446results about How to "The operation process is simple and convenient" patented technology

The invention discloses a SERS biological probe and a preparation method thereof. The SERS biological probe provided by the invention comprises a SiO2 core and a metal nanoparticle layer on the surface of the SiO2 core, wherein a plurality of Raman signal molecules connected with the metal nanoparticle layer; a SiO2 layer is also provided outside the metal nanoparticle layer; the Raman signal molecules are positioned between the metal nanoparticle layer and the SiO2 layer; the SiO2 layer surface is modified with biological probe molecules; and the metal nanoparticle layer is Au nanoparticle layer or Ag nanoparticle layer. The SERS biological probe provided by the invention has wide generality, and has wide application prospect in identification and detection of biological molecules (DNA molecules and protein molecules), rapid disease diagnosis, biomedical imaging technology as well as in the fields of serious disease treatment, food hygiene, environmental monitoring, etc.

The invention discloses an oxidized grapheme/polyaniline super capacitor composite electrode material and the preparation method and the application thereof. The preparation method comprise the following steps: firstly, adding oxidized graphite to water for ultrasonic dispersion so as to form an oxidized grapheme solution with uniformly dispersed single pieces; at room temperature, dropping aniline to the obtained oxidized grapheme solution for continuous ultrasonic dispersion to from a mixed solution; at a low temperature condition, adding hydrogen peroxide, ferric trichloride and a hydrochloric acid solution dropwise to the mixed solution, and stirring the solution for polymerization; and after the reaction is finished, centrifugating, washing and roasting the obtained mixed solution in vacuum to obtain the oxidized grapheme/polyaniline super capacitor composite electrode material which is used as the electrode material of an electricity storage system of a super capacitor and a battery. The oxidized grapheme/polyaniline super capacitor composite electrode material with good electrochemistry performance is obtained by the method, and the specific capacity of the oxidized grapheme and the polyaniline is greatly improved. In addition, the addition of the oxidized grapheme improves the charge and discharge service life of the polyaniline.

The invention discloses graphene-organic acid doped polyaniline composite material and a preparation method thereof. The preparation method includes the following steps: adding graphite oxide to dispersing agent for ultrasonic dispersion to form evenly dispersed graphene oxide liquid mixture; adding aniline monomer to the liquid mixture obtained in the first step for further dispersion under room temperature to form liquid mixture, and then blending for certain time; gradually dripping oxidizer and organic doping acid to the liquid mixture obtained in the second step, and blending for polymerization; centrifuging the liquid mixture obtained in the third step, and washing to get graphene oxide-polyaniline composite material; adding concentrated alkaline to the water suspension of the graphene oxide-polyaniline composite material, heating and blending for reaction; and centrifuging the mixture obtained in the fifth step and washing to get graphene-polyaniline composite material. The invention takes the advantage of the big specific surface area of graphene oxide and the capability of the graphene oxide for absorbing aniline on the surface thereof in on organic system to form sandwiched polyaniline/ graphene oxide- polyaniline compound through polymerization.

The invention discloses a method for obtaining the contents in a window. The method comprises the steps that: the contents displayed on the widow of a client terminal are selected; an obtaining functional module which is stored in the local client terminal is started, and an application program is started by the obtaining functional module to obtain the selected contents and stick the contents inside a content displaying area of a customer interface corresponding to application program; and the contents of the customer interface are saved with the file format supported by the application program. The invention also discloses a corresponding system for obtaining the contents in a window. The invention can obtain the contents from a web page or a window of other client terminals quickly and conveniently.

The invention discloses a method for backing up a boot program, which is used for realizing backup of the boot program and improving the reliability of system startup. The method comprises the following steps: obtaining a main boot program in a first memory area according to the default or recorded identification information in the first memory area, and starting up the main boot program, wherein the first memory area is the current memory area; after the main boot program is successfully started up, recording the identification information in the first memory area; and backing up the main boot program in the first memory area to a second memory area in the same memory. The invention also discloses a method for upgrading a boot program, which is used for realizing upgrading of the boot program. The method comprises the following steps: determining whether the boot program is needed to be upgraded after the main boot program in the first memory area is started up; if so, obtaining upgrading information; and upgrading the boot program backed up to the second memory area according to the obtained upgrading information. The invention also discloses a device for realizing the method.

