30results about How to "Complex structure" patented technology

The utility model provides a hydraulic system of a sugarcane pile cutting machine. The hydraulic system comprises a sugarcane pile cutting machine body, a walking hydraulic system, a working device hydraulic system and an auxiliary device hydraulic system. The sugarcane pile cutting machine body comprises a front conveying part, a rear conveying part, a material box, a supporting and falling device, a header, a root cutting device, a supporting and falling device oil cylinder, a hopper lifting oil cylinder and a material door opening and closing oil cylinder. The hydraulic system of the sugarcane pile cutting machine can stably and efficiently complete the functions of walking, harvesting and the like of the sugarcane machine, is mature and stable, is sensitive in action response, can efficiently complete action control and sugarcane harvesting, adopts semi-rigid connection in front and back conveying, does not need to additionally add a synchronizing device, and is simple in structure and convenient to operate. The sugarcane pile cutting machine can slide relatively to prevent parts from being damaged during overload, one-key unloading of the material box can be achieved, operation steps are reduced, time is saved, and the sugarcane pile cutting machine is multiple in working parts, complex in structure and movement, stable, reliable, good in economical efficiency and high in efficiency.

The invention discloses a preparation method of a pyridino-isoquinoline-2-ketone derivative, which comprises the following steps: under the protection of nitrogen, putting 1-aryl-3, 3-difluorocyclohexene, brominated N-(2-phenyl-2-oxo) ethyl isoquinolinium, alkali and a solvent into a reactor, reacting at 60 DEG C for a period of time, and then adding tert-butyl hydroperoxide to continue reacting; and after the reaction is finished, reducing pressure to remove the solvent, and carrying out column chromatography separation to obtain a pure product of the pyridino isoquinoline-2-ketone derivative. Initial raw materials are cheap, easy to obtain and wide in source, and products are complex and diversified in structure. The process flow is simple, and operation is simple and safe. Double bonds conjugated with two carbonyl groups in the target product can be further subjected to functionalization reaction, so that the target product can be conveniently subjected to diversified structural modification.

The invention discloses a novel compound 2-fluoropyridino-isoquinoline derivative as well as a preparation method and application thereof. The structural formula of the novel compound 2-fluoropyridino-isoquinoline derivative is as follows: # imgabs0 #, wherein Ar1 is phenyl, Ar2 is 3-chlorphenyl or Ar1 is 4-fluorophenyl, and Ar2 is phenyl; the preparation method comprises the following steps: reacting 1-aryl-3, 3-difluorocyclohexene, brominated N-(2-aryl-2-oxo) ethyl isoquinolinium, alkali and a solvent under the protection of nitrogen at the temperature of 60 DEG C; and after the reaction is finished, reducing pressure to remove the solvent, and performing column chromatography separation to obtain a pure product of the 2-fluoropyridinoisoquinoline derivative. The 2-fluoropyridinoisoquinoline derivative disclosed by the invention has better activity of inhibiting the growth of tumor cells, and has important guiding significance and application prospects for finding novel and efficient antitumor drugs.

The invention relates to the technical field of road engineering materials, and particularly discloses a composite phase change heat storage asphalt pavement material and a preparation method thereof. The composite phase change heat storage asphalt pavement material comprises the following raw materials in parts by weight: 55-80 parts of asphalt macadam and 8-12 parts of a composite phase change heat storage material, the composite phase change heat storage material comprises polyethylene glycol and modified silicon dioxide aerogel; in addition, the preparation method disclosed by the invention has the advantage of improving the durability and mechanical property of the asphalt pavement.

Compared with the prior art, the invention has the advantages that (E)-butyl-1, 3-diene-1-benzene reacts with a tetrayne compound in a solvent under the action of cesium carbonate, the preparation method is simple and efficient, the high-yield bicyclo-terpenoids can be obtained by controlling the reaction temperature, and the method is suitable for industrial production. And the structure is more complex and diversified. And the preparation method is mild, simple and green. The bicyclic terpenoids have high absorbance in ethanol at 320nm, which shows that the substance has good absorbance and can be well used for preparation of optical materials.

