33 results about "Calcium magnesium zinc" patented technology

The invention belongs to the field of agricultural production and discloses a sugar alcohol calcium magnesium zinc boron compound liquid fertilizer and a preparation method and application thereof. The liquid fertilizer is prepared from various mother solutions, a chelating agent, a plant growth regulator and surface active materials. The preparation method comprises the following steps: causing sugar alcohol to respectively react with calcium salt, magnesium salt, zinc salt and boric acid to prepare calcium, magnesium, zinc and boron mother solutions, then mixing the mother solutions according to a certain ratio, and adding the chelating agent to cause the mother solutions to carry out secondary chelating reaction; after a while, adding the plant growth regulator and the surface active materials into reaction liquid, uniformly mixing, and cooling to the room temperature to obtain the high-concentration, stable and good-effect compound liquid fertilizer. The prepared liquid fertilizer provides adequate calcium, magnesium, zinc and boron and other nutrients for plants and can also carry out mixing of different elements and proportions according to the needs of different plants and different growth stages of plants.

Described here are compositions, methods and apparatus for biological and physical geoengineering. Disclosed are inorganic particles, prill, pucks, or floats for dispersal on a body of water, the compositions having several properties: 1) positive buoyancy, 2) a sustained-release matrix for delivery of iron, calcium, magnesium, zinc, copper, molybdenum, manganese, cobalt, boron, selenium, vanadium, chromium, nickel, sulfur, nitrogen, phosphorus, silicon, preferably as a combination thereof, at biologically efficacious levels, and synergically, 3) a light-reflective surface for increasing planetary albedo when dispersed over large surfaces. These compositions are found to A) increase yields for pelagic aquaculture, B) increase carbon sequestration, and C) provide immediate relief from global warming by directly increasing surface albedo and indirectly by increasing cloud nucleation activity. A preferred composition comprises a mixture of inorganic salts and binders (such as a glass or ceramic) effective for increasing the growth of primary aquatic producers such as coccolithophorids, diatoms, silicoflagellates, dinoflagellates, and microalgae (and higher trophic levels) in a sustained-release composition having a T1 / 2 of 0.5-3 years. To validate resultant carbon fixation and sequestration, a vertical spar buoy is provided. The buoy is designed to resist wave motion while supporting a stable long-term platform and submerged spaceframe with laser particle counters suspended below the 100 year horizon. Validation of exsolation energy credits, issuance of an associated financial instrument, and trading markets for those instruments are also described.

The invention discloses a separation method of a raw material containing lead, and belongs to the technical field of separation of mixed materials containing lead. According to the separation method of the raw material containing lead, separation between lead and calcium is carried out as the core, separation between lead-calcium and zinc-magnesium is carried out in cooperation, and through circulation of sulfate and alkaline gas, it is implemented that on the premise that the raw material containing lead consumes a small account of sulfur, components of lead, calcium, magnesium and zinc are separated from one another and are transformed into products of lead carbonate, basic zinc carbonate, basic magnesium carbonate and calcium carbonate. According to the separation method of the raw material containing lead, by utilizing the difference between the capacity of dissolving lead and the capacity of dissolving calcium of a reaction fluid, the process of dissolving lead and the process ofcalcium oxide desulfurization in the raw material containing lead in the raw material containing lead are carried out synchronously, and it is implemented that lead and calcium in the same reaction fluid system are separated from each other.

The invention belongs to the field of agricultural production and discloses a sugar alcohol calcium magnesium zinc boron compound liquid fertilizer and a preparation method and application thereof. The liquid fertilizer is prepared from various mother solutions, a chelating agent, a plant growth regulator and surface active materials. The preparation method comprises the following steps: causing sugar alcohol to respectively react with calcium salt, magnesium salt, zinc salt and boric acid to prepare calcium, magnesium, zinc and boron mother solutions, then mixing the mother solutions according to a certain ratio, and adding the chelating agent to cause the mother solutions to carry out secondary chelating reaction; after a while, adding the plant growth regulator and the surface active materials into reaction liquid, uniformly mixing, and cooling to the room temperature to obtain the high-concentration, stable and good-effect compound liquid fertilizer. The prepared liquid fertilizer provides adequate calcium, magnesium, zinc and boron and other nutrients for plants and can also carry out mixing of different elements and proportions according to the needs of different plants and different growth stages of plants.

