144results about How to "Won't accumulate" patented technology

The invention provides a bearing chamber oil and gas two-phase flow and heat exchange testing device. The structure that a testing bearing and a shaft are directly arranged in a sleeved mode is designed. An oil transportation hole or groove is designed in the inner ring of the testing beaming or the inner ring of the shaft. A testing beaming lubricating structure is simplified under the circumstance that under-ring lubrication of the testing beaming is guaranteed. An electric heating type chamber body heating structure is designed, and the structure of the electric heating type chamber body heating structure is simplified compared with a tap water heating and cooling method, so that cost is reduced. Bearing chamber geometric structures of different sizes can be realized through replacement of axial distance rings of different sizes and radial distance rings of different sizes, and the cost of manufacturing a chamber body is reduced. An oil scavenger pump is additionally arranged so that oil can return smoothly, and the lubricating oil does not accumulate in a chamber. An exhaust vent is connected with an oil return tank through an oil way, so that the situation that oil mist is exhausted from an exhaust pipe and pollutes the environment is avoided, and waste of the lubricating oil is avoided. A high-speed camera is arranged to shoot oil and gas conditions inside the bearing chamber, so that oil and gas condition images and pressure and temperature signals are recorded on a computer synchronously.

An environment protection type coal saving agent is proportionally prepared from sulfur fixating agent, combustion promoter, oxidant, puffing agent, catalyst and water. Its advantages are high effect to decrease consumption of coal and increase thermal efficiency of boiler, and no secondary pollution.

A sheet feed roller, prolonging sustainability of sheet feeding capability in the presence of paper powders, comprises a hub, an elastic layer 2 provided on an outer peripheral surface of the hub and circumferentially-spaced axially-extending plural grooves 21 on the outer peripheral surface of the elastic layer. A textured surface comprising mountain and valley portions is formed on the outer peripheral surface of the elastic layer 2, this textured surface being on the wall and bottom surfaces of the grooves 21 as well as on the surface of the portions 22 between the grooves. A ratio of a total area of the bottom surfaces of the grooves to a total area of the outer peripheral surface of the elastic layer except for the grooves is 10 % to 20 %.

The invention discloses a fusion protein with antibacterial and repairing function and a production method and application thereof. A fusion gene is prepared by splicing an anthropogenic antibacterial peptide gene and a cell growth factor gene through a segment of hydrophobic polypeptide joint; and the fusion protein is prepared by adopting the expression of a prokaryocyte or yeast expression system, and is encoded by the anthropogenic antibacterial peptide, the polypeptide joint and the cell growth factor gene from an N end to a C end of the fusion protein. The invention simultaneously provides application of the fusion protein to the preparation of medicaments for treating wounds, burns / scalds, cold injury, chronic ulcer or bedsore. The invention creatively fuses the two kinds of polypeptide genes together to successfully construct a fusion protein with dual function of preventing infection and accelerating the repair of the damaged tissue, improves the safety of clinical medicament simultaneously, and prolongs the half-life period of the fusion protein.

The invention relates to a full-automatic washing machine foam removing system which comprises an inner drum and an outer drum. An outer drum cover is arranged on the outer drum, a nozzle is arranged on the outer drum cover, the nozzle is connected with a water inlet valve through a water inlet pipeline, the spraying direction of the at least one nozzle points to the position between the inner drum and the outer drum, and the water inlet valve is connected with a controller. When washing is finished and dewatering is conducted, the controller sends a command, the water inlet valve is opened, water flow is guided to the nozzle through the water inlet pipeline, the nozzle sprays water to foam formed by detergent rinsed from the inside of clothes between the inner drum and the outer drum, the foam can not be accumulated massively, the inner drum can achieve normal dewatering rotation speed, and a motor is protected.

