260results about How to "Avoid crawling" patented technology

The invention relates to a method for constructing a webpage crawler based on the repeated removal of news, which comprises the following steps: constructing an analyzer for analyzing news webpages; constructing a news set; setting a threshold value of the similarity among the webpages; comparing the currently grabbed news webpage with the news set and judging whether the similarity is higher than the threshold value or not; if the similarity is lower than the threshold value, adding the current webpage into the news set; if the similarity is higher than the threshold value, discarding the news and grabbing the next webpage; grabbing a URL of the current webpage and judging whether the URL points at the news webpage or not, if so, judging whether the URL is accessed or not; otherwise, discarding; if the URL is accessed, discarding the URL; if the URL is not accessed, storing the URL into a queue to be accessed; sequentially extracting the URL from the queue to be accessed to access; and repeatedly executing the steps. The invention has the advantages of high algorithm efficiency, less resource waste and convenient data maintenance and prevents from grabbing the webpage with repeated content.

The invention discloses a method for designing a composite micro-texturing guide rail. In the invention, orderly distributed composite micro textures are initiatively processed on a working surface of the guide rail by laser, and the geometrical parameters of the composite micro textures that diameters d of recesses are equal to 100 microns to 500 microns, depths h of the recesses are equal to 1 micron to 50 microns, diameters D of raised shoulders are equal to 50 microns to 450 microns, heights H of the raised shoulders are equal to 1 micron to 70 microns, and diameters of micro bump texture flat tops are equal to 5 micron to 550 microns, area ratio is 15%-65% and interval S is equal to 200 microns to1500 microns. According to the invention, dynamic friction and static friction on surface of the guide rail can be balanced, creeping phenomenon can be inhibited effectively, service life is prolonged obviously, and stability and machining quality are improved.

The invention provides a site content pickup-preventing method. The site content pickup-preventing method comprises the following steps: firstly, establishing a pickup-judging rule; secondly, acquiring client-side information by a WEB server side, and transferring the acquired client-side information to a pickup-preventing system server; thirdly, verifying the client-side information transferred by the WEB server side by the pickup-preventing system server; fourthly, returning a verifying identification result to the WEB server side; and finally, determining whether to execute data query on a request page or output a prompt of access rejection by the WEB server side. By the site content pickup-preventing method, through strict establishment of a verification process, pickup of site data is effectively prevented by verifying the request of a client side; and besides the verification process, a periodical automatic updating mechanism is established, data in both a blacklist table and a client state table is ensured to be updated in real time and the operation of the whole process is more effectively and stably ensured.

The invention discloses a numberical control hobbing machine with zero transmission, which comprises a machine body, a main shaft system, a hobbing cutter feeding and angle adjusting system and a control system; the main shaft system comprises a functional part of a hobbing cutter main shaft and a functional part of work-piece main shaft part; the functional part of the hobbing cutter main shaft is an integration of the rotator of the servo motor I and the hobbing cutter main shaft, and the functional part of the work-piece main shaft is an integration of the rotator of the servo motor II and the work-piece main shaft. The numberical control hobbing machine of the invention can remove the manufacturing errors of transmission component of generating motion and the influence on gear process caused by space and assembly error, is able to greatly improve process accuracy and process speed of machine tool. The numberical control hobbing machine of the invention has simple structure, is able to improve overall rigidity of machine tool, solves the wearing problem caused by mechanical transmission chain, improves the retentivity of precision, causes the hobbing speed to be higher than the numberical control hobbing machine with traditional structure, shortens milling time as well as based on which, the hobbing machine is provided with the machine tool conditions required by dry type hobbing through adopting a series of matching technical measures.

The invention provides an identity verification method and an identity verification device. The identity verification method comprises the steps of after an identity verification request based on a user account is received, selecting a plurality of first verification problems of which the current states are available in a verification problem database; transmitting the plurality of first verification problems, correct answers and interference answers of the plurality of first verification problems to a user; receiving a plurality of selection results which are returned from the user and correspond with the plurality of first verification problems; and in the plurality of selection results, if the number of correct answers of the corresponding first verification problems in the selection results reach a preset number, confirming a fact that the user identity is valid. The identity verification method and the identity verification device have advantages of reducing data leakage risk, preventing acquisition of user logging-on information by a hacker in manners of crawling verification problems and corresponding answer items and performing enumeration attack.

