32results about How to "No permanent damage" patented technology

The invention discloses a preparation method of a curved-surface fly's-eye lens array. According to the advantages of big deformation behavior of a flexible film mixed up with ferromagnetic grains in a magnetic field environment, and deflection controlled by the magnetic field, the preparation method of the curved-surface fly's-eye lens array through the induction of the magnetic field is proposed; from the manufacturing technique, the preparation method is featured by fast and simple operation, low cost and small dimension of a single lens, and so on.

The invention discloses an automatic locking anti-loosening nut which comprises a nut body. The nut body is provided with a threaded hole, an annular boss which extends outwardly is arranged at an end of the nut body, an annular elastic locking plate is fixed into an annular hole of the annular boss, a center hole of the annular elastic locking plate is concentric with the threaded hole, and the inner diameter of the elastic locking plate is smaller than that of the threaded hole. Protrusions which are radially protruded towards a hole center are arranged on the inner surface of the locking plate. A flange is further arranged on the nut body, and continuous radial antislip teeth are arranged on an end surface of the flange. The automatic locking anti-loosening nut has the advantages that the automatic locking anti-loosening nut can be reliably locked, shock-resistant and anti-loosening effects can be realized, the deformation-resistant metal locking plate is excellent in elastic resetting ability and can be reset after being used and detached, accordingly, original functions of the automatic locking anti-loosening nut can be kept, the automatic locking anti-loosening nut is reusable and is convenient to detach, and the cost can be saved; the nut is provided with the flange with the antislip teeth, so that anti-loosening and antislip friction force can be greatly increased, and the automatic locking anti-loosening nut is reliable in anti-loosening performance.

The invention provides a PGZ oil field abandoned well exploitation recovery and production increasing novel technique, aims to improve crude oil recovery exploitation degree and greatly improve well yield and change abandoned dead oil field with high water content into living oil field capable of producing oil base on operation and construction treatment. According to the PGZ oil field abandoned well exploitation recovery and production increasing novel technique, a slowly expanding selective water plugging technique and a slowly expanding selective water plugging fixing technique with high plugging intensity, good stability, long effective period and no perpetual harm to stratum are adopted and a critical novel technique enabling fluid to steering flow is introduced. The dominant mechanism of the fluid steering flow technique is that water in high pressure water layer leaks into matrix oil layer at the presence of a steering agent and crude oil in the matrix oil layer is driven to flow to a shaft bottom under flow pressure difference, so as to be exploited.

The invention discloses a programmable analog heating apparatus used for a battery thermal management test and a control method for the programmable analog heating apparatus. The programmable analog heating apparatus comprises an upper computer and a plurality of single analog heating apparatuses; the upper computer is connected with each single analog heating apparatus through a communication bus; a battery database and a working condition database are stored in the upper computer; each single analog heating apparatus is provided with a distributed control sub board, a small-sized power module, a heating apparatus and a temperature collection module; the upper computer reads the battery database and the working condition database and obtains heating power data through calculation; then the upper computer transmits the heating power data to each single analog heating apparatus through the corresponding communication bus; the distributed control sub board in each single analog heating apparatus controls the small-sized power module to output corresponding voltage and current to the corresponding heating apparatus so as to control the corresponding heating apparatus to give out heat; the temperature collection module collects the temperature data of each single analog heating apparatus and transmits the data to the corresponding distributed type control sub board; and the distributed type control sub board transmits the temperature data to the upper computer through the corresponding communication bus.

A Chinese medicine in the form of honeyed pill for dropping drug is prepared from 39 Chinese-medicinal materials including notoginseng, astragalus root, corydalis tuber, eagle wood, ginseng, etc through classifying, pulverizing, sieving, mixing, adding honey and distilled water, stirring and pilling. Its advantages are high and stable curative effect, short course of treatment, low recurrence rate and low toxic by-effect.

The invention discloses an ultrasonic nerve regulator control system and method for treating addictive diseases, and a storage medium. The system comprises an ultrasonic wave generating and emitting device and an ultrasonic electronic control device, wherein the ultrasonic electronic control device is connected with the ultrasonic wave generating and emitting device; the ultrasonic electronic control device is used for generating a pulse signal, and transmitting the pulse signal to the ultrasonic wave generating and emitting device; and the ultrasonic wave generating and emitting device is used for conveying the pulse signal into ultrasonic radiation force and is used for exerting the ultrasonic radiation force to cerebral assigned parts of an experiment target, wherein the ultrasonic radiation force is acted on the cerebral assigned parts, operation of opening cranium is not needed, and permanent wound cannot be caused; target points can be replaced, and because the ultrasonic radiation force has strong penetration capacity, skull can be penetrated, and nuclei can be deeply stimulated; and in addition, the ultrasonic radiation force is good in directivity, so that a certain specific part can be accurately stimulated, and god treatment effect can be realized.

