Selenium selenium zinc compound photoresistor material

The invention relates to a photoresistance material of a category of sulfur selenium zinc compound, in particular to a novel photoresistance material. The chemical formula of the compound of the photoresistance material is ZnSe1-xSx (0 Подробнее

Preparation of transient metal chalcogenide compound

The invention relates to a preparation method of a transition metal chalcogenide, and relates to the synthesis of the transition metal chalcogenide. The preparation method adopts a chalcogen simple substance and transition metal oxygen-containing compounds as raw materials, the reaction is acted at high temperature in vacuum to obtain the transition metal chalcogenide. The preparation method is characterized in that boron which is slightly more than the chemical reacting dose is added in a reaction system for synthesizing the transition metal chalcogenide. The preparation method has the advantages of safe operating process, relatively lower material cost, simple reaction condition, easy control, no use of noxious gas and organic solvent, etc.

Method for improving metal leaching rate in waste lithium ion batteries by controlling oxidation-reduction potential

The invention discloses a method for improving the metal leaching rate in waste lithium ion batteries by controlling oxidation-reduction potential, which comprises the following steps of: (1) removing shells of the waste lithium ion batteries; (2) preparing a leaching medium from the following components in a weight/volume ratio: 3.0g/L of (NH4)2SO4, 0.1g/L of KCl, 0.5g/L of K2HPO4, 0.5g/L of MgSO4.7H2O, 0.01g/L of Ca(NO3)2, and 25g/L of FeSO4.7H2O, and ensuring the pH of the leaching medium is 2.0; and (3) inoculating acidithiobacillus ferrooxidans in an inoculums concentration of 10 percent. The invention has the advantages that: the consumption of nutrients of the mediums can be reduced, the leaching efficiency of lithium cobaltoxide is greatly improved, the consumption of FeSO4 in a 9K medium of 44.8g/L is reduced to 25g/L, the leaching rates of cobalt and lithium can be respectively improved to 97 percent and 80 percent, and a new technical method with low cost and high leaching efficiency ...

Metal zinc ammonchelidonic acid complexes and preparation method thereof

The present invention provides a metal zinc Chelidonic acid conjugate and a preparation method thereof. The chemical formula of the conjugate is [Zn3(C7H2NO5)2(H2O)8]n, the category of the compound is a triclinic crystal system, the space group is P-1(No.2), the cellular parameters include: a equal to 7.0 to 7.6, b equal to 8.0 to 8.6, c equal to 9.0 to 9.6, alpha equal to 105 to 116, beta equal to 96 to 106, gamma equal to 90 to 100 degrees, and Z equal to 1. Though the fluorescence degree is large and the peak is broad, the site of the emission peak is at 389nm and 503nm, the site of the excitation peak is at 316nm. The thermal stability of the compound is good with the thermal decomposition temperature at 150 DEG C, and the compound can be used as a potential fluorescent material. The method provided by the present invention has simple synthesis, easy operation, good availability of raw material, low production cost, and high yield of the synthesized compounds.

Metallic copper chelidonamic acid complex and method for preparing the same

The invention relates to a metallic copper chelidamic acid complex and a preparation method thereof. The invention is characterized in that the technical method comprises the steps as follows: basic copper carbonate and chelidamic acid are mixed in the mol proportion of 3 to 4 and then are put into a high pressure vessel which has the volume of 25ml and contains 10ml of distilled water; then the mixture is sintered under constant temperature for four days in 413K; finally, green columnar crystalloid is obtained when the temperature is lowered to the room temperature; and the yield of a target compound is 87 percent approximately. The invention has the advantages that: 1. the metallic copper chelidamic acid complex has good fluorescent characteristic, large fluorescence intensity, wide peak and low-temperature sequential antiferromagnetism; 2. the metallic copper chelidamic acid complex is different from most complexes in low pyrolysis temperatures, and the synthesized compound has good ...

SEMICONDUCTOR RUN-TO-RUN CONTROL SYSTEM WITH STATE AND MODEL PARAMETER ESTIMATION

Steel battery shell and manufacturing method thereof, sizing grinding tool and battery

The invention relates to a steel battery shell, a method for manufacturing the steel battery shell, a sizing grinding tool and a battery. The steel battery shell comprises a steel shell body, the steel shell body is provided with an internal cavity, and comprises an opening portion and an accommodating portion along the axial direction of the steel shell body, wherein the end face of the opening portion is an opening, the accommodating portion is integrally connected with the opening portion and provided with a base, and the diameter of the inner wall of the opening portion is greater than that of the accommodating portion. The diameter of the inner wall of the opening portion is greater than that of the accommodating portion fitted with the outer diameter of a battery core, so that the opening portion provides a large space for the battery core when the battery core is put into the steel shell body, the phenomenon that the battery core is broken and a membrane is turned over and the like ...

Method for synthesizing coumarin-3-phosphonate derivative

The invention discloses a method for preparing a coumarin-3-phosphonate derivative, which comprises the following steps that: one of coumarin derivatives, one of phosphite esters, and manganese acetate are dissolved into a solvent and react at a temperature of between 20 and 100 DEG C to prepare the coumarin-3-phosphonate derivative. The method uses the coumarin derivative as an initiator with easily-obtained raw materials and wide varieties; products obtained by utilizing the method have various types, can be directly used, and can also be used for other further reactions; in addition, the use of green solvents, namely ethanol and acetic acid reduces the pollution, and the green solvents are cheap and available, so that the method reduces the production cost; at the same time, the method has the advantages of mild reaction conditions, simple reaction operation and post-treatment process, short reaction time and higher yield.

Method for synthesizing chromone-3-phosphonate derivative

The invention discloses a method for preparing chromone-3-phosphonate derivatives, which comprises the following steps that: one of chromone derivatives, one of phosphite esters, and manganese acetate are taken as reactants, and the reactants are dissolved into a solvent and react at a temperature of between 20 and 100 DEG C to prepare the chromone-3-phosphonate derivatives. The method uses the chromone derivative as an initiator, so the method has easily-obtained raw materials and wide varieties; products obtained by utilizing the method have various types, can be directly used, and can also be used for other further reactions; in addition, the use of green solvents, namely ethahol and acetic acid reduces the pollution, and the green solvents are cheap and easy to obtain, so that the method reduces the production cost; at the same time, the method has the advantages of mild reaction conditions, simple reaction operation and post-treatment process, short reaction time and higher yield.

Hydrogen material from photocatalytic water decomposition and preparation method thereof

The invention relates to a hydrogen material from photocatalytic water decomposition. The target compound is a perovskite structured material with a chemical formula of Sr2/3Zn1/3TiO3. Belonging to the cubic system, the compound has a space group of Pm-3m and the unit cell parameters of a=3.90-3.95??, b=3.90-3.95??, c=3.90-3.95??, a=89-91??, b=89-91??, g=89-91??, and Z=1. Induced by the ultraviolet light with a wavelength of 150-300 nanometers, and with ethanol as the sacrifice agent, the material of the invention can have high photocatalysis efficiency, and can reach a hydrogen production rate of 73.2??mol*h<-1>*g<-1> without a precious metal cocaralyst. The material of the invention has the advantages of: 1. simple sol-gel preparation method, low production cost, high synthetic yield, high purity and good repeatability, thus satisfying the requirements of expanded production; 2. good thermostability, strong acid and alkali resistance; 3. and good effect of hydrogen production from photocatalytic ...

