65 results about "Alpha-terpineol" patented technology

The invention provides a method for regulating and controlling aroma of grape fruits through an exogenous plant growth regulator, which comprises the following steps of: spraying three exogenous plant hormones, namely methyl jasmonate, phenylalanine and strigolactones, on 'Hanxiangmi' grape fruits with strong rose aroma, and analyzing the aroma composition and content of the treated grape fruits. The result shows that the rose fragrance intensity of the'Hanxiangmi 'grapes is enhanced after the jasmonic acid methyl ester treatment; after strigolactones treatment, components such as alpha-terpilenol, beta-ionone, nonanoic acid, geraniol and the like in grape fruits are prominent, so that the treated grapes are converted into mixed fragrance type grapes with flower fragrance, fruit fragrance and grass fragrance, and the fragrance layers are rich; and the treatment effect of phenylalanine is not obvious. The invention provides a reference for the research of strigolactone in fruit quality.

The application discloses a preparation method of a low-TCR low-cost ceramic heating tube, and comprises the following steps: (1) preparing an organic carrier: 60 parts by weight of terpineol, 20 parts by weight of ethyl cellulose, 10 parts by weight of a binder and 10 parts by weight of diethylene glycol acetate are placed into a magnetic stirrer and uniformly dissolved and mixed; (2) weighing metal powder: Mo: 50-70 parts by weight; Re: 20-30 parts by weight; Mn: 0-5 parts by weight; Cr: 10-15 parts by weight; by adopting Mo, Re, Mn and Cr in a specific ratio as the metal powder, the traditional mode of adopting metal ruthenium powder or a mixture of metal ruthenium powder and other common metal powder is replaced, the prices of Mo, Re, Mn and Cr are low, so that the preparation cost of the ceramic heating tube is effectively reduced, the purpose of low TCR is achieved, and the scale production is facilitated; meanwhile, the ceramic heating tube prepared by adopting the application has higher overall bending strength, and can better meet the use requirement.

The invention relates to the technical field of non-ferrous metal beneficiation, in particular to a flotation reagent composition for recycling micro-fine particle copper sulfide from copper oxide acid leaching residues and a beneficiation method of the flotation reagent composition. The flotation reagent composition for recovering copper sulfide from copper oxide acid leaching residues is characterized by comprising a collecting agent, a hydrophobic agglomeration agent and a foaming agent, and the collecting agent is ethyl thioacetate; the hydrophobic agglomeration agent is prepared from octadecyl triethoxy silane and kerosene; and the foaming agent is selected from terpilenol, methyl isobutyl carbinol or sec-octanol. The ethyl thioacetate serving as a collecting agent is stable in chemical property in an acid environment, weak in gangue mineral collecting capacity and good in selectivity in the copper sulfide mineral flotation process, and therefore the grade and the recovery rate of obtained copper sulfide concentrate are higher.

The invention discloses a novel organic carrier for photovoltaic silver paste, the novel organic carrier comprises a solid substance and a solvent, the solid substance accounts for 10-40% of the total mass of the organic carrier, the solvent accounts for 60-90% of the organic carrier, the solid substance comprises polymethyl ethylene carbonate and ethyl cellulose, and the solvent accounts for 10-30% of the total mass of the organic carrier. The solvent comprises one or more of terpilenol, butyl carbitol and ethylene glycol butyl ether acetate. Compared with the prior art, the organic carrier can achieve high fine line resolution and good printing screen passing performance, after high-temperature rapid sintering, the residual carbon content is extremely low and is in the ppm level, and great benefits are brought to the performance of the photovoltaic silver paste.

1. The name of the design product: packaging box (4-terpineol eye pad). 2. The use of the design product: packaging box for packaging eye pad. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.

The application discloses a hole transport layer precursor solution, a battery component and a preparation method thereof, a perovskite solar cell and an electric device, and belongs to the technical field of solar cells. The hole transport layer precursor solution comprises a self-assembled monolayer material and a composite solvent; the composite solvent comprises a phosphate ester solvent, an alcohol ether solvent, an alcohol solvent and a terpineol; the boiling point of the phosphate ester solvent is 190 DEG C-240 DEG C; the boiling point of the alcohol ether solvent is 210 DEG C-250 DEG C; and the boiling point of the alcohol solvent is 70 DEG C-90 DEG C. The hole transport layer precursor solution has improved stability and storability, improves the flexibility of a production process of a perovskite component prepared by the hole transport layer precursor solution, improves the batch stability and efficiency of the perovskite component, and meets the demand of large-area processing.

