151results about How to "Functionality is not affected" patented technology

A test apparatus having a base which performs a plurality of tests for different analytes in body fluids. A portable tester, such as a glucose meter, is detachably mounted to the base and provides a convenient and ergonomic hand-held instrument which a diabetic may carry to frequently monitor blood glucose levels. When mounted or docked to the base, the portable tester is data linked to the base. The invention provides a communications network among the base, the portable tester and another device such as a PC. The portable tester can therefore be kept small and inexpensive since advanced computing and data storage capabilities are provided in the base or a PC.

The invention relates to a serum-free fibroblast cell culture medium and a preparation method thereof, wherein the base culture medium is a DMEM culture medium or a mixture of the DMEM culture medium and a F12 culture medium, and the exogenous additives comprise hormones, a metal transporter, glutamine, a lipid concentration agent, an antioxidant, purine, saccharide and a cell growth factor. Compared with the culture medium in the prior art, the serum-free fibroblast cell culture medium of the present invention has the following advantages that: animal origin or recombinant albumin is not added so as to avoid the possibly-carried safe hidden danger and reduce the culture medium cost; the culture medium is suitable for primary culture and subculture of fibroblast cells, the good cell morphology is maintained, and the status and the function of the cultured cells are similar to the status and the function of the serum group cells; adherence factor coating is not required, the primary 24 h adherence rate is more than 60%, the passage 24 h adherence rate is more than 80%, no difference exists between the cells cultured with the culture medium of the present invention and the serum group cells; requirements of multiple passages can met, and the growth conditions of the cells after 15 passages are similar to the growth conditions of the serum group cells; and after the fibroblast cells are directly transferred into the culture of the present invention from the serum-containing culture, the cells can successfully adhere and extend without the gradual adaptation process.

The invention discloses an intelligent wearable purification device, which includes an intelligent air supply air filter assembly, an intelligent earphone, an air path connection assembly, a mask or nasal mask and control application software; the invention balances the airflow pressure in the mask through an electric air supply system, Solve the problem of uncomfortable breathing and stuffy after using the mask for a long time; introduce intelligent hardware to facilitate the collection and control of gas flow rate, real-time measurement of air pollution index before and after filtration, user breathing indicators and other data information, and synchronized on the mobile app for easy use The mask or nasal mask adopts a detachable connection method, and the retractable airway can be easily replaced and customized to meet the needs of wearing comfort and fashion and beauty; the air purification module and the smart earphone module are independent and detachable. The two modules can be used at the same time or independently, and their respective functions will not be affected. The combined use is not only a superposition of functions, but also brings an experience of intelligent mask and customized earphone content.

The invention is a method for realizing fast cryptograph inquiry in database by auxiliary data structure, comprising the steps of establishing an auxiliary data structure, maintaining the auxiliary data structure and making cryptograph inquiry and its technical key points: by establishing a list-stored auxiliary data structure in the database for the fields to realize cryptograph inquiry, inserting the maintaining operation on the auxiliary data structure in the daily operation of the database and using the auxiliary data structure to inquire the cryptographic fields. The invention makes the database system originally not supporting cryptograph inquiry able to make high efficiency cryptograph inquiry on the cryptographic fields and can select encryption algorithms and secret keys by users and can assure the consistency of the whole database system and the accuracy and integrity of the cryptograph searching and other database operations. The invention can be applied to the database systems of the governments, armies and large-scale enterprises to be able to improve the system safety and strengthen the system practicality.

The invention relates to the field of the communication equipment electrified cleaning agent, in particular to an antistatic environment-friendly communication equipment electrified cleaning agent. The electrified cleaning agent is prepared by mixing the following components by weight: 50-65 parts of dipropylene glycol, 10-20 parts of hexamethylsiloxane or prestoxmethylsiloxane, 2-10 parts of methylsilicone oil, 10-20 parts of SMD-40 solvent oil and 0.01-1 part of an antistatic agent. The communication equipment electrified cleaning agent disclosed by the invention takes the dipropylene glycol as main raw material, other chemical reagents with strong cleaning capability are reasonably cooperated with the main raw material, so that the antistatic environment-friendly communication equipment electrified cleaning agent has good cleaning effect on pollutants on the surface of communication equipment, has the advantages of strong compatibility, no corrosion on materials, such as plastics, paints, metals and the like, high network voltage and volume resistivity, and the function of the communication equipment is free from influence. The antistatic agent used in the antistatic environmental-friendly communication equipment electrified cleaning agent is characterized in that one layer of antistatic membrane is formed on the surface of cleaned equipment to effectively enhance the anti-fouling capability of the equipment. The antistatic environment-friendly communication equipment electrified cleaning agent does not contain substance capable of damaging the ozone layer, is free from halogen and does not have bad influence on the environment.

