577 results about "Binding effect" patented technology

An electrochemical biosensor strip has a base, an electrode system, an optional spacer and a cover. The electrode system is laid on the base. The spacer is laid on the electrode system and exposes a portion of the electrode system for electrical connection with a meter and a different portion of the electrode system for application of a test reagent. The cover is covered on the spacer to form a cavity. Between the test reagent and the base, a hydrophilic layer is laid between them for increasing the binding effect of the test reagent on the base. The hydrophilic layer is laid on the area excluding from the electrode system and laid on the electrode system about 50% to 0% of the electrode system corresponding to the test reagent. The hydrophilic layer will not interfere with signal transmission of the electrode system so the test is more accurate.

An electrochemical biosensor strip has a base, an electrode system, an optional spacer and a cover. The electrode system is laid on the base. The spacer is laid on the electrode system and exposes a portion of the electrode system for electrical connection with a meter and a different portion of the electrode system for application of a test reagent. The cover is covered on the spacer to form a cavity. Between the test reagent and the base, a hydrophilic layer is laid between them for increasing the binding effect of the test reagent on the base. The hydrophilic layer is laid on the area excluding from the electrode system and laid on the electrode system about 50% to 0% of the electrode system corresponding to the test reagent. The hydrophilic layer will not interfere with signal transmission of the electrode system so the test is more accurate.

The invention provides a denitration catalyst and a preparation method thereof. The denitration catalyst comprises: by weight, 40 to 45 parts of nano-titanium dioxide, 6 to 8 parts of nano-silica, 0.5 to 4 parts of ammonium metavanadate, 0.5 to 4 parts of ammonium paratungstate, 0.5 to 2 parts of Acesulfame K (A.K) sugar, and 3 to 5 parts of one or two moulding auxiliary agents. In the invention,trough the introduction of A.K sugar, the denitration catalyst has an excellent denitration performance and through the introduction of rare earth elements, an anti-poisoning performance of the denitration catalyst is improved greatly; the A.K sugar in the denitration catalyst has a binding effect and can improve effectively a mechanical property and a strength of the denitration catalyst thus ananti-crushing property of the denitration catalyst is improved and the problem that a denitration catalyst adopted by the prior art can be crushed frequently in use is solved.

The invention discloses an optical solidifying cyanacrylate binder, which comprises the following parts: 65. 00-90.00% alpha-cyanacrylate, 5. 00-30.00% (methyl) acrylate, 0.10-4. 00% adhesion accelerant, 0.01-2. 00% stabilizer and 0.10-5. 00% optical initiator. the invention is fit for binding metal, plastic, rubber, wood, polyolefin and fluorine product, which possesses excellent binding effect.

Effector functions are provided to a desired target with improved specificity by use of two or more complementary targeting components. The targeting components assemble a functional moiety at the target. At the target, the functional moiety itself provides an effector function or binds to additional components which provide an effector function. The effector function may be an enzymatic activity, a label or a signal. The binary or polynary targeting system may be used for analyte determination as well.

The invention belongs to the field of binder-less environment-friendly artificial board production, and particularly relates to a method for producing binder-less environment-friendly artificial boards by means of hot pressing with steam exploded stalks as raw materials. The method includes steps of chopping the stalks, dipping the chopped stalks into alkali solution and then taking out with water content controlled, performing a steam explosion process on the stalks to obtain steam exploded stalks, drying the steam exploded stalks until reaching a certain water content, and finally performing hot press molding. In the method, alkali lignin is dissolved out during high-temperature digesting of the alkali-process steam explosion, and is blown instantly to damage cell wall structures, so that active groups of three components in the raw materials are exposed fully. In the later hot press molding process, the lignin dissolved out is subjected to condensation reaction with polysaccharide and lignin of the raw materials at a high temperature so as to form a binding effect. By the method, binder-less binding of the stalks is realized, cost for adding binders is saved, processing and production lines are simplified, environmental pollution caused by synthetic resin binders is reduced, production cost is lowered, and a new effective way is provided for artificial board production.

