8results about How to "Strong expansion ability" patented technology

The invention discloses a formula of blood-nourishing and tendon-nourishing pills, which is prepared from the following components in parts by weight: 7 to 9 parts of radix angelicae sinensis, 13 to 17 parts of caulis spatholobi, 30 to 35 parts of wine-fried radix polygoni multiflori, 13 to 17 parts of radix paeoniae rubra, 13 to 17 parts of radix dipsaci and 13 to 17 parts of herba taxilli. The modified dietary fiber and hydroxymethyl cellulose are added into the formula of the blood-nourishing and tendon-nourishing pill, so that the disintegration property and the acting effect on a patient of the blood-nourishing and tendon-nourishing pill are effectively improved, the sugar content of the blood-nourishing and tendon-nourishing pill is also reduced, and the excessive influence of the blood-nourishing and tendon-nourishing pill on the blood sugar of the patient is avoided.

The invention relates to the technical field of immune cell preparation, and particularly discloses an NK cell culture medium, an NK cell and a culture method and application of the NK cell. The NK cell culture medium comprises cell factors IL2, IL21 and TGF beta; the system further comprises IL4. The NK cell obtaining method comprises the step of contacting cells with the culture medium. The NK cells obtained by the invention have relatively high cell proliferation ability, and the proliferation ability, motility and in-vivo effectiveness of the cells after cryopreservation recovery are high.

The invention discloses a differentiated charging blasting method capable of efficiently utilizing energy. The method comprises the steps that a center blasting hole, a slotting hole, an auxiliary slotting hole, an auxiliary slotting guide hole, an auxiliary hole, a peripheral hole and a peripheral guide hole are sequentially formed in a working face; preparing explosives with different detonation velocities and different detonation volumes; the explosives with different detonation velocities and different detonation volumes are correspondingly loaded into different blast holes respectively; blocking the blast hole with stemming; and performing millisecond detonation, controlling a blasting time sequence, and optimizing a propagation path and action time of blasting waves. According to the differentiated charging blasting method capable of efficiently utilizing the energy, explosives with different dynamic and static effects are filled for different blast holes, and the effects of accurately and efficiently utilizing the dynamic and static energy of the explosives, improving the blasting effect and reducing blasting hazards are achieved by combining millisecond blasting.

The invention provides a BCDMH (bromochlorohydantoin) treatment agent for black and odorous water treatment, and relates to the technical field of water ecological environmental protection, BCDMH is prepared into a granular preparation, the specific gravity of particles is larger than that of water, the BCDMH is prepared into the granular preparation, and the granular preparation is uniformly thrown into the black and odorous water. After entering water, the bromochlorohydantoin granular preparation is quickly dispersed to form wettable powder, the bottom is aerated at the same time, oxidation of bromochlorohydantoin is promoted, and generated hypobromous acid and hypochlorous acid are used for killing sludge microorganisms; the bromochlorohydantoin treatment agent has extremely high pollution removal capacity, black and odorous bottom mud is converted into brown yellow after treatment, and the method is an in-situ and in-situ treatment method and is suitable for treatment of rural black and odorous water bodies. According to the present invention, the raw materials are respectively crushed, such that the adsorption capacity of the crushed bentonite and the crushed attapulgite is significantly improved according to the solid adsorption theory, and the specific surface area of the bromochlorohydantoin powder and the 5, 5-dimethylhydantoin is increased so as to improve the sterilization and disinfection effect.

The invention relates to the technical field of batteries, discloses a graphene slurry for a lead-acid battery, and further provides a preparation method of the graphene slurry for the lead-acid battery, and the graphene slurry contains graphene, black gold stomach sheets, nitrate, nitrite and silicic acid. According to the technical scheme, the problems that graphene is difficult to add in the manufacturing process of the graphene battery and the graphene is not uniformly distributed in the active substance of the negative plate can be effectively solved, so that the effects of light weight and convenient addition can be achieved, the charging efficiency of the lead-acid battery can be effectively improved, the cost is reduced, and the service life of the battery is prolonged; the environmental pollution is reduced.

The invention belongs to the technical field of bioengineering, and particularly discloses a CAR-T cell with an improved preparation process as well as a preparation method and application of the CAR-T cell. The preparation method of the CAR-T cell comprises the step of stimulating T cells by using three monoclonal antibodies CD3, CD28 and ICOS to obtain the CAR-T cell (defined as a CAR-TICOS cell) with stronger functions. The invention relates to an application of CAR-TICOS cells in preparation of antitumor drugs. The invention provides the preparation method of the CAR-TICOS cells, the method endows T cells with higher lentiviral transfection efficiency, the prepared CAR-TICOS cells have stronger in-vivo and in-vitro amplification ability and better in-vivo anti-tumor ability, the survival rate of an affected body can be greatly improved, and the survival rate of the affected body can be expected to be improved to 100% under certain conditions at present.

The invention belongs to the field of flame retardant technology, and specifically relates to a graphite-based flame retardant, a graphite-based flame retardant finishing liquid, and a preparation method and application thereof. The preparation method of the graphite-based flame retardant finishing liquid is as follows: firstly prepare a reaction system a containing expandable graphite, dopamine hydrochloride, hydrogen peroxide and a solvent and having a pH value of more than 7, and then react at 70-80°C for 1-2h; then add glucose to the reaction system a to obtain a reaction system b, and then react at 80-90°C to obtain a graphite-based flame retardant finishing liquid; the graphite-based flame retardant finishing liquid can be purified to obtain a graphite-based flame retardant; the application is to use the graphite-based flame retardant finishing liquid and nylon 6 fabric to react at 80-90°C, and obtain a halogen-free and phosphorus-free flame-retardant nylon 6 fabric through post-treatment. The halogen-free and phosphorus-free flame-retardant nylon 6 fabric prepared by the invention has a good flame retardant effect, and still has a good flame retardant effect after 20 water washings.