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117results about How to "Avoid stitching" patented technology

Speed testing device and method of non-spliced large-target surface laser light screen

The invention discloses a speed testing device of a non-spliced large-target surface laser light screen. A set of linear laser light source is adopted for producing the larger-target surface laser light screen with 90-degree coverage, so that the splicing of the light screen can be avoided; a retroreflector with a serrated structure is adopted as a reflection cooperative target, so that the laserreflectivity in each region is improved and the signal response of a shot when the shot flies across all the regions of the large-area light screen can be ensured; a spherical surface reflecting mirror with a laser emergent hole is obliquely arranged before a laser (namely, a light axis of the spherical surface reflecting mirror and an emergent light axis of the laser form an angle), so that a circular arc-shaped light spot is formed by convergence; a three-section type structure or a circular arc structure is adopted for being connected with a spliced light-sensitive tube array in parallel, so that light transmitting and receiving integrated photoelectric detection of the large-target surface laser light screen with the 90-degree coverage can be realized; and by adopting a maximum negative slope point seeking algorithm, the timing time when the shot flies across the two light screens can be precisely determined, and the more precise speed of the shot can be further obtained.
Owner:ZHONGBEI UNIV

Pavement splicing method and structure for old cement concrete pavement reconstruction and expansion

The invention discloses a pavement splicing method and structure for old cement concrete pavement reconstruction and expansion. A cement concrete slab splicing seam is formed in a hard shoulder of an old cement concrete slab, steps are arranged on an old road upper base layer, an old road lower base layer and an old road cushion layer for transition, poor concrete is adopted for a new road upper base layer of an expansion part, and unscreened macadam is adopted for a road bed; a new cement concrete slab and the old cement concrete slab are connected by adopting double-layer reinforcing steel bars; a high-molecular polymer anti-cracking paste is firstly stuck to the cement concrete slab splicing seam, then an asphalt concrete anti-cracking leveling interlayer is paved, and a lower asphalt concrete surface layer and an upper asphalt concrete surface layer are finally paved sequentially, wherein the lower asphalt concrete surface layer is doped with 0.3% by mass of short-cut basalt fiber. According to the method and structure, the problem that the durability of existing old cement concrete pavement reconstruction and expansion engineering is insufficient can be effectively solved, and the important significant is achieved for promoting quicker and better development of transportation industry in China.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Picture splicing method, dual-screen terminal and computer readable storage medium

The invention discloses a picture splicing method, which is applied to a dual-screen terminal including a primary screen and a secondary screen. The method comprises: detecting whether the primary screen and the secondary screen are in a picture preview mode to determine the type of a user instruction when the dual-screen terminal receives the user instruction triggered by the user on the basis ofa volume down key and a power source key; determining that the type of the user instruction is a picture splicing instruction if so; respectively obtaining picture paths of current preview pictures in the primary screen and the secondary screen, and determining whether the current preview pictures in the primary screen and the secondary screen are stored in the dual-screen terminal according to the picture paths; and acquiring the current preview pictures of the primary screen and the secondary screen according to the picture paths if so, and performing picture splicing processing to generatea corresponding puzzle. The invention also discloses a dual-screen terminal and a computer readable storage medium. The method can realize the quick splicing of the current preview pictures in the primary screen and the secondary screen of the dual screen terminal, can save the time of the user and can improve the user experience.
Owner:图为信息科技(深圳)有限公司

Method for manufacturing curve compact grade laminate

The invention relates to a method for manufacturing a curve compact grade laminate. The method includes that firstly, a plasticizer, a light stabilizer, an ultraviolet absorber, an antioxidant and an antiaging agent are added in a first adhesive agent, and facial tissues are put into the first adhesive agent to be subjected to steeping and drying; secondly, a diluent agent, the antioxidant, the antiaging agent, the plastizer, dyes and a fire retardant are added in a second adhesive agent, and pieces of kraft paper are put into the second adhesive agent to be subjected to the steeping and the drying; thirdly, a plurality of pieces of dried kraft paper are overlaid, and pieces of dried facial tissues are placed on the upper and lower end surfaces of the overlaid kraft paper respectively; and fourthly, a finished product is formed by compressing the kraft paper and the facial tissues through a press, and the press comprises matched molds which are suitable for compressing U-shaped or arc-shaped compact grade laminates. According to the method, the manufactured curve compact grade laminate has the advantages of being colorful, high in intensity, impact resisting, uvioresistant, water-proofing, weather-proofing, anti-static, anti-fouling and easy to manufacture, so that the manufactured curve compact grade laminate can be widely applied to building outer walls, furniture, facilities, signs and the like, and the problem of splicing of the compact grade laminate at corners can be prevented.
Owner:江苏天润盛凯新材料股份有限公司

InSAR imaging and interference integrated processing method

The invention provides an InSAR imaging and interference integrated processing method. The method comprises the following steps of: positioning a geographic space of an image in an absolute geographic space coordinate system, and constructing a backward projection imaging model for integrating InSAR imaging and interference height measurement; performing coherent accumulation imaging by using the backward projection model, outputting a digital orthoimage, and performing conjugate multiplication on the digital orthoimage to obtain a residual interferometric phase; performing phase filtering on the residual interferometric phase, and outputting an interferometric phase diagram. according to the interferometric phase diagram and a DEM auxiliary condition, carrying out ultra-sparse control point block joint interference calibration, and calculating an interference calibration result parameter; and establishing an elevation inversion model based on the backward projection imaging model, and inverting the ground elevation in the elevation inversion model by using the interference calibration result parameter. The method has the following remarkable advantages that: InSAR interference processing is simpler; self-registration is completed while imaging is carried out; DEM and SAR data matching is avoided; multi-scene image splicing is avoided; and output products are more friendly to users.
Owner:AEROSPACE INFORMATION RES INST CAS

Screening and use of agents which block or activate intein splicing utilizing natural or homologous exteins

In accordance with the present invention, there are provided selection systems and methods for screening for agents that control splicing of inteins in their native host protein (extein) or in homologous exteins. Specifically, there are provided positive genetic selection systems for the screening of agents which inhibit or activate protein splicing which comprise: a host cell containing a chromosomal gene encoding either a drug-resistant form of a target enzyme or a wild-type target enzyme, and a plasmid-borne gene encoding either a drug-sensitive form of the target enzyme, which is dominantly cytotoxic upon interaction with the drug, or a dominantly cytotoxic form of the target enzyme. In these systems the plasmid-borne gene contains an intein, and the inhibition or activation of splicing of the dominant cytotoxic form of the target enzyme by a given reagent results in the survival or death of the host cell. More specifically, positive genetic selection systems which utilize the M. xenopi GyrA intein or M. tuberculosis DnaB helicase intein are provided. Similar reporter systems utilizing native or homologous exteins and systems utilizing controllable inteins are provided, as are methods of controlling in vivo expression of proteins by modulating protein splicing with inhibiting or activating agents, and methods of controlling the delivery of proteinaceous drugs in vivo by modulating protein splicing.
Owner:NEW ENGLAND BIOLABS
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