236results about How to "High application value" patented technology

The invention discloses a discharge capacity monitoring and collecting method for ultrahigh frequency local discharge, In the method, the pulse number exceeding the comparative level in each phase interval of an industrial frequency period is obtained through level comparison by analyzing the characteristic of an ultrahigh frequency local discharge signal and scanning a comparative level and the local discharge signal; the pulse number of different comparative levels is obtained through gradually increasing the comparative level, if no comparative pulse is output, the local discharge amplitude is smaller than the set comparative level, thus, a three-dimensional spectrogram of the ultrahigh frequency local discharge signal can be obtained through the pulse numerical values under different comparative levels; and conventional high-speed large-capacity data acquisition is changed into high-frequency pulse comparison counting, thereby simplifying an ultrahigh frequency local discharge monitoring circuit. A device provided by the invention has wide use range, higher accuracy, simple structure, smaller size, low cost, simple operation and convenient carry.

The invention discloses a Micro-LED mass transfer device. The mass transfer device comprises a die bonding welding arm, a flip chip bonding arm, an external physical field device and an operating table, wherein the die bonding welding arm comprises a die bonding guide rail, a die bonding bracket, a die bonding transfer head and a die bonding elastic telescopic material; and the flip chip welding arm comprises a flip chip rotary motor, a flip chip guide rail, a flip chip bracket, a flip chip transferring head and a flip chip elastic telescopic material. Correspondingly, the invention further provides a Micro-LED mass transfer method. By virtue of the Micro-LED mass transfer device and transfer method provided by the invention, the spacing of the target substrate Micro-LED is only determinedby the transfer head template spacing is overcome in an innovative mode, the rigid structure between the original transfer heads is replaced by the elastic telescopic materials, and the longitudinaldeformation of the elastic telescopic material is changed through the external physical field, so that complete controllable mass transfer of the distance of the electronic elements is realized.

The invention provides a handling robot system for chemical mechanical polishing, which is characterized in that an actuating mechanism comprises a robot body and a support device, the robot body comprises jaws, jaw turning mechanisms, small arms, large arms and a sleeve, the support device comprises a linear guide slide and a guide screw, a detector is used for detecting operating state parameters of the actuating mechanism to generate detection formation, a control device is used for controlling movement and motional angle of the jaws and comprises an upper computer controller, a master controller, a motion controller, a servo driver, a motor and an encoder, the upper computer controller is used for receiving operational orders input by a user, the encoder is used for detecting corresponding state information of the motor, the master controller is used for generating movement orders for the actuating mechanism, the motion controller is used for calculating motor controlling quantity according to a preset control algorithm, the servo driver is used for calculating corresponding control torques of the motor, and the motor is used for driving the actuating mechanism to move under control of the corresponding control torques.

The invention provides a poly(carborane-siloxane/silazane) polymer and a preparation method thereof. The structure of the polymer is shown in the formula (I), wherein the formula represents carborane group; p and q are natural numbers between 3 and 16; R1, R2, R3 and R4 are selected from hydrogen, substituted or unsubstituted C1-20 alkyl, cycloalkyl, alkenyl, alkynyl or aryl; m is a number between 0 and 100, except for 0; n is a number between 0 and 100; and x represents the polymerization degree of the polymer and is a number between 0 and 1000. In the invention, a simple method is adopted to synthesize the carborane-containing polysiloxane-silazane polymer with the new structure, wherein the polymer contains repetitive units such as carborane, siloxane and silazane in the structure; unsaturated groups such as vinyl and ethynyl can be conveniently introduced to the side group to ensure that polymer performs crosslinking under the thermal effect to form resin materials, and the resin materials are further heated to form ceramic materials. The polymer can be used as high-temperature resistant binders, atomic oxygen resistant coatings, ceramic precursors and the like and have great application value in the fields such as national defense, aviation and aerospace.

