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Method for activating and adjusting mineralized bubbles in vulcanizing flotation process of copper oxide ores

InactiveCN102366731AThe cumulative recovery rate is largeThe cumulative recovery rate increased greatlyFlotationFoaming agentCopper oxide
The invention provides a method for activating and adjusting mineralized bubbles in the vulcanizing flotation process of copper oxide ores. The method comprises pre-stage flotation, post-stage flotation and selection; after grinding and mixing, a vulcanizing agent, a collecting agent and a foaming agent are added in each sub-stage of the pre-stage flotation; the mineralized bubble adjusting agent I, a vulcanizing agent, an activating agent, a collecting agent and a foaming agent are added in each sub-stage of the post-stage flotation; and the mineralized bubble adjusting agent II, a vulcanizing agent and a collecting agent are added in each sub-stage of the selection so as to obtain copper concentrate and tailings. The method provided by the invention has the advantages that: the mineralized bubble adjusting agent is correspondingly added when the activating agent is added in the post-stage flotation so as to avoid excessively large bubbles caused by adding the activating agent only, and the production operation is convenient; and compared with the conventional vulcanizing flotation method and conventional activating flotation method, by adopting the medicine adding method and flow structure provided by the invention, the method can improve the recovery rate of copper concentrate by 8-14% while ensuring similar grades of the copper concentrate.
Owner:KUNMING UNIV OF SCI & TECH

Vehicle speed control system and vehicle speed control method of vehicle

If a condition for finishing speed limit control is satisfied, a gradient of a slope of the road is estimated based on a steady component of the longitudinal acceleration of the vehicle, and a correction factor is computed based on the slope gradient of the road, while a target acceleration of the vehicle is computed based on the vehicle speed. Then, a target vehicle speed is computed by adding the target vehicle speed of the last cycle to the product of the correction factor, target acceleration and the cycle time of the control, and the braking or driving force of each wheel is controlled so that the vehicle speed becomes equal to the target vehicle speed. In this manner, a passenger of the vehicle is prevented from feeling uncomfortable about the speed increase after the completion of the vehicle speed limit control.
Owner:TOYOTA JIDOSHA KK +1

Cleaning method of ultrafiltration membrane

The invention discloses a cleaning method of an ultrafiltration membrane. The cleaning method is used for mainly treating the pollution form of the ultrafiltration membrane with inorganic scales coated with organic scales. The method comprises the following steps: (1) preparing an acid cleaning solution; (2) carrying out acid pickling: carrying out circulating cleaning on the ultrafiltration membrane by using the acid cleaning solution, controlling the pH value of the cleaning solution to be 1.5-3 and controlling the cleaning temperature to be 38-41 DEG C; (3) carrying out primary flushing and removing residual acid cleaning solution in the ultrafiltration membrane; (4) preparing an alkaline cleaning solution; (5) carrying out alkaline washing: carrying out circulating cleaning on the ultrafiltration membrane by using the alkaline cleaning solution, controlling the pH value of the cleaning solution to be 10.5-11.5 and controlling the cleaning temperature to be 38-41 DEG C; and (6) carrying out secondary flushing and removing the residual alkaline cleaning solution in the ultrafiltration membrane. According to the method, various organic matters intercepted on ultrafiltration membrane pores can be efficiently removed, the water yield of the ultrafiltration membrane is increased, the operation pressure of the ultrafiltration membrane is reduced and stable operation of a landfill leachate ultrafiltration membrane treatment system is ensured.
Owner:HUNAN JUNXIN ENVIRONMENTAL PROTECTION CO LTD

Vertically foldable memory array structure

A vertically foldable memory array structure is provided, comprising: a memory module distributed in columns and rows, comprising: a drain selection transistor; a bottom connecting line and a source selection transistor; and a plurality of memory cell transistors connected between the drain selection transistor and the bottom connecting line and between the source selection transistor and the bottom connecting line, a drain of each drain selection transistor is connected to a bit line, a drain of a drain selection transistor in a Mth vertically foldable memory module in a Nth column and a source of a source selection transistor in a (M−1)th memory module in a (N+1)th column are connected to a same bit line, gates of the drain selection transistors and the source selection transistors in all the memory modules in the Nth column are connected to a same drain selection line and a same source selection line.
Owner:TSINGHUA UNIV

