111results about How to "Realize controllable adjustment" patented technology

The invention discloses a display panel, a display device and a view angle control method of the display panel. The display panel comprises an array substrate, a color film substrate and a liquid crystal layer, wherein the array substrate and the color film substrate are arranged oppositely, and the liquid crystal layer is located between the array substrate and the color film substrate. A plurality of strip-shaped control electrodes are arranged at one side, adjacent to the liquid crystal layer, of the color film substrate. A common electrode and a pixel electrode are arranged on the array substrate. Orthographic projections, on the array substrate, of the strip-shaped control electrodes are located in an orthographic projection, on the array substrate, of the common electrode or the pixel electrode. The strip-shaped control electrodes are used for exerting bias voltage to adjust the view angle of the display panel. The display device comprises a drive chip and the display panel. The drive chip is used for displaying drive. The controllable adjustment of the view angle of the display panel can be achieved by means of the display panel and the display device.

The invention relates to an electrospinning direct-writing closed-loop control system and a control method, which relate to electrospinning direct writing equipment. The invention provides the electrospinning direct-writing closed-loop control system which is capable of realizing the controllable adjustment of the electrospinning direct-writing nano fibre diameter and improves the jet injection stability of spinning and the uniformity of nano fibre diameter and the control method of the electrospinning direct-writing closed-loop control system. The system comprises a liquid storage tank, a liquid feeder, a spinning nozzle, a collecting plate, a weak current detector, a temperature sensor, a humidity sensor, a data collector, a control computer, a direct current high voltage power supply and an adjustable frame. The system establishes a fuzzy controller to obtain the jet injection state by detecting the spinning current, adjusts the applied voltage and the flow rate of the feeding liquid according to the change of the spinning current so as to avoid the influence of various interference factors and realize long time stable jet of the spinning jet flow. The set current of the fuzzy controller is adjusted to control the electrospinning direct-writing nano fibre diameter. The electrospinning direct-writing closed-loop control system is beneficial to improving the controllability of the electrospinning direct-writing nano fibre diameter and well promoting the industrialized application of the electrospinning direct-writing technology.

The invention discloses a perovskite photoelectric device, which comprises a substrate, electrode layers and a function layer. One electrode layer is arranged on the surface of the substrate; the function layer is arranged between the electrode layers; and the function layer at least comprises a perovskite layer, wherein the perovskite layer is a perovskite material having a self-assembled multiple-quantum-well structure. By adjusting material components, controllable adjustment of width of multiple quantum wells and effective energy transfer between the multiple quantum wells can be realized; emitting color can be near ultraviolet, visible light and near infrared light; and the problems of discontinuity and poor stability of an existing perovskite material thin film can be solved effectively. The perovskite photoelectric device is simple in process and low in cost, and is suitable for being widely applied to industrial production of large-area, low-cost, flexible substrate and high-performance devices. The invention also discloses the perovskite material, which can be used for photoluminescence, electroluminescence, photovoltaic and thin film transistor devices.

The invention provides an in-situ treatment system of black and odorous water and a method of using the system to treat black and odorous water. The in-situ treatment system of black and odorous watercomprises a pretreatment zone, an in-situ treatment zone and a separation zone; a certain section of a river channel is modified, more deflections are added to water flows, the water has longer stayin a unit zone, and the land around is scarcely used; in-situ restoration is mainly dependent on a biological method assisted by physicochemical methods, and the quality of the black and odorous wateris finally improved. In the method, the in-situ restoration of the black and odorous water is confined in a smaller area so that the concentration of microbes in the water of this area is increased,reflow can be achieved, contaminants in the water gain full time to degrade, treatment cost is lowered, and treatment is fast, efficient and free of secondary contamination.

