49results about How to "Affect development" patented technology

A method for the oviposition and incubation of poulpe includes such steps as temporary culture of parents, repening the sex gland of parents, arranging ovum collectors which are the PVC tube with 20-30 cm in length, oxytocia, moving the female poulpes along with said ovum collectors in a netted cage, aerating while incubating, collecting larvae, and culturing in pool. Its netted cage for incubation is also disclosed.

A cuttage cultivation method for azalea. A semi-lignified annual branch (10-15 cm) of azalea is selected and then is pre-treated and cut, and the branch is cultured under daily management until a seedling grows, wherein the pre-treatment particularly includes the steps of: removing redundant leaves from the branch with 2-3 leaves on the top remained, and soaking the branch in a disinfectant for 0.5-2.5 h, taking the branch out and draining the branch to remove liquid on the branch, and inserting the lower end, by 20-40% by length of the branch, of the branch into a nutrient solution to soak the branch for 16-20 h, and taking the branch out and draining the branch to remove liquid on the branch. The method saves time and labor intensity, is low in cost and is easy to achieve in batches, and greatly increases the rooting rate and survival rate of the cut branch of the azalea.

The invention provides a solvent-assisted SAGD three-dimensional physical simulation experiment method and device. The device comprises an injection device, a simulated oil reservoir model and a recycling device, a first pump unit in the injection device is communicated with a piston container unit, a second pump unit is communicated with a steam generator, the piston container unit and the steam generator are communicated with a gas injection well of the simulated oil reservoir model respectively, one end of a first condenser of the recycling device is communicated with a production well of the simulated oil reservoir model while the other end of the same is communicated with a feeding port of a gas-liquid separator, a second condenser is communicated with a liquid outlet of the gas-liquid separator, a third condenser is communicated with a gas outlet of the gas-liquid separator, a raw oil and water collection container is connected with the second condenser, and a solvent recycling container is connected with the third condenser. By the method and the device, mining conditions of solvent-assisted SAGD technology can be simulated, and mechanism of solvent in the process of SAGD can be studied so as to optimize and improve existing solvent-assisted SAGD technology according to oil reservoir conditions.

The invention discloses a cutting cultivation method for improving the rooting rate of azalea. A semi-lignified azalea branch with the length of 10-15cm which is generated in the current year is selected, the obtained branch is pretreated and then subjected to cutting, and daily management is performed until seedling is bred, wherein the pre-treatment comprises the following specific steps: redundant leaves are removed from the obtained branch, and 2-3 leaves at the top end of the branch are reserved, and then the branch is soaked in a disinfectant for 0.5-2.5 hours and then fished out and the liquid on the surface of the branch is drained, the lower end part of the branch with the length of 20%-40% of the whole length of the branch is inserted into a nutrient solution and soaked for 16-20 hours, the branch is fished out and then the liquid on the surface of the branch is drained. The cutting cultivation method is time-saving, labor-saving and low in cost, batch process is easily performed, and the rooting rate and the survival rate of the azalea cutting branches are greatly improved.

The present invention relates to a nucleic acid construct having a nucleic acid molecule configured to silence β-carotene hydroxylase expression, and host cells, expression systems, plants, and plant seeds having the nucleic acid construct. The present invention also relates to a method of enhancing beta-carotene content by growing a transgenic plant from a plant or seed transformed with the construct.

The invention discloses a wafer photoetching device. The photoetching device structurally comprises a main body, a control panel, a feeding hole, a photolithographic block and a developing device, wherein the feeding hole is formed in the left side of the main body, the developing device comprises a photoresist recycling box, a wafer collecting box, a conveying belt, a carrying disc, a sliding rodand a spraying device, the material spraying device comprises a transverse sliding block, a limiting block, a rotating block, a threaded rod, a material passing pipe and a discharging device, the discharging device comprises a material passing groove, a material spraying head, a groove, a power spraying head and a slag brushing device, the slag brushing device comprises a material blocking device, a rotating rod and a brush, and the material blocking device is arranged at a side end of the slag brushing device. The photoetching device is advantaged in that the power nozzle is used for vertically spraying the photoresist, the slag brushing device installed in the middle of the groove is impacted, the material blocking device is impacted to rotate, and therefore the brush fixedly embedded in the rotating rod rotates to brush residues on a surface of a wafer, and the situation that reacted residues are attached to the surface of the wafer, and development of the photoetching position ofthe post-reaction wafer is affected is avoided.