The invention discloses a one-way proportional flow valve which comprises a main valve body, a one-way proportional throttle valve and a pressure-compensated valve. The main valve body is provided with mounting holes in advance, and the one-way proportional throttle valve and the pressure compensating valve are arranged in the main valve body in a series connection mode through the mounting holes. The one-way proportional throttle valve comprises a proportion electro-magnet, a pilot control assembly and a one-way throttle valve body. The proportion electro-magnet is connected with the one-way throttle valve body through the pilot control assembly, and used for controlling the opening and closing of a pilot valve element in the pilot control assembly and the opening and closing of a main valve element in the one-way throttle valve body through electromagnetic force. The one-way proportional flow valve has the advantages that manual control is replaced by electrical signal control to realize automatic control, remote control and program control, simplify a system, reduce the number of components for use and prevent the creeping phenomenon caused by load changes, and the one-way proportional flow valve can also be used on occasions with a high requirement for synchronization.

The invention discloses a buffering oil cylinder and relates to the technical field of hydraulic oil cylinders. The buffering oil cylinder comprises a cylinder barrel, a cylinder cover, a piston and a piston rod, wherein the piston rod is sleeved by a buffering sleeve, the buffering sleeve is in clearance fit with the piston rod, and the buffering sleeve is in clearance fit with a buffering hole formed in the cylinder cover. A rod cavity is communicated with an oil return opening formed in a cylinder body through the buffering hole, the two ends of the buffering sleeve are respectively in butt joint with a shoulder of the piston and a shoulder of the piston rod, a plurality of first oil channels are formed in two end faces of the buffering sleeve, a conical inclined guide face is arranged at one end, adjacently connected with one end of the rod cavity, of the buffering hole, an annular ditch is formed in the inner wall of the buffering sleeve in the peripheral direction, a buffering ring capable of moving in the annular ditch in the axial direction is arranged in the annular ditch, the gap between the buffering ring and the piston rod is smaller than the gap between the buffering sleeve and the piston rod, and a plurality of second oil channels are formed in a rear end face, facing the piston, of the buffering ring. The buffering oil cylinder solves the problems that an existing buffering oil cylinder is prone to being blocked in a buffering process, large in pressure impact and prone to vibrating and crawling in a starting process.

A bed covering apparatus that prevents bed bugs from intrusion to an enclosed sleeping area, wherein the bed covering apparatus has a net for exclusion of insects, and also contains at least one slippery section to which bed bugs cannot adhere, thereby causing the bed bugs to fall from the netted sleeping area before they have an opportunity to enter the sleeping enclosure.

The invention discloses an intelligent storage device and storage system. The system comprises the intelligent storage device and an intelligent mobile terminal, wherein the intelligent mobile terminal is in a wireless communication connection with the intelligent storage device; a wireless intelligent device in the intelligent storage device comprises a microcontroller, a charging device, a wireless device, a buzzing alarm device, a light emitting device, a temperature sensor, a humidity sensor and a light ray sensor; the intelligent mobile terminal further comprises an inquiry and information processing device; the inquiry and information processing device comprises a voice recognition device and an image recognition device. By adopting the system, intelligent information acquisition, management, lookup and sharing of articles in a storage device is realized, and intelligent sensing and alarming of temperature and humidity monitoring in the storage device are realized. By adopting the intelligent storage device, intelligent storage of traditional household articles and placement of the articles into apparatuses can be realized, and true intelligent home is realized.