The invention belongs to the technical field of a lithium ion battery, and particularly relates to a viscous battery separator and a lithium ion battery employing the same. The separator comprises a base membrane, a fluorine-containing polymer coating layer and an acrylic polymer coating layer, wherein the fluorine-containing polymer coating layer is coated on a surface, right opposite to a positive pole plate, of the base membrane, and the acrylic polymer coating layer is coated on a surface, right opposite to a negative pole plate, of the base membrane. Compared with the prior art, the fluorine-containing polymer coating layer having a favorable binding effect is coated on the surface, right opposite to the positive pole plate, of the base membrane, the acrylic polymer coating layer having a favorable binding effect with a negative electrode is coated on the surface, right opposite to the negative pole plate, of the base membrane, so that the separator have relatively high adhesion on a positive electrode and the negative electrode, the smoothness and the hardness of the battery are effectively improved, and the safety under the condition that the battery is punctured, colluded and extruded is further improved.

The invention relates to a specific binding protein and an application thereof and particularly provides a monoclonal antibody which can be effectively bound with an epidermal growth factor receptor mutant III (EGFRv III) or partially bound with an epidermal growth factor receptor (EGFR) with overexpressed cells, but has no binding effect with an EGFR with normally expressed cells. In addition, the monoclonal antibody has obvious therapeutic effect on a tumor cell line which expresses the EGFRv III. The invention also provides a method for preparing the monoclonal antibody and a medical composition containing the monoclonal antibody.

The invention discloses a display panel and a detection method thereof, a flexible circuit board and a display device. A second binding area in the flexible circuit board comprises a plurality of contact pads and at least one test pad group, wherein the plurality of contact pads are used for being bound to a plurality of corresponding contact electrodes in a first binding area; each test pad groupis used for being bound to a corresponding test electrode group in the first binding area and comprises a plurality of test pads; the test pads are used for being bound to corresponding test electrodes; and the test pad groups are also used for judging the binding state of the plurality of contact pads and the plurality of contact electrodes through detecting the on-off states between the test pads and the corresponding test electrodes after the first binding area is bound to the second binding area. According to the flexible circuit board disclosed by the embodiment of the invention, the binding effect can be effectively and quickly detected through arranging the test pad groups in the second binding area and binding the flexible circuit board and the display panel.

The invention discloses a porous graphene / nickelous hydroxide / polyaniline composite electrode material and a preparation method thereof, belonging to the technical field of nano composite materials and electrochemistry. The composite electrode material is composited by porous graphene, nickelous hydroxide and polyaniline, and has a porous structure; the nickelous hydroxide is deposited on the porous graphene by the binding effect of holes; the polyaniline is combined with the surface of the graphene by pi-pi mutual effect and is deposited on the surface of the porous graphene. The particle diameter of the nickelous hydroxide is 20-150nm; the specific surface area of the porous graphene is 350-450m<2> / g, the conductivity is 20-60S.m-1, and the weight loss in the temperature of 900 DEG C is 4-6wt%. The obtained porous graphene / nickelous hydroxide / polyaniline composite electrode material has the advantages that the oxidation and reduction performances are good, the specific capacitance is up to 2480F / g, and after the charging and discharging circulate for 2000 times, the specific capacitance is maintained to be about 90% still.

The invention relates to a resin-formed flexible puncture-proof fabric and a preparation method of the resin-formed flexible puncture-proof fabric. The fabric consists of garment fabric and thermosetting resin condensates, wherein a gap exists between the thermosetting resin condensates. The preparation method comprises the following steps of: uniformly dispersing the thermosetting resin in each mesh of a screen plate so that each mesh is filled with resin; scraping residual resin on the surface of the screen plate; spreading the garment fabric on the screen plate filled with resin; applying pressure to the garment fabric, and drying; solidifying the thermosetting resin condensate on the surface of the garment fabric; and finally removing the thermosetting resin condensate from the screen plate to obtain the resin-formed flexible puncture-proof fabric. According to the invention, the thermosetting resin is a good binder before solidification, has a good binding effect with the garment fabric and relatively high strength and hardness after solidification, and can resist the puncture of a conventional tool needle tube; and the shortcomings and defects of the prior art are overcome, and the needs of the military field and civil field are met.

