103results about How to "Efficient export" patented technology

A viral vector production system is provided which system comprises: (i) a viral genome comprising at least one first nucleotide sequence encoding a gene product capable of binding to and effecting the cleavage, directly or indirectly, of a second nucleotide sequence, or transcription product thereof, encoding a viral polypeptide required for the assembly of viral particles, (ii) a third nucleotide sequence encoding said viral polypeptide required for the assembly of the viral genome into viral particles, which third nucleotide sequence has a different nucleotide sequence to the second nucleotide sequence such that said third nucleotide sequence, or transcription product thereof, is resistant to cleavage directed by said gene product; wherein at least one of the gene products is an external guide sequence capable of binding to and effecting the cleavage by RNase P of the second nucleotide sequence. The viral vector production system may be used to produce viral particles for use in treating or preventing viral infection.

The invention relates to a novel elongase gene with the sequences stated in sequence SEQ ID NO:1, SEQ ID NO: 3, SEQ ID NO: 5 and SEQ ID NO: 7 or their homologs, derivatives or analogs, to a gene construct comprising this gene or its homologs, derivatives and analogs, and to its use. The invention also relates to vectors or transgenic organisms comprising an elongase gene with the sequence SEQ ID NO:1, SEQ ID NO: 3, SEQ ID NO: 5 and SEQ ID NO: 7 or its homologs, derivatives and analogs. The invention furthermore relates to the use of the elongase gene sequences alone or in combination with further elongases and / or further fatty acid biosynthesis genes. The present invention relates to a novel elongase gene with the sequence SEQ ID NO:1 or its homologs, derivatives and analogs.Furthermore, the invention relates to a process for the preparation of polyunsaturated fatty acids and to a process for introducing DNA into organisms which produce large amounts of oils and, in particular, oils with a high content of unsaturated fatty acids. Moreover, the invention relates to an oil and / or a fatty acid preparation with a higher content of polyunsaturated fatty acids with at least two double bonds and / or a triacylglycerol preparation with a higher content of polyunsaturated fatty acids with at least two double bonds.

The invention discloses an efficient heat radiation device for a lithium ion power battery. The device comprises a thermal-arrest panel which can tightly fit with the battery, a U-shaped heat pipe filled with a working fluid and a radiating fin group. A bent part in the middle of the U-shaped heat pipe is embedded in the thermal-arrest panel, and overhanging parts at two ends of the U-shaped heat pipe extend out of the thermal-arrest panel. The radiating fin group is tightly secured to the overhanging parts of the U-shaped heat pipe through holes. By the device, efficient heat radiation of the lithium ion battery can be realized, and temperature uniformity between single batteries of a battery pack is raised. Thus, usability of the battery pack is raised, the thermorunaway risk is reduced, and service life of the battery pack is prolonged. A phase-change heat-transfer element heat pipe with high heat transfer coefficient is adopted. The phase-change heat-transfer element heat pip has good heat storage and heat radiation properties and has high operation reliability. Meanwhile, the device provided by the invention has advantages of simple structure and low cost, and is energy-saving and environmentally friendly.

The present invention discloses a speaker module comprising module shells. The module shells are mutually matched to form an inner cavity with a containing space. A speaker module is contained in the inner cavity and comprises a diaphragm which separates the inner cavity of the speaker module into a front cavity and a back cavity. The front cavity communicates with the external space. The inner cavity is internally provided with a heat radiator which comprises a heat conduction part and a heat radiation part. The heat conduction part is contacted with the speaker module. The heat radiation part extends to the front cavity and the back cavity at the same time. According to the speaker module, heat radiation is carried out through convection in the front cavity, the heat radiation is carried out through radiation in the back cavity, the heat radiation efficiency is high, and the heat radiation effect is good.