Method for synthesis of benzimidazoline derivant

The invention discloses a method for synthesizing benzimidazoline derivatives, which comprises the steps as follows: mixing one of ortho-phenylene diamine or the derivatives thereof and one of 1,3-disubstituted acetone as reactants, grinding, and liquefying in the absence of solvents and catalysts, and reacting at 20 DEC C-70 DEC C to obtain benzimidazoline derivatives. The solvent-free organic reaction avoids the employment of organic compounds with toxicity and volatility in a large amount, thus reducing the pollution, simplifying the reaction operation and the post-treatment process and reducing the production cost, and the method has great industrial application potential, and has the advantages of high yield and good selectivity.

Formulation of intermediate-temperature acidic nanometer chemical composition plating Ni-P-ZrO2

The invention relates to a formulation of an intermediate-temperature acidic nanometer chemical composition plating Ni-P-ZrO2 which is characterized by comprising the formulation as follows: (1) formation of base plating solution comprising: 25-30g/L of nickel sulfate, 25-35g/L of sodium hypophosphite, 12-18g/L of Sodium acetate, 0.5-1.3MG/L of thiourea, 15-25ml/L of lactic acid, 15-25ml/L of glacial acetic acid and 5-10g/L of organic acid; (2) additive formulation of periodic test: the adding weight ratio of sodium hypophosphite to the nickel sulfate is 1.1-1.3, wherein the concentration of nickel ion in the plating solution is tested in every 60 minutes, the concentrated solution is added according to the consumption of the nickel ion, wherein the addition of the nanometer ZrO2 granule is 10-25 percent of the original use amount, the plating temperature is 70-75 DEG C and the PH value ranges from 4.5 to 5.2. The invention has the advantages of high plating speed that can be comparedwith ...

Metallic phosphorous halogen compound with large-hole open framework structure and preparation method thereof

The invention discloses a metallic phosphorous halogen compound with a large-hole open framework structure, which is characterized in that the chemical formula is [Hg4As2] (InBr3.5As0.5), the compound belongs to a hexagonal system, the space group is P63/mmc, and the unit cell parameters comprise that a is 7.0 to 8.0, b is 7.0 to 8.0, c is 12.0 to 13.0, alpha is 89 to 91 degrees, beta is 89 to 91degrees, gamma is 119 to 121 degrees and Z is 2. The metallic phosphorous halogen compound has the advantages that: 1, the metallic phosphorous halogen compound has the large-hole open framework structure, the maximum hole is 0.12 nanometer, and the compound can be used as a good potential porous material; 2, the compound has good thermal stability, and the thermal decomposition temperature of the compound is 278 DEG C; and 3, a synthetic method is simple and convenient to operate, the raw material is sufficient, the production cost is low, and the synthesized compound has high yield, high purity ...

City tunnel shaft type natural ventilation and smoke-discharging proof method

The invention discloses a city tunnel structure system, a city tunnel is equipped with a plurality of naturally ventilating vertical wells, the top end of the vertical well is communicated with the ground, the lower end of the vertical well is communicated with the inside of the tunnel. The vertical well is arranged on the top or side upper part of the tunnel along the length direction. The naturally ventilating vertical wells can be arranged continuously along the whole length of the tunnel, or discontinuously along the whole length of the tunnel, the largest distance between the vertical wells is preferably larger than 240 meters. The top end of the vertical well can be added with a wind cap, and an auxiliary ventilator is added when natural ventilation amount is adequate. The invention also discloses a city tunnel vertical well type natural ventilation and smoke control technology using the structure system, which is suitable for single cavity two-direction traffic tunnels, as well as ...

Method for synthesizing coumarin-3-phosphonate derivative

The invention discloses a method for preparing a coumarin-3-phosphonate derivative, which comprises the following steps that: one of coumarin derivatives, one of phosphite esters, and manganese acetate are dissolved into a solvent and react at a temperature of between 20 and 100 DEG C to prepare the coumarin-3-phosphonate derivative. The method uses the coumarin derivative as an initiator with easily-obtained raw materials and wide varieties; products obtained by utilizing the method have various types, can be directly used, and can also be used for other further reactions; in addition, the use of green solvents, namely ethanol and acetic acid reduces the pollution, and the green solvents are cheap and available, so that the method reduces the production cost; at the same time, the methodhas the advantages of mild reaction conditions, simple reaction operation and post-treatment process, short reaction time and higher yield.

Diaphragm, diaphragm manufacturing method, and battery using diaphragm

The invention relates to a diaphragm, a battery using the same and a diaphragm manufacturing method. The diaphragm comprises a diaphragm main body, a first alignment lineation arranged on one face of the diaphragm main body and a second alignment lineation arranged on the other face of the diaphragm main body and aligned with the first alignment lineation. The two faces of the diaphragm main body are provided with the first alignment lineation and the second alignment lineation which are mutually aligned; a positive electrode plate and a negative electrode plate can be aligned if only the positive electrode plate and the negative electrode plate are respectively aligned with the first alignment lineation and the second alignment lineation. The invention is convenient, simple and fast, has high alignment precision and efficiency, can be used to avoid bad conditions, such as malposition, deviation, inclination and the like, has high placing quality, and can be used for greatly improving the ...

Formula of chemical nickel-plated brightener

The invention discloses a formula of a chemical nickel-plated brightener, comprising: 20 to 30g/L of nickel sulfate, 23 to 32g/L of sodium hypophosphite, 10 to 20g/L of sodium acetate, 4 to 10g/L of malic acid, 6 to 13ml/L of acetic acid, 6 to 15ml of lactic acid, 3 to 10mg/L of bismuth sulfate, 1 to 4mg/L of chelidonamic acid, 1 to 4mg/L of o-phenanthroline, 1 to 6mg/L of sodium dodecyl sulfate and 0.5 to 2.5mg/L of copper sulfate, wherein the PH value of the formula is 4.5 to 5.0. The formula of the chemical nickel-plated brightener has the advantages that: when the brightener is used, a plating can achieve the effect of full brightness, light-emitting speed is high, light generally emits after about 5 minutes and a mirror face effect can be achieved after 10 minutes; and the used amount of the brightener is small, plating liquid is stable, the bonding force of the plating is large, the corrosion resistance of the plating is high, and the test of a citric acid pitting corrosion method ...

