Abstract: A skeleton assembly of an umbrella-shaped canopy on top of a playpen, including a skeleton and a connection base, is provided. The skeleton is an umbrella-style skeleton including a notch and multiple first support frames, where a second end of each first support frame is fixedly connected to one of the connection bases, the connection base is configured to be fixedly clamped with a corner portion at the top of the playpen, the corner portion of the playpen includes a vertical rod, a first horizontal rod, and a second horizontal rod that are connected at an intersection point, and the connection base is provided with a first notch, a second notch, and a third notch that are used to be respectively clamped with the vertical rod, the first horizontal rod, and the second horizontal rod of the corner portion.

Abstract: A synchronous single-liquid grouting slurry, its technology and application for large diameter shield engineering under water-rich, high-pressure and weak soil strata conditions, comprising raw materials: 1050-1200 parts of gold tailing, 420-480 parts of silicate cement clinker, 220-240 parts of fly ash, 45-120 parts of waste clay brick, 65-95 parts of slag, 25-45 parts of limestone tailing, 70-80 parts of steel slag, 30-45 parts of silica fume, 15-22 parts of desulfurized gypsum, and 9-15 parts of quick-setting and early-strength composite additive. The invention controls the d50, d85 and d95 of the material particles as 35-40, 42-48 and 50-55 ?m, respectively. Gold tailing with the particle size of 120-600 ?m being used as the fine aggregate, their volume fractions are 40-60%. The slurry production technique, comprising crushing-sieving-superfine ball milling-homogenization-particle size classification-variable speed mixing being developed.

Abstract: The present application relates to a folding cross bar and a baby crib. The folding cross bar includes: a first bar body and a second bar body that are relatively foldable or unfoldable, where a first gear and a second gear are fixedly assembled at an opposite end of the first bar body and an opposite end of the second bar body respectively and meshed with each other; and a protective shell covering outer end surfaces of the first and second gears. The protective shell is arranged to seal the first and second gears, thereby preventing a child from contacting with the first and second gears to be pinched.

Abstract: A spacer insertion device is disclosed. The spacer insertion device comprises a spacer insertion mechanism fixed on a base body of a core detection device of a coring instrument, wherein the spacer insertion mechanism comprises a slider and a cylinder body, an output end of the cylinder body is connected with the slider, and the slider is slidably connected with the base body to push a spacer to the a core channel provided in the base body and in communication with a core barrel.

Abstract: The invention relates to an automated driving control system, including: a data exchange unit configured to obtain video data streams and distribute the video data streams to at least one computing unit; the at least one computing unit configured to compute perception result data based on the video data streams; a sensor fusion unit configured to fuse the perception result data and sensor data, to obtain fusion result data; and a planning control unit configured to generate a driving control instruction based on the fusion result data, where the planning control unit or the sensor fusion unit is configured to provide a bypass of the data exchange unit. When anomalies occur in any of the units, the automated driving control system may provide a corresponding bypass to keep an automated driving function going.

Abstract: Embodiments of the present invention disclose an AI processing method and an AI processing apparatus. The method is applied to the AI processing apparatus. An AI processor has at least two working modes, and security of the at least two working modes is different. The method includes: processing, by the AI processor, an AI processing request in a target mode. The target mode is one of the at least two working modes, and the target mode is a working mode determined based on the AI processing request. The AI processor has at least two working modes with different security, and may switch between different working modes.

Abstract: A foldable crib includes a side rail and an underframe. The side rail includes foldable horizontal bars. The foldable horizontal bar includes a first locking mechanism and a movable unlocking member. The movable unlocking member has a first unlocking stroke for unlocking the first locking mechanism. The underframe includes a lifting and flipping mechanism. The lifting and flipping mechanism includes a second locking mechanism and a handle. The handle has a second unlocking stroke for unlocking the second locking mechanism. The handle is linked with the movable unlocking member through a first linkage structure such that the second unlocking stroke of the handle is capable of causing the first unlocking stroke of the movable unlocking member. A second linkage structure is configured to link the foldable horizontal bar to be unfolded when the underframe is unfolded.

Abstract: The disclosure relates to a data processing device for driving assisting, a data processing method for driving assisting, and associated storage medium and vehicle. The data processing device for driving assisting includes: a data processing system configured to receive and process a plurality of vehicle data; and a processing control system configured to perform degradation control under the condition that the data processing system is degraded, to receive and process the plurality of vehicle data in a degradation mode. The data processing device for driving assisting, the data processing method for driving assisting, and the associated storage medium and vehicle perform reasonable division of processing task and degradation control on the data processing system and the processing control system, thereby under the condition that modules in the data processing device stop operating, other modules can be allocated to take over the task timely and effectively.

