398results about How to "Performance unchanged" patented technology

This invention relates to an electromagnetic progressive shaping method for plate moving coils and a device, in which, said device includes a computer control system, an electromagnetic force generation system and a three-shaft digital control shaping system including a plate clamping elevating device, a supporting model frame and an electromagnetic shaping clamping rod, in which, the computer controls the coil to move downward along the contour of a model profile from the top according to the contour data of the model profile and the plate is formed partly relying on the magnetic force of coil till to the bottom of the model and finish the entire process.

The invention discloses a microencapsulated nano fabric finishing agent of traditional Chinese medicines, which consists of following components by mass percent: 30 to 60 percent of a solution of the microencapsulated finishing agent of the traditional Chinese medicines, 5 to 20 percent of a nano zinc oxide solution, 10 to 15 percent of a aquosity polyurethane solution and 10 to 55 percent of deionized water which are equal to 100 percent in total. A preparation method of the microencapsulated nano fabric finishing agent comprises following steps: according to fabrics to be processed, the selected traditional Chinese medicines are soaked in ethanol, thus obtaining an extracted solution of the traditional Chinese medicines, polylactic acid, an emulsifying agent OP-10 and the extracted solution of the traditional Chinese medicines are produced into a microencapsulated solution of the traditional Chinese medicines with the solid content of 30 to 50 percent, commercial nano zinc oxide powder, tween-80 and the deionized water are adopted to produce a nano zinc oxide solution which is produced into the nano fabric finishing agent of the traditional Chinese medicines with the microencapsulated solution of the traditional Chinese medicines, the aquosity polyurethane and the deionized water. The microencapsulated nano fabric finishing agent of the traditional Chinese medicines can be used for fabric finishing and leading the finished fabrics to have better antisepsis and antivirus effects.

The invention relates to an ultrahigh-performance plastic film as well as a preparation method thereof. The film is a one-layer structure of a multilayer structure. At least one layer structure in the film adopts the following formula by weight percent: 0 to 100 percent of metallocene linear low-density polyethylene, 0 to 100 percent of linear low-density polyethylene, 0 to 80 percent of low-density polyethylene, 0 to 60 percent of ultralow-density polyethylene, 0 to 60 percent of high-density polyethylene and 0 to 30 percent of additives. The invention also relates to a composite material which is prepared by compounding the ultrahigh-performance plastic film and a fiber material. When used as operation tablecloth, the composite material has the multiplied performance of the existing operation tablecloth, such as tensile strength, impact resisting strength, tearing resistance and the like.

There is provided an etching method of an amorphous oxide layer containing In and at least one of Ga and Zn, which includes etching the amorphous oxide layer using an etchant containing any one of acetic acid, citric acid, hydrochloric acid, and perchloric acid.

The invention discloses a preparation method of an activated carbon adsorption film and a method for measuring bisphenol substances in wetland soil or sediment based on a thin-film diffusion gradient technique, and belongs to the fields of environmental sciences and earth sciences. According to the preparation method of the activated carbon adsorption film, the activated carbon adsorption film is prepared by mixing activated carbon as an adsorbent with agar, and then is overlapped on an agar diffusion film and a PTFE filter film to form a DGT device; after nitrogen introduction pretreatment, the DGT device is put into the wetland soil or the sediment to be tested for 24 hours, and then the activated carbon adsorption film is taken out and eluted by use of an eluent which is the mixed solution of methanol and sodium hydroxide; next, the adsorbing capacity of the bisphenol compounds in the adsorption film is measured and the concentration of the bisphenol substances in the wetland soil or the sediment is calculated according to the Fick's first law of diffusion. The preparation method of the activated carbon adsorption film is simple in process, the adsorbent is even in distribution, the adsorbing capacity is high and the quality guarantee period is long; the DGT technique based on the adsorption film is simple and easy to operate and the testing result is representative, and therefore, the DGT technique is suitable for in-situ detection of the bisphenol substances in the wetland soil or the sediment.

