Method for solving link configuration and wavelength allocation competed in OBS by using parallel light fiber

A method of utilizing parallel optical fiber to solve link structure and relevant wavelength distribution both being competed by data packet in burst exchange includes forming parallel optical fiber link by two parallel optical fibers in the same attribute and connector, designing relevant wavelength distribution means for formed link, using each optical fiber to transmit the same wavelength and using one of them to transmit control information, carrying out wavelength packet on the other wavelength and distributing wavelength in each packet wavelength as per traditional means.

Novel implant abutment

The invention discloses a novel implant abutment which comprises an abutment main body, an abutment connecting part is arranged in the abutment main body, an implant tooth connecting seat is fixedly mounted on the surface of the abutment connecting part, and an anti-rotation mechanism, a clamping mechanism and an anti-blocking mechanism are arranged on the surface of the implant tooth connecting seat. An anti-loosening mechanism and an extrusion mechanism are arranged in the abutment main body, an anti-rotation mechanism comprises a limiting block, an elastic block and a limiting groove, and a lantern ring is fixedly arranged at one end, close to the implant tooth connecting seat, of the abutment connecting part in a sleeving manner. The elastic block can be used for pushing the limiting block to be inserted into the limiting groove, the phenomenon that the base table connecting part is loosened or falls off due to reverse rotation of the base table connecting part is prevented, the magnet ...

Method for preparing bicyclopentadiene dioxide by catalysis through emulsion method

The invention discloses a method for preparing bicyclopentadiene dioxide by catalysis through an emulsion method, which is characterized by comprising the following steps: a synthetic reaction, i.e. adding dicyclopentadiene, water, a complexing agent, an emulsifying agent, a phosphotungstic heteropoly acid ammonium salt catalyst and a pH regulator into a reactor, heating to the temperature of 20-70 DEG C, dropwise adding hydrogen peroxide under stirring, reacting for 2-24 hours continuously at the temperature of 20-70 DEG C after dripping, and controlling the pH value to 3-5 in the reaction process; postprocessing, i.e. filtering materials after reacting, dissolving a filter cake, namely a mixture of the phosphotungstic heteropoly acid ammonium salt catalyst and a product by ethyl acetate, dissolving the product in the ethyl acetate, filtering to obtain the filter cake, namely the recovered phosphotungstic heteropoly acid ammonium salt catalyst, washing a rough product obtained after decompressing ...

Halogen-free flame-retardant resin composition and preparation method of prepreg and laminated plate

Sediment removal device

The utility model provides a sediment removal device, the power distribution box comprises a box body, the box has open top surface and the open side of part, the diapire of box is equipped with the aperture, and the lateral wall top is equipped with rings, the switch plate, the switch plate sets up the open side department of box to be connected through pivot structure and box, locking device, some of locking device sets up on the box lateral wall, and another part sets up on the switch plate, and two parts can form mechanical locking. The utility model discloses sediment removal device has cleared up the precipitates such as a large amount of silts in the cistern, and the water pumper is when drawing water, and the silt that receives strikes greatly reduced, and the life of machine obtains the extension, on the other hand, precipitates such as silt pass through sediment removal device once can accomplish the clearance, has saved manpower resources and cost greatly.

Composite medlar plant drink

The invention relates to a composite medlar plant drink. The composite medlar plant drink comprises the following raw materials in parts by weight: 900-1100 parts of water, 20-60 parts of medlar, 3-6 parts of longan, 3-6 parts of chrysanthemum, 80-120 parts of white granulated sugar, 15-25 parts of lemon juice and 0.02-0.05 part of a stabilizer. The composite medlar plant drink is prepared from the five natural food materials without any pigment, preservatives or essence in the preparation process, so that the health of people is ensured; the drink is rich in proteins, vitamins (A, B and C), beta carotene, trace elements (calcium, zinc, iron, etc.) and the like, is balanced in nutrition and can enhance the immunity of a human body; besides, by virtue of the lemon juice, peculiar taste in the plant drink can be effectively neutralized, so that the drink is suitable for public taste.

