80results about How to "Cause adverse effects" patented technology

The invention relates to a black hole carbon powder cleaning agent combination, wherein, the combination contains surfactant, emulsion dispersant and metal complexing agent that is contained selectively. One sort or a plurality of sorts of anionic surfactant, non-ionic surfactant and complex anionic and non-ionic surfactant is / are taken as the surfactant. The black hole carbon powder cleaning agent combination provided by the invention can effectively remove the black hole carbon powder on the surface of the organic materials (e.g. polyimide film, epoxy adhesive, acrylic resin adhesive and epoxy glass fibre cloth) at the surface of various base materials, e.g. a printed-circuit board without causing any unfavorable influence to the base materials.

The invention discloses a preparation method of a zero-valent nano-iron supported polyacrylonitrile membrane composite material. The preparation method comprises the steps that a polyacrylonitrile membrane composite material supported with a uniform nano-iron layer is prepared through the steps of hydrophilized membrane preparation, functional membrane modification, liquid-phase reduction method and the like. The method is simple in operation and low in cost, the iron supporting amount is remarkable increased, and dissoluble iron ion release and secondary pollution of the iron ions to the environment are greatly reduced. The prepared nanocomposite material has superior reactivity and dispersion stability, meanwhile is easy to recover and regenerate and good in recycling performance, is a novel environmentally friendly material and has very high remediation and degradation performance to simulated dye wastewater, heavy metal wastewater, antibiotics, nitrate and halogenated organic compounds, and industrial production can be achieved.

This invention relates to a method that plating in the outside of the magnesium alloy, the method plating a layer or multilayer metallic film in the surface of the magnesium alloy by using the vacuum plating technology, the technological condition of vacuum plating are: Background vacuum <2.0e-4mbar, the working vacuum 1-3e-3mbar, the quantity of target material 1-3, job power12-15KW, the speed of the chain 15Hz. The metal which can be used as target material metal are one of the following metals that aluminium, copper , chromium , nickel , titanium , cobalt , zinc , vanadium or stainless steel or various. With the method plating in the magnesium alloy, it has abandoned the tradition chemistry plating method, it does not use the six-valence chromium ions in the production process, it is good for the environment, it is one kind of green environmental protection technics.

The invention discloses a liquid filling machine. The liquid filling machine comprises a liquid storage tank, a liquid storage pipe, a pneumatic solenoid valve, a liquid pressure regulation and control device and a plurality of filling heads. The liquid storage tank is connected with a compressed air source through an air delivery pipeline. The pneumatic solenoid valve is arranged on the air delivery pipeline. A liquid outlet of the liquid storage tank is connected with the liquid storage pipe through a liquid delivery pipeline. The liquid pressure regulation and control device is arranged onthe liquid delivery pipeline, provided with a pressure regulation controller and electrically connected with the pneumatic solenoid valve to regulate the filling liquid pressure and control pressure to keep consistent. The liquid filling machine inflates the air into the liquid storage tank through the compressed air source, conducts real-time monitoring through the pressure controller, controls the system liquid pressure through the pressure regulation and control device to remain the liquid pressure within the set range, keeps stable in the filling process all the time and ensures the accuracy and stability of the filling volume. The liquid filling machine is adjustable in filling speed and high in filling efficiency. As the whole system is a closed device, and the adverse influence on the environment during filling is obviously alleviated.

The invention discloses a method for detecting the carotenoid content of tea leaves by a confocal micro-Raman. The method includes the steps: 1) placing a tea leaf sample on a sample table, acquiring Raman spectral information of the tea leaf sample by a Raman spectrometer and performing full-wave band integral compensation; 2) building a linear model by the Raman spectral intensity of 17 characteristic wave numbers; 3) acquiring the corrected spectral intensity of the tea leaf sample to be detected at the 17 characteristic wave numbers, predicting the carotenoid content of the tea leaves by the linear model, and realizing nondestructive and rapid detection of the carotenoid content of the tea leaves. The carotenoid content of the tea leaves can be rapidly and effectively detected in a nondestructive, low-cost and environment-friendly manner without complicated pretreatment and chemical analysis for the tea leaf sample, operation steps are greatly simplified, detection time is shortened, information of carotenoid components in the tea leaves is rapidly acquired, and detection accuracy is improved.

