41 results about "Package sample" patented technology

The invention provides a failure analysis method. The method comprises the steps that 1) a packaging adhesive at the back side of a packaged sample is ground till that a chip bonding pad is exposed; 2) a silver colloid under a chip and the chip bonding pad are removed; 3) grounding is carried out to expose the frame edge corresponding to pins which need testing; and 4) a positioning device is used, point pins are used to carry out back-side failure positioning analysis on the chip on the exposed lead frame so as to find failure points.

The invention discloses a high-uniformity quantitative splitting and subpackaging technology of a standard coal sample, relating to the technical field of coal detection. The technology comprises the steps that a primary subpackaging fineness coal sample is stacked, doped, leveled and equally divided into N parts; coal samples with the equal mass are taken out from the N parts of coal samples, blended and split into N parts, and stored separately till all the coal samples are split into N parts; the N parts of coal samples are stacked, doped, leveled and equally divided separately; coal samples with the equal mass are taken out from the N parts of coal samples respectively, blended, split into N parts, and subpackaged till all the coal samples are split and subpackaged; the coal sample subjected to the primary splitting and subpackaging is broken into coal with the fineness for detection, then air-dried, divided into N parts, and spread in discs to form uniform rectangular blocks; each rectangular block is equally divided into small blocks with the mass greater than the minimum packaging unit mass of the coal samples; the coal samples with the minimum packaging unit mass are taken out from the identical small block coal samples in the N parts of coal sample discs respectively; and the N parts of coal samples are blended, split into N parts, and subpackaged into the minimum packaging units. The technology has the advantages that a great number of samples can be quantitatively split and packaged for one time, and the split and packaged samples have high uniformity.

The invention provides a nickel based boron free brazing material and a method for preparing the same, which relates to metal alloy. The invention provides a nickel based boron free brazing material which has the advantages of a melting temperature of 1000 to 1150 DEG C, good wettability, no boron, application to stainless steel braze welding, low material cost, simple preparation process, short cycle, good replacement of the conventional boron containing nickel based brazing material and a method for preparing the same. The brazing material comprises the following components in weight percentage: 0 to 4 percent of chrome, 2 to 4 percent of silicon, 13 to 16 percent of zirconium, 21 to 30 percent of tin, the balance being nickel. The components such as chrome and the like are cleaned, alloyed by the arc melting in the presence of an inert gas to a button-shaped sample, preliminarily cut to a bar-shape and packaged in a quartz tube, the quartz tube is filled with the inert gas to a packaged sample, and the packaged sample is put in a reaction furnace for the relief annealing heat treatment to obtain a bar-shaped sample after heat treatment; and, the bar-shaped sample after heat treatment is cut to a needed shape by a linear cutting method so as to obtain the nickel based boron free brazing material.

The invention discloses a system used for packaging a sample barrel. A vertical telescopic device is fixedly connected to the position, corresponding to the middle segment of a conveyor, of the upperportion of the rack, the left side of the upper portion of the rack is fixedly connected to a discharging cylinder vertically arranged, a pair of sliding rails extending in the left and right direction is fixedly connected to the position, below the lower end of the discharging cylinder, of the middle of the rack, and a horizontal telescopic device B is fixedly connected to the position, on the left side of the discharging cylinder, of the middle of the rack; a limiting mechanism composed of multiple horizontal telescopic devices A is arranged at the lower end of the discharging cylinder, thetelescopic parts of the horizontal telescopic devices A extend into the discharging cylinder in a sliding manner through through holes in the discharging cylinder, a sliding frame is arranged on the sliding rails in a matched manner, a telescopic part of the horizontal telescopic device B is connected with the left end of the sliding frame, a telescopic part of the vertical telescopic device is fixedly connected with a barrel pressing rod, and the lower end of the barrel pressing rod is connected with an electromagnetic suction cups matched with a barrel cover. The system can effectively improve the packaging efficiency, labor burdens of an operator can be reduced, and manpower cost can be effectively reduced.

The invention discloses a protective device for preventing a packaged sample from being damaged by static electricity. The protective device comprises a sleeve cover, wherein an open pore is formed in the center of the sleeve cover, two sides of the sleeve cover are downwards bent to form sleeve feet, and the sleeve cover is used for covering the upper surface of a packaging base. According to the protective device for preventing the packaged sample from being damaged by the static electricity, the generation of static electricity in a detected sample is effectively inhibited; and meanwhile, the static electricity generated in the packaging process can be safely introduced outside the packaging substrate, thus the detected sample in a package can be prevented from being damaged by static electricity discharge, and the yield of the packaged sample is increased.

