32results about How to "The preparation process is simple and fast" patented technology

A stair tread structure includes a tread body made up of a core layer, a plurality of lateral connecting members, a tread end member, a plurality of external connecting sheets, and an elongate nose member wherein the core layer and the tread end member are respectively made up of one or more than one board bodies of recycled wood, plywood, sawdust, and other lower quality materials that are integrally processed and firmly bonded into one piece. The core layer has a pair of lateral coupling portions symmetrically protruding at both lateral end surfaces thereon, and the lateral connecting member is provided with a coupling groove indented at one lateral end surface to correspondingly match with the coupling portions of the core layer for close engagement therewith. Therefore, via the aforementioned structure thereof, the tread body obtained thereby is efficiently manufactured in an easier and speedier manner and economically processed with the best use of recycled resources for environmental protection thereof.

The invention discloses a device and method for detecting runoff producing positions on a karst slope surface. The two ends of a PVC pipe are arranged in tee joints in a sleeved mode, the PVC pipe is filled with a thin gauze element, a water inlet hole is drilled in the wall of the PVC pipe, two ends of the tee joints are arranged in water storage pipes with sealed ends and pipe caps respectively in a sleeved mode, and a water guide pipe with a pipe plug at the upper end is inserted into each pipe cap and extends to the lower end of the corresponding water storage pipe. Based on slope surface point selection, the device is buried according to slope positions and types of heterogeneous ecological niches; after each rainfall, the runoff producing situation is checked, a water sample is collected, and basic water chemical indexes are measured; the runoff producing possibility of each point on the slope surface in a hydrologic year and the space-time distribution of the water chemical indexes are comprehensively analyzed, and finally judgment on the runoff producing positions on the slope surface is finished. The device for detecting the runoff producing positions on the karst slope surface is simple to manufacture, small in investment, and convenient and rapid to install, solves the problems occurring when a traditional research method is used for detecting the runoff producing positions on the karst slope surface and other areas with discontinuous earth covers, and can provide a technical means for the aspects of reasonable utilization of limited water resources, reasonable distribution of land utilization, vegetation recovery strategies and the like in the areas.

A fabricating device of a three-dimensional (3-D) scaffold comprises a bubble generator, a bubble mixing channel, a coagulating solution channel and a bubble collector. The bubble generator includes a gas channel and a gel solution channel crossing the gas channel. The bubble mixing channel is connected with a first outlet of the bubble generator. The coagulating solution channel is connected with the bubble mixing channel. The bubble collector is connected with a second outlet of the bubble mixing channel.

The invention discloses a preparation method and application of an electrochemical biosensor for detecting lead ions based on a rapid scanning cyclic voltammetry technique. Nanotube mixture; (2) Add tetrakis(4-carboxyphenyl)porphin to the magnetic amino-functionalized multi-walled carbon nanotube mixture, and obtain NH through the combination of amino group and carboxyl group 2 ‑MWCNTs@Fe 3 o 4 / TCPP mixed solution; (3) take enriched Pb 2+ after NH 2 ‑MWCNTs@Fe 3 o 4 / TCPP mixed liquid is drop-coated on the surface of the pretreated magnetic glassy carbon electrode, and the nanocomposite material is firmly adsorbed on the electrode surface through magnetic action, and the preparation of the electrochemical sensor is completed after natural drying at room temperature, which can be used for fast scanning In the application of cyclic voltammetry to detect lead ions, the advantages are high sensitivity, high selectivity, and simple and fast operation.

The invention discloses a device and method for detecting runoff producing positions on a karst slope surface. The two ends of a PVC pipe are arranged in tee joints in a sleeved mode, the PVC pipe is filled with a thin gauze element, a water inlet hole is drilled in the wall of the PVC pipe, two ends of the tee joints are arranged in water storage pipes with sealed ends and pipe caps respectively in a sleeved mode, and a water guide pipe with a pipe plug at the upper end is inserted into each pipe cap and extends to the lower end of the corresponding water storage pipe. Based on slope surface point selection, the device is buried according to slope positions and types of heterogeneous ecological niches; after each rainfall, the runoff producing situation is checked, a water sample is collected, and basic water chemical indexes are measured; the runoff producing possibility of each point on the slope surface in a hydrologic year and the space-time distribution of the water chemical indexes are comprehensively analyzed, and finally judgment on the runoff producing positions on the slope surface is finished. The device for detecting the runoff producing positions on the karst slope surface is simple to manufacture, small in investment, and convenient and rapid to install, solves the problems occurring when a traditional research method is used for detecting the runoff producing positions on the karst slope surface and other areas with discontinuous earth covers, and can provide a technical means for the aspects of reasonable utilization of limited water resources, reasonable distribution of land utilization, vegetation recovery strategies and the like in the areas.

