293results about How to "The overall impact is small" patented technology

This invention discloses a blood vessel forming device and method for 3D bioprinting. The device and method are used for the bioengineering technology and aim to solve the problems that currently, when blood vessels are printed through the 3D bioprinting technologies, the blood vessels are poor in forming quality and small in forming length. According to the method, biological ink is printed on rotary rods with the surfaces coated with thermo-sensitive hydrogel through the 3D bioprinting technologies, and the needed biological blood vessels can be formed through further biological culture. According to the method, the rotary rods with different diameters and lengths can be prepared for printing the biological blood vessels with different sizes, blood vessel tissue which is uniform in thickness and accurate in printing size can be fast printed, the available 3D printing technologies are diverse, and the device and method are wide in practicability. We call the method a 3D rotational forming printing method (3Denvelop Bioprinting Method).

The invention discloses a flexile OLED display panel and a flexible OLED display apparatus. The flexile OLED display panel comprises a flexible substrate, a pixel unit, a buffer layer and a shading layer, wherein the flexible substrate has a first surface; the buffer layer is positioned on the first surface of the flexible substrate, and the buffer layer is positioned between the flexible substrate and the pixel unit; and the shading layer is positioned in the buffer layer. The performance of the flexile OLED display panel is improved.

A wettable powder of bacillus thuringiensis and beauveria bassiana relates to a mixed biopesticide, aiming to the shortcomings of prevention and treatment limitations of beauveria bassiana and bacillus thuringiensis (Bt), particularly poor quick-acting property of microbial pesticides. The wettable powder provided in the invention is prepared from the following components: 10-14wt.% of bacillus thuringiensis, 4-14wt.% of beauveria bassiana, 3-5wt..% of wetting agent, 10-20wt.% of dispersant, 0.1-0.5wt.% of ultraviolet protectant and 50-60 wt.% of carrier. The wettable powder of bacillus thuringiensis and beauveria bassiana provided in the invention is high in activity, stable in effect, long in persistence and convenient for use.

The invention discloses a switching control method and a device of a home network, which are used for solving the problem that in the existing home network, emergency business load cannot be switched to a UE access-restricted area when area switching is carried out, so the reliability and continuity of the emergency business in the home network are caused to be lower. The switching control method of the home network comprises the steps of: receiving first switching request information which requires to switch UE from a source home base station area to a targeted home base station area, wherein UE bearing information from the side of the source home base station area is contained; and when the targeted home base station area is judged to be the UE access-restricted area, and if UE is judged to have emergency business load which is under construction or activated at the side of the source home base station area according to the bearing information, the emergency business load is controlled to be switched to the targeted home base station area. The invention improves the reliability and the continuity of the emergency business in the home network.

The invention discloses a dual-mode dual-standby terminal in which both a mode A non-access layer protocol stack and a mode B non-access layer protocol stack can access and update a Number 1 non-access layer information unit and a Number 2 non-access layer information unit, and also can perform a non-access layer processing to data flows and events of the Number 1 and the Number 2; both a mode A access layer protocol stack and a mode B access layer protocol stack can access and update a Number 1 access layer information unit and a Number 2 access layer information unit, and also can perform the access layer processing to the data flows and events of the Number 1 and the Number 2; besides, the mode A access layer protocol stack and the mode B access layer protocol stack can carry out information interaction. Switching between the modes can be accomplished by using the invention. Meanwhile, the invention also provides a method for switching between the modes of the dual-mode dual-standby terminal, and a single-mode dual-standby terminal.