Abstract: The application proposes a bracket, a bracket assembly, a device arranged on vehicle roof and a vehicle, which are applied in the field of automobile technology. The bracket comprises: a first bracket body mounted to the top of the vehicle; and a connecting body comprising: a first connecting piece arranged on the left side of the first bracket body and mounted with a first image sensor, and a second connecting piece arranged on the right side of the first bracket body and mounted with a second image sensor, wherein the first connecting piece and the second connecting piece are arranged above A pillars of the vehicle.

Abstract: A method for preparing high-purity lithium sulfide by using industrial-grade butyllithium includes the following steps: step A: under an inert gas condition, thoroughly mixing 1.5-2.5 g of lithium chloride, 0.5 L of an industrial-grade n-butyllithium solution (2.5 mol/L) and 1.5-2.5 L of n-hexane to obtain a mixed solution, and charging the mixed solution into a sealed container; step B: under the sealed condition, firstly introducing H2S gas into a gas-washing bottle through a submerged pipe at a rate of 10.5 L/h, then introducing into the mixed solution through the submerged pipe, controlling the reaction temperature at 25-40° C., and continuously stirring for reaction for 4-6 h to obtain a reaction slurry; and step C: under an inert gas condition, filtering the reaction slurry with a G3 sand core funnel to obtain a crude lithium sulfide solid wet material.

Abstract: A method for preparing lithium sulfide by using metallic lithium includes: step A: placing 0.05-0.1 kg of metallic lithium and a corresponding sulfur powder into a 5-10 L sealed container under an inert condition according to a mass ratio of 1:0.8-1:1; step B: placing the sealed container charged with lithium and the sulfur powder in step A into a vacuum oven at 250-300° C. and holding for 2-3 h, then adding an equal amount of sulfur as in step A followed by heat preservation for 2-3 h, and finally adding an equal amount of sulfur as in step A followed by heat preservation for 2-3 h; and step C: placing a crude lithium sulfide product obtained after high-temperature firing into a sealed ball-milling tank, and performing ball-milling at room temperature at a rotation speed of 100-500 r/min for 12-24 h.

Abstract: A core detection device of a coring instrument includes a base body and a core switch mechanism provided on the base body. The base body is provided with a core channel communicated with a core barrel. The core switch mechanism includes a detection portion, a connecting rod assembly and a travel switch which are sequentially arranged and connected along a length direction of the coring instrument. The detection portion is rotatably installed on the base body and one end thereof is extended into the core channel, so that a core passing through the core channel pushes the detection portion to rotate. The connecting rod assembly can be pulled by the rotating detection portion to trigger the travel switch to operate. The core switch mechanism adopts a slider-connecting rod structure, and the kinematic pairs are mainly a sliding pair and a rotating pair.

Abstract: A synchronous single-liquid grouting slurry, its technology and application for large diameter shield engineering under water-rich, high-pressure and weak soil strata conditions, comprising raw materials: 1050-1200 parts of gold tailing, 420-480 parts of silicate cement clinker, 220-240 parts of fly ash, 45-120 parts of waste clay brick, 65-95 parts of slag, 25-45 parts of limestone tailing, 70-80 parts of steel slag, 30-45 parts of silica fume, 15-22 parts of desulfurized gypsum, and 9-15 parts of quick-setting and early-strength composite additive. The invention controls the d50, d85 and d95 of the material particles as 35-40, 42-48 and 50-55 ?m, respectively. Gold tailing with the particle size of 120-600 ?m being used as the fine aggregate, their volume fractions are 40-60%. The slurry production technique, comprising crushing-sieving-superfine ball milling-homogenization-particle size classification-variable speed mixing being developed.

Abstract: This invention discloses a double-liquid grouting slurry, its technology and application for super large diameter underwater shield engineering under high water pressure condition. The materials of slurry I are: 35-45 parts of cement clinker; 15-25 parts of slag; 24-35 parts of fly ash; 15-25 parts of steel slag; 5-15 parts of bentonite; 4-10 parts of limestone tailing; 0.3-2.0 parts of water reducing agent; 0.5-2.5 parts of cellulose. The materials of slurry II are: 0.2-3.8 parts of short-cut fiber; 96-99 parts of sodium silicate solution; 0.8-4.8 parts of viscous polymers. This invention generates the double-liquid slurry preparation process including crushing-screening-milling-group mixing-grouped mixing at different speeds, the volume ratio of slurry I and II is 1:1-10:1 during grouting, and the slurry is injected into the shield void through the six-point position technology at the shield tail and 3+2+1 segment splicing synchronous grouting techniques.