Method for preparing gasoline and diesel by oil washing hydrogenation

The invention discloses a method using the washing oil produced by the coal tar to prepare gasoline and diesel with hydrogen, which is essentially characterized in that the washing oil produced during the coal carbonization process is mixed with the hydrogen to obtain the hydrogenation oil through a reactor filled with protective agent, demetalization activator, hydrogenation refined activator and / or hydrogenation modified activator; the hydrogenation oil enters into a high-pressure separator; and the hydrogen obtained at the upper part is recycled to use, and the materials at the lower part are stripped or fractionated to obtain gasoline (naphtha) and diesel. The method can effectively produce high-quality and clean diesel products with washing oil.
Owner:胜帮科技股份有限公司

Inducer, and inducer-equipped pump

The present invention is concerned with an axial-flow or mixed-flow inducer (3) which is disposed upstream of a main impeller (2) for improving the suction capability of a pump such as a turbopump. In the inducer (3), a blade angle (βbt) from a tip (T1) to a hub (H1) at a blade leading edge (31) is substantially the same as an inlet flow angle (β1−t) at a designed flow rate.
Owner:EBARA CORP

Multi-inlet mass spectrometer

InactiveUS6914240B2Increased rate is largeImprove speed of analysisTime-of-flight spectrometersSamples introduction/extractionInlet channelMass analyzer
A mass spectrometer has an ion source (10) with a plurality of atmospheric pressure sample ioniser (20) mounted in a front face (15) thereof. Each sample ioniser (20) extends into a corresponding sample region (30) and the tip of each sample ioniser is mounted at right-angles to a corresponding one of a plurality of entrance cones (50) each having an entrance orifice (40) therein. Each entrance cone (50) in turn opens into an inlet channel having first and second parts (60, 70). The two parts of the inlet channel are separated by an electrical gate (65). The inlet channels corresponding to each entrance cone (50) all merge into a common exit channel (90) to a mass spectrometer. By appropriate operation of the gates (65) dividing the inlet channels, rapid switching between the samples that are analysed in the mass analyser can be achieved.
Owner:THERMO FINNIGAN

Irrigation system and method for utilizing irrigation system to irrigate nyssa aquatica seedlings

ActiveCN103503741ASave on construction and maintenance costsEffective irrigation volumeClimate change adaptationWatering devicesWater contentSeedling
The invention discloses an irrigation system and a method for utilizing the irrigation system to irrigate nyssa aquatica seedlings. The irrigation system comprises a water channel system, cultivation containers and a water-saving irrigation control system, wherein the water channel system is composed of a plurality of water channels arranged on the earth's surface, the cultivation containers are placed in the water channels, and the bottoms of the cultivation containers are provided with through holes. The irrigation system can monitor the content of water in the soil in real time, irrigation is performed automatically towards the cultivation containers according to various parameter values set by a control unit, and an environment for normal growth of plants is guaranteed practically. The invention further discloses a method for utilizing the irrigation system to irrigate the nyssa aquatica seedlings. By using the system, the growth speed and quality of the nyssa aquatica seedlings are fully guaranteed.
Owner:CHONGQING ACADEMY OF FORESTRY SCI

Weak-acid slow controlled-release fertilizer

ActiveCN103755484ABreak the knotDisadvantages of breaking acid-base imbalanceAgriculture gas emission reductionFertilizer mixturesPhosphatePotassium
The invention discloses a weak-acid slow controlled-release fertilizer which is prepared from the following ingredients in parts by weight: 150-200 parts of potassium chloride, 200-250 parts of monoammonium phosphate, 370-400 parts of urea, 120-160 parts of ammonium chloride, 10-20 parts of sulfuric acid, 2-8 parts of a urease inhibitor, 2-8 parts of urea formaldehyde, 20-30 parts of synthetic ammonium, 2-8 parts of a nitrification inhibitor, 1-4 parts of an ammonium stabilizer, 0.3-0.8 part of a phosphorus activator, 0.3-0.8 part of a protective agent, 0.3-0.8 part of heptahydrate, 0.3-0.8 part of water-soluble silicon and 0.8-1.5 parts of an additive. The fertilizer has the advantages as follows: the fertilizer efficiency period is long, the nutrient utilization rate is high, the physical properties are good, and the environmental pollution is reduced greatly.
Owner:SHENYANG SIXIONGDI FERTILIZER

