271results about How to "Free access" patented technology

An objective is to provide a key management apparatus in a document security and editing system that controls and manages the usage rights of a document, allows a user with usage rights to read and edit freely according to user qualification, and manages the usage rights in compliance with document management rules established by an organization. The key management apparatus includes an encryption key memory 11 that stores an encrypted document identifier of an encrypted document and an encryption key of the encrypted document; a usage rights set memory 13b that stores the encrypted document identifier and usage rights; a user group determiner 18b that determines the usage rights of a user; a usage rights issuer 16 that receives a read request using the encrypted document identifier, refers to the encryption key memory and the usage rights set memory, and sends the usage rights and the encryption key of the encrypted document; and an encryption information issuer 17 that receives an edit request, refers to the encryption key memory and the usage rights set memory, instructs to generate an identifier of a document to be encrypted and a encryption key of the document to be encrypted, and sends the generated identifier and the generated encryption key.

A speculum for performing gynecological procedures. The speculum includes a first structure, which includes a fixed blade member, a second structure, which includes a movable blade member, and a third structure to join the first and second structures together. The first structure includes a light source holder for an associated light source. The speculum includes a hinge, which may be located on either side of the speculum. These features facilitate improved visualization of, and access to, the genital tract. Such enhanced visualization and access reduces the likelihood of patient discomfort. The fixed blade member and the second blade member may be formed with cutaways to enhance visibility and instrument placement through the speculum.

The invention relates to a restrictive region permission authentication device based on visible optical communication. The device comprises an LED (Light Emitting Diode) controller, a photoelectric receiver, a safety management host and a user host. The LED controller is connected with the safety management host. The photoelectric receiver is connected with the user host. A file encryption methodcomprises the following steps of: 1, numbering files in a unified manner through a file permission management program, hiding in ciphertexts of the files, and distributing to users; 2, numbering fileusers in a unified manner through the file permission management program, and correspondingly establishing a permission database according to user permissions and numbers of the encrypted files; 3, encrypting information and secret keys in the permission database through the file permission management program, and broadcasting the information in a restrictive region through interface equipment; 4, decrypting the permission information and the secrete keys through a file permission service program, and inquiring the user permissions with input user numbers; and 5, regularly executing the step 3 according to application environment requirements, and updating the permission information and the secrete keys till the system stops working.

The invention discloses a system for information collection processing and retrieving, which comprises a strategy managing module which allocates and manages the grasp strategy and the mode setting of a data mining processing module; the data mining processing module which searches according to the internet resources, saves the grasped data, extracts the valid information after identification to sieve, and writes the kept information into an information database for saving; a retrieving model which processes the information in the information database, generates the abstract information, classifies the information and constructs an index base; the information database which stors the information delivered by the data mining processing module and the returned information written by the retrieval module, and provides to a browsing and retrieving interface for retrieval; the browsing and retrieving interface which receives user query requests and retrieves via the information database. The system is able to collect information comprehensively and timely, implement automatically the subsequent processing treatment of the information, and retrieve and browse centrally.

The invention relates to a roadside parking device without road occupancy, which is characterized in that a lifting parking platform is movably arranged on a single column provided with a vertical guide rail face and driven by a screw rod / nut combined or gear / rack combined lifting device and does a vertical lifting motion along the guide rail face of the column. By adopting the basic structures of single column support and vertical lifting of the parking platform, parking positions can be increased by smartly utilizing greenbelt spaces at roadsides of narrow streets and residential areas and around houses and the like, therefore, the parking without road occupancy is realized, the contradictions of roadside parking and road smoothness as well as the struggle for land with parking and greening are resolved, the dew absorption of plants at night can not be influenced, the adverse influence on the normal greening growth can not be brought, the high-suspension parking security is good, and scratching and stolen damages can be greatly reduced. The threaded-fit screw rod / nut lifting device not only has simple lifting structure and low cost, but also has good parking safety supportability. The parking device has simple structure, low cost and convenient setting.