The invention discloses a low-vibration and low-temperature magnetic field measurement device based on GM refrigerator cooling. The device is characterized by comprising a refrigerator cavity (6) withone refrigerating cavity gas inlet (30) and a refrigerating cavity liquid outlet (9) and one matched GM refrigerator (4), wherein the cold head of the GM refrigerator (4) is inserted into the refrigerator cavity (6), and the GM refrigerator (4) is connected with the upper edge of the refrigerator cavity (6) through a damping bellows (5) and is fixed on a support beam (56) through a refrigerator damper (53). The device can effectively reduce influence of vibration of the GM refrigerator on sample testing; and a sample testing cavity is connected with a low-temperature superconducting magnet through thermal-insulating rigid connection, a sample testing rod is connected with the sample testing cavity through a cavity flange, relative motion between a sample and the low-temperature superconducting magnet is avoided, and influences of vibration on testing are avoided.

The invention provides a noise reduction type building indoor floor drain based on fan-shaped flow guide, and relates to the technical field of building floor drains. The noise reduction type buildingindoor floor drain based on fan-shaped flow guide comprises a water outlet, wherein a housing is arranged at the top of the water outlet; the center of the interior of the housing is slidably connected with a lifting rod through a mounting rod; a limiting seat is fixedly mounted on the periphery of the lifting rod; a spring is fixedly mounted at the top end of the limiting seat; a mounting seat is fixedly mounted on the periphery of the lifting rod; and the periphery of the mounting seat is rotationally connected with a connecting rod. According to the noise reduction type building indoor floor drain based on fan-shaped flow guide, impurities can be filtered for the second time, so that the blockage of a pipeline is avoided, water flow can flow downwards from the pipe wall, the noise generated when the water flow flows is reduced, and the living comfort is improved; and when no water flow passes through, the pipeline can be blocked, so that the deodorization effect is better achieved,and the floor drain is convenient to disassemble and clean.

The invention discloses a planar maglev linear-motion platform device with two-dimensional large stoke. Each electromagnetic bearing of the device consists of two differential driving electromagnets and is used for controlling current in coils to enable a maglev operation platform to suspend stably under the action of electromagnetic force and in no mechanical contact with a bearing block and a linear driving system. The platform and a linear motor driving unit are mutually independent, and two horizontally perpendicular linear motors drive the maglev platform in planar two-dimensional linear motion under the action of non-contact electromagnetic force of lateral guide suspended electromagnets. Two lateral linear guide and driving mechanisms of the maglev platform are completely identical in structure, and each guide mechanism consists of two electromagnetic bearings and mechanical rolling bearings. The two guide mechanisms are not in coupling relation, when the platform moves at high acceleration, the rigid rolling bearings assist in guiding and drive the maglev operation platform, and when the platform is in stable state and requires small driving force, the flexible electromagnetic bearings can directly drive the maglev operation platform.

The invention provides a Dump file capture method and device and equipment. The method comprises the steps that S1, when a pre-created monitoring process receives an abnormal crash signal of a to-be-monitored program, a Dump file is created in the monitoring process; S2, crash data of the to-be-monitored program is read according to the ID of the to-be-monitored program in the monitoring process,and the crash data is saved into a memory through a predefined processing function; and S3, a writing function corresponding to the Dump file is called in the monitoring process to write the crash data into the Dump file. According to the Dump file capture method and device and the equipment, a crash spot of the to-be-monitored program is captured through the pre-created monitoring process, the Dump file is generated, in-process capture of the to-be-monitored program is avoided, and the completeness and correctness of the Dump file are improved.

The invention discloses a safe and reliable derrick lifting multistage cylinder which comprises a cylinder body, a first-stage piston rod, a second-stage piston rod and a third-stage piston rod, wherein a first rod cavity, a second rod cavity and a third rod cavity are formed; a rodless cavity is formed inside the third-stage piston rod; a piston is assembled at the rear end of the third-stage piston rod; the multistage cylinder further comprises a first-stage guiding sleeve, a second-stage guiding sleeve and a third-stage guiding sleeve; an exhaust port is formed in each guiding sleeve; the front end of the third-stage piston rod is connected with a rod head; a first-stage oil hole is formed in the rear portion of the first-stage piston rod; a second-stage oil hole is formed in the rear portion of the second-stage piston rod; a third-stage oil hole is formed in the rear portion of the third-stage piston rod; both the first-stage oil hole and the second-stage oil hole are stepped holes; a first oil port and a second oil port are formed in the rod head; the first oil hole is connected with an oil pipe; the oil pipe is communicated with the third rod cavity; and the second oil port is communicated with the rodless cavity. According to the safe and reliable derrick lifting multistage cylinder, the structure is reasonable, the stroke is large, the performance is stable, and the cylinder is safe and reliable.

