3333results about How to "The method steps are simple" patented technology

The invention provides a black soybean cake processing method. The processing comprises the steps that 1, black soybean powder, glutinous rice flour, rice flour, red dates, lily, sweet-scented osmanthus, the fruits of Chinese wolfberry, mint leaves, granulated sugar, sesame powder and palm oil are weighed; 2, the red dates, the lily, the sweet-scented osmanthus, the fruits of Chinese wolfberry and the mint leaves are heated and decocted; 3, the granulated sugar is heated to be dissolved; 4, the black soybean powder, the glutinous rice flour and the rice flour are mixed, and then mixed liquid and the palm oil are added in the mixture for high-temperature steaming; 5, the steamed cake is coated with the sesame powder in a rolling mode. The black soybean cake processing method has simple steps, the black soybean cake is crisp and delicious and makes people enjoy aftertaste, and black soybeans have rich nutrients and have the effects of promoting cholesterol metabolism, lowering blood lipid, preventing cardiovascular disease and the like. Meanwhile, due to the fact that the red dates, the lily, the sweet-scented osmanthus, the fruits of Chinese wolfberry, the mint leaves and the like are added in the formula, the black soybean cake has the effects of enriching yin, nourishing kidney, protecting the liver, nourishing the stomach, discharging toxicant, keeping beauty and the like.

The invention discloses a horizontal well logging while drilling geo-steering method, and relates to the technical field of drilling, exploration and development of petroleum, natural gas and the like, in particular to a logging while drilling geo-steering method suitable for the drilling process of a horizontal section of a horizontal well. The method is characterized by comprising the following steps of: interpreting and making a logging curve graph and a well track profile graph by using real-time data obtained by logging while drilling and measurement while drilling, defining logging curve marking points on the logging curve graph and marking on the well track profile graph, further defining symmetrical marking points, analyzing and interpreting the symmetrical marking points to obtain the average formation dip and formation dip variation trend of each section of a well track, and redrawing a top boundary and a bottom boundary of a target layer by combining drilling points of the top boundary and the bottom boundary of the target layer; and predicting the altitude depth of a drill position according to the last measuring point, and determining the actual position of a drill in the target layer to provide a basis for next-step geo-steering decision making.

A method of producing a laminated core of a stator of an electric motor, includes at least one laminated core of a stator formed by stacked sheet-metal laminates, which have mechanical individual poles and of poles connected in the circumferential direction of the stator, at least one pole shank and at least one pole shoe facing a rotor. The sheet-metal laminates are configured with indentations and protrusions and, as a result, the sheet-metal laminates form the laminated core of the stator by interengagement of the indentations and protrusions. The mechanical poles of the laminated core of the stator have windings, and webs are provided between the poles to connect the connected mechanical poles in the circumferential direction. The axial set-up of the sheet-metal laminates of the laminated core of the stator has a predeterminable alternating succession of poles with a connecting web and poles without a connecting web.

The invention relates to a graphene nylon composite material and a preparation method thereof. The graphene nylon composite material comprises, by mass, 30%-85% of nylon, 1%-25% of graphene, 0.5%-4% of a wear-proof agent, 5%-45% of heat conduction filler, 1%-15% of a lubrication dispersing agent and additives including at least one of 15%-45% of a reinforcing agent, 2%-25% of a toughening agent, 5%-30% of a fire retardant and 0.02%-8% of auxiliaries. Due to addition of graphene, the graphene nylon composite material is excellent in abrasion resistance and heat conductivity.

The invention provides an electric vehicle intelligent queuing method capable of improving charging efficiency. The method is characterized by comprising the following steps that firstly, an electric vehicle driver is in connection with an intelligent charging network and a vehicle-mounted computer of an electric vehicle through an intelligent terminal; secondly, the intelligent terminal receives electric vehicle information transmitted by the vehicle-mounted computer in real time, wherein the electric vehicle information comprises electric vehicle serial numbers, residual electricity quantity, driving mileage and charging early-warning signals; thirdly, after the intelligent terminal receives the charging early-warning signals, the intelligent terminal is in communication with the intelligent charging network server and issues a charging request to the intelligent charging network server, ..., and eleventh, the turned electric vehicle is connected with an intelligent charging pile to be charged. According to the method, through a smart phone, the charging pile can be looked for, and through the residual electricity quantity of the electric vehicle, waiting time and predicated charging time required by charging several closest charging piles can be accurately predicated, the queuing efficiency is improved, and the queuing time is shortened.