The invention discloses a He-Ne laser frequency stability measuring system, aiming to overcome the defects that the traditional system is only suitable for a normal environment and can not measure the frequency stability of a laser in environments of vibration, quickly changing temperature and the like. In the whole measuring system, an iodine stabilizing He-Ne laser is used as a frequency standard, an optical fiber measuring head is used to lead laser emitted from the He-Ne laser to be detected out from environments of vibration or quickly changing temperature to form interference with the iodine stabilizing He-Ne laser and generate stable beat frequency signals. Signal processing, such as filtering, amplifying, noise removing and the like, is carried out on the beat frequency signals through a special beat frequency signal measuring system to obtain a beat frequency value, the beat frequency value is transmitted to a computer through a USB interface for displaying and storing, and a frequency stability value is obtained through calculation. The invention has the advantages of leading out laser to be detected, isolating environment influences and keeping the polarization characteristics of the laser to be detected. The invention is suitable for measuring the He-Ne laser in the environments of vibration, quickly changing temperature and the like.

The invention provides a lane change estimation device, a lane change estimation method, and a storage medium. The lane change estimation device includes a detection unit that detects a surrounding situation of an own-vehicle, a first index value deriving unit that derives a first index value according to a traveling-direction-related relationship between each of a plurality of pairs of vehicles,each pair including two vehicles among the own-vehicle, a first vehicle traveling in front of the own-vehicle in a first lane in which the own-vehicle travels, a second vehicle traveling in front of the own-vehicle in a second lane adjacent to the first lane, and a third vehicle traveling behind the second vehicle in the second lane on the basis of the surrounding situation of the own-vehicle, andan estimation unit that estimates a probability of lane change of the third vehicle on the basis of the first index value derived by the first index value deriving unit and a lateral position of thethird vehicle.

The invention discloses an air cooling heat dissipation mechanism for a wheel hub motor of an electromobile. The air cooling heat dissipation mechanism comprises a wheel hub motor outer shell and a motor winding, and at least two vanes which protrude outwards are distributed on the circumference of the outer surface of one side of the wheel hub motor outer shell in an equidistant mode. Heat generated in the operation process of the wheel hub motor can be quickly scattered by the mechanism, the defects that operation can not be normally conducted due to too high temperatures caused by overload work such as increasing of the power of the wheel hub motor and increasing of torque are overcome, and the safety in the traveling process of the electromobile is guaranteed.

The invention provides a high-speed high-accuracy electric spindle based on spindle core heat pipe cooling. The high-speed high-accuracy electric spindle comprises an electric spindle core, the front end of the electric spindle core is fixed to a front bearing assembly, the rear end of the electric spindle core is fixed to a rear bearing assembly, the front bearing assembly is connected with the front end of an electric spindle shell, the interior of the electric spindle shell is connected with an electric spindle stator and the rear bearing assembly, the rear end of the electric spindle shell is connected with a rear cover of a cooling cavity, a cooling cavity is formed by the rear bearing assembly and the rear cover of the cooling cavity , the tail end of the electric spindle core stretches deeply into the cooling cavity, the electric spindle core is provided with a spindle core cooling slot channel and sleeved with an electric spindle core sleeve, the tail end of the electric spindle core is connected with a sealing valve, and a clearance exists between the inner surface of the work segment of the middle of the electric spindle core sleeve and the outer surface of the electric spindle core. According to the high-speed high-accuracy electric spindle, efficient outputting of heat generated by the rotor part of the electric spindle is achieved through the phase change process of work media in the spindle core cooling slot channel and the clearance, the temperature of a spindle rotor is controlled, and machining accuracy is improved.

The invention provides a data migration method and device, a storage medium and a program product, and the method comprises the steps: exporting data of an original database table to be exported in an original database to obtain a first file; determining a migration strategy according to capacity information and / or system performance information of the database table, and importing data in the first file into a target database according to the migration strategy to form a target database table; exporting data of the target database table of the target database to obtain a second file; and comparing the content of the second file with the content of the first file, and if the content of the second file is consistent with that of the first file, determining that data migration succeeds. By means of the process, mass data migration, inspection and checking can be completed in a one-button mode. According to the method and the device, the optimal export and import strategy can be selected according to the database table capacity and / or the system performance, efficient and accurate export and import of the data are achieved, manual participation is reduced, in addition, full-amount comparison of the data is achieved based on file comparison, and the accuracy of mass data migration is guaranteed.

