Abstract: The present disclosure provides a method and an apparatus for testing a memory chip, and a storage medium, and belongs to the technical field of semiconductors. The method for testing a memory chip includes: writing test data into a memory cell of a to-be-tested memory chip; reading stored data from the memory cell; and generating a test result of the to-be-tested memory chip based on the test data and the stored data; wherein in the reading stored data from the memory cell, a row address strobe precharge time is less than a standard row address strobe precharge time of the to-be-tested memory chip, and/or a current sensing delay time of the to-be-tested memory chip is less than a standard sensing delay time of the to-be-tested memory chip.

Abstract: This invention provides compositions for making a solid lyophile of one or more nucleic acid active agents, which can be reconstituted as a drug product. The composition can include an aqueous suspension of lipid nanoparticles in a pharmaceutically acceptable solution, wherein the lipid nanoparticles encapsulate one or more nucleic acid active agents, a dextrin compound, and a saccharide compound. The nucleic acid active agents can be RNAi molecules capable of mediating RNA interference, as well as other RNAs and oligonucleotides.

Abstract: A method and a device for testing a memory chip are provided. The method includes: writing test data into memory cells of a memory chip to-be-tested; reading stored data from the memory cells; and generating a test result of the memory chip to-be-tested according to the test data and the stored data; a word line turn-on voltage tested in the memory chip to-be-tested being greater than a standard bit line and word line turn-on voltage of the memory chip to-be-tested, and/or a sense amplification time tested in the memory chip to-be-tested being greater than a standard sense amplification time of the memory chip to-be-tested.

Abstract: The present application discloses the use of diatom in rice planting and a cultivation method of rice in symbiosis with diatom and relates to the technical field of rice planting. The use of diatom in rice planting is achieved by adding diatom to an irrigated paddy field and performing co-cultivation during rice planting. Co-cultivation of diatom and rice can effectively achieve the beneficial effects of increased yield/silicon, thicker straw, and increased lodging resistance in rice, and can reduce soil degradation, reduce the risk of heavy metal pollution and increase soil fertility.

Abstract: A sliding rail having an enhanced rigidity modulus including an upper rail assembly, a lower rail assembly, and retainers is provided. The upper rail assembly is slidably arranged in a sliding groove in the lower rail assembly through a pair of retainers. First raised ribs and/or steel ball clamping grooves are arranged at intervals on surfaces of the retainers. A steel ball is mounted in the steel ball clamping groove. A supporting structure extending backwards in a length direction of the retainers is arranged at a rear end of each of the retainers. When the upper rail assembly slides backwards to the farthest stroke, the supporting structure provides longitudinal auxiliary support for a mid-rear section of the upper rail assembly, the supporting structure is in contact with the lower rail assembly, and a gap is reserved between the supporting structure and the upper rail assembly.

Abstract: This invention relates to indolizine derivatives and their use in medicine. In particular, the present invention discloses novel substituted indolizine derivatives of formula I, or an isotopically labeled compound thereof, or an optical isomer thereof, a geometric isomer thereof, a tautomer thereof or a mixture of various isomers, or a pharmaceutically acceptable salt thereof, or a prodrug thereof. The invention also relates to the use of these compounds in medicine.

Abstract: Techniques for optimizing machine learning models are provided. A first model in a first format is received. A second model is generated by applying one or more optimization techniques to the first model; the second model is an optimized version of the first model. The second model is converted into a common intermediate format. The second model is converted into binary data representing the second model. The binary data representing the second model is outputted.

Abstract: This invention relates to heterocyclic compounds and their use in medicine. In particular, the present invention discloses heterocyclic compound of formula I, or an isotopically labeled compound thereof, or an optical isomer thereof, a geometric isomer thereof, a tautomer thereof or a mixture of various isomers, or a pharmaceutically acceptable salt thereof, or a prodrug thereof. The invention also relates to the use of these compounds in medicine.

Abstract: This invention relates to indolizine derivatives and their use in medicine. In particular, the present invention discloses novel substituted indolizine derivatives of formula I, or an isotopically labeled compound thereof, or an optical isomer thereof, a geometric isomer thereof, a tautomer thereof or a mixture of various isomers, or a pharmaceutically acceptable salt thereof, or a prodrug thereof. The invention also relates to the use of these compounds in medicine.

Abstract: A foldable mobile device is provided. The device includes an antenna cavity substantially enclosed by at least four conductor walls, and a gap between two substantially perpendicular conductor walls at a first side of the antenna cavity. The device further includes a cavity extension extending at a direction substantially perpendicular to the first side of the cavity and aligned with the gap. Devices, methods, and a non-transitory computer-readable medium are disclosed.