The invention discloses a sample holder of a transmission electron microscope. The sample holder comprises an optical fiber access joint, an optical fiber, a grip, a first sample holder unit, a secondsample holder unit and a sample holder end; the optical fiber access joint is mounted at one end of the grip, one end of the first sample holder unit is connected with the other end of the grip, theother end of the first sample holder unit is connected with one end of the second sample holder unit, and the other end of the second sample holder unit is connected with the sample holder end; a sample container is formed in the sample holder end; the optical fiber access joint comprises an optical input terminal and an optical output terminal; the optical fiber is inserted in the grip, the firstsample holder unit, and the second sample holder unit, one end of the optical fiber is connected with the optical output terminal of the optical fiber access joint, and the other end of the optical fiber is connected with the sample container of the sample holder end. The sample holder of the transmission electron microscope can supply specific-wavelength laser and specific current to the packaged samples, and thus, effective observation and measurement to micro-changes of substances under the condition of lighting or charging catalysis can be achieved.

The invention discloses a method for testing the reliability of a laser projector. The method comprises the steps of S1, placing test samples in an environment at a temperature of 50-60 DEG C and at a relative humidity of 90%-95% for 2-3 hours; S2, placing samples in a temperature-controllable sealed container for the high and low temperature cycle test, wherein the temperature in the sealed container is successively 25 DEG C, -10 DEG C, 40 DEG C and 25 DEG C and is cyclically transformed for 8-12 cycles; S3, placing samples tested to be qualified during the step S2 in an environment for the high-altitude test at an atmospheric pressure of 50-60 kPa; S4, subjecting packaged samples to the vibration test in a direction vertical to the bottom surface; S5, for one corner, three edges and six surfaces of each packaged sample, subjecting the packaged sample to the drop test or the collision test in the following order. According to the technical scheme of the invention, a variety of tests can be conducted on a laser projector, so that the laser projector can be accommodated in a variety of complex and harsh environments. Meanwhile, the application range of the laser projector is expanded, and the reliability of the laser projector is improved. The service life of the laser projector is prolonged.

The invention provides a preservation method for eggplants. The preservation method for the eggplants comprises the following steps: vacuum pre-cooling picked eggplants, carrying out modified atmosphere packaging, filling a packaging bag with 5% of O2, 9% of CO2, 2% of O3 and 84% of N2, and thermally sealing the packaging bag; putting the packaged samples into a constant-temperature and constant-humidity box with the temperature of 10 DEG C and the humidity of 80% for storing, and illuminating for 3 hours by using natural light every 12 hours during the storage period, wherein the storage temperature is 10 DEG C and the humidity is 80% during illumination. The preservation method for the eggplants has the advantages that the reduction of the sensory quality and the increase of the weight loss ratio can be effectively inhibited, the preservation method can obviously prolong the shelf life of the eggplants to 31 days, the method is simple and convenient to operate, low in cost, safe and free of residue.

The invention provides a sound insulation performance test window and test method for a variable-size vehicle sound package. The test window comprises an outer frame; the outer frame is fixed on a wall body; a large window board covering the interior of the outer frame is arranged in the outer frame; a middle window board notch is formed in the large window board, and a middle window board covering the middle window board notch is arranged in the middle window board notch; and a small window board notch is formed in the middle window board, and a small window board covering the small window board notch is arranged in the small window board notch. The sound insulation performance test window and test method for the variable-size vehicle sound package not only can guarantee leakproofness andsound insulation performance of a window body self but also can quickly and accurately test sound insulation performance of vehicle sound package samples in different sizes and types.

The invention discloses a packaging receiving-sending all-in-one machine and a sampling system and relates to the technical field of sample detection. The packaging receiving-sending all-in-one machine comprises a first storage mechanism, a slow falling mechanism, a conveying mechanism, a packaging mechanism and a receiving-sending mechanism. The first storage mechanism is used for storing empty sample bottles. The slow falling mechanism is arranged between the first storage mechanism and the conveying mechanism, and when the first storage mechanism releases the sample bottles, the slow falling mechanism is used for enabling the sample bottles to slowly fall on the conveying mechanism. The conveying mechanism is used for transferring empty samples to a code writing sample preparation area.The conveying mechanism is used for sequentially transferring the sample bottles filled with the samples to the packaging mechanism and the receiving-sending mechanism. The packaging mechanism is used for packaging the sample bottles filled with the samples. The receiving-sending mechanism is used for sending the packaged sample bottles outwards and receiving the sample bottles to be recycled. Asampling system comprises the packaging receiving-sending all-in-one machine . Through the packaging receiving-sending all-in-one machine provided by the invention, the working efficiency can be improved, and the sampling counterfeiting probability is lowered.