A display panel, a display device, and a terminal device, which can achieve a high image quality by decreasing deterioration of the image quality that may be caused due to combining a reflection plate including an uneven structure with an image distributing device, are provided. The display panel includes a lenticular lens for distributing light emitted from each of pixels towards different directions from each other along an arranging direction (a first direction) of a pixel for displaying an image for a first viewpoint and a pixel for displaying an image for a second viewpoint within a pixel unit, wherein a reflection plate including an uneven structure is formed in each of the pixels, and a layout pattern of the uneven structure on the reflection plate is different to the lenticular lens.

The invention aims at solving the problems that a phosphating film formed by an existing environment-friendly rust removal phosphating agent is loose and is not uniform, provides an environment-friendly rust removal phosphating agent and a preparing and using method thereof, and belongs to the technical field of dust removal and antisepsis. The environment-friendly rust removal phosphating agent comprises chemical components including, by mass percent, 35% to 55% of phosphoric acid, 3% to 10% of dihydric phosphate, 1% to 10% of nitrate, 0.2% to 2% of a compound corrosion inhibitor, 0.5% to 3% of a surface active agent and the balance water, wherein the total amount of the components is 100%. The phosphating agent is friendly to environment, the rust removal phosphating is thorough, the phosphating film has porosity and uniformity, the attaching force of a coating and a bottom material is enhanced, the corrosion resistance to the steel is improved, and the agent is suitable for being applied to steel surface dust removal phosphating.

The invention discloses a mechanical descaling system for a geothermal well, and the mechanical descaling system comprises a derrick, a first fixed pulley, a second fixed pulley, a movable pulley, a winding machine and a well stabbing hammer, wherein the derrick and the winding machine are mounted beside the geothermal well; the first fixed pulley is mounted on the derrick and is located above the movable pulley; the second fixed pulley is mounted on the geothermal well and is located above the geothermal well; one end of a steel wire rope is connected with the upper side of the well stabbing hammer; and the other end of the steel wire rope sequentially passes through the second fixed pulley, the first fixed pulley and the movable pulley and is connected with the power output end of the winding machine. The mechanical descaling system for the geothermal well not only can be used for effectively solving the problem that the scale in the geothermal well is serious, but also is not limited by conditions and scales of the geothermal well; and the size and weight of the well stabbing hammer can be flexibly configured and the application range is wide; and the mechanical descaling system has the advantages of no introduction of chemicals, no pollution to the environment, simple process, fewer equipment and low cost, and is convenient to popularize.

A permanent wave treatment device having a housing (3), a blower (1) installed in the housing and sucking and blowing air, a gas / water separation device (2) for removing moisture from the air sucked by suction force of the blower, an outlet opening (32) formed in the housing and from which air from the blower is blown out, a hood (F) openably attached to the housing, rods (R) around which hair of a person being treated is wound and having air flow holes formed in the rods, tubes (4) connected to the rods and making the pressure inside the rods negative by the suction force of the blower, and a draw-out member (5) by which the tubes are held in a drawable manner.

The invention discloses a nucleic acid aptamer-quantum dot biosensor for detecting and killing salmonella and a preparation method and application thereof, and belongs to the technical field of detection and inactivation of food pathogenic bacteria. The biosensor disclosed by the invention is prepared by connecting a salmonella aptamer Aptamer C marked by quantum dots to the surfaces of Fe3O4 nanoparticles deposited with a polydopamine (PDA) coating; pairing a complementary chain Strand A modified with fluorescein with the Aptamer C, and pairing a complementary chain Strand A modified with fluorescein with the Aptamer C; using the Fe3O4 nano particles connected with the Aptamer C and the Srand A for detecting the salmonella. The detection sensitivity of the biosensor is 10 CFU / 100 g, the detection range is 10-10< 4 > CFU / 100 g, and the biosensor has good sensitivity and specificity; the sterilization degree reaches 95% or above, and the effect is remarkable.

The invention discloses a microwave-assisted coal extraction method through ethanol, which comprises the following steps of: firstly, crushing of a coal sample; secondly, mineral removal treatment of the coal sample; thirdly, microwave-assisted extraction, namely weighing the coal sample to be treated, a catalyst and a solvent, adopting a microwave digestion / extraction instrument for microwave-assisted extraction, and taking out an extraction tank which is filled with a solid and liquid mixture; fourthly, centrifugal separation, namely using a low-speed centrifuge to centrifugally separate the solid and liquid mixture, and separating an extract solution consisting of an extract and the solvent from coal residue; and fifthly, subsequent treatment, namely adopting a rotary evaporator to separate the extract solution, separating the extract from the solvent, performing vacuum drying on the extract, storing the extract for standby, and using water to wash the coal residue to be clean, and storing the coal residue for standby. The invention has the advantages of simple compositions of the production line, simple and convenient extraction method, short extraction time, low energy consumption, non pollution, good extraction effect, and capability of improving the extraction rate of coal extraction through the ethanol from the conventional 10 percent to 30-40 percent.

