164results about How to "Uniform radiation" patented technology

An apparatus and method for non-invasive determination of attributes of human tissue by quantitative infrared spectroscopy. The system includes subsystems optimized to contend with the complexities of the tissue spectrum, high signal-to-noise ratio and photometric accuracy requirements, tissue sampling errors, calibration maintenance problems, and calibration transfer problems. The subsystems include an illumination subsystem, a tissue sampling subsystem, a spectrometer subsystem, a data acquisition subsystem, and a processing subsystem. The invention is applicable, as examples, to determining the concentration or change of concentration of alcohol in human tissue.

In a backlight device, a diffuser plate and a plurality of optical sheets are disposed above a base tray that includes a plurality of cold-cathode tubes therein. The diffuser plate is sandwiched in between a base member, which holds the bottom surface thereof, and a facing portion of an inner frame disposed on the top surface side thereof. A holding protrusion is arranged on the facing portion so as to abut on an exposed portion located on the periphery of the diffuser plate. According to this construction, even when the backlight device is used in an upright orientation, the diffuser plate can be prevented from leaning forward, and thereby pressure applied on the optical sheets can be prevented.

A flat iron-like moxibustion device provided with a flat iron-like main body 2, a heater 5, a dome-like transparent glass cover 6 an outwardly curved outer surface that is brought into contact with a human body and an inwardly curved inner surface on which fine irregularity 6b is formed, a far infrared ray radiation layer 7 coated on the inner surface of the glass cover 6 on which fine irregularity 6b is formed, and a clay-like far infrared ray radiation material 8 filled into the inside of the glass cover 6 as being in close contact with the far infrared ray radiation layer 7, the moxibustion device being capable of substantially uniform far infrared ray radiation and having an excellent appearance.

In a flip chip type Group III nitride compound semiconductor light-emitting element, a surface of a substrate serving as a light-emitting surface is formed as a rough surface so that radiated light is scattered by the surface.

The present invention discloses apparatuses and methods for non-invasive determination of attributes of human tissue by quantitative infrared spectroscopy. The embodiments of the present invention include subsystems optimized to contend with the complexities of the tissue measurements. The subsystems can include an illumination/modulation subsystem, a tissue sampling subsystem, a calibration maintenance subsystem, a data acquisition subsystem, and a computing subsystem. Embodiments of the present invention provide analyte property determination and identity determination or verification from the same spectroscopic information, making unauthorized use or misleading results less likely that in systems that include separate analyte and identity determinations. The invention can be used to prevent operation of automobiles or other equipment unless the operator has an acceptable alcohol concentration, and to limit operation of automobiles or other equipment to authorized individuals who are not intoxicated or drug-impaired.

A microwave heating apparatus comprises: a housing, arranged to define a cavity; a semiconductor RF generator, configured to provide at least one RF signal; and a plurality of RF antennas, arranged in a distributed way within the cavity and configured to radiate the at least one RF signal from the semiconductor RF generator, such that items received in the cavity are dielectrically heated by the radiation.

Disclosed herein is a display device including, a visual target, and a backlight adapted to illuminate the visual target from the rear, the backlight including, a plurality of first light sources, second light sources, and a light guide plate, wherein the light guide plate has a plurality of projecting portions on a side surface portion thereof upon which the light, produced by the plurality of first and second light sources is incident, the projecting portions being arranged, along the side surface portion and project toward the one side of the given direction, the plurality of first light sources are disposed to be opposed to the tip surfaces of the plurality of projecting portions, and the second light sources are disposed to be opposed to the bottom surfaces of recessed portions formed between the plurality of projecting portions.

Provided is a light emitting device which can uniformly diffuse and radiate light from all the regions of the globe of an LED bulb without deteriorating light transmission efficiency. A light emitting device is provided with a light scattering/guiding globe and an LED which is disposed on one end of the light scattering/guiding globe. The light scattering/guiding globe is a body with no air released from the inside and is composed of a light scattering/guiding material having light scattering particles contained therein. The globe has the bottom surface on the side of the LED, and is provided with a first light incoming surface as a first hollow section, which is formed in a circular cone shape in the light outputting direction from the bottom surface.

