255results about How to "Easy access to raw materials" patented technology

The invention discloses a device for seeding directly and culturing arabidopsis thaliana in water and the application thereof. The device comprises an open container; a supporting flat plate is arranged in the open container; one or more small holes are disposed on the supporting flat plate; a hollow pipe is inserted in each small hole; solid culture medium is filled in each hollow pipe; water or nutrient solution is filled in the open container; the supporting flat plate is arranged above the level of the water or the nutrient solution; the upper end of each hollow pipe is arranged above the supporting flat plate; and the lower end of each hollow pipe is inserted in the water or the nutrient solution. The device is used for seeding directly and culturing the arabidopsis thaliana in water. The method and the device are simple, are easy to obtain the raw materials and can obtain a large number of plant organs such as roots, stems and leaves used for the biochemical and physiological research.

The invention discloses an ultra-supercritical martensite heat resisting cast steel original austenite grain size display method, and belongs to the technical field of smelting metallographic structure sample analysis and inspection. The method comprises the steps that 1, austenitizing heat preservation is performed on a sample, wherein the temperature of a high-temperature furnace is increased to 1100 DEG C to 1150 DEG C, the sample is placed in the furnace for heat preservation, the temperature of the sample is quickly lowered to 800 DEG C in the furnace, heat preservation is performed, and then the temperature is lowered to the room temperature; 2, metallographic sample cutting is performed, wherein oxidation and decarbonization portions on the surface of a metallographic sample, with the specification of 15*15 mm, of the sample material processed through heat treatment are removed, and metallographic sample grinding and polishing are performed, wherein the surface of the sample is washed clean, and the sample is placed on a polishing machine to be polished; 3, a corrosive agent is prepared, wherein the volume ratio of nitric acid to alcohol is (6-10):(94-90), and chemical corrosion is performed, wherein the polished surface of the sample is upwards placed in a corrosive solution to enable the solution to cover the surface of the sample, and then the sample is taken out after being stood for 15-30 minutes on the room temperature condition; 4, grain size observation and statistics are performed, wherein a metallograph is taken for the sample.

The invention discloses a compound high-temperature acidizing corrosion inhibitor based on pyridine quaternary ammonium salt. The compound high-temperature acidizing corrosion inhibitor is prepared from components in parts by weight as follows: 20-30 parts of a corrosion inhibitor main agent, 2.0-2.5 parts of a synergist, 0.2-1.0 part of a dispersing agent, 0.5-1.0 part of propargyl alcohol, 0.2-1 part of an emulsifier, 2.5-6.0 parts of triethanolamine, 0.8-1.0 part of a surfactant and 60-70 parts of a solvent, wherein the corrosion inhibitor main agent is the pyridine quaternary ammonium salt prepared from 3-picoline and benzyl chloride through a reaction; the synergist is a mixture of potassium iodide, antimonous oxide and antimony trichloride in a weight ratio being (2-3):(1-2):(1-2). According to the compound high-temperature acidizing corrosion inhibitor based on the pyridine quaternary ammonium salt, the requirement of oilfield acidizing construction at the temperature of 120-160 DEG C is met, a corrosion inhibitor formula which is stable in property and good in corrosion inhibition performance, facilitates site construction and has cost advantage is provided, and the corrosion inhibitor has the characteristics that compatibility with commonly used acidizing additives in site, commonly used imidazoline corrosion inhibitors and other types of quaternary ammonium salt corrosion inhibitors is good, mixed use can be realized, construction is convenient and highly safe, no pollution is produced, transportation and storage are convenient, the cost is low and the like.

