Near-infrared two-region fluorescent polymer, preparation method and application thereof, near-infrared two-region fluorescent imaging contrast agent and preparation method thereof

The invention relates to a near-infrared two-region fluorescent polymer, a preparation method and application thereof, a near-infrared two-region fluorescent imaging contrast agent and a preparation method thereof, and belongs to the technical field of nano biomedical imaging. The polymer provided by the invention has a structure as shown in a formula I. The near-infrared two-region fluorescent polymer contains a polymer main chain and a side chain, the polymer main chain has donor and acceptor structures, the fluorescence intensity of the polymer can be remarkably improved, the imaging resolution ratio and contrast ratio of a living body can be improved, and the side chain contains polylysine and polyglutamic acid which are arranged according to a specific sequence, so that the near-infrared two-region fluorescent polymer has a good application prospect. A large amount of amino groups, imino groups and carboxyl groups can be provided, so that the polymer has good water solubility, and ...

METHOD AND DEVICE FOR CONTROLLING USER COMMUNICATIONS

Provided are a method and device for controlling user communications, which can prevent a caller and a callee from using early media intercommunication capability before system charging to achieve normal communications without being charged. The method comprises: receiving a first message sent by a callee to a caller which includes first information about the callee, the first information about the callee being used by the caller and the callee to establish a communication connection; prohibiting communications between the caller and the callee according to the first message; receiving a charging acknowledge message sent by the callee to the caller; and allowing the communications between the caller and the callee according to the charging acknowledge message. By means of a first message and a charging acknowledge message sent by a callee, the communications between a caller and the callee is controlled to prohibit the caller and the callee from communicating normally with each other before ...

加热器散热体

Continuous production sodium monofluorophosphate's crucible

... 本实用新型提供连续生产单氟磷酸钠的坩埚，包括外壳本体、反应炉膛以及炉嘴，外壳本体设置在反应炉膛外侧，在外壳本体和反应炉膛底部均设置有开口，开口用于放置炉嘴；反应炉膛包括炉膛本体、膛壁加热丝以及膛内加热丝，炉膛本体内侧均匀的设置有加热槽，加热槽内设置有膛壁加热丝，膛内加热丝设置在炉膛本体内，膛内加热丝设置在炉嘴的上方；炉嘴通过设置在外壳本体和反应炉膛底部的开口设置在炉膛本体内。膛内加热丝则能对炉膛内部的物料进行加热，以防止由于炉膛内物料过多而导致的炉膛中部的物料无法熔融完全，从而导致反应不完全，反应效率低的情况发生。 ...

Antifog window membrane of permeable air bound heat

... 本实用新型公开了一种可透气隔热防雾窗户膜，包括黑色的聚氯乙烯层，在聚酯薄膜层上通过粘合层粘合有铝层，所述黑色的聚氯乙烯和铝层上分别设有若干个相互贯通的通孔，所述通孔的直径为0.5mm-1.5mm，相邻通孔之间的距离为0.5mm-1mm，窗户膜还包括透明的防雾层，所述防雾层上分布有孔径为0.001mm-0.025mm，孔间距为0.05mm-0.075mm的透气孔，通孔与透气孔相互贯通。该可透气隔热防雾窗户膜既能降低居民的空调和照明的使用成本又可以防雾霾，透气性好。 ...

Instance segmentation method and device and storage medium

The invention relates to an instance segmentation method and device and a storage medium, and the method comprises the steps: inputting an image into a deep learning model which comprises a dense fusion pyramid network, an RPN network, a bounding box detection branch and a mask prediction branch; extracting a multi-layer first feature map of the input image based on the dense fusion pyramid network, and performing information fusion processing on the extracted multi-layer first feature map to obtain a multi-layer second feature map after information fusion; processing the plurality of layers of second feature maps by using an RPN network to obtain a plurality of candidate regions; and performing bounding box detection and mask prediction on each candidate region by using a bounding box detection branch and the mask prediction branch to obtain an instance segmentation result. According to the technical scheme, the multi-layer feature map of the image can be extracted based on the dense fusion ...

METHOD, SYSTEM, AND DEVICE FOR TESTING SPEECH QUALITY

A method, a system and a device for testing speech quality are provided. The method includes that first speech quality level information, returned respectively from the speech terminals establishing calling connection, after speech quality tests to speech paths bearing the calling connection are carried out independently by the speech terminals, is received (100); if it is detected that any one piece of first speech quality level information is lower than a preset speech quality standard, the speech terminals are indicated to respectively carry out speech quality tests for loop back paths between a core network element and themselves (101); second speech quality level information, respectively returned from the speech terminals, after speech quality tests are carried out for the loop back paths between the core network element and themselves, is received (102); according to the received second speech quality level information, fault nodes, causing that the speech quality of the paths is ...

Relay protection device for monitoring submarine cable current of offshore oil platform in real time

The invention discloses a relay protection device for monitoring submarine cable current of an offshore oil platform in real time. The relay protection device comprises a submarine cable current acquisition module, an intelligent control module, a power supply module, a communication module and a display module, the submarine cable current acquisition module comprises at least two current transformers with the same specification; the submarine cable current acquisition module acquires current data and transmits the current data to the intelligent control module; a data processing device in the intelligent control module is used for processing and analyzing the current data so as to judge whether a power system of the submarine cable has a fault or not; when the data processing device detects abnormal current, the intelligent control module judges whether a fault needs to be protected or not; when protection action is carried out, the intelligent control module controls the protection device ...

SUPERCONDUCTING COIL HAVING SPIRAL STRUCTURE FOR CURRENT LIMITER

The present application discloses a superconducting coil having a spiral structure for a current limiter, the coil comprising: a first superconducting strip, a second superconducting strip, and an insulating isolation layer, wherein the first superconducting strip and the second superconducting strip are spiral structures, an end of the first superconducting strip at a spiral center is connected to an end of the second superconducting strip at the spiral center, the insulating isolation layer is filled between the first superconducting strip and the second superconducting strip, and a spacing between the first superconducting strip and the second superconducting strip gradually increases from the spiral center to an outer spiral periphery. The present application configures a superconducting coil as a spiral structure having a non-uniform spacing on the basis of the principle that the voltage of the superconducting coil gradually increases from the spiral center toward the outer spiral ...

MESSAGE MANAGEMENT METHOD AND DEVICE, AND STORAGE MEDIUM

A message management method, comprising: establishing at least two cache queues; according to the priority of a received message, storing the received message in a corresponding cache queue; extracting the message from the cache queue and storing the extracted message in a unified cache queue; scheduling the message in the unified cache queue to a corresponding scheduling queue; and sending the message to a terminal via a sending channel corresponding to the scheduling queue.

SMALL ALCOHOL-BASED-FUEL SELF-HEATING VAPORIZATION COMBUSTION DEVICE

Provided is a small alcohol-based-fuel self-heating vaporization combustion device, comprising a fuel supply system, an air supply system, an ignition system, a burner, a self-heating vaporization device, and a smart combustion controller (1); the fuel supply system outputs liquid alcohol-based fuel by means of an ignition fuel pipe (2), The self-heating vaporization device expands and thins, from top to bottom, the liquid alcohol-based fuel outputted from the ignition fuel pipe (2); the fuel supply system also outputs liquid alcohol-based fuel to the interior of the self-heating vaporization device by means of a vaporization fuel pipe (3), and the self-heating vaporization device vaporizes the liquid alcohol-based fuel outputted from the vaporized fuel pipe (3) for subsequent combustion. The device uses the outer surface of the self-heating vaporization device as an ignition pulse point, and, under the effect of gravity, thins and expands from top to bottom the liquid surface of the liquid ...

Exhaust pot cover

... 本实用新型提供了一种排气锅盖，属于炊具技术领域。它解决了现有的排气锅盖使用安全性低和结构稳定性差的问题。本排气锅盖，包括主体以及固连于主体顶部的盖头，主体上与上述盖头位置对应处贯穿开设有排气孔，盖头内沿竖直方向贯穿开设有横截面呈条状的通孔，该通孔内穿设有能沿该通孔水平移动的排气开关，排气开关底部与上述排气孔相对处具有密封部，且该密封部能随上述排气开关移动至所述的排气孔处并将该排气孔遮挡，上述盖头底部一侧还具有排气口，排气开关的底部一侧具有导向部且该导向部能在上述密封部远离排气孔时将上述排气孔处排出的气体导向所述的排气口。本排气锅盖具有使用安全性高以及盖头和主体连接稳定性好的优点。 ...

Spiral drying device is smashed in succession to crystal

... 本实用新型涉及晶体连续粉碎螺旋干燥装置，包括粉碎箱，干燥箱和传送装置，粉碎箱位于干燥箱上方，粉碎箱与干燥箱连通，粉碎箱与干燥箱均为圆柱状箱体，且粉碎箱与干燥箱直径相同，粉碎箱上部设有投料口，粉碎箱中部设有螺旋打碎轴组，干燥箱中央设有中柱，中柱环绕设有螺旋送料板，螺旋送料板外侧高于内侧，螺旋送料板外侧紧密连接在干燥箱侧壁上，干燥箱内侧设有热风机，传送装置设置于干燥箱下方，螺旋送料板末端连接传送装置。本实用新型的有益效果是：晶体类的粉碎和干燥同时进行，过程更加快捷，操作步骤简单，螺旋传送结构避免粉碎后的晶体粉末粘在干燥箱壁上，使晶体粉末有序的传送，并增大了干燥效率，减少原料浪费。 ...

