44results about How to "The contrast effect is obvious" patented technology

The invention relates to a nano interior wall coating; the composition by the weight percent is as follows: 35 percent to 45 percent of film-forming material, 28 percent to 42 percent of pigment and filler, 4 percent to 7 percent of assistant, 0.6 percent to 1.2 percent of nano powdery material, 1.0 percent to 2.0 percent of water-soluble nano silica sol, and 10 percent to 30 percent of deionized water. The film-forming material can be styrene-acrylic latex or acrylic latex; the pigment and filler is one or more than one type among rutile titanium dioxide powder, calcined kaolin, heavy calcium carbonate and super-fine aluminum silicate; the assistant comprises one or more than one type among dispersant, wetting agent, foam killer, preservative, thickener, anti-freezing agent, ph regulator and film-forming assistant. The coating of the invention can continuously release negative ions under the radiation of a fluorescent lamp, and can effectively degrade the dissociative TVOC and formaldehyde content in the air; the washing resistant times reaches 20000 to 50000 times, and the manual aging resistance reaches more than 1000 hours. In addition, the coating saves the consumption of nano powdery material and reduces the production cost.

The invention relates to a dwarfing and pest-killing corn plant core-removing agent, which comprises the following raw material medicaments in percentage by weight: diethyl aminoethyl hexanoate 0.05-2.5, ethephon or paclobutrazol 0.1-3, chlorpyrifos 0.3-3, imidacloprid 0.01-0.09, pirimor 0.1-2.5 and auxiliary the balance. The medicament can complete pest prevention and control and growth regulation by one time of core-removing medicament application, wherein in one time of core-removing medicament application, various corn pests such as ostrinia nubilalis and aphid are prevented and controlled; the average corn plant height is reduced by 20 to 50 centimeters; the prevention and control rate of the ostrinia nubilalis and core-eating worms is over 80 percent; the prevention and control rateof the aphid is over 95 percent; and the corn yield is increased by more than 20 to 50 percent. The medicament is simple convenient in application, labor-saving, medicament-saving and safe, prevents harm caused by the ostrinia nubilalis and aphid in a whole period of growth of corns and completely solves the problem of pest prevention and control in a post-period of corns, thereby increasing cornyield and harvest, reducing environmental pollution and being worthy to be promoted and used.

The invention discloses a high-temperature resistant printing burn polishing primer for synthetic leather and a preparation method thereof. The primer is prepared from the following raw materials: 15 to 25 parts of polyurethane gloss oil, 15 to 25 parts of resin, 25 to 30 parts of DMF, 15 to 25 parts of butyl acetate, 7 to 10 parts of silica color-changing powder, 2 to 5 parts of modified siloxane, 2 to 4 parts of silicone oil, 3 to 7 parts of oil water repellent, and 3 to 5 parts of flatting agent. The invention also discloses a method for preparing the high temperature-resistant printing burn polishing primer for the synthetic leather. The high temperature-resistant printing burn polishing primer has the advantages of mutually coordinating and coacting components, good film-forming property, and firm adhesion. The synthetic leather polished by the primer has strong burn contrast and high temperature resistance.

The nano wall paint consists of filming material, stuffing, pigment, nano material and assistant and is prepared through conventional paint compounding process. Specifically, the material includes filming material 20-50 wt%, pigment and stuffing 15-45 wt%, assistant 1.0-5 wt%, nano material 0.2-2.0 wt%, water soluble micrographic carrier material 1.0-3.0 wt% and water 15-50 wt%. Owing to the water soluble micrographic carrier material and the nano material of particle size of 10-40 nm, the wall paint has high antifouling, antiageing and antibiotic performance, has water resistance over 20000-45000 times, artificial ageing resistance over 1000 hr and lowered nano material use amount and thus lowered production cost.

