Solar cell with morphing type superlattice structure

The invention discloses a solar cell which consists of a plurality of stack 'pn' knot structures and a plurality of tunnel-through junction layers, wherein the tunnel-through junction layers are positioned between the stack 'pn' knot structures; moreover, one of the stack 'pin' knot structures comprises at least one p-typed semiconductor layer, one n-typed semiconductor layer, and one gradient superlattice structure positioned between the p-typed and the n-typed semiconductor layers. An energy gap of the gradient superlattice structure is between the energy gap of indium gallium phosphide (InGap) and the energy gap of gallium arsenide (GaAs). Therefore, a wavelength response range can be improved up to 1.0ev to add the wavelength response frequency spectrum; besides, owing to the gradientsuperlattice structure, a voltage barrier come up against by a current carrier in the area is relatively small and is easy to be stepped over, thus adding efficiency.

Device for rapidly detecting human blood sugar content by sweat and detection method thereof

The invention relates to a device for rapidly detecting human blood sugar content by sweat and a detection method thereof, belongs to the technical field of medical instruments, and solves the technical problem of invasive blood sugar detection. The front surface of a shell is provided with an opening, sliding rails disposed in parallel are arranged between left and right inner walls and the lower part of the shell, a drawer is arranged on the sliding rails, an ellipsoidal pit is arranged in the middle of the bottom surface of the drawer, and a Helmholtz coil is arranged above the drawer in the horizontal direction; contacts comprise a test contact and a reference contact, the surface of each contact is provided with a chromium element layer and a gold element layer from the inside to outside in a uniformly sputtering manner, and a glucose-6-phosphate isomerase antibody layer is fixed outside the gold element layer of the test contact. According to the device and method of the invention ...

Drilling rod back pressure blowout preventer for marine rig

The utility model relates to a drilling rod back pressure blowout preventer for marine rig, its technical scheme is: including main part, bearing, sealing mechanism, bush, pressure cap, the main part is the toper structure, and the inside of main part is hollow structure, the front end stationary support seat of main part, the inside of main part is equipped with sealing mechanism, sealing mechanism's front end to pass through the bearing fixed, sealing mechanism's rear end pass through the bush and connect, the outer tip of bush through pressing the cap fixed, sealing mechanism include rocket body, riser, spring, the rocket body on be equipped with the spring, the spring lie in between riser and the bush riser sealing connection on the interior tip of bush and the sealing mechanism, the beneficial effects of the utility model are that: simple structure, convenient to use has effectively improved drilling operation efficiency, prevents that ground voltol oil air current in place gets into ...

Asymmetric wide-angle illuminating apparatus

Wireless passive drug targeting administration device

The invention provides a wireless passive drug targeting administration device, and belongs to medical equipment. The device comprises a shell. The device is characterized in that a top cover is disposed on the top of the shell, and a drug storage chamber is arranged in an inner cavity of the shell; a magnetostrictive bar, a guide rod and a catheter are arranged in the drug storage chamber; the top cover is connected with one end of the guide rod, and the other end of the guide rod is arranged in the catheter; the catheter is connected with a bottom plate of the drug storage chamber, and crawling feet made of magnetostrictive materials are disposed on the lower side of the shell. An adjustable constant or alternating current source is adopted, a drug transport car is placed in a helmholtz coil, and alternating current and direct-current bias can be provided. By adjusting the magnitude of constant current and the frequency and the direction of the alternating current, the frequency and the ...

Plunger mounting tool for reciprocating plunger pump

A plunger mounting tool for a reciprocating plunger pump comprises a stress application rod, a push rod and a pipe casing, wherein external threads capable of being matched and fixed with threads at a suction inlet of a hydraulic cylinder are formed on the circumferential outer surface of the pipe casing, and an axial thread hole is formed in the rear end of the pipe casing; the push rod can extend into the thread hole, and external threads matched with the thread hole are formed in the circumferential direction of the push rod; and the rear end of the push rod is connected with the stress application rod. The plunger mounting tool for the reciprocating plunger pump is simple and reasonable in product structure, easy to mount and carry and safe, convenient and labor-saving to operate and use, and risks caused by common hammering of a plunger are avoided; and besides, through the plunger mounting tool, the plunger can be rapidly and reliably mounted in place in a labor-saving manner, so ...

