Abstract: This application provides a scrolling screenshot method, the method may be implemented on an electronic device having a touchscreen, and the method may include: displaying a graphical user interface (GUI) of a first application on the touchscreen; detecting, by the electronic device, a screenshot operation performed by a user; taking, by the electronic device, a screenshot of the GUI in response to the screenshot operation; displaying, on the touchscreen, a first preview image corresponding to an obtained first screenshot; detecting, by the electronic device, a first touch operation on the first preview image; updating the first preview image to a second preview image in response to the first touch operation; and displaying the second preview image on the touchscreen. According to the technical solution in the foregoing embodiments, the electronic device may enable the user to take a scrolling screenshot by using a touch operation such as a swipe gesture on a preview image.

Abstract: The invention provides a cooling system for a server. The cooling system includes a casing and a first heat dissipation device. The casing includes a tank and a cover. The tank has an accommodation space. The cover is movably mounted on the tank, and the cover covers the accommodation space so as to form an airtight space with the tank. The first heat dissipation device is mounted on the cover and located within the airtight space of the casing.

Abstract: An immersion cooling system configured to store a coolant configured for cooling a heat source and including a liquid container, a tube and a gas regulating assembly. The liquid container is configured to store the coolant configured to cool the heat source. One end of the tube is connected to the liquid container. The gas regulating assembly is located above the tube and includes a valve, a cooler, and a gas container. The valve includes a first pipe, a second pipe and a third pipe. The valve is switchable to connect the first pipe to the second pipe or connect the first pipe to the third pipe. The first pipe of the valve is connected to the tube via the cooler. The second pipe is connected to ambient air, and the third pipe is connected to the gas container.

Abstract: In a catalytic reaction, after a reaction product leaves a catalyst bed, an inert substance with a low temperature is sprayed, and through heat absorption and vaporization processes of the inert substance, the temperature of the reaction product drops rapidly when staying in a catalyst cushion layer at a discharge end of a fixed bed reactor, or in a space formed by the catalyst cushion layer at the discharge end of the fixed bed reactor and a reactor head, or in a space formed by a tube plate at the discharge end of the fixed bed reactor and the reactor head. The residence time of the reaction product is shortened due to the entrance of the inert substance in a gaseous state.

Abstract: The present disclosure relates to the technical field of biotechnology and polymer synthesis, and discloses a method for producing polylactic acid, the method comprises the following steps: (i) inoculating a lactic acid fermentation strain into a lactic acid fermentation culture medium to perform a fermentation, so as to obtain a fermentation broth containing lactate; (ii) separating the fermentation broth to obtain a lactic acid; (iii) synthesizing a polymer-grade lactide by using the lactic acid as a raw material; (iv) subjecting the polymer-grade lactide to a polymerization reaction in a polymerization reaction device to obtain a polylactic acid. Through the above technical solution, the polylactic acid can be efficiently produced in the present disclosure.

Abstract: Disclosed is a flexible surgical instrument system comprising a flexible surgical instrument and a driving unit. The flexible surgical instrument comprises a flexible continuous body structure composed of a distal structural body, a proximal structural body. The driving unit comprises a motor part, a motion conversion part and a plurality of linear motion mechanisms. The motor part comprises a motor fixing plate and a first motor. The motion conversion part comprises a plurality of first transmission chains, each of the first transmission chains converts rotary output of the first motor into a linear motion of two first output rods and the linear motion each of the two first output rods is transferred to an input end of each of the linear motion mechanisms through a sterile barrier, an output end of each of the linear motion mechanisms is connected to one end of one driving backbone.

Abstract: A semiconductor device includes a non-volatile memory and a logic circuit. The non-volatile memory includes a stacked structure comprising a first insulating layer, a floating gate, a second insulating layer, a control gate and a third insulating layer stacked in this order from a substrate; an erase gate line; and a word line. The logic circuit includes a field effect transistor comprising a gate electrode. The word line includes a protrusion, and a height of the protrusion from the substrate is higher than a height of the erase gate line from the substrate. The word line and the gate electrode are formed of polysilicon.

