122results about How to "Raise the absolute value" patented technology

There is provided a plasma etching device for generating plasma as a processing gas between an upper electrode (34) and a lower electrode (16) and subjecting a wafer (W) to plasma etching. The upper electrode (34) includes a variable DC power source (50) for applying DC voltage so that the absolute value of the self bias voltage Vdc on the surface of the upper electrode (34) becomes large enough to obtain an appropriate sputter effect to the surface and the thickness of the plasma sheath on the upper electrode (34) becomes thick enough to form a desired miniaturization plasma.

The invention discloses an anthracycline liposome injection, including the injection and a frozen powder injection and a preparation process of the injection. The frozen liposome consists of the anthracycline or an anthracycline hydrochloride, compound neutral phospholipids, surfactant, negative-charge phospholipids, buffers, PH regulators and freezing protection agent. The preparation process includes the following steps: preparation of a hollow liposome, a homogenized liposome, an anthracycline lopsome and an anthracycline lopsome suspension; adding the freezing protection agent; constant volume; sterilization; sub-package; freezing and drying; storage, etc. The liposome injection can be preserved for 12 months under the room temperature with better stability. And the encapsulation rate can be above 95 percent and a granule diameter is between 30 and 300mm. The side effect is low and the technique is simple, thus being convenient for industrial production.

There is provided a plasma etching device for generating plasma as a processing gas between an upper electrode (34) and a lower electrode (16) and subjecting a wafer (W) to plasma etching. The upper electrode (34) includes a variable DC power source (50) for applying DC voltage so that the absolute value of the self bias voltage Vdc on the surface of the upper electrode (34) becomes large enough to obtain an appropriate sputter effect to the surface and the thickness of the plasma sheath on the upper electrode (34) becomes thick enough to form a desired miniaturization plasma.

A wide angle lens is capable of reducing various aberrations even when a cemented lens is disposed to an image side (L2) of a diaphragm and whose absolute value of a radius of curvature of cemented faces of lenses structuring a cemented lens can be relatively increased. The wide angle lens (100) has a lens constitution of five groups having six lenses. A first lens (110) and a second lens (120) have negative focal power and a third lens (130) and a fourth lens (140) have positive focal power. A fifth lens (150) is a plastic lens whose concave surface is directed to an object side (L1) and its concave surface is directed to the image side (L2) and having the negative focal power. A sixth lens (160) is a plastic lens whose convex surface is directed to the object side (L1) and its convex surface is directed to the image side (L2) and having the positive focal power. A diaphragm (190) is configured between the third lens (130) and the fourth lens (140). The fifth lens (150) and the sixth lens (160) are cemented lenses.

The invention discloses a building glass thermal insulation coating which comprises components as follows: ATO (antimony tin oxide) powder, alcohol-soluble acrylate resin, ethanol, a dispersing agent, a flatting agent, a defoaming agent, a thickening agent, an ultraviolet light absorber, sodium tetraborate, mixed phosphate and potassium hydrogen phthalate. The invention further discloses a preparation method of the building glass thermal insulation coating. According to the preparation method, the ATO powder is dispersed by ethanol, an appropriate quantity of auxiliary agents such as the dispersing agent, the defoaming agent and the like are added and matched with appropriate resin simultaneously, and the thermal insulation coating is prepared. The invention further discloses a construction process of the building glass thermal insulation coating. According to the construction process, the glass is coated with the coating in a spraying manner and cured under the natural condition, and the firm, attractive and flat effects are achieved.

The invention discloses pemetrexed disodium liposome injection which is mainly made of pemetrexed disodium and a preparation method thereof, distearoyl phosphatidyl glycerol, dipalmitoyl phosphatidyl choline, PEG600, cholesterol and mannitol. The liposome injection has the advantages that the particle size of liposome is small, the liposome is uniformly distributed, the encapsulation efficiency is high, the leakage rate is low, the stability is good, the solubility of the pemetrexed disodium and the quality of injection products are improved, the toxic and side effect is reduced, and the curative effect is improved.

The invention discloses a frame-type variable capacitor and a preparation method, which belong to the technical field of micro-electromechanical system MEMS devices. The frame-type variable capacitor is characterized by consisting of three-dimensional comb-tooth-shaped drive electrodes and a three-dimensional comb-tooth-shaped adjustable capacitor and having a bi-directionally movable structure. High-frequency or radio frequency signals can be introduced by elongated and bended cantilever girders on a frame structure of the frame-type variable capacitor, so the rangeability of capacitance is low, while an absolute value is great; and the high-frequency or radio frequency signals can be introduced through a frame on the frame structure of the frame-type variable capacitor, so the rangeability of the capacitance is high, while the absolute value is small. Preferable design parameters of the variable capacitor are disclosed, and correspondingly, the preparation method is disclosed. The preparation method has the advantages of not only finishing control over a capacitance value, but also effectively improving a quality factor Q of the capacitor and the rangeability of the capacitance.

