306results about How to "Make up for the loss" patented technology

The invention relates to a microwave photocatalytic wastewater degradation device allowing greatly expanding single pot treating capacity and belongs to the technical field of wastewater treatment. The existing microwave photocatalytic degradation technology aiming at industrial wastewater containing organic pollutants has the problems of microwave energy waste and small practical single pot wastewater treating capacity; in addition, in the prior art, the phenomenon of scale deposit can occur after the outer side surface of a quartz tube for shielding an electrodeless ultraviolet lamp is soaked in wastewater for a long time, a scale layer formed by the scale deposit blocks the permeability of light and also affects the wastewater treatment efficiency of the existing device; and the microwave photocatalytic wastewater degradation device aims at solving all the problems. The device adopts the structure that the electrodeless ultraviolet lamp is arranged in a wire mesh cage-shaped non-light tight microwave restraint made of metal material, and leads microwave into the restraint to restrain the microwave, so that microwave is free from inconducive dissipation, the design volume of a reactor is allowed to be greatly expanded based on the structure, and further the single pot wastewater treating capacity of the reactor is greatly enhanced. The device instantaneously eliminates the scale layer through high-frequency ultrasonic wave.

Provided is a positive electrode film of a lithium battery, comprising: (i) a positive electrode material of a lithium intercalated transition metallic oxide; (ii) a lithium ion replenisher; and (iii) a conductive agent and an adhesive. The lithium ion replenisher in the positive electrode film decomposes during initial charging and then releases lithium ions, so as to make up for a loss of lithium ions forming an SEI film on a negative electrode surface, thereby improving the reversible charging and discharging capacity of the lithium ion battery. In the prepared positive electrode film, the lithium ion replenisher can be mixed in the positive electrode material or the conductive agent in advance, and can be coated on the surface of the positive electrode of the lithium ion battery as well.

The invention provides a method of constructing a text classification model. The method comprises the steps of: constructing a training sample set according to structure features of characters, wordsand sentences of text information, wherein each piece of sample data in the training sample set corresponds to a feature matrix A of a piece of text information about the words and a feature matrix Babout the characters and a category vector O corresponding to the piece of text information, and the dimension number of O is the same as a category number; and using the feature matrix A about the words and the feature matrix B about the characters in the training matrix set as input and the corresponding category vector O as output to train a deep learning model to obtain the text classificationmodel. Classification is carried out according to the classification model constructed by the method, an accuracy rate of text classification can be improved, and the method is particularly suitablefor use in short-text classification.

The present invention discloses a paper cigarette filter rod filter media and a processing method thereof, wherein the paper filter media is obtained through performing a dry process on the following components: 40-74% of natural cigarette fiber, 4-40% of bast fiber, 1-12% of natural tobacco waste raw material, and 4-20% of adhesive. The method comprises the following steps: raw material processing, main fiber mixing shaping, waste material adding and prepared paper shaping process. After the natural tobacco fiber is mixed with the bast fiber, discongestion is performed. After sufficient dispersion, the mixed material is conveyed to a shaping section through a blower for being laid on a net and shaped. A fluffy and uniform fiber net is formed on a shaping net belt. The cigarette filter media paper is obtained through adhesive applying, preheating, roller pressing, solidifying and shaping. As the cigarette fiber is used as the main fiber raw material, the paper cigarette filter rod filter media according to the invention has reduced foreign gas of wood and settles a problem that the fragrance quality is reduced by the foreign gas of wood in the prior-art paper filter rod. The natural tobacco waste raw material is added in the paper shaping process. Not only is whole aesthetic quality of the cigarette improved, but also the tobacco raw material is uniformly distributed in the dry process paper and does not easily drop off. The quality of the filter rod is more stable.

The invention discloses a method for increasing seismic data resolution by applying sonic logging information constraint inversion. The method has the characteristics that a relationship is established between a high-resolution synthetic record of logging information and seismic data, and energy of a high-frequency component in the seismic data is improved, so that the seismic data resolution is increased; the high-frequency component of the seismic data is submerged in noise; the general method for increasing the resolution with deconvolution difficultly achieve a purpose; the capacity for increasing the resolution is very limited; and the high-frequency energy can be extracted effectively by adopting the mode that the high-resolution synthetic record of the logging information is combined with the seismic data.