The invention discloses a preparation method and an application of an electrochemical biosensor for detecting mercury ions based on the fast scanning cyclic voltammetry technology. The preparation method comprises the following steps: (1) adding Probe DNA1, Probe DNA2 and TCEP to rGO-NH2@AuNPs&Fc dispersion liquid to prepare functionalized reduced graphene oxide composite bio-nanomaterial dispersion liquid; (2) adding a solution containing Hg2+ to the functionalized reduced graphene oxide composite bio-nanomaterial dispersion liquid, uniformly mixing the solution, dripping the mixture on a gold electrode carrying Probe DNA3, incubating for 0.5 to 1 h under constant temperature and humidity conditions of 37 DEG C, and cleaning the electrode with a PBS buffer solution to obtain the electrochemical biosensor for detecting the mercury ions based on the fast scanning cyclic voltammetry technology. The electrochemical biosensor can be applied to the detection of the mercury ions based on thefast scanning cyclic voltammetry technology, and has the advantages of high sensitivity, high selectivity and simple and fast operation.

The invention relates to a notebook and a making method thereof. The notebook comprises a notebook shell and a notebook body fixedly installed in the notebook shell, wherein the notebook shell comprises a paperboard, outer-layer paper is pasted on the outer surface of the paperboard, inner-layer paper is pasted on the inner surface of the paperboard, and each outer circumferential end face of the paperboard is provided with a protective layer. The invention provides the notebook and the making method thereof, due to the adoption of hard double-face grey paper as the notebook shell, the notebook has low cost, and because the inner-layer paper and the outer-layer paper are pasted on the paperboard of the notebook shell and each end face of the notebook shell is provided with a coating or end-face paper, the attractive appearance of the notebook is strengthened, and the notebook has durability; and by adopting the making method, the planar paper pasting or paint spraying is uniformly carried out on the paperboard of the notebook shell in the process of making the notebook shell so that the making method has simple and rapid making process and effectively reduces the production cost, and the made notebook has the advantages of durability and attractive appearance.

The invention relates to a fluorescent material and a white light emitting device. The fluorescent material has the following structural formula: (Re1-yBay)3-x(Rg)5O12:Cex, wherein Re is one or a combination of Y, Tb, Lu, Sc, La, Gd and Sm; Rg is one or a combination of Al, Ga and In; and 0<x<3 and 0<y<1. The fluorescent material and white light emitting device provided by the invention are simple and quick to prepare and easy to realize mass production; and the material has the advantages of high thermal stability, high luminous intensity and great industrial application value.

The invention relates to a folder and a manufacturing method thereof. The folder comprises a cover and a buckling device, wherein the cover comprises a paper board; an outer paper layer is pasted to the outer surface of the paper board; the paper board comprises a plurality of core boards; an inner paper layer is pasted to the inner surface of the core board; the end face of each peripheral edge of the core board is provided with a protective layer; the plurality of core boards are connected in turn to form a surface board, a ridge and a bottom board; the surface board and the bottom board are folded opposite along the two sides of the ridge; the inside side, close to ridge, of the bottom board is provided with a perforation; and the buckling device is assembled and fixed to the inside of the cover through the perforation. The end face of each peripheral edge of the cover of the folder is provided with a coat or the pasted paper, so the manufacturing flow is simple and quick, the production cost is effectively reduced, and the manufactured folder has strong durability and attractive appearance.

