41results about How to "Damage effective" patented technology

The invention provides a soft and rigid combination board and a cover film windowing and grounding method thereof. The method comprises the following steps of S01, preparing an FPC (Flexible Printed Circuit) internal layer base material and a hard board base material, and etching an FPC internal layer circuit(s) on the upper surface and / or the lower surface of the FPC internal layer base material; S02, pasting an internal layer cover film(s) on the upper surface and / or the lower surface of the FPC internal layer base material pasted with the FPC internal layer circuit(s); S03, pasting the hard board base material on the FPC internal base material on the internal layer cover films, opening a slot in the hard board base material, and exposing the internal layer cover films to form the soft and rigid combination board; S04, using laser to carry out grounding and windowing processing on the internal layer cover films on the bottom part of the slot of the hard board base material, and scorching the internal layer cover films through the laser to form a grounding window, and exposing the FPC internal layer circuits; S05, after scorching, pasting electromagnetic shielding layers on the exposed FPC internal layer circuits to form grounding continuity. According to the soft and rigid combination board and the cover film windowing and grounding method thereof, the production efficiency is high, the quality of the board is good, and the production cost is low.

The invention discloses a reverse connection preventing input circuit and DC (direct current) input equipment. In the input circuit, a first input end of the input circuit is connected with a first output end of the input circuit through a first switch; a first diode is connected in parallel with the first switch; a second input end of the input circuit is connected with a second output end of the input circuit; a first input end and a second input end of a voltage detection unit are correspondingly connected with the first output end and the second output end of the input circuit respectively; and the voltage detection unit is used for detecting whether voltage exists between the two output ends of the input circuit, and controlling to turn on / off the first switch according to the detection result. The input circuit can improve the electric energy utilization efficiency of the DC input equipment, and can effectively perform long-time protection on reverse power polarity of the DC input equipment.

The invention relates to a method for separating and culturing human adipose-derived stem cells. The method comprises the following steps: (1) digesting an adipose suction substance by adopting a mixed digestive enzyme solution which consists of collagenase I, collagenase II and ACCUTASE, neutralizing the digestive enzyme after digesting is ended, centrifuging, filtering, and then further removinghybrid cells by using a lymphocyte separating liquid; (2) culturing adipose-derived stem cells by adopting a serum-free culture medium. According to the method for separating and culturing the humanadipose-derived stem cells, on one hand, cells can be dissociated from an adipose tissue quickly and effectively, the yield of the stem cells is improved, the cell separating time is shortened, and the activity of the cells is kept to the greatest extent; on the other hand, the culture medium is clear in components, does not contain any exogenous serum component, can remarkably improve the wall adhering capacity and the multiplication capacity of the adipose-derived stem cells, is beneficial to in-vitro amplification and stemness maintenance of the adipose-derived stem cells, and has a good application prospect.

The invention relates to the field of daily chemicals and in particular relates to a hair care composition and a preparation method thereof. The hair care composition comprises lactate, pyrrolidone carboxylate, amino-modified siloxane, volatile siloxane and a water-containing carrier; and the water-containing carrier comprises a cationic surfactant, an aliphatic compound, deionized water and other components. The composition disclosed by the invention can provide good moisture retention and excellent conditioning property for hair, such as combability of wet and dry hair and the like.

The invention discloses a CO-OFDM transmission system nonlinear damage compensation system and method, and the system comprises a radio frequency OFDM transmitter which carries out the modulation andmapping of a to-be-transmitted signal, and transmits the modulated and mapped signal to an optical I / O modulator; an optical I / O modulator which converts the received signal from an electric signal into an OFDM optical signal, and transmits the OFDM optical signal to an optical fiber link; each OPC optical phase conjugation device in the optical fiber link couples the signals and generates opposite signals through a high nonlinear optical fiber HNLF so as to compensate nonlinear damage of the optical fiber link; the optical fiber link sends an output signal to the optical coherence detector; the optical coherence detector demodulates the received signal, demodulates the optical signal into an electric signal, and sends the demodulated electric signal to the radio frequency OFDM receiver; and the radio frequency OFDM receiver restores the received electric signal.