The invention discloses a fluorescent block-grafted copolymer with temperature sensitivity and a preparation method and application thereof. According to the fluorescent block-grafted copolymer and the preparation method and application of the fluorescent-block-grafted copolymer, an acrylate monomer containing a fluorophore is copolymerized with methacrylic glyceride through atom transfer radical polymerization to introduce an azide group to an epoxy group on the side chain, and then, a polymer with temperature response is grafted to the copolymer through clicking chemical reaction so as to form the block-grafted copolymer; and the reaction conditions are mild, and the conversion rate is high. The fluorescent block-grafted copolymer and the preparation method and application of the fluorescent block-grafted copolymer have the advantages that the polymer with temperature response is initiatively polymerized with the side chain of the copolymer with a fluorescence effect through grafting, so that the macromolecular polymer not only has fluorescent characteristics, but also the temperature response, side chain length and hydrophilicity strength of the macromolecular polymer can be controlled through adjusting the length of hydrophilic side chains and grafting efficiency, and the controllable adjustment is realized; and the structure of the copolymer is provided with hydrophilic chain segments, so that not only can kernel fluorescent chromophores be protected, but also the chromophores can be gathered together, thereby improving fluorescence response sensitivity.

The invention provides a submerged plant modularized growth bed and a method for recovering growth of underwater submerged plants. The submerged plant modularized growth bed comprises suspended solids, planting layers, plant layers, a growth substrate layer, a bearing layer and balance weight facilities, the submerged plant modularized growth beds are mutually connected to form an entire piece, micropores are formed in the bearing layer so that roots of the plants can penetrate through, the growth substrate layer adopts planting soil, the periphery of the planting layer is fixedly connected with the periphery of the bearing layer, the planting layers and the bearing layer wrap the growth substrate layer, the suspended solids are fixedly arranged around the submerged plant modularized growth bed, each suspended solid is hollow and is filled with air, and the balance weights are fixedly arranged at the lower end portion of the suspended solids to keep the depth of the modularized growth bed suspending on the water surface. The submerged plant modularized growth bed is reasonable in design, compact in structure, simple to manufacture, low in cost, simple to operate and convenient to manage, and the submerged plant modularized growth bed is degraded along with the growth of the underwater submerged plants, is free of pollution, protects the environment, is wide in application range, is widely popularized conveniently, and is favorable for recovery of the underwater submerged plants in different water areas.

The invention relates to a bimetal organic framework material adsorbent applied to methane / nitrogen separation and a preparation method thereof. The bimetal organic framework material adsorbent is a compound with super-molecular porous network structure, wherein the compound is formed by coordinating two metal ions with an organic ligand HCOOH under the action of an adjusting agent; at least one of the two metal ions is Ni(II); the coordination conditions of different metals are controlled by adjusting complexation of Ni(II) to obtain several bimetal organic framework materials with different metal ratios. The prepared adsorbent has rich micro-porous structures; the purpose of adjusting pore properties microscopically is achieved; the NH4 / N2 separation effect is excellent; the material is simple to prepare and low in cost, and is extremely applicable to development and recycling of low-quality methane separated under low pressure.

The invention discloses a composite film for a flow energy storage battery and an application of the composite film in the flow energy storage battery. The composite film disclosed herein is characterized by using one or more than two of organic polymer resin or sulfonated polymer resin as raw material to prepare a porous film as a matrix, and successively alternately self-assembling cationic polymer resin and anion polymer resin layer by layer on the surface of the matrix by static electricity to form the composite film. The composite film disclosed herein has the advantages of simple preparation method, environmentally friendly process, controllable number of assembling layers, and adjustable ionic selectivity. Compared with original porous films, the composite film disclosed herein has good hydrophilicity and vanadium ion blocking ability, and an all vanadium flow energy storage battery assembled by using the composite film has higher efficiency and longer self-discharge time.