Antistatic flame retardant dacron yarn card

... 本实用新型公开了一种抗静电阻燃涤纶纱卡，由纱线编织而成，所述纱线包括基层，基层外包覆有T形阻燃抗静电涤纶纤维复丝层。通过在基层外包覆T形阻燃抗静电涤纶纤维复丝层，能够充分利用该T形阻燃抗静电涤纶纤维复丝的特点，使得该涤纶纱卡既具有抗静电，又兼具阻燃功能，从而在保证舒适性的同时还降低了安全隐患。 ...

2195 aluminum lithium alloy TIG welding method

The invention discloses a 2195 aluminum lithium alloy TIG welding method which comprises the following steps that a to-be-welded material is welded in a single-face two-layer welding mode, bottoming layer welding is conducted firstly, and after bottoming welding is finished, a welding seam is naturally cooled to the room temperature, and then capping layer welding is conducted; the welding current is 160A-200A of the bottom layer and 150A-210A of the cover surface layer. According to the method, air holes and welding hot cracks in the welding process can be effectively inhibited, and a high-strength and high-elongation welding joint is obtained.

Chopper control method and related device

The invention discloses a chopper control method and a related device, and the control method comprises the steps: carrying out the current decoupling control of the chopper at two sides of a coupled energy storage magnet, achieving the independent control of the current at two sides, and avoiding the quenching of a coupled superconducting magnet under the condition of fully utilizing the energy storage capacity. The invention further discloses a parameter real-time checking method of the coupling magnet. Voltage and current parameters of the coupling magnet are measured in real time, so that real-time parameters of the coupling magnet are calculated, and influences on charging and discharging due to parameter changes are prevented. Therefore, the problem that current on two sides cannot be independently controlled during charging and discharging of the coupling magnet is solved.

ROUTE PLANNING METHOD, DEVICE AND SYSTEM

A route planning method and device. The method comprises: determining a first speed set of a target vehicle according to a first speed set of a reference vehicle of the target vehicle, wherein the first speed set of the target vehicle is for guiding the target vehicle to drive on a first segment, the first speed set includes speed information corresponding one-to-one to at least one moment, the first segment is a segment immediately following a current driving segment of the target vehicle, each of the segments is a road lane section having a fixed-length, and the reference vehicle is a vehicle in front of the target vehicle (S110); and transmitting the first speed set of the target vehicle to the target vehicle (S120). The method and the device realize lane-level route planning for locations at straight driving lanes, traffic interchanges and traffic intersections, and enhance overall traffic efficiency and reduce possibilities of traffic accidents by planning a driving speed of a vehicle ...

HIGH TEMPERATURE SUPERCONDUCTING HYBRID CURRENT LIMITER

A high temperature superconducting hybrid current limiter, comprising a group of high temperature superconducting modules (100), a current on-off valve (200), an elastic connecting device (300), a current limiting circuit (400), and a group of current leading-in terminals (500). The group of high temperature superconducting modules (100) comprises a first high temperature superconducting module (101) and a second high temperature superconducting module (102) which are disposed side by side. One end of the current on-off valve (200) is connected with the first high temperature superconducting module (101), and the other end thereof is connected with the second high temperature superconducting module (102). One end of the elastic connecting device (300) is connected with the first high temperature superconducting module (101), and the other end thereof is connected with the second high temperature superconducting module (102). One end of a first current leading-in terminal (501) of the group ...

Rotatory transmission mechanism in vertical shutter

... 本实用新型公开了一种竖式百叶窗内的旋转传递机构，包括内设有蜗杆和蜗轮的箱体，所述蜗杆和蜗轮相互啮合，在蜗轮的下部设置有延伸至箱体外的连接杆，连接杆的自由端上设有插槽，所述插槽内插设有用于挂接帘片的吊钩，所述插槽的内壁上设有与外界相通的卡槽，所述吊钩上设有与卡槽卡接的弹性开关。该竖式百叶窗内的旋转传递机构可以方便更换吊钩。 ...

Stress detection device of high tension switchgear spring operating mechanism

... 一种高压开关设备弹簧操动机构的应力检测装置，其特征是：包括应力传感器、信号调理模块、第一处理器、无线发送模块、无线接收模块、第二处理器、profibus通信模块和上位机，所述的应力传感器贴附于弹簧操动机构上，应力传感器、信号调理模块、第一处理器和无线发送模块依次相连接，无线接收模块、第二处理器、profibus通信模块和上位机依次相连接，无线发送模块与无线接收模块通过无线网络连接。本实用新型在信号传输过程中，检测现场内短距离采用无线形式，由现场到远距离的监控中心采用profibus总线，不依赖于设备生产商，传输距离远，干扰小；本实用新型所检测结果可以为高压开关设备的状态分析、寿命预测和故障诊断提供依据。 ...

Rapid loading, unloading and carrying device for container

A rapid loading, unloading and carrying device for containers comprises a body device, two arm frames of the same structure and a plurality of walking devices used for driving the body device and the two arm frames to walk synchronously, and the two arm frames are symmetrically arranged on the left side and the right side of the body device side by side. Spin locks used for being correspondingly fastened with container corner fittings are arranged on the opposite inner side faces of the two arm frames, each arm frame comprises a rear arm frame, the rear end of each rear arm frame is connected to one side of the body device through a connecting rod device, and a front arm frame capable of stretching out and drawing back along with a linear driving device is installed on the front side of each rear arm frame. The multiple walking devices are symmetrically distributed on the outer side faces of the two arm supports and the body device in pairs, and each walking device comprises a lifting driving ...

ANTI-RELEASING IRON CAP FOR SUSPENSION INSULATOR

An anti-releasing iron cap for a suspension insulator includes a main body (1) provided with an insert-hole (11) and an inverted-T slot (12), and the insert-hole (11) is communicated with one end of the inverted-T slot (12). The iron cap also includes an anti-releasing pad (2) formed with a clamping slot (21) at one end thereof, an anti-releasing stop iron (3) formed by a soleplate (31) and a vertical plate (32) connected with the upper side of the soleplate (31), and a bolt (4) for connecting the anti-releasing pad (2) and the anti-releasing stop iron (3), wherein the concentric bolt through holes (22,33) are respectively formed on one end of the anti-releasing pad (2) and one end of the soleplate (31), the other end of the anti-releasing pad (2) and the vertical plate (32) are respectively located in the insert-hole (11) formed on the main body (1) and the open end of the inverted-T slot (12)，and the bolt (4) is located in the bolt through holes (22,33) formed on the anti-releasing pad ...

NOVEL COUPLING POWER FAULT CURRENT LIMITER

A coupling power fault current limiter, comprising an iron core (100) and a plurality of coils (200). The iron core comprises a plurality of iron core posts (101) which are connected in parallel. The plurality of coils comprises at least one alternating current coil (201) and a direct current coil (202). At least one alternating current coil is wound around each of the plurality of iron core posts. The direct current coil is simultaneously wound around the plurality of iron core posts. Two or more iron core posts wound with the at least one alternating current coil are connected in parallel, and the alternating current coils connected in parallel, as a whole, are connected in series to an alternating current power transmission loop (300). The direct current coil simultaneously wound around the plurality of iron core posts is connected in series to a direct current excitation power supply system (400). The current limiter has a low impedance in a normal running state and a high impedance ...

RESOURCE SCHEDULING METHOD, SCHEDULING SERVER, CLOUD COMPUTING SYSTEM AND STORAGE MEDIUM

Disclosed are a resource scheduling method, a scheduling server, a cloud computing system and a storage medium. In the embodiments of the present application, the method comprises acquiring virtual machine information about a virtual machine to be created, and acquiring public resource information; then, updating a pre-set private copy of the resource information according to the public resource information, wherein the private copy of the resource information comprises host machine information corresponding to a pre-set host machine; and finally, according to the private copy of the resource information, acquiring at least one candidate host machine that satisfies the virtual machine information, acquiring a target host machine from the at least one candidate host machine, and creating the virtual machine on the target host machine. In this solution, before resource scheduling is performed, the private copy of the resource information can be updated in a timely manner to ensure the synchronization ...

Variable criterion variable sparse multi-target direction of arrival estimation method

The invention discloses a variable-criterion variable-sparse multi-target direction of arrival estimation method, which comprises the following steps: S1, establishing a variable-criterion multi-target direction of arrival estimation model based on a programmable electromagnetic surface; s2, constructing an antenna receiving signal data vector based on the multi-target direction of arrival estimation model; s3, proposing a variable sparse target signal reconstruction and variable criterion estimation constraint mechanism based on the antenna receiving signal data vector; s4, based on the variable sparse target signal reconstruction and the variable criterion estimation constraint mechanism, solving a variable criterion variable sparse optimization problem to obtain an optimal reconstruction target signal vector; and S5, based on the optimal reconstructed target signal vector, detecting reconstructed target signal spectrum peaks to obtain each spectrum peak position, and obtaining a target ...

VE bottom blowing chamber adjusting device of ZJ17 cigarette making unit

The invention provides a ZJ17 cigarette making machine set VE bottom blowing chamber adjusting device which comprises a support connected with the adjusting device, and the support enables the adjusting device to be fixedly installed on a fixing plate through a fixing cylindrical pin. The device further comprises an extension plate, an adjusting mechanism and a locking mechanism, the extension plate is fixedly connected to any side of the support bottom plate, a top hole matched with an adjusting screw of the adjusting mechanism is formed in the extension plate, and dials are circumferentially distributed on the extension plate along the adjusting screw. The adjusting screw rod is rotated until the scale indication key on the handle end of the adjusting screw rod is aligned with the corresponding scale, then the adjusting screw rod is fixed through the locking nut of the locking mechanism, and finally the fastening bolt is tightened to complete adjustment; the adjusting devices are installed ...

