202 results about "Small branch" patented technology

The guide wire invention relates to improvements in magnetically navigable medical guide wires for enabling, in addition to magnetic navigation, conventional navigation without the use of a magnetic field. The distal portion of the guide wire may be navigated by either manually applying an axial rotation to the guide wire or by applying a magnetic field to modify the curvature of the distal portion to access small branch vessels in a subject body. The distal portion of the guide wire can also be straightened or aligned with the longitudinal axis of the guide wire by applying a magnetic field that straightens the bent section in the direction of the longitudinal axis, which enables the guide wire to push through a lesion.

The invention relates to a shaping cultivation method of a peach tree shape with three boughs and one center truck. The method concretely comprises the following processes: the height of a stem of the tree shape is determined to be 20-30cm; a leafbud at the top end of the determined stem part germinates young sprouts; the center truck is cultivated to vertically grow upwards; three strong branches or strong buds are selected from the young sprouts germinated on a base part and cultivated into three boughs; small and medium fruiting branch groups are evenly configured at two sides of the boughs; the intervals of the medium branch groups on the boughs are 60-80cm; the intervals of the small branch groups are 20-30cm; the angles between the boughs and the center truck are 60-70 degrees; the height of the center truck is controlled at about 2.2m. Compared with the traditional three-bough natural opening heart tree, the opening of each bough is improved by about 15%; the tree shape is easily formed; a branching group is directly connected to a skeleton branch; pruning is simple and convenient, fruiting is early, management is convenient, and fruit quality is excellent.

The invention discloses a multi-main-branch open center tree shape of a pear tree, and belongs to the field of pruning of fruit trees. The trunk height of the tree shape is 0.7 to 0.9 meter, the central trunk height is 1.7 to 1.9 meters, 7 to 9 main branches are uniformly grown on the central trunk, and medium and small branch groups are directly grown on the main branches; the angle between each main branch and the central trunk is 70 to 80 degrees; and the thickness of a leaf curtain is 1.8 to 2.3 meters, and the height of the tree is 2.2 to 2.7 meters. The intervals of the medium branch groups on the main branches are 50 to 70 centimeters, and the intervals of the small branch groups are 10 to 20 centimeters. The tree shape has the advantages of simplicity and convenience in pruning, quickness in formation, earliness in fruiting, convenience in management, good ventilation and light transmission conditions and the like.

The invention discloses a method for pruning a densely-planted large cherry tree to form a high photosynthetic efficiency tree form. The tree form has the characteristics of two branches and one heart shape, namely two boughs and a central trunk of a tree body. The tree is about 2.5-3m high, the trunk is 0.4-0.5m high, only the two boughs on the first layer are retained, the two boughs grow opposite to each other basically, the included angle is commonly between 80 degrees and 90 degrees, no lateral branches need to be retained, and bearing branches directly grow on the boughs. All kinds of branch groups are evenly retained on the portion, above the boughs on the first layer, of the central trunk, and the branch groups are mainly medium and small branch groups. The high photosynthetic efficiency tree form of the densely-planted cherry tree can be formed fast, illumination is good, and the densely-planted large cherry tree is early in blooming and fruit bearing, high in output, good in quality and convenient to manage manually or through mechanical operation.

The invention provides a two-stage protection configuration and fixed value setting method for a single-power-supply 10 KV line. The main trunk of the 10 KV line is provided with a section switch. The distribution network protection is divided into two stages. The first-stage protection is the protection for the outgoing line switch of a transformer substation. The second-stage protection is the protection for the section switch. The outgoing line switch and the section switch are respectively subjected to the protection and the setting calculation. According to the technical scheme of the invention, the protection and the setting calculation are configured according to the above method, so that the reliable resection of a fault is realized. Meanwhile, when a fault occurs at the rear-end circuit of the section switch, the tripping operation of the outgoing line switch of the circuit is avoided. Therefore, the front-end circuit of the section switch is not influenced at all. If a special small branch line fails, only the small branch line is cut off. In this way, the normal power supply for the other parts of the circuit is not influenced at all. The two-stage setting method is clear in level, and convenient and simple in setting. The power supply reliability of the 10 kV line can be greatly improved.

The invention discloses an optical fiber reflector and a method of utilizing the optical fiber reflector to achieve PON (passive optical network) monitoring. The optical fiber reflector comprises an optical input interface (1), an optical branch device (2), a built-in extending optical fiber (3), a reflection port (4), an optical output interface (5) and a packaging implement (6), wherein the optical input interface and one end of the built-in extending optical fiber are connected with an input end of the optical branch device; the optical output interface is connected with a large-branch-ratio branch port of the optical branch device; the reflection port is connected with a small-branch-ratio branch port of the optical branch device; and the optical branch device, the built-in extending optical fiber and the reflection port are packaged in the packaging implement. According to a PON monitoring system achieved by utilizing the optical fiber reflector, a structure of a testing network can be simplified; the monitoring cost of the system can be lowered; and the low-cost PON network monitoring can be achieved.

