116results about How to "Increase the number of tests" patented technology

The embodiment of the invention discloses a channel detection method of an unauthorized frequency band and network cell equipment, which are used for reducing the detection collision and achieving coexistence in justice among LAA cells of different operators. The method provided by the embodiment of the invention comprises the following steps that the network cell equipment detects that whether the channel of the unauthorized frequency band is idle or not in the CCA detection time frame during target channel idle estimation, wherein the target CCA detection time frame is contained in a CCA detection time window which at least comprises N CCA detection time frames, and at least two different operators use the different CCA detection time frame in the N CCA detection time frames; when the detected channel is idle, the network cell equipment performs data transmission based on the idle channel.

The invention belongs to the technical field of semiconductor memory test and discloses a semiconductor memory aging test system and a method. The system comprises a test core board and a test board.The test core board generates a t signal and a power signal according to that instruction of the upper computer, and after the test signal and the power signal are adjusted, the test signal is provided to a DUT, and the DUT output signal is compared with a preset value to obtain a preliminary test result which is partitioned and stored, and is uploaded to the upper computer; the test board is usedfor carrying DUT, providing clock signal and chip selection signal for DUT. A single test board is provided with a plurality of t bits, and DUT aging test can be carried out by a single DUT or by multiple DUTs at the same time. By outputting various types of test signals on the test core board, and adjusting the delay time of the test signal, strengthening the processing of driving, waveform control, and compensating the power signal, and storing the test results in the partitioned storage area respectively, the functions of management of single DUT test process control and failure analysis in aging test are realized, and the same test number of DUT is increased, which reduces the test resource overhead.

The invention provides a targeted metabo lomics analysis method for determining metabolites of a living body. The targeted metabo lomics analysis method can simultaneously determine 700 main metabolites of a living body based on series connection of ultra-high performance liquid chromatography and triple quadrupole and comprises the following steps: firstly, 700 main metabolites in a living body are screened; standard products of compounds are optimized to obtain optimal parent ions, daughter ions and mass spectrography conditions of the metabolites; the metabolites in samples are extracted by methanol, acetonitrile and water; liquid chromatograph conditions are optimized; a hydrophilic interaction is adopted to separate the metabolites; the separated metabolites enters a mass spectrum; the 700 main metabolites are determined at the same time by use of a real-time scheduled multi-reaction monitoring mode with quick positive and negative polarity switching function; the metabolite differences between all the samples are analyzed via partial least square analysis; changes of the metabolic pathway are found by pathway enrichment analysis. The targeted metabo lomics analysis method remarkably increases the number of detected compounds, and greatly shortens the analysis time.

The invention discloses a rapid detection system for novel coronavirus Omicron mutant strain typing. Primer probes in the system are designed based on a bidirectional ARMS PCR technology, six mutation sites of a targeted Omicron mutant strain are detected, the detection accuracy of the Omicron mutant strain is improved to nearly 100%, and the lowest detection limit can be as low as 200 copies/mL. The kit has good sensitivity and specificity; and the whole process can be completed within 30 minutes, operation is easy, rapid and sensitive, the requirement for hardware is low, cost is low, and the kit can be prepared through the technology and used for wide popularization. The detection system is made into a freeze-dried state, so that the detection sensitivity is further improved. An effective technical means is provided for rapid detection and screening of the novel coronavirus Omicron mutant strain, and important significance is achieved.