The invention discloses an organosilicon concrete protective agent and a preparation method. The organosilicon concrete protective agent comprises the main compositions in percent by volume: 50-60% of an alkyl alkoxy silane, 5-10% of terminal-substituted polydimethylsiloxane, 3-5% of an emulsifier, 0.05-1% of a catalyst, 5-10% of a solvent and 20-30% of water. The protective agent is prepared by uniformly mixing the alkyl alkoxy silane, terminal-substituted polydimethylsiloxane and the emulsifier in the organic solvent at room temperature, then adding the catalyst to perform a uniform reaction, then dropwise adding the completely-reacted oil phase system into deionized water, and performing high-speed shearing for obtaining a paste. The preparation method is simple, the coating operation is simple, the cost is low, when the concrete surface is coated with the organosilicon concrete protective agent, a layer of a hydrophobic film is formed along the aperture inner walls of concrete, so that freeze-thaw cycle, chloride ion erosion and the like can be prevented, and the organosilicon concrete protective agent is applicable to facilities such as highways, bridges, tunnels, seaport wharfs, airports and the like, and is applicable to industrialized production.

The invention relates to preparation methods of porous carbon from towel gourd vegetable sponge and a composite material of the porous carbon and application of the porous carbon and the composite material in supercapacitor electrode materials. The method for preparing the porous carbon comprises the following steps: (1) washing the towel gourd vegetable sponge, and performing carbonization heat treatment in an atmosphere containing NH3 at a proper temperature; (2) mixing the carbonized product and KOH in a proper proportion, and activating in N2 at the temperature of 750 DEG C. The inner diameter of pore passages of the prepared porous carbon is between 1mu m and 15mu m, the pore wall thickness is between 0.3mu m and 1mu m, and the activated specific surface area can be 1510m<2> / g. The method for preparing the composite material comprises the following steps: reacting the porous carbon with a KMnO4 solution, and growing MnO2 nanosheets, thereby obtaining a porous carbon / MnO2 composite material; or reacting the porous carbon with aniline to obtain a porous carbon / aniline composite material. When serving as the supercapacitor electrode materials, the prepared porous carbon and the composite material thereof have more excellent performance and favorable application prospect compared with a conventional carbon material.

The present invention provides one kind of double layer cartilage tissue engineering rack comprising one compact layer and one loose layer communicated each other. The rack has excellent biological performance, sufficient cell tissue holding space, certain blocking effect and capacity to allow nutritious matters to pass through freely. It is used in repairing human body's cartilage tissue and constructing extracorporeal cartilage tissue. It is made through preparing solution of different concentrations with acid extracted collagen, freeze drying to obtain collagen sponge, flattening, injecting collagen solution of different concentration, and drying for the second time to obtain the double layer cartilage tissue engineering rack. The rack has the pore size controlled through controlling the concentration of the solution.

The invention relates to an automatic coconut cutting machine. The automatic coconut cutting machine is characterized by comprising a rotary worktable, wherein on the worktable, a plurality of mechanical hands are uniformly distributed on a line of equal circles which take the center of the worktable as the center of the circle; each of the mechanical hands comprises an arm, a palm and fingers; the arm vertically passes through the worktable; three to four fingers are connected with the palm by a pin which is sleeved with a torsion spring; a retractable driving device is arranged below the worktable corresponding to the mechanical hands; movable parts of the retractable driving device can be contacted with the arm and drive the arm to move up and down; a support is arranged above the worktable corresponding to the mechanical hands; a hollow rotating shaft is vertically arranged on the support; the hollow rotating shaft is driven by a motor; a lower end of the hollow rotating shaft is connected with a cylinder saw; and the cylinder saw corresponds to the direction in which the medical hands are extended. A pressing sleeve and an ejector rod also can be arranged on the support. The automatic coconut cutting machine can freely cut coconuts with any size and is safe and sanitary, and greatly improves the production efficiency.