The invention relates to a current differential protection method based on fault component current amplitudes and phase differences. The current differential protection method is characterized in that: a differential protection criterion is formed by the adoption of the current fault component amplitudes at two sides of a protected line and the phase differences at the two sides of the protected line, wherein the differential current value (Icd) is equal to the sum of the current fault component amplitude (the absolute value of [delta]IM) at one side and the product of the current fault component amplitude (the absolute value of [delta]IN) at the opposite side and a cosine function of the phase difference ([phi]) between the absolute value of [delta]IM and the absolute value of [delta]IN, i.e. Icd= (the absolute value of [delta]IM)+(the absolute value of [delta]IN)cos[phi]; and the braking current (Ir) is equal to the difference between the absolute value of [delta]IM and the product of the absolute value of [delta]IN and the cos[phi], i.e. Ir= (the absolute value of [delta]IM)-(the absolute value of [delta]IN)cos[phi], and the differential protection criterion is the following inequation: Icd-KIr>= Idz, wherein K is a braking coefficient and Idz is an action current threshold. If the differential protection criterion is satisfied, an internal fault is determined and the differential protection acts; if the differential protection criterion is not satisfied, an external fault is determined and the differential protection does not act. The current differential protection method related to the invention has the advantages of higher sensitivity for internal faults, higher safety for external faults, fewer effects subjected from the factors, such as the transition resistance, the distributed capacitance, the TA saturation and the like, and good performances.

The invention discloses a survey method for an audience rating of digital television users. The method is characterized in that the method comprises the following steps that: a data collection step in which a data collection module is internally arranged on a middleware of a digital set-top box and is responsible for collecting user viewing behavior data; a data transmission step in which the digital set-top box is connected with an Internet network by a built-in Bluetooth or an externally connected network card and transmits the data to a server having a public network IP; a data storage process in which the server receives the data and then the data are parsed and stored to a database; a data analysis process in which the server carries out automatic analysis and statistics on the data; and a data presentation process in which a client invokes a server to carry out calculation and analyses on all indexes of the audience rating and present data of data analysis results of the reviewing behaviors. According to the invention, a set-top box with two-way transmission is supported; and user viewing behavior data is transmitted from an Internet or a metropolitan area network to a server; therefore, compared with the traditional survey mode, the survey method provided in the invention has advantages of high real-time performance, high accuracy and low cost and the like; moreover, lots of manpowers, material resources and financial resources are saved.

The inVention belongs to the technical field of noVel cigarettes, and particularly relates to a cigarette structure of a heating non-combustible cigarette. The heating non-combustible cigarette is composed of a cylinder hollow coiling block and a cigarette front section, a cigarette middle section and a cigarette back section which are sequentially arranged inside the coiling block, and the diameters of the cigarette front section, the cigarette middle section and the cigarette back section are all equal to the inner diameter of the coiling block. By forming multiple sheet heating body insertion grooVes, a consumer can conVeniently insert sheet heating bodies into cigarettes. When the structure of the multiple sheet heating body insertion grooVes is adopted for heating, the surplus sheet type heating body insertion grooVes and suction resistance regulating air holes can jointly achieVe the air guiding effect, and the insertion grooVes can also replace the suction resistance regulatingair holes to directly achieVe the air guiding effect.

The invention relates to in-situ preparation of a cobalt-base alloy gradient coating on an aldary surface through laser induction and a method thereof, and belongs to the material technical field. The gradient coating comprises a first coating, a second coating and a third coating, and the thickness of each coating is 0.04 to 0.10mm, 0.03 to 0.08mm and 0.07 to 0.13mm respectively. The preparation method comprises the steps as follows: the aldary surface is processed through activating treatment, Al, Co, C, Ni, Cr, Fe, Si, CrO3, Y2O3, Mo, W, MgO, B2O3 and graphite nodule milling are mixed and are prepared into a mixed materiel for the three coatings respectively; and the mixed materiel for the three coatings is spread on the aldary surface; and the ceramic particle reinforced cobalt-base alloy gradient coating is prepared through laser induction in-situ. The invention adopts the advanced technology for preparing an advanced heatproof wear-resistant gradient coating on the aldary surface, and has good application prospect and important economic significance.

