玩具（吉祥物小麟妹）

Liver disease cognitive system based on electronic medical record

The invention belongs to the technical field of computer-aided diagnosis and treatment, and discloses an electronic medical record-based liver disease cognitive system, which comprises a medical record information integration module, a pathological feature extraction module, an electronic medical record processing module, a comparison module and an information interaction module. On the basis of information collection, storage and centralized management of electronic medical records of patients, the electronic medical records are subjected to unified integration and resource integration to obtain a data set, pathological features related to liver disease cases are extracted from the data set, feature nodes are marked for the pathological features, and the pathological features are classified into the data set. The key contrast points are extracted from the to-be-authenticated electronic medical record based on the feature nodes, the key contrast points are compared with the feature nodes ...

羽绒服套装（7）

Submarine greenhouse gas filtering method and device based on carbon dioxide dark fixation

The invention discloses a seabed greenhouse gas filtering method and device based on carbon dioxide dark fixation. The method comprises the following steps: (1) fixation of carbon dioxide; (2) fixing methane; (3) when the carbon dioxide gas saturation of the carbon dioxide dark fixing layer is too high, the carbon dioxide gas is extracted and exhausted through a first exhaust device; (4) when the methane gas saturation of the methane consumption conversion layer is too high, extracting and discharging the methane gas through a second exhaust device; the device comprises a first gas injection pretreatment device, a second gas injection pretreatment device, a first spiral gas dispersing device, a second spiral gas dispersing device, a first exhaust device and a second exhaust device. On the basis of a working mechanism of carbon dioxide dark fixation driven by methane anaerobic oxidation, consumption and conversion fixation of methane and carbon dioxide are realized on the seabed, and the ...

Novel relief valve sealed firmly

... 本实用新型公开了种新型硬密封安全阀，包括阀壳和具有进液孔的进液接头，还包括设置于所述阀壳内的阀芯组件，阀壳的侧壁上设有沿周向均匀分布的四个排液孔，阀芯组件包括均采用金属材质制成的阀座和阀芯，阀座和阀芯的材质均为9Cr18MoV钢，阀座具有用于连通所述进液孔与排液孔的过液孔，阀芯为可移动的设置于阀座内且用于控制过液孔的开闭。阀芯和阀座均采用金属材质制成，阀芯与阀座之间实现金属环线硬密封接触，密封可靠性大大提高，密封性能好，而且设置阀芯组件用于控制进液孔至排液孔的油路的通断，可实现大流量溢流，安全阀流量大大提高，短时间的快速溢流可以缩小阀芯组件的轴向位移，最终可以降低压力波动。 ...

HYDROXAMIC ACID COMPOUND AND USE THEREOF IN PREPARING MEDICATIONS FOR INHIBITING CANCER CELL PROLIFERATION AND/OR TREATING CANCERS

A hydroxamic acid compound as indicated in formula (I), and a use thereof in preparing medications for inhibiting cancer cell proliferation and/or treating cancers. The substituents A-D are as defined in the description. The hydroxamic acid compound can inhibit cancer cell proliferation, and has excellent inhibition performance in particular against the activity of human skin melanoma cells (A375), human lung cancer cells (A549), human gastric cancer cells (MGC80-3), human esophageal cancer cells (TE-1), and human hepatoma cells (HepG2).

Bridge crack detection system and method based on machine vision

The invention provides a bridge crack detection system and method based on machine vision, and the system comprises a crack detection image obtaining module which is used for obtaining a preset crack detection image corresponding to a target bridge; the image acquisition route planning module is used for planning an image acquisition route based on the crack detection image; the image acquisition control module is used for controlling the unmanned aerial vehicle to perform image acquisition on the target bridge based on the image acquisition route to obtain an acquired image; and the crack detection module is used for carrying out crack detection according to the collected image based on machine vision and outputting a detection result. The unmanned aerial vehicle is controlled to perform image acquisition on the target bridge, and crack detection is performed based on machine vision according to the acquired image acquired by the unmanned aerial vehicle, so that the labor cost is reduced ...

BENZAMIDE COMPOUND AND USE THEREOF IN PREPARING DRUGS INHIBITING CANCER CELL PROLIFERATION AND/OR TREATING CANCER

Disclosed are a benzamide compound and the use thereof in preparing drugs inhibiting cancer cell proliferation and/or treating cancer. The compound has the capability to inhibit cancer cell proliferation, thus achieving the purpose of treating cancer. In particular, it has an excellent activity of inhibiting cancer cell proliferation when inhibiting human lung cancer cell A549, human stomach cancer cell MGC80-3, human liver cancer cell HepG2, and human colon cancer cell HCT116. The compound has the following structure, wherein R1 is hydrogen, fluorine, chlorine, bromine, iodine, alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylacylamino, nitro, cyano, aryl or heteroaryl; and R2 is hydrogen, fluorine, chlorine, bromine, iodine, alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylacylamino, nitro, cyano, aryl or heteroaryl.

