392results about How to "Achieve resilience" patented technology

The invention belongs to the technical field of wireless communication, and relates to a resource allocation method in a distributed heterogeneous environment in mobile edge computing. The method comprises the steps of establishing diversified task unloading models according to unloading delays corresponding to different service types in an MEC environment; establishing a buying and selling game model between the user and the MEC server; respectively establishing maximized income models of the user and the MEC server; adopting a Lyapunov optimization algorithm to improve the user model, and solving an optimal purchase strategy of the user through a Lagrange multiplier method and KKT conditions; solving an optimal quotation strategy of the MEC server based on the strategy; and if the optimal purchase strategy and the optimal quotation strategy satisfy a Stackleberg equilibrium solution, allocating computing resources of different users as required according to the optimal strategy by the MEC server. By means of the method, compromise of user unloading income and time delay can be achieved, and elastic control and on-demand distribution of task unloading and computing resource distribution can be achieved.

The invention provides a device and a terminal for automatically popping up a camera. The device comprises a camera, a first elastic assembly, a rotating assembly, a slide rail switch and a second elastic assembly, wherein the camera is respectively connected with one end of the first elastic assembly and the machine body of the terminal, a connecting groove is formed in the side face of the camera, the other end of the first elastic assembly is connected with the machine body, when the slide rail switch is shifted downwards, the slide rail switch drives the rotating assembly to rotate to separate the rotating assembly from the connecting groove, the first elastic assembly pops up the camera, after the camera is popped up, the camera is pressed downwards to compress the first elastic assembly, the connecting groove is clamped with the rotating assembly, the rotating assembly drives the slide rail switch to rotate to reset the slide rail switch; and the slide rail switch is connected with the machine body through the second elastic assembly, and after the slide rail switch resets, the second elastic assembly fixes the slide rail switch. The device can automatically pop up and rebound the camera, so that the camera can be held in an enclosure to avoid the camera of being damaged.

The invention discloses an Al-Fe-Zn-Mg rare earth alloy wire and a preparation method thereof. The aluminum alloy comprises the following elements: 0.3-1.2wt% of Fe, 0.01-0.3wt% of Zn, 0.01-0.4wt% of Mg, 0.1-1.5wt% of rare earth element and the balance of Al and inevitable impurities, wherein the rare earth element is composed of one or more of cerium, lanthanum, neodymium and yttrium. The preparation method of the aluminum alloy wire comprises the following steps: preparing an aluminum alloy rod through smelting, casting and rolling, performing insulation treatment in a heat holding cover at 240-320 DEG C for 10-20 hours, wiredrawing and extruding insulating material on the wire; or preparing an aluminum alloy rod through smelting, casting and rolling, drawing the aluminum alloy rod to prepare the aluminum alloy wire, performing semi-annealing treatment in an annealing furnace at 340-380 DEG C for 5-10 hours, and finally extruding insulating material on the wire. The aluminum alloy wire prepared by the method of the invention has excellent electrical property, mechanical property and corrosion resistance and can be used in the wire and cable conductors.

The invention relates to an Internet of Things cloud access method and system based on Web Service. The method comprises the following steps of: 1, sending registration request information to a cloud receiving end through an Internet of Things emitting client; 2, feeding digital certificate information back to the Internet of Things emitting client by the cloud receiving end after receiving the registration request information; 3, acquiring a service resource identifier of the cloud receiving end through the Internet of Things emitting client; and 4, bidirectionally sending data information to the cloud receiving end at fixed period by the Internet of Things emitting client according to the service resource identifier and the digital certificate information. According to the Internet of Things cloud access method and system based on the Web Service, both the generality and the flexibility are combined, thus the problem of the conventional cloud access system can be solved well, the access equipment of various types can be compatible, and the data can be safely and reliably transmitted to a cloud center through the Internet of Things emitting client; an HTTP / HTTPS (Hyper Text Transport Protocol / Hypertext Transfer Protocol Secure) protocol is adopted, therefore, the possibility of error interception is avoided; and with the adoption of a self-defined JSON (JavaScript Object Notation) message format providing envelope mechanism, the industrial data models of various types are supported.

The invention discloses a modified polyurethane sealing gum and making method of nanometer organic montmorillonite silane group organosilicon at modifying end, which comprises the following parts: 100wt% organosilicon modified polyether typed polyurethane of end silane, 5-20wt% nanometer organic montmorillonite, 5-150wt% mineral filler and 0.2-1.5wt% catalyst. The invention realizes the reinforcing and toughening effect of end silane polyurethane seal gum simultaneously due to the boundary interaction between nanometer organic montmorillonite and polymer base, which improves the stretching strength and fracture extensibility more than the formulation without montmorillonite.

