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120results about How to "Will not cause failure" patented technology

A kind of carboxymethyl chitosan drug-loaded microspheres and preparation method thereof

The invention discloses carboxymethyl chitosan nano medicament-carrying microspheres and a preparation method thereof. The preparation method comprises the following steps of: preparing aqueous solution of carboxymethyl chitosan, dissolving a medicament into the carboxymethyl chitosan solution, stirring the solution uniformly, adding calcium chloride solution, and performing one-time ion cross-linking pre-coating; adding surfactant into an oily component, stirring the surfactant and the oily component to obtain an oil phase mixture, adding the pre-coated mixed solution into the oil phase mixture, quickly stirring the solution to form a water-in-oil mixture, adding glutaraldehyde, performing secondary curing cross-linking reaction to obtain medicament-coated carboxymethyl chitosan microspheres, performing centrifugal separation on the two-phase mixture, cleaning the lower layer by using petroleum ether or ethanol solvent, washing with distilled water, drying, and thus obtaining the carboxymethyl chitosan nano medicament-carrying microspheres. Because the carboxymethyl chitosan with biocompatibility, safety, non-toxicity and capability of being safely metabolized in vivo is used as a coating material, the carboxymethyl chitosan nano medicament-carrying microspheres have the characteristics of small medicament-carrying granule, high medicament-carrying amount and coating rate, good sustained-release performance and capability of fully exerting the effect of the medicament.
Owner:FIRST HOSPITAL OF SHANXI MEDICAL UNIV

Holographic solar photovoltaic battery and manufacturing method thereof

The invention provides a photovoltaic battery which comprises one or a plurality of material layers which are of micro-nano holographic optical structures. The micro-nano holographic structures are used as light-pervious layers, so that reflection of incident light on light incident planes is reduced and dependency of the photovoltaic battery on angles of the incident light is reduced. Light can be trapped and also transmitted. Action areas between light and active layer photoelectric conversion materials can be greatly increased on an action layer. A complete reflecting mirror structure is adopted on a back electrode, light transmitted to the back electrode can be reflected back to the photoelectric conversion materials, and meanwhile with surface plasmon polariton resonance effect applied, light intensity can be increased, so that useful effect of the light and the photoelectric conversion materials is increased and improved from one to more angles, and photoelectric conversion efficiency of the photovoltaic battery is increased by a large scale. With the above one or more functional structures adopted, various photovoltaic battery structures can be manufactured and the aim of improving the performance of the photovoltaic battery can be achieved.
Owner:SHENZHEN NAHUM-ELI OPTICAL TECH INC

Loading robot arm control multipoint mapping intelligent control method and system

The invention discloses a loading robot arm control multipoint mapping intelligent control method and system. The method comprises the first step of conducting grabbing training multiple times for a loading robot arm to obtain a grabbing sample set when a loading robot completes a grabbing task in different fixed grabbing points; the second step of conducting joint classification on the grabbing sample set according to the change amplitude a% of all arm joint control values to obtain various joint sample sets; the third step of using the joint sample sets obtained in the second step to construct a prediction model of loading robot arm joint control values; the fourth step of regarding the distance between a loading robot base and the edge of the bottom end of a grabbing table as an input value, and through a prediction model, obtaining control values of all joints respectively, and outputting the control values to complete the control over the grabbing task. According to the loading robot arm control multipoint mapping intelligent control method and system, by constructing the map between the distance of the robot base and the grabbing platform and a robot arm posture, complicated construction of a kinematical equation is avoided; accurate joint control values are obtained, and the joints are flexibly controlled.
Owner:CENT SOUTH UNIV

Interface anti-static method, anti-static protection circuit and electrical equipment

