17 results about "Positive test" patented technology

The invention provides a Chinese large language model safety evaluation system and method based on dynamic extension and a bottom-taking mechanism, and belongs to the field of natural language processing and artificial intelligence. On the basis of an existing benchmark test data set, an attack test data set is generated by combining a large language model with multiple attack methods, and attack test data is generated for a request rejected to respond by the model by utilizing a fine-tuned expert model through a bottom-out mechanism; constructing a corresponding false positive test data set, inputting the attack test data set and the false positive test data set into the Chinese large language model to be evaluated, and reasoning to obtain an output result; and finally, carrying out multi-dimensional evaluation on an output result and automatically generating a report. The method has good expandability and adaptability, a test data set can be dynamically expanded, emerging security threats can be followed up, and anaphylaxis and generation of harmful content can be effectively avoided; and a more flexible, comprehensive and efficient solution is provided for security assessment of the Chinese large language model.

The utility model designs a test fixture which is used for testing the insulation performance of an iron core and comprises an upper die, a lower die, a first electrode and a second electrode, the first electrode is connected with the lower die, the upper die is opposite to the lower die and is connected with the second electrode, the first electrode is provided with a first accommodating cavity used for supporting the iron core, and the second electrode is provided with a second accommodating cavity. When the upper die moves to abut against the lower die, the size of a cavity formed by the first containing cavity and the second containing cavity is matched with the size of the iron core, the iron core is limited in the cavity, and all test points of a positive electrode test area and all test points of a negative electrode test area of the iron core are connected with the first electrode and the second electrode. The insulation performance of the iron core can be comprehensively evaluated, any insulation weak points or defects existing on the iron core can be found, the high-voltage tester is electrically connected with the first electrode and the second electrode, the insulation condition of the iron core in the actual working environment can be simulated, and therefore the insulation capacity of the iron core under the high voltage can be accurately evaluated.

A prefabricated multi-test kit, the kit that comprises a plurality of reaction cells, each one of at least two of the reaction cells holding reagents of a respective, different set of at least two tests selected from a group consisting of a plurality of different tests, the tests being distributed among the reaction cells in a manner that leaves reagents of each different one of the tests of the group in a respective different sub-combination of the reaction cells, and allows any sub-combination of the reaction cells to be indicative of a sub-group comprising all positive tests of the group when each reaction cell of the sub-combination that is indicative of the sub-group, contains an at least one positive test and none of the remaining reaction cells contain a positive test.

The invention discloses a method for detecting metronidazole in a gynecological medical instrument, and relates to the technical field of medical instrument detection, HPLC-DAD is adopted for preliminary screening, HPLC-MS is adopted for verification, a positive test sample obtained after verification is subjected to quantitative determination through HPLC-DAD, the detection limit of the detection method is low, and the detection limit of metronidazole is 0.05 microgram / mL; the metronidazole detection method is simple in operation, good in repeatability, good in stability and high in recovery rate, can be used as a supplementary detection method for metronidazole in gynecological medical instruments, and makes up the detection blank in the field.

The embodiment of the utility model provides a test probe board and a test system for a main-grid-free back contact battery, and belongs to the field of solar batteries. The test probe board comprises a negative electrode test board and a positive electrode test board which are arranged in an interdigital mode, the negative electrode test board and the positive electrode test board are made of conductors, and an insulation isolation belt is arranged between the negative electrode test board and the positive electrode test board. The negative electrode test board is used for contacting a negative electrode fine grid of the main-grid-free back contact battery and outputting a negative electrode current and a negative electrode voltage; the positive electrode test board is used for contacting a positive electrode fine grid of the main-grid-free back contact battery and outputting a positive electrode current and a positive electrode voltage. According to the embodiment of the invention, the negative test board and the positive test board are arranged in an interdigital manner and are respectively used for corresponding to the negative fine grid and the positive fine grid of the main-grid-free back contact battery, so that contact acquisition of all grid lines can be realized. Therefore, the IV curve of the main-grid-free back contact battery under different conditions can be accurately measured.

A prefabricated multi-test kit, the kit that comprises a plurality of reaction cells, each one of at least two of the reaction cells holding reagents of a respective, different set of at least two tests selected from a group consisting of a plurality of different tests, the tests being distributed among the reaction cells in a manner that leaves reagents of each different one of the tests of the group in a respective different sub-combination of the reaction cells, and allows any sub-combination of the reaction cells to be indicative of a sub-group comprising all positive tests of the group when each reaction cell of the sub-combination that is indicative of the sub-group, contains an at least one positive test and none of the remaining reaction cells contain a positive test.