Position Chinese character inputting method

The invention relates to a Chinese character input method-azimuth Chinese character input method. It is characterized by that on the standard English keyboard said 26 keys can be partioned according to left and right characters, single-body characters and upper and lower characters, and longitudinally column-formed according to first strokes of horizontal stroke, vertical stroke, leftfalling stroke, dot stroke and turning stroke of Chinese characters. On said keyboad 35 radicals, 5 strokes and 7 simple or compound vowels are arranged only. Said invention can adopt the resolution method, also can use non-resolution method to implement Chinese character input. Said invention has the characteristics of small code element, simple and clear rule and small mnemonic quantity, etc.

Input method using position-shape-sound Chinese character coding

Position-shape-sound Chinese character coding and computer keyboard layout method

The input method includes the position code of the character pattern, the pronunciation code of the full character, the pronunciation code of partial character (or radical) in the full character as well as the stroke position code. The English letter keys are divided into left, right, top, bottom and unique zones. The position code of the character pattern is determined from the first stroke and the character structure. 37 radicals needed to memorize are arranged in columns of horizontal, left falling, point, vertical, turning strokes according to the first stroke. 23 initial consonants are arranged (including vowels and initial consonants such as 'ch', 'zh' etc.) The horizontal, left falling, point, vertical, turning strokes are arranged on V, U, I, A, O keys. Comparing with other input methods, the invented method has the features without need of knowing the character to be input, easy to remember, low coincident code rate and easy to split characters.

Halogen-free flame-retardant resin composition and preparation method of prepreg and laminated plate

The invention discloses a halogen-free flame-retardant resin composition which comprises the following components in parts by weight: 20-70 parts of solventless resin, 20-70 parts of solvent, 0-50 parts of curing agent, 8-35 parts of inorganic flame retardant, 0.01-1 part of promoter and 3-30 parts of phosphazene flame retardant; the respective components are mixed and stirred at 20-60 DEG C to prepare a colloidal liquid, and the halogen-free flame-retardant resin colloidal liquid is coated on glass cloth through a vertical or horizontal gluing machine, and is pre-dried through a drying path of the gluing machine to prepare a glass cloth prepreg; and the glass cloth prepeg is further cut and put in a hot press for hot forming to prepare a halogen-free flame-retardant glass cloth laminatedplate or mould pressing composite material. When the halogen-free flame-retardant resin composition is adopted, the prepared halogen-free flame-retardant glass cloth laminated plate can meet the requirements ...

Polyester porous diaphragm for secondary lithium battery and preparation method of polyester porous diaphragm

The invention discloses a polyester porous diaphragm for a secondary lithium battery. The polyester porous diaphragm is characterized by consisting of the following components in percentage by mass: 40-79 percent of polymer A, 15-30 percent of polymer B, 5-15 percent of a compatilizer and 1-15 percent of a pore-forming agent, wherein the thickness of the diaphragm is 0.01-0.05mm. The method for preparing the diaphragm comprises the following steps: uniformly mixing the polymer A, the polymer B, the compatilizer and the pore-forming agent, melting, mixing and granulating through a double-screw extruder, drying, performing melt extrusion through a single screw extruder, performing cold blast casting, longitudinally stretching for 2-8 times at the temperature of 80-150 DEG C, synchronously and longitudinally stretching for 2-6 times and transversely stretching for 1.5-8 times at the temperature of 80-150 DEG C, performing heat setting treatment, and preparing the polyester porous diaphragm ...