The invention discloses an interface anti-static method, an anti-static protection circuit and electrical equipment. The circuit comprises a point discharge part, a photoelectric element and a current buffering unit, wherein the point discharge part is connected with an equipment interface and breaks down the air between the point discharge point and the reference ground in the equipment to discharge and generate light energy when the static voltage higher than the set first voltage threshold occurs at the equipment interface; the photoelectric element is matched with the point discharge part, acquires the light energy generated by the point discharge part, and generates breakdown current to control a switching element connected with the photoelectric element to disconnect a current path between the equipment interface and a protected component; and one end of the current buffering unit is connected with the point discharge part, the other end of the current buffering unit is connected with the switching element, and the current buffering unit is used for extending the arrival time of the current from the equipment interface to the protected component to ensure that the switching element can be disconnected before the static current arrives. The point discharge part is matched with the photoelectric element to prevent the protected component from being damaged by higher staticvoltage, the component with protective effect can not be damaged when the voltage is discharged, and the cost investment of static protection is saved.
Owner:RUIJIE NETWORKS CO LTD

High-strength bamboo composite material dismountable board house

InactiveCN104234195ARealize the enclosureImprove the anti-rolling ability of the structureBuilding constructionsEngineeringHigh intensity
The invention relates to a high-strength bamboo composite material dismountable board house. The high-strength bamboo composite material dismountable board house comprises a frame, a top board and side boards. The frame is composed of stand pillars and beams, wherein the number of the stand pillars is an even number greater than 2, and the number of the beams is half of that of the stand pillars; the stand pillars are perpendicularly arranged on the ground, and every two stand pillars are connected through one beam; the top plate is composed of a plurality of inserting boards inserted among the neighboring beams; the side plates are composed of a plurality of inserting boards inserted among the neighboring stand pillars. Compared with the prior art, the high-strength bamboo composite material dismountable board house replaces the boards used in existing board houses with the high-strength bamboo inserting boards, thereby achieving enclosure effects and meanwhile improving the structural anti-tilting capacity; the structure of the high-strength bamboo composite material dismountable board house can be changed into a multi-span mode as required and provided with windows and doors in different position to obtain arrangement flexibility; made of high-strength bamboo materials, the high-strength bamboo composite material dismountable board house obtain heat preservation performance better than that of the existing board houses, and the materials are green and environmentally friendly and have no damage to human and the environment.
Owner:SHANGHAI YUNSHENG BAMBOO & WOOD PROD +1

Mixotrophic culture method for producing polyunsaturated fatty acid and fucoxanthin by utilizing phaeodactylum tricornutum

The invention relates to a mixotrophic culture method for producing polyunsaturated fatty acid and fucoxanthin by utilizing phaeodactylum tricornutum. The invention relates to application of mannitolin producing the polyunsaturated fatty acid and the fucoxanthin by mixotrophic culture of diatom and application of tea polyphenol or active ingredients of the tea polyphenol in producing the polyunsaturated fatty acid and the fucoidan by the mixotrophic culture of the diatom. According to the mixotrophic culture method disclosed by the invention, the mannitol is adopted as a mixotrophic carbon source for the first time; through experiments, the mannitol is found to have the advantage that the growth rate and the yield of the phaeodactylum tricornutum can be effectively improved when being compared with other carbon sources; in addition, mixotrophic culture has better synthesis efficiency than that of heterotrophic culture in pigment synthesis level of a photosynthetic system. Besides, according to the mixotrophic culture method for producing the polyunsaturated fatty acid and the fucoxanthin by utilizing the phaeodactylum tricornutum, disclosed by the invention, the tea polyphenol isused as a bioactive substance to culture the diatoms, and can effectively promote absorption and utilization of the carbon sources; through actual detection, the biomass of the phaeodactylum tricornutum can be increased by 108 percent, the content of the fucoxanthin is increased by 96 percent and the content of EPA is increased by 122 percent.
Owner:QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI

Sulfur hexafluoride gas density relay

The invention discloses a sulfur hexafluoride gas density relay. According to the sulfur hexafluoride gas density relay, the shock resistance performance is higher, the contact point contact and electrical performance of a signal generator is better, the service life is long, and the precision is high. The sulfur hexafluoride gas density relay comprises a shell, a base, an end base, a Bourdon tube, a temperature compensating component, a machine core, a signal conditioning mechanism and a plurality of microswitchs, wherein the end base, the Bourdon tube, the temperature compensating component, the machine core, the signal conditioning mechanism and the microswitchs are arranged in the shell. The sulfur hexafluoride gas density relay is characterized by further comprising a misoperation preventing mechanism corresponding to contact operating arms of the microswitchs. The misoperation preventing mechanism comprises a fixing base, a rotary shaft, a rotary piece and a deflector rod, wherein the deflector rod abuts against the contact operating arm of each microswitch. When the gas density relay is impacted or vibrated, the deflector rod of the malfunction preventing mechanism swings through the rotary piece and deflects the contact operating arm of each microswitch to the pressure increasing direction, so that the signal generator is far away from the position where a misoperation occurs, the signal conditioning mechanism is prevented from mistakenly triggering the signal generator when the gas density is normal, and the shock resistance performance of the density relay is greatly improved.
Owner:SHANGHAI ROYE ELECTRICAL CO LTD

Radio-frequency vertical connection circuit between two-dimensional millimeter wave modules

InactiveCN105634536APrevent prolapseWill not cause spallationTransmissionEngineeringRadio frequency
The invention provides a radio-frequency vertical connection circuit between two-dimensional millimeter wave modules, aiming at the radio-frequency vertical connection circuit with higher reliability and more convenient assembly and disassembly. The radio-frequency vertical connection circuit is implemented through the following technical scheme: an upper module metal structural member (2) and a lower module metal structural member (4) are fixed through a screwed way or the other detachable way, and the lower end of the upper module metal structural member and the upper end of a lower module two-dimensional multi-chip circuit board component (3) are in pressure fit; a coaxial connector (5) is welded in the upper module metal structural member, so that a vertical circuit connection between an upper module two-dimensional multi-chip circuit board component (1) and the lower module two-dimensional multi-chip circuit board component is realized; and a fuzz button (53) is coaxially connected to a probe (54) of a step cylinder structure, and a small end of the probe (54) is higher than an outer circle insulating layer (52) to be in contact with the lower module two-dimensional multi-chip circuit board component. The radio-frequency vertical connection circuit has the advantages of simple structure, small insertion and extraction force and easiness in assembly and disassembly.
Owner:10TH RES INST OF CETC

Sulfur hexafluoride gas density relay

ActiveCN103715010ARealize overpressure alarm and controlHigh precisionElectric switchesEngineeringSignal generator
The invention discloses a sulfur hexafluoride gas density relay. The sulfur hexafluoride gas density relay comprises a shell, a signal control part and an indicating value display part, wherein the signal control part and the indicating value display part are arranged in the shell and are relatively independent. The signal control part comprises a control base, a control end seat, a control Burdon tube, a control temperature compensation piece, a control connecting arm, a control signal regulating piece and a plurality of control microswitches serving as signal generators. The control microswitches are arranged in the mode that the width direction of operating handles of the control microswitches is perpendicular to the width direction of the Burdon tube. The indicating value display part comprises a display Burdon tube, a display temperature compensation piece, a display base, a display end seat, a display machine core, a pointer, a display connecting arm, a display signal regulating piece and a plurality of display microswitches serving as signal generators. The sulfur hexafluoride gas density relay can achieve overpressure alarming and control, the accuracy of dense relays is improved to the maximum extent, the thickness of the dense relays is reduced, the application range of the dense relays is enlarged, and the sulfur hexafluoride gas density relay is suitable for being applied to various occasions.
Owner:SHANGHAI ROYE ELECTRICAL CO LTD

