A star infiltration device and method of measuring the gravitational acceleration and soil-bearing capacity of a star are provided. The infiltration device is multifunctional and has a variable ramming frequency intensity. It comprises an infiltrator in which a rammer is driven by solenoid coils to move up and down in a conducting pipe to cause the infiltrator to penetrate a layer of star soil. Planetary gravitational acceleration is measured while the infiltrator is in the penetration state, star soil softness is evaluated during the penetration process, and star soil thermal parameters and temperature fluctuations are measured after penetration.

A star infiltration device and method of measuring the gravitational acceleration and soil-bearing capacity of a star are provided. The infiltration device is multifunctional and has a variable ramming frequency intensity. It comprises an infiltrator in which a rammer is driven by solenoid coils to move up and down in a conducting pipe to cause the infiltrator to penetrate a layer of star soil. Planetary gravitational acceleration is measured while the infiltrator is in the penetration state, star soil softness is evaluated during the penetration process, and star soil thermal parameters and temperature fluctuations are measured after penetration.

The invention relates to a method for preparing a tensile test on an elongate, more particularly fibrous, specimen, for example on a collagen fibril, comprising the steps of:providing the elongate specimen;attaching a handling particle to the elongate specimen;providing a force sensor, on which a retainer for the handling particle on the elongate specimen is disposed;connecting a handling apparatus to the handling particle on the elongate specimen; andconnecting the handling particle on the elongate specimen to the retainer on the force sensor by means of the handling apparatus. The invention also relates to a method and a device for performing a tensile test on an elongate specimen.

The invention relates to a method for preparing a tensile test on an elongate, more particularly fibrous, specimen, for example on a collagen fibril, comprising the steps of:providing the elongate specimen;attaching a handling particle to the elongate specimen;providing a force sensor, on which a retainer for the handling particle on the elongate specimen is disposed;connecting a handling apparatus to the handling particle on the elongate specimen; andconnecting the handling particle on the elongate specimen to the retainer on the force sensor by means of the handling apparatus. The invention also relates to a method and a device for performing a tensile test on an elongate specimen.

Provided are cylindrical battery cell impact test methods including disposing a cylindrical battery cell on a base; disposing a magnetic portion of a rod above a surface of the cylindrical battery cell; and dropping a weight toward the rod, and cylindrical battery cell impact test apparatuses therefor.

Provided are cylindrical battery cell impact test methods including disposing a cylindrical battery cell on a base; disposing a magnetic portion of a rod above a surface of the cylindrical battery cell; and dropping a weight toward the rod, and cylindrical battery cell impact test apparatuses therefor.

Provided are an energy absorbing and buffering device applied to a dynamic true triaxial electromagnetic Hopkinson bar and a testing and using method thereof. The device comprises an energy absorbing and buffering ring, an exhaust pipe and an inert gas storage bin. According to the testing and using method, the energy absorbing and buffering device is utilized and connected with a waveguide bar through a middle hollow structure; and a rear end of the energy absorbing and buffering ring is tightly attached to a baffle at a confining pressure loading end. The energy absorbing and buffering device provides energy absorbing and buffering for the waveguide bar, which prolongs a service life of the waveguide bar under an impact load.

Provided are an energy absorbing and buffering device applied to a dynamic true triaxial electromagnetic Hopkinson bar and a testing and using method thereof. The device comprises an energy absorbing and buffering ring, an exhaust pipe and an inert gas storage bin. According to the testing and using method, the energy absorbing and buffering device is utilized and connected with a waveguide bar through a middle hollow structure; and a rear end of the energy absorbing and buffering ring is tightly attached to a baffle at a confining pressure loading end. The energy absorbing and buffering device provides energy absorbing and buffering for the waveguide bar, which prolongs a service life of the waveguide bar under an impact load.

Provided are an energy absorbing and buffering device applied to a dynamic true triaxial electromagnetic Hopkinson bar and a testing and using method thereof. The device comprises an energy absorbing and buffering ring, an exhaust pipe and an inert gas storage bin. According to the testing and using method, the energy absorbing and buffering device is utilized and connected with a waveguide bar through a middle hollow structure; and a rear end of the energy absorbing and buffering ring is tightly attached to a baffle at a confining pressure loading end. The energy absorbing and buffering device provides energy absorbing and buffering for the waveguide bar, which prolongs a service life of the waveguide bar under an impact load.

Provided are an energy absorbing and buffering device applied to a dynamic true triaxial electromagnetic Hopkinson bar and a testing and using method thereof. The device comprises an energy absorbing and buffering ring, an exhaust pipe and an inert gas storage bin. According to the testing and using method, the energy absorbing and buffering device is utilized and connected with a waveguide bar through a middle hollow structure; and a rear end of the energy absorbing and buffering ring is tightly attached to a baffle at a confining pressure loading end. The energy absorbing and buffering device provides energy absorbing and buffering for the waveguide bar, which prolongs a service life of the waveguide bar under an impact load.