High-efficiency strain breeding method for biologically leaching cobalt and lithium in waste lithium ion battery

The invention relates to a high-efficiency strain breeding method for biologically leaching cobalt and lithium in a waste lithium ion battery, which is characterized by comprising the steps: 1) treatment of electrode material of the lithium ion battery; 2) collection, enrichment and purification of high performance strain; 3) adding energy materials such as Fe, sulfur, thiosulfate and the like as well as lithium ion battery powder culture bacteria which is needed to be leached for domestication and cultivation; 4) mutagenizing the bacteria by using ultraviolet radiation and obtaining mutation mixed strain. The invention has the advantages that a new way is provided for recovering valuable metals in the waste lithium ion battery; the treatment method is low in cost, free from pollution, high in leaching efficiency and good in application prospect.

Rare earth lanthanum chelidonamic acid complex and preparation method thereof

The invention relates to a rare earth lanthanum chelidonamic acid complex which is characterized in that the chemical formula of the composition is [La(C7H2NO5).4H2O]n; the composition belongs to the monoclinic system; the space group is P2(1)/n (No.14), parameters of unit cells are a=9.4-10.4 b=7.0-8.0 c=15.0-16.0 alpha=89-91, beta=100-110, gamma=89-91 degrees, z=4. The invention has advantages as follows: 1. good fluorescent characteristic, larger fluorescence intensity and wide peak ratio; 2. different from low thermo-decomposing temperature of most of compositions, the compounded composition has good thermostability and the thermo-decomposing temperature thereof is 180 DEG C; 3. the compound method is simple and easily operated, has sufficient raw material source and low cost of production; the compound has higher synthetic yield, high purity and good repeatability and is suitable for the expanded production requirement.

Method for synthesis of 5-nitryl-4, 5-dihydrofuran derivant

The invention discloses a synthetic method of 5-nitryl-4, 5-dihydrofuran derivates, comprising: taking one of Beta-nitrostyrene with a substituent on a benzene ring, Beta-nitrofuran ethylene with a substituent on a furan ring, Beta-nitrothiophene ethylene with a substituent on a thiophene ring, Beta-nitropyrrole ethylene with a substituent on a pyrrol ring and Beta-nitropyridine ethylene with a substituent on a pyridine ring as well as manganic acetyl acetonate (III) as reactants, and anhydrous alcohol as a reaction solvent, and preparing the 5-nitryl-4, 5-dihydrofuran derivates by the reaction at a temperature of between 30 and 70 DEG C. The raw materials used in the method are low-priced and can be obtained easily, and have a plurality of species, and the synthesized products can serve as potential molecules having the biological activity and key intermediates; and the method utilizes ethanol as a reaction medium, so as to reduce the pollution, shorten the reaction time, simplify the ...

Metal zinc organic coordination polymer and preparation method thereof

The invention relates to metal zinc organic coordination polymer. The chemical formula of the metal zinc organic coordination polymer is [Zn2.(C7H3NO5)2.(C10N2H8)].2H2O; the metal zinc organic coordination polymer is an orthorhombic crystal system; the space group is Pbca; and single cell parameters are that: a is 18.2 to 19.3, b is 6.6 to 7.6, c is 18.2 to 19.2, a is 89 to 91, b is 89 to 91, g is 89 to 91 and Z is 4. The invention has the advantages that: 1, the obtained compound has high third-order nonlinear optical characteristic, third-order refraction index of 3.95*10<-9>esu and third-order polarizability of 1.07*10<-10>esu; 2, different from most complexes having low thermal decomposition temperature, the synthesized compound has high thermal stability and thermal decomposition temperature of 160 DEG C; and 3, the synthetic method is simple, easy in operation, sufficient in raw material sources, low in production cost, high yield and high purity of the synthesized compound and high ...

Metal zinc ammonchelidonic acid complexes and preparation method thereof

The invention provides a metal zinc Chelidonic acid conjugate and a preparation method thereof. The chemical formula of the conjugate is [Zn3 (C7H2NO5)2 (H2O) 8]n, the category of the compound is a triclinic crystal system, the space group is P-1(No.2), the cellular parameters include: a equal to 7.0 to 7.6, b equal to 8.0 to 8.6, c equal to 9.0 to 9.6, alpha equal to 105 to 116, beta equal to 96 to 106, gamma equal to 90 to 100 degrees, and Z equal to1. Though the fluorescence degree is large and the peak is broad, the site of the emission peak is at 389nm and 503nm, the site of the excitation peak is at 316nm. The thermal stability of the compound is good with the thermal decomposition temperature at 150 DEG C, and the compound can be used as a potential fluorescent material. The method provided by the invention has simple synthesis, easy operation, good availability of raw material, low production cost, and high yield of the synthesized compounds.

Method for synthesizing chromone-3-phosphonate derivative

The invention discloses a method for preparing chromone-3-phosphonate derivatives, which comprises the following steps that: one of chromone derivatives, one of phosphite esters, and manganese acetate are taken as reactants, and the reactants are dissolved into a solvent and react at a temperature of between 20 and 100 DEG C to prepare the chromone-3-phosphonate derivatives. The method uses the chromone derivative as an initiator, so the method has easily-obtained raw materials and wide varieties; products obtained by utilizing the method have various types, can be directly used, and can alsobe used for other further reactions; in addition, the use of green solvents, namely ethahol and acetic acid reduces the pollution, and the green solvents are cheap and easy to obtain, so that the method reduces the production cost; at the same time, the method has the advantages of mild reaction conditions, simple reaction operation and post-treatment process, short reaction time and higher yield.

Method for synthesis of benzimidazoline derivant

The invention discloses a method for synthesizing benzimidazoline derivatives, which comprises the steps as follows: mixing one of ortho-phenylene diamine or the derivatives thereof and one of 1,3-disubstituted acetone as reactants, grinding, and liquefying in the absence of solvents and catalysts, and reacting at 20 DEC C-70 DEC C to obtain benzimidazoline derivatives. The solvent-free organic reaction avoids the employment of organic compounds with toxicity and volatility in a large amount, thus reducing the pollution, simplifying the reaction operation and the post-treatment process and reducing the production cost, and the method has great industrial application potential, and has the advantages of high yield and good selectivity.

Synthesis method of 2-nitro-3-aryl-2,3,5,7-tetrahydrobenzofuran-4-one derivative

The invention discloses a synthesis method of 2-nitro-3-aryl-2,3,5,7-tetrahydrobenzofuran-4-one derivatives, comprising the following steps: adopting one of beta-nitrostyrolene, beta-nitrofurylethylene, beta-nitrothienylethylene, beta-nitropyrrylethylene or beta-nitropyridylethylene or one of derivative thereof and 1,3-macrocyclicdiketone as reactants to react at 30-70 DEG C and preparing the 2-nitro-3-aryl-2,3,5,7-tetrahydrobenzofuran-4-one derivative. In the method of the invention, the raw materials are cheap, accessible and various, the synthesized products have various types and the products can be used as potential molecules with biological activity and important key intermediates; the invention adopts ethanol as reaction medium so as to reduce the pollution, shorten the reaction time, simplify the reaction process and the post-treatment process and reduce the production cost. The method of the invention has the advantages that the regioselectivity and the stereoselectivity are good ...