A bending-forging machine for manufacturing the large crankshaft or bellcrank used by ship is composed of upper die with lower arc end, bending lower die, upper and lower flat stocks, and insertion plate with lower arc end. Its forging method includes such steps as upsetting a steel ingot to become a flat square billet, drawing it to become a blank with shoulder, pressing V-shaped die on the middle of blank to form symmetric two V-shaped slots, bending by upper and lower dies, removing the upper and lower dies, inserting the insertion plate for finishing, trimming, and removing insertion plate.

The invention relates to an original-state soil sampler comprising a soil sample collecting system and a soil sample pushing system. The original-state soil sampler is characterized in that the soil sample collecting system is formed by connecting a manual handle, an extension rod and a sampling head; the soil sample pushing system is formed by a shoving screw, a shoving rod, a shoving base and a shoving sheet, wherein the shoving screw is connected with the shoving rod inside the extension rod, and the shoving sheet is located inside the sampling head. In the invention, the sampling amount for one time can meet the requirement for monitoring regular pollutant index in soil, thereby greatly improving the sampling efficiency; the sampling head can be easily pushed out of the soil sample so as to ensure convenient and simple discharging process; the sample can be directly pushed out of the sampling head by the shoving sheet without using consumptive materials such as a circular ring, and the like, thereby saving resources; and the original soil level can be maintained and the sampling effect is ensured by controlling the whole process of sampling and discharging effectively.

The invention discloses a method for preparing magnetic composite nanoparticles with a core-shell structure. In the method, electrostatic self-assembly and seeded emulsion polymerization are combined, wherein the electrostatic self-assembly is used to synthesize particles with the core-shell structure first and then emulsion polymerization is performed by using the particles with the core-shell structure seeds and using an initiator to prepare the magnetic composite nanoparticles with the sandwich core-shell structure which has three or more layers. The magnetic composite particles prepared by the method have a multi-layer sandwich core-shell structure, wherein in the structure, the core is a polymer microsphere, a Fe3O4 magnetic particle layer is in the middle, and different polymer layers are covered outside. The prepared particles have stable structures, strong and uniformly-distributed magnetism, smooth surfaces, controllable sizes, high stability and low cost, the thicknesses of the covering layers of the prepared particles can be controlled by nanoscale, and the adaptability of the prepared particles is high. Particles with specific surface groups can be prepared according to requirements and can be used in fields of biochemical separation, targeting preparation, immobilized enzyme, immunoassay, catalysis study and the like.

The invention relates to a cobalt manganese sulfide electrocatalyst and a preparation method thereof. The preparation method comprises the following steps that 1, cobalt salt, manganese salt and ureaare weighed, the weighed cobalt salt, manganese salt and urea are dissolved in water, stirring is conducted, and evenly mixed solution is obtained; 2, the solution and carrier are placed into a reactor together to undergo a hydrothermal reaction, and supported cobalt manganese carbonate is obtained; 3, the supported cobalt manganese carbonate is put into aqueous solution containing vulcanizing agent to undergo a vulcanization reaction, and supported cobalt manganese sulfide is obtained. The cobalt manganese sulfide electrocatalyst and the preparation method have the following advantages that the adopted raw materials are cheap and easy to obtain, the preparation method is simple, operation is easy and convenient, and the cost is low; the manganese element is introduced into cobalt, binarycobalt manganese sulfide is prepared, meanwhile carbon paper, carbon cloth, foam nickel, foam copper, titanium mesh or stainless steel mesh are combined and used as substrate, the two-in-one structureof catalyst and electrode is directly formed, testing is convenient, and the catalyst is endowed with excellent electrochemical catalysis hydrogen evolution or oxygen evolution performance by means of the synergistic effect of cobalt manganese sulfide and the substrate.

The invention discloses a method to regenerate dry-spun spandex waste silk to normal spandex silk in spandex silk preparing technique domain, which comprises the following steps: (1)adopting cryogenic breaking technology; changing the long fiber to short fiber; (2)removing oil solution on the surface of the spandex waste silk with water and detergent; (3)drying the water on the spandex waste silk; (4)adding into spandex waste silk, organic solvent and aids into reactor; reacting for 6-12 h at 45-100 deg. c; getting spinning raw liquid with proper viscosity; (5)removing bubble; spinning; oiling; modeling; getting spandex silk. This invention possesses simple operating course and little investment, which can get bigger economical benefit.