AMIDE COMPOUND AND PREPARATION METHOD AND USE THEREOF

The present invention relates to the field of pharmaceutical chemistry. Provided are an amide compound and a preparation method and use thereof. The compound can inhibit cancer cell proliferation, thereby treating a cancer. Particularly, the compound has excellent activity of inhibiting cancer cell proliferation for human skin melanoma A375, human stomach cancer cell MGC80-3, human cervical cancer cell HeLa, human liver cancer cell SMMC7721, human lung cancer cell H1299, and human colon cancer cell HCT116. The compound has the structure shown in the following general formula I, wherein A, Z, R1, R2, R3, and R4 are as defined in the specification of the present application.

Light offshore boost power transformation and big data center fusion platform

The invention provides a light offshore step-up power transformation and big data center fusion platform, a big data center module is arranged at the lower part, and an offshore power transformation functional area is arranged at the upper part of the platform; the first layer to the third layer are big data center module functional layers; hoisting sliding rail areas are arranged at the staggered positions of the outer side edges of the first layer and the second layer, and hoisting sliding rails are arranged in the hoisting sliding rail areas; the first layer and the second layer are both provided with power centers, the first layer is provided with a seawater lifting room, the seawater lifting room and the cooling room provide seawater cooling for a whole-station IDC and a main transformer, and the power centers convert and stabilize voltage which is subjected to boosting processing and voltage reduction in an upper boosting power transformation module and provide reliable electric power ...

Hard sealed safety valve

... 本实用新型公开了种硬密封安全阀，包括阀壳和具有进液孔的进液接头，还包括设置于所述阀壳内的阀芯组件，阀壳的侧壁上设有沿周向均匀分布的四个排液孔，阀芯组件包括均采用金属材质制成的阀座和阀芯，阀座具有用于连通所述进液孔与排液孔的过液孔，阀芯为可移动的设置于阀座内且用于控制过液孔的开闭。本实用新型的安全阀，阀芯和阀座均采用金属材质制成，阀芯与阀座之间实现金属环线硬密封接触，密封可靠性大大提高，密封性能好，而且设置阀芯组件用于控制进液孔至排液孔的油路的通断，可实现大流量溢流，安全阀流量大大提高，短时间的快速溢流可以缩小阀芯组件的轴向位移，最终可以降低压力波动。 ...

Sabiine synthetase, preparation method and application thereof in basic skeleton of morphinane alkaloids directly generated from S-phylline, and application of sabiine synthetase in basic skeleton of morphinane alkaloids directly generated from S-phylline

The invention discloses sabiine synthetase as well as a preparation method and application thereof in a basic skeleton of directly generating morphinane alkaloids from S-gyrtine, relates to the field of gene and enzyme engineering, and solves the problem that existing isomerization from S-gyrtine to R-gyrtine is stumbling stone synthesized by morphinane alkaloids. Comprising sabiine synthetase, and the protease comprises an amino acid sequence selected from SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3 or SEQ ID NO: 4; the biological activity of the sabiine synthetase and the uniqueness of the substrate (S-phylline) are verified, a solid foundation is laid for achieving sabiine and then achieving synthetic biological research and industrial application of sinomenine, meanwhile, a new thought is provided for synthesis of morphinane alkaloids, and the method has a wide application prospect. An efficient and convenient biosynthesis way is established, and a new challenge is also brought to synthetic ...

Parameterized optimal power flow determination method considering wind power plant output randomness based on interpolation method

The invention belongs to the technical field of electric power systems, and relates to the field of steady-state analysis and control of an electric power system containing a wind power plant in an electric power market environment, in particular to a parameterized optimal power flow determination method considering output randomness of the wind power plant based on an interpolation method. According to the method for determining the parameterized optimal power flow based on the interpolation method and considering the output randomness of the wind power plant, the quantitative relation between the output of the wind power plant and the optimal power flow solution of the system can be directly obtained, and the obtained quantitative relation can be used for solving the optimal control scheme meeting the safe operation requirement of the power system; and the influence of new energy output of a wind power plant and the like on the steady-state optimal power flow of the system can be more ...

Real-time control method of offshore wind power hybrid energy storage system

The invention provides a real-time control method for an offshore wind power hybrid energy storage system, and the method comprises the steps: S1, presetting a threshold value of grid-connected power of original wind power for the original wind power generated by a wind power plant, and inputting the original wind power as grid-connected wind power into a power grid if the grid-connected power of the original wind power meets the threshold value; if the grid-connected power of the original wind power does not meet the threshold value, the original wind power enters an energy storage system as energy storage wind power; s2, distributing the energy storage wind power to a storage battery and a super capacitor in the energy storage system according to a distribution instruction; and S3, inputting the energy storage wind power into a power grid after passing through an energy storage system. According to the method, the energy storage wind power is accurately and effectively distributed into ...