The method comprises: giving a query set Q comprising a complex twig pattern, and a XML file D; finding Q` Q to meet q belong to Q`,which all match the file D. By defining a dense twig pattern query tree, the complex AND/OR predication can be processed as a single abstract syntax tree. All twig pattern queries are combined into a single query tree capable of sharing the common prefix; using the algorithm based on runtime stack and combining the process from top to down and from top to up to process any complex twig query based on XML stream with high efficiency.

The invention discloses a method for replacing log with second smallest fuelwood to produce module wood. After the steps of crushing, degradation, drying, dipping, drying, compression molding, curing, etc., the second smallest fuelwood is glued into the module wood or profile. The module wood made in the method has the advantages of keeping original fibrous tissue, texture and performance, having ultrahigh hardness, compressive strength, shock resistance, and anti-distortion capacity, eliminating the need for corrosion, insect and water prevention directly and being directly made into floors, furniture, building equipments, etc. In the method, the second smallest fuelwood such as small branches, small woods, etc., are utilized and processed to make the module wood so as to save resources and changes waste into valuables, thus being an ideal substitute of the log.

The invention relates to a greenwood grafting method for jujube tree. The method for grafting jujube branches specifically comprises the steps of: from mid-to-late May to mid-to-late July, selecting a current-year semi-lignified developing branch, shearing the branch off, removing all the leaves immediately, and immersing the basic part into water; selecting a grafting part at a smooth part of the branch with stem diameter of above 0.5cm, which is positioned 6 to 7 centimeters above the basic part of the stock, and keeping 3 to 5 leaves or 1 to 2 small branches below the grafting connector; cutting the stock off, smoothing the section, and splitting a cut which is 3 to 5 centimeters deep in the middle of the section with a sharp knife; cutting the scion of a first main bud into a wedge with one side being thicker and two sides being the same long, inserting the scion into the cut so that the main bud is exposed, and tightly wrapping the stock, the scion and the top end of the stock from bottom to top by using a plastic strip with a width of 2-3cm; and removing branches and shoots below the grafting connector in time when the new shoot grows to be approximately 20 centimeters after the grafted branch survives. The grafting method of jujube branches is simple and convenient to operate, enables the branches to be easy and fast to survive, greatly improves the survival rate of jujubes and saves scions.

A soft-water cooling pipeline control method for a blast furnace belongs to the field of metallurgy. Flow division is conducted at a water outlet pipe on a cooling wall in the tuyere area of a blast furnace; the flow is gathered in a middle water return ring pipe through a small branch pipe and returned to a water return main pipe at the top of the blast furnace through a main pipe; when the temperature of the copper cooling walls at the furnace waist and the furnace bosh is reduced to be lower than 45 DEG C, a middle water return flow control valve is opened, and a cooling wall water outlet main valve is closed, so that the water flow rate of more than five cooling walls of the furnace body is 1.0-2.6 m/s, and the water flow rate of the fifth cooling wall or below of the furnace body is 2.3-2.6 m/s; when the temperature of carbon bricks on the side wall of the hearth is higher than 400 DEG C, the middle water return flow control valve is opened, meanwhile, the cooling wall water outlet main valve is opened, the total water amount of the system is increased, the water speed of 1-5 cooling walls of the furnace cylinder reaches 2.8 m/s, the water speed of the cooling wall of the furnace body reaches 2.5 m/s, and the pressure of the water inlet main pipe of the system is supplemented by adjusting the nitrogen pressure of an expansion tank to be 0.8 MPa. According to the invention, under the condition of not influencing the cooling strength of the furnace cylinder, the cooling strength above the furnace waist is reduced and bonding of a furnace lining is avoided.

The invention belongs to the field of pomology and fruit tree ecology and discloses a pear tree form shaped like a Chinese character 'Mi' and a shaping method thereof. The tree form is composed of one main trunk, eight backbone branches, and 200-240 branch groups. The eight backbone branches use the main trunk as a central point and respectively extend toward 8 directions so as to form a tree body framework shaped like a Chinese character 'Mi'. The base angle of the backbone branches is 30-45 degrees. The waist angle is 75-90 degrees. The tip angle is 40-50 degrees. Each backbone branch is provided with 25-30 branch groups which comprise a large-scale branch group, 3-4 medium-sized branch groups and 20-25 small branch groups. The tree form integrates the advantages of a pear canopy frame type tree form and an open-heart-shaped tree form, and has the advantages of being shortened in tree crown, balanced and stable in tree vigor, strong in wind resistant capacity of fruits, even in size of fruits, good in quality of fruits, high in commodity rate, simple, convenient and labor-saving to trim, and the like. The pear tree form is suitable for being cultivated in southeast coastal areas where typhoons occur often.

