37results about How to "Not bad" patented technology

The invention discloses an antibacterial plastic sheet cutting board and a preparation method thereof. The cutting board is prepared by functional master batch, polypropylene high molecular material and antibacterial master batch according to a certain proportion. The method comprises the following steps: firstly inorganic filling calcium carbonate, French chalk, lithopone and polyethylene low molecular wax are directly added into polypropylene high molecular material resin, mixed in a mixer and granulated; secondly inorganic silicate antibacterial agent and the polyethylene low molecular wax are added directly in the polypropylene high molecular material resin, mixed and granulated; thirdly the functional master batch, polypropylene high molecular material and inorganic silicate antibacterial master batch containing silver ions are mixed according to proportion; fourthly the mixture is poured into a plastic injection machine provided with the cutting board, heated, stirred, dissolved, molded, formed and cooled; and fifthly the prepared antibacterial master batch and the thermoplastic rubber are stirred, placed in a mold and formed so as to obtain antibacterial and antisliding cutting board. The method is easy to be carried out, has simple operation, strong practicability and good antisliding and antibacterial effect.

In a let-off device (1) for a loom with which warp sheets (5) from one delivery beam (4) are divided into a plurality of parts, independently guided to each of the easing rolls (2) and (3) and a warp opening (9) is formed for each of the warp sheets (5a and 5b), the delivery beam is driven on the basis of tension of only the one warp sheet (5a) so that warp tension has set tension for one warp sheet (5a) and the easing roll (3) corresponding to the other warp sheet (5b) makes only an easing movement by an easing apparatus (14) for other warp sheet (5b). The easing apparatus (14) has corresponding easing rolls and the easing spring (16) exerting applied force to the other warp sheet (5b) by the easing rolls, the easing spring is set at constant tension force of the other warp sheet generated according to one warp sheet and abb interleaving number is different to the other warp sheet and abb interleaving number, which is different to the setting tension force, leading the easing rolls to process easing movement normally.

The invention relates to a welding jig for a robot to weld automobile door lower hinge reinforcing plate assemblies. The welding jig is used for coaxially positioning automobile door lower hinge reinforcing plates and accessories to be welded of the automobile door lower hinge reinforcing plate assemblies, so that the accessories to be welded are welded on the automobile door lower hinge reinforcing plates. The welding jig comprises a jig bottom plate, coaxial positioning mechanisms, rotation preventing mechanisms for the accessories to be welded, rotation preventing mechanisms for the automobile door lower hinge reinforcing plates and rapid press pliers. The coaxial positioning mechanisms, the rotation preventing mechanisms for the accessories to be welded, the rotation preventing mechanisms for the automobile door lower hinge reinforcing plates and the rapid press pliers are arranged on the jig bottom plate. Compared with the prior art, the welding jig has the advantages of being easy to operate, convenient to overhaul, dismount and mount, good in error detection, good in welding quality stability, high in production efficiency and the like.

A multifunction refrigerating cabinet with ice - making unit and wine storage unit is prepared as controlling said cabinet by monolithic computer, displaying temperature of each functional zone on display panel, enabling user to operate each functional zone by control panel, realizing ice - separation by twisting ice - making box since ice - making machine is semi- automatic type.

The invention belongs to the technical field of composite materials, and particularly relates to a metal-based polymer material preparation method. The method comprises the following steps of adding epoxy resin into a reaction kettle, heating and uniformly dispersing, adding 5-10 parts of modified epoxy resin, adding an epoxy diluent and a dispersing agent, adding an anti-settling aid, adding a polymerization aid, adding a defoaming agent, mixing Ti, iron oxide powder, electrolytic iron powder, reduced iron powder, carbon black, Cr, Mn, Mg, Zn, Wc, Al and ceramic micro powder to form metal mixed powder, and adding the metal mixed powder into a resin mixed solution, stirring, and defoaming. The preparation method of the composite material comprises the following steps of uniformly stirringthe curing agent and the high polymer material, controlling the temperature to be 20-35 DEG C for preliminary curing, and curing after the temperature is 80-160 DEG C to obtain the finished product. And the mold is made of a polymer composite material. And the prepared mold is high in strength and hardness, small in contractibility and good in sedimentation resistance.