Starting circuit for single-phase induction motor

A starting circuit for a single-phase induction motor includes a motor starting positive characteristic thermistor and a triac arranged in a series connection, and a triac control positive characteristic thermistor connected in parallel with the motor starting positive characteristic thermistor, and including one terminal thereof connected to a gate of the triac. The triac control positive characteristic thermistor has a volume in the range of about 4.5 mm3 to about 30 mm3. The relationship of (√2×V×sin 45°) / R≧I is maintained with the triac control positive characteristic thermistor within an operating temperature range, where V represents a root-mean-square value of a power source voltage, R represents a resistance of the triac control positive characteristic thermistor, and I represents a gate turn-on current of the triac. The gate turn-on current I at an operating temperature of about 25° C. is about 20 mA or less.
Owner:MURATA MFG CO LTD

Method for preparing titanium-rich material with chlorination capacity from low-grade natural rutile

The invention discloses a method for preparing a titanium-rich material with chlorination capacity from low-grade natural rutile, and relates to the field of titanium chemical. The method comprises the following steps: performing magnetic separation on the low-grade natural rutile to obtain natural rutile concentrate and ilmenite, adding an acid solution and a leaching aid capable of ionizing fluoride in a solution sequentially to the natural rutile concentrate for a leaching reaction, performing solid-liquid separation to obtain a solid material and acid leached mother liquor, washing the solid material until the solid material is neutral, and then performing drying to prepare the qualified titanium-rich material with chlorination capacity. The method is low in energy consumption and cost, short in technological process and environmentally friendly, good impurity removal effect is realized, content of TiO2 in natural rutile can be increased greatly, and titanium recovery rate is highand can reach 95% or higher.
Owner:YIBIN TIANYUAN GRP CO LTD

Electroionic cellular agitation apparatus for influencing the metabolic cellular functions and method therefore

An electroionic cellular agitation apparatus for the biophysical stimulation of the cellular metabolism of live systems uses a generator emitting high-voltage pulses at time intervals typically comprised between 1 ms and 100 ms, corresponding to a pulse-frequency pf between 1,000 and 10 pulses / second, respectively, and which by means of a capacitive application device generates an electrical flow penetrating the soft and osseous tissues and originating short duration electrical impulsive forces on the ions situated within and outside the cells thus causing an ionic agitation influencing the metabolic characteristics to increase the development of bacterial and fungal cultures, soft and osseous live tissues, and also for the treatment of a variety of ailments, thus attaining an anticipated healing and the reduction of rehabilitation times. The range for the voltage and pulse frequency values are selected such that the RMS value of the electrical current density has a power level that does not cause any significant heating on said tissues.
Owner:SPEERLI RODOLFO C

Efficient air conditioning unit with multiple refrigerant loops

The invention relates to an efficient air conditioning unit with multiple refrigerant loops. The efficient air conditioning unit comprises an outdoor heat exchanger with multiple refrigerant flow paths, an indoor heat exchanger with multiple refrigerant flow paths, a plurality of compressors and a plurality of refrigerant circulating throttling devices, wherein the outdoor heat exchanger with the multiple refrigerant flow paths is equipped with a plurality of refrigerant channels; the indoor heat exchanger with the multiple refrigerant flow paths is equipped with a plurality of refrigerant channels; and one refrigerant channel of the outdoor heat exchanger with multiple refrigerant flow paths, one compressor, one refrigerant channel of the indoor heat exchanger with multiple refrigerant flow paths, and one circulating throttling device separately communicate to form a plurality of refrigerant circulating loops. Compared with the prior art, the efficient air conditioning unit has the advantages that by increasing quantity of refrigerant loops in the air conditioning unit, a plurality of condensing temperatures and evaporating temperatures, which have certain temperature gradient, are created, non-uniformity of heat exchange temperature difference is improved, and efficiency of a steam compression air conditioning unit is improved.
Owner:TONGJI UNIV

