345 results about "Nodulations" patented technology

The invention relates to a strengthening coating of the surface of an annealing furnace roller and a preparation method thereof. The preparation of the strengthening coating on the surface of a roller base is performed by a selected hot-spray method. The strengthening coating comprises a bonded coating, a working coating and a transition coating between the bonded coating and the working coating. The proportion of alloy and ceramic in every coating is changed according to gradient, which means that the proportion of alloy is decreased gradually from inner to outer in every coating; while the proportion of ceramic is increased gradually and at last a gradient coating is formed. The invention not only ensures the working coating to have good antioxidation, abrasion resisting and anti- nodulation performances, but also improves the binding performance of strengthening coating and the roller base and improves the cohesion binding performance of the coating inner. Under the function of the strengthening coating of the annealing furnace roller surface made by the method of the invention, the service life of the furnace roller can be prolonged and the using cost and repairing cost can be decreased.

The invention relates to a manufacturing method for non-oriented electric steel. The method comprises the following steps of: smelting according to a clean steel process and continuously casting into billets; heating the continuous casting billets; performing hot rolling; reeling; naturally cooling to room temperature; normalizing; performing acid washing conventionally; performing cold rolling for the first time; performing intermediate annealing in the total hydrogen atmosphere or the mixed atmosphere of hydrogen and nitrogen; performing cold rolling for the second time; performing final annealing; and cooling conventionally, coating and finishing for later use. The finished product silicon steel with coarse grains and good texture can be obtained by adopting lower process heat treatment temperature; brittleness of the steel is reduced and cold rolling performance of a steel plate is improved by adopting lower normalizing temperature and intermediate annealing temperature; the problems of surface oxidation of the steel plate, nodulation of a furnace bottom roller and the like can be effectively solved by adopting lower finished product annealing temperature; and the high-grade non-oriented silicon steel with lower iron loss can be produced stably.

The invention relates to a treatment method of hot-rolled steel plates, in particular a method for preventing an internal oxidation layer from generating in the non-oriented normalization treatment of electrical hot-rolled strip steel. The normalization treatment comprises a preheating section, a non-oxidation heating section, an even heating section and a cooling section, wherein the non-oxidation heating section adopts direct fire heating and has an air-fuel ratio coefficient of 0.85-0.95. An even heating furnace adopts electric heating or radiation tub heating in the atmosphere of N2 under the condition that in-furnace dew point is 65-10 DEG C below zero and oxygen content is not more than 0.1 percent. The invention reduces and eliminates the internal oxidation layer generated during the normalization of a hot-rolled strip steel during controlling the normalization process, radically eliminates furnace roller nodulation generated in final anneal, avoids subsequent furnace roller nodulation cleaning work, improves the efficiency and decreases the cost.

The present invention is a multi-stage detection algorithm using a successive nodule candidate refinement approach. The detection algorithm involves four major steps. First, the lung region is segmented from a whole lung CT scan. This is followed by a hypothesis generation stage in which nodule candidate locations are identified from the lung region. In the third stage, nodule candidate sub-images pass through a streaking artifact removal process. The nodule candidates are then successively refined using a sequence of filters of increasing complexity. A first filter uses attachment area information to remove vessels and large vessel bifurcation points from the nodule candidate list. A second filter removes small bifurcation points. The invention also improves the consistency of nodule segmentations. This invention uses rigid-body registration, histogram-matching, and a rule-based adjustment system to remove missegmented voxels between two segmentations of the same nodule at different times.

Methods and compositions are provide to allow discrimination of dysplastic nodules from early HCC nodules. More specifically, it has been determined that TERT, GPC3, gankyrin, survivin, TOP2A, LYVE1, Ecadherin, IGFBP3, PDGFRA, TGFA, cyclin D1 and HGF are differentially expressed in HCC as compared to normal liver cells and liver cells that have dysplastic, non-cancerous nodules.

A system and method for detecting a growing nodule in multi-slice data detects a nodule candidate in a later scan, and matches a location of the nodule candidate in the later scan to a location in an earlier scan, wherein the earlier and later scans are of the same patient. The system and method segments the nodule candidate in the earlier and later scans, compares volumes from each segmentation, and determines a nodule, wherein the nodule is determined to be larger or newly appeared in the later scan as compared to the earlier scan.

