نتایج جستجو برای: deuterium
تعداد نتایج: 8846 فیلتر نتایج به سال:
The isotope dilution technique for measuring total body water (TBW), and the doubly labelled water (DLW) method for measuring energy expenditure, are both sensitive to small variations in the ratio of the hydrogen to oxygen-18 dilution space. Since the dilution space ratio varies between individuals, there has been much recent debate over what causes this variability (i.e. physiological differe...
The D(d, n)3He reaction is one of the common monoenergetic neutron sources. We compile Frag Data table from literature as an external cross-section data for PHITS. confirm validity by calculation total and angular yield calculations ideal deuterium thin target. Finally, PHITS with applied to spectrum gas target deuterium-loaded titanium Tohoku University Fast Neutron Laboratory.
Deuterated medicinal chemistry is an attempt to introduce deuterium into existing drug molecules through the replacement of hydrogen atoms (-H) with (-D). The process deuteration reduce rates breaking carbonhydrogen bond. If carbon-hydrogen bond rate-determining step in biotransformation drug, deuterated may show improved pharmacokinetic characteristics, such as a longer half-life, hence loweri...
The retarding effect of deuterium on biological processes has been a matter of interest to many investigators. However, the early studies in this connection were concerned mainly with the biological effects of deuterium when it was present in excess amounts in the water of the medium. Little work appears to have been done on the effect of deuterium on the rates of biological reactions in which ...
In situ small-angle neutron scattering (SANS) measurements of deuteride precipitation in well-annealed, undeformed single crystal Pd have been performed at room temperature to observe the morphology of the precipitate as the deuterium fraction was increased over a range of 0.005 to 0.097 [D] / [Pd]. Supporting measurements were made of the room temperature deuterium solubility isotherm in the s...
We conducted a real-time soft-error rate characterization of CMOS bulk 65-nm static random access memories (SRAMs) subjected to fusion neutrons during deuterium–deuterium (D-D) plasma operation at W–tungsten–Environment in Steady-state Tokamak (WEST). The test equipment, installed the experimental hall several locations tokamak, was irradiated machine shots by flux particles dominated primary 2...
We calculate nuclear shadowing in lepton-deuteron deep inelastic scattering, which arises from the double scattering of the virtual photon from both nucleons in the deuteron. The total correction to the deuteron structure function is found to be < ∼ 1% at small x, but dependent on the model deuteron wavefunction. The resulting increase in the corrected neutron structure function is ∼ 1 − 2% for...
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