208 results about "Leaf type" patented technology

The invention provides a method for manufacturing a lotus leaf type non-sticky cooking utensil, belonging to the technical field of kitchen cooking utensils. The method solves the problems of the prior art that the existing non-sticky cooking utensil has relatively poor non-sticky effect and wear resistance of non-sticky layers and relatively difficult processing. The method for manufacturing the lotus leaf type non-sticky cooking utensil comprises the following steps: (A) drawing and forming; (B) blasting; (C). hard anode oxidation treatment; and (D). spray coating or dip coating and sintering. The cooking utensil achieves a lotus leaf effect of the cooking utensil and has excellent non-sticky effect; the surface of the non-sticky cooking utensil has high hardness, good wear resistance and high temperature resistance; the cooking utensil has excellent electric insulativity and corrosion resistance, long service life, simple manufacturing method and process, and simple processing, and can realize large-scale industrialized production.

Gutter liner apparatus having a perforated upper platform surface that extends the width of the gutter and is supported by two sidewalls that extend down from the front and back edges of the upper platform so that the platform is situated in the lower half of the gutter upon installation therein. The perforations in the upper platform surface exclude leaf type debris from blocking the drainage flow of the gutter. The sidewalls can vary from being perpendicular to the upper platform to being flared outwardly away from an axis perpendicular to the upper platform to cause them to bias against the inner surfaces of the gutter. Other geometries provide additional advantages under selected circumstances. Perforations can be only on the upper platform surface or also on the sidewalls.

Processes, systems and databases are provided for plant selection. The processes may include providing a database of plant species and eliminating a portion of the plant species based on at least two search criteria including a user's desired climate zone or location plant cultivation, plant size, plant type, plant leaf type/shape, plant form/habit, plant primary attributes, parcel growing conditions, and desired characteristics. At least one image of the plant species meeting the search criteria may be displayed wherein the image has sufficient resolution to distinguish among different plant species.

A method for salting leaf-type mustard with short period decreased from 2-3 months to 12 days or less includes such steps as dewatering fresh mustard, proportionally adding edible salt, kneading, adding the liquid containing lactobacillus plantarum and cheese lactobacillus, mixing, and laying aside.

The invention discloses a tobacco weighing and packing method by two hydraulic systems and a tobacco weighing and packing machine, and relates to the technical field of metering and packing in tobacco industries. The tobacco weighing and packing machine consists of a stander 14, a packing component, a tobacco weighing barrel 11, a weighing component and an operating component, wherein the packing component and the weighing component are respectively arranged above and below the stander 14; the tobacco weighing barrel 11 is arranged in the middle of the stander 14 above the weighing component; and the operating component is arranged on the side of the stander 14. The tobacco weighing and packing machine has the characteristics of high weighing precision, long service life, high efficiency and the like and can be used for weighing and packing tobaccos and weighing and packing other leaf-type substances or other compressible substances.

The invention discloses an automatic planting vegetable harvester, and belongs to the field of facility agriculture automation. The automatic planting vegetable harvester comprises a conveying and recycling mechanism, a root-cutting harvesting mechanism and a vegetable transfer mechanism. Vegetables are planted in a preset planting board, the planting board is conveyed to a working position by the conveying and recycling mechanism after the vegetables are mature, afterwards, a separation plate and a lift-off plate of the root-cutting harvesting mechanism are used for separating and lifting off the mature vegetables for a distance respectively in the propelling process, a cutting-off mechanism drives a blade to separate the vegetables from roots, the cut vegetables are carried away by the vegetable transfer mechanism and subsequently operated, the planting board is continuously conveyed forwards to board recycling position by the conveying and recycling mechanism, so that the planting board is conveniently recycled. The automatic planting vegetable harvester meets harvesting of planting vegetables of different leaf types, and the harvested vegetables can be continuously cleaned, packaged and the like after being transported. The automatic planting vegetable harvester is high in automation degree and efficiency, simple to operate and stable in working, and labor can be reduced.

The invention belongs to the technical field of gas turbines, in particular to a reverse twist designing method of pre-deformation influence of moving blades of a marine combustion engine gas compressor. The method comprises the following steps: carrying out nonlinear static analysis on original pneumatic designed blade forms under a centrifugal force action so as to acquire initial prediction cold-state blade forms; then carrying out repeated iteration on fluid-solid coupling solution to acquire final transitional heat-state blade forms and corresponding cold-state processing blade forms; carrying out three-dimensional viscous flow field analysis solution on the whole working conditions of the whole gas compressor according to the final heat-state blade forms of the cold-state processingblade forms under different working conditions, and verifying a reverse twist design result. By using twist twist angle numerical values as a convergence condition, based on that, a reverse twist design process of the moving blades of the marine combustion engine gas compressor is built, and the pneumatic performance checking result of the whole gas compressor as a final judgement evidence of thereverse twist design, so that seamless connection between the reverse twist design and gas compressor engineering design is realized, the reverse twist design efficiency is improved, and the reverse twist designing method has an important engineering application values.