Abstract: A heat pipe structure is used for cooling a heat source. The heat pipe structure includes a sleeve tube and a shaft. The sleeve tube includes an inner wall. The sleeve tube has a trench on the inner wall. The trench is at an outlet end of the sleeve tube. The trench extends in a circumferential direction of the sleeve tube. The shaft is connected to the heat source. The shaft is inserted into the sleeve tube from the outlet end such that the shaft is rotatable relative to the sleeve tube. The trench surrounds the shaft.

Abstract: A semiconductor structure includes an isolation feature disposed over a semiconductor substrate, a semiconductor fin disposed over the semiconductor substrate and adjacent to the isolation feature, a source/drain (S/D) feature disposed over the semiconductor substrate and apart from the isolation feature, an interlayer dielectric (ILD) layer disposed over the isolation feature and the S/D feature, a first contact plug disposed in the ILD layer and over the isolation feature, a second contact plug disposed in the ILD layer and over the S/D feature, and a dielectric layer between surfaces of the first contact plug and the ILD layer and between a sidewall of the second contact plug and the ILD layer, where a bottom surface of the second contact plug is free of the dielectric layer.

Abstract: The present disclosure discloses a cleaning robot, including a water tank, a dust box, and a main body. The water tank and the dust box are assembled together to form a water tank dust box assembly. The main body includes an accommodating space adapted to accommodate the water tank dust box assembly. The water tank dust box assembly includes a mistake-proofing device. The mistake-proofing device, when the water tank and the dust box are not assembled to form the water tank dust box assembly, is in an ejected state so that the water tank or the dust box cannot be installed into the accommodating space.

Abstract: The present invention relates to the technical field of polylactic acid preparation, and discloses polylactic acid polymerization reaction apparatus and system. The polylactic acid polymerization reaction apparatus comprises a polymerization reactor and an agitating assembly arranged in a flow channel of the polymerization reactor, wherein the agitating assembly comprises an electromagnetic winding mechanism and a magnetic induction element, the electromagnetic winding mechanism is arranged along the inner wall of the polymerization reactor around the magnetic induction element, with clearance formed between the electromagnetic winding mechanism and the magnetic induction element, so that the magnetic induction element and the electromagnetic winding mechanism can induce electromagnetic induction, and thereby the magnetic induction element can rotate around its own axis; a threaded groove is formed on the magnetic induction element.

Abstract: A benign tumor development trend assessment system includes an image outputting device and a server computing device. The image outputting device outputs first/second images captured from the same position in a benign tumor. The server computing device includes an image receiving module, an image pre-processing module, a target extracting module, a feature extracting module and a trend analyzing module. The image receiving module receives the first/second images. The image pre-processing module pre-processes the first/second images to obtain first/second local images. The target extracting module automatically detects and delineates tumor regions from the first/second local images to obtain first/second region of interest (ROI) images. The feature extracting module automatically identifies the first/second ROI images to obtain at least one first/second features. The trend analyzing module analyzes the first/second features to obtain a tumor development trend result.

Abstract: Semiconductor devices and methods of fabricating semiconductor devices are provided. The present disclosure provides a semiconductor device that includes a first fin structure and a second fin structure each extending from a substrate; a first gate segment over the first fin structure and a second gate segment over the second fin structure; a first isolation feature separating the first and second gate segments; a first source/drain (S/D) feature over the first fin structure and adjacent to the first gate segment; a second S/D feature over the second fin structure and adjacent to the second gate segment; and a second isolation feature also disposed in the trench. The first and second S/D features are separated by the second isolation feature, and a composition of the second isolation feature is different from a composition of the first isolation feature.

