73results about How to "Reduce damage effect" patented technology

The invention discloses a radiation cross-linking waterproof flame retardant polyolefin nano-composite material and a preparation method thereof and is characterized in that 0.5-5 parts of inflaming retardant synergist is added to 75-80 parts of polyolefin according to the mass ratio, mixed fully at 140-200DEG C, then 20-25 parts of nitrogen and phosphorous mixed expandable flame retardant, 0.5-5 parts of multi-functional group cross-linking agent and 0.1-1 part of antioxidant are added, after being fully mixed, a radiation cross-linking material is extruded and granulated, then the material is extruded and coated on a conductor wire core of a wire or a cable, or is pressed into plates in a forming machine, and finally, a high energy electron beam or a cobalt source is used for radiation cross-linking in 80-240KGy; and the prepared cross-linking polyolefin nano-composite material has good flame retardant property, excellent mechanical property, good waterproof property and good processing property, can be widely applied to wires and cables and transmission belts and can be applied as insulation, sealing and mechanical protection layers of electronic components and metal pipelines, and has good application prospect.

A friction stir welding tool includes an integral shank-pin unit and a shoulder attached to the shank-pin unit.

The present invention discloses a cigarette containing Chinese herbal medicine additives and a making method. The cigarette uses salvia, peony peel, balloonflower, rhubarb and Thunberg fritillary bulb as raw materials, which are purified through different extraction solvents and methods according to the different characteristics of the Chinese herbal medicines. Then, the Chinese herbal medicines are prepared with essences and flavors according to proportions and are added in cut tobaccos. And a cigarette is made. The formula and the making method of the present invention are unique, which can obviously reduce the content of free radicals in cigarette smoke and decrease and release the damages on the myocardial ischemia and the hypoxia caused by smoking.

The invention provides an infrared pulse laser-induced jet generator at least comprising an optical fiber, a connector, a casing, an inner guide tube, and a needle. The casing is tubular. The needle is fixedly mounted at the bottom of the casing. The upper portion of the casing is provided with a water inlet. The lower portion of the casing is provided with a water outlet. The water inlet and the water outlet are arranged on two sides of the casing respectively. A spacer is arranged inside the casing and disposed at the top of the casing. The spacer and the sidewall of the casing form a mounting cavity. The connector is disposed inside the mounting cavity. A rubber block is arranged between the connector and the spacer. One end of the optical fiber is connected with an infrared pulse laser, and the other end of the optical fiber penetrates the connector, the rubber block and a through hole of the spacer, enters the inner guide tube and extends below a bubble projection. The infrared pulse laser-induced jet generator has the advantages that thrombolytic drug is precisely delivered to a lesion part and even inside of the lesion part, little drug is used, thrombolysis is efficient, and the generator is safe and reliable.

The invention discloses a feed additive for preventing lactation-period-calf diarrhea and an application method thereof. According to the feed additive, natural astaxanthin, sodium humate, beta-hydroxyl-beta-methylbutyric acid, glutamine, xylooligosaccharide and a Chinese herbal medicine additive (agrimonia pilosa ledeb, honeysuckle, Chinese pulsatilla roots, hawthorns, pomegranate bark, talc andlicorice roots) are compounded, the balance of gastrointestinal flora of lactation-period calves is conditioned, development of gastrointestinal mucosa is promoted, the damage and influence of pathogens and unfavorable factors on the calves are reduced, digestion and absorption of nutritional ingredients are increased, the body immunity is improved, the suffered oxidation stress and oxidative damage are relieved, the anti-stress ability is improved, and therefore the aims that occurrence of lactation-period-calf diarrhea is avoided, absorption of feed nutrients is promoted, and the health level and production performance of the calves are improved are achieved.

The invention provides an attenuated vector bacterium of salmonella choleraesuls and a construction method of the attenuated vector bacterium and belongs to the technical field of animal bacterium genetic engineering. The attenuated vector bacterium is C78-3 salmonella choleraesuls without deltamanA, deltacrp::TT araC PBAD, deltarelA:: araC PBAD lacI TT, deltasoB and deltaasdA genes and is named as rSC0016. The method for taking a suicide vector without a resistance marker as a salmonella choleraesuls constructing vector is adopted and the utilization of the vector marked with antibiotics can be avoided; the vector can be safely used in clinical practice; furthermore, a balanced lethal system carries an exogenous antigen and can guarantee that only vaccine strains carrying the exogenous antigen can be used for producing vaccines and enter a host and survive, so that the immunity efficiency of the vaccines is improved.