Transport contract execution system of transport vehicle

The invention discloses an execution system of a transport contract of a transport vehicle. The execution system comprises an access control barrier gate system which comprises a plurality of access control barrier gate subsystems and is used for identifying material distribution information of a transport vehicle at each target cargo point, and the plurality of target cargo points comprise at least one material master station and a plurality of target cargo receiving points used for receiving materials of the material master station; the vehicle monitoring system comprises a plurality of vehicle positioning modules and is used for monitoring operation data of the transport vehicle; and the transportation contract fulfillment system is used for determining whether the material distribution information and the operation data of the vehicle accord with preset information in a transportation contract corresponding to the transportation vehicle or not, and processing settlement of the transportation ...

High-power-density true bipolar flexible direct-current offshore converter station

The invention provides a high-power-density true bipolar flexible direct-current offshore converter station, which is characterized in that under the condition that system wiring is simplified, a large-capacity converter transformer technology, an alternating-current and direct-current GIS (Gas Insulated Switchgear) equipment technology, a direct-current polar line power distribution device and neutral line power distribution device layered arrangement technology and an air insulation equipment integrated arrangement technology are applied; and methods such as the air clear distance size and the antimagnetic clear distance space are comprehensively utilized, so that a compact arrangement scheme is formed. According to the invention, only the direct-current polar line commutation area and the direct-current neutral line commutation area of the upper module of the whole converter station adopt air insulation equipment, and the rest areas are all dielectric insulation shell grounding equipment ...

Critical point optimization method and device of three-level H bridge, equipment and storage medium

The invention discloses a critical point optimization method, device and equipment of a three-level H bridge and a readable storage medium, belongs to the field of inversion control, and is used for controlling the three-level H bridge. Considering that when modulation wave phase shift control is adopted between a left bridge arm and a right bridge arm of a three-level H bridge, the situation that an output line voltage directly jumps from a positive level to a negative level exists at the modulation wave zero crossing points of the left bridge arm and the right bridge arm, under the situation, according to the corresponding relation between a preset driving signal combination and a commutation path, the output line voltage can be converted into the negative level according to the corresponding relation between the driving signal combination and the commutation path. A target commutation path corresponding to a target driving signal combination (which can cause the output line voltage to ...

Wind power plant group reactive power coordination control method considering wind power output fluctuation when offshore wind power is sent out through flexible direct current

The invention relates to a wind power plant group reactive power coordination control method considering wind power output fluctuation when offshore wind power is sent out through flexible direct current, and the method comprises the steps: constructing an optimization model for solving an offshore wind power plant group reactive power coordination control scheme, and solving a quantitative relation between the active power output of a wind power plant group and the optimal reactive power coordination control scheme; according to the method, the rationality of reactive power flow distribution of a current collection system of the wind power plant can be ensured under the condition that the offshore wind power plant sent out through flexible direct-current power transmission is influenced by wind speed changes and active power output has large volatility, the active loss and reactive compensation capacity in the current collection system are reduced, and the reactive power flow distribution ...

Closed compact offshore converter station

The invention provides a closed compact offshore converter station, which is characterized in that a valve hall in an upper module of the offshore converter station is arranged in an upper-layer space, a cooling and heating and ventilation equipment room is arranged in a lower-layer space, and a direct-current field is arranged in a lower-layer space; inclined struts can be arranged at room partition walls of lower-layer spaces of valve halls in a cooling and heating and ventilation equipment room and a direct-current field to effectively support the ground of the valve halls. After the valve hall of the offshore converter station is arranged in the upper space of the upper module, the wire inlet GIS chamber in the prior art can move downwards to the second layer, and the direct current field can move downwards to the first layer. Therefore, the incoming submarine cable can reach the incoming GIS chamber only through one cable layer, and the direct current outgoing submarine cable can directly ...

One-machine and one-storage type offshore wind power hydrogen production direct current grid-connected system and control method

The invention discloses a one-machine one-storage type offshore wind power hydrogen production direct current grid-connected system and a control method, a direct current bus between a machine side current converter and a grid side current converter of a wind turbine generator is used for providing a direct current power supply for a hydrogen production system, and the one-machine one-storage type offshore wind power hydrogen production direct current grid-connected system is formed; efficient and stable operation of the offshore wind power hydrogen production direct-current grid-connected system is realized through cooperative control of a wind turbine generator set side current converter, a grid side current converter and a flexible direct-current sending-out system current converter; the problem that the conveying distance of a large-scale offshore wind power hydrogen production alternating current sending-out system is limited can be effectively solved, and good application prospects ...

