Analysis of Pulmonary Trace Elements in Adults of Beijing Area—Pulmonary Biological Monitoring Reflects the Aerosol Composition of Inorganic Elements in Beijing Atmosphere
Methods Indoor PM2.5 samples were collected in nine residential sites using mini-volume sampler in Guangzhou in summer (June to July, 2003). Mass concentration of PM2.5 and the organic carbon (OC) and elemental carbon (EC) levels in PM2.5 were measured.
The elements of males were the same as that of females in total population, but the majority of the elements in serum had sex difference in different age-groups.
Content of Cd, Hg and As in hair and Cd, Zn and Cu in whole blood were thus determined According to the concentration of the elements presented in tissue and blood, it may be that only the possible influence of Cd on Se toxicity is worthy of consideration.
A basis is calledmonomial if each of its elements is the result of applying to a (fixed) highest weight vector a monomial in the Chevalley basis elementsYα, α a simple root, in the opposite Borel subalgebra.
We study the modificationA→A' of an affine domainA which produces another affine domainA'=A[I/f] whereI is a nontrivial ideal ofA andf is a nonzero element ofI.
A frame in a Hilbert space allows every element in to be written as a linear combination of the frame elements, with coefficients called frame coefficients.
The compounds were fully characterized by spectral and elemental analyses, and were tested for their effect on gross behavior, antireserpine and anorexigenic activity.
The synthesized compounds have been characterized on the basis of elemental analyses, infrared spectroscopy (IR), and nuclear magnetic resonance (NMR).
Both monomers and polymers were characterized by Fourier transform infrared spectroscopy, 1H nuclear magnetic resonance, and elemental analysis measurements, and their structures were identified.
We prove that the elements A\leqslant defined by Lusztig in a completion of the periodic module actually live in the periodic module (in the type A case).
It indicated that among the elements that made up the eggshell of the wild pheasant, the content of Ca, Mg, P and S was much higher, ω >amp;gt; 1 mg/g, with ω (Ca) being higher than 40% of the eggshell.