The invention discloses a liquid crystal composition. The liquid crystal composition contains at least one compound of a formula I, and at least one compound of a formula II. The invention also discloses a liquid crystal display device containing the liquid crystal composition. The liquid crystal composition provided by the invention has the characteristics of large absolute value of dielectric anisotropy, good low temperature storage performance, high optical anisotropy, high clearing point, low rotational viscosity and large nematic phase temperature range, has the advantages of fast response speed, high contrast ratio, good weather resistance, and the like, when applied to a display element, and is particularly suitable for use in a liquid crystal display element driven by an active matrix thin film transistor (AM-TFT).

The invention provides a single-mode optical fiber. The single-mode optical fiber includes a core layer and a cladding layer, the outer side of the core layer is provided with the cladding layer, thecladding layer includes a first cladding layer and a second cladding layer, the inner side of the first cladding layer is connected with the outside of the core layer, and the outer side of the firstcladding layer is connected with the inner side of the second cladding layer; and the invention further provides a manufacturing method of the single-mode optical fiber, the manufacturing method includes the following steps that step 1) powder-like loose bodies are prepared; step 2) the powder-like loose bodies are treated; step 3) fiber prefabrication rods are manufactured; step 4) the fiber prefabrication rods are treated; and step 5) wiredrawing is conducted. The single-mode optical fiber and the manufacturing method thereof have the beneficial effects that multiple variable scan be adjusted in the aspects of fiber design and manufacturing, the multiple variables are correspondingly a core layer diameter r1, the first cladding layer diameter r2 and refractive index difference valves [delta] 1, [delta] 2, [delta] 3 and [delta] 4, by changing the valves, the internal stress in fiber wiredrawing is reduced advantageously, Rayleigh scattering of the fiber is reduced, and loss valves ofthe fiber are further decreased as a whole.

To provide a semiconductor device and a method of manufacturing the same capable of suppressing, when a plurality of MIS transistors having different absolute values of threshold voltage is used, the reduction of the drive current of a MIS transistor having a greater absolute value of threshold voltage.

The threshold voltage of a second nMIS transistor is greater than the threshold voltage of a first nMIS transistor and the sum of the concentration of lanthanum atom and the concentration of magnesium atom in a second nMIS high-k film included in the second nMIS transistor is lower than the sum of the concentration of lanthanum atom and the concentration of magnesium atom in a first nMIS high-k film included in the first nMIS transistor.

The invention relates to the technical field of battery material preparation, in particular to a preparation method of cobalt carbonate. The invention provides a preparation method of compact crystalform small-particle-size spherical cobalt carbonate, which comprises the following steps of: by using cobalt salt as a raw material and ammonium bicarbonate as a precipitant, injecting pure water andammonium bicarbonate solution into a reaction kettle as a base solution, and adding sodium hexametaphosphate as a dispersing agent, then entering a first stage of liquid phase precipitation, independently pumping a mixed salt solution under a high-intensity stirring condition, feeding until the pH value is reduced to 7.4-7.8, then entering a second stage of liquid phase precipitation, and simultaneously pumping mixed salt and a precipitant solution to synthesize cobalt carbonate, after the volume of the materials reaches the upper limit of the reaction kettle, stopping feeding and stirring, pumping away the supernatant after solid-liquid layering, and then continuing feeding, and repeating the above steps so that the particles grow to 2-3 mum. The prepared spherical cobalt carbonate is small in particle size, uniform and non-sticky in particles and compact in crystal form.

The invention discloses a composite advanced sewage treatment method. The method comprises the following steps: 1, performing flocculation and precipitation; 2, performing medium filtration; 3, performing ultraviolet and ozone pretreatment; 4, performing ultrafiltration membrane treatment; 5, performing heavy metal ion enrichment and removal; and 6, performing reverse osmosis treatment. According to the composite advanced sewage treatment method provided by the invention, most of the impurities and organic matters are adsorbed by a flocculating agent with excellent performance, the organic matters are directly oxidized into volatile gases to escape by adopting an ultraviolet ozone reactor, the heavy metal ions are enriched and adsorbed through electrostatic spinning fibers under the electric field action, and most of the inorganic salts are removed through reverse osmosis. The composite advanced sewage treatment method provided by the invention is simple in operation, high in efficiency and low in cost, secondary pollution is avoided, high-quality recycled water can be obtained, and zero emission of industrial wastewater is realized.

The invention discloses a high-efficiency ternary organic solar cell which comprises a substrate, a cathode, a cathode modification layer, an active layer, an anode modification layer and an anode. The active layer includes a blend film of a polymer electron donor PBDB-T and two types of micro-molecular electron acceptors HF-PCIC and IEICO-4F. The morphology of the active layer is optimized via complementary absorption of the PBDB-T, HF-PCIC and IEICO-4F, especially IEICO-4F. The prepared ternary organic solar cell realizes excellent photoelectric response in the wide spectrum range of 300-1000nm, and compared with a binary organic solar cell based on PBDB-T:HF-PCIC, the short-circuit current density is improved by 7.2MA/cm2, and the highest power conversion efficiency PCE reaches 11.2% which is 8.82% higher than that of the binary cell. In addition, the ternary organic solar cell has a very low energy loss (0.59eV), so that the cell has a higher open-circuit voltage.

