49results about How to "Good dissociation effect" patented technology

The invention relates to a quantitative analysis method for a gasified slag mineral phase. The method comprises the following steps: efficiently separating out iron micro-beads in gasified slag through a magnetic separation process, selectively and completely separating the glass phase and impurities contained in the glass phase in sequence through a crossed two-step acid-alkali method, completelyburning off inorganic carbon particles through high-temperature roasting, obtaining a stable quartz crystal phase as the solid phase, and accurately analyzing the accurate content of all components in the gasified slag. Compared with a traditional hydrofluoric acid dissolution method and an instrument semi-quantitative analysis method, the brand-new analysis method has the advantages of simple operation, good dissociation effect, low impurity detection limit, high data accuracy, mild reaction conditions and the like, has wide applicability, can provide a new thought for quantitative analysisof typical industrial / metallurgical solid waste mineral phases such as fly ash, coal gangue, metallurgical slag and the like, and has important guiding significance for developing a new solid waste high-valued utilization technology.

The invention provides a shallow trench isolation (STI) structure preparation method, at least comprising the steps of: providing a semiconductor substrate, and etching the semiconductor substrate to form trenches in the semiconductor substrate; providing a reaction chamber, into which Ar gas is inputted as sputtering gas, and ionizing the Ar gas; placing the semiconductor substrate in the reaction chamber to perform preheating treatment; and filling insulating materials in the trenches so as to form an STI structure. According to the invention, in a semiconductor substrate preheating phase, Ar gas is employed as plasma source gas to replace O2 of the traditional process, thereby preventing the surfaces of the trenches of the semiconductor substrate in the preheating phase from being oxidized and corroded by O plasmas, reducing device leak current, preventing a device from isolation failure, and improving device reliability. In addition, Ar plasmas can improve the dissociation effect of a whole plasma system, which is in favor of performing the filling process smoothly.

The invention discloses a two-section type cavitation bubble generator which comprises a first cavitation section and a second cavitation section, wherein the first cavitation section comprises a first jet chamber, a compression channel, a gas chamber and a mixing channel; The first jet chamber, the compression channel, the gas cavity and the mixing channel are sequentially communicated in the fluid flowing direction. The second cavitation section comprises a second jet chamber with an opening in one end, an outlet channel for outputting fluid and a center body; the open end of the second jetchamber is connected with the fluid output end of the first cavitation section, and the other end of the second jet chamber is communicated with the outlet channel; a low-pressure fluid inlet communicated with the second jet chamber is formed in the wall of the second jet chamber; the center body is arranged in the middle of the second jet chamber and fixedly connected with the second jet chamber,and a center body channel used for mixing fluid and gas is formed in the radial center of the center body. The cavitation bubble generator has high cavitation efficiency, the cavitation action rangeof a single generator is wide, the cavitation bubble generator can be effectively used for a high-sulfur slag dissociation process, the slag-sulfur separation effect is improved, and a good foundationis provided for subsequent flotation sulfur extraction.

The invention discloses a low-ink pulping method through waste paper recycling. The method includes the following steps that 1, waster paper is collected, and beating is conducted to obtain shredded paper sheets; 2, the shredded paper sheets are subjected to micro-fermentation treatment; the shredded paper sheets obtained after micro-fermentation treatment are soaked and subjected to floating selection and ink removal; 4, after sediment is washed and impurities are removed, dehydration treatment is conducted; 5, materials obtained after dehydration are subjected to high-pressure steam-cooking and sterilization and softening; 6, the materials obtained after steaming and softening are subjected to extrusion impregnation and kneading homogenization; 7, digestion, fiber separation and defibering are conducted in sequence; 8, after purification and concentration, the final materials are stored for standby application. When the waste paper high in fiber quality is recycled for pulping, a good ink removal effect can be obtained through mutual complementation and synergistic interaction of pre-micro-fermentation treatment, post-micro-fermentation treatment and subsequent working sections.

