92results about How to "Quality unchanged" patented technology

The invention discloses an electronic simulation cigarette and the atomized liquid thereof, comprising a shell body, one end of which is provided with an air inlet, a power supply and an atomization device are arranged inside the shell body, the power supply is connected with a heater, a capsule is installed inside the shell body and filled with tobacco juice, the capsule is connected with the atomization device, one end of the atomization device is provided with a capsule penetrating device which is penetrated into the capsule. The atomized liquid described by the invention includes the raw materials parts by weight: 25 to 90 shares of polyethylene glycol, 9 to 50 shares of propanediol, and 0.3 to 52 shares of mouthfeel and taste regulator. The electronic simulation cigarette of the invention can ensure that the atomized liquid is conserved for a long time, the quality, the taste, etc. of the atomized liquid do not change in the retention period; through probation, the smoker is satisfied with the mouthfeel, the taste, etc., of the electronic simulation cigarette, the component of the atomized liquid has no hazardous substance, and hygienical content is added according to needs, the atomized liquid can be made into a plurality of sweet-smelling types or smoke types according to needs, and can ensure that the capsule keeps good stability, thereby providing better condition for the long-term conservation of the tobacco juice.

The invention discloses a method for coding a quick movement estimation video based on macro block characteristics, relating to the field of video compression coding. The method comprises the following steps of: firstly, extracting brightness information of a current coding macro block from original video data; secondly, searching and designing a simple movement estimation search template aiming at an integral pixel movement vector and reasonably distributing search points; classifying movement sever degree of the current prediction macro block according to distortion principle, making a movement searching prior stopping strategy corresponding to movement characteristics from the movement characteristics of the current prediction macro block, dynamically adjusting the number of search layers and search points of the movement estimation and adaptively selecting a corresponding movement estimation search principle. Compared with the movement estimation search method adopted in a video coding standard H.264, the method can effectively accelerate the movement estimation search process, reduces the movement estimation time consumption, strictly controls the code rate increase, ensures better reconstructed Image quality, and realizes quick movement estimation coding.

The invention discloses a video inter-frame compression coding method based on macroblock features and statistical properties and relates to the field of video compression coding. The method comprisesthe following steps: firstly extracting brightness information of the current coding macroblock from original video data, adopting the dual-layer prejudgment criteria for determining the optimal inter-frame coding mode according to the statistical properties of the optimal inter-frame mode selected by the current coding macroblock, further utilizing the time-space relevant features of the currentcoding macroblock for selectively carrying out intra-frame coding, comparing the optimal inter-frame coding mode with the optimal intra-frame coding mode according to a rate distortion cost function,determining the final inter-frame coding mode and coding the current macroblock. Compared with the ergodic full-search inter-frame predictive coding method adopted in video coding standard H.264, themethod has almost no loss of video quality, strictly controls the increase of code rate, keeps the excellent performance of high compression ratio of the original standard algorithm and can greatly improve the inter-frame coding speed.

The invention discloses atomized liquid of an electronic simulation cigarette, comprising a shell. One end of the shell is provided with an air inlet; a power supply and an atomization device are arranged in the shell; the power supply is connected with a heater; a capsule is installed in the shell and filled with cigarette liquid; the capsule is connected with the atomization device; one end of the atomization device is provided with a capsule puncturing device; and the capsule puncturing device punctures into the capsule. The atomized liquid contains the following raw materials in parts by weight: 25-90 parts of polyethylene glycol, 9-50 parts of propylene glycol and 0.3-52 parts of mouthfeel and taste regulator. The electronic simulation cigarette of the invention enables the atomized liquid to be stored for a long time, and the quality, the taste and the like of the atomized liquid in the storage period remain unchanged; through trials, smokers are extremely satisfied with the mouthfeel, the taste and the like of the electronic cigarette; the components of the atomized liquid do not contain harmful substances, and health-care components can be added according to requirements; the atomized liquid can be made into various odor types or cigarette types according to the requirements. The atomized liquid can enable the capsule to keep high stability, thereby providing better conditions for long-term storage of the cigarette liquid.

