64results about How to "Eliminate traces" patented technology

A redaction process (10) to enable a user to redact an electronic document on a computer. The redaction process (10) includes the steps of converting a copy of the original electronic document file (14) from its native format into the format of an electronic image file. The user may redact sections of the electronic image file, and save the redacted electronic image file in electronic file format.

The invention belongs to the technical field of lithium ion battery preparation, and specifically relates to nickelic ternary anode material power lithium ion battery electrolyte and a preparation method thereof. The electrolyte consists of electrolyte lithium salt, a non-aqueous organic solvent and functional additives, wherein the functional additives comprise an alkyl nitrile additive, fluorinated chain carboxylate, a lithium salt additive and a cathode film forming additive; and the content of the functional additives is 0.5-10% of the weight of the electrolyte. The electrolyte provided bythe invention interacts with transition metal in a nickelic ternary anode material through the functional additives and is decomposed on the surfaces of the anode and cathode to form stable interfacefilms, so as to inhibit the metal ionic catalysis activity and decrease battery side reactions, so that the electrolyte has favorable anti-oxidant and film forming characteristics, is capable of effectively improving the high-temperature storage performance, safety performance and cycle life of nickelic ternary anode material power lithium ion batteries, effectively inhibiting the generation of battery expansion and ensuring the high power characteristic of the batteries at the same time.

The invention discloses a display device, a pixel circuit, a compensation method and a compensation device. The pixel circuit comprises drive transistors, data lines and detection signal lines. The method includes the steps: externally compensating the pixel circuit to acquire threshold voltage of the drive transistors; internally compensating the pixel circuit according to the threshold voltage of the drive transistors. Therefore, the threshold voltage of the drive transistors can be compensated, large characteristic change of the drive transistors can be covered, the characteristic change ofthe drive transistors are compensated in real time, compensation hysteresis is effectively avoided, marks and the like generated by external compensation can be eliminated, and display effects are better.

A dye composition of 99.7% pure glycerin and press cake dye is provided along with an apparatus and method of use for the same. The apparatus sets the dye composition into polyester yarns by heating the composition to 160-190 DEG C. and then cooling the composition to 100-140 DEG C. Prescour, dye scour and post scour vessels are provided to facilitate the dyeing process. The fluids used in the apparatus and process are recycled by recycling units.

A machine for removing surfaces of semiconductors with integrated circuits, comprising laser emitters, at least one beam of which strikes at least one semiconductor wafer or at least one fragment thereof, for ablation of a surface layer of preset thickness, supports for the at least one wafer or fragment thereof, and movers for the relative movement of the emitters with respect to the at least one wafer or fragment thereof, the movers being adapted to make the emitters follow a path such that the at least one beam emitted thereby travels over the entire surface to be removed of the at least one wafer or fragment thereof.

A method for increasing at least one of the following two parameters of a polyamide: (I) its melting point and (ii) its enthalpy of melting ΔH_m, in which:

• • this polyamide is brought into contact in the solid state with water or with steam at a temperature close to its crystallization temperature T_c for a time long enough to effect this increase;
  • then, the water (or steam) is separated from the polyamide and the polyamide is dried.

The invention discloses a display device, a display substrate and a display compensation method and device. The method comprises the following steps: before an image is displayed, performing initial compensation on each pixel circuit to obtain the average reference voltage of a plurality of pixel circuits; controlling the display substrate to display the image, and performing external compensationon each pixel circuit within the display time of a frame of the image, and acquiring the charging voltage of the sensing line of each pixel circuit during the external compensation, acquiring the first reference voltage of each pixel circuit according to the charging voltage of the sensing lines and the average reference voltage, and performing internal compensation on each pixel circuit according to the first reference voltage. Thus, not only can threshold voltage compensation of a driving transistor be realized, but also a large characteristic change of the driving transistor can be covered and real-time compensation is performed on the characteristic change of the driving transistor. Further, traces generated by external compensation can be eliminated so that the display effect can befurther improved.

The invention discloses a hot-rolled steel strip vertical stripe defect eliminating method. The method includes reducing the rotary speed of a grinding wheel, increasing the rotary speed of a roller during the process of rough grinding and fine grinding, reducing the rotary speed of the roller during the process of first half fine grinding, reducing the rotary speed of the roller during the processes of second half fine grinding and third half fine grinding, reducing the speed of a layer board, and reducing the contact pressure of the grinding wheel and the roller face and increasing the number of fine grinding passes. By the method, impression traces on a working roller of F4-F6 in the grinding process can be eliminated completely, and good effect can be achieved. Meanwhile, the curve radius difference of a finishing mill group end frame working roller of CVC (continuous variable crown) type is controlled in a range less than or equal to 0.75mm (0.625mm is selectable), and high grinding efficiency is improved. The hot-rolled steel strip vertical stripe defect eliminating method has the advantages of convenience in operation, significance in effect and high accuracy, and qualified raw materials are provided for producing cold rolling products, namely automobile plates, house appliance plates and the like, with high-level surface quality requirements.