The invention relates to a rapid detection method for the highway roadbed compaction quality. The method comprises the following steps that firstly, in construction fields of roadbeds different in soil texture, a to-be-detected roadbed soil area is selected, a test point is selected at random, the dynamic deformation modulus Evd value of the point is tested, and data are recorded; secondly, another test point is selected, the roadbed compaction degree is detected through a sand filling method, and data are recorded; thirdly, the first step and the second step are repeatedly conducted, and therelation of the dynamic deformation modulus Evd value and the roadbed compaction degree K of each soil texture is established; fourthly, field testing is conducted; fifthly, data collection is clickedfrom a data collection software main interface, a testing instrument starts to conduct testing and transmission, and a background part conducts calculation and conversion according to the Evd and K correlation of the soil texture corresponding to the roadbed, and the compaction degree K is obtained; and sixthly, a detection result is uploaded to a roadbed compaction quality background managementsystem through the network, and the data are checked. The rapid detection method is rapid and convenient to conduct, data are accurate and reliable, the rapid detection method is applicable to the construction site, and the quality information can be reflected in real time.

A novel test development method for improving a simultaneous test number comprises the following steps that firstly, test requirements are received; secondly, the test requirements are assessed and then pins of a chip can be conveniently grouped and classified according to the test requirements; thirdly, whether the grouped and classified pins can share a test passage is assessed, the second step is repeated when the grouped and classified pins can not share the test passage, and the fourth step is executed when the grouped and classified pins can share the test passage; fourthly, the simultaneous test number is confirmed; fifthly, a probe card is designed and manufactured; sixthly, a test program is developed; seventhly, the test program is debugged; eighthly, a wafer is tested. Under the condition that the resources of a test machine are not changed, by means of the test developed method, the simultaneous test number can be largely improved on the premise of guaranteeing the test quality, the total test time is shortened, and test efficiency is improved.

The invention relates to a memory IC testing and classifying device, comprising a feeding box which is arranged on a machine platform to support the memory IC to be tested; a receiving box which is arranged on the machine platform to support the tested memory IC; a testing device which is arranged on the machine platform, and provided with a plurality of testing sheath seats in parallel; a material moving device which is arranged on the machine platform, and provided with a jack jig and a plurality of taking and placing heads to transfer a plurality of memory ICs tested or to be tested among the feeding box, the testing device and the receiving box; a central processor which is used to control and integrate the movement of each device to execute automatic operation. Thereby, a plurality of memory ICs can be transferred and tested synchronously, the stand-by time is effectively shortened, the testing efficiency of the memory IC is largely improved, and the service efficiency and the use benefits of the efficiency are achieved and improved.

The invention provides a thermal ageing testing apparatus and a using method thereof. The thermal ageing testing apparatus comprises a testing box and a feeding device. A testing box is provided with a liquid crystal display and a camera; a heating device and a fan are arranged at the lower end of the two sides of the testing box; a plurality of groups of power clamp grooves are formed inside the testing box and air inlets are arranged at the inner wall of the testing box at the two sides of multiple groups of power clamp grooves; and an air outlet is formed in the top end of the testing box. The feeding device includes a feeding vehicle and a testing board; a fixed rack is installed on the feeding vehicle and a plurality of fixation positions are arranged on the fixed rack; power connectors are arranged at the rear end of the fixed rack; power ports are arranged at the fixation positions; and the power ports arranged at the rear end of the fixed rack are connected with the power connectors arranged on the fixation positions. The testing board is installed on fixation positions and is connected with the power connectors. A plurality of plugging slots are formed in the testing board. According to the invention, the design is reasonable and the operation is simple; the testing process can be realized rapidly; and the testing number is large and the transport speed is fast. Intelligent heating and cooling are carried out; and the time is saved. Real-time observation is carried out while element testing is carried out.

The invention discloses a real-time fluorescent quantitative PCR method for detecting the resistance of a diamondback moth to Bt insecticidal protein Cry1Ac based on an ABCC1 gene and a kit thereof. The kit comprises the sequences of the following target gene specific primers: the sequence of a forward primer is shown in SEQIDNO. 2 and the sequence of a reverse primer is shown in SEQIDNO. 3. Since the method disclosed by the invention has the advantages of less manpower and samples, large detection amount, high sensitivity and strong specificity and is fast, convenient, accurate and reliable, the level of the resistance of the diamondback moth to the Bt insecticidal protein Cry1Ac can be effectively detected, the method is applicable to the early rapid diagnosis of the resistance of the diamondback moth to the Bt insecticidal protein Cry1Ac and can be also used for real-time monitoring and early warning/forecasting of the resistance of the diamondback moth in the field to the Bt insecticidal protein Cry1Ac and thus the method has broad application prospects.

