49 results about "Tight binding" patented technology

The present invention provides a force measuring ratchet tie down in the field of goods holding. The force measuring ratchet tie down of the invention addresses the technical problems such has insufficiently tight binding, severe difficulty in control and trouble in adjustment. The force measuring ratchet tie down includes a body assembly, a handle, a teeth stop board, a catch and a scroll. The handle is connected with the body assembly through the scroll. A binding belt having a fixable outer end is connected to the body assembly. Another binding belt having a fixable outer end is rolled on the scroll. A ratchet is fixed on the scroll. The body assembly is movably connected with a teeth stop board the end of which could be embedded among the teeth of the ratchet. The handle is movably connected with a catch the end of which could be embedded among the teeth of the ratchet. A sensor is placed at a forced part of the tie down, which is linked with a signal processing circuit and could generate a signal corresponding to the size of the tensioning force of the binding belt when the tie down is in operation. A display device is connected to the signal processing circuit. The force measuring ratchet tie down of the invention has advantages including a high safety property, a compact structure and a low manufacturing cost.

A nano-technology modeling method wherein a group of atoms and an interaction thereof to an open environment are defined by Hamiltonian matrices and overlap matrices, matrix elements of the matrices being obtained by a tight-binding (TB) fitting of system parameters to a first principles atomistic model based on density functional theory (DFT) with non-equilibrium density distribution.

A method, apparatus, and system are directed towards generating a public/private key pair prior to registration. The generation of the public/private key pair is performed by the entity to which the key pair is to be associated. The entity may then complete n application. The entity may then employ the generated public/private key pair to digitally sign the application. In one embodiment, the public key is provided with the application to a registration authority. Upon request, the public key and at least some of the application information may be provided to requester for use in identification, authentication, integrity, and/or non-repudiation of the registered entity. In another embodiment, the registration authority or other entity may verify the identity of the registering entity using the application. In one embodiment, the registration authority may select to digitally sign the application to indicate that the information has been verified.

The invention relates to the technical field of databases, and discloses a method and system for achieving unified processing on multiple databases through middleware. The method includes the following steps: mapping each data list in the databases into an XML file; sending data requests of a user to the middleware through application software, conducting analysis after the middleware receives the data requests of the application software of a client terminal, and generating corresponding SQL statements according to contents of the data requests; displaying data through a unified client terminal access interface API, conducting data binding on HTML files on a front end page after a presentation layer receives the data, conducting data binding on nodes in the HTML files and obtained XML nodes, and accordingly conducting data display. The invention further discloses a system for achieving unified processing on the multiple databases through the middleware. The corresponding SQL statements are automatically generated according to the data requests, excessively-tight binding and excessively-tight limiting between an application layer and the databases are avoided, and rapid transplantation and rapid management on the multiple databases are accordingly achieved.

The present invention relates to a Fe3O4/graphene composite material and a preparation method thereof and belongs to the technical field of electrode materials of energy storage devices. The preparation method of the Fe3O4/graphene composite material includes the following steps that: an oxidized graphene emulsion and a Fe(OH)3 sol are uniformly mixed, solid-liquid separation is carried out, so that a Fe(OH)3/oxidized graphene composite material can be prepared; and the prepared Fe(OH)3/oxidized graphene composite material is heated at 200-500 DEG C for 1 to 5 hours under the protection of an inert gas, so that the Fe3O4/graphene composite material can be obtained. According to the preparation method of the Fe3O4/graphene composite material, tight binding of Fe(OH)3 colloidal particles and a GO sheet can be realized through electrostatic forces between the colloidal particles, and effective coating of Fe(OH)3 nanoparticles on graphene can be realized by means of simple mixing; and heat treatment is carried out on the nanocomposite, so that the Fe(OH)3 can be transformed into Fe3O4, and at the same time, the shape of a sandwich structure is retained.

The invention relates to a capillary electrophoresis-based method of screening complex materials for any unidentified affinity ligand that binds to a target of interest. The method subjects a plug of a mixture of the target and a complex material sample, and a separate plug of a known, tight-binding competitive ligand, to capillary electrophoresis under conditions optimized to allow mingling of the two plugs during the capillary electrophoresis run. Preferably, migration of the competitive ligand is tracked.

