Abstract: A method for selecting a grasp posture of a dual-arm robot includes: setting a fitness value range, an iteration quantity threshold, and a fitness function; calculating the fitness value of the population, determining whether the population is within the value range, ending an iteration if the population is within the value range or continuing to determine whether a quantity of iterations reaches the iteration quantity threshold if the population is not within the value range, ending the iteration if the quantity of iterations reaches the iteration quantity threshold or performing crossover and mutation operations if the quantity of iterations does not reach the iteration quantity threshold, and dynamically selecting a gene retention strategy based on an iteration depth and a fitness value to retain a gene; updating a gene population representing a grasping position and performing determining cyclically; and obtaining an optimal target corresponding to dual arms after the iteration.

Abstract: The present disclosure relates to photo-immunoconjugate formulations comprising a nanoparticle carrier comprising first and second therapeutic agents coupled to the nanoparticle carrier, and a photosensitizer molecule coupled to the first therapeutic agent or the nanoparticle carrier, and methods of treating cancer via administration of the photo-immunoconjugate formulations.

Abstract: A cam-driven wire mesh-type electrospinning apparatus and a use method therefor are provided. The cam-driven wire mesh-type electrospinning apparatus includes the following components: a high-voltage (HV) power supply unit, a wire mesh-type spinneret, a fiber receiving device, a cam unit, and a solution supply unit. The positions and connection relationships of all the components are as follows: any end of the wire mesh-type spinneret is connected to the HV power supply unit, and the other end of the wire mesh-type spinneret is connected to the cam unit; the wire mesh-type spinneret is installed on the solution supply unit; and the fiber receiving device is positioned right above the wire mesh-type spinneret. The cam-driven wire mesh-type electrospinning apparatus may induce a solution to be uniformly distributed on a wire mesh plane, and adjust the density of jet flow and the distribution position of the jet flow.

Abstract: A steel material is disclosed. The steel material includes components in the following mass percentages: 14% to 20% of nickel, 7.5% to 11% of cobalt, 4% to 7% of molybdenum, to 0.5% of rhenium and/or a rare earth element, less than or equal to 0.2% of manganese, less than or equal to 0.2% of silicon, less than or equal to 0.1% of carbon, less than or equal to of oxygen, iron, and inevitable impurities. The steel mechanical part is made of the steel material. The preparation method includes: mixing alloy powder and a binder to prepare feed particles; performing injection molding on the feed particles to obtain an injection green billet of the steel mechanical part; performing debinding and sintering on the injection green billet in sequence to obtain a sintered blank; and performing heat treatment on the sintered blank to obtain the steel mechanical part.

Abstract: The invention relates to the use of specific terminal deoxynucleotidyl transferase (TdT) enzymes in a method of nucleic acid synthesis, to methods of synthesizing nucleic acids, and to the use of kits comprising said enzymes in a method of nucleic acid synthesis. The invention also relates to the use of terminal deoxynucleotidyl transferases and 3?-blocked nucleotide triphosphates in a method of template independent nucleic acid synthesis.

Abstract: A posture stabilizing structure for a swimming pool sewage suction machine includes a base, a driving wheel assembly, a sealing box, a water pump assembly and a collecting box. The driving wheel assembly is connected to the base, the water pump assembly is arranged inside the base, the collecting box is arranged inside the base and communicated with the water pump assembly, and the sealing box is arranged on a middle part of a bottom of the base. The interior of the base is divided into an inner ring water distribution bin and an outer ring water distribution bin through the collecting box. A gas-liquid circulation hole is further defined in both a front end and a rear end of the bottom of the base and communicated with the outer ring water distribution bin.

Abstract: Disclosed in embodiments of the present invention are a subtitle editing method and apparatus, and an electronic device. A specific embodiment of the method comprises: displaying a video playing area and a subtitle editing area, wherein the video playing area is used for playing a target video, and the subtitle editing area is used for editing candidate subtitles corresponding to the target video; and jointly displaying a video frame currently displayed in the video playing area and subtitles displayed in the subtitle editing area. Thus, a novel subtitle editing mode is provided.

Abstract: The invention relates to the use of polyphosphate containing species in a method of nucleic acid synthesis, to methods of nucleic acid synthesis, and to the use of kits comprising said polyphosphate containing species. The invention also relates to the use of polyphosphate containing species for the capping of 3?-terminal hydroxyl moieties using terminal transferases.

Abstract: The invention relates to methods of synthesizing polymers, biopolymers, and nucleic acids, to immobilised dNTP/NTPs and kits comprising said immobilised dNTP/NTPs for use in said methods of nucleic acid synthesis.