The invention relates to a method for industrialized seedling raising of saddle grouper, which is suitable for saddle grouper (Epinepheluslanceolatus). The steps taken by the method include: 1. seedling raising workshop, seedling pond and seedling water treatment; 2. preparation before seedling raising; 3. Putting fertilized eggs or larvae of saddle grouper; 4. Water quality control of nursery water; 5. Bait and feeding methods. The method of the present invention carries out industrialized seedling raising of saddle grouper, and has the advantages of stable water quality conditions for seedling raising, high seedling output per unit of water, neat specifications of the bred fish fingerlings, no use of any antibacterial drugs, and no additional preparation of larva opening bait during the seedling raising process 1. The nursery does not need to cultivate single-cell algae alone, and the whole process of seedling cultivation does not suck the bottom, which greatly simplifies the operation process.

The invention provides a laser inner diameter measuring instrument which comprises a handle, a main rod, a rotary fulcrum rod, a measuring ring and spherical hinges. According to the laser inner diameter measuring instrument, non-contact type laser measurement is adopted, the measuring ring is turned for continuous measurement, three laser heads measure the inner wall of a workpiece to obtain three-point distance sets, measured section plane inner diameter values corresponding to all the three-point distance sets are obtained, the minimum values in the obtained inner diameters are compared, and the radial plane inner diameter value of the workpiece is obtained. The measuring instrument is high in measurement precision, the operation process is easy and convenient, personal errors caused by traditional contact measurement are effectively eliminated, and a fast and precise measuring tool and method are provided for workpiece deep hole measurement.

The invention provides an interest point searching method and device belonging to the field of positioning techniques and aiming at the shortage that a prior interest point searching mode is not humanized so as to lead to a complex operation process. The interest point searching method comprises the following steps: acquiring a position coordinate of a current position; finding and returning an interest point of a needed type with a distance within a preset finding distance away from the current position. The invention also provides the interest point searching device. With the adopted interest point searching scheme, users can automatically finish the automatic search of interest points through a satellite positioning technique by only presetting few parameters, the interest points can be automatically searched within a searching range corresponding to a current mode by presetting the current mode, and the searching range can be automatically and steadily increased till all needed interest points are found when any interest point interested by users is not searched. The invention has more humanized usage and simple and convenient operation process.

A synthesis method of order mesoporous metal oxide with high specific surface area by hard template agent belongs to the filed of the preparation of solid mesoporous materials. The prior art is difficult to control the problems of the hydrolysis rate of metal salt, easy collapse and the poor universality of channels when templates are removed by calcination, etc. In the invention, firstly, hard template agent cubic-phase mesoporous silicon oxide powder is synthetized; the silicon oxide powder is added into 50 to 95wt percent of ethyl alcohol solution of metal salt with the concentration of 0.12 to 0.40 mol/L to form mixed solution; after 90 to 120 min of ultrasonic dispersion, the product is mixed again, vaporized under the temperature of 40 DEG C to 50 DEG C and dried; and then the product is heated to 400 DEG C to 850 DEG C in atmosphere at 1 DEG C/min, and kept for 4 hours under the temperature to obtain the mesoporous oxide precursor powder; the mol ratio of the cubic-phase mesoporous silicon oxide powder and the metal salt is 7-14; 10wt percent of HF solution is used to wash, so as to remove the cubic-phase mesoporous silicon oxide template agent, and the product is dried under 60 DEG C to 70 DEG C for 20 to 24 hours. The mesoporous metal oxide of the invention is suitable to be adsorbent, catalyst, carrier, etc., and is applicable to dyes, magnetic, photoelectric materials, etc.

