Abstract: An induced earthquake evaluation method for hydraulic fracturing activated faults includes obtaining an induced earthquake evaluation unit, cumulative injection equivalent energy, induced earthquake probability of fault type, induced earthquake probability of fault distance, hydraulic fracturing fluid diffusion capacity in fractured formation, new effective fault stress after fracturing, formation fluid pressure change rate and cumulative released equivalent energy. The probability of induced earthquake by hydraulic fracturing can be obtained. The induced earthquake possibility of each evaluation unit or single well under different stages of hydraulic fracturing, different construction injection methods and production conditions can be quantitatively evaluated. The method provides a quantitative result that can provide data support for optimizing hydraulic fracturing and reducing induced earthquake hazards.

Abstract: The present disclosure discloses a reciprocating rock fracture friction-seepage characteristic test device and method. The test device includes an X-axis shear system, a Y-axis stress loading system, a Z-axis stress loading system, a servo oil source system, 5 a pore pressure loading system, and a host. The X-axis shear system includes an X-axis EDC controller, an upper shear box, a lower shear box, an X-axis left hydraulic cylinder, an X-axis right hydraulic cylinder, an X-axis left pressure head, an X-axis right pressure head, an X-axis left pressure sensor, an X-axis right pressure sensor, an X-axis displacement sensor, and an X-axis 10 displacement sensor. The pore pressure loading system includes an air cylinder, a pressure gauge, a pressure reducing valve, a fluid inlet pipeline, a fluid outlet pipeline, and a flowmeter.

Abstract: A test system and a test method for a lip sticking force of tipping paper for cigarettes are provided. The test system includes an artificial lip and test equipment. The artificial lip is a silica gel block. The test equipment includes a friction meter testing platform, a force measuring sensor, a rigid rope, a pulley, a pulley bracket and a sample loading module. The pulley is installed on the pulley bracket, and the rigid rope slides in the pulley. The rigid rope is L-shaped, a first end of the rigid rope in a horizontal direction is connected to the force measuring sensor, and a second end of the rigid rope in a vertical direction is connected to the sample loading module. The artificial lip is located directly below the sample loading module, and the artificial lip is in contact with the sample loading module at a test position.

Abstract: A non-sticking lip tipping paper is disclosed that includes a base paper, a color layer and a surface coating. The color layer is formed by printing and drying a color ink on the base paper; the surface coating includes a water-based glue and is coated thereon after drying the color layer. The water-based glue includes the following components by weight: 30-65 parts of a modified water-based resin solution, 10-20 parts of water, 8-15 parts of ethanol, and 5-12 parts of a water-based additive. The water-based additive is a mixture of a wax emulsion and magnesium silicate in a weight ratio of 1:5. A preparation method and a method of applying the non-sticking lip tipping paper are also disclosed.

Abstract: A low-pollution combustor and a combustion control method therefor. The low-pollution combustor includes a combustor head including a primary combustion stage and a precombustion stage, the primary combustion stage including a primary-combustion-stage channel and a primary-combustion-stage swirler disposed in the primary-combustion-stage channel. The primary combustion stage includes a pre-film plate disposed in the primary-combustion-stage channel, and the pre-film plate is radially divided into an outer-layer pre-film plate and an inner-layer pre-film plate.

Abstract: A non-sticking lip tipping paper is disclosed that includes a base paper, a color layer and a surface coating. The color layer is formed by printing and drying a color ink on the base paper; the surface coating includes a water-based glue and is coated thereon after drying the color layer. The water-based glue includes the following components by weight: 30-65 parts of a modified water-based resin solution, 10-20 parts of water, 8-15 parts of ethanol, and 5-12 parts of a water-based additive. The water-based additive is a mixture of a wax emulsion and magnesium silicate in a weight ratio of 1:5. A preparation method and a method of applying the non-sticking lip tipping paper are also disclosed.

