Abstract: Disclosed is a system for segmented simultaneous water injection and oil recovery through double pipes in horizontal section, comprising several packers, several oil-extracting mechanisms and several water-injection mechanisms, wherein each of the packers, each of the oil-extracting mechanisms, and each of the water-injection mechanisms has an injection channel and a production channel, when several packers, several oil-extracting mechanisms and several water-injection mechanisms are combined, each of the injection channels is connected in turn, and each of the production channels is also connected in turn, the oil-extracting mechanism can extract oil through the production channel, the water-injection mechanism can inject water through the injection channel. The beneficial effects of this disclosure include: the oil in the oil production section can be produced while the water injection section is injected with water.

Abstract: Embodiments of the present invention provide a communication method and a communications apparatus. The method includes: receiving configuration information of at least one frequency resource group, and receiving, by using at least one beam, a downlink signal on a corresponding frequency resource in the at least one frequency resource group, wherein each frequency resource group comprises at least two frequency resources, each frequency resource corresponds to at least one beam, and the configuration information comprises an identifier of each frequency resource group and an identifier of each frequency resource; and when it is detected based on the downlink signal that a beam associated with a first frequency resource in the frequency resource group fails, sending a beam recovery request on a second frequency resource in the frequency resource group. Correspondingly, a corresponding apparatus is further disclosed.

Abstract: A peptide-crosslinked protein-imprinted polymer, preparation method, and application thereof. One method comprises: 1) dissolving a main monomer, functional monomers, a peptide crosslinking agent, and a template protein in an aqueous solution to obtain a mixed solution; 2) adding an initiator or initiator system to the mixed solution to initiate the polymerization when the peptide crosslinking agent exists in a helix conformation to obtain a polymer; 3) eluting the template protein when the peptide chain exists in a coil conformation to obtain a peptide-crosslinked protein-imprinted polymer. The peptide crosslinking agent is a peptide with a polymerizable double bond at its both ends, and being capable of undergoing helix-coil transition. The polypeptide crosslinking agent is a polypeptide having an amino acid sequence which has a polymerizable double bond at its both ends, being capable of undergoing a helix-coil conformational transformation.

Abstract: The present invention relates to a synchronous sampling and measuring system and a method thereof for flue gas partition. The system includes a detection device arranged at an SCR outlet for simultaneous detection of flue gas from the pipelines in different areas, wherein the detection device is connected to a speed measurement device for measuring the speed of flue gas, the speed measurement device is connected to a central control unit and one end of a valve group, respectively, the other end of the valve group is connected to an air extracting device and a dilution unit, respectively, the control end of the valve group and the control end of the air extracting device are connected to a central control unit, respectively, the dilution unit is connected to a CEMS analyzer.

Abstract: A peptide-crosslinked protein-imprinted polymer, preparation method, and application thereof. One method comprises: 1) dissolving a main monomer, functional monomers, a peptide crosslinking agent, and a template protein in an aqueous solution to obtain a mixed solution; 2) adding an initiator or initiator system to the mixed solution to initiate the polymerization when the peptide crosslinking agent exists in a helix conformation to obtain a polymer; 3) eluting the template protein when the peptide chain exists in a coil conformation to obtain a peptide-crosslinked protein-imprinted polymer. The peptide crosslinking agent is a peptide with a polymerizable double bond at its both ends, and being capable of undergoing helix-coil transition. The polypeptide crosslinking agent is a polypeptide having an amino acid sequence which has a polymerizable double bond at its both ends, being capable of undergoing a helix-coil conformational transformation.

Abstract: A catalyst component for ethylene polymerization, including an inorganic oxide support, and at least one alkyl metal compound, at least one halide, at least one dihydrocarbyl magnesium compound, at least one difunctional compound that reacts with the dihydrocarbyl magnesium compound and at least one titanium compound, wherein the difunctional compound is a mono-, di- or multi-halogenated alcohol or phenol having from 2 to 20 carbon atoms; or a mono-, di- or multi-halogenated acyl halide having from 2 to 20 carbon atoms. Also, a process for preparing the catalyst component and use thereof.

Abstract: The invention provides a catalyst component for ethylene polymerization, comprising an inorganic oxide support, and at least one alkyl metal compound, at least one halide, at least one dihydrocarbyl magnesium compound, at least one difuntional compound that reacts with the dihydrocarbyl magnesium compound and at least one titanium compound. The invention also relates to a process for preparing the catalyst component and use thereof. The catalyst comprising the catalyst component exhibits good hydrogen response and activity balance, and that the amount of static charges carried by the catalyst solid component powders is remarkably reduced will facilitate the industrial-scale operation of polymerization.