The present invention relates to a compact dispersion compensator and the like. The dispersion compensator comprises a housing and an optical fiber coil. The optical fiber coil has a coiled part constituted by a dispersion-compensating optical fiber wound like a coil while being in a bundle state with its winding distortion substantially eliminated. The housing is filled with a resin surrounding the coiled part of the optical fiber coil, whereas the coiled part is held by the resin. By this structure, the dispersion compensator can realize a further compactness.

The invention relates to a negative magnetic conductivity metamaterial, comprising a base plate made of a nonmetal material and multiple artificial microstructures, the multiple artificial microstructures are attached on the base plate, are periodically arranged and are silk threads of conductive materials, each artificial microstructure comprises an opening ring and two bent lines, the two bent lines respectively extend towards the interior of the opening ring in a serpentine bending manner from the two end points of the opening ring, and the two bent lines are not mutually crossed and are not crossed with the opening ring. According to the negative magnetic conductivity metamaterial disclosed by the invention, the artificial microstructures can remarkably improve the absolute value of negative magnetic conductivity of metamaterial so as to strengthen a negative magnetic conductivity effect and to meet requirements of the negative magnetic conductivity under special conditions.

The invention provides a multi-support piezoelectric dynamometer calibration method. The method is characterized by, through a translational main force loading mechanism, ensuring that force lines ofthe main load force and axes of piezoelectric three-dimensional force sensors are overlapped; applying full scale of main force, repeating applying the force for many times, and collecting and repeating output voltage; carrying out pretreatment on the data, and obtaining a force-power relation expression at each loading point according to the principle of equilibrium of forces; and combining the force-power relation expressions, constructing a calibration equation set model, calculating condition number of a coefficient matrix, calculating force-power conversion coefficient of each piezoelectric three-dimensional force sensor and finishing calibration of a dynamometer. The method, based on an existing calibration device and by improving the thought of calibration, sets a plurality of calibrated variables as unknown parameters, carries out multi-point calibration and establishes a multi-variable one-time calibration equation set without decoupling hypothesis of each support force, thereby solving the problem of principle error due to force distribution hypothesis in the previous calibration; and meanwhile, the method is not sensitive to position precision of each calibration point,and the positions at the axes of the sensors are selected as the calibration points.

The invention discloses a method for adjusting negative temperature coefficients of constant current source. The method for adjusting the negative temperature coefficients of the constant current source includes that input voltage V = alpha V BE - V ref is set; the input voltage is added to a resistor to convert to output current I out of the constant current source to obtain a temperature coefficient of the constant current source, wherein V BE is PN junction forward conduction voltage drop of a triode, 1 / V BE * alpha V BE / alpha T is a negative temperature coefficient of the PN junction voltage drop VBE, alpha is a constant, V ref is reference voltage, and T is a temperature; and values of the constant alpha and or values of the reference voltage V ref are selected and set to enable the constant current source to obtain k times negative temperature coefficient of PN junction of the triode to achieve adjustment of the negative temperature coefficients of the constant current source. The invention discloses the constant current source utilizing the method for adjusting the negative temperature coefficients of the constant current source as well. The method for adjusting the negative temperature coefficients of the constant current source and the constant current source utilizing the same have the advantage of being capable of conveniently and greatly adjusting to obtain the negative temperature coefficients of the constant current source.

The invention relates to a broadband dispersion compensation optical fiber, a manufacture method and a broadband dispersion compensation module. The broadband dispersion compensation optical fiber comprises a core layer and a cladding layer surrounding the core layer; the core layer of the optical fiber comprises four concentric sublayers of the fiber core; each sublayer of the fiber core is provided with different relative refractive index and radius; the cladding layer surrounding the core layer is a pure silica glass layer or a quartz glass layer which is partly doped with Freon. The broadband dispersion compensation optical fiber is provided with a dispersion compensation ratio and a higher quality factor, which is helpful for the compensation of link accumulation positive dispersion in the communication system. The invention improves the transmission speed and capacity of dense wave division in the communication system.

The invention discloses a photovoltaic interconnection strip and a photovoltaic cell. The interconnection strip comprises a basic band used for making two battery pieces in connection. The basic band is characterized by comprising a shady surface connecting section connected with the shady surface of one battery piece, an illuminated surface connecting end connected with the illuminated surface of the other battery piece and a bending section located between the two battery pieces, the thickness of the end, close to the bending section, of the shady surface connecting section is reduced to form a shady surface thinning section, and the thickness of the end, close to the bending section, of the illuminated surface connecting section is reduced to form an illuminated surface thinning section. The photovoltaic cell comprises multiple battery strings, and the battery strings comprise multiple battery pieces in connection through the interconnection strip. According to the photovoltaic interconnection strip and the photovoltaic cell, novel connection design of a solar cell module is provided, the interval between adjacent battery pieces in single battery string is reduced to 0.5 mm to the minimum, meanwhile subfissure of the module is effectively reduced, the module efficiency is relatively improved by 0.5% or above, and the absolute value of the module efficiency is improved by 0.1% or above.