The invention discloses a three-dimensional blood vessel segmentation method based on a symmetric matching filter group and regional growth. Firstly, a basic matching filter template of a tubular structure with the satisfaction of a shape characteristic and a gray distribution characteristic of a three-dimensional blood vessel is designed, and two orthogonal planes are used to equally divide a basic matching filter into four quadrants. Then a matching filter group whose direction and scale can be changed is designed, the spatial convolution with a medical image to be enhanced is carried out, the obtainment of a maximum convolution response value is determined as a fusion rule, the blood vessel enhancement of a multi-scale and multi-direction matching filter group is realized, an enhanced image is obtained, and finally the regional growth is used to extract a three-dimensional blood vessel for the enhanced image. According to the method disclosed by the invention, a blood vessel visual effect can be effectively enhanced, the method has a good enhancement effect for a small branch peripheral blood vessel and a blood supply artery close to a lesion tumor especially, at the same time the to suppression of the limbic cortex and other impurities is obvious, thus the contrast of a vessel and a background significantly enhanced, and a solid base is laid for the extraction of a final vessel.

The invention discloses a method for cultivating giant knotweed rhizome, which comprises the following steps: firstly, choosing and grading land, choosing the loose and rich soil with thick soil layer, grading and harrowing carefully; secondly, breeding with stalk and branch, shearing the stalk and branch in the divaricating place, put the stalk and branch laterally in the supersulcus, burying and consolidating; thirdly, replanting for planting, when the branch rooting and budding, shearing the branch into small branch in the budding joint, planting each small branch; fourthly, field care, clean tillage, additional manuring and watering; fifthly, recovering and storing, doing recovering two years later, storing after handling the root and stalk. The process of the invention is simple, employing the stalk and branch as the breeding material, embedding the stalk and branch directly, and the survival rate is above 98%.

The invention relates to a software robot and an adhesive climbing method, in particular to a flexible bristle structure-based software robot and an adhesive climbing method. The flexible bristle structure-based software robot comprises a box body, a software robot body, a plurality of extended small branch structures, flexible bristle structures and a storage coiling block of the software robot body, wherein the software robot body which is ventilated to expand forwards is arranged on the box body; the extended small branch structures are arranged on the outer side of the software robot body;the flexible bristle structures which are capable of generating Van der Waals molecular force to adsorb the obstacles are arranged on the plurality of small branch structures; and the inner side of the software robot body is spirally stored in the storage coiling block of the software robot body. The flexible bristle structure-based software robot can be adhered on the obstacles without falling when climbing the walls or crossing the obstacles, and can cancel the adhesive power when returning back so as to complete the recovery of the software robot body.

The invention relates to a busbar and insulation support protection system of a distribution box, which comprises a switchover busbar module group and a single-row branch busbar module group. The switchover busbar module group comprises a switchover busbar shield base, a switchover busbar shield bottom cover, switchover busbars and outgoing line busbars; the switchover busbar shield base and the switchover busbar shield bottom cover are linked with each other through a clipping hook and clipping groove structure to form a switchover busbar shield; the inner surface of the switchover busbar shield bottom cover is provided with three or four busbar grooves; the switchover busbars are arranged in each busbar groove in sequence; and the two ends of each switchover busbar are both provided with a screw hole used for connecting the switchover busbar with other components. The branch busbar module group comprises a large branch busbar bracket, a shield module, a small branch busbar bracket, a Pc protection plate and branch busbars; the right ends of three or four branch busbars are clamped in a horizontal groove of the small branch busbar bracket; and the left ends of the three or four branch busbars are clipped in a horizontal groove of the large branch busbar bracket. The system has the advantages of compact structure, reasonable layout, good insulation performance and high security.