This invention relates to a denitrifying composition which is a material to be used for decomposing nitrates nitrogen in effluent by sulfur-oxidizing bacteria that consume sulfur and carbonate as nutrients and is characterized by containing particles of calcium carbonate dispersed in sulfur. Preferably, the composition contains 10 parts by weight of sulfur coexisting with 10-15 parts by weight of calcium carbonate and 1-3 parts by weight of a microporous substance. This denitrifying composition can be prepared by heating powder of calcium carbonate and sulfur thereby melting the sulfur, dispersing the powder of calcium carbonate in liquid sulfur and solidifying the dispersion by rapid cooling. The composition simultaneously contains nutrients and alkali source and hence enables denitrification to proceed stably without addition of other components.

The invention discloses an antenna structure of an integrated pick-up head. The antenna structure comprises a pick-up head and an antenna radiator. The radiator is arranged above the pick-up head. By means of the scheme provided by the invention, an antenna on wireless terminal equipment is further minimized, the integration level between the antenna and other wireless terminal devices is improved, the space of wireless equipment is saved to the greatest extent, and functions of an integrated device are free of influences.

This invention discloses a nanometer immune magnetic particle process and its application. Its nanometer particle is to cover dextran in the surface of the nanometer degree of Fe#-[3] O#-[4]. The dextran is connected with the characteristics antibody. The following steps process the particle: first to process the dextran nanometer particle; second to process the nanometer immune magnetic particle. The nanometer immune magnetic particle can be used in isolation bacteria, virus, parasite, and cell and biological molecule.

The invention relates to a vehicle-ground wireless communication encryption method and device applied to a train monitoring system. The method comprises the following steps: establishing a communication association relationship and communication authentication by using a SM2 algorithm, and implementing management by adopting a dynamic key; encrypting and decrypting vehicle-ground wireless communication data by using a SM1 algorithm; and implementing integrity verification on the vehicle-ground wireless communication data by using a SM3 algorithm in order that the vehicle-ground wireless communication data are under identifiability protection, non-repudiation protection, confidentiality protection and integrity protection. Compared with the prior art, the vehicle-ground wireless communication encryption method has the advantages that a data encryption technology is applied to application layer equipment of the train monitoring system, so that the information safety protection performance of the vehicle-ground wireless communication is improved greatly.

The invention provides a terminal memory recovery processing method and device, and the method comprises the steps: triggering a memory recovery operation when detecting that a system idle memory is smaller than a preset threshold value; determining a memory page set through a predetermined algorithm; determining an application system to which each memory page in the memory page set belongs; determining a to-be-recovered memory page set from the memory page set according to a preset recovery ratio of each application system; and performing memory recovery processing according to the memory page set to be recovered, according to the method and the device, the problem that different influences of the same management operation on the system are not considered for the same memory recovery mechanism under multiple systems in the prior art is solved, and the effects of ensuring that all system functions are not influenced and simultaneously not influencing or reducing the user experience canbe achieved under the condition of heavy load of the system memory.

The invention discloses sanitary ceramic semi-finished product crack-repairing slurry and a preparation method thereof. The crack-repairing slurry comprises the following components in parts by weight: 85-95 parts of base slurry and 5-15 parts of high-temperature fireproof cotton, wherein the base slurry comprises the following components in percents by weight: 40-59% of return blank powder, 20-30% of quartz powder, 20-30% of potash feldspar powder, 0.1-0.8% of gray pigment and 0.05-0.15% of a polymer binder. The sanitary ceramic semi-finished product crack-repairing slurry is capable of repairing long cracks and large bump defects, and the repairing qualified rate is 80% or more. The crack-repairing slurry is capable of further improving company production power and product qualified rate, and reducing unnecessary waste.