The invention discloses a self-cleaning device for an LED street lamp. The self-cleaning device comprises a lamp pole and a lamp holder fixedly mounted at the top of the lamp pole through a connectingframe. A lamp body is fixedly mounted at the lower end of the lamp holder. The lower end of the side wall of the lamp holder is rotationally connected with a first gear ring, and the lower end of thefirst gear ring is fixedly connected with a lampshade. Through the arrangement of a wiping mechanism, a speed reduction band, a sealing plate, a sliding plug, a gear and the first gear ring, when anautomobile runs through the road beside the street lamp, the speed reduction band and the sealing plate can be pressed down, and therefore air is pumped into a device cavity; the sliding plug is pushed to move upwards, and therefore a threaded rod is driven to rotate, the gear is engaged with the first gear ring to rotate, the first gear ring drives the lampshade to rotate, dust on the lampshade is scraped away by an arc scraping strip, and cleanliness of the surface of the lampshade is kept; and when the sliding plug moves upwards, the air in the device cavity is extruded into a water collection cavity, and therefore water is extruded into the cavity, the arc scraping strip draw water, and therefore the cleaning effect is better when the lampshade is wiped.

The invention discloses a fusion protein of hepatic-targeted peptide and human interferon a2b, and a preparation method and application thereof. The nucleotide sequence of the fusion protein of hepatic-targeted peptide and human interferon a2b provided in the invention is described by SEQ ID NO. 1, and the amino acid sequence coded by the nucleotide sequence is described by SEQ ID NO. 2. According to in vitro tests, the fusion protein provided in the invention has obvious activity of resisting HBV and hepatocyte targeting. Since characteristics of both hepatic-targeted peptide of plasmodium circumsporozoite protein CSPI-plus and human IFNa2b are combined into the fusion protein in the invention, the fusion protein can be used for preparation of novel hepatic-targeted antiviral drugs and is of profound significance for lowering down morbidity and mortality of liver diseases caused by infection of HBV. According to the invention, the prepared fusion protein has a high expression level and is easy to purify, production period for the fusion protein is short, and low cost is realized; therefore, the invention has important application prospects and is of practical significance.

The invention relates to the technical field of medicines, in particular to a lipoic acid modified intrinsically disordered protein nano-carrier, a preparation method thereof and an application of the nano-carrier. The nano-carrier is crosslinked by disulfide bonds of lipoic acid, formed polypeptide polymer can be rapidly degraded in cells and cannot be accumulated in the cells, and amino acid forming a polypeptide carrier exists in vivo and has no toxic and side effects on the cells and a human body. CCK-8 cell proliferation assay indicates that the prepared nano-carrier has low cell toxicity and good gene and chemotherapeutic drug co-carrier capacity, can successfully deliver sensitivity of autophagic specificity enhanced cancer cells to chemotherapeutic drugs caused by siRNA suppressive chemotherapeutic drugs in breast cancer therapy, promotes breast cancer cell apoptosis and accordingly becomes a targeted, efficient and low-toxicity nano-scale delivery system in breast cancer therapy.

The invention discloses a power bank sharing device capable of generating electricity through solar energy for a bus station. The power bank sharing device capable of generating electricity through solar energy for a bus station comprises a billboard, modulator tubes, a shading cover, a rain shelter, supporting rods, through holes and a connecting button; a bench is arranged under the billboard, and a storage box is disposed at the right side of the billboard; power banks are disposed inside the storage box, and two-dimensional code labels are glued on the upper side of the storage box; the billboard and the storage box are arranged at the underside of the rain shelter, and a reflective plate is attached on the rain shelter; supporting rods are connected with an auxiliary plate through connecting rods, the upper side and the lower side of the auxiliary plate are both provided with photovoltaic panels, and the photovoltaic panels are connected with a storage battery. According to the power bank sharing device capable of generating electricity through solar energy for a bus station, power bank can be used for mobile phones without power when someone is waiting for a bus, and multiplebus stations are arranged, so that the power banks can be picked up at a station and returned at the next station.

A pressure sensor is provided. The pressure sensor includes a body (10, 60), a sensing element (40), and a projection part (63). The body (10, 60) has an internal space and an introduction passage (110). The internal space is in communication with an outside of the body through the introduction passage (110). The sensing element (40) is disposed in the internal space of the body (10, 60) and capable of detecting pressure of air in the internal space. The projection part (63) is disposed in the internal space of the body (10, 60) or the introduction passage (110) of the body (10, 60), and inhibits liquid from entering the internal space.

