Abstract: A corneal implant with adhesion-increase treatment is associated with a method for increasing the adhesion of the artificial corneal implant by an epoxy-amine ring-opening reaction of the polyamino high-molecular polymer and glycidyl methacrylate to obtain a methacrylate modified polyamino polymer. The method improves the adhesion and biocompatibility of the artificial corneal endothelial sheet by photo-initiated free radical polymerization reaction, and has a high oxygen permeability and a high adhesion. It can be used for treating patients with corneal endothelial decompensation, playing a barrier role to block aqueous humor, eliminating corneal edema, and reducing the risk of corneal graft detachment after surgery.

Abstract: An adaptive characteristic spectral line screening method and system based on atomic emission spectrum are provided, the method includes: using a set characteristic screening optimization method to perform a plurality of optimization rounds of characteristic screening, obtaining an initialized spectral dataset of each round of the characteristic screening and initialized characteristic population genes; obtaining an optimal characteristic population gene of each round by a set analysis method, a fitness function, and an iteration of a genetic algorithm; obtaining an optimized characteristic spectral information set when the plurality of optimization rounds reach set optimization rounds; performing combination statistics and discriminant analyses on the optimized characteristic spectral information set to complete an adaptive characteristic spectral line screening.

Abstract: A thermoplastic composite material has an inner layer material and at least one layer of outer layer material. The inner layer material is a core layer that contains fiber bundles, a first thermoplastic resin and a first auxiliary agent; and the at least one layer of outer layer material wraps the core layer and is a resin layer comprising a second thermoplastic resin and an optional second auxiliary agent. The fiber bundles extend continuously from one end of the core layer to the opposite end thereof. The inner layer-outer layer composite structure, can effectively improves the processing performance of the thermoplastic composite material and the lubricity between fibers and resin matrixes during injection molding, and improves the fluidity of the fibers in a resin matrix melt.

Abstract: The present invention relates to the field of medicine, in particular to a composition and use of an SGLT-2 inhibitor and angiotensin receptor blockers, and specifically to a fixed-dose compound composition and use of a sodium-glucose cotransporter 2 (SGLT-2) inhibitor and angiotensin receptor blockers (ARBs). The fixed-dose compound composition is used for the treatment of patients with diabetes and hypertension, and also benefits patients with chronic kidney diseases, preventing or delaying the deterioration of renal failure in patients with chronic kidney diseases (CKD), and preventing cardiovascular (CV) death or death from kidney diseases. In addition, the fixed-dose compound composition has good synergy and good stability, is convenient to carry or administer, significantly reduces the cost of medication, also avoids the risk of excessive and missing administration, and improves the compliance of patients with medication.

Abstract: A surgical upper computer for a total knee arthroplasty, and a total knee arthroplasty system, in the field of surgical devices. The surgical upper computer includes a processor, and a memory storing which, when executed, enable the processor to execute operating modes of the surgical upper computer, where the operating modes include: exhibiting information to be input, the information to be input including a dynamic change range of a joint flexion angle, and a relationship between the joint flexion angle and a pushing force applied or a gap formed between a femur and a tibia; applying a pushing force during a process of dynamically adjusting the joint flexion angle, and acquiring corresponding relationship data between the pushing force and the gap; and visually exhibiting the corresponding relationship data. Accordingly, the force and gap between soft tissues in the total knee arthroplasty can be acquired and exhibited in a reasonable manner.

Abstract: A surgical upper computer for a total knee arthroplasty, and a total knee arthroplasty system, and in the field of surgical equipment. The surgical upper computer includes a memory storing a first computer program which enables a processor to execute a first operating mode of the surgical upper computer, where the first operating mode includes: exhibiting, by an interactive interface, to a user, first information to be input, the first information including a magnitude range and change interval of a pushing force applied between a femur and a tibia; in response to user input, controlling a butting member and a push plate to apply different pushing forces at a preset joint flexion angle, and acquiring relationship data between the pushing force and a gap; and displaying the relationship data. Accordingly, the force and gap between soft tissues in the total knee arthroplasty can be acquired and displayed.

Abstract: The invention belongs to the field of polymers, and relates to an anhydride group-containing polypropylene graft for an insulating material and preparation method thereof. The anhydride group-containing polypropylene graft comprises structural units derived from a polypropylene copolymer, structural units derived from an anhydride monomer and structural units derived from an alkenyl-containing polymerizable monomer; the content of the structural units derived from the anhydride monomer and the alkenyl-containing polymerizable monomer and in a grafted state in the anhydride group-containing polypropylene graft is 0.

Abstract: The invention belongs to the field of polymers, and relates to a grafting-modified polypropylene material for an insulating material and preparation method thereof. The grafting-modified polypropylene material comprises structural units derived from a polypropylene copolymer and structural units derived from an alkenyl-containing polymerizable monomer; the content of the structural units derived from the alkenyl-containing polymerizable monomer and in a grafted state in the grafting-modified polypropylene material is 0.1 to 14 wt %; the polypropylene copolymer has at least one of the following characteristics: the comonomer content is 0.5 to 40 mol %; the content of xylene solubles is 2 to 80 wt %; the comonomer content in the xylene solubles is 10 to 70 wt %; the intrinsic viscosity ratio of the xylene solubles to the polypropylene copolymer is 0.3 to 5.