The invention discloses a bed for co-sleeping of a baby and parents. The bed comprises a bedstead, a backrest connected to the bedstead, a pad strip, a rotating shaft, a bed plate, a first air cylinder, a second air cylinder, a baffle plate, a first sensor and a second sensor. One side of the bedstead is provided with a rectangular hole, the rectangular hole is internally provided with the pad strip on one side, and is internally equipped with the bed plate able to rotate through the rotating shaft. The first air cylinder and the second air cylinder are respectively disposed on two sides of the rotating shaft at the lower end of the bed plate, and are arranged inside the bedstead. One bedstead side far from the rectangular hole is provided with the baffle plate. The first sensor and the second sensor are disposed at two sides of the rectangular hole on the backrest, and are respectively connected to the first air cylinder and the second air cylinder. The bed for co-sleeping of the baby and parents provided by the invention has a simple and practicable structure, can avoid unfavorable effect caused to the baby by turn-over of people sleeping with the baby, and ensures baby safe sleep.

The invention discloses an infant cradle providing convenience for ventilation and temperature control. The infant cradle providing convenience for ventilation and temperature control comprises a cradle frame, a cradle supporting plate, a cradle bed board, a cradle rocking rack arranged at the bottom of the cradle supporting plate and a controller. An air outlet and an air inlet are formed in thecradle supporting plate, an exhaust fan is arranged at the air outlet, and an air blower is arranged at the air inlet; a heating device is arranged on the cradle supporting plate, multiple vent holesare formed in the cradle bed board, and multiple temperature sensors are arranged on the top face of the cradle bed board. According to the infant cradle, ventilation can be conducted on the infant cradle, the temperature in the cradle can be controlled, the sleeping environment of infants is improved, the infants fall asleep conveniently, the sleeping quality of the infants is improved, and meanwhile eczema or eczema exacerbation of the infants due to environmental factors can be prevented.

The invention discloses an NMOS (N-channel Metal Oxide Semiconductor) tube which comprises a P trap formed on the surface of a silicon substrate, a gate structure formed on the surface of the P trap,grooves formed on the two sides of the gate structure, and embedded epitaxial layers formed in the grooves, wherein the embedded epitaxial layers comprise silicon seed layers, silicon-phosphorus bodylayers, barrier layers located between the silicon-phosphorus body layers and the silicon seed layers, and silicon cap layers extruding out of the tops of the grooves; the silicon-phosphorus body layers are in heavy phosphorus doping structures; the barrier layers are used for reducing the quantity of external expansion of phosphorus on the embedded epitaxial layers into the P trap on the peripheral side; and an influence of the externally expanded phosphorus on channels can be further reduced and prevented. The invention further discloses a manufacturing method of the NMOS tube. According tothe NMOS tube and the manufacturing method, a short channel effect of the device can be improved; and the stability of the device can be further improved.

The invention discloses an additive for soybean meal fermentation. The additive includes composite microorganisms and compound protease. The composite microorganisms are composed of 3.0 * 10 <9> to 4.0 * 10 <9> CFU / g of saccharomyces cerevisiae, 1.0 * 10 <9> to 2.0 * 10 <9> CFU / g of streptococcus faecalis and 1.0 * 10 <9> to 2.0 * 10 <9> CFU / g of lactobacillus; the compound protease is composed ofacid protease with a concentration of 140000 to 160000 U / g, alkaline protease with a concentration of 180000 to 220000 U / g and neutral protease with a concentration of 80000 to 120000 U / g. Accordingto the soybean meal fermentation additive provided by the invention, the contents of acid-soluble protein, crude protein, lactic acid and the like in soybean meal can be increased, anti-nutritional factors such as trypsin, beta-conglycinin and glycinin in the soybean meal are reduced, the intestinal health of animals is improved, and the healthy growth of the animals is promoted.

