89results about How to "Easy-to-use and efficient" patented technology

A sample holder holds various sizes of capillaries or cuvettes for use in dynamic light scattering (DLS) or quasi-elastic light scattering (QELS), such as in DLS of fluid samples such as platelet solutions, whole blood, colloids or the like. The sample holder has a base with a stationary backing member and a sliding, rail-mounted clamping member that is magnetically biased toward the backing member. The sample holder has Peltier-type thermoelectric heating / cooling elements that extend the full height of the clamping and backing members to optimize heat transfer efficiency. The sample holder further includes horizontal slots that enable collection of scattered light from various angles around the device. Finned heat sinks are mounted above and below the horizontal slots on the outwardly facing surfaces of the backing and clamping members to stabilize the temperature of the fluid sample in the sample holder without interfering with incident or scattered light.

The invention belongs to the technical field of cloud computation, and particularly relates to a cloud computation-based internet education platform resource library image retrieval method. The method comprises the following steps of: data pre-processing: extracting image features by an image owner by using an image feature extraction algorithm, constructing a safety index by using the image features, encrypting images in an image library, and finally sending the safety index and the encrypted image library to a cloud server provider; retrieval: authorizing a user to construct a search trap door and submitting the search trap door to the cloud service provider; and searching an index file by the service provider according to a retrieval request so as to obtain image identifiers matched with the retrieval request, and sorting the sorting results according to relevancy. According to the method, a global image feature-based encrypted image retrieval method is used for realizing the efficient and convenient using of image data under cloud computing environment.

The invention discloses an assembled rapid intelligent temperature measurement and purification monitoring system based on project work resumption and epidemic prevention and control and a monitoringmethod thereof, and belongs to the field of epidemic prevention and control. The monitoring system comprises an equipment body, wherein an inlet of the equipment body is provided with a recognition gate and a face recognition panel, and the recognition gate is provided with a recognition area; a temperature measurement area and a disinfection area are sequentially arranged in the equipment body, an infrared thermometer is arranged in the temperature measurement area, a first sealing door and a second sealing door are respectively arranged at an inlet and an outlet of the disinfection area, pedal switches are respectively arranged in front of the first sealing door and the second sealing door, and a spray disinfection unit is arranged in the disinfection area. The system overcomes the defects of low epidemic situation detection efficiency and easy infection in the prior art, not only can improve the detection efficiency, but also is conducive to avoiding cross infection, and can be better suitable for large-scale and severe epidemic situation prevention and control environments.

The invention discloses a water quality detection device and detection method. The water quality detection device comprises an in-water real-time detection device and a ground water quality analysis box; a plurality of detection probes are arranged on an installation plate; a waste fluid tube is arranged in a waste fluid tube groove; test tubes are arranged in test tube grooves; one end of a slideplate, which is far away from a change-over switch, is provided with a standby water storage barrel; a plurality of reagent needle tubes are embedded in a cross plate in a clamped manner; a toothed bar A is fixedly arranged between slide rods; a rotating rod is fixedly provided with a linkage gear in a manner that the linkage gear passes through the rotating rod; and one side of a center plate, which is close to the linkage gear, is fixedly provided with a toothed bar B. The water quality detection device provided by the invention can be used for carrying out in-water real-time detection andground chemical analysis detection on water bodies in different water layers, has functions such as multi-layer detection, automatic water storage and the like, and can automatically add different types and quantities of chemical reagents and automatically switch the detection of the next water layer after detection. The invention further discloses a detection method of the water quality detectiondevice. The detection method is simple to operate and worthy of popularization.

The invention discloses a handheld glass suction plate which comprises a handle, a reset spring, an operation rod, suction plate supporting frames, a metal plate and suction plate bodies. The two suction plate supporting frames are welded to the two ends of the handle. The two ends of the operation rod penetrate through round holes in the centers of the suction plate supporting frames and are connected with the metal plate. The suction plate bodies are installed below the suction plate supporting frames and connected with the metal plate in an adhesive mode. The handheld glass suction plate is simple in structure and efficient and convenient to use. Working personnel can tightly suck the suction plate bodies onto glass by grasping the handle. When the glass is laid down, as long as the handle is loosened after the glass is placed properly, the suction plate can be taken away.

