Abstract: The disclosure relates to a method for producing heavy oil by generating solvents in situ in the reservoir, an electric heating device is used to heat up the crude oil in the reservoir near the wellbore to the target temperature. Chemical reaction additives are injected into the heating section to meet the preset reaction conditions for the high temperature thermal cracking and aquathermolysis of crude oil, so as to generate light hydrocarbon components and gases. Under the effect of heat and gravity, the light hydrocarbon components and gases rise to the steam chamber. The light hydrocarbons and some gases that move to the vapor-liquid interface of the steam chamber are dissolved in the crude oil to reduce the viscosity of crude oil and increase the production rate of crude oil.

Abstract: The invention discloses an integrated method for nitrogen-assisted carbon dioxide fracturing and development of shale oil reservoirs, comprising the following steps: fracture the target shale reservoir with nitrogen-assisted carbon dioxide; after fracturing, firstly inject carbon dioxide gas into the target shale oil reservoir, and then inject nitrogen gas to push the carbon dioxide gas into the further location of the oil reservoir; shut in the well in the target shale oil reservoir; after shut-in, open the well to implement depletion production; after the first cycle of production, the slug volume of the injected gas and the shut-in time are 1.5 times of those in the previous cycle in the subsequent production, and Steps 5 to 7 are repeated for each cycle.

Abstract: The disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communication. The UE receives a first signaling in a first time-frequency resource, and receives a first radio signal in a second time-frequency resource; the first signaling is used for indicating K1 target subband(s), the K1 target subband(s) comprise(s) K1 target time-frequency resource(s) respectively, and the second time-frequency resource is one of the K1 target time-frequency resource(s); the first signaling and the first radio signal are both specific to the UE; time domain resources occupied by the first time-frequency resource belong to a first time window. Through the design of the K1 target subband(s), the disclosure guarantees the transmission of important information such as system information and subband indicator signaling on unlicensed spectrum, thereby improving overall performances of the system.

Abstract: A method and device in a node for wireless communications. A first node firstly transmits a target signaling; and then transmits a first signaling and a second signaling; and transmits a first signal in a first radio resource set; the target signaling is used to determine a target reference signal; the first signaling and the second signaling are respectively used to indicate a first radio resource pool and a second radio resource pool; the type of multicarrier symbols comprised in the first radio resource pool is a first type; there is at least one of multicarrier symbols comprised in the second radio resource pool that is of a type other than the first type; the present disclosure, by transmitting a first signal on resources other than cellular link uplink resources, manages to enhance the chance of feedback information transmission in sidelink, thereby improving the spectrum of the sidelink transmission.

Abstract: The invention discloses an integrated method for nitrogen-assisted carbon dioxide fracturing and development of shale oil reservoirs, comprising the following steps: fracture the target shale reservoir with nitrogen-assisted carbon dioxide; after fracturing, firstly inject carbon dioxide gas into the target shale oil reservoir, and then inject nitrogen gas to push the carbon dioxide gas into the further location of the oil reservoir; shut in the well in the target shale oil reservoir; after shut-in, open the well to implement depletion production; after the first cycle of production, the slug volume of the injected gas and the shut-in time are 1.5 times of those in the previous cycle in the subsequent production, and Steps 5 to 7 are repeated for each cycle.

Abstract: A method and a device in nodes used for wireless communication are disclosed by the present disclosure. The node receives a first signaling and a first signal; and then transmits a first bit block in a first time-frequency resource set; the first signaling is used to determine time-frequency resources occupied by the first signal, the first bit block comprises a first information block, which is used to indicate whether the first signal is correctly received; the first signaling is used to determine the first time-frequency resource set; a target index is equal to one of the K1 candidate indexes, and is used to determine a position of the first information block in the first bit block. The present disclosure optimizes the system performance by improving the method and device for feedback information transmission in multicast/groupcast mode.

