前置过滤器

Automatic hidden display control system for wireless remote control target

The utility model discloses an automatic hidden display control system of a wireless remote control target, which comprises the target. The device further comprises a target body mechanism, a swing mechanism and a remote controller, the target body mechanism is composed of a box body, a wireless receiver, an automatic hidden display control circuit and a power source, the wireless receiver, the automatic hidden display control circuit and the power source are all arranged in the box body, a rubber suction cup is arranged at the bottom of the box body, the wireless receiver is connected with the automatic hidden display control circuit, and the swing mechanism is connected with the remote controller. The power supply transmits power to each component in the box body through a lead; the swinging mechanism is composed of a steering engine, a rocker arm and a telescopic rod, the telescopic rod is fixedly connected with the rocker arm through a screw, the rocker arm is fixedly connected with ...

INFORMATION PUSH METHOD AND APPARATUS, SERVER, AND STORAGE MEDIUM

An information push method and apparatus, a server, and a storage medium. The method comprises: obtaining first history records according to history behaviors, the first history records comprising a history record of each push object in a first push object set, and the first push object set being a set formed by used push objects; filtering the first push object set according to a preset policy and the first history records, so as to obtain a second push object set; determining a correlation between every two push objects between to-be-recommended push objects in the second push object set and other push objects according to second history records corresponding to the second push object set and a preset similarity model; determining a push object corresponding to a first correlation satisfying a first preset condition among all correlations of the to-be-recommended push objects, as a first correlated push object of the to-be-recommended push objects; and pushing a to-be-recommended push ...

Unmanned aerial vehicle safe flight method based on finite-state machine

The invention relates to an unmanned aerial vehicle safe flight method based on a finite-state machine, and belongs to the technical field of unmanned aerial vehicles. A UDP mode that one client side corresponds to a plurality of server sides is adopted, a human-computer interface can be unified, and environment configuration is simplified. The method is suitable for a scene with few unmanned aerial vehicles; according to the method, the functions of the remote controller are realized in codes as much as possible, and after the remote controller is started and unlocked, an operator can be completely separated from the remote controller in the flight process. According to the method, take-off, landing and simple pose change of the unmanned aerial vehicle are controlled by adopting position control; according to the method, a self-inspection part before takeoff is added, and takeoff can be performed after the inspection is passed, so that the safety of people and aircrafts is better guaranteed ...

Method for enhancing anti-tumor capability of gamma delta T cells

The invention relates to the technical field of biology, in particular to a method for enhancing anti-tumor capacity of gamma delta T cells, which comprises the following steps: firstly, obtaining peripheral blood mononuclear cells (PBMCs) through a lymphocyte separating medium, and then performing stimulation culture by using a serum-free T cell culture medium containing zoledronic acid, IL-2 and IL-15; and culturing for 6 days, adding CD137 and intestinal bacteria which are formed by compounding bifidobacteria and lactic acid bacteria, stimulating to improve the anti-tumor activity of the gamma delta T cell, and culturing for 10-15 days to obtain the gamma delta T cell with high killing activity. The PBMCs do not need to be purified, gamma delta T cells with the purity being 90% or above can be obtained after culture is conducted for 10-15 days, and the obtained gamma delta T cells co-express a V delta 2 chain and a V gamma 9 chain; the anti-tumor activity of gamma delta T cells is obviously ...

Parking power generation method, device and equipment and vehicle

The invention provides a parking power generation method, device and equipment and a vehicle, and the method comprises the steps: if the vehicle is in a material waiting state, obtaining the material waiting state information of the vehicle; wherein the material waiting state information comprises a parking signal and a neutral gear signal; and if the material waiting state information meets the power generation condition, the rotating speed of an engine of the vehicle is controlled to adjust the charging current of a battery. The power generation efficiency can be improved, operators do not need to stand by nearby the vehicle all the time, and the labor cost and the control cost can be reduced.

Manufacturing method of wind power blade root end baffle mold

The invention discloses a manufacturing method of a wind power blade root end baffle mold, the wind power blade root end baffle mold comprises a root end baffle male mold and a root end baffle female mold, the manufacturing method comprises the following steps: step 1, manufacturing the root end baffle male mold; 2, the surface of the root end baffle male die is polished till the surface is smooth; 3, a release agent is smeared 5-6 times, and a layer of mold gel coat is smeared; 4, when the surface is in a semi-cured state, a layer of chopped strand mat or a layer of surface adhesive is laid, after two layers of biaxial cloth are pasted manually, the whole body is covered with demolding cloth, and curing is conducted for 8-9 hours in the normal temperature state; 5, 15-20 layers of double-shaft cloth are laid; and 6, a vacuum system is made, the laid double-shaft cloth is poured, the heating temperature ranges from 80 DEG C to 90 DEG C, demolding is conducted after heating is conducted ...