The invention discloses an image type fire flame identification method. The method comprises the following steps of 1, image capturing; 2, image processing. The image processing comprises the steps of 201, image preprocessing; 202, fire identifying. The fire identifying comprises the steps that indentifying is conducted by the adoption of a prebuilt binary classification model, the binary classification model is a support vector machine model for classifying the flame situation and the non-flame situation, wherein the building process of the binary classification model comprises the steps of I, image information capturing;II, feature extracting; III, training sample acquiring; IV, binary classification model building; IV-1, kernel function selecting; IV-2, classification function determining, optimizing parameter C and parameter D by the adoption of the conjugate gradient method, converting the optimized parameter C and parameter D into gamma and sigma 2; V, binary classification model training. By means of the image type fire flame identification method, steps are simple, operation is simple and convenient, reliability is high, using effect is good, and the problems that reliability is lower, false or missing alarm rate is higher, using effect is poor and the like in an existing video fire detecting system under a complex environment are solved effectively.

The invention relates to a method for preparing fluorescent nano material converted on NaYF4, comprising the steps: yttrium nitrate, ytterbium nitrate and erbium nitrate or yttrium chloride, ytterbium chloride, erbium chloride and thulium chloride are dissolved in de-ionized water according to the mixture radio that the mol ratio of rare earth ions which are yttrium ion, ytterbium ion and erbium ion is equal to (70-95): (1-25): (0.5-10), so that the mixed solution is prepared; water soluble polymer having the ligand radical with the rare earth ions is added into the mixed solution for stirring reaction to form complex compound; the pH value of the mixed solution is adjusted to be 2-6; sodium fluoride, ammonium fluoride or hydrofluoric acid can be added into the mixed solution and stirred until colloid solution that is approximately transparent is obtained; then, the colloid solution is put into a high pressure closed reactor and heated at the temperature of 140-200 DEG C; after that the obtained product is cooled to be the room temperature, centrifugated, separated, washed and dried, finally, the fluorescent nano material converted on NaYF4 is obtained. The method can be used for preparing the converted material at lower temperature, the particle size and the appearance can be controlled, and the water-solubility is good.

The invention discloses a fluorine-boron fluorescent dye as well as a preparation method and application thereof, wherein the structure of the fluorine-boron fluorescent dye is shown as a formula (I) or a formula (II), in the formula (I) and the formula (II), R1 is H or halogen; R2 is CN; R3, R4, R5 and R6 are independently selected from H, halogen, C1-C6 alkyl or C1-C6 alkoxy; V, W, X, Y and Z are independently CH or N, and when V, W, X, Y or Z is N, N has no substituent group. According to the fluorine-boron fluorescent dye and the preparation method thereof, the maximal fluorescence emission wavelength of the fluorine-boron fluorescent dye is 518-600nm, and the fluorine-boron fluorescent dye also has excellent fluorescence quantum yield and Stokes shift, which shows that the fluorine-boron fluorescent dye has good application prospect in the bioanalysis fields of fluorescence labeling, bioimaging and so on; meanwhile, the preparation method is simple in steps, and raw materials can be obtained easily.

The invention provides a pumpkin cake processing method including the following steps: (1) weighing the following raw materials: pumpkin, glutinous rice flour, corn flour, chamomile, jasmine, violet, vervain, rose, granulated sugar, sesame powder, and ghee; (2) decocting the chamomile, jasmine, violet, vervain and rose; (3) heating the granulated sugar to be molten; (4) juicing the pumpkin; (5) mixing the glutinous rice flour with the corn flour, then adding the mixed liquid, the pumpkin juice and the ghee, and steaming thoroughly; and (6) carrying out vacuum package to obtain a finished product. The method is simple in steps; the finished product is crisp and delicious, and makes a person enjoy in retrospect; an antioxidant beta-carotene contained in the pumpkin has eye and heat protecting functions, and also can well prevent occurrence of cancer cells; at the same time, because the chamomile, jasmine, violet, vervain, rose and other raw materials are added in the formula, the product has health care functions of adjusting physiology, invigorating blood and caring skin.

