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410 results about "Incubation period" patented technology

Incubation period is the time elapsed between exposure to a pathogenic organism, a chemical, or radiation, and when symptoms and signs are first apparent. In a typical infectious disease, incubation period signifies the period taken by the multiplying organism to reach a threshold necessary to produce symptoms in the host.

Totally artificial breeding method for Coilia ectenes

The invention relates to a totally artificial breeding method for Coilia ectenes, belonging to the technical field of fish culture. The method is characterized by comprising the following process steps of parent fish source; parent fish select breeding comprising standing / flowing water combined reinforced breeding; artificial induced spawning measure comprising parent fish selection, semen collection, dug roe inspection, induced spawning water temperature confirmation, parent fish matching, hormone injection, artificial insemination and the like; microflow water incubating; and summer flower and fish fry breeding. The invention promotes the parent fish sex gland to grow to maturity and ovulate by measures of reinforcing parent fish nutrition reinforced breeding, feeding hormone, flowing water stimulating and regulating and the like and normalizes the artificial induced spawning and insemination process, originally creates a simple flowing water incubating device of a pelagic egg and reinforces the management and ecological regulation of incubation period, thereby effectively solving the technical problems of artificially breeding Coilia ectenes. The induced spawning rate of artificial breeding is 33 percent, the fertilization rate is 48 percent and the hatching rate is 44 percent.
Owner:FRESHWATER FISHERIES RES CENT OF CHINESE ACAD OF FISHERY SCI +1

Particle-based multiplex assay system with three or more assay reporters

A system and method for developing and utilizing particle-based n-multiplexed assays that include three or more reporters utilizes n particle sets that are associated with particle identification images or labels (IDs) that differ between sets. The encoded particles for a given set are coated with a specific binding member, or in the case of the sandwich assay with coupled capture and detector binding pair members, to form particle types. The sets of particle types are then pooled, and aliquots of the particle types are removed to assay vessels. Next, samples with three or four reporter molecules are supplied to the respective vessels. After one or more incubation periods, the particles are supplied to a reader system, which determines the particle IDs to identify the particle types and also detects the reporter signals. The reader system includes multiple excitation lasers that excite the various reporters in sequence or in parallel, to supply associated signals to one or more detectors. Emission filters and wavelength discriminators are included such that a given detector receives at a given time the signals associated with a single assay binding label. The system further develops greater capacity sandwich assays by assigning subsets of capture and detector antibody pairings to the three or four reporters, respectively. The system performs greater numbers of differential RNA expressions based on the use of the three or more reporters, with one or more reporters assigned to the reference sample and the other reporters assigned to respective test samples. The system and method are also capable of performing greater numbers of SNPs utilizing primer extension reactions, by assigning different color reporters to the respective nucleotides or terminators.
Owner:PERKINELMER HEALTH SCIENCES INC

Remote sensing technology-based grassland locust plague progressive prediction method

The invention discloses a remote sensing technology-based grassland locust plague progressive prediction method. According to the method, the distribution of key habitat elements which influencing the development of a grassland locust population is obtained by the means of quantitative remote sensing inversion, meteorological station observation and the like, wherein the key habitat elements subjected to remote sensing inversion comprises land surface temperature, vegetation coverage and soil moisture; the spawning suitability, the incubation suitability and the growth suitability of locusts are analyzed quantitatively by establishing an evaluation model, and a locust plague risk early prediction model is established; a locust plague risk level prediction result is corrected by utilizing the remote sensing observation of an incubation period and a third period and the locust density data measured in the field according to the incubation and development time axes of the locusts, and the situations of a grassland locust plague are predicted progressively. According to the technical scheme provided by the invention, the progressive update of sensitive habitat elements is obtained by performing quantitative inversion on remote sensing data with higher time resolution, so that the prediction precision of a locust plague monitoring and prediction model is improved.
Owner:PEKING UNIV

Coal mine water burst down-hole full-space real-time continuous monitoring early-warning method

The invention discloses a coal mine water burst down-hole full-space real-time continuous monitoring early-warning method which comprises the steps that 1. a group of slight shock detectors are arranged on a coal mine down-hole excavating working face or near a construction weak zone, and all slight shock events in a certain time period in a monitoring zone are subjected to full-space real-time continuous monitoring; 2. all the slight shock events are subjected to time locating and space locating; and 3. according to a space profile distribution graph in the step 2, a slight shock event dense distribution zone in a water source layer is subjected to incubation period blue early warning, a slight shock event dense distribution zone in a water insulating layer is subjected to development period yellow early warning, and a slight shock event dense distribution zone near the excavating working face is subjected to burst period red early warning. The method can carry out omnibearing real-time continuous monitoring and effective early warning on a water source layer, a water insulating layer and an excavating layer, so that real-time judging of water burst time, the water burst point position and the water burst type is achieved, and significance is achieved on reducing and avoiding of water burst accidents and quick treating of water burst.
Owner:HEBEI COAL SCI RES INST

