189results about How to "Do no harm" patented technology

The invention discloses a liquid formulation containing imidacloprid for trunk injection, which comprises (by weight ratio) the following raw materials, imidacloprid 1.0-8.0%, insecticidal agent 0.01-15.0%, surface active agent 1-10%, and balancing solvent. The agent is applied mainly through dry injection method and can be use for controlling various insects on trees.

The invention discloses a Chinese medicinal health-care spirit prepared by soaking Chinese medicinal herbs into white spirit. The Chinese medicinal herbs comprise astragalus root, ginseng, American ginseng, prepared rehmannia root, angelica, Sichuan lovage rhizome, wild jujube seeds, fructus cnidii, epimedium, morinda officinalis, cistanche salsa, salvia miltiorrhiza, uncaria, tall gastrodia tuber, apocynum venetum, cassia seeds, kudzuvine root, Chinese wolfberry, haw, licorice, yam, mulberry, chrysanthemum, polygonatum kingianum, longan pulp, angelica dahurica, polygonatum odoratum and the like. The Chinese medicinal health-care spirit is safe and green health-care spirit, has an obvious effect of reducing blood sugar, blood pressure and blood fat, avoids relapse after healing, has an obvious prevention and treatment effect on three-high symptoms such as headache, fullness in head, dizziness, palpitation and diabetes as well as hand and foot pains, weakness, numbness and the like, and can be used for effectively reinforcing the sexuality; and by feeling the mouthfeel of the Chinese medicinal health-care spirit, a patient can monitor self and control own disease, and the best health state of the patient can be kept, so that the disease is extremely convenient to master.

The invention relates to a double-layer composite plastic foaming sheet with a soft surface and a formation method thereof and pertains to the field of building materials. The foaming sheet comprises two layers of a soft surface layer and a hard bottom layer, which are both foaming bodies and have the thickness of 2 to 10 mm. The formation method comprises the steps of proportioning, material blending, extrusion by extruders, die formation, pre-cooling, etc., in sequence, and is characterized in that materials of the soft surface layer and the hard bottom layer are first respectively blended to be added into two extruders which are connected with each other by an intermediate connector and a composite die, the step of formation is followed by pre-cooling; wherein, the composite die adopts double runners, a runner of the hard bottom layer is parallel to a composite area at a die orifice while a runner of the soft surface layer forms an angle of 30 to 45 degrees with the runner of the hard bottom layer near the composite area; in addition, the length of a composite straight section of the composite area is 20 to 30 mm. The double-layer composite plastic foaming sheet provided by the invention can ensure more safety with the bottom layer serving for support; the two layers are combined through bonding force and compatibility between molecules of the materials of the two layers and the composite plastic foaming sheet can be formed by a one-off extrusion.

The invention relates to a high-strength temporary blocking agent for oil and gas wells and a preparation method and application thereof. The temporary blocking agent for oil and gas wells is prepared from the following ingredients through crosslinking reaction: thickening agent, dispersing agent, adhesive and a temperature resistant material with mass ratio of (2.5-3):(1.3-2):(2.8-3):(1.7-2), preferentially, 3:2:3:2. The temporary blocking agent for oil and gas wells has the advantages of high strength, filter cake formation, good solubility and controllable time, flowback is facilitated and the method is simple to operate.

The invention relates to a method for producing a urea formaldehyde controlled-release compound fertilizer, belongs to the technical field of fertilizer manufacture, and aims to produce the finished fertilizer product by adding a certain amount of potassic fertilizer, phosphatic fertilizer and catalyst in the process of producing a urea formaldehyde controlled-release fertilizer, further reacting in the existence of strong acid to synthesize urea formaldehyde compound fertilizer slurry, spraying granulation, screening and cooling. The dosage of the catalyst is 0.2-2 percent of the total mass of urea; copper sulfate pentahydrate, zinc sulfate heptahydrate, borax and other raw materials are added in the reacting process, and the requirement of crops on medium trace nutritional elements can be met. The method has the advantages of simple operation process, flexible production, low cost and the like, and the product is comprehensive in nutrition and has the characteristics of uniform and full particles, high strength and nutrition, adjustable controlled-release property and the like. Therefore, the method has great advantages on production process and economy.

The invention relates to a heat-insulating layer of a rare earth complex wall body and the manufacturing method of heat-insulating layer material, which belongs to the field of architectural materials. The invention is characterized in that the process for preparation comprises mixing rare earth rubber powder by weight ratio that rubber powder: water = 1:1 to 1.5, adding polyphenyl particles into material which is mixed, the proportion is that rubber powder: EPS particles = 1 kg: 8 L, continuously mixing for 5-10 min to make rare earth rubber powder EPS particle heat-insulating material, mixing rare earth trowel finish sand with water according to the proportion that rare earth trowel finish sand: water = 1: 1 into slurry, making rare earth trowel finish sand slurry, and brushing rare earth rubber powder EPS particle heat-insulating material, trowel finish sand slurry, standard net cloth, rare earth trowel finish sand slurry, flexible putty and face coat on the base layer of the wall body in turn. The invention has good heat-insulating property, strong binding power, high compression strength, good water resistance and flame proof, which is antiseptic, noncorrosive, nontoxic, tasteless and pollution-free, has the function of absorbing ultraviolet ray and infrared ray, and has quick coagulate speed, rapid increase of the strength of materials, and the construction procedure is rapid, timesaving and laborsaving.

