45results about How to "Reduce performance variance" patented technology

The present invention provides an optical receiving module and a laser radar system, the optical receiving module includes: an optical transmission sub-module and a detection sub-module sequentially arranged along the receiving optical path; the optical transmission sub-module is suitable for receiving, filtering, and transmitting light beams, the light beams include signal light; and the detection sub-module is adapted to receive and detect the light beams transmitted by the light transmission sub-module; wherein, the light transmission sub-module and / or the detection sub-module includes absorption type substrate, the absorption type substrate is suitable for absorbing at least light in a predetermined wavelength band outside the wavelength range of the signal light. The laser radar system includes: a light emitting module, adapted to emit a detection laser beam to the outside; and the light receiving module, adapted to receive and detect an echo signal of a laser beam formed by reflecting the detection laser beam from the outside. The light receiving module and the laser radar system of the embodiments of the present invention can suppress ambient light, increase the intensity of obliquely incident signal light at a large angle, and improve the signal-to-noise ratio.

Provided are an Asperger's diagnosis assistance method and system, and an Asperger's diagnosis assistance device, with which, employing a conventionally proposed sight line detection technology, it is possible to assist with early identification and early reliable diagnosis, particularly of infant Asperger's, on the basis of objective evaluations. An assistance method for diagnosing Asperger's of a subject, etc., employing a sight line detection unit (A) comprising at least either a camera part which image captures an eyeball of a subject or an electrode part which is mounted on the subject's head part and detects a movement of an eyeball, and a display part which is installed in the subject's sight line, displays on a screen of the display part a composite image in which two or more images formed from a specific person image (I) and a specific non-person image (II) are displayed contiguously, and after detecting, employing the sight line detection unit, sight line location information of the subject who views the composite image, inputs the sight line location information of the subject into a sight line location information storage unit, and evaluates the sight line location of the subject with a sight line location evaluation algorithm which compares the stored sight line location information of the subject with sight line location information of an Asperger's patient and / or a person showing normal development.

The invention provides a precise forging-continuous rolling production technology of a large and heavy single molybdenum rod. The production technology comprises the following steps of: 1, carrying out billet forging on the molybdenum rod by a precision forging machine to obtain a precision forging bar; 2, heating the precision forging bar; 3, rolling for the first time by a Y-shaped three-roller continuous mill to obtain a rolled molybdenum rod; 4, heating the rolled molybdenum rod; and 5, rolling for the second time by the Y-shaped three-roller continuous mill and obtaining the large and heavy single molybdenum rod of which the piece weight is 45-50kg. Deep processing of a molybdenum bar is successfully achieved by setting and optimizing each parameter in precision forging, thermal treatment and continuous rolling processes; the large and heavy single molybdenum rod, which is suitable for subsequent wire drawing, and of which the piece weight is 45-50kg, is finally produced; and the production efficiency is obviously improved. The piece weight of the molybdenum rod produced by the production technology is much greater than that of the molybdenum rod produced by a traditional technology; and the precise forging-continuous rolling production technology has no welding spot on the whole, and is even in internal organization, high in product quality and suitable for large-scale industrial production.

The invention provides a batch production method of a membrane electrode, which can carry out batch production. The batch production method is characterized by comprising the following steps: (1) preparing an anode gas diffusion layer and a cathode gas diffusion layer which are of the same area; (2) coating a catalytic layer to form an anode gas diffusion electrode and a cathode gas diffusion electrode; (3) clipping the anode gas diffusion electrode and the cathode gas diffusion electrode into small pieces of gas diffusion electrodes of the same dimension and quantity; (4) respectively placing the small pieces of anode gas diffusion electrodes and the small pieces of cathode gas diffusion electrodes in upper ledge openings and lower ledge openings of a hot-pressing mould frame and tiling a proton exchange membrane between the upper edges and the lower edges; (5) placing the whole hot-pressing mould into a hot press to prepare a conjoined membrane electrode structure; and (6) separating the conjoined membrane electrode structure from the middle position of the proton exchange membrane of an adjacent single membrane electrode.

The present invention relates to a washing machine comprising: a casing having a insertion hole for inserting laundry thereinto on the front surface thereof; a tub disposed in the casing and containing laundry water and having an inlet communicating with the insertion hole; a drum, rotatably disposed within the tub, for accommodating laundry; a pump for pumping water discharged from the tub; a gasket for making the insertion hole communicate with the inlet of the tub and having a plurality of nozzles for spraying water into the drum; and a nozzle water supply pipe, fixed to the gasket and having an inlet through which water pumped by the pump flows, for dividing and guiding water that has flowed through the inlet into a first sub flow and a second sub flow, the nozzle water supply pipe including a plurality of first nozzle water supply ports, formed on a first flow passage to which the first sub flow is guided, for supplying the first sub flow individually to any two or more nozzles among the plurality of nozzles, and a plurality of second nozzle water supply ports, formed on a second flow passage to which the second sub flow is guided, for supplying the second sub flow individually to other two or more nozzles among the plurality of nozzles.