Systems, devices, and methods for using an application program interface (API) client controller to build a model view include a requestor, an executor, a converter, and one or more web APIs. Developers can create web pages that are a collection of references to API queries. The requestor maps an API path to an API request or an API call. The executor executes the API request to an API to retrieve content data. The converter then converts the retrieved content data returned by the API request to a data structure. The retrieved content data (structure) can be stored in a memory device. Multiple content data structures may be requested and stored. The data structure or data structures are then inserted in a web page template to create a model view.

The invention discloses a constant temperature and constant pressure seal test apparatus. The constant temperature and constant pressure seal test apparatus comprises a pedestal support, a pressure-control system, a temperature-control experiment system and a valve pipeline system. The pressure-control system comprises an energy accumulator and a pressure gage arranged on a pedestal; the temperature control experiment system comprises a crystallization cavity, an upper cover used for sealing is arranged on the crystallization cavity, a contact tube is arranged on the upper cover of the crystallization cavity, a solution introduction interface and a lower water outlet are arranged at a lower part of the crystallization cavity, a heating resistor is arranged in the crystallization cavity, the heating resistor is connected with a heating resistor interface arranged on the upper cover, a sensor is arranged on the upper cover; the energy accumulator is communicated with the crystallization cavity through a dimension pressure pipeline, and a dimension press valve and the pressure gage are arranged on the dimension pressure pipeline. The constant temperature and constant pressure seal test apparatus has the advantages of simple structure, high efficiency and convenience while in use, accurate temperature control, and long-term pressure control, and can be used for researching interacting phenomenon of defect rocks and a recrystallized substance of a saturated solution under constant temperature and constant pressure.

The invention discloses a wall gap filling device for construction. The device comprises a supporting base and a belt, wherein a supporting column is arranged in the center of the supporting base, a square hole is formed in the supporting column, and positive teeth are fixed on the square hole; a first gear column is arranged on the supporting column, a long-strip-shaped rod is fixed on one side of the first gear column, a bolt hole is formed in the long-strip-shaped rod, and the bolt hole is internally connected with a stud; one side of a third gear column is fixedly provided with a telescopic rod, a fixed rod is fixed on one side of the telescopic rod, and a connector is fixed on one side of the fixed rod; a steel ball is arranged on one side of the connector. The length of the telescopic rod is manually adjusted, so that the steel ball is located in a proper position in a gap, the steel ball can conveniently clean away dust and impurities in the gap, and a good foundation is provided for subsequent gap filling; meanwhile, a high-manganese steel layer on the surface of the steel ball has good wear resistance, so that the steel ball is prevented from being damaged after working for a long time.

The invention discloses an enterprise management system. The technical problems that existing enterprise employee management systems have a monotonous function and the informationization level is nothigh are solved. According to the technical scheme, the system is characterized by including a user terminal and a server which are linked through a network, the user terminal is provided with a management platform, and the management platform is provided with a user management module, a customer management module, an office management module and a process management module. The user management module is used for managing information of users logging in the management platform, the customer management module is used for managing customer information of an enterprise, the office management module is used for pushing correlated office information to the users, and the process management module is used for managing affair processes correlated with applications of the users. The advantage of meeting information management needs of the enterprise in various aspects is achieved.

The invention discloses a combined screening and dedusting device for building yellow sand, which comprises a housing, a circulating air pump, an exhaust hose, a filter box and an intake hose, and the housing is provided with an upper cover and a feeding hopper , material guide plate, sieve plate, right air port, left air port and discharge port; the lower end of the shell is provided with a threaded column, a rotating placement plate, a circulating air pump, an exhaust hose, a filter box and a connecting air pipe; the filter box There are movable upper cover, filter cloth plate and intake hose on the top; threaded joints are provided at the end of the exhaust hose and intake hose; fixed plates, rotating shafts, support frames, bottom plates, and swing screw rods are installed on both sides of the housing , Counterweight slider and fastening bolts. The invention cooperates with the threaded joint at the end of the exhaust hose and the intake hose, and the left air port and the right air port, which can promote the passage of materials and synchronously remove dust under the action of the circulating air pump. Impurities can also be recovered after the screening is completed. , easy to use and efficient, can improve processing efficiency.