EMF evaluation method of direct current converter station and application

The invention provides an EMF evaluation method and application of a direct current converter station, and the method comprises the steps: carrying out the modeling of a complex converter station electrical system, a metal structure, an auxiliary system and an engineering environment in a three-dimensional interval, solving a numerical solution of the current distribution (longitudinal and leakage current distribution) of a ground and an embedded conductor under a power fundamental frequency and each harmonic wave through a moment method, a scalar potential and an electromagnetic field are thus obtained. And by comparing a calculation result with an international/local standard, finding out areas and index values which do not meet the standard, and carrying out input parameter modification and iterative calculation to finally form an electromagnetic field safety distribution block diagram. According to the method, the field intensity of the electromagnetic field of the converter station ...

Reactive power flow tracking method considering output fluctuation of offshore wind plant

The invention discloses a reactive power flow tracking method considering output fluctuation of an offshore wind power plant, which comprises the following steps: firstly, analyzing the main composition of reactive loads of a wind power plant current collection system, then solving the distribution of reactive power sources of the reactive loads in a wind power plant group when the active output of the wind power plant is not changed, and then, on the basis, determining the reactive power flow of the wind power plant. And taking the active power output of the wind power plant as a variable parameter in the power flow equation, and appointing the variation range of the variable parameter. According to the method, the reactive power flow distribution of the wind power plant influenced by the random power output of the wind power plant can be expressed as a group of polynomial function relational expressions taking the fan power output as a to-be-researched parameter; and analyzing the distribution ...

Method for starting operation and maintenance self-power supply system in off-grid operation period of offshore wind plant

The invention discloses a method for starting an operation and maintenance self-power supply system in an off-grid operation period of an offshore wind power plant, and aims to solve the problem that the cost is too high when a diesel generator or an energy storage system is used as a main power supply of an operation and maintenance system in the prior art, and smooth starting of the operation and maintenance system of the off-grid operation wind power plant is realized through coordination control of a wind turbine generator and small-capacity energy storage equipment. And after starting, a fan can be used as a main power supply of an operation and maintenance system. Compared with the existing scheme, the method has the advantages that the engineering construction cost can be remarkably reduced, the power supply problem of an off-grid wind power plant operation and maintenance system caused by asynchronization of offshore wind power plant construction and land access system line construction ...

In-phase active equalization control method for state of charge of energy storage type MMC (Modular Multilevel Converter) battery

The invention relates to an in-phase active equalization control method for the state of charge of an energy storage type MMC (Modular Multilevel Converter) battery. The invention aims to provide an energy storage type MMC battery charge state in-phase active equalization control method so as to ensure safe and stable operation of an energy storage system. According to the technical scheme, SOC values of batteries in all N sub-modules on the same bridge arm are obtained, wherein N is a positive integer; if the maximum difference value delta SOC of the SOC values of the sub-modules on the same bridge arm exceeds a set threshold value, entering an active equilibrium state; extracting modulation waves and carrier data of each bridge arm in a carrier phase-shifting modulation link; monitoring a real-time value of each bridge arm current and calculating a charge/discharge cumulant characteristic value; sequencing the charge/discharge cumulant characteristic values; battery SOC in the bridge ...

H bridge control method, apparatus and device, and readable storage medium

The invention discloses an H bridge control method, device and equipment and a readable storage medium, belongs to the field of power electronics, and is used for controlling an H bridge. According to the invention, the main control unit can directly issue the original modulation wave and the original carrier wave suitable for the two-level bridge arm, and when the H bridge uses the two-level bridge arm, the H bridge is driven according to the two-level wave sending mode; when an H bridge uses a three-level bridge arm, two times of an original modulation wave can be used as a modulation wave of a left bridge arm of the H bridge, two times of a difference value between the maximum value of an original carrier wave and the original modulation wave is used as a modulation wave of a right bridge arm of the H bridge, the original carrier wave is used as a lower triangular carrier wave, and the sum of the original carrier wave and the maximum value of the original carrier wave is used as an upper ...

File transfer protocol test method and device, computer equipment and storage medium

The invention relates to the technical field of communication, and particularly discloses a file transfer protocol testing method and device, equipment and a storage medium. The method comprises the following steps: configuring a first controller so as to configure the first controller as a test server side for a file transfer protocol test; taking the second controller as a test client for testing the file transfer protocol; and transmitting the to-be-transmitted file based on the test server and the test client to obtain a file transmission result, and obtaining a test result based on the file transmission result. According to the method, the test server side and the test client side of the file transfer protocol are obtained by configuring the two controllers, the test result is obtained by conducting file transfer between the server side and the client side and testing the test sample of the file transfer protocol, the test sample is easy to compile, the server building process is simplified ...