405results about How to "To achieve the separation effect" patented technology

The invention relates to a same floor draining joint for a building, in particular to a same floor draining joint for a toilet, which consists of an upper vertical pipe draining port, a lower vertical pipe draining port and at least two transverse pipe draining ports; the upper vertical pipe draining port is communicated with the upper end and the lower end of the lower vertical pipe draining port; the at least two transverse pipe draining ports are staggered in position and are arranged between the upper vertical pipe draining port and the lower vertical pipe draining port; the orientation of the inlet of at least one of the transverse pipe draining ports is equal to or nearly equal to the orientation of the upper vertical pipe draining port, and the orientation of the inlet of at least one of the transverse pipe draining ports forms an included angle of 30-100 degrees with the orientation of the upper vertical pipe draining port. The same floor draining joint is rational and scientific in structure, and is capable of realizing the same floor draining and the same floor maintenance when the draining joint is adopted in the same floor draining of the non-falling plate or falling plate; the draining is more safe; the water is not easy to accumulate in the falling plate layer even the way of the falling plate is adopted, and the accumulated water is safely and completely discharged, so as to avoid the foreign smell in the room.

The invention relates to a method for rapidly processing and extracting nucleic acids from various trace clinical samples. The method comprises the following steps: cracking cells; absorbing by a filter membrane; and leaching and extracting nucleic acids (DNA and RNA). The invention also relates to a kit for rapidly extracting nucleic acids from clinical samples and application thereof.

A successive separation method of aluminum-plastic composite packaging materials comprises the following steps of: A) immersing the aluminum-plastic composite packaging materials in a formic acid remover, wherein the formic acid concentration of the formic acid remover is 2-6 mol/L; B) drying the separated aluminium foils and plastic to remove the residual remover; C) centrifuging and sifting thedried aluminium foils and plastic to spall and separate the plastic and aluminium foils, followed by collecting the plastic and aluminium foils. The invention also provides a device to accomplish theabove method. The method provided by the invention accomplishes the purpose of successive feeding and successive discharging with high separation efficiency and high separation speed, saves costs andis of economic and valid industrial value.

The invention discloses a super-hydrophobic porous membrane as well as a preparation method thereof. A micro molding technology and a phase separation technology are combined, a membrane scraping bottom plate on which a membrane casting solution is scraped is placed in a water bath at the preset temperature for phase separation membrane formation, a formed membrane material is stripped, and the super-hydrophobic porous membrane is obtained. The membrane scraping bottom plate is a grooved soft template produced with a reverse mold process, the super-hydrophobic porous membrane produced throughthe grooved soft template comprises micron-size surface bulges which are consistent in size and arranged regularly, and the distance between adjacent surface bulges is micron-sized. The surface morphology of the membrane material is reconstructed, the super-hydrophobic porous membrane with multiple scales is prepared while additional modifiers are not added, and the super-hydrophobic porous membrane can be applied to a membrane distillation technology, has the advantages of high hydrophobicity, pollution resistance, wetting resistance and the like and thus has high salt resistance, and a novelmembrane production technology is provided for industrialization of membrane distillation and is low in cost and prone to mass production.

The invention relates to a privilege isolation method and device of an Android third-party class library. The method comprises the following steps of: configuring the privilege information of an application, wherein the privilege information comprises adopted third-party class library information and the privilege endowed to the third-party class library; when the application is started, replacing a sensitive method or function, and calling and redirecting the sensitive method or function to an agent method or function; and obtaining the caller of the sensitive method or function, judging whether the calling is legal or not, if the calling is legal, calling back an original method or function, and otherwise, stopping the calling. The device comprises an interception module, a control module, a checking module and a privilege file. By use of the privilege isolation method and device of the Android third-party class library, the privileges of the Android third-party class library and a host application during operation can be effectively isolated, and therefore, the third-party class library can not use the privilege of the host application.

