164results about How to "Affect yield" patented technology

The invention relates to a preparation method for flame retardant bisphenol A bi(diphenyl phosphate). The preparation method comprises the following steps: taking phosphorus oxychloride, bisphenol A and phenol as raw materials, adopting anhydrous zinc chloride or anhydrous aluminum chloride as a main catalyst, and adopting anhydrous calcium chloride or calcium phosphate as a promoter; adding the phosphorus oxychloride, the main catalyst and the promoter into a reactor for intensive stirring, when the materials are heated up to 73 to 78 DEG C, continuously adding bisphenol A, after the addition of bisphenol A is completed within 2.5 to 3 hours, heating up to and maintaining the temperature of 110 to 115 DEG C, and continuing the reaction for 1.5 to 2 hours; leaking out excessive phosphorus oxychloride under the normal and reduced pressure; and cooling down the intermediate product to 100 DEG C, continuous dropping phenol into the intermediate product, heating up to 140 DEG C 2 hours later, carrying out the reaction for 3 to 4 hours, monitoring the content of phenol through the liquid chromatography, and complementing phenol till the phenol content in the crude product is less than 0.5 percent. The yield reaches 98 percent; the content of triphenyl phosphate is less than 1.5 percent; and the acid number is 0.03mgKOH/g.

The invention aims to disclose high-bioactivity ganoderma spore oil and a preparation method thereof, and belongs to the field of Chinese medicament. The method comprises the following steps: breaking walls of ganoderma spore powder by adopting a high-energy nano impact mill, performing dry granulation, supercritical CO2 extraction, molecular distillation and purification, and thus obtaining the ganoderma spore oil. The operation process of the method is carried out in an anhydrous environment, so that oxidation of the spore oil in the processing process is reduced, and the obtained product is stable in property; the freezing transparent test time of the ganoderma spore oil prepared by the method exceeds 5.5 hours; and the measured unsaturated fatty acid content is between 60 and 80 percent, the total triterpenoid content is 2 to 3 percent, the total ergosterol content is 2 to 5 mg/g, the ganoderic acid A content is more than 1 mg/g, the peroxide value is less than 5mmol/kg, and the acid value is less than 10 mg KOH/g.

The invention discloses a touch module and a manufacture method thereof. The touch module comprises a touch induction layer and a cover plate, wherein the upper surface of the cover plate is in an arc-shaped curved surface structure; the touch induction layer is integrally arranged on the lower surface of the cover plate in an in-mold forming mode; and an arc-shaped curved surface shell with a touch induction function is formed by the touch induction layer and the cover plate. The manufacture method for the touch module comprises the following steps of providing the cover plate which is provided with an upper surface and a lower surface with the arc-shaped curved surface structure; arranging the touch induction layer; and arranging the touch induction layer on the lower surface of the cover plate in an integral forming mode by the in-mold injection forming technology to form the arc-shaped curved surface shell with the touch induction function. According to the touch module disclosed by the invention, the touch induction layer and the cover plate can be directly combined to form the integral-forming shell with the arc-shaped curved surface structure by the in-mold injection forming technology, thereby being favorable for satisfying the requirements of thin and light property, high performance and diversified appearance of a touch panel.

A process for fabricating lasers capable of emitting blue light wherein a GaN wafer is etched to form laser waveguides and mirrors using a temperature of over 500° C. and an ion beam in excess of 500 V in CAIBE.

The invention relates to a saline-alkali soil fruit tree planting method. The saline-alkali soil fruit tree planting method includes steps of taking common annual branchless fruit saplings for on-ridge root-limiting secondary culturing on land with soil property approximate to that of an orchard to be built or with the salt and alkali content lower by 0-30% than that of the common land, and applying nutrient soil to control salt by mixing in a sapling growing zone; preparing fulvic acid and naphthylacetic acid soluble powder into slurry which is used for wrapping the saplings before planting; increasing nutrient using microbial nutrition fertilizer in a sapling stage and improving resistance; performing measures like salt leaching, pressing and accumulating to improve sapling salt-alkali resistance at any time by controlling water, greatly improving salt and alkali resistance of saplings by a series of salt and alkali training, lifting the saplings and planting in the orchard to be built, dipping the saplings in the fulvic acid and naphthylacetic slurry again and broadcasting super-fine calcium carbonate in sapling holes. Various measure effects are outstanding, the survival rate of the saplings is remarkably increased in the salt and alkali area, the orchard is even, and the high yield can be realized in the second to third year and the quality is high.