The invention discloses a multi-directional heating clothes drying cabinet with high practicality. The multi-directional heating clothes drying cabinet comprises a supporting bottom plate. A shoe cabinet is fixed to the supporting bottom plate, an isolation plate is fixed to the top end of the shoe cabinet, ultraviolet irradiation lamps are installed at the bottom end of the isolation plate, clothes hangers are fixed into the clothes drying cabinet body, hooks are installed on the clothes hangers, an air blower is installed at the top end of the clothes drying cabinet body, a heater is fixed to one side of the air blower, a dust filter net and an infrared heating pipe are installed in the heater, the infrared heating pipe is located below the dust filter net, one side of the air blower is connected with an air conveying pipe, and air outlets are evenly formed in the air conveying pipe. The dust filter net and the infrared heating pipe are installed in the heater, air sucked by the air blower can be filtered and subjected to dust removal, the air can be heated and disinfected through the infrared heating pipe, and generated hot air can rapidly dry and sterilize wet clothes.

The invention discloses a highly practical glass transfer frame for buildings, which comprises a fixed bottom plate, T-shaped bolts and connecting rods, one side of the fixed bottom plate is connected with a push rod, and a handle is fixed on the push rod, and the A fixed plate and a support plate are installed on the surface of the fixed base plate, and a telescopic tube is installed on one side of the fixed plate, and a fastening regulator is provided on the telescopic tube, and a telescopic rod is connected to the telescopic tube, and the fixed plate and the support The top of the plate is tightly connected with the connecting rod through T-shaped bolts, and a steel pipe placement frame is fixed on the surface of the connecting rod. In the present invention, the glass is placed between the fixed plate and the support plate, and the fastening adjuster is manually rotated to allow the telescopic rod to expand and contract freely, so that the suction cup fits the glass on the support plate, so as to avoid the glass from falling off during transportation In order to avoid the danger, a rubber sponge pad is installed on one side of the support plate to prevent damage to the glass during transportation, and has a certain buffering effect to ensure the integrity of the glass.

The invention discloses an intelligent robot external wall plastering machine. The intelligent robot external rendering machine comprises a working main body, a machine arm and a material stirring bucket. The machine arm is installed at the upper end of the working main body. A roller is installed at the upper end of the machine arm. The lower portion of the roller is provided with a rotating shaft. The stirring material bucket is installed at the lower portion of a QC200 data processor. The QC200 data processor is connected with the stirring material bucket through a suction pipe. An electromotor is arranged at the upper end of the stirring material bucket. A rising and falling rotating rod is arranged at the lower end of the electromotor. A stirrer is arranged at the lower end of the rising and falling rotating rod. The two ends of the working main body are both provided with suspending rods. A PLC controller is arranged at one side of a heat dissipation device. One side of the PLC controller is provided with an accumulator. A TDX-328X signal transceiver is arranged at the upper portion of the accumulator. According to the intelligent robot external wall rendering machine, integrated control technology is adopted, a building is remotely controlled, an outer wall of plastered, and the robot plastering machine is high in efficiency.

The invention discloses a navigator support with a heat dissipation function. The navigator support comprises a navigator placing plate. Antiskid lines are arranged on the surface of the navigator placing plate, and a motor protective cover is installed on the rear side of the navigator placing plate. A micro motor is arranged in the motor protective cover. An output rotary shaft of the micro motor is connected with a rotary spindle through a coupling. Fan blades are connected to the rotary spindle. A fan on / off key is arranged on one side of the top end of the navigator placing plate. A fixed plate is fixed to the bottom end of the navigator placing plate. A universal joint is arranged between the fixed plate and a telescopic rod. A telescopic barrel is installed at the bottom end of the telescopic rod. A support base is fixed to the bottom end of the telescopic barrel. According to the navigator support, through rotation of the fan blades driven by the micro motor, heat dissipation treatment can be conducted on a clamped navigator, the phenomenon that the temperature of the navigator is too high due to long-time work, and consequently crash occurs to the navigator is avoided, and the effect that the navigator can work normally is ensured.