The invention provides a foldable composite wing aircraft with twin-propeller thrust composite ailerons. The foldable composite wing aircraft with the twin-propeller thrust composite ailerons comprises an aircraft body and composite lift wings, wherein the composite lift wings are mounted on the two sides of the aircraft body in a foldable manner; the aircraft body is arranged as a deck platform;self-sealing ducted fans are embedded in the composite lift wings; wing hinges are designed on the external sides of the composite lift wings; propellers are arranged at the front ends of propeller thrust self-energized composite ailerons; self-sealing ducted fans are arranged in the propeller thrust self-energized composite ailerons; electricity, liquid and gas ports and wing hinges are arrangedon one side or two sides of the propeller thrust self-energized composite ailerons; and the propeller thrust self-energized composite ailerons are movably connected with the composite lift wings through the wing hinges. The foldable composite wing aircraft with the twin-propeller thrust composite ailerons has the advantages that the take-off and landing distance is short, the flying speed is high,the structural intensity of the wings is high, the wings can store energy, the flying energy consumption is low, the hang time is long, the safety is high and so on; the ailerons adopt composite lifts so that the adaption range of the power is guaranteed.

The invention relates to the technical field of mine mechanical equipment, in particular to a drilling machine tool special for an opencast mining rotary drill rig and a using method thereof. The special machine tool comprises a drill rod, a fixing seat, a rotary drill rig air compressor, a pneumatic control device and a slag blocking barrel, wherein the fixing seat is provided with a base, a group of pneumatic jacks and a gland; the base is a circular flat-plate base; the group of pneumatic jacks consists of 3 to 5 pneumatic jacks; and the central hole of the base is matched with the outer diameter of the drill rod. The using method comprises the following steps of: drilling a preset hole; sleeving the drill rod into the base, the pneumatic jacks, the gland and the slag blocking barrel in turn; running the drill rod and the pneumatic jacks synchronously; after the slag blocking barrel fully enters the hole, pulling the drill rod out; and inserting another slag blocking barrel until arequired drilling depth is achieved. The invention has the advantages that: the drilling machine tool has a simple structure and high hole forming rate and is convenient to operate; and depth controlis accurate.

The invention relates to the technical field of building detection instrument, in particular to an instrument for judging rebar space and protection layer thickness in a steel concrete structure by amagnetic force. The instrument comprises a collection cylinder, wherein a first connection block is fixedly connected with the bottom of the collection cylinder, a cover is arranged at the top of thecollection cylinder, a second connection block is fixedly connected with one side, far away from the collection cylinder, of the cover, fixed pieces are fixedly connected with sides, adjacent to eachother, of the first connection block and the second connection block, connection holes are formed in the first connection block and the second connection block, and straps are arranged in the two connection holes. The instrument has the advantages that a protection film is arranged, the protection effect of a magnetic rolled plate is effectively improved, and damage to one side far away from a detection surface due to collision and friction of other objects during the application process of the magnetic rolled plate is effectively reduced, so that the magnetic rolled plate is difficult to damage, and the maintenance cost of the magnetic rolled plate is effectively reduced.

The invention belongs to the technical field of composite materials, and particularly relates to a metal-based polymer material which comprises epoxy resin, modified epoxy resin, an epoxy diluent, a dispersing agent, an anti-settling aid, a polymerization aid, a defoaming agent, Ti, iron oxide powder, electrolytic iron powder, reduced iron powder, carbon black, Cr, Mn, Mg, Zn, Wc, Al and ceramic micro powder. The metal-based polymer composite material comprises a metal-based polymer material and a curing agent. The mold is made of a polymer composite material. The prepared mold is high in strength and hardness, small in contractibility and good in sedimentation resistance.

