1237results about How to "Reduce the introduction" patented technology

An apparatus and method for the purification of contaminated water whereby the contamination level of the wastewater is automatically monitored and treatment self-adjusted and continued until the desired level of purification is reached. Specifically, if upon treatment a pre-set purification level is not obtained a water recycle control means completely precludes the uptake of additional contaminated water and recycles wastewater within the apparatus until the desired level of purification is obtained. The present invention more particularly pertains to an efficient, turn key, economical, movable, automatic and compact apparatus and method for treating a fluid with ozone comprising multiple pressurized contact columns which are arranged in a hybrid parallel and series column configuration, which utilizes a unique water recycle control system and piping arrangement to improve the efficiency of the mass transfer of ozone into the water and increase its solubility by increasing the contact time between the water phase and the gas phase. The apparatus and method of the present invention has the further advantage that it requires minimal installation and may be used to fulfill the clean and safe water needs of any hotel, resort, restaurant, hospital, light industry, commercial business, apartment complex or small city.

An atomic layer deposition (ALD) process deposits thin films for microelectronic structures, such as advanced gap and tunnel junction applications, by plasma annealing at varying film thicknesses to obtain desired intrinsic film stress and breakdown film strength. The primary advantage of the ALD process is the near 100% step coverage with properties that are uniform along sidewalls. The process provides smooth (R_a˜2 Å), pure (impurities<1 at. %), AlO_x films with improved breakdown strength (9–10 MV/cm) with a commercially feasible throughput.

The invention relates to silicon rubber with high refractive index and high transparency for optical encapsulation and a preparation method thereof. The silicon rubber is prepared from a phenyl vinyl polysiloxane component A, a silicon resin component B containing phenyl vinyl, a phenyl component C containing hydrogen polyoxyalkylene, a platinum catalyst component D, a catalytic inhibitor component E, a modified polysiloxane component F, and a water remover component G in a mixing manner. The silicon rubber not only has over 1.50 of refractive index, but also is good in transparency, excellent in adhesion, and stable in performance, can resist heat and ultraviolet radiation for a long period of time, can meet various requirements of LED (light-emitting diode) encapsulation, and is an ideal encapsulation material of the LED. The silicon rubber can be packaged into a bi-component product; the product has good storage stability; and high transparency is still kept after the product is stored for over 6 months.

Sterilisation apparatus arranged controllably to generate and emit hydroxyl radicals. The apparatus includes an applicator which receives RF or microwave energy, gas and water mist in a hydroxyl radical generating region. The impedance at the hydroxyl radical generating region is controlled to be high to promote creation of an ionisation discharge which in turn generates hydroxyl radicals when water mist is present. The applicator may be a coaxial assembly or waveguide. A dynamic tuning mechanism e.g. integrated in the applicator may control the impedance at the hydroxyl radical generating region. The mist and/or gas and/or energy delivery means may be integrated with each other.

The invention discloses a medlar and red date enzyme and a preparation method thereof, which belong to the technical field of enzyme preparation. Multi-strain composite fungi powder is adopted as a leavening agent; the medlar and the red date are adopted as main raw materials; dietary fiber, pectin hydrolyzate, seasoner extracting liquor, Chinese herbal medicine extracting liquor, enzyme stabilizer and other multifunctional auxiliary raw materials are scientifically compounded and modified; low-temperature processing technology such as ultrasonic cleaning, cryogenic grinding, microwave-assisted high-voltage pulse electric field processing and ultrasonic ripening are mainly adopted in the whole process, so that the natural colors, the flavor, the taste and the content of the active materials of the medlar and the red date are maintained furthest, the biological stability, the non-biological stability and the biological activity of the medlar and red date enzyme are obviously enhanced, the introduction of chemical addition agent is reduced, and the juicing rate of the medlar and the red date as well as the food safety of the enzyme are improved. Finally, the medlar and red date enzyme with high biological activity, strong stability, strong taste, flavor and appetite, long expiration date and edible safety is prepared.