The invention discloses an intelligent air-to-water making device with high practicability. The device comprises an air-to-water making device shell, an ultraviolet sterilization device, an air blower speed detector and a power module, wherein a water making generator is mounted inside the air-to-water making device shell; a heating device is arranged at the top of the water making generator; an air blower is mounted at the top of the air-to-water making device shell; an air inlet is formed in the air blower; the ultraviolet sterilization device is mounted below a filtering device; a support frame is arranged at the bottom of the air-to-water making device shell; the output end of a remote control module is electrically connected with each of the input ends of an information storage device and a fuse. According to the intelligent air-to-water making device disclosed by the invention, a sterilization effect on water is achieved by the ultraviolet sterilization device, water filtration is realized by the filtering device, nutrition of water made in the air-to-water making device is improved, the drinking effect and drinking function are guaranteed, and the practicability of the air-to-water making device is improved.

The invention discloses a keyword-based timestamp positioning and searching method in audio and video. The method comprises the following steps: S1, preparing audio and video; S2, performing characterrecognition on audio parts in the audio and the video through a third-party voice recognition technology to generate an LRC file which comprises a character timestamp; S3, carrying out word segmentation processing on the characters of the LRC file content and storing the characters into an ElasticSearch search engine; and S4, searching the keyword inputted by the user and returning a timestamp when the keyword appears. The keywords of the character parts in the audio and video files are marked, and the user can quickly find the positions of the keywords appearing in the audio and video filesaccording to the timestamps in a timestamp marking manner so that the method is convenient and efficient to use.

The invention relates to the technical field of machinery and particularly relates to a ship hook. The ship hook comprises a telescopic mechanism which comprises left and right telescopic rods arranged symmetrically, a parallel four-bar mechanism which is arranged between the left telescopic rod and the right telescopic rod, and a deformation rod mechanism which comprises a first deformation rod assembly arranged at the lower end of the left telescopic rod and a second deformation rod assembly arranged at the lower end of the right telescopic rod. When the left telescopic rod and the right telescopic rod stretches out and draws back, the left telescopic rod and the right telescopic rod drive the parallel four-bar mechanism to open or fold so that the distance between the left telescopic rod and the right telescopic rod is changed and simultaneously drives the first and second deformation rod assemblies to open or fold. The ship hook solves the problem that the ship hook can realize lifting and conveying of different objects in multiple ways.

The invention discloses a printing machine for biodegradable film. The printing machine comprises a printing machine main shell and a winding shaft to be printed; a film winding driving motor is arranged inside the printing machine main shell, a central control processing device is fixedly installed on the right side of the film winding driving motor, a printing control processing device is arranged on the upper portion of a printing fixing plate, a hydraulic device is arranged in the circle center of the printing fixing plate, a printing head is arranged below the hydraulic device through a hydraulic rod, a printing sensing device is arranged at the bottom of the printing fixing plate, an alarming device is arranged on the upper portion of a printing device outer shell, and the winding shaft to be printed is installed at the bottom of a groove. According to the printing machine for the biodegradable film, the printing precision and the printing quality are improved, emergency stop is achieved when the printing machine is abnormal, and an alarm is given out, so that an operator handles equipment in time, the phenomenon of defective printing is reduced, and the printing speed is increased.

The invention relates to a device for detecting characteristics of a phase retarder with light source polarization and dynamic feedback and a method thereof, and the device comprises a light source, a polarizer, an analyzer, a first turntable and a second turntable, all which are coaxially arranged, the to-be-detected device and the analyzer are respectively fixed in the hollow structures of the first and second turntables, through a polarization-maintaining light divider, incident lights are divided into reflected lights and transmission lights all which are the same as the incident lights in polarization, the rear end of the reflected light signal from the polarization-maintaining light divider is provided with a second photoelectric detector, the transmission light signal of the polarization-maintaining light divider is received by a first photoelectric detector on the rear end of the analyzer, a first motor and a second motor are respectively connected with the first turntable and the second turntable; a feedback control system is connected with the first photoelectric detector, the second photoelectric detector, the first motor and the second motor, the first photoelectric detector and the second photoelectric detector are connected with the feedback control system, detected light signals are converted into electrical signals which are transmitted to the feedback control system, according to the input electrical signals, phase delay parameters and relevant polarization loss parameters of the to-be-detected device are calculated by the feedback control system to search for the fast axis of the device; the device is convenient and efficient in use.

