50 results about "Residual water content" patented technology

The present invention relates to a new process for producing methane chloride by using liquid-phase catalytic method and pressurization process. The hydrogen chloride and methyl alcohol are mixed according to a certain ratio, then placed in a tank reactor with catalyst, and under the condition of a certain temp. and pressure the invented methane chloride can be synthesized. It adopts acid / water washing and alkali-washing processes to remove unreacted methyl alcohol and hydrogen chloride, and adopts concentrated sulfuric acid washing process to remove residual water content and reaction by-product dimethyl ether, then the purified and dried methane chloride gas is undergone the processes of compression and condensation so as to obtain high-purity liquid methane chloride product.

Rotational moulded products are prepared by producing a mixture of a polyolefin and optionally at least one additive, extruding this mixture in melt form through orifices in a die, pelletizing the mixture extruded through the orifices to form micropellets having a particle size distribution D(v, 0.5) of 0.1 to 1 mm, and a value of the ratio of D(v, 0.9)-D(v, 0.1) to D(v, 0.5) of no more than 1, drying the micropellets to a residual water content of no more than 1% weight, and if desired packaging the micropellets.

The invention relates to a moulded body containing plastic and reinforced by natural fibres. Said moulded body is produced from fibrous plant or animal material containing residual water, at least one thermoplastic or duroplastic material, and at least one water-binding biopolymer and / or biomonomer, by means of plastic or thermoplastic deformation at a high temperature and / or high pressure, and then by shaping, preferably by means of extrusion. In spite of a residual water content of between 0.3 and 8 wt. %, the inventive moulded body is in an unexpanded form. The invention also relates to a method for producing said moulded body.

The present invention provides a flow soldering apparatus that can suppress the occurrence of soldering defects, even if VOC-free flux or low-VOC flux is applied to an electronic circuit substrate. In other words, the flow soldering apparatus according to the present invention includes: a water content sensor for measuring a residual water content of a surface of a substrate; and a monitoring device for judging whether soldering quality is satisfactory or not by using a residual water content value of the surface of the substrate acquired from the residual water content measured by the water content sensor, on the basis of a correlation between a residual water content value of a surface of a sample substrate and a residual water content value of through holes of the sample substrate, as acquired previously by using a plurality of substrate samples.

The invention relates to the technical field of washing machines, in particular to a dehydration control method for a washing machine and aims to improve a dehydration effect of clothes. The dehydration control method for the washing machine comprises the following steps of: obtaining a total water content of the clothes in the washing machine before dehydration; in a dehydration process, acquiring an accumulated discharging amount of a water outlet of the washing machine; and performing dehydration control on the washing machine according to the total water content and the accumulated discharging amount of the clothes. When the washing machine is in normal dehydration and after the dehydration is about to be finished and a rotating speed begins to decrease, the accumulated discharging amount of the water outlet can be obtained, so that whether a residual water content in the clothes meets a requirement or not is determined, and if the residual water content does not meet the requirement, the rotating speed operation preset time is to be increased. By the adoption of the dehydration control method for the washing machine, the final dehydration effect of the clothes is effectively ensured, and a manual intervention is not needed.

The invention refers to a Process for preparing a bio-resorbable polyester the form of a powder with a bulk density of 0.3 g / ml or more, a tapped density of 0.4 g / ml or more and a specific surface area of 2.0 m2 / g or less comprising the steps a. dissolving a bio-resorbable polyester in a first solvent to form a polymer solution, b. contacting the polymer solution with a second solvent which is a non-solvent for the bioresorbable polyester and which is mainly water to result the precipitation of the bio-resorbable polyester in the form of a wet polymer mass, c. pre-drying the wet polymer mass at a temperature below the TgO of the bio-resorbable polyester, d. comminuting the pre-dried polymer mass to polymer particles with a size below 10 mm, e. drying the comminuted polymer particles below the TgO of the bio-resorbable polyester to a residual water content of 1% or less by weight / weight, f. post-treatment of the polymer particles from step e at a temperature in the range from the TgO to the TgE of the bio-resorbable polyester, g. comminuting the polymer particles from step f to a powder with a particle size of d50 of 1-300 μm and d90 of more than 30 and up to 3000 μm.