The invention discloses an intelligent schoolbag. The intelligent schoolbag comprises a schoolbag body and is characterized in that shoulder straps are symmetrically arranged on the outer surface of the schoolbag body and is characterized in that an LED warning lamp and solar panels are arranged on the front surface of the schoolbag body. The intelligent schoolbag has the advantages that by usingthe solar panels to assist power supply, continuous operation of the intelligent schoolbag can be guaranteed, the situation that the schoolbag cannot work due to the fact that a lithium battery runs out of power can be avoided, the low carbon and environment protection requirements of the current society can be satisfied, the inclination degree of the back of a user during the use of the schoolbagcan be detected in real time, the user can be reminded, the back development of the user can be prevented from being affected by long-term unhealthy postures, the lithium battery can be charged through a USB charging hole, the normal work of the schoolbag can be prevented from being affected by the fact that the solar panels cannot work due to long-term rainy days, the user can be positioned through a positioning device, a positioning signal can be transmitted to an APP in the mobile phones of parents, the parents can learn about the position of the user, and the user can be prevented from being lost.

The invention discloses a high-survival-rate sheep oosperm culture method for Hu sheep embryo in-vitro culture. The high-survival-rate sheep oosperm culture method comprises the following steps: (1) oocyte collection: sucking oocytes from ovaries of Hu sheep; (2) sperm collection: extracting sperms from the male Hu sheep; (3) fertilization: carrying out artificial fertilization on eggs and sperms;(4) embryo culture: putting the fertilized eggs into an incubator for culture; and (5) observation: observing the development condition of the embryo, wherein the incubator in the step (4) comprisesa main body, a feeding device, a rotating frame, a culture device and a discharging device, wherein the feeding device comprises a feeding channel, a conveying mechanism, a feeding opening, a rotatingtable and a transition mechanism. According to the method, the embryo survival rate is increased through artificial fertilization, the transition mechanism isolates the embryos from outside air whenthe embryos are placed into the incubator, so that embryo development is prevented from being influenced, and the discharging device realizes the purpose of independent taking a culture dish, so thatthe survival rate of embryos is increased.

The invention relates to the technical field of biomedicine, in particular to mir-29 and application of an inhibitor thereof in preparing medicine resisting organ transplant rejection, and provides new medical application of miR-29. The new medical application includes that the inhibitor of miR-29 can remarkably inhibit T cell mediated acute rejection after allogeneic organ transplant; the inhibitor of miR-29 can remarkably influence B cell development, induce B cell apoptosis and reduce number and proportion of peripheral B cells so as to effectively inhibit antibody mediated immunological rejection after allogeneic organ transplant. The invention provides a new prevention and treatment means for treating rejection, especially antibody mediated acute-chronic rejection after allogeneic organ transplant.

The invention provides an inhibitor aiming at miRNA-asu-miR-36f for specific expression of third-stage larvae of ascaris lumbricoides. The inhibitor is capable of specifically inhibiting asu-miR-36f for specific expression of the third-stage larvae of ascaris lumbricoides. A nucleotide sequence of the inhibitor is UGACAAGGAUUGCAGCCCGGUGA. According to the inhibitor, through combination with the asu-miR-36f, the abundance of the asu-miR-36f is significantly reduced; development of the third-stage larvae of ascaris lumbricoides is significantly affected; and the infection rate is reduced. The miRNA-asu-miR-36f inhibitor for specific expression of the third-stage larvae of ascaris lumbricoides provided by the invention can be applied to affecting growth and development of the third-stage larvae of ascaris suum and ascaris lumbricoides, or functions related to infectivity.

The present invention relates to the field of beekeeping-related appliances, in particular to a constant temperature beehive, comprising a beehive body, a box cover is provided on the top of the beehive body, the box cover includes a box frame and a box top, and the box frame is provided with a nest door. The top of the box is a structural member of fiber heat insulation material. The box cover includes a box frame and a box top. The box frame is provided with a nest door. Bees can enter the beehive body along the nest door on the box frame. The box cover is arranged on the top of the beehive body. , which can block the sunlight, so as to avoid the beehive body from being directly irradiated by sunlight. The top of the box is a structural member of fiber heat insulation material, which has good heat insulation performance. It solves the problem that the temperature in the beehive rises due to the outdoor sunlight, so as to maintain a relatively constant temperature, and solves the problem that the sunlight in the summer is irradiated on the beehive, so that the temperature in the beehive rises rapidly beyond the environment that the bees can bear. It solves the problems of bee development, reproduction and honey making.