The invention relates to preparation and applications of a biologically camouflaged targeting nano drug delivering system for treating ischemic cerebral stroke. The nano drug delivering system is compose of a drug, an inner core drug carrier, a biologically camouflaging shell, and a target finding material, wherein the drug is bilobalide B, the inner core drug carrier is recombinant high density lipoprotein, a drug is physically embedded into the drug carrier to form a drug loaded inner core; the biologically camouflaging shell is a blood platelet membrane, the drug loaded inner core is embedded in the blood platelet membrane in a co-extrusion mode to form a biomimetic drug loaded nano particle; the target finding material is a cerebral ischemia targeting peptide (CITP), and the CITP is used to modify the surface of the biomimetic drug loaded nano particle to form the biologically camouflaged targeting nano drug delivering system. Recombinant high density lipoprotein is used to wrap bilobalide B to form the drug loaded inner core, a blood platelet membrane and a blood platelet with a CITP modified surface are taken as the biomimetic shells to construct a nano particle for treatingischemic cerebral stroke, the circulation time of the nano particle in human body is prolonged, and the nano particle has a good targeting performance.

The invention discloses a molecular biological model for eliminating oral pigment biofilm with protease and a preparation method thereof. According to the invention, a self-assembly protein film is formed on the surface of a QCM-D (quartz crystal microbalance with dissipation monitoring) or SPR (surface plasmon resonance) chip to build an in-vitro model of an oral protein biofilm; then a common edible pigment compound is added, and the adsorption and desorption reaction between the pigment and protein on a biochip is in-situ, real-time and dynamically monitored on QCM and SPR, thus a colored biofilm model on the surfaces of teeth and a repairing material is built, the mechanism of interaction between the pigment and protein is researched, and the mechanism of coloring, caused by the pigment, of the surfaces of natural teeth and artificial material is explored; and the adsorbed protein / pigment film is further catalytically degraded by protease (such as papain), the efficiency of the biological protease in degrading the pigment under different experiment conditions is researched, and the bioactivity of the biological protease under different experiment conditions is explored, thus an optimal experiment condition for safely and efficiently hydrolyzing the pigment biofilm with the biological protease is screened.

The invention relates to the technical field of engines, in particular to an efficient hybrid engine cooling system and an engine cooling method. The efficient hybrid engine cooling system comprises amain mechanical water pump, a cylinder cover water jacket, a cylinder body water jacket, an EGR cooler, a temperature regulator and a radiator which are sequentially communicated end to end to form water circulation. A second one-way valve and an electronic water pump are sequentially connected between the water inlet end of the cylinder cover water jacket and the water outlet end of the EGR cooler in series, a first one-way valve is arranged on a main water way between an engine oil cooler and the second one-way valve, and the circulation direction of the first one-way valve is consistent with that of the main water way. The circulation direction of the second one-way valve is set to be the direction from the electronic water pump to the second one-way valve. According to the system andthe method, a circulation loop is the shortest after an engine is shut down, the resistance is low, the heat dissipation efficiency of a turbocharger is improved, and the operation reliability of theengine is maintained.

The invention provides a protection device and a cable with the protection device. The protection device is used for protecting a gas insulation enclosed switchgear terminal of a cable. The protectiondevice comprises a protective casing sleeved on the outer periphery of the terminal; and a buffer structure disposed in the protective casing to isolate the terminal from the inner wall surface of the protective casing; wherein when the cable is repaired, the protection device is sleeved on the outer periphery of the terminal to protect the terminal. By applying the technical solution of the present invention, the problem of high damage rate of the GIS terminal in the repair process of the cable line in the prior art can be solved.

The invention relates to an air purification method and an air purification system for an indoor place and belongs to the technical field of air purification. The air purification method comprises thestep that pre-purification is performed, wherein when it is detected an air quality deterioration source enters the indoor place from an entrance of the indoor place, the air in the indoor place is pre-purified; and by detecting whether the air quality deterioration source enters the indoor place from the entrance of the indoor place, when the air quality deterioration source enters the indoor place, the air in the indoor place is subjected to preventive cleaning treatment in advance, so that it is avoided that the air purification treatment is not started until it is detected that the air quality deteriorates to the predetermined level or above in the entire purification process, the air quality in indoor places is maintained effectively, and the air purification method and the air purification system can be widely applied to the air purification in the places such as toilets and smoking rooms.