The invention provides a human body three-dimensional data collecting system and method based on the light coding technology. The human body three-dimensional data collecting system comprises a rotary disc. Supports are arranged on the periphery of the rotary disc, a whole-body scanner, a half-body scanner and a face five-sense-organ scanner are installed on the three supports respectively, data lines at the tail ends of the three scanners are connected into a computer, and a matched software tool for model collecting, fusing, repairing and strengthening is arranged in the computer. The human body three-dimensional data collecting system is simple in structure, low in cost, high in accuracy and short in scanning time, the advantages of the scanners in different types are combined, division operation is adopted, the aim is explicit, and high-accuracy human body characteristic three-dimensional models of the five sense organs of the human body face, the head outline, hair details, the whole-body surface outline and the like can be obtained; a high-accuracy human body three-dimensional model can be obtained by fusing and splicing the characteristic three-dimensional models collected through the different scanners through software, and follow-up model processing is avoided; the multiple scanners work at the same time, and the scanning time is greatly shortened.

The invention provides a treatment solution for preparing corrosion product film/layer section metallographic sample. The treatment solution comprises chemical solution, sensitization solution, activation solution and reduction solution. The invention provides a treatment method for preparing corrosion product film/layer section metallographic sample with treatment solution. The method is chemical plating and also comprises pre-processing. The treatment solution and the treatment method have wide application scope, high deposition efficiency, strong generality and strong operability, which can effectively protect the integrity of the corrosion product film/layer with loose texture. The damage problem of the brittle corrosion product film/layer in the section metallographic sample preparation process can be excellently solved. The observation and analysis requirements for the corrosion product film/layer can be adequately satisfied.

The invention discloses a universal hoisting clamp for a circular tube. The universal hoisting clamp comprises a clamp, a base, a reducing motor mounted at the right end of the base, a left screw rod and a right screw rod, which are mounted in the base, and a saddle seat, wherein claws are mounted on the left screw rod and the right screw rod through threads, a groove is formed in the saddle seat, the tail ends of the claws are shaped like hooks and articulated with the groove formed at the upper part of the saddle seat, the top end of the clamp is articulated with a push rod, the top end of the push rod is articulated with the top end of the saddle seat, and the 1/3 part at the upper end of the clamp is articulated with the tail end of the saddle seat. The fastening by the clamp is adopted for replacing the conventional fastening by a steel wire rope, the clamping and the fixing against barrel pieces with different diameters can be realized, the structure is simple, and the range of applications is wide; and the claws driven by self-locking threads are used for fastening, automatic unlocking can be avoided, the operation is safe and reliable, and the surfaces of the barrel pieces can not be damaged due to friction during the hoisting process after being wound with the steel wire rope.

The invention relates to an apparatus and a method for repairing polluted soil and underwater by cooperation of in-situ electricity and electrochemistry. In the method, a mono-metal or double-metal electrode having a nano-scale surface or an air cathode having advanced pollutant oxidation function is formed for reducing and degrading organic pollutants, then the formed electrode is used as a cathode in the electric repairing apparatus; a direct-current electric field is applied to a medium to migrate the organic pollutants in the medium to the cathode, thus achieving cooperation of electric field driven pollutant migration and in-situ electrode electrochemical degradation. The method avoids complex engineering problems, such as secondary treatment after extraction of a cathode solution, extra addition of a redox agent, arrangement of PRB and the like, during a conventional electric repairing process, and can significantly reduce engineering work load and repairing cost in the electricrepairing. The invention provides the in-situ repairing method for the polluted soil and underwater, which is simple in preparation, is low in cost and has high-effective cooperation.

The invention discloses a preparation method of lithium iron phosphate oxide of cathode material of a lithium ion battery, which comprises the following steps: adding ferrous ion aqueous solution withthe concentration of 0.05-2mol/L and ammonium dihydrogen phosphate solution into a reactor according to the ratio of 1: 1; reacting for 0.2-2h under the conditions that the reaction temperature is 50-90 DEG C and the stirring speed is 400-1200rpm; adding excessive hydrogen peroxide and reacting for 0.2-2h, and ageing, filtering, washing and drying to obtain precursor iron phosphate powder; mixingthe iron phosphate powder, lithium ions in a lithium source and carbon atoms in a carbon source according to the mol ratio of 2: 2: 0.1-0.6 by taking absolute ethanol as a medium, and then putting into a planetary ball mill for grinding to obtain precursor solution of the lithium iron phosphate oxide; and then roasting to obtain the lithium iron phosphate oxide with the particle diameter of 0.5-5Mum. The product prepared by the method has even and fine particle diameter distribution, high reaction activity, simple and convenient operation process, simple device and easy control, and effectively improves the electrochemical property and reduces the cost.