The invention discloses a quick dissolving method of a hydrophobically associating polymer and a special stretching device thereof. The stretching device comprises a fixed grinding wheel fixed on a base and a moving grinding wheel arranged in the fixed grinding wheel, wherein a space is preserved between the moving grinding wheel and the fixed grinding wheel; the top of the moving grinding wheel is provided with a regulating ring; the moving grinding wheel is provided with grinding teeth; the bottom of the moving grinding wheel is provided with an impeller, and the impeller is arranged in theinner cavity of the base; the fixed grinding wheel is provided with an entrance corresponding to the moving grinding wheel; and the base is provided with an exit corresponding to the impeller. The invention also provides a method for applying the stretching device to dissolve the hydrophobically associating polymer. The hydrophobically associating polymer obtained by using the method can be used for a polymer flooding technologies under a high mineralization condition so as to improve the recovery efficiency of petroleum.

The invention discloses an organic lighting structure comprising an anode layer and a cathode layer, and an organic lighting layer arranged between the anode layer and the cathode layer; the organic lighting structure also comprises a side face reflection layer; the anode layer has a reflection layer, and the cathode layer is a transparent structure; the side face reflection layer is arranged under the cathode layer so as to form a light emitting zone with the anode layer; the anode layer and the side face reflection layer reflect the light emitted by the organic lighting layer, so the light can be emitted from the lighting emitting zone. The side face reflection layer is arranged around the organic lighting layer so as to reflect the light of side directions, thus improving light emitting efficiency of the organic lighting structure having very high application value.

The present invention discloses a method for breeding Semanotus bifasciatus (motschulsky) on a large scale and its application for biologically controlling injurou s insects. Said invention utilizes artificial breeding or collection of Semanotus bifasciatus (Motschulsky) from natural world, and uses it as substitute host for breeding Scleroderma sp and Pymeotes sp. by means of culture dish and dactylethrae.

The invention belongs to the field of a genetic engineering, and relates to a loop-mediated isothermal amplification (LAMP) primer composition for detecting phytophthora rot and an application thereof. The primer composition comprises a forward inner primer FIP showed in SEQ ID NO.1, a backward inner primer BIP showed in SEQ ID NO.2, a forward outer primer F3 showed in SEQ ID NO.3, a backward outer primer B3 showed in SEQ ID NO.4, and a reverse annular primer LB showed in SEQ ID NO.5. The LAMP primer composition can be applied to detection or identification of phytophthora rot. The LAMP primer composition has the advantages of good sensibility for specificity, rapid amplification, high efficiency and simple identification in the application of detecting phytophthora rot.

The invention discloses a simple screening method for salt-tolerance maize inbred lines. A germination period test and a seedling stage test are both performed under the conditions of 0 mmol/L and 180 mmol/L. In the stress test of a germination period, 15mL of salt solution is replenished once each day, the number of germinated seeds of each inbred line is counted after the seeds are germinated for 4 days, and the germination vigor of 16 inbred lines is calculated; the germination rate, the germinal length, the root length, the germ fresh weight and the root fresh weight of the 16 maize inbred lines are measured after 7 days. In the seedling stage test, 50mL of de-ionized water is replenished once every 2 days, 50mL of NaCl solution with corresponding concentration is replenished once every 3 days, and a second leaf is taken to measure the content of MDA, the relative conductivity and the relative water content after stress treatment is performed for about 10 days and a control leaf grows to three leaves with one center. According to the method, the salt injury index of each indicator is calculated by measuring a plurality of indexes in the germination period test and the seedling stage test, the salt tolerance of each inbred line is subjected to cluster analysis according to the salt tolerance index, and each inbred line is comprehensively evaluated to finally screen the salt-tolerance inbred lines. The simple screening method is easy and convenient to operate and can be finished in a laboratory, the workload is greatly reduced, the screening time is shortened, and the screening efficiency and the result accuracy are improved.