The invention belongs to the technical field of thermoplastic elastomer materials, and particularly relates to a flame-retardant electromagnetic shielding thermoplastic elastomer nanometer composite material, which comprises, by mass, 55-70 parts of a thermoplastic elastomer, 0.5-5 parts of electric-conductive graphene, 0-5 parts of nanometer metal silver powder, 10-15 parts of a halogen-free flame retardant, 20-25 parts of superconducting carbon black, and 0.1-1 part of an antioxidant. Compared with the material in the prior art, the material of the invention has the following characteristicsthat the compounding system of electric-conductive graphene, nanometer metal silver powder and superconducting carbon black, and the composite microencapsulated halogen-free flame retardant nitrogenand phosphorus flame retardant are used in thermoplastic elastomers so as to improve the electrical conductivity of the material, improve the electromagnetic shielding performance of the thermoplasticelastomer, and overcome the shortcomings of poor electromagnetic shielding performance, low mechanical property, easy combustion and the like of the conventional thermoplastic elastomer. The invention further discloses a preparation method of the flame-retardant electromagnetic shielding thermoplastic elastomer nanometer composite material.

The invention discloses a pressure retaining valve with an automatic water-drain pollution-discharge function. The pressure retaining valve comprises a valve body, a valve chamber, a plug at the bottom end of the valve body, and a valve rod, wherein an inlet connection head is arranged at the top end of the valve chamber, an end seal is arranged between an inlet and the inlet connection head, and the inlet is communicated with the valve chamber; the lower end of the valve rod penetrates through a guide hole in the center of the plug, and a seal disc is arranged at the upper end of the valve rod and corresponds to the inlet; the seal disc is larger than the inlet and is smaller than the inner diameter of the inlet connection head and plays a role of opening and closing the inlet, and a pressure spring is sheathed on the valve rod between the seal disc and the plug; and a discharge port through which the valve chamber is communicated with the outside is formed in the plug. A connection thread is arranged on the outer side of the inlet connection head, and the valve rod is a rubber-vulcanized rod. A rubber sealing layer is arranged on the sealing surface of the upper end of the seal disc on the upper end of the valve rod, and the plug is in threaded connection with the valve body. A hexagonal adjustable head is arranged at the lower end of the plug. The pressure retaining valve can effectively replace the functions of original water drain valves and unloading valves, can realize automatic water drain and pollution discharge of energy storage devices, and reduces the damage effect of hot and humid air sources on the whole system.

The invention provides animal models and clinical trials for assessing agents for potential use in treating and effecting prophylaxis stroke and other neurological diseases, particularly those mediated at least in part by excitoxitity. The invention also provides preferred dosage and infusion regimes and pharmaceutical compositions for clinical application of such agents.

The invention provides a detection circuit suitable for the on-line temperature of a high-voltage solid-state soft starter, belonging to the technical field of the starting of a high-voltage motor, and mainly aiming at solving the problem that the existing temperature protection technology only sets the every-time starting time interval to realize the temperature protection of a thyristor and can not meet the field demand. The circuit is mainly characterized by comprising a high voltage-side detection circuit which is formed by the means that a temperature signal acquisition circuit, a voltage amplifier circuit, a voltage/frequency switching circuit and an optic fiber transmitting circuit are sequentially connected with one another, and a low voltage-side switching circuit which is formed by the means that an optic fiber receiving circuit and a frequency/voltage switching circuit are sequentially connected with each other; and the optic fiber transmitting circuit in the high voltage-side detection circuit is connected with the optic fiber receiving circuit of the low voltage-side switching circuit by an optic fiber. The detection circuit is higher in cost performance, a V/F (voltage/frequency) optic fiber transmission system of the detection circuit has the characteristics of being long in distance, anti-jamming, high in linear precision, good in performance and the like, and the detection circuit is mainly used for the on-line temperature of the thyristor in high-voltage starter starting equipment.

The present invention is the use of anthraglucorhein in preparing medicine for treating ischemic cerebral vascular diseases. The treatment of experiment data with statistic software SPSS10.0 shows that anthraglucorhein and chrysophanic aglycon can improve the nerve symptoms of ischemic cerebral injury obviously, lower the water content of cerebral tissue, reduce pathologic picture blood and lower calcium ion content in cerebral tissue. The free radical activity determination of serum and cerebral tissue shows that anthraglucorhein and chrysophanic aglycon can protect cerebral tissue against injury, raise the level of protective cell factor and lower the level of injurious cell factor. The present invention lays the foundation for clinic treatment of ischemic cerebral vascular disease and thrombosis related diseases.

