156 results about "Dilution" patented technology

An object of the present invention is to provide an easy-to-handle, before and after dilution with water, concentrated liquid cleanser composition and a production method thereof. A concentrated cleanser composition of the present invention is characterized by comprising: (A) an anionic surfactant, (B) an amphoteric surfactant, (C) 5 to 15 mass % of a monohydric or dihydric alcohol, (D) 8 to 18 mass % of a nonionic surfactant with the IOB value of 0.8 to 1.1 and the molecular weight of 500 or lower, and (E) 45 mass % or less of water, wherein the sum of (A) and (B) is 40 to 60 mass %; wherein the blending ratio (C):(D) is 3.5:1 to 1:2.5; and wherein the viscosity at 30° C. is 300 mPa·s or higher when the composition is diluted until the concentration of (A) and (B) becomes 15 mass %.

The invention discloses a multifunctional standard gas generator, which is mainly used for preparing low concentration standard gas with a concentration of 10<-10>-100mg/m<3> (liquid standard chemicals) or a dilution degree of 1-10<12> times (gaseous standard chemicals) so as to be suitable for instrument metering or analysis method research. A stepping motor (106-1) drives liquid standard chemicals contained in a syringe (115-1) or bottled high concentration gaseous standard chemicals into a gasification device (110) through a first adapter (109-1), zero gas is introduced through a second adapter (109-2) to conduct evaporation and dilution so as to obtain standard gas chemicals with a concentration of 10<-3>-100mg/m<3> or a dilution degree of 1-10<5> times; if a lower concentration is needed, primary standard gas stored in a second syringe (115-2) is diluted in a mixer (113), and then secondary standard gas with a concentration of 10<-10>-10<-3>mg/m<3> or a dilution degree of 10<5>-10<12> times can be output through the third adapter (109-3).

A dilution cup of the present invention is arranged with an inner face where a diameter of a horizontal section increases on at least one position from a bottom to a top; a sprue, locating on the top of the inner face for feeding checking sample; an outlet, setting on the bottom of the inner face for outputing the checking sample, and ensuring the checking sample as well as reagent form gyrate upwelling; a discharging port locating on the bottom of the inner face. In addition, a chemical analysis device of the present invention includes: a container for mixing the checking sample and reagent; a first component for feeding the reagent into the container; a second component for feeding the checking sample into the container; a controller for controlling the injection of the checking sample and the reagent to feed checking sample after feeding reagent from the first component.

A device and a method for mixing and heat treating a liquid product, in particular a beverage, and having a first supply pipe for providing a product concentrate and a second supply pipe for providing an aqueous dilution liquid for diluting the product concentrate, as well as a first steam injector provided at the first supply pipe to introduce a first steam quantity flow into the product concentrate, and a second steam injector provided at the second supply pipe to introduce a second steam quantity flow into the dilution liquid. The product concentrate and the dilution liquid can be simultaneously heat treated and diluted, and the heat supply can be interrupted with an only slight delay in case of a production interruption to prevent overheating of the product.

The invention provides a synthesis and separation method of trans-seven-membered-cucurbituril iQ[7] and belongs to the technical field of organic polymers. The method includes following steps: employing glycoluril and paraformaldehyde with concentrated hydrochloric acid as a medium; performing heating reflux for 5-8 hours; performing a cooling process; performing a dilution process with water being added step-by-step to separate eight-membered-cucurbituril Q[8], six-membered-cucurbituril Q[6], little trans-six-membered-cucurbituril iQ[6] and little ten-membered-cucurbituril with five-membered-cucurbituril Q[5] being included Q[5]@Q[10] which are poor in water dissolvability; concentrating a mother liquid containing five-membered-cucurbituril Q[5], seven-membered-cucurbituril Q[7], little trans-seven-membered-cucurbituril iQ[7] and little hinged fourteen-membered-cucurbituril tQ[14]; carrying the mother liquid onto a chromatographic colum with Dowex cationic exchange resin as an stationary phase; performing a leaching process with a solution composed of water, acetic acid and concentrated hydrochloric acid, wherein a volume ratio of the water, the acetic acid and the concentrated hydrochloric acid is 1:1:(0.01-0.3) to obtain a purified production of the trans-seven-membered-cucurbituril iQ[7]. The method is simple and quick.

The invention relates to a pre-treatment and quantitative analysis method for rapid determination of the content of the cadmium element in rice. The method comprises the following steps (1) crushing rice into powder; (2) preparing an agar solution with a concentration of 0.8 to 1.5 gL; (3) weighing a plurality of parts of rice powder as parallel samples, respectively subjecting the parallel samples to suspension and volume fixation with the agar solution prepared in the step (2), carrying out dilution with dilute nitric acid so as to obtain to-be-measured sample liquids with rice concentration of 4 to 16 gL and directly diluting the agar solution obtained in the step (2) with dilute nitric acid so as to obtain a blank sample; (4) preparing cadmium standard solutions, determining the absorbance value of each cadmium standard solution by using graphite furnace atomic absorption spectrometry and drafting a cadmium element standard curve; and (5) determining the absorbance values of the to-be-measured sample liquids and the blank sample and calculating cadmium content of the to-be-measured sample liquids. The method provided by the invention is simple and fast, can rapidly detect the content of the cadmium element in rice and has good accuracy and repeatability.