The invention discloses a tripterine nanostructure lipid carrier modified by lentiviral vector and preparation method and application thereof, wherein teh tripterine nanostructure lipid carrier modified by the lentiviral vector consists of tripterine and a lipid carrier, various components comprise 1 part by weight of tripterine, 0.5 to 10 parts by weight of lentiviral vector, 5 to 100 parts by weight of lipid blends, 0.5 to 20 parts by weight of emulsifier and 5 to 100 parts by weight of stabilizer. The tripterine nanostructure lipid carrier modified by the lentiviral vector can increase nanoparticles encapsulating rate to 78-90%. The tripterine nanostructure lipid carrier modified by the lentiviral vector uses oral administration, thereby promoting absorbing of the tripterine in a body,improving bioavailability, reducing administration dosage, reducing accumulation of the tripterine in the body at last, reducing toxic reaction by combining sustained release of a nanostructure lipidcarrier, and improving clinical therapeutic effect of the tripterine at last.

The invention provides laser bird-repelling equipment. The equipment comprises an infrared night vision observer, a laser emitter and a controller, and the laser emitter and the infrared night visionobserver are connected with the controller; the infrared night vision observer is used to acquire image data in a field of view, and the laser emitter is used to emit a laser beam for repelling birdsto the field of view; and the controller is used to determine whether the birds exist in the field of view according to the image data, and when the controller judges that the birds exist, the laser emitter is controlled to emit the laser beam for repelling the birds. According to the equipment provided by the invention, the laser emitter adopts a helium-neon laser device or a semiconductor laserdevice, and the helium-neon laser and the semiconductor laser cause more direct damage to retinas of the birds, do not cause permanent damage, and have low impact on humans; and meanwhile, in the birdrepelling process, the night vision observer is used to perform bird repelling monitoring, video recording and picture shooting of bird repelling are realized, the bird types are obtained, and the equipment can work at night.

The invention discloses an integrated force sensor. The integrated force sensor is characterized by including a base body, a flexible through cavity arranged on the base body, and flexible skin covering the flexible through cavity; the base body is provided with a bulge, the flexible through cavity is divided into two sections under the action of the bulge, one end of the flexible through cavity is connected with a pressure sensor for measuring the internal pressure of the flexible through cavity, and the other end of the flexible through cavity is communicated with outside air. According to the integrated force sensor, to-be-detected force changes air pressure by changing the shape of an object, so that the size of the to-be-detected force is detected through detection of the air pressure; moreover, overloaded pressure can be released through a pressure releasing mechanism so that the safety of the film of the pressure sensor cannot be affected, and even the pressure which is overloaded more than static pressure by 100 times cannot cause permanent damage to the film.

The invention discloses a spherical scaffold used in the stomach. The spherical scaffold used in the stomach is made of metal alloy wires comprises an upper circle (1), a lower circle (4), a bone longitude line (2) and a bone latitude line (3), wherein the upper circle is opposite to the lower circle, the bone longitude lines are spaced in an arc shape, one end of each bone longitude line is connected with the upper circle, and the other end is connected with the lower circle; the bone latitude lines and the bone latitude lines are interwoven spirally at equal intervals to form a grid; the spherical scaffold used in the stomach is in a net shape in the relaxation state and in a cylindrical pipe shape in the contraction state. The spherical scaffold used in the stomach has the smooth surface, has characteristics of softness and elasticity and can perform passive peristalsis in the gastric cavity along with stomach peristalsis, besides, the spherical scaffold is changeable in the stomach due to the wet and smooth internal environment secreted by gastric mucosa, cannot be inlaid in the gastric cavity or embedded by the gastric mucosa, can be taken out conveniently at any time under the assistance of a gastroscope and can be reused, and bad reactions and obesity bounce on a dieter during usage can be effectively prevented.