Single-sided or double-sided optical hardened polyester film and preparation method thereof

The invention discloses a single-sided or double-sided optical hardened polyester film and a preparation method thereof. The optical hardened polyester film is composed of a base film, and one or two hardened resin coatings, which are applied to and cured on the single surface or the double surfaces of the base film, wherein the base film thickness is 100-250 microns, and the surface coating thickness is 1-10 microns. The preparation method comprises the following steps: melting and casting a polyester chip through an extruder, longitudinally stretching the polyester chip to form a thin blank, coating the single or double surfaces of the thin blank with hardened resin coating liquid in an online coating mode, drying, horizontally stretching, and thermally forming to obtain the base film with the hardened resin coating liquid coatings, curing through ultraviolet light to obtain the single-sided or double-sided optical hardened polyester film, wherein the hardened resin coating liquid is ...

Method for preparing polyester film for solar cell backsheet film

The invention discloses a method for preparing a polyester film for a solar cell backsheet film, which is characterized by comprising the following steps of: mixing 200 to 400 mass parts of binary acid, 80 to 160 mass parts of dihydric alcohol, 0.01 to 0.5 mass part of highly-branched polyatomic alcohol, an esterification catalyst for synthesis of polyester, a polycondensation catalyst and a stabilizing agent and carrying out an esterification reaction; adding 0. 1 to 1.0 mass part of high-grade polyenoic fatty acid or alcohol, continuously esterifying, filtering materials and pressing into apolycondensation kettle for a pre-polycondensation reaction so as to prepare modified polyester resin slices; mixing the modified polyester resin slices and master batch polyester slices according toa mass ratio of 100:5-30; and drying, melting, filtering, extruding, cooling a cast piece, biaxially drawing, performing molding treatment and the like so as to prepare the polyester film for the solar cell ...

Synthesis method of oxaggolil sodium

The invention discloses a synthesis method of oxaggolil sodium, and belongs to the technical field of organic synthesis. According to the technical scheme, the preparation method comprises the following steps: carrying out bromination reaction on a compound 4 and N-bromosuccinimide to obtain an intermediate 5; then reacting with (R)-2-phenyl aziridine under the action of alkali metal and lewis acid to obtain an intermediate 6; then reacting with sodium 4-bromobutyrate to obtain an intermediate 7; and finally, carrying out Suzuki coupling reaction with 2-fluoro-3-methoxyphenylboronic acid, so as to obtain the oxaggolil sodium. According to the method, the conventional alkaline hydrolysis reaction is avoided, the route steps are shortened, the route efficiency is improved, and the process cost is greatly reduced.

Multilayer optical thin film and manufacturing method thereof

The invention discloses a multilayer optical thin film and a manufacturing method of the multilayer optical thin film. The multilayer optical thin film is characterized in that the thin film is formed by compounding one to 10,000 optical thin film units, and the thickness is 0.11 micron to 5,000 microns; each optical thin film unit is formed by compounding a layer of * material thin film and a layer of . material thin film, the thickness speciation of the * material thin films is 0.053 micron to one micron, and the thickness speciation of the . material thin films is 0.053 micron to one micron; the * material thin film and the . material thin film in the same optical thin film unit are different in refractive index. The multilayer optical thin film is manufactured in the mode of carrying out multilayer coextrusion through two extruders and then carrying out unidirectional or bidirectional stretching. The multilayer optical thin film has the functions of totally reflecting visible light ...

High temperature resistant electrical soft composite material and manufacturing method thereof

The invention discloses a high temperature resistant electrical soft composite material and a manufacturing method thereof. The invention is characterized in that: the high temperature resistant electrical soft composite material is a two-, three- or four-layer high temperature resistant electrical soft composite material comprised of a thin film layer, an adhesive layer and a synthetic fiber paper layer; the adhesive layer is prepared by mixing 115 to 230 weight parts of hydroxy-terminated prepolymer, 30 to 83 weight parts of multifunction isocyanate prepolymer, 70 weight parts of polyglycerol-modified ureido-ene resin, 150 to 300 weight parts of solvent; after an adhesive is applied on a thin film or synthetic fiber paper, the thin film or synthetic fiber paper is delivered to a drying channel to pass through an area, an area II at and an area II at 50 to 120 DEG C respectively and at a vehicle speed of 2 to 20 m/min to remove the solvent; then the thin film or synthetic fiber paper is ...

