Abstract: The present application provides a muffler, comprising a cylindrical housing defining an anechoic chamber, an anechoic chamber inlet and an anechoic chamber outlet that are located at two opposite axial ends of the housing, and at least one partition plate, at least one muffling pipe, and at least one liquid discharging pipe that are located in the anechoic chamber. The at least one liquid discharging pipe is provided on the at least one partition plate and extends a certain distance along the axis of the housing on at least one side of the corresponding partition plate. Each liquid discharging pipe defines a liquid discharging channel penetrating through the corresponding partition plate. Each liquid discharging pipe is arranged in close contact with the housing or is partially formed by the housing.

Abstract: Positive reference spiked in collected sample for use in qualitatively and quantitatively detecting viral RNA.

Abstract: A method, an apparatus, a device and a storage medium for virtual asset management are provided. The method includes: presenting an asset management interface of a development space associated with a set of workflows; determining a set of virtual assets associated with the set of workflows, the set of virtual assets including at least one model and/or at least one plug-in associated with the set of workflows; presenting, in the asset management interface, a first set of information items corresponding to the set of virtual assets, wherein the information item indicates at least an obtainance state of a corresponding virtual asset; and performing, in response to receiving a first preset operation for a first information item in the first set of information items, a management action for a target virtual asset corresponding to the first information item, to adjust the obtainance state of the target virtual asset.

Abstract: The present application discloses a silencing unit and a silencing structure. The silencing unit includes a main body and a neck. The main body is provided with a cavity and a liquid drain outlet, and the drain outlet is arranged on a side wall of the main body and communicates with the cavity. The neck is arranged on a side portion of the main body and connected to the main body, and the neck is provided with a drain channel. Wherein the drain channel communicates with the cavity through the drain outlet, and the bottom of the cavity is not lower than the bottom of the drain channel. The silencing unit of the present application can drain a liquid entering the cavity out of the cavity while silencing.

Abstract: A paddle-style handset control and a height adjustable desk; the paddle-style handset control includes a bracket and paddle piece mounted on the bracket, the paddle piece including a horizontal connecting section in the bracket and a manipulating section extending out of the bracket; the paddle-style handset control further includes a two-way switch including a switch body installed on the paddle piece and a rocker, the switch body includes up and down contactors; the rocker is provided thereon with a rotating shaft, one end of the rocker being connected to the switch body via the rotating shaft, another end restrained on the bracket; the paddle piece tilts driving the rocker to rock relative to the switch body thereby triggering the up or down contactors. In the paddle-style handset control, the two-way switch as an integrated structure is mounted on the paddle piece, which facilitates assembly of the paddle-style handset control.

Abstract: A method and system for controlling a supply voltage provided to a processor by generating a voltage setting command by a workload scheduler; and responding to the voltage setting command by instructing a voltage regulator that provides the supply voltage, at a supply voltage level, to set the supply voltage level to one of at least an idle voltage level or an active voltage level that is higher than the idle voltage level.

Abstract: Disclosed is a screw compressor (100), comprising a screw compressor housing (101), a discharge cavity (113), at least one silencing channel, and at least one adjustment piston, wherein the discharge cavity (113) is defined by at least one part of the screw compressor housing (101); the at least one part of the screw compressor housing (101) defining the discharge cavity (113) forms a wall of the discharge cavity (113); at least one hole is provided in the wall of the discharge cavity (113); the at least one adjustment piston can be inserted into the at least one hole and move therein; the at least one silencing channel is formed by the at least one hole and the at least one adjustment piston, and the at least one silencing channel is in fluid communication with the discharge cavity (113); and the position of the at least one adjustment piston in the at least one hole determines the silencing length of the at least one silencing channel.

Abstract: A compressor, comprising: a housing (101) provided with a rotor accommodating cavity (105) and an exhaust cavity (180); and a pair of screw rotors (110) at least partially located in the rotor accommodating cavity (105), a compression accommodating cavity (150) being formed between teeth of the pair of screw rotors (110) and the housing (101), and the pair of screw rotors (110) having a suction end (112) and an exhaust end (113), wherein the housing (101) further comprises an unloading channel (208) and a connecting channel (308), the unloading channel (208) is provided with an unloading channel inlet (216) and an unloading channel outlet (217), the unloading channel inlet (216) can be communicated with the compression accommodating cavity (150) through the connecting channel (308), and the unloading channel outlet (217) is communicated with a suction side of the compressor; and an unloading device (109) configured to controllably open or close the connecting channel (308), such that the compression accommoda

Abstract: Disclosed in the present application are an economizer and a refrigeration system comprising same. The economizer comprises: an outer shell that internally comprises a heat exchange cavity and a gas-liquid separation cavity; and a heat exchange tube bundle provided in the heat exchange cavity. The economizer is configured to enable refrigerants from a condenser to be subjected to heat exchange in the heat exchange cavity first, and then to be subjected to gas-liquid separation in the gas-liquid separation cavity after passing through a first-stage throttling device, such that gas refrigerants flow out of a gas outlet of the gas-liquid separation cavity, and liquid refrigerants flow out of a liquid outlet of the gas-liquid separation cavity.