The invention relates to the technical field of medical image processing, and aims to provide a dynamic ultrasonic breast nodule real-time segmentation and recognition method based on deep learning. The method comprises the following steps: collecting ultrasonic mammary gland images and videos with nodules and case data with operative pathology results, constructing a data set, constructing a static image nodule segmentation network, and training the static image nodule segmentation model on an original image; predicting an intermediate frame nodule probability by using an LSTM layer, constructing a video dynamic segmentation network, and training a dynamic segmentation model; constructing a benign and malignant identification network structure by using a basic network, and training a benign and malignant identification model; and outputting nodule position information in real time, using the benign and malignant recognition model for recognizing benign and malignant nodules of each frame, and outputting the number of output nodules and the comprehensive benign and malignant probability after examination is finished. Information incompleteness of a single image can be avoided, error detection is reduced, missing small nodules are reduced, and the nodule benign and malignant identification accuracy is improved.

The invention relates to a production method of round steel, in particular to an efficient production process of high aluminum-alloy-content structure round steel. Al accounts for 0.70-1.20% in the round steel by weight. The preparation method comprises the converter smelting process, the LF external refining process, the VD furnace vacuum refining process, the square bloom continuous casting process and the rolling process. The high aluminum-alloy-content structure round steel produced through the method is low in cost, high in purity and good in castability, the adsorption rate of aluminum can be higher than 95%, calcium treatment is not needed, sequence casting of 12-15 times can be achieved, the production efficiency is greatly improved, the surface quality of the round steel is high, and the technical problems of high aluminum-alloy-content structure round steel produced in the prior art that the continuous castability is poor, nodulation occurs easily, the adsorption rate of aluminum is low, the yield is unstable, the purity is low, the surface quality of the round steel is low and the quality is unstable are solved.

A method for recycling blast furnace ironmaking dust. The bag dust, gravity ash and other iron-containing dust recovered in the blast furnace smelting process are evenly mixed with coal powder, and sprayed into the hearth from the tuyere of the blast furnace. It is required that there is no accumulation in the hearth before injection. , no nodules in the furnace throat, and its process parameters: spray bag dust, the injection amount is 6-10Kg / t iron, hot air temperature> 1000 ℃, blast furnace zinc load <0.15Kg / t iron; spray gravity ash, injection amount is 6Kg / t iron ~ 15Kg / t iron, hot air temperature > 1050°C; spray other iron-containing dust, injection amount < 8Kg / t iron, dust particle size < 0.5mm, hot air temperature > 1050°C; the present invention has the functions of increasing iron, Saving coke, benefiting silicon reduction in molten iron, promoting smooth operation of blast furnace and strengthening smelting, benefiting safe coal injection, reducing nodulation in blast furnace, protecting the environment, and clean production, etc.

The invention discloses a pulmonary nodule morphological classification method based on a neural network. The pulmonary nodule morphological classification method comprises the following steps of 1, data preparation; wherein in the stage, data is imported from a hospital data system, and pulmonary nodules to be classified are calibrated; 2, data preprocessing: preprocessing the data at the stage,mainly including preprocessing of an original CT image and interception of a nodule region; 3, constructing a multi-scale three-dimensional residual network model, and training the model by using theacquired data and a calibration result; 4, repeating the step 3, and constructing and training various morphological classification models; and 5, classifying the pulmonary nodules automatically detected by the detection task by using the models trained in the steps 3 and 4, and outputting pulmonary nodule morphological characteristic information predicted by the model. According to the method, three scales of nodules are intercepted to serve as input of a network of corresponding scale residuals, depth features of the nodules of the three scales are extracted, and finally a final classification result is obtained through fusion and integration of three models.

The invention relates to a manufacturing method of an ITO (Indium Tin Oxide) sputtering target manufactured with indium oxide-tin oxide mixed powder as a raw material and used for an advanced generation liquid crystal panel, in particular to a manufacturing method of an ITO sputtering target comprising In4Sn3O12 phases. The manufacturing method by comprising the following steps: (1) mixing indium oxide powder with tin oxide powder that are subjected to thermal treatment; (2) adding deionized water and a dispersing agent to prepare slurry for ball milling and mixing; (3) adding a binding agent and a humectant for wet ball milling; (4) adding a defoaming agent to be stirred for vacuum defoamation, and adjusting after standing; (5) molding the slurry by casting; (6) degreasing a molded body after drying; and (7) sintering the degreased molded body to form the ITO sputtering target. The In4Sn3O12 phases in the target are distributed at junctions of In2O3 tricrystal grains; the density and surface roughness of the ITO target are increased to some extent due to the phases; and sputtering nodulation of the ITO target can be effectively reduced.