The invention discloses a method for modification of plantation wood by inorganic impregnation. The method performs respiratory circulating treatment on plantation wood by means of vacuum pumping to form negative pressure, impregnation in a solution A, application of positive pressure, discharge of redundant solution A, vacuum pumping to form negative pressure, impregnation in a solution B, application of positive pressure, and discharge of redundant solution B, thus obtaining inorganic impregnation modified plantation wood. Specifically, the solution A is a sodium silicate solution, and the solution B is a mixed solution of one or several of silica, magnesium oxide, aluminum oxide, zinc oxide and aluminum silicate and a polyvinyl alcohol solution. The method provided by the invention simulates the biological respiration principle, adopts the negative pressure expiration-positive pressure inspiration alternating circulation to treat wood, and has the advantages of high permeability, uniform impregnation, flame retarding and smoke suppression, excellent performance and green and environmental protection.

The invention discloses an NMOS tube which comprises a P well formed on a surface of a silicon substrate, a gate structure formed on a surface of the P well, grooves formed on two sides of the gate structure, and embedded epitaxial layers in the grooves. The embedded epitaxial layers comprise silicon seed layers, silicon phosphorous main body layers, silicon phosphorous buffer layers between the silicon phosphorous main body layers and the silicon seed layers, and silicon cap layers protruding to the tops of the grooves. The silicon phosphorous main body layers have phosphorus heavily-doped structures, the silicon phosphorous buffer layers have phosphorus lightly-doped structures and are used for reducing the number of phosphorus of the embedded epitaxial layers expanded to a peripheral side P well so as to reduce and prevent the influence of the expanded phosphorus on channels. The invention also discloses a manufacturing method of the NMOS tube. The short channel effect of a device can be improved, and therefore, the stability of the device is improved.

The invention relates to a care solution for preventing nipple cracking. The care solution is prepared from lavender essential oil, rose essential oil, fir essential oil and olive oil. The preparation method of the care solution comprises the steps that the lavender essential oil, the rose essential oil and the fir essential oil are proportionally added into a stirring machine to be stirred to obtain mixed essential oil; the olive oil is proportionally added into the mixed essential oil to be stirred to be uniform, and the care solution is obtained. The care solution has the advantages that the lavender essential oil contained in the care solution for preventing nipple cracking can rapidly permeate into hair follicles for disinfection, surface layer skin oil secretion is controlled, and dry skin is prevented; the rose essential oil can enhance cytotoxin discharge; the fir essential oil can kill bacteria and promote wound healing; the olive oil can prevent dry skin and remove dead skin and accumulated dirt on the skin. All the raw materials of the care solution are mixed together so as to have the effects of rapidly killing bacteria, promoting wound healing, keeping skin moisture balance and preventing dry skin.

The invention discloses a drop-preventing device for logistics transportation, and discloses the drop-preventing device which can protect through a protective plate, can buffer and rebound through buffer springs and elastic springs, and prevents goods from dropping to cause goods loss. The drop-preventing device is characterized in that three supporting plates are positioned above a fixed base, wherein the three supporting layers are stacked and distributed at equal distance; a plurality of telescopic sleeves are arranged between adjacent two supporting plates; ends of the telescopic sleeves are connected to the supporting plates; ends of the telescopic poles are sleeved by other ends of the telescopic sleeves; the other ends of the telescopic poles are connected to the supporting plate atthe lower side; the buffer springs are sleeved by the telescopic sleeves; ends of the buffer springs are connected to ends of the telescopic poles; the other ends of the buffer springs are connectedto the inner walls of the telescopic sleeves; multiple telescopic sleeves are arranged between the supporting plate at the lowest side and the fixed base; telescopic poles on the telescopic sleeves are connected to the fixed base; a plurality of mounting holes are formed in the fixed base; and the fixed base is an arc-shaped base, and the supporting plates are arc-shaped plates.

