30 results about "Polar structure" patented technology

Provided is a lubricating oil composition for a refrigerator which uses a base oil including as the main component at least one kind of oxygen-containing compounds selected from polyoxyalkylene glycols, polyvinyl ethers, copolymers of poly(oxy)alkylene glycols or monoethers thereof and polyvinyl ethers, polyol esters, and polycarbonates. The lubricating oil composition for a refrigerator is used for a refrigerator that uses, as a refrigerant, a fluorine-containing organic compound, which is a refrigerant applicable to current car air conditioner systems or the like and has a specific polar structure, and has favorable sealing property, a low coefficient of friction factor in a sliding part, and excellent stability as well as excellent compatibility with the refrigerant.

The invention of a new type of 3-DOF mixed pairs thin three-phase AC magnetic bearings, high-speed rotating machinery applicable to the 3-DOF suspension support. Take a permanent magnet ring at the same time as two thin magnetic bearings provide radial bias flux, divided into inner rotor, rotor structure and structure, internal and external structure of the rotor windings by the radial, at both ends of the thin sheet rotor, stator left flakes, circular Magnet, and the right, such as a thin stator 3-DOF exchanges mixed magnetic bearings; its axial freedom because of the thin radial magnetic bearings based on the principle of the permanent magnet motor thin bias passive role under control passive suspension of the stronger the magnetic bearings at the same time has a strong self-coordination function; two thin radial magnetic bearing with a tri-polar structure of a three-phase windings AC excitation, without axial control which also axial and radial coupling smaller axial suspension of its strong for both axial and radial interference or the presence of environmental load, and so they have greater applicability.

The present invention relates to a papermaking method. The papermaking method comprises the following steps: (a) a cation starch complex agent is added into starch-containing pulping white water or astarch aqueous solution to react, and a modified starch solution is obtained; (b) fibers or paper pulp is added into the modified starch solution and stirred, an adsorption reaction is conducted, andpulp subjected to reaction is obtained; and (c) the pulp subjected to reaction is prepared to form a paper product, wherein the chemical structure of the cation starch complex agent is composed of thefollowing parts: (i) one or more hydrophobic groups and (ii) one or more hydrophilic groups, the one or more hydrophobic groups can react with starch to produce an inclusion complex, and the hydrophilic groups and the hydrophilic groups are located at the two ends of the same molecular structure correspondingly and connected through chemical bonds to form the asymmetrical and polar structure. According to the papermaking method, the adsorption rate of the starch on the surfaces of the fibers or in the paper pulp can be increased, thus the retention rate of the starch in paper is increased, and COD emission is lowered.

The invention provides a multi-polar permanent-magnet motor pole core structure, which mainly comprises a pole core and magnet steel, wherein the pole core is uniformly distributed with magnet steel grooves whose number is the same as that of motor pole pairs; each magnet steel groove accommodates magnet steel with the same N pole or the same S pole; the pole core is made of a good magnetic material; a pole with the opposite polarity to the magnet steel is formed between each two pieces of magnet steel, and the pole is the S pole or the N pole; and finally magnetic poles with the N poles and the S poles alternate uniformly are formed in the surface of the motor rotor. Compared with the existing product, half magnet steel grooves in the pole core can be reduced, and thus processing of a multi-polar motor or a super multi-polar motor is facilitated. When the permanent-magnet motor manufactured in the invention is used, a multi-polar structure can be realized easily, the structure of the invention can be widely applied to the new-energy industry, system configuration of the existing new-energy industry is changed, and development of the new-energy industry is promoted.

The invention discloses a vector beam amplifying and generating apparatus having polarization independent optical parametric amplification characteristics, which comprises lithium niobate crystal (PPLN) or potassium niobate which is polarized according to different periods and divided into four parts, wherein optical parametric amplification of the first part and the fourth part cabn be realized, idle frequency light can be generated, and phase mismatch among a pump light, a signal light and an idle frequency light is compensated by means of a reciprocal lattice vector provided by a periodic polar structure; in the second part, the wave vector mismatch in which the signal light is polarized and coupled by means of the reciprocal lattice vector of the periodic polar structure can be compensated; the reciprocal lattice vector in the third part is designed to satisfy an electro-optic deflection reference matching process of the idle frequency light, the wave vector mismatch in which the idle frequency light is polarized and coupled can be compensated, the second part and the third part in the middle of the niobate crystal (PPLN) or the potassium niobate having different periodic polarity realize the periodic modulation of the electro-optical coefficients with an external DC (Direct Current) power supply on a y-surface perpendicular to a light propagation direction. The invention has wide application prospect in the all-optical switching and optical communication field.

The invention belongs to the field of solar cells, and discloses a thiophene pyrroledione based co-polymer material, and a preparation method and an application thereof. The co-polymer has the following structural formula (I). In the formula, both R1 and R2 represent a C1-C20 alkyl group and n is an integer ranging from 10 to 100. In the thiophene pyrroledione based co-polymer material provided by the invention, benzo-dithiophene has easily modified photophysical properties, the co-polymer of the benzo-dithiophene present excellent photovoltaic performance; thiophene pyrroledione has a simple, symmetrical and polar structure and is beneficial to electron delocalization when the thiophene pyrroledione is polymerized with other monomers; and the thiophene pyrroledione has relatively strong electron-withdrawing effect that results in reduction of an HOMO energy level and a LUMO energy level, thereby facilitating the increase of an open-circuit voltage. The performance can improve energy conversion efficiency of solar energy, so that the problem of low efficiency of polymer solar cells is solved.