The embodiment of the invention provides a method, equipment and a system for accessing private services of an operator. First network equipment in a local area network filters out access requests for the private services, which are sent by a terminal, according to target addresses and / or port number information of the private services, which is configured for the first network equipment; the access requests are forwarded to second network equipment of an operator network; the second network equipment determines whether the terminal is a legal terminal which passes authentication of the local area network according to terminal authentication information of a first authentication server which takes charge of carrying out access authentication on the local area network; and the access requests of the legal terminal are forwarded to the private services. According to the invention, free access of the legal terminal which passes access authentication of the local area network to the private services can be implemented; and moreover, the method, the equipment and the system can be generally suitable for any existing stock terminal.

The invention discloses a mechanical arm. The mechanical arm comprises a base, a driving device, a rotating mechanism, a telescopic mechanism and a material taking device, wherein the driving device, the rotating mechanism, the telescopic mechanism and the material taking device are arranged on the base. The driving device is connected with the rotating mechanism and used for driving the rotating mechanism to rotate. The telescopic mechanism is connected with the rotating mechanism and driven by the rotating mechanism to rotate. The telescopic mechanism is connected with the material taking device. The telescopic mechanism comprises at least one mechanical arm body, sliding boards and mechanical arm installation bases connected with the rotating mechanism, wherein the sliding boards correspond to the mechanical arm bodies one to one. The mechanism arm bodies are connected with the mechanical arm installation bases through the sliding boards. The sliding boards are controlled to slide by a drive part. The mechanical arm is capable of automatically taking and placing materials, easy and convenient to operate, high in production efficiency, wide in machining range and large in telescopic range.

The invention relates to a pneumatic spring (1) comprising a roll bellow (3) which is secured to an unrolling tube (7) and which forms a spring space therewith (9). The unrolling tube (7) is connected to a base part (11) by means of a ball joint (13) which comprises a spherical bearing element (15) contained in the bearing shell. The bearing shell (17) can be adjusted in relation to the spherical bearing element (15) by means of a clamping element (25).

The invention discloses a card application access method and device. The method comprises the following steps: receiving an access request of a first card application, wherein the access request comprises an application identifier (AID) of the first card application; sending the access request to a first profile which is activated currently in an embedded subscriber identity module; and receiving a result which indicates an access failure and is sent by the embedded subscriber identity module, activating a second profile corresponding to the AID of the first card application if a one-to-one corresponding relationship of profiles corresponding to the AID of the first card application is stored in a pre-stored query list, and accessing the first card application. Through adoption of the card application access method and device provided by the invention, a judgment on whether the one-to-one corresponding relationship of the profiles corresponding to the AID of the first card application is stored in the pre-stored query list or not is made, and the second profile corresponding to the AID of the first card application is activated if a judgment result is positive, so that a terminal can freely access the card applications of all operators in a card.

Embodiments of the present invention provide a method, system and computer program product for the data splitting of recursive data structures. In one embodiment of the invention, a method for data splitting recursive data structures can be provided. The method can include identifying data objects of a recursive data structure type, such as a linked list, within source code, the recursive data structure type defining multiple different data fields. The method further can include grouping the data objects into some memory pool units, each of which can contain the same number of data objects. Each memory pool unit can be seen as an array of data objects. The method can include data splitting, which could be maximal array splitting in each different memory pool unit. Finally, the method can include three different approaches, including field padding, field padding and field splitting, to handle irregular field sizes in the data structure.

The invention provides an automatic charger for an electric vehicle, belonging to the technical field of electric vehicle charging. The automatic charger for the electric vehicle comprises a support table and a charging gun arranged on the support table and matched with an electric vehicle interface, a first platform and a second platform are fixed on the support table, the electric vehicle is located between the first platform and the second platform, the first platform and the second platform are provided with a positioning structure capable of locking the position of the electric vehicle, the positioning structure comprises a first motor, a second motor, a first baffle and a second baffle; an adjusting mechanism capable of driving the charging gun to adjust the position is arranged on the first platform, the adjusting mechanism comprises an X-axis moving plate, a Y-axis moving plate, a Z-axis moving plate, a third motor, a fourth motor, a fifth motor and a sixth motor; and the charging gun is provided with a first mounting groove and a second mounting groove, and the electric vehicle interface is provided with a first butt hole and a second butt hole. The invention can more safely and conveniently realize the butting of the electric vehicle interface and the charging gun.