The present invention is a multi-stage detection algorithm using a successive nodule candidate refinement approach. The detection algorithm involves four major steps. First, the lung region is segmented from a whole lung CT scan. This is followed by a hypothesis generation stage in which nodule candidate locations are identified from the lung region. In the third stage, nodule candidate sub-images pass through a streaking artifact removal process. The nodule candidates are then successively refined using a sequence of filters of increasing complexity. A first filter uses attachment area information to remove vessels and large vessel bifurcation points from the nodule candidate list. A second filter removes small bifurcation points. The invention also improves the consistency of nodule segmentations. This invention uses rigid-body registration, histogram-matching, and a rule-based adjustment system to remove missegmented voxels between two segmentations of the same nodule at different times.

The invention relates to isolated DMI11 genes from Medicago truncatula which play a major role both in the early steps of Nod factor signaling that trigger several key developmental responses in the host plant and in the establishment of mycorrhizal symbiosis. The invention also relates to transgenic plants and plant cells expressing the DMI1 protein for increased root nodulation, and methods for transforming plants with a M. truncatula DMI1 gene.

The invention relates to a preparation method of high-chromium high-vanadium type vanadium-titanium ore pellets. The invention relates to a preparation method of vanadium-titanium ore pellets. With existing high-chromium high-vanadium type vanadium-titanium ore pellet preparation technologies, pellet superfusion is possible to occur, and pellet caking or nodulation are possible to occur, such that the quality of finished pellet product is influenced. The invention aims at solving the problem. The preparation method of the high-chromium-high vanadium type vanadium-titanium ore pellets comprises the steps of material blending, mixed drying, palletizing, green pellet screening, and shaft furnace roasting. Vanadium content of vanadium-titanium powder in the vanadium-titanium pellets is higherthan 4.5%, such that a requirement by blast furnace vanadium-titanium smelting is satisfied. The high-chromium-high vanadium type vanadium-titanium ore pellet preparation method provided by the invention is used for preparing vanadium-titanium ore pellets.

The invention provides a novel anti-nodulation heat resistant alloy, a stainless-steel normalizing furnace bottom roller and a manufacturing technique thereof, which is characterized in that the anti-nodulation heat resistant alloy comprises the following components by weight percentage: C, 0.10-0.50; Cr, 20.0-28.0; Ni, 20.0-38.0; Nb, 1.0-4.0; Ce, 0.010-0.030; Al, less than or equal to 5.0; Mn, less than or equal to 2.0; Si, less than or equal to 1.8; P, less than or equal to 0.025; S, less than or equal to 0.025; the rest, Fe. The manufacturing technique of the stainless-steel normalizing furnace bottom roller consists of casting process and heat treatment process. The alloy has the advantages of high anti-corrosion capability of fuel gas and higher performance of surface nodulation resistance. The alloy has super-strong capability of surface nodulation resistance and super-long service life, when used in the stainless-steel normalizing furnace bottom roller.

There is provided a method for automatically segmenting lung nodules in a three-dimensional (3D) Computed Tomography (CT) volume dataset. An input is received corresponding to a user-selected point near a boundary of a nodule. A model is constructed of the nodule from the user-selected point, the model being a deformable circle having a set of parameters β that represent a shape of the nodule. Continuous parts of the boundary and discontinuities of the boundary are estimated until the set of parameters β converges, using dynamic programming and Expectation Maximization (EM). The nodule is segmented, based on estimates of the continuous parts of the boundary and the discontinuities of the boundary.

The invention discloses low-carbon sulfur-containing round steel for air-conditioning pipes and a production technology of the round steel. The round steel is prepared from components including, by weight, 0.12%-0.20% of C, 0.05%-0.20% of Si, 0.60%-1.10% of Mn, 0.30%-0.50% of Cr, 0.10%-0.40% of Cu, less than or equal to 0.040% of P, 0.08%-0.20% of S, less than or equal to 0.010% of [Al] and the balance Fe and inevitable impurities. A preparation method includes the steps of smelting in a converter, LF refining, continuous casting of blooms and rolling. Through reasonable component design and technical parameter control, the produced low-carbon sulfur-containing round steel for the air-conditioning pipes is good in mechanical property and machinability, stable in sulfur absorptivity, good in pourability, calcium treatment is avoided, 8-15 furnaces can be cast continuously, and the technical problems that low-carbon sulfur-containing round steel are prone to nodulation and steel leakageduring casting, unstable in yield of sulfur and the like are solved.

