1725results about How to "Short detection cycle" patented technology

The invention relates to the technical field of medical inspection equipment, and specifically discloses a full-automatic immediate check meter. The full-automatic immediate check meter comprises a shell, a frame body, a sample frame, a sample input device, a shaking device, a detecting clamping storage place, a sample reaction device, a detecting clamping transporter, a detecting device and a control panel, wherein the sample input device, the shaking device, the detecting clamping storage place, the sample reaction device, the detecting clamping transporter and the detecting device are all arranged on the frame body; the sample frame is arranged in the sample input device and is provided with a sample test tube, and the shaking device is arranged on the rear of the sample input device; the sample reaction device, the detecting clamping transporter and the detecting device are arranged on the rear of the shaking device. The full-automatic immediate check meter provided by the invention has the advantages that the structure is simple, the integration and automation degrees are high, and the non-stop loading is supported.

A lithium battery self-discharge screening method includes the steps that lithium batteries are charged in advance, the total capacity C1 of the batteries is recorded, constant-temperature aging is carried out on the batteries, the aged batteries are discharged through constant current under the environment with normal temperature, the batteries are charged through the same constant current, the capacity C2 obtained after constant current discharging is carried out and the capacity C3 obtained after charging are recorded respectively, C1 minus C2 is the capacity difference delta1, and then K1 is calculated by dividing delta1 by T1; batteries of which K1 is within the qualified range are directly transferred to the next process; constant-temperature aging is carried out on the batteries which are transferred normally; the aged batteries are discharged through the constant current under the normal temperature and normal voltage, and the capacity C4 obtained after discharging is finished is recorded; C4 minus C3 is delta2, K2 is calculated by dividing delta2 by T2, and batteries of which K2 is within the qualified process range are batteries small in self discharge. Through changes of battery capacities within a certain period, lithium batteries high in self discharge are effectively selected out through two times of screening, the method is simple and easy to implement, and production and operation are convenient.

The invention discloses milk quality detection equipment and a milk quality detection method. The milk quality detection method comprises the following steps: firstly, selecting three types of carrier gases for detecting volatile gases produced by n types of milk samples so as to obtain n w1s related to the milk content of milk powder; secondly, constituting points (w1, E) from the w1s and the milk content E of the milk powder related to the w1s; thirdly, according to the n points (w1, E), fitting a detection model, and computing the fitting precision R; fourthly, selecting a milk quality predetection model; and finally, computing the milk powder content E of the milk K by a computer according to the milk quality predetection model, and computing the milk powder content. The milk quality detection equipment and the milk quality detection method have the characteristics of capability of quickly detecting the milk powder contents in the milk samples, and relatively high detection accuracy and higher reliability.

The invention relates to a detecting method for multiple kinds of poly brominated diphenyl ethers in an aquatic product. The detecting method comprises the steps of carrying out extracting, degreasing, silicagel column purifying and concentrating on an aquatic product sample, and analyzing and detecting the aquatic product sample through gas chromatography-negative chemical ionization mass spectrometry. By adopting the treatment measures and proper technique parameters, the method is capable of simply, quickly and accurately measuring the contents of as much as 11 kinds of poly brominated diphenyl ethers in the aquatic product at the same time, and the method has the advantages of high detecting sensitivity, good stability, accurate result, and the like, thereby providing a reliable and quick detecting method for qualitatively and quantitatively detecting the residual poly brominated diphenyl ethers in the aquatic product and monitoring food safety.

The invention discloses a product outer surface defect image acquisition device based on machine vision. The product outer surface defect image acquisition device comprises a product to be detected, a camera which is arranged corresponding to the product to be detected, and a lens which is arranged around the product to be detected. Compared with an existing system which utilizes five cameras to carry out image acquisition on five surfaces of a cell phone shell, the product outer surface defect image acquisition device only uses one camera and one station to simultaneously finish the defect image acquisition of five surfaces of the cell phone shell, so that the cost is saved greatly; the cell phone shell does not need to be pushed by an air cylinder to turn for a right angle so that continuous detection is convenient to realize; the product outer surface defect image acquisition device is simple in structure, simple and convenient to operate, small in data processing amount and short in detection period.

The invention discloses a bridge detecting robot based on negative-pressure absorption. The bridge detecting robot consists of an absorption control module, a motion control module, a disease detection module and a light outer shell, wherein the absorption control module comprises a sealing cavity, a negative-pressure generation device, an air-pressure sensor, a single-chip-microcomputer main control board, a wireless instruction transmission module, a wireless instruction transmission module and a remote control device; the motion control module comprises four moving wheels, four steering engine drivers, a single-chip-microcomputer main control board, a wireless instruction transmission module, a wireless instruction transmission module and a remote control device; the disease detection module comprises a camera unit and a ground image processing unit; and the light outer shell is fixed by wire binding belts which penetrate through the installing holes on the front edge and the rear edge of a supporting bottom plate, and the negative-pressure generation device, the air-pressure sensor, the single-chip-microcomputer main control board, the wireless instruction transmission modules, the wireless instruction transmission module and the four steering engine drivers are put into the outer shell. The bridge detecting robot disclosed by the invention has the advantages that the anti-wind capability is strong, the working efficiency is improved, the detection period is shortened and the safety risk is also greatly reduced.