The invention discloses an intelligent mobile phone anti-theft method. Hardware feature information and state information of an intelligent mobile phone are stored in a database of an anti-theft server of a network side. The intelligent mobile phone anti-theft method comprises the steps that A, an anti-theft program in the intelligent mobile phone reads the hardware feature information of the intelligent mobile phone, and state inquiry information is sent to the anti-theft server at intervals; B, after the anti-theft server receives the state inquiry information, the database is inquired for finding corresponding state information according to the hardware feature information carried in the state inquiry information, and the state information is sent to the intelligent mobile phone; C, the anti-theft program receives the state information, if the state information represents that the intelligent mobile phone is in a normal state currently, no processing is conducted, and if the state information represents that the intelligent mobile phone is in a loss state currently, the intelligent mobile phone is triggered to enter a mode of finding the lost and stolen intelligent mobile phone .

The invention discloses a traffic scene analysis method based on a multi-task network, comprising the following steps: a multi-task network is divided into an encoder, a partition decoder and a detection decoder, wherein the encoder extracts the features of the image and extracts the multi-scale information from the feature map; the segmentation decoder enlarges the size of the feature map and fuses it with the feature map; the detection decoder processes the input characteristic map and outputs a corresponding target detection result; using a deep learning framework Tensorflow to configure, train and test the above multitasking network. The multi-task network of the invention can extract abundant image features, make up for the loss of image detail information caused by downsampling in the encoder, and help to improve the segmentation and detection effect. The invention designs a multi-task network structure, which can realize semantic segmentation and target detection of traffic scene images through one-time back propagation, and has better real-time performance and higher accuracy rate.

The invention discloses a method for preparing a high-purity ultrahigh-temperature ceramic target material which belongs to the technical field of ceramic target materials, and in particular provides a method for preparing high-purity zirconium / hafnium boride powder and a ceramic target material thereof. The method comprises the steps of taking high-purity Zr powder, Hf powder and high-purity B powder as raw materials, adopting a self-propagating method to prepare high-purity ZrB2 and HfB2 powder respectively and then adopting a high-temperature high-pressure hot-pressing molding process to prepare a high-purity dense zirconium / hafnium boride ultrahigh-temperature ceramic target material, wherein the relative density of the target material reaches 95 to 99 percent. Relative to the prior art, metal powder in the method is slightly excessive when the materials are mixed, so as to make up for the metal loss during self-propagating reaction and further guarantee the component unicity of products. Relative to pressureless sintering, the sintering temperature needed in the method is greatly lowered; in addition, as the hot-pressing process adopts two-stage temperature, blank is uniform in temperature field, so as to ensure that the target material with uniform density can be obtained in the late hot-pressing process.

The invention discloses a 3D printing preparation method for an injection mold. The 3D printing preparation method comprises the following steps that 1, mixed powder is prepared, and then vacuum induction melting is carried out, wherein the mixed powder is prepared from, by weight percent, 0.4% to 0.5% of C, 0.7% to 0.75% of Si, 0.35% to 0.45% of Mn, 14% to 15.6% of Cr, 0.25% to 0.35% of V and the balance Fe; 2, an atomization powder preparing method is adopted for preparing the powder; 3, a three-dimensional model is established; 4, the injection mold is formed; and 5, the formed injection mold is separated from a substrate, and then the injection mold is placed in a muffle furnace for annealing to improve the plasticity and toughness of the injection mold. According to the 3D printing preparation method, cracking of mold steel in the 3D printing process can be effectively restrained. Meanwhile, C is added to make up ingredient changes caused by element evaporation and carbonization of the injection mold under the action of lasers.

The invention belongs to the technical field of block chains and proposes a realization method for a block chain based printer. The method comprises the steps of receiving a sent printing file and embedding information of the printing file into a block chain. The block chain based printer comprises a printing file information recording module and a block chain client module, wherein the block chain client module comprises a block chain IPC interface; the printing file information recording module is used for collecting the information of the printing file and sending the information of the printing file to the block chain client module; and the block chain client module is used for embedding the information of the printing file into the block chain through the block chain IPC interface. With the adoption of the block chain based printer and the realization method, a printing management mode in an enterprise is established, and the leakage of enterprise internal confidential information and the falsification and replacement of the file are confirmed, so that the enterprise loss is made up for.