The invention relates to a method for alleviation of the nodulation degree of a furnace roller and aftertreatment of nodules of the furnace roller. The method is applicable to production of cold-rolled silicon steel and comprises the following steps: 1) strictly controlling the scale of a steel plate used as a hot rolling raw material; 2) controlling the heating temperature of a normalizing furnace; 3) controlling an oxidizing atmosphere; 4) controlling the temperature of a tapped steel plate; 5) controlling the sequence of production operations; 6) grinding the roller regularly; and 7) measuring the diameter of the furnace roller regularly and adjusting the number of revolution of the furnace roller which is changed in diameter after wearing. The method provided by the invention is optimized in process flow and process parameters, and different treatment measures are adopted according to the nodulation situation of the furnace roller, so the nodulation degree of the furnace roller canbe effectively alleviated, the rhythm of production is accelerated, the yield of cold rolled silicon steel is improved, and production cost is lowered.

The invention discloses sinorhizobium SCAUs65 and application thereof. The strain is separated and purified from a fresh soybean nodulation; the strain is collected in the China center for type culture collection on March 14, 2014, the collection number of the strain is CCTCC NO: M2014084, and the strain is classified and named as sinorhizobium fredii. The strain is applied to the production of szechuan soybeans. The sinorhizobium SCAUs65 disclosed by the invention is an excellent broad-spectrum soybean rhizobium strain which has the advantages of high symbiotic nitrogen-fixing capacity, wide applicable range on szechuan soybean variety, inorganic phosphorus dissolving capacity, organic phosphorus dissolving capacity and potassium dissolving capacity and high stress resistance and has good matching affinity with szechuan main planted soybean variety. A soybean is increased in yield more than 38.9% by being inoculated with the sinorhizobium SCAUs65 without applying a nitrogen fertilizer in different ecological regions and achieves the difference to a significance level compared with a soybean which is not inoculated with the sinorhizobium SCAUs65.

The subject invention relates to compounds and compositions which induce transcripts of the nolA gene in nitrogen-fixing bacteria, such as Bradyrhizobium japonicum. Novel bacterial strains which are insensitive too NolA, soil inoculants comprising NolA insensitive bacteria and / or nolA inducers, and methods of increasing nitrogen fixation in legumes are also disclosed.

Formation of nitrogen fixing root nodules in legumes is induced by perception of lipochitin-oligosaccharide signal molecules secreted by compatible Rhizobium bacteria, which triggers a common symbiotic pathway. The present invention provides a spontaneous nodule formation (snf2) mutant, in which the formation of symbiotic nodules is spontaneous, leading to nodule development in the absence as well as in the presence of Rhizobium bacteria and / or exogenous rhizobial signals. The invention further provides an isolated DNA sequence encoding a mutant cytokinin-independent histidine kinase whose activity results in this ‘gain of function’ dominant phenotype of spontaneous nodule formation. Furthermore the snf2 gene is shown to confer a phenotype, characterised by regulated organogenesis of spontaneous nodules, to plants having a nodulation deficient genetic background. A gene of the invention, that confers this spontaneous nodulation phenotype, has 15 utility for the transfer and establishment of nitrogen fixing capability in non-nodulating plants, and thereby reducing the nitrogen fertiliser dependence of non-nodulating crop plants.

The invention provides a method for grinding a hearth roll of a continuous annealing unit on line, which aims to solve the problem of extremely easy nodulation of the hearth roll of a silicon steel annealing unit. With the adoption of the method, production and operation personnel can directly operate through the existing man-machine interface under the situations that the furnace temperature is not required to be reduced, and any mechanical equipment is not required to be increased, and the hearth roll can be ground on line at any time according to site demands. The method has the beneficial effects that the efficiency is high, the operation is convenient and quick, the quality of the lower surface of finished strip steel is ensured, energy sources are effectively saved, and the production efficiency and the yield of product are improved.

The invention discloses a preparation method of high-silicon non-oriented electrical steel for motors; Sn, Cu, B, Bi elements are added into electrical steel, and the contents are controlled reasonably, which bring into play the functions of each element and generate synergistic effect; wherein Sn and Cu facilitate the control of the morphology and distribution of precipitates and thus influence the texture; the added B and Bi elements can greatly reduce the annealing temperature of the electrical steel with high silicon content; only an annealing temperature of 870-890 DEG C is required to obtain magnetic performance with magnetic induction intensity B50 of more than 1.7 T, and iron loss P1.5 of less than 2.7 W / kg; with the combined action of the four elements and other routine alloying elements, the microstructure of the electrical steel is improved, and thus the mechanical properties of the steel are improved. Because the annealing temperature is decreased, furnace roller nodulation is completely avoided, and the scratch of strip steel is completely avoided; the production energy consumption is reduced, and thus the production cost is reduced.