The invention provides a cermet material based on a TiCN-(Ti,M)CN core mixed structure. The cermet material comprises a black core-bright inner ring-grey outer ring structure, a grey core-bright inner ring-grey outer ring structure, a bright core structure and Co or / and Ni adhesive phases, wherein in the black core-bright inner ring-grey outer ring structure, a black core is formed by TiCN; a bright inner ring and a grey outer ring are formed by (Ti,M)CN solid solutions; in the grey core-bright inner ring-grey outer ring structure, a grey core, a bright inner ring and a grey outer ring are formed by (Ti,M)CN solid solutions; the bright core structure is formed by a Co solid solution for dissolving M or / and a Ni solid solution for dissolving M; the M contents of the solid solutions for forming a bright core are more than the M content of the solid solution for forming the bright inner ring; the M content of the solid solution for forming the bright inner ring is more than the M content of the solid solution for forming the grey outer ring; and the M content of the solid solution for forming the grey outer ring is more than the M content of the solid solution for forming the grey core. The invention also provides a preparation method of the material. The toughness and hardness of the cermet material based on the TiCN-(Ti,M)CN core mixed structure are simultaneously improved.

The invention belongs to the field of optical fiber technology research, and particularly relates to a pair of single-optical-fiber optical tweezers with transversely adjustable capture positions. The single-optical-fiber optical tweezers with the transversely adjustable capture positions comprise an ordinary standard single-mode optical fiber for communication, an optical fiber light source and a mode rotating device, wherein a tail fiber of the optical fiber light source is in staggered connection with the single-mode optical fiber; an LP11 mode optical beam is excited out in a fiber core of the single-mode optical fiber; after the other end of the single-mode optical fiber is connected with the mode rotating device, the tail end is prepared into an inclined conical tip, and the cone angle of an inclined space is alpha; and the distribution direction of profile light spots of the LP11 mode light beam is rotated through the mode rotating device, so an emergent light field formed by the LP11 mode light beam converged through the inclined optical fiber conical tip rotates along with the rotation of the distribution direction. The single-optical-fiber optical tweezers have the advantages that the new functions of the optical-fiber optical tweezer technology used in extreme working environment are expanded; the single-optical-fiber optical tweezers can realize the controllable adjustment on microparticle capturing transverse positions, and can be widely applied in the field of biomedical research.

The invention provides a zinc oxide micro-nano array and a preparation method thereof. The method includes steps that firstly, water solution containing Zn(NO3)26H2O and (CH2)6N4 is prepared; secondly, a substrate is prepared, metal zinc is arranged on the surface of a silicon wafer by means of thermal evaporation while oxygen is fed, a zinc oxide film is formed by means of reaction, or a zinc oxide film is formed by means of evaporation by a magnetic sputtering method, after the substrate is cooled, photoresist is sprayed on the film, local electron beam lithography is carried out on the photoresist, and a channel array is obtained; and thirdly, the substrate prepared in the second step is soaked in precursor solution prepared in the first step for 1 hour to 12 hours, and then is taken out and dried by nitrogen after being cleaned, and a zinc oxide array is formed. By controlling reaction conditions, controllable regulation of the diameter of a single zinc oxide line on a zinc oxide nano harness aggregate can be realized.

The invention relates to a method for actively controlling dynamic poise of a blade of a wind power generator. The method is characterized in that a liquid flowing pipeline is made up of liquid storing boxes arranged at the point of an inner cavity of the blade and the middle part of an impeller boss and a pipeline and a pump connected with the liquid storing boxes at the two positions, or a liquid storing box arranged at the point of the inner cavity of the blade and the pipeline and the pump arranged on the middle part of the impeller boss; the vibration of a bearing support of the impeller boss and the detection of a phase position are realized by a dynamic poise detection controller which is arranged on the same wind power generator, can detect the vibration of the bearing support of the impeller boss of the wind power generator and controls the operation the corresponding pump according to the degree of the vibration and the phase control, the size and the direction of an unbalanced force are calculated; meanwhile, liquid inside each liquid storing box at the point of the blade is distributed by controlling the corresponding pump to ensure that all blades of the wind power generator are in a dynamic poise working state, thereby ensuring that the blade of the wind power generator in a non-dynamic poise state achieves the dynamic poise and providing the technical support for the normal and safe operation of the wind power generator.

