72results about How to "Reduce calcium concentration" patented technology

There is provided an aqueous liquid pharmaceutical composition which comprises Gatifloxacin (chemical nomenclature: (±)-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinoline carboxylic acid) or its salt and disodium edetate. Further, there are provided a method for raising corneal permeability of Gatifloxacin, a method for preventing precipitation of Gatifloxacin crystals, and a method for preventing coloration of Gatifloxacin by incorporating disodium edetate into an aqueous liquid preparation containing Gatifloxacin or its salt.

The present invention includes processes to create wormholes in carbonate reservoirs by contacting a formation with a solution comprising glutamic acid N,N-diacetic acid (GLDA) and/or a salt thereof, methylglycine-N,N-diacetic acid (MGDA) and/or a salt thereof, or a combination thereof. The present invention also includes processes to remove wellbore damage in a carbonate reservoir by contacting a damaged zone of the carbonate reservoir with a solution comprising GLDA and/or a salt thereof, methylglycine-N,N-diacetic acid (MGDA) and/or a salt thereof, or a combination thereof. The present invention further includes solutions comprising a salt and further comprising GLDA and/or a salt thereof, methylglycine-N,N-diacetic acid (MGDA) and/or a salt thereof, or a combination thereof.

The invention discloses a selective zinc oxide leaching and weak acidic zinc sulfide flotation smelting and selection combining process. For oxygen and sulfide mixed lead zinc ore, a zinc wet-method smelting process and a zinc flotation process are combined, zinc oxide in the ore is partially and selectively leached out by the first wet-method smelting process, and then zinc sulfide in the ore is floated out by the flotation process. In order to overcome the difficulty in treating the oxygen and sulfide mixed lead zinc ore, the invention provides the smelting and selection combining process which is short in process flow, reliable in technology, easy to operate and control, relatively low in material consumption and energy consumption for production, high in metal reclaiming efficiency, relatively good in economic benefit and high in practicability, the recovery of lead and zinc in the low-grade complex difficultly-selected oxygen and sulfide mixed lead zinc ore can be greatly improved, and the total recovery of lead and zinc can be up to over 90 percent.

The present invention discloses a coronary artery medicine coating scaffold for inhibiting endometrial hyperplasia and preventing restenosis in the scaffold. It includes dilating scaffold base body and inner coating layer coated on the dilating scaffold base body, the above-mentioned inner coating layer is formed from medicine carrier and ligustrazine, their mass ratio is 3:1-1:3, the above-mentioned inner coating layer is one of methyl acrylate, methyl methacrylate copolymer, polylactic acid, polyglycollic acid, polymonoracemic lactic acid, polylactide-diglycolide polymer, phosphorylcholine, ethyl polyurethane inorganic micropore aluminium oxide and cellulose or their composite.

The invention belongs to the technical field of zero discharge of desulfurization wastewater from power plants. A device capable of realizing zero discharge of desulfurization wastewater is characterized by comprising a raw water regulating pond, an alkalization module, a sludge separating and recycling module, a calcium removal module, a reduction module and a curing module; the desulfurization wastewater flows into the alkalization module for a flocculation reaction after the volume is adjusted by the raw water regulating pond, magnesium and sulfate radical ions in the desulfurization wastewater are deposited to form floccule, the flocculated desulfurization wastewater flows into the sludge separating and recycling module for sludge sorting, the sorted sludge is treated separately, the sorted desulfurization wastewater is subjected to salinity testing, the low-salinity desulfurization wastewater flows back to a desulphurization island, the high-salinity desulfurization wastewater flows into the calcium removal module, so that the concentration of calcium ions in the desulfurization wastewater is reduced, and water is softened; the pH of outflow water from the calcium removal module is regulated until the water is neutral, and the water flows into the reduction module which adopts a nanofiltration system and a reverse osmosis system for desalination. The device can realize zero discharge of the desulfurization wastewater.

The invention discloses a compound traditional Chinese medicinal extract, which comprises (by weight ratio) epimeddium 1167, dipsacus root 167, root of red rooted saliva 83, anemarrhena rhizome 83, psoralea fruit 83, dried rehmannia root 83, and right amount of pharmaceutically acceptable adjuvant or base material. The compound can be prepared into the dosage form of soft capsule, emulsifying tablet and dressed dispersing tablet, which can be used for treating women's climacteric osteoporosis and senile dementia.

