52results about How to "Obvious advantage" patented technology

The invention discloses a preparation method for lithium-rich ferrous lithium phosphate powder with molecular formula as Li(1+2x)Fe(P1-xBx)O4 in electrochemical power source material. Wherein, mixing the lithium salt, ferrous iron salt, phosphorus salt and substitude of borone-containing compound as given mole ratio; baking, pre-calcining, and hihg-temperature secondary calcining to obtain the product. This invention is convenient to realize part substitude and lithium enrichment on parent body with solid phase method to improve cell capacity and cycle performance, and has wide application future.

The invention provides a method for preparing spherical silver powder. The method comprises the following steps of (1) weighing silver nitrate, and adding deionized water to prepare a silver nitrate solution with the silver ion concentration of 50-100g / L; (2) adding an organic dispersing agent into the silver nitrate solution, and uniformly mixing, wherein the weight of the organic dispersing agent is equal to 1%-5% of the weight of the silver nitrate; adding (NH4)2SO4 (ammonium sulfate) solution with the concentration of 150-250g / L, and adjusting the pH (potential of hydrogen) value to 4-6.5, so as to obtain a first water solution; (3) weighing ascorbic acid, and preparing into a reducing solution with the ascorbic acid concentration of 70-90g / L; (4) adding the reducing solution into the first water solution, and mixing, wherein the ratio of usage amounts of the first water solution and the reducing solution is 0.8:1; controlling the reaction temperature at 15-35 DEG C, using a high-efficiency stirrer to stir, and reacting for 15-20min, so as to obtain reaction sediments; (5) using the deionized water to wash the sediments, filtering and drying the sediments to obtain the dry silver powder, and then loading the dry silver powder into a high-speed rotary vibration powder sifting machine to disperse, so as to obtain the silver powder with high tap density.

The invention provides a high-strength high-permeability chemical sand prevention agent, and a preparation method and an application thereof. The high-strength high-permeability chemical sand prevention agent is composed of a proppant, a cementing agent, an accelerator, a curing agent and a coupling agent according to a certain ratio. The preparation method comprises the following steps: above raw materials are mixed at a specific temperature, and are stirred, and the obtained mixture is cured for a certain period of time to obtain the high curing strength sand prevention agent. The sand prevention agent has good tolerance to acid, water, salt and oil, has high stability in high temperature and high humidity environment, and is mainly used in chemical sand prevention well extract production, serious casing deformation well sand prevention, and sand prevention of wells without mechanical sand prevention and oil water wells with low reservoir temperature in order to increase liquid production of the oil well, prolong the period of validity of well sand prevention, increase the amount of oil and reduce the production cost.

The invention provides an ultrasonic phased array detection imaging system, comprising a phased array ultrasonic probe, a transceiver circuit, a signal processing module, a main control module and a human-computer interaction module. The phased array ultrasonic probe is connected to the signal processing module through the transceiver circuit, the signal processing module is connected to the maincontrol module, and the main control module is connected to the human-computer interaction module. The signal processing module converts detection control information of the main control module into an electric pulse control signal, controls a transmitting circuit of the transceiver circuit, and then controls the ultrasonic array probe to excite a corresponding sound beam to an object to be inspected. The ultrasonic beam is reflected by the internal defect of the object, after a detection echo signal is detected by a receiving circuit, the collected detection echo signal is processed to obtaindetection echo data, and the detection echo data is transmitted back to the main control module. The system can flexibly adjust the scanning coverage by detecting the configuration of detection parameters, the defect parts are detected, and the detection speed and accuracy are ensured.

An IQ imbalance correction method in a wireless communication device includes transmitting a plurality of pairs of RF training signals in installments by pairing RF training signals symmetric with respect to a center frequency on a frequency axis; setting a reception local frequency to change to a frequency that is suitable to receive, via an internal path, each of the plurality of pairs of RF training signals transmitted in installments, and suitable to convert the each of the plurality of pairs of RF training signals into IF training signals; and performing quadrature demodulation on the IF training signals, respectively, in a digital circuit area to generate BB training signals.