The present invention relates to the use of citrus volatiles to repel the Pardosa pseudoannulata, and belongs to the technical field of spider repellents. The present invention provides the use of citrus volatiles to repel the Pardosa pseudoannulata. Based on this use, the present invention also provides the use of citrus volatiles to prepare a Pardosa pseudoannulata repellent, the use of the citrus volatile α-terpineol to repel the Pardosa pseudoannulata, and the use of the citrus volatile α-terpineol to prepare a Pardosa pseudoannulata repellent. The present invention utilizes α-terpineol, which has a repellent effect on the Pardosa pseudoannulata, to develop a spider repellent, which has great development potential and is of great significance.

The application relates to the technical field of ammonia gas sensors, and discloses a preparation method of a laser-induced graphene-based ammonia gas sensor, which adopts the following technical scheme: a preparation method of a laser-induced graphene-based ammonia gas sensor, comprising the following steps: S1, laser direct writing is performed on the surface of a polyimide film through a laser engraving device to form a set of interdigital electrode patterns on the surface of the polyimide film; S2, a gas-sensitive material is prepared, the gas-sensitive material is mixed and ground with terpineol and glass beads, and then the mixed gas-sensitive material is coated on the treated polyimide film; and S3, the polyimide film obtained in the step S2 is aged at 60-70 DEG C to obtain a flexible ammonia gas sensor. The flexible substrate with interdigital electrodes can be prepared in a low-cost manner.

Provided are compositions comprising terpene mixtures consisting of 1000-4500 ppm myrcene, 1000-4000 ppm terpineol, 1000-5500 ppm caryophyllene and 1000-45000 ppm nerolidol; 1000-4500 ppm alpha-pinene, 1000-4000 ppm sabinene, 1000-4000 ppm limonene, 500-4000 ppm borneol and 1000-4500 ppm caryophyllene; 1000-4500 ppm alpha-pinene, 1000-4000 ppm linalool, 1000-4000 ppm terpineol, 1000-4000 ppm borneol, 1000-4500 ppm caryophyllene and 1000-4000 ppm nerolidol; 1000-4000 ppm myrcene, 500-5000 ppm linalool, 1000-4500 ppm caryophyllene and 500-4500 ppm nerolidol; or 1000-5500 ppm alpha-pinene, 1000-4000 ppm limonene, 500-4000 ppm linalool and 1000-4500 ppm caryophyllene, and uses in therapy.

This invention provides an aqueous dewaxing reagent comprising the following components by weight percentage: 0.3-6% surfactant and 0.5-3% composite penetration enhancer, with the balance being water. The composite penetration enhancer is composed of limonene and terpineol, wherein the mass of terpineol is not less than 10% of the total mass of the composite penetration enhancer. The preparation method involves mixing the surfactant, composite penetration enhancer, and water. This invention utilizes a composite penetration enhancer composed of limonene and terpineol, which significantly improves dewaxing speed, reduces temperature dependence, widens the operating temperature window, reduces tissue damage, provides better protection against antigens, and is beneficial for IHC staining.

This invention discloses a low-temperature resistant composite flotation reagent for coal preparation and its preparation method, specifically relating to the field of flotation technology. The reagent is formed by emulsification of a composite collector, a composite frother, and an aqueous phase. The composite collector contains kerosene, n-dodecane, oleic acid, dimer acid, surfactant components, and low-temperature stabilizing components. The composite frother contains terpineol, pine oil, sec-octanol, and sodium α-olefin sulfonate, etc. Through compounding and synergistic effects, high-speed shear emulsification, and high-pressure homogenization, the obtained reagent exhibits good dispersibility and stability at -5 to 15°C, and can improve the flotation efficiency, clean coal yield, and combustible gas recovery rate of fine coal slime and high-ash, difficult-to-separate coal slime without heating the coal slurry.