High-performance ceramic surface metallization process

The invention relates to a high-performance ceramic surface metallization processing technique comprising ultrasonic cleaning, calcining, infrared heating, automatic coating and printing, metalized agglutination, and galvanization and nickel agglutination. The invention is a technique that carries infrared pre-heating treatment on the ceramic surface to be metalized, automatically coats and prints the metal ointment to form an evenly dense flat metallization layer. The invention belongs to one of the techniques for improving the surface function of the high-performance compound ceramics. The metal ceramics which is produced with the technique can be welded with metal to form the high-performance compound ceramic ware which is featured by firm connection, good airproof and reliable quality and is widely applied in the fields of vacuum electronic devices, spaceflight, aviation, broadcast TV, communication, metallurgy, medicine, high energy physics, etc. The technique is easily operated and ...

Enzyme-linked assay kit and producing process thereof

Second-order nonlinear optical test system realized by utilizing integrating sphere

The invention relates to a second-order nonlinear optical test system realized by utilizing an integrating sphere. The system outputs luminous flux which is in direct proportion to the luminous flux of frequency doubling light to a detector by sufficiently utilizing the working principle of an integrating sphere so as to realize the qualitative and quantitative test on the frequency doubling effect of a sample. By utilizing the integrating sphere, the system has the advantages that the measuring result is reliable, the measuring errors caused by the shape, the divergence angle of light and the responsivity difference of different positions on the detector can be reduced and eliminated and the like. Meanwhile, the optical test system is equivalent to a light intensity attenuator, and thereby, the system can reduce the possible damage of the strong frequency doubling light to the detector.

Metallic phosphorous halogen compound with large-hole open framework structure and preparation method thereof

The invention discloses a metallic phosphorous halogen compound with a large-hole open framework structure, which is characterized in that the chemical formula is [Hg4As2] (InBr3.5As0.5), the compound belongs to a hexagonal system, the space group is P63/mmc, and the unit cell parameters comprise that alpha is 89 to 91, beta is 89 to 91, gamma is 119 to 121 degrees and Z is 2. The metallic phosphorous halogen compound has the advantages that: 1, the metallic phosphorous halogen compound has the large-hole open framework structure, the maximum hole is 0.12 nanometer, and the compound can be used as a good potential porous material; 2, the compound has good thermal stability, and the thermal decomposition temperature of the compound is 278 DEG C; and 3, a synthetic method is simple and convenient to operate, the raw material is sufficient, the production cost is low, and the synthesized compound has high yield, high purity and high repeatability, and meets the requirement of broadened production ...

Battery steel shell and insulating method and battery thereof

The invention relates to a battery steel shell, an insulating method thereof and a battery using the same. The battery steel shell comprises a shell, a shell inner cavity and an upper insulating layer which is formed at the inner wall of the top of the shell and is used for being insulated from the upper part of a battery cell. In the invention, a traditional insulation spacer with equivalent thickness is replaced by the upper insulation layer formed on the inner wall of the top of the battery steel shell to insulate from the battery cell without occupying a battery air chamber and excessive space inside the battery, thereby increasing the space of the air chamber and the inside of the battery and improving the performance and the capacity of the battery. When the battery is short-circuited, the upper insulated layer cannot block an explosion-proof hole and a large amount of gases generated due to the short circuit of the battery are smoothly exhausted through the explosion-proof hole, ...

Sulfureous tellurium zinc compound photoresistor material

The invention discloses a photoresistance material of a selenium, tellurium and zinc compound, which relates to a novel photoresistance material. The chemical formula of the photoresistance material compound is ZnTe1-xSx (x is more than 0 and less than 1). The material is characterized in that the element S partially replaces the element Te and occupies the lattice position of the replaced element Te. The compound is a cubic crystal system; wherein, a space group is F 43m (No. 216), a unit cell parameter is that a is equal to b equal to c equal to 5.1 to 6.4, alpha equal to beta equal to gamma equal to 90 degree, and Z is equal to 4. The preparation of the photoresistance material can adopt the method of solid phase synthesis in vacuum and high temperature, Bridgman method and the method of vacuum thermal evaporation to respectively obtain the compound and single crystal and film materials of the selenium, tellurium and zinc. The band gap of the material can be regulated by the value of ...

Battery and insulating patch used by same

The invention discloses a battery which comprises a housing, a battery cell arranged in the housing, an insulating patch for closing the top end of the housing, an electrode bar partially protruding out of the top end of the housing and a metal cap of the electrode bar, wherein the metal cap covers the outside of the housing and is provided with an exhaust hole, and the insulation strip comprises a metal matrix and an insulation coating coated outside the metal matrix. The invention also discloses the insulating patch for the battery.

Selenium tellurium zinc compound photoresistor material

The invention discloses a photoresistance material of a selenium, tellurium and zinc compound, which relates to a novel photoresistance material. The chemical formula of the photoresistance material compound is ZnTe1-xSex (x is more than 0 and less than 1). The material is characterized in that the element Se partially replaces the element Te and occupies the lattice position of the replaced element Te. The compound is a cubic crystal system; wherein, a space group is F 43m (No. 216), a unit cell parameter is that a is equal to b equal to c equal to 5.4 to 6.4, alpha equal to beta equal to gamma equal to 90 degrees, and Z is equal to 4. The preparation of the photoresistance material can adopt the method of solid phase synthesis in vacuum and high temperature, Bridgman method and the method of vacuum thermal evaporation to respectively obtain the compound and single crystal and thin film materials of the selenium, tellurium and zinc. The band gap of the material can be regulated by the ...

Method for synthesis of 5-nitryl-4, 5-dihydrofuran derivant

The invention discloses a synthetic method of 5-nitryl-4, 5-dihydrofuran derivates, comprising: taking one of Beta-nitrostyrene with a substituent on a benzene ring, Beta-nitrofuran ethylene with a substituent on a furan ring, Beta-nitrothiophene ethylene with a substituent on a thiophene ring, Beta-nitropyrrole ethylene with a substituent on a pyrrol ring and Beta-nitropyridine ethylene with a substituent on a pyridine ring as well as manganic acetyl acetonate (III) as reactants, and anhydrous alcohol as a reaction solvent, and preparing the 5-nitryl-4, 5-dihydrofuran derivates by the reaction at a temperature of between 30 and 70 DEG C. The raw materials used in the method are low-priced and can be obtained easily, and have a plurality of species, and the synthesized products can serve as potential molecules having the biological activity and key intermediates; and the method utilizes ethanol as a reaction medium, so as to reduce the pollution, shorten the reaction time, simplify the ...