The invention provides a method for obtaining doubled haploid (DH) plants of sweet peppers, which comprises the following steps of: (1) selecting buds of a donor plant, the microspores of which are in a development state between nonokaryotic stage with the nucleus located aside and early dikaryotic stage, and pretreating at 4 DEG C for 1-3 days; (2) stripping the calyces off, soaking in alcohol, disinfecting through oscillation with sodium hypochlorite, and cleaning with sterile water; (3) stripping the anthers, and inoculating the anthers on an N4-3 solid-liquid double-layer culture medium by the density that 12-18 anthers are inoculated to a culture dish with diameter of 60 mm; (4) firstly, culturing the anthers for 1-10 days in the dark at 28-35 DEG C, and then, transferring to the condition of 25-28 DEG C to continue culturing in the dark; and (5) culturing for 4-7 weeks, when a large quantity of embryoids occur, transferring leaf type embryoids to an MS basic culture medium free of hormones, and cultivating the seedlings. According to the cultivating method provided by the invention, the occurrence rate of the embryoids breakthrough the limitations of genotype, the culturing efficiency of sweet peppers is greatly increased, and meanwhile, the ratio of the DH plants is also increased.

The invention discloses a 1/2-type tandem-blade diffuser, which comprises two parallel opposite annular plates, wherein an annular channel is formed between the opposite annular surfaces of the two annular plates; the circumferential inner side of the annular channel is evenly provided with front-row blades; the circumferential outer side of the annular channel is evenly provided with back-row blades; and the front-row blades and the back-row blades are mutually partitioned, staggered and overlap. The diffuser is characterized in that the number ratio of the front-row blades to the back-row blades is 1:2. The diffuser adopts low-density layout for the front-row blades so as to effectively increase the geometric throat size and through-flow area of blade channels and expand blockage flow; the back-row blades are in high-density layout so as to effectively increase leaf-type turning angle and improve the diffusion capability of the back-row blades; and by utilizing the flow acceleration characteristic of gap areas between the front-row blades and the back-row blades, the boundary-layer flow of the back-row blades is controlled not to separate so as to reduce surge flow.

The invention discloses a leaf-type solar wool-making device. Silicon chips are arranged among a feeding unit, a wool-making unit, a cleaning unit, a drying unit and a discharging unit and are used as a transfer driving unit by a shaft vertical to the moving direction and a roller on the shaft; and spraying units are arranged above the wool-making unit and the cleaning unit for spraying liquid medicine. The invention also discloses a method of using the device to carry out wool making by the silicon chips, namely the wool making is finished on the silicon chips moved in a leaf manner through spraying the liquid medicine. The invention can save automatic connection of equipment of the procedure of loading and taking chips and the former and later procedures, improve the automation level, have a little consumption of liquid medicine and good effect of wool-making as 'pyramid', and improve the productivity by more than 30 percent.

An appliance having a carcass, a door hinged onto the carcass, and a frame attached to the carcass surrounding edges of the door. In an exemplary embodiment, on at least one hinge-side sidewall of the carcass, the frame may form at least one sidewall of an open slot, and a leaf-type anti-trap element may extend in an outward direction from the door into the open slot.

The invention relates to a workpiece leveling and centering device. The existing measuring machine can not simultaneously carry out leveling and centering, thereby affecting the measurement efficiency and the measurement precision. The workpiece leveling and centering device comprises a chassis and an adjusting body, wherein the adjusting body comprises lotus leaf type hinges and a vertical column type hinge, centering baffle plates are correspondingly arranged on two sides of each layer of vertical columns of the vertical column type hinge, the centering baffle plates are evenly distributed and arranged on longitudinal circumferential space, and centering screws are transversely arranged on the centering baffle plates; the lotus leaf type hinges are arranged at the upper end of the vertical column type hinge, the lotus leaf type hinges are plural, and hinged shafts of the lotus leaf type hinges are respectively positioned on the periphery of the upper end of the vertical column type hinge; a plurality of lotus leaf surfaces are superimposed, a leveling baffle plate is arranged below the lotus leaf surface at the bottom and on the periphery of the upper end of the vertical column type hinge, leveling screws are vertically arranged on the leveling baffle plate, and the plurality of hinged shafts and the plurality of leveling screws are evenly distributed and arranged on the periphery of the upper end of the vertical column type hinge. The workpiece leveling and centering device has the advantages of simple structure, rapid adjustment and a wide range of applications.