Abstract: A method and device for testing a memory and a method for simulated testing include operations as follows. First data is written into a to-be-tested storage unit through a Sense Amplifier (SA), second data different from the first data is written into the storage unit through the SA, and an amplification duration of the SA is shortened during the writing the second data, and data stored in the storage unit is read, and whether the storage unit is abnormal is determined according to the read data.

Abstract: A method and a device for testing a memory chip, a computer-readable storage medium and an electronic device are provided. The method for testing a memory chip includes the following operations. Test data is written into memory cells of the memory chip based on a target write time of the memory chip. Memory data is read from the memory cell based on a target read time of the memory chip (S110). A test result of the memory chip is determined based on the test data and the memory data (S120). The test data includes multiple different binary sequences, only one of data bits in each binary sequence is 1, the target write time is less than a standard write time of the memory chip, and the target read time is less than a standard read time of the memory chip.

Abstract: A method for testing a memory chip includes the following: test data is written into memory cells of a memory chip to be tested; stored data is read from memory cells; a test result of the memory chip to be tested is generated according to the test data and the stored data. A current voltage of bit line precharge (VBLP) of the memory chip to be tested is smaller than a standard VBLP of the memory chip to be tested, and/or a current sensing delay time (SDT) of the memory chip to be tested is smaller than a standard SDT of the memory chip to be tested.

Abstract: Provided are a sense amplifying circuit and method, and a semiconductor memory. The sense amplifying circuit includes: a transmission circuit, configured to receive a signal to be processed and perform transmission on the signal to be processed to obtain an initial transmission signal; and an amplifying circuit, configured to receive a first control signal and the signal to be processed, and perform amplification on the initial transmission signal according to the first control signal and the signal to be processed to obtain a target transmission signal.

Abstract: Provided are a memory detection method, a computer device and a storage medium. The method includes: initializing all storage units in a storage unit array; determining a plurality of target wordlines, two adjacent target wordlines being provided with a plurality of interfering wordlines therebetween; turning on the target wordlines, and performing a write operation on storage units connected to the target wordlines; performing repeatedly turn-on and turn-off of the interfering wordlines for a plurality of times; and performing a read operation on the storage units connected to the target wordlines. A write operation is performed on the storage units connected to the interfering wordlines by means of forced current sinking.

Abstract: A method and device for testing a memory are provided. The method includes the following operations. After activating at least one word line, at least two times of read operations are performed on a to-be-tested memory cell connected to the activated word line. Whether there is a read abnormality in the to-be-tested memory cell is determined according to an output signal obtained after the at least two times of read operations.

Abstract: The disclosed computer-implemented method may include accessing media segments that correspond to respective media items. At least one of the media segments may be divided into discrete video shots. The method may also include matching the discrete video shots in the media segments to corresponding video shots in the corresponding media items according to various matching factors. The method may further include generating a relative similarity score between the matched video shots in the media segments and the corresponding video shots in the media items, and training a machine learning model to automatically identify video shots in the media items according to the generated relative similarity score between matched video shots. Various other methods, systems, and computer-readable media are also disclosed.

Abstract: A fracturing apparatus may include a power supply platform; a gas turbine engine; a generator; and one or more rectifiers. At least two of the gas turbine engine, the generator, and the one or more rectifiers are arranged on the power supply platform. A first end of the generator is connected to the gas turbine engine. A second end of the generator is connected to the one or more rectifiers. The generator is configured to output a voltage to the one or more rectifiers.

Abstract: This invention relates to indolizine derivatives and their use in medicine. In particular, the present invention discloses novel substituted indolizine derivatives of formula I, or an isotopically labeled compound thereof, or an optical isomer thereof, a geometric isomer thereof, a tautomer thereof or a mixture of various isomers, or a pharmaceutically acceptable salt thereof, or a prodrug thereof. The invention also relates to the use of these compounds in medicine.

Abstract: This application relates to a device for measuring a transmittance curve of an Fabry-Perot using a frequency comb light source and a method using the same. The device includes the following components sequentially arranged in an optical path: a single frequency pulse laser generating single frequency pulse laser; a frequency comb laser converting received single frequency pulse laser into frequency comb laser; and an Fabry-Perot to be detected receiving laser output from the frequency comb laser; where the device further includes a first receiving unit receiving laser from an output end of the frequency comb laser and performing component and spectrum analysis, and a second receiving unit receiving laser from an output end of the Fabry-Perot to be detected and performing component and spectrum analysis.