The invention discloses a chopped-mode energy-saving electromachining pulse power supply. The chopped-mode energy-saving electromachining pulse power supply comprises a second adjustable direct-current power supply, a first adjustable direct-current power supply, a main control single chip microprocessor, a stabilizing circuit, a first power switch pipe, a second power switch pipe, a first high voltage isolation diode, a second high voltage isolation diode, a pulse conversion and arc starting drive circuit, a pulse conversion and chopping drive circuit and a power supply regulation control circuit. By adopting the chopped-mode energy-saving electromachining pulse power supply, a current limiting resistor with severe energy consumption is canceled, the utilization rate of the pulse power supply can be increased; moreover, the power supply has the properties such as easiness in arching, self-adaptive voltage regulation and adjustability of pulse current parameters, and the pulse voltage, pulse current, pulse width and pulse interval can be independently adjusted.

A method for detecting NK cytotoxic index based on flow cytometry comprises the following steps of step 1, inoculating and culturing cells; step 2, collecting and dyeing the cells: classifying NK cells and tumor cells by using CD2-APC fluorescent dye, and then dyeing the apoptotic and necrotic target cells by using Annexin V-FITC / SYTOX Green; and step 3, carrying out flow type computer detection.The method provided by the invention uses Annexin V-FITC / SYTOX Green double dyeing and adopts the same detecting channel to mark all the apoptotic and necrotic cells, thereby obviously reducing the missed detection of various different states (early apoptosis, middle and late apoptosis or necrotic cells) of the tumor cells after NK cytotoxicity.

The invention discloses a method for processing quick-drying air-permeable fabric with double surfaces functioning differently. The method includes the steps of (1) preprocessing, mercerizing and whitening SORONA fiber textile to obtain a material A; (2) printing pigment on the material A and baking to obtain a material B; (3) performing antarafacial effect treatment on the material B by sizing C; (4) baking at low temperature, padding moisture absorption and sweat releasing agent, calendaring and preshrinking finally, wherein the sizing C with viscosity ranging from 16000 to 18000 mpa.s is formed by mixing, by mass, 10-15 parts of fluorocarbon, 2-5 parts of blocked isocyanate, 2-3 parts of thickening agent, 0.1-0.3 part of ammonia water containing 20% of ammonia by mass, 0.1-0.3 part of acid-releasing agent, with water. By the method, stability of the quick-drying air-permeable fabric with the double surfaces functioning differently can be improved, and washable capability of the fabric can be greatly improved.

The invention relates to the technical field of biological fermentation. A soybean anti-nutritional factor is effectively removed from soybean meal by taking the soybean meal and bran as raw materials and utilizing microorganism fermentation technology; meanwhile, high-quality fermented soybean meal which is rich in polypeptide with the molecular weight of lower than 15KDa is obtained. The invention particularly relates to a microorganism fermentation process for preparing high-antioxidation low-sensitization soybean meal by solid state fermentation. After one original starting strain, namely Aspergillus oryzae (CICC 40188) is subjected to activation and amplification culture, spore suspension with 10<6> of spores per ml is prepared by using 0.12 percent Tween 80-containing sterile water, is taken as soybean meal fermentation inoculation liquid, and is inoculated to a soybean meal fermentation base stock according to the inoculation amount of 10 percent (the soybean meal is crushed and sieved with a screen of 20 meshes, a ratio of the soybean meal to the bran is 3:1, and a ratio of material to water is 1:0.9), the mixture is uniformly mixed, is fermented at the temperature of 28 DEG C for 48 hours, and is dried at the temperature of 60 DEG C, and nutrient components of the soybean meal before and after the fermentation are analyzed.

