96results about How to "Good cost advantage" patented technology

A magnetic recording medium including at least a disk substrate 1A, a magnetic recording layer 5 formed with a predetermined concavo-convex pattern on the disk substrate 1A, and a non-magnetic layer 6 filled into concave portions of the concavo-convex pattern, so as to have data track regions 20 and servo pattern regions 21. Due to the existence of concaves and convexes in the surface of each servo pattern region 21, the foregoing problem is solved. On this occasion, arithmetical mean deviation of the assessed profile Ra of the surface of each servo pattern region 21 is preferably not lower than 0.3 nm. The difference in surface level between each concave and each convex existing in the surface of the servo pattern region 21 is preferably not larger than 6 nm.

The invention relates to the technical field of organic macromolecular polymerization, aims to solve the problems that operation is difficult, storage is unstable, and the water resistance is poor due to the fact that overcoat varnish for conventional architectural coatings is subjected to extinction often by adding fumed silica or wax emulsion, and provides one-component acrylic ester matte core-shell emulsions with good anti-water-white performance and a preparation method and application thereof. The raw material components of the emulsions comprise alkyl methacrylate, alkyl acrylate, vinyl monomers without -COOH groups, vinyl monomers containing -COOH groups, organosilicone monomers, crosslinking monomers, a pH modifier, an emulsifier, an initiating agent and deionized water. The one-component acrylic ester matte core-shell emulsions are characterized in that after forming into films, the emulsions have a coarse structure with separated surface micro-phases through a core layer part along with the difference of the neutralization degree of the gadoleic acid functional monomer of 3-10 carbon atoms, and the emulsions with the different matte degrees are obtained. Water-based overcoat varnish prepared through the one-component acrylic ester emulsions has the advantages of good water-white resistance, storage stability, good weather resistance, low cost and the like.

The invention discloses current detection device and method. The device comprises a voltage detection circuit, an operational amplifier circuit and a microprocessor, wherein the voltage detection circuit is used for detecting voltage at two ends of each of at least three metal oxide semiconductor field effect transistors (MOSFETs) in a power inverter circuit of a driver; the operational amplifier circuit is used for respectively obtaining breakover current of a corresponding bridge arm of the power inverter circuit according to the voltage and the conduction resistance of each MOSFET and also for providing the sampled current obtained after amplification treatment to the microprocessor; the microprocessor is used for carrying out analog-to-digital conversion on the sampled current and then carrying out current reconstruction on the sampled current subjected to analog-to-digital conversion according to the space vector pulse width modulation (SVPWM) sector, so as to obtain at least three phases of output phase current of the driver. By adopting the current detection device and method, the current is detected by an inherent inverse MOSFET bridge arm, so that the hardware cost is saved, meanwhile, the same performance as the current sensor can be achieved, and the detection device has excellent cost advantage for a low-voltage vehicle driver and also has the beneficial effects of small power consumption, easy accomplishment of printed board layout and the like.

The invention discloses a fluorescence detection system and a cell analyzer adopting the fluorescence detection system. The fluorescence detection system comprises a fluorescence collection object lens, a spectroscope, a fluorescence transmission channel and a detector unit. The spectroscope comprises a first double-prism assembly comprising a first prism and a second prism. Parallel light aligned by the fluorescence collection object lens irradiates a first incident surface of the first prism. A second exit surface of the second prism is perpendicular to an optical axis of the fluorescence collection object lens. The first prism is arranged in a way so that incident parallel light is reflected by the first prism and the second prism, then is divided into multiple parallel lights which have different wavelengths and are parallel to the incident parallel light, and then exit from the second exit surface. The fluorescence detection system can flexibly satisfy wave band demands and is convenient for fluorescence collection in subsequent channels. The number of the fluorescence transmission channels can be flexibly adjusted according to actual requirements.

The present invention relates to a repair clamp providing an improved pipe repair clamp. The clamp according to the invention could be used in some cases as a coupling to join two pipe ends. The clamp comprises; a) a metal clamping band to surround 3600 of a pipe. The band being extended at both ends to form a hollow shape including a flat base, a wedge-shaped section and a convex rounded section, elongated apertures being provided to allow passage for screw fasteners through the hollow shape, narrow edges of the wedge-shaped sections being in contact with each other to form a substantially triangularly shaped space between the formed ends; and a flexible inner sealing sleeve disposed inside the clamping band and a pair of profile strips each having a major face for contacting the outer surface of the convex rounded section, and an opposite seating face for shoulder support of a plurality of screw fasteners, the strips having apertures to allow passage of the fasteners, and a plurality of screw fasteners inserted into the apertures wherein the tightening of said screw fasteners reduces the size of the triangularly shaped space and tightens the metal clamping band to compress the flexible inner sleeve sealingly against the outer diameter of the pipes.