The invention relates to a device (1) for extracting dust in the context of the transfer of pulverulent products from a first container (2) to a second container (3), the combination of the first container and of the second container forming, with the dust extraction device, a closed containment volume comprising, by way of means of connection between the two containers (2), (3), a hollow connector (10) having an open top end (11) and an open bottom end (12), comprising a side wall (13) between its two ends, said side wall (13) defining an external wall (14) and an internal wall (15), characterized in that said connector (10) is pierced with several inlet pipes (20) connected to hoses (40) fed with a stream of pressurized fluid and also pierced with at least one fluid discharge pipe (30), said pipes projecting from said external wall (14) of said connector (10), and opening onto said internal wall (15) via orifices (50) that allow the fluid to be introduced, said orifices (50) being oriented relative to one another in such a way as to cause said fluid to flow in a cyclone within said connector (10), carrying with it any pulverulent product that remains on the internal wall (15) and/or upstream and/or downstream of said connector (10).

The invention also relates to an installation comprising said device and to a method of extracting dust, a method of transferring at least one pulverulent product, and a method of sterilizing using said device.

The invention discloses a method for forming an irregular ring piece by utilizing a stainless-steel rectangular ring rolled piece through thermal bulging, comprising the following steps of: sleeving the heated stainless-steel rectangular ring rolled piece on the periphery of a pre-heated bulging blockin a bulging machine; starting the bulging machine so that the ring rolled piece is squeezed by the bulging block in a radial direction along the inner circumference surface of the ring rolled piece and becomes the irregular ring blank after being deformed for 11-13%, thus completing primary bulging; rotating the irregular ring blank for 45 degrees along an center axis, thus completing primary rotation; carrying out secondary bulging with the deformation amount of 1.8-2% and secondary rotation on the irregular ring blank according to the previous steps; carrying out tertiary bulging with the deformation amount of 1.4-1.6% and tertiary rotation on the irregular ring blank according to the previous steps; and carrying out quartus bulging with the deformation amount of 1.2-1.4% and quartus rotation on the irregular ring blank according to the previous steps, so as to obtain the irregular ring piece. The size precision of the irregular ring piece can reach 0.1-0.2% of the corresponding size. The irregular ring piece formed by using the method disclosed by the invention is mainly used for fields of aerospace and the like.

The invention discloses a testing method for determining quenching speeds through a thermal simulation test and belongs to the technical field of thermal simulation. The testing method includes the following steps that A, multiple sets of samples made of the same material are kept in a thermal simulation tester for heating and heat holding at the same quenching temperature for the same heat holding time; B, different quenching speeds are set for quenching of the samples; C, the same tempering process is set for tempering of the samples; D, the multiple sets of samples obtained after thermal treatment are subjected to an impulse test at the required temperature, and respective shock absorption energy is obtained; E, a curve is drawn with the quenching speeds as transverse coordinates and the shock absorption energy as longitudinal coordinates, and the critical quenching speeds meeting the use requirement under the condition of the quenching temperature and the heat holding time are obtained. A reliable basis is provided for thermal treatment process parameter selection by determining the critical quenching speeds, meeting qualified material mechanical performance, of the samples.

The invention provides a linux file system-based file thorough deletion method and apparatus. The method comprises the steps of reading a block group descriptor table of a disk partition where a target file is located, and obtaining an i node table initial block number of each block group according to a content structure of the block group descriptor table; Obtaining corresponding i node information according to the i node number of the target file and the i node table starting block number of the block group; Clearing file data of the target file according to the i node information corresponding to the target file; Cleaning the directory entry of the target file according to the i node information corresponding to the directory entry of the parent directory of the target file; And clearing the log of the file system where the target file is located according to the i node information corresponding to the file system log. According to the method, it can be guaranteed that disk data andtraces of the target file are thoroughly eliminated, logs are deleted, and data recovery through technical means is avoided.

