48results about How to "Aggressive" patented technology

Embodiments of the invention provide an adversarial sample generation method and device. The method comprises the steps of obtaining a to-be-enhanced current adversarial sample in the current iteration; in the decreasing direction of the target loss function, performing preset geometric deformation on the current adversarial sample for a first time to obtain a deformed image; executing second-timepixel-by-pixel updating on the deformed image to obtain a first adversarial sample; performing third pixel-by-pixel updating on the current adversarial sample to obtain a second adversarial sample; determining an adversarial sample with a smaller corresponding loss value in the first adversarial sample and the second adversarial sample as an updated adversarial sample; when the iteration stoppingcondition is met, taking the updated adversarial sample as a final adversarial sample; and when the iteration stopping condition is not met, performing the next round of iteration based on the updated adversarial sample. The generated adversarial sample can have stronger aggressivity, so that targeted defense is realized.

The invention discloses a migratable adversarial sample attack method based on an attention mechanism, and the method comprises the steps of selecting a local replacement network model, constructing afeature library, and enabling an original image to be mapped into a feature space; adopting an iterative fast gradient symbol attack method based on momentum accumulation to enable the characteristics of the original picture to be far away from the original category area and to be close to the target category area; and inputting an adversarial sample obtained by attacks into a black box classification model, and outputting a target category by a misleading model. According to the invention, a triple loss function is used to destroy an area which is rich in information and is mainly concernedby the model in an attacked model characteristic space; the problems of low white-box target attack success rate and low black-box target mobility of an existing attack method in a classification taskof a complex data set are solved, and misleading of a classification model is effectively realized under the condition of considering a white-box scene and a black-box scene.

The invention discloses an assembly type grass-planted concrete precast block and a construction method of an ecological bank adopting the same. The assembly type grass-planted concrete precast blockis composed of a convex block body and concave block bodies, wherein the convex block body and the concave block bodies are connected into a whole, the convex block body is located in the middle, theplurality of concave block bodies are arranged next to the convex block body, and the convex block body and the concave block bodies are made of ecological concrete with ecological holes; greening soil coverings suitable for the growth of herbaceous plants are laid on the upper surface of the convex block body and the upper surfaces of the concave block bodies respectively, the herbaceous plants take roots on the greening soil coverings and in the convex block body and the concave block bodies; and the concrete precast blocks can be spliced and clamped together. Meanwhile, the invention provides a construction method of the ecological bank adopting the assembly type grass-planted concrete precast block according to the characteristics of the assembly type grass-planted concrete precast block. The assembly type grass-planted concrete precast block has the advantages that the structure is reasonable, the coverage rate of the planted-grass is high and the construction is convenient and rapid; and the assembly type grass-planted concrete precast block can be used for ecological protection of medium and small rivers, and can also be used for ecological protection of channels, lakes, reservoirs and ponds.

The invention belongs to the field of microorganism animal cell lines, and particularly relates to a pancreatic cancer cell line with lymphatic channel high migration activity. According to the pancreatic cancer cell line with the lymphatic channel high migration activity, a human pancreatic cancer BxPC-3 cell line is adopted as source cells, by means of a nude mouse palmula subcutaneous vaccinization method, lymphatic metastasis oncocyte sunlines with different migration potentialities are separated from matrilineal BxPC-3 cells, a pancreatic cancer cell line BxPC-3-LN with the lymphatic channel high migration activity is screened out through experiments inside and outside human bodies, a storage number is CGMCC NO.5421, and the storage date is October 28th, 2011. The pancreatic cancer cell line with the lymphatic channel high migration activity is the same as the matrilineal BxPC-3 cells in the genetic background, is characterized by being strong in invasiveness, high in migration efficiency and concentrated in migration, provides a suitable experimental platform for research on pancreatic cancer migration mechanism and the screening of antineoplastic drugs, and has very important significance and wide application prospects.