The invention relates to an angle-adjustable type damping dehumidifier which comprises a machine shell, a dehumidifier body, a flexible soft pipe, a damping device and an exhaust adjusting device. Thedamping device is installed at the lower end of the interior of the machine shell. The dehumidifier body is installed at the upper end of the damping device. The exhaust adjusting device is installedat the upper end of the machine shell. The upper end of the dehumidifier body is connected with the exhaust adjusting device through a telescopic soft pipe. By means of the angle-adjustable type damping dehumidifier, the problems that when an existing dehumidifier works, the vibration amplitude is large, noise is high, inner equipment damage of the dehumidifier is likely to be caused due to long-time vibration, the service life of the dehumidifier is shortened, in addition, the use effect is poor, operation is complex, the dehumidifying effect is not obvious, dry air generated by the dehumidifier can only be blown in one direction, the air blowing angle cannot be adjusted, the dehumidifying effect is poor, operation is complex, and the dehumidifying efficiency is low are solved; and the functions of conducting damping on the dehumidifier and discharging dry gas generated by the dehumidifier at any angle are achieved.

The invention belongs to a pharmaceutical composition for treating atherosclerosis and its application; the pharmaceutical composition is prepared from the following raw materials: cyclovir buxicine D, barretoxin, and swertiamarin; it has stable quality control, It is safe and effective, natural and non-toxic, and suitable for long-term use.

The invention discloses an anti-leakage construction process for installation of an external flush type external window. The anti-leakage construction process comprises the following steps that (1) construction preparation is conducted; (2) a base layer is cleaned and treated; (3) an outer slope type water apron platform is constructed; (4) an inner tongue-and-groove is constructed, and an outer window water stop pull piece groove is reserved; (5) a polyurethane waterproof coating is constructed; (6) an external window is installed and fixed; (7) gluing and sealing are conducted; and (8) external thermal insulation construction and angle steel corner protection are conducted. According to the anti-leakage construction process, the external window is installed outside in an aligned mode, the windowsill and window heat preservation procedure is omitted, cutting and using of sporadic organic blocks are greatly reduced, pollution of non-degradable floating objects to the environment is reduced, and the influence of noise on surrounding residents is reduced.

The invention relates to an angle-adjustable type damping dehumidifier which comprises a machine shell, a dehumidifier body, a flexible soft pipe, a damping device and an exhaust adjusting device. Thedamping device is installed at the lower end of the interior of the machine shell. The dehumidifier body is installed at the upper end of the damping device. The exhaust adjusting device is installedat the upper end of the machine shell. The upper end of the dehumidifier body is connected with the exhaust adjusting device through a telescopic soft pipe. By means of the angle-adjustable type damping dehumidifier, the problems that when an existing dehumidifier works, the vibration amplitude is large, noise is high, inner equipment damage of the dehumidifier is likely to be caused due to long-time vibration, the service life of the dehumidifier is shortened, in addition, the use effect is poor, operation is complex, the dehumidifying effect is not obvious, dry air generated by the dehumidifier can only be blown in one direction, the air blowing angle cannot be adjusted, the dehumidifying effect is poor, operation is complex, and the dehumidifying efficiency is low are solved; and the functions of conducting damping on the dehumidifier and discharging dry gas generated by the dehumidifier at any angle are achieved.

The invention discloses an internal and external pressure balancing mechanism for a motor controller. The internal and external pressure balancing mechanism comprises a base plate and a PCB (Printed Circuit Board), wherein the PCB is fixedly arranged on the base plate; a shell for packaging the PCB is arranged above the PCB; at least one set of ventilating parts composed of a plurality of vent holes are arranged on the shell; and ventilating film sets for covering the vent holes are arranged on the ventilating parts. The internal pressure and external pressure of the controller can be kept consistent under the condition of the change in internal and external environmental temperature of the controller. The damage to the products caused by the internal and external pressure difference can be eliminated.

