32results about How to "Reduce fatalities" patented technology

The invention discloses a culture device and a culture method for increasing the output of crayfish, and relates to the technical field of culture devices. The present invention includes a base plate, a limiting plate, a motor, a first rotating assembly, two second rotating assemblies, and two third rotating assemblies are arranged on the upper side of the base plate; the second rotating assemblies are rotatably fitted with a first connecting column, two third rotating assemblies A second connecting column is rotatably fitted between the rotating components, and a threaded rod is fitted to an internal thread of the second connecting column. In the present invention, through the set limit plate, when the motor is started, the output end of the motor drives the limit plate to move upwards, so that the first box can be quickly and conveniently taken out, so that the shrimp can be quickly taken out, and the number of crayfish is reduced when catching crayfish The situation of death occurs, and the two fourth fixed rods provided reduce the occurrence of the first connecting column tilting when sliding, thereby improving the stability of the device.

The invention discloses a fertilization device for agricultural production with self-adjustment function, which comprises a fertilization device body, a control box is connected to the fertilization device body, a height adjustment mechanism is connected to the fertilization device body, and the height adjustment mechanism comprises a rotating rod fixing seat. The rotating rod fixing seat is connected with the body of the fertilizing device, the side of the fertilizing device body away from the rotating rod fixing seat is connected with a first motor, the first motor is connected with a first motor rotating shaft, and the first motor rotating shaft penetrates the fertilizing device body and the rotating rod Mounting settings. Through the arrangement of the corresponding mechanism on the fertilization device, the invention enables the fertilization device to be adjusted according to different plants during the fertilization work, greatly improves the targeting of the fertilization device, greatly reduces the waste of fertilizer, and avoids the The impact on the plant growth environment greatly reduces the occurrence of plant death, and greatly reduces the unnecessary economic loss of users.

The invention discloses a cow dung composting system, which comprises a cow breeding area, a planting area, a composting area and a circulation pipeline; at least two composting units are arranged in the composting area, and the humus discharged from the composting unit is discharged to the planting area, and the circulation pipeline Including heat source section, heat exchange section and return section; all composting units are equipped with heat source sections, the heat source sections in two adjacent composting units are connected, and the heat source section in at least one composting unit transports the heat source medium outward, at least The heat source section in a composting unit receives the cold source medium that returns from the outside; the heat exchange section is set in the cattle breeding area and is connected to the heat source section that transports the heat source medium outward; the return section is set in the planting area, and the input end of the return section It is connected with the heat exchange section, and the output ends of the return section are openably and closably connected with the input ends of all heat source sections. The cow dung composting system can make multiple use of the ability in the cow dung, and can avoid the situation that a large number of microorganisms die due to the high temperature of the cow dung during the composting process.

The invention belongs to the technical field of animal model construction, and provides a method for constructing an animal model of yang deficiency type constipation and its application in order to solve the problems of high mortality and poor reproducibility of the animal model of yang deficiency type constipation. The experimental animals were gavaged with 1-8% v / v acetic acid solution and ice-water mixture containing 5-50% g / v activated carbon for 1-8 weeks. The specific administration method was: the first dose of acetic acid solution was 0.5- 10.0 mL / rat, then 0.5-10 mL / 100g of acetic acid solution, and 0.5-8 hours later, 0.5-10 mL / 100g of ice-water mixture containing activated carbon. The invention provides an animal model of yang-deficiency type constipation with high stability, easy promotion, low mortality, good reproducibility, and economical application, which is used for prescription screening, preclinical research and development of drugs, and functional evaluation for treating yang-deficiency type constipation , mechanism research, etc., as well as the research and development of functional food and health food to provide an experimental basis.

The invention relates to an in-situ fertilized egg proliferation and releasing method suitable for sepiella maindroni. The method comprises the following steps: using artificial resin as a material and taking gorgonian in a natural sea area as a model to prepare an egg collecting device for fertilized eggs, and applying an ovipositor for fertilized eggs to a sea-area net cage of the sepiella maindroni. The method has the beneficial effects that oviposition of the sepiella maindroni under a natural environment is simulated, and in-situ proliferation is carried out, so that the oxygen loss of the fertilized eggs probably caused by transport to a proliferation and releasing sea area from other places during fertilizer egg proliferation is avoided; and the gorgonian-mode ovipositor is producedby simulating the gorgonian, so that the egg laying rate is higher, and the egg laying effect is better. The fertilized egg collecting device also has an effect of lowering stormy waves, and enablesthe inside of the net cage to be in a stable state, so that the situation of death stress-jet of young sepiella maindroni is greatly reduced, and the survival rate of the young sepiella maindroni is improved. Inner surfaces of irregular concave holes are coated with an antibacterial coating, so that the fertilized eggs can be effectively protected, and the pathological change rate of the fertilized eggs can be reduced.