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42results about How to "Significant selectivity" patented technology

Mixed Matrix Membranes Containing Molecular Sieves With Thin Plate Morphology

The present invention discloses mixed matrix membranes (MMMs) comprising a polymer matrix and molecular sieve particles and methods for making and using these membranes. The molecular sieve particles contain micropores or mesopores and exhibit a thin plate morphology with high aspect ratio and the plate thickness no more than 300 nm. This invention also pertains to controlling the alignment of the thin plate molecular sieve particles in the continuous polymer matrix of the thin dense selective layer of the asymmetric mixed matrix membranes. These MMMs exhibited much higher selectivity improvement than those comprising molecular sieve particles with other kinds of morphology for gas separations such as CO2 / CH4 and H2 / CH4 separations. The thin plate morphology of molecular sieves is beneficial to make high performance mixed matrix membranes. The MMMs are suitable for a variety of liquid, gas, and vapor separations
Owner:UOP LLC

Optimization method for track playback function in indoor positioning system

The invention discloses an optimization method for a track playback function in an indoor positioning system, wherein the optimization method comprises the following steps of: S1, importing an indoor CAD (Computer-Aided Design) map into a monitoring center of the indoor positioning system; S2, acquiring the boundary, the scale and the coordinates of obstacles of the imported current map by the monitoring center automatically; S3, identifying the obstacles by the monitoring center, formatting the current map area and optimizing the specification scenery color of the map; S4, recording and storing the track coordinate data of the electronic tag movement, carried by a positioned object, by the monitoring center via a communication network; S5, optimizing the recorded track data by the monitoring center by adopting an A* algorithm and recording optimal obstacle avoidance data; and S6, drawing the track point and the trajectory by the monitoring center according to the optimized track data. Compared with the prior art, the invention has the advantages of greatly improving the performance of track playback, and has the obvious optimal choice of a track path and an intelligent obstacle avoidance function.
Owner:SHANGHAI KINGYEE INFORMATION TECH

Secure Wireless Communication Platform

A system for transmitting and receiving medical vital signs from a “smart” vital sign apparatus over multi-protocol communication channels to and from a remote electronic health record database that may include a plurality of vital sign sources that communicate over a plurality of standard communication channels including: Bluetooth, LoRa, WiFi, cellular, Ethernet or other direct IP paths. The system reduces the volume of data transferred and extends BLE security.
Owner:STEL LIFE INC

Molecular imprinting polymer filter paper for absorbing penicillin and preparation method thereof

The invention discloses a molecular imprinting polymer filter paper for absorbing penicillin. The filter paper is prepared by following steps: (1) dissolving penicillin and monomer in acetonitrile, sealing, standing still for at least 6 hours, adding an initiator and a cross-linking agent, introducing nitrogen to remove the oxygen in the solution; (2) putting a filter paper into the solution prepared in the step (1), oscillating for at least 3 hours, taking the filter paper out, putting the filter paper in a dry container, sealing the container, putting the container in a constant temperature incubator with a temperature of 50 to 80 DEG C, and having polymerization reaction for 8 to 24 hours; (3) putting the filter paper prepared in the step (2) into a mixed solution of methanol and acetic acid, oscillating, washing away the penicillin, non-polymerized monomers and cross-linking agent on the filter paper, soaking the filter paper in methanol, washing away acetic acid, and drying so as to obtain the molecular imprinting polymer filter paper for absorbing penicillin. The monomer is a mixture of itaconic acid, acrylamide and 2-vinylpyridine with a mol ratio of 1:1 to 1.5:0.5 to 1, and the cross-linking agent is pentaerythritol tetramethacrylate. The molecular imprinting polymer filter paper for absorbing penicillin is a cheap and high-efficient antibiotic absorption material.
Owner:孟周翔

Method and apparatus for secure passive wireless communication with bluetooth vitals devices

A system for transmitting and receiving medical vital signs from a “smart” vital sign apparatus over multi-protocol communication channels to and from a remote electronic health record database that may include a plurality of vital sign sources that communicate over a plurality of standard communication channels including: Bluetooth, LoRa, WiFi, cellular, Ethernet or other direct IP paths. The system reduces the volume of data transferred and extends BLE security.
Owner:STEL LIFE INC
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