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346results about How to "Avoid quality problems" patented technology

Quick topographic map making method based on database driving

InactiveCN102799702AFlexible and personalized mapping serviceFlexible Mapping ServicesSpecial data processing applicationsIntegrated databaseLandform
The invention provides a quick topographic map making method based on database driving. Topographic maps of corresponding plotting scales are quickly made by a built topographic database, and a map making database and the topographic database are subjected to integrated storage, integrated management and synchronous updating. The quick topographic map making method based on database driving comprises the following steps of: (1) preprocessing map making data at a management end, namely building the topographic database, expanding the map making function of the topographic database, deriving map making data, generating framing map making sub databases, and establishing framing map making engineering; (2) generating the map making data at a production end, namely optimizing and adjusting the map making data, editing map making, trimming the contour of a map, edging the data and outputting the map; and (3) putting the topographic map making data into the database at the management end, namely concentratively performing uniform data storage processing on the topographic map making data subjected to the map making production steps such as map making editing, inspection and accepting, and forming the final topography and map-making integrated database.
Owner:NAT GEOMATICS CENT OF CHINA

Microorganism soil-reinforcement cement fly-ash gravel (CFG) pile composite foundation and construction method

The invention discloses a microorganism soil-reinforcement cement fly-ash gravel (CFG) pile composite foundation and a construction method. The construction method comprises the steps that a, a pile pipe is pressed into a foundation; b, microorganism bacterium liquid is injected into the pile pipe at the same time, and the microorganism bacterium liquid is made to diffuse towards the foundation around the pile pipe; c, the microorganism bacterium liquid is pumped out, and a cementing solution is injected into the pile pipe and made to diffuse to the foundation around the pile pipe and reacts with the microorganism bacterium liquid to generate calcium carbonate crystals, and incompact sandy soil or floury soil is cemented; d, the step b and the step c are executed repeatedly till the soil around the pile pipe meets the reinforcement requirement; e, pipe-drawing pile formation is conducted while cement-ash stabilized aggregates are poured; and f, a bed course is laid, so that the CFG pile composite foundation is formed. According to the microorganism soil-reinforcement CFG pile, the soil around the pile pipe is reinforced through calcium carbonate generated through reaction between the microorganism bacterium liquid and the cementing solution, so that the strength of the soil around the pile pipe is improved, and the quality problems of necking, pile breakage, soil carrying and the like in the pile forming process are solved; in addition, a reinforced soil body can be combined with a pile for bearing, and the bearing capacity of the single pile is effectively improved.
Owner:NANJING FORESTRY UNIV

Method for screening new internal reference molecules suitable for cervical tissue micro RNA real-time fluorescence quantitative PCR research

The invention discloses a method for screening new internal reference molecules suitable for cervical tissue micro RNA real-time fluorescence quantitative PCR research. The method comprises the following technical steps: screening human Micro RNA probes by using a Micro RNA chip, and selecting Micro RNAs with constant normal tissue expression and high expression abundance of cervical cancer and cervix as candidate internal references; selecting a normal cervical epithelial tissue and a cancerous cervical tissue as clinical cervical tissue specimens respectively, and verifying the specimens by using fluorescence quantitative PCR; and analyzing data by using two special internal reference analysis software comprising geNorm software and Norm Finder so as to discover the internal reference molecules suitable for cervical tissue Micro RNA research. The internal reference molecules screened and verified by using the method of the invention can avoid possible differences of different cervical tissue specimens on the yield, quality and reverse transcription efficiency of the RNA, well correct and standardize the data for real-time fluorescence quantitative PCR detection, and improve the accuracy and the reliability of the search.
Owner:ATTACHED OBSTETRICS & GYNECOLOGY OSPITAL MEDICALCOLLEGE ZHEJIANG UNIV

Mold mechanism driven by up-down movement arm

The invention discloses a mold mechanism driven by an up-down movement arm, which solves the technical problems of slow speed of mold opening and closing, large transverse occupied space, poor precision of mold opening and closing, small mold locking force and poor synchronism of a bottom formwork existing in the prior mold mechanism. The mold mechanism comprises a framework, a left formwork, an intermediate formwork, the bottom formwork, a connecting rod and a right formwork, wherein the left formwork and the right formwork are fixed at both ends of the connecting rod; the intermediate formwork is positioned between the left formwork and the right formwork and is arranged on the connecting rod in a sliding way; the bottom formwork is positioned below the left formwork and the intermediate formwork; a crank arm mechanism is arranged between the intermediate formwork and the right formwork; the middle part of the crank arm mechanism is connected to a lifting plate; both ends of the crank arm mechanism are connected to the intermediate formwork and the right formwork respectively; and the lifting plate is connected to a driving arm which moves up and down. The mold mechanism saves space occupation, optimizes a product structure, saves a synchronous transmission mechanism of a gear and a rack, reduces the quality problem caused by a mold-closing impact force, improves the speed and the accuracy of mold opening and closing, and has coordinative and steady operation.
Owner:张士生

