31results about How to "Flexible and light" patented technology

A thin-film transistor including an oxide semiconductor layer is disclosed. The oxide semiconductor layer includes a first area, a second area and a third area forming a well-type potential in the film-thickness direction. The first area forms a well of the well-type potential and has a first electron affinity. The second area is disposed nearer to the gate electrode than the first area and has a second electron affinity smaller than the first electron affinity. The third area is disposed farther from the gate electrode than the first area and has a third electron affinity smaller than the first electron affinity. At least an oxygen concentration at the third area is lower than an oxygen concentration at the first area.

A system and method for an integrated rechargeable power system for a container monitoring and security system is provided. The power system is affixed to a container and comprises an integrated photovoltaic area conforming to the container construction, a battery pack module, power conditioning circuitry or recharge unit, and a power controller unit. The photovoltaic unit may be a conventional photovoltaic crystalline cell array, or a photovoltaic coating with is applied to the walls, door, or roof of a container.

The invention relates to a building finish material, in particular to composite a raw material and the dosage proportion of the building finish material as well as flexible plates and building decorative plates made of the building finish material. The building plates made of the building finish material has the characteristics of light weight, thinness, flexibility, and good adhesion to a wall body.

The invention discloses a stretchable strain sensor based on polyurethane fiber and a preparation method of the strain sensor. The polyurethane fiber is taken as a matrix, the surface of the matrix issequentially wrapped with an inner conductive structure adopting a graphene nanosheet layer and an outer conductive structure adopting a collaboratively conductive network layer of carbon black and single-walled carbon nanotubes. The strain sensor has good softness, stretching characteristic and large-scale integration characteristic and can serve as a wearable device compatible with skin.

The invention relates to a method for increasing gallnut yield by cultivating moss and culturing aphids on non-woven fabric as a matrix, and belongs to the technical field of cultivation of economic forests. According to the method disclosed by the invention, according to the biological characteristics of good winter host moss for gallnut aphids, by taking schlechtendalia chinensis production as an example and taking the non-woven fabric as a carrier, the moss is cultivated and the aphids are cultured on the non-woven fabric matrix, and artificial management and culture is performed through a gallnut aphid scattering method or by inoculating gallnut aphids and autumn migrants, therefore the survival rate of overwintering aphids is increased; through production application in gallnut producing areas, such as Wufeng Tujia autonomous county, Zhushan county in Hubei province, the density of the overwintering aphids on the moss reaches 21 thousand per square meter on average, and the highest gallnut yield of a three-year-old gallnut forest is 82.5 kilograms per mu, which has a remarkable yield-increasing effect in comparison with the yield 30 to 50 kilograms per mu of traditional forest moss cultivation. The non-woven fabric adopted by the method disclosed by the invention is low in cost and small in size; moreover, the aphids and the moss are light in weight, firm as a whole, and easy to move; the aphids can be conveniently collected or scattered, and a better aphid collecting effect can be achieved; the method is simple and convenient in management and easy to popularize and apply.

In various embodiments, a carrying bag includes a carrying bag body formed by a security panel assembly comprising a cut-resistant fabric or mesh, with a strap channel having at least two spaced-apart reinforced channel openings; and a carrying strap comprising: first and second wire cables; a first flexible material having a first lateral region folded around the first wire cable to enclose the first wire cable and a second lateral region folded around the second wire cable to enclose the second wire cable; and a second flexible material arranged on or over a central region of the first flexible material. Representative embodiments may include a water-resistant pocket coupled to a protected seam and extending to an exterior of the carrying bag body; and a fastener to close the water-resistant pocket external to the carrying bag body.

In various embodiments, a carrying bag is disclosed which includes a one or more security panel assemblies comprising a first flexible material layer and a polymeric fiber matrix, such as a polymer fiber-based cut-resistant fabric, matrix or mesh. Various carrying straps are disclosed which include a first flexible fabric or webbing; and a second flexible fabric or webbing comprising a polymeric fiber matrix. Additional polymeric fibers, filaments, cables, threads or yarns may be included in the security panel assemblies and straps, such as cut-resistant monofilament and multifilament fibers comprised of a polyethylene such as ultra high molecular weight polyethylene (UHMWPE), high-modulus polyethylene (HMPE), or High Performance Polyethylene (HPPE), for example.