The invention discloses an organic functional porous isolating membrane, a preparation method and a lithium ion battery, and aims to the solve the problem that a function of a coating layer is influenced caused by different binding effects when the surfaces of two coating layers of the same specification of an isolating membrane are laminated and glued with positive and negative plates of different physical properties of a battery. According to the main points of the technical scheme, the organic functional porous isolating membrane comprises a porous base material and organic functional coating layers attached to two surfaces of the porous base material; and each organic functional coating layer comprises organic functional polymer polyvinylidene fluoride, an aqueous polymer thickening agent, and an aqueous polymer binder. According to the different characteristics of the positive and negative electrode materials of the lithium ion battery corresponding to the two surfaces of the porous base material, the organic functional polymer polyvinylidene fluoride with different copolymerization degrees and fusing temperatures can be selected on the surfaces of the isolating membranes of the corresponding positive and negative electrodes, so that the safety performance and the long-term cycling stability of the battery can be improved.

The invention discloses a display panel and a display device, and relates to the technical field of display. The display panel comprises a first substrate which comprises a display region and a non-display region surrounding the display region; an electric connection part which is disposed on the first substrate, is located in the non-display region, and comprises a first conductive gasket group and second conductive gasket groups located at two sides of the first conductive gasket group. The first conductive gasket group comprises a plurality of first conductive gaskets, and each second conductive gasket group comprises a plurality of second conductive gaskets, wherein the length of each second conductive gasket is less than the length of each first conductive gasket. The area of the orthographic projection of the second conductive gaskets on a plane where the first substrate is located is equal to the area of the orthographic projection of the first conductive gaskets on the plane where the first substrate is located. Therefore, the reduction of the frame width of the display panel and the frame width of the display device is facilitated, thereby achieving the narrow frame design of the display device, improving the screen-to-body ratio, and achieving the uniformity of the binding effects of the first and second conductive gaskets and the uniformity of the conductive effects of the first and second conductive gaskets.

An in-situ self-generated high damping TiB2 / Al composite material and its preparation are disclosed. It consists of Si 4 - 13wt%, Cu 0 - 8wt%, Mg 0 - 1.3wt%, Mn 0 - 0.9wt%, TiB2 0.1 - 20wt%, and balanced of Al. It is prepared by salts reaction, which includes: melting Al ingots, keeping temperature and adding mixture of dry K2TiF6 and KBF4 salts, stirring and taking out mixed salt product when reaction ends up, adding Si, and Cu, Mg, Mn or one or two of them to regulate chemical constituent, settling, and casting into ingots to obtain the high damping TiB2 / Al material. Granules of the said material have clean surface with good binding effect with Al substrate surface. Its damping at normal temperature reaches high standard, so that it can be used in development of structure-functional materials.

The invention discloses a production method for a drug balloon. The production method comprises the following steps: 1) preparing a medicinal solution; 2) spraying the medicinal solution on the surface of a balloon with layer by layer through a multi-time spraying technology. The production method has the beneficial effects that an oversaturated paclitaxel medicinal solution is prepared, and is directly applied to ultrasonic spraying to obtain a completely-crystallized medicinal coating. The multi-time spraying technology is used, and the medicinal coating is subjected to solvent steam treatment to obtain a medicinal coating with a small crystal size and a good binding effect between the crystal and a substrate. The drug balloon produced by the production method has the advantages that medicinal loss can be lowered greatly in passing and expanding processes, and the drug utilization rate is increased.

The invention belongs to the field of preparation and machining of a titanium-steel composite plate, and particularly relates to a preparation method of the titanium-steel composite plate of high bonding strength with copper as a middle layer. The method comprises the following steps: a, assembling: symmetrically assembling according to the sequence of steel plate / titanium plate / copper foil / steel plate, and welding to obtain a combined blank; b, heating: heating the combined blank at 880-950 DEG C for 2-6 hours; c, rolling: rolling the heated combined blank for at least two times, wherein the total deformation of the rolling is greater than or equal to 80 percent, and the rolling speed is 0.1-1 m / s; d, refining: separating the titanium-steel interface to obtain the titanium-steel composite plate. The process of the method is simple, the problem of interface oxidation in the preparation process of the titanium-steel composite plate can be solved, the obtained titanium-steel composite plate has a good shape, the binding effect is good, and the binding strength is greater than 240 MPa.