The present invention provides a method for synthesizing 3-methyl-3-butene-1-ol. The method comprises the following steps: pressurizing a raw material, a formaldehyde methanol solution, to 15-22 MPa, heating to 150-200 DEG C, and continuously feeding the solution, in a spray form, into a reactor after achieving a near-critical state; and meanwhile pressurizing another raw material, isobutylene, to 15-22 MPa, heating to 220-300 DEG C and continuously feeding into the reactor. The raw material formaldehyde methanol solution and the raw material isobutylene react in the reactor under conditions of temperature of 220-300 DEG C and pressure of 15-22 MPa. According to the method for synthesizing 3-methyl-3-butene-1-ol provided by the present invention, occurrences of formaldehyde self-polymerization and disproportionation reaction are reduced, and the product yield is improved. The reaction rate is increased, and the reaction effect is improved.

The invention discloses a mould processing and grinding device, comprising a workbench, a lifting device is arranged on the left side of the workbench, a work box is arranged on the right side of the lifting device and above the workbench, and the work box is A motor and an electric telescopic device are respectively arranged inside, the electric telescopic device is located on the right side of the motor, the output shaft of the motor is sleeved with a first gear, the first gear is meshed with a second gear, and the first gear is engaged with the first gear. The inner ring of the second gear is sleeved with a rotating rod. The rotating rod penetrates the working box and extends to the outside of the working box. Two grinding blocks are arranged inside the protective shell. The grinding blocks penetrate through the protective shell and are fixed with the grinding plate arranged outside the protective shell. connect. The mold processing and grinding device of the invention has simple structure and convenient use, can grind the mold holes or grinding tool grooves during processing, and has better grinding effect on the burrs in the holes or grooves, so that the utilization rate of the mold is higher when it is put into use. .

The invention provides a synthesis process of isatoic anhydride. The synthesis process comprises the following steps: a) heating phthalic anhydride until phthalic anhydride is molten and mixing the molten phthalic anhydride with urea, and cooling to 10-20 DEG C after a reaction; b) mixing reaction products obtained after cooling with liquid alkali, cooling to minus 5- 0 DEG C to carry out a first reaction, mixing reaction products with pypocholoride, mixing reaction products with hydrochloric acid after a second reaction, and carrying out a third reaction to obtain isatoic anhydride. During the synthesis process of isatoic anhydride, reaction temperature is controlled strictly. Thus, generation of by-products is avoided, and yield of isatoic anhydride is raised. Meanwhile, by one kettle way for synthesis of isatoic anhydride, industrial operations are minimized, the discharging link is reduced, and yield is raised. It shows through experimental results that yield of isatoic anhydride reaches more than 94% and purity reaches more than 99%.

The invention discloses an accessory ingredient used for bleaching slurry oxygen delignification, which aims to solve the problems that the traditional oxygen delignification technology adopts magnesium sulfate or sodium tripolyphosphate as fiber protection accessory ingredient to cause single chemical component and poor action effect, and can not perform good delignification action, and the improvement of the whiteness of the subsequent bleaching slurry is affected due to uneven reaction of oxygen and lignin. The accessory ingredient comprises the following components in percentage by weight: 5-15% of sodium dodecyl benzene sulfonate, 3-20% of sodium lignosulphonate, 5-25% of anthraquinone derivative, 25-65% of sodium sulfite and 1-15% of sodium tripolyphosphate. The accessory ingredient disclosed by the invention is compounded by various components, the delignification rate, the slurry yield and the slurry whiteness can be effectively improved, and the fiber is prevented from being degraded. Meanwhile, the use amount of bleaching agent in the subsequent bleaching process is effectively reduced, pollution on the environment by bleaching waste water is lowered, and the accessory ingredient has a higher economic value and a higher use value.

