Sentence examples for protective lead from inspiring English sources
A radioactive source capable of emitting alpha particles (i.e., positively charged particles, identical to the nucleus of the helium atom and 7,000 times more massive than electrons) was enclosed within a protective lead shield.
The west front has two 13th century buttressed towers 27.4 m high that were originally topped with wooden spires covered in protective lead.
Although the dose limit of 20 mSv/year is much higher than the expected annual occupational doses from DXA, the use of a protective lead shield may be necessary occasionally for fan-beam systems in a confined space to ensure that the operator dose is as low as possible [ 34].
In our institution, an evaluation (by TCM) was made of protective lead garments at various sites, with only 5 of 182 samples positive for any bacteria, all normal skin flora; another assessment of computer keyboards/mice recovered S. aureus, Acinetobacter spp., or Pseudomonas spp. on 17% of tested surfaces [ 2, 4].
When played immediately following exposure to trauma, "the Tetris game had a protective effect," lead researcher Emily Holmes, a professor at Oxford, said.
30 Protective variants lead to less ERAP1 activity, and less efficient trimming of HLA-B27 ligands.
Thus, an increased level of HDL as observed in this study may not (necessarily) be protective or lead to a decreased risk of CVD.
Lead-based underglazes with a protective non-lead overglaze will probably be safe initially, if the glaze was fired properly.
The failure, against the advice of such leaders as General Eric Shinseki, then the Army chief of staff, to deploy an adequate protective force led to unchallenged looting of government buildings, hospitals, museums, and — most inexcusable of all — arms depots.
The absence of a protective cage leads to a mode-related identification of vulnerable road users: pedestrians, cyclists, moped riders and motorcyclists.
The improvement of social and economic conditions within mountain communities and the progressive shift from an intensive use of the forests towards a protective policy led to the conversion of many beech coppices into high stands.