The invention discloses a sub-aperture polarization imaging system. The sub-aperture polarization imaging system comprises a telephoto objective, an optical filter, a field stop, a field lens, a collimation module, an aperture dividing module, a focusing imaging module and a charge coupled device (CCD) detector which are coaxially arranged in the incident light spreading direction. The sub-aperture polarization imaging system achieves sub-aperture polarization imaging by aid of an optical imaging system, removes spherical aberration and comatic aberration by aid of the correction field curvature of the focusing imaging module, and accordingly improves imaging quality and prevents the image surfaces from being overlapped. When the imaging environment is dark, three linear polaroids with different polarization angles (0 degree, 60 degrees and 120 degrees respectively) can be placed in a polarization array, and the remained aperture is used for non-polarization imaging. According to the sub-aperture polarization imaging system, the influence of imaging illumination is considered on the condition of not changing the system structure, and accordingly energy loss of light caused by the polaroids is made up.

The invention discloses a high-precision high-reliability low-load launch vehicle control system, which comprises a launch platform controller connected with a main control computer via a CAN bus, a proportional multi-way valve controller and a state sensor group. Through a section iterative control strategy and building of a handshake mechanism, normal functions of the system can be ensured, the reliability and the precision of the system are improved, and a task can be ensured to be completed smoothly. Due to the proportional multi-way valve structure of each cylinder, small control amount can be used for restraining shaking of a rack and overshoot of a turning process, and loss of an erection angle during the turning process can be remedied. The invention also comprises a control method.

The invention discloses a method and a device for automatically restoring a browser. The method comprises the following steps: capturing an abnormal event which occurs in an operation process of the browser; judging whether the abnormal event is a restorable abnormal event and saving operation information of the browser before the abnormal event occurs if the abnormal event is not the restorable abnormal event, wherein the operation information at least comprises interface layout information of the browser and navigation paths of web pages operated by the browser; starting a breakdown processing program, transmitting a handle of the browser process to the breakdown processing program so as to enable the breakdown processing program to obtain a dump file of the browser through the handle, and analyzing reasons why the browser is abnormal according to the dump file and then triggering the browser to restart; and uploading the operation information before the abnormal event occurs to the browser so as to restore the operation state of the browser before the abnormal event occurs. The method and the device for automatically restoring the browser are capable of automatically restoring the operation state before the browser is broken down after the browser is broken down, thereby reducing repetitive operations of users.

The invention relates to a preparation method for a polypropylene-toughened impact-resistant tubular product. The preparation method comprises the following steps: A, weighing raw materials in parts by mass: 100 parts of polypropylene, 5-30 parts of a polyolefin toughening agent, 5-10 parts of inorganic filler, 0.01-1.0 part of an antioxidant and 0.01-1.0 part of an ultraviolet adsorbent; B, drying: drying the raw materials at 60-80 DEG C; C, preparing a premix: after mixing the polypropylene, the polyolefin toughening agent and the inorganic filler in a certain proportion, stirring the raw materials in a low-speed stirrer to be stirred for 10-12 minutes, then adding the antioxidant and the ultraviolet adsorbent, and continuously stirring the mixture for 2-5 minutes; and D, extruding the tubular product: feeding the prepared premix into a single screw extruder, controlling the processing temperature at 160-210 DEG C, controlling the rotating speed of the screw at 60-90 rpm, and extruding the toughened and modified polypropylene tubular product.

The invention belongs to the field of new energy utilization, and relates to a compressed air constant pressure energy storage power generation system using working medium phase change. The system generates high-pressure compressed air through the multistage compression of an air compressor. The high-pressure compressed air generates power through a multistage turbo expander. With the help of a special compressed air storage tank, the compressed air can be released at a constant pressure. The specific implementation mode of the system is as follows: the system utilizes the physical characteristic of the enormous volume change of the vapor-liquid phase change of a working medium (carbon dioxide or other) and the special high-pressure air storage tank with an isolation airbag or a piston inside, when the pressure in the high-pressure air storage tank is reduced to a specific design pressure, the compressed air can be continuously discharged at a constant pressure under the pressure generated by the working medium gas (carbon dioxide or other) until the stored compressed air is exhausted.

A method for catalytic conversion of petroleum hydrocarbon, which contains the following steps: (1) material of petroleum hydrocarbon into reaction area A of lift leg, contacting the regenerative agent inside and reaction, the mixture of the generated reaction oil gas and catalyst up-flowing along the lift leg, and entering into the reaction C of close phase bed; (2) the separated fraction of C4 and / or C5 from the separation part of the product being injected into reaction area B of lift leg, contacting the regenerative agent inside and reaction, the mixture of the generated reaction oil gas and catalyst up-flowing along the lift leg, and entering into the reaction C of close phase bed; (3) the mixture of the reaction oil gas and catalyst from reaction area A and B of the lift leg converging in reaction C of close phase bed, and reacting sequentially; (4) separating reaction oil gas from the catalyst depositing carbon after reaction, the reaction oil gas into the separation part of the product, and the carbon-deposited catalyst returning reaction part to serve circularly after striped, regenerated. With the method it can increase the yield of ethane, propone and BTX.