The invention discloses an LED (light-emitting diode) tube core with a ZnO-micron and nano composite structure and a preparation method of the composite structure. The LED tube core is prepared in a way that a ZnO-micron graphic array grows on a luminous surface of the LED tube core and a nano rod vertically grows on the ZnO-micron graphic array.; The preparation method comprises the following steps: (1) planting an LED epitaxial wafer and preparing the LED tube core with a complete structure; (2) sputtering a layer of ZnO seed layer on the LED luminous surface; (3) preparing a photoresist micron periodic pattern on the LED surface; (4) taking the photoresist micron periodic pattern as a template to grow the ZnO-micron graphic array; (5) removing photoresist by glue removing liquid to obtain the ZnO-micron graphic array; (6) sputtering a layer of ZnO seed layer on the ZnO-micron graphic array, and (7) growing a ZnO nano rod array on the ZnO-micron graphic array. According to the invention, not only can the emitted light be extracted at higher ratio, but also the uniformity of light emitted from the entire light emitting surface of the light emitting diode is guaranteed.

The invention relates to a system for generating electricity based on temperature difference, in particular to a method and a system for generating electricity by means of the temperature difference formed by a fluid temperature in a pipeline and heat of a working medium discharged from a heat pipe device to a cold source environment and supplying power to equipment. The system specifically comprises a temperature differential generation system, a control circuit and power supply-required equipment. The fluid temperature in a heat supply pipeline and a high-efficiency heat conducting function of the heat pipe device are fully utilized to maintain a stable temperature difference at two ends of a temperature difference-based power generation chip, the temperature difference is utilized to generate the electricity, and a meter is powered or the electricity is accumulated in a power storage device through the control circuit.

The invention relates to a clutch (1) for a motor vehicle, comprising a clutch-actuating element (45), which can be brought into operative relation with a pressure pot (53) in order to actuate the clutch, wherein the pressure pot (53) acts on a pressure plate (20) in order to clamp at least one clutch disk (18) between a pressure plate (20) and a counterpressure plate (17), wherein at least two clutch disks (18) and an intermediate pressure plate (19) that can be clamped between the at least two clutch disks are arranged between the pressure plate (20) and the counterpressure plate (17), wherein at least one of the components in the group comprising the pressure plate (20), the intermediate pressure plate (19), and the counterpressure plate (17) is designed as a sheet-metal plate. The invention further relates to a dual clutch having two partial clutches, which are designed according to the clutch (1) according to the invention.

The invention discloses a high-heat-conductivity heat-radiating nano composite coating which comprises, by weight, 50-60 parts of nano alumina sol, 30-40 parts of high-density polyethylene, 1-3 parts of carbon nano tube, 5-10 parts of titanium phosphate, 10-15 parts of composite filler, 2-3 parts of polyvinylpyrrolidone, 5-9 parts of methyl methacrylate, 2-5 parts of ethyl acetate, 10-15 parts of isopropanol, 5-8 parts of acrylate emulsion, 3-5 parts of nano copper powder and 1-3 parts of triethanolamine. Through reasonable formulation designing, the composite coating has excellent adhesiveness and coating hardness, is efficient in heat radiating after being coated on the surface of an electronic device and is conducive to guiding out heat generated by the electronic device timely and efficiently, so that heat radiating rate is increased, cooling effect is improved, and the composite coating has excellent comprehensive performance and wide market prospect.