The invention discloses a method and a device for determining a construction position of a water storage project on a Karst slope. By adopting the method provided by the invention, key hydrological parameters such as initial runoff producing time, initial runoff producing rainfall and stable infiltration rate of the slope of a tested area, and the problem of accurately and quantitatively obtaining the hydrological parameters of the Karst slope on a field scale is solved; By adopting field in-situ non-disturbance hydrological parameter testing method, the destruction of soil and rock structures can be minimized and the hydrological parameter results are guaranteed to be true and reliable; the provided device is simple to manufacture, the investment is small, the device is convenient to carry and install, and the actual demand for related devices for evaluating the suitability of the construction position of the slope water storage project in the Karst area is satisfied.

An implant ( 1 ) for mounting a connection pin ( 17 ) of a medical device shows a longitudinal axis ( 9 ), a distal end ( 3 ) and a proximal end ( 4 ), from which extends a mounting recess ( 10 ) for the connection pin ( 17 ) in the direction of the longitudinal axis ( 9 ) into the inside of the implant ( 1 ). The outer generated surface of the implant ( 1 ) can be connected in a non-positive or positive manner with the inner generated surface of a mounting hole in a bone of a human or animal body. The connection pin ( 17 ), which is adapted to the mounting recess ( 10 ), can be connected in a non-positive or positive manner with the inner generated surface of the mounting recess ( 10 ). In order to enable rapid creation and similarly rapid breaking of the connection between the medical device and the implant ( 1 ), it is proposed that the inner generated surface of the mounting recess ( 10 ) should be provided with at least one depression extending perpendicular to the longitudinal axis ( 9 ) of the implant ( 1 ) and constituting an undercut, with which an outwardly protruding projection ( 20 a) of an elastic clip device ( 20 ) of the connection pin ( 17 ) can be radially engaged.

The invention provides an anti-copying printing machine and an anti-copying special plate making method thereof. The anti-copying printing machine comprises a control module device, a printing module device and a post-processing module device. The control module device is arranged at one end of the printing module device, and the post-processing module device is arranged at the other end of the printing module device; the method mainly comprises the following steps of: preparing anti-copying paper by using Kodaka printing energy rapid pre-printing software, respectively adding different net lines to normally-displayed images and texts and anti-counterfeiting shading, and then combining the images and texts and the anti-counterfeiting shading into the same page, so that the prepared PS board reflects various net line formats on the same printing surface, and is printed with special printing ink (spot color blue ink) on a machine, so that the anti-copying performance of the PS board is improved. After the prepared anti-copying paper is copied by a copying machine, normal images and texts can be displayed, meanwhile, indistinct shading before original copying disappears, and the anti-copying effect is achieved.

The invention discloses a nanometer environmental protection chemical coat-plating solution which can be prepared quickly and an application method thereof, pertaining to the technology filed of nanometer chemical coat-plating new materials. Curing agent multifunctional pMDI, main agent epoxy resin solution and nanometer functional addition agent are mixed according to ratio and well stirred, thusquickly obtaining the chemical coat-plating solution. The chemical coat-plating solution can be produced into coat-plating solution of various colors by adding various pigments into the basal coat-plating solution and fully meets the requirement of anticorrosion and decoration towards the surface of various metallic materials or non-metallic materials. The production technology of the solution issimple and quick, overcomes complex reaction and polymerization steps in the traditional production of chemical coat-plating solution and has low cost compared with the traditional coat-plating technology which is widely applied in China at present. The coating does not foam and fall off, has good corrosion resistance and antiseptic effect, can maintain stable for a long period under the temperature of 200-300 DEG C, thereby the nanometer environmental protection coat-plating solution is well worthy of popularization and application. The chemical coat-plating solution can be applied to vehicles, electromechanics, buildings, power, chemical industry, ocean engineering, domestic appliances, railway, bridges, ship industry, civil living, etc.

An insulated gate power semiconductor device includes an (n-) doped drift layer between an emitter side and a collector side. A p doped protection pillow covers a trench bottom of a trench gate electrode. An n doped enhancement layer having a maximum enhancement layer doping concentration in an enhancement layer depth separates the base layer from the drift layer. An n doped plasma enhancement layer having a maximum plasma enhancement layer doping concentration covers an edge region between the protection pillow and the trench gate electrode. The N doping concentration decreases from the maximum enhancement layer doping concentration towards the plasma enhancement layer and the N doping concentration decreases from the maximum plasma enhancement layer doping concentration towards the enhancement layer such that the N doping concentration has a local doping concentration minimum between the enhancement layer and the plasma enhancement layer.