The invention belongs to the technical field of agricultural machinery, and particularly relates to a novel wheat stubble crusher. The wheat stubble crusher comprises a suspension rack, a longitudinalcrushing header, a filtering rake, a transverse crushing rotary tillage mechanism, buffer mechanisms and a driving mechanism, wherein the suspension rack is directly mounted on a rear suspension of atractor and is controlled by the rear suspension to move up and down; the longitudinal crushing header is fixed to the front end of the suspension rack through the buffer mechanism, and a crushing saw blade is driven by a hydraulic motor to longitudinally crush wheat stubbles; and the transverse crushing rotary tillage mechanism is fixed to the rear end of the suspension rack through the buffer mechanism, the hydraulic motor drives a rotating shaft to transversely crush wheat stubbles which are not ideally crushed by the longitudinal crushing header, meanwhile wheat roots remaining in soil are excavated and crushed, and micro-tillage treatment is conducted on the soil while excavation is conducted. According to the wheat stubble crusher, longitudinal crushing and transverse crushing are combined, so that the effective crushing rate of the wheat stubbles can be increased, meanwhile, the energy loss caused by mechanical transmission can be effectively reduced, and the operation efficiency is improved.

The invention discloses an adjustable safe membrane-rupturing device for an obstetrics and gynecology department, and belongs to the technical field of medical treatment instruments. The adjustable safe membrane-rupturing device mainly comprises a cavity main body, a membrane-rupturing element, a liquid-collecting element and a power supply, wherein the membrane-rupturing element comprises a cleanmounting panel, a membrane-rupturing needle and a vagina-expanding adjusting cover, the vagina-expanding adjusting cover comprises a plurality of expansion plates, folding inflation covers and a miniature inflation pump, and each folding inflation cover is arranged between two adjacent expansion plates. Each folding inflation cover is in a folding state before a membrane-rupturing operation of the vagina-expanding adjusting cover, so that the whole vagina-expanding adjusting cover is relatively small in size, the membrane-rupturing element can be advantageously put into a foetal membrane, andmeanwhile, an vaginal orifice of a pregnant woman is not injured; and when the vagina-expanding adjusting cover enters the foetal membrane, the folding inflation covers are inflated, the whole vagina-expanding adjusting cover is opened to be fit with the foetal membrane, amniotic fluid flowing out of the foetal membrane after the membrane-rupturing operation is pumped into a fluid-collecting element from the vagina-expanding adjusting cover through a negative pressure, so that the operations of the whole process are simple, a fetus and the pregnant woman are not injured, and meanwhile, the situation that the amniotic fluid flows out to pollute an operation environment is avoided.

The invention discloses a sterile household seedling culture device, relates to the technical field of agricultural seedling culture and solves the problem that seedlings cultured by seedling culturedevices are poor in adaptability in the prior art. The sterile household seedling culture device comprises a bed, a shading cover is arranged on the bed and fixedly connected with the same, an illumination simulating component for providing illumination is arranged in the shading cover, an air sterilizing component for delivering sterilized air into the shading cover is arranged on the bed, an airdisinfecting component is arranged in the air sterilizing component, and a humidity control component for controlling humidity and a temperature control component for controlling temperature are arranged in the bed and fixedly connected on the bed. Content of oxygen and carbon dioxide in air in the seedling growing period is consistent with that of air, so that during seedling transplanting, environmental change is little, seedling adaptation period is short, and survival rate is high.