The invention discloses a cementing-type well wall reinforcing agent and a preparation method thereof. The well wall reinforcing agent is prepared from the following raw materials in parts by weight:100 parts of water, 7-15 parts of a cementing agent, 15-25 parts of a temperature-resistant polymer adhesive, 2-6 parts of an inorganic bonding effect enhancer, 1.2-3 parts of a low-molecular-weight polymer binding effect enhancer and 0.5-2.4 parts of a solvation enhancer. After treatment is carried out by using the well wall reinforcing agent, broken rocks around a borehole are formed into a whole again. Meanwhile, due to the fact that the well wall reinforcing agent has an extremely strong bonding property, a generated artificial rock body cannot be broken again in a drilling environment; and even if crushing occurs, the broken rocks can be closed again to form a new whole in the working environment, so that the borehole located in a crushing-zone stratum in a drilling process can be kept stable all the time.

The invention provides a method for detecting the interface binding strength of an aluminum-steel composite material for soldering. The method can be used for accurately detecting the aluminum-steel interface binding strength and quantifying the interface binding effect of the aluminum-steel composite material for the soldering. The method comprises the following steps: firstly, preparing a test sample of the aluminum-steel composite material and carrying out a stripping test on the test sample; and calculating according to a test result to obtain a binding strength value of an aluminum-steel interface. The method is characterized in that the preparation of the test sample comprises the following steps: soldering and connecting a metal reinforced layer on the surface of an aluminum layer of the sample and forming a compound layer by the metal reinforced layer and the aluminum layer of the sample. The binding strength of the metal reinforced layer in the compound layer and the aluminum layer of the sample is greater than the binding strength of the aluminum-steel interface; in the stripping test, the compound layer and a steel layer in the sample are stripped by a tension tester.

The embodiment of the invention discloses a display panel, a display device and a manufacturing method of the display panel. The display panel comprises a substrate base plate, the substrate base plate comprises a driving chip binding region, at least two rows of first connection pins are arranged in the driving chip binding area, and each row of first connection pins comprises at least two firstconnection pins; the thicknesses of the first connecting pins arranged in the same row are the same, and the thicknesses of the first connecting pins arranged in the different rows are different; thedriving chip binding area is rectangular, and the extension direction of the rows is parallel to the long-edge direction of the driving chip binding area. Compared with the existing display panel, forthe display panel provided by the embodiment of the invention, the binding effect of the display panel and a control module can be improved, so that the phenomena of signal crosstalk and uneven display of the display panel are eliminated, and the display effect of the display panel is improved.

The invention belongs to the field of manufacture for binder-less environment-friendly artificial boards, and particularly relates to a method for manufacturing binder-less environment-friendly artificial boards. The method is used for manufacturing the binder-less environment-friendly artificial boards from steam-exploded stalk raw materials by means of alkaline activation hot-pressing. The method includes steps of chopping stalk raw materials and performing steam explosion on the chopped stalk raw materials to obtain steam-exploded stalks; adding aqueous alkali into the steam-exploded stalks; uniformly mixing the aqueous alkali with the steam-exploded stalks; controlling the moisture content of a mixture of the aqueous alkali and the steam-exploded stalks; performing hot-pressing and forming on the mixture. The method has the advantages that the wettability of the stalk raw materials can be improved by means of processing the stalks by a steam explosion technology, cell wall structures are destroyed, lignin in the raw materials is easy to dissolve out under an alkaline condition, dissolved lignin and the lignin and polysaccharide in the raw materials are subjected to condensation reaction under a high-temperature condition of a hot-pressing procedure to realize a binding effect, accordingly, the stalk raw materials are bound with one another without binders by the method, the binder adding cost is saved, a process and a production line are simplified, environmental pollution due to synthetic resin binders is reduced advantageously, the production cost is lowered, and a novel and effective way for manufacturing the artificial boards is provided.

The invention provides a low-modulus high-adhesion assembling type silane modified polyether adhesive used for a building. The low-modulus high-adhesion assembling type silane modified polyether adhesive is divided into a component A and a component B, wherein the component A comprises silane modified polyether, a plasticizer, hydroxyl-terminated branched polyether, branched polyether epoxy resin,a coupling reagent, a thixotropic agent, white carbon black, enhanced filler A, hollow glass microsphere and toner; the component B comprises the plasticizer, the hydroxyl-terminated branched polyether, a light stabilizer, enhanced filler B, an organic tin catalyst and an amine curing agent. In addition, various ingredients in the silane modified polyether adhesive are optimized to obtain a sealant formula with an optimal binding effect. The double-component polyether adhesive system has good compatibility, in addition, the adhesion of the double-component polyether adhesive is greatly improved, the double-component polyether adhesive system is applied to the prefabricated construction member material abutted seam connection used by the assembling type building, a good binding and waterproof effect can also be achieved without being cooperated with a first coat, and meanwhile, a water leakage risk brought by an existing first coat construction misoperation can be avoided.