White kidney bean extract extracted by microwave as well as preparation method and application for same

A white kidney bean extract extracted by microwave is disclosed, wherein the bioactivity of an alpha-amylase inhibitor contained in the extract is equal to or higher than 4100 U/mg, and the HPLC (high-performance liquid chromatography) content is equal to or higher than 20% w/w. Preparation method for the extract is characterized by comprising the following steps of: crushing white kidney beans and passing through a 60-mesh sieve; preparing a mixture which is uniformly mixed by the crushed and sieved white kidney bean powder and purified water in a weight ratio of 1:5, extracting for 1-10 minutes at a temperature below 40 DEG C in microwave extraction equipment, then filtering to obtain a filtrate, and removing the filter residue; heating the filtrate to 70 DEG C in a water bath with stirring, keeping for 20 minutes, and collecting an effluent through a silica gel column; and drying the effluent to prepare the white kidney bean extract. The extract can be used for preparing an appetite inhibitor. The preparation method disclosed by the invention shortens extraction time and effectively increases extraction rate. The purified water is used as an extraction solvent, as well as is safe and environment-friendly.
Owner:西安天一生物技术股份有限公司

Call processing method and home gateway

The invention provides a call processing method and a home gateway. The call processing method comprises the following steps that the home gateway receives a first call request sent by a mobile terminal, wherein the first call request comprises a called number; if the called number is not a short number through judgment, the home gateway sends a second call request to a voice service platform, wherein the second call request comprises the called number and a fixed line voice account serving as a calling number and corresponding to the mobile terminal, wherein the fixed line voice account is obtained by applying for the fixed line voice account from the voice service platform through the home gateway serving as a voice agency, and the short number is a home internal call number corresponding to a fixed telephone connected with the home gateway; a calling response sent by the voice service platform is received, and the mobile terminal is connected with a terminal corresponding to the called number for voice communication. By the call processing method and the home gateway, the home gateway serving as the voice agency carries out voice signaling processing for the mobile terminal, so that the mobile terminal and other terminals carry out voice communication through fixed telephone signaling.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

Optical fiber communication system capable of regulating received optical power adaptively and running method thereof

The invention provides an optical fiber communication system capable of regulating received optical power adaptively and a running method thereof. Analog optical signal power output by an optical transmitter is larger than the sum of an upper limit value of the optimum reception power range of an optical receiver and transmission attenuation amount, an analog optical signal enters an optical attenuator and then enters the optical receiver, sampling voltage of an optical detector in the optical receiver accesses a control detection circuit which is connected with the optical attenuator. The control detection circuit comprises a single chip microcomputer and an AD/DA conversion module. The running method of the system comprises the steps as follows: the optical signal of the optical transmitter enters the optical receiver through the optical attenuator; detection voltage value of an optical detector sample resistor of the optical receiver is sent to the single chip microcomputer; and the single chip microcomputer determines the current received optical power, continues to detect if the power is in the optimum reception optical power range, otherwise, determines the attenuation according to a difference, and controls and regulates the optical attenuator. The optical fiber communication system and the running method thereof regulate received optical power dynamically and adaptively to the optimum value, stabilize optical fiber communication, are suitable for different optical receiver, and easy to implement.
Owner:NO 34 RES INST OF CHINA ELECTRONICS TECH GRP

Automatic turning device for thrust ball bearing ferrule

ActiveCN104692096AAvoid scrappingRealize automatic flippingConveyor partsBall bearingControl system
The invention discloses an automatic turning device for a thrust ball bearing ferrule, and belongs to the technical field of bearing production equipment. The automatic turning mechanism comprises a motor, a positioning material channel and a circular check ring, wherein the top surface of the circular check ring is higher than the bottom surface of the positioning material channel; a workpiece inlet and a workpiece outlet of the circular check ring are respectively provided with an inlet stop block and an outlet stop block; the bottom surface of one end, connected with the workpiece inlet, of the positioning material channel is always higher than the end connected with the workpiece outlet; when the two stop blocks fall down, the top surfaces of the two stop blocks are not higher than the bottom surface of the positioning material channel; a positioning mechanism and a detection mechanism are respectively arranged on the two sides of the positioning material channel; through holes for realizing pressing of the positioning mechanism and detection of the detection mechanism are respectively formed in two side baffles of the positioning material channel; a quantification mechanism is arranged on the side of a material feeding channel; a control system controls a motor, a positioning pressing block driving mechanism, a probe driving mechanism and a quantification mechanism and drives cylinders of the inlet stop block and the outlet stop block to operate. The automatic turning device meets the demand that the end faces of the ferrule are needed to uniformly face to a direction during processing of the thrust ball bearing ferrule.
Owner:浙江盛达物联科技股份有限公司