Rotary coating method for preparing copper-indium-selenium nanometer thin-film material

A spin-coating method used for producing a nano-sized material of copper, indium and selenium relates to a technological process in producing nano-sized material of copper, indium and selenium which chooses N, N-dimethyl formamide (DMF) as dispersion solvent with an optimum parameter of concentration of floating liquid 0.6 mmol/L, and has a spin-coating rotation speed and time of 500rpm/9 s in a low stage while in a high stage the spin-coating rotation speed and time is 5000rpm/30s, and has an annealing temperature and time of 100 DEG C per 2 hours, being characterized in that the spin-coating method does not need high temperature and high vacuum, and has a low requirement to the instruments, and has a low film-producing cost which is beneficial for realizing application production of large scale.

Process formula of intermediate-temperate acid nanometer chemical composite plating Ni-P-Al2O3

The invention relates to a process formula of intermediate-temperate acid nanometer chemical composite plating Ni-P-Al2O3. The process formula consists of (1) basic plating solution formula and (2) addition formula of periodic experiments. The formula has the advantages of high plating speed, capability of comparing favorably with a high-temperature plating solution system, high plating solution stability of more than 1,000 seconds (tested by palladium chloride), plating solution service life of more than eight periods, stability constant of over 96 percent, good comprehensive plating performance, plating corrosion resistance of over 120 seconds and hardness of over 720 HV.

Imitating glazed porcelain decoration plate

A kind of an imitation of galze surface used for decorative board is made of amino plastics. It features pound resistance, abrasion resistant, acid/base resistance, not easy fire, low cost, convenient to adhere on wall. It needs not to scrape wall surface for adhesion with various bonding agent. Equipment for producing this decorative board is simple, has high economic benefits.

Method for synthesis of organo-phosphines acid ester derivant

The invention discloses a method for synthesizing phosphonate ester derivates, comprising: taking one of phosphorous acid esters and one of styrene derivates as reactants, trivalent manganese acetate as a radical initiator, and acetic acid as a solvent, and preparing the phosphonate ester derivates through the reaction at a temperature of between 70 and 90 DEG C; the method improves the selectivity of addition reaction and increases the yield; and has the advantages of simple operation and mild reaction conditions additionally; meanwhile, substrates of the reactants are various, resulting in the diversity of novel structures of phosphonate ester derivates.

Method for making anti-electromagnetic wave radiation shielding fabric

The method for making shielding fabric resisting electromagnetic wave radiation includes the steps of coarsing, sensitizing and activating, strengthening, first chemical plating, secondary chemical plating, coating organic layer and drying, and is characterized by that in the sensitizing and activating stage the stannous chloride and silver nitrate solution concentration can be raised, in the strengthening stage the concentration of formaldehyde can be increased, and when the first chemical copper-plating process is implemented, the concentration of cupric sulfate, potassium-sodium tartrate and elhylene diamine tetraacetic acid can be raised, so that it can effectively raise productino speed and product performance. Said fabric also possesses the good performance in wear, permeability andwashing property.

Method for synthesizing indenone-2-diphenyl sulfide derivatives

The invention belongs to the field of organic synthesis, and relates to a preparation method of indenone, particularly a method for synthesizing indenone-2-diphenyl sulfide derivatives. The method comprises the following steps: using 1,3-disubstituted allylene ketone and thiophenol as the reactants, dissolving the reactants in a solvent at 20-120 DEG C, and reacting under the action of manganese acetate to prepare the indenone-2-diphenyl sulfide derivatives, wherein the mol ratio of 1,3-disubstituted allylene ketone to thiophenol is less than or equal to 1:2, and the mol ratio of 1,3-disubstituted allylene ketone to manganese acetate is less than or equal to 1:2. The invention uses the cheap, accessible and recyclable manganese acetate to replace noble metal, thereby reducing the cost; and the 1,3-disubstituted allylene ketone and thiophenol can smoothly react to produce the indenone-2-diphenyl sulfide derivatives. In addition, the substrates for 1,3-disubstituted allylene ketone and thiophenol ...

Second order nonlinear optical testing system

The invention relates to a second-order nonlinear optical test system, in particular to the development of the optical test system. The test system is mainly characterized in that: the system enters a spectrometer after frequency multiplication light generated by laser excitation samples and non-frequency multiplication light generated by other photoeffects, the frequency multiplication light is separated from the non-frequency multiplication light by the spectrometer, an array detector is adopted to detect after the spectrometer, thus realizing the recognition to the frequency multiplication light and the non-frequency multiplication light, and further realizing the qualitative and quantitative test to the frequency multiplication effect of materials. The test system has the advantages of high resolution and high sensitivity to the frequency multiplication light of the materials, is beneficial to the test of weak signal second-order nonlinear optical effect, and is simultaneously suitable ...

Method for synthesizing quinoxaline derivant

The invention discloses a method for synthesizing a quinoxaline derivative. The method comprises the following steps of: dissolving 1, 2-dione and aryl 1, 2-diamine in alcohol or water with a mol ratio of between 1 to 1 and 1 to 1.01; adding a catalyst which is a metal salt of trifluoromethane sulphonic acid into the mixed solution; stirring the mixed solution at normal temperature to carry out areaction to produce the quinoxaline derivative; and obtaining a pure product through cooling, filtering, recrystallizing. The method has the advantages of mild reaction condition, and high yield reaching over 90 percent and up to 100 percent; moreover, the catalyst can be reclaimed for about 10 times, and a reaction system has small pollution to environment.

Method for synthesizing indenone-2-phosphonate derivative

The invention discloses a method for preparing indenone-2-phosphonate derivatives. One of 1, 3-disubstituted propiolic ketone and phosphite ester are taken as reactants, are dissolved into a solvent, and react at a temperature of between 20 and 120 DEG C under the action of manganese acetate to obtain the indenone-2-phosphonate derivatives. The method has the advantages that the method has wide range of applicable substrates, simple and convenient operation, mild conditions, and low production cost, and is suitable for mass production.

Formula of chemical nickel-plated brightener

The invention discloses a formula of a chemical nickel-plated brightener. According to the formula, each liter of chemical nickel-plated brightener comprises: 20 to 30g of nickel sulfate, 23 to 32g of sodium hypophosphite, 10 to 20g of sodium acetate, 4 to 10g of malic acid, 6 to 13ml of acetic acid, 6 to 15ml of lactic acid, 3 to 10mg of bismuth sulfate, 1 to 4mg of chelidonamic acid, 1 to 4mg of o-phenanthroline, 1 to 6mg of sodium dodecyl sulfate and 0.5 to 2.5mg of copper sulfate, wherein the PH value of the formula is 4.5 to 5.0. The formula of the chemical nickel-plated brightener has the advantages that: when the brightener is used, a plating can achieve the effect of full brightness, light-emitting speed is high, light generally emits after about 5 minutes and a mirror face effect can be achieved after 10 minutes; and the used amount of the brightener is small, plating liquid is stable, the bonding force of the plating is large, the corrosion resistance of the plating is high, and ...

