Abstract:
The present disclosure provides a method for preparing polylactic acid and its products using a twin-screw extruder, comprising the step of mixing carbon dioxide adducts of carbene and lactide, and obtaining polylactic acid and its products via reactive extrusion using a twin-screw extruder. Some of the carbon dioxide adducts or carbene have the following general formula:
Abstract:
The present invention discloses a method for indicating a modulation mode in HSDPA, comprising the following steps: a NodeB receiving capability information reported by a terminal, if determining that the terminal supports 64QAM modulation mode, determining a transmission block size, a modulation mode and code channel resource to be indicated based on an capability constraint condition and the capability information, and if the determined modulation mode is the same as a basic modulation mode satisfying requirement of the transmission block size, setting modulation mode information of a HS-SCCH as 0, otherwise setting the modulation mode information of the HS-SCCH as 1, and then sending the HS-SCCH to the terminal. Application of the present invention is compatible with a UE device which supports or does not support 64QAM high order modulation, without changing the current frame structure of the HS-SCCH, thereby achieving functional support of the 64QAM modulation mode.
Abstract:
The methods and apparatuses detect a color of each of a plurality of pixels within a frame; group a portion of the plurality of pixels having a common color into a block; and generate a color list including the common color based on a threshold value corresponding to the block.
Abstract:
A power failure protection circuit (10) for a non-volatile semiconductor storage device includes at least an energy storage unit (C1) that serves as a backup power supply for providing backup electrical energy when a power failure occurs. During normal operation of the device, a main control unit (12) is responsible for controlling an external power input to charge the energy storage unit, for dynamically detecting the status of the energy storage unit and for using information about the status to ensure sufficient backup electrical energy for the energy storage unit. During an abnormal operation of the power supply, the main control unit (12) is responsible for discharging the energy storage unit.
Abstract:
In one embodiment, an online collaborative computing session is initiated between a presenter device and a plurality of attendee devices via a server in a computer network. The server distributes session data from the presenter device to the plurality of attendee devices. To decrease the amount of traffic in the network, at least one of the plurality of attendee devices may be selected as a super node, where each super node is then responsible for one or more corresponding attendee devices of the session. The session data is received at the super nodes and distributed from the super node to its one or more corresponding attendee devices.
Abstract:
A flash memory data read/write processing method is provided. The method includes the following steps. An encoding process is performed on the data to be written so that a number of a specific value in the encoded data is reduced compared with that in the original data, and the encoded data is written into a flash memory chip. The encoded data in the flash memory chip is read out, then a decoding process corresponding to the encoding process in Step 1 is performed on the read data, and finally, the decoded data is output. This method may reduce the consumption of a flash memory chip due to writing and erasing operations, thereby prolonging the operating life span of the flash memory chip. This method may also increase the efficiency of writing and erasing operations, reduce the operating time, as well as reduce the power consumption of flash memory operations.
Abstract:
A coke removal system removes coke deposits from the walls of a high temperature passage in which hydrocarbon fuel is present. The system includes a carbon-steam gasification catalyst and a water source. The carbon-steam gasification catalyst is applied to the walls of the high temperature passage. The water reacts with the coke deposits on the walls of the high temperature passage to remove the coke deposits from the walls of the high temperature passage by carbon-steam gasification in the presence of the carbon-steam gasification catalyst.
Abstract:
The methods and apparatuses detect a plurality of pixels within a frame; separate a portion of the plurality of pixels into a lossless category based on inclusion of the portion of the plurality of pixels within a color list; and identify a particular pixel as an isolated pixel through a single point identification module wherein the particular pixel is within the portion of the plurality of pixels.
Abstract:
A class of pyrazole derivatives is described for use in treating p38 kinase medicated disorders. Compounds of particular interest are defined by Formula IA wherein R1, R2, R3 and R4 are as described in the specification.
Abstract:
A class of pyrazole derivatives is described for use in treating p38 kinase mediated disorders. Compounds of particular interest are defined by Formula IA wherein R1, R2, R3 and R4 are as described in the specification.