The invention relates to film-grade nylon 6 pellets and a production method thereof. After a recovered extraction concentrated solution is purified, the extraction concentrated solution is mixed withsolid raw materials, homogenization is carried out, an additive is added, the mixture is preheated and then fed into a depolymerizing reactor using gas self-stirring, after high-temperature and high-pressure depolymerization, high-pressure prepolymerization and post-polymerization pressure reduction are carried out, after underwater pelletizing, extraction, drying and cooling are carried out, andthe film-grade nylon 6 pellets are obtained. The relative viscosity of the obtained film-grade nylon 6 pellets can be controlled to be 3.2+ / -0.030, the viscosity deviation can be controlled to be smaller than or equal to + / -0.030, and the content of hot-water extract is smaller than or equal to 0.3 wt%, wherein the content of cyclic dimer is smaller than or equal to 0.05 wt%, the content of residual water is smaller than or equal to 0.04 wt%, and the chromaticity is -5--3.5+ / -1, so that the film-grade nylon 6 pellets have high quality.

The method for recovering power transformer oil includes the following agent: filtering transformer oil firstly, removing solid impurity, placing the oil into a closed tank, evacuating, finally making needle electrode discharge test, then seal-filling. As compared with existent technology it can completely remove water by means of one-step operation, its residual water content is less, and its insulating intensity is high, it has no need of changing drying agent, and its operation is simple.

In a pin tenter, a wet film is conveyed and dried in a state that side edges of the wet film are pierced by pins. The plurality of pins are fixed to a pin plate. The pin plate is supported by a pin carrier. The pin carrier is disposed between rails. Movement of the pin carrier is guided by the rails. In a steam cleaning area, steam is blown onto the pins, the pin plates, the pin carriers, and the like so as to remove foreign substances adhered thereto. In a jet gas cleaning area, nitrogen gas blows off residual foreign substances and residual water content remained from the steam cleaning.

The invention relates to a soil water extraction device and an extraction method thereof. An extraction branch is arranged at the device, the extraction branch comprises a first container, a heating device for heating the first container filled with soil, a second container, a third container and a humidity-dependent sensor, the second container is placed in an insulation container filled with a refrigerant, a filtering medium is arranged in the third container, the soil water extraction device also comprises a converter, the converter controls vacuum operation condition of each branch pipeline, when the device operates, all valves of the branch on the converter should be closed, and when the branch pipeline operates, the corresponding branch valve can be opened. According to the invention, several soil water samples are simultaneously extracted, the soil water extraction efficiency is accelerated, and the application of the humidity-dependent sensor can avoid the error estimation of the soil residual water content and increases the isotope measurement precision.

The invention relates to a method for quickly judging whether unsaturated soil is damaged or not after being under stress, which can quickly, accurately and effectively judge whether the unsaturated soil is damaged or not after being under stress so as to ensure engineering quality. The method comprises the following steps: determining parameters of residual water content theta<irr> and saturatedwater content theta<sat>, as well as parameters b and d related to soil properties by a pressure plate instrument; measuring parameters of total stress strength indexes c and phi by a conventional triaxial apparatus; measuring a parameter phi by an unsaturated direct shear apparatus; measuring the water content theta of a soil body, and measuring actual small principal stress sigma<3> and actual large principal stress sigma<z> on the soil body when the soil body is under stress by "soil mechanics"; and substituting the small principal stress sigma<3> on the soil body into a formula, solvingtheoretical large principal stress sigma<1> of the soil body in a critical failure limit state, and judging whether the soil body is damaged or not according to whether sigma<1> is larger than the large principal stress sigma<z> on the soil body. The method is simple, easy to operate, accurate in testing, high in efficiency and easy to popularize and apply, and provides technical support for construction.

