38results about How to "Reduce intensity differences" patented technology

The present disclosure provides an optical device for selecting specific matter, such as plant matter. The device comprises a light source for emitting light having at least (3) wavelengths and for generating a combined beam of light having the at least 3 wavelengths. The device further comprises an optical element for directing a plurality of light beams towards matter including the specific matter. The optical element has first surface portions through which in use the plurality of component light beams are directed to the matter including the specific matter. Each component light beam is directed through a respective first surface portion that has an optical property that is selected so that light intensity differences between the component light beams are reduced. The optical device also comprises an optical filter for filtering reflected component light beams such that an intensity of light is reduced in a wavelengths range outside one or more wavelengths ranges that include the at least three wavelengths. Further, the optical device comprises a detector for detecting the reflected component light beams.

A high-strength hot-dip galvanized steel sheet with improved bending workability and reduced strength difference between a center part and end parts in the sheet width direction is provided. A method for manufacturing the high-strength hot-dip galvanized steel sheet is also provided. The hot-dip galvanized steel sheet has a hot-dip galvanizing layer on a surface of a base steel sheet containing: C, Mn, P, S, and Al; Ti and B in amounts satisfying expression (1): 0.005×[Mn]+0.02×[B]1 / 2+0.025≤[Ti]≤0.15; N; and Si as needed; the remainder being iron and unavoidable impurities. The base steel sheet has 50 area % or more of the martensite, 15-50 area % of the bainite, and 5 area % or less of the ferrite, with respect to the overall metallographic structure.

The invention discloses a device for measuring the surface shape of a high-reflection mirror. The device comprises a light source, a beam splitter, a collimator, a standard lens and a CCD imaging system. The front surface of the standard lens is plated with a light splitting film, a light beam emitted by the light source passes through the beam splitter and then is converted into parallel light bythe collimator, when the parallel incident light Io passes through the standard lens, part of the light is emitted is reflected and returned by the standard lens plated with the light splitting film,the other part of the light passes through the standard lens to arrive at the surface of the measured lens and is reflected by the surface of the measured lens, the light IR reflected and returned bythe standard lens plated with the light splitting film and light It reflected by the surface of the measured lens after passing through the standard lens form interference light and return the interference light to the beam splitter, the interference the light enters the CCD imaging system after being reflected by the beam splitter, and the intensity ratio It / IR of the two paths of coherent lightis 0.2-1.

A touch display apparatus with a display region and a frame region is provided. The touch display apparatus includes a base substrate, a display function layer and a thin film encapsulation layer which are sequentially stacked. The display function layer is located in the display region. A touch electrode layer is arranged at a side, facing away from the base substrate, of the display function layer. The frame region includes a slope region adjacent to the display region. The thickness of the touch display apparatus in the slope region is gradually decreased outward from the display region. The touch electrode layer includes touch electrodes which form a grid of metallic wires. The grid density of the touch electrodes in the slope region is higher than that in the display region.

The invention discloses a high-strength and high-plasticity 1000 Mpa grade hot rolled steel plate and a preparation method thereof. The high-strength and high-plasticity 1000 Mpa grade hot rolled steel plate is prepared from the following components by weight: 0.05%-0.40% of C, 1.00%-5.00% of Mn, 0.70%-1.60% of Si, 0.1%-1.00% of Al, 0.01%-0.10% of Nb, 0.01%-0.10% of V, 0.002%-0.005% of N and the balance Fe and inevitable impurities. The steel plate has high strength and high plasticity, and Nb and V microalloy elements are added to be combined with C and N to form nanoscale cluster precipitates, so that matrix structures are strengthened. Through chemical composition design, and combined with medium temperature coiling, the nanoscale cluster precipitates with small size, uniform distribution and high density can be obtained, the strength of ferrite is obviously strengthened, the strength difference between the two matrix structures (ferrite and martensite) is reduced, the ferrite grainsize is refined at the same time, and high reaming performance is obtained.

The invention discloses a method for achieving circular ring connection by utilizing wrinkling of metal pipes, and belongs to the technical field of material connection. The phenomenon that a connecting pipe deforms plastically under the action of force is utilized, so that the connecting pipe is wrinkled in a non-constraint area, the wrinkles are further compacted so as to achieve the plastic connection between two metal rings. After plastic deformation of the connecting pipe, the strength of the connection part can be enhanced due to deformation strengthening, so that the connection is safeand reliable; and the number of preparatory steps is few, the operation is simple and convenient, the whole connecting process is green and pollution-free, and the operation is simple, convenient andefficient.