Shale gas fracturing fluid pressure vessel agitating mixing apparatus

The utility model relates to a shale gas fracturing fluid pressure vessel agitating mixing apparatus, its technical scheme is: the bottom fixed stay leg of compound body, the centre of compound body be the hybrid chamber, the outer wall of hybrid chamber and compound body between be equipped with the circulation heating chamber, the top of hybrid chamber be equipped with the fracturing fluid import, the bottom of hybrid chamber is equipped with the fracturing fluid export, the upper portion in circulation heating chamber be equipped with the feed liquor hole, the bottom in circulation heating chamber is equipped with out the liquid hole, feed liquor hole and go out connect through the circulating pipe between the liquid hole, the circulating pipe on connect circulating pump and stock solution room, the inside of compound body be equipped with the puddler, the beneficial effects of the utility model are that: the device has effectively utilized the heat energy of fracturing fluid, and is ...

Self-locking friction-free fast-response balancing system

The invention discloses a self-locking friction-free fast-response balancing system, comprising a cylinder body, an upper shaft sleeve, a piston, a piston rod and a lower shaft sleeve, wherein the piston is inserted into the hollow cavity of the cylinder body; the upper shaft sleeve sleeves the outer side of the piston; the outer side of the upper shaft sleeve is connected with the inner side wall of the cylinder body in a contact manner; the lower shaft sleeve sleeves the inner side wall of a lower end cover; one end of the piston rod is connected with the piston; the other end of the piston rod penetrates through the lower shaft sleeve, and extends out of the hollow cavity of the cylinder body; the outer end part of the lower end cover is provided with a locking device; the locking device comprises a supporting cylinder barrel, a clamping bush, a locking cylinder barrel, a push ring and a wedge ring; the supporting cylinder barrel is connected with the lower end cover; the locking cylinder ...

Multi-modal data processing method and language intelligent system

The invention provides a multi-modal data processing method and a language intelligent system.The multi-modal data processing method comprises the following steps that multi-modal data information is obtained; extracting the feature representation of the multi-modal data information, and respectively obtaining the feature representation of the text modal data information, the feature representation of the voice modal data information and the feature representation of the image modal data information; inputting the feature representation of the text modal data information, the feature representation of the voice modal data information and the feature representation of the image modal data information into a multi-modal fusion model for training to obtain the feature representation of the trained multi-modal fusion model; and inputting the obtained feature representation of the trained multi-modal fusion model into a natural language generation model, and outputting a natural language for ...

Logistics robot dynamic task allocation method and system

The invention provides a dynamic task allocation method and system for a logistics robot. The dynamic task allocation method for the logistics robot comprises the following steps: acquiring information of a task point and the logistics robot; according to the obtained task point and the information of the logistics robot, task initial allocation is carried out on the logistics robot by adopting a nearest allocation principle; and performing task redistribution on the logistics robot according to the task density. According to the method, the intelligent storage environment model is created through the grid map method, path planning is carried out on multiple robots in combination with the A * algorithm, the dynamic tasks are redistributed according to the task density, and the task completion efficiency can be improved.

Compound pipe turn -ups forming device

The utility model provides a station and dial -out are dialled in with single compound the pipe to the arc structure that compound pipe turn -ups forming device, forming device's business turn over work or material rest adjustable fender adoption is specific. Mould moving mechanism drives the heating mould and forming die moves, adds nice and warm turn -ups and finalizes the design. During the heating, the swivel bearing wheelset of rising drives the compound pipe slow running of station. When the turn -ups is stereotyped, clamping mechanism will compound the pipe clamp and tightly fix a position. The utility model provides a two kinds of novel mould moving mechanism: rectilinearly movable is portable with the swing. Compared with the prior art, the utility model discloses have convenient operation, economize limited that the people is laborsaving, degree of automation is high to it is efficient, of high quality that the turn -ups is stereotyped, and the turn -ups that can be applicable ...

Inclined reducing type suction manifold

The invention discloses an inclined reducing type suction manifold, which comprises a water absorption tube and a plurality of water feeding tubes arranged on the water absorption tube at an interval, wherein the diameter of the water absorption tube is gradually reduced from front to back; the outlet end of the water feeding tube is provided with a hydraulic cylinder connection flange; the center axis of the water absorption tube and the plane of the hydraulic cylinder connection flange form an included angle which inclines to the bottom of the inlet end of the water absorption tube. According to the inclined reducing type suction manifold, a phenomenon that a reciprocating plunger pump is always subjected to insufficient suction can be solved by simple and reasonable structure design, accidents, such as sand plugging, air suction and water attack, caused by insufficient suction can be avoided, the service life of a plunger pump fluid end component is effectively prolonged, and residual ...