The invention discloses a methanation catalyst for a fluidized bed and a preparation method of the methanation catalyst for the fluidized bed. The methanation catalyst for the fluidized bed comprises a carrier, an active component and auxiliary agents, and the active component and the auxiliary agents are loaded on the carrier. The carrier is a compound of Al2O3, ZrO2 and NiO or a compound of Al2O3, TiO2 and NiO; the active component is NiO; the auxiliary agents are oxides of at least one of Mg, Ca, La, Ce, Mn, Fe, Cu, Cr and Co. A co-precipitation method is adopted for preparation of the carrier of the catalyst, and uniformity in component distribution is realized; then spray forming is adopted to obtain the micro-spherical catalyst carrier which is high in fluidity and suitable for the fluidized bed. In preparation of the carrier of the catalyst, silicon sol or silicon-aluminum composite sol is added to serve as an adhesive; in a process of quick preparation of the micro-spherical carrier by spray forming, the silicon sol or silicon-aluminum composite sol is dispersed among carrier components, and after high-temperature calcination, the catalyst carrier is high in mechanical strength, abrasion resistance and impact resistance.

The invention provides an intelligent breeding control method. The intelligent breeding control method comprises the steps of reading monitoring data collected by an intelligent monitoring device arranged in a breeding area; extracting organism data information and environment data information in the breeding area from the monitoring data; according to the obtained organism data information and environment data information, judging whether an abnormal condition occurs in the breeding area, and when the abnormal condition is determined to occur, classifying the abnormal condition; executing anexception handling operation corresponding to the exception category according to the exception category; and judging whether the abnormal condition reaches an insurance claim settlement condition, ifthe abnormal condition is determined to reach the insurance claim settlement condition, connecting to an insurance claim settlement system, and uploading monitoring data corresponding to the abnormalcondition to the insurance claim settlement system to apply for insurance claim settlement. The invention further provides an intelligent breeding control device, a computer device and a computer readable storage medium. According to the method, cultivation is more intelligent.

The invention discloses a quenched and tempered X52 hydrogen sulfide corrosion resisting seamless line pipe and a preparation method thereof, and relates to the technical field of line pipe manufacturing. The quenched and tempered X52 hydrogen sulfide corrosion resisting seamless line pipe is prepared from, by weight percent, 0.11-0.14% of C, 0.15-0.35% of Si, 0.8-1.5% of Mn, 0.01-0.02% of Ti, 0.0015% or less of S, 0.01% or less of P, 0.015-0.030% of Al, 0.0015-0.0025% of Ca, 0.008% or less of N, 0.08% or less of Ni, 0.08% or less of Cu, 0.2% or less of Cr, 0.1% or less of Mo, 0.03% or less of V, 0.02% or less of Nb, 0.39% or less of CEQ, and the balance Fe and unavoidable impurities. The line pipe is simple in alloy component, low in cost, high in yield, excellent in mechanical performance and hydrogen sulfide corrosion resisting performance and capable of being widely applied to development of gas fields containing hydrogen sulfide.

The invention discloses a potassium-sodium niobate-based leadless piezoelectric ceramic and a two-step sintering preparation method thereof. The potassium-sodium niobate-based leadless piezoelectric ceramic comprises the following raw material components by mole percent: aKNbO3-(1-a)(Na0.52K0.44Li0.04)(Nb0.88Sb0.08Ta0.04)O3, wherein in the formula, a is 0.04-0.06. By adopting the two-step sintering solid phase synthesis preparation method, the first sintering temperature is controlled to be 1130-1150 DEG C, the insulation time is controlled to be 1min, the second sintering temperature is controlled to be 900-1040 DEG C, and the insulation time is controlled to be 7h, so that a novel piezoelectric ceramic material is obtained; the piezoelectric coefficient d33 is maximally 328pC / N, the ferroelectric properties are good, and the remanent polarization intensity Pr and the coercive field Ec are respectively 17-23 mu C / cm<2> and 0.5-0.7 kV / mm. The leadless piezoelectric ceramic material can be applied to the fields of sound converters, piezoelectric lighters, drivers, resonators and the like.

