34results about How to "Save economic resources" patented technology

The invention relates to the technical field of digital earth, in particular to a digital earth prototype system comprising a data receiving and fast processing sub-system, a metadata service sub-system, a model base sub-system, a space information database sub-system, a mesh calculation sub-system, a map application service sub-system and a virtual reality sub-system. With the adoption of the invention, it is able to construct a data resource sharing platform, a knowledge sharing platform, a computation resource sharing platform and a coordinated operation platform of the digital earth prototype system. Besides, with the establishment of the prototype system, the invention resolves relevant key technologies for the construction of a technology service platform for the application of space data and forms a service system for the application of space information in earth technology.

The invention relates to a vehicle intelligent device for automatically identifying road speed limit signs in the technical field of vehicle intellectualization. The vehicle intelligent device comprises three pinhole cameras, a single processor, a vehicle speed control mechanism and a speech prompter, wherein the first pinhole camera is arranged in a right central position of the upper edge of a vehicle front view glass frame, and is used for acquiring vehicle speed limit sign images which are arranged on the front upper side of a road; the second pinhole camera is arranged in the right central position of a front cover of a vehicle motor, and is used for acquiring the speed limit sign images on the road in the front of the vehicle; the third pinhole camera is arranged in a position of a right back view mirror cover near the right edge, and is used for acquiring the speed limit sign images on the right side of the road; and the signal processor processes the images which are acquired by the three pinhole cameras in real time, identifies the speed limit signs of a current road section to the running of the vehicle, and outputs control instructions according to a speed limit identification result so as to automatically control the speed of the vehicle. At the same time, drivers can know road speed limit information in real time, and cannot cause the vehicle to be overspeed because of temporary neglect.

The invention relates to a vehicle intelligent method for automatically identifying road speed limit signs in the technical field of vehicle intellectualization. The vehicle intelligent method comprises the following steps: (1) acquiring road speed limit sign images respectively; (2) establishing speed limit sign template databases; (3) acquiring speed limit sign images; (4) carrying out reinforcement processing on the images and removing noise; (5) determining a searching area of the speed limit signs of the images; (6) transferring a speed limit sign template of a database of a corresponding type so as to carry out matching and identifying calculations; (7) automatically accumulating the template matching rate; (8) judging whether the vehicle is overspeed or not; (9) under the action of a control instruction, automatically limiting the speed of the vehicle within the range of the limit speed, and warning drivers to know limit speed information; and (10) repeating the process from the step (3) to the step (9). The vehicle intelligent method can further improve the automatic and intelligent level in the aspect of guaranteeing the vehicle to run safely, and cannot cause the vehicle to overspeed because of the neglect of the drivers.

The invention discloses a system and a method for recognizing a railway temporary speed-limiting sign. The system comprises a video acquisition module, a video recognizing module, a control module, a display module and a voice prompting module. The video recognizing module comprises an image preprocessing submodule, a sign detection submodule, a character segmentation submodule and a character recognizing submodule. The system realizes the real-time speed-limiting sign recognition by recognizing and processing a multiframe image containing speed-limiting sign information in a video stream frame by frame and independent of single pictures, extracts a speed-limiting sign area by using an HIS space, improves the accuracy degree for recognition, further recognizes by carrying character segmentation on a yellow area and a green area, improves the speed of recognition, finally outputs a control instruction according to the recognition result, implements automatic control on the vehicle speed and simultaneously enables a driver to know the railway speed-limiting information in real time to reduce the probability of occurrence of accidents to be minimum.

The lifting surface consists of a torsion box capable of bearing aerodynamic and inertial loads, and the semi-parts (1, 1′) comprising it are connected together with joining means conventionally consisting of a rib in one piece in its plane of symmetry, the final assembly of said lifting surfaces requiring some inspection openings or holes for being able to gain access to the corresponding joints. The invention provides other joining means which avoid that rib and which consist of a plurality of bars (2) modularly arranged in the manner of a lattice, in such a is way that the required amount of said inspection holes is reduced, and a sequential assembly connecting the upper and lower ends of the bars (2) is facilitated.