A reaction device for preparing terpineol from limonene and a synthesis method thereof are provided. The reaction device is provided with an evaporator, a reactor, a condenser, a catalyst basket, a steam riser and a siphon. The evaporator is provided with a raw material inlet and a discharge outlet. The upper portion of the evaporator is connected with the upper portion of the reactor through the steam riser. The condenser is arranged at the top of the reactor. The catalyst basket is arranged in the reactor. The siphon is connected with the reactor and the evaporator respectively. The evaporator is heated. The raw material, water and solvent are evaporated through the steam riser and condensed in the condenser. The condensed liquid is reacted with the catalyst. When the liquid level in the reactor is higher than the height of the siphon, the liquid in the reactor is returned to the evaporator by the pressure difference. The raw material, water and solvent in the evaporator are continuously evaporated and reacted. The process is repeated. After the reaction is completed, the heating is stopped, the discharge outlet is opened, the discharged material is separated by rectification, and terpineol is obtained. The reaction synthesis of terpineol from limonene is easy for subsequent rectification and separation, the reaction time is short, and the process is simple.

The invention relates to bacillus velezensis JT-14 with high yield of terpene flavor components as well as a screening method and application of the bacillus velezensis JT-14, and belongs to the technical field of microorganisms and fermentation. The preservation time of the bacillus velezensis JT-14 with high yield of terpene flavor components is June 26, 2025, the preservation unit is Guangdong Microbial Culture Collection Center, and the preservation number is GDMCC 66597. The bacillus velezensis JT-14 screened by the invention has good safety, and can generate monoterpenoid substances (alpha-terpilenol, linalool, citronellol, carveol and the like) with flower fragrance, elecampane and faint scent and sesquiterpenoid substances (alpha-panaxene, cubene, elemol and gamma-apigene) with herbal fragrance in a substrate fermentation experiment. When the bacillus velezensis JT-14 is applied to tobacco leaf fermentation, the aroma of the aroma raw material obtained through fermentation can be integrally improved, and the aroma is softer.

The invention discloses ohmic contact modified thick-film copper paste adaptive to spinel ceramics and a preparation method of the ohmic contact modified thick-film copper paste. The ohmic contact modified thick-film copper paste comprises 80-85 wt% of high-purity copper powder, 0.5-1 wt% of an interface modifier, 4-7 wt% of a bonding aid, 0.3-0.8 wt% of a grain refiner, 0.2-0.5 wt% of an antioxidant aid and 12-15 wt% of a carrier. The preparation method comprises the following steps: drying in a high-temperature vacuum environment; weighing all the materials except the carrier, adding 4wt% of terpilenol, and stirring and mixing to obtain mixed powder; adding the terpilenol and the ethyl cellulose in the remaining proportion into the mixed powder, stirring and dispersing, and grinding for three times; after grinding is completed, terpilenol is added, and the viscosity of the copper paste is adjusted; the copper slurry is filtered, and large-particle impurities and aggregates are removed; and defoaming the copper paste to obtain the modified thick-film copper paste. The method has the advantages that the interface modifier provides excellent ohmic contact performance; the sintered copper paste is high in density, low in porosity, stable in sheet resistance and large in through-flow density, and is obviously superior to the traditional copper paste; the grain refiner avoids structural failure, and the long-term working reliability is improved; sn powder and copper form an alloy, so that the service life is prolonged.

This application discloses a method for preparing dihydroterpineol, relating to the field of terpene fragrance synthesis technology. The method comprises the following steps: Step 1, material preparation: α-terpineol, solvent, catalyst, hydrogen, and co-catalyst are prepared for use; Step 2, pretreatment: 90-100 parts of α-terpineol are mixed with 75-80 parts of solvent and stirred once until homogeneous, then 0.08-0.1 parts of co-catalyst are added and mixed again until homogeneous to obtain a stock solution; Step 3, continuous hydrogenation: The stock solution is pumped into a fixed-bed reactor filled with catalyst, while hydrogen is introduced and the temperature is controlled at 80-90℃ for continuous feeding and discharging to obtain a reaction solution; Step 4, distillation purification: The reaction solution is distilled to obtain dihydroterpineol; wherein the catalyst is a Pd-Mn-La / modified HZSM-5 catalyst. This application, by controlling the temperature at 80-90℃ for the preparation of dihydroterpineol, effectively improves product purity and yield, reduces preparation difficulty, and lowers production costs.