Full-load denitrification system for boiler deep peak load regulation and operation method thereof

The invention discloses a full-load denitrification system for boiler deep peak load regulation and an operation method thereof. The system has a structure that a main flue is sequentially provided with a tail flue shaft steering chamber, a heater and an economizer along the flow direction of flue gas; the inlet of a bypass flue is communicated with the tail flue shaft steering chamber, and the outlet of the bypass flue is set on the flue at the entrance of an SCR reactor; the economizer is connected with a water supply pipe; a No.0 high pressure heater, a No.1 high pressure heater, a No.2 high pressure heater, a No.3 high pressure heater, a water supply pump and a deaerator are provided in sequence on the water supply pipe along the opposite direction of water supply; the No.0 high pressure heater is connected with a No.0 high pressure pump-out pipe, and the No.0 high pressure pump-out pipe is provided with a No.0 high pressure pump-out pipe regulating valve. The system provided by the invention can realize the full-load denitrification of a unit and the regulation of the operating flue gas temperature by controlling the flue gas flow rate of the flue gas bypass and coupling and putting the No.0 high pressure heater into operation.
Owner:STATE GRID SHAANXI ELECTRIC POWER RES INST +2

Application of maize secretory phospholipase A2 gene ZmsPLA2-2 to changes in plant drought resistance properties

The invention discloses application of a maize secretory phospholipase A2 gene ZmsPLA2-2 to changes in plant drought resistance properties. According to the application, the maize secretory phospholipase A2 gene ZmsPLA2-2 is cloned from maize and recombined into a plan expression vector in the sense or anti-sense form; the obtained fusion genes are introduced into plants according to a transgenic technology; through measurement on the drought resistance properties of the transgenic plants, the transgenic plants of which the drought resistance properties obviously improved or reduced and progenies of such transgenic plants are screened out, so that new plant germplasms with application value are created. The cDNA sequence of the maize secretory phospholipase A2 gene ZmsPLA2-2 is show as SEQ ID No.1, and the amino acid sequence encoded by the maize secretory phospholipase A2 gene ZmsPLA2-2 is shown as SEQ ID No.2. The plants of which the drought resistance properties can be changed are cultivated herbage crops such as poa annua, herbage, maize and cotton. The application of the maize secretory phospholipase A2 gene ZmsPLA2-2 has an important meaning in improvement of the crop yield under drought stress.
Owner:SHANDONG UNIV

Screening method of cell strain of GS expression system

The invention relates to a screening method of a cell strain of a GS expression system. The method includes the steps of: pressurizing methionine sulphoximine, selecting a cell pool being 25-35% in cell activity for performing monoclonal screening, and adding the cell pool to a semi-solid culture medium containing 10% of a conditional culture medium to form mono-clone (wherein final cell concentration is 150 cells / ml), and then performing screening and amplified cultivation to obtain a high-expression cell strain through a high-throughput cell screening system, and performing stability evaluation to the screened high-expression cell strain. The method can be used for obtaining the cell strain being more than 90% in stability.
Owner:SUNSHINE LAKE PHARM CO LTD

Insulating elevator

The invention relates to an electrical appliance, namely an insulating elevator which comprises a herring bone ladder (1) composed of two inclined ladders. The insulating elevator is characterized in that an elevating scaffold (3) is mounted between the upper ends of the two inclined ladders (2) of the herring bone ladder (1), wherein the elevating scaffold (3) is provided with slideways (9) which are in sliding fit with two branch side frames (13) of a vertical ladder (5). The insulating elevator has the beneficial effects: the vertical ladder can perpendicularly elevate along the elevating scaffold, the height regulating range is great, the occupied space is small, the carrying is convenient, the structure is simple, the use is convenient, safe and reliable, a current herring bone ladder can be expected to be replaced, and the insulating elevator becomes a necessary tool for charged maintenance of a 10KV power distribution line.
Owner:STATE GRID CORP OF CHINA +1