The invention discloses a phase change energy storage building material. The building material comprises the following components: ethylenediaminetetraacetic acid, toluene-2, 4-diisocyanate, a phase change material, cyclohexane, distilled water and an emulsifier; the invention further designs a preparation method of the phase change energy storage building material, and the preparation method comprises the flow of preparing an aqueous phase, emulsifying, polymerizing and separating product to obtain the phase change energy storage building material; the phase change energy storage building material can compound the phase change energy storage material with a proper building material to reinforce the storage capacity, and has good heat storage and temperature adjustment functions, the phase change energy storage building material is stable in chemical properties, free of toxic and irritating odor, low in cost and high in safety high, and the preparation method is simple and easy.

A device for rapidly detecting the inner diameter and the height of a magnetic shoe housing assembly is characterized in that the device comprises a base, and an inner diameter detecting part and a contact type shift sensor which are arranged on the base; the lower end of the inner diameter detecting part is fixedly connected to the base, an inner diameter detecting head is arranged at the upper end of the inner diameter detecting part, the inner diameter detecting head has a rigid round edge, and the diameter of the round edge is equal to the diameter of a cylinder on which the inner arc surfaces of the two magnetic shoes in the magnetic shoe housing assembly are; when the sensing head of the contact type shift sensor is in contact with the lower edges of the magnetic shoes on the magnetic shoe housing assembly, the shift of the sensing head in a vertical direction can be sensed, and the sensing head is arranged near the inner diameter detecting head; the sensing head is arranged below the round edge of the inner diameter detecting head in the vertical direction or on the same horizontal plane with the round edge; and clamp pins are arranged on the magnetic shoe housing assembly, the magnetic shoe housing assembly is limited by the clamp pins when the magnetic shoe housing assembly moves relative to the inner diameter detecting head in the vertical direction, and a certain distance is remained between the clamp pins and the lower edges of the two magnetic shoes. The rapid detecting device provided by the technical scheme has the advantages of rapidness, efficiency and high accuracy.

The invention relates to a method for extracting procyanidine from fruit or pomace of aronia melanocarpa elliot. The method comprises the steps of dipping the fruit or pomace of the aronia melanocarpa elliot into an organic solvent, conducting Flash extraction for 0.5-30 minutes by using a Flash extractor, carrying out suction filtration and centrifugation to obtain a procyanidine extract solution of the aronia melanocarpa elliot; concentrating the procyanidine extract solution of the aronia melanocarpa elliot by using a negative pressure rotary evaporation device to obtain procyanidine extract concrete of the aronia melanocarpa elliot; and after pre-freezing the procyanidine extract concrete of the aronia melanocarpa elliot by using an ultra-low temperature refrigerator, carrying out freeze drying on the procyanidine extract concrete by using a freeze drying device to obtain the freeze-dried powder of a procyanidine extract of the aronia melanocarpa elliot. According to the method disclosed by the invention, low temperature in the whole course can be realized, procyanidine disintegration caused by high temperature can be avoided, the loss of anthocyanin in the extracting process effectively can be effectively avoided, the operation is simple and the cost is low, and promotion in enterprises can be achieved by forming an automatic production line, so that the method has a relatively high commercial value.

The invention discloses a color filter array substrate and a manufacturing method thereof. The color filter array substrate comprises a transparent substrate, a thin film transistor, a color filter unit and a pixel electrode, wherein the color filter unit is positioned on a groove of the transparent substrate and is used for converting light rays entering the color filter unit into light rays with a preset color; the pixel electrode is positioned on the color filter unit, coupled to the drain of the thin film transistor and used for controlling the liquid crystal rotating direction of a liquid crystal layer according to the level of an electric signal transmitted to the drain when the grid of the thin film transistor receives scanning impulse. The color filter unit is formed on a first groove, the pixel electrode is formed on the color filter unit, and an opening for connecting the drain of the thin film transistor with the pixel electrode is not required to be formed on a protective layer; and therefore, the etching process of forming the opening on the protective layer can be eliminated.

The invention relates to a method of assisting pollination of hybrid brassica juncea var. tumida Tsen et. Lee by utilizing houseflies. The method includes (1) selecting a base and a field, (2) selecting a variety, (3) sowing, (4) performing field planting, (5) breeding the houseflies, (6) building a gauze shed, (7) allowing the houseflies to perform pollination, (8) killing the houseflies, (9) performing field management and (10) harvesting seeds. The method has advantages of simple operation, a high pollination speed, and uniform, centralized and accurate pollination, saves the manual cost, overcomes problems of poor pollination effects, a low hybrid seed yield, and the like, and provides a pollination technique which is high in pollination efficiency, simple and feasible for better application in production.

