Abstract: A method, device, terminal and storage medium for data verification is disclosed. The method includes: obtaining package information to be verified and a corresponding definer of the package information; calculating a deviation degree of the package information according to a predetermined matching algorithm based on an operation authority and a historical definition data of the definer, the deviation degree reflects an accuracy of the package information defined by the definer; outputting a prompt message to prompt the definer to verify the package information if the deviation degree is greater than a preset deviation standard value, so that a preliminary verification to the package information newly defined by the salesman is realized; the salesman is further prompted to check the package information according to the verification results, thereby effectively reducing the error rate of package information and the impact of incorrect definer on sales amount.

Abstract: A method and device for modulating a five-level inverter, and a photovoltaic system are provided. The method includes: acquiring a voltage command value Vcmd of a phase bridge; controlling a first and a fourth switching devices to be switched on alternately when Vcmd?V1Pos+Vthrs1; controlling the first and a third switching devices to be switched on alternately when V1Pos?Vthrs2?Vcmd<V1Pos+Vthrs1; controlling the fourth and the third switching devices to be switched on alternately when 0?Vcmd<V1Pos?Vthrs2; controlling the third and a fifth switching devices to be switched on alternately when ?V1Neg+Vthrs3?Vcmd<0; controlling the third and a second switching devices to be switched on alternately when ?V1Neg?Vthrs4?Vcmd<?V1Neg+Vthrs3; controlling the fifth and the second switching devices to be switched on alternately when Vcmd<?V1Neg?Vthrs4.

Abstract: Methods for operating a wind turbine system are provided. In one embodiment, a method includes adjusting a threshold direct current (DC) bus voltage for a dynamic brake in a wind turbine power converter above a reference DC bus voltage based on at least one system condition. The method further includes gating the dynamic brake on when an experienced DC bus voltage is equal to or greater than the threshold DC bus voltage, and inputting a dynamic brake condition into a controller when the dynamic brake is gated on. The method further includes determining if a grid fault has occurred, reducing power generation of the wind turbine if no grid fault has occurred, and blocking the power converter if a grid fault has occurred. The method further includes gating the dynamic brake off when the experienced DC bus voltage is less than the threshold DC bus voltage.

Abstract: The present invention relates to a battery. The battery includes: a detecting apparatus, located inside the battery and on an anode or cathode end of the battery, and configured to detect an electric potential inside the battery; and a conducting wire, electrically connected to the detecting apparatus and insulated from the anode and cathode of the battery, and configured to export a value of the electric potential measured by the detecting apparatus. The battery according to embodiments of the present invention is provided with a built-in detecting apparatus, which is led out together with the anode and cathode of the battery by using the conducting wire electrically connected to the detecting apparatus. This design achieves accurate and reliable measurement of a potential at a single electrode.

Abstract: A container is adapted for use in a blender, and includes a surrounding wall surrounding an axis, defining a receiving space, and having an inner surface that faces the receiving space and that has spaced-apart bottom and top edges. The container further includes a plurality of turbulence ridges protruding from the inner surface of the surrounding wall into the receiving space. Each of the turbulence ridges extends from the bottom edge toward the top edge of the inner surface and extends spirally about the axis.

Abstract: According to an aspect, a method for key-value storage includes determining whether a data size of a first set comprising data and a key stored in a first area or a second area of a first storage unit is larger than a threshold determined for the first area or the second area in which the first set is stored, as a first execution condition. The method further includes determining whether a degree of collisions of a hash value indicating a storage location of the first set in the first area of the first storage unit is greater than a predetermined threshold, as a second execution condition. When the set satisfies either of the first or second execution conditions, the method includes the first set in the second area.

Abstract: A method and device for switching an operation mode of a five-level inverter are provided. The method includes: determining a first three-level operation mode as a three-level operation mode to be switched to from a five-level operation mode in a case that a PV input voltage is higher than a bridge line-line voltage command value; switching, after the operation mode is switched to the first three-level operation mode, the operation mode from the first three-level operation mode to a second three-level operation mode, in a case that a junction temperature of a switching device operating in the first three-level operation mode exceeds a first preset value; and switching the operation mode from the second three-level operation mode to the first three-level operation mode in a case that the junction temperature of a switching device operating in the second three-level operation mode exceeds a second preset value.

Abstract: According to an aspect, a key-value store (KVS) system includes a data management unit that stores a data KVS storing a pair of a data KVS key including information on a storage location of application data to be an access target object and the application data; and a key KVS storing a pair of an application key and the data KVS key. The data KVS includes a normal partition in which a size of a record for storing one pair is a predetermined specific size; and a special partition in which the size of the record for storing one pair is a size set according to a data size of the pair to be stored. A data relocation unit relocates a pair of a relocation target object to the special partition having the record size suitable for the data size of the pair.

Abstract: Provided is an overvoltage protection device for protecting a wind turbine against overvoltage. The device includes a double fed induction generator (DFIG) including a rotor connection including a plurality of electrical connections coupled to rotor leads of the DFIG and a stator connection including a plurality of electrical connections coupled to stator leads of the DFIG. Also included is a self-triggering circuit coupled with the rotor connection and operative in response to changes in a utility grid voltage during a grid fault when an overvoltage event is detected such that the overvoltage protection circuit automatically operates, independently of a controller or a sensor, to reduce the detected overvoltage to a predetermined voltage level.

Abstract: A time-triggered Ethernet (TTE)-based data transmission method and node device, solving the problem of wasting network bandwidth resources in the prior art during TTE-based data transmission; in the method, a main node determines a scheduling period table based on a time-triggered packet; when a node has a to-be-transmitted event-triggered packet, and the node determines, according to the information stored in the scheduling period table, that a physical link occupied by the event-triggered packet is not in conflict with a physical link corresponding to the current time slot, the node transmits the event-triggered packet in the current time slot. The main node does not need to separately allocate time for the event-triggered packet of each node.

