37results about How to "Does not affect the composition" patented technology

The embodiments of the invention provide a liquid crystal display device, and relates to the technical field of liquid crystal displays. According to the embodiments of the invention, a liquid crystal display device is dynamically controlled within a backlight sub-area controlled dynamically by the sub-area backlight. A plurality of excitation-point light sources serve as excitation light sources of a surface light source and the quantum dot material in a quantum dot packaging part along the light emergent direction of the above light sources is excited. Between the plurality of excitation-point light sources and the quantum dot packaging part, a light selection part is arranged to select the transmission of the excitation light sources sent from the light sources and reflect the excitation light generated through exciting the quantum dot material. In this way, the back light reflected back by the quantum dot packaging part can be reflected by the light selection part, so that the interference of the back light on a white light source in the adjacent area can be avoided. Therefore, the white light of the white light source in the backlight sub-area is formed through only mixing up the excitation light generated by the point light sources in the backlight sub-area with the motivated light of the above point light sources generated through exciting the excitation light of the point light sources.

The invention discloses a preparation device and a preparation method of porous microspheres. The preparation device comprises an external phase fluid injector, an intermediate phase fluid injector, an internal phase fluid injector and a microfluidic chip unit, wherein the microfluidic chip unit comprises an external phase input channel, an intermediate phase input channel, an internal phase inputchannel, a multinuclear double emulsion generating microstructure and a mainstream channel; the multinuclear double emulsion generating microstructure comprises a dual concentric glass capillary; a flow velocity controllable gas is introduced into the internal phase channel through the internal phase fluid injector; and a liquid containing nanoparticles is introduced into the external phase channel through the external phase fluid injector. Convenient control of the size and porous parameters of the porous microspheres is realized, and the nanoparticles help enhance the emulsion stability andcontrollability of the interfacial tension. According to the prepared porous microspheres, no components will be remained in the microspheres, thus not affecting the subsequent application. In addition, the porous microspheres for storing specific gases can be applied to chemical reactions.

The invention provides a system for monitoring a liquid temperature and a liquid level. The system comprises a main pipeline, a liquid level detection module, a partition board, and a pressure transmission pipe, wherein the front end of the pressure transmission pipe is immersed into a water tank and the pressure transmission pipe is connected with the partition board in a sealed manner; the liquid level detection module comprises a shell and the shell is internally provided with a deformation membrane, a guide piston and a capacitance assembly; the deformation membrane covers the back open end of a corrugated pipe and the front open end of the corrugated pipe is fixed to the main pipeline; a pressure cavity for sensing liquid level pressure is defined by the partition board, the corrugated pipe and the deformation membrane; the back end of the pressure transmission pipe is inserted into the pressure cavity; the capacitance assembly comprises a fixed capacitance plate fixed on the shell and a movable capacitance plate connected with the shell through a spring; the movable capacitance plate is close to or far away from the fixed capacitance plate under the deformation effect of the deformation membrane; a capacitive reactance between the fixed capacitance plate and the movable capacitance plate is output to a signal processor; and the capacitive reactance is converted into a water tank liquid level by the signal processor. The system for monitoring the liquid temperature and the liquid level, provided by the invention, has the advantages of application to various liquid, no influences on components of liquid to be detected, capability of realizing stepless continuous measurement on the liquid level, and long service life.

The invention discloses an alginic acid/nano-silver composite nanofiber. The alginic acid/nano-silver composite nanofiber is acquired in the manner of preparing a silver alginate nanofiber after the ion exchange of a sodium alginate nanofiber acquired through an electrostatic spinning process and then reducing silver ions. Nano-silver grains are uniformly distributed on the inner and outer surfaces of the alginic acid/nano-silver composite nanofiber. A method for preparing the material successfully overcomes the limitation of the spinning property to the doping content of nano-silver grains and solves the problem of nano-silver grain conglobation in the electrostatic spinning process. The method can realize the large-scale production of the nano-silver containing composite fiber; the composite nanofiber is high in nano-silver grain content; the nano-silver grains are uniformly distributed on the material surface; and the fiber diameter is small, the specific surface area is large, the performance is excellent, the fiber is easy to be recycled and the cost is effectively saved.

