55results about How to "Easy to sample and analyze" patented technology

A bionic cell bioreactor for screening medicines is composed of square bottle for reproducing cells, culture liquid bottle, buffer bottle, waste liquid bottle, sampling valve, computer, creep pump, electronic valve and connection pipeline. It can periodically exchange the nutritive liquid in square bottle, continuously apply medicine, culturing cells by high density, easily sample and analyze, and simulate the blood flow in blood vessel and creep of intestine.

The invention belongs to the remediation filed of the polluted soil and in particular relates to an in-situ chemical remediation method of soil. The method comprises the following steps: (1) arranging an injection device; (2) injecting drug solution; (3) monitoring and adjusting; (4) repeating the above steps till the remediation of the soil is finished, wherein the injection device is arranged by using a board inserting machine; the injection device comprises an inner core and a permeation layer which coats the periphery of the inner core; the external surface of the inner core is provided with axial grooves and/or convex ribs; the permeation direction of the permeation layer is from inside to outside. Through the in-situ chemical remediation method of soil, the good injection effect can be guaranteed, the structure of the injection device is simplified, the construction speed of the arrangement of the injection device is improved, and the construction cost is lowered.

The invention discloses an inertia fiber filter membrane device for grading particles. The inertia fiber filter membrane device comprises a shell and a sampling passage arranged in the shell. An air inlet and an air outlet are formed on the shell along both ends of the sampling passage; and two stages or more than two stages of collision collecting groups are sequentially arranged in the sampling passage along the airflow direction, wherein each of the collision collecting groups comprises a barrier plate; the centre of the barrier plate is provided with diversion holes in which fiber filter membranes are filled; the fiber filter membrane comprises a plurality of metal fibers wound with one another; and the sizes of the diversion holes sequentially formed on the collision collecting groups along the airflow direction as well as the diameters of the metal fibers of the fiber filter membrane filled in the diversion holes are reduced in sequence. Therefore, when airflow passes through the fiber filter membrane, fine particles collide with the metal fibers under the action of inertia to achieve the effects of filtration and collection. The device is simple in structure and convenient to assemble and disassemble, and can collect smaller particles; and moreover, particle size is accurate and a collection effect is stable due to the adoption of grading collection.

The invention provides a high-temperature sodium heat-convection test loop comprising a main loop system, a sodium storage tank, a sodium feeding and discharging system, a covering air purifying and vacuum system, a sampling tank and a temperature control system, wherein a sodium sampling port is additionally arranged between the bottom of a high-temperature test section and a sodium feeding valve, an empty pipe with a sodium steam heat blocking valve is additionally connected between a sealing cover plate at the bottom of the sampling tank and the high-temperature test section, a cooling pipeline is wound on the outer wall of the empty pipe, an opening at the top of the sampling tank is additionally provided with a sample converter, and a vacuum gate valve is installed between the sampleconverter and the opening at the top of the sampling tank. The high-temperature sodium heat-convection test loop can discharge sodium with higher impurity content in the loop, be filled with new sodium with higher purity, can keep the air tightness of the loop, ensure the full aperture smoothness of the operation channel of an air-phase test space and simultaneously carry out the corrosion tests of the sodium and sodium steam; and the sampling tank can accomplish the sampling and discharging operation of a sample under the protective atmosphere of argon to be free of air pollution all the time.

The invention discloses a magnetic trap for capturing magnetic impurities in a high-temperature liquid metal coolant. The magnetic trap is characterized in that a no-magnetic-conductivity stainless steel box body with flange connection openings formed in the two ends is connected in series to a circulation loop of the high-temperature liquid metal coolant through the flange connection openings; ferromagnetic column bodies are arranged on one side or two symmetric sides of the no-magnetic-conductivity stainless steel box body; the axis of each ferromagnetic column body is perpendicular to a side plate of the no-magnetic-conductivity stainless steel box, so that the ferromagnetic column bodies can be perpendicular to the flowing direction of the high-temperature liquid metal coolant in the no-magnetic-conductivity stainless steel box; a magnetic field source system is arranged on the outer sides of the ferromagnetic column bodies and forms a magnetic impurity separation space with set magnetic field intensity and a set magnetic field gradient in the no-magnetic-conductivity stainless steel box body through the ferromagnetic column bodies. The magnetic trap is used for realizing on-line continuous capturing of iron-based impurities in the liquid metal coolant and can effectively purify the high-temperature liquid metal coolant.