The invention discloses a mosquito repelling composition and application thereof. The mosquito repelling composition provided by the invention is prepared from the following components: caryophyllene oxide, eudesmol, linalool, alpha-terpilenol and delta-juniper according to a weight ratio of (1 to 10): (1 to 12): (1 to 10): (1 to 10): (1 to 10). After the caryophyllene oxide, the eudesmol, the linalool, the alpha-terpilenol and the delta-juniper are compounded, the components have a synergistic effect and have remarkable mosquito-repelling activity, the effect is superior to that of independent use or pairwise superposition use of the components, and the mosquito-repelling effect is further improved while the concentration and the dosage of the components are reduced. The composition provided by the invention is remarkable in mosquito repelling effect, safe in component source, sufficient in raw materials, low in toxic and side effects, green, healthy, simple to prepare and easy to industrialize, and a method means is provided for preparing more efficient, green and safe plant source mosquito repelling products.

The present disclosure relates to compositions and related apparatuses that provide effective microbial inhibiting headspace concentrations of allyl isothiocyanate, citral, thymol, linalool, terpineol, eugenol, or a combination of any two or more thereof.

The invention provides ruthenium oxide-based conductive paste, a temperature sensor and a preparation method of the ruthenium oxide-based conductive paste, the paste comprises 10-30 wt% of a conductive phase, the conductive phase adopts ruthenium oxide powder, and the ruthenium oxide powder has a submicron-scale particle size; the glass phase is prepared from BaO, B2O3, SiO2 and Al2O3, and the glass phase is prepared from the following components in percentage by weight; the organic carrier comprises terpilenol, and further comprises at least one of ethyl cellulose, rosin, butanol and polyvinyl alcohol; and 0.5-5 wt% of a modifier, wherein the modifier comprises at least one of manganese dioxide, cerium dioxide and titanium dioxide. Through mutual cooperation of all the components, the slurry has excellent machinability and low-temperature electrical property stability, material component optimization and an MEMS compatible process are considered, the sensitivity, response linearity and working stability of a ruthenium oxide sensor in a deep hypothermia region are improved, and the sensitivity, response linearity and working stability of the ruthenium oxide sensor in a deep hypothermia region are improved. The problems that an existing low-temperature temperature sensor is insufficient in sensitivity, unstable in film layer, high in preparation cost and the like are solved.

The application provides a metal printing paste capable of reducing resistance, which comprises the following components: 50-60 parts by mass of tungsten powder; 7-10 parts by mass of copper powder; 14.3-16 parts by mass of terpineol; and 13.02-15.7 parts by mass of diethylene glycol butyl ether.

The present application relates to a kind of high-efficiency oil sludge separating agent, preparation method and its application in oil sludge cleaning.The high-efficiency oil sludge separating agent includes the following weight parts of component, coconut oil diethanolamide 25-45 parts, sulfonated succinic acid dioctyl ester sodium salt 15-25 parts, sodium dodecyl sulfate 3-10 parts, propylene glycol 1-5 parts, alpha-pinene or limonene 3-10 parts, alpha-terpineol or menthol 3-10 parts, acetyl linaloe 3-8 parts, citral 1-5 parts, water 15-25 parts.The application of the high-efficiency oil sludge separating agent in oil sludge cleaning includes the following steps, S1, oil sludge and agent are loaded into first container;S2, add cleaning water, keep the temperature of mixed solution at 50-70 DEG C, use stirrer to carry out high-speed shearing stirring, stirring speed is above 3000r / min;S3, after stirring, mixed solution is transferred to second container, continue to add cleaning water;S4, continue to stir, stirring speed is above 100r / min.The present application has good oil sludge separation efficiency.

A mixing vessel for a suspension containing pyraclostrobin, fludioxonil, and terpineol includes a support and a shell mounted on the support, a mixing mechanism sealed on the shell, and a discharge mechanism mounted at the bottom of the shell. The mixing mechanism includes a drive assembly sealed on the shell with its drive shaft extending into the shell, two mixing components (a first and a second) evenly distributed and staggered on the drive shaft, and a lifting assembly for driving the first and second mixing components in a mixing mode. This invention, through the coordinated design of the drive assembly, lifting assembly, and the first and second mixing components in the mixing mechanism, achieves the switching between high-speed shear mixing and low-speed mixing modes, effectively improving the mixing effect.