This invention relates to one display structure, which comprises first metal shell, display panel and second metal shell, wherein, display panel is set on first metal shell inner and outer surfaces and covers on second metal shell; the display panel is composed of base board, light element and back cover; the baseboard has drive electrode; the light element is set on base board and drive electrode; back cover on light parts set on back cover between magnetic layer and light element; when forming display structure, the display panel can absorb and position first metal shell and second shell.

The invention discloses a Chinese medicinal drug addiction stopping and three-hyper lowering capsule, which is prepared by cleaning, drying, smashing, uniformly mixing and loading 39 types of Chinese medicines such as pseudo-ginseng root, astragalus, corydalis tuber, Chinese eaglewood, and ginseng into a capsule. The Chinese medicinal drug addiction stopping and three-hyper lowering capsule has the advantages of stable curative effect, short treatment course, small toxic and side effects and low relapse rate. The capsule also has an immunity enhancing function on a patient suffering from 'three-hyper (hypertension, hyperlipemia and hyperglycemia)' in cardiovascular system diseases, and a rehabilitation effect is achieved.

The invention belongs to the technical field of chemical engineering. The invention especially relates to a lithium ion battery resistant to storage discharge to zero volt and a battery discharge process test. The invention discloses a reversible lithium ion battery. Discharging can be performed until the voltage between a cathode and an anode is zero volt, and the battery cannot be damaged perpetually; the novel anode current collector is provided, a titanium foil is selected as the anode current collector, and the dissolving potential of the titanium foil is higher than the zero-point crosspotential of the cathode and the anode of the battery, so that the permanent damage to the battery due to dissolution and precipitation of the copper foil in the process of discharging the lithium ionbattery to 0V is avoided.

The invention belongs to the technical field of oil field production, and specifically relates to an in-slot temporary plugging agent for fracturing and a preparation method thereof. The temporary plugging agent comprises the following components (by weight): 38 parts of hydroxypropyl cellulose, 15 parts of polyvinyl butyral, 16.5 parts of zinc oxide, 27 parts of urea-formaldehyde resin, 6 parts of hexamethylenetetramine and 14 parts of calcium hypochlorite. The preparation method comprises the following steps: uniformly mixing hydroxypropyl cellulose, polyvinyl butyral, zinc oxide, urea-formaldehyde resin, hexamethylenetetramine and calcium hypochlorite at normal temperature of 25 DEG C, and then slowly adding the mixture into water under the condition of stirring, and stirring for 30 minto obtain the in-slot temporary plugging agent for fracturing. After 2 h of waiting on cement setting in a shaft of 60 DEG C, the temporary plugging agent can withstand a pressure difference of 40.6MPa. After gel breaking, the viscosity of the gel breaking liquid is less than 5 mPa.S, and all the gel breaking liquid can be discharged to the ground through a backflow process.

A Chinese medicine in the form of honeyed pill for dropping drug is prepared from 39 Chinese-medicinal materials including notoginseng, astragalus root, corydalis tuber, eagle wood, ginseng, etc through classifying, pulverizing, sieving, mixing, adding honey and distilled water, stirring and pilling. Its advantages are high and stable curative effect, short course of treatment, low recurrence rate and low toxic by-effect.

The invention relates to a plate type heat exchanger (102)with a heat exchanger assembly (104), end panels (106) and end panel connection members (107)connecting the end panels (106). The heat exchanger assembly (104) has a stack of heat exchanger plates (112) and a pair of outer heat exchanger plates (114) located on opposing sides of the heat exchanger assembly (104). At least one outer heat exchanger plate (114) is mechanically connected to an adjacent end panel (106) and has an outer main surface portion (122) facing the adjacent end panel (106) that is thermally connected to an end panel contacting region (125) of the adjacent end panel(106). The in-plane thermal expansion properties of the outer main surface portion(122) are identical to in-plane thermal expansion properties of the end panel contacting region(125).