The present invention discloses a radiation cross-linked low-smoke halogen-free flame-retardant locomotive oil-resistant electric cable material and a preparation method thereof. The raw materials of the material comprise, by weight, 35-65 parts of an ethylene-vinyl acetate copolymer, 30-50 parts of acrylamide grafted EVA, 5-15 parts of a compatilizer, 130-180 parts of a flame-retardant agent, 0.8-2 parts of an antioxidant, 0.5-1.5 parts of a lubricant, 0.1-5 parts of an auxiliary cross-linking agent, and 0.5-3 parts of a coupling agent. According to the present invention, the high VA content EVA with the VA content of 28-50% is used, the higher the VA content, the stronger the resin polarity and the better the low temperature resistance; the acrylamide grafted EVA resin is introduced, and the acrylamide adopted as the polar part is grafted onto the EVA, such that the good compatibility with the flame-retardant agent is provided, and the effectiveness of the flame-retardant agent is completely provided; the oil resistance of the electric cable is substantially improved through the strong polar structure; and the material further has the low smoke property.

The invention discloses a resistive random access memory and a production method thereof. The production method includes: providing a substrate; forming functional layers on the substrate in sequence,wherein the functional layers include multiple insulation layers and multiple resistive dielectric layers; forming a first trough penetrating the functional layers to have the functional layers divided into two parts, wherein the depth of the first trough is greater than the thickness of the functional layers and is smaller than the sum of the thickness of the functional layers and the substrate,and in the two parts of the functional layers, one ends of the resistive dielectric layers and facing to the first trough are first ends while one ends away from the first trough are second ends; forming first polar structures in the first trough connected with the first ends of the resistive dielectric layers; forming second polar structures on side faces and tops of the functional layers, wherein the second polar structures are connected with the second ends of the resistive dielectric layers. Multiple memory units can be formed on the substrate, and memory capacity is improved.

The invention discloses a polar structure crystal material Ag3I[(MoO3)2(IO3)2], and relates to the field of inorganic crystal materials. The technical purpose is to provide a polar structure Ag3I[(MoO3)2(IO3)2] of a novel non-linear optical crystal. The invention further discloses a preparing method and application of the polar structure crystal material. The polar structure crystal material Ag3I[(MoO3)2(IO3)2] serves as the non-linear optical crystal.

The invention relates to a method for recovering free starch in papermaking whitewater. The method comprises the step of performing a reaction on a cationic starch complexing agent and the free starchin the papermaking whitewater so as to modify the free starch, wherein the cationic starch complexing agent comprises the chemical structure: (1) one or more hydrophobic groups, wherein at least onehydrophobic group can reacts with the starch so as to form an inclusion complex, and (2) one or more hydrophilic groups, wherein at least one of the hydrophilic groups is a cationic hydrophilic group;and the hydrophobic groups and the hydrophilic groups are separately at both ends of the same molecular structure, and are connected through chemical bonds so as to form an asymmetric and polar structure. Through the method, the content of the free starch in the papermaking whitewater can be reduced effectively, so that the COD emission of papermaking wastewater is reduced.

The invention discloses a rotary magnetic field mechanism-adopted transformer with a variable phase number, and is a new product of transformer with a structure similar to a motor structure; the transformer can change an alternating current voltage as well as can change the phase number of a primary side and a secondary; through improvement of a polar structure and a winding of the transformer, the transformer can be suitable for satisfying requirements of input and output of high, middle and low voltages; the rotary magnetic field mechanism-adopted transformer with the variable phase number has convenience in wiring and design and quite simple manufacturing; the phases are symmetrical absolutely; incomparable higher symmetrical conditions, which cannot be achieved by the conventional transformer, are achieved by the high-voltage transformer disclosed by the invention from the aspects of hardware and design of a heat dissipation structure; and actually, a brand-new technological path is developed for a multi-phase rectifying transformer and an electrical railway.

The invention discloses a preparation method of a low-die-swelling-rate linear hydrogenated styrene thermoplastic elastomer. According to the method, under protection of an inert gas, an alkane is used as a solvent, styrene monomers and conjugated diene monomers are adopted to have an anionic polymerization reaction in the presence of an alkyl lithium initiator and a polar structure adjusting agent, a polymerization product is subjected to catalytic hydrogenation with a titanocene catalyst, and the linear hydrogenated styrene thermoplastic elastomer is obtained; the anionic polymerization reaction comprises steps as follows: (1) the styrene monomers are added for first-stage polymerization; (2) the styrene monomers and butadiene and/or isoprene monomers are added simultaneously, or the butadiene monomers and the isoprene monomers are added simultaneously for second-stage polymerization; and (3) the styrene monomers are added for third-stage polymerization. The die swelling rate of the linear hydrogenated styrene thermoplastic elastomer obtained with the method is 20% or below.

The invention relates to a processing system having a polar structure for planar substrates having a central base module (8) having a vacuum transfer chamber for the substrates (34), wherein the vacuum transfer chamber (4) is borne freely swiveling, eccentric to the base module (8), via a rotary support (14) lying in the central region of the base module (8), centered to the base module (8), and is positioned connected in a sealed manner in connection layers to the process stations (6) which are spaced radially apart from the rotary support (14) and grouped around the base module (8).