The invention provides a method and a device for processing advertising information. The method comprises the following steps of: scanning an executable file in an installation package according to a feature in an advertisement information database; when an identification feature of the executable file is not consistent with the identification feature in the advertisement information database, extracting website information from the executable file; sending the website information to a server; receiving webpage information which corresponds to the website information and is returned by the server; determining whether the executable file is new according to the webpage information; and when the executable file is new, storing the identification feature of the executable file and the website information into the advertising information database. Main scan is performed on the server, a lot of new samples of installation packages can be scanned, and the installation package samples can be actively received instead of passive acceptance, preliminary determination and screening for program automation can be achieved, and determining quality and efficiency of the advertising installation package are improved.

The invention discloses a sample bottle capping machine used for sample collect regulation. The sample bottle capping machine comprises a storage mechanism, a translation jacking mechanism and a capping mechanism. The storage mechanism is used for storing a plurality of bottle caps with downward cap mouths. The translation jacking mechanism has a translation stroke and is used for translating the bottle caps output by the storage mechanism to the lower portion of the capping mechanism. The capping mechanism comprises a capping punch and a capping lifting driving piece matched with the capping punch. The capping punch is provided with a suction disc used for adsorbing and fixing the caps. The capping lifting driving piece is arranged on the upper portion of the capping punch and used for driving the capping punch to move downwards so as to complete capping operation for different bottle body heights. The sample bottle capping machine has the advantages of being simple and compact in structure, high in intelligent degree, reliability and work efficiency, and capable of packaging sample bottles of different capacities.

The invention discloses modified atmosphere package capable of delaying deterioration of livestock meat and a detection method of the deterioration of the livestock meat. The modified atmosphere package and the detection method are realized through the following steps of: performing acid discharge on the livestock meat for 48 hours at 0-4 DEG C, cleaning the livestock meat after acid discharge with alcohol, and performing ultraviolet sterilization treatment; putting packed samples in a modified atmosphere package box which is cleaned with the alcohol and on which ultraviolet sterilization disinfection treatment is performed, and performing modified atmosphere packaging by using a modified atmosphere packaging machine; immediately putting the modified atmosphere package sample box which is inspected to be intact in an incubator shaking box of 3-25 DEG C, and stimulating a logistic transportation link; and taking samples, detecting the content of biogenic amine and total volatile basic nitrogen, and judging the freshness of the livestock meat. According to the modified atmosphere package and the detection method disclosed by the invention, the modified atmosphere package is combined with the incubator shaking box for stimulating the logistic transportation mode, so that the deterioration of the livestock meat is delayed, the quality guarantee period from the production process link to the consumption link is prolonged, and the damage of the deterioration of the livestock meat to human bodies or environment is reduced.

The invention discloses a preparation method of a fish meal amino acid component analysis standard substance. The preparation method comprises the following steps: removing impurities of fish meal, and smashing the fish meal after the impurities being removed; adding the smashed fish meal into a solvent, soaking, and degreasing; successively naturally drying and baking the degreased fish meal, andobtaining a fish meal sample; uniformly mixing the fish meal sample, sampling the mixture, and detecting the uniformity; and re-drying the uniformly-mixed fish meal sample, sub-packaging, deactivating the sub-packaged sample in an irradiation manner, finally vacuum packaging the sample, and storing at -20 DEG C. The preparation method of the invention is used for preparing the fish meal amino acid component analysis standard substance, so that the key problems in the prior art can be solved, the blank of no fish meal sample amino acid standard substance in China can be filled, and a foundation is set for improving the research level of the standard substance in the aspects of public health, food, environment and the like in China.

An accurately positioned and automatically packaged sample collector comprises a lower tray, wherein a circle of chain is fixedly arranged on the peripheral face of the lower tray, a rotary driving device is arranged on a rack beside the lower tray, a chain wheel is arranged on an output of the rotary driving device and is engaged with the chain, a bucket cover matched with a sample bucket is arranged and is provided with a lock, the lock is provided with an elastic lock tongue, a lock tongue limiting portion matched with the elastic lock tongue is arranged in a sample bucket opening, the bucket cover includes a metal irony layer, a linear driving device is arranged above a sample bucket stop position on the rack, the lower end of the linear driving device is connected with an electromagnet, the bucket cover can be sucked up after the electromagnet is electrified, and the electromagnet and the linear control device is connected to a control system. The accurately positioned and automatically packaged sample collector is accurate in positioning, stable in operation and reliable in performance.