A method of depositing aluminum onto a substrate is disclosed. In this method, the substrate is disposed as cathode in an electrochemical cell with an anode and a liquid electrodeposition composition comprising an ionic liquid and a source of aluminum, and aluminum is electroplated onto the substrate. Residual water content in the electroplating bath is controlled by exposure to light in the presence of a photo-oxidation catalyst to decompose the water or species associated with water.

The invention discloses a method for determining liquid water contents at different temperatures in soil. The method comprises the following steps: S1, determining a change rule of an unfrozen water content nw along with a test temperature; S2, for the soil sample, determining the unfrozen water content nw '2jeemaa2' T of the soil at minus 25 DEG C to be equal to 25 DEG C, and taking the unfrozen water content nw '2jamaa2' T as the residual water content wr; S3, for the soil sample, giving the change rule of the ratio of the unfrozen water content to the initial volume water content in the soil at minus 25 DEG C and minus 2 DEG C and the ratio of the unfrozen water content in the soil at minus 25 DEG C and minus 24 DEG C; S4, determining the rule that the nucleation rate Jhet changes along with the temperature between 0 DEG C and minus 25 DEG C; and S5, determining the unfrozen water content of the to-be-detected soil at different temperatures. According to the method, the calculation mode of the unfrozen water content is provided, the change rule of the nucleation rate of the moisture in the soil along with the temperature is determined, the unfrozen water content of the soil at different temperatures can be calculated only by measuring the initial volume water content of the soil to be measured, and a data basis is provided for related research of the silty clay.

In a pin tenter, a wet film is conveyed and dried in a state that edges of the wet film are pierced by pins. The plurality of pins are fixed to a pin plate. The pin plate is supported by a pin carrier. The pin carrier is disposed between rails. Movement of the pin carrier is guided by the rails. In a steam cleaning area, foreign substances adhered to the pins, the pin plates, and the pin carriers are removed by blowing steam. In a jet gas cleaning area, residual foreign substances and residual water content after the steam cleaning are blown off and removed by blowing nitrogen gas.

The ink jet recording apparatus includes: transport means that transports paper having a recording surface, on which an image is formed using an aqueous ink, along a transport path; heating means that is provided along the transport path; guide means that is provided along the transport path and supports the paper using a guide surface having suction holes; and suction means that suctions the paper through the suction holes of the guide surface, a suction region and a non-suction region are set when the paper is transported, the suction region in which the paper is suctioned by the suction means is set upstream of a first position of the transport path, the non-suction region is set downstream of the first position, and the first position is set at a position in which a residual water content in the paper is 1.0 g / m2 to 3.0 g / m2.

The present invention provides a flow soldering apparatus that can suppress the occurrence of soldering defects, even if VOC-free flux or low-VOC flux is applied to an electronic circuit substrate. In other words, the flow soldering apparatus according to the present invention includes: a water content sensor for measuring a residual water content of a surface of a substrate; and a monitoring device for judging whether soldering quality is satisfactory or not by using a residual water content value of the surface of the substrate acquired from the residual water content measured by the water content sensor, on the basis of a correlation between a residual water content value of a surface of a sample substrate and a residual water content value of through holes of the sample substrate, as acquired previously by using a plurality of substrate samples.

The invention relates to the technical field of steam path control devices for drilling engineering in oil fields, in particular to an alcohol-spraying type steam path anti-freezing device for oil drilling. The steam path anti-freezing device comprises a water-steam separator, an alcohol tank and an alcohol funnel, wherein a steam intake pipe communicated with an inner cavity of the water-steam separator is fixedly installed on the left side wall of the water-steam separator; a steam escaping pipe communicated with the inner cavity of the water-steam separator is fixedly installed on the right side wall of the water-steam separator; a sewage draining pipeline communicated with the inside of the water-steam separator is fixedly installed at the bottom of the water-steam separator; and a sewage draining valve is fixedly installed on the sewage draining pipeline. The steam path anti-freezing device provided by the invention has a reasonable and compact structure and is convenient to use, and also has the advantages that the steam path of a steam controlling system is effectively prevented from being frozen in winter by separating the residual water content from the compressed air and lowering the freezing point of the residual water content, so that the working intensity of the workers is reduced, and the safety of equipment and personnel in a drilling well is ensured, the cost is saved, the unnecessary time consumption is reduced, the drilling speed is improved, and the well constructing period is shortened.

