Abstract: Systems, methods, and non-transitory media are provided for dynamically switching frame rates without changing a display refresh rate. An example method can include receiving, from a display device associated with a computing device, a set of control signals indicating a display refresh rate implemented by the display device; adjusting a frame rate associated with application data from one or more applications executed on the computing device; synchronizing, based on the set of control signals, the adjusted frame rate with two or more display refresh cycles, each display refresh cycle being based on the display refresh rate; providing, to the display device, a first frame at the adjusted frame rate, the first frame being generated based on the application data; and displaying the first frame at the display device implementing the display refresh rate.

Abstract: The technology of this application relates to an image sensor and an electronic device, to increase photosensibility, improve utilization of light that is incident to the image sensor, and reduce crosstalk between bands. The image sensor includes at least one photosensitive pixel. Each photosensitive pixel includes a plurality of nano antenna layers. The plurality of nano antenna layers are arranged in an overlapping manner. Each nano antenna layer includes at least one nano antenna. The at least one nano antenna is configured to generate resonance for incident light. Different nano antenna layers generate resonance for incident light of different bands or different polarization directions. An output signal of the nano antenna layers is used to obtain an image.

Abstract: The present disclosure provides a risk assessment method of water inrush in tunnels constructed in water-rich grounds. The method includes the following steps: simulating a tunnel excavation process by finite element software MIDAS GTS NX and fluid-structure interaction; according to a research method of control variables, analyzing effects of a groundwater level, an elastic modulus and advanced pipe shed grouting on the stability of surrounding rock, and improving an algorithm of a radial basis function (RBF) neural network using a Grey Relation Analysis (GRA)-based Partitioning Around Medoid (PAM) clustering algorithm to assess risks of water inrush occurring in Qingdao area.

Abstract: A solid electrolyte, including sulfide-based solid electrolyte particles and a coating layer disposed on the surface of the sulfide-based solid electrolyte particles and including a metal alkoxide.

Abstract: Disclosed is a carbon-dioxide-responsive self-thickening intelligent fluid based on supramolecular self-assembly, which comprises a Gemini surfactant, a single-chain amide molecule having a tertiary amine head group and water, wherein the Gemini surfactant and the single-chain amide molecule are self-assembled to form a vesicle structure dispersed in water, with a hydrophilic head group being located outside and a hydrophobic tail group located inside. The method for preparing the carbon-dioxide-responsive self-thickening intelligent fluid of the present invention is simple, the injection viscosity is low, and the fluid is converted into a gel when encountering carbon dioxide, so that the viscosity is greatly increased.

Abstract: The present disclosure provides a multi-factor quantitative analysis method for deformation of a neighborhood tunnel. The method includes the following steps: analyzing monitoring data generated at a tunnel site; simulating collapse occurring at a shallow buried section of a tunnel; determining the degree of influence of each factor on the tunnel and a stratum; and determining quantitative influence of each factor on tunnel deformation. The present disclosure can not only provide an accurate theoretical basis for the construction of the shallow buried section of the small-distance tunnel, but also guarantee safety and cost saving during tunnel construction.

Abstract: Systems, methods, and non-transitory media are provided for dynamically switching frame rates without changing a display refresh rate. An example method can include receiving, from a display device associated with a computing device, a set of control signals indicating a display refresh rate implemented by the display device; adjusting a frame rate associated with application data from one or more applications executed on the computing device; synchronizing, based on the set of control signals, the adjusted frame rate with two or more display refresh cycles, each display refresh cycle being based on the display refresh rate; providing, to the display device, a first frame at the adjusted frame rate, the first frame being generated based on the application data; and displaying the first frame at the display device implementing the display refresh rate.

