50results about How to "Break the balance" patented technology

The invention relates to a construction technology for allowing a tunnel to pass through a karst cave, and in particular relates to a construction technology for allowing a tunnel to pass through an ultra-large karst cave. The technology at least comprises the following steps of: 1) performing simple bridge treatment on the underground part of the karst cave; 2) performing primary support, namelyarranging a support wall at one side of the karst cave; 3) forming parallel guide holes; 4) performing bottom treatment; 5) treating the tunnel hole body at the inlet section of the karst cave; 6) filling C25 early strength sprayed concrete within 1 meter at the top of the support wall, and arranging phi 50 small grouting conduits with the lengths of 3 meters in the concrete, wherein the distancebetween the small conduits is 1.5 meters; 7) supporting the arch part and the side wall surrounding rock of the karst cave by adopting phi 22 cartridge anchor rods arranged in a plum blossom shape and at a distance of 150cm*150cm, hanging phi6 reinforcing meshes at a distance of 15cm*15cm, and spraying C25 early strength concrete with the thickness of 15 centimeters; 8) treating the accumulation of the karst cave; and 9) monitoring and measuring when the tunnel passes through the ultra-large karst cave. The construction technology for allowing the tunnel to pass through the ultra-large karst cave is simple in process, convenient for construction, low in cost, scientific, effective, energy-saving and environmentally-friendly.

The invention belongs to the field of biological gene engineering. A chilo venosatus walker ecdysis regulation transcription factor CsHR3 contains sequences shown by SEQ ID NO.1 and SEQ ID NO.2. The cloning method provided by the invention comprises the following steps of: extracting total RNA (ribonucleic acid) from chilo venosatus walker larvas in prepupal period, and carrying out reverse transcription to synthesize cDNA; designing a degenerate primer according to conserved sequences of different lepidopterous insect ecdysis regulation transcription factors, carrying out PCR (polymerase chain reaction) amplification on the intermediate segment of the chilo venosatus walker CsHR3 gene, designing a specific primer by adopting 3'-RACE (rapid-amplification of cDNA ends) technology, and then obtaining the 1266bp segment of the CsHR3 gene successfully. According to the invention, dsRNA is expressed in RNaseIII defective escherichia coli HT 115 by adopting a bacterium mediate RNAi technology to obtain dsRNA with biological activity, and the chilo venosatus walker ecdysis regulation transcription factor CsHR3 gene is silenced by feeding the chilo venosatus walker larvas, thus chilo venosatus walker can not complete ecdysis or normal growth and development process of the chilo venosatus walker is destroyed and biological prevention and control on the chilo venosatus walker is realized; or the chilo venosatus walker ecdysis regulation transcription factor is converted into a crop, and the crop with insect resistance is obtained.

The invention relates to a construction technology for allowing a tunnel to pass through a karst cave, and in particular relates to a construction technology for allowing a tunnel to pass through an ultra-large karst cave. The technology at least comprises the following steps of: 1) performing simple bridge treatment on the underground part of the karst cave; 2) performing primary support, namely arranging a support wall at one side of the karst cave; 3) forming parallel guide holes; 4) performing bottom treatment; 5) treating the tunnel hole body at the inlet section of the karst cave; 6) filling C25 early strength sprayed concrete within 1 meter at the top of the support wall, and arranging phi 50 small grouting conduits with the lengths of 3 meters in the concrete, wherein the distance between the small conduits is 1.5 meters; 7) supporting the arch part and the side wall surrounding rock of the karst cave by adopting phi 22 cartridge anchor rods arranged in a plum blossom shape and at a distance of 150cm*150cm, hanging phi6 reinforcing meshes at a distance of 15cm*15cm, and spraying C25 early strength concrete with the thickness of 15 centimeters; 8) treating the accumulation of the karst cave; and 9) monitoring and measuring when the tunnel passes through the ultra-large karst cave. The construction technology for allowing the tunnel to pass through the ultra-large karst cave is simple in process, convenient for construction, low in cost, scientific, effective, energy-saving and environmentally-friendly.