A refractory antiwear lubricating paint is prepared from thermosetting epoxy resin, boron modified phenolic resin, MoS2, Sb2O3 and cerium fluoride. Its advantages are high antiwear, load-bearing and lubricating performance, and excellent refractory performance.

This invention relates to WDM light transmission system of a link gain automatic adjustment and an automatic adjust method. The invention detects a received light power of a light monitor channel wavelength at the lower-reach station of a given cross distance section and computes the fiber circuit loss of said section by the difference between sent light power of the upper reach station and the received light power of the lower reach station, then to adjust the light power attenuation value of the light adjustable attenuator of said section lower reach station based on the loss to match the circuit loss and the gain of light amplified relay.

The invention pertains to the technical field of a polymer Li-ion battery, in particular to a polymer Li-ion battery separator, comprising porous substrate, wherein at least one surface of the porous substrate is coated with an inorganic coating and an organic coating; the organic coating, shaped like an island and/or linear distribution, is coated on the surface of the porous substrate and/or the inorganic matter coating.

The invention relates to a method and a device for realizing antenna tuning. The method comprises the following steps: detecting whether a USB access event occurs or not; if yes, obtaining the current working frequency of an antenna, and a preset compensation tuning strategy which is corresponding to the current working frequency; adjusting an impedance matching network corresponding to the current working frequency according to the compensation tuning strategy, and making the offset of the antenna resonant frequency relative to the that of the resonant frequency before the USB access event in a set range under the effect of the adjusted impedance matching network. The method and the device for realizing the antenna tuning disclosed by the invention can compensate the offset of the antenna resonant frequency caused by insertion of USB to ensure a higher antenna efficiency.

The invention relates to a multi-functional built-in dynamic-static-pressure motorized spindle for an efficient high-speed precision machine. The multi-functional built-in moving piezo spindle comprises a shell, a spindle body, a bearing, an oil sealing cover, a motor rotor and a stator. A front bearing is arranged at the right end of the shell and forms a static-pressure push bearing with the spindle. The inner surface of the front bearing is provided with a static-pressure oil cavity, and part of the large diameter of the inner surface matches with a pre-tightening piston. A rear bearing is mounted in a rear-bearing seat. The motor rotor is arranged between the front bearing and the rear bearing. The outer cylindrical face of the motor stator matches with a water sleeve tightly. The water sleeve matches with a hole in the middle of the shell and is connected to the shell. The rear bearing is sealed through a gas sealing ring, and the front bearing is sealed through the oil sealing cover and a gas sealing hole at the rear end. Heat shielding devices are arranged at two ends of the motor stator. The spindle can be mounted at different positions according to different using conditions. The multi-functional built-in dynamic-static-pressure motorized spindle can serve as a spindle of a grinding wheel of a precision machine, a milling center or a grinding machine or a spindle of a workpiece, and has the advantages of high precision, high rigidity, long service life, fine producing process, good sealing effect and the like.

The invention belongs to the technical field of adhesives, and particularly relates to an underfill adhesive, as well as a preparation method and application thereof. The underfill adhesive comprises 100 parts of an epoxy resin mixture, 20 to 100 parts of epoxy modified acrylate resin, 5 to 50 parts of a latent curing agent, 5 to 30 parts of an epoxy active diluting agent, 5 to 60 parts of acrylic ester, 0.1 to 5 parts of a thermal initiator and 0.1 to 10 parts of an additive. According to the underfill adhesive, as well as the preparation method and application thereof, epoxy modified acrylate resin is used as a bridging agent to bind an epoxy resin curing system and an acrylic ester curing system, so that high performance of epoxy resin can be achieved, and the viscosity can be greatly reduced by acrylic ester without changes in performance.