The invention provides a method for opening a window and grounding a soft-rigid board and its cover film, wherein the method includes the following steps: S01, preparing an FPC inner layer base material and a hard board base material, and placing the FPC inner layer base material on the FPC inner layer base material Etch the FPC inner layer circuit on the surface and / or the lower surface; S02, paste the inner layer cover film on the upper surface and / or lower surface of the FPC inner layer substrate with the FPC inner layer circuit; S03, paste the hard board substrate On the FPC inner layer base material on the inner layer cover film, and open a slot on the hard board base material to expose the inner layer cover film, and form a soft-rigid combination board; S04. The inner cover film is grounded and window-opened, and the inner cover film is burned by laser to form a ground window and expose the FPC inner layer circuit; S05. After burning, paste an electromagnetic shielding layer on the FPC inner layer circuit to form a grounding conductor Pass. The invention has high production efficiency, good board quality and low production cost.

The invention discloses a communication cable which comprises a cable core, wherein the cable core is externally wrapped by a tape; the surface of the tape is wrapped by a shielding layer; the shielding layer is externally wrapped by a cable sheath; the cable core at least comprises a conductor and a conductor sheath; the conductor sheath is tightly wound around the conductor; an insulating layer is arranged between the conductor and the conductor sheath; the insulating layer is made of polyethylene; a heat preservation material is arranged on the surface of the shielding layer; the shielding layer is made of a metal material. By adopting the communication cable disclosed by the invention, the consumption of materials can be reduced, the cost can be lowered, the shielding effect can be improved, and a heat preservation function is achieved.

The invention discloses a grinding wheel with a potassium and sulfur compound. The grinding wheel comprises a grinding wheel base body. Hexagonal shallow grooves and a gear opening are machined in thegrinding wheel base body, and the gear opening is in butt joint with the hexagonal shallow grooves in the outermost edge. The grinding wheel is further sequentially coated with a grinding wheel resinlayer, a potassium and sulfur compound layer and an abrasive layer. The grinding wheel with the potassium and sulfur compound is specific to the problem that when a traditional grinding wheel is usedfor grinding a workpiece, the transient temperature can reach 600 DEG C, a workpiece is likely to be damaged, and the grinding wheel is likely to be damaged, the potassium and sulfur compound is added in the grinding wheel preparing process, the melting point of the potassium and sulfur compound is only 480 DEG C, and the potassium and sulfur compound can be melted enough under the grinding high-temperature condition; and meanwhile, the hexagonal shallow grooves and the gear opening are machined in the grinding wheel so that the molten liquid potassium and sulfur compound can seep from the hexagonal shallow grooves and be transited to the cutting edge position of the grinding wheel through the gear opening, the cut workpiece is effectively cooled, the temperature of the cut workpiece is low, the cutting speed is high, the cutting efficiency is greatly improved, and the cutting time is shortened.

The invention belongs to the field of pharmacy, disclosing a novel purpose of lipoamide which is used for preparing a preparation for preventing or curing diseases being relevant to cell trauma. The invention discloses the novel purpose at the aspect of preventing and curing cell trauma for the first time; in addition, the extremely effective easing and curing function of the lipoamide to the trauma of retinal pigment epithelium cell is disclosed for the first time, the pharmacological actions are very obvious, no any toxic and side effects appear and the admirable medicated prospect can be reached.

The invention relates to a test fixture and a test method. The test fixture is used to detect the USB board and includes: a carrier, the carrier is provided with a first positioning structure and a second positioning structure, the first positioning structure is used to fix the main board, and the second positioning structure is used for For fixing the USB board, the FPC board is used to connect the motherboard and the USB board; the power supply is used to connect with the motherboard and can supply power to the motherboard; and the display screen is used to connect with the motherboard to display the test results. It can prevent damage to USB board or motherboard. Even if the FPC board may be damaged, it will not damage the main board and USB board, so the FPC board effectively protects the main board and USB board, ensuring the safety of the test. In addition, the cost of the FPC board is very low, and the test cost will not be increased due to the damage of the FPC board. At the same time, both the main board and the USB board are fixed, which improves the fastening efficiency between the FPC board, the main board and the USB board, thereby improving the test efficiency.