The invention discloses an ONU (Optical Network Unit) network port configuration method, which comprises the steps of obtaining network ports to be configured in all network ports of an ONU terminal,wherein the ONU terminal realizes an SFU function of a single home user unit and an HGU function of a home gateway unit in a compatible manner; configuring the first network port specified by SFU configuration information in the network ports to be configured as an SFU port according to the SFU configuration information sent by an optical line local terminal; and configuring the second network port specified by HGU configuration information as an HGU port according to the HGU configuration information sent by the optical line local terminal. In addition, the invention further discloses an ONUterminal and a computer readable storage medium. The invention solves a technical problem that the existing SFU terminal and HGU terminal are mutually independent in port setting and the utilization efficiency of the terminals is low, so that users need not to re-purchase or replace the corresponding SFU terminal or HGU terminal equipment in the case involving scene conversion or network transformation.

The invention relates to a method for extracting antitumor effective sites of selfheal, which comprises: using ethanol to soak spica of the selfheal in an extractor, and performing heating, reflux and extraction; concentrating an extracting solution into a dried extract, using chloroform and water or ethyl acetate and the water to extract the dried extract, respectively collecting an organic phase and an aqueous phase, and concentrating the organic phase and the aqueous phase to be dried; using the chloroform, methanol and the water to dissolve the organic phase, separating out superstratum after standing, and concentrating an upper solution to be dried; and adding a mobile phase to dissolve upper residue, performing reversed-phase column chromatography and elution, collecting 30 to 80 percent methanol eluent, concentrating eluent of various phases to be dried, and obtaining the antitumor effective sites. The in vitro experiments of the effective sites of the selfheal determined by the proposal of the method can obviously inhibit proliferation of Rajicells, Jurkat cells, K562 cells and 435S cells; and the in vivo experiments have tumor inhibitory efficacy on a He T lymphoma EL-4 cell mouse, and can prolong the life cycle of the He T lymphoma EL-4 cell mouse; and the antitumor effective sites of the selfheal have definite antitumor function and low toxicity.

The invention belongs to the technical field of machining, and particularly relates to a micro-damaged tube fetching device and process for a heat transfer tube of a shell-tube heat exchanger. By means of the novel micro-damaged tube fetching device and process for the shell-tube heat exchanger, on the premise of minimizing the overall damage to the heat exchanger, a tube expansion transition zoneof the heat transfer tube is completely taken out. The heat transfer tube taken out by the process contains the complete tube expansion transition zone, and the original state of the transition zoneis maintained to the maximum extent, so that the performance evaluation and failure mechanism research of the heat transfer tube after long-term operation are facilitated. In addition, after taking out the tube expansion transition zone of the heat transfer tube with the process, the overall damage to the heat exchanger is small; when a tube hole after fetching the tube is blocked by a welding/mechanical plug, the heat exchanger can still continue to operate, so that all kinds of economic resources are greatly saved.

The invention discloses a double-unit pipe shell condenser which comprises a bottom plate. Two sets of symmetrically distributed bases are arranged at the upper end of the bottom plate. The upper endsof the bases and the lower portions of the two ends of the arc face of a condensation barrel are fixedly connected. Second connecting devices are arranged at the two ends of the condensation barrel,and flange plates on the outer sides in the second connecting devices are fixedly connected with the inner side of the surface of a pipe box. Pipe plates are symmetrically arranged on the two sides ofthe inner wall of the pipe box. The double-unit pipe shell condenser is simple in structure, fast and efficient in heat exchange and convenient to operate. A cooling water circulating system is adopted by double units, space is greatly saved, and the units can be started and stopped according to system load changes. When the system load is reduced to a certain degree, one unit can be automatically omitted, and the other unit operates under 60%-100% of the system load; and the economic resource and space resource of enterprises are saved, the condensation quality is guaranteed, and the use efficiency of the condenser is improved. In addition, the invention provides a use method of the double-unit pipe shell condenser.