The invention relates to an outdoor stem grafting method of the rest period of fruit tree. The method comprises the following steps: selecting time and environment, cutting stock, cutting scion, binding, wrapping the top of the scion and the like. The grafting method has the following characteristics: in the rest period and in an outdoor environment, a knife is used to cut a vertical opening on the cortex at the kerf of the stock from top to bottom, wherein the opening has the length of 2-4cm and is deep to the xylem; the scion is cut to a 3-5cm of horse ear-shaped large inclined plane, then the epidermis on the both sides of the back of the inclined plane is cut away to expose the phloem, the tip of the scion is cut to be arrowhead-shaped; the tip of the the scion is placed vertically between the phloem and xylem on the top end of the vertical opening of the stock to ensure that the inclined plane of the scion faces to the xylem; the worker holds the scion in the left hand and uses a tool in the right hand to slightly nail the tip of the scion in the stock and ensure the scion to stand in the stock, then the vertical opening of the stock is tightly pressed by the thumb of the left hand to nail the scion in the stock and ensure that 1-2mm of the upper part of the inclined plane of the scion is exposed; a plastic strip is used to perform tight binding from the kerf and joint of the stock to the lower part of the bud; and a mulch strip is used to slightly wrap the upper notch of the scion. The grafting method has high survival rate, is special for the outdoor stem grafting of the rest period of fruit tree and can prolong the grafting time.

The invention discloses a liana fixed band which comprises a buckle body and a buckle band which is connected with one end of the buckle body and provided with a serrated surface. A narrow lock hole and a wide lock hole are formed in the buckle body, wherein the narrow lock hole and the wide lock hole penetrate in the vertical direction. An iron wire clamping groove is arranged in one side of the wide lock hole, wherein the section of the iron wire clamping groove is in a U shape. The buckle band is arranged at one side of an opening end of the iron wire clamping groove. A first lock catch is arranged at the other side of the opening end of the iron wire clamping groove and slantwise extends to the opposite side of the wide lock hole. A second lock catch is arranged in the narrow lock hole and slantwise extends upward. When the liana fixed band is in the condition of use, the iron wire clamping groove is closed by the buckle band, and the buckle band is capable of penetrating from the wide lock hole and out of the narrow lock hole. By adopting the structure, the liana fixed band has the advantages of being easy and convenient to operate, and capable of saving rime and labor to bind and avoiding happening of condition that growth of plants is influenced due to too tight binding. When the plants are out of a shelf in an area where the plants need to be overwintered and protected in winter, an unlocking spanner is opened, the buckle band is pulled out of the narrow lock hole, and then plant branches and tendrils are just divorced and fixed. The buckle band is left on iron wires of a shed frame and capable of being recycled in the next year.

The invention provides an efficient and relatively-high-precision quantum molecular dynamics model for initiation of an energetic material under the shock wave guide condition.The model adopts a direct dynamics simulation method, that is, a potential energy surface is not pre-constructed, energy of a system and force acting on nucleuses are calculated once being used.Acting force among atoms and electronic structure information are calculated by adopting a charge self-consistent density functional based tight-binding method (DFTB), and shock waves are described by selecting a multiscale approximation method.A stimulation result outputs the movement rule and physical state information such as the temperature, the size and the pressure of the atoms.According to the method, an early theoretical prediction and a scientific basis can be supplied to improvement of the energetic material and screen, design, optimization and the like of a novel energetic material.

The invention discloses a multidirectional surface wave separator with a fully-isolated bandwidth. The multidirectional surface wave separator is formed by constructing multiple waveguides in different directions on a surface wave photonic crystal that is constructed by metal column array structures periodically arranged on the metal surface through a defect introducing mode, the distances between metal posts of the surface wave photonic crystal and the column are equal, and the distance is less than 1/2 of the working wavelength of surface waves; the waveguides are formed by reducing the height of the metal posts on the surface wave photonic crystal in the defect introducing mode, and the resonant frequency at the defect is within a forbidden band of the surrounding surface wave photonic crystals; and one end of each waveguide is connected with an excitation source. According to the multidirectional surface wave separator disclosed by the invention, the wave separation is based on a coupled resonant cavity optical waveguide that adopts a tight-binding approximation principle, rather than a dispersion relation of a traditional surface plasma waveguide, and thus the complete separation of the surface waves in different frequency ranges can be achieved; and the operating frequency range of the multidirectional surface wave separator can be randomly changed by adjusting geometrical parameters of the metal structure.