Nanofiber filter screen that recycles and preparation facilities thereof

The utility model discloses a nanofiber filter screen that recycles and preparation facilities thereof, wherein the nanofiber filter screen including the support frame, filter to support net and nanofiber membrane, the support frame is used for supporting the filtration and supports the net, the support frame supports the net with the filtration and makes by non -conductive material, nanofiber membranes spouts and prints on the net. The utility model discloses an electrostatic spinning prepares high -efficient filtration membrane fast, realizes different function nanofiber membranes's the sealthat spouts, compare metal gridding support, can realize nanofiber membranes's even deposit, need not adopt the rendition technique, can spout the seal immediately and use, consequently can support net reuse with filtering to the support frame, reduce environmental pollution, still can combine image processing to realize supporting the seal that spouts of net to different support frames and filtration ...

Single-side parallel linear motor combination-driven belt-type oil pumping machine

The invention relates to an oilfield oil pumping machine, and in particular relates to a single-side parallel linear motor combination-driven belt-type oil pumping machine, which adopts the single-side parallel combination manner of a plurality of linear motors to overcome the disadvantages of low driving force and overlarge heat production of a single linear motor in the prior art. The plurality of linear motors can make synchronous movement through a common external transmission main beam with the aid of reasonable control manner so as to jointly drive loads to work. The single-side parallel linear motor combination-driven belt-type oil pumping machine comprises a flexible belt (1), a linear motor (2), the common external transmission main beam (3), a linear motor (4), a linear bearing (5), a primary electrode (6) of the linear motors and a secondary electrode (7) of the linear motors. Therefore, the oil pumping machine can be driven by the large driving force through the combination ...

System for judging sleep quality of human body based on UWB sensor

The utility model relates to a system for judging sleep quality of a human body based on a UWB sensor. The utility model belongs to the technical field of human sleep quality judgment. The technical problem that an existing human body sleep quality judgment technology is inconvenient to use for old people and children is solved. The solution is as follows: a solution is provided; the system for judging the sleep quality of the human body based on the UWB sensor comprises a breathing module, an acquisition module, an alarm action module, a motion acquisition module and a sleep quality acquisition module, and comparing the feedback signal of the human body respiratory rate acquired by the UWB sensor with a preset signal range in the respiratory module, and judging the sleep quality of the user by judging the frequency and time of the user in a waking state. According to the utility model, the UWB chip transmits and receives nanosecond to picosecond non-sine wave narrow pulses to detect the ...

Utilize pressure vessel heat transfer device of shale gas fracturing fluid

The utility model relates to a with the pressure vessel heat transfer device that shale gas fracturing fluid heat energy carries out the heat exchange, its technical scheme is: the top of overhead tank is equipped with the feed liquor pipe, and the bottom of overhead tank is equipped with the drain pipe, the feed liquor pipe at overhead tank top on connect the diffusion dish, the outside of overhead tank is equipped with manometer and peep hole, the inside of overhead tank is equipped with the heat exchanger, the heat exchanger include motor, rolling disc, a heat transfer section of thick bamboo, heat transfer section of thick bamboo horizontally connect is in the inside of overhead tank, the external connection rolling disc of a heat transfer section of thick bamboo, the external connection motor of rolling disc, the rolling disc on be equipped with high temperature fracturing fluid import, the inner wall of a heat transfer section of thick bamboo is equipped with the propulsion blade, ...

Asymmetric wide-angle illuminating apparatus

The invention relates to an asymmetric wide angle illumination device used for being arranged in lamps, which can ensure that the ray of a luminous source can be cast by the asymmetric wide angle illumination device; the improvement lies in that the asymmetric wide angle illumination device comprises an optical lens which is provided with a body; the body is provided with a light concentrating surface and a cylindrical lens array which is set in a wave shape, therefore, the ray of the luminescence source can successively cast aligned and flat illumination formed by the light collecting surface and the cylindrical lens array in sequence.