The invention provides a foldable composite-wing cargo aircraft provided with single rear propeller. The foldable composite-wing cargo aircraft comprises a single rear propeller type composite-wing aircraft and a cargo bin, wherein the single rear propeller type composite-wing aircraft comprises an aircraft body, composite lift wings mounted on two sides of the aircraft body in a foldable manner and a thruster; the aircraft body is set as a deck platform; a self-sealing ducted fan is arranged in each composite lift wing, and a wing hinge (1028) is designed on the outer side of the composite lift wing; a magnetic type automatic interlocking port male head and a magnetic type automatic interlocking port female head are arranged on the front and rear sides of each composite lift wing respectively and are of the same size; the thruster is the propeller; the cargo bin is mounted at the lower part of the aircraft body. The foldable composite-wing cargo aircraft has the characteristics of short taking-off and landing distance, high flying speed, high wing structural strength, low flying energy consumption, long hang time and high safety, and the wings can store energy.

The invention belongs to the technical field of agriculture product processing and in particular relates to a health-care tea product and a preparation method thereof. Silkworm excrement Pu'er tea provided by the invention is prepared from the following components in parts by weight: 1 / 3 part of silkworm excrement and 2 / 3 part of fermented Pu'er tea; the silkworm excrement is two-old silkworm excrement which washed and extracted by utilizing a radix et rhizoma salviae miltiorrhizae extracting solution. The silkworm excrement Pu'er tea provided by the invention can have multiple health-care effects of clearing away heat and detoxifying, promoting sleeping and eliminating heat, resisting oxidization, preventing cardiovascular diseases and the like.

The invention discloses a white gourd juice condensing method. The method comprises the following steps: selecting white gourds, washing, cutting, removing impurities, grinding, juicing, performing an enzymatic treatment, coarsely filtering the juice, clarifying the juice, and carrying out vacuum concentration. By condensing the white gourd juice, the costs of transportation, storage, and package can be reduced; moreover, the water content of white gourd juice is largely reduced after condensation, thus the shelf life is prolonged, the condensed white gourd juice can be easily stored and transported, the degradation is difficult, and the shelf life of products is prolonged.

The invention discloses a composite lift force aircraft with a development platform. The composite lift force aircraft consist of a rear single-propeller type composite wing aircraft, thrust-free self-powered composite auxiliary wings assembled at the two sides of the rear single-propeller type composite wing aircraft and an manned bin, wherein the rear single-propeller type composite wing aircraft comprises a machine body, composite lift force wings which are mounted at the two sides of the machine body in a foldable mode, and a propeller; the machine body is a deck platform; self-sealing ducted fans are arranged in the composite lift force wings; wing hinges are designed at the outer sides of the composite lift force wings; self-sealing ducted fans are arranged in the thrust-free self-powered composite auxiliary wings; an electric-liquid gas interface and a wing hinge are arranged at one side or the two sides of each propeller thrust self-powered composite auxiliary wing, and are movably connected with the composite lift force wings through the wing hinges; and the manned bin 112 is mounted below the machine body. The composite lift force aircraft has the characteristics of beingshort in takeoff and landing distance, high in flying speed, high in wing structural strength, capable of storing energy by wings, low in flying energy consumption, long in hang time, high in safetyand the like.

In a let-off device (1) for a loom with which warp sheets (5) from one delivery beam (4) are divided into a plurality of parts, independently guided to each of the easing rolls (2) and (3) and a warp opening (9) is formed for each of the warp sheets (5a and 5b), the delivery beam is driven on the basis of tension of only the one warp sheet (5a) so that warp tension has set tension for one warp sheet (5a) and the easing roll (3) corresponding to the other warp sheet (5b) makes only an easing movement by an easing apparatus (14) for other warp sheet (5b). The easing apparatus (14) has corresponding easing rolls and the easing spring (16) exerting applied force to the other warp sheet (5b) by the easing rolls, the easing spring is set at constant tension force of the other warp sheet generated according to one warp sheet and abb interleaving number is different to the other warp sheet and abb interleaving number, which is different to the setting tension force, leading the easing rolls to process easing movement normally.