The invention belongs to the technical field of silk processing and specifically relates to a method for preparing sterilizing and sleep promoting silk floss from a mulberry silk byproduct. The methodcomprises the steps: (1) adding a mulberry silk byproduct, water and immobilized bacteria into a corruption vat to be fermented, sending electric field into in a fermentation process and filtering and dewatering after fermentation; (2) taking hydrogen peroxide, percarbonyl amine and alkaline ion liquid, adding water to be prepared into a water solution, adjusting a pH value, putting the fermentedmulberry silk byproduct into the water solution to be soaked under the normal temperature according to a bath ratio of 1 to (20 to 30), heating and degumming; (3) adding hydrogen peroxide, EDTA and oxalic acid into water to obtain a mixed solution, then putting the degummed mulberry silk byproduct into the mixed solution to be soaked and bleached; (4) utilizing clean water to wash the bleached mulberry silk byproduct to obtain thick silk floss and finally, treating the thick silk floss by an expanding agent, a softening agent, a tourmaline sol solution, nano medical stone water suspension andtraditional Chinese herbal medicine liquid to obtain the sterilizing and sleep promoting silk floss.

Provided is a sound insulation structure of an internal combustion engine capable of preventing propagation of a sound generated by an injector into an interior of a vehicle. The sound insulation structure of the internal combustion engine includes a V-type cylinder block having a right bank and a left bank; a right bank intake pipe supplying a gas to the right bank; a left bank intake pipe supplying the gas to the left bank and intersecting the right bank intake pipe; in-cylinder injection injectors arranged in a surrounded space surrounded by the right and left banks and the intake pipes; and a sound insulation member arranged in the surrounded space between the in-cylinder injection injectors and an intersection region.

The invention discloses an auxiliary finger exercise device and an auxiliary exercise method. It is hard for an existing soft-driving auxiliary finger exercise device to conform to the bending characteristics of the fingers. The auxiliary finger exercise device comprises a pneumatic auxiliary glove and a driving air circuit. The pneumatic auxiliary glove comprises a main glove body, a hand back bending mechanism and a palm straightening mechanism. The hand back bending mechanism comprises a first ventilation pipe and five finger flexion assemblies. The five finger flexion assemblies are arranged on the outer side faces of five fingerstalls of the main glove body respectively. Each finger flexion assembly comprises a branch air pipe and a plurality of individual airbags. The individual airbags are arrayed in the length direction of the corresponding finger sleeves in sequence. The palm straightening mechanism comprises a second ventilation pipe and five straightening rubber pipes. The five straightening rubber pipes are arranged on the inner side faces of the five finger sleeves of the main glove body respectively. The auxiliary finger exercise device adopts a soft driving mode, nosecondary injuries are easily caused to the fingers, and the auxiliary finger exercise device has the functions of auxiliary bending and auxiliary straightening at the same time.

A system and method for an integrated rechargeable power system for a container monitoring and security system is provided. The power system is affixed to a container and comprises an integrated photovoltaic area conforming to the container construction, a battery pack module, power conditioning circuitry or recharge unit, and a power controller unit. The photovoltaic unit may be conventional photovoltaic crystalline cell array, or a photovoltaic coating with is applied to the walls, door, or roof of a container.

The invention belongs to the technical field of mulberry silk processing, and particularly relates to a method for preparing elastic expanding silk floss by mulberry silk by-products. The method includes the steps: (1) adding the mulberry silk by-products, water and immobilization strains into a rot cylinder to ferment mixture, regularly leading in a magnetic field in the fermentation process, andfiltering and dewatering the fermented mulberry silk by-products; (2) taking hydrogen peroxide, percarbamide and basic ionic liquid to add water to prepare water solution, adjusting a pH (potential of hydrogen) valve of the water solution, placing the fermented mulberry silk by-products into the water solution according to the bath ratio of 1:(20-30), soaking the mulberry silk by-products, and heating the mulberry silk by-products to remove glue; (3) adding hydrogen peroxide, EDTA (ethylene diamine tetraacetic acid) and oxalic acid into water to obtain mixed solution, and placing the mulberrysilk by-products after glue removal into the mixed solution to soak and bleach the mulberry silk by-products; (4) flushing the bleached mulberry silk by-products by clear water to obtain coarse silkfloss, and treating the coarse silk floss by the aid of expanding agents and finishing agents to obtain the elastic expanding silk floss.