Power system double-set path recovery method and device and storage medium

The invention discloses a power system double-set path recovery method and device and a storage medium, and the method comprises the steps: collecting power flow data of a power system before a fault, the power flow data comprising active power and reactive power flowing through all lines, and active power and consumed power sent by all bus nodes; calculating to obtain a line weight and a node weight of the power system based on the power flow data, and calculating to obtain a combined weight of the to-be-recovered node according to the line weight and the node weight; determining a double-set recovery path of a generator node based on the system frequency constraint and influence factors caused by the new energy access system; and recovering the nodes of the new energy unit in combination with the combined weight and the double-set recovery path according to a path search algorithm. According to the method, the influence of the output fluctuation of the new energy unit on the system in ...

Cement stirring and grouting reinforcement treatment method for deep soft soil foundation

The invention relates to a cement stirring grouting reinforcement treatment method for a deep soft soil foundation, which comprises the following steps that a drill bit is provided, a grouting opening is formed in the side wall of the drill bit, and a cover plate is rotatably connected to the side wall of the drill bit and used for opening or closing the grouting opening; determining a pile position; the stirring pile machine is started, and the drill bit sinks to the preset depth through positive circulation stirring; the drill bit lifts the drill in a reverse circulation mode and sprays concrete slurry through a grouting opening; and the drill bit repeatedly ascends and sinks for stirring until the pile is formed. According to the cement mixing grouting reinforcement treatment method for the deep soft soil foundation, the amount of cement paste at the bottom of the drilled hole can be guaranteed, and therefore the strength of a cement mixing pile is guaranteed.

Hoisting machinery control analytic system

... 本实用新型公开了种起重机械监控分析系统，包括：控制设备、存储设备、处理设备、若干个起重机械和若干个数据采集设备；控制设备同时与存储设备、处理设备及每个数据采集设备连接，以将数据采集设备采集的数据存入所述存储设备，同时控制所述处理设备对所述存储设备中的数据进行处理；所述存储设备同时与所述若干个数据采集设备和所述处理设备连接；每个数据采集设备与对应的起重机械连接。通过控制设备对所有相关设备进行统控制，由若干个数据采集设备采集对应的起重机械的数据，并将数据统保存在存储设备中，同时由处理设备进行统监控和分析，不仅能够实时地对所有起重机械进行监控及分析，而且避免了人为误操作且省时省力。 ...

Method and device for monitoring damage condition of expansion joint based on noise

The invention provides a method and device for monitoring the damage condition of an expansion joint based on noise. The method comprises the steps that an original noise signal generated when a vehicle passes through the expansion joint is obtained; acquiring a characteristic signal of the expansion joint according to the original noise signal; inputting the characteristic signal of the expansion joint into a preset expansion joint health signal reconstruction model to obtain a model output signal; and obtaining a damage result of the expansion joint according to the characteristic signal of the expansion joint and the model output signal. As the expansion joint health signal reconstruction model is obtained by training the health noise signal, when the damaged expansion joint noise signal time-frequency spectrum enters the expansion joint health signal reconstruction model, the error between the input signal and the output signal is increased due to the deviation from the distribution ...

5G signal remote and FTTH coverage system based on optical fiber architecture

The invention relates to a 5G signal remote and FTTH coverage system based on an optical fiber architecture. The 5G signal remote and FTTH coverage system comprises an optical antenna array local side and a user optical antenna unit, the optical antenna array local side is arranged at a terminal machine room or a 5G small base station, the optical antenna array local side comprises at least one transmit-receive unit, and the transmit-receive unit is used for receiving a small base station radio frequency signal, converting the small base station radio frequency signal into an optical signal, and receiving a user optical antenna unit optical signal, converting the optical signal into a radio frequency signal, and transmitting the radio frequency signal; the user optical antenna units are arranged in a user site and are used for receiving downlink optical signals and sending uplink optical signals, each transceiver unit is connected with a plurality of user optical antenna units, and each ...

Rotatory dual -purpose circuit breaker mechanical characteristic detection device of straight line

... 本实用新型公开了种直线旋转两用断路器机械特性检测装置，包括直线传感器和角度传感器，直线传感器和角度传感器都固定在固定支架上，测量拐臂的端与断路器传动拐臂同轴固定连接，角度传感器的测量轴通过联轴器与测量拐臂同轴固定连接，弧转直连杆的端铰接所述测量拐臂的另端，弧转直连杆的另端则连接水平连杆的端，水平连杆的另端则固接在同样固定在固定支架上的直线传感器的测量拉杆杆端上。本实用新型利用测量拐臂将断路器竖直行程或速度的测量转换为水平测量，解决了断路器机械特性检测时直线传感器安装空间受限的问题；同时通过采用直线旋转双路传感器，避免了单传感器故障影响测量结果的问题，提高了断路器机械特性测试的可靠性。 ...

ANTI-DEFORMATION DEVICE FOR GUIDE SHOE WHEEL OF INCLINED ELEVATOR

Disclosed is an anti-deformation device for a guide shoe wheel of an inclined elevator. The inclined elevator comprises a car (1), two sides of an elevator car frame (11) are respectively mounted with an elevator guide shoe (111), the elevator guide shoe (111) is provided with a guide shoe wheel (1111), the guide shoe wheel (1111) forms a rolling pair with the surfaces of a pair of tracks (2), the pair of tracks (2) are fixed onto a track bottom beam (21), the track bottom beam (21) is laid on a ground base (3) with a sloping surface (31), and a cushioning mechanism (4) is provided on the ground base (3) at a lower end of the sloping surface (31). The anti-deformation device for a guide shoe wheel comprises a car frame front beam bearing mechanism (5) and a car frame rear beam bearing mechanism (6), both being provided on the ground base (3) at the lower end of the sloping surface (31) and located between the pair of tracks (2), and when the elevator car frame (11) and the car (1) stop ...

METHOD OF PHASE-TO-PHASE DISTANCE PROTECTION FOR PREVENTING MAL-OPERATION DURING OVERLOAD

A method of phase-to-phase distance protection for preventing mal-operation during overload is provided. For a relay of 3 stages phase-to-phase distance, limiting condition is added as: formula (1)：k5<(Uφφcosφφφ)pu Подробнее

Fuzzy random double-layer robust optimization method and device for energy storage frequency modulation transaction

The invention discloses a fuzzy random double-layer robust optimization method and device for energy storage frequency modulation transactions, and the method comprises the steps: determining an uncertainty variable of the output power of a new energy unit according to the output power information of the new energy unit; based on the uncertainty variable, constructing a fuzzy random double-layer robust optimization model of the energy storage battery participating in primary frequency modulation; and calculating the fuzzy random double-layer robust optimization model by using a column sum constraint generation algorithm according to a preset constraint condition until a preset objective function reaches a minimum value, and obtaining an output result of the fuzzy random double-layer robust optimization model. Therefore, on the basis of considering the randomness and volatility of new energy power generation and energy storage battery charging and discharging, the market electricity price ...

Non-excavation geophysical prospecting method for compensator position of heat supply directly-buried pipeline

The invention provides a non-excavation geophysical prospecting method for a compensator position of a heat supply directly-buried pipeline, which comprises the following steps of: 1, respectively measuring magnetic field intensities along a water supply pipe and a water return pipe of the heat supply directly-buried pipeline by using weak magnetic detection equipment to obtain a water supply pipe magnetic field intensity curve graph and a water return pipe magnetic field intensity curve graph; the abscissa is a measured distance value, and the ordinate is a magnetic field intensity value vertical to the ground direction; 2, characteristic waveforms are searched from the water supply pipe magnetic field intensity curve graph and the water return pipe magnetic field intensity curve graph respectively, the characteristic waveform of the water supply pipe is W-shaped, and the characteristic waveform of the water return pipe is U-shaped or V-shaped; and 3, if the measured distance value of ...

SATURATED CORE TYPE SUPERCONDUCTING CURRENT LIMITER AND DEWAR

The invention discloses a saturated core type superconducting current limiter and a Dewar. The Dewar comprises: an inner cylinder and an outer cylinder. The side wall of the outer cylinder is provided with a first inner surface and a first outer surface. A first chamber is arranged between the first inner surface and the first outer surface. The inner cylinder is arranged in the first chamber. A second chamber is defined by the first inner surface and used for containing a DC column. The side wall of the inner cylinder is provided with a second inner surface and a second outer surface. A first sub-chamber, a second sub-chamber and a third sub-chamber are sequentially distributed between the second inner surface and the second outer surface in the extension direction of the DC column, the first sub-chamber used for containing a first cooling medium and a first portion, the second sub-chamber used for containing a second cooling medium and a second portion, and the third sub-chamber used ...

Electrochemical sensor based on PB-MXene, biosensor and application

The invention discloses an electrochemical sensor based on PB-MXene, a biosensor and application. The electrochemical sensor is prepared by the following steps: S1, preparing multiple layers of T3C2Tx MXene by an acid etching method; s2, synthesizing a single-layer T3C2Tx MXene solution by virtue of an ultrasonic method; s3, preparing the electrochemical sensor. The invention provides an electrochemical sensor which can be used for detecting the concentration of hydrogen peroxide in living cells, so that normal cells and cancer cells can be identified according to the concentration of hydrogen peroxide. The invention further provides a biosensor on the basis of the electrochemical sensor, and the biosensor can be used for capturing and recognizing circulating tumor cells. The biosensor can specifically recognize and capture the circulating tumor cells on the basis of combination of the antibody and protein expressed on the surfaces of the circulating tumor cells, and detection of the circulating ...