The invention discloses a rapid pounding apparatus for Chinese medicinal materials. The rapid pounding apparatus comprises a base, wherein the upper end of the base is provided with a vertically arranged fixing rod, a rotation disk is sleeved and connected on the lower end of the fixing rod, the upper end of the rotation disk is provided with four medicine pounding cylinders through brackets, thebottom end inside the medicine pounding cylinder is provided with a rotation shaft, the rotation shaft is provided with cutter blades, the upper end of the fixing rod is provided with a horizontally arranged first connection rod, one end, away from the fixing rod, of the first connection rod is provided with a motor, the output end of the motor is connected to a first rotation rod, and the lower end of the first rotation rod is connected to a second rotation rod. According to the present invention, the rapid pounding apparatus is convenient and rapid during the use; the first rotation rod drives the cutter blades on the rotation shaft to rotate so as to pound Chinese medicinal materials, the medicine is conveniently taken after the pounding is completed, the medicine pounding can be continuously performed after the first rotation rod is simply and rapidly cleaned, and the four medicine pounding cylinders are alternately used so as to improve the medicine pounding efficiency.

The invention discloses a handheld auxiliary device for a tablet personal computer. The handheld auxiliary device comprises a soft gasket, a moving shaft, a compression spring, a cover body, a rotating cover and a handle. According to the handheld auxiliary device, the tablet personal computer does not need refitting, the handheld auxiliary device can be adsorbed to the back of the tablet personal computer very conveniently and is firmly fixed with the tablet personal computer, the handle facilitates grabbing, the tablet personal computer can be held by a single hand, the other hand can be used for operating the tablet personal computer, operation comfort is improved, and the handheld auxiliary device can be separated from the tablet personal computer very conveniently, does not influence attractiveness of the tablet personal computer, can be repeatedly used, can be installed and dismantled and is simple and convenient to operate.

The invention relates to a method for preparing a recombining subunit vaccine of swine fever. The method comprises the following steps: A. a reverse transcription-polymerase chain type reaction method is utilized to clone a coding gene of vaccine strain E2 protein of the swine fever; B. a E2 gene is constructed and fused; C. a recombining expression vector rE2 is constructed; D. rE2 induction expression is formed; E. the rE2 is purified; and F. the activity of the rE2 is detected through a Western blotting method. The method creatively uses a double-E2 gene serial expression mode in order that the number of E2 epitope is doubled, thereby remarkably improving the immune effect of the recombining E2 subunit vaccine; to improve the expression efficiency of double E2 protein, a colibacillus RBS sequence (5'-AAGGAG-3') is added on the upstream of an initial codon (ATG) of 5'end of the second E2 gene; at the same time, an amino acid joint 5'-GSA GSA AGS GEF-3' is added between E2 genes in serial connection so that the obtained E2 protein can completely display the epitope. The E2 protein recombining subunit vaccine has equivalent effect of immunoprotection with the lapinised attenuated vaccine of the swine fever.

The invention discloses a composition for treating ulcerative colitis and a preparation method and an application thereof. Raw material medicines of an enema liquid include the following raw materialsin parts by weight: 15-20 parts of sophora flavescens, 5-10 parts of indigo naturalis, 27-32 parts of carbonized sanguisorba root and 7-12 parts of gallnuts. The composition for treating ulcerative colitis, provided by the invention, is prepared into granules, pills, capsules, suppositories or enema liquids, is directly acted to the affected part, and is good in treatment effect and high in curative effect in ulcerative colitis. Meanwhile, the raw material medicines are few in component, so that the risk of side effects of medicines is greatly reduced.

The invention discloses an NMOS transistor. A manufacturing method of the NMOS transistor comprises the following steps: a P well is formed on the surface of a silicon substrate; a gate structure is formed on the surface of the P well; grooves are formed in the two sides of the gate structure; embedded epitaxial layers are arranged in the grooves; the embedded epitaxial layers include a silicon seed layer, a silicon-phosphorus body layer, a dual barrier layer located between the silicon-phosphorus body layer and the silicon seed layer, and a silicon cap layer protruding to the tops of the grooves; the dual barrier layer is formed by superposing a first barrier layer and a second barrier layer which are different in material; the silicon-phosphorus body layer has a phosphorus-heavily-dopedstructure; and the dual barrier layer is used for reducing the number of phosphorus of the embedded epitaxial layers, externally extending into the P well on the circumferential side, so as to reduceand prevent the influence of the externally-expanded phosphorus on a channel. The invention further discloses the manufacturing method of the NMOS transistor. The short channel effect of a device canbe improved, so that the stability of the device can be improved.