The invention discloses a tomato fruit ripening gene SINAC3 and application thereof. The tomato fruit ripening gene SINAC3 has a nucleotide sequence shown as SEQIDNO.1 or protein of an amino acid sequence coded as SEQIDNO.2, a typical NAC homology domain and coded NAC protein. As proved by the relevant technology of functional genomics, the tomato fruit ripening gene SINAC3 plays an important role in tomato fruit ripening. The tomato fruit ripening gene SINAC3 is structured onto a plant expression vector and transferred into a tomato for interference expression, the transgenic tomato can show the capacity of delaying fruit ripening, and the tomato fruit ripening gene SINAC3 can be directly used for controlling the ripening progress of fruits in production.

The invention discloses a vision-based pose stabilization control method of a moving trolley, which fully considers about a kinematics model and a dynamics model of a trolley and a camera model. The vision-based pose stabilization control method comprises the following steps of: respectively obtaining an initial image and an expected image at a starting pose position and an expected pose position through a camera, and obtaining an existing image in a movement process in real time; by utilizing an antipode geometric relation and a trilinear restrain relation among shot images, designing three independent ordered kinematics controllers based on Epipolar geometry and 1D trifocal tensor by utilizing a three-step conversion control policy; finally designing a dynamic conversion control rule by taking outputs of the kinematics controllers as the inputs of the kinematics controllers by utilizing an retrieval method so that the trolley quickly and stably reaches an expected pose along a shortest path. The invention solves problems in the traditional vision servo method that the dynamics characteristic of the trolley is not considered during pose stability control and slow servo speed is slow, and the vision-based pose stabilization control method is practical and can enable the trolley to quickly and stably reach the expected pose.

The invention relates to a method for pushing a remote declaration based on behaviors in a trusted network. The method comprises an identification protocol which comprises the following steps that: a network visitor and a network service provider mutually prove that the identity of the other side can be trusted, and a safe connection is set up; when the network visitor declares a next step or a next group of behaviors, the network visitor needs to sign a behavior declaration with a trusted platform module (TPM), and a sending time is necessarily added when the network visitor sends the behavior declaration to the network service provider; a trusted network server is responsible for authenticating the identity of the network visitor who applies for joining, and then a session key is generated; and the network service provider transmits a public key of the network service provider to the network visitor. The safety mechanism is more complete, so that the error judgment to normal behaviors of a user, which is caused by inaccurate and incomplete behavior measurement, is prevented; and the feasibility and the extensibility of the trusted network are effectively improved.

The invention provides a gateway realization method for converting Ethernet data and digital video streaming. The method comprises the following steps: format of network data and format of television video streaming data are mutually converted, namely, interconversion between IP packet and MPEG-2 TS streaming; an embedded processor adopts combination of double buffering configuration and single buffering configuration and configures a boot operation script so that the two configurations are converted from one to another; the double buffering configuration evens flow rate at an IP processing layer and processes each buffer area by a plurality of threads; the single buffering configuration adopts a mode of data buffering under a driving procedure state; an upper layer application program of an embedded system adopts a self-adaptive adjacency list method to automatically acquire the adjacency list in respective network segment and send the adjacency list to an opposite terminal to be converted; IP packet packaging thread and TS unlocking thread realize interconversion from IP format to TS format; and TS receiving thread and TS sending thread execute a complete reverse function in the embedded system. The two sides of wireless equipment can use IP address of the same net segment or the different network segments to work and realize long-distance bidirectional transmission or long-distance unidirectional transmission.

The invention discloses a radix notoginseng mitogen-activated protein kinase kinase gene PnMAPKK1.A nucleotide sequence of the gene PnMAPKK1 is as shown in SEQ ID NO:1, and the gene PnMAPKK1 codes mitogen-activated protein kinase kinase.According to functional genomics related technical researches, the gene PnMAPKK1 has a function of improving pathogenic fungus resistance of plants.After the antifungal gene PnMAPKK1 is constructed to a plant expression vector and transferred into tobaccos to realize overexpression, transgenic tobacco plants have extremely high in-vitro antifungal activity.The transgenic tobacco plants with PnMAPKK1 overexpressed have an evident inhibition effect on growth of fusarium solani, colletotrichum gloeosporioides, verticillium fusarium and botryosphaeria.

The invention discloses a processing method of opal bracelet and installation, which comprises the following steps: proceeding high temperature pressed form for glass crystal with craft die cast; drawing wire; refining; complexing yarn; refining; synthesizing; pressing; refining; cutting; processing; frosting; polishing; setting the device as special die and frosted polishing violating barrel. This invention possesses dense crystal structure, which effect is very magic.