The utility model provides a wire harness testing device, which is applied to the technical field of wire harness testing and comprises an upper computer, an adapter plate, a display screen and a testing head, the upper computer is in serial communication with the adapter plate, and data interaction is realized between the adapter plate and the testing head through infrared transmission. Startup and shutdown or function selection of the testing head is realized through optical coding communication between the display screen and the testing head. The display screen is provided with a plurality of test heads, the test heads comprise a positive test head and a negative test head, an external wiring harness is connected between the positive test head and the negative test head, and the connected external wiring harness is detected. According to the wiring harness test equipment, information interaction is realized in an infrared communication mode, and function selection of the test head is realized by carrying out optical coding by using an optical signal, so that the complexity of equipment wiring is reduced, wiring harness assembly and test are completed at the same time, signal interference is reduced, and the accuracy of a test result is improved.

The invention provides a large language model security evaluation method and device for prison break attacks and a medium. The method comprises the steps of constructing an attack test data set and a false positive test data set; taking the attack test data set and the false positive test data set as input, executing a systematic security test on a to-be-evaluated target large language model, and collecting response output of the target large language model; a multi-model review group is adopted to carry out collaborative security assessment on the response output, and security classification and risk scores are generated; and based on the security classification and the risk score, generating a big language model security assessment report. According to the method, a complete evaluation closed loop from data preparation, test execution, result evaluation to report generation is successfully constructed, and comprehensive, objective and comparable standardized evaluation on the jailbreak attack resistance of the large language model is realized at the level of the method for the first time; the technical problems that in the field, an evaluation method is fragmented, subjectivity is high, and transverse comparison of results is difficult for a long time are solved.

The invention discloses an I / F conversion circuit nonlinearity compensation method based on Gaussian fitting, and the method comprises the following steps: inputting a plurality of groups of positive test currents and negative test currents to an I / F conversion circuit, and sampling and measuring the positive test current and the negative test current of each current point, and the corresponding pulse number; calculating a positive scale factor, a negative scale factor, a positive nonlinearity degree and a negative nonlinearity degree of each current point; performing Gaussian fitting on the positive scale factor, the negative scale factor, the positive test current and the negative test current of each current point obtained by calculation to form compensation coefficients: an offset coefficient, a center coefficient, a width coefficient and an area coefficient; compensating the original pulse number of each current point, and calculating to obtain the compensated pulse number of each current point; and performing nonlinearity calculation on the compensated pulse number to obtain a positive scale factor, a negative scale factor, positive nonlinearity and negative nonlinearity after compensation. According to the invention, the nonlinearity of the I / F conversion circuit can be well reduced.

The invention relates to the field of power distribution cabinet performance detection, and discloses a power distribution cabinet safety performance detection device, which comprises a universal meter body provided with a rotating block and a negative electrode test line, and is characterized in that a switching mechanism comprises a second mounting box with a built-in first connecting end, and the first connecting end is in plug-in connection with the universal meter body; the first conductive plate is fixedly mounted in the second mounting box, second connecting ends are fixedly mounted on the first conductive plate, and the positive electrode test line, the second connecting ends and the first connecting ends form three different connecting spaces; the connecting mechanism is arranged between the first connecting end and the second connecting end; a switching mechanism is arranged on the universal meter, and three groups of first connecting ends and second connecting ends corresponding to different measurement functions are arranged in a second mounting box. A rotating block is rotated, so that a first screw rod is rotated, and a connecting mechanism is moved to a corresponding connecting space; therefore, when resistance, voltage and current tests are switched, the positive electrode test line and the negative electrode test line do not need to be plugged and unplugged back and forth, and the condition that a meter pen is plugged mistakenly is also avoided.

A substance detector includes a color-changing reagent and is safe for human handling. The color-changing reagent changes color on contact with opioids and related target substances. A corresponding method detects very small quantities of an opioid via a rapid color change on a wet wipe when contacted with the opioid. The color change takes place on the wet wipe relatively quickly. The color-changing reagent can be utilized in conjunction with an additional colorchanging material to assist with a decrease in false positive test results.