The invention discloses a switch cabinet having dust removing function. The switch cabinet includes a cabinet body which is disposed on a pedestal. The top part of the cabinet body is provided with an outlet 1 which is provided with an air compressor thereabove. The internal wall of the cabinet body is provided with a plurality of nozzles. An inlet of each nozzle and an outlet of the air compressor are connected through a pipeline which passes through the outlet 1. The cabinet body is provided with a dust monitoring apparatus and a controller therein. The bottom part of the cabinet body is provided with an outlet 2 which is provided with a cleaner thereabove. The cleaner passes through the pipeline which passes through the outlet 2 and is connected to a dust storage box which is below the outlet 2. The controller is in separate communication with the air compressor, the dust monitoring apparatus and the cleaner. The switch cabinet herein can automatically remove dust, increases the reliability of power supply, reduces labor intensity, and ensures workers' safety.

The invention aims to provide a thread milling cutter. When threads are milled, the work efficiency of machining the threads can be effectively improved, and the production cost can be reduced while the product quality is guaranteed. The thread milling cutter comprises a handle part and a blade part, and is characterized in that the blade part consists of a milling blade for milling bottom holes and a forming blade for milling the threads, wherein the milling blade is positioned on the end part of the blade part. When the thread milling cutter is used for milling the threads, the allowance of a workpiece is removed and thread bottom holes are milled by the milling blade, and along with the advance of the milling blade, the threads in the bottom holes are milled by the forming blade; the cutter is not required to be changed in the whole process, so that cutter changing, cutter installing and cutter setting time is shortened; the product quality is guaranteed and the production cost can be reduced.

Disclosed are fuel supply equipment (100) of a common rail type fuel injection system and a fuel supply control method. The fuel supply equipment (100) includes a lower pressure pump (2) which supplies fuel from a fuel tank (4) to a high pressure pump (6), such as a port-controlled reciprocating pump (6), through a fitler (8) and a meterin unit (10). A one-way valve (14) is arranged between an outlet of the metering unit (10) and an inlet of the high pressure pump (6). The one-way valve (14) selectively supplies fuel output by the metering unit (10) to the high pressure pump (6) according to fuel pressure at an output position of the metering unit (10) / A retrun pipeline (16) connects output of the metering unit (10) to the fuel tank (4). A throttling device (18) on the return pipeline (16) selectively supplies a part of fuel output from the metering unit (10) to the fuel tank (4).

The invention discloses a power tool which comprises a shell, a power source arranged in the shell, a fan connected with the power source and a tubular chip removal valve arranged on the shell; a reversing plate is arranged in the chip removal valve, air inlets are arranged on the tube walls of the chip removal valve at the two sides of the reversing plate, the airflow generated by rotation of the fan enters the chip removal valve from the air inlets, a splitter plate is arranged on the reversing plate near the air inlets, the splitter plate divides the airflow entering the chip removal valve into at least two parts, one part of the airflow is used for reversing the chip entering the chip removal valve, and another part of the airflow is used for blowing chip, therefore, the chip does not accumulate in the chip removal valve, chip removal is thorough and chip removal efficiency is high, and the power tool is not easy to be blocked by the chip in the process of operation.

Disclosed is a vehicle. The vehicle is characterized in that the vehicle at least comprises at least one of the two following technical characteristics A and B. The technical characteristic A is thatthe vehicle is a three-box type or two-box type vehicle with a front trunk, the front trunk is provided with two layers of trunk covers of an upper layer cover and a lower layer cover, and the upper layer cover and the lower layer cover can be closed on the front trunk simultaneously; the upper layer cover can be rotatably connected with a vehicle body or the lower layer cover; when the lower layer cover is closed, the upper layer cover can be turned and opened towards the passenger compartment direction from a closing position until a front windscreen is blocked by the upper layer cover to prevent the sunlight from reaching the passenger compartment through the front windscreen, and the upper layer cover can also be closed on the front trunk from an opening position; when the vehicle is parked, the upper layer cover is turned and opened towards the passenger compartment to the position near to the front windscreen window and block the front windscreen to prevent the sunlight from reaching the passenger compartment through the front windscreen, and the method above is adopted to achieve solarization reducing and cooling; meanwhile, the closing of the lower layer cover can be used for protecting machines and luggage in the front trunk; the technical characteristic B is that a rear trunk of a three-box type vehicle is also provided with the structure.