Wrinkles are removed from fiber reinforced resin plies of an uncured composite layup by subjecting the wrinkles to vibration and pressure.

The invention relates to a Tibetan historical document text line segmentation method. The method comprises the steps that the image of the left part of a Tibetan historical document is extracted; Tibetan vowel sound nodes and certain prominent strokes are removed; the starting position information of the baselines of the Tibetan text lines and the number of text lines are acquired; according to the starting position of the baselines, the baselines are established from left to right; during the establishment of the baselines, the baselines needs to be dynamically adjusted according to the pixelvalues of the surrounding points; the estimated baselines are used, and a communication area analysis method is used to determine the position of an adhesion area from two baselines for segmentation;and finally text lines are separated. According to the invention, the Tibetan historical document text line segmentation method based on baseline estimation is more suitable for the segmentation ofthe text lines of the Tibetan historical document, and has more segmentation precision than a traditional technology based on projection segmentation; and compared with a method based on projection segmentation, the method has the advantage that the segmented text lines are more correct.

The present invention relates to a tomato genetic transformation method, belongs to the technical field of genetic engineering, and specifically discloses a whole tomato seed infection method. The method comprises the following steps: measuring a physiological imbibition curve of mature tomato seeds; culturing target gene-containing agrobacterium rhizogenes; transforming disinfected and sterilized tomato seeds into the agrobacterium rhizogenes liquid with an OD600 value of 0.8-1.3 through combining the physiological imbibition curve of the tomato seeds to carry out oscillation infection for 7-9 h; carrying out co-culture for 3 days under a dark condition and at a temperature of 25 DEG C; screening a resistant plant; carrying out rooting and cultivation on the resistant plant; and carrying out plant transforming, seedling exercising, transplantation and the like. According to the present invention, agrobacterium rhizogenes liquid infection is adopted at the tomato seed imbibition stage so as to substantially improve transformation efficiency; pressure culture medium screening is adopted to screen, such that an experimental period is shortened by 2-3 months, an experimental process is simplified, and identification workload after transformation is reduced; and important significances are provided for theoretical researches and genetic breeding practices of tomato genetic engineering.

The nucleotide sequence of the lilium regale chitinase gene LrCHI2 is shown as SEQ ID NO: 1, and the lilium regale chitinase gene LrCHI2 encodes a protein with an amino acid sequence shown as SEQ ID NO: 2. Functional genomics related technical researches prove that the LrCHI2 gene has the function of improving the resistance of plants to pathogenic fungi. The antifungal gene LrCHI2 disclosed by the invention is constructed on a plant expression vector and transferred into tobacco for overexpression, and the transgenic tobacco for overexpression of LrCHI2 has relatively strong capability of resisting infection of alternaria oryzae, aspergillus oryzae and fusarium oxysporum.

The invention discloses application of a Yangbi big-bubble walnut transcription factor gene JsWRKY1. The JsWRKY1 gene is proved to have a function of enhancing the fungal disease resistance of a plant through technical research related to functional genomics. The antifungal gene JsWRKY1 is established to a plant expression vector and transferred into a tobacco for overexpression, and a transgenic tobacco plant has very high in-vitro antifungal activity, and a transgenic tobacco subjected to JsWRKY1 overexpression achieves obvious inhibiting effect on the growth of botryosphaeria dothidea, moniliform gibberella, colletotrichum gloeosporioides and fusarium oxysporum.

An enterprise business planning system includes a server to an application server to execute an enterprise planning activity in accordance with a model that defines a set of enterprise users. The system further includes an extension manager to selectively deploy software extensions to the enterprise users in accordance with the model. The model may, for example, define roles for the enterprise users, and the extension manager selectively deploys the software extensions to the enterprise users based on the roles assigned to the enterprise users. As another example, enterprise model may comprises a multi-level hierarchy of related nodes, and associates the enterprise users with the nodes. The extension manager may selectively deploy the software extensions to the enterprise users based on the levels of respective nodes associated with the enterprise users.

