Abstract: Package structures and methods for manufacturing the same are provided. The package structure includes a first bump structure formed over a first substrate. The first bump structure includes a first pillar layer formed over the first substrate and a first barrier layer formed over the first pillar layer. In addition, the first barrier layer has a first protruding portion laterally extending outside a first edge of the first pillar layer. The package structure further includes a second bump structure bonded to the first bump structure through a solder joint. In addition, the second bump structure includes a second pillar layer formed over a second substrate and a second barrier layer formed over the second pillar layer. The first protruding portion of the first barrier layer is spaced apart from the solder joint.

Abstract: The present disclosure discloses a Bluetooth communication method having audio source scanning mechanism and used in a Bluetooth audio play playback apparatus that includes steps outlined below. A one-to-one connection is established with a Bluetooth communication assistant apparatus. An audio source scanning is performed to generate audio source information according to a scanned Bluetooth audio source apparatus. The audio source information is transmitted to the Bluetooth communication assistant apparatus. A selection command from the Bluetooth communication assistant apparatus is received to select the scanned Bluetooth audio source apparatus as a selected Bluetooth audio source apparatus. Audio data from the selected Bluetooth audio source apparatus is received and playback.

Abstract: An addition system of a reducing agent in a semiconductor manufacturing process includes pre-treatment and post-treatment gas concentration detection devices, a process exhaust gas treatment device, a reducing agent supply device, and an addition system control device. The process exhaust gas treatment device purifies exhaust gas of a semiconductor manufacturing process and emits a post-treatment gas. The reducing agent supply device supplies a reducing agent gas into the process exhaust gas treatment device. The post-treatment gas concentration detection device detects a residual concentration of the reducing agent gas in the post-treatment gas. The addition system control device calculates destruction and removal efficiency (DRE) for process gases according to pre-treatment and post-treatment gas concentrations, and, according to the DRE and the residual concentration, sends a signal to the reducing agent supply device to control the amount of the reducing agent gas added.

Abstract: The present invention discloses an isogeometric analysis method based on a geometric reconstruction model comprising steps of: dividing boundaries of a CAD model into triangular patches or directly based on point cloud data, generating a closed regular embedded domain, dividing the embedded domain into regular sub-domains, dividing the elements according to a positional relationship between the boundaries of the triangular patches/points and the elements into trimmed elements and untrimmed elements; calculating a minimum directional distance from each vertex of a trimmed element to a triangular patch near the trimmed element; using the minimum directional distance to divide the untrimmed elements into real and virtual elements; using the minimum directional distance as a level set function value, and using a marching tetrahedra algorithm to reconstruct a displayed geometric model based on the regular embedded domain; after obtaining the level set function value, calculating the level set function value of a G

Abstract: The present invention discloses a right-angle turning method for small-diameter TBM exploration adit excavation and belongs to the field of geological exploration of water conservancy and hydropower projects.

Abstract: A transmission method includes creating an automatic repeat request process for a first packet; setting a lifetime for the automatic repeat request process; and sending the first packet; and when a preset retransmission condition in the lifetime of the automatic repeat request process is satisfied, retransmitting a second packet; where the preset retransmission condition includes that at least part of the time instants within the first predetermined time interval after an incorrect-reception acknowledgement frame returned by the receiver is received is beyond the lifetime of the automatic repeat request; where retransmitting the second packet includes: extending the lifetime of the automatic repeat request process to a third predetermined time interval following the first predetermined time interval, where the third predetermined time interval is at least a time period required for retransmitting the second packet; and retransmitting the second packet after the first predetermined time interval.

Abstract: An open-ear Bluetooth® earphone includes an earphone body and a support frame. The support frame is configured to be plugged into a cavum concha of a wearer. The earphone body is provided with an audio source, and the support frame is installed on the earphone body and corresponds to the audio source. When in use, the support frame is configured to be firmly plugged into the cavum concha of the wearer to allow the earphone body to be worn on the ear of the wearer. The audio source corresponds to the ear canal of the wearer through the support frame, so that the sound emitted from the audio source is transmitted into the ear canal through the support frame. The audio source is directly opposite of the ear canal through the support frame to shorten the distance between the audio source and the ear canal.

