Abstract: Provided display panel includes display region and non-display region. The display region includes display units arranged in array and scan signal lines. At least part display units in same row share respective scan signal line. The non-display region includes shift register circuit and connection lines. The shift register circuit includes cascaded shift register unit groups each including at least two shift register units each including signal input terminal, reset control terminal, and signal output terminal. Signal output terminal of first shift register unit in (i+1)-th shift register unit group electrically connected to signal input terminal of respective shift register unit in (i+2)-th shift register unit group through same connection line. Signal output terminal of second shift register unit in (i+1)-th shift register unit group electrically connected to reset control terminal of respective shift register unit in i-th shift register unit group through same connection line. i is positive integer.

Abstract: A catalyst for residue suspended bed hydrocracking and a preparation method and application thereof are disclosed. The catalyst is obtained by mixing a VIM or VIIIB group transition metal salt solution with a ferric salt solution, conducting parallel-flow precipitation with an alkaline solution, adding a silicon source, and then conducting aging, washing, drying, and calcination. The catalyst has a stable structure and excellent hydrogenation activity. When used in a residue suspended bed hydrocracking reaction, the yield of liquid is up to 91 wt %, the yield of gasoline and diesel oil is up to 60 wt %, and both the yield of gas and the yield of coke are low. The catalyst has a good application prospect in residue suspended bed hydroconversion process.

Abstract: A catalytic cracking gasoline upgrading method is provided. First, in the presence of a prehydrogenation catalyst, the full-range FCC gasoline undergoes prehydrogenation in a prehydrogenation reactor to remove diolefins, mercaptans and sulfides, and then the prehydrogenation product undergoes selective hydrodesulfurization in the presence of a hydrodesulfurization-isomerization catalyst, and straight-chain olefins are isomerized into single-branched olefins or single-branched alkanes, thus obtaining a low-olefin, ultralow-sulfur and high-octane clean gasoline product.

Abstract: The present invention relates to the technical field of molecular sieves, in particular to a single-crystal hierarchical pore HZSM-5 molecular sieve and an environment-friendly preparation method thereof. The environment-friendly preparation method of the single-crystal hierarchical pore HZSM-5 molecular sieve includes the following steps: preparing a sample by a hydrothermal method with nitrogen-free polyketal as a template agent; and conducting acid treatment on the obtained sample to remove the template agent and to obtain the single-crystal hierarchical pore HZSM-5 molecular sieve. A mesopore diameter of the single-crystal hierarchical pore HZSM-5 molecular sieve is concentrated at 10 to 40 nm, a crystal grain size thereof is 30 to 500 nm, a specific surface area thereof is 360 to 450 m2/g, and a pore volume thereof is 0.32 to 0.42 cm3/g.

Abstract: The present invention relates to the technical field of molecular sieves, in particular to a neutral polymer-oriented hierarchical pore Beta molecular sieve and an environment-friendly preparation method thereof. The environment-friendly preparation method of the neutral polymer-oriented hierarchical pore Beta molecular sieve includes the following steps: preparing a sample by a hydrothermal method with nitrogen-free polyketal as a template agent; and conducting acid treatment on the obtained sample to remove the template agent and to obtain the hierarchical pore Beta molecular sieve. The hierarchical pore Beta molecular sieve is a nano-mesoporous molecular sieve, a mesopore diameter thereof is concentrated at 10 to 20 nm, a crystal grain size thereof is 30 to 120 nm, a specific surface area thereof is 700 to 820 m2/g, and a pore volume thereof is 0.75 to 0.92 cm3/g.

Abstract: A catalytic cracking gasoline prehydrogenation method is provided. Thiol etherification and double bond isomerization reactions are carried out on catalytic cracking gasoline through a prehydrogenation reactor. The reaction conditions are as follows: the reaction temperature is between 80° C. and 160° C., the reaction pressure is between 1 MPa and 5 MPa, the liquid-volume hourly space velocity is from 1 to 10 h?1, and the hydrogen-oil volume ratio is (3-8):1; a prehydrogenation catalyst comprises a carrier and active ingredients, the carrier contains an aluminium oxide composite carrier with a macroporous structure and one or more of ZSM-5, ZSM-11, ZSM-12, ZSM-35, mordenite, amorphous form aluminum silicon, SAPO-11, MCM-22, a Y molecular sieve and a beta molecular sieve, the surface of the carrier is loaded with one or more of the active ingredients cobalt, molybdenum, nickel and tungsten; based on oxides, the content of the active ingredients is between 0.1% and 15.5%.