The invention discloses a production method of Maotai-flavor liquor. Compared with conventional process, the invention replaces sorghum and wheat with rice, sticky rice, corn, wheat and sorghum which serve as brewing materials, replaces the process of only taking Maotai-flavor daqu as a ferment with the fermentation process of combining two daqu: Luzhou-flavor daqu and Maotai-flavor daqu for preparation, and replaces the convenient process of twice of grain addition, eight rounds of fermentation and seven rounds of liquor taking with the process of one-time grain addition, nine times of fermentation and eight times of liquor taking. The invention has the following advantages: the quality of each round of liquor and combined mixed body of each round of liquor is superior the quality of the existing method, thus obviously reducing the yield of liquor of inferior quality rounds, obviously improving the yield of liquor of superior quality rounds and improving the total yield, and the Maotai-flavor style of the product and aftertaste thereof are both superior to Maotai-flavor style and aftertaste of the Maotai-flavor liquor prepared by the existing method, and the product has elegant multi-grain compound flavor.

The invention discloses a black phosphorus preparation method with a high conversion rate. The preparation method comprises the following steps: mixing red phosphorus, tin and tin tetraiodide in a mass ratio of (1-6):(40-50):(1-2), filling the mixture into a quartz tube, vacuumizing until the pressure in the quartz tube is smaller than 0.05 Pa, sealing the tube, heating to ensure that the raw material end temperature in the quartz tube is 100-400 DEG C, heating to 400-700 DEG C in 1-2 hours, keeping the temperature for 5-10 hours, then cooling to 200-500 DEG C in 6-8 hours, keeping the temperature for 1-3 days, and finally cooling to the room temperature in 10-15 hours to obtain black phosphorus. The preparation method disclosed by the invention is simple in step and strong in operability; on the one hand, a nontoxic raw material is adopted to achieve effects of cleanliness and environmental friendliness, and on the other hand, only a mild reaction condition is needed, so that the energy consumption and cost are reduced, and the prepared black phosphorus has good crystallinity and a high conversion rate. The preparation method disclosed by the invention has strong repeatability and is favorable for industrial popularization and application.

The present invention belongs to the field of iron and steel smelting technology, and is especially boron steel producing process in a converter. The production process includes the steps of smelting in a converter, deoxidizing and refining in a ladle, and boron alloying. The boron steel producing process has low oxygen content in molten steel after refining, high boron steel yield of 69.4-91.8 %, and excellent application foreground.

The invention discloses a wavelet transform and variable-step-size LMS (least mean square) adaptive filtering based signal denoising method which comprises the following steps that: 1, signal receiving and synchronous storage: a data processor synchronously stores received signals into a data memory so as to obtain a sampling sequence X (k) which is a one-dimensional signal; 2, high-frequency signal extraction: the data processor carries out wavelet transform on the currently received one-dimensional signal X (k) and extracts high-frequency signals; and 3, LMS adaptive filtering: the data processor invokes the high-frequency signals extracted by an LMS adaptive filter to carry out LMS error calculation so as to obtain output signals subjected to filtering, and carries out adjustment on the parameters of the filter according to error signals, so that the output signals tend to interference signals. The method disclosed by the invention is simple in steps, reasonable in design, convenient to realize, and good in denoising effect; and the denoising process is performed through the combination of wavelet transform and variable-step-size LMS adaptive filtering, so that the filtering effect and the tracking speed are effectively increased.

The invention discloses an image enhancement and partition method, which comprises the following steps of I, image enhancement: a processor and an image enhancement method based on fuzzy logic are adopted for performing enhancement processing on an image needing to be processed, and the process is as follows: i, converting from an image domain to a fuzzy domain: mapping the grey value of each pixel point of the image needing to be processed to a fuzzy membership degree of a fuzzy set according to a membership function (shown in the specifications); ii, performing fuzzy enhancement processing by utilizing a fuzzy enhancement operator in the fuzzy domain; iii, converting from the fuzzy domain to the image domain; II, image partition: partitioning a digital image subjected to enhancement processing, i.e. a to-be-partition image, according to an image partition method based on a three-dimensional fuzzy division maximum entropy. The method is simple in steps, reasonable in design, convenient to realize, good in processing effect and high in practical value, and an image enhancement and partition process can be simply, conveniently and quickly completed with high quality.