The invention relates to the technical field of tin plating alloy coper twisted wire production, and discloses a multi-bundle tight binding device for tin plating alloy cooper twisted wire production.The multi-bundle tight binding device comprises a tight binding belt, wherein the left end of the binding belt is fixedly connected with a first tight binding block; the upper surface of the first tight binding block is provided with a first position limiting groove penetrating through and communicated with the upper end of the first tight binding block; a second position limiting groove penetrating through and communicated with the first position limiting groove is formed inside the first tight binding block. The multi-bundle tight binding device for tin plating alloy coper twisted wire production has the advantages that the first tight binding block is inserted into a second movable groove of a second tight binding block, so that one end of the rotating block is clamped in a third position limiting groove; a reset spring is compounded, so that the first tight binding block cannot be disengaged; therefore the tight binding goal is achieved; when the dismounting is needed; the connecting block is matched by leftwards moving the movable block; the connecting block is matched with a hinging rod through a second hinging seat, so that the rotating block is outwards disengaged; at themoment, the goal of dismounting convenience can be achieved by pulling out the first tight binding block.

The invention relates to a low-temperature caring agent for a deep water under-water concrete structure cement-based grouting material. The low-temperature caring agent is prepared from the followingingredients in percentage by mass: 15 to 50 percent of cement hydration catalysis ingredients, 45 to 80 percent of expansion ingredients and 1 to 5 percent of plasticization ingredients, wherein the cement hydration catalysis ingredients are prepared from crystal nucleus and catalysts; the crystal nucleus is formed by one kind of materials or several kinds of materials from nanometer silicon dioxide, nanometer calcium carbonate and nanometer aluminum oxide through compounding; the catalysts are prepared from two or several kinds of materials from lithium nitrate, ferric sulfate and alkaline earth metal halides. The low-temperature caring agent has the advantages that no chlorine and no alkali exist; all ingredients achieve cooperated effects; the hydration process of the cement under the low-temperature condition can be accelerated; the mixing quantity in the grouting material is 5 to 10 percent of the powder material; the intensity of the cement-based grouting material at the low-temperature environment (0 to 5 DEG C) is not lower than the intensity of the cement-based grouting material of the same mixture ratio under the 20 DEG C standard caring condition; the grouting performance of the cement-based grouting material can be improved; no shrinkage and micro expansion are realized; the tight binding with the grouting base surface can be realized.

The invention provides a cement simulated tree and a terrain effect manufacturing process. The process comprises the following steps: first, determining the position and size proportion for good foundation, during large-scale moulding, welding a skeleton by adopting galvanized channel steel, steel angles and deformed steel bars, uniformly laying steel wire gauzes on the steel skeleton, carrying out tight binding by adopting binding wires, wherein the binding knots of the binding wires face the inside of the skeleton, carrying out base-layer plastering by using 1:1 cement mortar, wherein the thickness is about 1.5cm, carrying out second-time plastering after the first-time plastering, adding iron oxide pigment or color paste into cement mortar obtained by stirring building glue, carrying out repeated processing so that the mouldling, texture, body shaping and surface carving are basically close to those of the model, wherein coloring is carried out when the moisture on the moulded faceis not completely dry, adding water into acrylic paint and cement, carrying out uniform mixing, carrying out layer-by-layer scattering-dyeing, and after coloring is completed, spraying acrylic emulsion to the colored moulded body. According to the technical scheme, the manufacturing of the cement simulated tree is carried out by adopting the ground moulding method, and the manufacturing process ofthe cement simulated tree is effectively enabled to be simple, low in cost, and energy-saving and environmentally friendly.

The invention discloses a centrifugal disk of a mechanical centrifugal atomization device, which is arranged on the mechanical centrifugal atomization device, and comprises a disk upper cover, a disk body, and a disk lower cover; There are several axial slender grooves penetrating radially on the top, and the axial slender grooves deviate from the central axis of the disc body; the upper cover and the lower cover of the disc sandwich the disc body in the middle to form a hollow disc structure; the lower end of the upper cover of the disc 1. The upper end of the lower plate cover is respectively provided with stop holes, and the upper and lower ends of the plate body are respectively provided with stop holes. Tight combination; the further improvement lies in that: the axially slender groove on the outer wall of the disk body is in the shape of a cone with a large outside and a small inside in a section perpendicular to the central axis of the disk body. When the present invention is used, even in a state of high-speed rotation, it can significantly reduce or avoid the deviation of the disc body from the central axis of rotation, and at the same time can significantly improve the effect of centrifugal atomization.

The invention discloses a Chinese holly grafting and landscaping method. The method comprises the steps of taking a 6-8 cm long thorny Chinese holly stake as stock, shearing the stock at the position which is close to the ground and provided with smooth bark, cutting one side of the section of the stock by 3-5 cm, inserting three to five 0.8-1.5 thick no-thorn Chinese holly scions into the stock, aligning the forming layers of the no-thorn Chinese holly scions and the stock, conducting tight binding and earth covering for moisture maintenance, conducting sunshading and curing on the scion part, guaranteeing water and fertilizer supply of the root, and conducting pruning and shaping finally.