The present invention discloses a mobile phone shell convenient for heat dissipation. The mobile telephone shell comprises a mobile phone shell main body, the mobile phone shell main body comprises aback plate and a frame arranged around the back plate, the frame and the back plate are connected to form a cavity configured to hold a mobile phone, the front surface of the back plate is provided with a heat dissipation groove, a heat conduction graphite sheet fits into the internal portion of the heat dissipation groove, a copper foil fits into the upper end face of the heat conduction graphitesheet, the mobile phone shell main body further comprises a liquid cooling cavity which is located at the back portion of the phone shell main body, cooling liquid is sealed in the liquid cooling cavity, and the liquid cooling cavity is connected with the back surface of the back plate. The heat dissipation groove is arranged at the front surface of the back plate on the mobile phone shell, the heat conduction graphite sheet fits into the internal portion of the heat dissipation groove, the copper foil fits into the upper end face of the heat conduction graphite sheet, the heat conduction graphite sheet and the copper foil have high-thermal conductivity to effectively lead out the heat at the back portion of the mobile phone, reduce the temperature of the mobile phone shell main body andallow users not to feel obvious burning hot when the users hold the mobile phone for a long time so as to improve the use experience of the users.

The invention discloses a sunroof glass water diversion structure and a water diversion lug. A sunroof guide rail is provided with a drainage channel which is positioned below a water accumulation trough and is parallel to a water accumulation trough of a sunroof glass support plate; the water diversion lug is provided with a rainwater channel and is connected between a water hole of the water accumulation trough and the drainage channel, so that water accumulated in the sunroof glass support plate can be well discharged, and the sunroof glass support plate is enabled to be matched with sunroof glass of different sizes.

The invention discloses a nuclear reactor oxygen control type liquid metal used under 200-300 DEG C and a compatibility process of the nuclear reactor oxygen control type liquid metal used under 200-300 DEG C. The nuclear reactor oxygen control type liquid metal comprises, by weight percentage, 0.2-0.4 wt.% of Ag, 3.0-5.0 wt.% of Sb, 1.0-2.0 wt.% of Mn, 10.0-15.0 wt.% of Bi, 8.0-12.0 wt.% of Cd, 2.0-3.0 wt.% of Ga, 20.0-30.0 wt.% of Pb and the balance tin. The oxide composition for controlling the oxygen activity is composed of 10.0-12.0 wt.% of PbO, 2.0-5.0 wt.% of CuO, 1.0-4.0 wt.% of Sn2O3, 5.0-8.0 wt.% of AgO, 10.0-20.0 wt.% of ZnO and the balance Fe2O3. When the scheme is applied to liquid metal and pipeline design in the field of nuclear power, the equipment is simple, the construction cost is low, and the heat transfer performance is good; and under the working temperature of 200-300 DEG C, the structure (liquid metal plus oxygen control module plus stainless steel pipeline) can be used for 10 years without major overhaul.

The invention discloses a photo-thermal integration type LED lighting lamp and a manufacturing method of the photo-thermal integration type LED lighting lamp. The photo-thermal integration type LED lighting lamp comprises a cooling device and an LED light source. The cooling device comprises a vapor chamber and cooling fins. The vapor chamber is arranged on the cooling fins. The LED light source is arranged on the vapor chamber. The manufacturing method of the photo-thermal integration type LED lighting lamp comprises the following steps that firstly, a circuit and a die bond area are arranged on one face of a light source substrate, and a weldable layer is arranged on the other face of the light source substrate; secondly, a flip chip is fixed to the die bond area, eutectic soldering is conducted, and then a blue light source; thirdly, dam adhesive is applied to the die bond area around the blue light source, and drying and cooling are conducted; fourthly, the flip chip which is treated in the third step is coated with a fluorescent layer, and then the fluorescent layer is baked and fixed; and fifthly, the LED light source obtained through in the fourth step is welded to the vapor chamber through the weldable layer. The photo-thermal integration type LED lighting lamp has large power; and the manufacturing method of the photo-thermal integration type LED lighting lamp simplifies connection between an LED module and the cooling device and reduces heat resistance.

