Abstract: The present invention provides an oil slurry filter, a filter unit including the oil slurry filter, a multiple-filter system including the oil slurry filter, and a multiple-stage filter system including the oil slurry filter. Due to the use of the filter component of flexible texture in the oil slurry filter of the present invention, the problems that the filter material is easily blocked by high-viscosity colloidal impurities, the regeneration efficiency of the filter is poor and the filtration efficiency is low are solved, and it is possible to make the backwash treatment of the filter residue more convenient and improve the regeneration efficiency of the filter. The present invention also provides a filtering process using the oil slurry filter to ensure long-term stable operation of the oil slurry filtering process.

Abstract: Provided are a sound gathering device for voiceprint monitoring and a preparation method. The sound gathering device is a cone structure and includes a front end portion (1) and a rear end portion (2), the front end portion (1) is trumpet-shaped, an inner wall surface of the front end portion (1) is present a pattern array of a microstructure (3), and the microstructure (3) presenting the pattern array is formed through laser etching. A sound wave frequency monitored by the sound gathering device is 50 Hz˜10 kHz, and a sound wave enters the sound gathering device from an entrance of the front end portion (1), is reflected through the pattern array of the microstructure (3) on the inner wall surface of the front end portion (1), and is transmitted from an exit of the rear end portion (2), and a sound pressure of the exit of the rear end portion (2) is 4 times˜8 times a sound pressure of the entrance of the front end portion (1).

Abstract: A system to provide physical therapy in the form of heating, cooling and/or percussion, comprising: a device that contains a battery, a motor, and a switch to turn the device on or off or put the device in heating mode or put the device in cooling mode or put the device in percussion mode; wherein the device contains a motor and a pushing rod that supply the movement that results in percussion of a removable heating/cooling attachment and a removable percussion attachment; wherein the front of the device connects to the removable heating/cooling attachment that contains an electronic component to control heating or cooling and a cooling fan; wherein the removable heating/cooling attachment can be used for heating or cooling; wherein a housing shell for the heating/cooling attachment is made of plastic, foam, or metal, or any combination of plastic, foam and metal; wherein the front part of the heating/cooling attachment is made of metal that has the capability to be in contact with human skin in order to prov

Abstract: The present disclosure provides a GaAs monolithic integrated terahertz low-noise communication system transceiver front-end, including an intermediate frequency circuit and a terahertz circuit. The terahertz circuit includes a local oscillator frequency tripler, a local oscillator unidirectional 3 dB filter coupler, a radio frequency 180° filter coupler, and two terahertz GaAs monolithic integrated subharmonic mixers. The local oscillator unidirectional 3 dB filter coupler and the radio frequency 180° filter coupler each include one ring-cylindrical resonant cavity and four rectangular waveguides. The ring-cylindrical resonant cavity is divided into four rectangular waveguides which are correspondingly connected to the four sector-annular resonant cavities, respectively.

Abstract: A steam-powered outboard conformal cooling system includes a steam turbine, a cooler and a conformal heat exchanger. The conformal heat exchanger includes a casing, a lower cap, an upper cap and multiple heat exchange tubes. The casing includes an outer shell plate provided outside a hull plate, the outer shell plate and the hull plate define a seawater heat exchange chamber. A first end of each of the heat exchange tubes is communicated with a cooling water intake chamber, a second end of the each of the heat exchange tubes is communicated with a cooling water discharge chamber, the cooling water intake chamber is communicated with the cooler through a water intake pipe, the cooling water discharge chamber is communicated with the cooler through a water discharge pipe.

Abstract: A sample analyzer, comprising a reaction assembly and a detection assembly, wherein the reaction assembly comprises a sampler and a reaction tank, the sampler is used for collecting a biological sample and injecting the biological sample into the reaction tank, a wall of the reaction tank is provided with a first through-hole used for injecting a first reagent, and a center line of the first through-hole is arranged to be misaligned with the sampler after the sampler moves into the reaction tank, the detection assembly is connected to the reaction tank and is used for drawing fluid from the reaction tank for test. The reaction assembly enables a solution to be more uniformly mixed.

Abstract: Sample analyzers and a method for controlling the sample analyzer are provided. The sample analyzer includes a reaction device, a detection device, a processor and a display. The reaction device is configured to obtain a reaction product. Multiple types of emitting lights are emitted after the irradiation light from the detection device irradiates the reaction product. An optical signal acquisition component is configured to acquire, in each light acquiring period, optical signals corresponding to a detection wavelength and at least one wavelength other than the detection wavelength for at least one type of emitting light. The processor is configured to calculate, for the at least one type of emitting light, optical data corresponding to the detection wavelength and the at least one wavelength other than the detection wavelength in each light acquiring period. The display is configured to display the optical data in multiple light acquiring periods.

Abstract: An optical detection system, a blood cell analyzer and a platelet detection method are provided. The optical detection system includes: an optical subsystem, a flow chamber and a first detector; the optical subsystem includes a laser, a front optical assembly including an optical isolator, and a rear optical assembly including a blocking diaphragm. The laser is configured to emit a laser beam; the front optical assembly is configured to perform front optical treatment; the rear optical assembly is disposed downstream of the flow chamber in the propagation direction of the laser beam, and is configured to perform rear optical treatment on the scattered light and the laser beam converged at the blocking diaphragm; and the optical isolator is configured to isolate reflected light that is generated when the laser beam passes through the flow chamber.