The invention discloses a preparation method of a {001} crystal surface-exposed BioBr square nanosheet, and belongs to the filed of preparation of nano photocatalytic materials. The specific preparation method is as follows: adding a bismuth salt which can be dissolved in acid into concentrated nitric acid, adding deionized water after preliminarily stirring to carry out dissolving dilution; adding ion liquid [Bmin]Br into the distilled water for stirring and dissolving; mixing the two, pouring the mixture into a high-pressure kettle, controlling the pH to 1-4, centrifuging, washing and drying to obtain the BioBr square nanosheet after hydrothermal reaction. According to the preparation method disclosed by the invention, a photocatalytic material is synthesized by a simple synthesis method and a non-toxic reagent, and environment-friendly requirements are satisfied; in a hydrothermal system, surface energy in a growth process of the crystal is controlled by the ion liquid, so that a proportion of the {001} crystal surface on the surface of the catalyst is improved. The prepared BioBr square nanosheet has higher application value in the fields of pollution treatment, environmental protection, new energy preparation and the like.

The invention discloses a fungus strain PA F-2 with broad-spectrum pesticide degradation characteristics. The fungus strain is named as Aspergillus sydowii, and is preserved in China Center for Type Culture Collection in Wuhan university on 7th Sep. 2015, the address is Wuhan university, Wuhan, China, and the preservation number is CCTCC NO.M2015513. The Aspergillus sydowii strain PA F-2 is obtained via selection, is capable of degrading 13 pesticides, and possesses extremely high application value in comprehensive treatment of pesticide polluted water body and soil, and industrial site compound pesticide pollution.

The invention belongs to the field of image processing, and aims to provide technology that a convolutional neural network (CNN)-based stereoscopic-image comfort degree evaluation method is adopted toobtain an evaluation score of an image, a subjective evaluation value of a human on the stereoscopic image is better fitted, and a stereoscopic-image comfort degree can be very well predicted. Therefor, the adopted technical solution in the invention is the convolutional neural network-based stereoscopic-image comfort degree evaluation method. Information of a left view, a right view and a disparity map of the stereoscopic image is synthesized into one image to use the same as input of a network, human perception is simulated through the convolutional neural network to process the obtained image, weight coefficients are obtained through training, and finally, human eye vision significance features are utilized to carry out weighting on image block comfort values to form a comfort value ofthe overall image. The method is mainly applied to image processing.

The invention discloses a dynamic kinetic method for resolving secondary alcohol,Which comprises the following steps: (1) adding parachlorophenol, long-chain organic acid, dicyclohexylcarbodiimide and 4-dimethylaminopyridine in a mol ratio of 1:(1-2):(1-2):(0.03-0.05), stirring to react for 3-7 hours, filtering, drying the filtrate, concentrating, and passing through columns to obtain a pure ester as an acyl donor for later use; and (2) adding secondary alcohol and the acyl donor in a mol ratio of 1:(1-6), 10-40mg/ml racemization catalyst and 5-20mg/ml lipase into 2-6ml of organic solvent, reacting at 30-60 DEG C for 6-12 hours to obtain the ester of which the conversion rate is 100% and the e.e value is greater than 99%. The invention overcomes the defects in the past dynamic kinetic resolution process; when the conversion rate of the secondary alcohol reaches 100%, the e.e value of the obtained ester can also approach to 100%; and the invention greatly enhances the properties of the product, can satisfy various requirements for purity, and has a high application value.

The invention provides an exploration method for tundra natural gas hydrate. The method includes the steps that a work area is divided into different detection zones; atmosphere methane concentration data obtained after atmospheric sounding satellite retrieval are utilized, leakage methane information of upper atmosphere is acquired, and abnormal atmosphere methane areas are confirmed; based on remote sensing data with red edge wavebands, land vegetation chlorophyll change information is extracted, the poison condition of methane to land vegetation is acquired, and earth surface leakage areas are confirmed; based on earth surface soil hydrocarbon oil gas chemical exploration data, soil methane content information is extracted, the enrichment condition of methane in shallow surface soil is acquired, and shallow surface leakage areas are confirmed; based on ground penetrating radar data, radar wave fuzzy areas in a tundra are extracted, the enrichment condition of methane in shallow frozen soil is acquired, and leakage areas in the shallow frozen soil are confirmed; based on transient electromagnetic response data, deep stratum resistivity information is extracted, deep stratum apparent resistivity information is acquired, and occurrence positions are confirmed; in combination of the information, the conclusion whether a natural gas hydrate exploration prospect exists in the work area is made.