The invention discloses a system for acquiring intelligent network information based on WEB contents and structure mining. The system comprises a protocol processor, a webpage mark extractor connected with the protocol processor, a URL processor, a leading edge analyzer connected with the URL processor, and a URL database connected with the webpage mark extractor, and also comprises an acquisition monitor connected with the URL database. The system uses Web contents and a hyperlink structure to analyze, to determine correlation of a webpage and a leisure travelling field, so as to determine sequence of acquisition, and realize acquisition of intelligent network information. The invention also discloses an acquisition method. The method comprises: extracting metadata in a webpage; when detecting a new URL link, analyzing the correlation of the new URL which is detected in the webpage and an acquisition theme, to generate a to-be-accessed URL list; in an acquisition process, monitoring multi-thread acquisition process, and through evaluating the acquisition process, optimizing the acquisition, so as to greatly improve recognition rate of related webpage, and optimize the whole acquisition process.

The invention relates to a bird repelling device, and in particular relates to a bird repelling device used for a garden seedling-raising field. The technical problem to be solved by the invention isto provide the bird repelling device used for the garden seedling-raising field with two-pronged functions of a remarkable bird-repelling effect and a plurality of bird repelling manner. In order to solve the above technical problem, the invention provides the bird repelling device for the garden seedling-raising field. The device comprises a mounting plate, a connecting rod and the like; and first supports are symmetrically arranged on the left and right sides of the top of the mounting plate, the tops of the first supports arranged on the left and right sides are provided with a supporting plate, the bottom of the supporting plate is provided with a first groove, the first groove is located between the first supports arranged on the left and right sides, second grooves are symmetricallyarranged in the left and right walls of the interior of the first groove arranged at the bottom of the supporting plate, and a rotating mechanism is arranged in the middle of the top of the mounting plate. The device provided by the invention achieves the two-pronged functions of the remarkable bird-repelling effect and the plurality of bird repelling manners, a controller can control a battery touse electric energy to start and operate a motor, and a box body can protect the battery and the controller from being damaged by wind and rain.

The invention discloses a rural resident plant material thermal-insulating composite wall body and an anti-worm-damage method thereof, which relate to a composite wall body and an anti-worm-damage method thereof and are used for solving the problems of poor thermal-insulating effect on the wall body and reduction in the structural safety and durability of the wall body caused by damping and worm damage of the conventional rural resident plant material thermal-insulating composite wall body. A plant material thermal-insulating layer is a plant plate formed by extruding a plant material; an air layer is formed between an outdoor brick wall layer and the plant material thermal-insulating layer; the outdoor brick wall layer is provided with a plurality of ventilation through holes along a thickness direction; a ventilation pipe is arranged in each ventilation through hole; the two ends of the ventilation pipes are provided with metal nets; one outdoor end of each ventilation pipe is lower than the other end of the ventilation pipe; in the plant material thermal-insulating layer, quicklime is uniformly added into a forwardly-extruded plant material; and the quicklime accounts for 2-10 percent by volume of the plant material. The rural resident plant material thermal-insulating composite wall body is applied to damp prevention and worm damage prevention of composite wall bodies.