The distributive leaf shaped rotary flexible hinge is manufactured with one cylinder and through integral machining in a linear cutting machine, and has one through hole, three pairs of leaf shaped reeds, three inner arms, and three outer installation holes. The present invention has symmetrically distributed flexibility design of curved reeds, high axial rigidity and radial rigidity, increased rotation range and small rotation axis drift. As one kind of excellent rotary flexible hinge with great deformation, the present invention is suitable for use in great stroke precise control mechanism.

An antenna arrangement for mobile communication, the antenna arrangement comprising a plurality of radiators (202, 203) for at least two different frequency bands, the plurality of radiators being placed on a reflector (204), wherein the plurality of radiators comprises a first group of radiators arranged to operate in a first frequency band of the at least two different frequency bands, wherein the plurality of radiators comprises a second group of radiators arranged to operate in a second frequency band of the at least two different frequency bands, the first group of radiators forming a first antenna, the second group of radiators forming a second antenna, wherein the radiators are cross-polarized, wherein the radiators (203) of the first group are of cross-type, and wherein the radiators (202) of the second group are of four-leaf type.

The invention provides a leaf-type NH4V3O8 microcrystalline preparation method which is easy to operate in process, short in reaction cycle, uniform in powder chemical constitution, regular and uniform in crystal morphology and even in powder particle size. The method comprises that firstly, a NH4V3O8 solution with the NH4+concentration of 0.10-0.50 mol/L, which is marked the solution A, is prepared; secondly, an ethylene diamine tetraacetic acid solution with the concentration of 0.05-0.20mol/L, which is marked the solution B is prepared; the solution A and the solution B are mixed according to the volume ratio of 1: 0.3-0.6 and are mixed at the room temperature to obtain a solution C; the pH value of the solution C is adjusted to 1.5-3.5 by using hydrochloric acid, and then ultrasonic processing is conducted; the solution C is switched to a reaction still and placed in a microwave hydrothermal device, and reaction is conducted for 30-60 min at the tempaertaure of 140-200 DEG C; the mixture is cooled to the room temperature after the reaction, and filtering is performed to obtain a solid product; and finally, the solid product is immersed and washed repeatedly by using absolute ethyl alcohol, and the solid product is dried at the temperature of 80-120 DEG C for 3-5 hours to obtain the leaf-type NH4V3O8 microcrystalline.

The invention specifically relates to water-based lotus-leaf-structured hydrophobic over-printing varnish for wallpaper and a preparation method of the over-printing varnish, and belongs to the technical field of ink. The technical problem to be solved is to provide an over-printing varnish by using which the surface of a wallpaper product can be smooth, bright and wear-proof and the lotus leaf type waterproof and moisture-roof effects can be realized, and a preparation method of the over-printing varnish. In order to solving the technical problem, the technical scheme adopted is as follows: the water-based lotus-leaf-structured hydrophobic over-printing varnish for the wallpaper is prepared from raw materials including a modified organic silicon polymer emulsion, a non-film-forming acrylate emulsion, an styrene-acrylic emulsion, neutralizing amine, propylene glycol, a water-based coalescing agent, a water-based leveling wetting agent, a mineral defoamer, a water-based nanoscale organosilicon waterproofing agent, a waterborne polyurethane thickening agent, deionized water and an organic silicon defoamer; the raw materials are stirred and mixed in a specific order to form the over-printing varnish.

The present invention is adjustable wedged spring leaf type fastener and its fastening method, and belongs to the field of railway track switch manufacture technology. The fastener includes a tongue on the bed plate, a spring leaf inside bed plate cavity, and a wedged locating block in the back end of the bed plate cavity, with the back end of the spring leaf being located on the wedge surface of the wedged locating block. The present invention has the advantages of improved spring leaf stress condition and strength without fault of breaking; high safety and reliability, simple and flexible assembling and disassembling suitable for field operation.

The invention discloses a loose leaf type inside corner mould plate, belonging to the architectural mould plate field. The loose leaf type inside corner mould plate comprises two mould plate bodies, intersecting curve of which is provided with a hinge; the back surface of each mould plate body is hinged with a nut by a pin shaft, screw threads of the two nuts are opposite in direction, a double thread adjusting lever with positive threads and negative threads is connected between the two nuts. In the invention, by turning the double thread adjusting lever, the included angle between the two mould plate bodies can be increased or reduced, thereby being capable of adapting to vertical moulds in inside corners with different angles; while demoulding, by turning the double thread adjusting lever, the included angle between the two mould plate bodies is reduced, and the mould plate can be conveniently taken off. Compared with the prior art, the mould plate of the invention has the advantages of being used in a plurality of places, facilitating the standardized production, saving cost , being conveniently used and being capable of loosening the mould plate from the single side, along with easy demoulding and convenient assembly and disassembly.