To provide an operation input device capable of improving operability of a playing operation with a simple structure. An operation input device 5 used for an electronic musical instrument includes: a casing 50 having a plurality of elongated holes 500 arranged such that long sides thereof have a prescribed interval therebetween; a plurality of operating pieces 51 respectively inserted in the plurality of elongated holes 500 and held by the casing 50 in a state in which distal-end side wall surfaces 510 thereof protrude from the casing 50; an elastic support member 52 having a front surface 520 that supports proximal-end side wall surfaces 511 and a back surface 521 on which a plurality of projections 523 are provided in positions corresponding to the proximal-end side wall surfaces 511; a plurality of pressure-sensitive electroconductive members 53 respectively pressed by the plurality of projections 523 to be elastically deformed; a substrate 54 having a plurality of electrode patterns respectively contacting the plurality of pressure-sensitive electroconductive members 53; and a spacer member 55 disposed between the elastic support member 53 (53→52) and the substrate 54 and having a plurality of openings 550 arranged so as to avoid the plurality of respective projections 523.

The utility model relates to an optical communication technology, concretely is a kind of optical branching filter multi-channel insertion loss test system, including light source module, optical switch module, polarization control module, reflection module, light splitting module, multi-channel power meter;The system function degree of integration is high, structure is complex, but can simultaneously realize the test of insertion loss and return loss, need not respectively use different equipment to test, simultaneously avoid to carry out winding treatment after through software processing etc. Complex action, reduce the input cost of test equipment, also simplify test procedure simultaneously, improve test efficiency.The system can provide friendly man-machine interface, facilitate to set test parameter, start test and view result.Satisfy data storage and data query integration, can generate data report according to customer requirement by setting condition, satisfy scale production and high quality detection.

The invention relates to the technical field of medical preparations, in particular to moisturizing and repairing type artificial tear as well as a preparation method and application thereof. Comprising the following steps: preparing effective components including high-molecular-weight polydeoxyribonucleotide and hyaluronic acid or a salt thereof into a homogeneous-phase stable composite solution, sterilizing, filtering, and aseptically packaging, the artificial tear formed by selecting high-molecular-weight polydeoxyribonucleotide and high-molecular-weight sodium hyaluronate as effective components has a relatively good repairing effect on tissues, can form long-term moisturizing and lubrication on ocular surfaces, is suitable for treating xerophthalmia, repairing cornea, relieving inflammatory response and the like, and has a good application prospect. Important market values and clinical application prospects are realized.

The present invention discloses a belt-transmission angle attachment head, including a housing, a power mechanism, a transmission mechanism and a spindle; the power mechanism and transmission mechanism are arranged in the housing; the power mechanism includes a servo motor and a reducer, the servo motor is connected to the reducer, and an input shaft of the reducer is vertically arranged with respect to an output shaft of the reducer; the transmission mechanism includes a driving wheel, a transmission belt and a driven wheel, and the driving wheel is mounted on the output shaft of the reducer; a side of the spindle is mounted on the housing via a rotating shaft, an end of the rotating shaft away from the spindle is mounted with the driven wheel, the driving wheel and the driven wheel are connected via the transmission belt, and the spindle and the power mechanism are located on the same side of the transmission mechanism. The angle attachment head has advantages such as small size, simple structure and suitable for deep cavity machining.

The application belongs to the field of stem cell biology and relates to a culture method of a 3D nerve immune organoid containing microglia cells, which comprises the following steps: S1, inducing induced pluripotent stem cells in ectoderm direction and mesoderm direction respectively to obtain nerve-like embryoid bodies and yolk sac-like embryoid bodies; S2, culturing the nerve-like embryoid bodies to make them differentiate into nerves to obtain nerve ring structures, re-digesting the nerve ring structures to obtain nerve progenitor cell single cells, and culturing the yolk sac-like embryoid bodies to make them generate macrophage progenitor cells; and S3, fusing the nerve progenitor cell single cells and the macrophage progenitor cells and continuing to culture to form the 3D nerve immune organoid containing microglia cells. The brain-like organoid of the application can realize the following functions: exploring the control of microglia cells on the proportion of progenitor cells in the development stage, the change of phagocytosis, the control on the number of mature neurons, the influence on cell proliferation and apoptosis, and simultaneously accepting external stimulation and making corresponding functional stress changes.

