1906results about How to "Moderate hardness" 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.

The invention relates to a water capsule with water and hydrotropic substance as core materials and a manufacturing method of the water capsule. The water capsule is composed of a certain number of water capsule wall materials and the core materials, wherein the water capsule wall materials are compositions of long-chain ester materials and food-grade coagulant aids in specific proportion; the core materials are compositions of pure water, water-soluble substance and the hydrotropic substance. The water capsule is not used as an existing capsule capable of containing oil-soluble flavor substance only, the water and water substance can be included in the water capsule, and meanwhile the single-layer wrapped water capsule is achieved due to the fact that the wall materials are made of the long-chain ester materials and the specific coagulant aids. The water capsule is relatively simple in process; multi-layer wrapping is not needed; the commercial production is easily achieved; raw materials are easily obtained; the water capsule is easy to operate.

The present invention relates to a high refraction and high adhesion large power LED packaging organosilicon material and a chemical synthesis method thereof. The organosilicon packaging material is prepared by carrying out mixing matching on a component A and a component B according to a mass ratio of 1:1, wherein the component A comprises vinyl phenyl polysiloxane, vinyl phenyl silicone oil, a platinum-containing polysiloxane catalyst and a tackifier, the component B comprises hydrogen-containing phenyl polysiloxane, dihydrideterminated phenyl polysiloxane, vinyl phenyl polysiloxane and an inhibitor, the tackifier is prepared by carrying out addition on isocyanate, methoxy silane and epoxy silane, and provides strong adhesion for PPA and a silver surface, the curing agent is prepared by compounding hydrogen-containing phenyl polysiloxane and dihydrideterminated phenyl polysiloxane, and a compounding mass ratio is preferably 4:1-2, such that the packaging material has moderate hardness and flexibility after curing so as to effectively solve contradiction of strength and cracking of the cured adhesive. With the present invention, the organosilicon packaging material with characteristics of refraction of 1.54, suitability for industrialization and fully meeting of large power LED packaging requirements can be obtained.

The invention provides a method for processing an instant dried sweet potato, which comprises the following steps of: carrying out storage and saccharification pretreatment on a fresh sweet potato; cleaning the sweet potato, removing the peel of the fresh sweet potato and cutting the sweet potato into strips; blanching for 15-30 seconds; leaching; adding 1-3 percent by mass of honey; steaming for 30-45 minutes in steam; drying to the water content of 32-36 percent at 60-70 DEG C in microwave vacuum; adding 0.2-0.4 percent by mass of mountain naphthalene oil; steaming for 15-30 minutes in steam; drying to the water content of 14-18 percent at 50-60 DEG C in microwave vacuum; storing and dampening to the water content of 20-24 percent at 4-8 DEG C in a refrigeration house; and carrying out microwave sterilization at 30-40 DEG C for 3-6 minutes; and packaging in vacuum. By adopting the processing method of the invention, the produced instant dried sweet potato has flexible texture and certain toughness and can be chewed by all people regardless of age and sex; the product has uniform color, presents red gloss and has the potato flavor deserved by the variety, palatable sweetness, no any food additive, short vacuum microwave drying time and less loss of nutrition components; the product has the normal temperature quality guarantee period for 9 months and the refrigeration quality guarantee period for 12 months; the quality standard of the product meets the following condition: the total bacterial amount is not more than 1,000 CFU/g, the mould is not more than 50 CFU/G, the escherichia coli is not more than 30 MPN/100g, and pathogenic bacteria are not detected; in addition, the energy consumed for producing the instant dried sweet potato is reduced by more than 30 percent compared with the energy consumed for producing the instant dried sweet potato by hot air drying.

A golf ball achieving both excellent hit feeling and good restitution performance by using a rubber composition having moderate hardness and sufficient restitution performance is provided. The golf ball includes a rubber composition obtained by blending 10 to 50 parts by mass of a co-crosslinking agent and 0.1 to 6 parts by mass of a crosslinking initiator with 100 parts by mass of a rubber component. The rubber component contains at least 80 mass percent of hydrogenated polybutadiene having a double bond residual rate of 80 to 99% or preferably 85 to 99%, and cis-1,4-structure content rate of not smaller than 90% or preferably not smaller than 95%. Polybutadiene is obtained by hydrogenating a part of its double bonds.