The invention relates to an on-demand service method for a software license in a cloud computing platform. The method is characterized by comprising the steps of generating the software license for the cloud computing platform and using the cloud computing platform by users. As the number of software modules and licenses is not limited, as long as hardware resources are enough, application software and the license resources thereof can timely meet the requirements regardless of the number of the users simultaneously using the software modules and the licenses. According to the method, at the peak usage time of a large number of users, the requirements of the users can be met timely, the user service quality is effectively improved, the response time for application is shortened, and the capacity of the users is increased; and when the users do not use the application software, software usage records and software expense can be avoided, so that user expense waste can be avoided at the trough usage time of the users. The on-demand service method for the software license in the cloud computing platform more reasonably makes use of the application software and the license thereof, and fulfills the aims of fully sharing the application software in the cloud computing platform and improving the software value.

The invention relates to a preparation method of crosslinked polymer microphere with uniform particle size. By adopting the process of dispersion and polymerization, styrene or acrylic ester is taken as a monomer; a monodisperse crosslinked polymer microphere with uniform particle size is prepared by steric hindrance dispersant and multi-functional crosslinker. The microphere has regular spherical and solid, a smooth surface, no damage or defect, and the strength and flexibility meet the requirements of producing ACF.

The invention discloses an electric welding machine connecting device which comprises a wall body and a frame base arranged in the wall body. A cavity is arranged at the bottom in the frame base, a slippage part is arranged in the cavity, a control zone is arranged in the outer wall of the left side of the slippage part, a placement groove is formed in the slippage part on the right side of the control zone, a first hollow cavity is formed in the slippage part on the right side of the placement groove, a first baffle is arranged between the first hollow cavity and the placement groove, a second hollow cavity is formed in the slippage part above the first hollow cavity, a first baffle is arranged in the second hollow cavity, a boss is arranged in the second hollow cavity above the first baffle, protruding blocks are arranged at the tops of two sides of the boss, magnets are arranged in the bottoms of the protruding blocks, magnets are arranged in the bottoms of the protruding blocks, electromagnetic coil devices are arranged at the top of the first baffle corresponding to the magnets, first compression springs are arranged between the electromagnetic coil devices and the magnets, and the bottom of the boss penetrates through the first baffle. The electric welding machine connecting device is simple in structure, convenient to operate, small in occupied area and capable of meeting wiring demands of different distances and achieving wire take-up work, and the working efficiency is improved.

The invention discloses a service recommendation method and system. The method comprises the steps of obtaining essential information of users, raw information of using the internet by the users and position scene information of using mobile service by the users; setting a user interest model according to the obtained raw information of using the internet by the users; setting a user scene model according to the obtained position scene information of using the mobile service by the users; and setting an association relationship model among the user interest model, the user scene model and service information, calculating the recommendation levels of various kinds of service recommended to the users according to the association relationship model, and recommending the service with the high recommendation level to the users. According to the technical scheme, the position scene of the users is introduced into the individual service recommendation method, so that the recommendation accuracy of individual service and the user experience are improved, and the method is based on a system framework of a cloud computing resource pool, so that the flexibility and the dynamic propagation of resources are achieved, the system response time is shortened and the user experience is improved.

The invention provides a method for formulating a water-air alternate time-controlled quenching process. The method comprises the following steps of: step 1, predicating a structure composition of a part with required performance according to the performance detection part of an alloy steel piece and specific performance requirements; step 2, according to the super-cooled austenite isothermal cooling transformation curve or the super-cooled austenite continuous cooling transformation curve of a material, acquiring the longest cooling time or the minimum cooling speed which the structure needs to reach a certain temperature; step 3, dividing an alloy steel piece into a cooling speed control area and a slow cooling area along a section from the surface to the centre; step 4, determining the water-air alternation times of the cooling speed control area, and a water-cooling time and an air-cooling time each time; and step 5, determining the water-air alternation times of the slow cooling area, and a water-cooling time and an air-cooling time each time. With the adoption of the method provided by the invention, the alloy steel piece can obtain required performance or structure on the premise of avoiding cracking; and the method is suitable for a quenching treatment for the alloy steel pieces with various ingredients.