Solar cell with morphing type superlattice structure

The invention discloses a solar cell which consists of a plurality of stack 'pn' knot structures and a plurality of tunnel-through junction layers, wherein the tunnel-through junction layers are positioned between the stack 'pn' knot structures; moreover, one of the stack 'pin' knot structures comprises at least one p-typed semiconductor layer, one n-typed semiconductor layer, and one gradient superlattice structure positioned between the p-typed and the n-typed semiconductor layers. An energy gap of the gradient superlattice structure is between the energy gap of indium gallium phosphide (InGap) and the energy gap of gallium arsenide (GaAs). Therefore, a wavelength response range can be improved up to 1.0ev to add the wavelength response frequency spectrum; besides, owing to the gradient superlattice structure, a voltage barrier come up against by a current carrier in the area is relatively small and is easy to be stepped over, thus adding efficiency.

DRUG COMPOSITION CONTAINING TRINITROBENZENE AND RIVER SNAIL

Linear lighting device

The invention provides a linear lighting device which comprises at least one light-emitting module and a columnar lens, wherein the columnar lens has front and rear ends; the light-emitting module is arranged at the rear end inside the columnar lens; the columnar lens has an isosceles trapezoidal cross section in a plane vertical to the left and right side walls, so that the two side walls form symmetric totally reflecting surfaces to vertically project the totally-reflected lights towards the front end of the columnar lens, producing a linear light beam; the front end of the columnar lens is raised outwards to form a light-condensing surface, so that when the lights passing through the light-condensing surface is projected towards the front end of the columnar lens, the lights can be gathered within an illumination range by the light-condensing surface.

Device is transferred to drilling rod for marine rig

The utility model relates to a device is transferred to drilling rod for marine rig, its technical scheme is: the support is fixed on the base, the fixed overhead traveling crane in top of support, the lower part of overhead traveling crane is through transferring mechanism's jointed rod, the tip of drilling rod is equipped with the drill bit, one side of overhead traveling crane is passed through wire rope and is connected the winch, the beneficial effects of the utility model are that: the efficiency of work is improved, simple structure, convenient to use has effectively reduced operator's intensity of labour, and the location is accurate, ensures the accuracy that the drilling rod transferred.

Composite pipe flanging molding device and molding method

The invention discloses a composite pipe flanging molding device and a molding method. Specific arc-shaped structures are adopted in a feeding frame movable baffle and a discharging frame movable baffle of the molding device, and a single composite pipe is pushed into a station and pulled out. Die moving mechanisms drive a heating die and a molding die to move so as to carry out heating and flanging molding. In the heating process, an elevated rotating supporting wheel set drives the composite pipe at the station to rotate at a low speed. In the flanging molding process, the composite pipe is clamped and positioned through a clamping mechanism. According to the composite pipe flanging molding device, the two novel die moving mechanisms are provided and include a linear moving type die moving mechanism and a swing moving type die moving mechanism. Meanwhile, the method for conducting composite pipe flanging molding with the device is provided. Compared with the prior art, the device has ...

Linear motor-driven belt pumping unit

The invention relates to an oil extraction machine for an oil field, in particular a linear motor-driven belt pumping unit, which combines the advantages of a patented product of the Shengli oil field plateau oil equipment limited liability company, namely an ROTAFLEX belt pumping unit and a linear motor pumping unit. The linear motor-driven belt pumping unit consists of a foldable moving pedestal (1), a machine body (2), a secondary (3), positive rollers (4), a counter weight frame (5), adjustable counter weights (6), a linear motor primary (7), a primary output main beam (8), a counter weight frame and main beam connection mechanism (9), belt and main beam connection mechanisms (10), belts (11), belt wheels (12), a primary fixing and pre-tension mechanism (13), side rollers (14), a beam hanger (15), a polished rod (16), a pedestal moving mechanism (17), and a control system (18). Due to the adoption of the structure, the defects in transmission, balance and maintenance of the conventional ...

Optics presss from both sides cover with constant temperature

The utility model relates to an optics presss from both sides cover with constant temperature presss from both sides the inside light path passageway of cover and adopts the tee bend structure, and two double -phase experts, and one of them light path passageway leads to for complete to lead to the unthreaded hole with the crossing backscattering that is equipped with of clamp cover left and right sides wall, be used for the backscattering experiment, two other light path passageways are half and lead to, one of them with press from both sides that the cover antetheca is crossing to be equipped with the right angle scattering and to lead to the unthreaded hole for right angle scattering and dull and stereotyped symmetrical scattering experiment, another and the crossing trompil of clamp cover upper wall for lay the cell of splendid attire experiment sample. This kind of optics presss from both sides cover with constant temperature compares with the mode of outside thermostatic control device ...