The invention relates to a vibration checking controlling method of black casting crystallizer vibrator. Wherein, it comprises that: (1), collecting the 4 vertical vibration signals, 2 transverse vibration signals, 1 drawing speed Vc signal, and calculating out the phase difference between vertical signals, the frequency of each vertical vibration signal, the amplitudes of all vertical signals and vibration signals, the frequencies f and incline alpha of all vertical vibration signals; (2), comparing the phase difference or amplitude of transverse vibration with safety index, checking the frequency of each vertical vibration signal with safety index; (3), the crystallizer starts the process vibration control; (4), processes the vibration optimization control. The invention can stabilize the product quality and improve economic benefits.

The invention relates to a tissue classification method and device based on cardiovascular IVOCT images. The method comprises the following steps: step 1 of acquiring a plurality of labeled IVOCT images; step 2 of establishing an IVOCT image sample set and dividing the IVOCT images sample set into a training sample set and a test sample set; step 3 of constructing a convolutional neural network structure; step 4 of utilizing the training sample set to train the convolutional neural network, to obtain a CNN model; and step 5 of inputting the test sample set into the CNN model, to obtain tissuetype graphs corresponding to different tissues. In the tissue classification method and device based on cardiovascular IVOCT images, the CNN model has two output ends, which display the outline and the internal structure of the tissue respectively, and the technical problem that in the prior art, the resolution of an output image is slightly small, so that the tissue boundary display is not clearafter the loss of some image information is solved.

The invention relates to a lithium supplementing additive for a lithium ion battery, a battery electrode and a preparation method and application thereof. The lithium supplementing additive comprisesone or more than two of Li, LiP, Li3P, Li3As, LiaSb, Li2Se, Li2y-5xPxSy or LicSdSez, and 1 / 4 < / = a / b < / = 2, 0 < x < 2, 0 < y < 5, 0 < 2y-5x < 10, 2 < / = c < / = 4, 0 < d < / = 4, 0 < z < / = 4, and 1 / 2 < / = (d + z) / c < / = 4. The battery electrode comprises a battery active substance and the lithium supplementing additive. The lithium supplementing additive prepared by the method is relatively high in theoretical specific capacity, capable of efficiently supplementing lithium under the condition of relatively low content, low in cost, high in repeatability and operability, and capable of making up the loss of irreversible capacity of the battery and improving the overall energy density of the battery.

The invention discloses a joint transmission method for carrying out parallel transmission and cooperation, wherein the joint transmission method is applied to a cognitive network and aims at resolving the problems that an existing transmission strategy designed based on an automatic repeat request (ARQ) protocol is little in handling capacity obtained by a secondary user when a primary user has good channel conditions, and handling capacity loss of the primary user has no compensation. The joint transmission method mainly comprises the steps that 1. the secondary user sets transmitted power, and the fact that the outage probability of the primary user meets an interrupt threshold value is guaranteed; 2. the secondary user monitors feedback information of the primary user, and judges whether a current slot time is a first transmission time slot or a retransmission time slot; 3. if the current time slot is the first transmission time slot, the secondary user and the primary user are in parallel transmission, and handling capacity is obtained; and 4. if the current time slot is the retransmission time slot, the secondary user serves as a relay of the primary user, and compensates interference caused on the primary user in the parallel transmission. According to the joint transmission method, the handing capacity of the secondary user is improved on the premise that the primary user obtains the minimum handling capacity loss, definite compensation is provided for the handling capacity loss of the primary user, and the joint transmission method can be used for improving transmission efficiency of the cognitive network.

The invention discloses magnesium hydroxide-expandable graphite compounded flame-retardant nylon 6 and a preparation method thereof. The preparation method is characterized by comprising the following steps: drying magnesium hydroxide, putting dried magnesium hydroxide into a high-speed mixing machine, uniformly spraying a sodium stearate solution to the surface of magnesium hydroxide by virtue of a spraying bottle, and stirring for modification, so as to obtain a modified sample; adding an ethanol water solution into the expandable graphite, adequately stirring, dropwise adding a silane coupling agent KH550, stirring for hydrolysis, adding boric acid, stirring to react, filtering, and drying, so as to obtain modified expandable graphite; adding acetone into carbon fibers, soaking for treatment, soaking the carbon fibers into concentrated nitric acid, washing, carrying out ultrasonic cleaning, and drying, so as to obtain surface-oxidized carbon fibers; and drying nylon 6 for 4-6 hours, mixing the nylon 6 with liquid paraffin, a graphene micropiece and the obtained material, carrying out melt blending and extrusion by virtue of a double-screw extruder, carrying out traction and drawing, and carrying out granulation by virtue of a granulator, so as to obtain particles.