The invention discloses an electric energy meter data interface satisfying IR46 metering independence requirements. The electric energy meter data interface comprises a legal metering assembly and a non-legal metering assembly wherein the non-legal metering assembly comprises a display module, a communication module, a storage module and a calculation module, and the legal metering assembly comprises a clock module, a metering module and a sampling module. Total electric energy, rate electric energy and required amount are calculated according to minute incremental electric energy acquired by the data interface, and the legal metering assembly and the non-legal metering assembly are completely isolated from each other to ensure the metering independence of an electric energy meter. The invention also provides a verifying method for measuring independence under the interface mode, and the method can effectively verify whether an interface method of minute increment electrical energy is adopted and whether the precision after adopting the interface meets the requirements. To improve the robustness of electric energy meter software, it is of great value to design a meter which meets the requirement of IR46 metering independence and to test and verify the independence of the electric energy meter.

The invention discloses a low-temperature sintered tungstate microwave dielectric ceramic Li2MW2O8 and a preparation method thereof. The low-temperature sintered tungstate microwave dielectric ceramic is made of a material with the component of Li2MW2O8, wherein M is selected from one of Zn, Mg and Cu. The preparation method of the low-temperature sintered tungstate microwave dielectric ceramic Li2MW2O8 comprises the following steps of: (1) weighting and proportioning initial Li2CO3, MO and WO3 powders with the purities of over 99.9% according to the chemical formula Li2MW2O8, wherein M is selected from one of Zn, Mg and Cu; (2) performing wet-type ball milling and mixing on the raw materials for 12 hours, drying the raw materials, and then, presintering the raw materials at 600-DEG C atmosphere for 6 hours, wherein distilled water is used as a solvent; and (3) adding a binder into the prepared powder, pelleting, then, carrying out compression moulding, and finally, sintering at 650-700 DEG C atmosphere for 4 hours, wherein the binder is a 5wt% polyvinyl alcohol solution and accounts for 3% of the total quantity of the powder. The ceramic prepared by the invention is good in sintering at the temperature of 650-700 DEG C, high dielectric constant up to 22-24, high quality factor (Qf) value up to 67000-86000GHz and small temperature coefficient of resonance frequency.

The present invention provides an optical amplifier gain noise compensation method and a device. The device comprises an incident light correction setup module to set incident light correction digital signals, an AD collection module to collect incident light digital signals and a correction module to calculate the incident light correction digital signal according to digital electric signals to acquired corrected incident light detecting signals as control signals, thus realizing compensation for spontaneous radiation noises. Wherein, the incident light correction digital signal corresponds to a fixed compensation rate. Therefore, an incident light detecting circuit based on conclusions based on theories of the present invention to realize noise power compensation and tangible signal power gain control. Moreover, the device of the present invention substantially fulfills control over signal gain, ensures convenient and flexible engineering application and has greater practical values.

The invention discloses a low temperature sintered microwave dielectric ceramic Li2Ba1-xSrxTi4O16 and a preparation method thereof. The components of the ceramic are shown in the formula of Li2Ba1-xSrxTi4O16, wherein x is more than or equal to 0 and less than or equal to 1. The preparation method comprises the following steps of: preparing raw materials of BaCO3, SrCO3, Li2CO3 and TiO2 original powder with the purity of over 99.9 percent according to the formula of Li2Ba1-xSrxTi4O16, wherein x is more than or equal to 0 and less than or equal to 1; mixing the prepared raw materials for 12 hours through wet ball-milling, wherein a solvent is distilled water; drying, and pre-sintering at 900DEG C in the air for 6 hours; adding an adhesive into the pre-sintered powder, granulating, and pressing for formation; and sintering at the temperature of between 950 and 1,050DEG C in the air for 4 hours, wherein the adhesive is a 5 mass percent polyvinyl alcohol solution and is 3 percent of the total weight of the pre-sintered powder. The ceramic is well sintered at the temperature of between 950 and 1,050DEG C, has the dielectric constant of 32-40, the quality factor Qf value of 60,000-100,000GHz, small temperature coefficient of resonance frequency, and great application value in industry.