The invention discloses an eggshell membrane separation device, method and production line. The eggshell membrane separation device includes a shell, a drainage plate, an upper cover plate and a mixing motor. The drainage plate is provided with a diversion groove and a collecting groove, the diversion groove communicates with the collecting groove, the output end of the mixing motor is connected with a mixing paddle, and the mixing paddle is provided with a first large blade and a second small blade; and the shell is further internally provided with a plurality of arc baffles, the baffles aremovably attached to the inner wall of the shell, and each baffle is provided with one or more bulges. Under the combined action of mechanical agitation, shear breaking and physical water separation ofthe device, the cleaning of eggshell membranes and the high-efficiency continuous automatic separation discharging are realized simultaneously. By using the separation method, device and production line, the purity of the eggshell membranes obtained by separation can reach up to 97% or more, and moreover, by additionally arranging a recovery and purification water pool behind an egg membrane collection device, production water can be recycled. The separation method has the significant advantages of convenient operation, high separation efficiency, high purity of the separated egg membranes, continuous and automatic operation and cost saving.

The invention relates to a method and system for generating electricity by use of solar energy, generating the electricity by use of a temperature difference between a fluid in a pipe and a cold source environment and supplying equipment with the electricity, in particular to a method and system for generating the electricity to an instrument by use of the solar energy, supplying the equipment with the electricity, simultaneously discharging heat to the cold source environment by use of the fluid temperature in the pipe and a working medium in a heat pipe device to form the temperature difference and generating the electricity by use of the temperature difference. The solar energy is clean and contains abundant resources; and the electricity can be generated by use of the solar energy, the instrument can be supplied with the electricity through the control circuit or the electricity can be stored for an electrical storage device. Meanwhile, since the mediums in a few of pipe systems are very high in temperature, the stable temperature difference between two ends of a temperature difference power generation piece is kept by full use of an efficient heat-conducting function of the heat pipe device, the electricity is generated by use of the temperature difference, and the instrument is supplied with the electricity through the control circuit or the electricity is stored for the electrical storage device to solve the problems that the solar energy is unstable and unreliable; and solar energy power generation and temperature difference power generation are standby and complementary to each other. A solar power generation system and a temperature different power generation system can be used in combination or individually.

The invention relates to the technical field of rice processing equipment, and discloses a rice processing and conveying device. The rice processing and conveying device comprises a fixed bottom plate, supporting frames are installed on the two sides of the upper end of the fixed bottom plate, conveying rollers are installed at the top ends of the supporting frames, a conveying belt is wound between the conveying rollers, a screening groove is formed in the lower end of the upper-layer conveying belt, a material falling groove is formed in the middle of the lower-layer conveying belt, the twosides of the lower end of the material falling groove are fixed to the upper end of the fixed bottom plate through material falling frames, a material falling box is installed at the lower end of thematerial falling groove, a driving shaft is installed at the bottom end inside the material falling box, a driving gear is installed in the middle of the right end of the driving shaft, a driven gearis meshed with the upper end of the driving gear, a rotating shaft is installed at the upper end of the driven gear, a material falling shaft is clamped inside the upper end of the rotating shaft, andthe top end of the material falling shaft penetrates through the material falling box to be provided with a material falling plate. According to the rice processing and conveying device, broken riceblocked inside the conveying holes in the conveying belt is efficiently guided out, the screening efficiency during conveying is improved, meanwhile, intermittent movement of the conveying belt is achieved, and the screening and conveying effect is further ensured.

