Abstract: The present invention discloses a boom monitoring method and engineering machinery comprising a boom monitoring system. The method comprises obtaining a boom damage signal monitored in boom operation by a piezoelectric sensing network formed by a plurality of piezoelectric sensors arranged at different points on a boom, and determining a damage position of the boom and a corresponding first boom damage value such that when the first boom damage value reaches a preset starting value of an optical fiber sensing network formed by a plurality of optical fiber sensors arranged at the different monitoring points on the boom, optical wave values of the corresponding monitoring points are obtained and a boom crack signal is determined. A second boom damage value is calculated according to the boom crack signal, which comprises a crack change factor and a crack length. According to the present invention, the boom is monitored with improved efficiency.

Abstract: An electronic package and a manufacturing method thereof are provided, in which an electronic element is disposed on a carrier structure, a heat conduction layer is formed on the electronic element, and a heat dissipation member having a recess portion is disposed on the heat conduction layer to cover the electronic element. Therefore, the arrangement of the recess portion can buffer the flow of the heat conduction layer to facilitate the formation of an intermetallic structure with sufficient thickness between the heat dissipation member and the electronic element, and the heat dissipation effect of the electronic element can meet expectations.

Abstract: A showerhead includes an inlet configured to receive water from the supply conduit. An inner spray portion is coupled to the inlet. A first spray outlet is coupled to the inner spray portion, and the first spray outlet selectively receives water from the inlet and discharges water from the showerhead in a first discharge direction. An outer spray portion is pivotably coupled to the inner spray portion. A second spray outlet is coupled to the outer spray portion, and the second spray outlet selectively receives water from the inlet and discharges water from the showerhead in a second discharge direction. A third spray outlet is coupled to the outer spray portion, and the third spray outlet selectively receives water from the inlet and discharges water from the showerhead in a third discharge direction. The third discharge direction is substantially opposite the second discharge direction.

Abstract: A display driving method and a display device are provided. The display driving method includes following steps: obtaining frame data of a current frame; driving a first pixel according to a first grayscale value corresponding to the first pixel in the frame data; determining whether a second grayscale value corresponding to a second pixel in the frame data is significantly different from the first grayscale value corresponding to the first pixel; obtaining a new second grayscale value when the second grayscale value is significantly different from the first grayscale value; and driving the second pixel according to the new second grayscale value. The display driving method and display device of the disclosure may achieve good display effects.

Abstract: An imaging system includes a pixel array with odd and even pixel cells. Each of the odd and even pixel cells includes a photodiode, a floating diffusion, a transfer transistor, a reset transistor, a lateral overflow integration capacitor (LOFIC), and an overflow gate (OFG) transistor. The imaging system further includes a readout circuit with a sample and hold (SH) circuit and an analog to digital converter. The OFG transistor of each of the odd and even pixel cells is configured to direct the image charge photogenerated by the respective photodiode away from the respective transfer transistor and reduce photodiode exposure shift during LOFIC readouts during a global transfer period.

Abstract: A pixel circuit includes a photodiode configured to photo generate image charge in response to incident light, a floating diffusion coupled to receive the image charge from the photodiode, a transfer transistor coupled between the photodiode and the floating diffusion to transfer the image charge from the photodiode to the floating diffusion, a reset transistor coupled between a variable voltage source and the floating diffusion, wherein the reset transistor is configured to be switched in response to a reset control signal, and a lateral overflow integration capacitor (LOFIC) coupled between the variable voltage source and the floating diffusion. The variable voltage source is configured to output a high-voltage level during a high conversion gain (HCG) reset signal readout and an HCG image signal readout, and a mid-voltage level during a LOFIC image signal readout and a LOFIC reset signal readout.

Abstract: A recycled material based on in-situ compatibilization and chain extension is mainly prepared from the following raw materials in parts by mass: 30-70 parts of waste HIPS, 30-70 parts of waste PP, 2-6 parts of POE, 0.1-0.4 part of an alkylation reaction catalyst, 0.1-0.3 part of a co-catalyst, and 2-8 parts of a macromolecular chain extender. Further, a preparation method for the recycled material based on in-situ compatibilization and chain extension is provided.

Abstract: Provided are keratin BD-4, an encoding nucleic acid molecule thereof, an expression vector, a host cell, and a pharmaceutical composition containing the keratin. The keratin BD-4 can be used for preparing drugs having antipyretic and analgesic, antitussive and expectorant, and antiepileptic effects.

Abstract: A product state quantification and remaining life prediction method, the method comprising: T1, acquiring design data and operating data of a product; T2, establishing a design model of the product on the basis of the design data, performing data fusion according to the design data and operating data to obtain a predicted performance curve of the product, and selecting an optimized operating state point in the predicted performance curve; and T3, establishing a cost model and an operating flexibility model of the product on the basis of the predicted performance curve, and calculating a remaining life prediction of the product according to a performance demand or operating cost of the product.

Abstract: A heterogeneous image registration method includes: performing edge detection on collected images, in combination with a curvature scale space strategy to extract contour curved segments in an edge image. Implementing a feature point detection strategy based on global and local curvature detecting feature points in the contour curved segments, and obtaining the nearest minimum local curvature of the feature points pointing to starting and end points of the contour, respectively. Calculating the number of neighborhood sampling points and neighborhood auxiliary feature points of neighborhoods on both edges of each of the feature points according to the nearest minimum local curvature. Using neighborhood auxiliary feature points and feature points to form a feature triangle, calculating an angle bisector vector and a main direction corresponding to the feature point in the feature triangle.