The invention relates to a preparation method used for a ultraviolet detector, in particular to a method used for preparing a solar blind ultraviolet detector, comprising the steps as follows: a metal organic chemical gas phase deposition method is used for preparing an MgZnO film layer on a sapphire substrate; an Au film layer is steam-plated on the MgZnO film layer; a wet method is used for etching the Au film layer so as to prepare an interdigital electrode; the O-Zn-Mg film layer is the MgZnO film which has single cubic phase and an absorbing edge ranging from 220 to 260nm and is obtained under the process conditions as follows: growth temperature ranging from 300 to 500 DEG C, vacuum degree of a growth chamber of 2 multiplied by 10<4>Pa, carrier gas of nitrogen with high purity of 99.9999 percent, bis-Mg is taken as Mg source and diethyl Zn as Zn source, the molar concentration ratio Zn/Mg of Zn and Mg in the growth chamber is led to be 0.4 to 1 by controlling the flow rate, and the oxygen pressure is led to be 2.5 multiplied by 10<5>Pa and the flow rate is 550ml/min. The cubic phase MgZnO alloy film obtained by the method of the invention generates no phase separation and has extremely good repeatability; the restriction ratio of ultraviolet/visible light is more than 3 magnitudes and the optical response intercepting edge is continuously adjustable within 230 to 280nm.

The invention discloses a remote high-precision vacuum sealing detection probe moving device and a use method thereof. The remote high-precision vacuum sealing detection probe moving device comprisesa hoisting and fixing mechanism, a probe moving mechanism and an arc-shaped guide rail mechanism, wherein the hoisting and fixing mechanism and the probe moving mechanism are respectively arranged ontwo sides of the arc-shaped guide rail mechanism and respectively move along the arc-shaped guide rail mechanism. The use method of the remote high-precision vacuum sealing detection probe moving device is characterized in that the position of the hoisting and fixing mechanism is unchanged in the detection process, and the arc-shaped guide rail mechanism slides in the outer circumference of a target pipeline relative to the hoisting and fixing mechanism; the probe moving mechanism slides relative to the arc-shaped guide rail mechanism, thereby realizing 360-degree detection of a suction-gun probe or a spray gun probe on the probe moving mechanism for the target pipeline in the circumferential direction. According to the remote high-precision vacuum sealing detection probe moving device andthe use method thereof disclosed by the invention, manual near-distance operation of a detector is replaced with remote motor control, and high reliability and high precision of long-time vacuum detection for equipment, in particular to equipment with a complex special structure in a high-risk environment, are realized.

The invention relates to an aqueous nonsaturated polyester with an UV-cured characteristic, and a synthetic method thereof. The method is characterized by comprising the following steps: (1) adding 40-60 mass parts of a polyol mixture, 40-60 mass parts of a polybasic acid mixture, and 0.1-0.3 mass parts of an anti-oxidant into a four-necked reactor with a stirring under the protection of nitrogen; (2) heating to 140 DEG C, keeping warm for 1 hour, heating to 150 DEG C, keeping warm for 1 hour, heating to 180 DEG C within 1 hour, keeping warm for 1 hour, and adding 4-8 mass parts of an inert solvent; and (3) cooling to 150 DEG C, adding 0.2 to 0.5 mass parts of a polymerization inhibitor, dropwise adding 7-15 mass parts of glycidyl methacrylate into the reactor, and then adding 0.1-0.3 mass parts of tetramethyl ammonium iodide; cooling to 65 DEG C, adding a neutralizer to neutralize to a pH value of 7-8 to obtain the product; stirring the product, and adding water to dilute, thereby obtaining the aqueous light-cured nonsaturated polyester. The polyester prepared by the invention is characterized by good stability.