The invention provides a macroscopic examination method for determining a position of a subsurface inclusion defect of a continuous casting billet. The method comprises the steps: firstly, taking a transverse low-magnification sample from the continuous casting billet having the subsurface inclusion defect, and preparing the sample; then corroding the upper surface of the sample with a cold acid etching reagent; next, dipping and etching the sample with a hot acid solution, scrubbing with cold water, and blowing to dry with hot air; and finally, carrying out statistics on the number of aggregative distributed subsurface inclusions, carrying out multi-point measurement, then averaging, and positioning the position of the subsurface inclusion defect in the casting billet. The method can display the position, the form, the distance from the surface of the casting billet and other information of the subsurface inclusion defect of a cross section of the continuous casting billet in a solidification organization structure in an original appearance manner; the problems that the subsurface inclusion defect position cannot be accurately positioned and the relationship between the defect and the solidification structure cannot be determined by a conventional examination method are solved.

The invention provides an endoscope image imaging method, device and apparatus and a medium. The method relates to adjustment of channel images of R, G and B channel components in an endoscopic image,and comprises the following steps: acquiring endoscopic image data, performing RGB channel decomposition on the endoscopic image data, and generating channel images, the channel images comprising anR channel image, a G channel image and a B channel image; respectively inputting the channel images into a preset adjustment function model; obtaining a channel enhanced image output by the adjustmentfunction model, wherein the channel enhanced image comprises an R channel enhanced image, a G channel enhanced image and a B channel enhanced image; and generating an endoscope image according to theR channel enhanced image, the G channel enhanced image and the B channel enhanced image. R, G and B channel components of an image are independently adjusted, so that an obvious contrast effect is generated between a tissue background and the hue of a blood vessel.

The invention discloses the sunflower painting, comprising frame and cloth layer. The cloth layer is inserted in frame. The cloth layer comprises sunflower painting layer, lining and base fabric layer. The sunflower painting layer which is made according to the shape of object lies in top, the lining lies in middle, and the base fabric layer lies in bottom. The painting has obvious effect and expressive force. The invention also discloses the manufacturing method.

The present invention provides an FPGA-based phase demodulation constant false alarm rate (CFAR) radar signal detection method which is a new method for resisting passive jamming and suppressing jamming by an active radar. Linear frequency modulation signals are utilized, and only the phase position of echoes is matched to obtain a threshold, thus to detect signals in an interference environment. The method comprises analyzing and adding up phase distribution characteristics of the interference environment, and then establishing a threshold of a constant false alarm rate by utilizing a difference degree of an interference signal phase and a target signal phase, thereby raising detection probability of the radar in the interference environment.

The invention discloses a penaeus monodon behavioral preference test system and test method. The test system comprises a test drum and a monitoring component, wherein the test drum comprises a plurality of cylinders arranged in a sleeved mode, and any cylinder can rotate; a plurality of light source pieces are arranged on the inner wall of each cylinder, and different sea substrates are arranged at the bottoms of any two adjacent cylinders; a unidirectional light-transmitting layer is arranged on the outer wall of the cylinder at the outermost side, and a plurality of unidirectional light-transmitting strips are arranged at intervals on the outer wall of any cylinder at the inner side; and the monitoring component is arranged at one side of the test drum and comprises a support and a plurality of probes arranged on the support, and the probes can perform real-time image collection on penaeus monodon.

The invention discloses a surface of revolution demonstration teaching tool, and mainly relates to the analytic geometry teaching tool field. The teaching tool comprises a base, a torsional rotating mechanism, and a busbar mechanism. The torsional rotating mechanism comprises a lower rotating shaft, a lower connecting rod, an upper rotating shaft, an upper connecting rod, and a control rod. The lower rotating shaft is rotatably disposed on the base, and the lower rotating shaft is driven by a motor disposed in the base. The lower end of the control rod and the lower rotating shaft are fixedly limited by two positions in an axial direction, and an included angle between the two positions is in a range from 20degrees to 80degrees, and the control rod penetrates the upper rotating shaft, and is synchronized with the upper rotating shaft in the axial direction. The upper rotating shaft is vertically connected with the upper connecting rod, and the lower rotating shaft is vertically connected with the lower connecting rod, and in addition, the busbar mechanism is detachably and fixedly disposed between the upper connecting rod and the lower connecting rod. The surface of revolution demonstration teaching tool is advantageous in that students can observe the forming process of the surface of revolution, and the students can compare a meridian line with the busbar conveniently, clearly, and visually, and therefore the students can understand and master related knowledge points quickly.