Abstract: A vibration frequency adjustment system, comprising a vibratable component (102), at least one counterweight (401, 402), at least one drive device (407, 408), and a controller (307). The vibratable component (102) is configured to be connected to a vibration source (101). The vibration source (101) has an operating frequency range, and the vibratable component (102) has a natural vibration frequency. The at least one counterweight (401, 402) is configured to be movable along the vibratable component (102). The at least one drive device (407, 408) is configured to enable the at least one counterweight (401, 402) to be maintained at or moved to various counterweighting positions (421, 422, 423) on the vibratable component (102). The controller (307) is communicatively connected to the at least one drive device (407, 408). The vibration frequency adjustment system is used for a variable-frequency screw unit so as to reduce the vibration of an exhaust pipe.

Abstract: Positive reference spiked in collected sample for use in qualitatively and quantitatively detecting viral RNA.

Abstract: A pipeline (180) provided with a silencing structure, the pipeline comprising a pipe (150) and a silencing structure (100). The pipe (150) has a uniform diameter. The silencing structure (100) comprises a main silencing pipe (210) and a baffle (220). The baffle (220) is disposed around the main silencing pipe (210) and is connected on the main silencing pipe (210), and the baffle (220) comprises an opposite first side and second side; the main silencing pipe (210) extends on the first side and/or the second side of the baffle (220); the main silencing pipe (210) of the silencing structure (100) is disposed in the pipe (150) and is connected to the pipe (150) by means of the baffle (220); and the baffle (220) is configured to be capable of stopping a fluid from flowing through the baffle (220) from the space between the pipe (150) and the main silencing pipe (210).

Abstract: Disclosed is a screw compressor (100), comprising a screw compressor housing (101), a discharge cavity (113), at least one silencing channel, and at least one adjustment piston, wherein the discharge cavity (113) is defined by at least one part of the screw compressor housing (101); the at least one part of the screw compressor housing (101) defining the discharge cavity (113) forms a wall of the discharge cavity (113); at least one hole is provided in the wall of the discharge cavity (113); the at least one adjustment piston can be inserted into the at least one hole and move therein; the at least one silencing channel is formed by the at least one hole and the at least one adjustment piston, and the at least one silencing channel is in fluid communication with the discharge cavity (113); and the position of the at least one adjustment piston in the at least one hole determines the silencing length of the at least one silencing channel.

Abstract: A plastic single-axis zero-expansion composite material and a preparation method thereof are provided, featuring incorporating an ?-Fe second phase into a matrix of R2Fe17-type intermetallic compound, in which R refers to a rare earth element with a low atomic content of 4%. The material has simple synthesis steps and can be easily implemented, and the phase interface formed by the eutectic reaction is more stable than the composite structures obtained by the traditional solid-phase sintering, thereby realizing the regulation of the thermal expansion, and significantly improving the mechanical properties.

Abstract: A method and apparatus are disclosed to perform the circular addressing to emulate a virtually unlimited memory space despite the fixed capacity of a physical memory by readdressing the portion of the data that exceeds the pre-defined length of the circular addressing region to another pre-defined address in the circular addressing region. Data segments in a data sample can be loaded and computed with recalculated circular addresses for different applications.

Abstract: Examples of techniques for patient-level analytics with sequential pattern mining are provided. In one example implementation according to aspects of the present description, a computer-implemented method includes: constructing a patient record; transforming, by a processing system, the patient record into a bitmap representation; and analyzing, by the processing system, the bitmap to identify a sequential pattern within the patient record on a per patient basis.

Abstract: Embodiments include methods, systems and computer program products for reducing feature space in analysis of medical data. Aspects include receiving patient temporal traces. Aspects also include conducting sequential pattern mining on the patient temporal traces to produce sequential features. Aspects also include clustering the sequential features with a similarity metric. Aspects also include analyzing the clustered features to predict a healthcare outcome.

Abstract: A method and apparatus are disclosed to perform the circular addressing to emulate a virtually unlimited memory space despite the fixed capacity of a physical memory by readdressing the portion of the data that exceeds the pre-defined length of the circular addressing region to another pre-defined address in the circular addressing region. Data segments in a data sample can be loaded and computed with recalculated circular addresses for different applications.