The invention discloses a fluorescent labeled X-STR locus multiplex PCR method and an application thereof; the system performs multiplex amplification analysis of 12 loci: GATA172D05, DXS6789, DXS10074, DXS10078, GATA165B12, DXS6797, DXS6803, DXS6804, GATA31E08, DXS7130, DXS9895, and DXS6810, wherein primers of the 12 loci are labeled respectively by four fluorescences of FAM, HEX, TAMRA, ROX. The method of the invention can be used to prepare a set of kit as an X-STR locus multiplex amplification kit with Chinese characteristics, and the kit is applicable to gene localization of paternity identification, individual identification, sex identification, and X-linked genetic diseases, and is especially applicable to paternity identification for sister recognition, half-blood half-sister recognition, generation-skipping recognition, etc.

The invention belongs to the technical field of intelligent medical image processing, and specifically refers to an intelligent classification of endoscopic images and a detection method of irregularlesion areas. An artificial intelligence is used to apply a saliency detection to the classification of endoscopic images and the detection of irregular lesion areas, and the endoscopic image markedby senior doctors is used as a training sample and input into the saliency detection network model, so that the network model learns irregularly saliency areas, namely lesion areas. Experimental results show that according to the intelligent classification of endoscopic images and the detection method of irregular lesion areas, the diagnosis experience of senior doctors can be learned, the endoscopic image is more accurately divided into a lesion image and a normal image, an irregular lesion area is detected, and a reference is provided for the doctor so as to improve the diagnosis accuracy.

The invention provides a composite which has high bioavailability, is suitable for being applied for a long time and plays an auxiliary protection role in chemical and alcoholic liver injury, a preparation method of the composite and application of the composite in health-care food. The composite comprises the following components in percentage by weight: 5%-45% of silybum marianum extractives-lecithin compounds, 5%-45% of radix puerariae extractives, 10%-50% of pregelatinized starch, 10%-50% of microcrystalline cellulose, 1%-10% of sodium carboxymethyl starch and 1%-5% of magnesium stearate. The production process provided by the invention is an environment-firendly advanced process and is less in environment pollution and high in application value; the obtained product is obviously enhanced in bioavailability, outstanding in liver protection effect, reduced in toxicity and suitable for being applied for a long time.

The invention discloses a preparation method and application of anti-bacterial and anti-inflammation sow thistle ointment. The anti-bacterial and anti-inflammation sow thistle ointment is obtained by extracting raw materials according to a sequential extraction method, wherein sow thistle serves as a main raw material. The preparation method comprises the following steps: drying the raw materials; smashing the dried raw materials; mixing raw material powder with an ethanol solution to obtain a mixture I; heating the mixture I to boil; carrying out ultrasonic shaking and centrifugal separation to obtain a supernatant fluid; evaporating ethanol in the supernatant fluid, wherein the residue serves as a first extract; dissolving the first extract in water being 4 to 15 times of the first extract in volume to obtain a first extract water solution; conducting extraction with ligarine on the first extract water solution, carrying out extraction with vinegar naphtha and n-butanol sequentially, and evaporating n-butanol after extraction is finished to obtain a thick paste; mixing the thick paste with water being 1 to 15 times of the thick paste in volume to obtain a uniform raw material extracting solution, and mixing the raw material extracting solution with an ointment base to obtain the uniform sow thistle ointment. The sow thistle ointment can be applied to treatment of haemorrhoids, skin damage, acne or mammitis by being smeared on an affected part directly.

The invention provides an identification method for reservoir fluid properties. The identification method comprises following steps: analyzing sandstone samples of a target reservoir segment to be identified in a single well in order to first carbon isotope data forming sandstone samples; processing first carbon isotope data in order to obtain second carbon isotope data in accord with the standard of carbon content; setting up an identification chart for reservoir fluid properties according to second carbon isotope data; and identifying fluid properties of the target reservoir segment of tight sandstone to be identified in the single well based on the identification chart for reservoir fluid properties. The technical scheme of the identification method for reservoir fluid properties helps to significantly improve accuracy rate for identification of fluid properties of the target reservoir segment to be identified and deepen the understanding of gas reservoir so that great application value is obtained.

