Abstract: An explosive cartridge delivery tube is provided and includes an explosive delivery tube body, wherein the explosive delivery tube body has a length greater than a depth of a blast hole, an explosive delivery chamber is formed inside the explosive delivery tube body, the explosive delivery chamber is arranged in a length direction of the explosive delivery tube body in a running-through manner, and an internal diameter of the explosive delivery chamber is greater than a diameter of an explosive cartridge.

Abstract: Methods for depositing ultra-thin films are disclosed. Some embodiments of the disclosure utilize ultra-thin films as barrier layers, liner layers, or nucleation layers to decrease interconnect resistance. Some embodiments advantageously provide continuous films with thicknesses of less than or equal to about 20 ?. Some embodiments advantageously provide films with decreased roughness.

Abstract: The present application relates to a radio frequency system and a communication device. The radio frequency system may include: a transceiver circuit; a receiving circuit; a first coupling circuit, configured to support coupling of a transmit signal on a transceiver path and coupling of a reflected signal of the transmit signal, and output a first forward coupled signal and a first backward coupled signal; a second coupling circuit, configured to selectively turn on the receiving path and the coupling path, support coupling of the first forward coupled signal and coupling of the reflected signal, and output a second forward coupled signal and a second backward coupled signal; and, a processing circuit, configured to determine second impedance information of the receiving path according to the second forward coupled signal and the second backward coupled signal.

Abstract: An optical lens assembly sequentially includes first to sixth lens elements along an optical axis from a light output side to a light input side. An optical axis region and a periphery region of a light input surface of the sixth lens element are concave and convex surfaces. A periphery region of a light output surface of the sixth lens element is a concave surface. The optical lens assembly satisfies EDmax/EDmin?2.100 and 3.000?(D21t32+G56)/D11t21. EDmax and EDmin are maximum and minimum values of effective diameters. D21t32 is a distance from a light output surface of the second lens element to a light input surface of the third lens element. G56 is an air gap between the fifth and sixth lens elements on the optical axis. D11t21 is a distance from a light output surface of the first lens element to the light output surface of the second lens element.

Abstract: Provided are a RF front-end device, a RF system and an electronic device. The RF front-end device is configured with an antenna terminal, a control terminal for receiving multiple control signals, and multiple input terminals for receiving multiple RF signals. The RF front-end device includes: a first switch unit having multiple first terminals connected to the multiple input terminals respectively; a power amplification unit, having an input terminal connected to a second terminal of the first switch unit, and an output terminal connected to the antenna terminal; and a control unit connected to the control terminal and the power amplification unit, and configured to control, based on a received target control signal, the power amplification unit to perform power amplification processing on a received target RF signal. The target control signal is one of the multiple control signals, and frequency bands of the multiple RF signals are different.

Abstract: An optical lens assembly is adapted to a projection lens and configured to generate beams from lights emitted by a multiple light source generating unit. A direction toward the multiple light source generating unit is a light input side, and an opposite side is a light output side. The optical lens assembly includes first to sixth lens elements sequentially along an optical axis from the light output side to the light input side. Each lens element includes a light output surface facing the light output side and a light input surface facing the light input side. The first and fourth lens elements have negative refracting power. A periphery region of the light output surface of the fifth lens element is concave. A periphery region of the light input surface of the sixth lens element is convex. The projection lens and the optical lens assembly respectively satisfy EDmax/EDmin?2.100; and V1+V2+V3?140.

Abstract: Provided are a communication device and a communication control method. The communication device includes a radio frequency transceiver, multiple radio frequency modules, a radio frequency power supply, and an electric power supply. When the communication device supports a standalone mode, the radio frequency power supply outputs a radio frequency voltage to individual radio frequency modules ready for transmission that are conductively connected to one transmission channel group. When the communication device supports a combined mode of frequency bands of different transmission channel groups, the radio frequency power supply outputs the radio frequency voltage to a radio frequency module ready for transmission that are conductively connected to one transmission channel group, and the electric power supply outputs a power supply voltage to other radio frequency modules ready for transmission that are conductively connected to another transmission channel group.

Abstract: Some embodiments of the methods and compositions provided herein relate to obtaining long read information from short reads of a target nucleic acid. Some embodiments include steps to selectively generate, mark, and amplify long nucleic acid fragments. Some embodiments include enriching for certain sequences in the long fragments with selection probes directed to certain pharmacogenetic (PGX) genes. Some embodiments also include fragmenting the long nucleic acid fragments into shorter fragments for sequencing, and informatically reconstructing a sequence of the target nucleic acid.

Abstract: An optical imaging lens includes a first lens to a sixth lens and correspondingly forms a first focusing state and a second focusing state. The first lens element has positive refracting power, a periphery region of the image-side surface of a fifth lens element is concave, an optical axis region of the image-side surface of the sixth lens element is concave, a periphery region of the image-side surface of the sixth lens element is convex. Lens elements included by the optical imaging lens are only six lens elements. The rear lens group enables the optical imaging lens to form a first focusing state and a second focusing state to satisfy TTL*?HFOV/?G?19.500 degrees.

Abstract: The present disclosure relates to an information query method and apparatus, and a computer-readable storage medium, and relates to the field of computer technologies. The information query method includes: generating, based on relative time information included in first information, second information including absolute time information and corresponding to the first information, where the relative time information and the absolute time information indicate a same time point; determining, based on time information in a first query request, related information of the first query request from the second information; and determining a query result based on the first information corresponding to the related information.