The invention belongs to the field of preparation of nanofiltration membranes, and particularly relates to a click-chemistry-synthesized amphiphilic polymer brush carbon nanotube / PVDF (polyvinylidene fluoride) nanofiltration membrane and a preparation method thereof. The method comprises the following steps: synthesizing a novel macromolecule initiator capable of performing click chemistry reaction and initiating azido reaction, grafting the clickable macromolecule initiator onto the surface of the single-wall carbon nanotubes by click chemistry reaction, selecting an appropriate hydrophilic modifier monomer, and preparing amphiphilic polymer brush carbon nanotubes; carrying out blending, extrusion and casting on the click-chemistry-synthesized amphiphilic polymer brush carbon nanotubes and PVDF according to a certain proportion, wherein a biaxial orientation technique is adjusted to control the biaxial orientation temperature and speed and adjust the pore size of the microporous membrane; and compounding and coating a nano-pore-size ultrathin thin layer on the obtained microporous membrane, thereby obtaining the amphiphilic polymer brush carbon nanotube / PVDF nanofiltration membrane.

The invention discloses an effective organization and adjustment scheme for realizing cell series based on dual-fiber optical tweezers. A photoetching substrate which is manufactured delicately and an operation depth limit are not required, so that potential sample pollution is avoided, and the operation and control range and the catching flexibility are enhanced effectively. Moreover, the position of the fiber optical tweezers is adjusted accurately, so that accurate operation and control of the cell series, including adjustment of the cell action distance, change of a cell connection sequence and the like can be realized.

The invention provides a metal oxide / HTS-1 titanium silicalite molecular sieve catalyst and a preparation method and application thereof. Transition metal element and rare-earth metal element co-dopedHTS-1 titanium silicalite molecular sieves are selected, and acidic sites of the catalyst can be effectively regulated and controlled through selecting different metal elements, controlling a ratio among the metal elements and reaction conditions; due to the doping of rare-earth elements, acidic sites of the prepared metal oxide / HTS-1 titanium silicalite molecular sieve catalyst can be more uniform in distribution; metal oxides are loaded to an HTS-1 carrier in the form of spinel, and the catalyst is endowed with the advantages of good catalytic activity and long service life due to a synergistic effect between the spinel structures and acidic sites of the HTS-1 titanium silicalite molecular sieves and a synergistic effect among three kinds of metal oxides.

The invention belongs to the technical field of electronic communications of radars, and particularly relates to a cloud measuring radar. The radar comprises a main frame body, a first antenna housing and a second antenna housing, wherein the main frame body comprises a bottom sectional-material frame and a skin; the first antenna housing and the second antenna housing both form sealing fit with the top end surface of the main frame body; a receiving antenna and a left sectional-material frame are held in a housing cavity of the first antenna housing; a monitoring component and a receiver are arranged on a horizontal transverse baffle plate at the left sectional-material frame; a signal processing component and a fan are arranged at the top end surface of the main frame body just under the horizontal transverse baffle plate; a transmitting antenna and a right sectional-material frame are held in a housing cavity of the second antenna housing; a transmitter is arranged on a horizontal supporting plate at the right sectional-material frame; a power supply component is arranged at the top end surface of the main frame body just under the horizontal supporting plate. The cloud measuring radar has the advantages of being concise and portable in structure, convenient and quick to maintain, short in making period and low in cost; the batch production can be realized.

