34results about How to "Shorten dipping time" patented technology

The invention discloses a manufacturing method of paraffin sections of zostera marina embryo, comprising the following steps: (1) material drawing and fixation: zostera marina seeds are taken and the fruit skin is stripped, and after endosperm is removed, an integral zostera marina embryo is soaked in FAA (free amino acids) fixing solution and is fixed for more than 48 hours; (2) dehydration: the zostera marina embryo is taken out from the fixing solution and is soaked in alcohol for dehydration; (3) waxing and embedding: paraffin is added gradually in a vessel containing the zostera marina embryo and dimethylbenzene, and conventional paraffin embedding is carried out to obtain the wax blocks containing the zostera marina embryo; (4) slicing, spreading and drying: the wax blocks coated with the zostera marina embryo is fixed on a wheel rotation type slicing machine for carrying out continuous slicing of the paraffin, so as to obtain wax bands and enable the wax bands to be attached to an object slide; (5) dewaxing, rehydration and dyeing of hematoxylin dye solution; (6) slicing, dehydration and dyeing of eosin and alcohol; and (7) transparence and mounting are carried out to manufacture a permanent section. In the manufacturing method disclosed by the invention, the paraffin sections of the zostera marina embryo, which have clear dyeing and an integral texture structure, can be obtained.

A health-care preserved mangrove raspberry fruit for removing free radicals from human body, delaying sanility and preventing and treating cancers is prepared through collecting mangrove raspberry fruits, quick freezing, deactivating enzyme, vacuum preserving in sugar, water washing, vacuum drying, treating with isolating agent, baking, examining and packing.

The invention relates to staining fluid for a zirconia pre-burned false tooth. The staining fluid consists of the following raw materials in parts by weight: 1000 parts of deionized water, 9.6 to 57 parts of iron chloride, 4.2 to 46.2 parts of erbium nitrate and 0.6 to 24 parts of praseodymium nitrate. The staining fluid has excellent permeation rate, the staining fluid can permeate for 0.8mm in 5 seconds in a single direction, for 1.2mm in 10 seconds in a single direction and for 1.5mm in 20 seconds in a single direction, the permeation speed is high, the stained pre-burned false tooth is integrally uniform in color; moreover, the light transmittance is similar to that of a natural color. Besides, the satisfaction on the requirement of vita 16 colors, four effect colors of A5, B5, C5 and G1 (gingival porcelain color) can also be achieved by the staining color, the production demand of a technician is satisfied, and the blank of the effect color in the industry can be filled. The staining fluid has the characteristics of short time, good staining effect and low cost, and is capable of completing the staining in ten seconds and suitable for the production of false tooth companies.

The invention discloses low-sugar candied jack fruit strips and a making method thereof. The low-sugar candied jack fruit strips are prepared by using jack fruit strips as raw materials, and are specifically prepared through the following working procedures: using the jack fruit strips as the raw materials, cleaning the jack fruit strips, processing the cleaned jack fruit strips with hot water, pickling the processed jack fruit strips, rinsing the pickled jack fruit strips, desalinating the rinsed jack fruit strips, hardening the desalinated jack fruit strips, rinsing the hardened jack fruit strips, drying the rinsed jack fruit strips, sugaring the dried jack fruit strips in a vacuum manner, sugar boiling the sugared jack fruit strips, drying the sugar-boiled jack fruit strips, and packaging the dried jack fruit strips. According to the low-sugar candied jack fruit strips and the making method thereof, disclosed by the invention, by-products, namely the jack fruit strips obtained by processing the jack fruits are firstly used for making low-sugar candied fruits, the processing method is novel in conception, unique in technology, simple to operate, and easy to implement. The purposes of reducing the consumption of cane sugar and improving the flavor of the candied fruits are realized, and the problems that high-sugar candied fruits are easy to generate the situation that sugars flow off and granulated sugar is easy to form are solved. The sugar-soaking time is greatly shortened, the low-sugar candied jack fruit strips are uniform in sugar soaking, the plumpness of finished products is good, the production efficiency is high, and the low-sugar candied jack fruit strips and the making method thereof open up a new way for the reprocessing and the utilization of edible jack fruit strips in the by-products obtained by processing the jack fruits, and develop a novel leisure candied fruit, so that the added value of the jack fruits is greatly increased.