Disclosed is a preparation method of carbon nanotube compounded lubricating oil which comprises the steps of, mixing carbon nano tube and oleic acid by the mass ratio of 1:2-10, charging into toluenesulfonic acid solution for supersonic dispersion, heating and returning flow 0.8-2h, vacuum-pumping filtering, cleaning the obtained precipitate with alkane solvents, flushing to neutral with deionized water, vacuum drying at 40-100 deg C, obtaining carbon nano tube with coated oleic acid, charging carbon nano tube into lubricating oil by the proportion of 0.05-2:98-99.95, supersound dispersing at 50-90 deg C, the lubricating oil is any one selected from conventional diesel engine oil, cylinder oil and gear oil for vehicle.

The invention discloses a glycerin distillation residue treatment method. The glycerin distillation residue treatment method sequentially comprises the following steps: adding an extracting agent to glycerin distillation residues, stirring and filtering out inorganic salt; distilling so as to remove the extracting agent; adding water for dilution, heating to 60-95 DEG C; adding an acidifying agent so as to adjust the pH value to 2.5-6; standing still, and skimming; adding an alkaline solution so as to adjust the pH value to 8-10, thus obtaining a mixed liquid of glycerin, polymerization glycerin and water. The mixed liquid prepared by the method falls in the protection scope of the invention and is applied in a cement grinding-aid reinforcing agent.

The invention discloses an amorphous plasma heterojunction nano TiO2 sol having high-efficiency visible light response as well as a preparation method and an application thereof. The amorphous plasma heterojunction nano TiO2 sol is formed by taking a heterojunction structural body formed by precious metals and nano TiO2, or other semiconductor-precious metals and nano TiO2 by chemical connection as nano particles, schottky junction generated by cooperation among precious metals and nano TiO2 or other semiconductor-precious metals and nano TiO2 is used for performing resonance effects with local surface plasma to obtain the excellent visible-light photocatalysis effect, and the problem of low visible-light utilization rate of common TiO2 photocatalysts can be solved.

The invention discloses a stable single-component epoxy surface mount adhesive in room temperature storage and a preparation method thereof. The surface mount adhesive comprises the following components according to parts by weight: 30-45 parts of epoxy resin, 10-25 parts of epoxy diluent, 20-35 parts of latent curing agent, 0.5-2.0 parts of stabilizer, 5-15 parts of thixotropic agent, 15-30 parts of filler and 0.1-1.0 part of pigment. The preparation method comprises the following steps: (a) adding the epoxy resin, reactive diluent, the filler, the pigment and the stabilizer into a reactor for uniform mixing sequentially; (b) adding the latent curing agent into the above mixture for uniform mixing; and (c) adding the thixotropic agent for uniform dispersing and vacuum defoaming treatment.

The invention discloses a wearproof ceramic tile. The wearproof ceramic tile is prepared from the following raw materials in parts by weight: 15-30 parts of kaolin, 20-35 parts of ceramic waste, 15-35 parts of calcined quartz stone, 10-15 parts of bauxite, 3-9 parts of brown fused alumina, 5-8 parts of talcum powder, 2-10 parts of clay and 0-5 parts of methylcellulose. The invention also discloses a preparation method of the wearproof ceramic tile. By adopting the wearproof ceramic tile disclosed by the invention, the advantages of wear resistance, scratch resistance and environmental friendliness can be realized, production cost can be reduced, and service life of the ceramic tile is prolonged.

The invention discloses a production process of a luminous ceramic product, which belongs to the field of production processes of ceramic materials, and particularly relates to a production process of a luminous ceramic product. A manufacturing process comprises the steps of manufacturing a luminous glaze material, printing, burning, reshaping and the like. The luminous ceramic product disclosed by the invention is a high-technology environment-friendly product, has unique decorating and warning functions, can be widely applied to warning sign systems and emergency evacuation systems of various public utilities, and can be specifically applied to places such as stairs, passages, wall sides, door number plates, floors, decks, lifeboats, buoyant apparatuses, firefighting devices and the like. The luminous ceramic product has the advantages of super-long afterglow, high weather resistance, no influence of weather on the luminous time, acid resistance, alkali resistance, and no change in 100 years.