The invention relates to a silicone-free submersed nozzle and a manufacturing method thereof. The silicone-free submersed nozzle comprises a body and a slag line segment, wherein the body comprises the following components in percentage by weight: 15-35% of crystalline flake graphite, 35-55% of white corundum and 20-50% of alumina titanate, and theslag line segment comprises the following components in weight percentage: 15-25% of crystalline flake graphite, 40-75% of zirconium oxide and 0-40% of alumina titanate. According to the invention, under the condition that the thermal shock resistance and the service life of the product can not be influenced, the generation of nodulation can be relieved or prevented by the mode of preventing the generation of SiO, and the nozzle is prevented from being blocked.

The invention discloses an ITO film sputtering target material cleaning method comprising the following steps: 1, using a deduster to thoroughly remove large particles; 2, using a sand paper of a corresponding mesh number to grind a target material sputtering surface, a grinding direction complies with a track direction formed on the target material sputtering surface, thus removing oxide and impurity of the sputtering surface; 3, using the deduster to thoroughly remove particles and dusts generated by the sand paper grinding the target material sputtering surface; 4, using a dust-free cloth to dip a little alcohol so as to clean the target material sputtering surface, thus removing the remaining dusts; 5, repeating the step 4 until the surface of the dust-free cloth only has slight color changes. The said steps can effectively remove the oxide, impurity and dusts on the target material sputtering surface, thus reducing target material surface nodulation in ITO film production, reducing target material cleaning frequency, improving production efficiency, improving target material utilization rate, and reducing production cost.

Soybean and Medicago truncatula CYP93C genes have been isolated which encode a cytochrome P450 that can catalyze the aryl migration of a flavanone to yield an isoflavanone intermediate or an isoflavone. Plants can now be genetically engineered to produce isoflavones that provide potential human health benefits and increase disease resistance in plants. Isoflavones can now be produced in transgenic plants species in which isoflavones do not naturally occur, i.e., in species other than legumes. Alternatively, introducing infection-inducible isoflavonoid biosynthesis into non-legumes qualitatively complements these plants phytoalexin defenses against microbial pathogens, whereas over-expression of the isoflavonoid pathway in legumes quantitatively increases this defense response. Finally, modifying the extend of production of isoflavonoids in legume roots positively impacts nodulation efficiency and therefore plant yield.

The invention relates to a process for treating electroplating sludge. The invention not only can eliminate the poisonous and harmful substances in the electroplating sludge, but also solves the technical problem of high treatment cost. The resource treatment process of the electroplating sludge comprises the following steps: a, ingredients: after the electroplating sludge is dried by a dryer, it is mixed with flux and coke according to the weight ratio of 100:15~71:50~88 ; b. Smelting: Stir and mix the above-mentioned materials with a good proportion, put them into a melting furnace for smelting reduction smelting at a temperature of 1400°C to 1600°C, and release the nickel-copper alloy obtained by smelting reduction through the alloy port , The liquid slag is released from the slag outlet; c. Tail gas treatment: the tail gas obtained during the above smelting is treated by the purification system and then emptied. The present invention has fast main reaction speed, high nickel recovery rate, forward charging, low batching cost, and overcomes the viscous slag and easy formation of nodules during reduction smelting of electroplating sludge, difficulty in descending furnace charge, extremely short furnace life, and frequent death Furnace problem.

The invention relates to a (Bradyrhizobium sp.) LX-JX01 and application thereof. A preparation method of an inoculant for the (Bradyrhizobium sp.) LX-JX01 includes the steps of preparing a liquid DM culture medium, preparing a solid DM culture medium, activating a strain and culturing the rhizobium. The strain can be in nodulation and symbiosis with Dalbergia odorifera. When the inoculant for the Dalbergia odorifera rhizobium LX-JX01 is used for planting Dalbergia odorifera seedlings, nodulation number root nodules is increased by 3823% than a control group, fresh weight of the root nodules is increased by 1038%, dry weight of portions, above the ground, of plants is increased by 47.22%, and seedling height and plant stem diameter are increased by 1030% and 42.3% respectively, so that the inoculant can promote growing of Dalbergia odorifera. Consequently, the inoculant has wide application prospect in planting of artificial forest of Dalbergia odorifera.