Abstract: An open-ear earphone includes a housing, a chamber is provided inside the housing, a speaker is provided inside the chamber and divides the chamber into a front chamber and a rear chamber. The housing is provided with a first sound hole and a second sound hole. The front chamber is communicated to the outside through the first sound hole, and the rear chamber is communicated to the outside through the second sound hole. The rear chamber includes a first volume down chamber and a second volume down chamber communicated to the first volume down chamber, and the first volume down chamber is located between the speaker and the second volume down chamber. The sound wave in backward motion generated by the speaker is transmitted to the outside from the second sound hole after being reduced by the first volume down chamber and the second volume down chamber.

Abstract: A composite biochar for controlling heavy metal pollution and a process for producing the same, in particular enrichment of heavy metals such as arsenic and lead in soil with centipede grass, thereafter centipede grass is sintered with hydroxyapatite, sepiolite and chitosan, and compounded with microorganisms to produce said composite biochar; through the process of the present invention, heavy metals such as arsenic and lead are stably enriched or coated in said composite biochar, significantly reducing the potential hazard of arsenic and lead to the environment, and also providing new developmental ideas for treating heavy metal biomass.

Abstract: A porous biochar for improving heavy pollution and a method for producing the same. Said porous biochar is prepared as follows: arrowhead, which has excellent enrichment of lead, is used to absorb heavy metal lead in polluted water or artificial wetlands, simultaneously absorb heavy metal cadmium, thereafter is dried and treated as a biomass, and then the biomass is calcined in stages with a passivating agent in a high temperature environment, so as to heavy metals such as lead and cadmium be stably coated or enriched in a biochar, which is mixed with Pseudomonas aeruginosa having high resistant, to obtain the porous biochar; the porous biochar has high specific surface area, high porosity and excellent mechanical properties, is very stable under different acid-base environments and oxidizing conditions.

Abstract: Provided are a beam recovery processing method, a beam recovery method, a base station and a terminal. The beam recovery processing method includes: determining, by a transmitting end, a configuration information set for instructing a receiving end to perform a beam recovery; and transmitting, by the transmitting end, the configuration information set to the receiving end.

Abstract: The present application discloses a dispatching and control cloud data processing method, device and system. The method includes the following operations: pilot node device acquires a global scheduling task, decomposes the global scheduling task to obtain scheduling tasks, issues the scheduling tasks to collaborative node device, acquires data collection ranges and data processing rules of the collaborative node devices, and delivers them to the collaborative node devices; the collaborative node devices receive and execute the scheduling tasks issued by the pilot node device; receives the data collection ranges and the data processing rules issued by the pilot node device, acquires, based on the scheduling tasks, collected data in the data collection ranges, processes the acquired collected data according to the data processing rules to obtain the processed data, uploads the processed data to the pilot node device; the pilot node device receives the processed data uploaded by the collaborative node devices.

Abstract: The present disclosure provides a method and a server for platooning. The method provides: obtaining, based on a platooning request message, a first vehicle type and first kinematic information of a vehicle to join a platoon, a second vehicle type and second kinematic information of a current tail of the platoon, first sensor operating status information of the vehicle to join the platoon, and second sensor operating status information of the current tail vehicle; performing vehicle kinematic determination to obtain a kinematic determination result; performing sensor determination to obtain a sensor determination result; transmitting a confirmation request message to a vehicle of the platoon when the determination results are both successful; and controlling, upon receiving a request approval message, the vehicle to join the platoon to establish a V2V communication connection with each vehicle in the platoon. The method can achieve platoon without any road side unit.

Abstract: The present invention provides a keratin BD-3, a nucleic acid molecule encoding same, an expression vector, a host cell, a preparation method therefor, and a pharmaceutical composition contained the keratin BD-3. The keratin BD-3 can be used in the preparation of medicament for antipyretic, analgesic, antitussive, expectorant, anticonvulsant, antiepileptic, anti-hypertension, anti-inflammatory, and antiviral.