Abstract: Provided display panel includes display region and non-display region. The display region includes display units arranged in array and scan signal lines. At least part display units in same row share respective scan signal line. The non-display region includes shift register circuit and connection lines. The shift register circuit includes cascaded shift register unit groups each including at least two shift register units each including signal input terminal, reset control terminal, and signal output terminal. Signal output terminal of first shift register unit in (i+1)-th shift register unit group electrically connected to signal input terminal of respective shift register unit in (i+2)-th shift register unit group through same connection line. Signal output terminal of second shift register unit in (i+1)-th shift register unit group electrically connected to reset control terminal of respective shift register unit in i-th shift register unit group through same connection line. i is positive integer.

Abstract: Provided are an array substrate, an electronic paper display panel and a drive method thereof and a display device. A display area includes a plurality of sub-display areas, a plurality of data lines in each sub-display area are electrically insulated from each other, corresponding data lines in different sub-display areas are electrically connected to each other, and a control signal line is configured to control display time of each sub-display area. When a control chip and a flexible circuit board are employed, only a small number of control chips and flexible circuit boards may drive the plurality of sub-display areas to display pictures.

Abstract: The invention relates to a catalytic cracking gasoline prehydrogenation method. Thiol etherification and double bond isomerization reactions are carried out on catalytic cracking gasoline through a prehydrogenation reactor. The reaction conditions are as follows: the reaction temperature is between 80° C. and 160° C., the reaction pressure is between 1 MPa and 5 MPa, the liquid-volume hourly space velocity is from 1 to 10 h?1, and the hydrogen-oil volume ratio is (3-8):1; a prehydrogenation catalyst comprises a carrier and active ingredients, the carrier contains an aluminium oxide composite carrier with a macroporous structure and one or more of ZSM-5, ZSM-11, ZSM-12, ZSM-35, mordenite, amorphous form aluminum silicon, SAPO-11, MCM-22, a Y molecular sieve and a beta molecular sieve, the surface of the carrier is loaded with one or more of the active ingredients cobalt, molybdenum, nickel and tungsten; based on oxides, the content of the active ingredients is between 0.1% and 15.5%.

Abstract: The invention relates to a catalytic cracking gasoline upgrading method. First, in the presence of a prehydrogenation catalyst, the full-range FCC gasoline undergoes prehydrogenation in a prehydrogenation reactor to remove diolefins, mercaptans and sulfides, and then the prehydrogenation product undergoes selective hydrodesulfurization in the presence of a hydrodesulfurization-isomerization catalyst, and straight-chain olefins are isomerized into single-branched olefins or single-branched alkanes, thus obtaining a low-olefin, ultralow-sulfur and high-octane clean gasoline product.

Abstract: An array substrate, a display panel, and a display device are provided. The array substrate includes a display region and a non-display region surrounding the display region. The array substrate also includes a plurality of gate lines. The plurality of gate lines include a plurality of regular gate lines and at least one irregular gate line. The plurality of regular gate lines are disposed in the display region and extended along a first direction. The at least one irregular gate line includes at least one first trace portion and a second trace portion electrically connected to each other. The at least one first trace portion has a same line width as a regular gate line of the plurality of regular gate lines, and the second trace portion has a line width smaller than the at least one first trace portion.

Abstract: A display panel includes a display area, a non-display area surrounding the display area, and a plurality of signal lines, signal connection lines, and cascaded shift registers aligned in the non-display area. The display area includes a curved corner, and the non-display area includes a corner non-display area adjacent to the curved corner. The cascaded shift registers are electrically connected by associated cascade lines, and each cascaded shift register is connected with a corresponding signal line through an associated signal connection line. The associated cascade lines are located on a side of the cascaded shift registers away from the display area, and the signal lines are located on a side of the associated cascade lines away from the cascaded shift registers. The wiring directions of the signal lines and the extension lines of the associated cascade lines are in parallel with an outer edge of the non-display area.

Abstract: A shift register includes a forward/backward scan-control module, configured to transmit a signal of a forward-scan-signal terminal or a signal of a backward-scan-signal terminal to a first node; an interlock module, configured to transmit a signal of a first voltage terminal to a second node, and transmit a signal of a second voltage terminal to the first node; a pull-down module, configured to transmit the signal of the first voltage terminal to a gate-signal output terminal; an output module, configured to transmit a signal of a second clock-signal terminal to the gate-signal output terminal; and a reset module, configured to transmit the signal of the second voltage terminal to the first node, and transmit the signal of the first voltage terminal to the gate-signal output terminal. The disclosed shift register can prevent leakage of the first node, and thus improve the quality and the performance of the shift register.