The invention discloses a treatment technique of scattered organic waste gas. The technique includes the steps of inputting VOCs waste gas on each scattered site into adsorption equipment on each scattered site for adsorption treatment separately; when an adsorption module in the adsorption equipment on one scattered site reaches a saturation state, adopting a moving desorption vehicle to reach the scattered site where the adsorption module is taken out, and collecting the adsorption modules for centralized desorption treatment to avoid the situation that since desorption is incomplete due toinstallation errors or uneven quality of moving desorption vehicles of multiple enterprises, secondary pollution is caused and the efficiency of the adsorption modules is decreased. The method can achieve centralized collection and adsorption treatment of waste gas of pollution enterprises, reduce treatment costs of the enterprises and is safe and free of secondary pollution.

The invention discloses an environment protective energy saving generator comprising a generator, at least a start system, at least a balance weight system, at least a size multiple driving wheel group system, and at least a power transmission system. The invention is firstly excited and started by the generator, thereafter utilizes magnitude multiple relativity principle via a plurality of rotating speed wheels with different sizes of the size multiple driving wheel group system to generate different rotating speed changing to form torque force by which the original engegy of the start system can be released for several times, and then combines with the changing rotating speed so as to reach rated rotating speed and energy required by the generator. The balance weight system is arranged to rotate simultaneously to generate several times energy by which the generator power generating and electro load can be offseted, thus the generator can normally and continuously operates, further part of electricy power is transferred to the start system via power transmission system for use, herein the starting energy of the generator can be shut to make the generator spontaneously operate and generate power.

Systems and methods for controlling and / or preventing infestation of a woody plant by one or more species of pests are provided. In one particular but non-limiting form, a composite member is positioned at a locus near a woody plant that is susceptible to damage by one or more wood-destroying pest species such as termites. The composite member includes a pesticide and a bait material palatable to the one or more wood-destroying pest species. In one aspect, the composite member includes an extruded mixture of the pesticide and bait material. Further embodiments, forms, features, and aspects shall become apparent from the description and drawings.

The invention discloses an all-natural drug for treating a human immunodeficiency virus / acquired immune deficiency syndrome (HIV / AIDS) and a preparation method for the all-natural drug. The all-natural drug is a compound preparation prepared through extracting effective active components from marine organisms and various animal and vegetable medicinal materials. The formulation of the all-natural drug comprises the following components in weight percentage: 10 percent of American ginseng, 10 percent of Astragalus mongholicus, 10 percent of Angelica sinensis, 10 percent of Salvia miltiorrhiza, 10 percent of radix rehmanniae, 5 percent of rheum officinale, 7 percent of goldthread root, 7 percent of Clerodendrum cyrtophyllum, 8 percent of zaocys dhumnade, 8 percent of Gekko japonicus, 7 percent of Chinese Polyphaga, 1 percent of centipede, 1 percent of sea dragon, 1 percent of sea horse and the balance marine algae. On the basis of the new theory of ZhengXue medicine originated by the first applicant of the invention, the formulation of the all-natural drug disclosed by the invention is improved through trial and error. Through pharmacological study and clinical use, the curative effect of the all-natural drug is remarkable. The all-natural drug not only can be used for effectively restraining HIV replication but also can be used for reconstructing an immune system, correcting immunodeficiency and recovering an immunologic function, and host cells infected by the HIV are effectively targeted, so that the viral load is greatly lowered to reach a level that the HIV cannot be checked out, and moreover, the viral load does return after drug withdrawal. The body function can be recovered, and the syndrome can be eliminated. Toxic and side effects do not exist. AIDS patients can be totally recovered.

An aircraft capable of carrying passengers and cargo includes a fuselage (22), having a crown section (164) and a keel (106), a first passenger cabin (120), having a first floor (132), located in a forward portion the fuselage, and a first cargo deck (134), located below at least a portion of the first passenger cabin (120). A split level cabin (35) is located in an aft portion of the fuselage (22), the split level cabin (35) including an upper second cabin (124) having a second floor (156) above the level of the first floor (132), and a lower third cabin (126) beneath the upper second cabin (124) and having a third floor (158) below the level of the first floor (132). A second cargo deck (160) is located in the aft portion of the fuselage and beneath at least a portion of the lower third cabin. The crown section has a substantially constant cross-sectional shape fore-to-aft above the first passenger cabin and the split level cabin, and the keel below the second cargo deck is lowered compared to the keel below the first cargo deck. A modified aircraft having a split level aft cabin and lowered keel, and a method for modifying an aircraft in this way are disclosed.