Abstract: Provided is a method for biocatalytic synthesis of Sitagliptin and intermediates thereof, in particular, provided are compounds of Formula (I) and Formula (II), or pharmaceutically acceptable salts thereof, a polypeptide capable of catalyzing conversion of a compound of Formula (I) to a compound of Formula (II), a nucleic acid encoding the polypeptide, a vector and a cell comprising the nucleic acid. In addition, also provided are a method for producing a compound of Formula (II) and Sitagliptin by using the polypeptide and the compound of Formula (I), and a method for preparing the polypeptide.

Abstract: A smartphone cover with a sensor to determine body wellness characteristics of a subject and method is disclosed. A cover having sensors for determining body characteristics is coupled with a mobile communications device. An application on the mobile communications device that signals via a communications channel test criteria to an application executing by a processor in the cover. Sensors embedded in the cover are engaged with the subject to detect the subject's body characteristics to determine medical conditions of the subject. Conditions are indicated on the mobile communications device.

Abstract: The present invention provides a cutting method and equipment of auxiliary packaging containers for testing. The method includes: step S001, material feeding; step S002, laser cutting; performs circumferential cutting of the part of the packaging container to be cut by the laser cutting device on the equipment body; step S003, waste gas treatment; step S004, material unloading; the equipment includes an equipment body and a clamping and positioning device and a laser cutting device, the clamping and positioning device is provided on the lower side of the laser cutting device and can be rotated relative to the laser cutting device; the equipment body is equipped with a waste gas discharge device; the cutting method and equipment of auxiliary packaging containers for testing provided by the present invention overcomes the defects of poor cutting effect, narrow application range, inconvenient cutting and low efficiency of the existing cutting methods of packaging containers.

Abstract: Provided is a method for biocatalytic synthesis of Sitagliptin and intermediates thereof, in particular, provided are compounds of Formula (I) and Formula (II), or pharmaceutically acceptable salts thereof, a polypeptide capable of catalyzing conversion of a compound of Formula (I) to a compound of Formula (II), a nucleic acid encoding the polypeptide, a vector and a cell comprising the nucleic acid. In addition, also provided are a method for producing a compound of Formula (II) and Sitagliptin by using the polypeptide and the compound of Formula (I), and a method for preparing the polypeptide.

Abstract: A polyethylene composition comprising an ethylene/?-olefin copolymerized linear low density polyethylene, wherein the polyethylene composition has a Mw of from 100,000 g/mol to 200,000 g/mol, a Mw/Mn of from 4.0 to 9.0, a Mz/Mw of from 4.0 to 7.0, and a Mz+1/Mw of from 4.5 to 13.5, is provided. A film formed of the polyethylene composition is also provided.

Abstract: A rubber composition, preparation method and vulcanized rubber thereof are provided. The rubber composition comprises uncrosslinked rubber and rubber particles having crosslinked structure dispersed therein, wherein the rubber particles having crosslinked structure are synthetic rubber particles and/or natural rubber particles with an average particle size of 20 to 500 nm and a gel content of 60% by weight or higher, and the uncrosslinked rubber is styrene-butadiene rubber, and wherein the weight ratio of the rubber particles having crosslinked structure to the uncrosslinked rubber is 1:99-20:80.

Abstract: A polyethylene composition comprising an ethylene/?-olefin copolymerized linear low density polyethylene, wherein the polyethylene composition has a Mw of from 100,000 g/mol to 200,000 g/mol, a Mw/Mn of from 4.0 to 9.0, a Mz/Mw of from 4.0 to 7.0, and a Mz+1/Mw of from 4.5 to 13.5, is provided. A film formed of the polyethylene composition is also provided.

Abstract: The present application relates to a rubber composition, preparation method and vulcanized rubber thereof. The rubber composition comprises uncrosslinked rubber and rubber particles having crosslinked structure dispersed therein, wherein the rubber particles having crosslinked structure are synthetic rubber particles and/or natural rubber particles, e.g.

Abstract: In accordance with the teachings of the present invention, a user-enclosed region extraction device allows users to store, in a digital format, only selected portions of a document image. The user can enclose any text or printed material within a user drawn mark. A connected component analyzer analyzes the document in a bitmap format which allows the device to detect potential user-enclosed regions regardless of the content of the document image. A bi-connected component module allows the user to enclose a region with a mark that can be of any shape. The user drawn enclosure can cross lines of text or graphics on the document paper. A detection analyses filter uses a number of heuristics to eliminate small characters and graphics that may resemble a user drawn mark. The user can save space on the computer storage medium by extracting the user-enclosed region from the document image using a extraction module.