A tea bag with a blood fat reducing action is formed by mixing, smashing and packaging green tea, ampelopsis grossedentata leaves, golden camellia and three-nerved spicebush leaves. The ampelopsis grossedentata leaves, golden camellia and three-nerved spicebush leaves can reduce TC, TG, and LDL-C levels of serum and increase HDL-C level of the serum, the ampelopsis grossedentata leaves can also improve serum SOD activity, reduce a liver coefficient and relieve a damage action of high fat to liver cells. The three-nerved spicebush leaves can reduce an arteriosclerosis index AI, a fat coefficient and body weight and relieve fatty degeneration degree of the liver, and lipid droplet formation in the HpeG2 cells is obviously reduced. The ampelopsis grossedentata leaves, golden camellia and three-nerved spicebush leaves coordinately act and are superior to single ampelopsis grossedentata leaf general flavone, single golden camellia total polysaccharide extract and single three-nerved spicebush leaf general flavone in the blood fat reducing effect and has more comprehensive preventing action agaisnt blood fat and blood fat-reducing effect.

The invention discloses a method for changing the ultrastructure of a cell by using focused ultrasound, which belongs to the fields of biology and ultrasonics. The method comprises the following steps: (1) carrying out ultrasonic cavitation on the cell: a, digesting and treating the cell with pancreatin and discarding supernatant; b, adding a DMEM medium and micro bubbles of an ultrasonic contrast medium and putting an obtained cell mixed liquid in a sealed tube; and c, employing a coaxial focused ultrasound transmitting apparatus, placing a focused ultrasound energy transducer at the bottom of the apparatus and installing the sealed tube filled with the cell mixed liquid on a fixator located at the top of the apparatus, wherein the focused ultrasound energy transducer and the sealed tube are guaranteed to be coaxial and the distance between the focused ultrasound energy transducer and the sealed tube can be continuously adjusted; and (2) observing changing of the surface microstructure of the cell strain under the action of ultrasound by using an electron microscope. The method can increase gaps in the surface of the cell through the ultrasonic cavitation effect.

The invention discloses a flow guider with a self-protection characteristic. The flow guider with the self-protection characteristic comprises a metal frame and a panel, wherein a flow guide profile is formed on the metal frame, and the panel covers the flow guide profile. The flow guider with the self-protection characteristic is characterized in that a water box and a water pump are arranged inthe metal frame; a plurality of water outlet holes are formed in the panel; a water inlet port of the water pump communicates with the water box; and the plurality of water outlet holes communicate with a water outlet port of the water pump through a pipeline separately. The flow guider with the self-protection characteristic is capable of effectively lowering a temperature of scouring a flow guide surface by a wake flow of a rocket, reducing an ablation effect of the temperature of the wake flow on a nonmetal protection panel, and effectively alleviating the impact damage of granular gas flowresidues on the nonmetal protection panel.

A ferroelectric capacitor including a bottom electrode which has a projecting portion, a top electrode, a ferroelectric layer and a dielectric layer formed between the bottom electrode and the top electrode. The dielectric layer is formed on a peripheral area of the bottom electrode. The ferroelectric layer is formed on the dielectric layer and on the projecting portion of the bottom electrode. As a result, a damaged layer which is formed during an etching process occurs at the ineffective area of the ferroelectric capacitor.

The invention relates o a laser processing machine (11) with a laser processing head (12), with a support grate (16) that defines a support plane (A) for supporting a workpiece (8) to be processed, with a fluid supply device (21) and with a fluid removal device (31). The fluid supply device (21) and fluid removal device (31) are designed to generate a fluid flow (27) under the support plane (A) of the support grate (16). The fluid supply device (21) can be moved with the laser processing head (12).

The invention relates to a galvanic cell (1, 10) which comprises an electrode stack (5). Said stack comprises at least one especially flat anode electrode (2), at least one especially flat cathode electrode (3), and at least one especially flat separator (4) which is interposed between said electrodes (3, 4). The invention is characterized in that the outer contour of the separator (4) has at least one cut-out section (42a, 42b) which is offset inwards with respect to said outer contour.

