Abstract: Disclosed is a method for increasing the concentration of xylose in lignocellulosic hydrolysate. The method includes the step of extruding lignocellulosic material and mixing the lignocellulosic material with diluted acid and the step of conducting hot-water extraction on the mixture. Hence, the concentration of the xylose in the lignocellulosic hydrolysate can achieve a high concentration of 60 g/L, and the yield of the xylose can reach to 90%.

Abstract: The present invention provides compositions comprising a solution of a compound useful for lysing biological cells and methods for using the compositions to lyse biological cells and to isolate nucleic acid.

Abstract: A capacitor array includes a plurality of capacitor components each having a first node and a second node, and first nodes of the capacitor components are coupled to each other. A calibration method for the capacitor array utilizes a calibration capacitor component to couple the first nodes. Then, the calibration method determines a capacitance indication value regarding the specific capacitor component by coupling different references voltage to a second node of the specific capacitor component and coupling different test voltages to a second node of the calibration capacitor component. Accordingly, the calibration method calibrates the capacitance mismatches of the capacitor array in the digital domain.

Abstract: A multiband antenna includes a long radiating branch, a short radiating branch, a short strip, a feed point, a grounding portion, a connecting portion, a long parasitic strip, and a short parasitic strip. The feed point, the long radiating branch, the short radiating branch, and the short strip are in a first plane. The grounding portion connects to the short strip. The connecting portion connects the long radiating branch, the short radiating branch, and the short strip. The long radiating branch, the short strip, and the connecting portion form a first inverted-L shaped antenna structure. The short radiating branch, the short strip, and the connecting portion form a second inverted-L shaped antenna structure. The long parasitic strip and the short parasitic strip are in a second plane and respectively connected to the grounding portion. The first plane is parallel to the second plane.

Abstract: An emergency power activation device includes at least one power module and a main control module. Each of the at least one power module includes an output end. The main control module includes an interface unit and a monitoring unit. When the interface unit is electrically connected with the power module, the electric energy stored in the power module can be outputted to the output end. The monitoring unit monitors the power storage of the power module and the electric connection between the power module and the main control module in real time. In this way, the emergency power activation device can keep the power supply stable while on standby for a long time and monitor the storage of its internal electric energy for an emergency power generator.

Abstract: A battery module assembly is composed of a main body, a plurality of battery modules, and at least one fastening member. The main body includes a plurality of compartments, each of which can communicate with the outside thereof and which are vertically arranged along at least one stack. The battery modules are removably mounted to the compartments respectively. Each of the at least one fastening member is made of electrically conductive material and mounted to the battery module according to the arrangement of the compartments to enable each of the battery modules to be mechanically and electrically connected with the fastening member. Therefore, the battery module assembly enables the battery modules to be conveniently replaced and maintained.

Abstract: A magnetic element includes a magnetic core assembly and multiple winding coils. The magnetic core assembly is used for proving a closed magnetic flux path and includes a first side plate, a second side plate, a first side pillar, a second side pillar and at least two middle pillars. The first and second side pillars are arranged between the first and second side plates and respectively disposed on bilateral edges of the first and second side plates. The at least two middle pillars are arranged between the first and second side pillars and includes a first middle pillar and a second middle pillar. The winding coils are wound around the at least two middle pillars.

Abstract: A power supply assembly composed of an electric storage device and an electric energy conversion device. The electric storage device includes two electrodes. The electric energy conversion device includes at least one lithium iron phosphate battery. The at least one battery is electrically connected with the electrodes. In light of this, the power supply assembly can have denser electric storage and higher discharge rate, such that power supply assembly can discharge stably, have a longer working life, and have preferable discharging effect under the low-temperature environment.

Abstract: A rapid charging circuit for a lithium ion battery. The battery charger in accordance with the present invention compensates for the voltage drops across the various resistance elements in the battery circuit by setting the charging voltage to a level to compensate for the initial resistance of the series resistances in the circuit and an additional resistance selected to take into account the anticipated increase in resistance of the various circuit elements over time. The battery charger in accordance with the present invention periodically monitors the open-circuit voltage of the battery cell and reduces the charging voltage to when the battery cell voltage reaches the optimal value. Thus, during a constant current charging mode, the battery cell is driven at a relatively optimal charging current to reduce the charging time.

Abstract: A touch substrate includes a transparent substrate having a first surface and a second surface facing the first surface, a plurality of thin film transistor elements disposed on the second surface, and a capacitance touch structure. The capacitance touch structure includes a plurality of parallel first conductive electrodes disposed on the first surface and a plurality of parallel second conductive electrodes disposed on the second surface. The second electrodes cross the first electrodes insulatingly. The first electrodes, the second electrodes and the transparent substrate sandwiched therebetween form a plurality of sensing capacitors.