A heat transfer engine having cooling and heating modes of reversible operation, in which heat can be effectively transferred within diverse user environments for cooling, heating and dehumidification applications. The heat transfer engine of the present invention includes a rotor structure which is rotatably supported within a stator structure. The stator has primary and secondary heat exchanging chambers in thermal isolation from each other. The rotor has primary and secondary heat transferring portions within which a closed fluid flow circuit is embodied. The closed fluid flow circuit within the rotor has a spiraled fluid-return passageway extending along its rotary shaft, and is charged with a refrigerant which is automatically circulated between the primary and secondary heat transferring portions of the rotor when the rotor is rotated within an optimized angular velocity range under the control of a temperature-responsive system controller. During the cooling mode of operation, the primary heat transfer portion of the rotor carries out an evaporation function within the primary heat exchanging chamber of the stator structure, while the secondary heat transfer portion of the rotor carries out a condenser function within the secondary heat exchanging chamber of the stator. During the cooling mode of operation, a vapor-compression refrigeration process is realized by the primary heat transfer portion of the rotor performing an evaporation function within the primary heat exchanging chamber of the stator structure, while the secondary heat transfer portion of the rotor performs a condenser function within the secondary heat exchanging chamber of the stator. During the heating mode of operation, a vapor-compression refrigeration process is realized by the primary heat transfer portion of the rotor performing a condenser function within the primary heat exchanging chamber of the stator structure, while the secondary heat transfer portion of the rotor performs an evaporation function within the secondary heat exchanging chamber of the stator. By virtue of the present invention, a technically feasible heat transfer engine is provided which avoids the need for conventional external compressors, while allowing the use of environmentally safe refrigerants. Various embodiments of the heat transfer engine are disclosed, in addition to methods of manufacture and fields and applications of use.

The invention discloses a three-dimensional structural description method of hepatic vascular system, which belongs to the field of medical liver division. The method comprises the following steps of: firstly, dividing a hepatic image and a hepatic vascular image, structurally analyzing the hepatic vascular three-dimensional image, skeletonizing the liver and the blood vessel, and marking the skeletonized voxel points; next, storing the marked voxel points to data structure of multi-branch tree; then, distinguishing main and branch blood vessels according to master slave relation of the voxelpoints in the multi-branch tree; finally, dividing the liver body into multiple liver segments according to relation between the blood vessels in the hepatic vascular system. By the three-dimensionalstructural description method of hepatic vascular system, accurate division of liver is realized so that guidance is provided for accurate removal of liver.

The invention provides a gas atomization preparation method of fine spherical titanium or titanium alloy powder. The method comprises the following steps: 1) selecting titanium sponge, titanium hydride or titanium for proportioning with at least two kinds of alloy elements; 2) performing vacuum pre-pumping treatment to a smelting chamber and an atomization chamber, and then infilling argon or nitrogen shield gas; 3) smelting the titanium-containing mixture by using a water-cooled copper crucible to form titanium or titanium alloy melt; 4) performing atomization and hydrogenation to the titanium or titanium alloy melt by adopting a dual-layer atomizing nozzle to obtain powder; 5) after the powder is cooled, collecting the fine spherical titanium or titanium alloy powder through cyclone separation.

A method for preparing Inconel 625 alloy spherical powder comprises following steps: according to the AMS 5666G standard, two-time vacuum smelting of alloy ingredient compositions and a master ingot is carried out; through forging and mechanical machining, the master ingot is made into an alloy electrode bar; atomizing equipment is subject to pre-vacuum-pumping treatment, mixed inert shielding gas is led into the atomizing equipment, and the pressure ranges from 0.1*105 Pa to 3*105 Pa; the electrode bar is fed into an atomizing chamber through a feeding system, a plasma torch is used for heating the end face of the electrode bar, metal liquid drops are prepared through the centrifugal effect of a rotating electrode, and the metal liquid drops are instantly solidified into the spherical metal powder; and a powder collecting device containing an electrostatic separation component carries out inclusion removing treatment and pure powder collection on the metal spherical powder. The method has the beneficial effects of being high in production efficiency, high in batch stability, high in fine powder yield and the like and can easily prepare the Inconel 625 alloy spherical powder with the high purification, the good sphericility degree and the high liquidity.

The invention provides a stainless steel degreasing agent, which comprises the following components in percentage by weight: 5 to 25 percent of organic solvent, 2 to 5 percent of corrosion inhibitor, 10 to 25 percent of surfactant, 5 to 10 percent of inorganic salt, 1 to 3 percent of defoaming agent and the balance of deionized water, wherein the organic solvent is bromohydrocarbon; the corrosion inhibitor is sodium benzoate, ammonium benzoate, triethanolamine, ethanolamine or benzotriazole; the surfactant is one or more of alkylphenol polyoxyethylene ether and fatty alcohol-polyoxyethylene ether; the inorganic salt is alkaline salt; and the defoaming agent is tributyl phosphate, organic silicon, oleic acid or sodium oleate. The stainless steel degreasing agent can replace the currently used ODS cleaning agents, can achieve the cleaning effect of the ODS cleaning agents, does not damage the surface of the stainless steel, has obvious cleaning effect, can clean a large number of products, and does not harm a human body; and the preparation method is simple, safe, and environment-friendly.

