neutron造句241. Inside the sphere cavity, the ratio of ultra thermal neutron counting rate to thermal one is less than 10%, but the counting rates slightly depend on the position of thermal neutron detector.
242. The few fissile materials could not maintain the chain type response ( overwhelming majority neutron escape ).
243. The relative neutron sensitivity of the dosimeter for 14 Mev neutron ra ( ? ) from 0.024 to 0.027.
244. The experimental research of fast neutron resonance radiography(FNRR) was carried out with an on-off resonance peak method.
245. The neutron log data was used to analyze the distribution of fractures and fracture zones, and verify it with the core record and the televiewer logging results.
246. By measuring the scattered neutron intensity versus momenta and energy transfers, the structure and dynamical information of the biological macromolecules can be obtained.
247. Emphasis is put on the discussion about the sensitivity of thermal neutron radiography in defect detecting test and those factors which affect the sensitivity and the quality of the images.
248. The neutron is the main output of ICF. In order to analyze the process of hydrokinetics , an neutron imaging that can give high spatial and temporal resolution is needed.
249. A semiconductor fast neutron spectrometer consisting of a Au-Si surface barrier detector and a conical polyethylene foil radiator is described.
250. I called my radio astronomy friends yesterday and I asked them, "What is the rotation period of the neutron star in the Crab Nebula?"
251. The Green's function in Cartesian geometry can be used to replace the complex Green's function in cylindrical geometry when solving the neutron diffusion equation in cylindrical geometry.