The invention concerns a clamping device for processing, in particular welding, of work pieces. It is the task of the invention to develop a device for processing work pieces, of which the clamp technique enables a high processing quality and, with respect to the work piece geometry, enables a high flexibility of the process. According to the invention, the clamp device for processing of work pieces comprises at least one first clamp element and at least one second clamp element, between which a work piece is held, wherein a tool is movable relative to the work piece, wherein the first clamp element is in the form of a clamp finger (1, 24) and engages on the side of the work piece (3) which is the side upon which the tool (5) acts, and further, that the second clamp element is in the form of a clamp roller (2) and lies against the work piece (4) on the side opposite to the tool (5).

The present invention concerns improved laryngoscope blades, particularly for use in the intubation of patients, for example orotracheal and nasotracheal intubation, and which allow viewing of a portion of the mouth, the pharynx, and the larynx of a patient, and depress the tongue and the structures of the floor of the mouth in order to prevent the tongue of the patient from obstructing the view during examination.

The present invention relates to a meat product phosphorus-free water-retaining agent and a use method thereof. The phosphate-free water-retaining agent comprises 3-5 parts of dicarbonate, 20-30 parts of glycerin, 10-20 parts of monosaccharide and / or sugar alcohol thereof, 5-10 parts of edible gums, 5-10 parts of soybean phospholipids and water as the rest. The use method of the phosphate-free water-retaining agent is as follows: firstly conducting forward direction salt penetration to pickle the meat into dried meat and then soaking the dried meat in the phosphate-free water-retaining agent to conduct reverse direction penetration. The use method of the phosphate-free water-retaining agent enables the enhanced penetration capacity of the water locking substances in the phosphate-free water-retaining agent, and improves the water locking effects of the phosphate-free water-retaining agent within the meat cells.

The invention discloses a wind prevention, sand fixation and water retention afforestation method and belongs to the technical field of environmental protection engineering. The method comprises steps as follows: a curing agent is prepared from sodium carboxymethylcellulose, anionic polyacrylamide, ferrous chloride and water; the curing agent and sand are blended to form cured sand; deep holes for tree planting and shallow trenches for grass planting are dug in the sand land, water collecting hoppers are drilled in the deep holes, the deep holes and the shallow trenches are filled with the cured sand, and the cured sand form deep hole sand fixation and water absorption layers in the deep holes and form shallow trench sand fixation and water absorption layers in the shallow trenches; saplings are planted in the deep holes, the roots of the saplings extend into the mouth parts of the water collecting hoppers, and grass seeds are scattered in the deep holes and the shallow trenches; the grass seeds are covered with a mulching film for maintenance, and small ventilation holes are formed in the mulching film. The curing agent and the sand soil are blended, inside gaps of soil particles can be filled with the blended curing agent and sand soil, the cured sand particles don't easily disperse and jump, sufficient water can be continuously provided for plants, and the long-time wind prevention, sand fixation and water retention effects are achieved.

A bioactive filter is provided which comprises a transparent canister having gas permeable membranes as entry and exit ports. A source of carbon dioxide in gaseous form is allowed to enter the entry membrane and pass through a solution contained in the canister which supports a live colony of algae. The algae carries out photosynthesis thereby altering the carbon dioxide to oxygen and sugar. The oxygen is released through the exit port.

A system for registering a patient's body part in a medical workspace of a medical navigation system is provided, wherein the body part is supported by at least one support device. The system includes a medical navigation system including a processor and memory, a reference device coupled to the at least one support device, a tracking device communicatively coupled to the medical navigation system and operative to determine a position of the reference device; an x-ray or fluoroscopic apparatus for capturing x-ray or fluoroscopic images of the body part; and logic stored in memory and executable by the processor. The logic includes logic that eliminates an effect of image artefacts on registration of the body part, wherein the artefacts are caused by the at least one support device.