The invention relates to a method for recycling metals from a waste catalyst containing molybdenum and nickel, which comprises the following steps of: roasting and smashing the waste catalyst containing the molybdenum and nickel; mixing with an alkaline substance and roasting; leaching by using a mixed acid liquid; depositing by using an alkaline solution, wherein molybdenum is deposited out in the form of ammonium molybdate; further dissolving the ammonium molybdate by using ammonia water; regulating a pH value to obtain ammonium molybdate deposition; and drying to obtain an ammonium molybdate product. The method is particularly suitable for extracting high-purity ammonium molybdate from the aluminum-based waste catalyst containing the molybdenume, and has the advantages of simple process, strong operability, low energy consumption, and stable produced product quality.

The invention provides a preparation method of cyaniding-3-O-glucoside chloride. Specifically, the method comprises the steps of: subjecting purple crops as the raw materials to an extraction with an extract of ethanol water solution with a volume fraction of 30-80% and a pH value of 1-4, leaving the obtained anthocyanidin crude extract to an ultrafiltration treatment through an ultrafilter membrane with a molecular weight cut-off of 1000-5000 D, and freeze drying the filtrate so as to obtain filtrate dry powder with a molecular weight less than 1000-5000 D, preparing a column-loading solution of 0.05-5wt% with the filtrate dry powder and water, purifying the filtrate dry powder preliminarily on a gel chromatographic column, conducting elution and collecting the eluent located at a position of 520nm and with an absorption peak, and reserving fractions containing cyaniding-3-O-glucoside chloride; purifying the fractions containing cyaniding-3-O-glucoside chloride further with preparative HPLC (high performance liquid chromatography), and collecting cyaniding-3-O-glucoside chloride absorption peaks. According to the invention, by improving the conditions and operations of extraction separation and purification, sugar, protein, other types of anthocyanin and flavonoid pigments in extracts can be effectively removed. Meanwhile, with simple steps and safe reagents, the method of the invention is beneficial for obtaining high purity cyaniding-3-O-glucoside chloride products.

Disclosed are apparatus and methods for preparing wellbore viscous treatment gels from dry polymer and water. The apparatus includes an eductor which slurries dry polymer with water, at least two input tubes, wherein one input tube is connected with the eductor, and another to a water source. The apparatus also includes a mixing chimney connected to the input tubes. The mixing chimney includes a lower input section with inlets connected to the input tubes wherein a jet of metered dilution water is applied at high pressure to the incoming polymer-water slurry stream. This mixture is then accelerated in a circular, and preferably upward, motion where it is sheared against the wall of a central section of the chimney, without the use of an impeller. The chimney further includes an output section that comprising holes circumferentially located, through which the mixture passes from the central section and into a hydration tank. The mixture exiting the chimney is polymer-water gel which is essentially fully mixed and de-aerated, and at least partially hydrated.

A method is provided for connecting components particularly in the field of aerospace wherein a first component is connected to a second component, comprising the following steps: arranging at least one nano- or microstructured material between the first and the second component, initiating an exothermic reaction of the nano- or microstructured material for connecting both components with each other.

The invention discloses a preparation method for a tea extract, belonging to the technical field of extraction of effective components of tea leaves. The preparation method comprises the following steps: firstly, carrying out low-temperature rapid freezing treatment on high-quality commercial tea leaves; then immediately crushing; then combining a high-voltage pulsed electric field (PEF for short) technology, an ultrasonic treatment technology and a low-temperature enzymolysis technology; and carrying out low-temperature extraction in a whole process. According to the preparation method for the tea extract, the loss of effective components, caused by high-temperature processing, is avoided, and the extraction rate of the effective components of the tea leaves is also improved. The process is simple and low in cost; the introduction amount of extraneous food additives, processing auxiliary agents and chemical substances is reduced; the natural nutritional ingredient and the flavor of the tea leaves are kept to the greatest extent, the low-carbon production is realized and the environment is protected.

The invention discloses a charge pump output voltage regulation circuit, which regulates the output voltage of a charge pump so as to generate a required stable voltage value. The voltage regulation circuit comprises a CMOS phase inverter unit and a PMOS transistor, wherein the CMOS phase inverter unit receives a clock input signal from the charge pump and feeds the inverted clock input signal back to the charge pump; and a source electrode of the PMOS transistor is coupled with the input voltage of the charge pump, a grid electrode of the PMOS transistor is coupled with a feedback signal of the output voltage of the charge pump, and a drain electrode of the PMOS transistor is connected with the power input end of the charge pump and the CMOS phase inverter unit. The mode reduces the introduction of an additional analog circuit, reduces the complexity of the circuit and improves the stability of the circuit.