The present invention relates to a method for producing a component, in particular a blade for a gas turbine, wherein a main body (2) is provided, to which a running-in layer (6) is applied, which can be worn away at least partially during operation to form an accurately fitting surface (11), wherein the running-in layer is applied by kinetic cold-gas compacting, and a component, in particular a blade for a gas turbine, comprising a main body, to which a running-in layer is applied, which can be worn away at least partially during operation to form an accurately fitting surface, wherein the running-in layer is a porous layer made of a Ti alloy.

The embodiment of the application provides an internet of visions multi-conference test system and a method for performing conference test based on the system. The system comprises an internet of visions server, and a web multi-conference management system; multiple virtual user terminals with virtual terminal identifiers are registered in the internet of visions server; multiple local conferencelists with list identifiers are preset in the web multi-conference management system; the local conference lists further comprise multiple virtual terminal identifiers; the internet of visions serverfurther comprises a conference room creating module, an instruction receiving module and a conference control module. In the system constructed by the embodiment of the invention, the web multi-conference management system can generate thousands of local conference lists, thousands of conference rooms can be created in the internet of visions server according to thousands of local conference lists, and the conference control can be performed on thousands of conference rooms according to a conference control instruction sent by the web multi-conference management system, and the problem that the conference test system is inexistent in the existing internet of visions is solved.

The invention provides a block-to-stop transmission device; the block-to-stop transmission device comprises a drive chain wheel and a transmission chain wheel; the drive chain wheel and the transmission chain wheel are concurrently circled by an enclosed chain, so as to enable the drive chain wheel and the transmission chain wheel to be driven by the chain; a control device of the drive chain wheel is arranged in a never changed position with respect to the rotation axis of the drive chain wheel; a switch of the control device always directly or indirectly pushes against the chain via an elastic device, thus the position of the switch with respect to the control device can be changed when the chain is not wrapped on the drive chain wheel, or the portion of chain on the transmission chain wheel is loosened or tightened, thereby changing the work state of the switch. The control device of the block-to-stop transmission device is matched with the chain by using the elastic device and a micro switch, so as to conveniently and effectively identify whether the output end of the transmission mechanism is blocked, and timely control the drive chain wheel to stop the power output by controlling the triggering of the switch, thereby achieving the block-to-stop function; additionally, a certain motion process exists when the chain changes from the tightened position to the loosened limit position, thus the whole mechanism has a margin for sufficient buffering, so as to effectively prevent the mechanical parts from irreversible deformation caused by emergent forward braking of the mechanical parts.

The invention discloses an anti-ROR1 safe chimeric antigen receptor modified immune cell and application thereof. An immune cell is modified by an anti-ROR1 safe chimeric receptor to obtain the anti-ROR1 safe chimeric antigen receptor modified immune cell. The anti-ROR1 safe chimeric antigen receptor comprises a CD8 leader, an ROR1 binding region, a CD8 hinge region, a transmembrane-stimulus domain, a CD3zeta-stimulus signal transduction region and a safety switch element; the immune cell and application thereof, provided by the invention have the advantages that untoward effects caused by cell transduction can be effectively avoided and clinical efficacy and safety of a CAR technology are greatly improved.

The invention relates to the technical field of regenerative medicine and discloses a method for adjusting and controlling in vitro three-dimensional directed differentiation of stem cells. The method includes following steps: embedding Stem cells into calcium alginate micro gel beads containing chondroitin sulfate, adding an inductive differentiation culture liquid, adjusting and controlling the in vitro directed differentiation of the stem cells by changing a mass ratio between the sodium alginate and the chondroitin sulfate during the preparation of the micro gel beads, dissolving the calcium alginate micro gel beads in a sodium citrate solution after the differentiation process being finished, and then obtaining pure differentiation cells. The method is simple in operation and low in cost, the calcium alginate micro gel beads containing chondroitin sulfate can simulate an in vivo three-dimensional extracellular matrix so that a three-dimensional directed differentiating microenvironment which approximates an in vivo microenvironment is supplied for the stem cells, thereby improving directed differentiation efficiency and a biological function of the stem cells. The method plays an important role in applications of regenerative medicine.