The invention discloses a wood veneer drying device. The wood veneer drying device comprises a drying room, a drying mechanism and a veneer carrying mechanism, wherein the drying mechanism comprises hot air boxes, air inlet pipes and an air heater; multiple hot air boxes are arranged between a feed port and a discharge port of the drying room at intervals at the same height; a carrying channel for passing through wood veneers is formed in the middle part of the hot air box sets; a breathable soft pressure block is fixed at the end parts of the hot air boxes; an air spraying pipe is inserted into the soft pressure block; the hot air boxes are connected to the air heater through the air inlet pipes; the veneer carrying mechanism comprises conveying belts and a feeding roller; the feeding roller is arranged in the feed port of the drying room; the conveying belts are vertically and oppositely arranged to form a conveying belt set; and the conveying belt set is arranged between two hot air box sets. The wood veneer drying device has the following beneficial effects: the wood veneer drying device can guarantee the wood veneers to be not bent after drying in the drying of the wood veneers.

The embodiment of the invention discloses an antenna which comprises two antenna arrays. Each antenna array comprises two microstrip antenna units, the feed magnitudes of every two microstrip antenna units are equal, the feed phase difference between the every two microstrip antenna units is 180 degrees, the work frequencies of every two microstrip antenna units are the same, and the distance between the centers of every two microstrip antenna units ranges from 0.5 wave length to 1 wave length of the center frequency of a work frequency band of any one microstrip antenna unit. The included angle between the two antenna arrays ranges from 30 to 150 degrees in the same plane, and the distance between the middle point of the distance between the centers of the two microstrip antenna units of the first antenna array and the middle point of the distance between the centers of the two microstrip antenna units of the second antenna array is smaller than or equal to 3 wave lengths of the center frequency of the work frequency band of the microstrip antenna unit with the shortest wave length. The embodiment of the invention further discloses a wireless signal transmit-receive system. By means of the antenna and the wireless signal transmit-receive system, the uniformity of antenna radiation signals can be improved, and the blind area of radiation coverage is reduced.

A method for preparing water soluble chitosan oligosaccharide comprises the following steps: placing preliminarily treated raw material high molecular weight chitosan into a pure water and then placing a soaked mixed solution in a microwave generator so as to carry out tunnel type continuous microwave treatment on the mixed solution; degrading the obtained mixed solution treated by microwaves through using food-grade hydrogen peroxide,; and obtaining low molecular weight chitosan crude product and a filter liquor through nano membrane separation, wherein the filter liquor is fed into an initial soaking step to be continuously used and the chitosan crude product is purified to obtain a chitosan finished product. The method for preparing the water soluble chitosan oligosaccharide, provided by the invention, has the advantages as follows: due to the adoption of the tunnel type continuous microwave treatment, the chitosan soaked in the solution is uniformly radiated, so that the microwave radiation time is reduced and the microwave degradation degree is completer; and as a nano membrane filtering method replaces an alcohol precipitation method in the purifying process, potential threats caused by storage and the use of a great deal of ethanols are avoided and the technical cost is also reduced.

The invention relates to a cord-like Fenghuang Dancong black tea preparation method, sequentially comprising the following steps of: picking up fresh leaves, broiling the fresh leaves, drying the fresh leaves, touching the fresh leaves, naturally withering, twisting, fermenting, drying and baking with charcoal. The cord-like Fenghuang Dancong black tea preparation method is re-innovated by using a Fenghuang oolong tea collecting and processing process and a black tea refining process. The black tea prepared by using the method not only has the characteristics of natural flowery/fruity sharpness, strong honey taste, obvious hill rhythm, strong sweet force, and brewing resistance of Fenghuang oolong tea, but also has the characteristics of warm nature, warm stomach and mellow taste of the black tea. Furthermore, the prepared finished product tea has various natural floral note/fruity and specific plexus rhyme, can meet the requirements of consumers with different tastes, and is a tea production process with generalization significance.