Large-maneuver agile flight method of quad-rotor unmanned aerial vehicle in complex environment

The invention discloses a large-maneuver agile flight method of a quad-rotor unmanned aerial vehicle in a complex environment. The maneuverability trajectory generation algorithm is designed based on the differential flatness property of the four-rotor unmanned aerial vehicle dynamics, the trajectory planning optimization function is constructed through the minium snap, and reliable following of the maneuverability trajectory is realized by using the composite cascade PID controller. The invention further provides a hardware structure of the quad-rotor unmanned aerial vehicle suitable for large-maneuvering agile flight, and the quad-rotor unmanned aerial vehicle has the advantages of light weight, compact design and good dynamic symmetry. According to the method, a machine learning method is not needed, real-time planning is realized only by depending on an airborne sensor and computing power resources, the problem that the quadrotor unmanned aerial vehicle realizes large-acceleration and ...

Convenient eyebrow subsides

... 本实用新型公开了种便捷眉贴，包括背贴层和粘贴在背贴层上的粘胶层，粘胶层包括分割开来但又无缝相邻的底片、画眉片和设置在画眉片的中部的眉形片，眉形片为眉毛形状且与画眉片颜色相异。本实用新型，由于设置了粘贴固定的背贴层和粘胶层，粘胶层在存放时会保持良好的形态，不会像眉卡发生弯折后影响使用等问题，方便存放，当使用时，能轻松将画眉片从背贴层上撕下，此时底片和眉形片仍粘在背贴层上，画眉片上就会出现与眉形片形状相同的空缺，通过适当调整将画眉片粘在眉毛周围的合适位置，用眉粉或其他眉毛产品对空缺区域进行填充，即可得到眉形完美的眉毛，结构简单，不会发生手抖而产生位置偏移的情况，使用非常方便。 ...

Negative pressure elephant trunk concrete conveying method

The invention provides a negative pressure elephant trunk concrete conveying method, which is characterized in that a negative pressure elephant trunk concrete conveying system is arranged above a large-fall deep foundation pit structure of to-be-poured concrete, the system comprises a negative pressure vacuum pump, a collecting hopper, an elephant trunk, a chute, a flow velocity meter and a central control system, the upper end of the elephant trunk is hermetically connected with the negative pressure vacuum pump, and the lower end of the elephant trunk is hermetically connected with the collecting hopper; the lower end of the articulated chute is connected with one end of the chute, the top, close to the upper end, of the articulated chute is provided with an opening, the opening is connected with a discharging opening of the collecting hopper in a sealed mode, the discharging opening of the collecting hopper is provided with an electric opening and closing valve, and the flow velocity ...

Accurate concrete metering device and method

The invention discloses a concrete accurate metering device and method, and relates to the technical field of premixed concrete metering. The problems that an existing concrete metering mode is inaccurate in metering result and poor in applicability are solved. The system comprises a metering pipeline, at least three groups of infrared detection generators, an information receiving processor and a data platform, the at least three groups of infrared detection generators are distributed at equal intervals and fixedly embedded in the inner wall of the metering pipeline, the infrared detection generators are in signal connection with the information receiving processor, and the information receiving processor is connected with the data platform. The metering method comprises the following steps: measuring metering data of flowing concrete by using a plurality of groups of infrared detection generators which are embedded and fixed on the inner wall of the metering pipeline at equal intervals ...

Mechanical automatic fire extinguishing device

The invention provides a mechanical automatic fire extinguishing device, relates to the technical field of fire extinguishing equipment, and solves the problem of lack of an automatic fire extinguishing device for small space use in the prior art. The device comprises a shell, a liquid outlet mechanism, a sealing membrane structure and a fire source detection mechanism, a cavity used for containing a fire extinguishing agent is formed in the shell, the liquid outlet mechanism and the fire source detection mechanism are both arranged in the cavity, a part of section of the fire source detection mechanism is arranged outside the shell, and the sealing membrane structure is arranged in the liquid outlet mechanism. When the external environment temperature reaches a set value, the fire source detection mechanism can be triggered to respond, high-pressure gas is released into the cavity, and a fire extinguishing agent in the cavity can be pushed by the high-pressure gas to open the sealing diaphragm ...

Remote assistance method for resuscitation process in trauma resuscitation unit

The embodiment of the invention provides a remote assistance method for a resuscitation process in a trauma resuscitation unit. The remote assistance method comprises the following steps: acquiring trauma information of a to-be-resuscitated person; determining a corresponding preset resuscitation process based on the wound information; determining a key treatment process video stream based on the first view video information, the second view video information and a preset resuscitation process; processing the key treatment process video stream based on a preset feature to obtain a key video stream needing remote assistance; performing amplification display and/or slow display on the key video stream at a remote end; wherein the preset resuscitation processes are some resuscitation processes which play an important role in the resuscitation condition of the patient to be resuscitated or a resuscitation process with high operation difficulty, and the key treatment process video stream is ...