The invention relates to a municipal sludge destructive distillation carbonation test system and belongs to the technical field environment engineering. The test system comprises a destructive distillation reaction device, a gas-liquid collecting device, a gas treatment device and a control device. The municipal sludge destructive distillation carbonation test system has the advantages that a vacuum pump and one-way valve used by the destructive distillation reaction device vacuumize a reaction kettle before the destructive distillation of sludge, the risk of explosion is avoided, and system safety is guaranteed; each of the reaction kettle and a reaction kettle cover adopts a sandwich structure, a thermal-insulation layer is arranged in each sandwich layer, the temperature in the reaction kettle is guaranteed, and heat loss is lowered; a condenser and a cooling-water machine effectively guarantee the condensation separation effect of destructive distillation products; a gas burner guarantees that tail gas can meet standards; the destructive distillation products can be sampled and analyzed at any time, the temperature of each link can be monitored in real time, and destructive distillation parameters can be optimized conveniently; system parameters can be set on the control device, the control device treats data, and system efficiency is increased greatly.

Disclosed herein are microplate covers that seal microplates and the wells within microplates to retain or control desired environmental conditions within the test environment, such as moisture level, oxygen content, etc. In some embodiments, the visibility and light transmission, refractive, and reflective properties through and from the tray covers can be controlled to facilitate sensing of tray contents via optical or other means.

The invention provides a nondestructive sampling method for a rock sample, and relates to the technical field of petroleum geology. The nondestructive sampling method for the rock sample is used for determining a sampling layer on a whole-diameter core and testing and analyzing a selected core sample. The nondestructive sampling method for the rock sample comprises the steps of recognizing and recording a high-oil-content layer on a whole-diameter core, recognizing and recording a target lithologic member on the high-oil-content layer, and determining a sampling layer according to a sampling requirement. By the nondestructive sampling method for the rock sample, mineral components can be recognized rapidly and nondestructively, an oily core is selected out, errors are low, the efficiency is high, and the integrity of the rock sample is protected.

The invention provides an intelligent surveying device for surveying depth of mine mineral aggregate, and relates to the technical field of surveying devices. The intelligent surveying device comprises a drill bit, an eccentric disc is arranged in the drill bit, a transverse plate is slidably connected to the top of the eccentric disc, the top of the transverse plate is fixedly connected with a connecting spring, and a supporting wheel is welded to the top of the transverse plate. According to the invention, in the surveying process, when a hard object is encountered, a sliding plate can touch an induction contact at the moment, the drilling direction can be changed at the moment, and therefore the effects that the drilling direction can be conveniently changed, and the service life of the surveying device is prolonged are achieved. When the drill bit drills to a proper position, the eccentric disc eccentrically rotates, and at the moment, the conical block drives the driving inclined block to move leftwards, so that the exploration head extends out of the outer side of the drill bit through the detection opening for sampling, and the effects that deep soil can be conveniently sampled and analyzed, and exploration personnel can conveniently analyze mineral aggregates are achieved.

The invention relates to an indium tin oxide (ITO) glass based microbial fuel cell capable of real-time sampling and a fabrication method of the microbial fuel cell. The microbial fuel cell comprises a cathode chamber and an anode chamber, wherein the cathode chamber is loaded with a cathode liquid, the anode chamber is loaded with an anode liquid, a salt bridge is connected between the cathode chamber and the anode chamber, the bottoms of the cathode chamber and the anode chamber are respectively fixed at the two edges of the upper surface of a substrate, the substrate is a glass plate with insulation glass at the middle and ITO conductive glass at the two edges, an ITO conductive layer at one edge of the substrate is provided with a cathode plate at the bottom of the cathode chamber, an ITO conductive layer at one edge of the substrate is provided with an anode plate at the bottom of the anode chamber, the cathode plate and the anode plate are connected in series with a resistor through a guide, and the two ends of the resistor are connected in parallel with voltmeters. The microbial fuel cell disclosed by the invention has the advantages of novel design, simplicity in structure and low fabrication cost, and is easy to fabricate, the structure is very firm and durable and is easy to clean, the formation and the morphological change of bacterial colony can be conveniently observed, and the sampling is facilitated.

The invention discloses a method for united typing detection of a porcine contagious pleuropneumonia antibody. The method comprises the following steps: firstly preparing actinobacillus pleuropneumoniae polysaccharide antigen and rabbit anti-actinobacillus pleuropneumonia hyper-immune serum, and then purifying; coupling a liquid-phase chip microballoon by utilizing the purified rabbit anti-actinobacillus pleuropneumoniae hyper-immune serum, building a method for typing detection of the liquid-phase chip of the porcine pleuropneumonia antibody according to a double-sandwich ELISA principle, and determining the optimum experimental condition; and finally determining the threshold for positive and negative judgment of the liquid-phase chip through statistical analysis. In addition, the invention also discloses a kit for united typing detection of the liquid-phase chip of the porcine contagious pleuropneumoniae antibody. The invention can simultaneously carry out typing detection of the S1-S7-type serum antibody of porcine contagious pleuropneumonia, and the whole reaction can be completed within 3 hours; and the method has the characteristics of rapidly, sensitively, specifically andsimultaneously detecting a plurality of serum types, thus the method can be used for preliminarily screening entry and exit boars and diagnosing and monitoring porcine contagious pleuropneumoniae in hogpens of China.