The invention discloses a process for forming special-shaped ring workpieces from aluminum alloy rectangular rolled ring workpieces by hot bulging, which includes: sleeving a heated aluminum alloy rectangular rolled ring workpiece onto the periphery of a preheated bulging block in a bulging machine, squeezing the rolled ring part by the bulging block radially from the inner circumference surface of the rolled ring part after starting the bulging machine, completing the primary bulging after the rolled ring part is deformed by 10%-18% to form a special-shaped ring blank, completing the primary rotation by rotating the special-shaped ring blank around the center axis by 45 degrees; completing the secondary bulging by repeating the above steps to deform the specials-shaped ring blank by 1.3%-2% and completing the secondary rotation; completing the tertiary bulging with deformation of 1.3%-2% and completing the tertiary rotation; completing the fourth bulging with deformation of 0.8%-1%; and finally obtaining the special-shaped ring workpiece. The dimension precision of the special-shaped ring workpiece can be 1%.-2%. of the corresponding dimension, and is mainly used for making rotor parts such as cylindrical casings and the like in the aerospace field.

The invention discloses a method for directly cladding copper by sintering a wet-method copper oxide piece. The method comprises the following steps of: step one, carrying out surface pretreatment on the copper piece; step two, putting the copper piece subjected to surface treatment into a treatment solution to oxidize; step three, washing and drying the oxidized copper piece; step four, putting the dried copper piece into a mold to pre-bend; and step five, putting the pre-bent copper piece on a ceramic piece to sinter. Compared with the high-temperature annealing and oxidation, the wet-method oxidation is beneficial for shorting the procedure time, saves the energy, lowers the cost and needs no equipment such as an annealing furnace. Compared with high-temperature annealing and oxidation, the copper surface of a DBC (Database Computer) produced by wet-method oxidation is fine in grain, the improvement of the mechanical properties of the copper piece is facilitated, and the trace of a conveyer belt is eliminated.

The invention discloses a whitening health beverage and a preparation method thereof. The whitening health beverage is prepared from the following raw materials in parts by weight: 3-10 parts of rhizoma typhonii, 3-9 parts of rhizoma nardostachyos, 10-20 parts of rhodiola rosea, 10-20 parts of radix ampelopsis, 2-10 parts of radix saposhnikoviae, 3-9 parts of bletilla striata, 2-10 parts of rhizoma kaempferiae, 3-12 parts of fructu broussonetiae, 5-10 parts of rattletop, 3-9 parts of selfheal, 4-8 parts of centella, 5-10 parts of yellow cinnamon leaf, 2-8 parts of radix ophiopogonis, 5-10 parts of asarum, and 2400-6400 parts of water. According to the invention, rhizoma typhonii, rhizoma nardostachyos, rhodiola rosea, radix ampelopsis, radix saposhnikoviae, bletilla striata, rhizoma kaempferiae, fructu broussonetiae, rattletop, selfheal, centella, yellow cinnamon leaf, radix ophiopogonis and asarum are taken as the raw materials, so that the whitening health beverage can promote blood circulation of the skin tissue, nourish the skin, and delay the skin ageing, has the efficacies of preserving moisture, whitening, nourishing and tendering skin, does not contain the chemical addition agents such as antibacterial agents and preservatives, and is natural and environmentally friendly without any toxic or side effect.

A facial mask for removing acne scars consists of: 20-30 parts of Angelica dahurica, 40-50 parts of Bletilla striata, 40-50 parts of Bai Poria, 40-50 parts of Radix Sinensis, 35-45 parts of white silkworm, 40-50 parts of Atractylodes macrocephala, 40-50 parts of cloves, 20-30 parts of mung beans, 10-15 parts of chrysanthemums, 15-20 parts of pearl powder, 40-50 parts of coix seed. The advantages are: heat-clearing and damp-drying, sterilizing, lightening and whitening, moisturizing and wrinkle-removing, softening the skin, and eliminating the marks left by acne on the face.

The invention discloses a hot bulging method for forming a rectangular titanium alloy rolled ring into a special-shaped ring; the hot bulging method comprises the following steps of: sleeving a heated rectangular titanium alloy rolled ring at the periphery of a preheated bulging block of a bulging machine, starting the bulging machine so that the bulging block extrudes the rolled ring along the radial direction on the surface of the inner circumference of the rolled ring till the deformation amount of the rolled ring is 10%-12%, and the rolled ring is formed into a special-shaped ring blank, thereby completing primary bulging, and then leading the special-shaped ring blank to rotate by 45 degrees along a central axis to complete primary rotation; and afterwards, according to the operation, carrying out secondary bulging with 0.9%-1.5% of deformation amount and secondary rotation, third bulging with 0.9%-1.5% of deformation amount and third rotation, and fourth bulging with 0.5%-1% of deformation amount on the special-shaped ring blank, thereby obtaining the special-shaped ring. The dimensional accuracy of the special-shaped ring can reach 0.1%-0.2% of the corresponding dimension; and the special-shaped ring is mainly applied to the fields of aerospace and the like.