In various embodiments, a carrying bag includes a carrying bag body formed by a security panel assembly comprising a cut-resistant fabric or mesh, with a strap channel having at least two spaced-apart reinforced channel openings; and a carrying strap comprising: first and second wire cables; a first flexible material having a first lateral region folded around the first wire cable to enclose the first wire cable and a second lateral region folded around the second wire cable to enclose the second wire cable; and a second flexible material arranged on or over a central region of the first flexible material. Representative embodiments may include a water-resistant pocket coupled to a protected seam and extending to an exterior of the carrying bag body; and a fastener to close the water-resistant pocket external to the carrying bag body.

The invention discloses a valve plate driving mechanism of a sealing cavity, comprising a movable guiding device, a mounting plate, a first driving device, a connecting device and a second driving device. The movable guiding device is arranged below a transferring window of the sealing cavity and fixedly connected with the outer side wall of the sealing cavity, the mounting plate is longitudinally and glidingly connected with the movable guiding device and fixedly connected with the first driving device, and the connecting device is respectively connected with a valve plate and the second driving device which is respectively connected with the connecting device and the mounting plate. The valve plate driven by the first driving device of the valve plate driving mechanism of the sealing cavity through the mounting plate to make longitudinal linear reciprocating motion and driven by the second driving device to make transversal linear reciprocating motion so as to realize the process ofopening or closing the transferring window through the valve plate and have the advantages of simple and compact structure, flexible and convenient action, very simple processing and operation of spare parts, easy implementation and lower equipment configuration cost.

The invention discloses an application of a graphene composite material as an electromagnetic shielding material, and belongs to the technical field of new materials and applications thereof. The graphene composite material with isotropic and three dimensional connected conductive network skeleton is prepared through uniformly coating the surface of a foam sponge skeleton with a graphene material by compounding graphene and foam sponge. The electromagnetic shielding performance of the material is excellent, and the electromagnetic shielding effectiveness of the material with the thickness of 1.5mm can reach 40dB. The material can bear 80% compression deformation, has good flexibility and elasticity, and has a density of about 0.05g / cm<3>, and the unit density electromagnetic shielding effectiveness can reach 800dB.cm<3> / g. The material can effectively shield electromagnetic radiation interference, improve the reliability of electronic products and prolong the service life of the electronic products as an electromagnetic shielding material. The graphene composite material has characteristics of massive preparation by adopting an industrial method, low cost, light weight and high efficiency.

The invention discloses an unmanned aerial vehicle provided with a telescopic frame. The unmanned aerial vehicle provided with the telescopic frame comprises a vehicle body, wherein the vehicle body is fixedly connected with wheels by virtue of a connecting frame and a cylinder, a propeller is arranged on the cylinder, a base is arranged in the middle of the vehicle body, the base is fixedly connected with a connecting plate by virtue of an electric telescopic rod, a base plate is arranged below the connecting plate, the telescopic frame is arranged between the connecting plate and the base plate, a displacement sensor is arranged at a joint of the telescopic frame and the base plate, the electric telescopic rod comprises a fixed plate, a multi-stage telescopic rod, a motor and a speed reducer, the multi-stage telescopic rod is arranged below the fixed plate, the multi-stage telescopic rod is fixedly connected with the fixed plate, and the motor and the speed reducer are arranged on the fixed plate. The unmanned aerial vehicle provided with the telescopic frame occupies small space, an article required can be taken out or placed without requiring the vehicle body to land beside a person, the structure is compact, the movement is flexible and convenient, and the movement and adjustment are convenient.

