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 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.

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 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 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 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 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 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 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.