The invention discloses a manufacturing method for nanoscale zero-valent iron, and particularly discloses a specific structure of a synthesizing and washing integrated device and a specific synthesizing process of the nanoscale zero-valent iron. The manufacturing process is finished through the synthesizing and washing integrated device. By the adoption of the method, nitrogen can be effectively and continuously led in so as to exhaust oxygen in a reaction chamber, the synthesized zero-valent iron can be simply and conveniently washed under the protective effect of the nitrogen and conveniently filtered out the synthesized zero-valent iron through a filter membrane, sampling analysis is facilitated, the reduction or loss of the activity of the zero-valent iron due to oxidization can be effectively avoided, and the synthesized zero-valent iron can be more conveniently taken and used.

The invention relates to the technical field of sampling equipment, in particular to a gravity vibration composite deep sea sampler with an anti-disturbance structure, which comprises a deep sea sampler body. The deep sea sampler body comprises a sampler putting frame, and a damping mechanism is fixedly mounted at the top end of the sampler putting frame. Anti-disturbance mechanisms are fixedly mounted on the two sides of the sampler putting frame, each anti-disturbance mechanism comprises two vertical plates, and sliding grooves are formed in the front faces of the vertical plates. By arranging a ground auger, a first supporting rod, a rotating rod, the vertical plates, the sliding grooves, sliding blocks and limiting rods, the position of the sampler putting frame on the seabed can be fixed, sampling by a sediment sampling mechanism and a deep water sampling mechanism is facilitated, the situation that due to the fact that the sampler putting frame is subjected to large pressure intensity on the seabed, operation is unstable is prevented, and collected samples are prevented from being disturbed.

The invention discloses a pure steam generator. The pure steam generator comprises a sampler, a preheater, an evaporator and an air storage tank, wherein the input end of the sampler is connected witha water inlet pipe; the water inlet pipe is connected with a delivery pump and a purified water pressure control regulating valve; a water outlet of the sampler is connected with a water inlet of thepreheater through a diaphragm valve; a one-way valve is connected beside a pipeline between the sampler and the diaphragm valve; a water outlet of the preheater is connected with a water inlet of theevaporator; the preheater is connected with a preheater pressure gauge; the bottom of the evaporator is connected with a concentrated water discharge valve; a steam inlet of the evaporator is connected with a steam inlet pipe; the steam inlet pipe is connected with a steam pressure control regulating valve and a steam safety valve; a steam outlet of the evaporator is connected with a steam inletof the air storage tank; the air storage tank is connected with an air storage tank safety valve, a qualified steam discharge valve and an unqualified steam discharge valve; and the bottom of the airstorage tank is connected with a blow-down valve. The pure steam generator is high in heat efficiency and safe.

The emesis promoting device is characterized in that a pillow plate is used for placing the head of a patient, one end of the pillow plate is provided with a stimulation and emesis inducing assembly used for promoting emesis of the patient, one side of the stimulation and emesis inducing assembly is provided with a bearing assembly used for passing and collecting vomitus, and the upper end of the pillow plate is fixedly provided with a positioning assembly used for fixing the head of the patient; according to the device, through the application of the stimulation and emesis inducing assembly, the tongue root and the tonsil of a patient can be stimulated in an equipment mode, the patient is induced to vomit, the emesis inducing treatment effect is guaranteed, the labor amount of nursing personnel is reduced, the nursing personnel can be prevented from being polluted, and through the application of the bearing assembly, the treatment efficiency is improved. The vomitus of a patient can be effectively stored and prevented from polluting the ward environment, the position of the head of the patient can be fixed through the application of the positioning assembly, namely, the head is kept to turn to one side all the time, emesis can be facilitated, and suffocation caused by the fact that the vomitus blocks the trachea due to the fact that the patient turns to the supine position by himself is avoided.

The invention provides a sealing device, a sealing method and a sampling method for in-car air quality detection of a body-in-white. The sealing device comprises aluminum foil (1) used for covering holes, grooves, a front windshield opening, a rear windshield opening and/or car door openings of the body-in-white, and magnets (2) used for tightly attracting the aluminum foil (1) to the body-in-white. Compared with methods such as edge sealing with adhesive tape, the sealing device for in-car air quality detection of the body-in-white does not affect the air quality in the body-in-white, does not leave adhesive marks on the body-in-white, can guarantee the sealing performance of the body-in-white, and facilitates sampling analysis of the air in the body-in-white.