The invention discloses a water conservation coal cutting method for small and medium-sized coal mines in a waterhead area. The method comprises the following steps: 1, defining the position of a coal bed, that is, defining the thickness and the buried depth of the coal bed in an exploited coal mine according to a boring log; 2, defining exploitation parameters, that is, defining a roof rock beambearing load, the higher limit value Lmax of the width of an exploitation strip, and the lower limit value Dmin of the width of a coal pillar; 3, defining an exploitation scheme, that is, defining the mining and the reservation widths during strip exploitation according to the Lmax and the Dmin, wherein the width L0 of a strip exploited during strip exploitation is smaller than or equal to Lmax, and the width D0 of a reserved coal pillar is larger than or equal to Dmin; and 4, exploiting, that is, exploiting the coal bed according to the conventional strip exploitation method, and reserving acoal pillar of which the width is D0 every time when a strip of which the width is L0 is exploited. The water conservation coal cutting method has the advantages that the design is reasonable; the implementation is convenient; the maneuverability is high; the using effect is good; and the problems of easily caused great loss of the phreatic water resource, and poor water conservation coal cuttingeffect during the conventional exploitation of the small and medium-sized coal mines in the waterhead area are solved.

In order to clean a component disposed inside a process air circuit of a washer or washer / dryer, particularly a vaporizer (EV) of a condenser device, condensation water acquired in the process air circuit from the drying of wet laundry and collected in a condensation water tank (KW) is conducted to a rinsing container (SB) provided above the condenser and dispensed to the component (EV) in question as a gush of water by the sudden opening of said rinsing container on the outlet side.

The invention provides an AMOLED display panel brightness compensation method and device. The method is concise in step. The device is simple in structure and easy to operate. The aging test is performed on a display panel in advance and the attenuation law of the sub-pixel brightness along with grayscale and time is obtained, the compensation data are calculated and a dynamic compensation table is generated; and the inputted original grayscale is corrected in a correction module according to the dynamic compensation table, the sub-pixel brightness is compensated and the display panel is enabled to be normal in display. The beneficial effects are that aging of the TFT in the displayer and attenuation of the OLED luminous efficiency can be compensated without arranging the circuit or the sensor for detecting the luminous state in the display panel.

Multiphasic reactions, especially those reactions using a phase transfer catalyst, are conducted in microchannel apparatus. Advantageously, these reactions can be conducted with two, planar microlayers of reactants in adjacent laminar flow streams. Microchannel apparatus and methods for conducting unit operations such as reactions and separations in microchannel apparatus is also described. Microchannel apparatus can provide advantages for controlling reactions and separating products, solvents or reactants in multiphase reactions.

The invention discloses a method and a device for monitoring leakage of a memory. The method comprises the following steps of monitoring the operation information of a user interface of a user on an application program, and storing the monitored operation information of the user interface; monitoring the usage condition of the memory of a system, and obtaining the information of the memory of the system; obtaining the key field value for indicating the usage condition of the memory in the application program from the information of the memory; if the first comparison result indicates that the key field value is greater than the first preset threshold, determining the occurrence of leakage of the memory, and utilizing the operation information of the user interface and the information of the memory to generate alarming information; after receiving triggering information, outputting the alarming information. The method and the device have the advantage that the particular operation scene which occurs during the leakage of the memory can be determined, and the corresponding LOG information is analyzed, so a developer can quickly locate the use problem of the memory in the program.

The invention discloses a method for inspecting a single-phase earth fault point of a power distribution network. The method includes the following steps: (1) injecting a test current signal and current detection: inspecting a signal source through a single-phase earth fault, respectively injecting the test current signal with the current value of A1 into three phase lines of the inspected power distribution network in sequence, and adopting a current detection device to synchronously conduct current detection and record detection results when the test current signal is injected into any phase line; (2) judging the existence of the single-phase earth fault: analyzing the detection results recorded in the step one; (3) determining fault sections: comparing the current on the left side and the current on the right side of a signal injecting point on the detected fault phase line, and determining the fault sections of the fault phase line according to the comparative results. The method is simple in step, easy and convenient to operate, low in input cost, low in workload, low in working difficulty, good in using effect and capable of solving a plurality of problems in an existing method for inspecting the single-phase earth fault point.

The invention provides sgRNA and a gene vector for inhibiting bladder cancer by targeting human lncRNA-UCA1 and an application of the sgRNA; specifically, sgRNA sequences of an lncRNA-UCA1 gene and a PD-1 gene suitable for CRISPR-Cas9 targeted splicing are designed; by transforming plasmids of specific splicing lncRNA-UCA1 gene and CRISPR-Cas9 nuclease gene into human bladder cancer cells, the expression of the lncRNA-UCA1 gene drops so as to inhibit the growth of tumor cells; and the plasmid, together with a human PD-1 gene targeted knockout vector, is transformed into a humanized mouse model of bladder cancer transplanted tumor, so as to obviously inhibit the growth of tumors. According to the invention, the vector is simple in preparing steps, the sgRNA is good in targeting property and the CRISPR-Cas9 is high in knockout efficiency.