Metallic copper chelidamic acid coordination polymer and preparation method thereof

The invention discloses a metallic copper chelidamic acid coordination polymer and a preparation method thereof. The metallic copper chelidamic acid coordination polymer is characterized in that the chemical formula is [Cu3(C7H2NO5)2]n.3nH2O, the polymer belongs to an orthorhombic crystal system, the space group is Pnna, and the unit cell parameters comprise that alpha is 89 to 91, beta is 89 to 91, gamma is 89 to 91 and Z is 4. The metallic copper chelidamic acid coordination polymer has the advantages that: 1, the polymer has good three-order nonlinear optical property, and the three-order refraction index and the three-order polarization rate are 3.60*10<-9>esu and 0.99*10<-10>esu respectively; 2, the polymer has good fluorescent characteristics, greater fluorescence intensity and wider peak ratio; 3, different from low thermal decomposition temperature of most coordination compounds, the synthesized compound has good thermal stability, and the thermal decomposition temperature of the ...

Middle-temperature acidic electroless nickel plating-phosphor alloy formula

The invention provides a formulation of medium-temperature acidic electroless nickel-phosphorus alloy, which is characterized in that the formulation is as follows: 25 to 30 grams of nickel sulfate per liter, 25 to 35 grams of sodium hypophosphite per liter, 12 to 18 grams of sodium acetate per liter, 0.5-1.3 milligrams of thiourea per liter, 7 to 13 milliliters of lactic acid per liter, 7 to 13 milliliters of acetic acid per liter, 4-10 grams of organic acid per liter, 5-16 milligrams of potassium iodide or potassium iodate per liter, and the loadage is between 0.5 and 1.5 dm<2>/L. The invention has the advantages that: the formulation improves the stability of a plating solution, obviously improves plating rate, has good corrosion resistance and the comprehensive properties of plating; the stability of the plating solution can reach over 1800 s; the stability of periodic experiments is more than ten periods; the corrosion resistance of the plating reaches over 130 s; and the hardness ...

Rare earth lanthanum chelidonamic acid complex and preparation method thereof

The present invention relates to a rare earth lanthanum chelidonamic acid complex which is characterized in that the chemical formula of the composition is [La(C7H2NO5).4H2O]n; the composition belongs to the monoclinic system; the space group is P2(1)/n (No.14), parameters of unit cells are alpha = 9.4-10.4, beta = 7.0-8.0, gamma = 15.0-16.0 alpha=89-91, beta=100-110, gamma=89-91 degrees, Z = 4. The invention has advantages as follows: 1. good fluorescent characteristic, larger fluorescence intensity and wide peak ratio; 2. different from low thermo-decomposing temperature of most of compositions, the compounded composition has good thermostability and the thermo-decomposing temperature thereof is 180 DEG C; 3. the compound method is simple and easily operated, has sufficient raw material source and low cost of production; the compound has higher synthetic yield, high purity and good repeatability and is suitable for the expanded production requirement.

Method for synthesizing quinoxaline derivant

The invention discloses a method for synthesizing a quinoxaline derivative. The method comprises the following steps of: dissolving 1, 2-dione and aryl 1, 2-diamine in alcohol or water with a mol ratio of between 1 to 1 and 1 to 1.01; adding a catalyst which is a metal salt of trifluoromethane sulphonic acid into the mixed solution; stirring the mixed solution at normal temperature to carry out a reaction to produce the quinoxaline derivative; and obtaining a pure product through cooling, filtering, recrystallizing. The method has the advantages of mild reaction condition, and high yield reaching over 90 percent and up to 100 percent; moreover, the catalyst can be reclaimed for about 10 times, and a reaction system has small pollution to environment.

Semiconductor run-to-run control system with state and model parameter estimation

Surface metallization process for ceramic

Novel inorganic compound photochromic material, as well as preparation and use thereof

The invention discloses a novel inorganic compound photochromism material, a method for preparing the same and application thereof, and in particular relates to a photochromism material, a method for preparing the same and application thereof. The compound of the photochromism material has a chemical formula of Hg2AsCl2 which is a monoclinic system, the space group is C2/m(No.12), and the unicellular parameters comprise that: a is equal to between 13.6 and 14.3, b is equal to between 7.9 and 8.5, c is equal to between 8.5 and 9.3, alpha is equal to gamma which is equal to 90 degrees, beta is equal to between 94 and 101, and Z is equal to 8. After discoloration, the structure of the photochromism material is the monoclinic system, the space group is C2/m(No.12), and the unicellular parameters comprise that: a is equal to between 7.4 and 8.1, b is equal to between 7.9 and 8.5, c is equal to between 8.5 and 9.3, beta is equal to between 113 and 120, and Z is equal to 4. A compound, a monocrystal ...

Synthesis method of 2-nitro-3-aryl-2,3,5,7-tetrahydrobenzofuran-4-one derivative

The invention discloses a synthesis method of 2-nitro-3-aryl-2,3,5,7-tetrahydrobenzofuran-4-one derivatives, comprising the following steps: adopting one of beta-nitrostyrolene, beta-nitrofurylethylene, beta-nitrothienylethylene, beta-nitropyrrylethylene or beta-nitropyridylethylene or one of derivative thereof and 1,3-macrocyclicdiketone as reactants to react at 30-70 DEG C and preparing the 2-nitro-3-aryl-2,3,5,7-tetrahydrobenzofuran-4-one derivative. In the method of the invention, the raw materials are cheap, accessible and various, the synthesized products have various types and the products can be used as potential molecules with biological activity and important key intermediates; the invention adopts ethanol as reaction medium so as to reduce the pollution, shorten the reaction time, simplify the reaction process and the post-treatment process and reduce the production cost. The method of the invention has the advantages that the regioselectivity and the stereoselectivity are good ...

Method for preparing rare earth chalcogen compound

The invention provides a preparation method for rare earth chalcogenide, which relates to the synthesis of the rare earth chalcogenide. The preparation method takes simple substance of chalcogen element and rare earth oxide as raw material which reacts under the condition of vacuum and high temperature to obtain the rare earth chalcogenide. The method is characterized in that boron which is slightly excessive of the chemical reaction amount is added into a reaction system of the rare earth chalcogenide. The method has the advantages of not involving the use of toxic gas and organic solvents and lower cost, etc.

Metallic copper chelidonamic acid complex and method for preparing the same

The invention relates to a metallic copper chelidamic acid complex and a preparation method thereof. The invention is characterized in that the technical method comprises the steps as follows: basic copper carbonate and chelidamic acid are mixed in the mol proportion of 3 to 4 and then are put into a high pressure vessel which has the volume of 25ml and contains 10ml of distilled water; then the mixture is sintered under constant temperature for four days in 413K; finally, green columnar crystalloid is obtained when the temperature is lowered to the room temperature; and the yield of a targetcompound is 87 percent approximately. The invention has the advantages that: 1. the metallic copper chelidamic acid complex has good fluorescent characteristic, large fluorescence intensity, wide peak and low-temperature sequential antiferromagnetism; 2. the metallic copper chelidamic acid complex is different from most complexes in low pyrolysis temperatures, and the synthesized compound has good thermal ...