The invention discloses a novel tea leaf drying machine. The novel tea leaf drying machine comprises an air blower and a box body, wherein material inlets are arranged at the upper end of the box body; a drying box is arranged under the material inlets; a temperature sensor and a moisture sensor are arranged inside the drying box; a material outlet is arranged at the right end of the drying box; the air blower is installed on the inner left side of the box body via a support rack; a microcomputer is arranged in the front of the outer surface wall of the box body; a driving wheel and a driven wheel are arranged at the bottom of the drying box; the driving wheel and the driven wheel are connected by a conveyor belt; and an electric motor is arranged under the conveyor belt. The novel tea leaf drying machine disclosed by the invention has a scientific and rational structure, so that the novel tea leaf drying machine is convenient, highly effective and stable to use; moreover, the novel tea leaf drying machine is sealed, so that the novel tea leaf drying machine is not liable to be dusted. Thus, the novel tea leaf drying machine is convenient to use and capable of controlling dryness and wetness degrees of the tea leaves very well.

The present invention discloses a tea leaf drum enzyme deactivating machine, which comprises a temperature sensing device, an enzyme deactivating drum, a central control treatment device, a drum frame, a motor device, a material inlet supporting plate and electric heating devices, wherein the motor device is fixed above a motor supporting frame through a bolt, the central control treatment device is arranged inside an operation box, an enzyme deactivating machine shell is fixedly arranged above a drum top frame, the temperature sensing device is fixedly arranged on the left inner surface wall of a thermal insulation plate, the enzyme deactivating drum is arranged above drum supporting wheels, the electric heating devices are arranged on the right inner surface wall of the thermal insulation plate, and the material inlet supporting plate is fixedly welded on a material inlet supporting plate rotation shaft. According to the present invention, the tea leaf drum enzyme deactivating machine has the scientific and reasonable structure, ensures the tea drinking taste and the tea quality, improves the production efficiency, ensures the efficient tea leaf production, avoids the staff from pinching during working, and ensures the safety of the staff.

The invention discloses an LED lamp with a dedusting function. The LED lamp comprises two supporting pillars and a fixed iron piece, wherein a fixed plate is mounted on one side of the supporting pillars; an exhaust fan is mounted at the bottom end of the fixed plate; a dust collection box is arranged at the bottom end of the exhaust fan; buffer springs are connected between the dust collection box and the supporting pillar; an activated carbon filter screen, an intermediate dust filter screen and a primary dust filter screen are mounted in the dust collection box; a pipe connector is mountedat the bottom end of the dust collection box; a fixed seat is mounted on the supporting pillar of the end close to the fixed plate; a fixed rod is arranged on the fixed seat; and a transparent diffusion piece is fixed to one end of the fixed rod. According to the LED lamp, a dust gas generated during illumination of the lamp is sucked into the dust collection box through the exhaust fan, dust is subjected to adsorption filter treatment through the activated carbon filter screen, the intermediate dust filter screen and the primary dust filter screen in the dust collection box, and the lamp is clean and sanitary.

The invention discloses a fixing structure for computer main board conveying belt transmission. A supporting frame is included. A conveying belt is arranged on the surface of the supporting frame. Side plates are arranged at the two ends of the conveying belt. Tight pressing devices are evenly arranged on the inner sides of the side plates. A plastic pressing plate is fixed to one ends of every two tight pressing devices. Each tight pressing device is composed of a fixing barrel, a positioning circular hole base and a push rod, wherein a spiral spring is arranged in the fixing barrel, one endof the spiral spring is fixed to one end of the push rod, the other end of the push rod penetrates through the positioning circular hole base, and the other end of the push rod is fixed to the plasticpressing plate. According to the fixing structure, the tight pressing devices push the plastic pressing plates to move forwards, a computer main board can be tightly pressed and fixed, and stabilityin the transportation process is guaranteed; and the other ends of the push rods penetrate through the positioning circular hole bases, the phenomenon of deflection of the push rods is avoided, and moving of the plastic pressing plates is more accurate.