The invention discloses a magnetic ionic liquid thruster. The magnetic ionic liquid thruster comprises a storage unit, a magnetic induction unit, a power supply unit and an emission unit, wherein theemission unit comprises a plurality of emitter bases, extraction electrodes and accumulation electrodes, and magnetic sprayers positioned at the outer side of the thruster; the plurality of emitter bases, extraction electrodes and accumulation electrodes have the same quantities; the storage unit is used for storing magnetic ionic liquid; the magnetic induction unit generates magnetic induction force, so that a peak is formed on the surface of the magnetic ionic liquid entering the emitter bases from the storage unit; the power supply unit is used for providing electric pulses for the emitterbases, the extraction electrodes and the acceleration electrodes; the extraction electrodes enable the peak formed on the surface of the magnetic ionic liquid to spray ions and charged liquid drops ina direction towards the acceleration electrodes under the effect of electric pulses; the acceleration electrodes are used for accelerating the movement of the ions and the charged liquid drops in a direction towards the magnetic sprayers under the effects of the electric pulses; and the magnetic sprayers are used for spraying the ions and the charged liquid drops out of the thruster to generate thrust.

The invention discloses a traditional Chinese drug detoxification Jiangsangao capsule, which is made of 39 traditional Chinese medicines such as Panax notoginseng, Astragalus root, Xuanhu, agarwood and ginseng, which are washed, dried, pulverized and mixed evenly, and packed into a capsule to make a capsule. It has the advantages of stable curative effect, short course of treatment, less toxic and side effects, and low relapse rate. It can also enhance the immune function of patients with "three highs" (ie, high blood pressure, high blood fat, and high blood sugar) of cardiovascular system diseases, and achieve the effect of rehabilitation treatment.

The invention discloses an atraumatic uterus haemostatic forceps which comprises two forceps arms which are intersected and hinged through a joint shaft. Each forceps arm comprises a straight strip-shaped upper forceps arm, an arc-shaped lower forceps arm and a forceps handle, the joint shaft is positioned between each lower forceps arm and the corresponding forceps handle, each upper forceps armis provided with a spherical top end, an annular handle is arranged at the tail end of each forceps handle, the length of each upper forceps arm is 5cm, the radian of each upper forceps arm is 15 degrees, and the resultant force of front arms, can be improved. The atraumatic uterus haemostatic forceps is fastened, the spherical forceps heads are closely fitted, a 2mm gap is reserved between the upper forceps arms, rubber soft pipe sleeves with the thickness of 1mm are connected on the upper forceps arms in a sleeving manner, and the gap is removed after the upper forceps arms are fastened. Rubber pipe pads on the forceps arms can furthest protect uterus blood vessels and tissues when the uterus blood vessels are blocked.

A plate type heat exchanger (102) includes a heat exchanger assembly (104), end panels (106) and end panel connection members (107) connecting the end panels (106). The heat exchanger assembly (104) has a stack of heat exchanger plates (112) and a pair of outer heat exchanger plates (114) located on opposing sides of the heat exchanger assembly (104). At least one outer heat exchanger plate (114) is mechanically connected to an adjacent end panel (106) and has an outer main surface portion (122) facing the adjacent end panel (106) that is thermally connected to an end panel contacting region (125) of the adjacent end panel (106). The in-plane thermal expansion properties of the outer main surface portion (122) are identical to in-plane thermal expansion properties of the end panel contacting region (125).

A defense device of stick type is a stick type of jetting device for jetting out irritant aerial fog or irritant jet-flow. It is featured as applying elastic layer as external surface of jet cylinder, placing jet tube in jet cylinder, connecting seal head at front end of jet cylinder, setting a propelling mechanism at back of jet cylinder, packing irritant with pressure in jet tube, setting handle at back of jet cylinder and laying switch as well as safety mechanism on handle.

The invention provides a PGZ oil field abandoned well exploitation recovery and production increasing novel technique, aims to improve crude oil recovery exploitation degree and greatly improve well yield and change abandoned dead oil field with high water content into living oil field capable of producing oil base on operation and construction treatment. According to the PGZ oil field abandoned well exploitation recovery and production increasing novel technique, a slowly expanding selective water plugging technique and a slowly expanding selective water plugging fixing technique with high plugging intensity, good stability, long effective period and no perpetual harm to stratum are adopted and a critical novel technique enabling fluid to steering flow is introduced. The dominant mechanism of the fluid steering flow technique is that water in high pressure water layer leaks into matrix oil layer at the presence of a steering agent and crude oil in the matrix oil layer is driven to flow to a shaft bottom under flow pressure difference, so as to be exploited.

This invention relates to one display structure, which comprises first metal shell, display panel and second metal shell, wherein, display panel is set on first metal shell inner and outer surfaces and covers on second metal shell; the display panel is composed of base board, light element and back cover; the baseboard has drive electrode; the light element is set on base board and drive electrode; back cover on light parts set on back cover between magnetic layer and light element; when forming display structure, the display panel can absorb and position first metal shell and second shell.