The invention relates to a flame retardant expanded double-sided tape. The flame retardant expanded double-sided tape comprises a first composite acrylic acid glue layer, a flame-retarded polystyrenesynthetic resin layer, a second composite acrylic acid glue layer and a double-sided release film layer which are sequentially arranged from top to bottom. Compared with the common flame-retardant expanded tape on the market, the product has high viscosity and strong fixing ability, so the an electrical core and an outer casing can be firmly fixed, the tape has the resistance to an electrolyte, does not affect the composition of the electrolyte, does not affect the performance of a battery, the expansion ratio of the tape exceeds 3 times, which is better to fill an assembly gap and reduce thepossibility of vibration displacement, and the double-sided tape has good safety.

The invention discloses an iron alloy additive containing low titanium and phosphorus and a preparation method of the iron alloy additive. The iron alloy additive is specially designed for production of high-grade non-oriented and oriented silicon steel. The special iron alloy additive containing low titanium and phosphorus comprises 21%-25% of P, 0-0.08% of Cr, 0-3.0% of Si, 0-0.8% of C, 0-0.04% of S, 0-2.0% of Mn, 0-0.05% of Ti, 0-0.2% of V, 0-0.2% of Nb and 0-5% of screen underflow. The iron alloy additive containing low titanium and phosphorus has the characteristics of rich elements, lower content and moderate granularity, the impurity content in the steelmaking process can be effectively controlled, and particularly, the iron alloy additive has important function on enhancing steel strength and hardness during high-grade silicon steel production.

The invention discloses a protective method for the hearth of a rotary hearth furnace used for the direct reduction of the vanadium titano-magnetite. A common refractory material is laid on the lower part of the hearth of the rotary hearth furnace; titanium slag obtained from a directly reduced metallic pellet which is subjected the electric furnace fusion and separation is crushed to 2 to 10mm and is laid on the refractory material on the surface of the hearth of the rotary hearth furnace. A soft hearth working surface is formed by the titanium slag between the refractory material on the surface of the hearth of the rotary hearth furnace and the reduced furnace charge; and then the preset thickness of the soft hearth working surface is reduced due to the loss, and the crushed titanium slag can be loaded into the hearth of the rotary hearth furnace. As the titanium slag has a higher fusion point, the vanadium titano-magnetite can be prevented from being atomized and sticking to the hearth in the 1,300 to 1,400 DEG C direct reduction process during use. As the hearth is a loose and soft hearth, the vanadium titano-magnetite does not stick to the hearth even with expansion. Therefore, the method has the advantages of protecting the hearth and a screw discharger, protecting the titanium slag from being polluted by the refractory material, bringing about the cycle use of the titanium slag, reducing the furnace maintenance cost, and having obvious economic and social benefits.

The invention discloses 1-ferrocenyl-3-aryl-3-diacetylmethylene-acetone and a preparation method thereof. The structural formula of the above compound is shown in the specification. The preparation method comprises the following steps: adding 1-ferrocenyl-3-aryl-acrylketone, anhydrous K2CO3 (or NaOH) and acetylacetone into a dry mortar, rapidly grinding, detecting the reaction process through TLC, washing with water after the reaction, carrying out pumping filtration, and carrying out vacuum drying to obtain 1-ferrocenyl-3-aryl-3-diacetylmethylene-acetone. The method has the advantages of simple operation, mild reaction conditions, simple post-treatment and high yield, and the product prepared in the invention is a brand new ketone, and can be used for in the fields of pesticides and medicines.

The invention discloses low-cost magnesium-treated microalloyed steel and a preparation method thereof. The preparation method for the low-cost magnesium-treated microalloyed steel comprises working procedures of steel smelting, alloying, cored wire feeding, continuous casting, rolling and the like. After Ruhrstahl-Heraeus (RH) refining is finished, a magnesium-aluminum-iron alloy is fed to moltensteel at a certain speed and used for partially replacing elements such as niobium, vanadium and titanium which are used for alloying in the refining working procedure. Large-amount precipitation ofsecond-phase particles of steel in solidifying and rolling processes can be promoted. The microalloying function of niobium, vanadium and titanium is replaced partially, and the structure and propertyof steel are improved. Because metal magnesium is lower in price, expensive alloying elements such as niobium, vanadium and titanium are replaced, and the production cost of steel can be effectivelylowered. The property of the magnesium-treated low-carbon microalloyed steel acquired with the preparation method is close to or exceeds the property of standard steel without addition of magnesium, the alloying cost of a ton of steel is lowered by more than twenty-five RMB, and the preparation method for the low-cost magnesium-treated microalloyed steel is a novel steel microalloying technology.

