooling coating disclosed by the invention has high emissivity on the wave band of 8 to 13 mum, is large in transmittance on a visible light wave band, is excellent in lighting performance, can also reduce absorption on energy on the rest of wave bands and ensures the cooling effect. The radiation cooling coating further adopts two different particle sizes of radiators, so that the radiation range is widened, ground heat is radiated to the outer space to the greatest degree, and the cooling effect is improved.