The invention discloses a radiating-improved semiconductor light-emitting device, a manufacturing method of the radiating-improved semiconductor light-emitting device and a three-dimensional LED light source. The radiating-improved semiconductor light-emitting device, the manufacturing method and the three-dimensional LED light source are used for improving radiating of light-emitting semiconductors, heat generated by chips can be more rapidly transmitted out, and heat accumulated on the chips and the peripheries of the chips can be reduced. The semiconductor light-emitting device comprises at least two LED chips. Two electrodes of each LED chip are located on one face. Patterned conductive carbon nano tube layers are arranged on the faces, with the electrodes, of the LED chips and serve as wires for electrically connecting the two LED chips. Fluorescent powder layers are arranged on the back faces, without the electrodes, of the LED chips. The radiating-improved semiconductor light-emitting device of the structure is quite small in resistance and heat resistance; in addition, conductive carbon nano tubes serve as the wires for connecting the chips in series or in parallel, the heat in the chips can be more efficiently guided out, and the heat accumulated on the surfaces of the chips can be rapidly radiated to the ambient environment through the conductive carbon nano tube layers.

The invention discloses an environment-friendly heat treatment system. The environment-friendly heat treatment system comprises a first time heating furnace, a buffer chamber, a sprinkling device, a second time heating furnace, a third time heating furnace and at least one dust collection device; the first time heating furnace comprises a first heating chamber which is provided with a heater; the buffer chamber is connected with the first heating chamber which can provide for a flue gas velocity buffer; the sprinkling device comprises a funnel-shaped sprinkling plate which is connected with the buffer chamber and arranged on a rotating base; the second time heating furnace comprises a second heating chamber which is connected with the sprinkling plate and a heater; the third time heating furnace comprises a third heating chamber which is arranged under the second heating chamber and connected with a heater; the dust collection device comprises a dust collection chamber which comprises an inlet, an outlet and a smoke outlet; the inlet is connected between the second heating chamber and the third heating chamber; the outlet of the dust collection chamber is connected under the third heating chamber and provided with a direction valve and a conveyor. According to the environment-friendly heat treatment system, the applicability is good and the consistent efficient environment-friendly treatment can be achieved.

The invention relates to a micro-electromechanical reflector, including an electrode substrate having first and second surfaces opposite to the first surface, on whose first surface a monocrystalline silicon layer is situated, a plurality of electrode recesses, which are introduced from the second surface into the electrode substrate, at least one torsion spring structure, which is implemented in the monocrystalline silicon layer above one of the electrode recesses, a carrier substrate, which is applied to the second surface of the electrode substrate, and a reflector surface situated on the monocrystalline silicon layer. At least one first electrode, movably mounted in the electrode substrate via the torsion spring structure, and at least one second electrode, mechanically fixedly anchored to the carrier substrate and the monocrystalline silicon layer, are formed by the electrode recesses. The electrode surfaces of the first and second electrodes are situated in parallel to one another and perpendicularly to the electrode substrate surfaces.

The invention discloses a water oil stain cleaning robot. The water oil stain cleaning robot comprises a left frame and a right frame, wherein movable discs are rotatably connected to the inner sidesof the left frame and the right frame respectively, a driving shaft is rotatably connected between two opposite sides of the movable discs, a driving block is fixedly connected to the surface of the driving shaft, pressing rollers are rotatably connected to both sides of the top of the driving block, a connecting rod is fixedly connected to the bottom end of the driving block, a protruding block is fixedly connected to the outer end of the connecting rod, a net rolling frame is fixedly connected to the outer side of the movable disc, oil absorption sponges are fixedly connected to the inner wall of the net rolling frame at equal intervals, guide hoppers and shifting plates are arranged on the surface of the net rolling frame at equal intervals, and a liquid flow device is arranged above the net rolling frame. The water oil stain cleaning robot relates to the technical field of water pollution control. According to the water oil stain cleaning robot, rapid adsorption and recovery of marine exploitation leaked oil can be realized, and the influence of crude oil leakage on marine environment ecology is reduced.