The invention discloses a dual fluorescent reporter gene vector for identifying miRNA targets, a preparation method thereof, and an application thereof in identifying the miRNA targets in coding regions and detecting functions of the miRNA on the coding regions. The carrier has a renilla luciferase gene and a firefly luciferase gene, and multiple cloning sites (MCS) are located between a terminal amino acid codon and a stop codon of a firefly luciferase reporter gene, thereby facilitating insertion of the miRNA targets into the coding regions of the firefly luciferase reporter gene, so as to identify the miRNA targets in coding regions and detect the functions of the miRNA on the coding regions. The preparation method of the carrier provided by the invention does not require a special treatment for terminals of the carrier or target fragments, is free of connection reaction and PCR amplification, and is simple to operate, short in experiment period and high in efficiency.

The invention provides a suspension well completion integrated packer and a well completion pipe string. The suspension well completion integrated packer comprises a setting mechanism, a tie-back cylinder, a releasing mechanism and a setting mechanism which are coaxially connected; the setting mechanism comprises a setting center pipe, a setting assembly, a first setting cylinder sleeve and a first annular setting piston; the setting mechanism comprises a setting center pipe, a thrust sleeve, a starting shearing fixing piece and a setting sealing assembly; and the releasing mechanism comprises a releasing elastic lock pipe, a releasing lock head, a releasing shearing fixing piece and a releasing assembly. The suspension well completion integrated packer can further comprise a tie-back mechanism; and the tie-back mechanism comprises a tie-back lock sleeve and a tie-back insertion pipe assembly. The setting mechanism of the suspension packer can achieve independent setting, the functions of other tools in the open hole segmented well completion pipe string are not affected, the releasing mechanism is high in compressive strength, and unsetting can be achieved after setting.

The invention provides a toothpick. The toothpick comprises a body rod and a flexible rubber layer, wherein the body rod comprises a pointed head, a connecting section, a groove section and a handle section; the groove section is circumferentially distributed along the length direction of the body rod; the flexible rubber layer comprises a pointed end which coats the pointed end and a brush hair section which circumferentially coats the groove section along the length direction of the body rod; an integrated smooth outer wall is formed by the outer wall of the soft adhesive layer and the exposed outer wall of the body rod. According to the toothpick provided by the invention, due to combined design of the body rod and the flexible rubber layer, not only can the strength of the toothpick meet the using requirement, but also the oral cavity is protected from being stabbed by utilizing the flexible rubber layer; meanwhile, through the shape of brush hairs and improved design of convex teeth on the brush hairs, the effects of picking teeth, brushing, scraping and the like are integrated on the toothpick provided by the invention, and the toothpick can effectively stretch into tooth gaps to scrape residual food while soft and comfortable using experience is brought for a user, so that oral cleaning is realized.

The invention discloses a brush-type online cleaning system device. The brush-type online cleaning system device comprises a cooling tower, a cooling water pump, a central air-conditioning main unit condenser, a four-way reversing valve and a four-way reversing valve controller. A water inlet of the cooling tower is connected with the four-way reversing valve through a water return pipe, a water outlet of the cooling tower is connected with the cooling water pump, an outlet of the cooling water pump is connected with the four-way reversing valve through a water inlet pipe, and the other two connectors of the cooling water pump are connected with a water inlet and a water outlet of the central air-conditioning main unit condenser respectively. The brush-type online cleaning system device has the advantages that a snap joint design is adopted for brush baskets, thus a brush is convenient to replace, and the brush-type online cleaning system device is applicable to light pipes and efficient threaded pipes; the service life is long since the pipe brush is made from a special material, on the condition that the pipe brush is continuously operated for 24 hours under a standard refrigerator working condition, the service life of the pipe brush is 5 years, and there is no need to replace the pipe brush within 5 years.