The invention relates to a novel lumbar puncture needle capable of realizing semi-automatic needle insertion, belongs to the technical field of medical instruments, solves the problems of needle head displacement and too deep needle insertion caused by manual needle pushing in the existing lumbar puncture, and enables the needle insertion process to be more accurate and stable. The novel lumbar puncture needle structurally comprises a needle head, an electromagnetic three-way valve, an optical fiber sensor, a pressure sensor, a sensor shell, a stepping motor, a needle inserting track and a puncture needle shell, wherein the needle head is connected with the electromagnetic three-way valve. After cerebrospinal fluid flows in, three functional states are realized along with reversing of a valve core; the optical fiber sensor can be used for directly measuring the pressure of the cerebrospinal fluid; the stepping motor drives the needle head to slowly advance along a needle inserting track at a constant speed, so that needle inserting errors caused by manual needle pushing are avoided; and the pressure sensor measures the needle insertion resistance and provides a judgment basis for the needle insertion depth. Through semi-automatic reversing of the electromagnetic three-way valve, measurement of the pressure of the cerebrospinal fluid by the optical fiber sensor, constant-speed slow needle insertion driven by the stepping motor, and real-time reflection of needle insertion resistance by the pressure sensor, accurate and efficient lumbar puncture operation is realized.

The invention discloses an aluminum substrate LED lamp, which comprises a lamp holder, an aluminum substrate and a mounting plate. The aluminum substrate is embedded in the lower surface of the lamp holder; LED lamp beads which are uniformly distributed are arranged at the bottom of the aluminum substrate; the top of the aluminum substrate is provided with cooling fins penetrating out of the lampholder; a light-transmitting lampshade arranged on the outer side of the aluminum substrate in a sleeving mode is arranged at the bottom of the lamp holder; heat dissipation holes penetrating throughthe light-transmitting lampshade are formed in the outer wall of the light-transmitting lampshade; micro heat dissipation fans are arranged on the two sides of the top of the lamp holder; the bottom ends of the micro heat dissipation fans communicate with heat dissipation pipelines extending to the inner side of the light-transmitting lampshade; a driving air cylinder is fixed to the bottom of themounting plate; and the bottom end of the driving air cylinder is connected with the lamp holder through an air cylinder piston rod. According to the LED lamp, heat generated during operation of theLED lamp can be rapidly dissipated, so that the situation that the light of the LED lamp fails due to heat is effectively avoided, the service life of the LED lamp is prolonged; and the LED lamp is convenient to install and adjust and flexible and convenient to operate.

The invention discloses a blackboard eraser dust treatment device for mathematics. The blackboard eraser dust treatment device for the mathematics comprises a dust collection box and a locking bolt, wherein a movable seat is fixed to one end of the dust collection box, a fixed rod is inserted into the movable seat, fixed buckles are installed on the fixed rod and the inner wall of the dust collection box, a stainless steel spiral spring is arranged between the two fixed buckles, a feeding inlet and a fixed plate are arranged at the top end of the dust collection box, screw hole seats are installed on the side faces of the fixed plate, studs are installed on the screw hole seats, locking heads are installed at one ends of the studs, anti-skid protrusions are evenly distributed on the side surfaces of a plastic pressing plate, a dust discharging pipe is arranged at the center of the bottom end of the dust collection box, and a threaded sealing cover is arranged at one end of the dust discharging pipe. According to the blackboard eraser dust treatment device for the mathematics, a rubber handle is manually pressed to swing two flapping plates up and down, so that the flapping of the blackboard eraser is realized, the dust collection box collects the flapping dust, and the operation is very simple and convenient.