Fluorescent probe with double responses to pH and GSSG as well as preparation method and application of fluorescent probe

The invention discloses a fluorescent probe with double responses to pH and GSSG as well as a preparation method and application thereof, and the preparation method comprises the following steps: S1, dissolving 4-bromo-o-phenylenediamine in absolute ethyl alcohol, and carrying out ultrasonic treatment to obtain a mixed solution; s2, adding hydrochloric acid to obtain a precursor solution; s3, adding into a reaction kettle, reacting under heating, and cooling to room temperature after the reaction is finished, so as to obtain an R-CDs solution; and S4, purifying through column chromatography, eluting with an eluent, and carrying out rotary drying to obtain the fluorescent probe. The fluorescent probe can be used for pH detection in an in-vitro environment or cells, or used for GSSG concentration detection. The novel nano fluorescent probe provided by the invention can be used for detecting the pH value in vitro, in cells and on the organism level, can be used for detecting the content of ...

Scale-inhibiting polypropylene master batch for geotextile synthetic material and preparation method of scale-inhibiting polypropylene master batch

The invention relates to a scale-inhibiting polypropylene master batch for a geotextile synthetic material and a preparation method of the scale-inhibiting polypropylene master batch, belonging to the technical field of scale inhibition of polypropylene geotextile, a novel long-chain aliphatic quaternary ammonium salt is prepared, and the novel long-chain aliphatic quaternary ammonium salt is used as an anti-scaling master batch and is blended with polypropylene to prepare a series of scale-inhibiting polypropylene composite fibers. The aliphatic long chain is combined with the polypropylene fiber by utilizing the hydrophobic effect of the aliphatic long chain, and the hydrophobic effect is achieved. The hydrophilicity of the quaternary ammonium salt is utilized to improve the water permeability, and the electropositivity of the quaternary ammonium salt is utilized to reduce the aggregation of metal ions through electrostatic repulsion. Through multiple synergistic effects of lattice distortion ...

Method for preventing material pollution of bucket-wheel transmission shaft bearing of stacker-reclaimer

The invention belongs to the technical field of bearing sealing, and relates to a method for preventing a stacker-reclaimer bucket-wheel transmission shaft bearing from being polluted by materials, the bearing is sealed by a sealing device, the sealing device comprises labyrinth dust covers arranged on two sides of a bearing seat, and the labyrinth dust covers comprise a first dust cover and a second dust cover. The first dustproof cover sleeves the transmission shaft and is positioned on one side of the bearing; one end of the second dustproof cover is fixedly connected with the bearing seat, and the other end of the second dustproof cover is sleeved on the first dustproof cover; the first dustproof cover and the second dustproof cover are in clearance fit, labyrinth grooves which are in concave-convex fit with each other and are distributed in the radial direction of the transmission shaft are formed in the first dustproof cover and the second dustproof cover, and the labyrinth grooves ...

METHOD AND DEVICE FOR ALARM CLOCK SETTING

The present invention relates to a method and device for alarm clock setting and relates to the technical field of electronics. The method comprises: acquiring a target smart scenario of a household device, where the target smart scenario indicates a target operation to be executed when a trigger time is reached; acquiring the trigger time from the target smart scenario; and setting an alarm clock time on the basis of the trigger time. The present invention allows a user corresponding to a terminal, after setting the target smart scenario, to set the alarm clock time without having to exit from a smart household application in which the target smart scenario is located, thus simplifying the process of alarm clock setting, facilitating use for the user, and increasing the efficiency of alarm clock setting.

TRANSFORMER OIL CHANNEL AND TRANSFORMER

A transformer oil channel and a transformer relating to the technical field of transformers. The transformer oil channel comprises a plurality of first stays (1) and a plurality of second stays (2), wherein a plurality of first stays (1) are spaced apart, and a first oil channel (10) is formed between two adjacent first stays (1); a plurality of second stays (2) are spaced apart, and a second oil channel (20) is formed between two adjacent second stays (2). The first oil channel (10) and the second oil channel (20) do not intersect. The transformer comprises transformer coils and transformer oil channels, and the transformer oil channels are arranged in the transformer coils. The transformer oil channel resolves issues in the prior art of easy blockage in an oil channel, a small heat dissipation area, and weak short-circuit resistance. Moreover, the structure and the process are simple, have high operability, and reduce costs.

Durable swirler of high strength

... 本实用新型属于新型旋流器生产加工技术领域，尤其涉及一种高强度耐用旋流器，该高强度耐用旋流器，包括头部法兰，法兰孔，进料口，溢流管道，固定螺栓，固定件A，固定件B，旋流管，沉砂嘴，固定螺纹，本实用新型最主要的特征在于，本体内部采用中空腔体设计，进料流向下旋流，实现完整的旋流运动，更有利于固体的粗细分流，同时采用专用排砂装置，沉砂嘴内部采用螺纹连接，提高了装置的牢固性，提高了工作效率，旋流器头部连接有所述头部法兰，所述头部法兰设置有所述法兰孔，所述头部法兰通过所述固定螺栓固定在旋流器头部。 ...

Relay protection automatic test method and system based on digital design

The invention discloses a relay protection automatic test method and system based on digital design. Based on an IPD or CPD file, the tester outputs a test quantity to protection from a related channel, after protection action tripping, the action condition of a protection tripping contact corresponding to a tripping message is detected, and automatic closed-loop testing of the protection device or the screen cabinet is completed; based on related screen cabinet information in the SPD, the tester outputs a test quantity to a protection screen cabinet terminal from a related channel, a secondary equipment input terminal corresponding to a received tested protection tripping signal is determined according to an SPD file, the related secondary equipment input remote signaling displacement condition is detected after protection action tripping, and verification of the correctness of secondary circuit connection between equipment is completed. By adopting the method, automatic test case configuration ...

Superconducting magnet safe operation control method, device, equipment and medium

The invention discloses a superconducting magnet safe operation control method, device and equipment and a medium, and the method comprises the steps: determining a plurality of target superconducting energy storage systems corresponding to control request information in response to the received control request information, and obtaining the corresponding superconducting energy storage system data, the method comprises the following steps: inputting data of a plurality of superconducting energy storage systems into a preset target temperature rise prediction model, determining target limit powers corresponding to a plurality of target superconducting energy storage systems, calculating a sum value among the target limit powers, generating a corresponding first target response power, comparing the first target response power with a preset power grid demand power, and determining the target temperature rise of the superconducting energy storage systems according to the first target response ...

A touch-screen, touch control method thereof and display device

... 本发明公开了种触摸显示屏、其触控方法及显示装置，由于触摸显示屏包括预触控系统和主触控系统，主触控系统包括位于显示区域的主触控电极，用于检测触摸显示屏的显示区域是否有触控发生；预触控系统包括位于部分显示区域和/或位于非显示区域的预触控电极，用于检测触摸显示屏的部分显示区域和/或非显示区域是否有触控发生。由于预触控系统检测的范围比较小，因此功耗也会比较小。因此，可以利用预触控系统与主触控系统之间的相互配合工作，在触摸显示屏开启后，先让功耗较小的预触控系统先进行触控的检测工作，等预触控系统检测到有触控发生后再开启功耗较大的主触控系统，从而可以达到降低触摸显示屏功耗的目的。 ...

Automatic positioning mechanism for emergency opening knob of high-voltage cabinet

The invention relates to an automatic positioning mechanism for a high-voltage cabinet emergency opening knob, which comprises a three-axis motion platform mechanism and an execution mechanism, and is characterized in that the three-axis motion platform mechanism comprises a Z-direction sliding block, the Z-direction sliding block is provided with a bracket, and the bracket is provided with an image recognition mechanism; the three-axis motion platform mechanism adjusts the position of the execution mechanism according to the information of the image recognition mechanism to align the execution mechanism with the knob; the device has the advantages that the position of the knob is captured and recognized through the image recognition mechanism arranged on the support, then the three-axis motion platform mechanism is controlled to move to adjust the position of the execution mechanism so that the execution mechanism can be aligned with the knob, finally, the opening operation of the knob ...

Fault line recovery method

The invention discloses a fault line recovery method, which comprises the steps of constructing a new energy consumption capability evaluation index system under different time scales according to a system operation mode, load characteristics and new energy output characteristics; according to a time sequence random production simulation process based on a Monte Carlo simulation method, respectively calculating sub-indexes related to the power planning index, the electric quantity index and the system operation index; establishing hierarchy analysis based on fuzzy evaluation according to the electric power planning index, the electric quantity index and the system operation index, and comprehensively evaluating each sub-index according to the hierarchy analysis to obtain a weight corresponding to each sub-index; calculating a comprehensive index of the new energy consumption capability according to the sub-indexes and the weights, and performing fault line recovery according to the comprehensive ...

Path planning method and device based on deep reinforcement learning, and vehicle

The invention discloses a path planning method and device based on deep reinforcement learning and a vehicle, the path planning method based on deep reinforcement learning effectively fills up the research vacancy in the related technology through the dynamic path planning principle of watching two steps and walking one step, and the path planning efficiency is improved. Invenue of individual vehicles and benefit of global traffic brought by path planning of the vehicles are improved, balance of traffic flows on all roads in a road network is promoted, and efficiency of the whole traffic system is improved.

SURFACE LAYER OF SUPERCONDUCTING TAPE, SUPERCONDUCTING TAPE, AND SUPERCONDUCTING COIL

A surface layer of a superconducting tape has a mesh grid structure, and is disposed at a surface of a superconducting tape (1). The structure of the present surface layer resolves the technical issue in which a layer of vapor generated on a surface of a superconductor in a normal resistance state significantly reduces the efficiency of heat exchange between the superconductor and liquid nitrogen. Also provided are a superconducting tape (1) and a superconducting coil.

