34results about How to "Flexible and easy to control" patented technology

The invention relates to a method for protein-mediated synthesis and modification of cerium nanomaterials. Firstly, a certain concentration of serum protein and cerium nitrate are mixed to form a precursor solution of cerium nanomaterials, which are nucleated and grown under alkaline conditions of potassium hydroxide solution. By further adjusting the reaction temperature and time, on the one hand, cerium nanoclusters, cerium nanoparticles and cerium nanochain materials are controllably obtained, and all have good uniformity, dispersion and stability. The nanomaterials and their surfaces were characterized and analyzed. On the other hand, the BSA or HSA modified on the surface of the corresponding cerium nanomaterials has excellent biocompatibility, and has a large number of functional groups available for modification, such as carboxyl, amino etc., and other functional molecules can be further grafted and modified, laying the foundation for its further application in vivo. The invention reflects green economy, flexible and easy-to-control regulation mode, and strong repeatability.

The invention discloses a radiation air conditioning control system, a control method and a storage medium; wherein, the control system includes: a radiation air conditioning system control board, a fresh air fan control board, a thermostat assembly, a gateway device, and an indoor central control panel; wherein, Take the radiant air conditioning system control board as the main node, connect the thermostat components, and the fresh air fan control board to form a local control network for the radiant air conditioner; take the gateway device as the main node, connect the radiant air conditioning system control board and the indoor central control panel respectively, Form a radiant air conditioner intelligent control network; the radiant air conditioner local control network and the radiant air conditioner intelligent control network are independent of each other. In the present invention, the local control network of the radiant air conditioner and the intelligent control network of the radiant air conditioner are independent of each other and do not affect each other. If the control terminal of either party fails, it will not affect the operation of the other control network, and will not affect the basic operation of the radiant air conditioner system. operation, and the control system of the present invention can also realize the intelligent control of the radiation air conditioning system.

The invention provides a pipe bending die. The pipe bending die includes an upper die and a lower die, wherein the upper die comprises an upper template, an elastic limiting push rod, an upper die oscillating rod and an upper die bending block, and the lower die comprises a lower template, a lower die seat, a pipe bending wheel and a lower die oscillating arm. The invention further provides a bent pipe pressing method. Through the pipe bending die and the bent pipe pressing method, a bent pipe with small deformation can be efficiently obtained by bending; a pipe of which the bending angles at the two ends have the requirements of obverse bending and then reverse bending can be compressed by two working procedures by means of cooperation of up-and-down swing of the lower die oscillating arm with the upper die bending block.

The invention relates to a system and method for intelligent alarm by using a communication network. The system includes a user control center, a network control center and an information control terminal that can communicate with the communication network. The network control center includes a data receiving and sending unit of the network control center, a network data processing unit, and a network user data storage unit; The data receiving and sending unit of the control center, the user data processing unit, the user data storage unit and the information transceiving unit; the information control terminal includes at least one sensor. The method includes 1. setting user information; 2. fortifying or disarming; 3. alarm monitoring; 4. alarm or event processing. The invention solves the disadvantages of poor safety performance, poor expandability and high cost of the existing alarm system, and has the advantages of safety, reliability, good expandability, convenient installation, low cost, flexible and convenient use and control methods, and active control of dangerous situations.

The invention relates to a multi-motor synchronous control system in a CT machine, which includes: at least two DC motors installed on both sides of a scanning bed; a main control unit for sending PWM modulation codes; a synchronous processing unit for synchronous control. The present invention also relates to a synchronous control method for multiple motors in a CT machine, which uses at least two DC motors to drive the lifting motion of the scanning bed and performs synchronous control, which can compensate for the inconsistency of the mechanical installation and the motion characteristics of each motor. The extension length of the two push rods is inconsistent; it uses at least two DC motors to push the tilting movement of the rack and simultaneously controls it synchronously, which can compensate for the extension of the two push rods caused by the inconsistency of the mechanical installation and the motion characteristics of each motor. inconsistent length. The synchronous control system and method of the present invention control the synchronous movement of the dual motors of the scanning bed and the frame in the CT machine, so that the scanning bed and the frame can accurately stop during the movement process, thereby prolonging the service life of the product.

The invention relates to a novel diagnosis and treatment integrated hybridization micelle and a preparation method thereof. The hybridization micelle is a compound micelle which is self-assembled of two segmented copolymers through a dewatering effect. During preparation, the central nucleus of the compound micelle self-assembled of the two segmented copolymers through the dewatering effect is composed of an amphiphilic polymer hydrophobic chain segment and a hydrophobic medicine, a shell layer is a polymer hydrophilic chain segment, and special groups on the chain segment are used for generating magnetic nanoparticles on the shell layer in situ by a chemical coprecipitation method. Compared with the prior art, the preparation method has the advantages of being mild in preparation conditions and being simple, convenient and easy to carry out. The prepared micelle is stable in structure, has very good biocompatibility and biodegradability and can rapidly release medicine in a tumor environment, thus having the diagnosis-treatment integrated application potentiality.

The invention relates to a cascade combined type dehumidification system which comprises a fresh air handling unit arranged on the mechanical floor of a building or on a roof and unit dehumidifiers disposed in a scattered manner in rooms of various users on various floors. The fresh air handling unit is used for the centralized processing of fresh air and the primary dehumidification of the fresh air, and provides the fresh air for the various users through a fresh air vertical shaft of the building. The unit dehumidifiers are used for depth dehumidification of air in the rooms of the various users. The cascade combined type dehumidification system has the advantages of being simple in structure, flexible in control, low in cost and high in energy efficiency ratio. The cascade combined type dehumidification system is applied to an apartment building, an office building or a commercial building, by means of controlling the fresh air handling unit and the unit dehumidifiers correspondingly, the aim of cascade dehumidification of the fresh air and room air can be achieved, in addition, the installed capacity of the fresh air handling unit can be reduced, the reversibility of thermodynamic systems of the fresh air handling unit and the unit dehumidifiers is improved, and therefore the aim of energy conservation is achieved.

The invention discloses a remote control device and method of an air conditioner. The remote control device of the air conditioner comprises a collection module, a recognition module and a control module; the collection module is used for collecting user gestures to obtain a first gesture signal; the recognition module which is connected with the collection module is used for determining an air conditioner control command corresponding to the first gesture signal; the control module which is connected with the recognition module is used for controlling the air conditioner according to the control command. According to the remote control device and method of the air conditioner, a user can control the air conditioner through the gestures and accordingly the remote control mode of the air conditioner can be flexible and convenient.

The invention relates to a method for synthesizing modified cerium nanometer quantum dots under mediation of hyaluronic acid and a product and application thereof. The method comprises the following specific steps: dissolving hyaluronic acid by adding water, then adding trivalent cerium salt, reacting for 0.5-1h under a magnetic stirring condition to synthesize a precursor, then adding an alkalinesolution into a reaction system, performing a nucleating and curing reaction, and purifying to remove unreacted inorganic ions and the unreacted hyaluronic acid to obtain the hyaluronic acid-coated cerium nanometer quantum dots. By the method, the reaction is environmentally friendly and economical, the regulative way is flexible and easy to control, and the repeatability is strong; the obtainedquantum dots are uniform in shape and size and good in dispersibility and stability; the HA for modifying the surfaces of the cerium nanometer quantum dots has excellent biocompatibility and a large amount of carboxyl functional groups for modifying, so that the HA can further modify other functional molecules in a grafting manner, and a foundation is laid for further in-vivo application of the cerium nanometer quantum dots.