The invention discloses a control method of a membrane contactor combining ultrasonic monitoring and ultrasonic cleaning for membrane pollution, and the control method comprises the following steps: combining ultrasonic monitoring and cleaning, transmitting ultrasonic waves to a membrane surface through a high-frequency probe for monitoring, collecting an ultrasonic reflection spectrogram in real time, and calculating the thickness of a membrane pollution layer according to the difference of signal arrival time. When the pollution degree affects the normal operation of the membrane contactor, the high-frequency ultrasonic probe is replaced, and the low-frequency probe is used for cleaning the membrane pollution by utilizing the ultrasonic cavitation effect. And the cleaning effect can be verified again through ultrasonic monitoring until the membrane pollution is thoroughly cleaned, and the membrane contactor is ensured to recover the optimal state. Different low frequencies are selected for pollutants of different degrees so as to achieve the optimal cleaning effect. According to the method, only the probe needs to be replaced, the monitoring and cleaning processes are continuously carried out, the work of the membrane contactor does not need to be interrupted, the operation efficiency and the equipment utilization rate are improved, meanwhile, membrane damage and operation complexity are reduced, and the monitoring and cleaning processes are coherent and concise.

The invention belongs to a feed, and particularly relates to a compound feed for enhancing the physiological functions of intestinal mucosa and liver / pancreas cells of fishes, which contains fish meal, soybean meal, rapeseed meal, cottonseed meal, wheat, rice bran, rice bran meal, calcium biphosphate, zeolite powder, bentonite, DL carnitine, soybean oil, vitamin-mineral premix, ursodeoxycholic acid, taurine, glutamine and yeast culture. An experimental fish raised with feed, which serves as an experimental fish for the separation and primary culture of intestinal mucosa cells and liver cells,can obtain healthy intestinal mucosa cells and healthy liver cells, moreover, the physiological condition of the experimental fish can be kept in consistency, and the repeatability of a separation and primary culture experiment on the intestinal mucosa cells and the liver cells.

The invention relates to a washing method for a polysulfone gas filter membrane contaminated by dust and oil and belongs to the field of membrane washing. The method comprises the following steps: ultrasonically washing the contaminated membrane in an oscillating manner, and then carrying out the chemical washing by firstly utilizing sodium hypochlorite and then utilizing citric acid. By adopting the washing method, the breathability of the contaminated membrane can be well restored after the membrane is washed. The washing method also has the advantages of low washing cost, no pollution and the like.

The invention belongs to the field of pharmacy, disclosing a novel purpose of lipoamide which is used for preparing a preparation for preventing or curing diseases being relevant to cell trauma. The invention discloses the novel purpose at the aspect of preventing and curing cell trauma for the first time; in addition, the extremely effective easing and curing function of the lipoamide to the trauma of retinal pigment epithelium cell is disclosed for the first time, the pharmacological actions are very obvious, no any toxic and side effects appear and the admirable medicated prospect can be reached.

The utility model discloses a polyfluortetraethylene plate cutting device convenient to use, and relates to the technical field of polyfluortetraethylene plate processing, the polyfluortetraethylene plate cutting device comprises a supporting table, the top of the supporting table is fixedly provided with a cutting table, the front side of the cutting table is fixedly provided with a controller, and the top of the cutting table is provided with a limiting groove; a cutting groove is formed in the middle of the bottom of the limiting groove, and cutting equipment is arranged in the cutting groove. Through mutual cooperation of the first motor, the transmission wheel, the transmission belt, the rotating wheel, a threaded column, a threaded sleeve block, a connecting plate, a lifting plate, a pressing spring and a fixing plate, the problems that an existing cutting device is poor in stability, a polytetrafluoroethylene turning plate is prone to deviation when the polytetrafluoroethylene turning plate is cut, cutting is uneven, and cutting efficiency is poor are solved. The problem that the cutting quality of the device is affected due to the fact that the device is arranged is solved, the lifting extrusion function is achieved, the cut polyfluortetraethylene plate is effectively fixed, deviation during cutting is prevented, and the cutting quality of the device is improved.