The invention discloses a method for preventing and controlling a bottom heaving disaster of a mine stoping tunnel. The method comprises the following steps: 1) digging a stoping tunnel; 2) confirming a mechanical parameter of a surrounding rock substrate; 3) confirming a supporting scheme for the stoping tunnel: respectively confirming supporting structures adopted by a top plate supporting system, a tunnel side part supporting system and a base plate supporting system, wherein the supporting structure is confirmed by adopting the top plate supporting system according to a conventional confirming method for a tunnel top plate supporting scheme, the supporting structure is confirmed by adopting the tunnel side part supporting system according to the width of a coal side breaking area, andthe supporting structure is confirmed by adopting the base plate supporting system according to the maximum breaking depth of the tunnel base plate and the horizontal distance from the maximum breaking depth of the tunnel base plate to a side wall of an adjacent tunnel; and 4) constructing the supporters of surrounding rocks of the stoping tunnel. The method provided by the invention is simple insteps, is conveniently realized, is low in invested cost and is good in use effect. The bottom heaving problem of the mine stoping tunnel under a complex condition is solved. The repairing operation of the stoping tunnel is avoided and the construction cost is low.

The invention discloses a subway station deep foundation pit excavation construction method, wherein the upper portion of an excavated foundation pit is a sandy gravel stratum, and the lower portion of the excavated foundation pit is a mud rock stratum. The method includes the steps of 1, precipitation construction, wherein precipitation construction is conducted on the sandy gravel stratum through a precipitation well and 2, foundation pit excavation, wherein the foundation pit excavation includes the following steps of foundation pit partition and foundation pit earthwork excavation; the excavated foundation pit is divided into a plurality of small foundation pit bodies to conduct excavation respectively; the small foundation pits comprise first foundation pit bodies and second foundation pit bodies; excavation is conducted on the divided small foundation pit bodies; an open-cut method is adopted for the first foundation pit bodies and the second foundation pit bodies; the first foundation pit bodies are supported by fender posts, reinforced concrete supports and steel pipe inner supports; the second foundation pit bodies are supported by the fender posts, pre-stressed anchor cables and the steel pipe inner supports. The subway station deep foundation pit excavation construction method is simple in step, reasonable in design, convenient to construct, faster in construction process, good in construction effect and capable of easily conveniently and fast to finish deep foundation pit excavation construction process, and the influences on the surrounding environment by the excavation construction process are smaller.

The invention discloses a building outer boundary line extraction method based on onboard LiDAR (Light Detection and Ranging) data. The method comprises the following steps: I, acquiring LiDAR point cloud data; II, processing the LiDAR point cloud data: processing point cloud data of a building, and extracting an outer boundary line of the building, wherein the point cloud data of the building is processed through the following steps: 201, extracting the outer boundary points of the building; 202, extracting feature points; 203, performing linear fitting through a least square method, and acquiring an initial boundary line; 204, determining the main direction and the secondary direction of the building; 205, regularizing the initial boundary line: performing regularization processing on a plurality of linear segments in the initial boundary line respectively according to the determined main direction and secondary direction; 206, acquiring the regularized boundary line. The method is simple in steps, is reasonable in design, is convenient to implement and has a good use effect; the extraction process of the outer boundary line of the building can be finished easily, conveniently and rapidly, and the regularization degree of an obtained outer boundary vector is high.

The invention discloses a high ground stress weak surrounding rock tunnel excavation and support construction method. Excavation and support construction are conducted on a weak surrounding rock tunnel to be constructed in multiple sections from rear to front in the longitudinal extension direction of the tunnel. The method comprises the steps that 1, rock body strength and the maximum ground stress inside surrounding rock are tested; 2, the extrusion-type large-deformation level of the surrounding rock is determined; 3, a primary support scheme is determined, wherein the primary support scheme is determined according to the determined extrusion-type large-deformation level, and the primary support scheme is a profile steel frame support scheme or a grid steel frame and cover arch combined support scheme; 4, tunnel excavation and support construction are conducted; 5, excavation and support construction of the next section are conducted; 6, the fifth step is repeated for many times till the whole excavation and support construction process of the weak surrounding rock tunnel to be constructed is completed. According to the high ground stress weak surrounding rock tunnel excavation and support construction method, the steps are simple, the design is reasonable, construction is convenient, the use effect is good, the tunnel excavation and support construction process of the high ground stress weak rock tunnel can be completed easily, conveniently and rapidly, and the construction process is safe and reliable.