Embodiments of the invention provide a filming method and a mobile terminal. The mobile terminal comprises a first camera and a second camera; the filming method includes: activating the first camera and the second camera to enter a filming mode, controlling the first camera and the second camera to take images alternately, wherein each image has corresponding photographic time, and generating a film file from the images according to the photographic time; by applying the embodiments of the invention, it is possible to control the first camera and the second camera to take images alternately, and more images are taken within same time, namely, photographing frame rate is increased; the first camera and the second camera are mutually independent, the quality of taken images is unchanged, photographing frame rate is increased, and image quality is also guaranteed; the film file generated based on the images taken alternately by the first camera and the second camera provides smoother and clearer pictures, and user visual experience is improved.

The invention relates to an online waste cigarette cut tobacco recovery system. The system comprises an automatic break-out cigarette cutting device, a cigarette machine waste cigarette collecting device, an assembling machine waste cigarette collecting device, a waste cigarette screening and straightening device, a directional and quantitative waste cigarette arranging device, a waste cigarette slicing device, a waste cigarette loosening device, a waste cigarette lifting device, a waste cigarette vibrating and screening device and an online recovered cut tobacco adding device. According to the system, through automatic break-out cigarette cutting, automatic waste cigarette collection, straightening, directional and quantitative arrangement, slicing, loosening and screening, components and quality of recovered cut tobacco are unchanged, the class of the cut tobacco is unchanged, the cut tobacco is clean and sanitary, the recovery rate of the cut tobacco is high, the recovered cut tobacco is directly added to a cigarette machine for use through a cut tobacco feeding system, the loss of the cut tobacco is effectively decreased, and the production efficiency is improved. Problems that the cut tobacco is miscellaneous, the moisture of the cut tobacco is changed, the quality is declined and the like after scattered collection, centralized treatment and treatment of different classes of cigarettes by the aid of an offline waste cigarette cut tobacco recovery production line are solved.

The present invention provides a method of quick mode selection for intra prediction based on AVS video coding. The method predicts the current macro-block by choosing a provision mode, and combines a beforehand adjudication guideline of a zero block and a grain complexity pre-selecting block size guideline, to gain the best predication mode of the macro-block. The method can remarkably reduce the computational complexity of the coder while the bit rate and the image quality are maintained, and can be used in real time coding.

The invention discloses a production method of brown sugar candy, comprising the following steps: 1) cleaning and peeling off fresh ginger, cutting into small blocks to obtain ginger blocks; 2) treating the ginger by grinding and then filtering the serous fluid to obtain ginger juice; 3) mixing the ginger juice, brown sugar, white sugar, isomaltulose alcohol with water and then heating and stirring to gain syrup; 4) drying treatment of the syrup in vacuum to gain dewatering syrup; 5) evenly adding into the dewatering syrup with the atomized menthol to gain mixed syrup; 6) pouring the mixed syrup into a mould for shaping. The invention also simultaneously discloses a brown sugar candy produced according to the method. The brown sugar candy of the invention has the function of regulating and nourishing the stomach, etc.

For manufacturing particularly uniform and mirror bright copper coatings that are leveled and ductile as well using a relatively high current density, halogenated or pseudohalogenated monomeric pheanzinium compounds or a purity at least 85 mole-% and having the general chemical formula (I) are utilized in which R<1>, R<2>, R<3>, R<4>. R<5>, R<6>, R<7>, R<7''>, R<8>, R<9>, X and A<-> have the significations denoted in the claims. The compounds are prepared by diazotizing a suited starting compound prior to halogenating or pseudohalogenating it in the presence of mineral acid, diazotization means and halide or pseudohalide, with the reaction steps being run in one single vessel.

The invention relates to a low alloy white cast iron, which can meet the special requirements of wearing pieces of cereals processing machines. The cast iron comprises the following chemical compositions according to the weight percentage: 3.5-3.8% of carbon, 1.5-1.9% of silicon, more than 0 and less than or equal to 1.0% of Mn, less than 0.05% of phosphorus, 0.02% of sulfur, more than 0 and less than or equal to 1.0% of chromium; the rest is Fe and unavoidable trace impurity elements. The white cast iron is in line with the performance provision of the wearing pieces of the cereals processing machines and has better mechanical work and casting combination property compared with the high hardness wear-resistant white cast iron (Patent CN1019029B). The white cast iron has the advantages of easy controllable components, little alloy, low production cost and fine foundry processing property, thus better in favor of industrialization application, etc.