Plant extraction tank

The invention discloses a plant extraction tank. A tank body is internally provided with a filtering barrel, and a clearance is formed between the filtering barrel and the inner wall of the tank body; the bottom of the filtering barrel is oblique downward from outward to inward; the lowermost part of the bottom of the filtering barrel is connected with a residue discharging pipe; the bottom of the tank body is oblique upward from outward to inward, and a plurality of liquid discharge pipes are uniformly distributed on the bottommost part of the bottom of the tank body. According to the invention, the technical difficulties of a traditional plant extraction tank that materials sink, are low in writhing degree, cannot be in full and uniform contact with a solution, and sink to the bottom after being soaked, and a liquid in the lower part of the tank body cannot be discharged smoothly are solved; by virtue of the filtering barrel in the tank body, materials are separated from a liquid so as ...

Drainage blind pipe for tunnel

The utility model provides a drainage blind pipe for tunnel is at cover bobbin of delivery port department's design and installation of blind pipe for pile up the grit silt in the massif flowing water in the blind pipe. Clear up it through dismantling the cover bobbin, can prevent that grit silt from piling up the drainage blind pipe jam that can't clear up and cause.

Frame bridge crane landing leg suitable for set up precast beam under heavy grade circumstances

The utility model discloses a frame bridge crane landing leg suitable for set up precast beam under heavy grade circumstances, including the linkage segment that is used for connecting with the horn that put up bridge crane, vertical installation pneumatic cylinder, last shell ring, suit telescopic joint and fixed mounting the extension at telescopic joint lower extreme last shell ring in of fixed mounting below the linkage segment at the linkage segment middle part, telescopic joint mid -mounting canned paragraph, the lower end of the piston rod of pneumatic cylinder is articulated with the canned paragraph, extension lower extreme fixed mounting stabilizer blade, through at a bridge crane landing leg lower extreme installation extension, solve the landing leg with the extension and long and need prevent the problem of high cushion at the pier top inadequately, the extension and the frame bridge crane landing leg formula structure as an organic whole of install, the support system of formation ...

Catalytic preparation method of dicyclopentadiene dioxide by quaternary ammonium heteropoly phosphato tungstate

The invention discloses a catalytic preparation method of dicyclopentadiene dioxide by quaternary ammonium heteropoly phosphato tungstate, which is characterized by comprising the following steps: epoxidation reaction: adding the raw materials of dicyclopentadiene, solvent I and quaternary ammonium heteropoly phosphato tungstate in a reactor, heating the temperature to 30-80 DEG C, stirring and dropwise adding aqueous hydrogen peroxide solution, and reacting for 3-36h under the temperature of 30-80 DEG C after dropwise adding; post-treatment: cooling the reacted materials to room temperature, evaporating solvent I by reduced pressure distillation and separating and removing water to obtain the mixture of the product and the quaternary ammonium heteropoly phosphato tungstate catalyst, dissolving and filtering the mixture by ethyl acetate to obtain filter cake, namely the recovered quaternary ammonium heteropoly phosphato tungstate catalyst, recovering ethyl acetate by performing reduced ...

Method for preparing polyester film for solar cell backsheet film

The invention discloses a method for preparing a polyester film for a solar cell backsheet film, which is characterized by comprising the following steps of: mixing 200 to 400 mass parts of binary acid, 80 to 160 mass parts of dihydric alcohol, 0.01 to 0.5 mass part of highly-branched polyatomic alcohol, an esterification catalyst for synthesis of polyester, a polycondensation catalyst and a stabilizing agent and carrying out an esterification reaction; adding 0. 1 to 1.0 mass part of high-grade polyenoic fatty acid or alcohol, continuously esterifying, filtering materials and pressing into a polycondensation kettle for a pre-polycondensation reaction so as to prepare modified polyester resin slices; mixing the modified polyester resin slices and master batch polyester slices according to a mass ratio of 100:5-30; and drying, melting, filtering, extruding, cooling a cast piece, biaxially drawing, performing molding treatment and the like so as to prepare the polyester film for the solar ...