The invention discloses a jig for an ICT automatic test of a display mainboard, and particularly relates to the technical field of test jigs.The jig comprises a base, a supporting seat is fixedly installed at the bottom of the base, a groove is formed in the top of the base, a fixing frame is fixedly installed at the top of the base, a fixing assembly is arranged on the inner side of the fixing frame, and an air cylinder is arranged on one side of the fixing frame; a lifting rod is fixedly installed at the bottom of the air cylinder, a fixing plate is fixedly installed at the bottom of the lifting rod, and a testing plate is detachably installed at the bottom of the fixing plate. According to the scheme, the fixing assembly achieves the effect of stably positioning the display screen main board, the display screen main board is placed in the groove formed in the top of the base, the two sides of the display screen main board can be stably clamped and positioned by starting two sets of electric push rods, meanwhile, a rotating handle is rotated, a limiting rod is made to rotate, and a limiting plate is driven to move downwards; and the vertical distance between the limiting plate and the display mainboard is adjusted, so that the transverse and vertical dual-fixation effect is realized.

The invention provides an anchor bolt fastening device, which comprises an auxiliary part, fixing assemblies and a support part, wherein the auxiliary part is arranged at the upper end surface of a base and horizontally arranged side by side with the base; the fixing assemblies are symmetrically arranged at the upper and lower sides of the auxiliary part; the support part is arranged between the auxiliary part and the base; and the lower end surface of the support part is in contact with the upper end surface of the base, the upper end surface of the support part is in contact with the lower end surface of the auxiliary part; and the anchor bolt is sequentially arranged and penetrates through the fixing assemblies, the auxiliary part and the base. The invention further provides an anchor bolt fastening device and a using method thereof. The fastening device designed by the invention is especially suitable for the fixed installation of the large anchor bolts, has the advantages of simple structure, easy operation and strong versatility, and can quickly and accurately fix the anchor bolts on an equipment base to meet the pre-tightening force of a pre-tightening bolt, and the invention saves labor, improves the working efficiency, and saves economic resources.

The invention discloses a suaeda salsa seawater plant lipstick and a production process thereof, and relates to the field of lipsticks. The effect of repairing the lip skin is improved; the lipstick is specifically prepared from 15 to 25 parts of natural pigment, 20 to 35 parts of natural grease, 15 to 30 parts of natural beewax, 5 to 8 parts of natural plant essential oil, 30 to 40 parts of tridecyl trimellitate, 20 to 30 parts of diisostearyl malate, 12 to 18 parts of octyldodecanol and 15 to 25 parts of triisostearate. The production process of the lipstick comprises the following steps: taking the raw materials in parts by weight for later use; the suaeda heteroptera extract and the natural grease are mixed and ground into a mixed solution A; according to the lipstick, the natural suaeda heteroptera extract is selected as the lipstick pigment, the use safety is guaranteed, the lipstick is free of skin irritation and suitable for audiences with various sensitive skins, and due to the fact that the suaeda heteroptera seed extract oil is added into the components, the lipstick can play a role in repairing lip cells during use on the basis of the health-care function.

The invention relates to a system and method for remote surgery. The system comprises a patient end assembly, a doctor end assembly and a cloud processing unit in communication connection with the patient end assembly and the doctor end assembly. The patient end assembly comprises a patient body scanner for scanning patient body data and transmitting the patient body data to the cloud processing unit; a doctor operation mechanical arm used for receiving the operation data transmitted by the cloud processing unit. The doctor end assembly comprises a patient body display device for displaying the injury data transmitted by the cloud processing unit; a doctor operation operator used for recording input operation data and transmitting the operation data to the cloud processing unit, wherein the cloud processing unit is used for processing and transmitting the body data and the operation data and storing the body data and the operation data uniquely corresponding to the body data. Comparedwith the prior art, the system has the advantages of improving the medical resource utilization rate and the like.