Method and device for optimizing streaming data classification model

The invention provides an optimization method and device for a streaming data classification model, and relates to the field of data query, the method comprises the following steps: obtaining a decision tree in the streaming data classification model, the streaming data classification model being used for streaming data classification; performing structured classification operation on the decision-making trees to obtain a plurality of decision-making tree sets; performing coding compression on decision trees in each decision tree set to obtain a corresponding compressed decision tree set; performing clustering based on a decision tree editing distance on each compressed decision tree set to obtain a clustering decision tree set; and screening all the clustering decision tree sets to obtain a lightweight streaming data classification model. Compared with the prior art, the method solves the problems that a large number of decision trees in a stream data classification model cause the system ...

METHOD AND APPARATUS FOR IDENTIFYING CATEGORY OF ELECTRONIC DEVICE ON INTELLIGENT SOCKET

A method and apparatus for identifying the category of an electronic device on an intelligent socket. The method comprises: acquiring a target electrified state parameter of a target electronic device connected to an intelligent socket in an electrified state (101); identifying a target category of the target electronic device according to the target electrified state parameter (102); and outputting the target category (103). By means of the method and apparatus, a correlation between an intelligent socket and a target category can be obtained, and a user can control the intelligent socket connected to a target electronic device according to the correlation, thereby avoiding the mistaken control of a socket corresponding to another electronic device due to the ambiguity of a correlation between the target electronic device and the intelligent socket.

LARGE CIRCULATING FLUIDIZED BED CELL BIOREACTOR AND METHOD FOR CULTURING ANIMAL CELLS

A large circulating fluidized bed cell bioreactor and a method for culturing animal cells. The reactor comprises an agitator tank body (01), an agitator tank base (50), a water inlet silicone hose (06), a backflow silicone hose (08), a cell culture tank (10), a culture tank base (40), a backflow pipe (15), a water inlet pipe (12), an agitator (20), a reactor tray (30), and a tube support plate (60). By means of cooperation among the above components, defects and shortcomings of fluidized bed cell bioreactors in the prior art including proneness to microbial contamination, a low level of dissolved oxygen, and a low working volume, are effectively resolved, advantageous in the popularization and application of this technology.

Secondary non-uniformity correction method and system for differential spectrum filtering infrared imaging

The invention relates to a secondary non-uniformity correction method for differential spectral filtering infrared imaging, which is characterized by comprising the following steps: on the basis of a differential spectral filtering infrared imaging system, on the basis of long-pass filtering single-channel two-point non-uniformity correction, carrying out secondary non-uniformity correction on a single-channel two-point non-uniformity correction; and secondary non-uniform correction between two adjacent channels is added, so that signal response between the channels is balanced. Compared with the prior art, the secondary non-uniformity correction method for differential spectral filtering infrared imaging provided by the invention has the advantages that secondary equalization correction is added on the basis of two-point non-uniformity correction, so that signal response equalization among channels can be realized while the uniformity of the infrared image is improved, and the accuracy ...

QUICK OPERATION METHOD AND DEVICE, MOBILE TERMINAL AND STORAGE MEDIUM

The present invention relates to the field of Internet mobile terminals. Disclosed are a quick operation method and device and a mobile terminal. The method comprises: displaying preview content on a screen lock interface, wherein the preview content comprises at least one of text information, graphics information, emotion information, incoming call information and geographical information; receiving operation of a user on the preview content; and processing the preview content according to the operation, wherein the processing comprises marking as being read and marking as at least one of the states of being collected, saved, deleted, reported, replied, played and updated. The present invention directly displays the preview content on the screen lock interface and directly operates the preview content, to solve the problem in the existing quick operation method that operation needs to be performed multiple times and the whole interacting process is rather complex, and in this way, operation ...

Encryption communication system and method for Beidou short message

The invention discloses a Beidou short message encryption communication system and method, and relates to the technical field of Beidou short message security. In order to solve the problems that Beidou short message communication is easily attacked by a man-in-the-middle, communication data is easily maliciously tampered by an intermediate link, communication keys of two communication parties are difficult to synchronize and update, the randomness and strength of the communication keys are poor and the like, the encryption communication system of the Beidou short message is composed of a key management center and a Beidou short message terminal, a two-layer key management system is adopted, bidirectional identity authentication between Beidou short message terminals and a key management center and between the Beidou short message terminals is achieved through asymmetric digital signatures, and automatic updating and synchronization of communication encryption keys are achieved through ...

SUPERCONDUCTING TAPE TESTING DEVICE

A superconducting tape testing device, comprising lead contacts and a support plate. Each lead contact comprises a conductive contact (1) and a magnet (3); the magnet (3) is provided with a through hole through which the conductive contact passes; the support plate comprises a plate body (4) and a magnetic conductive member (5); the magnetic conductive member (5) is fixed on the surface of the plate body (4). According to the provided superconducting tape testing device, the lead contacts are connected to a superconducting tape by means of a magnetic attraction force, the distance between two lead contacts can be adjusted conveniently and quickly, and no damage to the superconducting tap would be caused, thus solving the problem of irreversible damage caused by welding points to the superconducting tape due to a large degree of uncertainty of the measurement of the distance between the welding spots by means of welding, thereby increasing measurement efficiency and precision.

Radar pulse signal detection method and device based on spectrum sparse sensing

The invention relates to a radar pulse signal detection method and device based on spectrum sparse sensing. The radar pulse signal detection device based on spectrum sparse sensing comprises a spectrum sparse sensing module, a dynamic adjustment adaptive filtering module and a double-threshold pulse detection module, and the spectrum sparse sensing module is used for carrying out single-bit sampling on an original signal and obtaining a signal frequency and a signal bandwidth; and the dynamic adjustment self-adaptive filtering module filters the signal according to the signal frequency and the signal bandwidth. Spectrum sensing is carried out by utilizing sign bits of AD data, the input spectrum distribution condition is monitored and tracked in real time, and compared with traditional short-time Fourier transform, resources needed by signal processing can be greatly reduced, and the processing bandwidth of signal processing can be improved. During filtering, according to the center frequency ...

Non-signalized intersection vehicle self-adaptive cooperative driving method and device and roadside equipment

The invention discloses a non-signalized intersection vehicle adaptive cooperative driving method and device and roadside equipment, which adaptively determines the priority of each lane according to the queuing length of the lane in each direction of the intersection and the traffic flow condition, improves the performance of a single intersection in the spatial dimension and the time dimension, and improves the driving efficiency. And the fairness and efficiency of vehicle travel are improved, so that the efficiency of the whole road network traffic system is improved.

Energy storage value quantitative evaluation method, device and equipment and storage medium

The invention discloses an energy storage value quantitative evaluation method, device and equipment and a storage medium, and the method comprises the steps: constructing an energy storage multi-dimensional value analysis framework according to the energy storage operation values of an energy storage main body and a power grid main body; according to the peak clipping and valley filling value model and the frequency modulation value model, an energy storage operation value quantitative model is constructed, so that the maximum total value of the energy storage power station is calculated; constructing a regional power grid model, and constructing a collaborative operation optimization model according to the regional power grid model and the total value of the energy storage power station corresponding to the energy storage value quantification model, thereby calculating each generator and energy storage output in the power network; and according to each generator and energy storage output ...

Self-locking manual-automatic precision angle adjusting device

A self-locking manual-automatic precision angle adjusting device comprises a lower platform, a lifting platform and a cylinder body, wherein the lower platform and the lifting platform are movably hinged through the rear end of a main shaft, and the cylinder body is movably connected to the lower platform and the lifting platform through pin shafts. The device further comprises a speed reducing mechanism, a transmission gear set, a non-return clutch, a servo motor and a hand-cranking transmission assembly. An A-direction input port of the transmission gear set is in transmission connection with the servo motor, a B-direction input port of the transmission gear set is in transmission connection with an output shaft of the non-return clutch, and an input shaft of the non-return clutch is in transmission connection with the hand-cranking transmission assembly. A C-end output port of the transmission gear set is in transmission connection with the cylinder body through a reducing mechanism; ...

ANNULAR BEARER NETWORK AND SERVICE BEARING IMPLEMENTATION METHOD THEREFOR

Provided by the present invention are a method and device for calculating the fault resistance and current-limiting current of a superconducting current limiter, wherein the method comprises: S1. Calling a grid short-circuit fault transient circuit that comprises a superconducting current limiter, and calculating a first short-circuit fault current In(t) of the grid short-circuit fault transient circuit when the superconducting current limiter does not respond to a short-circuit fault, n being a natural number; S2. Calling an external characteristic model U(I, t) of the superconducting current limiter under the action of different heat exchange conditions and an impulse current, and calculating the resistance Rn(t) of the superconducting current limiter under the action of the first short-circuit fault current In(t); S3. Adding the resistance Rn(t) of the superconducting current limiter to the grid short-circuit fault transient circuit, and calculating a second short-circuit fault current ...

Elastic improvement-oriented energy storage and line reinforcement collaborative planning method and system

The invention provides an elastic improvement-oriented energy storage and line reinforcement collaborative planning method and system, and the method comprises the steps: obtaining system load data, and generating a line fault typical scene set caused by an extreme disaster; based on the typical scene set of the line fault, constructing a target function by taking minimization of investment loss cost as a target; according to the objective function and a preset constraint condition, constructing an energy storage and line reinforcement collaborative planning model; and obtaining the maximum energy storage quantity and the line reinforcement quantity of the to-be-planned power distribution system, and solving the energy storage and line reinforcement collaborative planning model to obtain an energy storage plan and a line reinforcement plan of the power distribution system. According to the elastic improvement-oriented energy storage and line reinforcement collaborative planning method provided ...

