Abstract: The present invention discloses a polycarboxylic acid water-reducing agent with high adaptability to temperature and a preparation method for preparing the same. The polycarboxylic acid water-reducing agent is prepared by introducing an unsaturated macromonomer D with a temperature-sensitive side chain which could be bonded to the backbone of the polycarboxylic acid through free radical polymerization. The polycarboxylic acid water-reducing agent prepared by the invention has an adsorption group density that can be automatically adjusted with the change of ambient temperature, and thereby shows similar dispersing capability and dispersion retention capability at different ambient temperatures, demonstrating high adaptability to different ambient temperatures. It can be used in a larger temperature range with a constant dosage, which is beneficial to further popularization and application of the polycarboxylic acid water-reducing agent in regions of different climates.

Abstract: A method for managing communication on a network between a first device and a second device. The devices communicate via a first communication link, called a main link, and a second communication link, called a secondary link. The energy consumption of the secondary link is less than that of the first communication link. The method includes establishing validity of a criterion relative to data traffic on at least one of the main or secondary link, and on the basis of the validity of the criterion, managing activation of the at least one link.

Abstract: An inkjet printing device and an operation method of the inkjet printing device are provided. The inkjet printing device includes a printing sprayer head, the printing sprayer head includes a nozzle and a cleaner component, the cleaner device includes a cleaner and a vacuum system, the cleaner is configured to be communicated with the nozzle, and the cleaner is communicated with the vacuum system.

Abstract: The present invention discloses a multitype-adsorptive-group polycarboxylic acid water-reducing agent, consisting of 30-60 wt % of a macromolecule with multitype-adsorptive groups and water, the macromolecule with multitype-adsorptive groups has a polyethylene glycol side chain, and adsorption groups of the polymer backbone include a carboxylic acid group, a sulfonic acid group and a phosphoric acid group, the phosphoric acid group being linked to the backbone of the macromolecule with multitype-adsorptive groups by nucleophilic addition. The water-reducing agent of the present invention has significantly improved adaptability to different cements and aggregates while maintaining a high water reduction efficiency, compared with the conventional polycarboxylic acid water-reducing agent. It has a good water reducing efficiency in many different grades of cement, as well as a better resistance to aggregates containing more impurities such as machine-made sand.

Abstract: A trash sorting and recycling method, a trash sorting device and a trash sorting and recycling system are provided. The trash sorting and recycling method includes: acquiring a detection image of trash to be sorted; processing the detection image with a deep learning neural network to judge whether or not the trash to be sorted belongs to recyclable trash; if yes, sending a first control signal, to control to deliver the trash to be sorted into a recycling region; if no, sending a second control signal, to control to deliver the trash to be sorted into a non-recycling region.

Abstract: Disclosed is a preparation method of a polycarboxylate water reducer having a regular sequence structure. The preparation method of the present invention comprises: performing Michael addition on polyethylene glycol ether acrylate macromonomer A and amino-containing carboxylic acid B for 5-12 hours, then cooling to 0° C., dropwise adding acryloyl chloride slowly and evenly, and further reacting for 12 hours at room temperature to obtain carboxyl-containing polyether macromonomer C; mixing the carboxyl-containing polyether macromonomer C, a small molecular RAFT reagent, an initiator, and water adequately; and holding the polymerization mass concentration at 30%-60% and heating to 60-80° C. in the atmosphere of N2 to react for 2-5 hours to obtain the polycarboxylate water reducer having a regular sequence structure.

Abstract: The present application provides a method and apparatus for video surveillance. The method for video surveillance includes: detecting, through an infrared sensor, whether a target is present in a sensing area of the infrared sensor, and generating a deflection instruction indicating a deflection angle in a case where it is detected that the target is present; and deflecting, according to the deflection instruction, a shooting direction of a camera towards the target by the deflection angle.

Abstract: An inkjet printing device and an operation method of the inkjet printing device are provided. The inkjet printing device includes a printing sprayer head, the printing sprayer head includes a nozzle and a cleaner component, the cleaner device includes a cleaner and a vacuum system, the cleaner is configured to be communicated with the nozzle, and the cleaner is communicated with the vacuum system.

Abstract: Embodiments of the present disclosure provide a display control assembly, a control method for a display control assembly, a head-up display system, and a vehicle. The display control assembly includes a processor and a display source. The processor is configured to generate, according to driving state information of a vehicle, traffic information of an intersection to be approached by the vehicle and distance information, prompt information for indicating a driving suggestion; and the display source is configured to output the prompt information.

Abstract: The present disclosure provides a cache device and a LCD screen production line. The cache device provided by the present disclosure includes an outer frame having an opening for picking and placing cached items on a first side wall thereof and a support bracket for horizontally supporting cached items therein; and first blowing means disposed on the second side wall of the outer frame for blowing air toward the opening; second blowing means disposed on the third side wall or the fourth side wall of the outer frame; an exhaust means disposed on a fourth side wall opposite to the third side wall of the frame.