The invention relates to an M50-based bearing self-lubricating material and a preparation method thereof. The self-lubricating material mainly takes aviation main shaft bearing material M50 steel as abase material, Sn-Ag-Cu as a lubricating phase, and carbon nanotubes (CNTs) as a reinforcing phase, array micropores are distributed in the surface of the M50 steel, and the surface micropores are filled with Sn-Ag-Cu / CNTs to achieve the lubricating function. The preparation method comprises the following steps that the surface micropores of the M50 steel are prepared by adopting an ultra-preciseelectric spark micropore electro-machining technology; then, Sn-Ag-Cu spherical powder containing the CNTs is prepared through a vacuum atomization method; and finally, the Sn-Ag-Cu / CNTs spherical powder is directly infiltrated and formed in the surface micropores of the M50 steel through a high-temperature and high-pressure infiltration technology, and the M50-based bearing self-lubricating material is obtained. The M50-based bearing self-lubricating material has excellent antifriction and wear-resisting properties, the tribological property of an M50 steel material can be effectively improved, the preparation method is simple and convenient, and the preparation process is easy to control.

The invention discloses a novel deformable robot. The novel deformable robot comprises a chassis and a plurality of deformable wheel leg parts arranged on the chassis. Each deformable wheel leg part comprises a deformation wheel mechanism and a deformation control mechanism; the deformation wheel mechanism comprises an outer spoke, an inner spoke, three wheel components and three connecting components, wherein the three wheel components are evenly distributed around the outer spoke and the inner spoke, and the three connecting components are sequentially hinged between the adjacent wheel components; the deformation control mechanism comprises a driving motor, a transmission shaft, a synchronous clutch and a deformation clutch; the transmission shaft is connected between an output shaft ofthe driving motor and the outer spoke; the synchronous clutch is used for making the output shaft of the driving motor be connected with or separated from the inner spoke; and the deformation clutch is used for making the inner spoke be connected with or separated from a robot rack. The deformable wheel legs of the robot can deform actively, a deformable wheel structure in any deformation state can be kept, and obstacle crossing efficiency of the mobile robot and adaptability to unstructured terrains are improved.

The invention discloses a method for preparing nitrogen-enriched functional gradient metal ceramic by a low pressure nitriding method. The metal ceramic prepared by the method is Ti(C, N)-based metal ceramic which takes Ti(C, N) and / or TiC and TiN as a main hard phase and metals in the iron group such as Co and / or Ni and the like as a bonding phase. The method disclosed by the invention comprises the steps of filling a metal ceramic sintering body in a vacuum integrated furnace; in a vacuum sintering state, heating to a predetermined nitriding temperature at a heating speed being 3-7 DEG C / min, wherein the predetermined nitriding temperature is 1200-1400 DEG C; when the furnace temperature reaches the predetermined nitriding temperature, nitriding by adopting a nitrogen partial pressure sintering process, controlling the partial pressure at 2000-6000Pa, preserving the heat for 2-6 hours, and cooling in a nitrogen atmosphere to obtain the surface nitrogen-enriched functional gradient metal ceramic. The method disclosed by the invention has the characteristics of less investment, low production cost and high efficiency, and is easy to realize industrialized conversion.

An application of a molecular sieve composite porous membrane in a lithium-sulfur battery is disclosed. The molecular sieve composite porous membrane is a composite porous membrane formed by adoptinga porous membrane prepared from one or more than two types of organic polymer resin as a matrix, and by compositing inorganic molecular sieve layers on the two side surfaces of the matrix. The molecular sieve composite porous membrane has high electrolyte absorbing capability and storage capability in the lithium-sulfur battery, and facilitates lithium ion transfer. The pore diameter of molecularsieve layers of the composite membrane can be controlled to be a size between a polysulfide size and a lithium ion size, and therefore the shuttle effect of polysulfide is effectively inhibited underthe premise of not influencing lithium ion conductivity, loss of active compounds is reduced, and the battery efficiency and stability are improved. In addition, the molecular sieve layers of the composite membrane have good thermal conductance, can inhibit generation of negative electrode lithium sheet dendritic crystals, and prevent battery short circuits because a separating membrane is piercedby the dendritic crystals in a battery using process.