The invention discloses an apixaban tablet and a preparation method thereof, and belongs to the technical field of medicines. The apixaban tablet consists of a tablet core and a coating, wherein the tablet core is composed of apixaban, a fiber-lactose compound, crosslinked carboxy methyl cellulose, lauryl sodium sulfate and magnesium stearate; various components in the tablet core are controlled within limited dosage ranges and a mutual synergistic effect is achieved, so that the dosage of the cross-linked sodium carboxymethyl cellulose as a disintegrating agent is reduced and the dissolution rate of the apixaban tablet is improved; therefore, the average dissolution rate within 10min is more than 90%, the dissolution rate is slightly affected by illumination, temperature and humidity, the performance is stable, and the apixaban tablet is low in contents of impurities. According to the preparation method of the apixaban tablet disclosed by the invention, the tablet core is prepared by a way of directly tabletting a powdery mixture, so that a granulation process is avoided, operation is simple and convenient, and the technological process is simple; and the apixaban, as a crude drug, is subjected to micronization treatment before the mixed powder is prepared, so that the dissolution rate of the apixaban tablet is accelerated.

The invention discloses a spacecraft single particle soft error protection system structure. According to the spacecraft single particle soft error protection system structure, single particle soft error protection is divided into four grades according to the design characteristics of spacecraft in China, unified design is adopted, different means and strategies are adopted for protection of the grades, and the graded and hierarchical single particle soft error protection system structure is formed. The whole system structure utilizes satellite borne computing resources and completes a single particle soft error protection task jointly through a center computer fault-tolerance and system-level single particle protection module, a center computer, a comprehensive service unit and sub-system information processing units, and the system structure has good overall and local control performance. The grades of soft error protection strategies make full use of relevance between the spacecraft information processing units, the functional modules completing the single particle soft error protection can coordinate with one another, and a clear task interface is also kept.

The invention discloses a method for demolishing a building or building components based on the resonance principle. The method is characterized by comprising the technological steps that after the building or building component ancillary facilities are demolished, the distance between supporting facilities is measured, the natural vibration frequency of the building or building components is determined, a suitable vibration excitation device is selected according to the natural vibration frequency of the building or building components, the selected vibration excitation device is installed in the quality or rigidity center, the frequency of the vibration excitation device is adjusted to be equal to or approximate to the natural vibration frequency of the building or building components so that mechanical resonance of the building or building components can be achieved, and accordingly the building or building components can be demolished. The method for demolishing the building or building components is safe, economical and environmentally friendly, and the device can be recycled.

The invention provides a diversity receiving method and device for an OFDM receiver, where the method firstly oversamples OFDM signals in time domain and resamples time-domain signals through interpolation by integral times of sampling frequency of transmitted signals; after completing synchronous regulation, divides the signals into multiple signals to pass through FFT modules and makes corresponding subcarrier wave phase correction on the output of each FFT module; then, merges all signals and makes follow-up balanced decoding and other processing. By oversampling of time-domain signals and increasing partial operational complexity, the method obtains diversity gain of the OFDM system, reducing the noise effect on the system and improving the whole performance of the OFDM receiver.

The invention provides a vehicle-mounted-GPS-based public transport priority signal control method of the urban road traffic. A vehicle-mounted GPS positioning system is installed at a bus. When the bus approaches an intersection, the vehicle-mounted GPS positioning system sends a verification data signal to a traffic command center; the traffic command center carries out communication with a front-end intersection signal machine and a traffic signal lamp at the intersection is controlled to be changed so as to realize public transport priority passing control. To be specific, (1), the green light time is prolonged; when the green light time at the intersection is coming to the end, the green light time at the marching direction is increased, so that the incoming bus can pass through the intersection; and (2), the red light time is interrupted or priority passing is called for; for the bus arriving at the red light phase, the existing red light is switched after the shortest green light time of the current red light phase and thus the bus priority green light is turned on in advance. Therefore, the bus operation speed is effectively accelerated; the bus route time is reduced practically; and the overall impact on other traffic flow is low.

