Abstract: Disclosed are transaminase mutants and use thereof. The amino acid sequence of the transaminase mutant is obtained by the mutation of the amino acid sequence as shown in SEQ ID NO: 1, and the mutation at least comprises one of the following mutation sites: the 19-th site, the 41-th site, the 43-th site, the 72-th site, the 76-th site, the 92-th site, the 107-th site, the 125-th site, the 132-th site, the 226-th site, the 292-th site, the 295-th site, the 308-th site, and the 332-th site; and the 19-th site is mutated into a serine, the 41-th site is mutated into a serine, the 43-th site is mutated into an asparagine, a glycine in the 72-th site is mutated into a leucine, etc.; or the amino acid sequence of the transaminase mutant has the mutation sites in the mutanted amino acid sequence, and has more than 80% homology to the mutanted amino acid sequence.

Abstract: The invention relates to an optimal selection method of gene chip probes for cancer screening. The method is characterized in that the gene chip probes capable of being used for cancer screening are obtained through three stages of constructing a point mutation site (SNV) group, constructing a candidate probe group and verifying and confirming probes on the basis of nucleic acid data of a confirmed case of a selected cancer.

Abstract: Resource allocation method and apparatus, user equipment, network device, and medium are disclosed. The resource allocation method is applied to user equipment, and the resource allocation method includes: receiving configuration information, where the configuration information includes indication information whether a physical uplink shared channel PUSCH with an interlaced structure is used or not; and determining, according to the indication information whether a PUSCH with an interlaced structure is used or not, a resource allocation type for a PUSCH scheduled by DCI format 0_0 or a quantity X of bits included in frequency domain resource assignment indication information in the DCI format 0_0, where the resource allocation type includes an uplink resource allocation type 1 or a resource allocation type for interlaced structures, and X is a positive integer.

Abstract: A method for stabilizing rice bran with complex enzyme involving enzymatic hydrolysis combined with thermal processing to stabilize rice bran, includes compounding at least one of glycosyl hydrolases such as cellulase, hemicellulase and alpha amylase into a complex enzyme solution, and performing enzymatic hydrolysis on the rice bran with the complex enzyme solution, and after enzymatic hydrolysis, performing thermal processing and inactivating enzyme treatment on rice bran using the moist-heat method, microwave method and/or extrusion expansion method, to prepare the stabilized rice bran. From the perspective of reducing bound lipase from rice bran, the glycosyl hydrolase is used to catalyze conversion of bound lipase in rice bran into free lipase, thereby effectively improving inactivation efficiency of rice bran lipase. The rice bran prepared using the method has characteristics of low residual activity of lipase and long shelf life, and may be directly applied to industries such as food and cosmetics.

Abstract: A voice identity feature extractor training method includes extracting a voice feature vector of training voice. The method may include determining a corresponding I-vector according to the voice feature vector of the training voice. The method may include adjusting a weight of a neural network model by using the I-vector as a first target output of the neural network model, to obtain a first neural network model. The method may include obtaining a voice feature vector of target detecting voice and determining an output result of the first neural network model for the voice feature vector of the target detecting voice. The method may include determining an I-vector latent variable. The method may include estimating a posterior mean of the I-vector latent variable, and adjusting a weight of the first neural network model using the posterior mean as a second target output, to obtain a voice identity feature extractor.

Abstract: An information transmission method, an information receiving method, a terminal, and a network side device are provided. The information transmission method is applied to a terminal, and includes: in a case that there is resource overlap between a first object having a first priority and a second object having a second priority, canceling transmission of the second object and transmitting the first object according to whether the first object and the second object have corresponding downlink control information DCI, the first object including a first physical channel or a first signal, the second object including a second physical channel or a second signal, the first priority being higher than the second priority.

Abstract: A method for transmitting uplink control information includes: multiplexing independently coded UCI onto a PUSCH according to a target size to send the independently coded UCI, where the target size is determined according to an actual size of the independently coded UCI.

Abstract: The present disclosure relates to an electronic device, a method, a medium, and a program for switching parental control modes. The electronic device includes: a memory having an instruction stored thereon; and a processor configured to execute the instruction stored on the memory to cause the electronic device to carry out the following operations: determining which control mode of a plurality of control modes a first terminal device connected to the electronic device should be in, the plurality of control modes including a first parental control mode set with a first parental control profile, a second parental control mode set with a second parental control profile, and a common mode set with a common profile; and enabling the determined control mode by applying the profile of the determined control mode to the first terminal device.

Abstract: This application provides an uplink transmission method and a terminal. The uplink transmission method includes: determining, based on at least one of the following, a terminal behavior pattern: configuration information of the terminal, received downlink control information, whether a serving cell in which first information is located is a licensed band, and whether a serving cell in which a first uplink transmission is located is a licensed band; and performing an uplink transmission based on the terminal behavior pattern.