The invention discloses a rotary adjustment type spectrum analyzer. The spectrum analyzer comprises a fixing bottom plate and weldments, supporting plates are installed on the fixing bottom plate, studs are arranged in threaded bases, a sleeve is installed at one end of each stud, a fixing rod is installed at one end of each sleeve, a fastening base is installed at one end of each fixing rod, a locking bolt is arranged on the surface of each fastening base, a U-shaped fixing frame is installed at one end of each rotating shaft, powerful chucks are installed at one end of each U-shaped fixing frame, four powerful chucks are arranged in total, two powerful chucks form one group, a spectrum analyzer body is arranged between the two groups of powerful chucks, foot bases are installed at the top ends of the supporting plates, and a dust cover is installed on the foot bases. According to the spectrum analyzer, two locking nuts are rotated by hand to make the studs move on the threaded bases, thus, the distance between the two U-shaped fixing frames can be controlled, spectrum analyzer bodies of different types and sizes can be clamped and fixed, and the application range is wider.

The invention provides a cold compress and hot compress automatic nursing appliance capable of cooperating with a traditional Chinese medicine for treatment. The cold compress and hot compress automatic nursing appliance capable of cooperating with the traditional Chinese medicine for treatment comprises a shell, a refrigeration device, a heating device, a mixed air cavity, a physiotherapy cavity,a massage device, a first pipeline, a second pipeline and a control system. The refrigeration device and the heating device are arranged in the shell and are separately connected with the mixed air cavity through the first pipeline and the second pipeline. The mixed air cavity communicates with the physiotherapy cavity. A filter bag is arranged in the mixed air cavity. A semiconductor refrigeration sheet is arranged in the refrigeration device, the semiconductor refrigeration sheet works through the Peltier effect, and a medicine adding box and an evaporation cavity are formed in the heatingdevice. A top cover is arranged at the top of the medicine adding box, a sliding cover is arranged on the side of the medicine adding box, and a water supply pipe is connected with the medicine addingbox. A heating wire is arranged in the evaporation cavity. The medicine adding box communicates with the evaporation cavity. The massage device is arranged in the physiotherapy cavity, and the control system is established based on a single chip microcomputer. The cold compress and hot compress automatic nursing appliance capable of cooperating with the traditional Chinese medicine for treatmentcan be used for hot compress and cold compress at the same time with the traditional Chinese medicine for treatment, and the automation degree is high, and the use is simple and effective.

A sample holder holds various sizes of capillaries or cuvettes for use in dynamic light scattering (DLS) or quasi-elastic light scattering (QELS), such as in DLS of fluid samples such as platelet solutions, whole blood, colloids or the like. The sample holder has a base with a stationary backing member and a sliding, rail-mounted clamping member that is magnetically biased toward the backing member. The sample holder has Peltier-type thermoelectric heating / cooling elements that extend the full height of the clamping and backing members to optimize heat transfer efficiency. The sample holder further includes horizontal slots that enable collection of scattered light from various angles around the device. Finned heat sinks are mounted above and below the horizontal slots on the outwardly facing surfaces of the backing and clamping members to stabilize the temperature of the fluid sample in the sample holder without interfering with incident or scattered light.

The invention discloses an automatically indexable gantry right-angle milling head. A gantry machining center comprises a first pull claw, a second pull claw, a connecting part and an upper fluted disc, wherein the connecting part is provided with a clamping groove. The gantry right-angle milling head comprises a middle shaft shell, a spindle taper shank, a positioning block, a lower fluted disc,a positioning key and a rotary oil cylinder body which are arranged in the middle shaft shell, an anti-falling component which is arranged in the middle shaft shell and clamped with the clamping groove, a milling cutter shell and a milling cutter which is rotatably arranged in the milling cutter shell, wherein the lower fluted disc and the upper fluted disc can be arranged in a meshed mode; the spindle taper shank penetrates through the positioning block and is fixedly connected to the positioning block; the positioning block is provided with a positioning groove matched with the positioning key; and the positioning key and the milling cutter shell are fixedly connected to the rotary oil cylinder body. According to the scheme, the angle of the milling cutter can be automatically adjusted,and the use is more efficient and convenient.