The invention relates to a pre-installation assembly for a contact arrangement of a sensor assembly, having a support component, a clamping component, and at least one spring contact pin. The conductive end areas of the at least one spring contact pin are connected with one another and are designed to be axially incompressible and held under an axial spring load between support surfaces that are at a distance from one another. According to the invention, the support component and the clamping component are connected with one another by way of a connection in which the at least one spring contact pin is positioned and held by way of aligned guides in the support component and in the clamping component, with the spring contact pin passing through the guides. In first end section of the at least one spring contact pin is axially supported in the associated guide of the support component, and a second end section of the at least one spring contact pin is axially supported in the associated guide of the clamping component.

The invention discloses a high-physical-property matte thermoplastic polyurethane elastomer and a preparation method thereof. The high-physical-property matte thermoplastic polyurethane elastomer is prepared from the following ingredients in percentage by mass: 80 to 95 percent of thermoplastic polyurethane elastomer, 2.5 to 19 percent of high impact polystyrene, 0.5 to 2 percent of matte surfaceregulating agents, 0.1 to 0.5 percent of modified silicone master batch, 0.1 to 0.5 percent of antioxidant and 0.1 to 0.5 percent of lubricating agent. Compared with the prior art, the high-physical-property matte thermoplastic polyurethane elastomer has the advantages that the matte surface effect is good; the cost is lower; the defects of material physical property reduction due to the use of inorganic matte surface agent and poor matte surface effect are avoided; the defect of higher cost due to the use of other organic macromolecular material matte surface agents is avoided; in addition, the processing process can be regulated according to practical requirements to obtain the ideal matte effect.

The present invention relates to a high-temperature resistant modified silicon-containing cyanate ester resin as well as a preparation method and an application thereof. The preparation method comprises the following steps: adding a mixed solution of hydroxyl silicone oil, a silane coupling agent and an organic solvent into a mixed solution of a tetramethylammonium hydroxide aqueous solution and a polar solvent, performing hydrolytic polycondensation at a temperature of 5-40° C. for 4-8 h, and performing distillation to obtain an epoxy-containing silsesquioxane; performing pre-polymerization on the epoxy-containing silsesquioxane and a cyanate ester resin at a temperature of 50-100° C. for 1-8 h to obtain a modified cyanate ester resin; and uniformly mixing the modified cyanate ester resin and a modified anhydride, thereby obtaining the high-temperature resistant modified silicon-containing cyanate ester resin.

The process of preparing short glass fiber with waste tank furnace filament includes the following steps: initial treatment of waste tank furnace filament; compounding adhesive via diluting adhesive with water for spraying; spraying adhesive to waste tank furnace filament or soaking waste tank furnace filament in adhesive and stilling for well absorbing adhesive; forming short glass fiber through cutting, sieving and roasting. The present invention produces useful material with waste and has low production cost.

The invention discloses a turpentine-based vegetable oil and preparation method and application thereof, and relates to a vegetable oil. The vegetable oil consists of alkaline C1-C8 alcoholic solution, turpentine and vegetable oil which serve as raw materials, wherein the alkaline C1-C8 alcoholic solution is 10 to 30 percent of the total mass of the turpentine and vegetable oil; and the alkaline C1-C8 alcoholic solution is mixed liquor of at least one of C1-C8 alcohols and alkali metal hydroxides, and the mass ratio of the alkali metal hydroxides to the C1-C8 alcohols is 1:19-25, and the mass ratio of turpentine to vegetable oil is 1:1-4. The turpentine-based vegetable oil is prepared by the following steps of: adding the mixed liquor of at least one of C1-C8 alcohols and alkali metal hydroxides, and mixture of turpentine and vegetable oil into a high-shear emulsification dispersion kettle and separating and removing impurities from the product. The turpentine-based vegetable oil can be used for preparing pesticide preparations as a functional pesticide carrier and can substitute aromatic organic solvents, such as dimethylbenzene and the like.

The invention discloses a fluorescence detection system used for a cell analyzer. The fluorescence detection system comprises an objective lens, an optical fiber, a concave mirror assembly, a cylindrical lens assembly, a spectroscope assembly, a band-pass filter assembly, a lens assembly, a detector assembly and the like. According to the fluorescence detection system disclosed by the invention, a multi-wavelength fluorescent signal is separated in space according to wavelength and is imaged on a detector in 1*magnification, and fluorescence analysis and determination are realized; the fluorescence detection system has the advantages of compact structure, small size, simple debugging and the like; and the wavelength and number of fluorescence during analysis and detection also can be flexibly adjusted according to the actual needs of customers.