The invention discloses a jerky stoving device belonging to the field of jerky production and processing devices. The device comprises a box body which is provided with a revolving door; the interiorof the box body is horizontally and rotationally connected to a rotating drum in a hollow structure; one end of the rotating drum is connected to a motor for driving the rotating drum to rotate; a plurality of grooves for placing beef are circularly arranged on the circumferential surface of the rotating drum; each groove is slidably connected to a screen for fixing the beef; the inner wall of therotating drum is provided with a plurality of through holes; the through holes communicate with the bottom of the grooves; a plurality of heating pipes are circularly arranged in the rotating drum; aheating plate is arranged above the rotating drum and another heating plate is arranged above the rotating drum; both the heating plates are positioned in the box body, and are arranged opposite to the screens; and both the length of the heating pipes and the length of the heating plates are equal to the length of the grooves. The device can be adopted to heat the beef uniformly, and the device is beneficial to improving the baking quality of the beef.

The invention provides a rehabilitating robot for an ultraviolet curing pipeline. An ultraviolet irradiating lamp comprises lamp plates distributed at the circumference of a frame body and ultraviolet LED lamps evenly distributed on the lamp plates. The frame body is provided with a spring sleeve. A thread is arranged on the outer surface of the spring sleeve, and the spring sleeve can rotate around the frame body in the circumferential direction. A driving arm is formed by connecting two supporting arms in a cross mode, one end of the first supporting arm is fixed on the frame body, and one end of the second supporting arm is connected with a driving arm nut. The driving arm nut is connected with the spring sleeve in a sleeving mode and matched with the thread on the outer surface of the spring sleeve. A tail section frame body is further internally provided with a network transmission module and a first power line carrier module. The first power line carrier module is connected with a second aviation plug. Cables are power cables. According to the rehabilitating robot for the ultraviolet curing pipeline, by adopting the evenly-distributed ultraviolet LED lamps, radiation is more even, and the curing effect is improved; and through combining of the spring sleeve and the driving arm, the robot is adapted to requirements of different pipe diameters, and the material cost and time cost are more saved.

The invention relates to a microwave-assisted solid-liquid reaction ball-milling device and process for preparing nano-oxide powder, and discloses a ball-milling device for improving the quality of powder obtained from ball milling and a method using the ball-device to prepare fine nano-oxide powder. The microwave-assisted solid-liquid reaction ball-milling device comprises a stirring shaft, a microwave oven, a ceramic ballo-milling jar, milling balls, a crossbar, a sealing device, the door of the microwave oven and a fixing device. The microwave-assisted solid-liquid reaction ball-milling device is combined with a related technique to realize milling by using the ceramic ballo-milling jar, the motor drives the stirring shaft to perform milling, and during the milling process, the microwave produces a microwave environment. The invention has the advantage that block reactant can fully react and finer particles are produced at the same time so as to promote the reaction to be better, faster and more thorough.

The present invention provides a three-dimensional modeling method and a three-dimensional model, wherein the method includes the following steps: constructing a set of reference points based on spherical coordinates; removing reference points other than the set of key points; constructing a regular quadrangular truss for key points in the set of reference points respectively ; Optimize the regular quadrangular prism; construct a triangular mesh through the eight vertices of the regular quadrangular prism; transform the spherical coordinates into Cartesian coordinates; output the triangular mesh as a 3D model file. This modeling method is used for rapid three-dimensional modeling of discrete points.

The invention relates to the technical field of bubble generation, in particular to a disc type ultramicro bubble generator which comprises a disc body and a flow guide cavity, and a water inlet, an air inlet and a water outlet are formed in the disc body; the flow guide cavity is formed in the disc body and is vertically communicated with the water inlet; one end of the water outlet is connected with the air passage, and the air passage is connected with the flow guide cavity; the air inlet is connected with the air passage; In the process that a liquid medium is pressed into the flow guide cavity from the water inlet, ultramicro bubbles are generated due to negative pressure, the liquid medium generating the ultramicro bubbles is pressed to the water outlet again, negative pressure is generated again in the process, a gas medium is sucked from the air inlet through the negative pressure, is fully mixed with the liquid medium after passing through the air passage and is cut to form ultra-micro bubbles, and is finally released from the water outlet. According to the invention, liquid is violently impacted, cut and stirred after being mixed with gas, a large number of ultramicro bubbles are generated, and a large number of nanoscale bubbles generated by the ultramicro bubbles are sprayed all around at 360 degrees through the disc, so that the dispersion is more uniform.