Abstract: The disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communication. The UE receives a target radio signal, transmits a first radio signal in a first time resource pool, and monitors a first signaling in a second time resource pool in a first frequency domain resource; a channel measurement for the target radio signal is used for triggering a transmitting of the first radio signal; the first signaling is transmitted employing a first antenna port group, the first radio signal is used for determining a second antenna port group, and the first antenna port group is different from the second antenna port group; the first signaling is a physical layer signaling. By designing the first signaling, the disclosure achieves a more efficient beam management on unlicensed spectrum, thus improves the overall transmission efficiency and performance of system.

Abstract: The present disclosure provides a method and device in nodes for wireless communication. A first node firstly receives a first signaling, the first signaling being used to indicate a first zone identifier; and then determines whether a first signal is transmitted according to the first zone identifier and a target zone identifier; when the determination result is yes, the first signal is transmitted in a first radio resource set; when the determination result is no, the first signal transmission is cancelled in the first radio resource set; when the first signal is associated with a first reference signal. The present disclosure optimizes determination upon sidelink feedback information transmission by respectively associating the first reference signal and the second reference signal with the second zone identifier and the third zone identifier, thus the spectrum efficiency of sidelink transmission can be improved.

Abstract: In the process of producing a lithium ion battery, one or more compounds of Formula 1, 2, 3 or 4 (e.g., N,N-dimethylpropionamide), is used as the solvent in the step of forming a slurry from an active material (e.g., lithium cobalt oxide), a conductive agent (e.g., carbon black), and a binder polymer (e.g., polyvinylidene fluoride).

Abstract: The disclosure provides a method and a device in a User Equipment (UE) and a base station for multi-antenna communication. The UE first monitors a first signaling set in a first time-frequency resource set, then transmits a first radio signal, and finally monitors a second signaling set and a third signaling set in a second time-frequency resource set and a third time-frequency resource set respectively; the first radio signal is used for triggering a monitoring of the second signaling set; and the first radio signal is used for determining that a number of maximum blind decoding times for the third signaling set in the third time-frequency resource set changes from X1 to X3. Anew blind decoding mechanism is designed through transmitting the first radio signal, thus the number of blind decoding times of the UE is reassigned, the reception complexity and power consumption of the UE are reduced.

Abstract: The present disclosure provides a method and a device in a node used for wireless communications. A first node firstly receives a first signaling and a second signaling, the first signaling indicating a first zone size and a second zone size, while the second signaling indicating a first radio resource pool and a second radio resource pool; and then determines according to the current position whether to transmit a first signal in a first radio resource set; when the first radio resource set is associated with the first radio resource pool, the first zone size is used to determine the current position. By respectively associating the first zone size and the second zone size with the first radio resource pool and the second radio resource pool, the present disclosure manages to optimize the determination of feedback transmission in sidelink, which in turn improves the spectrum efficiency of sidelink transmission.

Abstract: The present disclosure provides a method and device in a node used for wireless communications. A node first receives a first signaling and a second signaling; and the first signaling is used to determine a first time-domain resource set, the second signaling is used to determine a second time-domain resource set; and then respectively transmits a first signal and a second signal in a first time-domain resource subset and a second time-domain resource subset; the first time-domain resource subset is associated with a first reference signal resource, and the second signaling is used to indicate a second reference signal resource; the first bit set is used to generate the first signal and the second signal, the second signaling is used to schedule a second bit block. The present disclosure optimizes the system performance by optimizing the transmission methods and devices when the PUCCH collides with the PUSCH.

Abstract: The disclosure provides a method and device in User Equipment (UE) and base station. The UE receives first configuration information, and then receives a first radio signal and a second radio signal in first time domain resources and second time domain resources respectively. A first bit block is used for generating the first radio signal and the second radio signal. The first configuration information is applied to the first radio signal and the second radio signal. According to the disclosure, the first configuration information is used for configuring both the first radio signal and the second radio signal, and the first radio signal and the second radio signal are received on different time domain resources respectively; therefore, data corresponding to one same bit block can be transmitted through different modes, air interface resources can be fully utilized and the overall spectrum efficiency of the system can be improved.