The invention discloses an instant spiced shredded beef food, which is prepared from the following raw materials in parts by weight: 100,000 parts of beef, 2300 parts of edible salt, 1800 parts of white sugar, 1500 parts of aginomoto and 50 parts of vitamin C, and is prepared from the following spiced ingredients in parts by weight: 3,000 parts of red oil, 500 parts of five-spice oil, 40 parts of ethyl maltol, 1500 parts of beef cream, 1500 parts of chicken cream, 60 parts of ginger oil, 60 parts of scallion oil, 500 parts of five spice powder and 2,0000 parts of spice water. The preparation method comprises the following steps: preparing fresh meat, tumbling, pickling, charging, marinating, frying with hot oil, mixing raw materials and seasoning; carrying out vacuum packing and sterilization treatment; and cleaning, treating, airing, cooling, inspecting and warehousing. The invention aims at providing the instant spiced shredded beef food. The beef is uniformly seasoned and pickled, is good in flavor and taste, moderate in taste, neither too hard, nor too soft, and easy to chew and eat; most fresh taste of beef is reserved; the color of the beef is close to normal color; no toner needs to be externally added; and the food is relatively healthy.

The invention discloses black currant jam for bread with a long quality guarantee period and a preparation method thereof. The black currant jam mainly comprises the following components: 20 to 25 percent of flesh and pulp of black currant, 7.5 to 11.5 percent of modified starch, 3.8 to 6 percent of sugar alcohol, 2.2 to 3.7 percent of edible colloid, 0.3 to 1.1 percent of edible emulsifier, 4.4 to 9.7 percent of sucrose, 27 to 34.6 percent of syrup and 1 to 3 percent of grease. The preparation method comprises the following steps of: mixing the modified starch, the sugar alcohol, the edible colloid, the edible emulsifier, a preservative and the sucrose and stirring uniformly; adding water, the syrup and the grease, raising the temperature to 90 to 95 DEG C, and keeping the temperature until the gelatinization is complete; adding the flesh and pulp of the black currants, continuing to stir and keep the temperature, and controlling the content of a solid matter to 65 to 68 percent; andreducing the temperature, and adding an acidity regulator and an edible essence to obtain the black currant jam for the bread with the long quality guarantee period. The black currant jam for the bread with the long quality guarantee period has the advantages that: the jam has soft texture, moist mouthfeel, rich taste, high water content and low water activity, and is baking-resistant, the sugar degree is 65 to 70 degrees, the water activity is 0.75 to 0.8, and the quality guarantee period of finished bread containing the jam is 3 to 6 months.

The invention discloses a method for preparing a polyvinyl alcohol and polyurethane super absorbent sponge. The method includes mixing polyvinyl alcohol with distilled water at first, dissolving the polyvinyl alcohol for 20 to 30 minutes under the condition that the water bath temperature ranges from 50 DEG C to 95 DEG C and rotational speed ranges from 400r/min to 600r/min to obtain polyvinyl alcohol aqueous solution; and then heating the polyvinyl alcohol aqueous solution until the temperature of the polyvinyl alcohol aqueous solution ranges from 30 DEG C to 100 DEG C, adding water-based polyurethane prepolymer, catalysts and auxiliary foaming agents into the polyvinyl alcohol aqueous solution, stirring and uniformly mixing the mixture under the condition of rotational speed ranging from 400r/min to 600r/min, enabling the mixture to react for 5 minutes to 10 minutes, and solidifying the mixture for 2 to 4 hours at the temperature ranging from 30 DEG C to 100 DEG C to obtain the sponge with the water absorbent rate higher than 9.8. The water absorbent rate of the obtained sponge is increased to 10-20 times from the original 6-8 times of an existing polyvinyl acetal sponge, the water absorbing velocity of the sponge is increased to 8g/ming from the original 4g/ming, and the polyvinyl alcohol and polyurethane super absorbent sponge has a broad development prospect in fields of aquatic product processing, food, clinical medicine, water treatment and the like.