The invention provides an external-use traditional Chinese medicine composition patch for treating diarrhea, preparation and application of the patch. A traditional Chinese medicine composition comprises flos caryophyllata, rhizoma atractylodis, rhizoma atractylodis macrocephalae, amomum kravanh, fructus amomi, radix aucklandiae, parched hawthorn fruits, gordon euryale seeds, poria cocos, rhizomadioscoreae, coix seeds, semen raphani and Chinese gall. The medicine composition is strict, and an internal illness is treated by external treatment. All the medicines cooperate and supplement one another, and the benefit is achieved through association. The patch has the functions of invigorating the spleen, supplementing qi, warming middle-Jiao, tonifying deficiency and checking diarrhea. The patch is low in cost, free of toxic or side effect and convenient to use, both principal and secondary aspects of diseases are treated, the diseases are treated, and meanwhile the organism immunity canbe improved.

The invention relates to a heterojunction solar cell and a preparation method thereof, and belongs to the technical field of solar cell manufacturing. Comprising a crystalline silicon substrate, and a front intrinsic amorphous silicon layer, an N-type doped layer, a front TCO layer and a front metal electrode are sequentially deposited on the front surface of the crystalline silicon substrate; a back intrinsic amorphous silicon layer, a P-type doped layer, a back TCO layer and a back metal electrode are sequentially deposited on the back of the crystalline silicon substrate, and a functional film containing a down-conversion fluorescent material covers a fine gate electrode in the front metal electrode and the front TCO layer which is not shielded by the metal electrode. By introducing the functional film containing the down-conversion fluorescent material, photons in a short-wave region which cannot be utilized by a solar cell can be converted into photon energy matched with spectral response of the photons, namely photons below 400nm are absorbed and converted into low-energy photons of 400-1100nm, so that absorption and utilization of the cell to sunlight are promoted, and the conversion efficiency of the solar cell is improved. The conversion efficiency of the heterojunction solar cell is improved, and the damage effect of part of ultraviolet light on the cell is weakened.

The invention discloses an intercepting and recycling device for a high-speed water entry model test, and belongs to the technical field of high-speed water entry tests of underwater vehicles. Comprising an intercepting frame, an intercepting plate frame, an intercepting plate and an intercepting plate angle adjusting device. The intercepting frame is of a frame structure, the intercepting plate frame is a rectangular frame, the two ends of the intercepting plate frame are connected into the intercepting frame through intercepting plate angle adjusting devices and rotating round pipes and can rotate relatively, an intercepting plate is embedded in the intercepting plate frame, two layers of intercepting plates are fixed right in front of the front side end face of the intercepting plate frame in parallel, and a layer of intercepting plate is fixed right behind the rear side end face of the intercepting plate frame in parallel. The two rotating circular pipes are vertically fixed to the middles of the two sides of the intercepting plate frame correspondingly; the angle of the intercepting frame is adjusted by adjusting the screwing-in length of an angle adjusting rod in the intercepting plate angle adjusting device. According to the device, the underwater model can be effectively intercepted and recycled, it is guaranteed that the main body structure of the model is not damaged, and the device is simple in structure and easy to use.

The invention relates to a clinical nutrient formulation special for pediatric lead removal. The clinical nutrient formulation comprises 25-30 parts of protein, 0.2-2 parts of fat, 48-55 parts of carbohydrate, 8-12 parts of dietary fiber, 0.3-0.8 part of macroelement, 0.1-0.25 part of trace element, 0.01-0.05 part of lipid-soluble vitamin, 0.15-0.3 part of water-soluble vitamin, 0.4-5 parts of dietary essence, 0.3-2.5 parts of medicinal and edible ingredient and 0.2-0.5 part of new resource food. The invention further relates to a preparation method of the clinical nutrient formulation. On thebasis of lead accumulation in infant bodies, special nutrients like the medicinal and edible ingredient, the dietary essence and the new resource food having efficacy of resisting radiation, discharging lead and enhancing immunity are added, proportion of the special nutrients is adjusted to be matched with basic nutrients for synergism, and nutrients needed daily by infants are supplemented comprehensively; the nutrient formulation is easier for the infants to digest and absorb, efficacy of the components is brought into full play, lead poisoning of the infants is prevented effectively, discharging of excessive lead in bodies is promoted, and healthy physical and mental growth of the infants is ensured.

The invention relates to application of beta-nicotinamide mononucleotide (NMN) in the preparation of a medicament for treatment and / or prevention of organ damage caused by sepsis. The invention discloses a novel application of the beta-NMN. The beta-NMN has treatment and prevention protection effects on multiple organ damage caused by sepsis, thereby providing a novel treatment means and a noveltreatment way for diseases in related fields, moreover, the beta-NMN is easily soluble in water, has strong universality and operability, and can be administered in various ways.