The invention discloses a water spraying device for blowing-out of a blast furnace. The device comprises four spray gun bodies with heads, wherein the four spray gun bodies are horizontally and uniformly installed on a furnace shell wall at intervals in central symmetry, a nitrogen jet pipe is respectively connected on each side at the rear end of each spray gun body, each nitrogen jet pipe is connected with the spray gun body at a 45-degree angle, and the front end of each head is sealed; two rows of orifices are axially arranged at the lower edge of the bottom face of each head, two adjacent rows of the orifices are arranged in a staggered manner, and the included angle between the two rows of the orifices is 90 degrees, meaning that the included angle between the central line of each row of the orifices and the plumb line is 45 degrees. The water spraying device disclosed by the invention not only can improve the atomization effect of water sprayed, dilute H2 in coal gas, improve the cooling effect of the coal gas and reduce fire on furnace top and knock easily caused by CO, H2 and O2, but also avoids vapor explosion in the furnace as water is accumulated on a material level and a lot of steam is generated instantaneously during material slippery and material collapse.

The invention discloses a preparation method of a paliperidone sustained release microsphere injection. The preparation technology comprises the following steps: (1) paliperidone and an acid anhydrides reagent are respectively dissolved in a solvent to be subjected to esterification reaction under the effect of an alkaline catalyst; (2) the esterification product obtained in the step (1) is dissolved in anhydrous dichloromethane to be subjected to acylation reaction with the added acylation reagent with DMF (N, N- dimethylformamide) being the catalyst; (3) the acylated paliperidone is subjected to esterification reaction with polylactic acid (PLA) through chemical bond bonding; (4) paliperidone sustained release microspheres are prepared by adopting solvent evaporation method, and the paliperidone sustained release microspheres are prepared into the microsphere injection after being cooled and dried. The preparation method is safe to operate, mild in reaction condition and simple and clear in steps; the total yield reaches 50% or above; the particle sizes of the obtained paliperidone microspheres are 30-50 micron; the paliperidone sustained release microsphere injection provided by the invention is high in drug loading capacity, stable in drug release, long in drug release time and good in sustained release effect.

To solve the problem point that in the conventional manufacturing method decreased in the number of manufacturing stages, manufacture margin is small as a channel length becomes short and the the yield decreases. Four-mask process and three-mask process plans of a TN type liquid crystal display and an IPS type liquid crystal are structured by a technology combination of new technology for rationalizing a stage of forming scanning lines and a stage of forming contacts by introducing half-tone exposure technology, new technology for rationalizing a stage of forming the protective layer of an electrode terminal by introducing half-tone exposure technology into an anode oxidizing stage of source and drain wiring as known technology, and rationalization technology for forming pixel electrodes and the scanning lines at the same time as known technology.

The invention provides an anti-cancer conjugate containing tetravalent platinum and a preparation method and application thereof. The anti-cancer conjugate containing tetravalent platinum is a galactose-modification hydroxyalkyl starch-platinum (IV) conjugate; the hydroxyalkyl starch-platinum (IV) conjugate is formed by connecting a tetravalent platinum complex with hydroxyalkyl starch through anester bond. The prepared galactose-hydroxyalkyl starch-platinum (IV) conjugate can prolong circulation time of platinum drugs in blood, enhance enrichment of the platinum drugs in tumor sites and improve the curative effects of the platinum drugs on tumors.

