103results about How to "Convenient dosage" patented technology

A method for controlling iron scale structures of hot-rolled steel bars by stepped cooling belongs to the technical field of steel rolling. Compact iron scale structures are obtained through optimization of a rolling and cooling process, so that a problem that steel bars produced by a post-rolling forceful through-water process are fast in corrosion rate and serious in corrosion degree in atmosphere is solved, and a goal that rust is relieved within a period of time is achieved. By adopting a stepped cooling process and the method for controlling the iron scale structures, provided by the invention, a traditional through-water cooling process can be replaced, so that mechanical property of an HRB400 (hot-rolled ribbed bar)-grade steel bar with phi 20 to 25 mm of a typical specification meets requirements of various technical indexes of GB 1499.2-2007; meanwhile, when being delivered to a cooling bed, each of all hot-rolled high-strength steel bars produced by adopting the stepped cooling process does not have a surface red Fe2O3 rust layer; shown by SEM (scanning electron microscope) analysis, iron scale is 10 to 30 [mu]m thick; after staying for one month in the open air, corrosion area of a sample is reduced by 50 percent in comparison with that of a steel bar produced by a traditional forceful through-water process.

The present invention provides modified heavy calcium carbonate for a fire retardation electric cable material. The modified heavy calcium carbonate is prepared from the following raw material components, by weight: 95-100 parts of calcium carbonate, 1-2 parts of octylphenol polyoxyethylene ether, 0.2-0.3 part of peregal O, 1-1.5 parts of dioctyl maleate, 0.2-0.4 part of zinc stearate, 0.1-0.2 part of magnesium oxide, 0.1-0.3 part of polyethylene wax, 0.1-0.4 part of an ultraviolet absorber UV-P, 1-2 parts of chitosan, 1-1.5 parts of polyphosphoric acid, and 2-3 parts of methyltriethoxysilane. The preparation method comprises: drying calcium carbonate, adding other raw materials according to the ratio, completely mixing in a high speed stirrer, and carrying out drying and grinding to obtain the finished product. The obtained modified calcium carbonate has characteristics of good dispersity and good ultraviolet resistance, and can be used for fire retardation electric cable materials so as to reduce cost and improve various processing performances of the electric cable material.

The present invention provides modified heavy calcium carbonate for a fire retardation electric cable material. The modified heavy calcium carbonate is prepared from the following raw material components, by weight: 90-100 parts of heavy calcium carbonate, 0.2-0.5 part of butyl naphthalene sulfonate, 0.5-0.8 part of sodium alcohol ether sulphate, 1-2 parts of epoxidized triglyceride, 0.1-0.2 part of stearic acid, 0.1-0.2 part of barium stearate, 0.2-0.3 part of dimethicone. 1-2 parts of carboxymethyl cellulose, 0.6-0.8 part of alumina, 1-3 parts of triphenyl phosphate, and 1-2 parts of distearoyl isopropoxy aluminate. The preparation method comprises: drying calcium carbonate, adding other raw materials according to the ratio, completely mixing in a high speed stirrer, and carrying out drying and grinding to obtain the finished product. The obtained modified calcium carbonate has characteristics of good dispersity and good fire retardation, and can be used for fire retardation electric cable materials so as to reduce cost and improve various physical properties of the electric cable material.

The invention provides a preparation method of a carbon/carbon nanotube coated lithium iron phosphate composite material by in situ synthesis, and relates to the technical field of battery materials. The preparation method provided by the invention comprises the steps of weighing raw materials of a lithium source, iron powder, a phosphate and a carbon source; first performing ball-milling on the iron powder and the phosphate and adding hydrogen peroxide; and then adding the lithium source and the carbon source to obtain a slurry, drying and sintering under the protection of reducing/inert gas to obtain the composite material. According to the preparation method provided by the invention, the carbon/carbon nanotube coated lithium iron phosphate composite material is prepared by employing an in-situ synthesis method, so the heat treatment time is short; the composite material has relatively high carbon coating rate, stable electrochemical property and relatively good consistency, the cycle performance and the rate performance are greatly improved, the whole preparation process is simple, and the preparation method has the advantages of safety, high efficiency, low cost and environmental protection, etc.

The invention discloses a hot metal pretreatment desilicication/dephosphorization agent. The hot metal pretreatment desilicication/dephosphorization agent is formed by mixing ferric red mud and lime particles according to the mass ratio of 1:(0.2-0.3). The content of TFe in the ferric red mud is 40-50 wt%, and the particle size of the ferric red mud is 0.088-0.5 mm. The particle size of the desilicication/dephosphorization agent is smaller than or equal to 3 mm, and the content of the desilicication/dephosphorization agent with the particle size of 1-3 mm is smaller than or equal to 5 wt%. The invention further discloses an application method of the hot metal pretreatment desilicication/dephosphorization agent. The method comprises the following steps that whether desilicication operation and dephosphorization operation are carried out independently or at the same time is determined according to the steelmaking smelting steel ball requirements and hot metal in-station conditions. When the ferric red mud is used as the desilicication/dephosphorization agent for hot metal pretreatment, furnace slag foaming can be avoided, furnace slag is prevented from overflowing out of a hot metal furnace, and the desilicication and dephosphorization effect is good.

