Abstract: The present application discloses an oil supply device of a compressor, a compressor and a refrigeration equipment, the oil supply device of a compressor comprising: a piston cylinder with an inner chamber, a piston, an outer housing, and an oil intake passage and an oil discharge passage, the oil intake passage comprises an oil intake chamber, an oil inlet and an oil outlet; the side wall of the oil intake chamber has an arcuate flow guide portion to direct flow between the oil inlet and the oil outlet. The application can create a vortex in the oil intake chamber after the oil entering the oil intake chamber from the oil inlet, thereby improving the oil suction efficiency.

Abstract: The present application discloses an oil supply device for a compressor, a compressor, and refrigeration equipment. The oil supply device for a compressor includes: a piston cylinder with an inner chamber, a piston, and an outer housing; the outer housing includes a housing body and a separator, the separator has a separation board and a partition plate, forming an oil chamber between the separation board and the bottom of the housing groove, the partition plate divides the oil chamber into an oil intake chamber and an oil discharge chamber; one end of the piston cylinder extends into the housing groove. This embodiment conveniently realizes the arrangement of the oil intake chamber and the oil discharge chamber on the outer housing.

Abstract: Disclosed is an antibody that specifically binds to a Strep-Tag II tag, and further disclosed are an amino acid sequence of the antibody of the present invention, a cloning or expression vector, a host cell, and a method for expressing or separating the antibody, and also disclosed is a composition comprising the antibody of the present invention. Also disclosed is a method for detecting or purifying a biological sample expressing the Strep-Tag II Tag by means of using the antibody of the present invention.

Abstract: Disclosed is an antibody that specifically binds to BCMA. The antibody comprises a heavy chain variable domain VH, a light chain variable domain VL, and a chimeric antigen receptor that contains the sequence thereof. Further disclosed are the amino acid sequence, a vector, a host cell, and a composition of the antibody or the chimeric antigen receptor of the present invention. Also disclosed is a use of the antibody or the chimeric antigen receptor in the preparation of a drug for the prevention or treatment of diseases.

Abstract: Provided are a stable lentivirus packaging cell line and a preparation method therefor. The stable lentivirus packaging cell line contains a packaging plasmid group consisting of a pPuro.coTetR plasmid, a pVSVG plasmid, and a pGagPol-RRE-NES-cINT plasmid, wherein the pPuro.coTetR plasmid contains a CoTetR gene, the pVSVG plasnid contains a VSVG gene, and the pGagPol-RRE-NES-cINT plasmid contains GagPol and Rev genes. The stable lentivirus packaging cell line is relatively stable in terms of passage, virus production, and a genetic gene copy number, and the lentivirus produced by using the stable lentivirus packaging cell line has a high titer and a low impurity content.

Abstract: The present invention relates to the optimization of a chimeric antigen receptor, in particular, the modification am intracellular co-stimulatory domain.

Abstract: The present invention relates to the optimization of a chimeric antigen receptor, in particular, the modification of an intracellular signaling domain.

Abstract: Provided are a control method for a heating unit, the heating unit, and a refrigerating and freezing apparatus. The control method includes: acquiring a forward power signal output from an electromagnetic wave generation module and a reverse power signal returned to the electromagnetic wave generation module; calculating an electromagnetic wave absorption rate of an item to be treated according to the forward power signal and the reverse power signal; and adjusting a rotation speed of a cooling fan according to a power value of the forward power signal and the electromagnetic wave absorption rate.

Abstract: Provided are Aa method for controlling the temperature of a refrigerator, and a refrigerator. A refrigerato, comprising a cabinet, a thawing chamber, a refrigeration system and a micro-air-duct rotary disc (180), wherein a storage compartment is defined by the cabinet, and comprises a storage area and a thawing area, the thawing chamber is arranged in the thawing area The refrigeration system is started to generate cold airflow when the temperature of the storage area is greater than or equal to a preset storage start-up temperature threshold value, the guiding direction of the cold airflow is determined by means of comparing the temperature of the thawing chamber with a preset thawing shutdown temperature threshold value, and the directional guidance of the cold airflow is completed by means of the micro-air-duct rotary disc .

Abstract: Provided are a control method for a refrigerating and freezing device, and the refrigerating and freezing device. The refrigerating and freezing device includes a cabinet provided with a groove communicating with a surrounding environment and sunken inwards, and at least one fan for promoting air of the surrounding environment to flow into the groove. The control method includes: judging whether a temperature in the groove is less than or equal to a dew point temperature; and if yes, controlling the fan to operate at a first preset rotation speed. The temperature in the groove is increased by controlling the fan to operate to introduce hot air of the surrounding environment into the groove when the temperature in the groove is less than or equal to the dew point temperature, which avoids condensation in the groove and improves safety and reliability of electrical parts in the groove.

Abstract: A method for simultaneously determining fat-soluble vitamins and carotenoids in serum, and belonging to the technical field of analytical chemistry, includes an ionic liquid (IL) or a binary mixed solvent composed of an IL and another solvent is adopted as an extractant; the biological samples are pre-treated by liquid-liquid extraction (LLE) and then detected by high-performance liquid chromatography (HPLC); retinyl acetate and trans-?-apo-8?-carotenal are adopted as the internal standards for fat-soluble vitamins and carotenoids, respectively; and the internal standard method is adopted to establish standard curves for quantification based on the retention time and the UV-Vis absorption spectrum. Compared with the existing methods, in the disclosure, the pretreatment process is simple and easy to be conducted, the sample can be prepared in a short time, and the toxic and harmful organic solvent is used at a reduced amount.