Abstract: A shift register includes a forward/backward scan-control module, configured to transmit a signal of a forward-scan-signal terminal or a signal of a backward-scan-signal terminal to a first node; an interlock module, configured to transmit a signal of a first voltage terminal to a second node, and transmit a signal of a second voltage terminal to the first node; a pull-down module, configured to transmit the signal of the first voltage terminal to a gate-signal output terminal; an output module, configured to transmit a signal of a second clock-signal terminal to the gate-signal output terminal; and a reset module, configured to transmit the signal of the second voltage terminal to the first node, and transmit the signal of the first voltage terminal to the gate-signal output terminal. The disclosed shift register can prevent leakage of the first node, and thus improve the quality and the performance of the shift register.

Abstract: Provided are an array substrate, an electronic paper display panel and a drive method thereof and a display device. A display area includes a plurality of sub-display areas, a plurality of data lines in each sub-display area are electrically insulated from each other, corresponding data lines in different sub-display areas are electrically connected to each other, and a control signal line is configured to control display time of each sub-display area. When a control chip and a flexible circuit board are employed, only a small number of control chips and flexible circuit boards may drive the plurality of sub-display areas to display pictures.

Abstract: An array substrate, a display panel, and a display device are provided. The array substrate includes a display region and a non-display region surrounding the display region. The array substrate also includes a plurality of gate lines. The plurality of gate lines include a plurality of regular gate lines and at least one irregular gate line. The plurality of regular gate lines are disposed in the display region and extended along a first direction. The at least one irregular gate line includes at least one first trace portion and a second trace portion electrically connected to each other. The at least one first trace portion has a same line width as a regular gate line of the plurality of regular gate lines, and the second trace portion has a line width smaller than the at least one first trace portion.

Abstract: A display panel includes a display area, a non-display area surrounding the display area, and a plurality of signal lines, signal connection lines, and cascaded shift registers aligned in the non-display area. The display area includes a curved corner, and the non-display area includes a corner non-display area adjacent to the curved corner. The cascaded shift registers are electrically connected by associated cascade lines, and each cascaded shift register is connected with a corresponding signal line through an associated signal connection line. The associated cascade lines are located on a side of the cascaded shift registers away from the display area, and the signal lines are located on a side of the associated cascade lines away from the cascaded shift registers. The wiring directions of the signal lines and the extension lines of the associated cascade lines are in parallel with an outer edge of the non-display area.

Abstract: A pixel structure, array substrate, display panel, display device, and driving method of the display device are provided. The pixel structure includes a plurality of data lines and a plurality of scan lines; a plurality of pixel units formed by intersecting the data lines with the scan lines. Each of the pixel units corresponds to one of the data lines and one of the scan lines; and the pixel unit includes a pixel electrode and a thin film transistor therein. In one of two adjacent columns of pixel units, a pixel electrode of each pixel unit is electrically connected with a thin film transistor of the pixel unit; and in the other one of the two adjacent columns of pixel units, a pixel electrode of each pixel unit in a row is electrically connected with a thin film transistor of a pixel unit in an adjacent row.

Abstract: A TFT array substrate is disclosed. The TFT array substrate includes a substrate, a data line disposed above the substrate, and a gate insulating layer disposed above the substrate, where the gate insulating layer includes a groove. The TFT array substrate also includes a data line disposed within the groove of the gate insulating layer.

Abstract: A selective nickel-based hydrogenation catalyst and the preparation thereof, characterized in that: provided that the catalyst is weighed 100%, it comprises nickel oxide 14-20% as active component, lanthanum oxide and/or cerium oxide 2-8%, and VIB element oxide 1-8% as aids, 2-8% silica, 1-8% alkaline earth metal oxides, and alumina as the balance. The catalyst specific surface area is 60-150 m2/g, and the pore volume is 0.4-0.6 ml/g. The catalyst has good hydrogenation performance, especially impurity and colloid resistance and hydrogenation stability. The catalyst can be applied to the diolefin selective hydrogenation of medium or low-distillate oil, especially of the full-distillates pyrolysis gasoline.