The invention discloses a subsurface flow landscape saline-alkali soil greening system based on a river, and belongs to the technical field of municipal water conservancy. The system comprises a reservoir, a water inlet is arranged on one side of the reservoir, the water inlet communicates with the upstream of an external river channel, a water separation dam is arranged on the other side of the reservoir, a water channel is arranged on the other side of the water separation dam, a water suction pump is arranged in the water channel, a plurality of overflow holes communicate with a water outlet of the water suction pump, the overflow holes communicate with a subsurface flow landscape system, a brine pool is arranged on the other side and provided with a water outlet, and the water outlet communicates with the downstream of the external river channel; and the system comprises a planting soil layer, a first permeable layer is laid at the bottom of the planting soil layer, a first salt discharging pipe is arranged in the first permeable layer, a plurality of open holes are formed in a pipe body of the salt discharging pipe, and a first salt discharging opening is further formed in one end of the first salt discharging pipe and communicates with the brine pool. Depending on greening projects around the river channel, the system can greatly delay the alkali efflorescence time of the planting soil, reduce the frequency of replacing the planting soil, and save social resources.

The invention discloses a big data-based sewage ecological treatment system for a pig farm. The system comprises a breeding pig house module, an electricity storage panel, solar power generation panels, a biogas fermentation module, an earthworm breeding module, a biogas treatment assembly and a water storage tank, and the electricity storage plate and the solar power generation panels are arranged at the upper end of the breeding pig house module; and the solar power generation panels are located at the upper end of the power storage panel, a storage battery is arranged in the power storage panel, the multiple solar power generation panels are arranged and distributed at equal intervals, and through pipes are symmetrically installed at the positions, close to the two sides, of the lower end of the breeding pig house module. The lower ends of the through pipes are connected with the biogas fermentation module, and the earthworm breeding module is arranged on one side of the breeding pig house module. The system is a benign sewage treatment system and breeding system, caters to the analysis trend of big data, realizes green breeding and energy-saving breeding, reduces capital investment, and protects environment ecology.

The invention discloses a chair convenient for a student to use. The chair comprises a backrest, a chair seat and chair legs which are used for supporting the chair seat, wherein the backrest is movably connected to one side of the chair seat through a hinge, a headrest is arranged on the middle upper portion of one side of the backrest, and a storage bag is arranged on the side, back to the headrest, of the backrest; a heater is arranged in the backrest, and a heater switch is embedded at the top end of the backrest. The chair has the advantages that the backrest and the chair seat are movably connected through the hinge so that the angle between the backrest and the chair seat can be adjusted, when the student sleeps at noon, the backrest is put down and fixed through a locking mechanism, the headrest and a sponge cushion are further arranged on the backrest, so that the student has a better rest condition, and it is avoided that the student sleeps on a desk for a long period and the spinal development of the student is influenced; in winter, the heater can be turned on to heat the backrest; furthermore, the storage bag is arranged on one side of the backrest so that the student can place books and increase the storage space and can also prepare a blanket which is convenient to use when the student sleeps.

The invention discloses an amniotic fluid side leakage preventing multifunctional puerpera bed for miscarriage prevention, and relates to the field of beds. The amniotic fluid side leakage preventingmultifunctional puerpera bed comprises a bed body, wherein bed legs are fixedly mounted around the bottom of the bed body, a lifting groove is formed in the bottom of the bed body, two moving blocks are arranged in the lifting groove, a right-hand threaded hole and a left-hand threaded hole are formed in the sides, close to each other, of the two moving blocks correspondingly, a right-hand lead screw and a left-hand lead screw are installed in the right-hand threaded hole and the left-hand threaded hole correspondingly in a threaded mode, the right-hand lead screw and the left-hand lead screware fixedly connected, and a rotating groove is formed in the inner wall of the side, close to the right-hand lead screw, of the lifting groove. During use, the hip of a pregnant woman can be raised,so that the hip is raised, excessive amniotic fluid is prevented from flowing out to influence the development of a fetus, the raising height and position can be adjusted, the pregnant woman can conveniently select the raising height and position by himself/herself, accompanying persons can have a rest through the arrangement of the folding plate, and the amniotic fluid bed is convenient to storeand does not occupy space.

The invention provides an immunogen. The immunogen comprises an antigen BUD peptide connected with a carrier, wherein an amino acid sequence of the antigen BUD peptide is SEQ ID No. 2 in a sequence table. The invention further provides corresponding immunogenic composition and pharmaceutical composition, and application of the immunogenic composition and the pharmaceutical composition to the preparation of a medicine for controlling tick breeding. After recombinant protein pGEX-4T-1+BUD is immunized, a comprehensive evaluation result shows that gene engineering vaccine can effectively influence the development of ticks and the quantity of the ticks is extremely reduced.