The invention relates to the field of animal model construction, and specifically discloses a targeting vector, a method for constructing an F4 / 80-DTR transgenic mouse capable of regulating, controlling and removing macrophages through diphtheria toxin, and an application for the targeting vector. The targeting vector has a sequence as shown in SEQ ID NO. 8, and is named as an F4 / 80 5HA L-IRES-DTR-PGK-EM7-NEO-F4 / 80 3HA L-MCL-HSV TK vector. The invention also provides a method and application examples for cell production and cultivation of transgenic mice. According to the invention, the constructed F4 / 80-DTR transgenic mouse animal model for regulating, controlling and removing tissue intrinsic macrophages through the diphtheria toxin can reach the tissue intrinsic macrophage removing efficiency of 70%-90%, can well remove the tissue intrinsic macrophages, is not affected in a macrophage function when the diphtheria toxin is not used for induction, is free of side reaction when the diphtheria toxin induces to remove the macrophages, provides a brand novel principle and a method for removing the tissue intrinsic macrophages, and provides a brand novel animal model capable of inducing to remove the tissue intrinsic macrophages.

Apparatus for evaporating calciferous water by means of electrical heating includes an injection nozzle connected to a spray hose arranged in the upper third of an evaporator immediately above a thermostat that is disposed on the bottom side of the evaporator, the distance between the injection nozzle and the thermostat being less than 15 mm, the steam hose being connected to the evaporator via a steam connector, the steam connector having an inside diameter of at least 5 mm, and the evaporator at an angle of inclination of 5° to 10°.

The invention discloses a micro-vibration suppression platform based on an intelligent piezoelectric array. The micro-vibration suppression platform comprises an upper platform, a lower platform, main dampers and secondary dampers, wherein the main dampers and the secondary dampers are uniformly distributed between the upper platform and the lower platform; the main dampers and the secondary dampers are inclined; extension lines of the axes of the main dampers are intersected at a point above the upper platform; each damper comprises an outer sleeve, main shaft rods located on the central axis of the damper and a piezoelectric stack array arranged in the middle of the outer sleeve; each piezoelectric stack array at least comprises two piezoelectric stacks; the piezoelectric stacks are symmetrically distributed relative to the main shaft rods; and the centers of the arrays are hollow. Through the micro-vibration suppression platform, control and suppression of the micro-vibration signals in six degrees of freedom are realized, so that comprehensive suppression of the micro-vibration signals from all directions and motion dimensions is realized; the reliability of the vibration suppression platform is greatly improved; and the micro-vibration signals with low frequency and high anisotropy and randomness can be accurately suppressed in all directions and dimensions.

The invention provides a pose control method and an optical navigation system and a surgical robot system applicable to the pose control method. The pose control method comprises the following steps of acquiring at least one monitoring image of a monitoring area between an optical tracking system and a surgical area; determining the surgical area based on the position of at least one optical marker; and when it is determined that a shielding object exists in the monitoring area according to the monitoring image, adjusting the position and / or posture of the optical tracking system so as to enable the shielding object to be located outside a new monitoring area formed between the adjusted optical tracking system and the operation area. The pose control method can solve the problem that in the prior art, a marker in an optical surgical navigation system is shielded, so that the surgical efficiency and smoothness are affected.

A smart wearable wriststrap or watchband transforms a mechanical or a digital wrist timepiece into a smartwatch. The smart wearable wriststrap or watchband comprises a body having a longitudinal length including first and second free ends and a display disposed within the longitudinal length of the body. The body is configured for wearing on a wrist as a strap of a mechanical or a digital wrist timepiece and the first and second free ends of the body are removably attachable to a dial housing of the mechanical or the digital wrist timepiece.

The invention discloses an anti-freezing method suitable for a polar sailing ship. The anti-freezing method is characterized in that the anti-freezing manner for pipelines is a mixed composition manner formed by combining adjoining-pipe anti-freezing structure heating, heat preservation materials, a residue discharging method and a gas drying method; the anti-freezing manner for mechanical compartments and liquid tanks is a mixed composition manner formed by combining steam heating, electric heating, electric heaters and the heat preservation materials; the anti-freezing manner for equipment is a mixed composition manner formed by combining heating and enclosed protection; the anti-freezing manner for channels is formed by the electric heating and the enclosed protection or a mixed combination of the electric heating and the enclosed protection. The method disclosed by the invention has the advantages that on the consideration of pipeline systems, the mechanical compartments, the liquid tanks, the equipment and the channels and the like, various important systems and equipment of the polar sailing ship are effectively guaranteed to normally operate in severe environments, such as low air temperature, low water temperature and the like, and functions of various compartments and channels are not influenced, therefore the polar sailing ship is guaranteed to safely sail in cold sea areas.