Catalytic preparation method of dicyclopentadiene dioxide by quaternary ammonium heteropoly phosphato tungstate

The invention discloses a catalytic preparation method of dicyclopentadiene dioxide by quaternary ammonium heteropoly phosphato tungstate, which is characterized by comprising the following steps: epoxidation reaction: adding the raw materials of dicyclopentadiene, solvent I and quaternary ammonium heteropoly phosphato tungstate in a reactor, heating the temperature to 30-80 DEG C, stirring and dropwise adding aqueous hydrogen peroxide solution, and reacting for 3-36h under the temperature of 30-80 DEG C after dropwise adding; post-treatment: cooling the reacted materials to room temperature,evaporating solvent I by reduced pressure distillation and separating and removing water to obtain the mixture of the product and the quaternary ammonium heteropoly phosphato tungstate catalyst, dissolving and filtering the mixture by ethyl acetate to obtain filter cake, namely the recovered quaternary ammonium heteropoly phosphato tungstate catalyst, recovering ethyl acetate by performing reduced pressure ...

Weather-proof solar cell back panel base membrane and preparation method thereof

The invention discloses a weather-proof solar cell back panel base membrane and a preparation method thereof. The base membrane is characterized in that a PET polyester resin and other polyester resins are blended and then are processed by bidirectional stretching to form a polyester film and then oxide with the thinness of 30nm to 90 nm is evaporated and plated on the polyester film. The thickness of the base membrane is 50 microns to 350 microns. The mass proportion of the materials in the polyester film is 3-9 to 1 of the PET polyester resin to other polyester resins. The base membrane is steamed and boiled under the temperature of 121 DEG C to attenuate the fracture elongation to 10%; and the boiling time is 150h to 203h. In the test environment with the temperature of 38 DEG C and 90% RH, the moisture-vapor transmission of the base membrane is 0.1 to 0.5g/m<2>*24H. After 300-kwh/m<2> energy irradiation of a UVA-340 ultraviolet lamp, the yellow stain value delta b is 0.3 to 1. The provided ...

一种数字双码汉字编码及键盘布局的方法

In the method, digit of one to four is used to separately be specified as the primary stroke position code of horizontal stroke (including rising stroke), vertical stroke, leftfalling strokeand point stroke (including rightfalling stroke) for non-left andright structure word as well as other non-primary stroke position code for all Chinese characters, digit five is specified as position code of turning stroke (including bend and hook stroke) for Chinese character; digit of six to nine is separated specified as primary stroke code of horizontal stroke (including rising stroke), vertical stroke, leftfalling stroke and point stroke (including right falling stroke) for left and right strucure word and code element of dicode is applied for Chinese character coding.

一种磷系阻燃聚酯薄膜的制造方法

The production process of serial phosphor containing fireproof polyester film features that the materials including diethanol terephthalate 100 weight portions, fire retardant 1-15 weight portions and acetate as catalyst 0.001-1 weight portions, and through grafting reaction under the 250-355 deg.c and 10-150 Pa molten condition for 3-6 hr to prepare fireproof polyester, drying at 120-180 deg.c to water content of 5-200 ppm, and molten extruding and double-shaft directional stretching under nitrogen protection to obtain fireproof polyester film. The fireproof polyester film product of the present invention has high oxygen index and high fire retarding effect, and is suitable for use as insulating material for motor and electric appliance and as building decorating material.

Azimuth six-code Chinese inputting method

A directional six codes input method of Chinese character includes using standard code on 26 keys of standard English keyboard as the base and adding two codes behind them to finalize the phonetic alphabet scheme, arranging 26 English letters on 10 digital keys for realizing combination of large keyboard input method with digital keyboard input.