Abstract: A portable electrical liquid dispensing apparatus includes a housing, a power supply detachably connected with the housing, a driving unit accommodated in the housing and electrically connected with the power supply, a liquid dispensing unit accommodated in the housing and coupled to the driving unit, a first dispensing pipe having a first entry end and a first exhaust end connected with the liquid dispensing unit, and a second dispensing pipe having a second entry end connected with the liquid dispensing unit and a second exhaust end. When the electrical liquid dispensing apparatus is used, the liquid dispensing unit can be driven by the driving unit to dispense the fuel from a fuel tank into an agricultural machine through the first dispensing pipe and the second dispensing pipe, thereby enhancing the efficiency and convenience of refueling operation.

Abstract: A fan holder is provided for holding a fan on a base, wherein the fan holder includes a fixed frame, a movable frame, and a lid. The fixed frame is fixed on the base while the movable frame is pivotally connected to the base, and the movable frame is spaced from the fixed frame by an interval. When the movable frame rotates relative to the base, a containing space is formed between the fixed frame and the movable frame to accommodate the fan. The lid is pivotally connected to an upper edge of the fixed frame, so as to be swiveled relative to the fixed frame for covering the fan, and the lid is engaged with the movable frame simultaneously, so as to holding the fan in the containing space.

Abstract: A protection circuit for a wind turbine generator that includes a PWM Brake that works in conjunction with known Brake Relays is disclosed. The Brake Relay is used to short the generator output terminals at a first threshold voltage. The PWM Brake includes one or more switching devices, coupled across the generator output. The PWM Brake is under the control of a PWM Brake Control Circuit which actuates the PWM Brake at a second threshold voltage that is relatively lower than the first threshold voltage. In accordance with an important aspect of the invention, the PWM Brake Control Circuit includes a novel speed sensing circuit for providing a signal representative of the speed of the turbine generator The novel speed sensing circuit eliminates the need to mount a speed sensor on the pole top mounted turbine generator. As such, the need for adding cabling from the pole top mounted wind turbine generator is eliminated.

Abstract: The present invention provides methods and kits useful for genetic testing or screening of fetuses using nucleic acid samples isolated from cervical mucus samples of fetus hosts.

Abstract: A reference buffer circuit is provided, comprising a reference buffering stage and a driving stage. The buffering stage provides a first driving voltage based on a first input voltage. The driving stage is driven by the first driving voltage to output a first output voltage. In the buffering stage, a first operational amplifier has a first input end for receiving the first input voltage, a second input end, and an output end for outputting a first tracking voltage. A first level shifter is coupled to the output end of the first operational amplifier, shifting a level of the first tracking voltage to generate the first driving voltage. A first buffering transistor has a drain coupled to a first supply voltage, a source connected to the second input end of the first operational amplifier, and a gate coupled to the first charge pump for receiving the first driving voltage.

Abstract: The invention provides an electronic apparatus capable of receiving a first-type memory card or a second-type memory card. In one embodiment, the electronic apparatus comprises a socket, a controller circuit, and an interface circuit. The socket is coupled to the first-type memory card through a set of first pins and is coupled to the second-type memory card with a set of second pins. The controller circuit accesses the first-type memory card or the second-type memory card via a plurality of input/output (IO) pins, and determines which of the first-type memory card and the second-type memory card is inserted into the socket according to the voltage of a target IO pin selected from the IO pins. The interface circuit sets the voltage of the target pin to different values according to whether the first-type memory card or the second-type memory card is inserted into the socket.

Abstract: A submersible water pump device is provided. The submersible water pump device includes a housing that contains a stator and windings and a control circuit. A rotor with curved impeller blades, which is contained within the stator attached to the windings, is inserted into the proximal end of the housing. A filter and volute, which cover the curved impeller blades of the rotor, are removably attached to the housing. The control circuit detects the polarity of the magnetic field of the rotor to control when to turn the motor on, so that the rotor only runs in one direction to increase the pump's efficiency using the curved impeller blades.

Abstract: A rapid charging circuit for a lithium ion battery. The battery charger in accordance with the present invention compensates for the voltage drops across the various resistance elements in the battery circuit by setting the charging voltage to a level to compensate for the initial resistance of the series resistances in the circuit and an additional resistance selected to take into account the anticipated increase in resistance of the various circuit elements over time. The battery charger in accordance with the present invention periodically monitors the open-circuit voltage of the battery cell and reduces the charging voltage to when the battery cell voltage reaches the optimal value. Thus, during a constant current charging mode, the battery cell is driven at a relatively optimal charging current to reduce the charging time.

Abstract: An electrical energy storage device for a solar cell includes at least one electrode substrate coated with a oxide or mixed oxides layer. When the electrical energy storage device is electrically connected with a receive unit of the solar unit in parallel, the electrical energy storage device can have the advantages of high electric energy density, enhancing the charging efficiency of the solar cell, and reducing the charging time of the solar cell.

Abstract: Providing object information on the Internet includes configuring a plurality of front-end categories for a plurality of network objects and a plurality of screening conditions for screening the plurality of network objects, where each of the plurality of screening conditions uniquely corresponding to a respective one of the plurality of the front-end categories. Providing object information further includes receiving object information pertaining to a network object, the object information including a screening condition for the network object; storing the object information in a back-end category, determining a front-end category to which the network object belongs, according to the screening condition and storing correlation information of the object and the front-end category, wherein the back-end category is separate from and different than the front-end category.