77results about How to "Avoid oversaturation" patented technology

A process (and apparatus for performing the process) for layer manufacturing a three-dimensional work piece comprising the steps of; feeding raw material in a solid state to a first predetermined location; exposing the raw material to an electron beam to liquefy the raw material; depositing the raw material onto a substrate as a molten pool deposit, the deposit having a forward edge region in an x-y plane with a forward edge region width and a trailing edge region in the x-y plane with a trailing edge region width, under at least one first processing condition; monitoring the molten pool deposit for at least one preselected condition using detecting of scatter from a scanning electron beam contemporaneously with the depositing step; solidifying the molten pool deposit; automatically altering the first processing condition to a different processing condition based upon information obtained from the comparing step; and repeating steps at one or more second locations for building up layer by layer, generally along a z-axis that is orthogonal to the x-y plane, a three-dimensional work piece.

A cryosurgery device for dispensing a liquid refrigerant from a container having a valve stem extending outwardly therefrom. The device includes an actuator adapted to seat on the valve stem of the container in order to depress the valve stem to release the refrigerant from the container. The actuator includes an inner passageway having opposed ends disposed therein, one of the ends of the passageway being in fluid communication with the valve stem. An applicator tube is mounted to the actuator at the other end of the inner passageway. A cap is disposed on the top of the container. The actuator is movably positioned on the cap and a shield is attached to the cap to completely receiving the applicator tube. Liquid refrigerant can only be dispensed when the actuator is positioned properly and the applicator tube is disposed within the shield means.

A plant growing assembly is configured to grow a plurality of plants in multiple directions above a ground surface. The assembly includes a growing container and a support structure for elevating the container above the ground surface. The container presents a generally hollow body to retain a plant-growing medium and the plurality of plants. The body extends along an axis to present opposite axial end margins and a radial peripheral wall. The wall defines a plurality of discrete plant-receiving ports extending therethrough, and disposed generally radially about the wall. A method of growing plants above ground in substantially opposite directions from one another is also disclosed.

The disclosed embodiments relate to a method for controlling prefetching in a processor to prevent over-saturation of interfaces in the memory hierarchy of the processor. While the processor is executing, the method determines a bandwidth utilization of an interface from a cache in the processor to a lower level of the memory hierarchy. Next, the method selectively adjusts a prefetch-dropping high-water mark for occupancy of a miss buffer associated with the cache based on the determined bandwidth utilization, wherein the miss buffer stores entries for outstanding demand requests and prefetches that missed in the cache and are waiting for corresponding data to be returned from the lower level of the memory hierarchy, and wherein when the occupancy of the miss buffer exceeds the prefetch-dropping high-water mark, subsequent prefetches that cause a cache miss are dropped.

A solution is proposed that allows power savings via enhancement of pixel data to compensate for reducing backlight intensity levels. According to one embodiment, each pixel of a display is sorted according to the brightness (intensity) of the pixel. Regional pixel gains are calculated and applied on a per pixel basis so as not to exceed a quality threshold. The intensity of the backlight corresponding to each region may be decreased by an equivalent amount, thereby reducing (potentially significantly) the power consumed to operate the backlight while maintaining the color intensity in the image due to the applied pixel gains.

The present invention is a coated hydrogenation catalyst that includes a porous support material, an active metal component and a silica precursor, wherein the support material is impregnated with the active metal component and then contacted with the silica precursor. After impregnation, the support material is calcined to form a SiO2 layer. The active metal component can be one or more Group VIII metals, metal oxides, metal sulfides or metal carbides. The support material for the coated catalyst is kieselguhr, alumina, silica or silica-alumina. In a preferred embodiment, the active metal component is platinum, palladium, rhodium, rhenium or iridium and the catalyst includes a zeolite component. The coated catalyst is prepared by first impregnating the support material with the active metal component and then contacting the silica precursor to form an impregnated catalyst. The impregnated catalyst is then calcined to form the coated catalyst having a SiO2 layer. The impregnation with the active metal component and the incorporation of the silica precursor can be repeated two or more times to form a plurality of SiO2 layers on the coated catalyst.

A method for operating a wind turbine (10). The wind turbine (10) is operated with variable rotational speed between predeterminable minimum and maximum rotational speeds. A characteristic variable (51) of an oscillation of the wind turbine (10) is detected. The wind turbine (10) includes a tower (14) and a rotor (13). An open-loop or closed-loop control device (36, 50) provides open-loop control or closed-loop control of the rotational speed of the rotor (13) between a minimum rotational speed and a maximum rotational speed during a power-supplying operation of the wind turbine. A sensor (40) detects a characteristic variable (51) of an oscillation of the wind turbine (10) and the minimum rotational speed is changed depending on the characteristic value (51) of the oscillation. The minimum rotational speed is altered depending on the characteristic variable (51) of the oscillation by the open-loop or closed-loop control device (36, 50).

Solution acrylic polymers suitable for dispersing drugs are particularly useful in transdermal drug delivery applications.