The invention discloses an efficient and stable novel photo-thermal water evaporation material with a self-cleaning function and a preparation method thereof. The photo-thermal water evaporation material comprises a polydimethylsiloxane (PDMS) top layer, a photo-thermal material middle layer and a water absorption material bottom layer, wherein the polydimethylsiloxane (PDMS) top layer plays a role in protection, the photo-thermal material middle layer converts light energy into heat energy, and the water absorption material bottom layer conveys water to the photo-thermal material through capillary acting force. The efficient and stable novel photo-thermal water evaporation material with the self-cleaning function has efficient photo-thermal water evaporation capacity and good absorbance, the preparation process is simple, the material is flexible and convenient to carry, repeatability is good, and the material is suitable for large-scale production. In addition, the mode that the water vapor overflows from the lower portion is more beneficial to collection of the water vapor under the condition that illumination is not affected, and the material is suitable for seawater desalination and fresh water purification.

The invention belongs to the technical field of silk processing, and particularly discloses a method for preparing silk floss from mulberry silk byproducts. The method includes steps of (1), adding water and mulberry silk byproducts, water and immobilized strains into decaying vats, carrying out fermentation, then taking out the mulberry silk byproducts, and filtering and dehydrating the mulberrysilk byproducts to obtain fermented mulberry silk byproducts; (2), adding 30% hydrogen peroxide w / w, amide percarbonate and alkaline ionic liquid into water to prepare aqueous solution, regulating a pH (potential of hydrogen) value of the aqueous solution, placing the fermented mulberry silk byproducts in mixed solution A according to a bath ratio of 1:20-30, soaking the fermented mulberry silk byproducts in the mixed solution A at the normal temperature at first, then heating the fermented mulberry silk byproducts and degumming the fermented mulberry silk byproducts; (3), adding 30% hydrogenperoxide w / w, EDTA (ethylene diamine tetraacetic acid) and oxalic acid into water to obtain mixed solution B, then placing degummed mulberry silk byproducts in the mixed solution and carrying out soaking bleaching treatment on the degummed mulberry silk byproducts; (4), washing the mulberry silk byproducts by clear water after bleaching treatment is carried out on the mulberry silk byproducts, drying and dehydrating the mulberry silk byproducts and acquiring the silk floss after the silk floss is qualified by detection.

In various embodiments, a carrying bag is disclosed which includes a one or more security panel assemblies comprising a first flexible material layer and a polymeric fiber matrix, such as a polymer fiber-based cut-resistant fabric, matrix or mesh. Various carrying straps are disclosed which include a first flexible fabric or webbing; and a second flexible fabric or webbing comprising a polymeric fiber matrix. Additional polymeric fibers, filaments, cables, threads or yarns may be included in the security panel assemblies and straps, such as cut-resistant monofilament and multifilament fibers comprised of a polyethylene such as ultra high molecular weight polyethylene (UHMWPE), high-modulus polyethylene (HMPE), or High Performance Polyethylene (HPPE), for example.

The invention discloses a stretchable strain sensor based on polyurethane fiber and a preparation method of the strain sensor. The polyurethane fiber is taken as a matrix, the surface of the matrix issequentially wrapped with an inner conductive structure adopting a graphene nanosheet layer and an outer conductive structure adopting a collaboratively conductive network layer of carbon black and single-walled carbon nanotubes. The strain sensor has good softness, stretching characteristic and large-scale integration characteristic and can serve as a wearable device compatible with skin.

The invention discloses a high-expansion degradable nasal cavity filling hemostasis material and a preparation method thereof. The hemostasis material is a product prepared by taking carboxymethyl chitosan, bacterial cellulose, water, an activating agent and a degradation regulating agent as raw materials. According to the hemostasis material, the implantation size is small, the hemostasis material not only can be integrally implanted into the nasal cavity, but also can be implanted after being trimmed as needed, and clinic use is flexible and convenient; the liquid absorbing speed is high, the hemostasis material can absorb liquid to be completely expanded within 20 seconds, and the expanding size reaches 10 times that of the self size; the material is low in weight, flexible, rich in elasticity, high in plasticity, full and uniform in oppression to the mucosa, good in patient comfort, great in market application and popularization potential and wide in social benefit prospect.