Abstract: The present invention relates to the field of anode materials of lithium batteries, and in particular, relates to a silicon/carbon composite material with a highly compact structure. The silicon/carbon composite material with the highly compact structure includes silicon particles and a carbon coating layer, and further includes a highly compact carbon matrix, wherein the silicon particles are distributed inside the highly compact carbon matrix evenly and dispersively and forms an inner core; and the silicon/carbon composite with the highly compact structure is compact inside without voids or has few closed voids inside. The present invention provides the silicon/carbon composite material with the highly compact structure with a reduced volumetric expansion effect and an improved cycle performance, a method for preparing the same, and a use thereof.

Abstract: A three-dimensional porous silicon/carbon composite material includes a three-dimensional porous skeleton, a filler layer, and a coating layer. The three-dimensional porous skeleton is a three-dimensional porous carbon skeleton; the filler layer includes silicon particles and conductive carbon; the filler layer is formed by scattering the silicon particles evenly and dispersively in the conductive carbon; and the coating layer is a carbon coating layer. The present invention provides the three-dimensional porous silicon/carbon composite material with long cycle and low expansion, a method for preparing the same, and a use thereof.

Abstract: A silicon-carbon composite material includes a matrix core, a silicon-carbon composite shell formed by uniformly dispersing nano silicon particles in conductive carbon, and a coating layer. The nano silicon particles are formed by high-temperature pyrolysis of a silicon source, and the conductive carbon is formed by high-temperature pyrolysis of an organic carbon source. The coating layer is a carbon coating layer including at least one layer, and the thickness of its single layer is 0.2-3 ?m. A silicon-carbon composite material precursor is formed by simultaneous vapor deposition and is then subjected to carbon coating to form the pitaya-like silicon-carbon composite material which has advantages of high first-cycle efficiency, low expansion and long cycle. The grain growth of the silicon material is slowed down during the heat treatment process, the pulverization of the material is effectively avoided, and the cycle performance, conductivity and rate performance of the material are enhanced.

Abstract: A lithium-containing silicon oxide composite anode material has a core-shell structure which includes a core and a shell. The core includes nano-silicon, Li2SiO3 and Li2Si2O5, and the shell is a conductive carbon layer wrapping the core. The invention provides a lithium-containing silicon oxide composite anode material which is able to maximize the reversible capacity and has a long cycle life, and a lithium ion battery containing the lithium-containing silicon oxide composite anode material. The invention further provides a method for preparing a lithium-containing silicon oxide composite anode material, which is simple in process, environmentally friendly and free of pollution.

Abstract: The present invention relates to the field of anode materials of lithium batteries, and in particular, relates to a silicon/carbon composite material with a highly compact structure. The silicon/carbon composite material with the highly compact structure includes silicon particles and a carbon coating layer, and further includes a highly compact carbon matrix, wherein the silicon particles are distributed inside the highly compact carbon matrix evenly and dispersively and forms an inner core; and the silicon/carbon composite with the highly compact structure is compact inside without voids or has few closed voids inside. The present invention provides the silicon/carbon composite material with the highly compact structure with a reduced volumetric expansion effect and an improved cycle performance, a method for preparing the same, and a use thereof.

Abstract: A three-dimensional porous silicon/carbon composite material includes a three-dimensional porous skeleton, a filler layer, and a coating layer. The three-dimensional porous skeleton is a three-dimensional porous carbon skeleton; the filler layer includes silicon particles and conductive carbon; the filler layer is formed by scattering the silicon particles evenly and dispersively in the conductive carbon; and the coating layer is a carbon coating layer. The present invention provides the three-dimensional porous silicon/carbon composite material with long cycle and low expansion, a method for preparing the same, and a use thereof.