The invention relates to a method and device for testing shear strength of a rock and concrete bond interface and belongs to the technical field of geotechnical engineering.The method comprises the following steps: making a hollow rock sample, filling a cavity of the hollow rock sample with a concrete test sample, and making a test sample; placing the test sample in a curing chamber for curing; placing the cured test sample on a determination table, lacing a loading column on the upper end of the test sample, and axially aligning the loading column with the test sample; applying a vertical load until a bond interface between the concrete test sample and the hollow rock sample breaks completely, and recording in real time, vertical load and displacement data; analyzing test data, calculating shear strength of the bond interface according to an equation: Tau=Fmax/(Pi-D2-H), and drawing a test curve, wherein Tau is bond interface shear strength, Pi is the ratio of the circumference of a circle to its diameter, D2 is inner diameter of the hollow rock sample, H is height of the hollow rock sample, and Fmax is maximum value of the vertical load.

The invention provides an application method of payment encryption hardware applied to mobile equipment and belongs to an encrypted cellphone payment mode. The payment encryption hardware comprises a chip which is provided with a mobile equipment communication interface, information of a bank card corresponding to a user and password information of the bank card are stored in the chip and encrypted,g and the chip is connected with a communication interface on the mobile equipment through the mobile equipment communication interface and accesses the Internet through the mobile equipment for online transactions. The application method is safe, reliable and convenient in operation, and inputting of a lot of information is not needed, so that transaction time is saved greatly, and the transactions are free of limitation; the payment encryption hardware is convenient to carry.

The invention discloses a novel wire connecting terminal which is formed by a conductive copper piece and a copper plug. One end of the copper plug is fixedly connected to the conductive copper piece which is provided with a frame structure. The frame body is internally equipped with an elastic conductive stainless steel piece. One end of the conductive stainless steel piece elastically presses against the inner wall of the frame of the conductive copper piece to form a clamping mouth used for clamping a conductive wire. According to the novel wire connecting terminal, the conductive wire can be rapidly inserted into the wire connecting terminal to be firmly clamped, the condition that the conductive wire, the conductive copper piece and the conductive stainless steel piece can be in firm contact to be conductive is ensured, thus the cumbersome steps of installing the conductive wire into the wire connecting terminal are greatly reduced, the operation process is simple, the connection fastening strength between the conductive wire and the wire connecting terminal is high, the possibility of falling is little, the conductive performance is good, the production cost is effectively reduced, and the use value of the wire connecting terminal is greatly raised.

The embodiment of the invention provides a method and device for icon moving. The method and the device solve the problems in the prior art that the icon moving across screens is not accurate, operation courses are complicated and moving efficiency is low. The method comprises the steps that a dragging instruction for an icon is received, wherein preview thumbnails of all the split screens in a desk are displayed in a set area when a detection result shows that the icon is dragged into the set area in the desk; and a dragging stop instruction for the icon is received, and the icon can be moved to the split screen corresponding to a target preview thumbnail when the icon is already dragged to the target preview thumbnail at present. By the method and the device provided by the embodiment of the invention, across-screen moving becomes more accurate; operational courses are more convenient; and moving efficiency is high.

The invention discloses a method for preparing hydrophobic wood, relates to a method for modifying wood, and solves the problems that a modifier has high toxicity and peculiar smell and changes wood color, the treatment process is complex and only single performance of the wood can be improved in the conventional wood modification method. The method comprises the following steps of: mixing a fluorine-containing polymerizable monomer, an unsaturated monomer and an initiator to prepare impregnation liquid; adding the wood and the impregnation liquid into a reaction tank, vacuumizing, performing pressure treatment so as to inject the impregnation liquid into a pore structure of the wood, coating a test piece and ageing at room temperature and constant pressure; and heating and performing vacuum drying to prepare the hydrophobic wood. The method is simple, the wood color is not changed, peculiar smell is absent, the parallel-to-grain compressive strength is 70 to 98 MPa, the expansion resistance rate after the wood is continuously soaked in water for 200 hours is 48 to 65 percent, the weight loss ratio after 12 weeks of fungi erosion is 6 to 13 percent, the water contact angle is more than 130 degrees, and the wood can be widely used as indoor and outdoor structural materials and decorative materials.