Power distribution cabinet with temperature and humidity control functions

The invention provides a power distribution cabinet with temperature and humidity control functions. The power distribution cabinet comprises a cuboid cabinet body, a cabinet door and a fan, the fan is arranged at the inner upper right corner of the cabinet body, a control system is arranged on a rear panel in the cabinet body, two temperature sensors are mounted on each of an upper panel and a lower panel in the cabinet body, another four temperature sensors are mounted on a right panel in the cabinet body, a humidity sensor is mounted on a left panel in the cabinet body, a dehumidifying device is arranged below the humidity sensor, and the control system controls operation of the fan according to a set temperature value of the interior of the cabinet body, and controls operation of the dehumidifying device according to a set humidity value of the interior of the cabinet body. The power distribution cabinet with the temperature and humidity control functions has the advantages that the power distribution cabinet is reasonable in structure and capable of monitoring temperature and humidity in the power distribution cabinet body in real time, the defects of single-point collecting temperature control of a traditional temperature and humidity controller are overcome, requirements on control precision are meet, control speed is increased obviously, and constant temperature and humidity in the power distribution cabinet body in an electric power system are guaranteed effectively.
Owner:TIANJIN HAODA ELECTRONICS PROD SALE

Thin sulfur hexafluoride gas density relay

The invention discloses a thin sulfur hexafluoride gas density relay which has the advantages that anti-vibration performance is higher, contact and electric performances of contacts of a signal generator are better, the service life is long and the accuracy is high. The thin sulfur hexafluoride gas density relay comprises a shell, a base, an end base, a burdon tube, a temperature compensation sheet, a connecting arm, a clock mechanism, a signal adjuster and a plurality of micro-switches, wherein the base, the end base, the burdon tube, the temperature compensation sheet, the connecting arm, the clock mechanism, the signal adjuster and the plurality of micro-switches are arranged inside the shell. The thin sulfur hexafluoride gas density relay is characterized in that the micro-switches are arranged in the manner than the width direction of operation handles of the micro-switches is vertical to the width direction of the burdon tube. Due to adoption of the innovative design, the relative length of the connecting arm is reduced; therefore, the impact or vibration torque on the connecting arm is reduced when the gas density relay is shocked or vibrated, so that the impact or vibration force on the burdon tube is further reduced, the signal adjuster is prevented from triggering the micro-switches by mistake when the gas density is normal, and the anti-vibration performance of the density relay is greatly improved. Meanwhile, by adoption of the innovative design, the thickness of the density relay is reduced, the application range is expanded, and application to various places can be realized.
Owner:SHANGHAI ROYE ELECTRICAL CO LTD

Method for obtaining high-resolution and large-breadth remote sensing images by utilizing small satellite group

Under the existing technical conditions, the high resolutions and large breadths of images obtained by remote sensing satellites are mutually contradictory. The invention discloses a method for obtaining high-resolution and large-breadth remote sensing images by utilizing a small satellite group. According to the method, multiple satellites are grouped to be operated, so that high-resolution and large-breadth earth observation images can be obtained. By adoption of the method, each small satellite has a strict requirement for resolutions of observation instruments and the breadth requirement can be properly broadened; and after orbit injection, all the small satellites can be uniformly distributed on a same orbit plane, and also can be operated in a relatively concentrated way. When an observation task is carried out for each time, a large area is segmented, on and off moments of reasonable observation instruments are distributed for each satellite, lateral tilt angle and pitch angles of satellite attitudes are set, finally, images obtained by all the small satellites are spliced to realize one-time transition of the satellites and obtain high-resolution and large-breadth earth observation images, and if the quantity of the small satellites in the satellite group is more, the breadths of the images are larger. Moreover, by adoption of a satellite group design, the risk of causing the whole satellite task to lose efficacy due to the failure of individual satellites is reduced.
Owner:北京宇航智科科技有限公司