Abstract: A carbon-based anode material having a surface formed with slightly oxidized pores, includes by weight: 10-30 parts of clay minerals, 5-8 parts of chitosan, 0.1-1 part of a cationic polymer, 0.1-1 part of tris-1-(2-methylaziridinyl) phosphine oxide, 3-8 parts of a conductive agent, 3-8 parts of absolute ethyl alcohol, 1-3 parts of potassium oxalate, and 10-15 parts of a binder. According to the invention, the cationic polymer and the tris-1-(2-methylaziridinyl) phosphine oxide are added on the basis of the chitosan and the clay minerals, the cationic polymer contains polynuclear olation complex ions with a high positive electrovalence, thus being able to closely adhering to the surface of clay to form a three-dimensional net structure, so multiple slightly oxidized pores are formed in the surface of the obtained carbon-based material in a carbonization process, and the finally obtained carbon-based anode material has good charge-discharge performance and cycle performance.

Abstract: The present invention relates to the field of anode materials for batteries, and in particular, relates to a self-filled coated silicon-based composite material. The self-filled coated silicon-based composite material is composed of a nano-silicon material, a filler material, and a surface modification material. The nano-silicon material has a particle size D50 being less than 200 nm; and the filler material is a carbon filler material filled among the nano-silicon material. The present invention provides the self-filled coated silicon-based composite material having the advantages of high initial efficiency, low expansion, long cycle, and the like. The present invention further provides a method for preparing the self-filled coated silicon-based composite material, and a use of the self-filled coated silicon-based composite material, which is simple and practicable in process and stable in product performance, and shows good application prospects.

Abstract: A multi-element-coating silicon-based composite material with high initial efficiency consists of a plurality of multi-element nano-silicon particle and a modified layer; the multi-element nano-silicon particle includes a first nano-silicon layer, a nano-silicon oxide layer, a second nano-silicon layer and a carbon coating layer in sequence from inside to outside; and the filled and modified layer is a carbon filled and modified layer. The present invention provides the multi-element-coating silicon-based composite material with high initial efficiency, a method for preparing the same, and a use thereof. The multi-element-coating silicon-based composite material with high initial efficiency is simple and practicable in process and stable in product performance, and has good application prospects.

Abstract: The present invention relates to the field of anode materials for batteries, and in particular, relates to a silicon-based composite material with a pomegranate-like structure. The silicon-based composite material with the pomegranate-like structure is composed of nano-silicon particles, exfoliated graphite, and a filler modification layer. The nano-silicon particles are dispersed in pores inside the exfoliated graphite. The filler modification layer is filled in the nano-silicon particles or filled between the nano-silicon particles and the exfoliated graphite. The present invention provides the silicon-based composite material with the pomegranate-like structure and a method for preparing the same, whereby a volumetric expansion effect can be reduced, and a cycle performance and a rate performance can be improved.

Abstract: A silicon-carbon composite material includes a matrix core, a silicon-carbon composite shell formed by uniformly dispersing nano silicon particles in conductive carbon, and a coating layer. The nano silicon particles are formed by high-temperature pyrolysis of a silicon source, and the conductive carbon is formed by high-temperature pyrolysis of an organic carbon source. The coating layer is a carbon coating layer including at least one layer, and the thickness of its single layer is 0.2-3 ?m. A silicon-carbon composite material precursor is formed by simultaneous vapor deposition and is then subjected to carbon coating to form the pitaya-like silicon-carbon composite material which has advantages of high first-cycle efficiency, low expansion and long cycle. The grain growth of the silicon material is slowed down during the heat treatment process, the pulverization of the material is effectively avoided, and the cycle performance, conductivity and rate performance of the material are enhanced.

Abstract: Provided are a method for producing a soluble recombinant human-basic fibroblast growth factor (rh-bFGF), a recombinant human-basic fibroblast growth factor (rh-bFGF) obtained by the method, and a mutated nucleic acid molecule encoding the recombinant human-basic fibroblast growth factor (rh-bFGF).

Abstract: Provided are a method for producing a soluble recombinant human-basic fibroblast growth factor (rh-bFGF), a recombinant human-basic fibroblast growth factor (rh-bFGF) obtained by the method, and a mutated nucleic acid molecule encoding the recombinant human-basic fibroblast growth factor (rh-bFGF).