The invention discloses a lactobacillus rhamnosus JYLR-005 as well as a hypoglycemic product and application thereof. The lactobacillus rhamnosus JYLR-005 is preserved in China General MicrobiologicalCulture Collection Center (CGMCC for short) with the preservation number of CGMCC No. 16103. The preserved strain, i.e., the lactobacillus rhamnosus JYLR-005, is prepared into a product for oral administration. The product mainly achieves blood glucose reduction of hyperglycemic population, avoids uncomfortable symptoms caused by drugs to the body, and reduces the recurrent risk of hyperglycemia.The strain is high in gastrointestinal survival and intestinal colonization capability, and can influence generation of various short-chain fatty acids in intestinal tracts to inhibit the activity ofalpha-amylase.

A Chinese medicine for treating the gynecologic inflammation is prepared from 7 Chinese-medicinal materials including spatholobus stem, green chiretta, cherokee rose-hip root, pilose asiabell root, etc through extracting, chromatography, eluting with alcohol, collecting eluting liquid, concentrating, drying and pulverizing.

The invention relates to a Chinese medicinal capsules for treating abnormal menstruation, which comprises six kinds of Chinese herbs including motherwort, root of herbaceous peony, Chinese angelica root, notopterygium root, Bupleurum root and banksia rose.

Disclosed is an emulsible granule containing spirodiclofen composition and a preparation method thereof. The emulsible granule is composed of components of, by weight, 1-60% of active components, 5-30% of wetting dispersants, 2-15% of solvents, 5-40% of adsorbents, 0-10% of binders and the balance carriers. The active components and liquid auxiliary components in the formula are evenly mixed, and the mixture is absorbed to the carriers; or the active components, the solvents and the liquid auxiliary components are evenly mixed and then mixed with other solid components, an airflow pulverizer is used for smashing the mixture so that granularity of 98% of the mixture reaches 45 mu m, and then the smashed mixture is subjected to kneading and granulation to prepare the emulsible granule. The emulsible granule is reasonable in the components, obvious in mite killing effects instead of simple adding of activity of the components, low in drug use cost, long in lasting period, safe in using, simple in preparation method, safe in storage and transportation, convenient to apply and environment-friendly and is an ideal variety of miticide.

The invention discloses a recarburization nitrogen control production method of an intermediate-carbon high-alloy steel. The recarburization nitrogen control production method comprises the steps of molten iron desulfuration, converter smelting, LF refining treatment and plate blank continuous casting. The intermediate-carbon high-alloy steel comprises the components of 0.21-0.24% of C and less than or equal to 40ppm of N, and the adding quantity of an alloy is greater than or equal to 30 kg per ton of steel. Through rigid control in the various steps, the adding time and the reasonable matching ratio of a carburant in the converter tapping process are optimized, the carbon line usage of the LF procedure is lowered significantly, and the content of finished N is successfully controlled below 40 ppm. On the condition of not adding new procedures and equipment, the technical problems of recarburization nitrogen control are solved on the premise of lowering the cost.

The invention discloses an alkyd prepolymer as well as a preparation method and application of the alkyd prepolymer. The invention discloses the alkyd prepolymer prepared from raw materials includingdicarboxyl sulfonate and small-molecular diol by an esterification reaction, and the alkyd prepolymer comprises compounds with three structural formulae. Meanwhile, the invention discloses a specificpreparation method of the alkyd prepolymer and an application of the alkyd prepolymer. The invention provides the alkyd prepolymer which has an anionic sulfonic group and a nonionic hydrophilic groupand is used for preparing waterborne polyurethane. The water-soluble raw material can be used for preparing hydroxyl type waterborne polyurethane resin, a waterborne polyurethane curing agent and a waterborne sealed polyurethane curing agent, and a product can have good water dispersibility, water solubility and storage stability by only small addition amount.

The invention discloses an auxiliary agent for a broad spectrum pesticide of (Bacillus thuringiensis) Bt20, which relates to an auxiliary agent for the broad spectrum pesticide. The auxiliary agent solves the problems of easy deactivation of effective constituents and poor suspension degree existing in the prior Bt20 biopesticide under the irradiation of ultraviolet light. The auxiliary agent for the broad spectrum pesticide of the (Bacillus thuringiensis) Bt20 consists of dodecyl sodium sulfate, sodium lignosulphonate, saponin, urea, propanetriol, sodium benzoate, and sodium carboxymethyl cellulose. The auxiliary agent for the broad spectrum pesticide of the (Bacillus thuringiensis) Bt20 is added into a Bt20 biopesticide; the auxiliary agent has small adding amount and low cost, and ensures that effective constituents of the biopesticide are difficult to deactivate under the irradiation of the ultraviolet light and the lasting period in field is prolonged by more than 40 percent; and the biopesticide has good suspension degree, is difficult to precipitate, and prolongs the time of no precipitation during the placement by more than 10 percent.

