Abstract: A friction stir tool cooling method is used for cooling a stirring pin and/or a shaft shoulder of a friction stir tool, it includes that the coolant is introduced into an inlet of a cooling channel, the cooling channel is provided inside the friction stir tool, and the inlet is provided on the side wall of the friction stir tool. The coolant flows downwards to the vicinity of the stirring pin and/or the shaft shoulder, the coolant turns upwards and flows out of the friction stir tool from an outlet. The outlet is provided on the side wall of the friction stir tool.

Abstract: The present application discloses a solid-phase molding processing method, which includes: heating the heating ring to generate heat in the heating ring; the heat generated by the heating ring is conducted downwardly through the stir body to a shaft shoulder and/or a welding pin of the tool head; driving the stir friction tool to rotate to deform the to-be-processed workpiece to generate friction heat; converging the friction heat with the heat conducted to the tool head to heat and soften the to-be-processed workpiece, to form a plastic deformation flow; and translating the stir friction tool, to make the plastic deformation flow deposited behind the tool head to form a molding portion.

Abstract: A solid state additive method includes: disposing a round consumable rod in a hollow stirring tool; based on a coating layer height, setting a gap between a bottom surface of the hollow stirring tool and a base surface; driving the hollow stirring tool to rotate at a first rotation speed; driving the consumable rod to rotate at a second rotation speed, where the second rotation speed and the first rotation speed are different in angular speed to form a differential, such that the consumable rod rubs against an inner wall of the hollow stirring tool to generate thermal deformation so as to obtain a plastic deformation flow in the hollow stirring tool; pressing the consumable rod downward to enable the plastic deformation flow to be in friction contact with the base surface; translating the hollow stirring tool and stirring the base surface.

Abstract: An antenna attitude fast measurement system and a method are provided. The measurement system includes a data processing unit, a stereo calibration unit, at least two detector measurement units, and a plurality of target marker units; the target marker unit is arranged on the back of the antenna main reflector of the antenna system to be measured; the detector measurement unit is arranged outside the circumference of the antenna system to be measured; and the stereo calibration unit is arranged directly below the center of the antenna main reflector of the antenna system to be measured. Any two adjacent detector measurement units have a field-of-view intersection area, and there is at least one target marker unit within the field-of-view intersection area. The total number of target marker units in all field-of-view intersection areas is ?3. The data processing unit is electrically connected to the detector measurement unit.

Abstract: Methods and systems for responding to an operational event are provided. Aspects include receiving a notification of the operational event, obtaining a first set of recommendation actions for responding to the operational event, and providing the first set of recommendation actions to a user responding to the operational event. Aspects also include capturing a first response action performed during responding to the operational event, obtaining, based at least in part on the first response action, a second set of recommendation actions for responding to the operational event, displaying the second set of recommendation actions based to the user responding to the operational event, capturing a second response action performed during responding to the operational event, and generating a final outcome report of the operational event including the first response action, the second response action, and an automatically captured timestamp of the first response action and the second response action.

Abstract: The disclosure provides a fine-grain tin-phosphor bronze alloy strip and a preparation method thereof. The fine-grain tin-phosphor bronze alloy strip comprises the following elements in percentage by mass: 4.0-10 wt % of Sn, 0.01-0.3 wt % of P and the balance of Cu and inevitable impurity elements, the average grain size of the tin-phosphor bronze alloy strip is 1-3 ?m, the grain size is in normal distribution, and the standard deviation of the grain size is 0.9 ?m or below; the proportion of the total low-?CSL grain boundary in the tin-phosphor bronze alloy strip in the whole grain boundary is 66-74%, and in the total low-?CSL grain boundary, the ratio range of (?9+?27)/?3 is 0.12-0.23:1. The fine-grain tin-phosphor bronze alloy strip of this disclosure enables a finished strip can have the tensile strength and the excellent bending performance at the same time.