The invention discloses a novel topology of a double-stage matrix converter and a common-mode voltage suppression strategy of the double-stage matrix converter. According to the topological structure,a one-way switch tube is connected with a direct current side upper bus and a direct current side lower bus of a conventional double-stage matrix converter in series separately; when the direct-current side switch tube is switched off, the inversion-stage effective vector is equivalent to an inversion-stage zero vector when the direct-current side switch is switched on, and the inversion-stage zero vector is called as an inversion-stage equivalent zero vector; according to the novel topology, the equivalent zero vector is utilized to participate in modulation, and the inversion stage seven-section type space vector modulation is optimized into three-section space vector modulation, and meanwhile, the inhibition of common mode voltage is realized. The novel topology has the advantages thatthe common mode voltage of the load side can be reduced to be 0.577 times of the peak value of the input phase voltage in the whole area at the voltage transmission ratio of 0-0.866, and the inhibition effect is equivalent to that of the prior art; the current conversion control strategy is simple, the rectification stage can be directly subjected to current conversion, and the reliability of thesystem is improved; and the optimized modulation strategy is simple and easy to realize, the total actual switching frequency of the system is basically unchanged compared with that in a traditionalmodulation strategy, the actual switching frequency of the inversion stage is greatly reduced, the system switch loss distribution is changed, the output current harmonic distortion rate is lowered, the input current quality is kept unchanged, and the electric energy quality is improved.

The invention discloses a shrimp refreshing agent. The shrimp refreshing agent comprises the following component in parts by weight: 2-5 parts of phytic acid, 8-10 parts of ascorbic acid, 12-15 parts of citric acid, 1-3 parts of sodium polyacrylate, 20-25 parts of sorbic alcohol, 12-18 parts of glutamic acid, 0.2-0.6 part of glucose oxidase and 20-25 parts of sodium tripolyphosphate. Compared with the prior art, the invention has the following beneficial effects: (1) the refreshing time is long, and the quality of shrimp can not be changed after the shrimp is stored for 72 hours at the temperature of 5 DEG C by adopting the refreshing agent; and (2) the refreshing range is wide, the refreshing agent is applicable to refreshing of the shrimp and other seafoods such as fresh fish, fresh crab and the like.

The invention discloses an electronic simulation cigarette and the atomized liquid thereof, comprising a shell body, one end of which is provided with an air inlet, a power supply and an atomization device are arranged inside the shell body, the power supply is connected with a heater, a capsule is installed inside the shell body and filled with tobacco juice, the capsule is connected with the atomization device, one end of the atomization device is provided with a capsule penetrating device which is penetrated into the capsule. The atomized liquid described by the invention includes the raw materials parts by weight: 25 to 90 shares of polyethylene glycol, 9 to 50 shares of propanediol, and 0.3 to 52 shares of mouthfeel and taste regulator. The electronic simulation cigarette of the invention can ensure that the atomized liquid is conserved for a long time, the quality, the taste, etc. of the atomized liquid do not change in the retention period; through probation, the smoker is satisfied with the mouthfeel, the taste, etc., of the electronic simulation cigarette, the component of the atomized liquid has no hazardous substance, and hygienical content is added according to needs, the atomized liquid can be made into a plurality of sweet-smelling types or smoke types according to needs, and can ensure that the capsule keeps good stability, thereby providing better condition forthe long-term conservation of the tobacco juice.

The invention discloses an HEVC intra-frame prediction mode rapid selection method. The method is aimed at the problem that the calculation complexity is high due to increasing prediction modes in intra-frame prediction. On the basis that the prediction direction difference of adjacent angle prediction modes is less than 10 degrees, coarse screening is carried out in the strong grain direction of a PU (Prediction Unit) for intra-frame prediction; then rate-distortion optimizing calculation is carried out on the prediction modes after coarse screening; and secondary screening is carried out on the first three modes with minimum cost values. The candidate modes with maximum probability of being the optimum prediction mode can be found out rapidly and precisely by carrying out primary screening and secondary screening on the 35 prediction modes, and the calculation complexity of the original intra-frame prediction coding algorithm is effectively reduced.

Methods for processing waste activated sludge obtainable from wastewater plants. The methods herein are useful in that they provide novel waste activated sludge preparations that are substantially free of live microbial organisms and contain a high content of digestible protein.