The invention relates to the technical field of textile, and discloses a textile dye vat. The textile dye vat comprises a dye vat body, wherein four corners of the bottom of the dye vat body are separately fixedly connected with supporting legs; the inner wall of the bottom of the dye vat body is fixedly connected with an electric push rod; the top of the electric push rod is fixedly connected with a first supporting plate; the top of the first supporting plate is fixedly connected with a first rotating motor; the output end of the first rotating motor is fixedly connected with a rotating rod;a second supporting plate is fixedly arranged on the outer wall of the rotating rod in a sleeving manner; first supporting rods are separately arranged on the left side and the right side of the rotating rod; the bottom of each first supporting rod is fixedly connected with a first slider; and a first chute which is connected with the first slider in a matched manner is formed in the upper surface of the second supporting plate. By the textile dye vat, dip dyeing time of broken cloth pieces can be shortened, dip dyeing of the broken cloth pieces can be uniform, meanwhile, the broken cloth pieces in different sizes can be clamped conveniently, and impurities in a dyeing agent can be filtered conveniently.

The invention belongs to the technical field of hot dipping and relates to a two-step SuperDyma alloy hot dipping technology for structural steel. The technology sequentially comprises degreasing, water washing, acid pickling, water washing, dipping assisting, drying, pure zinc preheating and dipping, SuperDyma alloy hot dipping and cooling. After being pretreated by a common massive hot galvanizing method, a workpiece is dipped in a 430-470DEG C pure zinc bath for 2-30s and then dipped in a 430-470DEG C SuperDyma alloy bath which is arranged with the pure zinc bath side by side for 5-120s. The surface of an obtained alloy coating is great in quality, even in thickness and great in mechanical performance, the corrosion resistance of the alloy coating is more than 10 times of a common pure zinc coating, and the service life is long. The problems that silicon reacts when the structural steel is hot-dipped with pure zinc and the surface quality of a coating only coated with SuperDyma alloy is poor are overcome, and the use of an unstable dipping assistant is avoided. Under the condition of obtaining the same workpiece service life, the thickness of the coating can be reduced, hop dipping time is shortened, and the production cost is reduced. The technology is stable, and the quality of the coating is easy to control.

The invention relates to an additive for plating assisting, a plating assisting solution and a hot-dip plating method in the technical field of chemical engineering. The additive for plating assistingcomprises a chemical compound which is as shown in the formula I (Please see the formula I in the specification.), wherein R1 represents C12-16 alkyl radical, R2 represents methyl or hydroxypropyl, R3 represents one of hydroxyethyl, hydroxypropyl and dihydroxy propyl, R4 represents one of methyl, hydroxyethyl and dihydroxy propyl, and X represents one of Cl, Br and I. According to the additive, better interface wettability between molten coated metal and workpieces can be achieved, and skip plating is prevented; and meanwhile, the adhesion amount of a plating assisting agent is reduced, the drying process is accelerated, the risk of accidents such as scalds is reduced, the dip plating time is shortened, and material consumption is reduced.

The invention discloses a hot dip galvanizing processing technology. The hot dip galvanizing processing technology comprises the following steps that 1, a workpiece is degreased; 2, the workpiece is washed by using a hydrochloric acid solution for 35-40 minutes, and then is washed by using clear water; 3, after the water flow for washing the workpiece in the step 2 flows into a neutralization tankto perform neutralization reaction, the water flow is discharged into the outside; 4, plating assistance is carried out, wherein the workpiece is placed in a plating assistance solution with the temperature of 60-80 DEG C for 10-12 seconds; 5, drying is carried out, wherein the workpiece is dried in a drying chamber with the temperature of 130-140 DEG C for 1-2 minutes, and moisture on the surface of the workpiece is removed; 6, hot dip plating is carried out; and 7, cooling is carried out. According to the hot dip galvanizing processing technology, Al and Ni are added into a plating solution, so that the product quality is effectively improved, and the hot dipping efficiency is high; and then, before hot dip plating, the workpiece firstly reacts with the plating assistance solution, so that the surface of the workpiece is activated, the adhesive force of a zinc layer is increased, the quality of the workpiece is improved, and the production efficiency is improved.