An aspect of the present invention proposes a solution to allow low-cost flat panel displays without light guides to maintain a high quality image display via enhancement of pixel data to account for non uniform brightness. According to one embodiment, each pixel of a display is mapped to the brightness (intensity) of illumination that reaches the pixel. Regional pixel gains are calculated and applied on a per pixel basis to compensate for the non-uniform brightness across the screen. According to such an embodiment, even low cost flat panel displays experiencing non-uniform brightness can be used to render high quality images.

The invention relates to the field of oil refining and discloses a method for producing clean diesel fuel. The method comprises the following steps that a reaction is conducted in a first hydrogenation reaction area after the high-sulfur-nitrogen poor-quality diesel fuel and reaction products in a second hydrogenation reaction area are mixed with hydrogen-containing substance flow,hydrogenation and refinement reaction products are obtained and then subjected to separation and fractional distillation, and refined diesel fuel cut fraction and heavy diesel fuel cut fraction are obtained; at least part of the heavy diesel fuel cut fraction and hydrogen containing substance flow are led into the second hydrogenation reaction area, and products in the second hydrogenation reaction area are led into the first hydrogenation reaction area; and the refined diesel fuel cut fraction and the rest of the heavy diesel fuel cut fraction are mixed to obtain the clean diesel fuel, wherein the sulfur content of the high-sulfur-nitrogen poor-quality diesel fuel is higher than 5000 [mu]g/g, the nitrogen content of the high-sulfur-nitrogen poor-quality diesel fuel is higher than 700 [mu]g/g, and the arene content of the high-sulfur-nitrogen poor-quality diesel fuel is higher than 50% by weight. According to the method for producing the clean diesel fuel through the high-sulfur-nitrogen poor-quality diesel fuel, conditions are moderate, operating is easy, cost is low, and the clean diesel fuel with the sulfur content, the nitrogen content and the arene content meeting the Euro V standard and the cetane number improved by 10 units or over can be produced.

The invention relates to a color cast detection and image enhancement method for images after defogging. Brightness radiation estimation is performed on the images after defogging by utilizing a guiding filter with low complexity and the edge preservation characteristic so that color cast of the images after defogging is corrected and the images are enhanced. Firstly, color cast detection is performed on the images; then a gray world method is performed on the images exceeding the color cast threshold value; and an improved single-scale Retinex method is performed on the images. With application of the method, color cast detection and image enhancement of the images after defogging are realized.

A method of operating a mass spectrometer comprising: detecting a first ion species using a first gain setting of a detector or a first emission current for a first mass-to-charge range; detecting a second ion species using a second gain setting of the detector or a second emission current for a second mass-to-charge range; and using the detected first and second ion species to calibrate the mass range of a mass analyzer of the mass spectrometer, to tune the resolution of the mass analyzer, or to tune an ion optic of the mass spectrometer.

A cleaning swab is for wet or dry use. The swab includes a handle defining a longitudinal axis. The handle is elongated and has a cleaning head end having a tip, and a grasping end. A cleaning head is mounted to the handle. The cleaning head is formed from a strip of material having an inner surface and an outer surface. The material is affixed to the handle at the inner surface, and extends along the handle, over the tip and along an opposite side of the handle. The head defines a loop at the handle tip spaced from the tip. The strip of material extends along the handle to define major cleaning surfaces and the loop defines an inner annular cleaning surface.

The invention discloses a low-cost high-power-density single-phase high-speed hybrid excitation permanent magnet motor and method. The motor comprises a stator and a rotor; armature grooves and excitation grooves are alternately arranged at intervals along the circumference; a set of armature windings are disposed in the armature grooves; a set of excitation windings are disposed in the excitationgrooves; the rotor comprises rotor teeth, rotor grooves are formed between the adjacent rotor teeth, and main air gaps are formed between the stator teeth and the rotor teeth; the iron core between the excitation groove where the excitation winding is located and the permanent magnet above the excitation groove is disconnected in the radial direction, additional air gaps are formed, and ferriteswhich are the same in the magnetizing direction and arranged in a short-long-short mode to form a pole are placed between the additional air gaps. Most of magnetic flux passes through the main air gaps by matching the length and the mounting angle of the ferrites under the same polarity, so that a magnetism gathering function is realized, and the performance and the power density of the motor areimproved.

The invention provides an urban rail transit station platform supersaturated passenger flow pre-control method and system. The method comprises the following steps: acquiring rail transit station hallhardware facility parameters, train information parameters and passenger flow service parameters; extracting passenger flow data in real time, carrying out platform supersaturation state pre-judgment, and if it is judged that the platform passenger flow is about to reach the supersaturation state, starting a signal device arranged on a corresponding station hall layer to control the passenger flow of the station hall layer; determining the minimum arrival rate of the passenger flow of the platform according to the acquired parameter information, determining the maximum release time needed forreleasing the remaining passenger flow capable of being contained in the platform, and setting the forbidding signal starting moment of the signal device; setting a corresponding release signal opening moment according to the acquired parameter information on the premise that the get-off passenger flow rate of each train does not exceed the passage capacity limit; and forming a timing scheme according to the set forbidding signal starting moment and the releasing signal starting moment, and controlling the operation of the signal device. Passenger flow congestion can be effectively reduced.