Abstract: The present invention provides compound extracted from Garcinia species and the use of said compound in preventing and treating cancer.

Abstract: The present invention provides compound extracted from Garcinia species and the use of said compound in preventing and treating cancer.

Abstract: A four-junction quaternary compound solar cell and a method thereof are provided. Forming a first subcell (100) with a first band gap, a lattice constant matching with the substrate on an InP grown substrate, forming a second subcell (200) with a second band gap bigger than the first band gap, a lattice constant matching with the substrate on the first subcell, forming a graded buffer layer (600) with a third band gap bigger than the second band gap on the second subcell, forming a third subcell (300) with a fourth band gap bigger than the third band gap, a lattice constant smaller than the substrate on the graded buffer layer, forming a fourth subcell (400) with a fifth band gap bigger than the fourth band gap, a lattice constant matching with the third subcell on the third subcell, and then forming the required four-junction solar cell then by succeeding process including removing the grown substrate, bonding a support substrate, forming electrodes, evaporating an anti-reflect film and so on.

Abstract: A method and device for switching an operation mode of a five-level inverter are provided. The method includes: determining a first three-level operation mode as a three-level operation mode to be switched to from a five-level operation mode in a case that a PV input voltage is higher than a bridge line-line voltage command value; switching, after the operation mode is switched to the first three-level operation mode, the operation mode from the first three-level operation mode to a second three-level operation mode, in a case that a junction temperature of a switching device operating in the first three-level operation mode exceeds a first preset value; and switching the operation mode from the second three-level operation mode to the first three-level operation mode in a case that the junction temperature of a switching device operating in the second three-level operation mode exceeds a second preset value.

Abstract: A method and device for modulating a five-level inverter, and a photovoltaic system are provided. The method includes: acquiring a voltage command value Vcmd of a phase bridge; controlling a first and a fourth switching devices to be switched on alternately when Vcmd?V1Pos+Vthrs1; controlling the first and a third switching devices to be switched on alternately when V1Pos?Vthrs2?Vcmd<V1Pos+Vthrs1; controlling the fourth and the third switching devices to be switched on alternately when 0?Vcmd<V1Pos?Vthrs2; controlling the third and a fifth switching devices to be switched on alternately when ?V1Neg+Vthrs3?Vcmd<0; controlling the third and a second switching devices to be switched on alternately when ?V1Neg?Vthrs4?Vcmd<?V1Neg+Vthrs3; controlling the fifth and the second switching devices to be switched on alternately when Vcmd<?V1Neg?Vthrs4.

Abstract: Methods for operating a wind turbine system are provided. In one embodiment, a method includes adjusting a threshold direct current (DC) bus voltage for a dynamic brake in a wind turbine power converter above a reference DC bus voltage based on at least one system condition. The method further includes gating the dynamic brake on when an experienced DC bus voltage is equal to or greater than the threshold DC bus voltage, and inputting a dynamic brake condition into a controller when the dynamic brake is gated on. The method further includes determining if a grid fault has occurred, reducing power generation of the wind turbine if no grid fault has occurred, and blocking the power converter if a grid fault has occurred. The method further includes gating the dynamic brake off when the experienced DC bus voltage is less than the threshold DC bus voltage.

Abstract: A time-triggered Ethernet (TTE)-based data transmission method and node device, solving the problem of wasting network bandwidth resources in the prior art during TTE-based data transmission; in the method, a main node determines a scheduling period table based on a time-triggered packet; when a node has a to-be-transmitted event-triggered packet, and the node determines, according to the information stored in the scheduling period table, that a physical link occupied by the event-triggered packet is not in conflict with a physical link corresponding to the current time slot, the node transmits the event-triggered packet in the current time slot. The main node does not need to separately allocate time for the event-triggered packet of each node.

Abstract: Methods for expansion of antigen-specific T cells are provided. Said methods include following steps: generating antigen-specific T cells by stimulation of T cells with antigen A; introducing genes encoding immune recognition molecule specific to major histocompatibility complex (MHC) molecule bound with a peptide derived from antigen B into the antigen A specific T cell to produce bi-specific T cells recognizing both target cells expressing antigen A peptide associated MHC and target cells expressing antigen B peptide associated MHC; stimulating the bi-specific T cells by antigen A for expansion of the bi-specific T cells in vitro or in vivo. Methods of the present invention can be applied to expand various of T cells with specific to cancer cells with tumor antigen peptide loaded MHC molecules for adoptive therapy against unmet medical need such as tumors etc.

Abstract: According to an aspect, a key-value store (KVS) system includes a data management unit that stores a data KVS storing a pair of a data KVS key including information on a storage location of application data to be an access target object and the application data; and a key KVS storing a pair of an application key and the data KVS key. The data KVS includes a normal partition in which a size of a record for storing one pair is a predetermined specific size; and a special partition in which the size of the record for storing one pair is a size set according to a data size of the pair to be stored. A data relocation unit relocates a pair of a relocation target object to the special partition having the record size suitable for the data size of the pair.

Abstract: A fabrication method for high-efficiency multi junction solar cells, including: providing a Ge substrate for semiconductor epitaxial growth; growing an emitter region over the Ge substrate (as the base) to form a first subcell with a first band gap; forming a second subcell with a second band gap larger than the first band gap and lattice matched with the first subcell over the first subcell via MBE; forming a third subcell with a third band gap larger than the second band gap and lattice matched with the first and second subcells over the second subcell via MOCVD; and forming a fourth subcell with a fourth band gap larger than the third band gap and lattice matched with the first, second and third subcells over the third subcell via MOCVD.