Abstract: The present disclosure relates to display technology and, particularly, to a display panel and a display device. In the display panel, a bridging connection layer includes multiple bridge electrodes and a touch electrode layer includes multiple first touch electrodes and multiple second touch electrodes. A first electrode unit of each first touch electrodes includes a first electrode subsection. A vertical projection of the first electrode subsection on a plane where the bridging connection layer is located is within a cover of a bridge electrode. In one embodiment, each bridge electrode includes a bridge electrode terminal and a bridge trace, in a second direction where multiple second electrode units of each second touch electrode are arrange, and extension length of the bridge electrode terminal is greater than a width of the bridge trace, and a first corner is formed at a joint of the bridge electrode terminal and the bridge trace.

Abstract: The present invention relates to a prediction model for a lip sticking force of a cigarette tipping paper, a construction method and a prediction method thereof, which belongs to the technical field of analysis and detection. In the method, the stepwise regression analysis is performed on the lip sticking force and values of the dynamic friction coefficient and the grammage of the cigarette tipping paper to obtain a model for predicting the lip sticking force of the cigarette tipping paper. When checking the accuracy of the model, it is found that the predicted value and the measured value basically fall near the 1:1 line, R2 index is 0.99, and the normalized root mean square error (nRMSE) is 2.64%. The present invention provides a method capable of quickly and simply quantifying a sticking force of the cigarette tipper paper to lips.

Abstract: A determination method for lip sticking force of cigarette tipping paper is provided. The artificial saliva is used to clamp the tipping paper and the artificial mouth skin that are bonded between two jigs, respectively. The two jigs move relative to each other. Force changes during the test are collected through a force sensor and a displacement sensor. The maximum debonding force obtained by the test is divided by the sticking area of the tipping paper and the artificial mouth skin to obtain the lip sticking force of the cigarette tipping paper per unit area. The present invention can accurately quantify the sticking force of the cigarette tipping paper to lips, can well avoid subjective factor influence and difference characterization brought by traditional personal sensory smoking evaluation, is more objective, efficient, has good repeatability, high sensitivity and simple operation.

Abstract: The present invention relates to a prediction model for a lip sticking force of a cigarette tipping paper, a construction method and a prediction method thereof, which belongs to the technical field of analysis and detection. In the method, the stepwise regression analysis is performed on the lip sticking force and values of the dynamic friction coefficient and the grammage of the cigarette tipping paper to obtain a model for predicting the lip sticking force of the cigarette tipping paper. When checking the accuracy of the model, it is found that the predicted value and the measured value basically fall near the 1:1 line, R2 index is 0.99, and the normalized root mean square error (nRMSE) is 2.64%.

Abstract: A modified carbon material, including a carbonaceous material and a water-insoluble modifier combined with the carbonaceous material, wherein the water-insoluble modifier is CuO, the carbonaceous material is one of or a mixture of biomass carbon or carbon black, a mass of the water-insoluble modifier is being 0.1-10 wt % of the carbonaceous material. The method for preparing the modified carbon material includes: (1) soaking the carbonaceous material in a copper sulfate solution for 5 to 36 hours, and (2) adding an alkali solution into a solution obtained in step (1) to provide a pH value ?12, and after keeping the pH value for 0.5 to 2 hours, filtering and drying to obtain a solid. (3) using the carbonaceous material as a combustion heat source to reduce the ignition temperature, increase or reduce the peak thermal power temperature.

Abstract: A display panel includes a display function layer and a touch function layer. The touch function layer includes a bridging connection layer, an insulating layer and a touch electrode layer. The bridging connection layer includes multiple bridge electrodes. The touch electrode layer includes multiple first touch electrodes and multiple second touch electrodes. The first touch electrode includes multiple first electrode units electrically connected to each other. The second touch electrode includes multiple second electrode units electrically connected to each other. In each of the multiple first touch electrodes, any two adjacent first electrode units are electrically connected through the bridge electrode. The first electrode unit includes a first electrode subsection. A vertical projection of the first electrode subsection on a plane where the bridging connection layer is located is within a coverage of the bridge electrode.