The invention discloses a modified beta-cyclodextrin/chitosan compound, and a preparation method and an application thereof. The preparation method has the advantages of simplicity, easy obtaining of raw materials, and low synthesis cost. Beta-CD is adopted to load a medicine, and the beta-CD has external cavity hydrophilicity and inner cavity hydrophobicity characteristics, so the beta-CD can load multiple hydrophobic medicines, and a medicine loaded composite film has large space in the fields of medicine loading and slow release. Films with different transparencies can be made by using the compound through adjusting the molar ratio of chitosan (monomer) to the beta-CD in order to meet requirements of different medicinal positions; and the composite films made by using the modified beta-cyclodextrin/chitosan compound are transparent and flexible, have good biocompatibility and slow release effects, and have no toxic or harmful effects on human bodies.

A kind of preparation method of spring flower nutrient fertilizer, it is made of: plant ash powder, wheat straw powder, rapeseed cake powder, sorghum cake powder, sunflower seed powder, corn silk powder, honeysuckle powder, peanut shell powder, dried chicken manure, Dried rabbit dung, broad-leaved wood chips, bone meal, pine needle powder, Chinese beetroot powder, tea dry powder, green onion powder, Chinese prickly ash powder, the stated percentages are percentages by weight; the nutrient fertilizer cultivated by the invention is cheap, and the raw materials are easy to get, and the preparation and The preparation method is simple, and the various nutrients in the ingredients are rich in content, which promotes the rapid growth and development of the spring flower, strong growth and good disease prevention performance.

The invention provides a preparation method of an activated zeolite molecular sieve supported titanium dioxide photocatalysis material. The method comprises the following steps: activating natural zeolite molecular sieve to obtain activated zeolite molecular sieve; and mixing and stirring the activated zeolite molecular sieve, tetrabutyl titanate, acetic acid, nitric acid and anhydrous ethanol, and carrying out ultrasonic treatment, stirring, ageing, drying and calcining to obtain the activated zeolite molecular sieve supported titanium dioxide photocatalysis material. The activated zeolite molecular sieve supported titanium dioxide photocatalysis material has larger specific surface area than an inactivated zeolite supported titanium dioxide material, and the specific surface area of the activated zeolite molecular sieve supported titanium dioxide photocatalysis material reaches 280.1 m<2>/g; the activated zeolite molecular sieve supported titanium dioxide photocatalysis material has better adsorption performance than the inactivated zeolite supported titanium dioxide material, and the adsorption rate of the activated zeolite molecular sieve supported titanium dioxide photocatalysis material reaches 94.7%; and additionally, the activated zeolite molecular sieve supported titanium dioxide photocatalysis material has high photocatalysis performance, and the photocatalysis degradation rate reaches 98.6%. The activated zeolite molecular sieve supported titanium dioxide photocatalysis material has wider aperture distribution than the inactivated zeolite supported titanium dioxide material.

The invention discloses an efficient culture medium for pleurotus eryngii and a preparation method of the culture medium, and relates to the technical field of pleurotus eryngii culture media. The culture medium is prepared from 45-55 parts of tea dregs, 35-45 parts of cassava residues, 30-35 parts of sustained release granules, 20-30 parts of distillers' grains, 15-20 parts of oyster shells, 15-20 parts of amylase, 15-20 parts of protease, 10-15 parts of expanded vermiculite, 10-15 parts of soybean cakes, 5-10 parts of rice hull powder, 5-10 parts of bran and an appropriate amount of water. Accordingly, the nutritional ingredient content is high, the produced pleurotus eryngii is high in weight, rapid in growth, high in disease resistance, soft in pulp quality and good in taste.

The invention discloses a mixed working substance containing N2O in an auto-cascade circulatory system. The working substance consists of 15-50% of a first group substance by mass fraction and a second group substance in balancing amount, wherein, the first group substance is N2O or a compound formed by N2O and one or more of ethane, trifluoromethane, hexafluoroethane, fluoromethane, carbon dioxide and ethylene. Compared with the prior working substance used for the auto-cascade circulatory system, the mixed working substance provided by the invention has the following advantages: the mixed working substance provided by the invention can effectively realize the refrigeration of a temperature range of 200-240K; the ozone depletion potential (ODP) of N2O (R744A) equals to zero, and the global warming potential (GWP) thereof is relatively low; and as N2O is a natural substance which can be easily obtained, and other refrigerants matched with N2O are reasonably priced, the use of the mixed refrigerant can reduce the cost for companies.