Abstract: Disclosed are a method for determining an access method of a mobile terminal, a storage medium, and a mobile terminal. A database comprising APN types and APN access identifiers is pre-stored in a mobile terminal, such that when a SIM card is inserted into the mobile terminal, the APN type and the APN access identifier corresponding thereto can be searched in the database according to information about the SIM card, thereby determining that the access method of an operator corresponding to the SIM is VoLTE or VoWiFi, distinguishing between VoLTE and VoWiFi, reducing the probability of access failure of the mobile terminal.

Abstract: A method includes forming a first and a second dummy gate stack crossing over a semiconductor region, forming an ILD to embed the first and the second dummy gate stacks therein, replacing the first and the second dummy gate stacks with a first and a second replacement gate stack, respectively, performing a first etching process to form a first opening. A portion of the first replacement gate stack and a portion of the second replacement gate stack are removed. The method further includes filling the first opening to form a dielectric isolation region, performing a second etching process to form a second opening, with the ILD being etched, and the dielectric isolation region being exposed to the second opening, forming a contact spacer in the second opening, and filling a contact plug in the second opening. The contact plug is between opposite portions of the contact spacer.

Abstract: Methods for angle correction of a mobile robot in a working area and mobile robots performing the same are disclosed. In one example, a long straight line is obtained at an edge of an obstacle first found by the mobile robot. A right-angle coordinate system is established based on the long straight line. A walking angle of the mobile robot is obtained when the mobile robot finds a long straight line at an edge of an obstacle again. Based on the walking angle and the right-angle coordinate system, the walking angle is corrected to a corresponding axis direction.

Abstract: A server receives an instant messaging message from a first user account to a second user account, the message includes a download address of a multimedia resource. In response to receiving the instant messaging message, in accordance with a determination that the instant messaging message includes a download address of a multimedia resource, and that the second user account is bound to a network attached storage (NAS) device: the server generates a download instruction in accordance with a command protocol of the NAS device bound to the second user account and sends the download instruction to the NAS device. The NAS device downloads the multimedia resource in accordance with the download instruction and a playing device plays the multimedia resource by accessing the NAS device.

Abstract: A high temperature resistant polyimide film and its preparation method. The present invention relates to a polyimide film and its preparation method and solves the problems of honeycomb's and skin panel's core adhesive—polyimide film with insufficient heat resistance, no climbing of bonding core structure and adhesive fillet formation. The high temperature resistant polyimide film is made by polyimide solution, inorganic filler modifier and interface coupling agent by the steps of: under specific temperature and stirring conditions, adding inorganic filler modifier and interface coupling agent to polyimide solution, stirring to obtain the adhesive agent; filtering and degassing the adhesive agent, casting to a stainless steel drum with carrier cloth and release paper to obtain a self-supporting film; then heating and annealing to obtain the final polyimide film. The present invention is applied to high temperature resistant polyimide film and its preparation method.

Abstract: A dimming track lamp has a detachable assembly housing with a power supply track, a control circuit board electrically connected with the power supply track, a lamp body arranged on the assembly housing, a printed circuit board arranged in the lamp body, a light source on the printed circuit board and an optical element arranged in the light output direction of the light source. The control circuit board has a power supply module which is electrically connected with the power supply track, a signal input module, a signal processing module for analyzing and calculating the input signal and generating a control signal, and a signal output module for outputting the control signal to the printed circuit board. The light source has a warm light source and a cold light source, the control signal is used to control the light output of the warm light source and the cold light source.

Abstract: A method for electromagnetic interference adjustment and related products are provided. A current first operating frequency of a MIPI of the display is obtained by the AP, and in response to detecting that a screen state is a screen-on state and the Bluetooth assembly is enabled, a current second operating frequency of the Bluetooth assembly is obtained by the AP. Electromagnetic interference in the electronic device is detected by the AP according to the first operating frequency and the second operating frequency. In response to the detected electromagnetic interference, a target operating frequency of the MIPI is determined, and the operating frequency of the MIPI is adjusted from the first operating frequency to the target operating frequency by the AP.