Commercial vehicle rigid-flexible combination real-time model modeling method based on modal superposition method

The invention discloses a commercial vehicle rigid-flexible combination real-time model modeling method based on a modal superposition method, an overall framework is divided into a Motion module and a Ride module, the Motion module is responsible for solving in-plane motion of each individual of a commercial vehicle parallel to a frame plane, and the Ride module is mainly responsible for solving out-plane motion of each individual of the commercial vehicle perpendicular to the frame plane. The Ride module mainly comprises a full-floating cab, a cab suspension, a frame, a suspension and an integral axle module, wherein the cab, the frame and the integral axle all adopt rigid-flexible combination models based on a modal superposition method and considering real-time performance. Compared with the prior art of the same kind, a unified rigid-flexible combination modeling method is adopted for each individual in the Ride direction of the commercial vehicle, a complete rigid-flexible coupling ...

Magnesium boride coil refrigerating system

The invention relates to the technical field of superconducting coils, in particular to a magnesium boride coil refrigerating system. The magnesium boride coil refrigerating system comprises an MgB2 superconducting magnet, a first cooling circulation pipeline and an internal Dewar, the MgB2 superconducting magnet and the first cooling circulation pipeline are both arranged in the Dewar, solid neon is contained in the internal Dewar, and the MgB2 superconducting magnet and the first cooling circulation pipeline are both wrapped by a cooling medium; according to the scheme, solid neon is adopted to fix the MgB2 superconducting magnet, mechanical stress disturbance and other stress influences are reduced, the stability of the superconducting magnet in the operation process is improved, conduction cooling of the cooling circulation pipeline and solid neon cooling media are combined, the refrigeration heat transfer effect is accelerated, and superconducting energy storage magnet quenching caused ...

Uncooled infrared non-uniformity correction method for stray radiation model of infrared optical filter

The invention discloses an uncooled infrared non-uniformity correction method for an infrared filter stray radiation model, and belongs to the technical field of infrared imaging. The implementation method comprises the following steps of: constructing an uncooled infrared imaging system in which an uncooled infrared focal plane detector is combined with an infrared optical filter, and establishing an infrared radiation transmission model; the stray radiation radiated to the focal plane of the detector is divided into four parts, namely, light filter self radiation, detector self radiation reflected by the light filter, shell radiation passing through the light filter and shell radiation not passing through the light filter. And respectively calculating the stray irradiance of each part by adopting a radiation conversion angle method. A two-point correction method is adopted, multiplicative gain and additive gain of a full response wave band of a detector are calculated in sequence, response ...

Rotary cinder valve

The rotary cinder valve comprises a valve body, a flow guiding device, a driving device and a stock bin, the valve body is connected with the flow guiding device, the flow guiding device is connected with the driving device, the driving device is connected with the valve body, the stock bin is connected with the valve body in a fastening mode, a cinder inlet is formed in the valve body, a discharge port of the stock bin is communicated with the cinder inlet, and the cinder inlet is located in the upper layer of the valve body. The ash inlet is vertically arranged, the ash outlet is formed in the lower layer of the valve body, the ash discharging cavity is formed in the valve body, the ash inlet is communicated with the ash outlet through the ash discharging cavity, the driving device serves as a main power source and controls pulverized coal to rotate in the ash discharging cavity for automatic feeding, the ash inlet is formed in the upper portion, and therefore the pulverized coal enters ...

PARALLEL REMOTE CONTROL DRIVING SYSTEM FOR INTELLIGENT NETWORK VEHICLE

A parallel remote control driving system for an intelligent network vehicle, comprising an intelligent network vehicle control device (101), a parallel driving control and management device (102) and a remote control driving device (103). The remote control driving device (103) can generate, according to a remote control driving request signal transmitted by the parallel driving control and management device (102), a remote control driving index signal, and generates, according to user operations, a driving mode signal and a vehicle control signal and transmits to the intelligent network vehicle control device by means of the parallel driving control and management device (102), so as to realize a remote control of the intelligent network vehicle. The parallel remote control driving system makes it unnecessary for an intelligent network vehicle to be equipped with a human driver when it is on the road, thereby significantly reducing the labor cost, technical requirements and safety costs ...

METHOD AND SYSTEM FOR PACKET SYNCHRONIZATION ON PROCESS LAYER NETWORK OF INTELLIGENT SUBSTATION

Disclosed in an embodiment of the present invention are a method and system for packet synchronization on a process layer network of an intelligent substation, the method comprising: recording the transmission delay on a network transmission device in a sampled value (SV) packet sent by a merging unit; an SV data receiving device synchronizes packets according to the transmission delay on the network transmission device recorded in the SV packet, thus realizing synchronization of packets received from different merging units by the SV data receiving device, so that the SV data receiving device can properly conduct data calculation and perform actions. The method can solve the present problem of overdependence of the process-level network on a time synchronization network.

NOVEL ALCOHOL-BASED FUEL CYCLONE ATOMIZING BURNER

An alcohol-based fuel cyclone atomizing burner comprises an electromagnetic pump (1), an atomization oil nozzle (2), an intelligent burning control system (6), a burner group (3), a blower (4), and an ignition flame ion probe (5). The automatic proportion of air and fuel in the b burner group (3) is implemented by controlling in real time, by means of the intelligent burning control system (6), the rotary speed of the blower (4) and the fuel oil flow of the electromagnetic pump (1), and an excessive air coefficient in the burner group (3) is kept within a certain range. The burner has a high ignition success rate and more sufficient combustion.

Multi -functional high -pressure vacuum circuit breaker mechanical characteristic testing arrangement

... 种多功能高压真空断路器机械特性测试装置，包括：由上下横板(7、5)以及左右立柱(6)构成的框架，套筒(8)和模拟拉杆(4)；套筒穿过并固定在上横板的调距通孔中，套筒的大孔(31)内有直线位移传感器(12)、小孔(32)供信号输入杆(13)穿过、下端连接固定有力传感器(14)，信号输入杆下端与模拟拉杆的上端连接；模拟拉杆的上端螺纹连接法兰(9)、下端从框架内可滑动地穿过上横板导向孔(24)下伸后与断路器连杆(2)旋转支架(3)连接；速度传感器(16)和加速度传感器(15)装配在法兰(9)的大安装孔(22)和小安装孔(21)上。本实用新型可同时测量得到断路器动触头的位移、速度、加速度和反力数据，满足断路器故障诊断要求。 ...

Method for simultaneously determining contents of moisture, 1, 2-propylene glycol, menthol, diethylene glycol, glycerol and triethylene glycol in reconstituted tobacco

The invention discloses a method for simultaneously determining the content of moisture, 1, 2-propylene glycol, menthol, diethylene glycol, glycerol and triethylene glycol in reconstituted tobacco, which comprises the following steps: preparing a sample solution to be detected by adopting an organic solvent extraction method; a standard solution for quantifying moisture and a mixed standard solution for quantifying alcohol compounds, which contain internal standard substances and have multistage concentration gradients, are respectively prepared, and the water components and the alcohol compounds of the same prepared sample are sequentially analyzed through a gas chromatograph matched with a thermal conductivity detector and a gas chromatograph matched with a hydrogen flame ionization detector. The verification result of the method shows that the quantitative linear range of moisture determination is 0-10.0 mg/mL, the detection limit (LOD) is 0.05%, and the limit of quantitation (LOQ) is ...

HIGH TEMPERATURE SUPERCONDUCTING WINDING FOR SATURATED IRON-CORE SUPERCONDUCTING CURRENT LIMITER

The present invention provides a high temperature superconducting winding for a saturated iron-core superconducting current limiter, comprising: a plurality of high temperature superconducting winding modules independent of each other, a supporting cylinder, and connecting pieces. Independent direct current power supply modules are adopted to supply power to the high temperature superconducting winding modules. The plurality of high temperature superconducting winding modules independent of each other is installed on the outer surface of the supporting cylinder. The supporting cylinder comprises a cylinder body, an upper end flange and a lower end flange. The upper end flange is used for axially positioning the high temperature superconducting winding modules. The lower end flange is used for being connected with one end of the cylinder body. The upper end flange and the lower end flange are connected by means of the connecting pieces. According to the present invention, the current let-through ...

Fire -retardant anti ultraviolet anti -bacterial fabric

... 本实用新型公开了一种阻燃防紫外线抗菌面料，包括由纱线编织而成的面料层，所述纱线设置为包芯纱，包芯纱包括基线，基线外包覆有改性聚氨酯耐磨防火涂料层，改性聚氨酯耐磨防火涂料层外包覆有银离子铝膜。通过在基线外包覆改性聚氨酯耐磨防火涂料层，能够实现对基线的阻燃效果，同时，又在改性聚氨酯耐磨防火涂料层外还设置一层银离子铝膜，通过银离子的杀菌和对紫外线的阻隔效果，实现抗菌和防紫外线的功能。由该种纱线编制而成的面料集三种功能为一体，发展潜力巨大，值得推广。 ...

Power fingerprint precise treatment method for power distribution network line loss analysis

The invention relates to an electric power fingerprint precise treatment method for power distribution network line loss analysis. The method comprises the following steps: S1, data acquisition; the collected data comprises operation information data, and required data is collected according to a data application process; s2, data processing: when the correlation between the line loss rate and the power consumption of the next user is analyzed, processing sudden change data; performing modal decomposition on data signals of line loss and electric quantity, and extracting user data in advance; carrying out data filling on missing electricity consumption data by using a Lagrange interpolation method; s3, power fingerprint extraction and analysis; s4, modeling analysis is carried out; and S5, by taking the suspicion degree classification of the abnormal users as a foothold, establishing a method strategy model.