The utility model discloses a fire vehicle -mounted electric rubber dinghy platform relates to fire equipment field, including bottom plate, electric capstan and manual capstan, and the bottom plate top one side is hinged with the storage platform through the rotating shaft, and the bottom plate, electric capstan and manual capstan are all installed at the top of the external fire engine, and the bottom plate includes bottom plate main part, and one side fixed connection of bottom plate main part has hydraulic rod, and hydraulic rod is equipped with two groups and is fixed at one side of bottom plate main part, and electric capstan includes capstan main part, and this platform can utilize the bundle rope and fix electric rubber dinghy on the storage platform surface, when using, can manually rotate and lift the storage platform, utilizes electric capstan to spread the storage platform, and the unfolded storage platform is contacted with the ground, and the fireman is convenient to take down electric rubber dinghy and uses, and the whole operation process is fast and efficient, can all -round improve the efficiency, safety and adaptability of water area rescue action, better guards the life and property safety of the people.

The invention provides a flexible magnetic tactile sensor and a preparation method thereof. The method comprises the following steps: constructing a matrix structure of a target sensor; wherein the base body structure comprises a flexible substrate and an elastic body arranged on the flexible substrate; obtaining a flexible material and a mixed material of the flexible material and a magnetic material; wherein the flexible material is used for forming a flexible substrate, and the mixed material is used for forming the elastomer; placing a flexible material in a binder jet printing device, and printing to form the flexible substrate; taking out a flexible material, placing the mixed material in the binder jet printing equipment, and printing the elastomer on a flexible substrate to form the matrix structure; carrying out magnetizing treatment on the matrix structure to form a three-dimensional detection layer; and packaging the three-dimensional detection layer and the detection chip to form the flexible magnetic tactile sensor. The sensitivity of the sensor can be improved, the preparation process is simplified, and the production efficiency is improved.

The disclosure an electric charging port and electric vehicle, and relates to the technical field of charging devices. The electric charging port includes: a charging port box, a rotation shaft and a sealed box. The charging port box includes two bottom surfaces, multiple side surfaces and at least two charging sockets, and the two charging sockets are located on different side surfaces. The rotation shaft is respectively fixedly connected with the two bottom surfaces. The charging port box is located in the sealed box, and the charging port box is rotatably connected with the sealed box through the rotation shaft. A charging opening is arranged on a side of the sealed box, and a sealing ring is arranged at the charging opening. The charging port of the disclosure is small in size, light in weight, low in cost, simple in structure, good in rigidity and compatibility.

A mobile object includes: a first braking / driving torque application unit (30R) that applies first braking / driving torque to a right driving wheel (22R); a second braking / driving torque application unit (30L) that applies second braking / driving torque to a left driving wheel (22L); a right driven wheel (21R) and a left driven wheel (21L) each of which is constituted of a caster wheel; and a control unit (40) that controls the first braking / driving torque application unit and the second braking / driving torque application unit. Moreover, the control unit is configured to perform turning, advancing / reversing and braking of the mobile object by controlling the first braking / driving torque and the second braking / driving torque or by controlling rotational speed of the right driving wheel and rotational speed of the left driving wheel.

The present invention discloses a belt-transmission angle attachment head, including a housing, a power mechanism, a transmission mechanism and a spindle; the power mechanism and transmission mechanism are arranged in the housing; the power mechanism includes a servo motor and a reducer, the servo motor is connected to the reducer, and an input shaft of the reducer is vertically arranged with respect to an output shaft of the reducer; the transmission mechanism includes a driving wheel, a transmission belt and a driven wheel, and the driving wheel is mounted on the output shaft of the reducer; a side of the spindle is mounted on the housing via a rotating shaft, an end of the rotating shaft away from the spindle is mounted with the driven wheel, the driving wheel and the driven wheel are connected via the transmission belt, and the spindle and the power mechanism are located on the same side of the transmission mechanism. The angle attachment head has advantages such as small size, simple structure and suitable for deep cavity machining.