Abstract: A method for simultaneously determining fat-soluble vitamins and carotenoids in serum, and belonging to the technical field of analytical chemistry, includes an ionic liquid (IL) or a binary mixed solvent composed of an IL and another solvent is adopted as an extractant; the biological samples are pre-treated by liquid-liquid extraction (LLE) and then detected by high-performance liquid chromatography (HPLC); retinyl acetate and trans-?-apo-8?-carotenal are adopted as the internal standards for fat-soluble vitamins and carotenoids, respectively; and the internal standard method is adopted to establish standard curves for quantification based on the retention time and the UV-Vis absorption spectrum. Compared with the existing methods, in the disclosure, the pretreatment process is simple and easy to be conducted, the sample can be prepared in a short time, and the toxic and harmful organic solvent is used at a reduced amount.

Abstract: Disclosed is a refrigerator adopting a linear compressor and a control method thereof. The method includes: monitoring the temperature of an evaporator of the refrigerator; if the current temperature of the evaporator of the refrigerator is greater than or equal to a first preset temperature threshold, then invoking a noise reduction mode to actively reduce the heat exchange amount between the evaporator and a compartment of the refrigerator until the current temperature of the evaporator of the refrigerator is smaller than or equal to a second preset temperature threshold, and invoking a cooling mode to resume the normal heat exchange between the evaporator and the compartment of the refrigerator, wherein the first preset temperature threshold is higher than the second preset temperature threshold.

Abstract: A refrigeration control method and a refrigerator. The refrigeration control method for a refrigerator comprises: acquiring the refrigeration state of a first evaporator and the refrigeration state of a second evaporator; when the first evaporator performs refrigeration, acquiring the temperature of a second compartment; when the temperature of the second compartment is greater than the starting temperature of the second compartment and the difference therebetween is less than a first preset threshold, acquiring the temperature of a first compartment and determining whether the temperature of the first compartment is less than a preset first reference temperature, the first reference temperature being calculated according to the starting temperature of the first compartment and a set adjustment temperature; and when the temperature of the first compartment is less than the first reference temperature, switching the refrigerator into a state where the second evaporator performs refrigeration.

Abstract: A control method and control system of a refrigerator with an inverter compressor. The control method includes: calculating the total cooling amount needed by a compartment to be cooled within a unit time; taking the total cooling amount as a first power of the inverter compressor and calculating a first frequency of the inverter compressor operating at the first power; and controlling the inverter compressor to operate at the first frequency. The present invention effectively controls the power consumption amount while satisfying the refrigerator cooling condition by calculating the total cooling amount needed by a refrigerator compartment within a unit time and adjusting the frequency of the inverter compressor.

Abstract: The invention provides a refrigerator, comprising a top air passage provided at a top wall of the storage compartment and connected with the refrigeration air passage to receive refrigeration air therefrom; an air guiding pipe comprising an air inlet end connected with the top air passage, an air outlet end for supplying air to the storage compartment, and an air outlet opening downwards; and a first air supply device configured to cause air flow to enter the air guiding pipe via the top air passage, such that the refrigeration air flowing into the top air passage from the refrigeration air passage is blown downwards in a concentrated manner via the air guiding pipe.

Abstract: The present invention discloses a refrigerator controlling method and system with a linear compressor. The method comprises: monitoring an environment temperature T of the refrigerator located in the environment comparing the environment temperature T with a preset environment temperature threshold T0; if T is larger than T0, controlling a refrigerating unit and/or a heating unit in the refrigerator such that the refrigerator runs under a first operation condition; and if T is smaller than or equal to T0, controlling the refrigerating unit and/or the heating unit in the refrigerator such that the refrigerator runs under a second operation condition. When the linear compressor runs within predetermined time, a refrigeration amount of the linear compressor under the second operation condition is controlled to be larger than a refrigeration amount of the linear compressor under the first operation condition, such that a compartment of the refrigerator reaches a target temperature.

Abstract: A bent pipe and a semiconductor refrigerator having the same are provided. The bent pipe for a fluid to flow therein includes a plurality of bent portions; a plurality of connecting pipe sections, each connecting two adjacent bent portions; and a retention member, which is successively fixed at different locations along the length thereof to the bent portions on the same side of the bent pipe. At least some of the pipe sections of the bent pipe can be kept in the bent shape by a retention member.

Abstract: The present invention discloses a refrigerator control method and system using a linear compressor. The control method comprises: monitoring an ambient temperature T of a refrigerator; comparing the ambient temperature T with a preset ambient temperature threshold T0; if T is greater than T0, controlling an output power of the linear compressor to be a preset first output power, and if T is smaller than or equal to T0, controlling the output power of the linear compressor to be a preset second output power, which is greater than the preset first output power. In the present invention, by increasing the stroke of the piston inside the linear compressor through controlling the output power of the linear compressor, the refrigerator can be guaranteed to work normally by avoiding protection of the linear compressor by the frequency converting board.

Abstract: A sintered heat tube and a semiconductor cooling refrigerator having the same, the sintered heat tube comprises: a main tube segment with its both ends closed, and a manifold tube segment/manifold tube segments extending from one or more portions of one side of the main tube segment (respectively), wherein a work chamber of each manifold tube segment communicates with that of the main tube segment. In the sintered heat tube and the semiconductor cooling refrigerator having the sintered heat tube of the present invention, as the sintered heat tube includes manifold tube segments, the sintered heat tube of the present invention greatly improves the heat radiating or cold transferring efficiency. The sintered heat tube is particularly suitable for heat radiation of heat sources of a high heat flow density such as semiconductor cooling plates.