The invention discloses a method for preparing a graphene oxide. The graphene oxide is prepared from a graphite raw material in a mode that mechanical action and oxidation reaction are combined. The method comprises the following steps of: mixing an oxidant with the graphite raw material, subsequently preparing the graphene oxide by employing mechanical action, adding the oxidant after the graphite raw material is subjected to mechanical action so as to prepare the graphene oxide, and adding the oxidant after the graphite raw material is subjected to mechanical action so as to carry out oxidation reaction and prepare the graphene oxide. According to the method, strong acids and strong oxidants required in a chemical oxidation method are abandoned, so that the introduction of byproducts and impurities is greatly reduced, the separation and the purification are convenient, the process procedures are reduced, the treatment time of a mechanical milling method is shortened, the energy consumption is reduced, and the yield is greatly increased. With the combination of the two methods, the graphene oxide can be prepared at one step within the shortest time, the yield is greater than 20%, the graphite oxide can be stably suspended under a centrifugal condition of 16,000rpm without ultrasound, and the method has the characteristics of rapidness, simplicity, convenience, environmental-protection and efficiency.

The invention relates to a process for preparing polyetheretherketone products, which is characterized in that the process comprises adopting Na2CO3 to be condensating agent, leading 4, 4'- difluorobenzophenone, hydroquinone and diresorcinol to have polymerization reaction, improving the reaction temperature after producing the relative prepolymer, and secondly adding hydroquinone to be chain extender to react for a period of time to prepare polyetheretherketone products with high viscosity.

The present invention provides a method. The method includes configuring a remote device (UE) for measurements of at least one carrier in a first frequency band which is different from a second frequency band licensed for communication by the remote device, receiving a measurement report from the remote device, and deciding on the usability of the at least one measured carrier in the first frequency band for communication by the remote device. A method is also provided and the method includes measuring at least one carrier in a first frequency band which is different from a second frequency band which is licensed used for communication by a remote device, and sending, to a network transceiver device, a measurement report of the measurements. Likewise, corresponding computer program products as well as correspondingly configured devices are provided.

The invention aims to provide an entecavir compound prepared in a novel method. The reaction procedures in the preparation method of the entecavir compound are simplified. Moreover, isopropyl is adopted as a protection agent. Since the steric hindrance can function as multiple types of directional substitution, the invention reduces the introduction of heterogeneous impurities. The reaction in multiple procedures needs no strict operating conditions. Therefore, the invention lays a foundation for industrial production.

The present invention discloses a watermelon juice probiotic fermented beverage and a preparation method thereof. The beverage preparation method uses watermelons as raw materials, scientifically blends prebiotic factors, does not add any essences and coloring matters, mainly uses low-temperature processing technology such as ultrasonic wave cleaning, high-pressure pulsed electric field treatment, biological enzymolysis, vacuum degassing, etc. in the whole process, replaces the existing heat sterilization and enzyme blunting technology, maintains the color and luster, flavor and mouth feel of the natural watermelon juice to a maximum degree, enhances the non-biological stability and biological stability of the watermelon juice, reduces the addition of chemical additives, increases the juice squeezing rate and food safety of the watermelon juice, and has a probiotic live bacteria content of 7 multiplied by 10^11 to 8 multiplied by 10^11 cfu/ml. The watermelon juice probiotic fermented beverage is environmentally friendly, can be processed into probiotic solid beverage and quantitatively packaged beverage which have natural taste, are nutritious and health-care, are convenient to drink, and have longer shelf lives, opens up a new way for watermelon deep processing and industrial development, and can achieve better economic and social benefits.

The invention relates to a distance measuring method of a significant target in a binocular image. The distance measuring method of the significant target in the binocular image aims to solve the problem that an existing target distance measuring method is low in the processing speed. The method includes the steps that step 1, significant feature extraction is conducted on the binocular image through a visual significance model, and a seed point and a background point are marked; step 2, a weighed graph is established for the binocular image; step 3, a significant target in the binocular image is partitioned through a random walk image partitioning algorithm by means of the seed point and the background point in step 1 and the weighed graph in step 2; step 4, key point matching is conducted on the significant target separately through an SIFT algorithm; step 5, the significant target distance is worked out by applying a parallax matrix K' worked out in step 4 into a binocular distance measuring model. The distance measuring method can be applied to distance measurement of the significant target of the image in front of the vision in the intelligent automobile running process.