A photolithographic mask is provided. The photolithographic mask includes a substrate having a first surface configured as a light incidence plane of an exposure light and a second surface. The photolithographic mask also includes a plurality of scattering centers functioning as a refractive index disturbance inside the substrate. Further, the photolithographic mask includes a plurality of mask patterns on the second surface of the substrate.

The invention belongs to the technical field of activated carbon, and specifically relates to a preparation process of porous activated carbon, which includes the following steps: step 1, drying and grinding: carbonizing and grinding the sawdust after drying, to obtain dry carbon powder; step 2, processing and molding: Extrude the carbon powder, and then use a mold to process the carbon powder into a cylindrical carbon block; step 3, open pores: open pores on the surface of the formed cylindrical carbon block; wherein, steps 2 and 3 use a porous Activated carbon preparation is mechanically coordinated. The invention reduces the strength difference of each part of the cylindrical activated carbon after molding, and improves the molding quality; the invention reduces the extrusion force of the plunger on the activated carbon during the process of opening the cylindrical activated carbon, and avoids the need for cylindrical activated carbon. There are cracks inside.

The invention discloses a preparation method of a high-strength polypropylene material. The preparation method is characterized in that in the machining process, the crystal habit of polypropylene is regulated and controlled, and therefore the mechanical performance of polypropylene is improved. In the machining process, a certain shear and two-way stretch force field is applied to polypropylene melt by regulating the number and type of force assembling units, under the action of the force field, the crystal habit of polypropylene is developed into shish-kebab structures orientated in different directions, the stretch strength of the polypropylene material can be remarkably improved, and the difference of the mechanical strength, in the extrusion direction, of the polypropylene product and the mechanical strength in the direction perpendicular to the extrusion direction, of the polypropylene product is weakened. The force assembling units are added to existing traditional extrusion equipment, operation is easy, continuous production can be achieved, control is convenient, quality is stable, production efficiency is high, and good industrial and market prospects are achieved; and the method can be widely applied to preparing high-strength polypropylene plate, sheet and film materials.

The present invention provides an electro-optical filter for filtering light from an object. The filter is arranged for receiving the light via a first imaging element and comprises a plurality of reflective elements for receiving and reflecting the light. Each reflective element has an optical property that is dependent on an intensity of the light at or near the reflective element. The optical property controls local filtering of the light intensity in a manner such that, above a predetermined intensity threshold, the filter reduces intensity differences of light originating from bright and dark regions of the object.

The present invention provides an array substrate, a touch display panel and a touch display device. The number of inverters in the second cache unit is smaller than the number of inverters in the first cache unit, or, the number of inverters in the second cache unit The size of the inverter is smaller than the size of the inverter in the first cache unit, or the number of inverters in the second cache unit is smaller than the number of inverters in the first cache unit, and the inverter in the second cache unit The size of the phaser is smaller than the size of the inverter in the first buffer unit, therefore, by reducing the signal amplification effect of the second buffer unit in the second shift register unit, the transmission of the second shift register unit to the second The intensity of the scanning signal of the scanning line, so that the intensity difference between the intensity of the scanning signal output by the first scanning line and the intensity of the scanning signal output by the second scanning line can be reduced, and then the brightness of the conventional display area and the brightness of the notch display area can be reduced difference, improving the brightness uniformity of the display panel.

The invention provides a high-toughness B-containing hot-rolling low-carbon bainite steel plate. The high-toughness B-containing hot-rolling low-carbon bainite steel plate comprises the following components in percentage by weight: 0.030 to 0.080 percent of C, 1.50 to 1.80 percent of Mn, 0.10 to 0.40 percent of Si, less than or equal to 0.0050 percent of S, less than or equal to 0.015 percent of P, 0.030 to 0.060 percent of Nb, 0.008 to 0.020 percent of Ti, less than or equal to 0.10 percent of V, 0.020 to 0.060 percent of Alt, 0.0010 to 0.0025 percent of B, 0.20 to 0.50 percent of Cr, less than or equal to 0.30 percent of Mo and the balance of Fe and unavoidable impurities. In the production process of the steel plate, the problems that the existing B-containing hot-rolling low-carbon bainite steel plate has great fluctuation of strength and impact toughness are solved by utilizing a laminar flow section cooling process, the B-containing hot-rolling low-carbon bainite steel plate withsmall fluctuation of strength and impact toughness is obtained, and the application of the high-toughness B-containing hot-rolling low-carbon bainite steel plate to the construction machinery industry is facilitated.