Abstract: Disclosed is a method for simulation of a microscopic flow of pre-crosslinked gel suspension liquid in a porous medium, including the steps of: establishing a simulation area of the porous medium based on a two-dimensional core CT slice image and subjecting the simulation area to numerical grid discretization; setting initial position and original shape of pre-crosslinked gel particles to generate virtual boundary mark points; marking the type of numeric grid nodes; calculating the force of the fluid on each virtual boundary mark point according to the momentum change of the numerical grid nodes on the boundary of the pre-crosslinked gel particles; calculating the contact force on each virtual boundary mark point using a particle contact action model; calculating the bending recovery force and the stretching recovery force for each virtual boundary mark point based on the current shape and original shape of the pre-crosslinked gel particles; and calculating the velocity and displacement of each virtual bounda

Abstract: An LBS-based prompt information output method and system, and a storage medium according to the present disclosure, comprising: acquiring current time and/or a current geographic location, determining whether the current time falls within a preset time range, and/or determining whether a distance value between the current geographic location and a preset specified geographic location is smaller than or equal to a preset distance value; when a determination result is positive, outputting preset prompt information. The present invention is capable of enabling a user to acquire service information concerning the user and relating to the specified geographic location in time.

Abstract: A method and an apparatus for determining a traffic route in an electronic map are provided. The method includes: determining by a server that includes a processor, a route start point and a route end point entered through a terminal device that includes a processor; calculating a sectional riding route between the route start point and the route end point in an electronic map road network, setting identification information in the sectional riding route; calculating a sectional walking route corresponding to the sectional riding route in the electronic map road network, integrating the sectional walking route and the sectional riding route into a traffic route according to the identification information, and displaying the traffic route on the terminal device.

Abstract: The invention relates to co-cultures and their use in the biosynthesis of functionalized taxanes, other isoprenoids, aromatics, and aromatic-derived compounds.

Abstract: An LBS-based prompt information output method and system, and a storage medium according to the present disclosure, comprising: acquiring current time and/or a current geographic location, determining whether the current time falls within a preset time range, and/or determining whether a distance value between the current geographic location and a preset specified geographic location is smaller than or equal to a preset distance value; when a determination result is positive, outputting preset prompt information. The present invention is capable of enabling a user to acquire service information concerning the user and relating to the specified geographic location in time.

Abstract: A power supply circuit includes a direct current (DC) voltage source, a protecting circuit having a first switching element, a pulse width modulation (PWM) circuit having a first terminal, a switching circuit, and a transformer. The DC voltage source is configured to provide a first DC voltage. The first terminal is configured to receive the first DC voltage via the first switching element to enable the PWM circuit. The PWM circuit is configured to switch on or switch off the switching circuit. The transformer is configured to convert the first DC voltage to an alternating current (AC) voltage in cooperation with the switching circuit.

Abstract: The present invention provides a polymeric scale inhibitor, wherein said inhibitor comprises at least one boron atom.

Abstract: An electrical apparatus with an alarm includes an electrical device and an alarm system, the electrical device and the alarm system being both connected to an external power supply. The alarm system includes a wireless communication circuit and a control module. The control module is connected between the external power supply and the wireless communication circuit. The control module controls the wireless communication circuit to send an alarm notification when the electrical device is disconnected from the external power supply.

Abstract: An exemplary backlight control circuit (200) includes a DC power supply (VDD), a load circuit (210), an input circuit (230), and a PWM IC (250). The load circuit includes two light sources (2113, 2114) and a rectifier and filter circuit (213). The input circuit includes a diode (231) and a capacitor (237). The PWM IC includes a current sampling pin (251) and an overvoltage protection pin (253). A low voltage terminal of a first one of the two light sources is connected to the current sampling pin via the rectifier and filter circuit, and a low voltage terminal of a second one of the two light sources is connected to a cathode of the diode. An anode of the diode is connected to the DC power supply and grounded via the capacitor. The overvoltage protection pin is connected to the DC power supply.

Abstract: An exemplary backlight driving circuit (20) a first power supply (260); a second power supply (270); a signal output terminal (280); an AND gate (210); a follower (220); a capacitor (290); a reverser (230); a first transistor (240), which is a N-Channel mode metal-oxide-semiconductor field-effect transistor (N-MOSFET), having a gate electrode connected to an output end of the AND gate through the follower, a source electrode connected to the signal output terminal, a drain electrode connected to the first power supply; and a second transistor (250), which is a N-Channel mode metal-oxide-semiconductor field-effect transistor (N-MOSFET), having a gate electrode connected to the output end of the AND gate through the reverser, a source electrode connected to the ground, a drain electrode connected to the signal output terminal.

Abstract: A power supply circuit includes a rectifying circuit, at least one filter member, a transformer, and a control circuit. The rectifying circuit is configured to receive a primary AC voltage signal and convert the primary AC voltage signal to a DC voltage signal. The at least one filter member is grounded via a current-limiting module, and is configured to filter the DC voltage signal. The transformer is configured to transform the filtered DC voltage signal to a main power voltage signal, and output the main power voltage signal. The control circuit is configured to enable the current-limiting element to function when the power supply circuit is powered on, and disable the current-limiting element when the power supply circuit is in a normal working state.