The invention discloses a train steering mechanism and a monorail train system with the same. The train steering mechanism comprises a bogie, a wheel cover, a travelling wheel and a conductive piece. The bogie is connected with a train; a mounting part is arranged on the bogie; an electromagnetic body is arranged in the wheel cover arranged on the mounting part; an opening is formed in the lower portion of the wheel cover; the travelling wheel is in a spherical shape and arranged in the wheel cover, and at least a part of the travelling wheel stretches out of the opening; a magnetic metal material is arranged in the traveling wheel; the conductive piece is connected with the wheel cover so as to energize the electromagnetic body and enable the electromagnetic body to produce a magnetic field; and the traveling wheel moves according to the strength and distribution direction of the magnetic field produced by the electromagnetic body. According to the train steering mechanism of the embodiment of the invention, the steering free degree of the train steering mechanism is improved, the steering flexibility of the train in the driving process is guaranteed, frictional resistance between the traveling wheel and the wheel cover is eliminated, traveling wheel heating caused in the process of electromagnetic induction is eliminated, and improving of monorail train performance is facilitated.

The invention relates to a ceramic slurry composition which contains acetic acid sec-butyl ester serving as a solvent or dispersant, in particular relates to a ceramic slurry composition used for a chip multi-layer ceramic capacitor (MLCC) or a ceramic vessel for cooking or a ceramic crucible or a ceramic refractory material (such as a ceramic refractory brick) and also in particular relates to an application of the acetic acid sec-butyl ester in preparation of the ceramic slurry composition, especially the ceramic slurry composition for MLCC. The acetic acid sec-butyl ester is used as the solvent of the ceramic slurry composition, a binding agent, especially polyvinyl acetal resin, can be well dissolved, and ceramic powder can be dispersed more uniformly, so that an MLCC raw diaphragm with smooth surface and high strength can be prepared.

The invention relates to an application of sec-butyl acetate as a solvent in production of synthetic leather, in particular to an application of polyurethane synthetic leather. The invention further discloses a polyurethane resin pulp used in production of synthetic leather via a dry process and a wet process and taking sec-butyl acetate as the solvent; the sec-butyl acetate is used as the solvent in the production of synthetic leather via the dry process and the wet process, so that the defects of needle holes, orange peel and surface indentation and the like can be reduced; and the performance and the appearance of the product are further improved by selecting the suitable composition of a non-ionic surface active agent and an anion active agent.

The invention provides a lactobacillus paracasei producing bacteriocin and an application thereof. The present invention relates to a Lactobacillus paracasei S20 strain with a preservation number of CGMCC NO. 17120, The strain is isolated from a Tibetan traditional fermented food-milk block. A crude bacteriocin extract is obtained by extracting from a MRS fermentation supernatant of the strain byusing ammonium sulfate grading deposition. The experiment proves that the bacterial extract produced by the strain has a strong inhibitory effect against Staphylococcus aureus and Escherichia coli, and the minimum inhibitory concentration measured by a double dilution method is 312 and 625 [mu]g / mL, respectively. The bacteriocin produced by the strain can be hydrolyzed by proteases such as neutralprotease and trypsin, and does not accumulate in the body. The Lactobacillus paracasei and its bacteriocin screened by the invention have broad application prospects in fermented foods.

The invention relates to the technical field of three-dimensional electro-deposition, in particular to a high-locality three-dimensional electro-deposition device. The high-locality three-dimensional electro-deposition device comprises a base, a three-degree-of-freedom movement mechanism, a liquid pool, a clamp, a nozzle, a liquid supply pipe and an anode material; the three-degree-of-freedom movement mechanism is arranged on the base, the nozzle, the liquid supply pipe and the anode material are connected and communicated through a three-way adapter, the three-way adapter is connected with the three-degree-of-freedom movement mechanism through the clamp, the liquid pool is arranged on the base and located below the nozzle, and the liquid pool is filled with high-density insoluble insulating liquid. According to the three-dimensional electro-deposition device, stray deposition of electroplating liquid on an cathode substrate is effectively avoided, and the locality of three-dimensional electro-deposition is improved.

The invention discloses a magnetic fluorescent double-model-state probe targeted to brain glioma and a preparation method thereof. Plenty of sulfydryl and carboxyl modified by nanometer particle surfaces are utilized, DTDP can be utilized in the first place to activate the sulfydryl, then mercaptoethylamine is utilized to conduct amination, then connection with carboxyl type fluorescein is conducted, finally RGD is bonded to the carboxyl opposite to the nanometer particle surfaces; or, after EDC / NHS activates the carboxyl on the surfaces of the nanometer particle surfaces, RGD and carboxyl type fluorescein are directly connected to the nanometer particle surfaces. By means of the two methods, a targeting MRI / fluorescent double-model-state probe material can be obtained. The prepared molecular imaging probe achieves MR / fluorescent double-model-state imaging on the cell level and the anima level due to mediation of RGD.

