54 results about "Calcium deposition" patented technology

Methods for reducing calcium deposition along surfaces in contact with the water phase of a resolved water / oil emulsion are disclosed. High calcium crude oil and the like are contacted with a sequestrant to form a sequestered calcium containing complex that partitions to the water phase in the resolved emulsion. A specifically formulated polymeric deposit control agent is added to the water phase to inhibit calcium deposit formation therein and along surfaces in contact with the water phase.

The invention relates to a hydrotreating method of high-acid and high-calcium crude oil. The high-acid and high-calcium crude oil carries out hydrogenation reaction in a crude oil hydrogenation reaction area; obtained hydrogenation crude oil enters a normal-pressure tower and is fractionated to obtain normal-pressure naphtha, normal-pressure diesel and normal-pressure residue oil, wherein the normal-pressure residue oil and hydrogen gas enter a residue oil hydrogenation reaction area together to carry out the hydrogenation reaction; and reaction products are separated to obtain hydrogenationnaphtha, hydrogenation diesel and hydrogenation residue oil, wherein the hydrogenation residue oil is qualified catalytic cracking feeds. Through the method, after the high-acid and high-calcium crude oil is in hydrotreatment in the crude oil hydrogenation reaction area, acid materials and calcium in the crude oil can be efficiently removed, and therefore, corrosion of the acid materials to the normal-pressure tower can be avoided, and increase of pressure drop of a residue oil hydrogenation catalyst bed caused by calcium deposition can be avoided, and long-period safety operation of the normal-pressure tower and a residue oil hydrogenation reactor can be ensured.

The present invention relates to a horizontal radial type electrolytic method and apparatus, particularly wherein an electropad is set between the casing and the horizontal corresponding surface of the base and a water intake is provided at the center of the electropad. The raw water flows-in directly from the water intake and flows off outwards in a manner of horizontal radiat pervasion. During electrolysis, an acidic aqueous layer and an alkaline aqueous layer are respectively formed at parallel sides of anode electropad and cathode electropad. Two water exit routes are set at places correspondin to the electropad at the casing and the base, thereby the acidulous water and the alkaline water are discharged in splitted streams. The present invention is capable of depressing electroanalysis cost and resolving effectively problems of remaining water breeding bacilli and remaining water accelerating calcium deposition.

The invention provides a health care medicinal liquor for strengthening muscles and bones, and the health care medicinal liquor is prepared through repeated clinical test verification. The health care medicinal liquor accords with the principles of the traditional Chinese medicine. The health care medicinal liquor is prepared from the following raw traditional Chinese medicine materials: seeds ofChinese dodder, lotus stamen, herba epimedii, eucommia ulmoides, fructus psoraleae, cynomorium songaricum, cornu cervi degelatinatum, teasel roots, fructus ligustri lucidi, rhizoma cibotii, drynaria rhizome, centipedes, obscured homalomena rhizome, dog bones, chicken shells, pawpaw, fruit of Chinese wolfberry, poria cocos, schisandra chinensis, gentiana macrophylla, seeds of Chinese milk vetch, polygonum multiflorum, antler glue and raspberries. After being taken, the health care medicinal liquor has the functions of efficiently enhancing the bone mass, improving the bone quality, maintainingthe integrity degree of the microstructure of the bones, enhancing the activity of bone cells, and promoting the calcium deposition. The health care medicinal liquor can be used for relieving the pain of the waist, the back and the limbs, improving the microcirculation, increasing the bone density, adjusting the functions of the hypothalamus pituitary gland gonad, and improving the disorder status of the bone adjusting hormone and the cell factors in the metabolic process of the bones.

The invention relates to strontium chondroitin sulfate and a preparation method thereof. The molecular formula of the strontium chondroitin sulfate is H2O(C14H19NSrO14S)x, wherein x is an integer of 60-100. According to the strontium chondroitin sulfate, the problems of petechiae and hematoma caused by calcium deposition of blood vessel parts and blood capillary parts can be avoided, and osteoporosis and osteoarthritis can be better treated in an aid way.