The invention discloses an LED illumination system and a linear power supply using the illumination system. The LED illumination system comprises a plurality of LED units, at least one power supply used for supplying the power to the plurality of LED units and a power supply line of the plurality of LED units which are connected with the power supply. The LED illumination system is characterized in that the power supply is the linear power supply which has the output voltage of 160-220V, the plurality of LED units are a high-voltage LED light source with the work voltage of 160-220V, the linear power supply simultaneously supplies the power to the plurality of LED units through the power supply line, and the output power of the linear power supply is adapted to the power of the plurality of LED units. The LED illumination system and the linear power supply have the advantages of low cost, little self consumption, good energy saving effect and low reformation cost when utilizing an existing line.

The invention discloses a floating type testing tank of penaeus monodon and a testing method. The tank comprises a tank body, a plurality of sliding plates and monitoring components, wherein the plurality of the sliding plates are pasted to the inner wall of the tank body; at least one partition plate is arranged inside the tank body; the tank body is divided into a plurality of testing cavities by the partition plates along a vertical direction; a plurality of water flowing holes are formed in the tank body; mesh holes in one to one correspondence to the water flowing holes are formed in thesliding plates; the sliding plates are capable of sliding close to the inner wall of the tank body; opening and closure of the mesh holes and the water flowing holes can be adjusted when the sliding plates slide; at least one monitoring component is arranged on the inner walls of the sliding plates in the testing cavity; and the monitoring components are capable of monitoring behaviors of penaeusmonodon in the testing cavities in real time.

The invention discloses a disposable experimental device and an experimental method for inducing carbonate minerals by using sulfate reducing bacteria. The experimental device comprises two culture flasks having the same structures, and the walls of the culture flasks are in convex lens shapes having an amplification function; a feed pipe is arranged at the upper part of the wall of each culture flask, and a vent hole and a mineral outlet hole are formed in the bottom of each culture flask; the mouth of each culture flask is provided with an exhaust pipe, a pH electrode inserting hole and an oxidation reduction electrode inserting hole; the culture flasks are respectively and internally provided with lead acetate test paper; the culture flasks, the feed pipe and the exhaust pipe are respectively made from a polystyrene material; the two culture flasks are respectively fixed at the two ends of a stabilizing bracket; one of the two culture flasks is used as an experimental group culture flask, and the other culture flask is taken as a control group culture flask. When being used for culturing anaerobic bacteria in a laboratory by a user, the disposable experimental device is time-saving and labor-saving; furthermore, the disposable experimental device can culture the control group and the experimental group in the same environment, thus avoiding a lot of interference factors.

The invention aims to provide a method and equipment for presenting microscopic video information. The method comprises the steps that first microscopic image sequence information about a sample is obtained, wherein the first microscopic image sequence information comprises multiple pieces of two-dimensional microscopic image information based on a first temperature sequence, and the first temperature sequence comprises a plurality of temperature assignments of temperature parameters arranged according to a predetermined sequence; according to the first microscopic image sequence information, generating microscopic video information about the sample, wherein the arrangement sequence of two-dimensional microscopic image information in the microscopic video information corresponds to the preset sequence; and presenting the microscopic video information. The microscopic video information of the sample about the temperature parameters can be obtained, wherein the microscopic video information presents the microscopic images of the sample under different assignments of the temperature parameters, so that sufficient research data and a good comparison effect are provided for researchers, and the user experience is improved.