Abstract: A caffeoylquinic acid-rich extract obtained from Erigeron multiradiatus and a method for producing the same. A caffeoylquinic acid-rich extract includes at least 15% by weight of a mixture of certain caffeoylquinic acids. The extract with the mixture of caffeoylquinic acids is highly efficacious in treating and preventing myocardial ischemia or myocardial ischemia reperfusion injuries. A method for treating or preventing a disease caused by myocardial ischemia or myocardial ischemia reperfusion includes administering a therapeutically effective amount of the caffeoylquinic acid-rich extract to a subject. Pharmaceutical compositions including the caffeoylquinic acid-rich extract are also disclosed.

Abstract: A heat exchange plate for a plate-type heat exchanger and a plate-type heat exchanger provided with said heat exchange plate. The heat exchange plate includes an opening used to form an end opening, a plurality of protrusions arranged around at least a portion of the opening along a circular line along the opening, the plurality of protrusions protruding towards one side of a plate plane; transition portions arranged between at least two neighbouring protrusions, the transition portions being located on one side of the plate plane, and being a preset distance from the plate plane. The distance from the tops of the protrusions to the plate plane is greater than the distance from the lowest points of the transition portions to the plate plane.

Abstract: A heat exchanging board (1) and a board-type heat exchanger provided with the heat exchanging board (1). The heat exchanging board (1) comprises a board main body (11). Multiple recessed portions (12) and multiple raised portions (13) are disposed on the surface of the board main body (11). The multiple recessed portions (12) and the multiple raised portions (13) are disposed in a staggered manner along a first direction (S1) and are disposed in a staggered manner along a second direction (S2) perpendicular to the first direction (S1). Top portions of the multiple raised portions (13) are provided slender forms along the first direction (S1). The heat exchanging board (1) and the board-type heat exchanger provided with the heat exchanging board (1) can ensure good strength of the heat exchanger in the case of ensuring the heat exchanging efficiency, and can reduce manufacturing cost of the heat exchanging board (1).

Abstract: The present application provides a chamfer removing device for wheels. The device may be used for removing a bolt hole chamfer on flange side of back cavity of a wheel in hub machining process. Drill bits are spaced a certain height from the flange side of the wheel by adjusting the relative height of an external thread guiding sleeve in an internal thread guiding sleeve, a motor and gears drive the drill bits to rotate, and a cylinder and a sliding box drive the drill bits to move up and down so as to realize chamfer removing function.

Abstract: Provided are a reinforcer (30) used for a plate heat exchanger (100) and a plate heat exchanger (100), the reinforcer (30) being used to reinforce an area around an opening (13) of at least one heat exchange plate (10). The plate heat exchanger (100) comprises multiple heat exchange plates (10); a heat exchange space formed between adjacent heat exchange plates (10) of the multiple heat exchange plates (10); a heat exchange channel (11) formed between the heat exchange plates (10), wherein the heat exchange channel (11) is used for a heat exchange medium to flow into or out of the plate heat exchanger (100), and is constituted by openings (13) in the multiple heat exchange plates (10); and a reinforcer (30), used to reinforce an area around an opening (13) in at least one heat exchange plate (10).

Abstract: A heat-exchanging plate (20), and plate heat exchanger (100) using same. The heat-exchanging plate (20) comprises concave locations (22) and/or convex locations (23). In at least one partial region of the heat-exchanging plate (20), a transitional curved surface between at least two adjacent concave location (22) and/or convex location (23) is configured to be controllable.

Abstract: The present invention provides an analytical method for precipitated particles during co-precipitation reaction, comprising: running a co-precipitation reaction in a reaction vessel to form a precipitated product; injecting a tracking metal to the reaction vessel for a given time duration; collecting the precipitated product containing the tracking metal from the reaction vessel in increments of time to obtain multiple product samples; filtering each collected product sample to separate precipitated particles from filtrate; performing elemental analysis for the tracking metal in the precipitated particles of each collected product sample, to obtain the residence time distribution of the precipitated particles in the reaction vessel according to the concentration of the tracking metal in the precipitated particles.

Abstract: Provided is a device for preparing a large-sized high-quality aluminium alloy ingot, which is mainly composed of a uniform cooler, a hot top, an oil-gas lubrication mold, an induction coil and a dummy ingot, wherein the hot top is arranged above the oil-gas lubrication mold, the induction coil is arranged outside the oil-gas lubrication mold, the uniform cooler is arranged inside the oil-gas lubrication mold, and the dummy ingot is arranged below the oil-gas lubrication mold. Further provided is a method for preparing a large-sized high-quality aluminium alloy ingot. The device combines a partitioned gas supply mold with the uniform cooler and an electromagnetic stirrer, and the effective coupling of the three achieves forced and uniform solidification forming of a melt under gas pressure contact conditions, such that a stable and continuous gas film is formed between the melt and the mold. The ingot has a smooth surface, and a fine and uniform internal structure.

Abstract: The present application provides a chamfer removing device for wheels. The device may be used for removing a bolt hole chamfer on flange side of back cavity of a wheel in hub machining process. Drill bits are spaced a certain height from the flange side of the wheel by adjusting the relative height of an external thread guiding sleeve in an internal thread guiding sleeve, a motor and gears drive the drill bits to rotate, and a cylinder and a sliding box drive the drill bits to move up and down so as to realize chamfer removing function.