The invention discloses an efficient long-runner impeller low-specific-speed centrifugal pump. The efficient long-runner impeller low-specific-speed centrifugal pump comprises a centrifugal impeller, an inducer, a transmission shaft, a centrifugal pump shell and sealing structures; the centrifugal impeller and the inducer are in rigid connection; the centrifugal impeller and the inducer are coaxial with the transmission shaft; the centrifugal impeller comprises a front cover plate and a rear cover plate which are in single-arc transition; and the sealing structures are arranged on the outer side of the front cover plate and the outer side of the rear cover plate correspondingly. According to the efficient long-runner impeller low-specific-speed centrifugal pump, the axial length is properly increased, the blade angle distribution of the centrifugal impeller is smoother, the inlet impact loss of the centrifugal impeller is reduced, the work efficiency of the low-specific-speed centrifugal pump is obviously improved, and the problem that due to the long and narrow runner characteristic of the low-specific-speed centrifugal pump, the impeller disc friction loss and the inlet impact loss of the low-specific-speed centrifugal pump are large, and consequently the efficiency of the low-specific-speed centrifugal pump is low is solved.

A system and process for customizing the performance of an xDSL communication system in which a transmitting modem and / or a receiving modem will negotiate a performance parameter for adjustment.

A gas injector includes first and second gas introduction passages extending in a first direction toward a central axis of a process chamber respectively, a first bypass passage extending from the first gas introduction passage in a second direction that is substantially perpendicular to the first direction, a second bypass passage extending from the second gas introduction passage in a reverse direction to the second direction, a first distribution passage isolated from the first bypass passage in the first direction and extending from an outlet of the first bypass passage in the reverse direction to the second direction, a second distribution passage isolated from the second bypass passage in the first direction and extending from an outlet of the second bypass passage in the second direction, and a plurality of spray holes in an outer surface of the first and second distribution passages and configured to spray the process gas.

Provided herein is a fuse that includes a conductive member, two shielding portions arranged on the conductive member, and a case. The conductive member includes a two bars on each end of the conductive member and an element (e.g., melting portion) that integrally connects the two bars. The two shielding members are disk shaped and are situated on the conductive member between the element and the two bars. The case encloses the element and the two shielding members.

The invention provides a precise forging-continuous rolling production technology of a large and heavy single molybdenum rod. The production technology comprises the following steps of: 1, carrying out billet forging on the molybdenum rod by a precision forging machine to obtain a precision forging bar; 2, heating the precision forging bar; 3, rolling for the first time by a Y-shaped three-roller continuous mill to obtain a rolled molybdenum rod; 4, heating the rolled molybdenum rod; and 5, rolling for the second time by the Y-shaped three-roller continuous mill and obtaining the large and heavy single molybdenum rod of which the piece weight is 45-50kg. Deep processing of a molybdenum bar is successfully achieved by setting and optimizing each parameter in precision forging, thermal treatment and continuous rolling processes; the large and heavy single molybdenum rod, which is suitable for subsequent wire drawing, and of which the piece weight is 45-50kg, is finally produced; and the production efficiency is obviously improved. The piece weight of the molybdenum rod produced by the production technology is much greater than that of the molybdenum rod produced by a traditional technology; and the precise forging-continuous rolling production technology has no welding spot on the whole, and is even in internal organization, high in product quality and suitable for large-scale industrial production.

The invention belongs to a ceramic under-glaze decoration process, and in particular relates to a ceramic silver plating process. The process comprises the following steps of: after firing a blank, rendering with white glaze; spraying solution A; and firing the blank at the temperature of between 1,100 and 1,500 DEG C; coating a silver foil on a fired product and producing a texture effect; and spraying silver glaze and performing tempering treatment, namely finishing a ceramic silver plating process. The solution A is obtained by the method of: fully mixing 100 weight parts of silver powder,90 to 120 weight parts of 783-isophorone, 0 to 1 volume part of sodium hydroxide aqueous solution with the mass concentration of 20 to 50 percent for 5 to 10 minutes. The ceramic silver plating process of the invention gets rid of the current situation of random construction, so that the quality is easier to control and the effect difference among batches of products is reduced; in addition, the ceramics obtained by the process changes the effect of a single color in the past and has very high craft appreciation.

The invention discloses a low-cooling-rate-sensitivity high-nucleation-capability AlNbBRE grain refiner for cast aluminum alloy and a method for preparing the refiner by adopting induction smelting; the ingredients of the refiner are Al-xNb-yB-zRE, wherein x is larger than 0.01wt% and smaller than or equal to 6wt%, y is larger than 0.01wt% and smaller than or equal to 3wt%, z is larger than 0.01wt% and smaller than or equal to 1wt%, and the balance is Al; RE is one of or a mixture of two of La, Ce, Nd, Er, Gd, Y, Yb and Sc. The method is simple in preparation process and capable of accurately controlling the ingredients of the refiner. The refiner is excellent in refining effect when being used for performing grain refinement on cast aluminum-silicon alloy and is relatively low in cooling rate sensitivity on the refining effect of the positions, complicated in shape and different in thickness, of a cast piece, namely of the positions different in cooling rate; the mechanical properties of the refined alloy are remarkably improved; the performance differences of the positions which are different in cooling rate are remarkably reduced.

The invention discloses a catalyst degradation method which comprises the following steps: impregnating the catalyst to be degraded in phosphoric acid or phosphate solution; then calcining the impregnated catalyst; and finally performing thermal aging treatment. Difference in performance between the catalyst after the degradation treatment by the method and the practically used catalyst is relatively small, and the precision is high.

A method for manufacturing a chip scale package (CSP) for a light-emitting diode (LED). The method may include a light-emitting device mounting step for mounting a plurality of light-emitting devices on a substrate strip, a phosphor forming step for forming a phosphor on the plurality of light-emitting devices, a reflective member forming step for forming a reflective member on the substrate strip to surround the phosphor, and a package singulation step for singulating unit packages by cutting the substrate strip and the reflective member.