The invention discloses a virtual intermediate number privacy protection system, which belongs to the technical field of number protection and comprises a mapping module, a virtual number management platform and a recording module. The method is wide in application field, is suitable for taxi taking travel, express logistics, installation and maintenance services, intermediary services, consultation industries, classification information platforms and the like, can protect the privacy of users of two parties, and can prevent the information from being captured. The whole conversation process is recorded and retained, the intelligent quality inspection technology is combined, the whole-process supervision of the service industry quality can be realized, the complaint problem can be traced back, improvement guidance can be carried out for the problem in the service process, and the service level of service personnel can be improved; an intelligent distribution strategy of incoming call service and incoming calls of different scenes are supported, and an incoming call scheduling distribution strategy is customized according to a service scene; more complex service scenes such as self-service voice notification, incoming call notification reminding, identity authentication and the like can be realized in combination with an intelligent voice technology.

The invention provides a convex aspheric optical element surface type detection device, relating to an optical element detection device. The convex aspheric optical element surface type detection device is provided with a light source, a reflecting mirror, a receiving mirror, a detection platform, a lifting platform and an analytical processing system, wherein the reflecting mirror is arranged in front of the light beam of the light source, the detection platform is arranged in front of the reflecting mirror, the receiving mirror is arranged in front of an optical element, and the analytic processing system is arranged in front of the receiving mirror; the detection platform is sequentially provided with a vertical moving mechanism, a swinging mechanism and a revolving mechanism from bottom to top; the vertical moving mechanism is provided with a base, a first bearing oil chamber, a lifting rod, a lead screw motor, a connecting plate, a fine tuning wedge block and a limit slot; the swinging mechanism is provided with a third bearing oil chamber, a static pressure thrust bearing, a rotating shaft, a C-shaft operating platform, a swinging platform and a servo motor; and the revolving mechanism is provided with a motor and an A-shaft operation platform. The convex aspheric optical element surface type detection device provided by the invention has a simple structure, no mechanical efficiency loss and high output torque, and high positioning accuracy, high dynamic response and low noise can be realized. The convex aspheric optical element surface type detection device provided by the invention has the characteristics of high bearing capacity, high rotary precision, long service life and small homogenization error.

An embodiment of the invention provides an Enriched URL (uniform resource locator) recognition method and apparatus. The method comprises the steps of: extracting one or more URLs; selecting candidate URLs from the one or more URLs; correlating each candidate URL with each anchor text; calculating the similarity of the anchor texts; and identifying an enriched URL from the candidate URLs according to the similarity. According to the embodiment of the invention, a search engine can be prevented from grabbing spam and repeated web pages during web page grabbing, so that the bandwidth waste during grabbing is greatly reduced; as the grabbing amount is reduced, the burden of the search engine is reduced; and meanwhile, the search engine can additionally grab other good-quality web pages, so that the coverage rate of the search engine during web page including is increased and the timeliness of the search engine during web page including is improved.

The invention belongs to the technical field of plant deep processing and provides a Hibiseu Smanihot L. adhesive base material and plasters or ointments prepared from the same, aiming to solve the problems that existing Hibiseu Smanihot L. planting areas are enlarged, but the Hibiseu Smanihot L. utilization rate is low and most Hibiseu Smanihot L. is discarded as waste. The Hibiseu Smanihot L. adhesive base material is prepared by mixing whole plant Hibiseu Smanihot L. powder with corn stalk cob powder according to a certain proportion. The base material is mixed with liquid medicine, water or vinegar to prepare medical plasters, medical wound plasters or ointments, pesticide ointments, and the like. The Hibiseu Smanihot L. adhesive base material, the plasters and the ointments have the beneficial effects that the plasters have strong water absorption, have the functions of diminishing inflammation, easing pain and improving local blood circulation and are beneficial to wound healing; the permeability of medicines is improved; the ointments can achieve the effects of cooling, preventing heatstroke and restoring consciousness and refreshing; the pesticide ointments can prevent pests from crawling onto plants and can also prevent insect damage; the root, stem and leaves of Hibiseu Smanihot L. are effectively utilized, thus turning waste into wealth, reducing pollution, effectively and reasonably utilizing the waste and giving full play to the medicinal value and physicochemical properties of Hibiseu Smanihot L.; and therefore Hibiseu Smanihot L. has important economic and social benefits.