The invention relates to a rear single screw foldable composite wing manned craft with an additional wing. The rear single screw foldable composite wing manned craft comprises a craft body, the composite lift force wings mounted at the two sides of the craft body in a foldable manner and a propeller, wherein the craft body is arranged as a deck platform, the self-sealing ducted fans are arranged in the composite lift force wings, and the wing hinges are designed at the outer sides of the composite lift force wings; a manned cabin is arranged below the craft body, a magnetic type automatic interlocking interface male connector and a magnetic type automatic interlocking interface female connector are respectively arranged in front of and behind the composite lift force wings, and the magnetic type automatic interlocking interface male connector and the magnetic type automatic interlocking interface female connector have the same size. A wing hinge and an electric-hydraulic-gas interfaceare arranged on one side, facing the craft body, of the additional wing, and the additional wings are installed at the outer sides of the composite lift force wings in a foldable manner through the wing hinges. The craft has the characteristics of short take-off and landing distances, high flight speed, high structural strength of the wings, energy storage wings, low flight energy consumption, long hang time, high safety and the like.

The invention discloses an antibacterial plastic sheet cutting board and a preparation method thereof. The cutting board is prepared by functional master batch, polypropylene high molecular material and antibacterial master batch according to a certain proportion. The method comprises the following steps: firstly inorganic filling calcium carbonate, French chalk, lithopone and polyethylene low molecular wax are directly added into polypropylene high molecular material resin, mixed in a mixer and granulated; secondly inorganic silicate antibacterial agent and the polyethylene low molecular wax are added directly in the polypropylene high molecular material resin, mixed and granulated; thirdly the functional master batch, polypropylene high molecular material and inorganic silicate antibacterial master batch containing silver ions are mixed according to proportion; fourthly the mixture is poured into a plastic injection machine provided with the cutting board, heated, stirred, dissolved, molded, formed and cooled; and fifthly the prepared antibacterial master batch and the thermoplastic rubber are stirred, placed in a mold and formed so as to obtain antibacterial and antisliding cutting board. The method is easy to be carried out, has simple operation, strong practicability and good antisliding and antibacterial effect.

The invention discloses poplar-leaf containing goat feed. The poplar-leaf containing goat feed is prepared from raw materials including, by weight, 15%-23% of wheat bran, 25%-38% of corn flour, 20%-32% of poplar leaf powder, 1%-5% of sea salt, 5%-13% of sweet potato powder and 10%-17% of bean cakes. By the arrangement, adequate nutrition can be provided for coats, the feed is high in content of cellulose which is beneficial to gastrointestinal health, and the poplar-leaf containing goat feed is long in shelf life and less prone to deterioration.

A foldable composite-wing manned aircraft with double-propeller-thrust composite auxiliary wings is provided. A rear-thrust-free type composite-wing aircraft includes a fuselage and composite liftingwings mounted, in a foldable manner, at two sides of the fuselage. The fuselage is a deck platform. Self-sealing ducted fans are disposed in the composite lifting wings. Hinges are arranged at outer sides of the composite lifting wings. Front ends of propeller-thrust self-powered composite auxiliary wings are provided with propellers. Self-sealing ducted fans are disposed in the propeller-thrust self-powered composite auxiliary wings. Electro-hydraulic gas connectors and wing hinges are disposed on one or two sides of the propeller-thrust self-powered composite auxiliary wings. The composite auxiliary wings are movably connected to the composite lifting wings through the wing hinges. A manned bin is mounted at the lower part of the fuselage. The aircraft has characteristics of short take-off and landing distances, a high flight speed, high wing structural strength, a characteristic that the wings can store energy, low flight energy consumption, long flying time, high safety, and the like. Composite lifting force is adopted by the auxiliary wings, thus ensuring the adaptive range of power.