A fracturing method for realizing the effective partial pressure of a dense heterogeneous reservoir stratum includes the steps of cutting to an artificial well bottom through a gauge cutter, conducting a pressure test on a shaft after well flushing till the test is qualified, selecting the point with the best physical property of the stratum as a perforation section or spot, conducting heat power perforation or heat power sandblast perforation, putting in a fracture drill tool to conduct first-grade fracturing construction, implementing general fracturing through fracturing liquid, replacing with sand-carrying fluid to enter the stratum, closing a well till a fracturing seam is closed, adding degradable fiber and a water-soluble temporarily plugging agent for blocking a fractured layer section, starting second-grade fracturing construction, repeatedly executing the steps of adding the degradable fiber and the water-soluble temporarily plugging agent and conducting fracturing construction according to the perforation hole number till all perforation sections are sufficiently refitted, and finally conducting well closing, well opening for gushing, production volume finding and well completing. Through the combination of multi-section fixed point perforation and the fiber and the water-soluble temporarily plugging agent, the opened fracturing seam is selectively blocked, an unused stratus is forced to be fractured and a new seam is created, and the aim of effective fracturing and sufficient refitting of all oil reservoirs can be achieved.

The invention relates to a diketene preparation device and a diketene preparation method. The diketene preparation device comprises an acetic acid evaporator, a mixer, a cracking furnace, a quenching condenser and an absorption tower. The outlets of the acetic acid evaporator and the mixer are connected with the cracking furnace; the cracking furnace is then connected with the multi-level quenching condenser; the quenching condenser is then connected with the absorption tower; one branch of the absorption tower is connected with a polymerization tank, and the other branch of the absorption tower is connected with a water absorption tower; and the outlet of the third-level quenching condenser is connected with the quenching condenser behind through a liquid ring pump. The diketene preparation device and diketene preparation method provided by the invention have the beneficial effects that when the cracked gas is pressurized, the impurities such as acetic acid, water and acetic anhydride in the cracked gas can be condensed out more sufficiently, and thus the quality of the cracked gas before entering the absorption tower is improved while the freezing level is lowered; and compared with the traditional technology in which the energy consumption accounts for 45% of the total cost of diketene, the device and method provided by the invention have the advantage that the energy consumption only accounts for 25% of the total cost of diketene through improvement.

The invention belongs to the field of preparation of rare earth materials, and especially relates to an ultrafine lanthanum oxide and a preparation method thereof. The preparation method of the ultrafine lanthanum oxide comprises the following steps: 1, preparing a lanthanum salt solution A; 2, preparing an anionic surfactant solution B, and adding the solution B to the solution A to obtain a solution C; 3, preparing an oxalic acid solution, pouring the oxalic acid solution into a reaction container, adding the solution C to the oxalic acid solution in a dropwise manner while continuously stirring, and reacting the solution C with the oxalic acid solution to generate lanthanum oxalate precipitate; and 4, carrying out pumping filtration on the generated precipitate, washing with water, drying, calcining to obtain crude lanthanum oxide, crushing the crude lanthanum oxide, and sieving to obtain the ultrafine lanthanum oxide with uniformly distributed granularity. The preparation method of the ultrafine lanthanum oxide is simple, allows rare earth lanthanum oxide with small granularity and uniform particle distribution to be directly obtained through an oxalate precipitation technology, and can avoid particle fragmentation caused by a physical technology, and the ultrafine lanthanum oxide can be directly used in magnetic materials.

The invention discloses a high-tensile property brass band for a lamp holder and a production process thereof. The brass band comprises the following components in percentage by weight: less than or equal to 0.01 percent of lead, less than or equal to 0.02 percent of iron, less than or equal to 0.02 percent of tin, less than or equal to 0.02 percent of nickel, 0.001 to 0.003 percent of phosphor, 63.0 to 64.5 percent of copper, and the balance of zinc. Compared with the prior art, the high-tensile property brass band has the advantages that: the produced high-tensile property brass band for a lamp holder can fulfill the requirement for excellent plasticity in a lamp holder forming process, and prevent pitted surface of a product which is subjected to deep tension from influencing the appearance and yield by reasonably controlling the content of impure elements, grain sizes of finished products and deep drawability.