The invention provides a 3D printing precursor conversion ceramic superstructure for a novel aircraft and a preparation method, and belongs to the technical field of superstructure ceramic material additive manufacturing. The method comprises the following steps: firstly, designing a superstructure model through modeling software, and slicing the model by utilizing slicing software; then preparing a precursor resin solution with a photocuring characteristic; the preparation method comprises the following steps: preparing a superstructure, performing photocuring printing on the superstructure by using a 3D printer, cleaning the cured precursor superstructure, and performing pyrolysis on the printed superstructure to obtain the 3D printing precursor conversion ceramic superstructure. The precursor conversion ceramic honeycomb superstructure and the precursor conversion ceramic dot matrix superstructure prepared by the invention have high mechanical strength, good thermal stability and excellent wave transmission performance, and have great application value in aerospace.

The utility model relates to the technical field of roadbed structures, in particular to a retaining wall type roadbed structure without a bridgehead conical slope. According to the technical scheme, the retaining wall type roadbed structure without the bridgehead conical slope comprises limiting plates, retaining walls, a soil foundation and a mold, the retaining walls are arranged on the two sides of the soil foundation, the limiting plates are installed on the retaining walls, the mold is laid on the portion, between the retaining walls, of the soil foundation through the limiting plates, and the limiting plates are arranged on the limiting plates. And a lime soil layer, a lime cement stabilized macadam soil layer and a cement concrete layer are sequentially filled in the mold. According to the utility model, the strength, the light weight, the flexibility and the construction controllability of the structure are fully considered, so that the structure has excellent engineering performance.

This application provides a medical ultrasonic scalpel, a medical ultrasonic scalpel system, and a robot-assisted ultrasonic scalpel system, belonging to the field of medical device technology. The medical ultrasonic scalpel includes a fluid flow sleeve and a scalpel shaft. The fluid flow sleeve includes a sleeve body and a first protrusion. The sleeve body has mounting cavities extending through opposite ends of the sleeve body. The first protrusion is located on the inner sidewall of the sleeve body. The scalpel shaft extends through the mounting cavity and is pivotally connected to the fluid flow sleeve. The scalpel shaft and the fluid flow sleeve are movable in the extension direction X. The outer sidewall of the scalpel shaft has a second protrusion. The first protrusion and the second protrusion cooperate such that when the fluid flow sleeve rotates in a first rotation direction, the first protrusion and the second protrusion are misaligned, allowing the fluid flow sleeve to move in the extension direction X. When the fluid flow sleeve rotates in a second rotation direction, the first protrusion and the second protrusion abut against each other, thereby driving the scalpel shaft to rotate in the second rotation direction, where the first rotation direction is opposite to the second rotation direction.

The invention discloses a method for preparing a naphthodiazepine indole derivative, which comprises the following steps: adding tri (dibenzylideneacetone) dipalladium (0)-chloroform adduct, bis (2-diphenylphosphinophenyl) ether and alkali into a reactor, adding a certain amount of solvent under the protection of argon, and stirring for a period of time; the preparation method comprises the following steps: dissolving N-(4-methylbenzenesulfonyl)-1-(2-indolyl)-2-naphthylamine and methyl (1-arylpropyl-2-alkyne-1-yl) carbonate in a certain amount of solvent, adding into a reactor, reacting at room temperature, and detecting that the reaction is complete by TLC (Thin Layer Chromatography). And after the reaction is finished, filtering, concentrating filtrate under reduced pressure, and performing column chromatography to obtain a pure product of the naphthodiazepine indole derivative. According to the technical scheme, the method has the characteristics of diversified substrate raw material sources, simple synthesis steps, mild reaction conditions, simplicity and convenience in operation, good reaction selectivity, complex and diversified target compound structures, and the like, and the product further contains olefin and amino functional groups for further structural modification.

The invention provides fatty acylation split-ring iridoid glycoside as well as a preparation method and application thereof, the fatty acylation split-ring iridoid glycoside comprises at least one of fatty acyl gentiopicroside, fatty acyl sweroside and fatty acyl swertiamarin, and the fatty acyl gentiopicroside is at least one of fatty acyl gentiopicroside, fatty acyl sweroside and fatty acyl swertiamarin. Wherein the fatty acyl gentiopicroside, the fatty acyl swertiamarin and the fatty acyl swertiamarin are respectively represented by a structural formula (I), a structural formula (II) and a structural formula (III), and a group R1, a group R2 and a group R3 are respectively and independently selected from alkyl or alkenyl with the carbon atom number of 5-21. The preparation method of the fatty acylation split-ring iridoid glycoside is also applied to preparation of a fatty acylation gentian plant extract. The fatty acylation split-ring iridoid glycoside and the fatty acylation gentian plant extract are used as raw materials to be applied to the field of medicine to play the roles of relieving, removing red, resisting inflammation, relieving itching, cleaning, emulsifying and resisting bacteria, and are also used as functional raw materials to be applied to the field of daily chemicals to play the roles of relieving, removing red, resisting inflammation, relieving itching, cleaning, emulsifying and resisting bacteria.