The invention discloses an authentication random number detection method and an SIM (Subscriber Identity Module) card. The method comprises the following steps of: determining the time interval from the current time of receiving authentication random number sent by the network side by the SIM card to the last time; adding set change values to attack detection parameters to obtain the updated attack detection parameters when the time interval is smaller than the set time threshold value; determining that the detection of the authentication random number received at the current time is not passed when the updated attack detection parameters are not smaller than the set attack detection parameter threshold value, otherwise determining that the detection of the authentication random number received at the current time is passed; determining that the detection of the authentication random number received at the current time is passed when the time interval is not smaller than the set time threshold value; and subtracting the set change value from the attack detection parameters to obtain the updated attack detection parameters when the attack detection parameters are greater than the set original value. Thereby, attackers can not realize the interpretation of confidential information of the SIM card in the limited time, and the attack of the attackers can be effectively resisted.

The invention discloses a device for degrading pesticide residues in traditional Chinese medicinal materials. The device comprises a cleaning water tank, a hydroxyl radical generator, an ultrasonic system and a photocatalyst. Meanwhile, the invention provides a method for degrading pesticide residues in traditional Chinese medicinal materials. The method comprises the steps of soaking; hydroxyl radical oxidation; ultrasonic cleaning and the like. The device can be used for safely and efficiently cleaning the traditional Chinese medicinal materials and has a favorable pesticide residue removal effect.

The invention discloses a traditional Chinese medicine composition for yang and kidney tonifying and health care and a method for preparing the traditional Chinese medicine composition. The traditional Chinese medicine composition is composed of, by weight, 15 parts to 25 parts of fructus schizandrae, 15 parts to 25 parts of ligustrum lucidum, 15 parts to 25 parts of semen cuscutae, 15 parts to 25 parts of rosa laevigata michx and 15 parts to 25 parts of fructus lycii. The method includes the following steps of firstly, conducting smashing, namely, smashing the raw material medicine which is selected by weight into fine particles; secondly, conducting soaking, namely, mixing the raw materials which are smashed into the fine particles with rice wine of 50+/-5 degrees according to the weight ratio ranging from 100:250 to 100:350, soaking the mixture for 25 days to 30 days, and then filtering out residues so that the medicine soup can be obtained. When the traditional Chinese medicine composition quickly becomes effective when used for treating kidney deficiency, kidney depletion, impotence and premature ejaculation, the cure rate is high, no toxic and side effects are produced, and the safety is good. Compared with the prior art, the method is easier to achieve and saves production cost.

The invention discloses an adversarial sample generation method and system, a storage medium and a device. The method comprises the following steps: training a data set to obtain an initial model; attacking the initial model by using an attack algorithm, and calculating to obtain an initial adversarial sample; putting the initial adversarial sample into a first DCGAN network for training to obtaina first generator corresponding to the initial model, and generating an unprotected attack sample by the first generator; performing AND operation on the initial adversarial sample and the data set to obtain a protection model with protection adversarial capability; attacking the protection model by using an attack algorithm, and calculating to obtain a protection confrontation sample; and putting the protection confrontation sample into a second DCGAN network for training to obtain a second generator corresponding to the protection model, and generating a protection attack sample by the second generator. According to whether an original model has protection or not, a new confrontation sample generation method is provided by utilizing the GAN, and malicious samples with new features can be produced in batches.

An unmanned chariot that can rotate in situ, translate at will, and turn over automatically: the hub-type motor wheel's strut is installed on the chassis with a bearing and protrudes from the head, and the head is equipped with a toothed plate; the chain or belt is wound around the four toothed plates; Connect the rotation shaft of the motor with the coaxial center on the left or right rear tooth plate, and the motor casing is connected to the chassis; set the self-reflective explosive cartridge after the car rolls over; the fire control system is installed on the front of the chassis; the power supply system, The integrated controller is fixed on the chassis; the armored vehicle cover is buckled on the chassis and exposes the muzzle and muzzle. The vehicle cover is a part of the spherical shell or a part of the ellipsoidal shell; the vehicle cover has a hatch and a camera; the vehicle Radar detection device, navigation device, vehicle attitude sensor, wheel speed sensor, fire control system, power supply system, wheel motor, brake mechanism, radar detection device, navigation device, direction control motor, wheel speed sensor, vehicle attitude sensor, The expansion cartridges are all connected to the integrated controller.