The invention provides a rapid analysis method of a high-content harmful element in a blast furnace iron material. The method comprises the following steps: determining an instrument analysis condition; searching a standard sample drawing working curve; analyzing a sample; determining the sample which is out of an analysis range of the working curve during detection of the sample to be a harmful element sample with high content; determining a dilution standard sample from a harmful element sample with low content; mixing, diluting and melting the harmful element sample with high content by using the dilution standard sample to be made into plates; detecting through an X-ray fluorescence spectrophotometer, and calculating to acquire the content of the harmful element in the harmful element sample with high content. Compared with the traditional atomic absorption spectrometry, the rapid analysis method has the advantages that the sample is not needed to be dissolved in water solutions, and the dilution for many times is not needed, and therefore, the method is easy to operate and accurate in evaluation; moreover, the using mount of high-pure reagents is saved, and the cost is greatly reduced. Poor and impure iron materials are reasonably added for enterprises so as to prevent circulating enrichment of the harmful elements in a furnace, thus reducing the production cost and improving the economic benefit.

The invention relates to a method and a device thereof for secondarily diluting and feeding coagulant. The device comprises a diluting tank, a flocculation reaction tank, a mixing device, an infusion pipe, an infusion pump and a diluent flow meter, a water pipe, an adjusting valve and a water flow meter; the infusion pipe is connected to the flocculation reaction tank through the infusion pump and the diluent flow meter; and the water pipe is connected to the infusion pipe through the adjusting valve and the water flow meter. The primary dilution of the coagulant is finished in the diluting tank, and then the primary diluent is conveyed to a diluent feeding point by the infusion pump through the infusion pipe; simultaneously, the water for diluting is injected to the infusion pipe by the water pipe to realize secondary dilution of the coagulant; and the secondary diluent is fed to the water to be treated at the diluent feeding point, and undergoes a flocculation reaction in the flocculation reaction tank after full mixing so as to finish the purification treatment for the water. By implementing the method, the mass concentration of the coagulant is reduced to 0.5 to 2 percent through the secondary dilution, so that the utilization efficiency is improved, and the using amount is reduced.

The invention discloses a dilution heating type particulate matter constant-speed sampling device with a temperature compensation function. The dilution heating type particulate matter constant-speed sampling device comprises a flue gas sampler, a diluent gas mechanism, a mixed gas mechanism, an extraction power source and an extraction controller. The flue gas sampler consists of a flue gas sampling pipe, a flue gas flow meter and a flue gas temperature meter; the diluent gas mechanism is composed of a diluent gas flow meter, a diluent gas temperature meter, a diluent gas source and a diluent gas controller, the diluent gas source is other gases such as nitrogen and air for diluting the sample gas, and compressed gas or a gas pump can be used; the mixed gas mechanism consists of a mixed gas flow meter and a mixed gas temperature meter; the particulate matter monitor is mounted in the measuring chamber; the extraction power source is equipment used for extracting sample gas and generating extraction power, and can be an extraction pump, a jet pump and the like; and the extraction controller is equipment for controlling sample gas extraction. The device has the advantages that the flue gas temperature, the diluent gas temperature and the mixed gas temperature are measured, compensation calculation is carried out according to the temperatures to obtain the flow velocity of the mixed gas needing to be extracted finally, and the extraction controller and the dilution controller are controlled to complete constant-speed tracking sampling according to the data.

The invention discloses a test method of a high-purity aluminum alloy. The test method of the high-purity aluminum alloy comprises the following steps: 1) cutting a high-purity aluminum alloy sample into pieces, and carrying out impurity removal pretreatment; 2) weighing the pretreated high-purity aluminum alloy sample, adding a corrosive liquid for corrosion, standing, and adding water for dilution to form a mixed sample solution; 3) weighing the mixed sample solution, adding water to dilute the mixed sample solution, detecting the granularity of the sample solution through a liquid particlecounter for at least three times, and taking an average value S1; and 4) adding water into hydrochloric acid to form a hydrochloric acid solution with the same proportion as the mixed sample solutionin the step (3), taking the hydrochloric acid solution, adding water to dilute, detecting through a liquid particle counter, detecting for at least three times, taking an average value S2, and calculating the granularity of the sample. According to the test method of the high-purity aluminum alloy, the corrosion time of a high-purity aluminum alloy sample is shortened, the detection efficiency isimproved, the possibility that sample liquid is polluted is reduced, and data are more stable.