The invention discloses an intelligent home furnishing sleep system. Heart rate detection chips are arranged on a display screen and a wrist strap to detect the heart rate of a human body in real time. When intelligent home furnishing is adjusted, the heart rate of a wearer is observed through the display screen in real time, and the heart rate is stored through a memory card. A switch is a fingerprint-type switch, so that a control terminal is safe and confidential. An intelligent bracelet is connected with a control device through Bluetooth. The problem of limited connection of the control terminal and the control device is solved. A data acquisition terminal is a wireless sensor network composed of sensors arranged indoors. The sensors are used to detect temperature, humidity, light, odor and smoke in real time. The intelligent home furnishing sleep system can remind a user and has a high application value.

The invention relates to a manufacturing method for a ceramic-lined composite steel pipe, and belongs to the field of pipeline transportation materials. The invention provides an additive, wherein the additive consists of rare earth oxide Y2O3 or La2O3 and silicon dioxide SiO2; the rare earth oxide Y2O3 or La2O3 and the silicon dioxide SiO2 are added into a thermit according to a proportion; the additive accounts for 1-3 percent of the total weight of reaction materials; and after drying, the ceramic-lined composite steel pipe is synthesized by a self-propagating process. The method has the advantages of increasing the compactness of a ceramic layer, improving the hardness of the composite steel pipe, enhancing the wear resistance, improving the corrosion resistance and prolonging the service life, along with fine and smooth inner surface and good texture. The overall performance of the ceramic-lined composite steel pipe is improved, so that the ceramic-lined composite steel pipe becomes an ideal wear-resistant pipeline transportation material; meanwhile, the rare earth resource advantage of China is brought into full play; and the application value of rare earth in the ceramic-lined composite steel pipe is effectively improved.

The invention discloses a portable clinical pharmacy medicine dispensing device, and belongs to the technical field of clinical pharmacy. The device includes weighing mechanisms, a mixing box and a fusion box, the outer surface of the upper end of the mixing box is uniformly provided with the plurality of weighing mechanisms along the periphery of the mixing box, each weighing mechanism includes ameasuring cylinder of which the side surface is marked with scales and a supporting plate used for fixing and supporting one corresponding measuring cylinder, and a weighing sensor is arranged on each supporting plate; a sleeve which is rotatingly connected with the upper surface of each supporting plate sleeves the exterior of each measuring cylinder, and the bottoms of each measuring cylinder and each sleeve are separately provided with a medicine outlet and a through hole; the upper surface of the mixing box is provided with medicine throwing tanks with edge-shaped crests and arc-shaped troughs which are alternately connected, and the bottom of each arc-shaped trough is provided with a medicine throwing opening; and a medicine smashing hammer which can be rotated and moved up and downis arranged in a mixing cavity. Each weighing mechanism of the device provided by the invention can be used for measuring an appropriate amount of a solid or liquid medicine, and has more applicationfunctions; the device can greatly reduce the particle size of the solid medicine or even enable the solid medicine to form a powder, so that the fusion speed of the medicine can be improved; and the device has reasonable and ingenious structural design, is easy to operate and control, and has higher application value.

The invention relates to a measurement method of geometric parameters of a spatial circle which is based on the monocular vision technology, which comprises the following steps: internal parameters of a camera and one order radial distortion parameters are firstly determined; an image containing an oval image of the spatial circle is obtained by utilizing the camera for shooting, and the distortion correction thereof is carried out; all the geometric parameters of the spatial circle can be directly linearly calculated by fitting the oval image of the image plane after the distortion correction, and the geometric parameters comprise a spatial coordinate of the circle center of the spatial circle and the spatial orientation of the plane which is located by the spatial circle. The measurement method of the invention can accurately measure all the geometric parameters of the spatial circle at one time, realize the full automatic detection and reduce the measurement errors caused by manual intervention, thereby being particularly applicable to non-contact industrial detection and vision-based autonomous navigation systems.