Abstract: A liquid crystal display (LCD) power supplying circuit includes a motherboard switch circuit, an LCD power circuit, a power switch circuit, and a first power supplying unit. An input terminal of the motherboard switch circuit is coupled to a power output terminal of a motherboard. An input terminal of the power switch circuit is coupled to the LCD power circuit. The first power supplying unit is coupled to an output terminal of the motherboard switch circuit, an output terminal of the power switch circuit and a microprocessor, and the first power supplying unit supplies power from the motherboard or power from the LCD power circuit to the microprocessor.

Abstract: An LCD driving circuit comprising an over-voltage protection circuit includes an input terminal to receive an input voltage, a voltage-dividing circuit, a voltage-stabilizing circuit including a voltage-stabilizing element, a control circuit, a switching element, and an output terminal. The voltage-dividing circuit provides a reference voltage according to the input voltage to the voltage-stabilizing circuit, the voltage-stabilizing circuit determines whether the voltage-stabilizing element conducts according to the reference voltage, and the control circuit controls the switching element to switch on or off according to a working stage of the voltage-stabilizing element to determine whether the output terminal outputs an output voltage.

Abstract: An exemplary backlight control circuit (20) includes at least two sampling circuits (21), at least two feedback circuits (22), and a PWM IC (23). Each of the sampling circuits includes a sampling output (210) and a backlight lamp (211). The PWM IC includes a current sense pin (230). The at least two feedback circuits correspond to the at least two sampling circuits, respectively. Each of the feedback circuits includes a resistor (222) and a diode (223) electrically coupled in parallel. The sampling output is configured to output a first voltage when the backlight lamp is in a normal working state, and output a second voltage when the backlight lamp has an open circuit. One terminal of the diode is electrically coupled to the sampling output of a corresponding one of the sampling circuits, and an opposite terminal of the diode is electrically coupled to the current sense pin.

Abstract: An exemplary backlight control circuit (20) includes at least two sampling circuits (21), at least two feedback circuits (22), and a PWM IC (23). Each of the sampling circuits includes a sampling output (210) and a backlight lamp (211). The PWM IC includes a current sense pin (230). The at least two feedback circuits correspond to the at least two sampling circuits, respectively. Each of the feedback circuits includes a resistor (222) and a diode (223) electrically coupled in parallel. The sampling output is configured to output a first voltage when the backlight lamp is in a normal working state, and output a second voltage when the backlight lamp has an open circuit. One terminal of the diode is electrically coupled to the sampling output of a corresponding one of the sampling circuits, and an opposite terminal of the diode is electrically coupled to the current sense pin.

Abstract: An exemplary backlight modulation circuit (200) includes a pulse generator circuit (210) configured for generating a first square pulse; a voltage division circuit (230) configured for receiving the first square pulse and generating a second square pulse according to the first square pulse; an oscillator circuit (240) configured for generating a reference voltage; and an amplifier (200) comprising a negative input configured for receiving the second square pulse from the voltage division circuit, and a positive input configured for receiving the reference voltage from the oscillator circuit as a reference pulse signal, the amplifier being configured for generating a backlight adjusting signal according to the reference pulse signal and the second square pulse.

Abstract: An electrical apparatus with an alarm includes an electrical device and an alarm system, the electrical device and the alarm system being both connected to an external power supply. The alarm system includes a wireless communication circuit and a control module. The control module is connected between the external power supply and the wireless communication circuit. The control module controls the wireless communication circuit to send an alarm notification when the electrical device is disconnected from the external power supply.

Abstract: An LCD driving circuit comprising an over-voltage protection circuit includes an input terminal to receive an input voltage, a voltage-dividing circuit, a voltage-stabilizing circuit including a voltage-stabilizing element, a control circuit, a switching element, and an output terminal. The voltage-dividing circuit provides a reference voltage according to the input voltage to the voltage-stabilizing circuit, the voltage-stabilizing circuit determines whether the voltage-stabilizing element conducts according to the reference voltage, and the control circuit controls the switching element to switch on or off according to a working stage of the voltage-stabilizing element to determine whether the output terminal outputs an output voltage.

Abstract: A power supply circuit includes a direct current (DC) voltage source, a protecting circuit having a first switching element, a pulse width modulation (PWM) circuit having a first terminal, a switching circuit, and a transformer. The DC voltage source is configured to provide a first DC voltage. The first terminal is configured to receive the first DC voltage via the first switching element to enable the PWM circuit. The PWM circuit is configured to switch on or switch off the switching circuit. The transformer is configured to convert the first DC voltage to an alternating current (AC) voltage in cooperation with the switching circuit.

Abstract: An exemplary heat dissipation device (20) includes a base (21) and heat dissipation fins (22) extending from the base. Each heat dissipation fin has ventholes (23) formed therein. An area of an inner surface of each venthole is greater than twice an area of a transverse cross-section of the venthole. The heat dissipation device has a high heat dissipation efficiency.