Abstract: The present disclosure discloses a reciprocating rock fracture friction-seepage characteristic test device and method. The test device includes an X-axis shear system, a Y-axis stress loading system, a Z-axis stress loading system, a servo oil source system, 5 a pore pressure loading system, and a host. The X-axis shear system includes an X-axis EDC controller, an upper shear box, a lower shear box, an X-axis left hydraulic cylinder, an X-axis right hydraulic cylinder, an X-axis left pressure head, an X-axis right pressure head, an X-axis left pressure sensor, an X-axis right pressure sensor, an X-axis displacement sensor, and an X-axis 10 displacement sensor. The pore pressure loading system includes an air cylinder, a pressure gauge, a pressure reducing valve, a fluid inlet pipeline, a fluid outlet pipeline, and a flowmeter.

Abstract: A low-pollution combustor and a combustion control method therefor. The low-pollution combustor includes a combustor head including a primary combustion stage and a precombustion stage, the primary combustion stage including a primary-combustion-stage channel and a primary-combustion-stage swirler disposed in the primary-combustion-stage channel. The primary combustion stage includes a pre-film plate disposed in the primary-combustion-stage channel, and the pre-film plate is radially divided into an outer-layer pre-film plate and an inner-layer pre-film plate.

Abstract: A pulse hydraulic fracturing tool of coiled tubing dragging with bottom packer includes a pulse frequency regulating device and liquid jetting device connected to each other. The pulse frequency regulating device has a rotor, a rotating member, a fixed member and a stator. An eccentric setting is arranged between the stator and the rotor. A part of a first fluid provided by the coiled tubing flows into the jet cavity through the channel in the rotor, and drives the rotor to rotate with another part of the first fluid, such that a first passing region is formed between the rotating member and the fixed member in a predetermined pulse frequency. The another part of the first fluid flows into the jet cavity through the first passing region. The nozzle ejects two parts of the first fluid mixed in the jet cavity out.

Abstract: A modified carbon material, including a carbonaceous material and a water-insoluble modifier combined with the carbonaceous material, wherein the water-insoluble modifier is CuO, the carbonaceous material is one of or a mixture of biomass carbon or carbon black, a mass of the water-insoluble modifier is being 0.1-10 wt % of the carbonaceous material. The method for preparing the modified carbon material includes: (1) soaking the carbonaceous material in a copper sulfate solution for 5 to 36 hours, and (2) adding an alkali solution into a solution obtained in step (1) to provide a pH value ?12, and after keeping the pH value for 0.5 to 2 hours, filtering and drying to obtain a solid. (3) using the carbonaceous material as a combustion heat source to reduce the ignition temperature, increase or reduce the peak thermal power temperature.

Abstract: A pulse hydraulic fracturing tool of coiled tubing dragging with bottom packer includes a pulse frequency regulating device and liquid jetting device connected to each other. The pulse frequency regulating device has a rotor, a rotating member, a fixed member and a stator. An eccentric setting is arranged between the stator and the rotor. A part of a first fluid provided by the coiled tubing flows into the jet cavity through the channel in the rotor, and drives the rotor to rotate with another part of the first fluid, such that a first passing region is formed between the rotating member and the fixed member in a predetermined pulse frequency. The another part of the first fluid flows into the jet cavity through the first passing region. The nozzle ejects two parts of the first fluid mixed in the jet cavity out.

Abstract: Disclosed are a display panel and a display device. The display panel includes a display region; a non-display region around the display region; a touch layer including first touch electrodes and second touch electrodes, the first touch electrodes extend along a first direction and are arranged along a second direction, the second touch electrodes extend along the second direction and are arranged along the first direction, the first direction intersects with the second direction; a touch chip, each first touch electrode is connected to the touch chip through a first touch lead, each second touch electrode is connected to the touch chip through a second touch lead; an electrostatic protective layer disposed around the display region; an encapsulation element disposed around the display region. In a direction perpendicular to the display panel, the electrostatic protective layer covers at least the first touch lead and covers the encapsulation element.