The invention discloses a continuous preparation method of tricyclopentadiene. The method includes the steps of: taking dicyclopentadiene as the raw material, injecting the raw material into a tubular reactor with a height-diameter ratio of 10-200 at a uniform volume space velocity of 0.5-3h<-1>, and carrying out polymerization reaction at a gauge pressure of 0.5-5MPa and a reaction temperature of 160-250DEG C, thus obtaining a product containing tricyclopentadiene at the exit. The preparation method provided by the invention realizes continuous feeding and discharging, improves the product yield and reduces the production cost.

The invention relates to the technical field of automatic production of polyurethane, and discloses an operation method for a reaction kettle applied to automatic production of a high polymer material, namely polyurethane. The reaction kettle comprises a top seat, wherein symmetrically distributed hydraulic rods are fixedly connected to two sides of the bottom of the top seat, and a groove is formed in the bottom of the top seat. According to the operation method of the reaction kettle for automatically producing polyurethane, a fixed pile is fixedly connected to the outer part of a rotating rod, cylindrical holes which are uniformly distributed are formed in the outer side of the fixed pile, stirring rods which are symmetrically distributed are fixedly connected into the cylindrical holes in the outer side of the fixed pile, and meanwhile, a stirring ring is fixedly connected to the outer part of the fixed pile. According to the invention, the outer part of the stirring rod is in a curved surface shape and the stirring ring is spirally arranged, so the reaction kettle can be ensured to quickly stir materials, and the problem that a stirring device is difficult to operate when the motor of an existing device is started is solved.

The plastic screw cap (1) that closes the injection and / or discharge connection of the liquid storage and transportation container is equipped with a bung (2) integrally combined with a venting and inflation device (3), a sealing cap (4) and a screw cap ( 1) Protective cover (5) that covers completely and prevents contamination.

The invention discloses a push plate type chip removing groove which comprises a groove body, at least two push plates and a spindle. The push plates are arranged at intervals, rail grooves parallel to the groove body are respectively arranged at the upper portions of the two lateral walls of the groove body, roller wheels are respectively arranged on the two sides of the spindle, the roller wheels are in rolling connection with the rail grooves, the push plates are in rotating connection with the spindle, the two sides of the push plates respectively face towards the two ends of the groove body, one end of the spindle is in transmission with a first reciprocating driving device, a second reciprocating driving device is further fixedly connected to the spindle, the push plate on the outmost side is in transmission connection with the second reciprocating driving device through a connecting rod, and the adjacent push plates are in transmission connection through connecting rods. The push plate type chip removing groove is low in fault rate, convenient to maintain, free of noise and free of chip removing dead angle.

The invention discloses a high-temperature flue gas quenching device which comprises a flue gas input mechanism and a quenching mechanism arranged in a heat exchange furnace; the flue gas input mechanism comprises a flue which is communicated with a flue gas source and the heat exchange furnace; the quenching mechanism comprises a dispersion disc, a filler unit, a hydrops pool and a circulation unit used for realizing quenching liquid circulation; the circulation unit comprises a heat exchanger which is communicated with the hydrops pool and an electromagnetic pump used for driving the quenching liquid to flow; one end of the electromagnetic pump is communicated with the heat exchanger, and the other end of the electromagnetic pump is communicated with the dispersion disc; the filler unitcomprises heat dissipation drums and heat exchange balls filled in the heat dissipation drums respectively, wherein the top surface and the bottom surface of each heat dissipation drum are arranged ina hollowed manner; the dispersion disc comprises a disc-shaped main body; the disc-shaped main body comprises a main pipe which is communicated with the electromagnetic pump and a plurality of branchpipes which are communicated with the main pipe; and the branch pipes are distributed on the two axial sides of the main pipe respectively. The invention is intended to provide the high-temperature flue gas quenching device capable of effectively lowering the energy consumption and the production cost.