The invention relates to a storage system (1) with a storage region (2, 3), in which storage material may be stored, with an access region (16), physically removed from the storage system, in which access to the storage material for deposition or withdrawal of storage material (4) can be achieved, and a transport means (11), by means of which the storage material can be transported between the access region (16) and storage region (2, 3). According to the invention, an unauthorised removal of storage material may be prevented, whereby an access control system is provided, by means of which access to the storage material support (6, 7) in the access region (16) is permitted or blocked depending on an access authorisation of the user.

The invention provides a black rice anthocyanin extracting method. The black rice anthocyanin extracting method specifically comprises the following steps: taking a black rice grain as a material, preprocessing the black rice grain, coarsely extracting the anthocyanin in the black rice grain, and then sequentially perform ultrafiltration, nanofiltration, macroporous resin adsorption, ethyl alcohol elution, secondary nanofiltration, and freeze-drying in vacuum to obtain a freeze-dried powder of the black rice anthocyanin. The black rice anthocyanin extracting method provided by the invention is good in selectivity; impurities of polysaccharide, organic acids, proteins and the like in the black rice anthocyanin can be effectively separated; the extracting rate is high, the product quality is high, even trace of the black rice anthocyanin is also extracted, the extracting speed is high, the operation is simple, and the discharge of effluent is low.

The invention relates to a fiber screen bag and a method for rapidly determining coarse fibers. After special fibers are used for making a screen with pore diameter being 25.0mum, a sample is put into a screen bag with certain size and is respectively boiled in acid and alkaline for 40min, then the sample is washed clean, dried and weighed and the content of the coarse fibers can be calculated by subtracting the weight of ash. The fiber screen bag and the method can be used by scientific research institutions, analysis and detection institutions, feed plants and the like to rapidly determine the content of the coarse fibers of feed, grains, oil and food on a large scale, and can also be used for rapidly determining neutral detergent fibers (NDF), acid detergent fibers (ADF), celluloses, hemicelluloses, dietary insoluble fibers, lignin and the like on a large scale. Compared with the traditional national standard method, the method has the advantages that the method is suitable for large-scale rapid determination, the efficiency is high, the time is short, the precision and the accuracy are high, the cost is low, and equipment such as any fiber determination instrument, filter and suction filtration devices and the like are not required. The fiber screen bag has the advantages that the bag is not floated, the weight is not lost, the moisture is not absorbed, the bag is not broken, the ash does not exist and the like when solvents such as acid, alkaline, acetone and the like are used for treatment.

The hand-held device integrating computer and cell phone and a method for realizing the same. The hand-held device includes: a computer mode processing module; a cell phone mode processing module; a shared storing module connected both to the computer mode processing module and cell phone mode processing module; a shared processing module connected to all of the computer mode processing module, cell phone mode processing module and shared storing module for responding to the selection of the user and enabling the computer mode processing module or cell phone mode processing module; and a power supply module for supplying working power to the computer mode processing module, cell phone mode processing module, shared processing module or shared storing module. By this way, the computer and cell phone are combined together to form a hand-held terminal device capable of being received into a pocket.

The invention discloses a preparation method of a low-carbon alkane dehydrogenation catalyst. The preparation method includes: (1), preparing Pt-Sn impregnation liquid: taking a proper amount of soluble salt of platinum, dissolving in deionized water, adding soluble salt of tin into a solution, stirring well, adding a proper amount of EDTA into the solution, and stirring well to obtain the Pt-Sn impregnation liquid; (2), using the impregnation liquid obtained in the step (1) to impregnate a carrier, drying, roasting, and loading second auxiliary metal onto the carrier to obtain the final catalyst. Pt and Sn are loaded on the surface of the carrier through a complexing co-impregnation method, so that the catalyst still can maintain high activity when carbon deposit amount is large, one-wayrunning period of the catalyst is prolonged, and device operating cost is lowered.