The invention relates to a production process of instant Chinese chestnut kernels and a product, which belong to the field of the deep processing of agricultural products. The production process comprises the following main technological processes: taking Chinese chestnuts with high water content, low reducing sugar, low starch and low fruit breaking rate as a raw material, processing instant Chinese chestnut kernels, sieving the raw material, classifying, removing outer peels, blanching, removing inner peels, quick-freezing, unfreezing, saccharifying, steaming, pasting, packaging and sterilizing. The instant Chinese chestnut kernels produced by the method have golden color, low fruit breaking rate and proper sweetness, are fragrant, glutinous and delicious and can be used as leisure foods for eating.

The invention discloses an iron-based alloy powder material for plasma cladding quick forming, which comprises the following alloy components in percentage by weight: 0.05-0.15 percent of C, 4-8 percent of Ni,10-15 percent of Cr, 0.1-1 percent of B, 0.8-1.2 percent of Si, 0.8-1.2 percent of Mo, 0.25-0.70 percent of Nb, 0.25-3.5 percent of mixed RE(containing 47 percent of Ce, 26 percent of La,18 percent of Nd and 5 percent of Pr in percentage by mass) and the balance of Fe. The iron-based alloy powder with the components is especially suitable for plasma cladding quick forming, and a cladding layer has medium hardness and wear-resistance. The iron-based alloy powder has little tendency to crack and other cladding defects under the condition of multi-layer cladding, and the cladding process is excellent with low powder cost. The powder can be also used for restoring work-piece size or used as a bottom layer before a functional cladding layer is formed during plasma single-layer cladding repair, and can be applied to wider application needs.

The invention discloses a production method for low carbon high sulfur free-cutting steel with excellent sulfide modality. Under the precondition that all the conventional production conditions are not changed and no other alloying element is added, measures are taken to control total oxygen content at 150-200 ppm, crystallizer water-carrying capacity at 1700-1900 L/min, second cooling zone specific water flow at 0.7-0.9 L/kg, heating furnace temperature at 1230-1280 DEG C, starting rolling temperature at 1100-1130 DEG C, finishing rolling temperature at 1050-1120 DEG C and the like, so as to solve the problem of low cutting performance of low carbon high sulfur free-cutting steel caused by poor sulfide modality in the prior art. Sulfide in free-cutting steel hot rolling steel wires produced by the invention has the characteristics that the mean diameter is greater than or equal to 3 Mu m, the unit area number is greater than or equal to 1000/mm<2>, the area ratio is greater than or equal to 1.1 %, the sulfide with the length-width ratio greater than or equal to 10 is below 25 %.

The invention discloses a water-based mold release and a preparation method thereof and release paper prepared by utilizing the water-based mold release. The mold release comprises the following raw materials by weight: 1 to 50 parts of organosilicone monomer, 1 to 50 parts of vinyl end-capping agent, 1 to 50 parts of alkyd resin, 1 to 10 parts of emulsifying agent, 1 to 10 parts of catalytic agent, 100 to 160 parts of deionized water, 0.1 to 10 parts of pH value conditioning agent, 1 to 10 parts of cross-linking agent and 0.01 to 1 part of platinum-based catalytic agent. The mold release has the advantages that the raw materials are cheap and easy to get; the preparation method is simple; the used mold release layer takes water as a dispersing agent; no organic solvent is released; the mold release is safe and environment-friendly; the release paper prepared by utilizing the mold release is short in thermosetting time, and is suitable for industrialized production; the prepared release paper is good in property.

The invention relates to quenching and tempering type wear resistant steel and a heat treatment method thereof. The steel comprises the following chemical components by weight percentage: less than or equal to 0.22 percent of C, less than or equal to 0.80 percent of Si, less than or equal to 1.60 percent of Mn, less than or equal to 0.025 percent of P, less than or equal to 0.010 percent of S, less than or equal to 0.60 percent of Ni, less than or equal to 1.00 percent of Cr, less than or equal to 0.50 percent of Mo, 0.02 to 0.03 percent of Nb,0.04 to 0.06 percent of V, 0.020 to 0.045 percent of Al, 0.015 to 0.030 percent of Ti, less than or equal to 0.004 percent of B, and the balance being Fe and unavoidable impurities. The steel plate has reasonable obdurability matching, proper hardness, even full-thickness hardness and the mechanical properties reaching the expected design requirements. The steel plate production process has easy operation and high adaptability. The steel plates of various batches have stable and even performance and can reach the requirements for volume production. As the tempering time in a quenching machine is longer, the tempering time can be appropriately shortened in the subsequent production through tests, thereby reducing the cost.