The invention provides an adjustable damping combined vibration isolator for forging and pressing equipment. The adjustable damping combined vibration isolator comprises an upper base plate, a lower base plate, a vibration isolation element, a frictional damper and a guide piece, wherein the vibration isolation element and the guide piece are arranged between the upper base plate and the lower base plate, and the frictional damper comprises a frictional plate, a slip baffle plate, a frictional baffle plate and a tension device; the frictional baffle plate and the slip baffle plate are connected through the tension device, an interval is formed between the frictional baffle plate and the slip baffle plate, and the frictional plate is inserted in the interval along the guide direction of the guide piece; and at least one of the frictional baffle plate and the slip baffle plate can slip crosswise, and the slip direction is vertical to the motion direction of the frictional plate. The vibration isolator has a characteristic that the rigidity gradually becomes softer along with the increase of loading, the friction damper is rich and adjustable, the machine body vibration of a high-speed press can be isolated effectively, and the machine body vibration is preferably prevented from being transmitted to the ambient environment. In addition, the vibration isolator has a simple structure, and is easy to adjust.

The invention relates to a polylactic acid graft modified natural fiber and PLA composite material and a preparation method thereof. The method comprises the following steps of: mixing functional natural fiber, functional polylactic acid and a solvent, adding an initiator, and carrying out click chemical reaction. The method can effectively improve a two-phase interface, is simple and feasible, and is suitable for industrial production; the prepared natural fiber / polylactic acid composite material and the composite fiber have more excellent breaking strength, impact strength and heat resistance.

The invention provides a method for manufacturing an active area of an indium arsenide / indium phosphide quantum dot laser. The method comprises the following steps of: step 1, selecting an indium phosphide substrate; step 2, epitaxially growing an indium phosphide buffering layer on the indium phosphide substrate; step 3, depositing a lattice matched indium-gallium-arsenic-phosphorus thin layer on the indium phosphide buffering layer; step 4, epitaxially growing a multi-periodical indium arsenide quantum dot active layer; and step 5, depositing an indium-gallium-arsenic-phosphorus cover layeron the indium arsenide quantum dot active layer. According to the method provided by the invention, the purposes of keeping good optical properties and tuning the light-emitting wavelength are achieved by changing a five-group protection source flow to restrain an As / P exchange effect, controlling the appearance of a quantum dot and combining a two-step cover layer growth process in a growth pause interval of an indium arsenide / indium phosphide quantum dot. The method provided by the invention can be used for controllably adjusting the InAs / InP quantum dot light-emitting wave in a range of 1.3-1.7 microns (num) to 400 nm.

The invention discloses an NMP recovery system and a lithium battery coating system. The NMP recovery system comprises a coating machine drying oven, an NMP adsorption system and a plurality of cyclicrecovery systems, wherein the coating machine drying oven comprises a plurality of exhaust fans and a plurality of return fans, each cyclic recovery system comprises a heat exchanger and a condensation recovery device, an exhaust outlet is connected with a high-temperature medium inlet of the heat exchanger through an exhaust pipe, and a high-temperature medium outlet of the heat exchanger is connected with a first inlet of the condensation recovery device through a condensation pipe. An air inlet of the NMP adsorption system is connected with a first outlet of each condensation recovery device through an NMP air pipe; a second outlet of the condensation recovery device is connected with a low-temperature medium inlet of the heat exchanger through a first air return pipe, and a low-temperature medium outlet of the heat exchanger is connected with the air return opening through a second air return pipe. According to the technical scheme, controllable adjustment can be achieved so as tomeet the recovery requirements of various circulating air volumes (especially the ultra-large circulating air volume), and heat losses can be effectively reduced.