Cooperative intrusion detection based large-scale network security defense system

This invention discloses a large scale network safety protection system based on cooperative intrusion detection, in which, a parallel fire wall system is formed by applying an advanced parallel technology and a model based on trust to protect against DDOS attack effectively, the parallel IDS sub-system applies a technology combing parallel technology and the state detection technology. The flow detection subsystem has high identifying ability to un-rule data based on the artificial nerve network model to detect the known attack and discover new attack behavior. The subsystems of the parallel fire wall, IDS, flow detection and co-related analysis and alarm are independent and complete to each other in function to exchange detection information and transfer detection and protection rules by an information driven system. The control station manages the subsystems.

Dissimilar metal chelidamic acid coordination polymer of silver and copper and preparation method thereof

The invention discloses a dissimilar metal chelidamic acid coordination polymer of silver and copper and a preparation method thereof. The dissimilar metal chelidamic acid coordination polymer is characterized in that the chemical formula is [CuAg2(C7H3NO5)2]n, the coordination polymer belongs to a monoclinic system, the space group is C 2/c, and the unit cell parameters comprise that alpha is 89 to 91, beta is 94 to 110, gamma is 89 to 91 degrees and Z is 4. The dissimilar metal chelidamic acid coordination polymer has the advantages that: 1, the coordination polymer has good three-order nonlinear optical characteristics, and the three-order refraction index and the three-order polarizability of the coordination polymer are 4.10*10<9> esu, and 1.05*10<10> esu respectively; 2, the coordination polymer has good fluorescent characteristic, high fluorescent strength and wide peak ratio; 3, different from the thermal decomposition temperature of most coordination compounds, the synthesized ...

Compound application technology for nano-biological fertilizer and soil conditioner

The present invention relates to the combination of biologic soil repairing technique with nano-class biological fertilizer, which can make soil dynamically be balanced, promote growth of microbes, improve soil, and remove the residual herbicide.

Activating compost as soil improver

The invention affords a kind of improving agent for active soil, it is mainly made up of compound aminophenol clusters, manifold microelements, activating enzymes and water, the invention can make soil reach a kind of homeostasis, advances microbes to grow, changes the grainly structure of soil, increases air and water, thus it increases the output of planted tree or crop and enhances their quality.

Methods and systems for applying run-to-run control and virtual metrology to reduce equipment recovery time

Described herein are methods, apparatuses, and systems for reducing equipment repair time. In one embodiment, a computer implemented method includes collecting, with a system, data including test substrate data or other metrology data and fault detection data for maintenance recovery of at least one manufacturing tool in a manufacturing facility and determining, with the system, a relationship between tool parameter settings for the at least one manufacturing tool and at least some collected data including the test substrate data. The method further includes utilizing zero or more virtual metrology predictive algorithms and at least some collected data to obtain a metrology prediction and applying multivariate run-to-run (R2R) control modeling to obtain a state estimation including a current operating region of the at least one manufacturing tool based on the test substrate data and obtain at least one tool parameter adjustment for at least one target parameter for the at least one manufacturing tool. Applying multivariate run-to-run (R2R) control modeling to obtain tool parameter adjustments for at least one manufacturing tool occurs after maintenance to reduce maintenance recovery time and to reduce requalification time.

TRIFLUOROMETHYL ALKENYLPHOSPHONATE AND PREPARATION METHOD THEREFOR

Disclosed are a trifluoromethyl alkenylphosphonate derivative and preparation method therefor. The preparation method comprises the following steps: dissolving an acetylene derivative, an iodine compound, and a phosphorus reagent in a solvent for reaction at the temperature from the room temperature to 100° C. to obtain the trifluoromethyl alkenylphosphonate derivative. In the present invention, the acetylene derivative is used as a starting material, and the raw materials are easily available and diversified; products obtained by using the method of the present invention have various types and can be directly used and also used for other further reactions; moreover, the method disclosed in the present invention has the advantages of short steps, mild reaction conditions, simple reaction operation and post-treatment processes, and high yield, and is suitable for large-scale production. 2. The method according to claim 1 , wherein the solvent is the group consisting of acetone claim 1 , ethyl acetate claim 1 , toluene claim 1 , and N claim 1 , N-dimethylformamide.3. The method according to claim 1 , wherein the acetylene derivative is selected from the group consisting of phenylacetylene claim 1 , 4-methylphenylacetylene claim 1 , 4-methoxyphenyl-acetylene claim 1 , 4-fluorophenylacetylene claim 1 , 4-chlorophenyl-acetylene claim 1 , 4-bromophenylacetylene claim 1 , 4-nitrophenylacetylene claim 1 , 4-methoxycarbonylphenylacetylene claim 1 , 4-cyanophenylacetylene claim 1 , 1-trifluoromethyl-2-cyanoacetylene claim 1 , 2-ethynylthiophene claim 1 , 2-bromophenyl-acetylene claim 1 , and 3-fluorophenyl-acetylene; the phosphorus reagent is selected from the group consisting of trimethyl phosphite claim 1 , triethyl phosphite claim 1 , and tri-n-butyl phosphate.4. The method according to claim 1 , further comprising: tracking reaction to completion by a thin layer chromatography.5. The method according to claim 1 , wherein a molar ratio of the acetylene derivative:the ...

REDUCING PILOT RUNS OF RUN-TO-RUN CONTROL IN A MANUFACTURING FACILITY

A system and method for reducing pilot runs of run-to-run control in a manufacturing facility calculates an unbiased estimation of an independent model intercept based on a state space model associated with the manufacturing facility. A determination is made as to whether to perform a pilot run in the manufacturing facility. Upon determining that the run is to be performed, an indication that the pilot run is to be performed is generated. Pilot run data is received in response to the pilot run being performed, and the state space model is updated based on the received data. 1. A method comprising:calculating, using a processing device, an unbiased estimation of a plurality of independent model intercepts based on a state space model associated with a manufacturing facility;determining whether to perform a pilot run in the manufacturing facility;upon determining that the pilot run is to be performed, generating an indication that the pilot run is to be performed;receiving pilot run data in response to the pilot run being performed; andupdating the state space model based on the received pilot run data.2. The method of claim 1 , wherein calculating the unbiased estimation of the independent model intercepts comprises:determining a number of the plurality of independent model intercepts based on a number of contexts and a number of context values, wherein each of the plurality of independent model intercepts is a summation of context offsets;determining a plurality of model intercepts based on a process model, wherein each of the plurality of model intercepts is stored in a memory as a linear combination of the plurality of independent model intercepts; andgenerating the state space model based on the linear combinations of independent model intercepts and the context values.3. The method of claim 1 , wherein equipment maintenance was performed after the unbiased estimate of the plurality of independent model intercepts was calculated and before the pilot run was ...