The invention discloses a high-strength heat-insulating flame-retardant textile material used for down and feature filled product processing. The material is formed by the following raw materials by weight, 10-20 parts of dacron, 10-20 parts of viscose, 4-8 parts of silk protein, 0.4-0.9 parts of nano-silver, 0.8-1.5 parts of polyethylene glycol, 5-10 parts of milk protein fibers, 3-7 parts of lauryl alcohol, 8-15 parts of bamboo charcoal fibers, and 6-12 parts of nanocrystalline cellulose. The textile material has excellent mold resistance and tensile property, and has heat insulation, moisture absorption, and ventilation functions, and has an advantage of excellent flexibility.

The invention provides a clove peculiar smell purifying agent. The clove peculiar smell purifying agent comprises the following components: chitosan, cyclodextrin, clove basil oil, zedoary turmeric oil, nano zinc oxide, nano titanium dioxide, nanometer silica, a surfactant and purified water. The clove peculiar smell purifying agent can effectively remove peculiar smell and can effectively relievediscomfort of respiratory systems of people in a peculiar smell environment. The invention further provides a production process of the decorative wood-based panel without peculiar smell, the key position of peculiar smell generation of the decorative wood-based panel is researched and found, the decorative wood-based panel without peculiar smell acts on the key position of peculiar smell generation in a targeted mode, and the peculiar smell problem of the decorative wood-based panel is well solved.

The invention provides an online measurement device for VOCs (Volatile Organic Compounds) concentration. The device mainly consists of a measurement unit, a calculation unit, and a display and alarming unit, wherein the measurement unit is used for measuring the temperature of sample gas and the pressure of sampling gas before and after chemical reaction; the calculation unit is used for calculating the concentration of the sample gas according to data measured by a measurement center; and the display and alarming unit is used for displaying the concentration of the sample gas, and giving an alarm when the concentration of the sample gas exceeds a set threshold value. The online measurement device for VOCs concentration has the advantages of simple structure and large measurement range andis safe and reliable.

The invention discloses an earlier-stage meat duck feed for improving the productivity. The feed is prepared from the following components in parts by weight: 20-40 parts of extruded corns, 10-30 parts of broken rice, 0-10 parts of flour, 0-5 parts of spray-dried blood cells, 0-6 parts of corn gluten meal, 15-30 parts of extruded soybeans, 0-5 parts of yolk powder, 1-2 parts of calcium hydrogen phosphate, 0.5-1 part of rock powder, 3-10 parts of fine rice bran, 0.1-1 part of lysine hydrochloride, 0-1 part of methionine and 2 parts of a premix compound additive. The meat duck earlier-stage feed disclosed by the invention is obtained by mainly adjusting the types and composition of the feed raw materials according to a formula, can effectively improve the weight of a meat duck of 12 days and reduce the diarrhea rate, and meanwhile can increase the survival rate and increase the growth and development of feather.

The invention relates to a biomass pellet fuel burner, comprising a casing, wherein a hearth is arranged in the casing; a feeding hopper communicating with the hearth is arranged at the upper part ofthe the casing; an igniter with a nozzle extending into the hearth is also arranged on the casing; and an ash outlet communicating with the bottom of the hearth is arranged at the lower part of the casing; further comprising a fan horizontally arranged on the casing and a flame spraying component horizontally arranged on the casing to spray flame generated by combustion in the hearth out of the hearth; an air outlet pipe of the fan communicates with the hearth, an air inlet pipe communicates with the outside, and the flame spraying component is positioned in front of an air outlet pipe of thefan. In the invention, 1) the characteristic of fast combustion of biomass pellet can be met by only adding enough biomass pellet fuel into the feeding hopper instead of multiple feeding; 2) the flameis sprayed out through the horizontally arranged flame spraying component, so that the flame cannot jump up to a high place, and the spraying direction is fixed, so that adverse effects on surrounding operators and the environment cannot be caused.

The invention discloses a drug for treating rectum cancer. The drug is prepared by decocting agrimony, 100-140g and jujube, 90-110g into thick decoction with water. Compared with surgical or other pharmaceutical treatment methods adopted in the modern medicine, the drug has the advantages that: (1) the drug has no toxic and side effect and can be administered by the elderly, children and pregnant women for a long time, and it has no any influence on normal development of a fetus; (2) the drug is safe, economic, comfortable in administration, remarkable in therapeutic effect and low in cost (2 Yuan per dosage); (3) the drug has short treatment period and rapid and good effect, an overall treatment period is of only 90 days; and (4) compared with surgical or other pharmaceutical treatment methods, the treatment with the drug is safe and reliable, low in cost and convenient in administration and is easily accepted by patients.