Permanent modifier capable of improving electrical conductivity of hypo eutectic Al-Si alloy as well as preparation method and using method of permanent modifier

ActiveCN104195385AReduce H contentLow shrinkageCeriumLanthanum
The invention belongs to the metallurgical field and particularly relates to a permanent modifier capable of improving electrical conductivity of a hypo eutectic Al-Si alloy as well as a preparation method and a using method of the permanent modifier. The permanent modifier comprises the following components in percentage by weight: 1-4% of Sr, 5-20% of lanthanum-cerium-rich mixed rear earth and the balance of Al, wherein a weight ratio of the Sr to the lanthanum-cerium-rich mixed rear earth is 1 to (5-10). The preparation method for the permanent modifier comprises the following steps: firstly, preparing materials and smelting the prepared materials; and then, carrying out alloying and carrying out thermal extrusion by virtue of billets prepared by extruding and casting to prepare a modifier wire, thus obtaining the permanent modifier product capable of improving electrical conductivity of the hypo eutectic Al-Si alloy, wherein effective modifying time is at least 5 hours. The permanent modifier disclosed by the invention is convenient to use, stable in effect, long in effective modifying time, free of a modifying incubation period, and has effective modifying time of at least 5 hours according to detection. And moreover, the electrical conductivity of the alloy treated by virtue of the modifier wire is obviously improved.
Owner:SHENYANG POLYTECHNIC UNIV

Intensified artificial breeding method for Australian crayfishes

The invention discloses an intensified artificial breeding method for Australian crayfishes. The method comprises the following steps of: putting pubescent parent crayfishes which pull through a wintering period into a spawning pond according to a proportion of 1-3: 1 of female and male, wherein circulating water is adopted in the spawning pond to automatically control and increase oxygen; sterilizing fertilized ovigerous female crayfishes, putting into small hatching lattices in a hatching pond, wherein one crayfish is hatched in each small hatching lattice, and carrying out water-flow hatching; and enabling hatched young crayfish seeds to leave away from mother bodies after 30-50 days of incubation period, enabling the young crayfish seeds to escape into water through a filter screen of the hatching pond, after all the crayfish seeds at the abdomen of the ovigerous female crayfishes leave away from the mother bodies, immediately separating the parent crayfishes, and remaining the young crayfish seeds to be continuously cultivated for 5-10 days, so that the cultivation can be carried out. According to the method, the artificial intensified breeding incubation can be carried out according to the required offspring seed quantity and the required offspring seed time at any time, the water temperature, the dissolved oxygen, the water quality and the like can be controlled, the method can not be influenced by environment, and the method is high in fertilizing rate, spawning rate and hatching rate.
Owner:NANCHONG YINGYU AQUATIC TECH CO LTD

Laying pigeon artificial incubation method

InactiveCN101213946AShorten laying cyclePoultry incubationFowlUnfertilized Eggs
The invention relates to an egg pigeon artificial incubation method, which belongs to avian hatching. The invention is characterized by six steps: firstly, pigeon eggs, which are yielded at the same period, are disinfected, and then put into a hatching machine; secondly, the hatching machine is started, and the temperature inside an incubation room is controlled within 38.2 DEG C to 38.5 DEG C, and the humidity is controlled within 60 percent to 65 percent; thirdly, the eggs are turned over, and the eggs are turned over once every two hours in the process of incubating, and the turning over of the eggs should be stopped one day before squeakers are hatched; fourthly, the eggs are checked, and the first check should be carried after the eggs are incubated for 4-5 days, and the second check should be carried after the eggs are incubated for 9-10 days, and the unfertilized eggs and the addle eggs should be winkled; fifthly, the breeding eggs are shifted from incubation room to hatching room when the eggs are incubated for 16 days; sixthly, the eggs are hatched, and the breeding eggs can be hatched when the breeding eggs are incubated for 18 days, and the temperature inside the hatching room should be 38 DEG C, and the humidity should be within 70 percent to 75 percent. The invention improves the incubation rate and creates condition for pigeon eggs breeding squabs in bulk. The invention shortens the egg product period of egg pigeons. The natural incubation period is 45 days, the artificial incubation period is shortened to about 15 days and the period is improved 66.67 percent.
Owner:温积辉
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