The invention discloses a quantitative detection method for beta-caryophyllene in high-matrix complexity fermentation liquor, and belongs to the field of biological fermentation product analysis. Comprising the following steps: performing low-temperature high-speed centrifugation to remove fermentation broth precipitates, and preparing beta-caryophyllene series standard solutions from blank fermentation broth; diluting the to-be-detected liquid and the standard liquid with ultrapure water, saturating with NaCl, adding alpha-terpilenol-d3 internal standard, carrying out anhydrous ether ice-bath ultrasonic extraction, dehydrating an organic phase, and then carrying out GC-MS (Gas Chromatography-Mass Spectrometer) detection; drawing a plotting curve according to the peak area ratio and the standard solution content ratio, and calculating the content of the to-be-detected solution. The method is anti-interference, accurate and reliable, and is suitable for detecting trace beta-caryophyllene in the fermentation liquor.

The application belongs to the field of conductive paste preparation, and specifically discloses a conductive paste containing ruthenium oxide and a preparation method thereof.The conductive paste contains, in mass percentage, 40-50% ruthenium oxide, 3.8-5% carbon nanotubes, 5-10% PbO-B2O3-SiO2, 3-8% ethyl cellulose, 21-28% terpineol, 9-12% butyl carbitol, 0.7-1% polyacrylammonium, and 1-2% dibutyl phthalate.The preparation method uses vacuum-activated ruthenium oxide, and combines a mixed solvent, ball milling and ultrasonic dispersion synergistic process after dispersion, so that the paste is uniformly dispersed and has excellent stability.The application constructs a ternary synergistic system of ruthenium oxide-carbon nanotube-glass frit, and uses terpineol and butyl carbitol in a specific mass ratio as a mixed solvent, effectively solving the problems of insufficient conductivity and easy agglomeration of traditional paste, and can be widely applied to high-precision electronic device manufacturing.

The application relates to an electrode paste for an electrochemical hydrogen fluoride sensor and a preparation method and application thereof. The electrode paste is composed of inorganic oxide powder with a mass ratio of 50-70%, conductive graphite powder with a mass ratio of 15-25%, organic additives with a mass ratio of 5-8% and a residual amount of terpineol solvent; wherein the inorganic oxide is prepared by burning a mixture of zinc acetate, ferrous acetate and a mixture of tartaric acid and anhydrous ethanol. The preparation method is as follows: the components are mixed, terpineol is used as a solvent, a ball mill is used for grinding at a rotating speed of 200-300 rpm for 2-3 hours, and the electrode paste is obtained; the prepared electrode paste can be coated on a sensor electrode of a hydrogen fluoride gas sensor; the stable preparation of the hydrogen fluoride gas sensor is realized by inorganic oxide nano powder and electrolyte regulation, the hydrogen fluoride gas sensor exhibits extremely high sensitivity and extremely fast response speed, and has the advantages of high sensitivity, fast response, low cost, convenient batch production and the like.

The invention discloses a preparation method of a low-TCR low-cost ceramic heating tube. The preparation method comprises the following steps: (1) preparing an organic carrier: putting 60 parts by weight of terpilenol, 20 parts by weight of ethyl cellulose, 10 parts by weight of an adhesive and 10 parts by weight of diethylene glycol acetate into a magnetic stirrer, dissolving and uniformly mixing; (2) weighing metal powder: 50-70 parts by weight of Mo; 20 to 30 parts by weight of Re; mn: 0-5 parts by weight; 10 to 15 parts by weight of Cr; mo, Re, Mn and Cr in a specific proportion are adopted as metal powder, a traditional mode that metal ruthenium powder or a mixture of the metal ruthenium powder and other common metal powder is adopted is replaced, and Mo, Re, Mn and Cr are low in price, so that the preparation cost of the ceramic heating tube is effectively reduced, the purpose of low TCR can be achieved, large-scale mass production is conveniently achieved, and the production cost is reduced. And meanwhile, the ceramic heating tube prepared by the method is higher in overall breaking strength and can better meet the use requirements.