A rotary surface cleaning machine for cleaning floors, including both carpeted floors and uncarpeted hard floor surfaces including but not limited to wood, tile, linoleum and natural stone flooring. The rotary surface cleaning machine has a rotary surface cleaning tool mounted on a frame and coupled for high speed rotary motion relative to the frame. The rotary surface cleaning tool has a substantially circular operational surface that performs the cleaning operation. The rotary surface cleaning tool is driven by an on-board power plant to rotate at high speed. The rotary surface cleaning tool is coupled to a supply of pressurized hot liquid solution of cleaning fluid and a powerful vacuum suction source.

The invention discloses novel application of an eight-treasure particle in preparation of drugs used for treating brain glioma. According to the invention, a large dose of eight-treasure thick paste is orally administrated, so tumor growth in mice with brain glioma is effectively inhibited, and apoptosis of glioma cells is substantially induced.

An unmanned chariot that can rotate in situ, translate at will, and can turn over automatically: a fire control system, an actuator, a power system, an integrated controller, a battery, and a self-righting vehicle are set up in sequence on the chassis equipped with hub-type motor wheels. The explosive cartridge; the power system includes an internal combustion engine, an electric motor, a generator, and a clutch that are respectively connected to the integrated controller and the actuator; the differential is connected to the wheel shaft through a universal joint; The connecting rod and the wheel shaft are connected to make the wheels swing. The armored car cover is buckled on the chassis and exposes the muzzle and muzzle. The car cover is a spherical shell or a part of an ellipsoidal shell; the car cover has a hatch and a camera; Radar detection device, navigation device, vehicle attitude sensor, wheel speed sensor, brake mechanism; fire control system, battery, actuator, radar detection device, navigation device, camera, wheel speed sensor, vehicle attitude sensor, and explosive cartridge Integrated controller connection.

A rotary surface cleaning machine for cleaning floors, including both carpeted floors and uncarpeted hard floor surfaces including but not limited to wood, tile, linoleum and natural stone flooring. The rotary surface cleaning machine has a rotary surface cleaning tool mounted on a frame and coupled for high speed rotary motion relative to the frame. The rotary surface cleaning tool has a substantially circular operational surface that performs the cleaning operation. The rotary surface cleaning tool is driven by an on-board power plant to rotate at high speed. The rotary surface cleaning tool is coupled to a supply of pressurized hot liquid solution of cleaning fluid and a powerful vacuum suction source.

The invention provides an application of a ferroptosis inducer RSL3 in preparation of a medicine for inhibiting glioblastoma, and also provides a medicine for combined application of the ferroptosis inducer RSL3 and temozolomide. The invention provides a more effective treatment scheme for glioblastoma, and also provides a solution capable of remarkably inhibiting glioblastoma under the condition of temozolomide resistance.

The invention relates to an anti-tumor medicament prepared for treating glioblastoma. The medicament refers to withaferin A, realizes the activity of resisting glioblastoma by inducing apoptosis, induces apoptosis of glioblastoma through a mitochondrial pathway, and activates the mitochondrial apoptosis pathway by upregulating the protein content of Bad and Bim.

The invention relates to an anti-tumor medicine for treating glioblastoma, wherein the medicine is avasimibe. The medicine provided by the invention induces apoptosis through a mitochondrial pathway to realize the activity against the glioblastoma; the medicine provided by the invention induces the apoptosis by non-specifically blocking a cell cycle; and the medicine provided by the invention induces the cell cycle to be blocked in a G0/G1 phase and a G2/M phase through a p53-dependent pathway.

An airplane control system is characterized in that a tail (3) is provided with two elevons (1) and two yaw rollover stabilizers (2), wherein the two elevons (1) are symmetrically arranged along the airplane symmetry face and can deflect up and down, and the yaw rollover stabilizers (2) are located on the airplane symmetry face in the position of the tail (3), extend upwards and downwards from the mass center and can rotate. The airplane control system has the advantages that through the composite action of the two elevons and the two yaw rollover stabilizers, pitching, rollover and deflection are integrated, wherein the two elevons are symmetrically distributed along the airplane symmetry face, the yaw rollover stabilizers are located on the airplane symmetry face, are close to the tail, simultaneously extend upwards and downwards from the mass center, are in difference symmetry and can rotate in an omnibearing mode, and the airplane control system has an air braking control function.