The invention provides a spongy soil and a preparation method thereof. The spongy soil comprises, by weight, 70 to 80 parts of an organic matrix, 5 to 10 parts of planting soil, 5 to 10 parts of a hydrophilizing agent and 5 to 10 parts of a water retaining agent. The spongy soil provided by the invention contains a plurality of elements, is comprehensive in nutrient composition, can meet demands of normal growth of plants and well overcomes the problem of severe shortage of planting oil in cities.

The invention discloses a Chinese medicinal formula for treating a heart disease, relating to the field of Chinese medicinal preparations. The formula is characterized by comprising 16 types of traditional Chinese medicines, including unprocessed rehmannia root, dangshen, asparagus, dwarf lilyturf root, figwort root, red-rooted salvia root, indian buead, thinleaf milkwort root-bark, Chinese angelica, Chinese magnoliavine fruit, platycladi seed, spina date seed, platycodon root, cinnabar, tuber fleeceflower stem and lotus plumule. The Chinese medicinal formula has the advantages of simple preparation, readily available raw materials, quick response, short treatment course and high curative rate; and moreover, a medicament disclosed by the invention is a pure Chinese medicinal preparation, does not have any toxic or side effect, and has a remarkable effect.

The invention discloses a preparation method of a thermal power generation carburization wear-resisting ball. The preparation method comprises the following process steps: firstly, casting a wear-resisting ball body casting, selecting the following raw materials in parts by weight: 2.2 to 2.6 parts of ferromanganese, 25 to 30 parts of scrap iron blocks, 0.4 to 0.7 part of a waste copper plate and 0.3 to 0.5 part of a slag forming constituent, putting the raw materials into a smelting furnace for desulfuration, transferring smelted liquid subjected to desulfuration into a medium-frequency induction furnace for continuous smelting and heat insulation, adding a spheroidizing agent which is 0.5 to 1.2 percent of the weight of the smelted liquid into the medium-frequency induction furnace for spheroidizing at the temperature of 900 to 960 DEG C, and pouring in a die to obtain the wear-resisting ball body casting. According to the preparation method, the wear-resisting ball body and a wear-resisting layer are respectively obtained by pouring twice, so that the wear-resisting ball is high in mechanical property and impact toughness; furthermore, most components in the thermal power generation carburization wear-resisting ball are conventional elements, so that the production cost is low, and the preparation method is convenient to popularize.

The invention relates to the technical field of down feather processing, and in particular relates to a high-efficiency cleaning agent for down feathers. The high-efficiency cleaning agent for the down feathers provided by the invention comprises the following raw materials in parts by weight: 12-15 parts of an LAS-ammonium salt, 6-12 parts of fatty alcohol polyoxyethylene ether, 6-10 parts of pelargonium hortorum, 6-10 parts of ethyl acetate, 3-7 parts of sodium dodecyl benzene sulfonate, 3-7 parts of citric acid, 4-8 parts of sophorolipid, 2-4 parts of trichloro ethylene, 4-6 parts of betaine, 2-3 parts of sodium laurate, 8-12 parts of citric acid thatch, 4-8 parts of cinnamomum porrectum leaves, 2-6 parts of cassia twig, 2-4 parts of gleditsia sinensis fruits, and 6-10 parts of a defoaming agent. The high-efficiency cleaning agent for the down feathers provided by the invention has good cleaning effects and thorough odor removal, does not damage the down feathers while cleaning andremoving odor, and can reduce breeding of bacteria after the down feathers are cleaned.

The invention relates to a method for making adhesive bandage plaster, which pertains to the field of medicine and pharmacology, wherein the functions of the plaster include activating blood circulation, removing stasis, diminishing inflammation and reducing pains. The invention realizes simple process for manufacturing, fitting for mass and small scale production, fine curative effect and non-toxic and side effects.