The invention discloses a network tax control system based on a tax controller combination unit. The system consists of invoice management software of an enterprise management terminal, the tax controller combination unit and invoice collecting software of a plurality of billing terminals, wherein the invoice management software runs in a management computer of a taxpayer, serves as the server software of the invoice collecting software of each terminal and the host software of the tax controller combination unit to respond requests of generating invoice tax control codes of each piece of invoice collecting software of a network terminal concurrently and intelligently schedule control commands of each tax controller concurrently and completes the related invoice operation, such as the generation of the invoice tax control codes and the like; the tax controller combination unit is arranged in a computer having the invoice management software by an interface cable, consists of a plurality of independent national standard tax controller devices and responds the related invoice control commands of the invoice management software concurrently; and the invoice collecting software runs on point-of-sale (POS) machines of each sale terminal of a network, collects the sale data of the POS machines of the terminals in a software interception way, applies to the invoice management software for the invoice tax control codes by an enterprise internal internet and prints tax control invoices by using a POS printer.

The invention provides an artificial propagation method for yellowfin groupers. The artificial propagation method comprises the steps that (1) parents are selected; (2) a parent breeding pond is separated into a deep water area and a shallow water area with water flow communicated, wherein the water depth of the deep water area ranges from 4 m to 5.5 m, and the water depth of the shallow water area ranges from 3 m to 3.5 m; (3) parent fish breeding management is carried out, wherein a, in first 3 weeks during breeding, LED green light and yellow light alternately irradiate the water surface ofthe pond, and after the parent fishes are bred for 3 weeks or longer, the water surface of the pond is irradiated by the LED green light; b, feed is prepared from 3-5 parts of grouper compound feed and 1-2 parts of small fish and shrimp and artificial pellet feed, the parent fishes are fed with the first feed in the first 3 weeks during breeding, and the parent fishes are fed with the second feedafter being bred for 3 weeks or longer; c, the water temperature of the pond ranges from 21 DEG C to 26 DEG C, and water dissolved oxygen is larger than 4.8 mg / L; (4) breeding is enhanced before propagation is carried out; (5) artificial propagation is carried out; (6) zygotes are collected and hatched. According to the artificial propagation method for the yellowfin groupers, the adaptive capacity to environment of the parent fishes is enhanced, the activities of fish shoals are effectively promoted, the feeding rate is effectively increased, the fertility is high, and large-scale artificialbreeding of the yellowfin groupers can be effectively achieved.

The invention discloses a business service system, which comprises a plurality of multi-activity data centers and at least one DNS domain name server, and is characterized in that each multi-activitydata center comprises a virtual machine cluster and a storage cluster; the virtual machine cluster comprises a plurality of virtual machines, containers are deployed on the virtual machines, and service applications are deployed on the containers; the DNS domain name server is used for determining a multi-activity data center for providing business service according to the position of a user initiating a business service request, and returning a router domain name of the multi-activity data center for providing the business service for the user to the user; the multi-activity data center is used for providing business services for users in an area where the multi-activity data center is located; the storage cluster comprises a plurality of storage equipments, and the storage cluster is used for storing data and / or application mirror images of a multi-active data center. By adopting the system, the problem that an existing data center is inconvenient for deployment and migration of dataand business services is solved.

The invention relates to a continuous proportioning system and a method for a refractory synthesized material, belonging to the technical field of refractory materials. The system comprises a proportioning bin, a belt weigher, a belt conveyer, an on-line element analyzer, a data processing control console and proportioning software, wherein, the on-line element analyzer is used for carrying out full-flow component detection on materials before grinding, and analytical software is used for calculating the composition of the materials and controlling the feeding proportion of the materials according to prescription requirements so as to achieving the purpose of on-line continuous proportioning, thereby realizing that the components of the materials to be ground are precise, unified and stable. The invention overcomes the scale limitation of the traditional batch-type proportioning, solves the problem that the traditional continuous proportioning can not ensure the components of the materials to be ground, promotes the mass production of high-quality synthesis refractory materials, simplifies the control flow and saves the cost.