This application relates to the technical field of diffraction grating protection, and specifically discloses a protection method for diffraction gratings, including S1, melting the paraffin into a liquid state; S2, dripping the melted paraffin on the surface of the diffraction grating; S3, bonding the protective glass on the On paraffin; S4, after the paraffin is solidified, the diffraction grating and protective glass are stored and transported as a whole; S5, when needed, put the diffraction grating and protective glass into an organic solvent capable of dissolving paraffin for rinsing, and after the paraffin is dissolved, take out the diffraction grating. raster. The protection method of the diffraction grating provided by the present invention has simple process, readily available materials, low toxicity, and low cost, and can effectively protect the surface of the grating from damage during the cutting process, thereby realizing efficient and high-quality manufacture of the diffraction grating.

The invention discloses an anti-reverse connection input circuit and a DC input device. The input circuit comprises: the first input end of the input circuit is connected to the first output end of the input circuit through a first switch; the first diode and the second A switch is connected in parallel; the second input end of the input circuit is connected to the second output end of the input circuit; the first input end and the second input end of the voltage detection unit are respectively connected to the first output end and the second output end of the input circuit; The voltage detection unit is used for: detecting whether there is a voltage between the two output terminals of the input circuit, and controlling the closing and opening of the first switch according to the detection result. The input circuit can improve the electric energy utilization efficiency of the DC input equipment, and can effectively protect the reverse polarity of the power supply of the DC input equipment for a long time.

The present disclosure discloses a system and method for nonlinear damage compensation of a CO-OFDM transmission system, including: a radio frequency OFDM transmitter, the radio frequency OFDM transmitter performs modulation mapping on a signal to be transmitted, and sends the modulated and mapped signal to an optical I / O modulator; the optical I / O modulator converts the received signal from an electrical signal to an OFDM optical signal, and transmits the OFDM optical signal to the optical fiber link; each OPC optical phase conjugation device in the optical fiber link Coupling the signal and generating the opposite signal through the highly nonlinear optical fiber HNLF, thereby compensating the nonlinear damage of the optical fiber link; the optical fiber link sends the output signal to the optical coherent detector; the optical coherent detector detects the received signal Perform demodulation, demodulate the optical signal into an electrical signal, and send the demodulated electrical signal to the radio frequency OFDM receiver; the radio frequency OFDM receiver restores the received electrical signal.

The invention belongs to a pharmaceutical composition for treating atherosclerosis and application. The pharmaceutical composition is prepared from cyclovirobuxine D, periplocin and swertiamarin. The pharmaceutical composition has the advantages of being stable in mass control, safe, effective, natural, free of toxicity and suitable for being taken for a long term.

The invention discloses a grinding wheel sheet with potassium-sulfur compound, which comprises a grinding wheel sheet base, on which a hexagonal shallow groove and a gear opening are processed, and the gear opening and the hexagonal shallow groove at the outermost edge Butt jointing; the grinding wheel sheet is further coated with a grinding wheel sheet resin layer, a potassium-sulfur composite layer and an abrasive layer in sequence. The invention aims at the problem that the instantaneous temperature of the traditional grinding wheel can reach 600°C when grinding the workpiece, which easily affects the damage of the workpiece and the damage of the grinding wheel itself. The melting point is only 480°C, which is enough to melt under high-temperature grinding conditions. At the same time, hexagonal shallow grooves and gear ports are processed on the grinding wheel, so that the molten liquid potassium-sulfur compound can seep out of the hexagonal shallow grooves. And from the gear mouth to the cutting edge of the grinding wheel, the temperature of the cutting workpiece is effectively cooled. The temperature is low and the cutting speed is fast, which greatly improves the cutting efficiency and shortens the cutting time.