Abstract: Disclosed herein is a cell-based assay for determining potency of a recombinant viral vector expressing a transgene.

Abstract: An optical detection system, a blood cell analyzer and a platelet detection method are provided. The optical detection system includes: an optical subsystem, a flow chamber and a first detector; the optical subsystem includes a laser, a front optical assembly including an optical isolator, and a rear optical assembly including a blocking diaphragm. The laser is configured to emit a laser beam; the front optical assembly is configured to perform front optical treatment; the rear optical assembly is disposed downstream of the flow chamber in the propagation direction of the laser beam, and is configured to perform rear optical treatment on the scattered light and the laser beam converged at the blocking diaphragm; and the optical isolator is configured to isolate reflected light that is generated when the laser beam passes through the flow chamber.

Abstract: A material compliance system and method, which includes a call information receiving module for receiving call information, a voice labeling module for recognizing label information in the call information via voice recognition and inserting label information to form primary recording information, a voice segmentation module for segmenting the primary recording information into intermediate recording information based on the label information, a voice recognition module for converting the intermediate recording information into final text information, a voice analysis module for organizing the intermediate text information into compliance information and storing it in a database, and an output module for outputting the received compliance information.

Abstract: A sample analyzer with an optical detection device and a sample analysis method of the sample analyzer are disclosed. The optical detection device includes a fluid chamber, a light source and a light detector. The fluid chamber includes an illumination zone. An analyte flows through the illumination zone so as to form a sample stream. The light source illuminates the illumination zone to excite cell articles, reacted with a reagent, of the sample stream to emit a light signal. The light detector detects the fluorescent lights and transforms it into an electric signal. The light detector can include a silicon photomultiplier.

Abstract: The invention provides a process for preparing a cell-binding agent chemically coupled to a drug. The process comprises covalently attaching a linker to a cell-binding agent, a purification step, conjugating a drug to the cell-binding agent and a subsequent purification step.

Abstract: The invention provides a process for preparing a cell-binding agent chemically coupled to a drug. The process comprises covalently attaching a linker to a cell-binding agent, a purification step, conjugating a drug to the cell-binding agent and a subsequent purification step.

Abstract: A computing device of the present invention estimates an unknown parameter ? of a model formula when distributed sample data is acquired, wherein when an estimated quantity of ? is acquired, a function g is estimated using a random forest model, such that when an estimated quantity of g is acquired, the estimated quantity of g and the estimated quantity of ? are used so as estimate a function G as a prediction formula for new data corresponding to a specific item such that an estimated quantity of G is acquired, and thus new data xnew is received, thereby enabling the class of the specific item to be classified from the calculated value.

Abstract: A wellbore isolation device includes a mandrel, a sealing element disposed around at least a portion of the mandrel, and a delay coating disposed on at least a portion of an outer surface of the sealing element. The sealing element includes a swellable material and the delay coating covers a cross-linked polymer. The delay coating is configured to swell or degrade in a wellbore fluid.

Abstract: An optical detection system, a blood cell analyzer and a platelet detection method are provided. The optical detection system includes: an optical subsystem, a flow chamber and a first detector; the optical subsystem includes a laser, a front optical assembly including an optical isolator, and a rear optical assembly including a blocking diaphragm. The laser is configured to emit a laser beam; the front optical assembly is configured to perform front optical treatment; the rear optical assembly is disposed downstream of the flow chamber in the propagation direction of the laser beam, and is configured to perform rear optical treatment on the scattered light and the laser beam converged at the blocking diaphragm; and the optical isolator is configured to isolate reflected light that is generated when the laser beam passes through the flow chamber.

Abstract: Disclosed herein are compositions comprising recombinant adeno-associated virus (rAAV), as well as recombinant baculovirus systems and methods of using the same for producing and purifying such compositions. Also disclosed herein are assays for testing the titer and potency of such compositions.

Abstract: An optical detection system, a blood cell analyzer and a platelet detection method are provided. The optical detection system includes: an optical subsystem, a flow chamber and a first detector; the optical subsystem includes a laser, a front optical assembly including an optical isolator, and a rear optical assembly including a blocking diaphragm. The laser is configured to emit a laser beam; the front optical assembly is configured to perform front optical treatment; the rear optical assembly is disposed downstream of the flow chamber in the propagation direction of the laser beam, and is configured to perform rear optical treatment on the scattered light and the laser beam converged at the blocking diaphragm; and the optical isolator is configured to isolate reflected light that is generated when the laser beam passes through the flow chamber.

Abstract: A sample analyzer with an optical detection device and a sample analysis method of the sample analyzer are disclosed. The optical detection device includes a fluid chamber, a light source and a light detector. The fluid chamber includes an illumination zone. An analyte flows through the illumination zone so as to form a sample stream. The light source illuminates the illumination zone to excite cell articles, reacted with a reagent, of the sample stream to emit a light signal. The light detector detects the fluorescent lights and transforms it into an electric signal. The light detector can include a silicon photomultiplier.