The invention relates to a brazing material for connecting ceramic and steel and a brazing method, particularly a composite brazing material for connecting Si3N4 ceramic and 42CrMo steel and a brazing method by using the same... The invention aims to solve the problems of high residual stress and low strength of the brazing joint formed by connecting the Si3N4 ceramic and 42CrMo steel by the existing brazing material. The brazing material is prepared from Ag powder, Cu powder, Ti powder and a reinforcing phase. The method comprises the following steps: mixing Ag powder, Cu powder, Ti powder and an reinforcing phase, carrying out ball milling, mixing with hydroxyethyl cellulose, and drying to obtain a composite brazing material sheet; putting the composite brazing material sheet between the to-be-brazed surface of the Si3N4 ceramic and the to-be-brazed surface of the 42CrMo steel to obtain a to-be-brazed piece; and putting the to-be-brazed piece in a vacuum brazing furnace to carry out vacuum brazing, thereby completing the brazing of the composite brazing material for connecting the Si3N4 ceramic and the 42CrMo steel. The invention has the advantages of low residual stress and high strength of the brazing joint, and is applicable to brazing connection of ceramic and steel.

The preparation method of biological material integrally-implanted ear soft bone bionic support includes the following steps: 1. preparing laminate image of reference auricle contour; 2. restructuring said image to obtain three-D entity model; 3. layering said three-D entity model to obtain two-D graph of every layer; 4. coding every layer two-D graph to obtain digital control code; 5. inputting digital control code of every layer two-D graph into quick forming machine; and 6. using the quick forming machine to make hierarchical piling and hierrarchical cutting according to the inputted digital control codes so as to obtain the invented ear soft bone support.

The invention relates to a high wear resistance surfacing alloy material containing multiphase metal ceramics and belongs to the technical field of the material. The high wear resistance surfacing alloy material comprises the following ingredients in percentage by weight: 25 to 50 percent of ferrochrome, 1 to 10 percent of ferrotitanium, 1 to 10 percent of ferrovanadium, 0.1 to 5 percent of rare earth material, 1 to 7 percent of ferroboron, 0.4 to 8 percent of ferromolybdenum, 0.5 to 5 percent of aluminium powder, 0.4 to 7 percent of ferronickel, 0.1 to 10 percent of powder material, 8 to 15 percent of sodium potassium silicate, 0.1 to 5 percent of carbon black and the balance of ferrum, wherein the granularity is between 70 and 140 meshes. When the high wear resistance surfacing alloy material containing the multiphase metal ceramics of the invention is adopted to carry out carbon arc surfacing or plasma surfacing, the operation method is simple and the cost is low. Compared with a manual wear-resistance surfacing electrode, the high wear resistance surfacing alloy material is easy to obtain a surfacing layer with high carbon content, high hardness and high wear resistance and has the advantages of firm combination of hard phases and a matrix, high performance of resisting abrasive wear and wide application range.

The sound absorbing high elasticity concrete material for road consists of Portland cement 15.0-17.0 wt%ú¼flyash 1.0-3.0 wt%ú¼ calcium carbonate mineral powder 8.6- 9.6 wt%ú¼crushed rubber tyre grain A 1.15-2.15 wt%ú¼ crushed rubber tyre grain B 2.35- 3.35 wt%ú¼ coarse aggregate 25.6-28.6 wt%ú¼ fine aggregate 29.3-32.0 wt%ú¼ water 9.0-10.5 wt% and efficient water reducing agent 0.20-0.40 wt%. The present invention has the advantages of full utilization of waste tyre, reducing environmental pollution, low cost, etc. and the deposited concrete road has high elasticity, high softness, reduces extension joint, less noise and environment friendship.

The invention relates to a conductive high-performance structure cementing material and a preparation technology thereof. The structure cementing material is prepared by compounding a conductive enhanced textile and an adhesive film, wherein the conductive enhanced fabric is prepared by comprising the following steps: firstly, selecting, or designing and preparing a woven or non-woven two-dimensional high-porosity fabric from microscale fibers, wherein the material and structure of the fabric need to play enhancement and toughening roles; by taking the fabric as a carrier, loading nanoscale conductive components on the surface of the fabric, to form a three-dimensional (stereoscopic) conductive seepage network structure, or directly performing conductive metal chemical plating treatment, to obtain a high-conductivity enhanced fabric; and then pre-impregnating the conductive fabric to prepare the conductive adhesive material through the adhesive material. After being applied in a structure adhesion situation, the conductive adhesive material can realize the integration of enhancement, toughening and conductivity of an adhesive joint.