Abstract: Disclosed are a low-cost high-efficiency drip irrigation system for a cotton field and a use method thereof. The drip irrigation system for a cotton field includes a filtering device and a water supply device; wherein the filtering device adopts different types of single filtering devices or combined filtering devices according to different water source types; the water supply device includes multiple stages of main pipes, submain pipes and laterals; the laterals (a drip irrigation tape with labyrinth on one side or a drip irrigation tape inlaid with emitters inside) are laid on the surface of the ground and located below a mulch film. The drip irrigation system adopts the design of large flow (1.5-3.4 L/h), slightly larger pipe diameter (>75 mm), low water pressure (operating pressure of drip irrigation tape being 0.03-0.07 MPa) and suitable drip irrigation uniformity (80%-90%).

Abstract: A method for offshore dual-drive core drilling with three layers of casings under surge compensation is provided. According to the method, a drilling vessel is located at set latitude and longitude coordinates by a dynamic positioning system; drill pipes are stabilized by a seabed template; torques and drilling pressures can be transmitted during drilling of the casings by means of surge compensation of the casings at a wellhead; during drilling for sampling, the surge compensation can compensate to a certain extent for a change in water depth caused by rising or falling tides, or surge, thereby preventing the casings from colliding with equipment and ensuring the safety of wellhead operation; and the drilling of three layers of casings is achieved by means of dual driver heads to effectively protect a wellbore wall, such that high core-drilling rate and good core-drilling quality are achieved during drilling for sampling.

Abstract: The present disclosure belongs to the technical field of waterproofing, and relates to a waterproof membrane, a preparation method and a construction method thereof, and a tunnel waterproof system. The waterproof membrane includes a resin sheet layer, a non-asphalt-based macromolecular self-adhesive layer and an interface bonding layer which are sequentially disposed, where the waterproof membrane has a light transmittance of ?45%. The present disclosure provides a visual waterproof membrane, that is, light may penetrate through the membrane to make gaskets visual, and when the membrane has a light transmittance of ?45%, it has good visibility for gaskets with warm colors such as orange and red.

Abstract: Disclosed is a method of preparing glufosinate, and specifically a method of preparing glufosinate represented by formula (1) or its salt or enantiomer, or a mixture of its enantiomers in any ratio, comprising a step of hydrolyzing a compound of formula (III) to generate a compound of formula (1). Due to a distinctive reaction mechanism adopted in the method of the present disclosure, a halogenated hydrocarbon by-product in the Michaelis-Arbuzov reaction can be avoided and thus the destructive impact of the halogenated hydrocarbon by-product on ozone in the aerosphere can be prevented. Accordingly, the equipment and engineering investments required for the separation, purification, and collection of the foregoing by-product are eliminated, and the potential environmental and safety hazards brought by the foregoing by-product are also avoided.

Abstract: Provided is a node diaphragm scraping and sorting device for a bamboo split, which is configured to scrape node diaphragms of the bamboo splits and to sequentially sort the bamboo inner layers and bamboo outer layers of the bamboo splits towards the same direction. The device includes a scraping device, a sorting device and a clamping and conveying device which are arranged from front to back along an axis. The scraping device includes a conical cylinder, two pressing semi-rings, and a scraping ring. The sorting device includes an e-shaped sleeve composed of an inner cylinder and an outer cylinder, and two shifting forks located at both ends of the sleeve. The clamping and conveying device includes an inner ring moving on the axis, two clamping semi-rings and a conveying power device. The structure, function and technical parameters of each branch device are also introduced in detail.

Abstract: A method for processing a network allocation vector (NAV) includes: terminating the receiving of a first radio frame when it is determined that a target receiving station of the first radio frame being received is not a first station; and updating an NAV of the first station or maintaining the NAV of the first station unchanged according to a remaining duration of the first radio frame and a first transmission opportunity duration carried in the first radio frame, where the remaining duration of the first radio frame is the transmission time used for transmitting the remaining part of the first radio frame after the receiving of the first radio frame is terminated. The technical solution solves the problem in the related art of collisions with hidden stations caused by an inaccurate NAV update in the existing art, thereby ensuring the accuracy of an NAV update and the fairness of transmission and channel contention, and reducing collisions among hidden stations.