The invention belongs to the field of photocatalysis, and discloses a preparation method and applications of a carbon dot-molybdenum trioxide co-composite carbon nitride catalyst. The preparation method comprises the following operation steps: S1, preparing MoO3 powder; S2, preparing CDs powder; S3, preparing C3N4 powder; and S4, preparing a MoO3-CDs/C3N4 composite catalyst: weighing C3N4 powder,MoO3 powder and CDs powder, mixing, adding anhydrous ethanol, carrying out ultrasonic dispersion, increasing the temperature of the mixed solution to 75 DEG C, carrying out stirring evaporation, transferring into an oven, drying at a temperature of 100 DEG C, cooling, taking out the powder solid, uniformly grinding, transferring into a muffle furnace, carrying out a reaction, cooling to a room temperature, grinding, and screening to obtain the carbon dot-molybdenum trioxide and carbon nitride composite catalyst. According to the present invention, the preparation method has advantages of goodrepeatability, good controllability, good material stability, high application prospect and high use value, and can well meet the mass production requirements.

The invention provides a coarseness and fineness integrated iron ore hydraulic pulverizer. The coarseness and fineness integrated iron ore hydraulic pulverizer is provided with an upper coarse pulverizing chamber and a lower fine grinding pulverizing chamber. The discharge port end on the bottom of the coarse pulverizing chamber communicates with the fine grinding pulverizing chamber through a discharge channel. The fine grinding pulverizing chamber is internally provided with an upper pressure cylinder, a lower pressure cylinder, an upper pressing plate, a lower pressing plate, a grinding rotary table and a grinding motor. The upper pressing plate is an annular pressing plate, the inner edge of the upper pressing plate is matched with the outer wall of the discharge channel, and the outer edge of the upper pressing plate and the outer edge of the lower pressing plate are matched with the inner wall of the fine grinding pulverizing chamber. At least one side of the fine grinding pulverizing chamber is provided with a discharge door. The upper pressure cylinder is installed between the upper side wall of the fine grinding pulverizing chamber and the upper pressing plate, and the lower pressure cylinder is installed between the lower side wall of the fine grinding pulverizing chamber and the lower pressing plate. The grinding motor is installed on the lower pressing plate, an output shaft of the grinding motor penetrates the lower pressing plate to be fixedly connected with the grinding rotary table, and grinding teeth are arranged on the lower surface of the upper pressing plate and the upper surface of the grinding rotary table in a staggered manner. The coarseness and fineness integrated iron ore hydraulic pulverizer is simple in structure and can achieve coarseness and fineness integrated pulverizing conveniently to meet machining requirements of iron ore produces with different grain size grades.

The invention belongs to the technical field of wet concrete recycling, and relates to a wet concrete recycling and screening machine and an application method thereof. The machine has an automatic sewage pumping and transporting function and an automatic fine sand filtration function. The provided screening machine has the advantages of small material transportation resistant force, controllable sewage flow, easy separation between fine sand from sewage, and reduction on energy and water. The screening machine comprises screening and transporting devices for sewage, stones, and sand materials. The application method comprises steps of pre-mixing, transportation, screening on stones and sand materials, and transportation of stones and sand materials. The recycling and screening machine has the following advantages: (1) the material is fed in a higher place and discharged in a lower position, and thus the transportation resistant force is greatly reduced; (2) the sewage in the recycling and screening machine is pumped and transported, and changed is the conventional sewage recycling method through a sewage overflowing opening; (3) the filtration of sewage containing fine sand and automatic screen net cleaning are realized; (4) the vehicle washing tank is clean without washing, the fine sand in sewage can be completely filtered and removed without a swirl separation system, and the screen net can be maintained a clean state without washing during vehicle cleaning.

The invention provides a method for measuring isothiazolinone antibacterial finishing agents in textiles, and relates to the field of product quality analysis, and discloses a method for separating and detecting the five isothiazolinone antibacterial finishing agents. The following liquid phase chromatographic conditions are adopted, and according to the liquid phase chromatographic conditions, a chromatographic column is XR-ODS (2.2 microns), the inner diameter is 100 mm*3.0 mm, column temperature is 40 DEG C, column flow speed is 0.4ml/min, a diode array detector is adopted, and detection wavelengths are 277 nm and 283 nm. According to the gradient elution conditions, the volume ratio of methanol to water is 40 to 60 for 0.00 min; the volume ratio of methanol to water is 90 to 10 for 1.90 min; the volume ratio of methanol to water is 90 to 10 for 6.00 min; the volume ratio of methanol to water is 40 to 60 for 6.01 min; 9.00 min. The five isothiazolinone antibacterial finishing agents are separated, a good baseline separation effect can be achieved, and peak types are sharp and symmetric.