This invention provides a compound represented by the formula (I): wherein R1 is a hydrogen atom, a halogen atom, hydroxy, nitro, optionally halogenated alkyl, alkoxy optionally having substituents, acyl or amino optionally having substituents; R2 is pyridyl, furyl, thienyl, pyrrolyl, quinolyl, pyrazinyl, pyrimidinyl, pyridazinyl, indolyl, tetrahydroquinolyl or thiazolyl, each of which may have substituents; n is 1 or 2; or a salt. And this invention provides a safe pharmaceutical comprising the compound of the formula (I), which has an excellent apoptosis inhibitory effect and MIF binding effect, for preventing and / or treating heart disease, nervous degenerative disease, cerebrovascular disease, central nervous infectious disease, traumatorathy, demyelinating disease, bone and articular disease, kidney disease, liver disease, osteomyelodysplasia, AIDS, cancer, and the like.

The invention discloses a double-channel beam concrete combination column which comprises a combination column and a steel bar frame, wherein the steel bar frame is arranged in the concrete column and is composed of longitudinal steel bars and stirrups which encircle the longitudinal steel bars horizontally, and the longitudinal steel bars are respectively evenly distributed on the inner wall of the steel bar frame along the longitudinal depth direction of the steel bar frame. A structural steel framework is arranged in the steel bar frame, and the structural steel framework is formed by connection of a steel web and double-channel beam steel, the steel web is arranged in the middle of the double-channel bar steel, the steel web is perpendicular to a web of the double-channel beam steel, channel beam flanges are symmetrically arranged on two sides of the web of the double-channel beam steel, and the two pairs of channel beam flanges are respectively connected through batten plates. The binding effect of structural steel to core concrete is improved through a reasonable steel matching manner of the double-channel beam concrete combination column, cooperative work of the structural steel and the concrete is ensured, and therefore the purpose of improving the bearing capacity and anti-seismic property of the column is achieved.

The invention discloses a preparation method for oxidized graphene and bentonite modified rubber, and belongs to the field of rubber materials. According to the method, oxidized graphene and bentonite are used as a reinforcing filler of the rubber; as a stronger interface binding effect exists between bentonite and the rubber, so that the dispersity of bentonite in a rubber matrix and the compatibility of the rubber matrix are improved, and accordingly, an excellent rubber reinforcement effect is realized; through the addition of oxidized graphene to the rubber matrix, the strength, the wearing resistance and the gas barrier property can be greatly improved.

The present invention provides an SSPPs type microwave band-pass filter, and relates to the microwave filter technology field. The filter adopts a three-segment type structure, the first segment is a coplanar waveguide segment, the second segment is a transition segment transformed from the coplanar waveguide segment to an SSPPs segment, and the third segment is the SSPPs segment, wherein the SSPPs segment adopts a novel child-mother composite groove structure characterized by arranging the child groove structures which are periodic, are in mirror symmetry and are arranged parallelly in the mother grooves. By the number and the geometric sizes of the child grooves, the sub-wavelength bound effect of a microwave electric field can be improved further, and the band-notched characteristic of the SSPPs filter is more excellent. The filter can be widely used in the microwave communication systems, such as the micro-strip circuits of L-wave band to X-wave band, a microwave base station, etc.

A lanthanide is combined with a medium to be tested for endospores. The dipicolinic acid released from the endospores binds the lanthanides, which have distinctive emission (i.e., luminescence) spectra, and are detected using photoluminescence. The concentration of spores is determined by preparing a calibration curve generated from photoluminescence spectra of lanthanide complex mixed with spores of a known concentration. A lanthanide complex is used as the analysis reagent, and is comprised of lanthanide ions bound to multidentate ligands that increase the dipicolinic acid binding constant through a cooperative binding effect with respect to lanthanide chloride. The resulting combined effect of increasing the binding constant and eliminating coordinated water and multiple equilibria increase the sensitivity of the endospore assay by an estimated three to four orders of magnitude over prior art of endospore detection based on lanthanide luminescence.