Marine multifunctional micro-plastic collecting device

The invention discloses a marine multifunctional micro-plastic collecting device comprising a coarse particle filter tube, a fine particle collecting tube and a tail tube, wherein the coarse particlefilter tube, the fine particle collecting tube and the tail tube are sequentially connected from front to back; a flow guide cover is arranged at the front end of the coarse particle filter tube, andthe coarse particle filter tube is arranged at an opening part of the flow guide cover; a coarse particle filter screen is fixed in the rear part of the coarse particle filter tube; flow guide rings are arranged in the coarse particle filter screen; the flow guide rings are of an annular structure; a central concave hole of the flow guide cover is aligned to the middles of the flow guide rings; the flow guide rings are of a streamline structure; a channel between the central concave hole of the flow guide cover and the front ends of the flow guide rings forms a venturi tube shape with two thick ends and the fine middle; a circular channel between the flow guide rings and a channel between the flow guide rings and a shell of the coarse particle collecting tube also form a venturi tube shape; a fine particle filter screen is arranged between the fine particle collecting tube and the tail tube; and a venturi tube shape with two thick ends and a thin middle is formed between the tail partof the fine particle collecting tube and the tail tube. According to the marine multifunctional micro-plastic collecting device in the invention, the micro-plastic rubbish in the lake and the ocean can be collected.
Owner:NANJING UNIV OF SCI & TECH

Multi-lead-screw synchronous motor lifting rod

The invention discloses a multi-lead-screw synchronous motor lifting rod. The multi-lead-screw synchronous motor lifting rod comprises a pipe body and a lead screw driving device of the pipe body. The lead screw driving device comprises a plurality of round pipe lead screws. The innermost round pipe lead screw is a bottom lead screw, the outermost round pipe lead screw is a top pipe lead screw, and the rest of round pipe lead screws are inner pipe lead screws. The lower end of the bottom lead screw and the lower ends of the inner pipe lead screws are connected with ring-shaped lower sleeves correspondingly. The lower end of the top pipe lead screw is connected with a nut in an engaged mode. The upper end of the bottom lead screw and the upper ends of the inner pipe lead screws are connected with ring-shaped upper sleeves. The outer circumferential walls of the ring-shaped upper sleeves are provided with guiding keys in the axial direction. The inner walls of the inner pipe lead screws and the inner wall of the top pipe lead screw are provided with axial guiding grooves matched with the guiding keys. The bottom lead screw and the inner pipe lead screws are matched with the adjacent inner pipe lead screws and the top pipe lead screw through the keys and the grooves, axial planes do not needed to be machined on the pipe wall of the bottom lead screw and the pipe walls of the inner pipe lead screws, nuts on the ring-shaped lower sleeves are not prone to abrading, so that the normal lifting operation of the multi-lead-screw synchronous motor lifting rod can be ensured.
Owner:铁岭长天机电有限责任公司

Method for producing core-pulling and resetting mechanism of injection mould

The invention provides a method for producing a core-pulling and resetting mechanism of an injection mould. The core-pulling and resetting mechanism comprises a fixed mould (4) and a movable mould (10), wherein the movable mould (10) is provided with a locating block (8), chutes (7) and a locking block (9); and the fixed mould (4) is provided with a core-pulling slider (1), a buckle (2) and a limited block (3). The core-pulling and resetting mechanism is characterized in that springs (5) and a cylinder (6) are arranged at the lower part of the fixed mould (4). By adopting the structure in the invention, when the movable mould and the fixed mould are closed, the locking block is tightly pressed on the inclined plane of the top end of the core-pulling slider; when the movable mould and the fixed mould are separated, the springs rebound and the core-pulling slider is pulled out toward the upper inclined part along the chutes, so that the core-pulling action can not fail, thus realizing the double-safety pulling mechanism based on the springs and buckle. Because of the addition of the cylinder, when the movable mould and the fixed mould are closed, the cylinder drives the core-pulling slider to reset along the chutes, thus realizing the double-safety resetting mechanism based on the cylinder and locking block.
Owner:JIANGSU WENGUANG VEHICLE ACCESSORIES
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