The present invention provides rGO-LiOH micro-spring / wood composite electrode material and its preparation method and application. The method includes step 1, ultrasonically pulverizing lithium carbonate, graphene oxide and deionized water and then freeze-drying to obtain LiCO 3 and GO airgel; step 2, the LiCO 3 After the moisture in the airgel with GO is removed, heat it at 1000-1200°C for 2-5 hours in nitrogen or inert gas to obtain rGO-LiOH micro-springs; step 3, blow the rGO-LiOH micro-springs into the carbonized In the pores of lignin wood, an electrode material with three-dimensional high specific capacitance, high elasticity, high porosity and high specific surface area is obtained. The electrode material can be further assembled into elastic capacitors or wearable capacitors, which can drive any electronic device within the range of the capacitor.

The invention belongs to the technical field of oilfield production, and in particular relates to a temporary plugging agent for fracturing and a preparation method thereof. The components and parts by weight are: 38 parts of hydroxypropyl cellulose and 15 parts of polyvinyl butyral , 16.5 parts of zinc oxide, 27 parts of urea-formaldehyde resin, 6 parts of hexamethylene tetraammonium, 14 parts of calcium hypochlorite. Mix hydroxypropyl cellulose, polyvinyl butyral, zinc oxide, urea-formaldehyde resin, hexamethylenetetraammonium and calcium hypochlorite at room temperature at 25°C, and then add the mixture slowly under stirring After stirring in water for 30 minutes, the temporary plugging agent for fracturing can be obtained. This temporary plugging agent can withstand a pressure difference of 40.6MPa after waiting for 2 hours in the wellbore at 60°C. After the gel is broken, the viscosity of the gel-breaking fluid is less than 5mPa·S, and all of it can be discharged to the ground through the flowback process.

The invention provides a defect identification method of a semiconductor laser. The defect identification method comprises the following steps: acquiring a first relation curve graph of capacitance and frequency of a semiconductor laser in an aging process; and acquiring defect energy level information and / or defect distribution information of the semiconductor laser according to the first relation curve graph. The invention further provides another defect identification method of a semiconductor laser, which comprises the following steps: acquiring a second relation curve graph of the apparent carrier concentration and the depletion region width of a semiconductor laser in the aging process; and acquiring defect distribution information of the semiconductor laser according to the second relation curve graph. According to the invention, the defect identification of the semiconductor laser is carried out by adopting the electrical characteristics of the semiconductor laser, and the defect identification is carried out without adopting a cutting method with permanent damage to cut a semiconductor material, so that the defect of the semiconductor laser can be identified in a nondestructive manner, and the permanent damage to the semiconductor laser is avoided.

The invention belongs to the technical field of permeable pavement congestion detection, and particularly relates to a nondestructive detection method for the congestion state of a permeable asphalt pavement. The pavement noise growth rate is calculated by standardly testing the pavement noise value of the initial permeable asphalt pavement and the permeable asphalt pavement put into use for a period of time; if the pavement noise growth rate is larger than or equal to 5.5%, it can be judged that the pavement congestion degree is serious, and cleaning and maintenance need to be conducted; therelation between the pavement noise of the permeable asphalt pavement and the pavement gap state is used for detecting the permeable pavement gap congestion state. Implementation is easy and convenient, the pavement is not damaged, and the congestion degree of the permeable asphalt pavement can be accurately detected.

The invention provides an rGO-LiOH micro-spring / wood composite electrode material and a preparation method and application thereof. The method comprises the steps that 1, lithium carbonate, graphene oxide and deionized water are subjected to ultrasonic smashing and then freeze drying, and aerogel of LiCO3 and GO is obtained; 2, moisture in the aerogel of LiCO3 and GO is removed, then the aerogel is subjected to heat preservation for 2-5 h at the temperature of 1000-1200 DEG C in nitrogen or inert gas, and an rGO-LiOH micro spring is obtained; and 3, the rGO-LiOH micro spring is blown into a pore channel of the carbonized delignified wood to obtain the electrode material with high three-dimensional specific capacitance, high elasticity, high porosity and high specific surface area. The electrode material can be further assembled into an elastic capacitor or a wearable capacitor, so that any electronic equipment within the range of the capacitor can be driven.