The invention provides a composite lift force aircraft with an extended platform. The aircraft is composed of a rear single-propeller type composite wing aircraft, non-thrust self-energy-supply composite auxiliary wings assembled on the two sides of the rear single-propeller type composite wing aircraft and a freight transport bin. The rear single-propeller type composite wing aircraft comprises an aircraft body, composite lift force wings installed on the two sides of the aircraft body in a foldable mode and a propeller thruster. The aircraft body is arranged as a deck platform; self-sealingducted fans are arranged in the composite lift force wings, and wing hinges are designed on the outer sides of the composite lift force wings; and self-sealing ducted fans are arranged in the non-thrust self-energy-supply composite auxiliary wings, an electro-hydraulic-gas interface and a wing hinge are arranged on one side or two sides of each non-thrust self-energy-supply composite auxiliary wing, the non-thrust self-energy-supply composite auxiliary wings are movably connected with the composite lift force wings through the wing hinges, and the freight transport bin is installed below the aircraft body. The composite lift force aircraft has the advantages that the take-off and landing distance is short, the flight speed is high, the wing structural strength is high, the wings can storeenergy, flight energy consumption is low, the hang time is long, and safety is high.

The present invention relates to a kind of trapezoidal cavity structure material, including lots of trapezoidal cavity tube bodies. Said material at least has a layer of side-by-side complementary arranged trapezoidal cavity tube body layer. The side-by-side arranged trapezoidal cavity tube body layer includes a zigzag intermediate layer and a lining layer adhered with trapezoidal bottom of two sides of zigzag intermediate layer. When structure includes at least two layers of side-by-side arranged trapezoidal cavity tube body layer, the adjacent trapezoidal cavity tube body layers are mutually adhered together by means of shared lining layer, and the arrangement of adjacent two layers of trapezoidal cavity tube body layers is parallelly-arranged, also can be vertically-arranged. The zigzag intemediate layer and lining layer material is made up by using paper through the processes of adhesion and hardening treatment by hardening agent, so it possesses extensive application.

The invention provides a composite lift force aircraft with an expansion platform. The aircraft is composed of a rear single-propeller type composite wing aircraft and propeller thrust self-energy-supply composite auxiliary wings assembled on the two sides of the rear single-propeller type composite wing aircraft. The rear single-propeller type composite wing aircraft comprises an aircraft body, composite lift force wings installed on the two sides of the aircraft body in a foldable mode and a propeller thruster, wherein the aircraft body is arranged to be a deck platform; self-sealed ducted fans are arranged in the composite lift force wings, and wing hinges are arranged on the outer sides of the composite lift force wings; and self-sealed ducted fans are arranged in the propeller thrustself-energy-supply composite auxiliary wings, electro-hydraulic-gas ports and wing hinges are arranged on one side or two sides of each propeller thrust self-energy-supply composite auxiliary wing, and the propeller thrust self-energy-supply composite auxiliary wings are movably connected with the composite lift force wings through the wing hinges. The aircraft has the beneficial effects that thetake-off and landing distance is short, the flight speed is high, the wing structural strength is high, the wings can store energy, the auxiliary wings adopt composite lift force and have propeller power, the flight energy consumption is low, the aerial duration time is long, and safety is high.

The invention discloses a wall-mounted plastic bag bracket, relates to articles for daily use, and aims to solve the problem that the conventional plastic bag bracket cannot be mounted on a wall directly and a bag opening is not convenient to close when the conventional plastic bag bracket is not used. The wall-mounted plastic bag bracket comprises fastening pieces, a fixing seat, supports, compaction strips and a sucking disc; the fixing seat is n-shaped; the supports are relatively fixed at two ends in an n-shaped groove by the fastening pieces; each support is provided with the compaction strip; the sucking discs are arranged on the fixing seat; and the wall-mounted plastic bag bracket has a simple design, is easy to manufacture and is convenient to use.