The invention is applicable to the technical field of fertilizer preparation, and provides a method for preparing a zinc-rich calcium magnesium nitrate fertilizer by utilizing by-product calcium nitrate of a phosphorus nitrate fertilizer. The method comprises the following steps: supplying by-product crude calcium nitrate from preparation of the phosphorus nitrate fertilizer; adding magnesium oxide or magnesium hydroxide and zinc oxide into the calcium nitrate, carrying out a neutralization reaction, and carrying out mixing so as to obtain a calcium magnesium zinc nitrate mixed solution; and successively subjecting the calcium magnesium zinc nitrate mixed solution to filtration, concentration and granulation treatment so as to obtain a water-soluble calcium magnesium nitrate granular fertilizer with rich trace element zinc. According to the invention, the by-product crude calcium nitrate of the phosphorus nitrate fertilizer is directly used as a calcium source, and no external calcium source is needed to be introduced, so the cost for the raw materials of the phosphorus nitrate fertilizer is effectively reduced; meanwhile, zinc oxide is introduced to participate the neutralization reaction, so the use of the calcium magnesium nitrate fertilizer is expanded; the content of trace elements in crops is supplemented; the color and the smoothness of fruit appearance can be increased; the quality and the yield of fruits are improved; and the grade of a fruit product is enhanced.

The invention provides a dry chemical reagent strip for detecting calcium, magnesium and zinc of breast milk simultaneously. Specifically, the dry chemical reagent strip is composed of a supporting layer and a detection reagent block. The detection reagent block is whatman filter paper where a detection reagent for detecting calcium, magnesium or zinc is adsorbed, and the detection reagent block is directly pasted to one end of the long-strip-shaped supporting layer. When the dry chemical reagent strip is specifically used, the other end of the supporting layer is held by hand, the detection reagent block is completely soaked in a to-be-detected sample (breast milk) and then taken out, and after a color is stabilized, the color is compared with a standard colorimetric card. The dry chemical reagent strip can detect the content of calcium, magnesium and zinc simultaneously without mutual influence, and the sample is not polluted. The detection process is efficient and simple, and resultdata are reliable.

The invention discloses a preparation method of a cerium-based polishing powder precursor for optical glass and liquid crystal display glass. In the preparation of the precursor, the invention purifies the raw material through physical and chemical methods, that is, firstly, the raw material lanthanum cerium salt is passed through Dissolve and filter to remove dust and other impurity particles in the raw materials; then by controlling the pH value of the precursor preparation between 5.5-7.5, the rare earth lanthanum and cerium are precipitated, while other metal elements such as calcium, magnesium, zinc, iron, Lead and the like do not form precipitates, which can be removed by washing and filtering, and the finally prepared polishing powder can be used for fine polishing of optical glass and liquid crystal display glass. The present invention also adds a composite precipitant composed of phosphate, fluoride, and carbonate during the preparation of the polishing powder precursor, and the particle morphology of the prepared polishing powder precursor is a uniform aggregate with moderate particle size and narrow particle size distribution. , the number of large particles is small. The polishing powder has a high cutting rate and a long service life. After grinding, there is basically no scratch on the glass and the surface finish is good.

The invention relates to a solid catalyst preparation and bio-diesel synthesis technology, in particular relates to a bio-diesel catalyst, and specifically relates to a bio-diesel catalyst Ca-Mg-Zn-Al-O and a preparation method thereof. According to the technical scheme adopted by the invention, Ca-Mg-Zn-Al hydrotalcite is firstly prepared by a co-precipitation reaction of nitrate solutions of calcium, magnesium, zinc and aluminum, which are in a molar ratio of n (Ca):n(Mg):n(Zn):n(Al):n(O) of (0.3-0.7):2:(0.3-0.7):1:(4.1-4.9), a sodium hydroxide solution and a sodium carbonate solution; the Ca-Mg-Zn-Al-O solid base catalyst is obtained by roasting at a high temperature. By utilizing the advantages of Ca-Al-O solid base catalyst, Mg-Al-O solid base catalyst and Zn-Al-O solid base catalyst and avoiding defects of the solid base catalysts, the invention provides Ca-Mg-Zn-Al-O solid base as well as a preparation method and application thereof in catalyzing and synthesizing bio-diesel.