The invention discloses a network detection optimization method based on ant colony algorithm. At first, according to the traffic distribution of each node in the network, When the flowing ant arrivesat a node, the flowing ant generates the detection ant to detect the surrounding network. After the pheromone of the path, node energy consumption and link delay information is mastered, the flowingant chooses the next hop with certain strategy, and constructs the cruising path to the target heuristically. After arriving at the destination node or exceeding the maximum lifetime, the flowing antsubmits the recorded path information, which constitutes the path set of this iteration, calculates the total energy consumption of the topological subset, and then determines the amount of pheromone,so that the flowing ant returns to the original path to release pheromone. After several iterations, traffic gradually concentrates on part of the path to generate a low-energy topology subset to meet the data transmission needs, so that other links can be shut down to achieve the purpose of energy conservation.

The invention relates to a pulsed power supply for electrosparking in the machining field, in particular to a pulsed power supply with parallel high-energy capacitors for the electrosparking. The power supply comprises a rectification circuit (1), a power factor correction circuit (2), a voltage regulator circuit (3), a high-energy capacitor charge and discharge circuit (4), a voltage and current detection circuit (6), a machining control module circuit (7) and a PWM (Pulse-Width Modulation) control circuit (8). The pulsed power supply can provide approximately 150 V no-load breakdown voltages and 100-500 J discharge energy for an electrical discharge machining gap (5) in a single discharge process. The power supply adopts an accumulator structure, the parallel large-capacity capacitors are charged and discharged independently; the high energy stored in the capacitors is directly released to a discharge gap without passing through a current-limiting resistor, so that high instantaneous discharge energy and a strong discharge explosive force can be achieved; the power supply is applicable to difficult-to-machine materials such as ceramics and polycrystalline diamonds in the machining engineering; the current-limiting resistor with serious energy consumption is removed thoroughly; and the utilization rate of electrical energy can be increased by 2-3 times.

The invention discloses a preparation method of an antibacterial ceramic. According to the method, a glaze formulation and a glazing method are optimized and improved, so that the durable ceramic with a high antibacterial property can be obtained by a conventional universal ceramic production method under the conventional universal preparation conditions. The method has the outstanding characteristics that antibacterial ions are attached to a white carbon black carrier by a sol-gel method so as to obtain an antibacterial powder material, the antibacterial powder material is mixed with a common glaze material and the mixture is subjected to wet ball milling to prepare composite antibacterial glaze slip; then by adopting a double-layer glazing method, a common glaze material inner layer is uniformly poured and a composite antibacterial glaze slip outer layer is uniformly sprayed on the outer wall of a green body or a biscuit; finally, the obtained product is baked at a high temperature to form the required antibacterial ceramic. The method has the advantages that not only the product has the antibacterial broad-spectrum property and a high sterilizing rate, has no drug resistance and is environmental-friendly and healthy, but also the antibacterial metal ions are lost a little in the baking process, and have a high ion activity and a high usage rate; the antibacterial glaze material has good adsorbability and influences a ceramic green body a little; the ceramic is integrally high in quality and has strong damage resistance; moreover, a glaze surface is smooth and wear-resistant. Generally, the antibacterial ceramic prepared by the preparation method is controllable in cost, has high cost performance and is beneficial to scale quantitative production in the future market.

The invention discloses a method for preparing methanol by coal mine methane (CMM), which belongs to the basic chemical raw material and energy field. The desulfurized coal mine methane is subject to the auto-thermal reforming and external heating reforming under the existence of catalyst to generate H2, CO2, CO, and a small quantity of mixed gas of CH4 and N2, the mixed gas is separated through two-section pressure swing absorption to respectively generate product gas containing CO, CO2 and a small quantity of N2 and product gas containing more than 98 percent of H2, the product gas is mixed to generate synthesis gas used to prepare the methanol, and the methanol synthesis gas is pressurized and then is sent into a methanol synthetic system to synthesize the methanol. The method prepares the chemical raw material methanol by the coal mine methane which must be discharged during the coal mining process, provides a methanol preparation method with lower energy consumption and smaller pollution to the environment, also provides an approach of high value utilization of the coal mine methane at the same time, reduces the pollution of the discharge of the coal mine methane to the environment, and ensures that the energy and the resource can be effectively utilized.