The invention relates to preparation and application of a copper-molybdenum separation inhibitor. The preparation method of the inhibitor comprises the following steps that under a catalytic stirringcondition, the reaction of mercaptoacetic acid with monoethanolamine is carried out at the temperature of 90-100 DEG C, the reaction time is 4-5 hours, and the copper-molybdenum separation inhibitor,specially, N-(2-hydroxyethyl)-2-mercaptoacetamide which is subjected to dehydration condensation kneading is obtained; the application of the prepared copper-molybdenum separation inhibitor is characterized in that the copper-molybdenum separation inhibitor is applied to flotation separation of copper-molybdenum mixed concentrate, the N-(2-hydroxyethyl)-2-mercaptoacetamide is prepared, and strongparent-mine polar group (-SH) and hydrophilic polar group (-OH and -CONH) are provided, so that the copper ore can be effectively inhibited, and the copper and molybdenum separation is achieved; the inhibitor is simple in preparation method, remarkable in inhibition effect, less in use amount, free of pungent smell, stable in property, safety in addition and convenient to use; and the N-(2-hydroxyethyl)-2-mercaptoacetamide is matched with sodium sulfide to use so that the synergistic effect can be brought into full play, the copper-molybdenum separation precision is improved, and the method isparticularly suitable for flotation separation application of molybdenite and copper sulfide ore in the copper-molybdenum mixed concentrate.

The invention provides a tool box and a kit for rapid extraction of nucleic acid, and a method for rapid extraction of nucleic acid, which are mainly used for rapidly extracting nucleic acid (including RNA and DNA) from various clinical samples. According to the invention, a nucleic acid extraction device and a reagent are combined as an integrative device which mainly comprises an injection syringe, a hollow adaptor, a nucleic acid adsorbed film tube, a sample adding needle, various pipes for accommodating different reagents, a pipe frame and other parts; a pure nucleic acid solution for downstream experiments can be obtained through the following steps of lysis treatment on a clinical sample, suction by the injection syringe, adsorption of nucleic acid by a nucleic acid adsorbed film, rinse of the nucleic acid adsorbed film with a rinse liquid, elution of nucleic acid with an eluant, and the like.

The invention relates to the technical field of municipal construction, and discloses a garbage collecting and putting device for municipal construction. A device partition board is fixedly arranged in a garbage outer box, the top and the bottom of the device partition board are fixedly connected with the top and the bottom of the inner wall of the garbage outer box, a limiting casing plate is fixedly arranged on the right side of the device partition board, and a positioning pedal plate is fixedly arranged on the bottom of the right side of the garbage outer box. According to the garbage collecting and putting device for municipal construction, the outer casing rod is driven by the pedal plate to carry out downward pressing, then, the length of an inner shrinkage rod inserted into the outer casing rod is increased, a sliding groove and a box cover plate are driven to pull a can cover open, the contact with garbage equipment through hands can be avoided, the bacterium pollution on thegarbage in a garbage device is reduced, safety of the garbage device is improved, meanwhile, the phenomenon that the hand of a worker is full of garbage, and cannot open the garbage device is avoided,the defect that a worker needs to open the can cover through the hand, and sanitation is poor is avoided, and the effect that the garbage collecting and putting device is tread, and the can cover isopened can be achieved.

The invention relates to an embedded machine wire box structure of a prefabricated panel. The structure comprises a casing pipe and at least one pipeline, the pipeline penetrates through the side wallof the casing pipe and extends into the casing pipe, a combined embedded part is formed, the combined embedded part is embedded in a prefabricated panel, the casing pipe is transversely mounted, thepipeline is longitudinally mounted, the casing pipe connects with the inner side of the prefabricated panel, the inner diameter of the casing pipe is larger than the outer diameter of a wire box prepared to be connected with the pipeline, a system finished product embedded part composed of the pipeline and the casing pipe is adopted, the casing pipe can avoid conditions of wire box deviation and inclining and the like during factory embedding, wire box positioning can be effectively adjusted in the casing pipe area on site, positioning accuracy is ensured, meanwhile, the casing pipe can ensurethat the construction site does not need to do work of wall chiseling and the like, it is ensured that during construction, a main structure is not damaged, and structure safety is ensured.

