Abstract: A process for producing a heavy metal mediated biochar composite using silicate solidification. Hydrocharis dubia has excellent enrichment of manganese ions in sewage, and is used to treat sewage water to adsorb heavy metals such as lead, manganese and zinc contained in the sewage water into roots, stems and leaves thereof, which are pyrolysed in stages at high temperature with activated red mud and bentonite prior to blending with zeolites, to produce said heavy metal mediated biochar composite; the process significantly extends the migration time of heavy metals, increases the stability of heavy metals and reduces the risk of environmental pollution by heavy metal leakage.

Abstract: A porous biochar for improving heavy pollution and a method for producing the same. Said porous biochar is prepared as follows: arrowhead, which has excellent enrichment of lead, is used to absorb heavy metal lead in polluted water or artificial wetlands, simultaneously absorb heavy metal cadmium, thereafter is dried and treated as a biomass, and then the biomass is calcined in stages with a passivating agent in a high temperature environment, so as to heavy metals such as lead and cadmium be stably coated or enriched in a biochar, which is mixed with Pseudomonas aeruginosa having high resistant, to obtain the porous biochar; the porous biochar has high specific surface area, high porosity and excellent mechanical properties, is very stable under different acid-base environments and oxidizing conditions.

Abstract: A composite biochar for controlling heavy metal pollution and a process for producing the same, in particular enrichment of heavy metals such as arsenic and lead in soil with centipede grass, thereafter centipede grass is sintered with hydroxyapatite, sepiolite and chitosan, and compounded with microorganisms to produce said composite biochar; through the process of the present invention, heavy metals such as arsenic and lead are stably enriched or coated in said composite biochar, significantly reducing the potential hazard of arsenic and lead to the environment, and also providing new developmental ideas for treating heavy metal biomass.

Abstract: A three-dimensional measuring device includes a ball-shaped structure, an X-axis measuring module, a Y-axis measuring module and a Z-axis measuring module. The ball-shaped structure is moved and/or rotated in response to a movement of a movable object. The X-axis measuring module includes a first measuring structure and a first position sensor. The first measuring structure is movable along an X-axis direction and contacted with the ball-shaped structure. The Y-axis measuring module includes a second measuring structure and a second position sensor. The second measuring structure is movable along a Y-axis direction and contacted with the ball-shaped structure. The Z-axis measuring module includes a third measuring structure and a third position sensor. The third measuring structure is movable along a Z-axis direction and contacted with the ball-shaped structure.

Abstract: The present application discloses a communication method, a terminal, a server, a communication system, a computer device and a medium. The communication method includes that a server establishes a connection and feeds back a display control in response to requests of a first terminal and a second terminal; then, the server feeds back function feedback information in response to a function request of the first terminal, and feeds back function feedback information in response to a menu request of the second terminal; and the servers presents multiple interface components and maintains and updates each interface component in response to management operation of a third user.

Abstract: A sheet input module includes: a tray; a support plate pivotally disposed on the tray to form a first included angle with the tray, wherein the support plate supports multiple sheets; and a sheet-stopper structure being pivotally disposed on the tray and providing a stopping function for the sheets. In an interlocking mode, the sheet-stopper structure is driven by the support plate according to a change of the first included angle and rotated relatively to the tray to adjust a second included angle between a stopping surface of the sheet-stopper structure and the sheets. A printing device using the sheet input module is also provided.

Abstract: A method and system for product knowledge fusion are discloses. The method includes following steps: acquiring original data of a product; performing knowledge extraction on the original data of the product to obtain entities, attributes and semantic relationships related to the product; building an entity information knowledge base according to the entities, attributes and semantic relationships related to the products; fusing the semantic relationships and attributes with the entities and matching the entities by adopting a text matching model to obtain original data of the product corresponding to matched entity information; and establishing a knowledge graph of the product according to the matched entity information. The method and system standardize multi-source heterogeneous data with a knowledge fusion method, thus effectively reducing polysemy and unclear references of knowledge caused by different data structures and sources.

Abstract: A method and a system for generating imagery mapping modeling of goblet. The method includes: pre-process collected goblets based on a height of each goblet, and establish a sample library of goblet modeling features; perform dimension reduction processing on the imagery vocabulary, and establish a goblet user imagery adjective pair based on the processing result; a relationship between the goblet modeling and imagery adjective is obtained through the sample library of goblet modeling features and the goblet user imagery adjective pair, and an optimal imagery value is established; input an user-entered imagery value into to the established optimal goblet imagery mapping modeling model, and produces a goblet shape meets an index. It realize users' demand for imagery modeling for the goblet and provide a fast and effective new idea for updating and iterating the goblet modeling scheme with a genetic algorithm and a computer programming technology.

Abstract: A device includes a memory storing a computer program and a processor configured to read the computer program to obtain a content including information acquired in a time sequence, extract characteristics at a plurality of time points from the information, determine a color or a brightness at each of the time points based on the characteristic at the time point, and generate drag bar images each corresponding to one of the time points and including a pixel having the color or the brightness at the one of the time points.