The present invention discloses a dietary therapy dewatered vegetable for treating Parkinson's disease, wherein the vegetable variety Chinese velvetbean seed or leaf having the highest levodopa content is used, and the main component levodopa is converted into dopamine in human body. According to the present invention, the fresh pod of the Chinese velvetbean seed or leaf is processed into the dewatered vegetable, and the toxic component in the Chinese velvetbean seed or leaf is removed through a high temperature method, such that no food poisoning is generated so as to achieve the effects of dietary therapy and disease treating and preventing; in order to easily store and transport, the residual water content in the Chinese velvetbean seed or leaf processing product is controlled within 15%; when the dewatered vegetable is required to be eaten, soaking with clear water is performed for more than half hour, and then various cooking methods can be performed so as to eat the dewatered vegetable; the verifying results show that the secretion requirement of dopamine required by human body activity can be met after the general patient eats 50 g of the Chinese velvetbean seed or leaf each day; after the eating, levodopa is absorbed, and is converted into dopamine in the body; the Parkinson's disease treatment and prevention effect is achieved; and the disadvantage of the side effects caused by the Western medicine taking is avoided, and the economic and mental burden of patients is reduced.

The invention belongs to the technical field of ceramic packaging containers, specifically a ceramic container, including a basin, an absorbing mechanism, an injection mechanism, a cleaning mechanism and an indicating mechanism; a water storage tank is provided in the basin; Absorption mechanism; the absorption mechanism includes a blocking block; the inner end of the blocking block is elastically connected to the inner wall of the water storage tank, and a filter screen is fixedly connected around the front surface of the blocking block; an injection mechanism is arranged in the basin; The injection mechanism includes a working tube, a No. 1 working chamber, a No. 2 working chamber, a slider, a water delivery pipe and a dispersing hole; There is a No. 1 working chamber in the tube; the invention is mainly used to solve the problem that the existing ceramic flowerpots cannot check the residual moisture of the flowerpots in real time, and the excess rainwater cannot be collected in rainy weather and needs artificial watering.

A dehydrated composition is provided that includes freeze-dried erythrocytic cells. Alcohol (e.g., sterol or cholesterol) is at least partially removed from erythrocytic cells including erythrocytic membranes. After removal of at least part of the alcohol, the erythrocytic cells have a low phase transition temperature range, an intermediate phase transition temperature range, and a high phase transition temperature range. The erythrocytic cells may be loaded with an oligosaccharide (e.g., trehalose) which preserves biological properties during freeze-drying and rehydration. A process for increasing cooperativity of a phase transition of an erythrocytic cell. A process for preserving and / or increasing the survival of dehydrated erythrocytic cells, including storing dehydrated erythrocytic cells having a residual water content equal to or less than about 0.30 gram of water per gram of dry weight erythrocytic cells.

A stable albumin-free Recombinant Factor VIII (rFVIII) formulation in lyophilized form having both crystalline and amorphous components and comprising, when reconstituted with water, about 65 to 400 mM glycine, up to 50 mM histidine, 15 to 60 mM sucrose, up to 50 mM NaCl, up to 5 mM CaCl2 and 50 to 1500 IU / ml of rFVIII. A very preferred formulation comprises upon reconstitution with water about 290 mM glycine, 20 mM histidine, 30 mM sucrose, 30 mM NaCl, 2.5 mM CaCl2 and 50 to 1500 IU / ml of rFVIII. The residual water content of the lyophilized preparation is about 1 to 3% by weight, preferably about 1% by weight.

The invention discloses a preparation method for 3-hydroxyl benzoate, which comprises the following steps: aqueous solution of the 3-hydroxyl benzoate is prepared, and by adopting the processing method of spray drying, the 3-hydroxyl benzoate is obtained. The product obtained by adopting the method is even in particle size, low in residual water content, high in yield and purity, and good in fluidity.