The application discloses an on-line analysis method for real-time monitoring of the dose of a radiotherapy patient, comprising the following steps: step 1, a first set of detectors on a head of a connected radiotherapy machine collect the beaming dose data of the radiotherapy machine during each radiotherapy treatment in real time, and transmits the data to a microcontroller in real time, and then the microcontroller transmits the data to a special database in a memory for storage; step two, through a second set of detectors arranged on a human body surface, the real-time radiation dose actually received by the human body surface is sent to the microcontroller through a network, and then passed to the special database in the memory via the microcontroller; and step three, by calling the two sets of data in the special database, the microcontroller uses a comparative analysis module for real-time comparative analysis and calculates the dose error, and through continuous iteration of historical data in the special database, the model is optimized once the error is calculated, so that a recommended dose calculated the next time is more optimized.

The invention discloses a biological color enhancing agent which is prepared from 60-80 parts of Phaffia rhodozyma spray dry powder, 8-12 parts of Phaffia rhodozyma freeze-dried powder, 8-12 parts of a lactic acid bacteria fermentation product, 4-8 parts of antimicrobial peptide, 2-4 parts of mountain flour and 0.5-1.5 parts of glutamine. The invention further discloses a preparation method of the biological color enhancing agent and application of the biological color enhancing agent to aquatic animal breeding. According to the biological color enhancing agent, Phaffia rhodozyma serves as the effective ingredient, the nutritious value is rich, the content of protein is high, and the biological color enhancing agent is rich in multiple types of microelements and coenzyme, further rich in astaxanthin and configured with multiple types of nutrient substances and has the advantage of being stable in color enhancing effect in serving as the color enhancing agent for aquatic animal breeding.

The invention belongs to the technical field of medical instruments and particularly relates to an otolaryngology dosage adjustable doser. The otolaryngology dosage adjustable doser solves the problemthat a single user cannot complete dosing operation and observation of dosage during dosing operation. According to the scheme, the otolaryngology dosage adjustable doser comprises a transparent syringe and a sleeve arranged at the outlet end of the syringe in a sleeve mode, and one end of the sleeve, which is away from the syringe, is connected with a universal pipe which is connected with a dosing head; the outer wall of one side of the dosing head, which is away from the universal pipe, is provided with an outlet hole, and the top of the dosing head is fixedly provided with a probe; the circumferential outer wall of the syringe is slidingly connected with a fixing ring in a sleeve mode, the inner wall of the fixing ring is provided with a mounting groove in a ring structure, and a sensing ring is mounted inside the mounting groove. The otolaryngology dosage adjustable doser can conveniently enter deep into ear, nose or throat and monitor lesion and achieve observability of dosing processes as well as automatic dosing in a quantitative and adjustable mode, thereby facilitating operation by a single user and saving time and labor.

The invention relates to an integration method of the production process of 2,3-butanediol and the recycling of microbial biomass, and the integration method comprises: the 2,3-butanediol is produced by the fermentation of the serratia marcescens seed bacteria; the recovered serratia marcescens is added in a fermentation culture medium of the second fermentation for carrying out the further fermentation culture. The serratia marcescens in fermentation products can be repeatedly utilized. The use of the method can not only improve the yield, the conversion rate and the production ability of the 2, 3-butanediol, but also effectively solve the thallus pollution and the recycling problem of resources, save the energy and reduce the emission.

A wash tub for a hospital central sterile supply department comprises a tub body. The outside of the tub body is provided with an outer shell. An electric heater unit for heating a cleaning fluid in the tub body is arranged between the outer shell and the tub body. Temperature of the cleaning fluid in the tub body is adjusted through a temperature controller. The bottom of the tub body is provided with a water outlet. A switch control valve is disposed at the water outlet. The water outlet is communicated with an external drain pipe. A supporting plate is also disposed inside the tub body. The edge of the supporting plate is suspended in the cavity of the tub body through a locating boss on the inner wall of the tub body. The bottom of the supporting plate is connected with a suspended frame through a strut. A groove for placing a measuring cup is also arranged in an end face of the outer shell. The wash tub has a simple structure. It is very convenient to put a soaked object into the wash tub or take a soaked object out of the wash tub. In addition, addition amount of water and addition amount of the cleaning fluid can accurately be controlled, and it is convenient to control both liquid temperature and soaking time. Soaking effect of medical apparatuses and instruments is raised, and work efficiency is also enhanced.