Preparation method of inhibitor containing camellia saponin and application of inhibitor in inhibition of expression of bacillus cereus emetic toxin

The invention discloses a preparation method of an inhibitor containing camellia saponin and application of the inhibitor in inhibition of expression of bacillus cereus emetic toxin, and relates to the technical field of inhibitors, the preparation method of the inhibitor containing camellia saponin comprises the following steps: S1, extracting camellia saponin; S2, extracting a lemon extract, a shaddock peel extract and a dandelion extract; the camellia saponin, the lemon extract, the shaddock peel extract, the dandelion extract and the sodium benzoate in the S1 are mixed to prepare an inhibitor, the mass concentration of the camellia saponin is 85%-95%, the mass concentration of the lemon extract, the mass concentration of the shaddock peel extract and the mass concentration of the dandelion extract are 2%-10%, and the mass concentration of the sodium benzoate is 0.1%-0.2%; the inhibitor obtained by the preparation method provided by the invention has an obvious growth inhibition effect ...

Concentration barrel discharging device under high-temperature and high-salt conditions

The invention particularly discloses a concentration barrel discharging device under high-temperature and high-salt conditions, the concentration barrel discharging device comprises a concentration barrel, a control rod, a supporting rod, a connecting rod and a discharging mechanism, the supporting rod is vertically and fixedly arranged on the side face of the outer side of the concentration barrel, and the control rod is rotationally arranged at the end of the upper end of the supporting rod to achieve vertical lifting of the two ends of the control rod; the discharging mechanism comprises a discharging port and a discharging pipe, the discharging port is connected with the lower end of the connecting rod in a matched mode, the feeding end of the discharging pipe is in butt joint with the discharging port, and the discharging end of the discharging pipe is in butt joint with the discharging port. And the discharge end of the discharge pipe penetrates through the concentration barrel and ...

MONITORING METHOD FOR IP BEARING NETWORK BASED ON SERVICE AND DEVICE FOR MONITORING QUALITY OF IP SERVICE

A monitoring method for IP bearing network based on service and a device for monitoring the quality of IP service are provided in the present invention. The method includes the steps: obtaining the source IP address and the termination IP address of the service; obtaining the information of the IP bearing network element between said source IP address and said termination IP address; obtaining the IP QoS information of said IP bearing network element and the route table information; according to said IP QoS information and said route table information, obtaining a drawing of the corresponding relation of the service and the quality of the IP bearing network, and a connection topology drawing of the service bearing path in order to realize the monitoring for the IP bearing network. The embodiment of the present invention can link the core network with the bearing network, thus realizing the overall monitoring of the quality of the IP bearing network of the service.

Solid reation kettle body convenient to controlled temperature

... 本实用新型提供便于控制温度的固体反应釜本体，包括釜腔和冷却系统，在釜腔开口四周设置有密封圈，釜腔上设置有用于排除反应釜内空气的排气管，在排气管上设置有排气阀，在釜腔左侧设置有抽气口，抽气口与真空泵通过第一管路相连，在第一管路上设置有抽真空阀，在釜腔右侧设置有进气口，进气口通过第二管路与气瓶相连，第二管路上设置有进气阀，在釜腔顶端与底端分别设置有顶端温度传感器和底端温度传感器。本实用新型的有益效果是在抽真空之后，打开进气阀向反应釜本体中充入保护气体，避免空气中的氧气对反应影响；避免温度急剧变化，对反应舟损坏，延长反应舟使用寿命。 ...

Method for recovering glyphosate in wastewater by preloading transition metal with resin

The invention discloses a method for recovering glyphosate in waste water by utilizing resin to preload transition metal. By utilizing the method, the recovery of the glyphosate in the waste water can be realized. The method comprises the following steps: putting resin into a hydrochloric acid solution, stirring, and rinsing with deionized water until the resin is neutral; putting the treated resin into a sodium hydroxide solution, stirring, and rinsing with deionized water until the resin is neutral; adding the treated resin into a salt solution containing transition metal ions, stirring, and washing with deionized water until no Cl flows out; putting the treated resin into a vacuum drying oven for drying; adding the treated resin into the glyphosate-containing wastewater, adjusting the pH and temperature of the solution, and stirring for reaction; and filtering the treated resin, and desorbing the resin in a desorption solution. According to the technology disclosed by the invention, ...

NOZZLE INSTALLATION STRUCTURE AND INKJET PRINTER

A nozzle installation structure, comprising a substrate (1) and a plurality of nozzle assemblies (2) uniformly distributed along the length direction of the substrate (1). The nozzle assembly (2) comprises a spray tongue (21) connected to the substrate (1), a plurality of nozzles (22) uniformly distributed along the length of the spray tongue (21), and a locking mechanism (23) disposed on the spray tongue (21) and used for compressing the spray tongue (21) and the nozzles (22). An inkjet printer, comprising the nozzle installation structure. The nozzle installation structure and the inkjet printer reduce the number of spray tongues (21) by providing a plurality of nozzles (22) on the spray tongue (21), thereby reducing the assembly and maintenance costs of the spray tongue (21).

Real-time regulation and control method and system for wind power energy storage station

The invention provides a real-time regulation and control method and system for a wind power energy storage station. The method comprises the following steps: constructing an online operation model of the wind power energy storage station; the online operation model is optimized based on a Lyapunov optimization method, and a basic online scheduling strategy is obtained; scheduling the wind power energy storage station by adopting a basic online scheduling strategy to obtain basic operation data; constructing an advanced scheduling model of the wind power energy storage station based on a DDPG reinforcement learning algorithm; training an advanced scheduling model according to the basic operation data until the advanced scheduling model meets a preset evaluation standard, and obtaining an advanced online scheduling strategy; and regulating and controlling the wind power energy storage station by adopting an advanced online scheduling strategy. According to the real-time regulation and control ...

METHOD AND APPARATUS FOR AUTOMATICALLY ASSOCIATING PRIMARY AND SECONDARY EQUIPMENT MODELS OF SMART SUBSTATION

Disclosed in the present invention are a method and apparatus for automatically associating primary and secondary equipment models of a smart substation: for a cross-interval secondary equipment model, configuring a specific interval prefix for each interval LN (logic node) in the model to implement interval LN grouping, and establishing interval association LN to provide a primary and secondary interval association interface; configuring an SCD file to implement the instantiation of each secondary equipment model, importing an SSD file into the SCD file, directly associating a single-interval secondary equipment CID file with a related primary interval in the SSD, and assigning each interval DO of the interval association LN in a cross-interval secondary equipment CID file to complete interval association; specifying a secondary equipment LN association relationship for a primary equipment object type; and, on the basis of the association relationship between the primary equipment object ...

ANTI- SLIP SOCKET-CLEVIS

A socket-clevis (1) has a jack (11) and an inverted T-shaped slot (12), wherein the jack (11) communicates with one end of the inverted T-shaped slot (12). The socket-clevis (1) also comprises an anti-slip baffle (2) consisting of a bottom plate (21) and an upright plate (22) connected to the upper side of the bottom plate (21), and a fastening bolt (3) for connecting the socket-clevis (1) and the anti-slip baffle (2). One end of the bottom plate (21) has a bottom plate bolt through hole (23), and a notch end of the inverted T-slot (12) of the socket-clevis (1) is provided with a lug boss (14) having a clevis bolt through hole (13). The other end of the bottom plate (21) and the upright plate (22) are respectively disposed in the jack (11) and on the notch end of the inverted T-slot (12) of the socket-clevis (1), and the fastening bolt (3) is disposed in the bottom plate bolt through hole (23) and the clevis bolt through hole (13).

Method for detecting tea tree variety and substantive derivation relationship

The invention relates to the technical field of tea tree identification, in particular to a method for detecting a tea tree variety and substantive derivation relationship. The establishment method comprises the following steps: firstly, collecting different tea tree varieties and carrying out whole-genome high-throughput sequencing; s2, filtering and screening the sequence obtained in the step S1 twice to obtain an SNPs combination; and after the genetic information amount of the SNPs combination is verified, calculating GS (Genetic Similarity Coefficient) between the tea trees, and identifying derived varieties. According to the method for detecting the variety and substantive derivation relationship of the tea trees, the SNPs combination with good genetic polymorphism and low deletion rate in the tea trees is obtained through screening from S1 to S4, the GS is calculated by adopting the SNPs combination, and the GS is high in reliability and can serve as a reference for determining whether ...

Phased-array antenna test system and method

The invention provides a phased-array antenna test system and method. The system comprises a vector network analyzer, a synchronous control unit, an auxiliary antenna, a tested antenna and a microwave darkroom. The test system is provided with a radio frequency link and a synchronous link; and the vector network analyzer is at least used for displaying a phased-array antenna beam establishment process, a phased-array antenna frequency switching process or a phased-array antenna convergence process. The method comprises the following steps: building the phased-array antenna test system; the synchronous control unit sends a control signal to the tested antenna and sends a synchronous pulse signal to the vector network analyzer at the same time, and the vector network analyzer is triggered to start testing; and observing the output waveform of the vector network analyzer, and reading test data according to the output waveform of the phased-array antenna beam establishment process displayed ...

Camellia oleifera cake extract and application thereof in metal corrosion inhibition

The invention belongs to the technical field of corrosion inhibitors, and relates to an oil tea cake extract and application thereof in metal corrosion inhibition. Water, ethyl alcohol or a mixed solution of the water and the ethyl alcohol is used as a solvent, and a solid mixture is extracted from oil tea processing residues, namely oil tea cakes. The molecular structure of the main component tea saponin of the mixture contains a large amount of-OH,-COOH,-COOR, C = C and other unsaturated covalent bonds, and the heteroatoms as adsorption centers have relatively high electron density, so that pi bonds and feedback pi bonds are generated between tea saponin molecules and metals; and therefore, an effective passive film is formed on the metal surface in a covering manner to block electrochemical reaction, and the effect of retarding metal corrosion is achieved. The product belongs to a natural plant extract extracted from waste oil tea cakes, has the characteristics of low cost, environmental ...