The invention discloses a drug for shortening a sow labor process and a preparation method thereof. The preparation method comprises the following steps of adding 88.8806-88.8810% of injection water into a concentration tank, carrying out stirring, slowly adding 0.1-0.3% of metronidazole into the concentration tank, carrying out heating boiling, adding 9-11% of weighed glucose, 0.008-0.012% of triphosadenine, 0.006-0.01% of dexamethasone and 0.8-1.0% of common salt into the boiling solution until complete dissolution, adding active carbon of which humidity is pre-adjusted into the mixed solution for decoloration, filtering the hot mixed solution by a concentration and filtration titanium rod, collecting the filtrate by a dilution tank, carrying out stirring by the dilution tank, diluting the filtrate by injection water until the diluent filtrate volume is 90% of the total dilution tank volume, adjusting a pH value to 6.0-7.0 by a sodium hydroxide solution having the content of 0.1mol/L, carrying out dilution until the diluent filtrate volume is equal to the total dilution tank volume, adding active carbon of which humidity is pre-adjusted into the diluent filtrate for decoloration, carrying out filtration by a filter membrane until the filtrate is clear and transparent, feeding the filtrate to a soft bag liquid-conveying production line by a delivery pump, and carrying out loading.

The invention discloses a method for mixing suspensions of different components before the inlet of a paper or board machine. The method is especially applicable in the pulp preparation process of paper mills. In this method, a diluent (2) is mixed with a thicker suspension of fibrous material (1), for which purpose a closed mixing device (4) is used. The mixing energy obtained here comes from the flow energy of the components, that is to say not from mechanically driven mixers or rotors. The invention also relates to a mixing device for carrying out the method.

The invention relates to a zero-emission environment-friendly phosphating process. A phosphating agent respectively comprises the following components in percentage by weight: 5-35% of H3PO4.2H2O, 5-30% of M(H2PO4)n. xH2O, 5-15% of Na2O.mSiO2, 0.5-2% of KT1 and the balance of H2O. A dual-bath and multi-bath process is adopted in emission of the process for realizing zero-emission. The process comprises the following steps: (1) replenishing a new solution with the density of 1.15-1.25, which is consumed by a workpiece; (2) enabling the workpiece to bring a bath solution with the density of 1.15-1.25 into a bath with the density of 1.05-1.10 to increase the density of the bath solution; (3) appropriately adding water for dilution to keep the density of the bath solution of 1.05-1.10 unchanged; and (4) replenishing, diluting and adjusting the bath solution in the bath of 1.15-1.25, which is consumed by the workpiece and has the density increased by evaporation, by using the bath solution of 1.05-1.10. According to the technology, process steps and the process are greatly simplified; the process has the advantages of zero emission, no three wastes, zero pollution, low cost and significant environment-friendly benefits and economic benefits, and is capable of saving water by above 99% and reducing pollutants by 100% and easy to control and construct.

The invention discloses a diluent for urine visible component analysis and a preparation method. The diluent for urine visible component analysis comprises an anticoagulant, a buffer solution, an alkaline reagent, a surfactant, an osmotic pressure regulator and a bacteriostatic agent. The anticoagulant and purified water are weighed and dissolved in a corresponding container, a plurality of raw materials except the anticoagulant are weighed, and are dissolved in purified water to obtain two mixed solutions; and the two mixed solutions are mixed, the cleaning solution obtained by cleaning the container is added into a basic diluent, the pH value is adjusted by using the alkaline reagent to obtain a diluent. A suitable diluent is provided for dilution transition to ensure the integrity of visible components.

The invention provides an online diluting and feeding system for a finished sodium hypochlorite solution, and relates to the technical field of water treatment systems. The system comprises an online diluting and proportioning system, a storage system and a metering and adding system, and the online diluting and proportioning system is used for discharging a finished sodium hypochlorite solution and mixing and diluting the finished sodium hypochlorite solution and water according to a certain proportion to form a diluted sodium hypochlorite solution. The storage system is communicated with the online diluting and proportioning system, stores the diluted sodium hypochlorite solution and is provided with a monitoring equipment assembly for monitoring overflow and liquid level of the diluted sodium hypochlorite solution. And the metering and adding system is communicated with the storage system, calculates the amount of the diluted sodium hypochlorite solution required to be added according to the monitoring data of the available chlorine monitoring device and the residual chlorine monitoring equipment, and adds the diluted sodium hypochlorite solution with the required amount. Unloading and dilution proportioning of a finished product solution are carried out synchronously, and the purposes of storage monitoring, automatic feeding and cleaning of a diluted solution are achieved at the same time.

The invention relates to a dilution method and a dilution device. The dilution method comprises the following steps: adding a sample to a first reactor of a first station of a supply unit; transferring the first reactor to a fifth station of the transfer device, and enabling the first station of the supply unit to receive a second reactor; adding a diluent into the first reactor at the fifth station to obtain a diluted sample; uniformly mixing the diluted sample in the first reactor; transferring the first reactor from the transfer device to the supply unit; transferring a portion of the diluted sample in the first reactor to the second reactor; transferring the second reactor to the fifth station of the transfer device, and continuously adding the diluent into the second reactor; and uniformly mixing the substances in the second reactor. The dilution device comprises the supply unit and the transfer device.