The invention provides an oncidium protoplast dissociation and culture method which comprises the following steps: taking oncidium protocorm-like bodies as starting materials, carrying out callus induction culture and 4-5 times of subculture to obtain vigorously growing calluses with loose structures for dissociation of protoplasts; carrying out cold treatment on calluses at 4 DEG C for 1 d, putting the calluses into a mixed enzyme solution, carrying out shaking table oscillation enzymolysis for 8-10 h, and purifying protoplasts by using an interface method to obtain a large amount of oncidiumprotoplasts with high activity; continuously using the culture medium for solid-liquid double-layer culture, so that the obtained oncidium protoplast cells can normally grow and continuously split to form small cell clusters, the maximum splitting frequency reaches 10.16%, and the maximum plate planting rate reaches 4.03%. The invention provides a scientific basis for cell fusion, somatic cell hybridization, genetic transformation and germplasm innovation by utilizing oncidium protoplast.

The invention discloses a coal gangue microbial fungal fertilizer and a preparation method thereof. The fertilizer comprises or is a product obtained by treating raw materials with aspergillus fumigatus GZT-Asp01; the main component of the raw materials is coal gangue or coal gangue; the method for treating the raw materials by using the aspergillus fumigatus GZT-Asp01 comprises the following steps: crushing the raw materials, and preparing the aspergillus fumigatus GZT-Asp01 into a bacterial solution; and under continuous stirring, spraying the bacterial liquid on the crushed raw materials, performing uniform stirring, timed overturning, temperature control treatment and airing to obtain a product. According to the coal gangue microbial fungal fertilizer disclosed by the invention, the coal gangue is treated by using the aspergillus fumigatus GZT-Asp01, so that insoluble phosphorus, potassium, calcium, nitrogen and other components in the coal gangue can be effectively converted into available phosphorus, quick-acting potassium, exchangeable calcium, hydrolytic nitrogen and other nutritional components which can be absorbed by plants, and resource reutilization of the coal gangue is realized; in addition, the technological process for dissociating the coal gangue through the aspergillus fumigatus GZT-Asp01 is remarkable in effect, low in cost and environmentally friendly.

The invention discloses a beneficiation method for recovering high-grade iron ore concentrate from iron-containing waste rocks in a waste dump. The high-grade iron ore concentrate with the TFe content larger than or equal to 65.0% is obtained through the steps of 1, raw ore stage crushing and stage dry type magnetic separation waste throwing operation, 2, fine crushing dry type pre-selection concentrate high-pressure roller grinding-wet type magnetic separation tailing throwing operation, 3, wet type magnetic separation pre-selection concentrate stage grinding-stage wet type magnetic separation operation and 4, magnetic separation concentrate anion reverse flotation operation in sequence, building material products with different lumpiness and different size fractions can be produced, and the resource utilization rate of the iron-containing waste rocks reaches up to 80%. By means of the beneficiation method, a conventional crushing-high-pressure roller milling selective disintegrating technology is adopted for pre-selecting and tailing throwing, so that the discharge amount of fine tailings is reduced, and the ore grinding amount is reduced; and a superfine grinding technology including a vertical tower mill is adopted for pre-selecting the concentrate, the number of ball-milling grinding sections is reduced, the dissociation performance of ore is improved, the particle size distribution of the ore is more uniform, the condition for obtaining the high-quality iron ore concentrate is met, and the energy-saving, consumption-reducing and emission-reducing effects are remarkable.

The invention discloses a low-ink pulping method through waste paper recycling. The method includes the following steps that 1, waster paper is collected, and beating is conducted to obtain shredded paper sheets; 2, the shredded paper sheets are subjected to micro-fermentation treatment; the shredded paper sheets obtained after micro-fermentation treatment are soaked and subjected to floating selection and ink removal; 4, after sediment is washed and impurities are removed, dehydration treatment is conducted; 5, materials obtained after dehydration are subjected to high-pressure steam-cooking and sterilization and softening; 6, the materials obtained after steaming and softening are subjected to extrusion impregnation and kneading homogenization; 7, digestion, fiber separation and defibering are conducted in sequence; 8, after purification and concentration, the final materials are stored for standby application. When the waste paper high in fiber quality is recycled for pulping, a good ink removal effect can be obtained through mutual complementation and synergistic interaction of pre-micro-fermentation treatment, post-micro-fermentation treatment and subsequent working sections.

