48results about How to "Mature" patented technology

The invention relates to an aluminium-doped perovskite phase negative temperature coefficient thermal sensitive ceramic material. The aluminium-doped perovskite phase negative temperature coefficient thermal sensitive ceramic material is prepared from La2O3, MnO2 and Al2O3 by steps of preparing a perovskite phase LaMn1-xAlxO3 powder material by adopting an oxide solid-phase method, then doping Al2O3, forming and sintering at a high temperature. The electrical parameter range of the aluminium-doped perovskite phase negative temperature coefficient thermal sensitive ceramic material is B25/501817-3920K+/2%, rho25 DEG C 4.7-6.13*10<6>omega.cm+/-3%. The aluminium-doped perovskite phase negative temperature coefficient thermal sensitive ceramic material has the advantages of wide adjustment range of electrical parameter and high repeatability. The aluminium-doped perovskite phase negative temperature coefficient thermal sensitive ceramic material is simple in a preparation technology and convenient to operate. The material formulation can be flexibly selected in a wide range according to the need. The aluminium-doped perovskite phase negative temperature coefficient thermal sensitive ceramic material is applied to thermistor elements for temperature measurement, control compensation and the like under different conditions.

The invention provides an artificial propagation method for yellowfin groupers. The artificial propagation method comprises the steps that (1) parents are selected; (2) a parent breeding pond is separated into a deep water area and a shallow water area with water flow communicated, wherein the water depth of the deep water area ranges from 4 m to 5.5 m, and the water depth of the shallow water area ranges from 3 m to 3.5 m; (3) parent fish breeding management is carried out, wherein a, in first 3 weeks during breeding, LED green light and yellow light alternately irradiate the water surface ofthe pond, and after the parent fishes are bred for 3 weeks or longer, the water surface of the pond is irradiated by the LED green light; b, feed is prepared from 3-5 parts of grouper compound feed and 1-2 parts of small fish and shrimp and artificial pellet feed, the parent fishes are fed with the first feed in the first 3 weeks during breeding, and the parent fishes are fed with the second feedafter being bred for 3 weeks or longer; c, the water temperature of the pond ranges from 21 DEG C to 26 DEG C, and water dissolved oxygen is larger than 4.8 mg/L; (4) breeding is enhanced before propagation is carried out; (5) artificial propagation is carried out; (6) zygotes are collected and hatched. According to the artificial propagation method for the yellowfin groupers, the adaptive capacity to environment of the parent fishes is enhanced, the activities of fish shoals are effectively promoted, the feeding rate is effectively increased, the fertility is high, and large-scale artificialbreeding of the yellowfin groupers can be effectively achieved.

The invention discloses a refraction-reflection type imaging spectrometer optical system based on a prism-grating-prism decomposition, which is characterized by comprising a field stop, a collimate mirror, a plane mirror, a decomposition assembly, a convergent mirror group and a optical filter which are arranged sequentially from an object to an image. The optical system is in refraction-reflection type, the collimate mirror is a concave spherical reflector, the convergent mirror group is a spherical lens group, the decomposition assembly is of a prism-grating-prism form, a prism and a grating are combined for correcting spectrum curvature of the decomposition assembly, the grating is a reflection type plane grating, and an angle is formed between the convergent mirror group and the decomposition assembly in the optical axis direction and used for adjusting residual spectrum curvature of the optical system. The refraction-reflection type imaging spectrometer optical system based on the prism-grating-prism decomposition has the advantages of low spectrum curvature, high optical efficiency, compact structure, simply processing and installing and adjusting procedures and flexibility in selecting spectrum segments.