The adjustable outer wedged spring leaf type fastener a one rail track accessory includes one base board, a spring leaf, a wedged locating block, and a platen to fix the spring leaf between the stock rail and the locating block. The wedged locating block is located on the base board and has its tail contacting the vertical wall. The base board has one beveled guide block fixed to its stock rail side and one baffle fixed to its platen side. The adjustable outer wedged spring leaf type fastener has the advantages of simple installation, high safety and reliability, excellent disassembling performance and easy in-situ maintenance.

The invention relates to an ultrasonic and subsonic leaf type combined cascade of compressor, which is mainly designed according to the stator having inflow ultrasonic larger airflow rotation angle for high load compressor. The stator need to realize two functions of shock wave speed reduction and large airflow rotation angle at the same time, which can be realized with difficulty by conventional single row cascade. The invention realizes the two functions by the front and the rear row of cascades through the ultrasonic and subsonic leaf type combined cascade, namely the front row adopts ultrasonic leaf type to realize the shock wave speed reduction, and the rear row adopts subsonic leaf type to realize large airflow rotation angle. Optimal matching of the relative position of the front and the rear rows is performed, the front edge of the rear row in the circumferential direction is close to the front row pressure surface with a distance of 15-25% of cascade distance, and cascades in axial direction are not superposed or properly superposed, the wake of the front row can be well controlled at the rear row, the Mach number of rear row inflow is in proper range, the speed reduction and diffusion processes are smooth, thereby the combined cascade has better integral performance. The ultrasonic and subsonic leaf type combined cascade is suitable for inflow having Mach number of 1.0-1.5 and D factor of more than 0.7, and has better engineering application prospect.

The invention provides a method and device for designing a three-dimensional closed guide blade with a tubular type conical space. Through the invention, a spatial blade profile of the guide blade is designed by using a three-dimensional vortex surface method, which can ensure that the streaming loss of the blade is lesser and can supply all required circulation for acting of a rotating wheel. An optimization target is a closed plane by tightly sticking an exit of the guide blade with closing base lines. The velocity moment distribution control parameters are used as optimization variables and the blade capable of being closed is designed step by step by orderly changing the values of the optimization variables. The guide blade with a conical space designed by using the method provided by the invention has excellent waterpower performance, has enough precision to realize tightly closing and meets the flowing demand and structure demand at the same time.

The invention discloses a method for breeding a color wheat variety and belongs to the technical field of special wheat breeding. According to the method, a white-grain wheat variety with high yield and high quality is selected to serve as a recurrent parent and hybridized with black-grain wheat, purple-grain wheat and green-grain wheat, progeny and the recurrent parent are subjected to multi-generation backcross, a wheat near-isogenic line is bred and mixed with the white-grain wheat recurrent parent in certain ratio, and a color wheat production variety is generated, wherein for the wheat near-isogenic line, plant and leaf types, agronomic characters and yield traits of the wheat near-isogenic line are close to those of the recurrent parent, and the wheat near-isogenic line has characters of the black grains, purple grains and green grains. After the color wheat variety is planted, the plant and leaf types and the agronomic characters are neat and the same, the yield is high, and harvested wheat contains white-grain wheat, black-grain wheat, purple-grain wheat and green-grain wheat, integrates color, aroma, taste and nutrition efficacy and has very good nutrition and health care functions.

The invention discloses a corn leaf chlorophyll content and phenotype parameter measuring method based on SVM and regression analysis. A relationship model of multispectral information and corn leaf chlorophyll content is built, the corn leaf chlorophyll content is predicted, a distribution map of the corn leaf chlorophyll content is calculated, pseudo color processing is conducted, distribution rules of chlorophyll in the leaf growth length direction and leaf growth width direction are analyzed respectively, and it is proved that the corn leaf chlorophyll content in the seedling stage is gradually increased from leaf bases to leaf tips; the chlorophyll content in the ear period is average in the length direction; the chlorophyll content in the flowering period has an obvious peak on the upper portions of leaves, and the chlorophyll content in the leaf tips is low; in the width direction, the corn leaf chlorophyll content is basically symmetric; curvilinear regression approximating is conducted on corn leaf outlines, and results show that the corn leaf outlets accord with a secondary curve, and the corn leaf type can be expressed by a quadratic equation.