Super-soft polypropylene material with flocking effect and preparation method thereof

The invention relates to a super-soft polypropylene material with a flocking effect and a preparation method thereof. The polypropylene material comprises the following components in parts by weight: 45-65 parts of polypropylene; 20 to 40 parts of polyolefin elastomer; 5-8 parts of treated superfine fiber fluff; and 5-10 parts of tourmaline. The polypropylene material has good flocking effect and softness.

Liquid level alarm device of generator cooling system

The invention provides a liquid level alarm device for a generator cooling system. The liquid level alarm device is used for monitoring and warning the real-time state of the liquid level of generator cooling liquid. When the liquid level of the cooling liquid of the generator cooling system is lower than the lower limit specified by normal use, the float switch of the liquid level alarm device is automatically closed, the audible and visual alarm and the Beidou alarm are started accordingly, the audible and visual alarm gives an audible and visual alarm locally, and the Beidou alarm automatically sends a remote alarm signal. The invention aims to prevent the working efficiency of the generator cooling system from being reduced and even the generator from working abnormally or being damaged due to insufficient cooling liquid of the generator cooling system. The device is high in universality, easy to operate and convenient and flexible to arrange, and does not affect an original generator ...

Current uniformly distributed power electronic capacitor

The invention, which relates to the technical field of the manufacturing process of the power electronic capacitor, discloses a current-uniformly-distributed power electronic capacitor comprising a connecting soft copper wire, an insulating terminal and an insulating plate. The insulating terminal is used for fixing the extraction electrode and is insulated from the capacitor shell; the connecting soft copper wire, the insulating plate and the core connecting copper bar are welded with the capacitor core through the copper bar welding rack and the welding spots; after all the core connecting copper bars are welded, the whole core connecting copper bars are wrapped with core insulating membranes; then putting into a capacitor shell, and finally injecting an insulating filling medium; according to different positions corresponding to the capacitor cores connected with the core copper bars, the copper bar welding racks in different shapes are arranged, and the overall inductance of the core ...

INTELLIGENT CONTROL DEVICE FOR ELECTRIC POWER SYSTEM AND IMPLEMENTATION METHOD THEREFOR

An intelligent control device for an electric power system and an implementation method therefor. The device comprises an automatic bus transfer unit, a stability control unit, and an automatic bus transfer and stability control coordination unit. The stability control unit, the automatic bus transfer and stability control coordination unit and the automatic bus transfer unit are connected in sequence, and the automatic bus transfer unit is also connected to the stability control unit. The automatic bus transfer and stability control coordination unit is used for monitoring the stability control unit in real time, and judging whether the stability control unit has a stability control operation, and if yes, locking an automatic bus transfer function. The intelligent control device for an electric power system and the implementation method therefor realize the coordination of an automatic bus transfer function and a stability control function, achieve the integration of the automatic bus ...

METHOD FOR DISPLAYING TERMINAL CHARGING STATUS AND TERMINAL

A method for displaying a terminal charging status and a terminal. The method comprises: displaying a charging status region on a terminal screen when it is detected that a terminal battery is being charged, with a halo enlarging or shrinking with a preset frequency existing at the edge of the charging status region; according to a ratio of the current electric quantity of the terminal battery to the electric quantity of the terminal battery being fully charged, displaying a filled region having the same ratio in the charging status region. The method for displaying a terminal charging status and the terminal can realize visually displaying a charging status and charging progress of a terminal.

Vertical take-off and landing ball ring four-rotor unmanned aerial vehicle

The invention discloses a vertical take-off and landing ball ring four-rotor unmanned aerial vehicle which can be used for investigation tracking, accurate positioning, temporary satellites, fixed-point explosion and the like. The unmanned aerial vehicle comprises a ball frame, an unmanned aerial vehicle body, a power assembly and a carried airborne module. The unmanned aerial vehicle is provided with a metal frame strip, a ball frame, a blade battery assembly, a rotor wing assembly, a flight control box, an investigation assembly, a rotating shaft, a lifting type camera, an unmanned aerial vehicle body and the like. The investigation assembly is fixed to the rotating shaft through a hook-and-loop fastener. And the lifting camera is hidden at the top of the ball frame. The unmanned aerial vehicle has the beneficial effects that the main material of the unmanned aerial vehicle is prepared by mixing the carbon fibers and the epoxy glue, and the requirement for light weight of the unmanned ...

SINGLE-ROPE ELEVATOR SPEED LIMITER

A single-rope elevator speed limiter, comprises: a box body (1), a signal collector (12) being provided thereon; a speed limiter wheel (2); a ratchet wheel locking mechanism (3) and a centrifugal mechanism (4); a traction rope pressing wheel (6); and a safety gear actuating mechanism (8) and an elevator car traction rope (9). The safety gear actuating mechanism (8) comprises a ratchet wheel (81), a lift-pull plate (82), a signal collector contact piece (83), a lift-pull swing base (84), a lift-pull rod connecting base (85), a lift-pull plate buffering device (86), and a safety gear actuating lift-pull rod (87); the ratchet wheel (81) is provided on a wheel shaft (21) of the speed limiter; one end of the lift-pull plate is fitted over a lift-pull plate shaft (821), and the other end is supported on the lift-pull swing base (84); one end of the signal collector contact piece (83) is fixed to the ratchet wheel, and the other end is a free end; the left end of the lift-pull swing base is hingedly ...

Sunlight analog system for animal experiments

... 本实用新型公开了动物实验用日光模拟系统，该系统包括24V开关电源、光强传感组合电路、四个第一恒流源驱动电路、四个第二恒流源驱动电路、与各第一恒流源驱动电路对应的全光谱灯电路、与各第二恒流源驱动电路对应的LED灯电路。该系统采用光敏电阻采集太阳光强度，通过信号处理及驱动电路控制LED灯和全光谱灯两端的电流，实现这两种灯的亮度同步太阳光的亮度，进而观测光强相同，但频谱不同照明条件下，动物视网膜的变化情况。本实用新型具有功能强、性能可靠、体积小、电路简单等特点，可以实现四路共280W的大功率全光谱灯驱动。 ...

Filter bag type dust collector with self-circulation ash removal device

The invention belongs to the technical field of filter bag dust removers, and discloses a filter bag type dust remover with a self-circulation ash removal device, which comprises a shell assembly, an ash removal device and a dust removal device, the filtering assembly is installed in the cavity in the shell assembly, and the filtering assembly is used for being connected with a pipeline for conveying gas and filtering the gas. A second connecting pipe is inserted into the bottom end in the shell through a top groove, the second connecting pipe is adsorbed through a magnetic plate, so that the second connecting pipe, a first connecting pipe and a filter bag are fixed in the shell, when the filter bag needs to be replaced, only the second connecting pipe and the first connecting pipe need to be pulled, the second connecting pipe, the first connecting pipe and the filter bag are moved to the outside of the shell, and the filter bag can be replaced. When the device needs to replace the filter ...

Flow scheduling method and device, medium and electronic equipment

The invention provides a traffic scheduling method and device, a medium and electronic equipment, and relates to the technical field of communication. The traffic scheduling method comprises the following steps: acquiring the total bandwidth of a current to-be-sent message; under the condition that the total bandwidth is greater than the guaranteed total bandwidth of the plurality of ports, determining the port use duration of the plurality of ports in the current charging period; if the port use duration of each port is greater than a preset duration, determining a target port group in a plurality of candidate port groups, the preset duration being a total duration corresponding to a preset number of bandwidth fee-free charging nodes, and the candidate port groups being determined for the plurality of port groups in advance; the unprocessed messages are forwarded in a grouping mode based on the target port, and the unprocessed messages are the messages left after the messages are sent ...

Driving device and driving method of laser radar

The invention provides a driving device of a laser radar, the driving device is used for driving lasers and a plurality of lasers to work in turn, the driving device comprises a plurality of driving units used for driving the plurality of lasers to emit light successively according to a preset time sequence, and each driving unit comprises at least one energy storage unit, the light source is configured to provide energy for light emission of the corresponding laser; and the energy transfer unit is coupled with the plurality of energy storage units and is configured to transfer at least part of residual energy of the energy storage unit corresponding to the light-emitting laser to the energy storage units corresponding to other lasers. According to the driving device of the laser radar provided by the invention, the residual energy in the energy storage unit corresponding to the currently working laser is transferred through the energy transfer unit, so that the switching loss caused by ...

Method for separating and determining posaconazole Z3 and impurities and solvent thereof by HPLC (High Performance Liquid Chromatography) method

The invention belongs to the technical field of chemical analysis, and particularly relates to a method for separating and determining posaconazole Z3 and impurities and solvents thereof by an HPLC (High Performance Liquid Chromatography) method. According to the method, an octadecyl silane bonded silica gel filler is used as a stationary phase, a mixed solution prepared from a potassium hexafluorophosphate solution and methanol according to the volume ratio of 90: 10 is used as a mobile phase A, a mixed solution prepared from acetonitrile and methanol according to the volume ratio of 90: 10 is used as a mobile phase B, and posaconazole Z3 and related impurities thereof and a solvent toluene are separated through gradient elution; after separation, a detector with the detection wavelength of 210 nm is used for detection. The related impurities comprise an impurity composition consisting of an impurity Z3e and p-toluenesulfonic acid and/or other related impurities, and the other related ...