The invention discloses a construction method for supporting a deep foundation pit through grouting after pile arrangement and anchor cable mounting. The construction method comprises the steps that firstly, pile arrangement supporting structure construction is performed, wherein a pile arrangement supporting structure comprises multiple slope protection piles which are arranged along the peripheral edge line of the constructed foundation pit from front to rear and a crown beam connected to the upper portions of the slope protection piles; secondly, foundation pit excavation is performed, wherein the constructed foundation pit is excavated from top to bottom; and thirdly, anchor cable supporting structure and waist beam construction is performed, wherein during excavation of the constructed foundation pit, the constructed foundation pit is excavated to the anchoring position of an anchor cable supporting structure, and the anchor cable supporting structure is constructed; and the anchor cable supporting structure comprises multiple prestress anchor cables, each prestress anchor cable comprises an anchor cable body, a primary grouting pipe and a secondary grouting pipe, and each anchor cable body comprises multiple steel strands. The method has the beneficial effects that the steps are simple, the design is reasonable, construction is easy and convenient, the use effect is good, the deep foundation pit supporting construction process can be completely easily, conveniently and quickly, the cost of the adopted prestress anchor cables is low, the anchoring force is high, and the deep foundation pit can be supported effectively.

The invention belongs to the field of gene sequencing, and discloses an establishment method for a small fragmental DNA (Deoxyribose Nucleic Acid) library based on an Ion ProtonTM sequencing platform, and a relevant solvent composition solution. The establishment method disclosed by the invention comprises the steps of DNA sample extraction, tail end repairing, fragment selection, joint connection, PCR (Polymerase Chain Reaction) amplification, library detection, high-throughput sequencing and the like, wherein a reagent I, a reagent II and a reagent III are respectively adopted in the steps of tail end repairing, joint connection and PCR amplification. The establishment method disclosed by the invention is precise and simple in step, simple to operate, small in reagent variety and low in cost, the loss and waste of the library are reduced, and the working efficiency is improved; in addition, the establishment method can be applied to noninvasive antenatal diagnosis on pregnant woman peripheral blood fetus chromosome aneuploid based on the Ion ProtonTM sequencing platform, the diagnosis result is high in accuracy rate and is safe and economic, and the birth rate of chromosome aneuploid fetuses can be effectively controlled.

The invention discloses an advanced pre-splitting method for lump coal mining. The method with carbon dioxide pre-splitting and hydraulic fracturing combined is adopted, advanced pre-splitting of a working face is carried out on a coal layer needing mining in a multi-segmental mode from near to far in the advancing direction of the coal layer working face. The advanced pre-splitting method for every segment comprises the first step of hole drilling, wherein pre-splitting drill holes are drilled in the current pre-split segment; the second step of carbon dioxide pre-splitting, wherein a carbon dioxide pre-splitting device is installed in each drilled pre-splitting drill hole, the drill holes are sealed, and then pre-splitting is initiated; the third step of installation water injection pipes, wherein each pre-splitting drill hole is internally provided with one high pressure water injection pipe, and the holes are sealed; the fourth step of hydraulic fracturing, wherein water is injected into the pre-splitting drill holes through the high pressure water injection pipes to carry out hydraulic fracturing. According to the method, steps are simple, design is reasonable, the method is easy to implement and good in use effect, the problems that an existing deep hole blasting pre-splitting method is not safe, serious in pollution, high in investment cost, poor in use effect and the like are effectively solved, and the lump coal rate of a fully mechanized coal mining face is improved effectively.

The present invention provides a flip-chip package substrate and a method for fabricating a flip-chip package substrate comprising a circuit build-up structure, which comprises at least a dielectric layer and at least a circuit layer, wherein each dielectric layer comprises a first surface and a second surface, plural vias are formed in the first surface, the circuit layer is formed on the first surface and in the vias to electrically connect to another circuit layer disposed under the dielectric layer; a metal layer embedded in the exposed second surface of the circuit build-up structure without protruding the exposed second surface and connected to the circuit layer; and two solder masks disposed on the exposed first surface and the exposed second surface of the circuit build-up structure, wherein the solder masks have plural openings to separately expose part of the circuit layer and the metal layer functioning as conductive pads.