Abstract: Membranes, articles, and methods for hydrolysis of compounds comprising ester or phosphate ester groups are disclosed. The membranes and articles comprise a plurality of peptoids, at least one peptoid of the plurality of peptoids has a hydrophobic unit, a hydrophilic unit, and a metal-coordination ligand. The metal-coordination ligands are configured to bind to one or more metal ions. The metal-containing peptoid membranes self-assemble and show high efficiency for catalytic organophosphate hydrolysis.

Abstract: Embodiments of the present invention provide an optical structure, an optical coupling method, and a photonic integrated circuit chip. The optical structure includes: two optical coupling structures with different structures, that is, a first optical coupling structure and a second optical coupling structure. The first optical coupling structure includes a first optical transmission structure, and a first coupling port and a second coupling port both connected to the first optical transmission structure. The second optical coupling structure includes a second optical transmission structure, and a third coupling port and a photoelectric conversion structure both connected to the second optical transmission structure. When optical signals are provided in different methods or optical coupling is performed in different scenarios, optical signal coupling can be realized by using optical coupling structures of different structures in the abovementioned optical structure.

Abstract: A modem is configurable on a satellite, user terminal or gateway generates a radio frequency (RF) signal using an orthogonal frequency division multiplexing (OFDM) protocol including a radio frame including one or more bursts. A burst of the one or more bursts includes a first portion including burst detection data, a second portion including channel characteristic estimation data, a third portion including payload data, and fourth and fifth portions including pilot data. The first portion in a time domain is included in the burst prior to the second, third, fourth, and fifth portions. The first portion can include a pseudo-random noise sequence inserted in the time domain. The same physical modem can be configured to transmit signals on an uplink or downlink between a user terminal and a satellite or on the uplink or downlink between the satellite and the gateway.

Abstract: A modem is configured to receive a transmitted waveform transmitted from a satellite (SAT) to a user terminal (UT). The modem includes: a receiver, on the UT, configured to receive the transmitted waveform from the SAT, the transmitted waveform comprising first resource blocks intended for the UT and second resource blocks intended for a second UT, a first set of components configured with the receiver on the UT to process the transmitted waveform with the first resource blocks and the second resource blocks, a multi-user demapper configured with the receiver to extract the first resource blocks from the transmitted waveform to yield a per-user signal, and a second set of components configured within the receiver to demodulate and decode the first resource blocks in the per-user signal.

Abstract: Disclosed are a silicon-aluminum alloy and its preparation method. The method comprises: adding aluminum metal or molten aluminum into a container, wherein the temperature of the molten aluminum is between 700° C. and 800° C.; adding a semi-metallic silicon raw material to the molten aluminum, closing a furnace cover, carrying out vacuumization, and introducing argon, to ensure that the interior of a magnetic induction furnace is in a positive-pressure state, and stirring the aluminum metal or molten aluminum with a graphite stirring head; powering on and heating so that the aluminum metal or molten aluminum is heated to 1000° C. or above and molten, and holding the temperature between 1000° C. and 1500° C.; and after alloying is completed, cooling the molten aluminum to 1000° C. or below, opening the furnace cover, pouring the silicon-aluminum alloy into a corresponding mold, and cooling for molding.

Abstract: The present disclosure provides vector stuffer polynucleotides and compositions thereof, including expression constructs and vectors, such as viral vectors and methods of delivering a therapeutic agent (e.g., inhibitory nucleic acid) to a mammal or treating a disease.

Abstract: The invention relates to inhibitory nucleic acids targeting the ataxin-2 gene (ATXN2), and expression cassettes and vectors comprising the same. Also provided herein are methods of treating neurodegenerative diseases, e.g., Amyotrophic Lateral Sclerosis and Spinocerebellar Ataxia-2.

Abstract: An operating current modifying device is provided for a power generating element. The power generating element generates an output power when the operating current is larger than a threshold current in the power generating element. A functional relationship is between the threshold current and the temperature of the electrical device. The operating current modifying device includes a threshold current modifying module, a power modifying module, a current compensating module, and a power control module. The threshold current modifying module receives a temperature signal from the power generating element to output a threshold current modifying signal according to the temperature signal and the functional relationship. The power modifying module receives a power feedback signal from the power generating element and a target power signal to output an operating current modifying signal.

Abstract: A power control device of multi base powers is provided for an optical read/write module of an optical disk drive. The optical read/write module generates a power feedback signal and a temperature signal. The power control device includes a base power selecting module, a current compensating module, a current computing module and a current integrating module. The base power selecting module selects one of a first base power signal and a second base power signal to output a base power signal. The current compensating module generates an operating current compensating signal and a threshold compensating signal according to the power feedback signal, the temperature signal, the base power signal and a function relationship between the temperature signal and the threshold current of the optical read/write module.

Abstract: A threshold current modifying device is provided for an optical pickup head. The optical pickup head initially generates an output power when an operating current is larger than a threshold current of the optical pickup head, and the threshold current is related to a temperature of the optical pickup head in a functional relationship. The threshold current modifying device includes a threshold current calculating module and a power control module. The threshold current calculating module receives a temperature signal from the optical pickup head at a first temperature to output a threshold current signal according to the temperature signal and the functional relationship. The power control module receives the threshold current signal to adjust the operating current.