The invention discloses a rejuvenating method for an old chionanthus pile. The rejuvenating method for the old chionanthus pile comprises (1) chiseling a small triangular groove at a base portion of the old chionanthus pile until the xylem can be seen; (2) removing all small branches on a chionanthus plantlet, only reserving a trunk, cutting the top of the plantlet trunk to be wedge-shaped with the width which is determined according to the depth of the triangular groove which is formed in the old chionanthus pile; (3) inserting the cut wedge-shaped top of the chionanthus plantlet into the bark which is arranged on the upper portion of the triangular groove to be tightly attached to the old pile and guaranteeing the cambium is aligned; (4) coating consolidant at combining positions to promote regrowth and corrosion prevention and coating a layer of soil externally; (5) burying a root of the chionanthus plantlet and sufficiently watering the chionanthus plantlet. The rejuvenating method for the old chionanthus pile has the advantages of being high in rate of survival and wide in applicability and having no influences to stump appearance.

The invention discloses a large pinus tabuliformis landscape shaping method, and belongs to the technical field of gardens. The method comprises the following steps of (1) observing a tree form, and determining a tree shape; (2) determining an ornamental surface; (3) pruning branches; (4) treating small branches, forming upright small branches by utilizing apical dominance of plants, and completing shaping of large pinus tabuliformis landscape. By means of the method, landscape forming is quick, and can be achieved within one year on average, the shape is natural and beautiful and is close toa natural shape, and the value and additional value of the shaped tree are high. The application range is wide, and any nursery pinus tabuliformis can be used for shaping. The economic and social benefits are good, the backlog problem of existing nursery pinus tabuliformis seedlings is solved, and the market demands are met.

The invention discloses a breeding method for clonal DH33-27 variety of Eucalyptus urophylla*E.grandis. The method comprises the following steps: firstly, taking Eucalyptus urophylla U16 serving as a female parent and Eucalyptus grandis G33 serving as a male parent as parents; performing emasculation and bagging, pollen collection, hand pollination, cap bag removal, seed collecting and sowing and breeding to realize consistent character expression and stable inheritance. The clonal DH33-27 variety of Eucalyptus urophylla*E.grandis which is not subjected to segregation of character has the variety characteristics that the leaves are lanceolate, terminal buds are green, veins are obvious, seedling stems are slightly red, tree trunks in the early stage is brownish red, the upper parts of the tree trunks are cyan, and the tree trunks are completely peeled in the later period; the clonal DH33-27 variety of Eucalyptus urophylla*E.grandis has the characteristics of high general performance, straight stem shapes, order forest form, small branches, high annual average amount of growing stock and obvious economic benefit, is free of plant diseases and insect pests and suitable for large-scale cultivation promotion.

The invention provides a sectional soft water closed circulation cooling system of blast furnace body, which belongs to the technical field of cooling of iron-making furnaces. The system comprises an upper cooling area and a lower cooling area; the lower cooling area comprises a lower soft water supply main, a lower cooling equipment circular water supply pipe, a furnace bottom water cooling pipe circular water supply pipe, a lower cooling equipment small water inlet branch pipe, lower cooling equipment, a lower cooling equipment small backwater branch pipe, lower cooling equipment circular backwater pipe, a furnace bottom water cooling pipe, a furnace bottom water cooling pipe circular backwater pipe and a lower soft water return main; the upper cooling area comprises an upper soft water supply main, a main control valve, an upper cooling equipment circular water supply pipe, an upper cooling equipment small water supply branch pipe, a small branch pipe control valve, upper cooling equipment, an upper cooling equipment small backwater branch pipe, an upper cooling equipment circular backwater pipe and an upper soft water return main. The sectional soft water closed circulation cooling system has the following advantages: the cooling systems of the upper area and the lower area are completely independent, thereby preventing mutual hampering between the upper area and the lower area; so it is guaranteed that the water volume in the cooling equipment is uniformly distributed, cooling effects are improved, and the service life of the cooling equipment is prolonged.

The invention relates to the technical field of agricultural automatic irrigation, in particular to an agricultural field intelligent induction irrigation system which comprises a conveying pipe connected with an irrigation water source. A control valve and a dividing valve are arranged on the conveying pipe, and the irrigation system further comprises a quantitative control device, an information processor and an induction system. The conveying pipe comprises a main pipeline and a branch pipeline, and a control chamber is arranged between the main pipeline and the branch pipeline. A uniform mixing pipe is arranged in the control chamber, and an inlet of the uniform mixing pipe comprises a water inlet and a fertilizer adding opening connected with the main pipeline; an outlet of the uniform mixing pipe is connected with the branch pipeline. A plurality of small branch pipes are arranged on the branch pipeline, buffer monitoring tanks are arranged on the small branch pipes, and outlets of the buffer monitoring tanks are connected with a drop irrigation pipeline and a spraying pipeline. According to the scheme, existing farmland can be automatically irrigated, a real-time detecting and control system is arranged, drop irrigation and spray irrigation are carried out on crops, and the water saving effect and the irrigation effect are very excellent.