The present invention discloses a rice bran oil dewaxing process, wherein the rice bran oil has the high wax content, and a dewaxing and degreasing double-stage winterization process is adopted. According to the process, the dewaxing process temperature is about 16-18 DEG C, and the degreasing process temperature is about 5 DEG C, such that the bran wax has the low oil content; after crude oil is heated, the solid impurity is removed through filtration with a fine filter, and the obtained material enters a crystallization tank to carry out crystallization and crystal cultivating; and the heat of the edible oil is replaced through a refrigerant with a freezer so as to achieve solid-liquid separation of the bran wax crystal and the edible oil, the high position tank high position pressure difference is adopted so as not to break the crystal grains, and the press-in thermal unloading type filter is adopted to carry out solid-liquid separation so as to achieve the large-scale production mode.

The invention discloses a solid-liquid separator which comprises a first separation box and a second separation box, wherein a feeding pipeline is arranged at the top of the first separation box; a top cover is arranged at the top of the feeding pipeline. The solid-liquid separator provided by the invention achieves the separation effect by arranging the first separation box, in which a first separation shaft and a second separation shaft are arranged to separate water possibly contained in solid; the solid and the liquid can be separated secondarily through a pinion wheel arranged inside the second separation box, to achieve a better separation effect; the solid and the liquid in the first separation box can be separated by arranging a first filter plate; the first filter plate is inclined, so that the solid is preferably discharged from a first outlet and filter residues cannot block a filter opening; the solid and liquid can be separated more thoroughly by arranging a second filter plate and a third filter plate in a machine body in a beveling manner, so that the filter residues do not block filter holes.

The invention discloses a water conservancy desilting device with the high using efficiency. The water conservancy desilting device comprises a ship body, a silt storing tank is arranged at the axis of the top of the ship body, a silt and water separating device is fixedly connected to the right side of the top of the ship body, a silt outlet pipe is connected to the bottom of the left side of thesilt and water separating device in a communicating mode, and the end, far away from the silt and water separating device, of the silt outlet pipe extends into the silt storing tank. According to thewater conservancy desilting device with the high using efficiency, the effect of removing silt in an adsorption mode can be achieved by arranging a slurry pump, the effect of separating the silt andwater is achieved through the silt and water separating device, the effect of removing the silt and sundries in an adsorption mode can be achieved through a second adsorption pipe and a second adsorption port, the effect of removing the silt in an adsorption mode can be achieved through a first adsorption pipe and a first adsorption port, the effect of removing the sundries is achieved through anelectric telescopic rod, the effect of collecting the sundries is achieved through a collecting block and a collecting cavity, therefore, the condition that the silt and the sundries block a pipelineis avoided, and the desilting efficiency is guaranteed.

The invention discloses a device for real time online monitoring the concentration of SO3 gas in flue gas. A light source, a collimation lens, a gas absorption pool, a focusing lens, a photoelectric detector and data processing equipment are arranged in sequence from left to right, wherein the top inner wall of the gas absorption pool is provided with a first electrode; the bottom inner wall of the gas absorption pool is provided with a second electrode; the first electrode and the second electrode are connected with a power supply. The device has the beneficial effects that a non-uniform electric field is coupled into the gas absorption pool, and SO2 and H2O molecules are enriched in an area with high electric field intensity, so that the effect of separating the SO3 gas is achieved. Theabsorption characteristic peaks of the SO3 gas in the flue gas under a non-uniform electric field environment are scanned by laser light of corresponding wavebands to obtain a high-fineness absorptionspectrum of the gas, and high-accuracy real-time online analysis of the SO3 gas is performed by relevant technical means such as TDLAS (Tunable Diode Laser Absorption Spectroscopy).