The invention relates to a method for efficiently extracting effective compositions of traditional Chinese medicines through percolation, and especially relates to a method for efficiently extracting effective compositions of ligusticum wallichii, radix paeoniae alba, radix bupleuri, forsythia suspensa, panax pseudoginseng, angelica dahurica, curcuma longa and other traditional Chinese medicines through percolation. The extraction method comprises the following steps: 1) taking a traditional Chinese medicinal material, and wetting by using a solvent; 2) adding a solvent into the wet traditional Chinese medicinal material for immersing; 3) performing percolation on the immersed traditional Chinese medicinal material by using a solvent; and 4) collection the percolation liquid, and removing the solvent to obtain the traditional Chinese medicine extractive.

The present invention discloses a fabric water repellent agent, which comprises paraffin, ozocerite, gelatin, caustic soda flakes, peregal, glacial acetic acid, soap, colophony, aluminum sulfate, water and camphor. The fabric water repellent agent has the following beneficial effects that: a treatment process is simple, wherein results of treatment tests on a plurality of canopy cover clothes and fabrics show that color, quality and air permeability of the fabric are not changed; the fabric has characteristics of no mold, no softening at a high temperature, no bonding and good air permeability; after the fabric is longitudinally and laterally folded more than 23 times, characteristics of not cracking, no peeling of complex membrane, softness and no stiffening are provided; and various fabrics treated by the fabric water repellent agent do not cause harm to human bodies. In addition, the fabric water repellent agent has characteristics of low production cost, strong practicality and generalization values.

The invention discloses a method and a device for preparing a coating by using nanosecond pulse laser cladding, belonging to the technical field of the preparation of coatings on material surfaces through laser cladding, and aiming to solve the problems existing in the present nanosecond pulse laser cladding. According to the method and the device, a metal is deposited on the surface of a workpiece through MOCVD (metal organic chemical vapor deposition), and the surface of the workpiece is scanned by nanosecond laser light at the same time, so that the metal is cladded on the surface of the workpiece, and a coating with a micron or submicron level thickness is formed on the surface of the workpiece. The method and the device disclosed by the invention do not have special requirements for a substrate material, are wide in application range, and can meet the needs of the preparation of the coatings of plane workpieces and special-shaped workpieces; a prepared thin film coating has the advantages of densification, controllable thickness (micron or submicron) and firm film-substrate adhesion; meanwhile, the surface roughness of the workpiece subjected to processing is not less than that of the workpiece before cladding; the secondary processing such as grinding and polishing is not needed, so that the production cost is reduced; meanwhile, after being processed by the method and the device, the workpiece can not be deformed and can meet the processing requirements for precision workpieces.

The invention provides a video coding method and a video processing method, which are applied to an intelligent monitoring system. The intelligent monitoring system comprises front-end video equipment and a rear-end intelligent server. The video coding method comprises the following steps: separating a foreground area from a background area of an acquired video according to a preset algorithm; respectively performing P-frame and I-frame coding on macro blocks of the foreground area and the background area, respectively packaging video streams of the foreground area and the background area, which are coded, and transmitting the packaged video stream to the rear-end intelligent server; after the rear-end intelligent server receives the video stream from the front-end video equipment, judging whether the video stream has the foreground area; if so, decoding the video of the corresponding foreground area, and intelligently analyzing the decoded video of the foreground area. According to the methods, under the conditions that the quality of the video basically remains unchanged and the consumption of network bandwidth is slightly improved, the rear-end decoding capacity and the intelligent video analysis processing capacity can be remarkably improved, and the storage time of a storage server can be remarkably prolonged.

The invention discloses a double-layer composite glass magnesium board with a high fireproof grade. The double-layer composite glass magnesium board is characterized by being prepared from the following raw materials in parts by weight: 42-45 parts of light calcined magnesia, 39-41 parts of magnesium chloride hexahydrate, 7-9 parts of forsterite powder, 5-7 parts of tourmaline powder, 4-6 parts of expanded graphite, 1-2 parts of ammonium polyphosphate, 4.5-5 parts of metakaolin, 2.5-3 parts of aluminum dihydrogen phosphate, 1.5-2.5 parts of aluminum silicate fibers, 0.2-0.25 part of a silane coupling agent kh 550, 1.5-2 parts of waterborne polyurethane, 6-8 parts of a 5% polyvinyl alcohol solution, 15-18 parts of thermoplastic phenolic resin, 5-6 parts of 25% urotropine aqueous solution and a proper amount of pure water. According to the double-layer composite glass magnesium board, the forming time is shortened through a modifying process, the process is convenient for industrial control, the components are simple and easily available, and the production efficiency is improved; the prepared glass magnesium board has double-layer effect, is smooth and attractive in surface, high in fireproof grade, safe and non-toxic, and a moisture absorption and deformation problems are solved.