Ocean drilling platform portable oil pipe short circuit chamfer equipment for grinding

The utility model relates to an ocean drilling platform portable oil pipe short circuit chamfer equipment for grinding, its technical scheme is: the both sides of base are equipped with the backup pad, and base upper portion is passed through the stay tube and is connected the grinding casing, and the outside of grinding casing is equipped with the support wing, the inside supporting spring that is equipped with of stay tube, the backup pad on the base is connected to supporting spring's one end, the support wing of grinding casing is connected to supporting spring's the other end, the base on fixed motor, the output shaft vibrating disk of motor, the top of vibrating disk be equipped with the grinding dish, be equipped with the bearing between vibrating disk and the grinding casing, the centre of grinding dish be equipped with the recess, the intermediary recess of grinding dish be the back taper, the top of grinding casing is equipped with the chucking ring, the beneficial effects of ...

Method for detecting plasma bombardment effect on surface of polyimide

The invention belongs to the technical field of flexible printed circuit boards, and in particular relates to a method for detecting the plasma bombardment effect on the surface of polyimide. The method specifically comprises that: plasma discharges and bombards a polyimide film on a substrate rack, which is cleaned by a washing agent, deionized water and analytic pure alcohol; and a contact angle of a water drop on the polyimide film is measured by a contact angle admeasuring apparatus, thereby knowing about the plasma bombardment processing effect of the polyimide film. Therefore, the method greatly improves a plasma bombardment process relevant to peeling strength and obtains the optimal parameters of the plasma bombardment process.

Combined type cylinder head gland nut mounting and dismounting tool

A combined type cylinder head gland nut mounting and dismounting tool comprises an adapter and an L-shaped wrenching bar; the adapter is cylindrical, the outer surface of the adaptor is provided with a polygonal profile, a polygonal inner hole is axially formed in the center of the adapter, and the polygonal profile can be matched with an polygonal inner hole of a cylinder head gland nut; a polygonal profile is arranged on the surface of at least one end part of the L-shaped wrenching bar, and can be matched with the polygonal inner hole of the adaptor. The mounting and dismounting tool is simple and reasonable in structure, is easy to carry because of the split structure, and is safe, convenient and laborsaving to operate, so that a heavy striking wrench used commonly is avoided; through the mounting and dismounting tool, the cylinder head gland nut can mounted in place rapidly, reliably and effortlessly, so that the assembly efficiency is improved, and the mounting and dismounting time ...

Knitting method of sling

The invention relates to the technical field of weaving of straps, and discloses a weaving method of a strap, so that the strap can reach the European Union EN388 standard wear resistance level 4, the European Union EN388 standard cutting resistance level 5, the European Union EN388 standard tear resistance level 4 and the European Union EN388 standard puncture resistance level 4 and can reach the American ANSI standard cutting resistance level 5. According to the present invention, the wound dressing has characteristics of flexibility, large tensile strength, no obvious damage on the healing of the common wound, and reduction of the adhesion degree and the severity on the internal organs of the human body, such that the adhesion of the minimum internal organ tissue is overcome, the optimal stability can be ensured under the maximum strain, and the requirements of the clinical operation can be completely met; the wear resistance of the knots can be increased, the friction is larger, the ...

Fluorinated cellulose as well as modification method and application thereof

The invention belongs to the field of fiber modification, and particularly relates to fluorinated cellulose as well as a modification method and application thereof. The modification method comprises the following steps: (1) adding carboxylated cellulose nanofibers into triethylamine, and uniformly stirring to form a mixed solution; and (2) adding a fluorine-containing compound into the mixed solution prepared in the step (1) to react, washing to remove triethylamine after the reaction is finished, and drying to obtain the modified carboxylated cellulose nanofiber. According to the invention, triethylamine is adopted to modify cellulose under the condition of normal temperature, so that the defects in the prior art that acyl chloride compounds in high-temperature modification reaction of fibers are easy to decompose and materials are highly oxidized and carbonized are overcome. The prepared fluorinated fiber changes the wetting state of the surface, forms a hydrophobic and oleophobic amphiphilic ...