The invention relates to an automatic filling, weighing and packaging sample collector, and belongs to weighing equipment. According to the technical scheme, the automatic filling, weighing and packaging sample collector comprises a rotating disc provided with a divider in the middle for driving, and a plurality of brackets are formed in the edge of the rotating disc at equal angles, and is characterized in that a hole is formed in the middle of each bracket, a sample collecting barrel is placed around the hole of each bracket, and the edge of a top barrel cover of each sample collecting barrel is hinged to the corresponding sample collecting barrel; and a cover opening rod is arranged on each barrel cover, the cover opening rod is perpendicular to a hinge shaft of the corresponding barrelcover and extends outwards, a lifting mechanism is fixedly opposite to a supporting groove in the edge of the disc, and a coal falling pipe is fixedly arranged on the uppermost portion of the liftingmechanism. The automatic filling, weighing and packaging sample collector can automatically sample, fill and seal boxes, so that human interference in sampling, weighing and box sealing is avoided; and the automatic filling, weighing and packaging sample collector adopts circulating station filling and weighing, can weigh coal samples sold by different sellers and seal boxes at any time, achievesthe purpose that one seller can encase one sample, meets the sample weighing and box sealing requirements of multiple clients at the same time, and avoids sample mixing.

The invention relates to a measuring method for nano titanium dioxide migration quantity in a food plastic package product. The measuring method is characterized in that a food plastic package sample is soaked for 10-12 d in acid food simulation liquid at the temperature of 45-50 DEG C; the soaking solution is taken and contains nano titanium dioxide in different particle sizes, ammonium sulfate and concentrated sulfuric acid are added into the soaking solution, heated and dissolved until the solution is clarified to obtain a digestive solution, the solid-to-liquid ratio of ammonium sulfate to the soaking solution is (1.5-2.0):100, and the volume ratio of concentrated sulfuric acid to the soaking solution is (4-6):100; finally, inductive coupling plasma mass-spectrography is used for measuring the concentration C of titanium in the digestive solution, and the titanium dioxide migration quantity is obtained through a formula I. Compared with the prior art, the measuring method is simple, fast, accurate and capable of detecting nano titanium dioxide which is in different particle sizes and is migrated from the food plastic package into food (particularly acid food), the detection limit of the measuring method is 0.15 micrograms/dm<2>, and the recovery rate is 85-95%.

Embodiments of the invention disclose an intrusion detection method and an intrusion detection device based on data packets, and a storage medium, and relates to the field of network security. The method provided by the invention comprises the following steps: dividing a data stream into data packets during an intrusion detection process; generating a training package sample set and a test packagesample set based on the data packets, wherein the training package sample set comprises at least one training sample, and the test package sample set comprises at least one test package sample; taking the training package sample set as an input for training to obtain a strong classifier, wherein the strong classifier is composed of a plurality of base classifiers; constructing an intrusion detection model based on the strong classifier; taking the test package sample set as an input for testing the intrusion detection model, and obtaining a test result that comprises a normal state and an abnormal state. The invention can improve the performance of intrusion detection.

The invention relates to the technical field of medical instrument detection, in particular to a closed sterile barrier system microorganism integrity test device and method, the test device is provided with a microorganism integrity detection system, and the microorganism integrity detection system comprises a test environment detection device and a medical instrument package detection device. The test environment detection device is used for determining whether an aerosol environment in the test box meets test requirements or not, and the package detection device is used for detecting the integrity of a to-be-detected package sample, namely, the barrier performance of the whole medical instrument package to microorganisms, so that the quantitative test on the integrity of the medical instrument package is realized; quality detection of medical instrument packaging is achieved, and safety of medical instruments in the transportation process is guaranteed. And test support is provided for the overall sealing design of the package, so that the manufacturing cost of the medical instrument package is favorably controlled, and the excessive design of the package sealing is avoided.

The invention relates to a device for testing corrosion of a liquid pesticide to a package, and mainly solves the problem of inaccurate test results caused by reduction of to-be-test sample amount in a corrosion container kettle along with the test time in the prior art. The device for testing the corrosion of the liquid pesticide to the package mainly includes a thermostatic bath 5, a corrosion container kettle 3, an automatic fluid infusion controller 10, a condensing tube 8, a circulating cooling medium control system 1, a thermostatic bath temperature controller 6, an electromagnetic valve 9, a pump 7, a horizontal floater 4 and a package sample 2; an inlet and an outlet of a cooling medium in the condensing tube 8 are connected with the circulating cooling medium control system 1, the automatic fluid infusion controller 10 is connected with the horizontal floater 4 in the corrosion container kettle 3, the electromagnetic valve 9 is respectively connected with the automatic fluid infusion controller 10 and the pump 7, and the technical scheme well solve the problem of inaccurate test results, and the device can be used for testing the corrosion of the liquid pesticide to the package.