The invention relates to a pneumatic four-finger manipulator structure. The pneumatic four-finger manipulator structure comprises a palm, a thumb and three auxiliary fingers; the three auxiliary fingers are fixedly installed on the front end face of the palm through first motors; the thumb is rotationally connected with the palm through a second motor; a transmission rod is vertically and fixedly installed on a rotating shaft of the second motor; the other end of the transmission rod penetrates through the palm and extends out of the palm; a third motor is fixedly installed in the transmission rod; the output end of the third motor is rotationally connected with the thumb; the thumb and the three auxiliary fingers are the same in structure; the auxiliary fingers are wrapped with telescopic hoses; and a rotary disc is fixedly installed at the power output end of the second motor; and the other side of the rotary disc is fixedly provided with a connecting rod. The pneumatic four-finger manipulator structure has the characteristics of being compact in structure, light in weight and good in flexibility; flexible adjustment of the mechanical fingers is truly achieved through the telescopic hoses wrapping the mechanical fingers; and objects in irregular shapes can be stably grabbed, and the maximum grabbing mass is improved.

The invention discloses a finger auxiliary exercise device and an auxiliary exercise method. It is difficult for existing soft-driven finger assisted motion devices to fit the bending characteristics of fingers. The invention relates to an auxiliary finger exercise device, which comprises a pneumatic auxiliary glove and a driving air circuit. The pneumatic assisted glove includes a glove main body, a dorsum bending mechanism and a palm straightening mechanism. The dorsiflexion mechanism includes a first ventilator and five flexor assemblies. The five flexor components are respectively arranged on the outer surfaces of the five finger cuffs of the glove main body. The flexor assembly consists of a branch trachea and multiple individual air cells. A plurality of individual airbags are sequentially arranged along the length direction of the corresponding finger cuffs. The straightening mechanism of the palm comprises a second air pipe and five straightening rubber tubes. Five straight rubber tubes are respectively arranged on the inner surfaces of the five finger cuffs of the glove main body. The present invention adopts a soft driving mode, which is not easy to cause secondary damage to the fingers, and has the functions of assisting bending and assisting straightening at the same time.

The embodiment of the invention discloses a flexible waist and hip mechanism and portable power assisting equipment thereof. The flexible waist and hip mechanism comprises a waistband, a back plate and a waist rod, the waistband is arranged on the waist of a wearer in a surrounding mode, and the back plate is fixed to the waistband; one end of the waist rod is in transmission connection with the back plate, and the other end of the waist rod is in transmission connection with the hip mechanism; the joint of the waist rod and the back plate can slide up and down to adapt to different waist heights, the length of the waist rod can be adjusted to adapt to different waist widths, and the joint of the waist rod and the hip mechanism can be adjusted front and back to adapt to different waist depths. The flexible waist and hip mechanism has multiple degrees of freedom, so that power can be well transmitted from the back to the waist and the legs, and the problem of matching caused by various movements of the lower limbs of the human body can be well solved; the portable power assisting equipment is portable in structure, compact, close-fitting and high in reliability.

A safety element for vehicles includes a magnetic layer and a reflective layer attached to the magnetic layer.

The invention aims at providing a composite pipe of good quality and environmental protection which can compound PE-RT (heat-resistant polyethylene) and PB (polybutene) very well; a PAP three-layer composite pipe which is provided by the invention is formed by compounding an outer layer, a middle layer and an inner layer together; the outer layer is PE-RT; the middle layer is binding resin; the inner layer is PB; and the binding resin is a anhydride modified vinyl polymer. The PAP three-layer composite pipe uses the environmental protection material of the binding resin for compounding the PB and the PE-RT together very well, and breaks the history that the PB and the PE-RT are mutually exclusive and never joined together; on the precondition that the using performance keeps unchanged, the advantages of PB drinking water performance can be used for overcoming the high price thereof so as to reduce the cost.

The invention discloses a high-sensitivity flexible pressure sensor based on a modified paper base and a preparation method thereof. In the pressure sensor, the paper base modified by sodium hydroxide is dipped in a conductive solution as a tactile sensitive unit. The pressure sensor obtained in the present invention has high sensitivity, fast response characteristics, low detection limit and long-lasting performance, and can be used as an electronic skin to monitor various physiological parameters of the human body, such as pulse, respiration, sound and the like.