The invention relates to a soldered condenser for a motor vehicle air conditioning unit, comprising a pipe / rib block, collector pipes which are arranged on both sides thereof and receive the ends of the pipes, and a collector which is arranged parallel to one of the collector pipes, fluidically connected to the adjacent collector pipe via two openings and receives a dryer / filter cartridge. The collector (1) is provided with a first soldered sealing part (5) to which the dryer / filter cartridge is mechanically connected. A second sealing part (6) is nondetachably connected to the collector (1, 4).

The invention provides a method for promoting directional differentiation and proliferation of mesenchymal stem cells towards neural precursor cells. The method comprises the following steps: firstly, embedding the mesenchymal stem cells in calcium alginate microbeads which are prepared with the presence of a calcium chloride solution and contains gelatin microspheres and chondroitin sulfate; then, adding a neural induction differentiation medium, and cultivating in a rotary reactor, so as to promote the in vitro directional differentiation and proliferation of the mesenchymal stem cells towards the neural precursor cells; and after differentiation, dissolving the calcium alginate microbeads by virtue of a sodium citrate solution, so that differentiated cells are obtained. The method disclosed by the invention is simple to operate and low in cost; by virtue of the gelatin microspheres, a necessary growth space is provided for internal cells of a stent; by virtue of the chondroitin, the biochemical functions of a neural tissue extracellular matrix can be simulated; by virtue of the calcium alginate microbeads, three-dimensional support, which is similar to the extracellular matrix, is provided; and by virtue of the rotary reactor, a necessary micro-gravity environment is provided, so that mass transfer is further enhanced and proliferation of the cells is achieved.

The invention discloses an annular header pipe type bilge system for an ocean nuclear power platform, relates to the technical field of bilge systems, and aims to solve the problem of influence on running of the entire system since the header pipe type bilge system tends to leak when a certain segment of pipeline fails in the prior art. In the bilge system, each bilge water suction port is connected with an annular header pipe through a fluid-controlled cut-off check valve; the annular header pipe is partitioned into a plurality of segments through isolating valves; bilge pumps are connected to the header pipe through cut-off valves. The isolating valves are in open states normally; when water is accumulated in a certain cabin and needs draining, the fluid-controlled cut-off check valve and the cut-off valves corresponding to the cabin are opened remotely, and the bilge pump is started, so that bilge water can be drained. The annular header pipe and the isolating valves are provided, so that the redundancy degree of the system functions is increased: when a certain segment of pipeline fails, the failed segment of pipeline can be isolated through the isolating valves, and the header pipe consisting of the rest of the segments of the pipelines can still run normally, the system functions are not influenced, normal running of the system is ensured, and the system reliability is improved.

The invention discloses antibacterial and anti-mite organic cotton composite fiber fabric and a processing process thereof. The antibacterial and anti-mite organic cotton composite fiber fabric is formed by mutually interweaving warp yarns and weft yarns; the warp yarns are made of organic cotton fiber and the weft yarns are made of polyester fiber; the proportion of the organic cotton fiber is 24percent and the proportion of the polyester fiber is 76 percent; antibacterial and anti-mite aids are arranged in the organic cotton fiber and the polyester fiber; the antibacterial and anti-mite aids are fixed in the organic cotton fiber and the polyester fiber and are protected by the organic cotton fiber and the polyester fiber; the antibacterial and anti-mite aid comprises quaternary ammoniumsalt and organic silicon; 10 percent of bamboo fiber is added in the organic cotton fiber; the organic cotton fiber and the bamboo fiber are blended; and the antibacterial and anti-mite cloth can damage the cell walls of bacteria and prevent the metabolic process of microorganisms, so that the microorganisms cannot grow and reproduce. Reproduction of mites is inhibited and peculiar smell caused by the microorganisms is prevented. The antibacterial, mildew-proof and anti-mite agent can effectively resist bacteria and prevent mites and has good anti-mite effect.