Abstract: A liquid crystal composition, a liquid crystal display element and a liquid crystal display comprising the liquid crystal composition belong to the field of liquid crystal display. The liquid crystal composition comprises a compound represented by formula I with a mass content of 1-10% as the first component, a compound represented by formula II with a mass content of 1-20% as the second component, more than two compounds represented by formula III as the third component, more than three compounds represented by formula IV as the fourth component, and one or more polymerizable compounds as the fifth component, the crystal composition has low rotational viscosity and low ?1/K33 on the basis of maintaining appropriate optical anisotropy. When applied to liquid crystal display elements or liquid crystal displays, the liquid crystal display has a fast response speed.

Abstract: Cognitive expected program code installation result assessment by a method that includes collecting environment information about a cloud computing environment and collecting description information about program code for potential installation. The method maintains a hierarchical model for determining whether the program code is expected to install properly on the computer system, and uses the hierarchical model for such determining, including performing an analysis that proceeds through level(s) of the model based on the description information and arrives at an indication as to whether the program code is expected to install properly. The method performs processing based on determining whether the program code is expected to install properly, for instance by generating and providing a recommendation to a user regarding installation of the program code.

Abstract: A packet transmission method and an apparatus pertain to the field of network technologies. The method includes obtaining, by a terminal device, a source IP (Internet Protocol) address in a to-be-transmitted packet and N IP addresses of the terminal device, where N is an integer, and when the source IP address in the to-be-transmitted packet is different from any one of the N IP addresses of the terminal device, determining that the source IP address in the to-be-transmitted packet is forged, and prohibiting transmitting the to-be-transmitted packet. The application can solve the problem that a virus such as Trojan in the terminal device may be prevented from forging a source IP address of another device to randomly transfer an attack packet in the network to improve network security.

Abstract: A measuring method for a portable electrical energy system includes acquiring a total capacity and an initial electric quantity percentage of each battery pack, detecting a discharging current and a discharging time of each battery pack, calculating a discharging capacity of each battery pack, calculating a remaining electric quantity of each battery pack; calculating a real-time electric quantity percentage of each battery pack; acquiring an open circuit voltage of each battery pack and a real-time internal resistance of a cell unit of each battery pack; calculating a remaining electric quantity of each battery pack; and calculating a remaining electric quantity of the portable electrical energy system.. This method can reduce the calculation error of the remaining electric quantity and improve the battery utilization.

Abstract: A packet transmission method and an apparatus pertain to the field of network technologies. The method includes obtaining, by a terminal device, a source IP (Internet Protocol) address in a to-be-transmitted packet and N IP addresses of the terminal device, where N is an integer, and when the source IP address in the to-be-transmitted packet is different from any one of the N IP addresses of the terminal device, determining that the source IP address in the to-be-transmitted packet is forged, and prohibiting transmitting the to-be-transmitted packet. The application can solve the problem that a virus such as Trojan in the terminal device may be prevented from forging a source IP address of another device to randomly transfer an attack packet in the network to improve network security.

Abstract: A power supply device and a booster circuit for a power supply device. The booster circuit includes an access terminal configured to access a direct current voltage from a battery pack, a transformer group electrically connected to the access terminal so that the accessed direct current voltage is boosted to a predetermined voltage by the transformer group, and a rectifier bridge electrically connected to the transformer group to convert the predetermined voltage into a high-voltage direct current after pulse rectification. The transformer group includes a first transformer including a first primary side and a first secondary side and a second transformer including a second primary side and a second secondary side. The power supply device disclosed is compact in structure and convenient to carry and can output an alternating current.

Abstract: An apparatus includes an electrode assembly comprising a carriage having a plurality of electrode holders, the electrode holders being respectively configured to detachably receive a plurality of electrodes, the electrodes include a plurality of first electrodes and a plurality of second electrodes. The first electrodes are configured for rough machining a workpiece by electric discharging or wire electric discharging to remove material from the workpiece, the second electrodes are configured for finish machining the rough machined workpiece by electric discharging to remove material from the rough machined workpiece.

Abstract: An ultrasonic roller burnishing system comprises a roller and a controller. The roller is configured to be pressed against a surface of a workpiece to a pressing depth, roll on the surface at a feed rate, and vibrate at an ultrasonic frequency under a back pressure. The roller is pressed and rolled by a motion unit which is driven by a drive motor. The vibrating of the roller is driven by an ultrasonic vibration unit with an input current inputted thereinto. The controller is configured to adjust at least one of the pressing depth, the back pressure, the input current and the feed rate based on an expected residual compressive stress and a real time output power of the drive motor, to generate a residual compressive stress in the workpiece which is in an expected range predetermined based on the expected residual compressive stress.