Abstract: A power control device of single base power is provided for an optical read/write module of an optical disk drive. The optical read/write module generates a power feedback signal and a temperature signal. The power control device includes a current compensating module, a current computing module and a current integrating module. The current compensating module generates an operating current compensating signal and a threshold compensating signal according to the power feedback signal, the temperature signal, a base power signal and a function relationship between the temperature signal and the threshold current of the optical read/write module. The current computing module receives the operating current compensating signal to compute a first operating current signal and a second operating current signal based on the operating current compensating signal according to the base power signal and a reference power signal.

Abstract: An operating current modifying device is provided for a power generating element. The power generating element generates an output power when the operating current is larger than a threshold current in the power generating element. A functional relationship is between the threshold current and the temperature of the electrical device. The operating current modifying device includes a threshold current modifying module, a power modifying module, a current compensating module, and a power control module. The threshold current modifying module receives a temperature signal from the power generating element to output a threshold current modifying signal according to the temperature signal and the functional relationship. The power modifying module receives a power feedback signal from the power generating element and a target power signal to output an operating current modifying signal.

Abstract: A power control method is provided for an optical disk drive. The optical disk drive has an optical read/write module for accessing an optical storage media. The power control method includes the following steps: measuring the temperature of the optical read/write module; predicting a threshold current of the optical read/write module according to the temperature; determine the accessing mode of the optical storage media; measuring the output power of the optical read/write module; computing a first current required for the optical read/write module according to the output power of the optical read/write module and a base power in the accessing mode; compensating the computed first current according to the predicted threshold current; and driving the optical read/write module according to the first current.

Abstract: An operating current modifying device is provided for a power generating element. The power generating element generates an output power when the operating current is larger than a threshold current in the power generating element. A functional relationship exists between the threshold current and the temperature of the electrical device. The operating current modifying device may include a threshold current modifying module, a power modifying module, a current compensating module, and a power control module.

Abstract: A power control device of multi base powers is provided for an optical read/write module of an optical disk drive. The optical read/write module generates a power feedback signal and a temperature signal. The power control device includes a base power selecting module, a current compensating module, a current computing module and a current integrating module. The base power selecting module selects one of a first base power signal and a second base power signal to output a base power signal. The current compensating module generates an operating current compensating signal and a threshold compensating signal according to the power feedback signal, the temperature signal, the base power signal and a function relationship between the temperature signal and the threshold current of the optical read/write module.

Abstract: A power control device of single base power is provided for an optical read/write module of an optical disk drive. The optical read/write module generates a power feedback signal and a temperature signal. The power control device includes a current compensating module, a current computing module and a current integrating module. The current compensating module generates an operating current compensating signal and a threshold compensating signal according to the power feedback signal, the temperature signal, a base power signal and a function relationship between the temperature signal and the threshold current of the optical read/write module. The current computing module receives the operating current compensating signal to compute a first operating current signal and a second operating current signal based on the operating current compensating signal according to the base power signal and a reference power signal.

Abstract: A threshold current modifying device is provided for an optical pickup head. The optical pickup head initially generates an output power when an operating current is larger than a threshold current of the optical pickup head, and the threshold current is related to a temperature of the optical pickup head in a function relationship. The threshold current modifying device includes a threshold current calculating module and a power control module. The threshold current calculating module receives a temperature signal from the optical pickup head at a first temperature to output a threshold current signal according to the temperature signal and the function relationship. The power control module receives the threshold current signal to adjust the operating current.

Abstract: An operating current modifying device is provided for a power generating element. The power generating element generates an output power when the operating current is larger than a threshold current in the power generating element. A functional relationship is between the threshold current and the temperature of the electrical device. The operating current modifying device includes a threshold current modifying module, a power modifying module, a current compensating module, and a power control module. The threshold current modifying module receives a temperature signal from the power generating element to output a threshold current modifying signal according to the temperature signal and the functional relationship. The power modifying module receives a power feedback signal from the power generating element and a target power signal to output an operating current modifying signal.

Abstract: A power control method is provided for an optical disk drive. The optical disk drive has an optical read/write module for accessing an optical storage media. The power control method includes the following steps: measuring the temperature of the optical read/write module; predicting a threshold current of the optical read/write module according to the temperature; determine the accessing mode of the optical storage media; measuring the output power of the optical read/write module; computing a first current required for the optical read/write module according to the output power of the optical read/write module and a base power in the accessing mode; compensating the computed first current according to the predicted threshold current; and driving the optical read/write module according to the first current.

Abstract: A power control device of single base power is provided for an optical read/write module of an optical disk drive. The optical read/write module generates a power feedback signal and a temperature signal. The power control device includes a current compensating module, a current computing module and a current integrating module. The current compensating module generates an operating current compensating signal and a threshold compensating signal according to the power feedback signal, the temperature signal, a base power signal and a function relationship between the temperature signal and the threshold current of the optical read/write module. The current computing module receives the operating current compensating signal to compute a first operating current signal and a second operating current signal based on the operating current compensating signal according to the base power signal and a reference power signal.