The invention provides a preparation method of a degradable magnesium alloy and degradable polymer composite. Degradable magnesium or a degradable magnesium alloy is taken as a metal substrate and processed, and three-dimensional through pores in different shapes and with different porosity are densely formed in the metal substrate adopting the degradable magnesium or the degradable magnesium alloy. The degradable magnesium or the degradable magnesium alloy is taken as a substrate material and tightly combined with a degradable polymer through the crossed through three-dimensional pores, the overall mechanical properties of the composite are far higher than those of a single degradable polymer, the composite can meet requirements of most applications such as bone filling, bone repair, bone transplantation and the like, the medical magnesium or the medical magnesium alloy is degraded in a human body fluid corrosion environment, calcium deposition and osteocyte formation can be promoted, bone healing can be accelerated, and the biological activity is improved; the composite can form porous tissue automatically in a degradation process, ingrowth of new bone tissue and propagation of osteocytes are facilitated, and rehabilitation time of bone tissue is shortened.

The invention discloses a composite phosphorus-based calcification inhibitor for inhibiting anaerobic granular sludge calcification and an application method, and relates to the field of industrial wastewater treatment. The calcification inhibitor is prepared from, by mass, 40-85 parts of phosphoric acid, 10-25 parts of sodium tripolyphosphate and 5-25 parts of sodium pyrophosphate. The calcification inhibitor is added into inlet water of an anaerobic reactor according to a calcium-phosphorus ratio (mass ratio) of (20-35):1 in a high-calcium-content wastewater anaerobic granular sludge treatment system, so that free calcium ions are inhibited from forming calcium deposition in granular sludge, and the activity of the anaerobic granular sludge is maintained. Calcium is actively prevented from being deposited and calcified and inactivated in a sludge core, the anaerobic reactor does not need to discharge sludge or scale removal, the problem that the treatment capacity of an anaerobic reaction system is reduced due to sludge calcification and inactivation in high-calcium-content wastewater treatment in the fields of waste paper pulping, food processing, landfill leachate, fermentationwastewater and the like is effectively solved, and the composite phosphorus-based calcification inhibitor and the method have remarkable application value.

The invention discloses a biochemical treatment method for high calcium and high magnesium waste water. The biochemical treatment method comprises the following steps: S1) waste water pretreatment, S2) biological calcium-removal magnesium-removal anaerobic reaction, S3) pH value adjusting and biochemical calcification, magnesiation treatment, and S4) deposition and discharge of calcification and magnesiation sludge. The invention also discloses an apparatus for high calcium and high magnesium waste water. The biochemical treatment method can reduce the calcium ions and magnesium ions content in the waste water with high efficiency as well as reduce the calcium hardness in the waste water; simultaneously can reduce partial COD, increases B / C ratio, and increases the biodegradability of the waste water; avoids generation of calcium deposition phenomenon during a waste water treatment process, prevents corrosion and obstruction of pipeline equipment, and reduces influence of the calcium ions and the magnesium ions to activated sludge performance and nitrogen removal function of a biological treatment A / O system. The method has the advantages of simple process, easy operation, low requirements of technology condition, and easy control. The apparatus has the advantages of high system stability, simple structural setting, and wide application scope.

The invention provides an ophthalmic medical material, which is a hydrophobic polymer material with no flash point, no surface whitening, no calcium deposition and water content not higher than 1.5%,and is a medical implant material suitable for treating cataract, myopia and hyperopia.

