57results about How to "No smear" patented technology

The invention relates to an image shooting method and device and belongs to the field of photography. The method includes: acquiring the motion parameters of a mobile terminal; determining the shooting parameters of a shoot according to the motion parameters; shooting an image according to the shooting parameters. By the method, the problem that the shot image has an evident image tail due to the motion of the mobile terminal is solved, the shooting parameters of one shot are set according to the motion parameters of the mobile terminal, and the shot images have no image tails or the image tails are reduced.

The invention relates to the technical field of laser engraving, in particular to a method for engraving a miniature two-dimensional code in glass laser. The method for engraving the miniature two-dimensional code in the glass laser comprises the following steps that a DATAMATRIX two-dimensional code encoding method is used for generating an initial two-dimensional code drawing file of a circle pattern; and a single-point mode two-dimensional code drawing file composed of a plurality of independent single points is generated according to the initial two-dimensional code drawing file of the circle pattern; processing delay parameters are arranged behind the each single point of the single-point mode two-dimensional code drawing file, and a target two-dimensional code drawing file is generated; a glass sample is located through a coaxial CCD camera, and the position to be processed is calculated; and an optical path is adjusted to enable the focused spot size of a laser beam to be smaller than a calibration value, a focus point of the laser beam is moved to the position to be processed inside the glass sample, and the two-dimensional code processing is carried out according to the target two-dimensional code drawing file. The tailing phenomenon caused by a galvanometer when the action time of a picosecond laser is extremely short is effectively prevented, and two-dimensional small-size engraving is enabled to be possible.

To provide a compact and thin optical device that can simplify a manufacturing process, and suppresses optical noise, and to provide a method of manufacturing the optical device. The optical device comprises a light detection region 14; a peripheral circuit region 16 formed at the outer-periphery section of the light detection region 14; an electrode region 18 formed at the outer periphery of the peripheral circuit region 16; an optical element 10 having a plurality of microlenses in the light detection region 14; a transparent member 22 arranged on the optical element 10; and a transparent resin adhesive 26 for adhering and fixing the transparent member 22 onto the circuit formation surface of the optical element 10. A roughening region 24 having a sawtooth-like cross section is formed on an adhesive surface with the optical element 10 at a portion overlapping with the outer-periphery region of the light detection region 14 flatly in a plane view in the transparent member 22.

The invention discloses an optical-mechanical structure based on infrared area array detector scanning imaging. The optical-mechanical structure comprises a pitching pointing mirror 1, an infrared telephoto lens 2, an azimuth compensation swing mirror 3, an infrared imaging lens 4, an infrared area array focal plane detector 5 and an azimuth scanning rotating table 6. By the adoption of the structure, all-dimensional scanning imaging of one single infrared area array detector can be achieved within the range of 360 degrees, it is guaranteed that the blurring effect caused by rotation of the table can be avoided in the infrared image acquiring process, and the advantages of being long in integral time and high in sensitivity of the infrared area array focal plane detector can be fully performed. The optical-mechanical structure based on infrared area array detector scanning imaging has the advantages that all-dimensional scanning is achieved, image blurring and smearing are avoided, and the telescope configuration structure is combined with the secondary imaging objective lens structure.

The invention discloses an infrared image cross grain removing processing method and processing device, and a storage device. The infrared image cross grain removing processing method comprises the following steps: acquiring an airspace cross grain value of a current frame airspace basic image of a current frame infrared image, and subtracting the airspace cross grain value of the current frame airspace basic image from a pixel value of the current frame airspace basic image to obtain a current frame airspace cross grain-removed basic image; obtaining a current frame time domain basic image and a previous frame time domain basic image, and obtaining a time domain cross grain value of the current frame time domain basic image according to the current frame time domain basic image and the previous frame time domain basic image; and performing anti-pollution processing and dynamic and static weight processing, and subtracting the anti-pollution processing and dynamic and static weight processing time domain cross grain value of the current frame of time domain base image from the pixel value of the current frame of space domain cross grain-removed base image to obtain an output imageof the current frame of infrared image. According to the scheme, the output image can have good definition and has no smear.

The invention relates to the technical field of extraction of DNA in raw petroleum and particularly relates to a DNA extracting method for a petroleum microorganism in a raw petroleum environmental sample. The method comprises the following steps: firstly, adding 10-50mul of raw petroleum into a centrifugal tube, then, adding 100mul of cleaning buffer solution into the centrifugal tube with the raw petroleum, and uniformly mixing to obtain a mixed solution. The concentration of DNA extracted by using the method is increased by 50% as comparison with the concentration of DNA extracted by using a bacterial DNA extraction kit, the DNA extracted by the invention is remarkably brighter than the DNA extracted by using the bacterial DNA extraction kit, and the obtained DNA is clear in strip and free of trailing so as to prove that the DNA extracting method is used for easily extracting the DNA from the raw petroleum, is higher in extraction efficiency and more capable of accurately, comprehensively and truly showing the kinds and amounts of microorganisms in the raw petroleum as comparison with the bacterial DNA extraction kit.