A data transmission method for an electronic device, an electronic device, and an interface circuit are provided. The method includes: after a peer device is inserted into a bidirectional interface, determining a device type of the peer device and a device type of the electronic device; and after it is determined that the device type of the electronic device is a sink device, sending multimedia data sent by the peer device to a display receiving processor of the electronic device through the bidirectional interface; or after it is determined that the device type of the electronic device is a source device, sending multimedia data generated by a display sending processor of the electronic device to the peer device through the bidirectional interface. The multiplexing of display sending and display receiving is implemented on one bidirectional interface, so that a structure is simpler and a probability of a misoperation by a user is reduced.

The invention belongs to the technical field of computer vision, and discloses an asymmetric double-branch DGB-D semantic segmentation method, which comprises the following steps of: 1, constructing an RGB (Red, Green, Blue) main branch in an encoder by using a convnext neural network; step 2, constructing a Depth secondary branch in the encoder by using a Segform converter; 3, fusing the double-branch feature maps by using a feature fusion method based on an attention mechanism, and updating a main branch; and step 4, the decoder obtains a final semantic segmentation result. According to the encoder, RGB branches are used as main branches, the network structure is more complex, and the parameters and the calculated amount are larger; the Depth branch is used as an auxiliary branch, so that the network structure is simpler, and the parameters and the calculation amount are smaller; and fusing the two branches by using an attention-based feature fusion algorithm, and updating the main branch according to a fusion result. And finally, realizing pixel-level semantic segmentation according to a result obtained by the MLP decoder.

The application discloses a kind of space three curved steel box girder model construction methods based on BIM technology, comprising: step 1, obtain the two-dimensional drawing data of bridge, generate route space curve;Step 2, according to the ellipse equation in two-dimensional drawing data, generate the corresponding semicircular arc part profile of roof, bottom plate, web plate and rib plate in bridge, and form parameterized profile family with corresponding straight line part profile;Step 3, with the obtained route space curve as reference, generate the corresponding steel box girder frame entity of bridge;Step 4, according to the diaphragm parameter of bridge section in two-dimensional drawing data, generate diaphragm entity;Step 5, with route space curve reference, the generated diaphragm entity is imported into steel box girder frame entity, and the corresponding three curved steel box girder model is output.The application further provides a kind of space three curved steel box girder model construction system.The method of the application can solve the technical problems of three curved steel box girder fine lofting and deepening design.

The invention discloses a connector, which is used for being plugged with a mating connector to form a connecting assembly, and comprises a shell provided with a guide rail; the power assisting rod is hinged to the shell, and the power assisting rod is provided with a driving face which is away from a matched connector in a rotating mode; one end of the transfer rod is provided with a connecting part, and the other end of the transfer rod is provided with a guide part which is in guide movement fit with the guide rail and a power part which abuts against the driving surface and can move relative to the driving surface; when the power assisting rod rotates, the driving face pushes the power part so that the switching rod can move in the direction away from the matched connector under the guiding of the guiding part and the guiding rail. The power assisting rod can be promoted to be more miniaturized and flattened, the transfer rod and the connecting part of the transfer rod are allowed to move in a more complex combined track, and the movement is more stable.

The present application discloses an apparatus and a device for sensing an analyte contained in liquid. The apparatus provided by the present application includes a liquid flow structure component and a sensing component. The liquid flow structure component includes: a measurement chamber configured to receive the analyte to be sensed, and wherein a sensible electrical signal is generated when the analyte to be sensed enters the measurement chamber along a first direction; an outlet chamber in fluid connection with the measurement chamber; and a nanochannel including a first opening connecting with the measurement chamber and a second opening connecting with the outlet chamber, so that the outlet chamber is in fluid connection with the measurement chamber, wherein a height difference between the first opening and the second opening of the nanochannel in the first direction is less than 20 µm. The sensing component is coupled to the measurement chamber to sense the electrical signal.