The invention discloses an efficient calcium mineralizing bacterium and an application thereof, and belongs to the field of microorganisms. The bacterium disclosed by the invention is bacillus cereusEMCa1. The strain is in a short rod shape, and is in a short or long chain, the size of the bacterium is about (1.0-1.2) x (3.0-5.0) [mu]m, the strain is a gram staining positive bacterium, white circular bacterial colonies appear after the strain is cultured for 24 h on an LB agar plate culture medium at 30 DEG C, a diameter is about 5-7 mm, the edge is irregular, and the bacterial colony surfaceis like wax. The induced calcium carbonate deposition characteristic of the strain is as follows: after 20 days of culture, the strain can convert free calcium ions in a coral sand solution into a calcium carbonate precipitate, and in a calcium carbonate deposition experiment, the concentration of calcium ions is reduced from 36.9 mg / L to 7.19 mg / L, and the proportion of calcite in coral sand isincreased from 2% to 20%. According to the efficient calcium mineralizing bacterium and the application thereof, calcium ions can be mineralized to generate calcium carbonate, so that the efficient calcium mineralizing bacterium is applied to the restoration of stone cultural relics.

The invention discloses a method for researching sand soil solidification effects by carbonic anhydrase mineralization bacteria. The method includes the steps: firstly, solidification sample preparation; secondly, direct shear experiment; thirdly, calcium carbonate content measurement; fourthly, X-ray diffraction experiment sample preparation; fifthly, electron scanning microscope experiment sample preparation. According to the method, the solidification effects of different grouting modes are explored, sand soil solidification experiments of factors such as calcium source kinds, solidification environment temperature, consolidating fluid concentration and particle diameter are implemented, the solidification effects are compared, and the modes, the concentration and the like with optimalsolidification effects are preferentially selected. The solidification effects of a solidification sample are represented by comparing and analyzing shearing strength and calcium carbonate depositionof the solidification sample under different conditions, a crystal form of calcium carbonate is acquired by an X-ray diffraction instrument, and a microscopic image of the solidification sample is observed by a scanning electron microscope.

The invention discloses a composite decalcifying agent for calcified anaerobic granular sludge and a decalcifying regeneration process. The composite decalcifying agent comprises the following components in parts by mass: 40-85 parts of phosphoric acid, 10-25 parts of sodium tripolyphosphate and 1-10 parts of sodium lignin sulfonate. The composite decalcifying agent is added into inlet water of ananaerobic reactor according to the calcium-phosphorus mass ratio of (10-25):1 in a high-calcium-content wastewater anaerobic granular sludge treatment system, so that free calcium ions are inhibitedfrom forming calcium deposition in granular sludge, calcium deposition is promoted to form chelate to return to a wastewater phase, and then decalcification regeneration of the calcified anaerobic granular sludge is realized. According to the composite decalcifying agent and the process, deposition of calcium in the sludge core is actively prevented, and chelation and dissolution of calcium deposition are enhanced, so that the anaerobic reactor does not need sludge discharge or descaling, the problem that the treatment capacity of an anaerobic reaction system is reduced due to sludge calcification inactivation in high-calcium-content wastewater treatment in the fields of waste paper pulping, food processing, landfill leachate, fermentation wastewater and the like is effectively solved, andthe composite decalcifying agent and the process have remarkable application value.

The present invention discloses a new medical use of a growth hormone release hormone (GHRH) agonist, particularly applications of a growth hormone release hormone agonist in preparation of anti-vascular calcification drugs. According to the present invention, GHRH-A can increase the cAMP level and the protein kinase A (PKA) activity in smooth muscle cells, can decrease the expression and the activity of NAPDH oxidase in smooth muscle cells, can decrease the ROS level in smooth muscle cells, can decrease the expression and the activity of Runx2 in smooth muscle cells, can decrease the expression and the activity of alkaline phosphatase (ALP) in cells, and can decrease the inorganic phosphorus content in blood so as to reduce the calcium deposition and the phosphorus deposition in aorta, reduce the activity of ALP in aorta, and achieve the purposes of treatment or prevention of vascular calcification and arteriosclerosis.