A vinyl polymer having at least one terminal group of the general formula (1) per molecule; -OC(O)C(R)=CH2 wherein R represents hydrogen or an organic group containing 1 to 20 carbon atoms; a curable composition containing said polymer; an aqueous emulsion containing either said polymer or said curable composition; a pressure sensitive adhesive composition and a pressure sensitive adhesive each comprising said curable composition or aqueous emulsion.

The invention discloses a coated tip used to processing cast iron, which comprises a hard alloy basal body and a coating. The invention is characterized in that the hard alloy basal body comprises 2 percent to 12 percent of cobalt by weight and 0.2 percent to 3.5 percent of cubic-structure compound of metallic elements from the families of IVb, Vb and / or VIb in the periodic table by weight. A binding phase surface enrichment area is formed on both sides of the cutting edge of the basal body. The middle pie-slice section of the binding phase surface enrichment area is a cubic structure enrichment area. The coating comprises an innermost layer of equiaxed grain TiCxNyOz, a middle layer of columnar crystal TiCxNy 2 microns to 13 microns thick, a transition layer of TiCxNyOz and an outer layer of fine crystal Alpha-Al2O3 4 microns to 12 microns thick. The tip disclosed by the invention not only has the characteristics of high wearing feature, high strength and high versatility, but also integrates the toughness and the plastic deformation resistance well. Accordingly, the invention is in particular applicable for processing cast iron.

The invention discloses a specific composite papermaking filling. The specific composite papermaking filling is a compound with a core-shell structure, wherein powder is taken as a core of the compound with the core-shell structure, a coating membrane which is grafted with the powder and contains acrylamide copolymers is taken as a shell layer of the compound with the core-shell structure, and the powder is spherical, sheet-shaped, staple fiber-shaped, needle-shaped or irregular inorganic powder; and the coating membrane shell layer containing the acrylamide copolymers is formed by copolymerization of monomers (a), (b) and (c). According to the specific composite papermaking filling with the core-shell structure, except a non-desorption function, a polymer membrane at the surface of the shell layer further has hydrophily and cationic performance, so that the paper can be strengthened and toughened when the web end retention rate is maintained or even improved in a paper filling process; besides, the characteristics of the specific composite papermaking filling can be adequately utilized, and particularly the specific composite papermaking filling can be used as the special filling for paper.

The invention discloses a high-temperature-resistant flexible adhesive cured at normal temperature and a preparation method thereof. The high-temperature-resistant flexible adhesive is prepared by adopting bisphenol-A epoxy resin, high-polymerization-degree epoxy resin, polysulfide rubber and organic silicon resin as bonding components, adopting polyamide as a main curing component, and adding inorganic auxiliary materials with different proportions. The high-temperature-resistant flexible adhesive disclosed by the invention has the advantages that a Si-O chain section in organic silicon and a flexible chained structure in the polysulfide rubber are formed by changing grafting positions of the organic silicon and the epoxy resin, so that not only are the high-temperature resistance and the toughness of a cured product improved, but also the consumption of epoxy groups in a process of modification is reduced. The epoxy resin adhesive prepared by the method solves the problems that the cost is high, the purchasing of raw materials is difficult and the modification of the bonding components consumes a great quantity of epoxy groups to cause insufficient curing reaction and further cause reduction of the strength of the adhesive in the epoxy resin adhesive in the prior art. The high-temperature-resistant flexible adhesive has the characteristics that the operation can be carried out under the room-temperature condition, and simultaneously the high temperature can be resisted.

The invention provides a monitoring method and apparatus, an electronic device and a storage medium of a storage system. Wherein the storage system comprises an array of solid-state hard disks; The monitoring method comprises the following steps of: acquiring state data of part or all of the solid-state hard disks in the solid-state hard disk array; Adjusting power consumption parameters of part or all of the solid state drives; When adjusting a solid-state disk,adjusting the power consumption parameter of the solid-state disk according to the input and output load statistics of the storage system and the state data of the solid-state disk. At least one embodiment of that present application may slow down the age of the solid state drive.

The invention discloses a high-strength high-toughness transparent polylactic acid composition and a preparation method thereof. The high-strength high-toughness transparent polylactic acid composition is prepared from the following raw materials in parts by weight: 80-95 parts of levopolylactic acid, 5-20 parts of dextropolylactic acid, 0.05-1 part of antioxidant, 0.1-2 parts of solubilizer and 0-3 parts of other assistants. The polylactic acid composition prepared by the method provided by the invention has the characteristics of high tensile strength (68 MPa), high elongation at break (200%), high visible light transmittance (higher than 75%), favorable melting processibility, favorable heat resistance and the like. The mass percent of the polylactic acid in the composition is 95-99.8% above, and the composition is completely biodegradable. The preparation method is simple and environment-friendly, and can easily implement industrialization.