The invention relates to a polyurethane pouring sealant. The polyurethane pouring sealant comprises the following raw material components in parts by weight: 100-350 parts of polyether polyol, 40-70 parts of isocyanate, 20-60 parts of plasticizer and 0.01-0.5 parts of catalyst and is prepared by a method comprising the following steps: (a) mixing the polyether polyol with the plasticizer in the proportion and placing the mixture in a closed container, vacuuming for 1-3 hours while rotating at the temperature of 100-130 DEG C, and then cooling to 35-60 DGE C; and (b) mixing the isocyanate, the catalyst with the product prepared in the step (a) in the proportion and then placing the mixture in the closed container, stirring at high speed and vacuuming for 1-10 minutes, and stopping stirring when the pouring sealant releases a small amount of heat and is semitransparent. The polyurethane pouring sealant has excellent flowability and low viscosity, and is easer to penetrate to tiny apertures, thereby being beneficial to tight filling inside a poured material.

The invention discloses a preparation method for an inverted LED white-light chip of chip scale package, and the method comprises the following steps: temporarily fixing an UV solidifying adhesive tape (2-1) on the upper surface of a die bonding positioning light cover (1); setting flip chips (3) on the upper surface of the UV solidified adhesive tape (2-1) according to the position of the die bonding positioning light cover (1); employing a fluorescent glue film (4) to cover the flip chips (3); carrying out vacuumizing and heating, and enabling the fluorescent glue film (4) to be solidified and packaged on the flip chips (3); carrying out cutting along gaps among the all packaged flip chips (3); removing the die bonding positioning light cover (1); carrying out UV irradiation and enabling the UV solidified adhesive tape (2-1) to be solidified, and obtaining the inverted LED white-light chip (5) of chip scale package. The method simplifies the technological flow, avoids glue mixing and dispensing in the original technology, improves the production efficiency and yield, and greatly reduces the production cost. The method completely avoids the sinking of phosphor, enables the batch stability of the inverted LED white-light chips (5) to be high, and enabling the color temperature of the inverted LED white-light chips (5) to be consistent.

The invention provides a kind of comination which is used for producing multi-purpose water painting pens, including the following components: stearic acid, hydrogenated oil, wax, emulsifier, pigment, and filler. The invention also provides a kind of multi purpose water painting pens based on the combination and their preparation. The multi purpose water painting pens have the properties such as water-soluble, water cleansing, and they can paint on the glass, Ci brick, plastic surface, EVA material and smooth articles.

An improved structure of automatic pressure adjustable air bed mainly includes an air mattress, an air pump, and air pipes arranged therebetween, as well as a control system disposed on the air bed. The control system includes multiple pressure sensors disposed on the air mattress for acquiring pressure signals, and a main control unit for controlling actions of the air pump or electrical controlled valves thereon, thereby achieving the automatic adjustment of firmness of the air mattress.

The invention relates to a preparation process of a Al-Zn-Mg alloy profile for a high-speed train body. The preparation process comprises the following steps that (1), extruding is carried out; (2), roll bottom continuous solution hardening is carried out; (3), stretching is carried out; (4), plate type three-stage aging oven for aviation aging treatment is carried out; (5), finished product saw cutting is carried out; and (6), packaging and storing are carried out. According to the preparation process of the Al-Zn-Mg alloy profile for the high-speed train body, roll bottom continuous solution hardening and plate type three-stage aging oven for aviation aging treatment are adopted for production, and thermal treatment precision can be greatly improved. Meanwhile, a gradient heating method is adopted during extrusion, the Al-Zn-Mg profile head and tail temperature difference is precisely controlled, the Al-Zn-Mg alloy profile head, middle and tail performance difference is reduced, and therefore the performance stability of the Al-Zn-Mg alloy profile is guaranteed.