The invention discloses an environment-friendly crosslinking and gelling retarding profile control agent and a preparation method thereof and belongs to the field of enhanced oil recovery technologies for oilfields. The profile control agent comprises a primary agent, i.e. hydrophobic association, a crosslinking agent, i.e. aluminum citrate, an antioxidant, i.e. sodium sulfite, and a retarding agent, i.e. sodium malate, and contains all the ingredients in percentage by weight: 0.1-0.4% of hydrophobic association, 0.01-0.02% of aluminum citrate, 0.015-0.025% of sodium sulfite, 0.005-0.020% of sodium malate and the balance of water. The profile control agent disclosed by the invention has the characteristics that the profile control agent is environment-friendly and is free of damage/injury to environments/human bodies; the crosslinking is retarded, and the gelling time is prolonged, thereby being beneficial to high-dose injection and deep profile control; the plugging rate is high; and the profile control agent has certain temperature-resistant and salt-tolerant performance and scouring resistance. The profile control agent can be used for adjusting a water absorption profile of a water-flood well and improving the water-flood development effect of oilfields.

The invention discloses a method for preparing room-temperature fast-curing addition organic silicon rubber. The method is characterized by comprising the following steps of: firstly, burdening the following ingredients in portions by weight: 15-40 portions of ethylene oil, 2-30 portions of white carbon black, 1-20 portions of silicon gel, 0.1-5 portions of hydroxy silicone oil, 15-60 portions of methyl vinyl silicone rubber and 10-40 portions of liquid paraffin; then adding the ingredients to a reactor provided with a stainless steel stirring paddle, a motor and a heating system, uniformly mixing at the normal temperature, heating up and banburying for 1-3 hours; evacuating for 0.5-1.5 hours, discharging and filtering; and dividing a base rubber obtained after the filtering into two portions, respectively adding a platinum catalyst and hydrogen-containing silicone oil, and uniformly mixing to realize the fast curing. The invention has the advantages of simple process, room-temperature fast curing and the like.

The invention relates to a bacillus subtilis for preventing and controlling Chinese herbal medicine soil-borne diseases and a preparation method of a bactericide thereof, in particular to a bacillus subtilis and a preparation method of the bactericide thereof. The bacillus subtilis X1 for controlling the Chinese herbal medicine soil-borne diseases is Bacillus with a preservation number of CGMCC No.4037 and a preservation date of 26th, July 2010. The bactericide is prepared by the following steps: inoculating an activated strain to a NYD fluid nutrient medium for enrichment culture to obtain a sterilized solution with 2-4 billion/millimetre in bacterial count concentration. The bacillus subtilis X1 of the invention is a bio-control bacterial strain which is provided with high control effect on the soil-borne diseases and the bactericide can enjoy a prevention rate of 60-80% on the Chinese herbal medicine soil-borne diseases including ginseng root rot, sclerotiniose, North China fritillary sclerotiniose, Schisandra chinensis root rot, seedling blight and the like. The bactericide bio-control preparation is safe and environment-friendly and does not damage drug resistance of nontarget organisms and inductive pathogenic bacteria.

The invention discloses a method for suppressing the interference of a neutral line of a prestack seismic signal based on curvelet transform. The method comprises the following steps of: firstly, performing sparse representation on the seismic signal through curvelet transform; secondly, analyzing all coefficient matrixes to obtain frequency layers and directional ranges in which linear interference and effective signals are respectively located, wherein three cases are disposed as follows: 1, for the frequency layers and the direction in which only the linear interference is located, the corresponding curvelet coefficient is set to be 0; 2, for the frequency layers and the direction in which the effective signals and linear interference coexist, the threshold of the curvelet coefficient is suppressed; and 3, for the frequency layers and the direction in which the linear interference is not located, the coefficient keeps unchanged; and finally, performing curvelet transform to obtain a suppressed prestack seismic signal. By the method, the linear interference can be effectively suppressed, and the damage to the effective signals can be reduced to the greatest extent. Moreover, the method has the advantages of simplicity and rapidness.

Disclosed is a method for clearing pollutant particles on surfaces of a wafer in the CMP technique, the steps of the method comprise leading polishing solution in a chemical mechanical polishing device to perform chemical mechanical polishing on the wafer, stopping leading in the polishing solution, putting acidulous or alkalescent organic substances of which acidity or alkaline is identical to the polishing solution in the chemical mechanical polishing device, and then cleaning the wafer. The method can efficiently remove large-size pollutant particles on the surfaces of the wafer which can not be cleaned after mechanically polishing the wafer in the prior art.