Abstract: The present disclosure provides a method and a device in a User Equipment (UE) and a base station. The UE transmits M2 first type radio signal(s) in M2 time block(s) of M1 time blocks respectively, and transmits a second type radio signal; the second type radio signal is used to determine at least the former of the M2 time block(s) and M2 first type carrier(s); the M2 first type radio signal(s) is(are) transmitted on the M2 first type carrier(s) respectively; a first bit block is used to generate the M2 first type radio signal(s); the present disclosure designs the second type radio signal, which helps the base station determine a position of a carrier where transmission is actually performed and corresponding time block when narrowband UE performs uplink data transmission on unlicensed frequency spectrum. This further streamlines base station reception and improves uplink transmission performance.

Abstract: The disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communication. The UE first receives K downlink signalings, the K downlink signalings indicating K time-frequency resources respectively; then the UE determines K1 time-frequency resource(s) from the K time-frequency resources, only the K1 time-frequency resource(s) among the K time-frequency resources needing no listening before wireless transmission therein; and finally the UE transmits target information in a target time-frequency resource; wherein the target time-frequency resource is one of the K1 time-frequency resource(s) determined according to a predefined criterion, and the K time-frequency resources are all deployed on unlicensed spectrum.

Abstract: The disclosure provides a method and a device in a node for wireless communication. A first node transmits a target radio signal, and transmits a first signaling and a first radio signal; the target radio signal includes Q index group(s), the Q index group(s) comprises(comprise) Q first-type index(es) respectively, and each of the Q index group(s) includes at least one second-type index associated with a corresponding first-type index; the first signaling schedules the first radio signal, the first signaling includes one second-type index, a first-type index included in a first index group is used for generating the first radio signal, and the first index group is one of the Q index group(s) that includes a same second-type index as the first signaling. By designing the Q index group(s) and the first index group.

Abstract: A node first receives a first signaling and a second signaling, wherein the first signaling and the second signaling are used to determine a first time-domain resource set and a second time-domain resource set; and then transmits a first signal in the first time-domain resource set, and transmits a second signal in a target time-domain resource set; the second time-domain resource set is reserved for transmission of a first bit set, a first bit block comprised in the first bit set being used to generate the second signal; the second time-domain resource set comprises K1 first-type time-domain resource subsets; whether the first time-domain resource set is overlapping with the second time-domain resource set is used to determine time-domain resources comprised in the target time-domain resource set. The present disclosure optimizes the method and device of designs of UCI transmission during PUCCH collisions, thus optimizing the system performance.

Abstract: The present disclosure provides a method and device in a node used for wireless communications. A first node first receives a first signal and a second signal; determines that there exists an overlapping between a first radio resource block and a second radio resource block in time domain; then transmits a first bit block and a second bit block in a third radio resource set; the first bit block and the second bit block are respectively used to indicate whether the first signal and the second signal are correctly received; the first radio resource block and the second radio resource block are respectively reserved for transmitting the first bit block and the second bit block. The application determines different transmission methods of uplink control information according to a value of K1, which reduces the impact caused by the conflict and improves the uplink transmission performance.

Abstract: The present disclosure provides a method and a device in a first node for wireless communication. The first node first performs a monitoring on first-type signalings, in which K1 first-type signalings are detected; and then transmits a first radio signal in a first time-frequency resource set; each of the K1 first-type signalings is associated to the first time-frequency resource set; a first signaling is a last first-type signaling of the K1 first-type signaling; the first radio signal is used for determining the receiving of first-type signaling(s) associated to the first time-frequency resource set before the first signaling; or is used for determining the decoding of bit blocks scheduled by the K1 first-type signalings. With the above-mentioned designs, the present disclosure manages to address missed detection of sidelink scheduling signaling caused when a data receiver sends NACK-only feedback in V2X, thereby further improving the entire system performance.