The invention discloses a multi-live load balancing method and system applied to an openstack cloud platform, and belongs to the field of cloud computing pass. The technical problem to be solved by the invention is how to meet the requirements of four-layer and seven-layer flow load balancing, avoide a single-point fault of the load balancing node, achieve the maximum utilization rate of the loadbalancing node performance, and improve the resource utilization rate of the physical server on the cloud platform; the adopted technical scheme is as follows: the method comprises the following steps: open-source LVS and NGINX are used for carrying out load balancing on four-layer flow and seven-layer flow respectively; through cooperation of an open source quagga virtual router of an ospf protocol and a physical switch supporting the ospf protocol, multi-path selection is carried out; a multi-active mode is realized, and communication with a virtual machine in a tenant vpc is performed through an external network shared by tenants on an openstack platform, so that cross-vpc load balancing is realized. The system adopts a micro-service software architecture and comprises a UI layer, a back-end micro-service layer, an atomic micro-service layer and a far-end SLB-AGENT layer.

The invention discloses a longitudinal and transverse wave integrated ultrasonic probe as well as a testing system and method of elastic modulus and distribution. The longitudinal and transverse wave integrated ultrasonic probe is designed and carried by a manual C imaging scanner, position information feedback in directions of X and Y axes in free sliding motion is acquired, and elastic modulus and distribution quantitative characterization is realized with an imaging technique. Elastic modulus and distribution of a heterogeneous anisotropic material is acquired quickly and accurately with the testing method of elastic modulus and distribution of the longitudinal and transverse wave integrated ultrasonic probe in combination of an ultrasonic automatic scanning technique, a virtual instrument technique, an ultrasonic signal analysis and processing technique, a digital imaging technique and other techniques, and the testing method is suitable for testing elastic modulus and distribution of heterogeneous anisotropic plate type composite.

The invention provides a bullet curtain display method, a recording medium, electronic equipment, and an information processing system. The bullet curtain display method comprises the following steps:information receipt, that is, receiving bullet curtain information and target designation information used for designating a particular target from a user; target detection, that is, determining a display position of the particular target in a currently displayed video picture based on the target designation information; and bullet curtain display, that is, displaying the bullet curtain information in a position associated with the display position of the particular target in the video picture based on an identification result. The bullet curtain display method, the recording medium, the electronic equipment and the information processing system provided by the invention have the advantages that a bullet curtain can be associated with a space, so that new audio and visual experience can be provided to the user.

The invention belongs to the technical field of shopping trolley lock equipment, and particularly provides an intelligent supermarket shopping trolley lock and a control system thereof. The lock mainly comprises an electronic lock shell, a shopping trolley lock two-dimensional code, a display screen, a chain lock insertion hole, a control chip, an insertion head, a chain, a mobile phone supermarket shopping APP and the like; information transmission between the mobile phone supermarket shopping APP and the control chip are achieved through wireless connection, so that the opening and closing of the shopping trolley lock can be controlled; and the intelligent supermarket shopping trolley lock controlled by using the mobile phone supermarket shopping APP comprises a code scanning verification module, a verification success unlocking shopping trolley module, a shopping completed locking shopping trolley module and a supermarket shopping credit record and a value-added service module. Theintelligent supermarket shopping trolley lock and the control system thereof have the advantages that the lock body is reasonable in structure, the principle is reliable, it is convenient and fast that the shopping trolley can be unlocked through the mobile phone APP, and the mobile phone supermarket shopping APP is provided with the functions of providing a series of services such as a supermarket map, goods positions, supermarket discounted goods, supermarket free shuttle bus situations and the like, thereby greatly satisfying the shopping needs of customers.