The invention discloses a millimeter-wave dual reflector antenna capable of focusing a near-field wave beam. The antenna comprises a main reflector, an auxiliary reflector and a feed source, wherein a wave beam emitted by the feed source is reflected by the auxiliary reflector to the main reflector, and then emitted; a curved surface of the main reflector is a revolution paraboloid; and a central point of the main reflector is located at an intersection point of an emitting central axis of the auxiliary reflector and an axis of a radiation wave beam. The antenna is simple in structure and mature to process; the power density of a near-field region axis of the antenna is improved; the maximum power density of the axis is improved greatly under the same input power; a distance range of an effective power threshold is expanded; the efficiency of the antenna is improved; and a near-field gain of the antenna is increased.

The invention discloses a neonatal pig islet cell culture medium and an application method thereof. The method for preparing the neonatal pig islet culture medium includes adding 10 micromoles to 50 micromoles of a cell apoptotic inhibitor Z-VAD-FMK, human albumin accounting for 15% to 25% of the culture medium and pig serum accounting for 5% to 15% of the culture medium to an HAM'S/F-10 culture medium, and adding 6 micromoles to 10 micromoles of sodium pyruvate ro each liter of the culture medium. The neonatal pig islet culture medium is an improved neonatal pig islet culture medium system which can provide a large number of active and stable yields.

The invention provides a quick manual maturation accelerating method of fruit vinegar, uses gassy ozone to oxidize the fruit vinegar, and quickly and manually accelerates the fruit vinegar maturation. The method has simplicity, convenience and low cost, does not use heat treatment, does not have residual ozone, is safe and reliable, can raise the total ester content of the fruit vinegar by about 40 percent, and has little influence to aminonitrogen and total acid of the fruit vinegar; furthermore, the method can enhance the color and flavor of the fruit vinegar, provide the processed fruit vinegar with mature characteristics and greatly shorten the fruit vinegar aging period, is applicable to large-scale popularization and application, and has remarkable economic benefits.

The invention relates to the technical field of drilling fluid auxiliaries, and provides an environment-friendly type drilling fluid anti-wear agent with high temperature resistance and a preparation method of the environment-friendly type drilling fluid anti-wear agent. The environment-friendly type drilling fluid anti-wear agent with the high temperature resistance comprises raw materials as follows: phosphorus pentasulfide, isooctyl alcohol, oleic acid, diethyl ammonium phosphate, potassium hydroxide, a molybdenum di-zinc compound, dimethyl silicon oil, zinc carbonate, aluminum distearate and water. The environment-friendly type drilling fluid anti-wear agent with the high temperature resistance is prepared from a natural polymer material, biomass oil and lipid through modified synthesis and esterification reaction, is not only an environment-friendly type drilling fluid auxiliary, but also can reduce wear, decrease frictional resistance and torque, increase the drilling rate and reduce drilling cost effectively and has higher tolerable temperature and higher salt intrusion resistance, thereby having more popularization value and further having better rock fragment hydrated dispersion inhibition capacity and better shale expansion inhibition function, and accordingly, the environment-friendly type drilling fluid anti-wear agent with the high temperature resistance is the environment-friendly drilling fluid auxiliary with the high temperature resistance and has the characteristics of advancement, maturity and economic efficiency.

The invention provides red sage root extract sustained-release micropills. Each sustained-release micropill consists of a pill core and a coating film, wherein the pill core comprises a red sage root extract; and the coating film comprises supermicro talcpowder and a copolymer of methyl methacrylate and ethyl acrylate. The invention also provides a method for preparing the red sage root extract sustained release micropills and application of the red sage root extract sustained-release micropills in resisting cardio-cerebrovascular disease. The red sage root extract sustained-release micropills have the advantages of having steady release rate and only needing to be taken twice a day; and the accumulative release percentage reaches 88.4 percent within 12 hours.