The invention provides a composition preparation prepared from donkey-hide gelatin and milk mineral salt as key raw materials and capable of enhancing the absorption of calcium and deposition of calcium to increase the bone density and a preparation method thereof. The composition preparation capable of increasing the bone density comprises the following substance components: 16 parts of donkey-hide gelatin, 16 parts of milk mineral salt, 16 parts of dextrin, 38 parts of lactose, 10 parts of sucrose, 1 part of microcrystalline cellulose, 2 parts of pre-gelatinized starch and 0.5 part of chocolate flavor. According to the composition preparation, donkey-hide gelatin has the osteoblast multiplicating effect so that the calcium intake and calcification capacity of osteocytes can be greatly increased and the donkey-hide gelatin is rich in amino acids and thus the absorption of intestinal calcium can be effectively improved; since milk mineral salt contains high-content natural calcium and phosphorus which are easily absorbed and of which the ratio is 2:1, and has the same ratio as that of human skeleton, the calcium deposition is conductively promoted.

The invention discloses a pulp pH meter intermittent flushing device based on automatic control and a use method of the pulp pH meter intermittent flushing device. The pulp pH meter intermittent flushing device comprises a pH meter (1), a pulp mixing device (2) and a flushing groove (3) and further comprises a driving mechanism capable of driving the pH meter to move back and forth between the pulp mixing device and the flushing groove. A measuring point position switch (4) is arranged in the pulp mixing device. A first limiting position switch (5) is arranged above the slurry mixing device, asecond limiting position switch (6) is arranged above the flushing groove, and a flushing point position switch (7) and a flushing groove position switch are arranged in the flushing groove. The pulppH meter intermittent flushing device based on automatic control and the use method of the pulp pH meter intermittent flushing device have the beneficial effects that a conventional pulp PH detectionmethod can be replaced, the problems that in a conventional detection method, due to PH meter dirt or surface calcium deposition, the PH value error is large, and detection is not accurate and not intime can be solved, the detection frequency can also be adjusted according to practical conditions, the pulp PH value is measured in time, and the quality and the recovery rate of concentrate products are ensured.

A portable ultrasonic descaling device provides an improved method to remove calcium deposits and stains from the surfaces of swimming pools and other structures in contact with water. The handheld device comprises a water-resistant housing, within which are mounted an ultrasonic transducer, a fluid pumping system, a cleaning blade, a controller, and a power source. The ultrasonic transducer drives both the pumping system and the cleaning blade. The fluid pumping system draws fluids from a water source and through the device, cooling the transducer, cleaning blade, and surfaces being descaled by fore mounted spray nozzles. The power source comprises batteries to power the device. Lighting may also be fore-mounted for illumination and is connected to the circuitry along with a visual indicator. Direct contact of the calcified buildup with the oscillating cleaning blade and water spray from the nozzle heads causes breakdown of the deposits by cavitation.

The invention relates to the technical field of traditional Chinese medicine extraction, and in particular relates to a preparation method of herba epimedii extract and the prepared extract. Accordingto the technical scheme, herba epimedii liquid obtained by water decoction extraction is subjected to separation and purification through macroporous adsorption resin and industrial chromatography (DAC250). The detection shows that the extract prepared by adopting the method contains 90-95 wt% of flavonoid compounds. The experiment shows that the extract can obviously improve the AKP and / or StrACP level, promote the calcium deposition, improve the bone density value, and increase the number of bone trabecula, therefore, the effect of improving osteoporosis is achieved, and the effect in improving osteoporosis of the extract provided by the invention is obviously superior to that of the herba epimedii extract prepared by adopting other methods, wherein P is smaller than 0.05.

The invention provides a method for mild and massive preparation of mineralization silk fibroin films. The method comprises the steps of silk fibroin film preparation, silk fibroin film enzyme solution preprocessing, phosphate deposition and calcium deposition so that the silk fibroin films with the completely-mineralized surfaces can be obtained. The obtained mineralization silk fibroin films can be used for bone repair materials for cartilage repairing, periosteum repairing, ligament repairing and the like. According to the method, no repeated soaking is needed, the preparation process is simple, the preparation conditions are mild, and the most preparation processes are performed at the temperature of 37 DEG C; the obtained mineralization area is large, the quantity is large, and the shape is controllable.