A technique for packing metal strontium with aluminium can features that argon gas is filled in the aluminium can and the can is sealed by curling its edge 5 times for preventing the strontium from being oxidized. If a Sr-Al alloy is prepared, the aluminium can can be directly used as its raw material.

The invention discloses a salbutamol sulfate solution for inhalation and a preparation method thereof. A formula of the salbutamol sulfate solution comprises salbutamol sulfate, lactose, an isotonicity regulator, a pH adjusting agent, an antioxidant and the balance of water for injection. In a preparation process, carbon dioxide is introduced as the antioxidant, so that the dissolved oxygen content and the residual oxygen content in the solution are reduced. The added lactose not only is beneficial to the flowability of the medicine component salbutamol sulfate, but also can be used for preventing the salbutamol sulfate from being agglomerated together, so that the salbutamol sulfate can be uniformly dispersed in a solution system. According to the salbutamol sulfate solution for inhalation, the impurity content is low, adverse effects of related substances on human health and drug effects are reduced, the stability is higher, the drug content distribution is uniform, and the treatment effect is facilitated.

The invention provides a sample preparation method for ToF-SIMS test of a hollow fiber membrane, and belongs to the technical field of ToF-SIMS test. The method comprises the following steps: cuttinga hollow fiber membrane along the axial direction, flattening and pasting the hollow fiber membrane on a glass sheet, and expanding a to-be-tested surface by adopting a paraffin block. According to the method, the problem that the result is not credible due to the fact that the diameter of the hollow fiber membrane is too small, ToFSIMS cannot be effectively focused and the test signal is too pooris solved, the accurate and credible ToFSIMS test of the hollow fiber membrane is successfully achieved, the good test signal is obtained, operation is easy, and the method can be used for hollow fiber membrane surface filter cake layer composition analysis, membrane material composition analysis and the like.

The invention discloses a capillary tube apparatus and method for automatically measuring the viscosity of refrigerating fluid and lubricating oil. The capillary tube apparatus is composed of a fixingbracket, a laser sensor, a rotary transmission mechanism and a pressure vessel, wherein a capillary tube viscometer is fixedly arranged inside the pressure vessel and is composed of an upper liquid reservoir, an upper timing ball, a lower timing ball, a capillary tube, a lower liquid reservoir, a by-pass pipe and an N-shaped pipe; the upper liquid reservoir, the upper timing ball, the lower timing ball, the capillary tube and the lower liquid reservoir are communicated with one another in sequence from top to bottom; the upper liquid reservoir and the lower liquid reservoir are connected witheach other by virtue of the by-pass pipe; the volumes of the upper liquid reservoir and the lower liquid reservoir are the same and are larger than volumes of the upper timing ball and the lower timing ball; and the N-shaped pipe is arranged at the upper end of the by-pass pipe and is used for realizing two functions of injecting liquid and preventing turning and liquid leaking. With the adoptionof the design of the N-shaped pipe, the liquid can be conveniently injected, the liquid can be prevented from leaking into the pressure vessel via the liquid injection port in the process of turningto ascending feed, and to-be-measured liquid is prevented from being repeatedly filled.

The invention relates to the technical field of biology, in particular to a common-passage liquid injection device. The common-passage liquid injection device comprises a main body plate, wherein a plurality of first liquid inlet parts penetrating through the main body plate are arranged on one surface of the main body plate; a plurality of second liquid inlet parts are arranged on the other surface adjacent to the surface; and the second liquid inlet parts extend to communicate with the first liquid inlet parts. Two reaction reagents of the common-passage liquid injection device can be injected into a composite column respectively through the first liquid inlet parts and the second liquid inlet parts; before the two reaction reagents are injected into the composite column, the premixing can be realized; the activation on the reagents can be further completed; the synthesis effects of RNA, LNA and DNA are improved to a certain degree; after the injection of the first group of reagentsis completed, the liquid injection device is moved; and then, the injection of the second group of reagents is performed, so that the injection of each group of reagents can be sequentially completedin a short time. In addition, by using a mode of simultaneously injecting the two reagents into the synthesis column, the liquid adding time is shortened to a certain degree; and the synthesis efficiency is improved.