The invention discloses a method for simulating constant-temperature pickling of low-salt hams. The method comprises the following steps: selecting fresh hams as raw material; trimming: trimming the ham into a lute shape; salt rubbing pickling: adding salt during ham pickling, and rubbing the salt after the salt is added; constant-temperature refrigeration-house pickling, wherein the pickling timeis 25-30 days, the temperature of the constant-temperature refrigeration house is 0-10 DEG C, and the number of times of ham turning is larger than or equal to 1; cold air drying, wherein the cold air drying temperature ranges from 10 DEG C to 15 DEG C, the working time of a cold air fan ranges from 2 h to 4 h, the working intermittent time of the cold air fan ranges from 2 h to 4 h, the air drying time ranges from 48 h, and air drying dewatering is stopped when the moisture of the ham is reduced to 75%; constant-temperature pickling: stopping dewatering when the water content is reduced to 75%, and performing constant-temperature and constant-humidity fermentation; gradually increasing the temperature to 30 DEG C at night, immediately reducing the temperature to 18-23 DEG C when the moisture of the ham is reduced by 70% in the next day, and preserving at normal temperature, so that the hams are in the ventilated environment and is not irradiated by sunlight; collecting and storing the pickled hams; the problems of low-salt pickling and perennial pickling of the hams are solved, low-salt perennial pickling of the hams is achieved, and the requirements of consumers in different regions for the low-salt hams are met.

The invention relates to a welding jig for a robot to weld automobile door lower hinge reinforcing plate assemblies. The welding jig is used for coaxially positioning automobile door lower hinge reinforcing plates and accessories to be welded of the automobile door lower hinge reinforcing plate assemblies, so that the accessories to be welded are welded on the automobile door lower hinge reinforcing plates. The welding jig comprises a jig bottom plate, coaxial positioning mechanisms, rotation preventing mechanisms for the accessories to be welded, rotation preventing mechanisms for the automobile door lower hinge reinforcing plates and rapid press pliers. The coaxial positioning mechanisms, the rotation preventing mechanisms for the accessories to be welded, the rotation preventing mechanisms for the automobile door lower hinge reinforcing plates and the rapid press pliers are arranged on the jig bottom plate. Compared with the prior art, the welding jig has the advantages of being easy to operate, convenient to overhaul, dismount and mount, good in error detection, good in welding quality stability, high in production efficiency and the like.

The invention discloses an inserting type continuous polishing device for a board. The device comprises a polishing wheel and a driving motor; the driving motor is mounted on a motor platform; a pulley is arranged on a driving shaft of the driving motor; the polishing wheel is arranged on a main shaft by rotating; another pulley is arranged on the polishing wheel and is in transmission connection with the pulley of the transmission motor through a belt. The polishing device is simple in structure, and convenient to mount and dismount; the polishing wheel is conveniently replaced; in addition, the device is low in manufacturing cost, difficultly damaged, relatively low in maintenance and repair cost, and wide in applicable scope.

The invention discloses a foldable type composite lifting power aircraft with an extended platform. The foldable type composite lifting power aircraft with the extended platform comprises an aircraftbody, composite lifting power wings which are installed at the two sides of the aircraft body in a foldable mode and a propeller, wherein the aircraft body is arranged as a deck platform; self-sealingducted fans are arranged in the composite lifting power wings; horizontal lifting rudder wings are arranged in the composite lifting power wings, and the composite lifting power wings are externallyprovided with vertical tail wings and vertical rudder wings. Compared with the prior art, the foldable type composite lifting power aircraft with the extended platform has the characteristics that thetake-off and landing distance is short, the loading capacity is large, the flight speed is high, the flight distance is far, the aircraft is maneuverable and flexible, the supermobility of the flightpath can be realized, the obstacle avoidance ability is good, the energy consumption is low, the extended functions are multiple, the hang time is long and space occupation is small; in addition, thestorage and transportation space occupation is reduced and the foldable type composite lifting power aircraft with the extended platform is especially suitable for the environment with limited spacesuch as families and aircraft carriers. According to the scheme, the quantity of carrier based aircrafts can be greatly increased, and the advantages that the number of the aircraft carried by medium-sized carriers is no less than that of large-sized carriers and the like can be achieved.