The invention discloses a charging pile of an electric automobile. The charging pile of the electric automobile comprises a wall top wall and a fixed seat inlaid in the wall top wall, a containing cavity is formed in the bottom of the interior of the fixed seat, a movable telescopic piece is arranged in the containing cavity, and an operating zone is arranged in the outer wall of the left side of the movable telescopic piece; a joint trough is formed in the position, on the right side of the operation zone, of the movable telescopic piece, a first cavity is formed in the position, on the right side of the joint trough, of the movable telescopic piece, a first separation plate is arranged between the first cavity and the joint trough, a second cavity is formed in the position, above the first cavity, of the movable telescopic piece, a first separation plate is arranged in the second cavity, and a movable protruding block is arranged in the position above the first separation plate, of the second cavity; and protruding blocks are arranged at the tops of the two sides of the movable protruding block, magnet bodies are arranged in the bottoms of the protruding blocks, electromagnetic coil devices are arranged at the positions, corresponding to the magnet bodies, of the top of the first separation plate, first springs are arranged between the electromagnetic coil devices and the magnet bodies, and the bottom of the movable protruding block penetrates through the first separation plate. The charging pile of the electric automobile is simple in structure, small in occupied area, and can prevent a charging gun head from being exposed externally to result in potential safety hazards.

The invention discloses a C / SiC ceramic matrix composite spring and a preparation method thereof. According to the spring, silicon carbide is used as a matrix, 30 to 45 volume percent of carbon fibers are used as a reinforced phase, and a SiC coating is deposited on the surface of the spring; and the rigidity of the spring is 3.5 to 8 N / mm at room temperature, and the retention rate of the rigidity in the air at the temperature of between 800 and 1,200 DEG C is 70 to 85 percent. The method for preparing the spring comprises the following steps of: impregnating, winding for forming, and crosslinking at the room temperature to obtain a spring prefabricated member; heating, so that a paraffin die is melted or is dissolved in water, sleeving the demolded spring prefabricated member on a graphite die, and cracking to obtain a spring rough blank; compacting repeatedly to obtain a semi-finished product of the spring; and performing surface antioxidation treatment through chemical vapor deposition. The preparation method is simple, low in requirement on equipment and short in period, the net forming of the product is realized, and the quality and performance of the product are high.

The invention relates to gypsum building materials, and particularly relates to a gypsum-based building material prepared from plant fibers for treating indoor formaldehyde and an application method thereof. The gypsum-based building material is formed by adding water to a mixture and then stirring the watered mixture, wherein the mixture is formed by mixing the following components by percent: 5-20% of semi-carbonization plant fiber, 30-70% of gypsum for buildings, 1-20% of semi-hydrated gypsum whisker, 1-20% of hydrated lime, 1-10% of white cement, 1-20% of expanded vermiculite, 0.1-1% of water reducing agent, 0.1-1% of retarder, 0.01-1% of thickening agent, 0.1-1% of antistatic agent and 0.1-1% of inorganic pigment, and the mass of the water accounts for 20-50% of the mass of the mixture. The utilization rate of wastes is realized; the prepared material has high formaldehyde adsorption property; the gypsum-based building material has the advantages of heat retaining property, good water resistance, small deformation, high mechanical strength, good decorative property and the like.

The invention relates to the technical field of robots, and discloses an intelligent robot gripper clamp comprising a main frame. A fixing seat is fixedly mounted at the top end of the main frame, a buckle ring is fixedly mounted at the top end of the fixing seat, two buckle plates are fixedly mounted on the left side and the right side of the buckle ring correspondingly, an image control system is fixedly mounted between the left side and the right side of the inner wall of the main frame, guiding rails are fixedly mounted on the left side and the right side of the main frame correspondingly,and the ends, away from the main frame, of the guiding rails are movably connected with sliding blocks correspondingly. According to the intelligent robot gripper clamp, the image control system is adopted to detect the lengths and sizes of workpieces, then the positions of the sliding blocks on the guiding rails are controlled according to the heights of the workpieces, the distance between twosupporting arms is adjusted through devices such as a hydraulic rod and a connecting rod according to the sizes of the workpieces, and thus the workpieces can be clamped more conveniently; and according to the intelligent robot gripper clamp, automatic and intelligent science and technology are embodied, and meanwhile, the workpieces with different specifications can also be clamped.

A method of polishing a semiconductor wafer using a holding system including a lined cutout the size of the semiconductor wafer that is fixed to a carrier. The method includes holding the semiconductor wafer in the cutout through adhesion of a first side of the semiconductor wafer to a bearing surface in the cutout and polishing a second side of the held semiconductor wafer using a polishing pad that is fixed on a polishing plate while introducing a polishing agent between the second side of the semiconductor wafer and the polishing pad, the polishing pad including fixedly bonded abrasive materials. The carrier is guided during polishing such that a portion of the second side of the semiconductor wafer temporarily projects beyond a lateral edge of a surface of the polishing pad.