Abstract: A showerhead includes an inlet configured to receive water from the supply conduit. An inner spray portion is coupled to the inlet. A first spray outlet is coupled to the inner spray portion, and the first spray outlet selectively receives water from the inlet and discharges water from the showerhead in a first discharge direction. An outer spray portion is pivotally coupled to the inner spray portion. A second spray outlet is coupled to the outer spray portion, and the second spray outlet selectively receives water from the inlet and discharges water from the showerhead in a second discharge direction. A third spray outlet is coupled to the outer spray portion, and the third spray outlet selectively receives water from the inlet and discharges water from the showerhead in a third discharge direction. The third discharge direction is substantially opposite the second discharge direction.

Abstract: A crane counterweight block alignment detection and control method, a crane counterweight block alignment detection and control device, and a crane. The crane counterweight block alignment detection and control method comprise: a counterweight block being provided with mounting holes for matching with positioning pins on a crane, detecting the center position of the counterweight block, and calculating the relative offset between the center position and the position of the positioning pins; detecting the relative positions of the mounting holes in the counterweight block and the positioning pins, and calculating, according to the positions, a relative rotation angle of the counterweight block for aligning the mounting holes with the positioning pins; and controlling, according to the relative offset and relative rotation angle, the movement of the counterweight block to enable the mounting holes in the counterweight block to be aligned with and installed onto the positioning pins.

Abstract: A flow distribution control method for a hydraulic system, the hydraulic system comprising N loops L1-LN. The flow distribution control method comprises the following steps: S1: comparing pressures P1-PN at an inlet of an actuator in each loop of the hydraulic system; S2: according to the comparison result, determining a loop Lp1 which requires flow compensation; and S3: conducting flow compensation on the loop Lp1 according to the theoretical flow of the loop Lp1 and an actual flow in the loop Lp1 which flows into the actuator, wherein the number of loops in the loop Lp1 is less than or equal to N. Also disclosed are a flow distribution control device and a flow distribution control apparatus for the hydraulic system, the hydraulic system and a non-transitory computer-readable medium.

Abstract: The present application relates to a stopping method and apparatus for a device with a hoisting mechanism and a crane. The method includes: generating a displacement change rate according to position offset information of a hoisting handle of the device when the position offset information meets a triggering condition; comparing the displacement change rate with a preset threshold to generate a stopping control instruction; and controlling an overhead system of the device to perform deceleration stopping according to the stopping control instruction. The stopping method and apparatus for the device with the hoisting mechanism, the crane, the electronic device and the computer readable medium involved in the present application may achieve the purpose of rapid stopping control only through the hoisting handle of the device, and reduce the requirement for the driver's reaction time and increase the safety of the device when emergency stopping is required.

Abstract: A method for compensating boom deflection comprising: determining a joint angle set of a boom if an end of the boom were to reach a predetermined target position when viewed as a rigid body, wherein the joint angle set comprises an angle of each joint of the boom; determining an actual position that the joint angle set causes the end to reach; determining the deviation between the actual and predetermined target positions; and when the deviation does not satisfy a predetermined condition, continuing to adjust the joint angle set until the deviation satisfies the predetermined condition. The end of the boom can consequently more accurately reach the predetermined target position. The present invention further relates to a method for controlling a boom, an apparatus for compensating boom deflection, an apparatus for controlling a boom, a construction machine, and a computer-readable storage medium.

Abstract: The present invention relates to the technical field of endoscopes, and discloses a confocal endoscope with a fixing device.

Abstract: An electronic device includes a display unit, a voltage generation unit, a grayscale adjustment unit, and an overdriving unit. The display unit has a relationship curve between the transmittance and the driving voltage. The relationship curve has a predetermined voltage value corresponding to the maximum transmittance. The voltage generation unit generates a first voltage according to a first grayscale, and generates a second voltage according to a second grayscale. The grayscale adjustment unit receives a first display grayscale value, and outputs the second grayscale value when the first display grayscale value is equal to the first grayscale. The overdriving unit overdrives the second voltage corresponding to the second grayscale to obtain a first target driving voltage, and it provides the first target driving voltage to the display unit.

Abstract: A method including: transmitting, by a control device, a first portion of content comprising a first portion of a signal corresponding to a multimedia presentation characteristic of a peripheral device; receiving, when an adjustment of the signal is below an adjustment threshold, a first instance of an input indicating a request to change the multimedia presentation characteristic; in response to receiving the first instance of the input, adjusting a second portion of the signal and transmitting a second portion of the content comprising the adjusted second portion of the signal; receiving, when the adjustment of the signal is at or above the adjustment threshold, a second instance of the input; and transmitting, in response to receiving the second instance of the input, a communication signal to the peripheral device to adjust a peripheral device control of an output of the multimedia presentation characteristic.

Abstract: A semiconductor cleaning solution for cleaning a surface of a semiconductor device, and a method of use and a method of manufacture of the cleaning solution are disclosed. In an embodiment, a material is polished away from a first surface of the semiconductor device and the first surface is cleaned with the cleaning solution. The cleaning solution may include a host having at least one ring. The host may have a hydrophilic exterior and a hydrophobic interior.

Abstract: A semiconductor cleaning solution for cleaning a surface of a semiconductor device, and a method of use and a method of manufacture of the cleaning solution are disclosed. In an embodiment, a material is polished away from a first surface of the semiconductor device and the first surface is cleaned with the cleaning solution. The cleaning solution may include a host having at least one ring. The host may have a hydrophilic exterior and a hydrophobic interior.