The invention provides a buckling-resistant supporting element bound by four square pipes, belonging to the field of structural engineering. The supporting element consists of a cross-shaped internal core element and an external binding component. The cross-shaped internal core element is welded by three flat steel plates, and the surface of the cross-shaped internal core element is glued with hard rubber. The external binding component is bound by four square pipes with a plurality of extending steel plate bands, wherein each square pipe is oppositely welded by two equal angle irons with different sizes or four flat steel plates, and each square pipes is hollow or poured with the concrete. The binding effects among the square pipes are realized by the means that the extending steel plate bands are connected with each other by a plurality of high-strength bolts. The high-strength bolts are penetrated through the extending steel plate bands and a plurality of steel cushion plates and rubber spacers which are arranged among the extending steel plate bands, so that the four square pipes are connected with each other into a whole body. Meanwhile, a gap with 1mm-2mm is kept between the surface of the external binding component and the surface of the cross-shaped internal core element, and the gap is filled with the hard rubber which is glued at the surface of the cross-shaped internal core element, thereby meeting the requirement that the cross-shaped internal core element is pressed to be inflated.

The invention discloses a method for preparing an aramid fiber surface coating and relates to preparation of polymer coatings (titanium dioxide modified methyl silicone resins) and treatment of aramid fiber surface. The heat resistance and ultraviolet resistance of the aramid fiber are improved. The invention aims to solve the problems that the surface of a conventional aramid fiber is easily corroded, the aramid fiber is easily decomposed at high temperature and a binding effect between the aramid fiber and organic silicon resin is poor. Aramid fiber, acetone, sulfuric acid, butyl titanate and methyl silicone resin serve as raw materials, the aramid fiber is cleaned through the acetone, the surface coating is removed, and acidizing treatment (sulfuric acid) is performed, so that the surface activity is improved. The method comprises the following steps: preparing a titanium dioxide modified methyl silicone resin coating solution, impregnating the activated aramid fiber into the modified methyl silicone resin solution, and preparing the functional aramid fiber of which the surface is heat-resistant and ultraviolet-resistant. The method has the advantages that raw materials are simple, the cost is low, the operating process is convenient, and popularization and application are facilitated.

The invention relates to a reactive type modified bituminous waterproof sheet material with a gold foil surface. The reactive type modified bituminous waterproof sheet material with the gold foil surface is characterized by comprising a gold foil sheet layer, a modified bituminous binding layer, and an isolating membrane protection layer, wherein the modified bituminous binding layer is arranged in the middle, the gold foil sheet layer is arranged at the upper layer and the isolating membrane protection layer is arranged at the lower layer; and the three layers of waterproof sheet materials are bound together by hot melting in the production process. The waterproof sheet material is a high-grade sheet material used for exposed walls or interior walls needing water resistance, the reactive type modified bituminous layer can creep and permeate into cement gel and concrete pores in the solidification process of cement and concrete, the chemical cross-linking reaction can be produced at a contact interface so as to form a basal plane reaction layer with high binding force, inreversible binding, both severe and soft binding and relatively durable binding, a close, firm and inreversible binding effect can be achieved, and the reactive type modified bituminous waterproof sheet material can be applied to columns, inner walls, outer walls and basements of important places needing the water resistance.

The invention provides a continuous carbon fiber composite material 3D printing device and method with a modifying and dipping synchronization function. A fiber guide pipe is partially immersed in a solution of a synchronous modification container, and the immersed part is provided with a notch for the solution to flow; the fiber guide pipe and a resin guide pipe are connected with two inlets of aprinting head respectively, an outlet of the printing head is connected with a heating block, and a nozzle is arranged at the bottom of the heating block. According to the device and method, 3D printing of the fiber composite material which is synchronously modified and dipped is achieved; through the design of a mechanical structure, the modified continuous fiber enters the heating block along with resin to be printed, the unmodified resin is conveyed into a modification solution to be soaked and modified so that printed carbon fibers can be modified all the time, and synchronization of fiber modification and printing is effectively achieved; after the carbon fibers are soaked with the modified solution, original cellosilk which is easy to disperse in the carbon fibers is combined more tightly; the surfaces of the carbon fibers are coated with a layer of resin, so that the binding effect of the carbon fibers and the resin in the molten state is improved, and the continuous carbon fiber material is not easy to break in the printing process.