The invention relates to a method for electrolytic synthesis of siloxane, belonging to the technical field of organosilicon chemistry. The method disclosed by the invention comprises the following steps of carrying out an electrolysis reaction on minerals containing SiO2 and an alkylating agent as raw materials at room temperature and normal pressure in an electrolyte solution comprising an aprotic polar organic solvent and an electrolyte by an electrolytic cell or an electrolytic bath with a cathode and an anode and synthesizing to obtain the silicone-containing materials, and finally the separating siloxane in the silicone-containing materials to obtain siloxane products. According to the method for electrolytic synthesis of siloxane, production costs and energy consumptions are greatly reduced, the production efficiency is improved; no pollution to the environment is generated and the synthesis process is environment friendly; a plurality of silicone products are obtained by flexibly choosing alkylating agents. The method disclosed by the invention has the advantages of high converted rate and product quality.

The invention discloses a preparation method of earthworm bioactive fulvic acid, and relates to a preparation method of fulvic acid. The invention aims to solve the problems in the process of converting livestock manure and crop straws into fulvic acid through a biochemical method and extracting the fulvic acid. The existing biochemical treatment needs to meet the temperature conditions, and the obtained fulvic acid has low purity, poor stability and short shelf life. According to the method, a mixture of livestock manure and straw is processed by 5 earthworm species in cooperation with microbial biological fermentation to produce an earthworm bait, and the earthworm bait is fed with high-efficiency earthworm varieties bred through independent hybridization to obtain earthworm manure withspecific components, and then the earthworm manure is extracted to finally obtain the earthworm bioactive fulvic acid. The method is applied to the field of preparation of fulvic acid.

The invention relates to a casting mould for a car chassis shell. The casting mould comprises a lower box, an upper box, a box cover and a slope adjusting body; the slope adjusting body is mounted atthe bottom of the lower box in a wedge shape, the top of the lower box is covered with the upper box, and the box cover is mounted between the upper box and the lower box; and an outer pouring openingis formed in the upper box and the box cover and formed in the side close to the large end of the slope adjusting body. The casting mould adopts the lower box, the upper box, the box cover and the slope adjusting body, and a detachable whole is formed through the structures of the lower box and the upper box; the pouring opening is formed in the upper box and the box cover by adopting the slope adjusting body, molten iron is injected into the pouring opening, by utilizing the nature of the molten iron and combining the inclined shape of the bottom of the lower box, the molten iron is sunken,and gas bubbles in the molten iron rise upwards; and through the slope adjusting body, the molten iron in the mould is sunken completely, gas in the molten iron can be exhausted completely, and thus the problems that gas holes are formed in the surface of the casted shell, and consequently, the yield of the car chassis shell is affected, and the production efficiency is low are prevented.

The invention discloses a method for conducting single node cutting seedling cultivation by utilizing branches after spring tea-picking in a three-dimensional tea garden. The method comprises the steps of carrying out comprehensive preservation of fish leaves or one-leave picking on spring treetops sprouted on overwintered braches in the three-dimensional tea garden; from after spring tea-picking to before second round tea sprouting, raising pruning openings by 3-5cm to be subjected to ear and branch cutting after the spring of the last year; conducting ear removal and cutting on the cut ears and branches according to a regular single node cutting seedling technology; from early June to early July, in the sprouting and growth process of new treetops of the cut ears, pruning sprouted young buds and promoting the growth of a main sprout in time. According to the method for conducting the single node cutting seedling cultivation by utilizing the branches after the spring tea-picking in the three-dimensional tea garden, efficient utilization of tea tree biological resources is achieved, and by the reuse of the pruned and waste branches and treetops after spring tea in the three-dimensional tea garden, the utilization rate of the tea tree biological resources are increased, and the method is particularly suitable for reproduction and popularization of new varieties of tea trees with scare resources; an annual seedling cultivation period is prolonged, and the history that cutting seedling cultivation cannot be carried out for long time due to the fact that no cutting is conducted between spring the summer is changed; three-dimensional tea garden management achieves double benefits which takes tea leaves and ear harvest into account.