The invention relates to the technical field of mine mechanical equipment, in particular to a drilling machine tool special for an opencast mining rotary drill rig and a using method thereof. The special machine tool comprises a drill rod, a fixing seat, a rotary drill rig air compressor, a pneumatic control device and a slag blocking barrel, wherein the fixing seat is provided with a base, a group of pneumatic jacks and a gland; the base is a circular flat-plate base; the group of pneumatic jacks consists of 3 to 5 pneumatic jacks; and the central hole of the base is matched with the outer diameter of the drill rod. The using method comprises the following steps of: drilling a preset hole; sleeving the drill rod into the base, the pneumatic jacks, the gland and the slag blocking barrel in turn; running the drill rod and the pneumatic jacks synchronously; after the slag blocking barrel fully enters the hole, pulling the drill rod out; and inserting another slag blocking barrel until arequired drilling depth is achieved. The invention has the advantages that: the drilling machine tool has a simple structure and high hole forming rate and is convenient to operate; and depth controlis accurate.

The invention relates to a caraway extractive and a preparation method thereof. The caraway extractive is prepared through the method which comprises the following steps of removing dust through air separation for a caraway raw material; freezing, and crushing at low temperature; fast transferring obtained caraway powder into an extraction kettle of a supercritical carbon dioxide fluid extraction device, then closing a kettle cover, extracting, collecting a product, namely an aroma component which is released from a separation kettle; continuously extracting the caraway powder subjected to supercritical extraction by using edible alcohol, filtering, concentrating, and collecting paste to obtain a product, namely a caraway taste component; uniformly mixing the aroma component and the caraway taste component to obtain the caraway extractive. The caraway extractive disclosed by the invention has the advantages of high effective component utilization ratio, stable state, convenient use, long quality guarantee period and low deterioration possibility, and is favorable to the large-scale application of food industry.

The invention relates to a composite lift aircraft provided with an extended platform. The composite lift aircraft comprises a rear single propeller type composite wing aircraft and propeller thrust self-powering composite auxiliary wings assembled on two sides of the rear single propeller type composite wing aircraft, wherein the rear single propeller type composite wing aircraft comprises a body, composite lift wings mounted on two sides of the body in a foldable manner and a propeller thruster; the body is set as a deck platform; self-closed ducted fans are arranged in the composite lift wings, and wing hinges are designed on the outer sides of the composite lift wings; self-closed ducted fans are arranged in the propeller thrust self-powering composite auxiliary wings, electric liquidgas ports and wing hinges are arranged on one side or two sides of each propeller thrust self-powering composite auxiliary wing, and the propeller thrust self-powering composite auxiliary wings are movably connected with the composite lift wings through the wing hinges. The composite lift aircraft has the characteristics that the take-off and landing distance is short, the flight speed is high, the wing structure strength is high, the wings can store energy, the auxiliary wings adopt composite lift force, the flight energy consumption is low, the hang time is long, the safety is high and the like.

The invention discloses vinegar bath cream and a preparation method thereof, and belongs to the technical field of bath cream. The preparation method of the vinegar bath paste comprises the following steps: step 1, preparing concentrated vinegar paste; step 2, preparing a Chinese prickly ash seed leaching solution; step 3, preparing fistular onion stalk extract liquid; step 4, preparing a fresh ginger extract liquid; step 5, preparing a fried salt saturated solution; step 6, preparing leach liquor of peanut leaves and white radish leaves; step 7, preparing sweet potato powder and rice bran powder; and 8, preparing the vinegar bath paste. The invention also discloses the vinegar bath cream prepared by the preparation method. The vinegar bath cream prepared by the invention has the effects of clearing heat, eliminating dampness, diminishing inflammation, sterilizing, relieving itching and relieving pain, can clean the skin, enables the skin to be smooth, compact, smooth and elastic, and also can resist oxidation and delay senescence.