This utility model discloses a cable quality testing device and system, applicable to the field of cable testing technology. The device includes at least two conductive clamps and a test bridge; the two conductive clamps are connected by a central wire; one conductive clamp is used to connect a first cable to be tested, and the other conductive clamp is used to connect a second cable to be tested; each conductive clamp includes a first clamp body and a second clamp body; the first clamp body includes a first frame, a second frame, and a third frame connected in sequence to form a U-shaped receiving space; the first frame has a screw hole, and the second clamp body is screwed into the receiving space through the screw hole, forming a clamping opening with the third frame for holding the cable to be tested; the test bridge has a positive test terminal and a negative test terminal; the positive test terminal is used to connect to the first cable to be tested, and the negative test terminal is used to connect to the second cable to be tested. This device has low additional resistance and a small overall resistance circuit, effectively improving the accuracy of cable resistance testing.

A device for ensuring correct results in joint self-tests, characterized in that this invention, available to each participant and consisting of various system parts – as well as its logical, physical, and data-related interconnection – autonomously regulates and controls the procedure of a participating group of people both temporarily and logically, such that the control unit (SE) of the device informs the group of people around the time of the desired reporting level (M) with infection status (INFQ) (VI), at which time (S) an optionally video-documented self-test (T1, VS) – alternatively (self-)tests with other personal identification – is to be carried out immediately, wherein an included random function (RAN) ensures that this time is not predictable, and in the case of the video-documented self-test, the test stick of the device is marked (K) for identification in the video evaluation.which can also be AI-based, and the swab (TU) has an additive / impregnation with an acid indicator (INDI) so that deliberate wetting by acidic substances by the test subject – and the associated discoloration – leads to an invalid test result – and the non-distribution of a reward; and the device determines the sum of all positive test results (INFM) from the tests (T1), whereby the device then calculates the time interval (INT) after which, in the case of a positive initial test (T1), a second test (T2) must be carried out in order to obtain the reward for the test subject and their housemates if the test result is again positive and quarantine (Q1) has been observed, wherein the calculation is reciprocal – for example, with the calculation approach Q1*(1-INFQ / INFM) – and the resulting adaptive shortening of the test interval (INT) is intended to achieve as many justified reward distributions as possible.

A substance detector includes a color-changing reagent and is safe for human handling. The color-changing reagent changes color on contact with opioids and related target substances. A corresponding method detects very small quantities of an opioid via a rapid color change on a wet wipe when contacted with the opioid. The color change takes place on the wet wipe relatively quickly. The color-changing reagent can be utilized in conjunction with an additional colorchanging material to assist with a decrease in false positive test results.

The utility model discloses a testing device and testing equipment, and the testing device comprises a box body, a concentrator and a switcher, the concentrator is placed in the box body, the concentrator is provided with a plurality of first USB interfaces, one end of the switcher is a second USB interface, the other end of the switcher is a Type-c interface assembly, the second USB interface is plugged in the first USB interface, the Type-c interface assembly is plugged in an interface to be tested, and the Type-c interface assembly is connected with the interface to be tested. The switcher further comprises a change-over switch, the change-over switch is electrically connected with the second USB interface and the Type-c interface assembly, the change-over switch is used for switching test pins of the interfaces to be tested into front test pins or reverse test pins, the USB interfaces are increased by using the integrator, so that the number of the interfaces to be tested is increased, the number of times of plugging and unplugging the interfaces is reduced, and the test efficiency is improved. And the interface conversion function and the interface pin switching function are integrated in the switcher, that is, the USB interface to Type-c interface function and the positive and negative test pin switching function are integrated in the switcher, so that the positive and negative test pins of the to-be-tested interface can be switched, and the test efficiency is further improved.

The application discloses a kind of positive and negative iteration demand verification deployment method, comprising: according to the element of production environment, the element of shadow environment is backed up;Positive test to production environment, test business requirements in test environment, after testing qualified in test environment, business requirements are deployed to shadow environment, after testing qualified, again deployed to production environment;Reverse test to production environment, test business requirements in shadow environment, after testing qualified, business requirements are deployed to test environment, after testing qualified, again deployed to production environment.The positive and negative iteration demand verification deployment method of the application, the element of production environment is backed up in shadow environment, effectively improve the problem that bug leakage rate is excessively high due to environment difference, while homogeneous low configuration shadow environment can better save IT resources;Using the way of positive and negative iteration deployment verification can conveniently compare environment difference, quickly find the reason of problem, can improve the accuracy of test.

A substance detector includes a color-changing reagent and is safe for human handling. The color-changing reagent changes color on contact with opioids and related target substances. A corresponding method detects very small quantities of an opioid via a rapid color change on a wet wipe when contacted with the opioid. The color change takes place on the wet wipe relatively quickly. The color-changing reagent can be utilized in conjunction with an additional color-changing material to assist with a decrease in false positive test results.