Three-dimensional integration method for tile TR component subarray element

The invention provides a three-dimensional integration method for a tile TR component subarray element and aims at providing a three-dimensional integration method for a subarray element which is thinin body and light in weight and is capable of effectively improving the assembly efficiency and quality. The three-dimensional integration method is implemented through the following technical schemeof producing a tool base consistent with a radio-frequency T/R printed board in shape and a tool pressing plate, producing opposite and symmetric electroplated metallization steps on the upper and lower surfaces of the radio-frequency T/R printed board and a radiation surface printed board, making the radio-frequency T/R printed board vertically aligned at the radiation surface printed board andshielding and sealing the peripheries of work cavities of T-type MMIC chips; and burying fuzz buttons into circular holes in the radiation surface printed board and then fastening the radio-frequencyT/R printed board and the radiation surface printed board between the steps of the tool pressing plate and a TR low-frequency and wave-controlled circuit board and vertically interconnecting and fastening the radiation surface printed board and the radio-frequency T/R printed board together to achieve interconnection of radio-frequency inner and outer conductors and inner and outer conductors of an antenna board. Radio-frequency assembly of the subarray element of a chip phased-array antenna is achieved through integral integration.
Owner:10TH RES INST OF CETC

Novel offset printing and hot stamping technique

A novel offset printing and hot stamping technique sequentially includes: (1) feeding articles to be printed to printing color cells of an offset printing press sequentially and printing with ultraviolet curing ink, wherein one or more printing color cells are utilized to perform full oil printing, and positions, required to be hot stamped, on full oil printing surfaces are hollowed out; ink in required colors is printed on printed surfaces of the articles to be printed in a screening manner by one or more printing color cells of other printing color cells according to the color of alumite requiring hot stamping, a lining ink layer is formed, and the surface color of the surface of positions, required to be hot stamped, of the articles to be printed is enabled to be consistent with that of the alumite; (2) hot stamping alumite on the articles to be printed by a hot stamping machine to form a hot stamping pattern layer covering the lining ink layer. The novel offset printing and hot stamping technique is good in hot stamping effect and capable of effectively avoiding quality problem, caused by incomplete hot stamping, of products which are subjected to offset printing prior to hot stamping, product quality is guaranteed, and product percentage of pass is increased.
Owner:广西真龙彩印包装有限公司

Inclined outer ring plate fabricated cross connecting beam-column joint

The invention relates to the technical field of connection of building structures, and discloses an inclined outer ring plate fabricated cross connecting beam-column joint. The inclined outer ring plate fabricated cross connecting beam-column joint comprises a square steel tube column, H-shaped steel beams and beam-column connecting assemblies. Each beam-column connecting assembly comprises two groups of miter plates and T-shaped connecting pieces, wherein the two groups of miter plates are arranged symmetrically in a up and down mode; each group of miter plates comprises four identical standard miter plates, each standard miter plate comprises a horizontal part, a vertical part and connecting lugs, and a T-shaped sliding piece is arranged on the back surface of each horizontal part. The T-shaped connecting pieces are provided with T-shaped sliding grooves matched with the T-shaped sliding pieces. According to the inclined outer ring plate fabricated cross connecting beam-column joint,the miter plates are used as standard splicing pieces, the integrity of an outer ring plate is ensured while the strength of a joint area is ensured, the outward movement of plastic hinges is realized, the miter plates provide sufficient construction space, the installation is convenient, and the miter plates can be replaced in time after being damaged; and welding of all components is completedin a factory, the connection is completely carried out through bolts on site, the completely fabricated construction is realized, the quality problems caused by site welding are avoided, and the construction progress is speeded up.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Efficient deburring system for stainless steel strip