The invention discloses a cable solder wire for a CMT welding system. The solder wire comprises a central solder wire. The outer side of the central solder wire is provided with a spiral solder wire which is twined tightly around the central solder wire in a spiral manner. The outer side of the spiral solder wire is provided with a protection ring. The inside of the spiral solder wire is provided evenly with 4 subordinate solder wire groups. The subordinate solder wire groups are tangentially arranged. The inside of each subordinate solder wire group is provided with a first solder wire, a second solder wire, a third solder wire and a fourth solder wire. The fusion depth in the welding operation is deep. This structure can reduce the quantity of overlapping welding seams layers and can fundamentally increase the welding efficiency, reduce the production costs with negligible splashes. The high mechanical property of the welding seam and the tight binding structure of the solder wire stabilize the solder wire feeding process, enhances the welding property of the cable solder wire and makes the CMT welding system to render a better soldering effects.

The invention discloses a web searching engine based on block chain technology by using living biometric identity to log in, which comprises an identity authentication module, an area chain and an information module. The identity authentication module comprises: a front-end hardware token and a dual-camera; combined with infrared light, the user's facial and finger veins are obtained, and the unique ID of the user login system is generated. P2P digital currency rewards and punishments mechanism and information integrity are realized in the regional chain, so that the real and effective contentcan be provided to the users who need them. Information module realizes the tight binding between users and information, realizes information openness, transparency, flattening, and can return to theoriginal value and spirit of the Internet and block chain. Searching engine is no longer purely profit-driven profit-making machine. The invention adopts distributed storage and maintenance, traces the source and establishes reward and punishment mechanism, and records and binds the reward and punishment mechanism when the user inputs, modifies and uses the information, so that the reward and punishment mechanism is no longer a cost-free abuse.

The invention discloses a preparation method of a fruit and vegetable fresh keeping agent, and belongs to the technical field of fresh keeping. Through tight binding force of phenol substances and protein in Chinese herbal medicines, a novel film material is formed, antioxidant activity is provided, the defects of the film material are overcome, a release control carrier of a bacteriostat is prepared, and the carrier and aloe gel are combined through catalysis to form a three-dimensional net-shaped structure; and an emulsifying agent and grape seed oil are added to a fermentation mixture for performing hydrophobic character modification on the aloe gel film material, the grape seed oil is added to a protein substrate to prepare a film forming emulsion, and the emulsion film material with good vapor barrier property is constructed as the release control carrier of the bacteriostat. Besides, the emulsion film material can load a phenol substance liposoluble biological bacteria inhibitor,can achieve the effect of release slow for preservation of foods, can achieve the effect of long-acting bacteria resistance, and can prolong the shelf life. The invention solves the problems that a common fresh keeping agent at present is limited in fresh keeping effect, and has chemical components harmful to human bodies.

The invention provides a stopping block for an inertial sensor. The stopping block is arranged on the surface of a substrate and used for blocking inertial movement of a mass block and comprises a body, wherein the position, in contact with the inertial mass block, of the body is a round corner, and the surface of the body and the surface of the substrate are made of the same material. The surfaceof the stopping block and the surface of the substrate are made of the same material so that the firmness degree of the stopping block can be increased by utilizing the characteristic of tight binding of homogeneous materials and the stopping block is not prone to shedding from the substrate. In addition, the position, in contact with the inertial mass block, of the body is the round corner so that the effective contact area between the stopping block and the mass block can be increased, and the possibility can be reduced that the stopping block is damaged after being bumped.

The invention discloses a swimming technical resistance trainer. The swimming technical resistance trainer includes two palm covers and two foot covers, and further includes a tight-binding garment covering a trunk of a human body, the two palm covers are fixedly connected to the left side and the right side of the tight-binding garment through upper limb resistance belts correspondingly, the twofoot covers are fixedly connected to the left side and the right side of the bottom end of the tight-binding garment through lower limb resistance belts, first binding belts are symmetrically arrangedon the left side and the right side of the bottom end of the tight-binding garment, the movable ends of the first binding belts are fixedly connected with locking sleeves, and second binding belts are arranged at the top end of the tight-binding garment in left-right symmetry. According to the swimming technical resistance trainer, training is conducted by tying the trunk of the human body with the tight-binding garment, and then putting the palm covers on hands and the foot covers on feet, since the tight-binding garment covers the trunk of the human body, when the tight-binding garment is pulled by the upper limb resistance belts and the lower limb resistance belts, force is distributed on the trunk of the human body without concentrated stress, thus the fatigue strain can be effectively prevented, and the safety of athletes can be guaranteed to the maximum limit.