METHODS AND SYSTEMS FOR APPLYING RUN-TO-RUN CONTROL AND VIRTUAL METROLOGY TO REDUCE EQUIPMENT RECOVERY TIME

Described herein are methods, apparatuses, and systems for reducing equipment repair time. In one embodiment, a computer implemented method includes collecting, with a system, data including test substrate data or other metrology data and fault detection data for maintenance recovery of at least one manufacturing tool in a manufacturing facility and determining, with the system, a relationship between tool parameter settings for the at least one manufacturing tool and at least some collected data including the test substrate data. The method further includes utilizing zero or more virtual metrology predictive algorithms and at least some collected data to obtain a metrology prediction and applying multivariate run-to-run (R2R) control modeling to obtain a state estimation including a current operating region of the at least one manufacturing tool based on the test substrate data and obtain at least one tool parameter adjustment for at least one target parameter for the at least one manufacturing tool. Applying multivariate run-to-run (R2R) control modeling to obtain tool parameter adjustments for at least one manufacturing tool occurs after maintenance to reduce maintenance recovery time and to reduce requalification time. 1. A computer implemented method comprising:collecting, with a system, data including test substrate data or other metrology data and fault detection data for maintenance recovery of at least one manufacturing tool in a manufacturing facility;determining, with the system, a relationship between tool parameter settings for the at least one manufacturing tool and at least some collected data including the test substrate data;utilizing zero or more virtual metrology predictive algorithms and at least some collected data to obtain a metrology prediction; andapplying multivariate run-to-run (R2R) control modeling to obtain a state estimation including a current operating region of the at least one manufacturing tool based on the test substrate data and ...

Methods and systems for applying run-to-run control and virtual metrology to reduce equipment recovery time

Described herein are methods, apparatuses, and systems for reducing equipment repair time. In one embodiment, a computer implemented method includes collecting, with a system, data including test substrate data or other metrology data and fault detection data for maintenance recovery of at least one manufacturing tool in a manufacturing facility and determining, with the system, a relationship between tool parameter settings for the at least one manufacturing tool and at least some collected data including the test substrate data. The method further includes utilizing zero or more virtual metrology predictive algorithms and at least some collected data to obtain a metrology prediction and applying multivariate run-to-run (R2R) control modeling to obtain a state estimation including a current operating region of the at least one manufacturing tool based on the test substrate data and obtain at least one tool parameter adjustment for at least one target parameter for the at least one manufacturing tool. Applying multivariate run-to-run (R2R) control modeling to obtain tool parameter adjustments for at least one manufacturing tool occurs after maintenance to reduce maintenance recovery time and to reduce requalification time.

Method and system for estimating context offsets for run-to-run control in a semiconductor fabrication facility

A method and system for estimating context offsets for run-to-run control in a semiconductor fabrication facility is described. In one embodiment, contexts associated with a process are identified. The process has one or more threads, and each thread involves one or more contexts. A set of input-output equations describing the process is defined. Each input-output equation corresponds to a thread and includes a thread offset expressed as a summation of individual context offsets. A state-space model is created that describes an evolution of the process using the set of input-output equations. The state-space model allows to estimate individual context offsets.

Trifluoromethyl alkenylphosphonate and preparation method therefor

Disclosed are a trifluoromethyl alkenylphosphonate derivative and preparation method therefor. The preparation method comprises the following steps: dissolving an acetylene derivative, an iodine compound, and a phosphorus reagent in a solvent for reaction at the temperature from the room temperature to 100° C. to obtain the trifluoromethyl alkenylphosphonate derivative. In the present invention, the acetylene derivative is used as a starting material, and the raw materials are easily available and diversified; products obtained by using the method of the present invention have various types and can be directly used and also used for other further reactions; moreover, the method disclosed in the present invention has the advantages of short steps, mild reaction conditions, simple reaction operation and post-treatment processes, and high yield, and is suitable for large-scale production.

Beta-amino phosphonic acid derivative and preparation method therefor

A method for preparing a β-amino phosphonic acid derivative includes: dissolving N-(arylvinyl)benzamide, dialkyl phosphite, manganese acetate, and potassium carbonate in a solvent and reacting at room temperature to obtain (2-benzamido-1-arylvinyl)dialkyl-phosphonate derivative; and hydrolyzing (2-benzamido-1-arylethyl)dialkylphosphonate derivative to obtain β-amino phosphonic acid derivative. The N-(arylvinyl)benzamide derivative is used as starting material. The raw materials are easy to obtain and are of many different types. A method of preparing β-aminophosphonic acid derivative includes: dissolving N-(arylvinyl)benzamide, dialkyl phosphite, manganese acetate and potassium carbonate in a solvent, reacting at room temperature to obtain (2-benzamide-1-arylvinyl) dialkyl phosphonate derivative, and then reducing and hydrolyzing the compound to obtain β-aminophosphonic acid derivative. The method of the invention has the advantages of short synthesis route, mild reaction conditions, simple reaction operation and post-treatment process, good yield, and is suitable for large-scale production.

Beta-phosphonyl-enamine derivative and preparation method therefor

The present invention discloses the preparation method of β-phosphonyl-enamine derivative. The preparation method comprising the following steps: dissolving the enamine derivative, organic phosphine compound, manganese acetate and potassium carbonate in the solvent, reacting at room temperature to obtain the β-phosphonyl-enamine derivative. The enamine derivative was as the starting material, and the raw materials are easy to obtain and a great many varieties. The various forms of the products obtained therein can be directly applied and can be used in further reactions. The reaction conditions are mild, the reaction speed is high, the reaction operation and the post-treatment process are simple, the production is convenient, and the method is suitable for large-scale production.

Beta-amino phosphonic acid derivative and preparation method therefor

A method for preparing a β-amino phosphonic acid derivative includes: dissolving N-(arylvinyl)benzamide, dialkyl phosphite, manganese acetate, and potassium carbonate in a solvent and reacting at room temperature to obtain (2-benzamido-1-arylvinyl)dialkyl-phosphonate derivative; and hydrolyzing (2-benzamido-1-arylethyl) dialkylphosphonate derivative to obtain β-amino phosphonic acid derivative. The N-(arylvinyl) benzamide derivative is used as starting material. The raw materials are easy to obtain and are of many different types. A method of preparing β-aminophosphonic acid derivative includes: dissolving N-(arylvinyl)benzamide, dialkyl phosphite, manganese acetate and potassium carbonate in a solvent, reacting at room temperature to obtain (2-benzamide-1-arylvinyl) dialkyl phosphonate derivative, and then reducing and hydrolyzing the compound to obtain β-aminophosphonic acid derivative. The method of the invention has the advantages of short synthesis route, mild reaction conditions, simple reaction operation and post-treatment process, good yield, and is suitable for large-scale production.

Reducing pilot runs of run-to-run control in a manufacturing facility

A system and method for reducing pilot runs of run-to-run control in a manufacturing facility calculates an unbiased estimation of an independent model intercept based on a state space model associated with the manufacturing facility. A determination is made as to whether to perform a pilot run in the manufacturing facility. Upon determining that the run is to be performed, an indication that the pilot run is to be performed is generated. Pilot run data is received in response to the pilot run being performed, and the state space model is updated based on the received data.