The invention relates to a heating hollow nutrient bag seedling culturing box and an application thereof, and belongs to a culturing method of forestry tree seedlings. A floor heating wire with resistance of 33ohm/m is arranged at the bottom of the box, so as to form the seedling culturing box (with outer diameter of 210cm*110cm*30cm) which can be heated and of which the temperature can be controlled; three expandable polystyrene foam plates with respective size of 199cm (length)*3cm (width)*10cm (height) are arranged at the two longitudinal edges and the middle part of the interior of the seedling culturing box, cover plates of the seedling culturing box are sequentially arranged on the foam plates, cuttings of which the roots are coated with nutrient bags are arranged in the seedling culturing box according to the positions of small grooves in the cover plates, the small grooves of the two adjacent foam cover plates are butted, and the cuttings are clamped, until the cuttings are fully arranged in the seedling culturing box; the temperature in the box is maintained at 27-29 DEG C, a 2,000-times carbendazim (50% of wettable powder) solution is applied into the seedling culturing box at the interval of 7-8 days, and the moisture of a substrate in the box is maintained; the seedling culturing time is 30-40 days, and the seedling culturing in the warm box is obtained. A method has the advantages that the rooting rate of the seedling culturing reaches more than 95%, and the seedling survival rate is high.

The invention provides a cultivation method for 'Jinying' novel grape species. Hard branches of dozens of Kyoho grapes are selected as scions; tens of summer black grape trees are selected as stock and pollinizers; in May, the hard branches of the Kyoho grapes and the summer black grape trees are grafted, after survival, only one Kyoho grafting branch can be reserved on each tree, and the other branches are sheared off; in the current year, after to-be-grafted Kyoho grapes bloom, the Kyoho grapes are mated with blooming summer black grapes, and isolation pollination is performed; in the current year, the grafted Kyoho grapes on the summer black grape trees are fruited, seeds are taken and embedded into sandy soil, in the next March, seedling growing is performed, and in the current July, green branch transplanting is performed. The average fruit weight of the species is about 12 grams, and the sugar content is about 16-18%. The mature period is about 20 days ahead of the schedule of the Kyoho grapes and about 10 days later than the summer black grapes, and the problems that the Kyoho grapes are seriously different in size and hard in fruit bearing in the flowering phase are effectively solved. The species has the only defect that the species has no immunity to gray mold and the gray mold needs to be prevented one more time compared with other species.

The invention discloses a method for breeding and increasing the yield of white mullets, which comprises the following steps of: S1, selecting breeding fish for the first time; S2, selecting the breeding fish for the second time; S3, after selecting parent fish for the first time, putting the parent fish into a sterile parent fish pond for independent feeding; S4, culturing second parent fish on the basis of selecting good parent fish for the second time; S5, selecting the parent fish during spawning of the white mullets, and selecting the parent fish with large mature body sizes; S6, carryingout spawning induction medicine injection on female fish for two times, and carrying out one-time injection on male fish; S7, placing the spawned parent fish in a greenhouse for spawning and hatching; S8, two days after the fish fries are ovulated, transferring the fish fries to a water flower fish pond for culture; S9, adding fresh water, adding photosynthetic bacteria and phosphate fertilizer,and feeding zooplankton; S10, feeding minced fish meat, finishing fish fry cultivation, and separating the fish fries to different ponds for adult fish cultivation. According to the invention, a secondary injection spawning induction method is used, so that the eggs of the female fish are more mature, and the hatching rate is high; the eggs are protected by the parent fish for hatching, and the survival rate is improved.

The invention provides an orthopedic wound first-aid protective agent, which consists of 0.07-0.1% of benzalkonium bromide, 1-3% of a radix salviae miltiorrhizae extracting solution, 2-5% of a surfactant, 1-6% of menthol, 0.01-0.03% of zinc ions, 0.01-0.03% of iron ions, 0.01-0.03% of manganese ions and the balance of distilled water. The orthopedic wound first-aid protective agent disclosed by the invention has the beneficial effects that the protective agent can be used for effectively inhibiting bacteria of orthopedic wounds, enhancing a hematopoietic function of human bodies and accelerating wound healing; and the protective agent, which combines traditional Chinese and Western medicines, is good in sterilizing effect.