InactiveCN106044313AControl the speed of dischargingControl contact forceWebs handlingEngineeringConductor Coil
The invention discloses an efficient deburring system for a stainless steel strip. The efficient deburring system comprises a discharging mechanism and a deburring mechanism. The discharging mechanism comprises a discharging base, a winding shaft, a motor bracket, a first motor, a fixed bracket, a supporting baffle and a spacing baffle. The motor bracket and the fixed bracket are fixedly arranged on two sides of the discharging base. The winding shaft is rotatably erected on the fixed bracket and the motor bracket, is driven by the first motor erected on the motor bracket to rotate, and penetrates through the supporting baffle and the spacing baffle. A steel strip sleeves a part between the supporting baffle and the spacing baffle. The deburring mechanism comprises a worktable, guide rollers, tension pulley components, a guiding component and deburring components. The tension pulley components are used for adjusting the tension forces of the steel strip and the guide rollers. The guiding component is used for spacing the steel strip during the conveying process. The deburring components are used for deburring the steel strip. The efficient deburring system is reasonable in structure, the steel strip can be stably and accurately discharged quickly and efficiently, and the efficient deburring system can be conveniently adjusted according to the size of the steel strip, and is high in deburring efficiency.
Owner:SUZHOU GUANXING METAL PROD MFG CO LTD

Tunnel lining concrete heat preserving and maintaining construction device

Disclosed is a tunnel lining concrete heat preserving and maintaining construction device. The tunnel lining concrete heat preserving and maintaining construction device is characterized by comprising a first trolley, a second trolley and a third trolley which are sequentially connected, or comprising a first trolley and a second trolley which are sequentially connected, or comprising a second trolley and a third trolley which are sequentially connected, or comprising a first trolley and a third trolley which are sequentially connected, wherein the three trolleys are each provided with a template supported through a supporting rod. The tunnel lining concrete heat preserving and maintaining construction device has the advantages that the three construction trolleys conduct heat preservation on secondary lining at first, the temperature difference between the interior and the exterior is decreased, then, heat preservation and moisture retention are carried out on concrete, concrete frost heaving is avoided, and finally the concrete is slowly cooled through a cooling layer, so that the quality problem generated by the large temperature difference between pre-construction and post-construction is avoided. The tunnel lining concrete heat preserving and maintaining construction device has the advantages of being stable in construction quality and low in manufacturing cost and has the wide market prospect.
Owner:郑向东 +15

Assembly type steel-concrete composite structure residential system and construction method thereof

The invention discloses an assembly type steel-concrete composite structure residential system. In the assembly type steel-concrete composite structure residential system, mounting holes are formed inoutside flanges of end cross beams at the upper ends or the lower ends of multilayer of prefabricated steel reinforced concrete shear walls; connecting steel plate seats are arranged at one ends without cross beams, and mounting holes are formed in the connecting steel plate seats and correspond to the mounting holes in the outside flanges of the end cross beams in position; and processing slotsfor installing bolts or nuts are formed in parts, corresponding to the mounting holes in the flanges of the outer sides of the end cross beams in position, of prefabricated concrete. According to theassembly type steel-concrete composite structure residential system, the factory prefabrication degree is high, and wet work on site is less. Fabricated structural steel concrete shearing walls as well as the fabricated structural steel concrete shearing walls and peripheral steel beams are in bolted connection, and the on-site construction speed is high. The assembly type steel-concrete compositestructure residential system has good seismic performance, can be applied to areas with high seismic intensity, and is suitable for large heights.
Owner:CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP +2

Novel tension assembly structure for production of prestressed pipe pile

A novel tension assembly structure for production of a prestressed pipe pile comprises a head plate (1), a clamp hoop (2), a pipe die (3), a tension plate (4), a baffle (5), a tension screw rod (6), a tension nut (7), a tail plate (8), a tail plate clamp hoop (9) and a tension screw rod assembly. The novel tension assembly structure is characterized in that the head plate (1)) is fixed to the tension plate (4) at one end of the tension screw rod assembly through the clamp hoop (2), the baffle (5) at the other end of the tension screw rod assembly is fixed to the lower portion of the pipe die (3) through a bolt, the tail plate (8) is installed on the tail plate clamp hoop (9), the tail plate clamp hoop (9) is fixed to the tail end of the pipe die (3) through a bolt, an upper die assembly and a lower die assembly of the pipe die (3) are fastened through bolts, and the tension screw rod assembly is connected with a tensioner, so that tension is produced. The novel tension assembly structure is simple, greatly reduces the weight of the head plate and the weight of the tail plate, reduces labor intensity of basketing workers and improves safety of the basketing workers; transportation and basekting are easy and convenient to carry out, the weight of the head plate is 1/3 that of an original head plate and the weight of the tail plate is 1/3 that of an original tail plate.
Owner:JIANGSU HONGYE HEAVY IND
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