The invention provides a multichannel isolation type power device switch drive module of a power conversion controller. The signal input end of the low frequency full bridge rectification filter circuit is connected with an alternating current power supply of a grid connected power generating network. The signal output end is connected with the signal input end of a high voltage and high frequency pulse power signal generating circuit. The signal output end of the high voltage and high frequency pulse power signal generating circuit is connected with the signal input end of an isolation type direct current level power supply circuit. The signal output end of the isolation type direct current level power supply circuit is connected with the signal input end of a pulse level shifting circuit. Signal pulse emitted by a power conversion controller is connected with the signal input end of a pulse level shifting circuit. According to the invention, the module has the advantages of simple structure and stable and reliable performance, can well drive the power conversion controller, and is suitable for various composite applications in half bridge, full bridge, three-phase bridge and multilevel topology circuits and a power management circuit in frequency conversion and speed regulation.

The invention provides a method for separating low-molecular weight ribonucleic acid (RNA) of plant. The method mainly comprises the following steps of: treating a sample, removing deoxyribonucleic acid (DNA) and protein, removing high-molecular weight RNA, obtaining the low-molecular weight RNA, and storing the low-molecular weight RNA. In the extraction process of the low-molecular weight RNA, the DNA, the high-molecular weight RNA and the low-molecular weight RNA are precipitated at different stages, the DNA and the high-molecular weight RNA are precipitated by using 30 percent polyethylene glycol (PEG) and absolute ethanol in an amount which is 1/3 the volume of a tube, and the low-molecular weight RNA is precipitated by using absolute ethanol in an amount which is 2/3 volume of the tube, so that the low-molecular weight RNA is enriched; and the extraction process is easy and convenient to operate, the required time is short, and the method is a simple, economic and efficient method for extracting high-quality low-molecular weight RNA of the plant.

The invention discloses a flu pill of Tibetan medicine and a quality control method of a preparation thereof; wherein the preparation is various preparation formulations which are made by adding conventional excipients according to the conventional technique and the formulation of the flu pill in fascicule of Tibetan medicine of Standards of Medicine of the Ministry of Public Health. The quality control method comprises one or more of identification methods. The invention carries out thin layer chromatogram identification study on hypecoum erectum and bhizoma acori calami in the formulation, establishes the quality control method with reliability, accuracy and strong specificity, can effectively control the quality of the flu pill and enable the flu pill to achieve stable, controllable, high-effective and safe quality.

The invention discloses a preparation method of saffron extract drop pills which comprises the following steps, melting safflower extract, water and base material polyethylene glycol (PEG), dropping into cooling material, removing cooling material on the surface of the drop pills, finally drying to obtain the end product.

The invention provides a cutting device accessory for a special optical fiber, a cutting device and an optical fiber cutting method. The cutting device accessory comprises a clamp, a visual observation device, a jacking and breaking device and an adjustable translation table. The clamp is used for being installed in a groove, parallel to an optical fiber placing direction, of a one-dimensional translation table of the cutting device in a detachable mode and used for clamping and locking one end of a to-be-cut optical fiber. The visual observation device is mounted on a lifting adjusting frameof the adjustable translation table and is used for observing a to-be-cut part of a to-be-cut optical fiber; the jacking and breaking device comprises a jacking and pressing block and an actuator usedfor driving the jacking and pressing block to apply a jacking and pressing force to a to-be-cut optical fiber. The jacking and pressing block is installed on the moving part of the actuator and usedfor jacking a pre-cutting position of the to-be-cut optical fiber after the to-be-cut optical fiber is pre-cut by a cutter of the cutting device so that the to-be-cut optical fiber can be broken. According to the scheme, the cutting end surface of the optical fiber is smooth without trailing.

The invention belongs to the technical field of food detection, and discloses a method for detecting 6-chloropicolinic acid in vegetables and fruits, which comprises the following steps: preparing a vegetable and fruit sample, extracting with an acetonitrile-formic acid solution, and centrifuging; purifying supernate obtained through centrifugation; detecting the purified supernate by using a liquid chromatograph-mass spectrometer (LC-MS); and comparing the retention time of the detected target pesticide chromatographic peak with the retention time of the corresponding standard chromatographic peak, and carrying out qualitative and quantitative analysis. The invention provides a method for detecting and analyzing 6-chloropicolinic acid in vegetables and fruits by using LC-MS/MS. The method is suitable for liquid chromatography-mass spectrometry determination of residual quantity of 6-chloropicolinic acid in vegetables and fruits. According to the method, a T3 chromatographic column is adopted for separation, detection is carried out in a positive ion mode, a selected mobile phase is acetonitrile + 10 mmol/L ammonium acetate solution, isocratic elution is adopted for the mobile phase, the column residual effect can be eliminated, and good reproducibility is obtained.