The invention discloses a temperature control method for an electric oven and an electric oven. The method comprises the steps of obtaining an environment temperature Tenvironment; determining a temperature compensation coefficient Tcompensation according to the environment temperature Tenvironment; during the operation of an electric oven, regularly detecting a core temperature Tcore of the electric oven, and compensating the core temperature Tcore with the temperature compensation coefficient Tcompensation; and determining the heating power of a heating tube according to the set temperatureTsetting and compensated core temperature Tcore compensation, and then adjusting the heating power of the heating tube in the electric oven. According to the invention, the core temperature of the electric oven is temperature compensated according to the environment temperature, the compensated core temperature is used to replace the actual core temperature for combination with the set temperatureto determine the heating power of the heating tube, in this way, the loss of heat caused by the problem of heat dissipation of the electric oven can be compensated, the influence of the environment temperature on the temperature control of the electric oven is then reduced to make the temperature control of the electric oven more accurate, and the baked food can be more delicious.

The invention provides a cross-layer multi-model feature fusion and convolutional decoding-based image description method, and relates to the field of computer vision and natural language processing.The method comprises the following steps: S1, obtaining an embedded vector sequence and a final text feature; S2, calculating to obtain a vision and text fusion matching attention vector; S3, adding and fusing the attention vector and the text feature vector sum; S4, generating a complete description sentence. Cross-layer multi-model feature fusion is used, and the loss of low-layer image featureinformation is effectively compensated; the model can effectively extract and store semantic information in a complex background image, has the capacity of processing long-sequence words, is more accurate in description of image content and richer in information expression, and is worthy of vigorous popularization.

The invention discloses a networked personal data management method for a mobile device. The method stores complete personal data in a network server and stores frequently-used personal data in a mobile device cache, and comprises the following steps that: a mobile device client sends an identify authentication request to a network server side, the server side returns authentication result to the client, and the method is ended if the request is failed; data manipulation is performed on the personal data at the client, self-synchronization is performed on the personal data processed with the data manipulation between the client and the network server side, and the personal data needed to be manipulated is downloaded from the network server side if the manipulated data is not cached at the client. With the method, the personal data can be acquired from the server side as needed, the personal data cannot be influenced by changing the mobile device; the personal data can be automatically acquired from the server side, when space of the client is not enough, the personal data in the space of the client is automatically transferred into the server; privacy of the personal data can be set, and a data undelete function is provided.

The invention discloses a novel oil-gas separator. The invention comprises an upper cover and a casing connected with the upper cover. The invention is characterized in that an oil collecting cup is arranged in the casing, a cavity filter element is arranged in the oil collecting cup, the cavity filter element is connected with the upper cover, the cavity in the filter element is communicated with the air outlet cavity in the upper cover, the air outlet cavity is communicated with an air outlet opening, the air inlet opening on the upper cover is communicated with the inner cavity of the oil collecting cup, and the inner cavity of the oil collecting cup is separated from the cavity in the filter element via the filter element. The device is arranged on an air exhaust pipeline of a variable speed device, a transfer case, and a bridge, etc., and the oil outlet opening of the oil collecting cup leads the lubricating oil separated to be reflowed to parts of a main speed reducer, a mechanical transmission and a wheel side speed reducer after being filtered by a filter. Thereby the loss caused by the lubricating oil gasification is effectively reduced. The assembling and disassembling of the oil-gas separator on the pipeline are convenient, and the structure is simple. The default that the existing vehicle has no a gasification lubricating oil separation, as well as recovery device is made up.

The invention provides a clean, environmentally-friendly and economic bisphenol fluorene synthesizing method, and relates to the field of preparation and organic synthesis of bisphenol fluorene monomers. The method comprises the following steps of: (1) preparation: synthesizing bisphenol fluorene by using cheap 9-fluorenone serving as a starting raw material and phenol in the presence of an acid catalyst and a thiohydracrylic acid cocatalyst; and (2) post treatment: adding a weak base salt to neutralize the catalyst, adding an organic solvent for dissolving, filtering, collecting an organic phase, and reclaiming the solvent and the redundant phenol under reduced pressure. The method is few in reaction steps and easy to operate, the reaction time is shortened, the production efficiency is greatly improved, and industrialized production is facilitated.