The invention relates to a disinfection device and a disinfection cabinet employing the disinfection device. The disinfection device comprises an ultrasonic lamp tube, a surface plate, a connecting rod, a driving part, a first gear, a gear ring, a second gear and a clutch mechanism. Due to the adoption of the connecting rod, the driving part, the first gear, the gear ring, the second gear and theclutch mechanism, the ultrasonic lamp tube is rotationally arranged on the surface plate, when being operated, the ultrasonic lamp tube is driven by the connecting rod to revolute around a first end of the connecting rod, meanwhile, the ultrasonic lamp tube is rotated along with the first gear, in addition, when the first gear is meshed with the gear ring and the second gear respectively, the first gear is in opposite revolution directions, then the revolution direction of the ultrasonic lamp tube can be changed on the basis that the rotation direction of a motor is not changed, ultraviolet rays emitted from the ultrasonic lamp tube can be sufficiently scattered, the ultraviolet rays are uniformly distributed in the disinfection cabinet, and a good disinfection effect can be achieved for the components to be disinfected in different positions; by adopting the disinfection device provided by the invention, controllable adjustment on a double-ultraviolet lamp tube disinfection range andultraviolet ray uniformity can be achieved, and the disinfection effect can be improved.

The invention discloses a precise load current generator of a lithium battery. The generator comprises a lithium battery unit of current-constant charging and discharging, a data collection unit, a control execution unit, a microprocessor control unit and a PC data collection and analysis unit, wherein the lithium battery unit is connected with the data collection unit, the data collection unit is connected with the microprocessor control unit, the microprocessor control unit is connected with the lithium battery unit and the data collection unit via the control execution unit, and the microprocessor control unit is connected with the PC data collection and analysis unit via a communication interface. The controlled load current collection unit uses a single-chip microcomputer to convert a given current signal into a given voltage signals and further to realize controllable adjustment of the load current, the load current is collected by collecting the resistance voltage drop of a diverter, and the load current can be collected highly precisely via a load resistor. The discharging and charging current of the lithium battery can be tested precisely and controlled in a programmable manner.

The invention discloses a modular cultivation method for heavy metal hyper-accumulating plants. The method comprises the steps of module box preparation, seedling raising preparation, seedling raising, transplanting, management after transplanting, harvesting and the like. According to the method, the plants are cultivated in a modular mode, controllable regulation is achieved, not only is the planting density evener, but also the labor costs are greatly reduced in industrialized and modular conveying and other operation from seedling raising to transplanting, the growth of the plants is continuous and good, the quantity of absorbed heavy metals is relatively high, the capability is relatively high, and in particular, the root-layer grass-free comprehensive effect is very obvious.

The invention relates to a pulse width adjustable laser. A diode-pumped acousto-optic Q-switched solid-state laser can be used for performing terminal pumping or side pumping on a solid-state laser working material, or performing proper terminal pumping and side pumping on the solid-state laser working material in a properly-combined manner; it can be ensured that the laser works under substantially the same thermal effect; and therefore, the pulse width controllability of laser pulses can be realized.

The invention relates to the technical field of medicines, and discloses a dual-targeting delivery chemotherapeutic drug nanosystem, and a preparation method and an antitumor enhancement application. The drug carrier of the dual-targeting delivery chemotherapeutic drug nanosystem adopts temperature-sensitive poly(N-isopropylacrylamide) as a core and positively charged polyethyleneimine as a shell; the loaded chemotherapeutic drug is 5-fluorouracil; and the drug carrier is connected with an anti-Her-1 antibody through maleimide-polyethylene glycol-succinimide acetate. An experiment result of the dual-targeting delivery chemotherapeutic drug nanosystem shows that the dual-targeting delivery chemotherapeutic drug nanosystem has good biocompatibility, and compared with free drugs, the dual-targeting delivery chemotherapeutic drug nanosystem has the advantages of enhancement of enrichment of drugs in tumor positions, enhancement of the antitumor effect and great reduction of the toxic and side effects of chemotherapeutic drugs through an EPR effect, temperature sensitivity and antibody multiple targeting.