Abstract: The invention relates to methods of synthesizing polymers, biopolymers, and nucleic acids, to immobilised dNTP/NTPs and kits comprising said immobilised dNTP/NTPs for use in said methods of nucleic acid synthesis.

Abstract: A recombinant vector containing the immunogenic protein of African swine fever virus, a recombinant bacterium and use thereof, and relates to the technical field of gene recombination. The recombinant vector can be used to construct a recombinant Lactobacillus expressing the immunogenic protein of African swine fever virus, and after mixing the Lactobacillus solution that can secrete protein p72 and protein p54, respectively, an oral live bacterial preparation for preventing African swine fever can be prepared. The oral live bacteria preparation prepared by the disclosure can safely, effectively and quickly prevent the infection of African swine fever virus to pigs, and does not contain an immune process.

Abstract: The invention relates to the use of specific terminal deoxynucleotidyl transferase (TdT) enzymes in a method of nucleic acid synthesis, to methods of synthesizing nucleic acids, and to the use of kits comprising said enzymes in a method of nucleic acid synthesis. The invention also relates to the use of terminal deoxynucleotidyl transferases and 3?-blocked nucleotide triphosphates in a method of template independent nucleic acid synthesis.

Abstract: The invention relates to the use of specific terminal deoxynucleotidyl transferase (TdT) enzymes in a method of nucleic acid synthesis, to methods of synthesizing nucleic acids, and to the use of kits comprising said enzymes in a method of nucleic acid synthesis. The invention also relates to the use of terminal deoxynucleotidyl transferases and 3?-blocked nucleotide triphosphates in a method of template independent nucleic acid synthesis.

Abstract: Provided is a non-aqueous electrolyte for a lithium ion battery, comprising one or more compounds A represented by structure 1, wherein R1 is independently selected from a halogen atom or a group containing 1-5 carbon atoms, and R2 is independently selected from a group containing 0-5 carbon atoms; X1 is independently selected from a phosphorus oxygen group or a phosphorus atom; X2 is independently selected from an oxygen atom, a carboxylate group, a sulfonate group or a carbonate group. The non-aqueous electrolyte can improve the high-temperature cycle performance of the battery and reduce the impedance. The lithium ion battery prepared with the non-aqueous electrolyte possesses good high-temperature resistant properties and good cycle performance, which can effectively avoid the instability of the lithium ion battery under high temperature conditions and improve the high and low temperature cycle performance of the lithium ion battery.

Abstract: The invention relates to a method of nucleic acid synthesis comprising the use of 3?-O-azidomethyl blocked nucleotide triphosphates which comprises the step of adding a capping group to any uncleaved 3?-O-azidomethyl groups and to the use of kits comprising said capping groups in a method of nucleic acid synthesis. The invention also relates to capped nucleotide triphosphates and 3?-O-azidomethyl capping groups.

Abstract: The invention relates to the use of a modified terminal transferase enzyme in a method of adding one or more nucleotides to the 3? end of a nucleic acid. The invention also relates to methods of nucleic acid synthesis and sequencing comprising the use of said modified terminal transferase enzyme, to kits comprising said modified terminal transferase enzyme and to the use of said kits in methods of nucleic acid synthesis and sequencing.

Abstract: A composition of a photocatalyst, a method of manufacturing the photocatalyst, and a method of chemically reducing carbon dioxide to carbon monoxide using the photocatalyst under visible-light irradiation is provided. The photocatalyst comprises a transition metal ion and graphitic carbon nitride and includes single metal sites on carbon nitride. Under visible light, the metal sites that are coordinated to nitrogen atoms get activated, without the use of additional ligands, to catalyze the reduction of carbon dioxide to selectively produce carbon monoxide. The photocatalytic reduction of carbon dioxide to carbon monoxide is highly efficient, resulting a turnover number of more than 800 for carbon monoxide production in 2 hours. The composition is useful in converting carbon dioxide into useful chemicals and carbon-based fuels. A functional model of molecular catalysts for efficient carbon dioxide reduction is also present.

Abstract: The invention relates to the use of specific terminal deoxynucleotidyl transferase (TdT) enzymes in a method of nucleic acid synthesis, to methods of synthesizing nucleic acids, and to the use of kits comprising said enzymes in a method of nucleic acid synthesis. The invention also relates to the use of terminal deoxynucleotidyl transferases and 3?-blocked nucleotide triphosphates in a method of template independent nucleic acid synthesis.

Abstract: The invention relates to the use of polyphosphate containing species in a method of nucleic acid synthesis, to methods of nucleic acid synthesis, and to the use of kits comprising said polyphosphate containing species. The invention also relates to the use of polyphosphate containing species for the capping of 3?-terminal hydroxyl moieties using terminal transferases.