Abstract: Disclosed in the present invention is a refrigeration system, comprising: an evaporator and a condenser connected by a pipeline, wherein: at least one of the evaporator and the condenser comprises a heat exchange tube, the heat exchange tube comprising a first channel and a second channel, and the first channel and the second channel of the heat exchange tube forming different flow paths of the refrigeration system.

Abstract: The present invention relates to use of an amino-containing neutral phosphine extractant of Formula I in extraction and separation of thorium, and a process of extracting and separating thorium using the amino-containing neutral phosphine extractant of Formula I, wherein, R1 and R2 are each independently selected from the group consisting of C1-C12 alkyl, R3 and R4 are each independently selected from the group consisting of C1-16 alkyl and hydrogen, and n is an integer of 1 to 8.

Abstract: A heat exchange tube (51) for a heat exchanger, heat exchanger and assembly method thereof. The heat exchange tube (51) is a combined heat exchange tube having a space (55) at its center, and the space (55) is configured to accommodate an insertion member (57), such that the combined heat exchange tube is expanded in and joined with a corres-ponding fin hole (53) in a heat exchanger. The solution addresses the problem of expansion and assembly between a fin and a heat ex-change tube that is minute or has a small inner diameter without employing a brazing process, thus reducing manufacturing costs.

Abstract: The invention relates to the field of pulse diagnosis technology, more particularly, to a Bluetooth pulse diagnosis bracelet and a method for transmitting pulse data; the Bluetooth pulse diagnosis bracelet comprises: an acquisition unit and a Bluetooth transmission unit; the Bluetooth transmission unit further comprises: an information acquisition module and a transmission module; the method comprises: STEP S1, the Bluetooth pulse diagnosis bracelet monitoring the pulse data in real time; STEP S2, the Bluetooth pulse diagnosis bracelet acquiring the Bluetooth control information sent from the remote-connected intelligent terminal; STEP S3, the Bluetooth pulse diagnosis bracelet determining the meanings of the Bluetooth control information, and when the Bluetooth control information represents the communication is permitted, going to Step 4; STEP S4, the Bluetooth pulse diagnosis bracelet transmits the pulse data to the intelligent terminal according to the method of Bluetooth transmission.

Abstract: There is provided a method for determining a noise exposure level associated as the cause of an observed evolution of hearing acuity of an individual of known gender.

Abstract: The present invention relates to use of an amino-containing neutral phosphine extractant of Formula I in extraction and separation of thorium, and a process of extracting and separating thorium using the amino-containing neutral phosphine extractant of Formula I, wherein, R1 and R2 are each independently selected from the group consisting of C1-C12 alkyl, R3 and R4 are each independently selected from the group consisting of C1-16 alkyl and hydrogen, and n is an integer of 1 to 8.

Abstract: A heat exchange plate used for a plate-type heat exchanger. The heat exchange plate comprises: a heat exchange part (10); multiples protrusions (14) that protrude from a plate plane (12) to at least one side of the plate plane (12) in the heat exchange part (10), the multiple protrusions (14) being aligned along multiple lines; and a transition part (16) that is between adjacent protrudes (14) aligned along a line and that protrudes to at least one side of the plate plane (12), the size of the top of each protrusion (14) in a direction perpendicular to the line being larger than the size of the top of the transition part (16). Strength of the heat exchange plate of the plate-type heat exchanger is improved by increasing the size of a welding part or a bearing part.

Abstract: Disclosed is an energy-saving and environment-friendly device for a communication system equipment, the device includes: a thermoelectric conversion module, arranged on a surface of or in proximity to a high-power module of the communication system equipment, configured to convert thermal energy of the high-power module into electric energy; and an electric power storage device, connected directly to the thermoelectric conversion module or connected thereto via a switch, configured to be charged using electric energy supplied by the thermoelectric conversion module.

Abstract: A heat exchange plate for a plate-type heat exchanger and a plate-type heat exchanger provided with said heat exchange plate. The heat exchange plate comprises: an opening (11) used to form an end opening; a plurality of protrusions (12) arranged around at least a portion of the opening (11) along a circular line along the opening (11), the plurality of protrusions (12) protruding towards one side of a plate plane (15); transition portions (16) arranged between at least two neighbouring protrusions (12), the transition portions (16) being located on one side of the plate plane (15), and being a preset distance from the plate plane (15). The distance from the tops of the protrusions (12) to the plate plane is greater than the distance from the lowest points of the transition portions (16) to the plate plane.

Abstract: Visualization for managing multiple IP address management systems is provided. In some embodiments, visualization for managing multiple IP address management systems for an IP address management manager system includes communicating with a plurality of IP address management systems to determine IP address management information managed by each of the IP address management systems; and generating a graphical visualization of an IP address space managed by the plurality of IP address management systems based on the IP address management information managed by each of the IP address management systems, in which the graphical visualization of the IP address space managed by the plurality of IP address management systems indicates any gaps or overlaps in the IP address space managed by the plurality of IP address management systems.

Abstract: The disclosure relates to an automatic gain adjustment and control method and device for eliminating the interference between the GSM and the LTE in the MSR receiver. The method comprises: in an MSP receiver, an upper threshold and a lower threshold which are used for starting up gain control function are set; the ADC power of an ADC of the MSP receiver is detected when LTE OFDM starts; the detected ADC power is compared with the upper threshold and the lower threshold respectively; and based on that the comparison result is that the ADC power is larger than the upper threshold or is smaller than the lower threshold, the gain control function of the MSP receiver is started up, and otherwise, the gain control function of the MSP receiver is not started up. The disclosure can control the LTE and GSM signal power within a certain range.