A method for obtaining field strength information from a received electromagnetic signal by a receiver unit is provided, whereby an input voltage for an operational amplifier is generated from the received signal in the receiver unit by means of an input resistance realized as a voltage divider circuit and an output voltage is generated by the operational amplifier by means of a fixed amplification factor. The input voltage is changed until the output voltage lies within a predefined interval that includes the value of the reference voltage. The input voltage is tapped at the voltage divider circuit and, to change the input voltage at the voltage divider circuit, which has a plurality of divider nodes and a constant resistance value, a divider node is selected and a partial voltage is tapped. The field strength value received by the receiver unit is determined from a comparison of a quantity assigned to the selected divider node.

The invention relates to a method for preparing high-additional-value chemicals by different pH acid-alkali pretreatment of biomass and one-step cracking. The method comprises the following steps: pulverizing the biomass into powder; pretreating the powder by using different pH acid-alkali treatment solutions; after pretreating, carrying out rotary evaporation and vacuum drying to obtain the treated biomass powder; loading the treated biomass powder and an HZSM-5 molecular sieve in a reaction tube; and carrying out thermal cracking reaction in the nitrogen atmosphere at the heating speed of 50-80 DEG C / min to obtain the chemicals. The method is easy to operate and low in requirements of equipment; and the used biomass is agricultural wastes such as sugar cane bagasse and corn cobs, the high-additional-value chemicals such as 2,3-dihydrobenzofuran, 4-ethyl-guaiacol, levoglucosenone, 1-hydroxyl-2-butanone and 1,2-cyclopentanedione are produced by the agricultural wastes, in the aspect of raw materials, the agricultural wastes are cycled, environmental pollution is reduced, and the method has high economic value and social value and has important significance.

The invention belongs to the field of ceramic materials, and specifically relates to a method for preparing zirconium silicate powder by using a zirconium-containing waste. The method comprises the following steps: using the raw materials such as waste zirconium powder, zircon sand, quartz powder, water and a water reducing agent in the mass ratio of (15 -25 to 65-85 to 2-10 to 80-100 to 0.01-1; carrying out ball milling, pulping homogenization, iron removal, filtering, drying and powder packaging. The waste zirconium powder is used as a raw material for replacing the zircon sand, the contentof zirconium in the zirconium silicate powder product is obviously reduced, the whiteness value of a glaze remains unchanged basically, a solid-phase reaction of the quartz powder and aluminum oxide in the waste zirconium powder occurs at high a temperature, and mullite with stabler structure and higher whiteness is generated, therefore, the global stability and emulsion effect of the system are strengthened.

The invention relates to a vertical-torsion coupled large-amplitude free vibration wind tunnel experiment system. The system comprises two symmetrically-installed supporting frames, the tops of the supporting frames are provided with at least two upper spring fixing arms, and the upper spring fixing arms are connected to the upper ends of upper springs; lower spring fixing arms are arranged at thebottoms of the supporting frames; the lower spring fixing arms are connected to the lower ends of lower springs; the lower ends of the two upper springs are connected through a rigid suspension arm;a bearing seat is mounted on the rigid suspension arm; two ends of a rigid test model are respectively fixedly connected to one end of a rigid shaft; the other end of the rigid shaft is fixedly arranged in the bearing seat; a hub is fixedly connected to the rigid shaft, a torsion center line of the rigid test model is collinear with the axis of the rigid shaft and the center line of the hub, the periphery of the hub is sleeved with and fixedly connected to the middle of a first flexible connecting piece, and two ends of the first flexible connecting piece extend downwards and are connected tothe upper ends of the lower springs respectively. The system is independently provided with a torsional rigidity system, so that the flexibility of the test device is improved.