The invention relates to a preparation method and product of fish skin gelatin, and belongs to the technical field of biological extraction. The preparation method comprises nine processes of pretreatment, degreasing, washing and draining, microwave pretreatment, liquid nitrogen quick freezing, rapid thawing, gelatin extraction, filtration and drying. In the preparation method, the microwave pretreatment and the liquid nitrogen rapid freezing and thawing are combined to induce gelatinization of fish skin, and after a fish skin raw material is gelatinized, hot water can be used for gelatin extraction only by water thawing. Compared with traditional acid and alkali processes, the preparation method is not treated with any acid or alkali, the degree of pollution to the environment is almost zero, and the environmental pressure of gelatin production can be greatly reduced; and the method is simple in process, easy to operate, low in equipment requirements and suitable for industrial production. The fish skin gelatin produced by the preparation method is a light yellow transparent sheet-shaped object, the gelatin yield reaches as high as 16-18% (g / g wet basis materials), and the physical and chemical properties all meet the standard of GB 6783-2013 (food additive gelatin).

The invention was involved in the method to dissolve sulphating roasting slag of sulfureous gold ore by acid . The steps consist of the following: a) 20%-80% acid, roasting slag and lacquer solvent were added into the reactor and was mixed. The mass percent of acid and roasting slag was 1 to 1-15 and the mass percent of lacquer solvent and roasting slag was 1 to 1-100. b) All the materials were reacted for 1-6h at 60-120deg.C. c) Gold and silver were extracted by traditional method from filter residue. Extracted rate of ferrum in roasting slag was 1 fold more than traditional method under same temperature, time and concentration of acid solution .The method promoted extract of gold in the cyaniding technology and the efficiency was improved by 3%-4%.

The invention discloses a treatment method for inhibiting browning in a dehydration process of pteridium aquilinum and relates to the technical field of processing of the pteridium aquilinum. The treatment method comprises the steps of (1) material selection; (2) cleaning; and (3) dehydrating and drying treatment. By firstly adopting hot air drying and then adopting microwave drying, capillary bound water and adsorption bound water in the pteridium aquilinum can be effectively removed, and the dehydration efficiency can be improved; and a grape seed polyphenol solution is adopted for carrying out soaking treatment, and grape seed polyphenol can enter the interior of the pteridium aquilinum so as to dispel oxygen contained in the pteridium aquilinum and reduce the activity of polyphenol oxidase. As grape seed polyphenol can quickly enter the interior of the pteridium aquilinum to reduce the activity of polyphenol oxidase, by adopting a grape seed polyphenol solution with relatively low temperature for soaking, the surface temperature of the pteridium aquilinum can be reduced to a certain extent; and furthermore, grape seed polyphenol in the pteridium aquilinum can be supplemented so as to reduce the activity of polyphenol oxidase and further inhibit the browning of the pteridium aquilinum.

A TaWN film used as the barrier material of copper interconnection contains W (13.6-22.7 Wt%), N (9) and Ta (rest). Its advantages are high adhesion and high power to resist against electronic migration.

The invention provides a human laryngeal epithelium cancer cell HEp-2-NS1 with a preservation number (China Center for Type Culture Collection) CCTCC NO: C201092. The human laryngeal epithelium cancer cell can inhibit interferon and can be rapidly propagated. The invention also provides a preparation method and application of the human laryngeal epithelium cancer cell.