Light Conversion Assembly, a Lamp and a Luminaire

A light conversion assembly 100, a lamp and a luminaire is provided. The light conversion assembly 100 comprises a first layer 108 and a second layer 106. The first layer 108 comprises first luminescent material. The first luminescent material comprises particles showing quantum confinement and have at least in one dimension a size in the nanometer range. The first layer is arranged to receive light 110 from a light source emitting light of a first spectral distribution in a violet or blue spectral range. The first spectral distribution has a first peak wavelength. The first layer 108 is configured to convert substantially all the received light 110 towards light 104 of a second spectral distribution in the blue spectral range, independently of the position of first spectral distribution in the violet or blue spectral range. The second spectral distribution has a second peak wavelength which is a longer wavelength than the first peak wavelength. The second layer 106 comprises a second luminescent material. The second layer is arranged to receive light 104 of the second spectral distribution and is configured to at least partially convert the received light 104 towards light 102 of a third spectral distribution being different from the first spectral distribution and the second spectral distribution.
Owner:LUMILEDS

Inducer, and inducer-equipped pump

The present invention is concerned with an axial-flow or mixed-flow inducer (3) which is disposed upstream of a main impeller (2) for improving the suction capability of a pump such as a turbopump. In the inducer (3), a blade angle (βbt) from a tip (T1) to a hub (H1) at a blade leading edge (31) is substantially the same as an inlet flow angle (β1-t) at a designed flow rate.
Owner:EBARA CORP

Method for preparing 2-(trifluoromethoxy) benzene sulfonamide

The invention provides a method for preparing 2-(trifluoromethoxy) benzene sulfonamide. The method comprises the following steps: taking o-amino (trifluoromethoxy) benzene as a raw material, generating salt forming reaction with inorganic acid, then generating diazo-reaction with nitrite, and finally generating chlorosulfonation reaction under the condition of coexistence of a cupric compound, sulfite and hydrochloric acid; enabling the product to generate aminating reaction with ammonium salt and strong base to prepare 2-(trifluoromethoxy) benzene sulfonamide. The raw materials used by the method are easily obtained and can be purchased in China. The method has the advantages of being simple in process, convenient to operate, high in product purity (larger than or equal to 99 percent), low in cost, safe and efficient, saving energy and reducing consumption, thereby being more suitable for industrialized mass production.
Owner:DALIAN QIKAI MEDICAL TECH

Underwater anti-dispersion high-strength acrylate grouting material

The invention relates to a novel composite underwater anti-dispersion high-strength acrylate grouting material which comprises a material A, a material B and a material C. The material A is composed of a calcium magnesium acrylate solution, deionized water, a surfactant, a calcium magnesium ion chelating agent, a cross-linking agent and an accelerant. The material B is prepared from an initiator and deionized water; the material C is prepared from superfine cement, a flocculating agent, steel slag microspheres, an active excitant and low-temperature expandable microspheres. According to the underwater anti-dispersion high-strength acrylate grouting material, the calcium-magnesium ion chelating agent is used as a retarder, so that the grouting material is green, environment-friendly, non-toxic and harmless; superfine cement is matched with a flocculating agent, so that the compressive strength and the water dispersion resistance are greatly improved, and meanwhile, heat is provided forexpansion of the low-temperature expandable microspheres; the low-temperature expandable microspheres are adopted, so that the slurry has excellent elasticity and tensile property while maintaining high compressive strength after hardening, and the elongation rate can reach 205%; and the steel slag microspheres are adopted, so that the viscosity of the slurry is sharply reduced to 8Pa. S, and thegrouting performance is excellent.
Owner:常州绿玛特建筑科技有限公司 +2

Control device and control method for internal combustion engine with supercharger