The invention discloses a multiplex PCR primer group and a kit for detecting HPV based on high-throughput sequencing. Existing methods are difficult to realize HPV high-throughput sample detection. When a large amount of samples need to be detected, a large amount of manpower is needed for operation. According to a method established by the invention, amplification and purification can be performed through a one-step method, a library is established through the one-step method, tube transform and cover opening are avoided in the midway, and confusion or cross contamination among samples is effectively avoided; library construction of 96 samples can be completed within 5 hours, operation is easy and convenient, and detection of a large number of samples can be easily achieved. By increasingthe number of sample tags in an index primer, the number of samples which can be detected through one-time sequencing can be increased, and the average manual operation time of a single sample is further shortened.

The embodiment of the invention provides a charging method and a terminal. By the charging method and the terminal, the problem of charging time delay of the terminal is solved. The method comprises the steps of acquiring a detection result of a type of a charging interface of a charging device, wherein the detection result is a result of a type of the charging interface detected for N times by employing a first detection signal, and the charging device is connected with the terminal; detecting the type of the charging interface by employing a second detection signal if the detection result isa first result, wherein the first result is used for indicating that the type of the charging interface detected for N times is a non-special charging interface DCP, the first detection signal is a detection signal generated by a power module of the terminal, and the second detection signal is a detection signal generated by a control module of the terminal; employing the first detection signal to detect the type of the charging interface again if the type of the charging interface detected by employing the second detection signal is the DCP; and employing a first power corresponding to the DCP to charge the terminal if the type of the charging interface detected by employing the first detection signal again is the DCP.

The invention provides a power grid line-tracking magnetic guidance method based on orthogonal three-position magnetic detection to solve the prominent problems that existing power grid line-tracking guidance efficiency and accuracy are low, and practical requirements cannot be met. The method includes the steps: firstly, building an orthogonal three-position magnetic detection structure, detecting the magnetic field intensity of each position and acquiring the magnetic line direction and the gradient of a magnetic field according to the magnetic field intensity of each position; building the motion equation of a detection aircraft relative to an inertial coordinate system, and building the power grid line-tracking magnetic guidance method of the aircraft according to the detected magnetic line direction and the detected magnetic field gradient. The method can be used for high-precision terminal guidance of power grid fault detection, and has huge application values for rapid repair of a faulted power grid.

The invention discloses a DRAM (dynamic random access memory) wafer-level pin connectivity test circuit and a method. The circuit structure comprises a calibration register, a delay unit, an OCD circuit, a receiving circuit, a data path and a storage array which are connected in sequence, input signals of a DQ pin and a DQS pin of a DRAM wafer level are transmitted into a chip through the receiving circuit, and output signals of the DQ pin and the DQS pin are driven through the OCD circuit. DM pin input signals of the DRAM wafer level are transmitted into the chip through the receiving circuit, and output signals of the DRAM wafer level control the level through the DM forced circuit. According to the invention, under the condition of not adding extra pin connection, the functions of all DQ data paths and DQS and DM pins are completely verified, the test comprehensiveness is improved, and the design difficulty and cost of the test pin card are not increased; for subsequent back-end testing, the bad chips are screened out in advance, the packaging cost is reduced, and the back-end testing yield is improved. And for KGD type products, the DPM is reduced, and the product quality is ensured.

The invention relates to a kit for screening IgA deficient patients, which consists of a reagent and a box body, wherein the reagent consists of a sample diluent, an antibody diluent, a plate-washingliquid, a confining liquid, a stop solution, a coating antibody, an enzyme-labeled secondary body, a human IgA antigen standard substance and a TMB. The kit for detecting IgA can be applied to blood routine tests by clinical treatment institutions and blood stations, reduces blood transfusion risks for the IgA deficient patients, and improves the safety of blood transfusion.