The invention provides a polyaspartic-acid-containing architectural retarder and a preparation method thereof. The preparation method comprises the following steps: carrying out esterification reaction on polyaspartic acid and unsaturated alcohol, and carrying out copolymerization reaction on the esterification reaction product, unsaturated carboxylic acid, unsaturated sulfonic acid and the like to obtain the architectural retarder. The architectural retarder has the aspartic acid structure, and thus, can lower the calcium ion concentration in the concrete system and inhibit the ettringite structure from formation, thereby achieving the effects of setting retarding and plasticity maintaining.

The purpose of the present invention is to provide a dialysis agent A, which is able to set the total acetate ion content in the dialysate to a low value, excellent in storage stability of glucose, able to reduce the acetic acid odor, and able to suppress the corrosion of the dialysate delivery system and the dialysis machine, as well as to provide a two pack type dialysis agent utilizing the dialysis agent A.

In the dialysis agent A used in the preparation of a bicarbonate dialysate, which is used as one part of a two pack type dialysis agent, it becomes possible to prepare a bicarbonate dialysate having the total acetate ion concentration of between 2 mEq/L or more and less than 6 mEq/L by allowing to include glucose, acetic acid and acetate salt and to satisfy the molar ratio of 1:0.5 to 2 of acetic acid and acetate salt, and include acetic acid and acetate salt in a total amount of between 2 mEq or more and less than 6 mEq in the dialysis agent A required to prepare 1 L of the bicarbonate dialysate. Moreover, according to the dialysis agent A, in addition to the excellent stability of glucose, it is possible to reduce the acetic acid odor, and furthermore possible to suppress the corrosion of the dialysate delivery system and the dialysis machine.

The present invention discloses a limestone-gypsum wet flue gas desulfurization synergist, which comprises, by weight, 70-90 parts of an organic acid salt, 5-20 parts of an organic anhydride, and 5-15 parts of a surfactant. According to the present invention, the type of the component of the desulfurization synergist is simplified while the obtained synergetic desulfurization effect is good; due to the excellent and stable desulfurization effect, under the same conditions, the used raw materials are less, the production cost of the enterprise is low, and the performance price ratio is high; and the sodium diacetate accounting for the absolute proportion in the desulfurization synergist components is the internationally-recognized efficient, safe and inexpensive food additive, and has characteristics of good safety and good environmental protection during the production process, the storage and transportation process, the use process and other processes.

The present invention discloses uses of treating, preventing or improving bone diseases by Lactobacillus or a composition including the Lactobacillus. The Lactobacillus and compositions can increase the blood calcium concentration, the trabecular bone volume density (BV/TV ratio), the trabecular thickness (Tb.Th), the trabecular number (Tb.N) and the bone mineral density (BMD) of a subject, and reduce trabecular spacing (Tb.Sp) of the subject. Further, the present invention discloses a method for treating a subject diagnosed with a bone disease, comprises steps of identifying the subject having the bone disease, and administering to the subject an effective amount of a composition including at least one of Lactobacillus plantarum GKM3 and Lactobacillus paracasei GKS6, wherein the Lactobacillus plantarum GKM3 is deposited in China General Microbiological Culture Collection Center (CGMCC) with a deposition number of CGMCC 14565 on Aug. 25, 2017, and the Lactobacillus paracasei GKS6 is deposited in CGMCC with a deposition number of CGMCC 14566 on Aug. 25, 2017.

Provided modified aluminate cement is prepared from the following raw materials: aluminate cement, titanium-silicon micro-nano capsules, magnesium oxide, a phosphate, fly ash, modified acrylic emulsion and an activating agent, wherein the titanium-silicon micro-nano capsule is prepared from orthosilicate and titanate under the conditions of a surfactant and alkalinity. The aluminate cement prepared by the invention is wide in raw material source and simple in preparation method, has good high-temperature resistance, wear resistance, sulfate corrosion resistance, adhesion, crack resistance, freezing resistance, seepage resistance, corrosion resistance and aging resistance, also has good effects of adsorbing and degrading formaldehyde and organic pollutants due to the TiO2 structure, plays agood role in environmental protection, ensures the safety as a structural part, and has a wide application prospect.