The invention provides a dry chemical reagent strip for simultaneous determination of calcium, magnesium, and zinc in breast milk, specifically, it is composed of a support layer and a detection reagent block; the detection reagent block is whatman filter paper that absorbs and detects calcium, magnesium, or zinc detection reagents , the detection reagent block is directly bonded to one end of the strip support layer. For specific use, hold the other end of the support layer, completely soak the detection reagent block in the sample to be tested (breast milk), take it out, and compare it with the standard color card after the color is stable. The dry chemical reagent strip provided by the invention can simultaneously detect the contents of calcium, magnesium and zinc without mutual influence or contamination of samples. The inspection process is efficient and simple, and the result data is reliable.

The invention belonging to the field of medical technique relates to a metal salt of S-2-[S-N-[(S)-1-carboxyl-3-phenpropyl]-L-alanyl]-1, 2, 3, 4-tetrahydro-3-isoquinoline acid (quinaprilat) and a hydrate of the metal salt, a preparation method and applications in preparing medicines of curing high blood pressure. As proved by experiments, compared with the quinaprilat, the water solubility and stability of the metal salt of quinaprilat of the invention including salt and hydrate synthesized by the the metal salt of quinaprilat and one or two of ions of lithium, natrium, kalium, barium, calcium, magnesium and zinc, particularly the sodium salt, kalium salt, sodium potassium salt of the metal salt and the hydrate of the metal salt, is notably increased, and various clinically acceptable dosage forms can be easily produced.

The potassium fulvic acid type compound fertilizer containing the medium trace metal elements comprises the following raw materials in parts by weight: 95-99.9 parts of urea-containing type compound fertilizer particles and 0.1-5 parts of medium trace element powder, the content of amide nitrogen in the urea-containing compound fertilizer particles is greater than or equal to 15%; the medium trace element powder is in a sulfuric acid state, a nitric acid state and an oxidation state; the trace elements are two or more of calcium, magnesium, zinc, manganese, boron, iron, copper and molybdenum. The preparation process comprises the following steps: producing the compound fertilizer according to the existing production process flow, and granulating and cooling fertilizer particles to obtain coarse particles; uniformly mixing medium trace element raw materials in proportion; the coarse particles are placed in a coating kiln, 98% concentrated sulfuric acid is sprayed into the coating kiln in an atomized mode from a feeding port of the coating kiln, the spraying amount is 0.1% of the weight of the coarse particles, medium trace element powder is sprayed to the surfaces of the fertilizer particles from the interior to the tail of the coating kiln, and finished product particles are obtained. The finished particles are good in flowability, free of caking, simple in process and low in cost.

The invention discloses a cultivation method and a processing method of selenium-rich wheat containing trace elements of calcium, magnesium, zinc and iron. The selenium-enriched, calcium-magnesium-zinc-iron-iron-containing wheat cultivation method includes seed pretreatment, germination, soil preparation, sowing, and field management. The selenium-enriched, calcium-magnesium-zinc-iron-iron wheat cultivation method of the present invention promotes the growth of beneficial microorganisms in the soil, inhibits the occurrence of pathogenic microorganisms, improves the soil microbial environment, and obviously improves the color, mouthfeel and growth vigor of wheat. Growth, vitality and quality are all promoted, and wheat grains with complementary and balanced nutrients can be obtained.

The new thermoplastic resin pseudo-wood material can be got by the following steps: taking polychloroethylene as main material, light calcium carbonate as filler, adding elasticizer, stabilizer, lubricant, modifier as process adjuvants, and colorant, flavoring agent and activator to mix, granulate and extrusion mould, then surface treating them. Wherein blowing agent and elasticizer are azobisformamide, dioctyl phthalate; blowing modifier is ZB530; the flavouring agent is for flavouring; leadless heat stabilizer is calcium-magnesium-zinc compounds. The material not only is provided with the advantage of all old theromplastic resin pseudo-wood material, but also good plasticizing effect; homogeneous micropores; plump corners; smooth surface; the scent relieves slowly; environmental protection without toxic, especially for the hydrostatic pressure test adhesion craft, and the product surface is of colourful grain motif, natural and slight grain, resistance to abrasion, never decolour, acid / alkaliproof, no drop, no molding, and luxury. It can be used for house furnishings decorative construction material, as well as for high-grade luxury furnishing.