The invention relates to a meat product freshness detection method based on a spectral imaging technology; the detection method includes the steps: acquiring a hyperspectral image of a meat product sample; detecting the content of a freshness component corresponding to the meat product sample; extracting a meat product sample-corresponding interest region in the hyperspectral image, and extracting spectral characteristics and image texture characteristics of the meat product sample; according to the content of the freshness component of the meat product sample and the spectral characteristics and the image texture characteristics of the meat product sample-corresponding interest region, building a prediction relational model of the content of the freshness component of the meat product sample; through an acquired hyperspectral image of a to-be-tested meat product, adopting the pre-built prediction relational model to invert to obtain the content of the freshness component of the to-be-tested meat product. The method can realize objective and quantitative detection of the freshness of the meat product, can simplify the detection process of the freshness of the meat product, shortens the detection period, and reduces the detection cost.

The invention relates to an architecture exterior-protected construction heat transfer rate on-site detection method which comprises: attaching heat flow meter and temperature sensor, connecting heat flow meter, temperature sensor and temperature heat flow automatic patrol testing equipment by transmission line, attaching automatic temperature-controller with the inner wall which has heat flow meter and temperature sensor, adjusting automatic temperature-controller, automatically reading storage measuring value, computing architecture exterior-protected construction heat transfer rate. It uses differential temperature measured by temperature sensor and electromotance E outputted by heat flow meter to reflect heat flow density. It uses formula to compute heat transfer rate K.

The invention discloses a method for quickly testing the appropriate granulation moisture content of an iron ore sinter mixture. The appropriate granulation moisture content refers to the moisture content required by the granulated mixture for obtaining optimal breathability. The moisture includes the moisture of the raw materials and the added water during mixing and granulation. The method comprises the following steps: 1) preparing a slurry mixture of which the humidity is 10 to 20 percent from iron ore, solvent, coke powder and sinter return ore; 2) rinsing and sieving the mixture by using saturated lime water as a medium, obtaining adhesive powder and shell grains and testing the content Xa of the adhesive powder; 3) testing the inner hole water-holding capacity of the shell grains by centrifugation; 4) testing the saturated water-holding capacity of the adhesive poser by using saturated water absorption process; and 5) calculating the appropriate moisture content required for the granulation of the mixture according to a formula. The method has the characteristics of simple operation and high accuracy. Based on an absolute error range from -0.3 to +0.3, the accuracy of the prediction of the appropriate moisture content reaches 93.3 percent according to the results of the tests of the moisture content of mixtures prepared by 30 material mixing schemes.

The invention discloses a network performance detection method and system of a blade server. Firstly, presetting a network flow model configuration parameter; initializing a network port of the blade server, and obtaining a network card address of the blade server and a detecting pressure end network card address; according to the network flow model configuration parameter, generating a pressure test data package; sending the pressure test data package to the detecting pressure end network card address by a physical network card of a blade, and simultaneously receiving a network data package sent by an opposite side; continuously sending the pressure test data package in the preset time until a network performance injection point occurs; and detecting a network performance parameter of the network card port of the blade server, and obtaining a network performance detecting result of the blade server. The network performance detection method and system can effectively detect network performance which cannot be tested by a traditional instrument, among internal network cards of the blade server (a virtual machine) and between the blade server and an external network.

The invention discloses a system and a method for detecting filter material counting efficiency based on monodispersed aerosol. The system comprises a monodispersed aerosol generator and a mixing box that are respectively set and communicated; the monodispersed aerosol generator is sequentially communicated with a first valve, an aerosol generating flowmeter, a first filter and a first high pressure air source; the mixing box is sequentially communicated with a second valve, a dilution flowmeter, a second filter and a second high pressure air source, and is also communicated with a third valve and a third filter in sequence; the side wall of the mixing box is fixedly connected with a hygrothermograph one end of which extends into the mixing box; the mixing box is respectively communicated with an inlet of a filter material clamp and a fourth valve; an outlet of the filter material clamp is respectively communicated with a fifth valve and a filtering flowmeter; the fourth valve and the fifth valve are respectively communicated with a particle counter; sub-micron liquid monodispersed aerosol passes through the filter material, number concentration of the aerosol is measured before and after passing through the filter material, so that the filtering efficiency of the filter material is obtained. The system of the invention has good stability, high precision and can satisfy the requirements of detecting the efficiency of the filter material.

The invention belongs to the environmental protection and water treatment technical field, and discloses a method for determining trace nitrogen-containing disinfection by-product dimethyl nitrosamine in water. The method comprises the following steps 1) acidifying and pretreating a sample; 2) acidifying, drying and filling a solid phase extraction material; 3) controlling a solid phase extraction process, eluting and purifying an eluate; 4) naturally volatilizing the sample and controlling with constant volume; 5) using a liquid chromatography-mass spectrometry for analyzing dimethyl nitrosamine to obtain the determination result. Compared with the current international test methods, the method of the invention has the characteristics of rapidity, simpleness, little application amount of the poisonous and harmful organic solvent, accurate analysis and the like.

The invention discloses a method for detecting life of a battery performing fast charging cycling. The method comprises: a battery performs complete charging under environment temperature of 25+ / -3 DEG; a regular capacity check discharging is performed on the battery which finishes full charging and discharging and then the battery is charged with big current for about 1 hour under constant voltage or then is charged with small current for 1 hour under relatively low constant voltage (or omit the second step); the battery is then in a stationery state for 10-15 minutes and then performs a next charge-discharge cycle; after 49 times of charge-discharge cycles, long time small current constant voltage full charging is performed on the battery; capacity check discharging is then continued in order to detect 2hr capacity of the battery under a normal charging state; 50 times of cycling is defined as a set; when one set of cycling is finished, the next set of cycling tests is performed until the service life of the battery is ended.