The invention discloses an efficient penetrant for a composite material. The penetrant is prepared from the following raw materials in parts by weight: 1 to 40 parts of fatty alcohol-polyoxyethylene ether, 1 to 40 parts of isomeric alcohol polyoxyethylene ether, 0.1 to 1 part of urea, 0.1 to 1 part of triethanolamine, 2 to 15 parts of ethanol and 40 to 70 parts of water. Compared with the prior art, the high-efficiency penetrant for the composite material provided by the invention has the advantages that resin can be quickly and uniformly wetted and permeated in a fiber base material, penetration time is only 40-50 seconds, and gum dipping time is shortened.

The invention discloses a multifunctional plating assistant additive for hot-dip metal plating and a preparation method thereof, which belongs to the technical field of corrosion prevention of metal materials, and aims to improve the wettability between liquid metal and a workpiece, improve plating assistant adhesion uniformity and continuity, and reduce drying time by by adding explosion-proof factors into traditional raw materials. By adding a ampholytic surfactant and a nonionic surfactant, liquid metal splashing can be effectively prevented, immersion plating time can be shortened, raw materials can be saved, the residue form can be improved, ash content can be reduced, ash discharge speed can be increased, air can be isolated, oxidation can be completely eradicated, and residual dirtcan be expelled. The multifunctional plating assistant additive is suitable for various processes such as hot galvanizing, hot galvanizing of aluminum alloy and hot aluminizing.

The invention discloses textile dip dyeing equipment, and relates to the technical field of textile. The textile dip dyeing equipment comprises a base plate, protective baffles are fixedly connected to the symmetrical positions of the two sides of the top of the base plate, a magnetic electromagnet is fixedly connected to the middle position of the top of the base plate, and rail plates are fixedly connected to the middle positions of the outer walls of the two sides of the magnetic electromagnet. Power generation rails are fixedly connected to the front faces and the back faces of the tops ofthe rail plates, friction supports are fixedly connected to the middle positions of the sides, away from each other, of force application plates, and modulation rods are fixedly connected to the middle positions of the sides, away from the friction supports, of mounting discs. A traction rope is fixedly connected to the side, away from the friction supports, of the mounting discs, and a dip dyeing box is fixedly connected to the end, away from the mounting discs, of the traction rope. Power is applied through airflow flowing, textiles and dip dyeing liquid move mutually, the dip dyeing progress is promoted, the dip dyeing time is shortened, and the quality of the textiles is protected.

The invention discloses a tomato lipoxygenase family silent expression vector, and a construction method and application thereof. The silent expression vector contains a double-chain RNA (ribonucleic acid) expression unit, and comprises a promoter, a TomloxACD spliced gene forward segment, a TomloxACD spliced gene reverse segment and a terminator, wherein the TomloxACD spliced gene is spliced from TomloxA gene segment (SEQ ID No.1), TomloxC gene segment (SEQ ID No.2) and TomloxD gene segment (SEQ ID No.3). The silent expression vector is transformed into wild type tomato under the mediation of agrobacterium to obtain the transgenic positive plant; and the alpha-linolenic acid and linoleic acid content in the fruit is obviously increased as compared with that in the non-transgenic plant, which indicates that the silent expression vector can be used for breeding high-unsaturated-fatty-acid fruit tomato plants and has favorable application prospects in the aspects of improving the tomato fruit quality and enhancing the nutritive value of the tomato fruit.

The invention discloses a diaphorina citri kuwayama vitellogenin gene RNAi vector as well as a preparation method and application thereof. The RNAi vector comprises a skeleton vector and a hairpin structure, wherein the hairpin structure is an ihpRNA expression cassette, the structure of the ihpRNA expression cassette is a PtrpC promoter + a forward target gene segment + intron + a reverse targetgene segment + a TtrpC terminator structure, and the target gene segment is a diaphorina citri kuwayama vitellogenin gene conserved sequence DcVg1a or DcVg1b; and the skeleton vector is a filamentousfungus expression vector. The invention also discloses a transgenic biocontrol fungus as well as a preparation method and application thereof. The transgenic biocontrol fungus is obtained by converting the biocontrol fungus through the RNAi vector. Experiments prove that the obtained transgenic lecanicillium attenuatum can effectively improve the toxicity of the transgenic lecanicillium attenuatumto diaphorina citri kuwayama and shorten the dip-dyeing time of the diaphorina citri kuwayama.