The invention discloses a production method of pear syrup brown sugar candy, comprising the following steps: 1) mixing brown sugar, Isomaltulose alcohol with water and then heating and stirring, or mixing brown sugar, white sugar, Isomaltulose alcohol with water and then heating and stirring to gain syrup; 2) adding concentrated pear juice into the syrup and then heating and stirring to gain pear juice syrup; 3) drying treatment of the pear juice syrup in vacuum to gain dewatering syrup; 4) evenly adding into the dewatering syrup into mixture consisting of atomized menthol and eucalyptus oil to gain mixed syrup; 5) pouring the mixed syrup into a mould for shaping. The invention also simultaneously discloses a pear syrup brown sugar candy gained according to the method. The pear syrup brown sugar candy of the invention has the efficacy of moistening the lung and throat and relieving cough, etc.

The invention discloses a multipurpose glass fibre and magnesium eco-plate which is characterized by being prepared from the following raw materials, by weight, 42-45 parts of light calcined magnesia, 40-42 parts of magnesium chloride hexahydrate, 6-7 parts of tourmalinite powder, 0.2-0.25 part of a silane coupling agent kh550, 1.5-2 parts of waterborne polyurethane, 6-8 parts of 5% polyvinyl alcohol solution, 2-3 parts of spent pulping liquor, 7-9 parts of waste glass powder, 4.5-5 parts of metakaolin, 2.5-3 parts of aluminium dihydrogen phosphate, 0.8-1 part of aluminum sulfate, 1-2 parts of vinyltriethoxysilane, 15-18 parts of thermoplastic phenolic resin, 5-6 parts of 25% urotropine aqueous solution, 1.5-2.5 parts of aluminium silicate fibre and a proper amount of pure water. According to the invention, insufficiencies of materials such as artificial marble, ceramic tile, natural stone and the like are overcome. The multipurpose glass fibre and magnesium eco-plate has high heat-resistant and fireproofing grade, is nontoxic, harmless, waterproof and fracture resistant, has high strength and can be applied to interior and exterior walls, decorative sheets, furniture, floor and the like.

The invention discloses a preparation method of high-R-value solvent-free waterborne polyurethane microfiber synthetic leather. The molecular weight and viscosity of a prepolymer are controlled by controlling the R value of the prepolymer, so that the polyurethane resin which is easy to disperse and emulsify, free of any organic solvent, small in particle size, high in solid content, good in stability and low in cost is obtained. After resin is formed into a film, the film has relatively good alkali resistance and temperature resistance and relatively high elongation at break and breaking strength, and the modulus is 100%; and after the resin is applied to the microfiber base cloth, the microfiber base cloth is plump in hand feeling, elastic and uniform in cloth cover. The solvent-free waterborne polyurethane is high-R-value solvent-free waterborne polyurethane with excellent performance and stable performance, and is very suitable for large-scale production.

A method for obtaining field strength information from a received electromagnetic signal by a receiver unit is provided, whereby an input voltage for an operational amplifier is generated from the received signal in the receiver unit by means of an input resistance realized as a voltage divider circuit and an output voltage is generated by the operational amplifier by means of a fixed amplification factor. The input voltage is changed until the output voltage lies within a predefined interval that includes the value of the reference voltage. The input voltage is tapped at the voltage divider circuit and, to change the input voltage at the voltage divider circuit, which has a plurality of divider nodes and a constant resistance value, a divider node is selected and a partial voltage is tapped. The field strength value received by the receiver unit is determined from a comparison of a quantity assigned to the selected divider node.

The invention relates to a double-air-bag rigidity stepless adjustable oil-gas spring. The oil-gas spring comprises a main working cylinder, an oil tube connected with the upper end of the main working cylinder and an auxiliary working cylinder connected with the other end of the oil tube. The auxiliary working cylinder comprises an auxiliary cylinder barrel connected with the oil tube, a damping valve assembly arranged in the auxiliary cylinder barrel, two air bags and two air bag bases arranged on one side of the damping valve assembly symmetrically, a partition plate arranged between the two air bags, a connection pipe arranged at the other end of the auxiliary cylinder barrel, a solenoid valve arranged on the connection pipe, an oil pumping pipe and an oil return pipe which are connected with the solenoid valve, an oil pump arranged on the oil pumping pipe and an oil tank connected with the oil pumping pipe and the oil return pipe. A ventilation hole is formed in the partition plate. According to the oil-gas spring, the rigidity characteristic of the oil-gas spring is expanded to a changeable range with value assigned freely from a non-linear curve line, the problem of requirement 'contradiction' of the safety and comfort for the suspension system during vehicle traveling is solved, and the whole vehicle adaptability to various traveling conditions is improved.