Abstract: Certain embodiments of the present disclosure are directed to a stretch removable adhesive tape comprising a thermoplastic polyurethane film having a unique combination of properties leading to a unique stretch removal profile.

Abstract: A discharge protection circuit has a cell combination with more than one cell, a power supply circuit, an output circuit, a MCU chip, a voltage detection circuit, a NTC circuit, a current detection circuit, a drive circuit and a drive switch. The power supply circuit, the output circuit and the cell combination form a series connection and the MCU chip forms an electrical connection with the voltage detection circuit, the drive circuit and the current detection circuit, respectively, with the voltage detection module being electrically connected with the cell combination and the NTC circuit respectively. A control method includes enabling a discharge procedure of the discharge protection circuit to discharge with a power quantity 0.2 times nominal power quantity each hour. In this procedure, the MCU chip is cyclically dormant to reduce the control power dissipation and improve discharge quantity while achieving discharge protection of the battery pack.

Abstract: The present disclosure provides an extrapolation method of low rotational speed characteristics of a compressor, which is suitable for acquisition the low rotational speed characteristics of a gas turbine on the ground or an aircraft engine, the extrapolation method takes into account an application condition of a similarity principle and specialties of the low rotational speed operation condition of the compressor, and comprises modifying exponents of the similarity principle to obtain the optimal exponents by an optimization algorithm, and applying a coefficient fitting method for a variable operating condition calculation of the gas turbine to the extrapolation of low rotational speed characteristic of the compressor to obtain the low rotational speed characteristic.

Abstract: An apparatus includes an electrode assembly comprising a carriage having a plurality of electrode holders, the electrode holders being respectively configured to detachably receive a plurality of electrodes, the electrodes include a plurality of first electrodes and a plurality of second electrodes. The first electrodes are configured for rough machining a workpiece by electric discharging or wire electric discharging to remove material from the workpiece, the second electrodes are configured for finish machining the rough machined workpiece by electric discharging to remove material from the rough machined workpiece.

Abstract: A packet transmission method and an apparatus pertain to the field of network technologies. The method includes obtaining, by a terminal device, a source IP (Internet Protocol) address in a to-be-transmitted packet and N IP addresses of the terminal device, where N is an integer, and when the source IP address in the to-be-transmitted packet is different from any one of the N IP addresses of the terminal device, determining that the source IP address in the to-be-transmitted packet is forged, and prohibiting transmitting the to-be-transmitted packet. The application can solve the problem that a virus such as Trojan in the terminal device may be prevented from forging a source IP address of another device to randomly transfer an attack packet in the network to improve network security.

Abstract: Certain embodiments of the present disclosure are directed to a stretch removable adhesive tape comprising a thermoplastic polyurethane film having a unique combination of properties leading to a unique stretch removal profile.

Abstract: A discharge protection circuit has a cell combination with more than one cell, a power supply circuit, an output circuit, a MCU chip, a voltage detection circuit, a NTC circuit, a current detection circuit, a drive circuit and a drive switch. The power supply circuit, the output circuit and the cell combination form a series connection and the MCU chip forms an electrical connection with the voltage detection circuit, the drive circuit and the current detection circuit, respectively, with the voltage detection module being electrically connected with the cell combination and the NTC circuit respectively. A control method includes enabling a discharge procedure of the discharge protection circuit to discharge with a power quantity 0.2 times nominal power quantity each hour. In this procedure, the MCU chip is cyclically dormant to reduce the control power dissipation and improve discharge quantity while achieving discharge protection of the battery pack.

Abstract: An embodiment method for reading a BIOS includes receiving a reset signal of a processor, and generating a first start address or a second start address according to the reset signal, and reading a BIOS in a storage chip according to the first start address or the second start address. The first start address corresponds to a storage address of a primary BIOS stored in the storage chip, and the second start address corresponds to a storage address of a backup BIOS stored in the storage chip. When reading the BIOS, the processor may generate the first start address or the second start address according to the reset signal, so as to read the primary BIOS or the backup BIOS, which may improve universality of BIOS reading.

Abstract: An image processing apparatus comprises a processor for quantizing multi-gradation image data with regard to each of R, G and B to convert it into pseudo halftone output image data. First, the processor performs a first quantization for deciding a dot appearance pattern C(B)i,j[k] with respect to an observed pixel of the multi-gradation image data with regard to blue. After that, the processor performs a second quantization for deciding the dot appearance pattern of green with respect to the observed pixel so as to make an anti-correlation with the dot appearance pattern C(B)i,j[k] decided by the first quantization.

Abstract: An image processing method, for extracting a base component from image data including a detailed component and the base component, containing the steps of extracting the base component by application of an edge preserving filter to the image data; and correcting the portion, of the extracted base component, corresponding to a predetermined frequency component of the original image data.