The invention discloses a bone repair scaffold material capable of mediating nervalization and a preparation method and application thereof. The preparation method comprises the steps that heterologous expression bone matrix fusion protein is adsorbed into calcium and magnesium doped mesoporous bioactive glass prepared through a sol-gel and template self-assembly method to serve as an inner core; nerve growth factors capable of promoting nerve growth are loaded into silk protein to serve as a shell, and then the bone repair scaffold material which is of a core-shell structure and can be used for mediating nervalization is prepared through a coaxial electrostatic spinning technology. The bone repair scaffold material capable of mediating the nervalization has good cell compatibility, osteogenic activity, neurogenic activity and calcium deposition promotion effects, can promote proliferation, differentiation and mineralization processes of bone marrow mesenchymal stem cells in the osteogenic direction, can also promote the survival process of neurons, as a bone repair material, the material has a wide prospect in clinical application of repairing bone defects and restoring consciousness of injured parts.

The invention discloses a method for promoting anaerobic reaction and inhibiting calcification by pre-acidifying high-calcium papermaking industrial wastewater with whey. The method comprises the following steps: before carrying out anaerobic treatment on the papermaking industrial wastewater, mixing cheese whey with the papermaking industrial wastewater to carry out pre-acidification treatment onthe papermaking industrial wastewater. The method can be used for treating two kinds of high-concentration wastewater difficult to degrade at the same time; pretreatment with acidification is adoptedto allow the high-concentration wastewater to generate stable anaerobic reaction performance under the condition of a high organic load; the dynamic balance between acidification is ensured, the pH value is low and stable, the anaerobic reaction of the papermaking industry wastewater is promoted, the anaerobic methanogenesis efficiency of the wastewater is improved, and the serious calcium deposition phenomenon at the high pH value can be inhibited so as to effectively slow down the granular sludge calcification.

The invention discloses an application of procyanidin in regulation and control of stem cell functions in a pathological microenvironment of tendon diseases, and provides a preparation method of procyanidin SA hydrogel and an application of the procyanidin SA hydrogel in treatment of tendon ectopic calcification. Based on the application, the invention proves that: the addition of the procyanidininto tendon stem / progenitor cells does not influence cell proliferation, and can effectively inhibit the calcium deposition of the tendon stem / progenitor cells and the subsequent potential for treating tendon diseases. Through Micro CT, hematoxylin-eosin staining, crocus sativus-solid green staining, collagen II and osteocalcin (OCN) immunohistochemical staining, the situation of the procyanidin SA hydrogel for treating tendon ectopic calcification is detected. The invention finds and proves that the procyanidin SA hydrogel can effectively inhibit tendon ectopic calcification. Meanwhile, the administration route of sustained-release administration can reduce corresponding side effects generated by systemic administration while improving the local drug concentration, and has a clinical application prospect.

The invention discloses a preparing method of a calcium nutrient supplement, and belongs to the field of biochemical engineering and food additives. The method includes the steps of hydrolyzing caseinas the raw material through trypsin to obtain casein phosphoeptide, making the casein phosphoeptide react with octacosanol and calcium phosphate under the effect of acid phosphatase, and conducting phosphate esterification to form the calcium nutrient supplement (casein phosphoeptide-octacosanol ester-calcium phosphate CPP-OOL-ACP). The prepared calcium nutrient supplement (CPP-OOL-ACP) has the calcium content of 0.7% or above and the casein phosphoeptide and calcium chelating rate of 96%, is solid-state light yellow powder at normal temperature, is odorless, can be dissolved in water, and can effectively promote the calcium absorption and calcium deposition in bones, improve the bone density and increase the bone strength.