Abstract: A lighting control method for use in a first vehicle is provided. The method includes receiving an optical signal from a lamp of a second vehicle; identifying a pulse signal included in the optical signal; determining a position of the second vehicle relative to the first vehicle; and controlling a lamp of the first vehicle in accordance with the position of the second vehicle and the pulse signal.

Abstract: The invention relates to a mediation technique carried out by a first device in a residential network. In said residential network, a software abstraction module offering an abstraction service of a technique for controlling access to the underlying media is executed by the first device. The first device receives a request to join the residential network from a second device via a wireless communication channel and verifies whether the second device is capable of executing the abstraction software module. When the second device is incapable of executing said software module, the first device allocates an address identifying the second device in the residential network according to a format compatible with the execution of the software module and executes the software abstraction module as a proxy of the second device.

Abstract: A method for managing electricity use of a plurality of household appliances connected within a local communication network and having one or more operating phases. The method includes the following steps, implemented by a data processing module: acquiring information related to the operating phases, in progress or forthcoming, for at least two household appliances, the information related to an operating phase for a household appliance including the power used by the household appliance during the phase; determining, on the basis of the acquired information, at least one operating phase of one of the appliances to be interrupted so as to minimize peak power use; and interrupting the determined operating phase.

Abstract: A method for adjusting grayscale values of an image includes: for each pixel in the image, calculating a first mapping value for a grayscale value of the pixel in the image through a histogram equalization mapping function; calculating a second mapping value by subtracting a first preset value from the grayscale value of the pixel through the histogram equalization mapping function, and when the result exceeds a preset grayscale range, selecting a minimum value of the preset grayscale range for calculating the second mapping value; calculating a third mapping value by adding a second preset value to the grayscale value of the pixel through the histogram equalization mapping function and when the result exceeds the preset grayscale range, selecting a maximum value of the preset grayscale range; and calculating an output grayscale value of the pixel based on the first, second, and third mapping value and respective weights.

Abstract: The invention relates to a technique for determining the presence of a peripheral device (23, 26) in a service area of a local network (2). The local network includes a gateway (20) for accessing a communications network (1) and at least one relay device (21, 24). The peripheral device and the relay device(s) are arranged to communicate with other devices via a radio-access network. The access gateway controls at least one relay device, so that the latter scans frequencies for accessing the radio-access network. When the relay device receives an announcement message from the peripheral device, said relay device transmits a notification of detection of the peripheral device to the access gateway. The peripheral device is then identified as being present in the service area.

Abstract: A housing includes a main body having an external surface, a power storage unit, a support unit, and a plug unit; the power storage unit, the support unit and the plug unit are positioned on one end of the external surface, the support unit is rotatably connected to the power storage unit and is used to support the housing be fixed at a certain angle, and the plug unit is rotatably connected to the support unit and is used to be plugged in a power source to charge the power storage unit. A terminal device assembly is also provided. The terminal device assembly includes the housing and a terminal device, the terminal device of the terminal device assembly is detachably received in the housing.

Abstract: A technique for managing power usage in a local communication network. The network includes at least one device having at least one operation phase. A processing unit receives information related to at least one operation phase of the device after detecting an operation phase change. The information includes power used by the device during the phase and an estimated duration of the phase. The processing unit determines projected power usage within the local network for the duration of the operation of the device, the projected power usage taking the form of at least one power usage increment and an associated increment duration. For a power usage increment, the processing unit: determines an output current to be output by at least one battery in order to at least partially compensate the increment; and sends, to the battery, a command to discharge the output current determined for the duration of the increment.

Abstract: The invention relates to a technique for access by a master device (22) to a value. The invention relates to a technique for access by a master device (22) to a value taken by a characteristic managed by a peripheral device (23). A first relay device (21) situated in a zone of radio coverage of the master device receives a command for simulation of the peripheral device, this peripheral device being situated in a zone of radio coverage to a second relay device (24). The first relay device then establishes a radio connection with the master device, by simulating the presence of the peripheral device in the zone of radio coverage of the master device. The first relay device receives from the master device a request to read a value taken by a characteristic managed by the peripheral device, transmits the request and receives in return the value from the second relay device, said second relay device having obtained it by interrogating the peripheral device. It can then dispatch it to the master device.

Abstract: A lighting control method for use in a first vehicle is provided. The method includes receiving an optical signal from a lamp of a second vehicle; identifying a pulse signal included in the optical signal; determining a position of the second vehicle relative to the first vehicle; and controlling a lamp of the first vehicle in accordance with the position of the second vehicle and the pulse signal.

Abstract: A housing includes a main body having an external surface, a power storage unit, a support unit, and a plug unit; the power storage unit, the support unit and the plug unit are positioned on one end of the external surface, the support unit is rotatably connected to the power storage unit and is used to support the housing be fixed at a certain angle, and the plug unit is rotatably connected to the support unit and is used to be plugged in a power source to charge the power storage unit. A terminal device assembly is also provided. The terminal device assembly includes the housing and a terminal device, the terminal device of the terminal device assembly is detachably received in the housing.