The invention discloses a connection structure for wide-range adjacent connection of existing transfer stations and a construction method. Reinforcement longitudinal beams and columns are of a concrete cast-in-place structure and are combined and connected with an existing structure together through the bar embedding technology; then deformation joints are arranged between the reinforcement structure and a newly-built structure to complete communication of the new structure and the old structure; and finally the safety of the existing structure is guaranteed through the reinforcement structure and the measures such as segmented static force removing. By means of cover and cut-top down, wide-range adjacent connection of part of newly-built stations is achieved, the layering connection technology is utilized, lateral supporting is provided in time, existing station deformation can be strictly controlled, and the safety of the existing structure can be guaranteed. Meanwhile, according to the connection structure, bottom plate downward-concave longitudinal beams are additionally arranged, water seepage paths on bottom plate deformation joints are lengthened, and therefore the waterproof performance is greatly improved, control over existing structure deformation and internal force conversion is facilitated greatly, and the connection structure is especially suitable for wide-range adjacent connection projects and projects with complex surroundings.

The invention provides an active vibration suppression device applied to vibration suppression of a wind tunnel model. The active vibration suppression device comprises a three-directional acceleration sensor, an active vibration suppression module internally provided with a piezoelectric ceramic actuator and a control cabinet provided with control system software; the three-directional acceleration sensor is arranged in a test module and measures first two-order low-frequency vibration signals, generated due to wind-load excitation, of a test model system and outputs the signals to the control cabinet; the control cabinet conducts discrete sampling on the signals, then calculates and generates a control signal through a self-adaptive feedback control algorithm and outputs the control signal to drive the piezoelectric ceramic actuator in the active vibration suppression module, and by controlling the axial displacement of a pitching and yawing piezoelectric ceramic component, the testmodule generates pitching vibration and yawing vibration or coupled vibration of the pitching vibration and the yawing vibration separately. The active vibration suppression device can achieve decoupling control over first two-order modal vibration, the low-frequency vibration of the wind tunnel test model due to wind-load excitation is effectively reduced, and the device not only is effective forlow-frequency line spectra but also has a good control effect on broadband random excitation.

The invention relates to a preparation method of a high-density fermented and freeze-dried active microbial agent of a forage anti-diarrhea yeast, and belongs to the field of an agriculture biotechnology. The method comprises the following steps: inoculating an original starting strain (Saccharomyces boulardii, ATCC MYA-796) into yeast leaching peptone powder glucose liquid culture medium after activating; cultivating at 30 DEG C for 12-16 hours at 200-250rpm as a seed solution; inoculating the seed solution by 10% of inoculation amount, cultivating at 30 DEG C for 12 hours at 800rpm in liquid-expanded yeast leaching peptone powder glucose liquid culture medium, and then feeding 25% glucose for 6 hours, wherein the feeding amount is 20ml / h / L of fermentation liquor; centrifugally collecting thalli and adding protective agents (8% of glycerinum, 7.5% of skim milk powder, 7.5% of mycose and 0.9% of sodium chloride), wherein the mixing ratio of the protective agents to the thalli is 2:1; stewing and balancing for an hour after evenly mixing; pre-cooling at -80 DEG C for 12 hours, and then freeze-drying the thalli in a vacuum freezer dryer; weighing freeze-dried powder to count viable bacteria, wherein the viable bacteria count achieves 1.4*10<10> CFU / g.

The invention belongs to the field of cables, and particularly relates to an optical cable. The optical cable comprises an optical fiber cable, an inner sheath and an outer sheath, the inner sheath wraps the optical fiber, and the outer sheath wraps the inner sheath. The cross sections of the inner sheath and the outer sheath are triangular. The optical fibers are tangent to the inner side walls of the two side waists and the bottom of the inner sheath, and side face the inner sheath is arranged corresponding to the side face of the outer sheath side face. The optical cable provided by the invention has high structural stability, high longitudinal pressure resistance and high deformation resistance, and the influence and damage to the optical fiber after deformation are small.