The invention relates to the technical field of sponge city construction equipment, and discloses an underground water storage treatment device for sponge city construction. The underground water storage treatment device comprises a treatment accommodating apparatus. A fixing bottom plate is fixedly mounted in the middle of an outer side of the treatment accommodating apparatus, two hydraulic rodsare fixedly mounted on the top of the fixing bottom plate, the bottoms of shells of the two hydraulic rods are fixedly connected with the left side and the right side of the top of the fixing bottomplate, damping push rods are fixedly connected with pushing shafts of the two hydraulic rods, and the end, which is far away from the corresponding hydraulic rod, of each damping push rod is fixedly connected with the side, which is far away from the middle of the treatment accommodating apparatus, of a movable plate. The underground water storage treatment device for sponge city construction hasthe advantages that the hydraulic rods and the damping push rods are combined with one another, pushing work can be carried out on the movable plates, and accordingly precipitates on the tops of a precipitation plate can be efficiently cleaned; impurities, the precipitates and the like can be fed into an inner cavity of an underground water storage apparatus under the effect of an impurity leading-out through pipe, and accordingly the timeliness and the high efficiency of impurity cleaning work for the precipitates and the like can be effectively improved.

The invention belongs to the technical field of caustic soda, and provides a production process for producing ion membrane caustic soda by a well and rock salt, wherein the production process includesthe following steps: dissolving the well and rock salt in water to obtain a saturated NaCl solution; then removing Ca<2+>, Mg<2+> and SiO2 in the saturated NaCl solution, to obtain refined saline water; and finally, electrolyzing the refined saline water, to obtain caustic soda, Cl2 and H2. Provided is a device for producing ion membrane caustic soda by the well and rock salt, wherein the deviceincludes a salt dissolving device, a front reaction tank, a pressurized dissolved gas tank, a preprocessor, a rear reaction tank, a filter, a refined saline water storage tank and an electrolytic bathwhich are connected successively, and the technical problems in the prior art that sea salt resources are in short supply, energy consumption for preparing caustic soda from the sea salt is high andthe utilization rate of equipment is low are solved.

The invention discloses an electronic device and a heat-radiating unit thereof. The electronic device comprises a shell, a circuit board, a heating element, a heat-radiating system and a heat-radiating unit. The circuit board is arranged in the shell; the heating element is arranged on the circuit board; the heat-radiating system supports against the heating element; and the heat-radiating unit is arranged on the shell and supports against the heat-radiating system, wherein one part of the heat-radiating unit is exposed out of the shell. The heat-radiating unit comprises a connecting part, a heat-radiating row and a heat tube; the connecting part is arranged in the shell and supports against the heat-radiating system; the heat-radiating row is arranged in the shell and one part of the heat-radiating row is exposed out of the shell; and the heat pipe is connected with the connecting part and the heat-radiating row.

The invention discloses liquid metal for nuclear reactor 300-400-DEG C heat transfer and an oxygen activity controlling technology thereof. An alloy comprises, by weight, 0.4 wt.%-0.8 wt.% of Cu, 5.0wt.%-10.0 wt.% of Bi, 4.0 wt.%-8.0 wt.% of Zn, 2.0 wt.%-4.0 wt.% of In, 10.0 wt.%-20.0 wt.% of Cd, 4.0 wt.%-6.0 wt.% of Ga, 30.0 wt.%-40.0 wt.% of Pb and the balance tin; and oxides for controlling the oxygen activity comprise 20.0 wt.%-25.0 wt.% of PbO, 1.0 wt.%-4.0 wt.% of AgO, 1.0 wt.%-3.0 wt.% of In2O3, 10.0 wt.%-15.0 wt.% of Bi2O3, 10.0 wt.%-20.0 wt.% of MgO and the balance Fe2O3. When the scheme is applied to liquid metal and pipeline design in the nuclear power field, equipment is simple, the construction cost is low, and the heat transfer performance is good. At the working temperatureof 300-400 DEG C, the structure (comprising the liquid metal, an oxygen control module and a stainless steel pipeline) can be used for 10 years and does not need to be overhauled or replaced.