54results about How to "Integrity breach" patented technology

A battery internal short circuit test device comprises a battery, at least one deformation component and a heating device. The deformation component is arranged inside the battery and comprises at least one deformation portion, wherein the deformation portion has at least one tip end. The deformation component has a trigger temperature, and when the temperature of the deformation component is equal to or higher than the trigger temperature, the deformation portion deforms to the direction where a diaphragm of the battery locates and the at least one tip end is allowed to pierce through the diaphragm, and thus the battery internal short circuit is triggered. The heating device is arranged outside the battery at the position corresponding to the deformation component. The heating device is used for carrying out fixed point local heating on the battery to enable the temperature of the deformation component to reach the trigger temperature. The invention also provides a trigger method of the battery internal short circuit.

The invention provides a bottom sediment active covering system for controlling sedimentary phosphate release. The bottom sediment active covering system comprises two earthwork cloth layers and a bottom sediment covering material layer between the two earthwork cloth layers, wherein the bottom sediment covering material layer is a combination comprising calcite and hydroxyapatite with the weight ratio of 5:1-1000:1, and particle sizes of the calcite and the hydroxyapatite are both 6-600 meshes. The invention also provides an application of the bottom sediment active covering system for controlling sedimentary phosphate release. The bottom sediment active covering system has the advantages that the earthwork cloth layers can be used for effectively preventing the integrity of a whole structure of the bottom sediment covering material layer from being damaged by the external conditions, and the disabled bottom sediment covering material layer is also simple to regularly change; the bottom sediment covering material layer is formed by the combination of the calcite and the hydroxyapatite with the weight ratio of 5:1-1000:1, so that release of bottom sediments can be effectively inhibited, fixing velocity of phosphate in the bottom sediments is rapid, and the fixing efficiency is high; and the bottom sediment active covering system is economic and is suitable to be widely popularized.

The invention provides an active bottom sediment coverage system for in-situ control of bottom sediment nitrogen and phosphorus release. The active bottom sediment coverage system structurally comprises a geotechnical cloth layer I, a zirconium modified zeolite coverage layer, a geotechnical cloth layer II, a mixture coverage layer and a geotechnical cloth layer III from top to bottom, the mixture coverage layer comprises hydroxyapatite particles, calcite particles and calcium modified zeolite particles with the weight ratio of 1:(1-1000):(1-1000), and the zirconium modified zeolite coverage layer comprises zirconium modified zeolite particles. The invention further provides a method of the active bottom sediment coverage system for in-situ control of bottom sediment nitrogen and phosphorus release. By the aid of the geotechnical cloth layers, structural integrity of bottom sediment coverage material layers can be effectively prevented from being damaged by external conditions, and loss of active coverage materials in the active bottom sediment coverage system is prevented. By taking the advantage that bottom sediment nitrogen and phosphorus release is respectively controlled by the coverage materials such as calcite, hydroxyapatite, calcium modified zeolite and zirconium modified zeolite, bottom sediment nitrogen and phosphorus release can be effectively and simultaneously controlled, nitrogen and phosphorus in bottom sediment are rapidly and efficiently fixed, and the active bottom sediment coverage system is suitable for wide popularization.

The invention provides a sleeve grouting defect ultrasonic detection device and method based on wavelet packet energy. The method comprises the following steps: a wavelet packet energy proportion vector is obtained through an ultrasonic detection signal on a prefabricated concrete member; a sleeve grouting defect index is obtained according to the vector; and a grouting condition of steel bar sleeve grouting connection is judged according to a value of the grouting defect index. According to the method provided by the invention, a defect with a certain size can be detected; the requirements inactual engineering can be met; no special requirements on the prefabricated member exist in the detection process; and damage cannot be caused.

The invention relates to an integral hoisting method for an ancient building algae well, which belongs to the technical field of ancient building restoration. The specific steps are as follows: the first step, algae well protection: an elastic protective layer is laid on the surface of the algae well, and the integrity of the algae well is protected by the reinforcement structure. Reinforcement; the second step, dimension measurement; the third step, setting up the bracket; the fourth step, the installation of the spreader; the fifth step, the overall lifting: slowly lift the caisson through the lifting mechanism, and adopt a multi-stage lifting method when lifting the caisson; Step 6: Restoration of the algae well: Slowly lower the algae well through the lifting mechanism, and adopt the method of segmental descent when the algae well is lowered. The invention can lift the caisson of the ancient building as a whole when repairing the beam frame of the ancient building with the caisson, so that the caisson does not need to be dismantled, so that the integrity of the caisson is not easy to be damaged.