The invention provides an inhalable particulate matter PM10 underway monitor. Theinhalable particulate matter PM10 underway monitor comprises a bottom plate, a sliding block is fixedly connected to the upper end of the bottom plate, and a rotating mechanism is arranged in the center of the interior of a control device. When the inhalable particulate matter PM10 underway monitor is installed, the inhalable particulate matter PM10 underway monitor can be connected with the bottom plate, then a movable block is turned down through a locking mechanism, a pressing block is pushed into a clamping groove through rotation of a screw rod, and fixing and limiting of the outer side of the inhalable particulate matter PM10 underway monitor are achieved; meanwhile, a structure capable of rotating is additionally arranged in the inhalable particulate matter PM10 underway monitor, a monitored part can be driven to rotate, external air can be better sampled and analyzed conveniently, a buzzer is additionally arranged on the outer side of the inhalable particulate matter PM10 underway monitor, better monitoring is facilitated, and meanwhile, the content of PM10 in the air can be rapidly and effectively monitored through the monitoring device, and more accurate data can be obtained.

The invention relates to the technical field of fermentation methanogenesis and in particular to a device for two-phase anaerobic fermentation methanogenesis from yellow corn silage straw. The devicecomprises an acid generation tank, a pre-mixing cabin and a methanogenesis tank, wherein the lower end of the acid generation tank is connected with the upper end of the pre-mixing cabin; the lower end of the pre-mixing cabin is connected with the upper end of the methanogenesis tank; water bath jackets are arranged on the outer layers of both the acid generation tank and the methanogenesis tank;the pre-mixing cabin is a spherical cabin; and an alkali liquid addition valve, an acid liquid addition valve, a water addition valve, an inoculum addition hole, a pH value meter and a discharge holeare arranged on the pre-mixing cabin. By adopting the device, dynamic research on acetic acid generation process and methanogenesis process can be carried out, temperatures of the acid generation tankand the methanogenesis tank can be controlled, the fermentation efficiency can be affected by microorganism colonies under dynamic temperature variations, not only is fermentation process studied with fixed parameters, but also amounts of different reagents added can be dynamically controlled, and fermentation can be affected by dynamic parameter variations.

The invention discloses a multi-depth sampling water quality detection device. The multi-depth sampling water quality detection device comprises a main body; a cavity is formed in the middle part of the main body; a bracket is arranged on the inner side of the cavity; a water quality detection device is arranged on the lower side of the bracket; an upper flow guide cover and a lower flow guide cover are arranged in the middle of the top and the bottom of the main body respectively; a plurality of electric telescopic rods are arranged on an outer ring of the top of the main body; a test tube isarranged on the end part of a piston rod of each electric telescopic rod through a test tube bracket; and an upper metal net rack and a lower metal net rack are arranged on the upper side and the lower side of the main body respectively. The multi-depth sampling water quality detection device has the advantage of reasonable structural design, can completely detect the water quality of a water body and perform different-depth sampling, can reduce labor cost, and is convenient, rapid and clever to use and suitable for being widely popularized.

The invention relates to the field of crop cultivation technology, in particular to a water planting device for paddy rice. A water planting device for paddy rice comprises: a movable incubator (1); anursery tray (2) placed in the incubator (1); a planting basket (3) placed on the nursery tray (2); and a carrier (4) for holding the nursery tray (2). According to the water planting device for paddy rice, the nursery tray can be lifted by a handle and placed on the carrier, thus facilitating laboratory personnel to carry out sampling research; a nutrient solution and water can be automaticallydelivered into the incubator. During liquid changing, the nutrient solution in the incubator is extracted into a recovery box and then is purified to enter a nutrient solution box; and the nutrient solution which has been re-matched after being tested is re-injected into the incubator to realize the recycling of the water planting solution.

A solidified sludge percolate collection and testing device is provided. The device includes a percolating system containing a test piece, a monitoring system connected to the percolating system through a liquid discharging pipeline and used for monitoring percolation of the test piece, and a pressure system connected to the percolating system and used for allowing the percolate to percolate through the test piece. The pressure system includes a nitrogen cylinder and a water tank containing deionized water. The nitrogen cylinder is connected to the upper end of the water tank through a gas feeding pipeline to allow nitrogen to be fed into the water tank from the upper end of the water tank. The lower end of the water tank is connected to the percolating system through a water feeding pipeline so that the deionized water from the lower end of the water tank enters the percolating system through the water feeding pipeline. A beneficial effect is that the device can simulate heavy metal releasing, migration and transformation processes in solidified sludge under long-term seepage effects.