Negative ion functional inorganic pigment is disclosed, and mainly comprises the following raw materials in parts by weight: 50-60 parts of calcium hydroxide, 5-15 parts of silica fume, 5-10 parts ofsilica sol, 1-3 parts of ternary composite negative ion powder, 2-6 parts of graphene oxide, 4-6 parts of silicone oil, 5-20 parts of a coloring agent and 95-105 parts of deionized water. Improvementis carried out on the basis of a previous first-generation coating formula, transition from the coating field to the pigment field is achieved, and the characteristic of sufficient release or standardrelease of negative ions is reserved.

The invention discloses a strain of the genus Chryseobacterium and an application thereof. The strain is Chryseobacterium sp; National Object Collection Center, the collection number is CCTCCNO: M2017810. Chryseobacterium sp GZU-Ch01 of the present invention can effectively decompose insoluble potassium, phosphorus, silicon, calcium, sulfur and other components in coal gangue to become available potassium, available phosphorus, available silicon, exchangeable calcium, effective Sulfur, etc. are used as nutrients absorbed by plants. In particular, GZU‑Ch01 can effectively dissociate insoluble potassium in coal gangue, making it into available potassium, which provides a valuable source of potassium resources. The gangue is mixed with other potassium-containing minerals such as potassium feldspar, which can further increase the potassium content in the mineral and microbial compound fertilizer based on coal gangue.

The invention belongs to the field of biology, and particularly relates to a soybean cell nucleus dissociation solution suitable for flow cytometry analysis and application thereof. The soybean cellnucleus dissociation liquid suitable for flow cytometry analysis comprises 45mM magnesium chloride, 20mM MOPS, 30 mM of sodium citrate and 30 mM of a non-ionic surface active agent; the nuclear dissociation liquid provided by the invention has good applicability on different soybean varieties, not only has a good nuclear dissociation effect on soybean leaves and root tissues, but also is reliablein corresponding cell cycle analysis experiment result, and provides technical support for further researching the influence of adversity on the soybean intrakaryotic replication level; and a foundation is laid for simply, conveniently, quickly and accurately researching the content, the cell cycle and the genetic ploidy of the soybean cell nucleus DNA by using a flow cytometry.

The invention discloses a mobilis bacillus and application thereof. The Bacillus mobilis is named Bacillus mobilis GZU‑Bac01 (Bacillus mobilis GZU‑Bac01), and was deposited in the China Center for Type Culture Collection on December 7, 2020, with the preservation number CCTCC NO: M 2020863. Bacillus mobilis GZU-Bac01 of the present invention has the nutrient element that can dissociate and release solidification, as: nitrogen, phosphorus, potassium, calcium etc., and dissociation effect is good, and cost is low, and environmental protection, adopts microbial bacterium (Bacillus mobilis GZU‑Bac01) method for dissociating coal gangue to prepare microbial fertilizers, which not only converts insoluble and / or insoluble nutrients in coal gangue into soluble components, but also releases the soil after it is applied to the soil The solidified nitrogen, phosphorus, potassium, calcium, etc. in the plant can be transformed into nutrients directly absorbed and utilized by plants. At the same time, GZU‑Bac01 can also effectively release insoluble phosphorus and / or insoluble phosphorus in other phosphorus-containing minerals. phosphorus.

The invention discloses a dissociating agent commonly used for TT3 and TT4 in serum, which comprises the following components in mass fraction: metal chelate 0.01%-0.1%; N-heterocyclic compound 0.01%-1.0%; stabilizer 0.05% %~0.2%; Surfactant 0.2%~1.0%; Auxiliary 0.5%~4.0%, the rest is water. The dissociation agent of the present invention has a good dissociation effect, can be used as a sample pretreatment solution in the detection reagents of methionine items, and can well dissociate TT3 and TT4 in serum from their respective operating proteins. After dissociating and making it into a free state, the content of TT3 and TT4 in the free state is detected and verified by chemiluminescence immunoassay, so that the measured value of the sample result is more accurate. The invention also provides a preparation method of a dissociative agent commonly used in serum for TT3 and TT4.

The invention relates to a composition extracted from animal organs, wherein the animal organs are selected from livers, small intestines, large intestines and lungs, and animals are selected from cows, pigs, sheep and dogs.