The invention discloses a combustion and explosion suppression system with automatic water curtain, comprising a sensor, a control unit, a water supplying device, a water curtain device and a fast triggering device, the sensor is electrically connected with the control unit, a connecting channel is arranged on the fast triggering device, two ends of the connecting channel are respectively communicated with the water supplying device and the water curtain device; a movable opening device is arranged on the connecting channel and is electrically connected with the control device; the water curtain device comprises at least one water curtain ring, a plurality of injection heads are uniformly arranged on the water curtain ring, and an injection water curtain is formed when in water-spraying, and a plurality of water curtain rings form one water curtain band when in water-spraying, so as to realize to suppress gas or gas dust explosion and spreading by adopting water mist in a coal mine, the reaction speed is rapid, the structure is compact and the manufacturing cost is low, thereby having good combustion an explosion suppression effect, being widely applied to industries such as coal mines, petroleum and chemical industry and powerfully promoting the development of explosion insulation (suppression) in our country.

The present invention relates to a tube ejector on spinning frame with integral doffing device. It mainly includes the following several portions: mobile supporting block, left and right two supporting arms, left and right two supporting legs, tetragonal direction-regulating device, spring sheet and clamp spring. Said invention also provides its working principle and concrete operation method.

The invention discloses a wearable lower limb rehabilitation exoskeleton robot. The robot comprises a waist assembly, two hip joint assemblies, two knee joint assemblies, two ankle joint assemblies, two thigh bandage assemblies and two shank bandage assemblies. According to the robot, lower limbs are divided into hip joints and knee joints for segmented or overall rehabilitation training, and waist, thigh and shank length adjusting and locking mechanisms are arranged, so that the adjustment is flexible, the adaptability is high, and therefore the robot is suitable for 95% of people; the hip joints and the shanks are respectively provided with flat plate type viscoelastic damper self-adjusting mechanisms and cylindrical viscoelastic damper self-adjusting mechanisms, and therefore more patients can have good wearing comfort and rehabilitation training effects; hip joint motor gearbox assemblies and knee joint motor gearbox assemblies are respectively arranged on the rear portion of the waist, so that the motion inertia can be reduced, and the motion precision can be improved; and a patient has high flexibility and comfort in rehabilitation training through rope driving assemblies and rope adjusting and stabilizing mechanisms.

The invention discloses a spatial dilator for endoscopic thyroidectomy. The spatial dilator comprises a sleeve, a push rod capable of telescoping along the axial direction is arranged in the sleeve, a button matched with the push rod and capable of pushing the push rod to telescope is arranged outside the sleeve, the left side of an extending end of the push rod is movably connected with one end of a left connecting rod blade, and the right side of the same is movably connected with a right connecting rod blade. The other ends of the left connecting rod blade and the right connecting rod blade are respectively connected with a left cutter and a right cutter which are movably connected with ends of the sleeve. The other end of the push rod is connected with a handle. By the spatial dilator for endoscopic thyroidectomy, hurt to breast skin of patients is reduced, operation is simplified, and operation time can be effectively shortened.

The invention provides a cultivating method of a parent generation and commodity generation dual auto-sexing male and female meat chicken. According to the cultivating method, three pairs of sex-linkage traits of the chicken dark color shank and the chicken light color shank, the transverse spot feather and the non-transverse spot feather, the quick feather and the slow feather are utilized to design the parent genotype and the hybridization process, in the cultivating process, whether the chicken is male or female can be directly authenticated according to the phenotype of the commodity generation and the parent generation of the chicken, the authentication accuracy of the parent generation can reach up to 99.8%, and the authentication accuracy of the commodity generation can reach up to99.5%. The cultivating method is simple and easy to operate, training special authentication personnel is not needed, a large amount of cost is saved, the authentication speed and the accuracy are high, the chickens are not injured, and the survival rate of the chickens is increased.

The invention provides a biological activator for a compound production promoter used in oil production. Based on the total weight of the biological activator, the biological activator comprises 15 to 30 percent of rhamnolipid, 10 to 30 percent of trehalose glycolipid, 4 to 25 percent of alkyl glycoside, and the balance of water. The biological activator of the invention has a certain water and crude oil solubility and good wettability on the surfaces of oil-containing rocks, can remove an oil film and disperse the crude oil, and possesses a strong crude oil emulsifying capability, and by a cooperation with microorganisms, the biological activator can achieve high applicability, long period of validity and rapid action effect.

The invention provides a bullet for shooting liquid ammunition and a device for shooting liquid ammunition. The bullet for shooting the liquid ammunition comprises a shell, a front end closed piece, a terminal closing piece and liquid ammunition, wherein the end of the shell is provided with an ignition device and propellant powder, the front end of the shell is opened, the front end closing piece is arranged at the opening, the liquid ammunition device is arranged between the propellant powder and the front end closing piece, and the terminal closing piece is arranged between the liquid ammunition and the propellant powder. The bullet and the device shoot liquid ammunition, are applicable to the short-distance shooting, and can cause large impact force on the target so as to restrict the movement of the target. Since the destruction of the liquid ammunition is weak, non-fatal attack is led to the target. At the same time, even being rebounded onto the human body, the liquid ammunition is free from injuring the human body, so the liquid ammunition is difficult to injure people surrounding the target by mistake.