The invention belongs to the field of biological gene engineering. A chilo venosatus walker ecdysis regulation transcription factor CsHR3 contains sequences shown by SEQ ID NO.1 and SEQ ID NO.2. The cloning method provided by the invention comprises the following steps of: extracting total RNA (ribonucleic acid) from chilo venosatus walker larvas in prepupal period, and carrying out reverse transcription to synthesize cDNA; designing a degenerate primer according to conserved sequences of different lepidopterous insect ecdysis regulation transcription factors, carrying out PCR (polymerase chain reaction) amplification on the intermediate segment of the chilo venosatus walker CsHR3 gene, designing a specific primer by adopting 3'-RACE (rapid-amplification of cDNA ends) technology, and then obtaining the 1266bp segment of the CsHR3 gene successfully. According to the invention, dsRNA is expressed in RNaseIII defective escherichia coli HT 115 by adopting a bacterium mediate RNAi technology to obtain dsRNA with biological activity, and the chilo venosatus walker ecdysis regulation transcription factor CsHR3 gene is silenced by feeding the chilo venosatus walker larvas, thus chilo venosatus walker can not complete ecdysis or normal growth and development process of the chilo venosatus walker is destroyed and biological prevention and control on the chilo venosatus walker is realized; or the chilo venosatus walker ecdysis regulation transcription factor is converted into a crop, and the crop with insect resistance is obtained.

The invention relates to a conveying automatic loose sorting device which comprises a mounting plate; mounting plate is fixedly provided with a drive device and a rubbing assembly connected with the drive device; the rubbing assembly comprises a first rubbing plate and a second rubbing plate; the first rubbing plate and the second rubbing plate are fixed on two different line track sliders respectively; the line rail sliders are connected with linear guide rails respectively; the two wire track sliders are connected with each other through a swing arm; one and only one of the two line rail sliders is connected with one end of a line rail slider connecting rod, and the other end of the connecting rod is connected with an eccentric block; the drive device drives the eccentric block and the connecting rod to move to enable the linear rail sliders to move on the linear guide rails respectively; and the first rubbing plate and the second rubbing plate perform rubbing through the swing arm along with the linear rail sliders respectively. For the conveying automatic loose sorting device provided by the invention, by driving the two rubbing plates by the drive motor to perform rubbing backand forth, the rubbing action is realized to break through the balance of objects on a conveying line, and the objects are prevented from forming jamming and blockage at a discharge hole, so that thepurpose of sorting is achieved, convenience is provided to object detection at a rear section, and manual detection is replaced.

The invention relates to the technical field of arthritis treatment equipment, and discloses an arthritis physiotherapy device beneficial to full absorption of liquid medicines on surface. The devicecomprises a sleeve, the lower end of a rotary drum is connected to a first rectangular magnetic block, the inner side of the upper end of the rotary drum is connected to a U-shaped magnet, a piston isconnected into a medicine conveying device, the lower end of the piston is connected to a U-shaped rod, the outer end of the U-shaped rod is connected to a transverse plate, and the lower end of thetransverse plate is connected to a second rectangular magnetic block. The liquid medicines are magnetized through magnetic induction lines between drums; the magnetic field intensities generated by coils on the left side and the right side of the rotary drum are different, the coils drive the rotary drum to rotate in a sliding groove, and the magnetic induction lines between first rectangular magnetic block sets at the inner end of the rotary drum rotate around the joints of the human body, so that molecules in the human body and liquid medicine molecules can be magnetized in horizontal and vertical magnetic fields no matter how the molecules and the liquid medicine molecules move. By means of the structure, the problems that existing arthritis physiotherapy devices are poor in liquid medicine permeation and long in physiotherapy time are solved.

The invention belongs to the technical field of machining of cylinder heads of motorcycles, and particularly relates to a floating head pressing plate pressing head device with an adjustable interval. The floating head pressing plate pressing head device comprises a connection rod, a power shaft and two balancing stands, wherein each balancing stand is of a cuboid structure; the center of the inner side surface of each balancing stand is provided with a threaded hole; the connection rod is of a cylindrical structure; the two ends of the connection rod are connected with the threaded holes through threads; the middle part of the connection rod is provided with a clamping groove along the peripheral direction; the bottom end of the power rod extends into the clamping groove and is matched with the clamping groove to form a bulb pair; and the two ends of each balancing stand are symmetrically provided with pressing heads. The floating head pressing plate pressing head device has the beneficial effects that the structure is simple; the operation for adjusting the interval between the pressing heads is convenient; the adjusting range is small, so that balance among the pressing heads is prevented from being damaged; pressing balance is realized among the pressing heads; and the machining quality of a product is improved.