106results about How to "Strong industrial applicability" patented technology

The invention discloses a method for preparing a carbon-coated MnO coaxial nanowire cathode material for lithium ion batteries. The method includes: using polyethylene glycol and potassium permanganate to prepare hydroxyl manganese oxide nanowires, heating the hydroxyl manganese oxide nanowires at 550-650 DEG C for 3-10h, naturally cooling to the room temperature to obtain porous manganese sesquioxide nanowires, feeding mixed gas of acetylene and argon or nitrogen to the porous manganese sesquioxide nanowires at 500-600 DEG C, and cooling to obtain the carbon-coated MnO coaxial nanowire cathode material for lithium ion batteries. The carbon-coated MnO coaxial nanowire cathode material for lithium ion batteries is uniform in carbon layer thickness, stable in structure, simple in preparation method and high in industrial applicability, cycling stability, specific capacity and magnification performance of the cathode material for the lithium ion batteries can be improved, and accordingly energy density and power density are improved.

The invention discloses a phosphate microcapsule flame retardant and a preparation method and application thereof. A phosphate flame retardant is adopted as a core material of the phosphate microcapsule flame retardant. A capsule material is a polyphosphazene dendritic polymer obtained through reaction of one or more of phosphonitrile and a coupling agent. The mass ratio of the capsule material to the core material is 0.1:1-1:1. According to the preparation method, a dispersing agent is utilized for uniformly dispersing the phosphate flame retardant into solvent; then one or more of phosphonitrile and the coupling agent are added under a mechanical stirring state and under an ultrasonic state, an acid-binding agent is added, the mechanical stirring reaction is carried out for 2-10 h, and a product is cooled to room temperature, filtered in a vacuum mode, and dried in a vacuum mode to obtain the phosphate microcapsule flame retardant. The phosphate microcapsule flame retardant is provided with a non-polar surface, and interfacial compatibility of the flame retardant in a non-polar polymer matrix can be improved; meanwhile, a certain toughening effect is achieved; the particle size of microcapsules is controllable, flame retardant performance and a mechanical property of a composite material can be improved, the whole technology process is convenient and controllable, and industrial applicability is high.

The invention discloses a method for manufacturing a semiconductor structure. The method comprises the following steps of: providing a p-type field effect transistor, wherein the transistor comprises a grid on a substrate; forming a tensile stress layer on the transistor; patterning the tensile stress layer, so that a pressure stress is generated in the channel of the transistor; and annealing to memorize the pressure stress in the channel of the transistor and fulfill the purpose of enhancing the performance of the transistor. According to the method, the pressure stress in the channel of the transistor is memorized by using a stress memory technology, so that the mobility of holes is improved and the integral performance of the semiconductor structure is improved.

The invention discloses a preparation method of a TiAlSi/TiAlSiN multilayer alternating coating with high abrasion resistance, and relates to a preparation method of a TiAlSiN coating. The technical problem of poor abrasion resistance of existing TiAlSiN coating is solved. The preparation method of the TiAlSi/TiAlSiN multilayer alternating coating adopts a TiAlSi alloy cathode target, coating compositions are changed by changing introduced nitrogen gas, thus, the multilayer alternating coating is prepared, and the coating industry applicability is improved. Due to the low hardness of TiAlSi alloy and the high hardness of a TiAlSiN coating, the soft and hard alternating coating prepared through the method can relieve the coating stress, the plastic toughness of the coating is improved, theabrasion resistance of the coating is improved, and the method has great significance for prolonging the service life of the tool coating.

The invention discloses a mutant of CE (cellobiose 2-epimerase) and an application of the mutant, and belongs to the technical field of enzyme engineering. The CE derived from thermophilic anaerobic bacteria Dictyoglomusthermophilum is subjected to directed evolution, the obtained mutant can still have the performance of converting lactose into lactulose, the enzyme activity and the substrate conversion rate are remarkably increased, and under the condition of the same enzyme adding amount, the lactulose conversion rate can reach 58.2% at most and is increased by 35.35% compared with that of a wild type lactulose mutant. Good industrial application performance is realized.