The invention belongs to the technical field of polysiloxane synthesis, and particularly relates to hydrogen-containing silicone oil and a preparation method thereof. A molecular formula of the hydrogen-containing silicone oil is as shown in the specification, wherein n is 200-500; and R is CH3 or CH2CH3. The preparation method comprises the following steps: (1) adding a linear body to a reaction kettle, stirring, warming to 130-140 DEG C, and adding potassium hydroxide; (2) carrying out vacuum supply, and detecting the viscosity online, when the appointed viscosity is achieved, restoring into atmospheric pressure and adding phosphoric acid or silicon-based phosphate for neutralization; (3) cooling, adding methyldialkoxysilane and a catalyst, and carrying out stirred reaction; and (4) warming, carrying out vacuum supply and removing low molecules to obtain the hydrogen-containing silicone oil. The hydrogen-containing silicone oil provided by the invention can be used as an addition-type silicone rubber chain extender or is applied to the aspects of synthetic fabric finishing agents and the like; the linear body and the methyldialkoxysilane which is low in cost and easy to prepare are adopted as raw materials, so that the raw material cost is reduced.

A clutch is adapted to transmit torque.A carrier for a friction element of the clutch includes an axis of rotation, a radial portion and a radially outer axial portion adjacent thereto.The axial portion comprises a revolving around the rotational axis of the sheet metal part, extending alternately at different radii around the rotational axis to form an outer teeth for positive engagement in the friction element. In a region which lies on the larger radius, the sheet metal part is provided with an opening for the radial passage of a surrounding liquid and the sheet metal part bears radially inside a storage element for damming the surrounding liquid, wherein the storage element is the radial section with respect to the breakdown opposite.

The invention discloses a silk style high-count strong twisted shell fabric and a processing technology thereof. For the shell fabric, warp yarn adopts R9.8tex of 1600 twists/meter, and the ratio of S to Z is 2:2; the weft yarn adopts R9.8tex of 1800twists/meter, and the ratio of S to Z is 2:2; the warp density of fabric is 275.5/10cm, the weft density of the fabric is 275.5/10cm, and the breadth is 175cm. For the processing technology of the silk style high-count strong twisted shell fabric, special technologies are adopted in working procedures, such as yarn selection, yarn sizing, slashing, weaving, dyeing and finishing and the like. The silk style high-count strong twisted shell fabric has the benefits of good hand feeling, long-lasting rebound resilience, dropping feeling, glossy feeling, smooth feeling and skin-friendly silk style, and excellent product cost advantage, and the cost is lowered by 17.34% if being compared with that of the similar product. On the technology, the twisting curve of the yarn is concluded by the contrast test of the yarn twist, the optimal twist and breaking force point can be found, and a reference is provided for the production and the experiment of the similar product.

The invention discloses a device and a method for concentrating and recycling an anaerobic acid-producing kitchen waste fermentation solution. The method comprises a treatment chamber, and two layersof positive osmosis membranes which are mounted inside the chamber and are parallel to the chamber wall, wherein a driving solution passage is formed between the two layers of positive osmosis membranes; a fermentation solution passage is formed between each of the positive osmosis membranes on the two sides and the chamber wall. Through a positive osmosis membrane principle and a unique design ofa membrane assembly, the concentration of the recycled and concentrated anaerobic acid-producing kitchen waste fermentation solution can be greatly increased and the long-distance transportation costof the anaerobic acid-producing fermentation solution can be reduced. Through the device and the method, the anaerobic acid-producing fermentation solution is recycled and concentrated as a good denitrifying and dephosphorizing organic carbon source for resource utilization, so that the purpose of ectopically applying the anaerobic acid-producing fermentation solution to a domestic sewage treatment plant, an industrial sewage station, a landfill leachate treatment station and the like is achieved.

The invention discloses a vehicle fuel gauge calibration method. The method comprises the steps: obtaining the resistance change maximum value of a fuel sensor when a vehicle is on a flat road and ona preset slope; when the vehicle is stopped and powered off, determining a first resistance value corresponding to the remaining fuel quantity of the vehicle; when the vehicle is started and powered on, obtaining a second resistance value actually measured by the fuel quantity sensor; judging the relationship between the absolute value of the difference value between the first resistance value andthe second resistance value and the resistance change maximum value: when the absolute value of the difference value is greater than the resistance change maximum value, controlling the vehicle fuelgauge to display the fuel quantity value corresponding to the second resistance value; when the absolute value of the difference value is smaller than or equal to the resistance change maximum value,controlling the vehicle fuel gauge to display a fuel quantity value corresponding to the first resistance value; according to the scheme, the adverse effect of the gradient on display of the fuel gauge during ramp parking is overcome; meanwhile, the situation that when an oil adding and leaking event exists in the oil tank, the oil gauge misjudges that the oil tank is stopped on a slope, and consequently the oil gauge displays mistakenly is avoided.