InactiveUS20150013637A1Suppress temperatureIncrease rate be largeMechanical controlElectrical controlInjectorTop dead center
An internal combustion engine (1) is provided with a supercharger (12) and a cylinder direct injection fuel injector (10). When the engine shifts in a low-speed supercharging region at a state where the wall temperature of a cylinder bore (3) is low, liquid fuel adheres to a wall surface of the cylinder bore (3) so that lubricating oil is diluted with the liquid fuel and released into a combustion chamber (4). As a result, there occurs abnormal combustion. In the present invention, the fuel injection amount is increased at the time when the engine shifts in a predetermined low-speed supercharging region. The lower the wall temperature of the cylinder bore, the larger the rate of increase of the fuel injection amount. This makes it possible to suppress the temperature of air-fuel mixture in the vicinity of compression top dead center and prevent the occurrence of abnormal combustion.
Owner:NISSAN MOTOR CO LTD

Flow Meter System and Method for Measuring An Amount of Liquid in A Largely Gaseous Multiphase Flow

Both a flow meter system and method are provided for accurately measuring the percentage amounts of liquid and gas phases in a multiphase flow through a conduit when the liquid phase constitutes a small minority portion (e.g., less than about 20%) of the multiphase flow. The system includes a flow meter that includes a differential pressure sensor connected across a Venturi in the conduit, and a dual energy fraction meter, each of which is operably connected to a digital processor. The system further includes a pump connected to the conduit upstream of the flow meter that introduces at least one pulse of a known quantity of liquid, the pulse being sufficient in volume to temporarily increase the liquid phase by a detectable amount. After the liquid pulse is introduced into the multi-phase flow, the digital processor computes the changes in the percentage amounts of the liquid and gas phases which should have occurred as a result of the pulse, and compares the computed changes with the actual changes measured by the flow meter in order to calibrate the flow meter. The measured increase in the liquid flow is then subtracted from the total measured liquid flow to determine the actual percentage of liquid flow.
Owner:SCHLUMBERGER TECH CORP

Method and system for improving indoor speech articulation

The invention discloses a method for improving indoor speech articulation. The method comprises steps as follows: geometrical size of an interior building is acquired, and an indoor simulation model is established according to the geometrical size; a plurality of parameter evaluation points are selected from the indoor simulation model, and a plurality of articulation weak points are selected fromthe parameter evaluation points according to a preset articulation evaluation parameter calculation strategy; the articulation weak points are used as reference positions for indoor layout of diffusers and reflection materials; average reverberation time of the articulation weak points at an octave frequency band is calculated; sound absorption increment corresponding to the octave frequency bandis calculated according to preset target reverberation time of the octave frequency band and the average reverberation time; a sound absorption material is selected according to the sound absorptionincrement; and the sound absorption material is used for being arranged in a first preset position of the interior. The invention further discloses a system for improving the indoor speech articulation. With adoption of the embodiment, the indoor speech articulation can be effectively improved.
Owner:GUANGZHOU UNIVERSITY

Angiogenically effective unit dose of FGF-2 and method of use

The present invention has multiple aspects. In particular, in one aspect, the present invention is directed to a unit dose composition comprising 0.2 μg / kg to 48 μg / kg of an FGF-2 of SEQ ID NO: 2, or an angiogenically active fragment or mutein thereof in a pharmaceutically acceptable carrier. In another aspect, the present invention is directed to a method for treating a human patient for coronary artery disease, comprising administering into one or more coronary vessels or a peripheral vein of a human patient in need of treatment for coronary artery disease a safe and angiogenically effective dose of a recombinant FGF-2, or an angiogenically active fragment or mutein thereof. The single unit dose composition of the present invention provides an angiogenic effect in a human CAD patient that lasts 2 months before re-treatment is required. In another aspect, the present invention is directed to a method of administration which optimizes patient's safety. In this embodiment, fluids, heparin and / or rate of infusion all play a role. In another aspect, the present invention is directed to a pharmaceutical composition comprising a therapeutically effective amount of FGF-2, alone or in combination with heparin, in a therapeutically effective carrier. The magnitude and duration of benefit were unexpected; in addition benefit with the IV route was unexpected.
Owner:NOVARTIS VACCINES & DIAGNOSTICS INC