The invention discloses a large-light-transmission high-illumination projection lens assembly matched with a 0.47 DMD. The projection lens assembly comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a diaphragm, a sixth lens, a seventh lens, an eighth lens, a ninth lens and a tenth lens distributed in sequence from an object side to an image side along an optical axis, wherein each of the first lens to the tenth lens comprises an object side surface and an image side surface; and the first lens has a negative refractive index, the second lens has a negative refractive index, the third lens has a positive refractive index, the fourth lens has a negative refractive index, the fifth lens has a positive refractive index, the sixth lens has a negative refractive index, the seventh lens has a negative refractive index, the eighth lens has a positive refractive index, the ninth lens has a negative refractive index, and the tenth lens has a positive refractive index. The optical imaging lens assembly has only the above ten lenses with refractive indexes. The actual maximum compatible target surface size of the lens assembly of the invention can reach phi 16 mm; the lens assembly has strong compatible use characteristics; and a large-aperture high-illumination design is adopted, so that projected pictures are clear and uniform.

The invention discloses an image noise reduction method and a computer readable storage medium. The method comprises the steps of obtaining an input image of a current frame and an output image of a previous frame; calculating an inter-frame gray difference between the input image of the current frame and the output image of the previous frame; according to a preset suppression value and a truncation value, truncating the inter-frame gray scale difference value; generating a continuity probability curve corresponding to the current frame according to the interframe gray difference after truncation processing and a preset curve parameter; calculating the filter gain of the current frame according to the filter gain of the previous frame and the continuity probability curve corresponding tothe current frame; and calculating the output image of the current frame according to the input image of the current frame, the output image of the previous frame and the filter gain of the current frame to obtain a denoised image of the current frame. The noise in the image can be well suppressed, and no obvious smear is generated.

The invention discloses a method for extracting macro fungus genome DNA. A macro fungus fruiting body or hypha cell structure is broken via a physical method and a chemical method; protein is removedby virtue of phenol, chloroform and isoamylol; then, genome DNA is precipitated by virtue of isopropanol; sterilized distilled water or a buffer solution is added to dissolve the genome DNA; the genome DNA is adsorbed and collected by virtue of a nucleic acid adsorption column; and purifying is conducted by virtue of guanidinium isothiocyanate and ethanol, so that the genome DNA is obtained. The obtained genome DNA is relatively good in integrity; through dyeing after agarose gel electrophoresis, a DNA strip is clear and single, without tailing or a complex zone; the obtained genome DNA is high in purity and high in yield, an OD260 to OD280 ratio ranges from 1.8 to 2.0, and the concentration of the genome DNA is 20-50ng/ul; and the method is simple to operate and low in cost, and is applicable to molecular biology studies of various macro fungus fruiting bodies or hyphae.

The invention discloses a control method, a control device, equipment and a medium for a linear motor, which belong to the technical field of linear motors. The method comprises the steps of obtaining the current speed, the driving voltage and the response time of the target acceleration of an oscillator of the linear motor, obtaining a damping adjustment coefficient based on the response time and hardware parameters of the linear motor, obtaining a target compensation voltage based on the current speed of the vibrator and the damping adjustment coefficient, obtaining an actual driving voltage based on the driving voltage and the target compensation voltage, and controlling the linear motor to vibrate based on the actual driving voltage. By adopting the control method provided by the invention, the response time of the acceleration of the linear motor can be accurately adjusted.

The invention relates to the technical field of etching, and provides an etching liquid composition. The cleaning agent comprises the following components in percentage by weight: 10-20% of hydrogen peroxide, 0.5-4% of inorganic acid, 1-4% of a compound with both amino and alcohol groups, 1-5% of a pH regulator, 1-5% of organic acid or amino acid, 1-5% of a metal ion chelating agent, 0.1-2% of a hydrogen peroxide stabilizer and the balance of water. And has a first acidity and a second acidity. The quality guarantee period of the etching liquid composition can reach one month, etching residues are avoided, etching broken lines are not prone to being generated, copper and copper alloy films of advanced-generation panels can be effectively etched, and the etching liquid composition can be used for etching transparent conductive films in panel display devices. The etching liquid composition can be prepared by two different preparation schemes, the shelf life of the obtained etching liquid composition can reach one month, but the line width loss difference of the etching liquid composition prepared by the first preparation scheme is obviously superior to that of the etching liquid composition prepared by the second preparation scheme.