The invention discloses a composite cement admixture, and belongs to the technical field of cement process admixtures. The grinding aid is prepared from the following raw materials in parts by weight:20-30 parts of a compound alcohol amine component, 10-15 parts of isooctyl alcohol phosphate, 4-8 parts of molasses, 4-8 parts of an emulsifying dispersant, 5-10 parts of triethylene glycol, 3-5 parts of an accelerant and 50-70 parts of water. The isooctanol phosphate and the composite alkylol amine component are in synergistic interaction, so that the grinding aid is small in mixing amount and good in grinding aid effect, and the 3d and 28d compressive and flexural strength of cement can be remarkably improved under the mixing amount of 0.01%; in addition, the raw materials are easy to obtain, and the preparation method is simple and suitable for popularization and application.

The invention discloses a rice OsCASP1 gene; the sequence of the gene is shown as SEQ ID NO.1; the encoded protein of the rice OsCASP1 gene contains four transmembrane structural domains; and the sequence of the encoded protein is shown as SEQ ID NO.2. In the technical scheme of the invention, an OsCASP1 over-expressed transgenic strain is constructed; and the fact that the over-expressed strain enhances the calcium tolerance under a high-calcium condition is found. OsCASP1 over-expression can induce early-stage formation of a root tip casparian band; accumulation of calcium in stems is selectively reduced; and therefore the adaptability of rice to the high-calcium environment is improved. According to the invention, the understanding of the relationship among the formation of the casparian band, calcium absorption and calcium tolerance in rice is enhanced; and a method for obtaining a high-calcium-tolerance material is provided for preventing and treating heavy metals.

The invention discloses a cement anti-erosion agent for high-pressure jet grouting and a use method thereof. The cement anti-erosion agent is prepared by mixing the following raw materials in parts byweight: 65-93 parts of aluminum-containing inorganic salt, 5-12 parts of a thickening agent, 2-5 parts of a mineral admixture and 7-18 parts of an excitant. The anti-erosion performance of cement slurry with a high water-cement ratio can be improved under a low mixing amount by the cement anti-erosion agent; the cement slurry has low fluidity and long initial setting time, a large-diameter cement-soil pile can be formed in a large-gap loose stratum, the long initial setting time facilitates construction operation of inserting a precast pile after the cement-soil pile is formed, loss of cementmaterials can be effectively avoided, and the construction is easy.

According to the invention, the affinity of VDAC3 protein on oxalic acid or calcium salt is proved by experiments. The calcium concentration can be reduced due to formation of organic acid calcium, such as calcium oxalate and the like, and related phenomena, such as spasm and the like, can be caused by reduction of the calcium concentration and the hard and insoluble organic acid calcium salt. Continental or offshore earthquake can be predicted accurately according to inhibition behavior activities and abnormal phenomena that animals suffer from spasm, refuse food, cannot stand and are easy to capture, water birds refuse to go in the water, and seabirds fear spasm and fly towards the mainland; therefore, the invention also provides application of the VDAC3 polypeptide to earthquake prediction, and a simple, convenient and effective earthquake prediction method is established and has great benefit of preventing and reducing natural hazard in the country and even the world.

The invention relates to the technical field of nano-material preparing, in particular to a preparing method of nano-hydroxyapatite. According to the preparing method, firstly birch bark fiber is decomposed through alkali boiling, later microorganism degradation intake is better facilitated, acetobacter xylinum is cultured, bacterial cellulose is obtained, and a calcium ion precursor is anchored to nano bacterial fiber; next, under the effect of ammonium hydroxide, phospholipid and lecithin are hydrolyzed, the hydrolysis product, calcium ions anchored to the surface of a bacterial cellulose template, nano-hydroxyapatite ions and hydroxyl groups are slowly combined to generate crystal nucleuses, as time passes, the crystal nucleuses gradually grow, the nanoscale space of the bacterial cellulose template can stop agglomeration of the nano-hydroxyapatite ions, by controlling the pH and adding citric acid, the purpose of lowering the concentration of calcium ions is achieved, the aqueous phase homogeneous precipitation kinetic constant is changed, in the in-situ crystallization process, nano-hydroxyapatite with a small size tends to be formed, and nano-hydroxy calcium phosphate is obtained after calcination. The preparing method of nano-hydroxy calcium phosphate is wide in application prospect.