Abstract: Some embodiments of the present disclosure provide a method and an apparatus for forming a differential beam, a method and an apparatus for processing a signal, and a chip. The method for forming a differential beam includes: obtaining a differential beam forming signal according to an input signal acquired by two microphones in a microphone array (101); and performing a nonlinear adjustment on at least an amplitude of the differential beam forming signal based on a distance between the two microphones and a signal frequency of the input signal to obtain the adjusted differential beam forming signal (102). With the above solution, a constant beam characteristic of the differential beam forming signal can be ensured as much as possible for microphone arrays of different specifications.

Abstract: Disclosed in the present invention are a preparation method for a graphene oxide fiber, and fiber obtained thereby. A polyelectrolyte is prepared into a spinning stock solution by means of a wet spinning method, graphene oxide is added in a coagulation tank to serve as a coagulation bath, the spinning stock solution is injected into the coagulation bath, a diffusion reaction is carried out, and winding, washing and drying are carried out to obtain the graphene oxide fiber; the preparation method has the advantages that equipment is simple, the costs are low, the spinnability is good, and the method is suitable for large-scale production; moreover, the prepared fiber has multiple layers of fiber walls; the fiber has good tensile strength and a super-high specific surface area and is widely applied to the fields of catalysis, adsorption, flexible sensors, thermal preservation and insulation materials and tissue engineering.

Abstract: An ion beam etching system includes an etching cavity, an etching electrode, and an electrode displacement apparatus used for enabling the electrode to change a working position in the etching cavity. The electrode displacement apparatus includes a dynamic sealing mechanism, a dynamic electrode balance counterweight mechanism, an electrode displacement transmission mechanism, and an electrode displacement driving mechanism. The etching cavity includes a cavity and a cavity cover connected with the cavity. The cavity is of an irregular shape. The cavity includes a partial cylindrical body, a side plate, a tapered transition portion, and a bottom plate. The partial cylindrical body is laterally sealed by means of the side plate. The bottom plate is connected to an end of the partial cylindrical body by means of the tapered transition portion and seals the end of the partial cylindrical body.

Abstract: A measurement configuration method, a terminal and a base station are provided. The measurement configuration method includes: receiving a first measurement configuration and a second measurement configuration, wherein the first measurement configuration includes information of a frequency of a first communication system and the second measurement configuration includes information of a frequency of a second communication system; receiving a configured measurement gap configuration.

Abstract: A catalyst for preparing light olefin using direct conversion of syngas is a composite catalyst and formed by compounding component I and component II in a mechanical mixing mode. The active ingredient of component I is a metal oxide; and the component II is one or more than one of zeolite of CHA and AEI structures or metal modified CHA and/or AEI zeolite. A weight ratio of the active ingredients in the component I to the component II is 0.1-20. The reaction process has high product yield and selectivity, wherein the sum of the selectivity of the propylene and butylene reaches 40-75%; and the sum of the selectivity of light olefin comprising ethylene, propylene and butylene can reach 50-90%. Meanwhile, the selectivity of a methane side product is less than 15%.

Abstract: Disclosed are propylene-based articles which can provide desired glossy surface including an impact copolymer substrate and a propylene-based elastomer body part overmolding, and a method of making such articles.

Abstract: The invention provides compositions and methods for treating diseases associated with expression of CD19, e.g., by administering a recombinant T cell comprising the CD19 CAR as described herein, in combination with one or more B-cell inhibitors, e.g., inhibitors of one or more of CD10, CD20, CD22, CD34, CD123, FLT-3, ROR1, CD79b, CD179b, or CD79a. The disclosure additionally features novel antigen binding domains and CAR molecules directed to CD20 and CD22, and uses, e.g., as monotherapies or in combination therapies. The invention also provides kits and compositions described herein.

Abstract: The present disclosure provide a blind detection method, a signal transmission method, relevant devices and a system. The method includes: receiving a target signal transmitted from a network device; and based on the target signal, performing blind detection on PDCCH or maintaining a sleep state when detecting the PDCCH.

Abstract: A physical uplink control channel (PUCCH) transmission method, a user equipment (UE), and a network device are disclosed. The PUCCH transmission method includes: determining a target uplink serving cell in a plurality of uplink serving cells respectively configured with PUCCH resources, where the target uplink serving cell is one of the plurality of uplink serving cells; and sending a PUCCH on the target uplink serving cell.

Abstract: Embodiments of the present disclosure relate to the field of communications technologies, and disclose an information processing method, a device, and a computer-readable storage medium to resolve a problem of low resource utilization. The method includes: in a case that a PUCCH transmission format based on an interlace structure is scheduled for a terminal device, determining, based on a characteristic parameter of UCI to be fed back, a transmission parameter for transmitting a PUCCH. The embodiments of the present disclosure can improve resource utilization.

Abstract: The present specification provides a method for identifying risky vertices, including: constructing multiple medium networks, each of the multiple medium networks being constructed from one or more black seeds of the same type and including vertices and media connected to the vertices; determining a first risk value of each vertex based on a quantity of upper-layer media connected to the vertex and a quantity of risk conditions that the vertex meets; determining a final risk value of each vertex based on a quantity of overlapping times of the vertex in a stacked medium network structure and the first risk value; and determining a high-risk vertex based on the final risk value.