The invention provides a defensive multifunctional talkback service system with a self-defense weapon for a counter window. The system is characterized in that the weapon for safety protection and self-defense is applied to the window talkback system of a business counter, a staining dry powder ejector for defense is hidden inside the interphone outside the counter of the system, the ejector can be used as a rearview mirror, and necessaries for service are integrated and assembled. The system has functions of induction-type automatic answer and illumination, erasable multi-speech shortcut button and so on. The system makes full use of favorable position, and can be daily used in counter window talkback and service and also be used as a self-defense weapon by wide-angle spraying staining dry power to the faces of criminals and meantime starting an alarm device with a certain aggression. The system is suitable for the talkback service and safety defense service inside and outside the business windows of banks, post offices, stations, hospitals, charging halls and so on. The system is a novel multifunctional talkback service system for counter windows and is also an ideal product against window matters.

A removable tire chain assembly with paddles is provided for motorcycles, bicycles, ATVs, and off-road recreational vehicles, for enhancing traction in sand, loose dirt and muddy terrain. The removable tire chain assembly comprises a chain lattice, having opposing connecting ends, adapted to be circumferentially and radially wrapped around and secured about a tire and rim; and a plurality of paddle assemblies attached to said chain lattice such that said plurality of paddle assemblies are positioned on a tread portion of the tire.

The invention relates to a traditional Chinese medicine for treating cancers and resisting viruses and a preparation method thereof. A formula of the traditional Chinese medicine for treating cancers and resisting viruses comprises indigowoad leaves, dutchmanspipe root, indigo naturalis, geranium wilfordii, hairyvein agrimony, hedyotis diffusa, fructus perillae, cowherb seeds, mongolian snake gourd root, herba ecliptae, szechwan Chinaberry fruit, longstamen onion bulb, curcuma zedoary, rhizoma sparganic, snakegourd fruit, ampelopsis japonica, frankincense, myrrh, rhizoma phragmitis, angelica root, radix stephaniae tetrandrae, cape jasmine, schizonepeta, ginkgo, sappanwood, Chinese angelica, salviae miltiorrhizae, rhizoma typhonii, cyrtomium fortunei, alum, brucea javanica and venenum bufonis. The traditional Chinese medicine for treating cancers and resisting viruses is applicable to treatment on 'cancers', 'Aids', 'leukemia', 'tumours' and 'liver diseases' caused by known or unknown pathogens and pathogenesis, of men, women, the aged and the young and resistance to various infectious and contagious refractory plague viruses.

The invention discloses a sugar-free watermelon frost throat-clearing and nourishing lozenge and a preparation method and an application thereof. The sugar-free watermelon frost throat-clearing and nourishing lozenge comprises the following components: 1 to 5 parts by weight of watermelon frost, 0.1 to 1.0 part by weight of eucalyptus oil, 0.2 to 2.0 parts by weight of peppermint oil, 0.2 to 2.0 parts by weight of menthol, 10 to 15 parts by weight of fructus chebulae immaturus, 10 to 20 parts by weight of grosvenor momordica fruit, 10 to 25 parts by weight of Ophiopogon japonicus, 15 to 35 parts by weight of dark plum, 0.1 to 2.0 parts by weight of edible essence, 800 to 1000 parts by weight of sugar alcohol, and 0.2 to 0.8 parts by weight of acesulfame potassium. The source of the raw materials is a Chinese medicinal material or a traditional Chinese medicine extract corresponding to the raw material amount of the above-mentioned Chinese medicinal material. The pharmaceutical composition of the present invention can be prepared by adding any kind of an auxiliary material or a food additive acceptable for food to various candy dosage forms such as hard sugar, soft candy, pressed sugar, and the like.