The invention discloses an investment portfolio optimization method and device based on group decision intelligent search. The method comprises the following steps: establishing a yield prediction model based on group decision, regarding different prediction methods as decision experts, constructing a mapping relationship between a characteristic index set and the yield, introducing a group decision thought, and synthesizing results of three different decision models in a group aggregation mode to obtain a final investment portfolio asset target; on the basis, an intelligent optimization search method is introduced to set the weight of each object, including defining of a coding function; initializing weight random assignment; calculating individual fitness; judging whether the precision meets the requirement; and dynamically adjusting the investment portfolio according to the actual operation result and the evaluation index. According to the invention, dynamic autonomous constructionof investment portfolios is realized, a portfolio scheme can be adaptively adjusted according to an actual operation effect, and the purposes of effectively reducing non-systematic risks of portfoliosand obtaining stable excess earnings are achieved.

The present invention discloses a mobile terminal device support. The mobile terminal device support includes a body, a handheld component and a first connecting piece. The body is internally provided with a power supply module, a power management module, and a Bluetooth intelligent card module for connecting an external device in an induction manner, wherein the power supply module, the power management module and the Bluetooth intelligent card module are connected sequentially. The body is connected with the mobile terminal device by using the first connecting piece. The handheld component includes a second connecting piece and a handheld member. The handheld member is connected with the body through the second connecting piece. According to the mobile terminal device support, the Bluetooth intelligent card module is added, so that financial payment applications and door entrance identification, staff punch, campus card applications can be integrated; the body and the mobile terminal device are bonded, so that the card is difficult to loss, the mobile terminal device can be combined by using a Bluetooth interface so as to operate the intelligent card; and due to introduction of the handheld component, when the user holds the mobile terminal device, the mobile terminal device does not fall onto the ground to be damaged, and when the mobile terminal device support is idle, the angle of the support is adjusted and used as a device support.

The invention provides a light self-insulation prefabricated slab system. The system is characterized in that a constant-size light self-insulation prefabricated slab is covered between two adjacent purlins and is vertical to the purlins; the spacing between the two adjacent parallel purlins is matched with the length of the constant-size light self-insulation prefabricated slab; one end of the constant-size light self-insulation prefabricated slab is fixedly put on one purlin and the other end thereof is fixedly put on the adjacent purlin; gaps are reserved between the constant-size light self-insulation prefabricated slabs which are put on the same purlin, are arranged in the direction vertical to the purlins and are arranged oppositely; and the adjacent constant-size light self-insulation prefabricated slabs are butted with each other in parallel in the direction parallel to the purlins. The system is convenient to transport and maintain, is suitable for roofs or wall surfaces with complex load conditions, and has strong wind resistance and high reliability, thus improving the rigidity of the whole roof system.

The invention relates to a method for preparing 2, 5-dimethylfuran through catalytic hydrogenation of 5-hydroxymethylfurfural, i.e., 5-hydroxymethylfurfural is subjected to selective hydrogenation reaction under the action of a NiFe and reduced graphene oxide composite material catalyst to generate 2, 5-dimethylfuran. The NiFe / rGO catalyst does not need to be subjected to high-temperature pre-reduction treatment before being used, reaction is carried out for 3 h under the conditions of 200 DEG C and the hydrogen pressure of 2 MPa, the conversion rate of 5-hydroxymethylfurfural can reach 100%, and the yield and selectivity of 2, 5-dimethylfuran can reach 97%. The NiFe / rGO catalyst needing no reduction pretreatment has higher catalytic activity and selectivity than Ni / rGO, Fe / rGO, NiFe / Al2O3, NiFe / HY and NiFe / SiO2 catalysts, is cheaper than noble metal catalysts such as Pt and Pd, and has industrial application value.

The invention discloses a screw which comprises a plurality of aslant grooves on a plurality of tooth lines of a screw rod; an auxiliary cutter is formed at the connection between the two lateral walls of each concave groove and each tooth line, while a guide rib is connectedly arranged between the concave groove of each tooth line and the concave groove of the next corresponding tooth line; during the screwing process of the screw, the guide rib can help in hole expansion, scrap pushing and keying strength enhancement, and meanwhile can utilize the guide rib in the scrap pushing process to expel scraps upwards along the concave grooves on the tooth lines smoothly, thus achieving the beneficial effects of labor-saving operation, rapid scrap expulsion and firm locking.