The invention discloses a multi-chip simultaneous measurement structure. According to the multi-chip simultaneous measurement structure, an electrical test is performed on chips on a wafer; the chipsto be tested on the wafer are divided into rows and columns so as to form a test array, and the chips to be tested in the same column are connected in parallel so as to form the test port of each column; the test ports are connected with the power source channels of a tester; the chips to be tested on the same row share one control switch; and the tester is provided with a plurality of power source channels, and one power source channel of the tester is corresponding to the test port of the chips to be tested in one column. The invention also discloses a simultaneous measurement method of themulti-chip simultaneous measurement structure. According to the simultaneous measurement method of the multi-chip simultaneous measurement structure, the chips to be tested are reasonably matched withthe channels of the tester, and therefore, the number of chips that can be tested simultaneously can be increased, and the power consumption parameter test of each chip to be tested is realized; anda test unit that encounters a short circuit during test can be isolated by the corresponding control switch, and therefore, misjudgment can be reduced.

The invention discloses a detection system of a sulfur hexafluoride density relay. The detection system having the precise calibration function is capable of calibrating temperature compensation values of multiple groups of density relays once and is capable of recycling sulfur hexafluoride gas. The detection system is composed of a calibration assembly and a high-and-low-temperature test box. Thehigh-and-low-temperature test box consists of a box body, a refrigeration system, a refrigeration system box, a compressor, a control module and an electrical cabinet; the electrical cabinet is arranged at one side of the box body; a control module and a memory are arranged in the electrical cabinet; and a compressor and a refrigeration system are arranged in the refrigeration system box. The boxbody is divided into a test chamber, a return air passage and a refrigeration system box by a lower chamber bottom plate and a test chamber sidewall; a condenser, a heater and a centrifugal fan are arranged in the return air passage; and an air outlet and a return air outlet are formed in the test chamber sidewall. A test frame for supporting density relays and a standard pressure gauge are arranged at a test rack. The calibration assembly includes a controller.

The invention provides a device for injecting a sweep frequency signal into a distribution transformer winding online. The device comprises a sweep frequency signal generator, a signal power amplifier and a capacitive coupling sensor, wherein the capacitive coupling sensor is disposed at the outside of a root of a sleeve of a transformer high-voltage outgoing line, the device further comprises a main controller, a data collection device and a Rogowski coil disposed at the outside of the root of a transformer neutral point sleeve, the collection device is respectively connected with the sweep frequency signal generator and the Rogowski coil, and the main controller is connected with the data collection device. By setting the capacitive coupling sensor to inject the sweep frequency signal into the winding of the transformer without contact, transformer deformation detection is performed in a non-contact manner without changing the system wiring, there is no influence on the transformer system, and the safety is high. The time interval of the sweep frequency signal generator to send the signals is set according to the change of the transformer parameter data, thereby not only ensuring the reliability of the online detection, but also prolonging the life of the device.

The invention discloses a feed automatic overturning mechanism of remote controller detection equipment. The feed automatic overturning mechanism comprises a support installed on a bottom plate, and arotary shaft is rotationally connected to the support. A first station capable of bearing a workpiece is arranged on one side of the rotary shaft. A second station used for bearing the workpiece is further fixedly connected to the rotary shaft. A driving mechanism driving the rotary shaft to rotate is connected to the rotary shaft. The driving mechanism drives the second station on the rotary shaft to rotate to be above the first station. The workpiece on the first station is picked up and transferred onto the second station and is then overturned. A vacuum sucker is used, locating guiding isadded, thus a remote controller can be sucked stably during equipment overturning, absolute accuracy of locating is ensured while overturning is conducted, stable reliability of the equipment is relatively enhanced, and reliability and precision of the feed automatic overturning mechanism can be ensured through the whole structural design.