High temperature resistant electrical soft composite material and manufacturing method thereof

The invention discloses a high temperature resistant electrical soft composite material and a manufacturing method thereof. The invention is characterized in that: the high temperature resistant electrical soft composite material is a two-, three- or four-layer high temperature resistant electrical soft composite material comprised of a thin film layer, an adhesive layer and a synthetic fiber paper layer; the adhesive layer is prepared by mixing 115 to 230 weight parts of hydroxy-terminated prepolymer, 30 to 83 weight parts of multifunction isocyanate prepolymer, 70 weight parts of polyglycerol-modified ureido-ene resin, 150 to 300 weight parts of solvent; after an adhesive is applied on a thin film or synthetic fiber paper, the thin film or synthetic fiber paper is delivered to a drying channel to pass through an area, an area II at and an area II at 50 to 120 DEG C respectively and at a vehicle speed of 2 to 20 m/min to remove the solvent; then the thin film or synthetic fiber paper is ...

Method for preparing melt drop-resistance flame-retarding polyester resin

The invention discloses a method for preparing a melt drop-resistance flame-retarding polyester resin, which is mainly characterized in that: uniformly mixing terephthalic acid, glycol, dihydroxy siloxane, a catalyst, a stabilizer and an assistant uniformly to perform esterification at 160 to 250 DEG C under a pressure of 0.2 to 0.4MPa; adding halogen-free copolymer flame retardant prepolymerization liquid and performing organic treatment by using a quaternary ammonium salt having multiple active hydroxys to obtain nano organic imvite dispersion, performing polycondensation at 240 to 290 DEG C under a pressure of less than or equal to 65Pa for 2 to 4 hours; and after the reaction is finished, cooling by water, granulating and obtaining the flame-retarding polyester resin with high flame retardance and melt drop resistance. The flame-retarding polyester resin prepared by the invention can be used as raw material of thin films with grade 94ULV-0 or VTM-0 flame-retarding performance, fibers ...

Single-face or double-face optical hardening composite membrane and preparation method thereof

The invention discloses a single-face or double-face optical hardening composite membrane. The single-face or double-face optical hardening composite membrane is characterized by being composed of a base membrane and hardening resin coatings, wherein the hardening resin coatings are applied and solidified to single face or double faces of the base membrane, the base membrane is a two-way-stretched optical A-layer and B-layer composite membrane or A-layer B-layer and A-layer composite membrane, the thickness of the base membrane is 100 to 250 microns, and the thickness of each coating is 1 to 10 microns. A preparation method comprises the steps of performing melting casting and longitudinal drawing on polyester chips respectively by a No.1 extruder and a No.2 extruder so as to form blank sheets, then applying hardening resin coating liquid to the surfaces of the blank sheets, drying, horizontally drawing, performing heat setting, and solidifying by ultraviolet light so as to obtain the single-face ...

Method for solving link configuration and wavelength allocation competed in OBS by using parallel light fiber

Method for preparing bicyclopentadiene dioxide by catalysis through emulsion method

The invention discloses a method for preparing bicyclopentadiene dioxide by catalysis through an emulsion method, which is characterized by comprising the following steps: a synthetic reaction, i.e. adding dicyclopentadiene, water, a complexing agent, an emulsifying agent, a phosphotungstic heteropoly acid ammonium salt catalyst and a pH regulator into a reactor, heating to the temperature of 20-70 DEG C, dropwise adding hydrogen peroxide under stirring, reacting for 2-24 hours continuously at the temperature of 20-70 DEG C after dripping, and controlling the pH value to 3-5 in the reaction process; postprocessing, i.e. filtering materials after reacting, dissolving a filter cake, namely a mixture of the phosphotungstic heteropoly acid ammonium salt catalyst and a product by ethyl acetate, dissolving the product in the ethyl acetate, filtering to obtain the filter cake, namely the recovered phosphotungstic heteropoly acid ammonium salt catalyst, washing a rough product obtained after decompressing ...