The invention belongs to the technical field of hydrometallurgy, and discloses a method for reducing calcium sulfate deposition in a P204 extraction and impurity removal process. According to the method, extracted P204 loaded with an organic phase is washed; the washing process comprises primary washing and secondary washing; in the primary washing process and the secondary washing process, water and hydrochloric acid are both added into P204 loaded with the organic phase; in the primary washing process, the flow rate of water is V1 and the flow rate of hydrochloric acid is V2; in the secondary washing process, the flow rate of water is V1' and the flow rate of hydrochloric acid is V2'; the ratio of V1 to V2 is (8-12):1; and the ratio of V1' to V2' is (4-6):1. According to the method, sulfate radicals carried in the organic phase can be reduced, and then the problem that the sulfate radicals are combined with Ca<2+> in the washing process can be avoided; and calcium sulfate can be prevented from reaching the saturation concentration in the washing process, and then the precipitation of calcium sulfate can be reduced.

The invention discloses a high-calcium emulsion for pet joint repair and a preparation method thereof; the high-calcium emulsion consists of the following components in parts by mass: 6-8 parts of xanthan gum, 7-9 parts of guar gum, 2-4 parts of diglycerin fatty acid ester, 2-4 parts of glucosamine hydrochloride, 5-7 parts of calcium phosphate, 4-6 parts of vitamin E, 6-10 parts of glucose, 7-9 parts of sodium carboxymethyl cellulose, 3-5 parts of chondroitin sulfate, 4-6 parts of vitamin A, and 3-5 parts of carrageenan. According to the medical theory formula, the high-calcium emulsion is prepared according to a certain weight ratio and by applying a scientific production process; while efficiently supplementing calcium for pets, the high-calcium emulsion also can promote calcium deposition in bones, protects health of cartilages and a bone matrix, and can more effectively repair the pet joints and increase the bone density.

The invention relates to a method for increasing calcium of laying hens in an expected laying period. The method comprises the following steps that 5% of premix is provided for the laying hens, and the recommended square stone powder content of the premix is gradually increased from 15 weeks, so that the daily ration stone powder content is gradually increased to 8 - 8.5% in percentage by mass in 22 weeks from 0.8 - 1.2% in percentage by mass in 15 weeks. Marrow bone development and calcium deposition in about 16 weeks are considered, an addition amount of stone powder is gradually increased in advance from 15 weeks, transition is finer, calcium nutrition is more accurate, feed changing stress is reduced, chicken diarrhea is reduced, and the situation that the laying rate is rapidly increased and calcium supply cannot be achieved in the peak period of chicken flocks is avoided.

The invention discloses a recycling method for high-hardness high-salinity recycled paper paper-making wastewater. Firstly, pre-softening treatment is carried out on high-hardness wastewater by usinglime powder, and efficient interception is carried out on divalent ions and multivalent ions in the wastewater by using a membrane separation method to remove calcium, magnesium, silicon, sulfate radical and other ions. In the process of using the membrane separation method, the characteristics of the ions in the wastewater are changed by using an electromagnetic method, thereby changing deposition speed of calcium carbonate and physical characteristics of deposition to prevent the formation of hard scale so as to greatly reduce the possibility of the scale formation, the separation effect isgood, the inner treated sewage is recycled, the purification treatment pressure of the sewage is reduced, the out-emission of the sewage is reduced, and the production process is cleaner and more environmentally-friendly.

The invention relates to the technical crossing field of microorganisms and environmental engineering, and particularly discloses a biochemical composite material as well as a preparation method and application thereof. Wherein the biochemical composite material comprises a urease-producing strain and a sustainable material carrier, the urease-producing strain is preserved in Guangdong Microbial Culture Collection Center on March 15, 2021, and the preservation number is GDMCC NO: 61559. According to the invention, urease-producing strains capable of promoting microorganism-induced calcium carbonate deposition are screened out; the biochemical composite material disclosed by the invention has the advantages of high urease production capacity, optimal bacterial reproduction capacity and high resistance to a heavy metal environment, and is beneficial to repairing heavy metal polluted soil; the corncob powder is adopted as a continuous material carrier, the cost is low, and the corncob powder serving as the carrier has an extremely high promoting effect on enrichment of urease-producing strains in soil and calcium deposition induced by the strains.