Abstract: A distribution pipe assembly (1) for a heat exchanger (100), a header assembly (20) having the distribution pipe assembly (1), and a heat exchanger (100). The distribution pipe assembly (1) includes a first distribution pipe, the first distribution pipe comprising: a main wall (10) extending in a first direction (D1) serving as an axial direction, and having a first side (11) in a second direction (D2) perpendicular to the first direction (D1), and a second side (12) in the second direction (D2) opposite the first side (11); and a protruding wall (3) protruding, in the second direction (D2), from the main wall (10). The distribution pipe assembly (1) and the heat exchanger (100) improve heat exchange performance of the heat exchanger (100).

Abstract: An unmanned aerial vehicle (UAV) includes one or more processors, and a memory storing instructions. When executed by the one or more processors, the instructions cause the UAV to perform operations including: recognizing a first gesture of a hand; responsive to a recognition of the first gesture, moving the unmanned aerial vehicle to hover above the hand; detecting a distance between the unmanned aerial vehicle and the hand; responsive to a determination that the distance falls in a range, monitoring the hand to recognize a second gesture of the hand; and responsive to a recognition of the second gesture, landing the unmanned aerial vehicle on the hand.

Abstract: Embodiments of the present disclosure provides an imaging method. The method includes detecting a viewing state of a plurality of viewers; calculating points of interest where straight lines of each gaze direction intersect; determining a position where the points of interest are dense as an imaging position of a scene of interest; and moving a mobile object to the imaging position of the scene of interest and starting imaging.

Abstract: An information processing device includes a processor configured to obtain a first point of interest to which a first user pays attention in a first image and obtain a second point of interest to which a second user pays attention in a second image. The first image is shot by a first flight body controlled by a first terminal operated by the first user, and the second image is shot by a second flight body controlled by a second terminal operated by the second user. The processor is further configured to determine whether the first point of interest and the second point of interest are a common point of interest, and prompt information related to the second flight body to the first terminal in response to the first point of interest and the second point of interest being the common point of interest.

Abstract: A control device includes a processor and a storage medium storing instructions that cause the processor to control an imaging device to capture a plurality of images while an imaging direction of the imaging device is changing, determine a target imaging direction of the imaging device that satisfies a predetermined condition based on the plurality of images, and control the imaging device to perform additional image capturing while further changing the imaging direction, including performing image capturing at a first image capture angle rate while the imaging direction is in a first angle range not including the target imaging direction and performing image capturing at a second image capture angle rate while the imaging direction is in a second angle range including the target imaging direction. The second image capture angle rate correspond to more images captured per unit angle than the first image capture angle rate.

Abstract: A control device includes a processor and a storage medium. The storage medium stores a program that, when executed by the processor, causes the processor to obtain a plurality of images shot at different lens positions of a focus lens of a photographing device, determine a target lens position of the focus lens that satisfies a preset condition based on blur amounts of the plurality of images, and control the focus lens to move close to the target lens position when a current lens position of the focus lens is within a preset range including the target lens position or control the focus lens based on an operation input when the current lens position is outside the preset range.

Abstract: An image processing apparatus includes a memory storing a program and a processor. The processor is configured to: specify at least one partial area of a dynamic image; extract at least one partial image corresponding to the at least one partial area from each of a plurality of first images that constitutes the dynamic image; and combine the at least one partial image, for each of the plurality of first images, to generate a plurality of second images. The plurality of second images have image sizes smaller than that of the first image.

Abstract: An energy-saving lighting masonry module is disclosed. The module is mainly composed of a structural part, a thermal insulation part and a light transmitting part. A lens on an inlet end of a refraction region of the light transmitting part changes an optical path so that the light enters a total reflection light channel, and a lens on an outlet end restores the optical path to provide indoor illumination. The present invention uses the lenses and light guide to change the optical path to compress the light channel. The insulation material and optical devices in the energy-saving lighting masonry module are combined to form a block to achieve the combination mode of dual purposes of lighting and energy saving.

Abstract: A display control device includes a processor and a computer-readable storage medium. The computer-readable storage medium stores a program that, when executed by the processor, causes the processor to determine a present lens position of a lens of a camera device, determine a target position of a target object being photographed by the camera device, and display a first indicator indicating the present lens position and a second indicator indicating the target position on a display in a position relationship corresponding to a relationship between the present lens position and the target position.

Abstract: An unmanned aerial vehicle (UAV) includes one or more processors, and a memory storing instructions. When executed by the one or more processors, the instructions cause the UAV to perform operations including: recognizing a first gesture of a hand; responsive to a recognition of the first gesture, moving the unmanned aerial vehicle to hover above the hand; detecting a distance between the unmanned aerial vehicle and the hand; responsive to a determination that the distance falls in a range, monitoring the hand to recognize a second gesture of the hand; and responsive to a recognition of the second gesture, landing the unmanned aerial vehicle on the hand.

Abstract: A method and a system for generating imagery mapping modeling of goblet. The method includes: pre-process collected goblets based on a height of each goblet, and establish a sample library of goblet modeling features; perform dimension reduction processing on the imagery vocabulary, and establish a goblet user imagery adjective pair based on the processing result; a relationship between the goblet modeling and imagery adjective is obtained through the sample library of goblet modeling features and the goblet user imagery adjective pair, and an optimal imagery value is established; input an user-entered imagery value into to the established optimal goblet imagery mapping modeling model, and produces a goblet shape meets an index. It realize users' demand for imagery modeling for the goblet and provide a fast and effective new idea for updating and iterating the goblet modeling scheme with a genetic algorithm and a computer programming technology.