The invention relates to the technical field of tunnel construction, in particular to a subsurface tunnel advanced disintegration mechanical crushing construction method which comprises the following steps: S1, construction preparation; s2, carrying out lofting; s3, splitting holes are formed; s4, blasting and crushing; s5, underbreak is checked; s6, primary support is constructed, a hard rock stratum of a tunnel face is disintegrated and crushed in advance by adopting conventional equipment such as a drilling machine and a blasting machine, so that the integrity of hard surrounding rock without development of a joint is damaged, the mechanical excavation difficulty is reduced in the excavation process, then excavation is performed by adopting a crushing head, disturbance to surrounding rock around an excavation section is small, and the excavation efficiency is improved. Adjacent construction, nearby buildings and traffic safety cannot be influenced; compared with excavation of a cantilever tunneling machine, the construction cost can be greatly reduced; compared with chiseling excavation with a single crushing head, the excavation feasibility of a hard rock stratum can be met, meanwhile, the construction efficiency is improved, construction resources are saved, and then the construction cost is reduced.

The invention discloses a method for quickly identifying cotton and hemp fibers, which comprises the following steps: (1) establishing an equation between the orientation degree of a sample of whole cotton and hemp and the spectral value corresponding to the characteristic wavelength of the whole cotton and hemp; (2) Collect the reflection mid-infrared spectrum of the sample to be tested, find out the spectral value of the sample to be tested corresponding to the characteristic wavelength of cotton and hemp in the reflection mid-infrared spectrum of the sample to be tested, and substitute the spectral value of the sample to be tested into the cotton, (3) compare the orientation degree of the sample to be tested with the value range of the orientation degree of the whole cotton and hemp samples, thereby determining whether the sample to be tested is cotton fiber or Whole hemp fiber. The method of the invention is not only simple to operate, but also can improve detection efficiency, reduce the work intensity and requirements of detection personnel, ensure the integrity of detection samples, and meet the needs of rapid detection in large quantities.

The invention provides an active bottom sediment coverage system for in-situ control of bottom sediment nitrogen and phosphorus release. The active bottom sediment coverage system structurally comprises a geotechnical cloth layer I, a zirconium modified zeolite coverage layer, a geotechnical cloth layer II, a mixture coverage layer and a geotechnical cloth layer III from top to bottom, the mixture coverage layer comprises hydroxyapatite particles, calcite particles and calcium modified zeolite particles with the weight ratio of 1:(1-1000):(1-1000), and the zirconium modified zeolite coverage layer comprises zirconium modified zeolite particles. The invention further provides a method of the active bottom sediment coverage system for in-situ control of bottom sediment nitrogen and phosphorus release. By the aid of the geotechnical cloth layers, structural integrity of bottom sediment coverage material layers can be effectively prevented from being damaged by external conditions, and loss of active coverage materials in the active bottom sediment coverage system is prevented. By taking the advantage that bottom sediment nitrogen and phosphorus release is respectively controlled by the coverage materials such as calcite, hydroxyapatite, calcium modified zeolite and zirconium modified zeolite, bottom sediment nitrogen and phosphorus release can be effectively and simultaneously controlled, nitrogen and phosphorus in bottom sediment are rapidly and efficiently fixed, and the active bottom sediment coverage system is suitable for wide popularization.

The invention provides a simple and effective method for constructing plant long fragment in situ DLO Hi-C sequencing library, which belongs to the technical field of plant three-dimensional genome. Mix with Triton X-100, centrifuge, mix the cell nucleus with the system, digest, connect the digested product with the linker, centrifuge, resuspend the cell nucleus in the system, mix with the connection system after a water bath, and centrifuge, and dissociate the cell nucleus Mix the linked system, uncrosslink, purify, incubate the DNA with the pretreated streptavidin magnetic beads, mix the magnetic beads with the Tn5 transposase system, digest and add adapters, wash away the background, amplify, and enrich DNA fragments to obtain sequencing libraries. When the method provided by the invention is used as the test object, the high-throughput data generated has strong advantages in data signal-to-noise ratio and chromatin interaction identification.