Abstract: An optical imaging lens and an optical plastic lens assembly are provided by the present invention. The optical plastic lens assembly comprises a first plastic lens element and a second plastic lens element, positioned from an object side to an image side. Each of the first and second plastic lens elements comprises an optical portion and a mounting portion, formed in a radial direction, from center to edge. The mounting portion comprises an object-side supporting surface facing the object side and an image-side supporting surface facing the image side. At least one first coevaporate and at least one second coevaporate are positioned between the image-side supporting surface of the first plastic lens element and object-side supporting surface of the second plastic lens element. The first coevaporate at least comprises aluminum and zirconium. The second coevaporate at least comprises phosphorus, oxygen, and at least one metal element of cerium, tungsten, iron, gallium and bismuth.

Abstract: A filter capable of automatically cutting off gas flow, including: a housing (1) with a cavity, a filter element (2) disposed in the cavity, a blocking mechanism disposed in the flow channel (13), and an unblocking member (23). The housing is provided with an inlet end (11) and an outlet end (12). The filter element (2) is provided with a first chamber (21). A second chamber (23) is formed between the filter element (2) and the housing (1), and a flow channel (13) is disposed between the first chamber (21) and the inlet end (11). The blocking mechanism has an unblocking state in which the blocking mechanism is cooperated with the unblocking member (23) to allow a gas flow to flow out of the flow channel (13), and a blocking state in which the blocking mechanism prevents the gas flow from flowing out of the flow channel (13).

Abstract: An optical imaging lens may include a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element, an eighth lens element and a ninth lens element positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of the lens elements, the optical imaging lens may increase resolution, enlarge aperture stop and image height, and maintain well image quality.

Abstract: The present disclosure provides a constant current drive circuit, a constant current control system, and a lamp. The constant current drive circuit includes a load module, a start-stop module for controlling the starting and stopping of the load module, an energy storage module, and a rectifier module for controlling the current angle and current magnitude of the load module circuit. The energy storage module can charge when the load module is input with a high voltage and discharge when the load module is input with a low voltage. The rectifier module includes a resistor R1, a first compensation circuit, a first reference circuit, a first comparator, and a field-effect transistor M1 connected, the drain electrode and the source electrode of the field-effect transistor M1 are connected to the energy storage module and the resistor R3.

Abstract: Methods of forming devices comprise forming a dielectric material on a substrate, the dielectric layer comprising at least one feature defining a gap including sidewalls and a bottom. The methods include passivating a metal material at a bottom of the gap with an alkyl reactant to form a passivation layer on the metal material, the gap defined by the bottom and sidewalls comprising the dielectric material with having a barrier layer thereon. A metal liner is selectively deposited on the barrier layer on the sidewall over the passivation layer on the bottom.

Abstract: Provided in the present disclosure are a drive circuit, a drive controller, and a lamp. The drive circuit includes a load module, an energy storage module, a constant-current control module and a sampling signal module, where the load module includes a first load and a second load, which are connected to a power supply module; the energy storage module is connected to the first load, the power supply module charges the energy storage module, and the energy storage module can supply power to the load module; the constant-current control module includes a first control unit and a fourth control unit, which are connected to the second load in parallel, and a second control unit and a third control unit, which are connected to the second load in series; and the sampling signal module comprises a diode D1 and a sampling module.

Abstract: An adapter is installed on a cartridge detachably disposed on a main body of an image forming apparatus. The main body includes a first conductive contact and a protective structure. The protective structure is disposed on a rear frame of the main body. The protective structure includes a protective element. When the cartridge is not inserted into the main body, the protective element is in a first position to protect the first conductive contact. The cartridge includes a housing, an accommodation part, and a second conductive contact. The accommodation part is disposed on the housing. The second conductive contact is used to electrically connect with the first conductive contact. The adapter includes a pressing element that is used to cooperate with the protective structure.

Abstract: An optical imaging lens of the present invention comprises a light-shielding plate and two pieces of activated reactive bonding film positioned between two lens elements. The activated reactive bonding film are in a shape of ring. One of the pieces of activated reactive bonding film is positioned between an object-side surface of the light-shielding plate, facing an object side, and an image-side bearing surface of one of the two lens elements, corresponding to the mounting portion and facing an image side, and the other one is positioned between an image-side surface of the light-shielding plate, facing the image side, and an object-side bearing surface of the other one of the two lens elements, corresponding to the mounting portion and facing the object side. With respect to each of the pieces of activated reactive bonding film, the optical imaging lens may satisfy two inequalities.

Abstract: A digital speckle based online water wall stress monitoring method and device, and the method includes the following steps: arrange an online stress monitoring device on the side of the water wall to be monitored; determine a plurality of monitoring points according to the area of the water wall, and set the motion track of the online stress monitoring device for speckle image acquisition according to the determined monitoring points; acquire the real-time speckle image of each monitoring point in real time after acquiring the initial speckle image of each monitoring point; compare the real-time speckle images with the initial speckle images, and determine whether the stress of the water wall changes according to the comparison results. The invention adopts non-contact digital image technology, and determines the difference between the real-time and initial speckle images of the water wall to realize the stress monitoring.