The present application relates to a kind of synergistic adjuvant for improving the prevention and treatment effect of red spider and its preparation method and application, the dosage form of the adjuvant is emulsifiable concentrate, the adjuvant includes the following mass content components: eggshell breaking agent 1.0-50.0%, penetrant 10.0-50.0% and emulsifier 5.0-20.0%, solvent is supplemented to 100.0%;The eggshell breaking agent is the mixture of one or two of ethylenediamine oleate and C13 isopropyl alcohol amide in any ratio;The penetrant is alpha-terpineol;The solvent is the mixture of one or two of 4-isopropyltoluene and ethanol in any ratio.Compared with prior art, the present application can improve the physicochemical properties of pesticide solution, reduce the surface tension of pesticide, improve the penetration and spreading property and leaf retention of pesticide, the eggshell breaking agent has good wax dissolving and dewaxing performance, effectively improves the prevention and treatment effect of pesticide on red spider mite and egg.

The invention discloses a method for performing targeted molecular modification on bacteriostatic active ingredients in cinnamomum longepaniculatum essential oil to enhance the antibacterial property, and belongs to the technical field of natural product modification and agricultural antibacterial agents. According to the method, cinnamomum longepaniculatum essential oil is taken as a raw material, and targeted modification is realized through esterification-amination two-step reaction: step 1, butanedioic anhydride is adopted to esterify hydroxyl groups of 1, 8-cineole and alpha-terpilenol in the essential oil under the catalysis of DMAP, and carboxyl groups are introduced; in the second step, carboxyl is converted into acyl chloride through thionyl chloride, the acyl chloride reacts with ethylenediamine to introduce amino, and an ester group-amino group bifunctional structure is formed; the thermal decomposition temperature of the modified essential oil is increased by 43 DEG C, and the MIC value of the modified essential oil to four pathogenic bacteria such as fusarium oxysporum and rhizoctonia solani is reduced to 0.3% v / v to the minimum. Mechanism research shows that the modified essential oil can enhance the bacteriostatic activity by destroying cell membranes of pathogenic bacteria, inhibiting cell metabolism and regulating and controlling expression of key genes. The method is simple in process, high in yield and excellent in performance, and a new thought is provided for development of efficient natural-source antibacterial agents.

The application provides a tantalum carbide coating and a preparation method and a tantalum carbide product. The preparation method comprises the following steps: mixing tantalum pentoxide and carbon powder to prepare a mixture; mixing the mixture, ethyl cellulose, lauric acid, terpineol and an acetylacetone metal salt to prepare a slurry; transferring the slurry to the surface of a substrate, and sequentially performing a forming treatment and a heat treatment to prepare the tantalum carbide coating; wherein the mass content of the acetylacetone metal salt is 2% to 9% based on the total mass of the mixture. The preparation method has the advantages that lauric acid and ethyl cellulose are used as film forming agents, terpineol and a specific mass content of acetylacetone metal salt are added at the same time, and the mutual cooperation of the above-mentioned substances can make the prepared tantalum carbide coating have good breaking performance.

The present invention relates to compositions and methods for the treatment and / or prevention of skin and / or mucosal conditions caused by microbial overgrowth, imbalance or infection. The methods comprise administering to the subject a composition comprising, inter alia, carvacrol and terpilenol in an amount and a mutual ratio maintaining a balance between beneficial symbiotic microorganisms and non-beneficial opportunistic pathogenic microorganisms.

The application relates to a distiller's grains extract with anti-aging efficacy, a preparation method thereof and a cosmetic. The method comprises the following steps: extracting the fat-soluble components from distiller's grains powder to obtain a first extract and first distiller's grains; extracting the alcohol-soluble components from the first distiller's grains to obtain a second extract and second distiller's grains; and extracting the water-soluble components from the second distiller's grains to obtain a third extract. In the technical scheme, the fat-soluble components in the distiller's grains are extracted first, and then the alcohol extraction and water extraction are sequentially adopted, so that various active substances in the distiller's grains are greatly extracted, the characteristic components of the distiller's grains extract are enriched, and the resource utilization of the distiller's grains is greatly expanded. The distiller's grains extract contains the characteristic components of the distiller's grains extract, such as linoleic acid, oleic acid, maltol, eugenol, alpha-caryophyllene, alpha-terpineol, gamma-aminobutyric acid, goose myo-peptide, plant sphingosine, dihydrosphingosine, lactic acid and glycolic acid, so that the efficacy of the distiller's grains extract is greatly enriched.