Municipal domestic waste microwave driven hydro-thermal carbonization reaction vessel device, and method

The invention belongs to the technical field of municipal domestic waste resource utilization, and more specifically relates to a municipal domestic waste microwave driven hydro-thermal carbonization reaction vessel device and a method. According to the municipal domestic waste microwave driven hydro-thermal carbonization reaction vessel device, a microwave generator is arranged on a microwave generator loading platform; a lower part kettle body is connected with a middle part kettle body through first hexagonal studs; a piece of high pressure resistant transmitting glass is arranged between the lower part kettle body and the middle part kettle body; the surface of the middle part kettle body is provided with a cold water pipeline; a glass kettle body is arranged in the middle part kettle body; a kettle body top cover is arranged on the middle part kettle body through second hexagonal studs; a paddle type stirrer, a thermocouple, a gas inlet valve, a safety valve, a pressure meter, and a gas exhaust valve are arranged on the kettle body top cover. The municipal domestic waste microwave driven hydro-thermal carbonization reaction vessel device is rapid in heating speed, and low in process heat loss; the effect is better than that of conventional hydro-thermal carbonization; heat value is increased greatly; solid fuel energy grade is increased further; installation is convenient; the practicality is high; the municipal domestic waste microwave driven hydro-thermal carbonization reaction vessel device is suitable for study on microwave driven hydro-thermal carbonization by scientific research institutions or laboratories; and the market prospect is promising.
Owner:DONGGUAN UNIV OF TECH

Contour extraction device and program

An object of the present invention is to provide the technology capable of appropriately balancing the preciseness of contour extraction and calculation cost. In order to achieve this object, an energy function setting section sets an energy function that is expressed by a weighted linear sum of a plurality of kinds of energy terms defined correspondingly to a state of an active curve and is formulated so as to have a smaller value as approaching a shape of the contour to be extracted, and an iterative computation processing section minimizes the energy function by an iterative computation. An end instruction section sets an auxiliary function formulated so as to monotonously increase in accordance with the number of iteration times of iterative computation and sets a judging function expressed by a linear sum of the auxiliary function and the energy function. Then, a point of time when a local minimum appears in the judging function in the course of the iterative computation is judged as the end timing of iterative computing.
Owner:KONICA MINOLTA MEDICAL & GRAPHICS INC

Multi-wire tightly winding device for enamelled wire

The invention belongs to the technical field of electric machinery, and particularly relates to a multi-wire tightly winding device for enamelled wire used for a non-cross winding machine. The deviceis characterized in that a servo motor is arranged on a motor base, a main shaft of the servo motor is provided with a drive roll with rubber membrane, and the drive roll is matched with a driven rollwith rubber membrane fixed at a sliding base; the sliding base is connected with an air cylinder piston rod through a connecting shaft, and a wire routing mould is arranged on the motor base locatedbetween the drive roll and the driven roll, thereby the device has the advantages that the structure is simple, the use is convenient, the wire winding quantity is large, and the enamelled wire with multi-wire winding can be winded tightly.
Owner:LONGKOU ZHONGJI ELECTRICAL MACHINERY

Temperature sensor

A temperature sensor using a poly-phase filter may include: a poly-phase filter suitable for receiving a divided clock, and having passive elements coupled to have one or more negative poles and one or more positive zeros; a comparator suitable for generating a reference clock by comparing potentials of first and second filter voltages outputted from the poly-phase filter; a phase frequency detector suitable for outputting an up or down signal by comparing the phase of the reference clock to the phase of a comparison clock; a current supply unit suitable for supplying and integrating a charge current under control of the up or the down signal; an oscillator suitable for outputting an oscillation signal; a divider suitable for generating the divided clock and the comparison clock; and a buffer suitable for inverting and non-inverting the divided clock and outputting the inverted and non-inverted divided clocks.
Owner:SK HYNIX INC +1
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