Abstract: The disclosure provides a modified tin-phosphor bronze alloy and a preparation method thereof. The modified tin-phosphor bronze alloy comprises the following elements in percentage by mass: 4.0-10 wt % of Sn, 0.01-0.3 wt % of P and the balance of Cu and inevitable impurity elements, the average grain size of the modified tin-phosphor bronze alloy is 1-3 ?m, the grain size is in normal distribution, and the standard deviation of the grain size is below 0.8 ?m; the proportion of the total low-CSL grain boundary in the modified tin-phosphor bronze alloy in the whole grain boundary is 66-74%, and in the total low-?CSL grain boundary, the ratio range of (?9+?27)/?3 is (0.12-0.23):1. The modified tin-phosphor bronze alloy of this disclosure enables a finished alloy can give consideration to both tensile strength and excellent bending performance.

Abstract: A stiffening girder erection method of a ground-anchored suspension bridge is provided. Clips for all hanger rods of a space main cable suspension bridge are installed such that design center lines of the clips are located in a vertical plane. A first stiffening girder section is installed at a position away from a first tower at a preset distance in a longitudinal direction. A second stiffening girder section is installed at a position away from a second tower at the preset distance along the longitudinal direction. A plurality of third stiffening girder sections are installed one by one in a direction respectively from the first stiffening girder and the second stiffening girder toward a mid-span until a mid-span closure is completed. An azimuth angle of a main cable around a central axis thereof at each of the clips is measured.

Abstract: A related substance of linagliptin intermediate 2-(chloromethyl)-4-methylquinazoline, 4,4?-(2-methylpropane-1,3-diyl)bis(2-(chloromethyl)quinazoline) and a method for synthesizing the related substance (impurity) by reacting 2-(chloromethyl)-4-methylquinazoline with acetaldehyde under an alkaline condition and a purification method are provided. The preparation method is simple and convenient to operate, short in reaction time, high in product purity, and high in yield. The synthesized related substance can be used for qualitative and quantitative analysis of the linagliptin intermediate 2-(chloromethyl)-4-methylquinazoline and API impurities of linagliptin, so that the medication safety of the linagliptin is improved.

Abstract: A container image is deployed, at runtime, on a node within a computing environment. The deploying includes downloading, at runtime, container image content from multiple sites. The downloading includes obtaining a core image of the container image from one or more image registries and updating a local image store with the core image, and obtaining one or more add-ons of the container image from one or more add-on registries and updating a local add-on store with the one or more add-ons. The deployed container image is executed on the node.

Abstract: A computer-implemented method, computer program product, and/or computing system is disclosed for preforming at least one of a performance group consisting of undoing an action in and uninstalling a software application from a computing environment is disclosed. The computer-implemented method, computer program product, and/or computing system includes: building an initial resource dependency graph; building a second resource dependency graph; determining a resulting resource dependency graph to identify dangling resources; and removing the dangling resources. In an embodiment, building at least one of the initial resource dependency graph or the second resource dependency graph includes building a resource ownership graph and extending the resource ownership graph to include associations to form a resource dependency graph.

Abstract: Disclosed is an organic light-emitting diode device including: an electron transport layer, a hole blocking layer and a light emitting layer arranged in a stacked manner; the hole blocking layer includes a first material, and the electron transport layer includes the first material.

Abstract: Methods and systems for reinforcement learning with dynamic agent grouping include gathering information at a first agent using one or more sensors. Shared information is received at the first agent from a second agent. An agent model is trained at the first agent using the gathered information and the shared information. A contribution of the shared information is weighted according to a degree of similarity between the first agent and the second agent. An action is generated using the trained agent model responsive to the gathered information.

Abstract: The present invention discloses a remote-controlled automatic dog-teasing ball, which comprises an upper shell and a lower shell which are spliced into a ball shape, wherein a driving box is arranged in the upper shell and the lower shell, the upper and lower parts of the driving box are respectively provided with a protruding fixed head and a movable head, the movable head and the lower shell are assembled in linkage by splicing; a circuit component and a driving component which are electrically connected are also arranged in the driving box; the fixed head and the circuit component are electrically connected by an elastic part, and the fixed head and the upper shell are elastically abutted and linked; the driving component comprises a motor and a gear, and transmission between the motor and the movable head is achieved by the gear; the circuit component comprises a control motherboard, and at least a receiving module, a vibration switch and an LED lamp are arranged on the control motherboard.