The invention provides hydrocarbylated split-ring iridoid glycoside and a preparation method and application thereof, the hydrocarbylated split-ring iridoid glycoside comprises at least one of hydrocarbylated gentiopicroside, hydrocarbylated sweroside and hydrocarbylated swertiamarin, and the hydrocarbylated split-ring iridoid glycoside comprises at least one of hydrocarbylated gentiopicroside, hydrocarbylated sweroside and hydrocarbylated swertiamarin. Wherein the hydrocarbylated gentiopicroside, the hydrocarbylated swertiamarin and the hydrocarbylated swertiamarin are respectively represented by a structural formula (I), a structural formula (II) and a structural formula (III), and R1, R2 and R3 are respectively and independently selected from alkyl or alkenyl with the carbon atom number of 6-22. The preparation method of the hydrocarbylated split-ring iridoid glycoside is also applied to preparation of a hydrocarbylated gentian plant extract. The hydrocarbylated secoiridoid glycoside and the hydrocarbylated gentian plant extract are applied to preparation of relieving, red-removing, anti-inflammatory, itching-relieving, cleaning, emulsifying and bacteriostatic medicines as raw materials, and are also applied to the field of daily chemicals as functional raw materials to play the roles of relieving, red-removing, anti-inflammatory, itching-relieving, cleaning, emulsifying and bacteriostatic.

This invention relates to the field of automotive parts technology, and discloses an automotive trim component with a transparent, seamlessly integrated lidar sensor and its manufacturing method. The trim component includes: a connected trim body, a mounting frame, and a lidar sensor. The trim body is disposed on the side of the mounting frame away from the lidar sensor and is connected to the mounting frame. The trim body includes a main body and a shielding coating covering the main body, with the shielding coating located on the side of the main body closer to the mounting frame. The main body is made of transparent plastic. The trim body has a lidar window area directly opposite the lidar sensor. A filter layer is provided along the lidar window area on the trim body. The filter layer allows light of a preset wavelength to pass through and filters light of other wavelengths. The advantages of this invention are that the automotive trim component is easy to manufacture, low in cost, and has a neat lidar window boundary.

The utility model provides an electronic equipment accessory which comprises an accessory body and a support, the support comprises a connecting piece, a supporting piece and an unlocking piece, and the supporting piece is connected with the accessory body through the connecting piece and can rotate relative to the accessory body; the unlocking piece is connected with the support or the accessory body and can move on the support or the accessory body. The unlocking piece comprises a first position and a second position and can move between the first position and the second position. When the unlocking piece is located at the first position, the supporting piece is attracted to the accessory body or the connecting piece through magnetic force. When the unlocking piece is located at the second position, the supporting piece is separated from the adsorption state and can rotate relative to the accessory body. Magnetic attraction is adopted to replace a mechanical structure in the prior art, so that the production and manufacturing process is greatly improved, the service life of a product is greatly prolonged, and the user experience is greatly improved.

The utility model discloses an assembled graphite product, including base, with the base of graphite block and the circular ring thin wall component of setting outside graphite block and with base intercalation, the circular ring thin wall component includes a plurality of arc blocks of intercalation, and two ends of arc block are equipped with first intercalation block, first intercalation groove. The graphite product provided by the new type has complex structure, and has certain mechanical strength, improves the application of graphite product.

This invention discloses a structurally variable coupled chaotic system and its applications, belonging to the field of information security technology. The coupled chaotic system is formed by the coupling of multiple discrete chaotic systems. During system evolution, the coupling structure between different subsystems is dynamically changed in real time by manipulating the coupling matrix. The coupled system exhibits complex dynamic behavior and high nonlinearity, and the dynamic changes in structure cause continuous abrupt changes in the system's dynamics, resulting in non-stationary chaotic sequences. This system is resistant to attacks from statistical analysis, algebraic analysis, and other methods, exhibiting extremely high security. Furthermore, this system is applicable to various chaotic systems and complex chaotic networks of arbitrary scale. It can also generate complex dynamics based on simple discrete chaotic systems. Under the same complexity and security requirements, controlling structural changes results in lower overhead. It can be used to design high-performance chaotic cryptographic systems and as a component in network security applications.