The invention discloses a sewage treatment anaerobic reactor with a scum and crusting eliminating function, the reactor comprises a reactor body, the lower part of the reactor body is provided with a water inlet and a sludge outlet, and a lower-layer three-phase separator and an upper-layer three-phase separator are sequentially fixed in the inner cavity of the reactor body from bottom to top. An overflow weir is fixed on the upper-layer three-phase separator in the inner cavity of the reactor body, and a water outlet is formed in the overflow weir. The lower-layer three-phase separator and the upper-layer three-phase separator are both communicated with an exhaust pipe, the exhaust pipe is connected with a liquid seal device fixed on the top surface of the reactor body, and the liquid seal device is connected with a biogas cabinet outside the reactor body. A pneumatic shell breaking mechanism is fixed between the upper-layer three-phase separator and the overflow weir, is provided with a plurality of upward air nozzles, and is connected with the biogas cabinet through a pressure pump. The reactor not only can utilize the generated biogas to break scum or crusts at the upper part of the reactor, but also has the characteristic of improving the solid-liquid separation effect.

The invention discloses 1-ferrocenyl-3-aryl-3-(2,4,6-pyrimidinetriketo)-acetone and a preparation method thereof. 1-ferrocenyl-3-aryl-3-(2,4,6-pyrimidinetriketo)-acetone has a structural formula as shown in the description. The preparation method comprises the following steps: adding A mol of 1-ferrocene-3-aryl-propenone, B mol of anhydrous K2CO3 (or NaOH) and C mol of barbituric acid into a dried mortar, rapidly grinding, detecting with TLC until the reaction is completed, washing with water, carrying out suction-filtration and drying to obtain 1-ferrocenyl-3-aryl-3-(2,4,6-pyrimidinetriketo)-acetone. The 1-ferrocenyl-3-aryl-3-(2,4,6-pyrimidinetriketo)-acetone and the preparation method thereof have the advantages that the method is simple in operation and post-treatment, mild in reaction conditions and high in yield.

The invention discloses 1-ferrocenyl-3-aryl-3-(1-acetyl-1-formylcarbethoxyl-methenyl)-acetone and a preparation method thereof. The general structural formula of the 1-ferrocenyl-3-aryl-3-(1-acetyl-1-formylcarbethoxyl-methenyl)-acetone is shown in the specification, wherein the aryl group is phenyl group, halogenbenzyl group, methyl phenyl group, ethyl phenyl group, propyl phenyl group, methoxy phenyl group, nitrophenyl group, hydroxyphenyl group, aminophenyl group, styryl group, five-membered heterocyclic group or six-membered heterocyclic group. The preparation method of the 1-ferrocenyl-3-aryl-3-(1-acetyl-1-formylcarbethoxyl-methenyl)-acetone comprises the following steps: adding A mol of 1-ferrocenyl-3-aryl-acrylketone, B mol of anhydrous K2CO3 (or NaOH) and C mol of ethyl acetoacetate into a dry mortar to quickly grind; performing TLC (Thin Layer Chromatography) monitoring until the reaction is complete; then washing, performing extraction filtration and drying to obtain the 1-ferrocenyl-3-aryl-3-(1-acetyl-1-formylcarbethoxyl-methenyl)-acetone. The method has the advantages of short reaction time, no need of solvent, environment friendliness, economy, easiness in operation, mild reaction condition, easiness in post-treatment and high yield.

The invention discloses 1-ferrocenyl-3-aryl-3-(2,6-dicarbonyl-4-thiopyrimidinyl)-acetone and a preparation method thereof. The structural formula of the 1-ferrocenyl-3-aryl-3-(2,6-dicarbonyl-4-thiopyrimidinyl)-acetone is shown in the specification. The preparation method comprises the following steps: adding A mol of 1-ferrocenyl-3-aryl-acrylketone, B mol of anhydrous K2CO3 (or NaOH) and C mol of thiobarbituric acid into a dried mortar, grinding the materials fast, performing TLC tests till complete reaction, and then performing washing, suction filtration and drying to obtain the 1-ferrocenyl-3-aryl-3-(2,6-dicarbonyl-4-thiopyrimidinyl)-acetone. The invention has the advantages that the 1-ferrocenyl-3-aryl-3-(2,6-dicarbonyl-4-thiopyrimidinyl)-acetone and the preparation method thereof are provided, and the method has short reaction time, does not need a solvent, is green, environment-friendly and economic, is simple to operate, moderate in reaction condition and simple in after-treatment and has high yield.