منابع مشابه
Swallow surprise
of Virginia's governor Tim Kaine to sign a bill banning the use of certain state funds for embryonic stem cell research. This move has an ironic twist as Obama nominated Kaine as chairman of the Democratic National Committee, a position he will take on full time when his term as governor expires next January. In Germany, production of and research with new stem cell lines are still off limits, ...
متن کاملThe Cave Swallow in Texas
Among the group of birds of tropical and subtropical distribution that reach their northern limits in the southwestern United States, the Cave Swallow (Petrochelidon fulvu) is of special interest since it nests colonially in caves. It was first reported in the United States by Scott (1890), who collected two vagrants of the.Cuban and Isle of Pines race, P. f. “caticoZa” (= cmmata, fide Hellmayr...
متن کاملSwallow preservation exercises during chemoradiation therapy maintains swallow function.
OBJECTIVE To evaluate a swallow preservation protocol (SPP) in which patients received swallow therapy before, during, and after radiation treatment and its efficacy in maintaining swallowing function in head and neck cancer patients. DESIGN Case series with chart review. SETTING Tertiary care academic medical center. SUBJECTS AND METHODS Eighty-five patients who received radiation (RT) o...
متن کاملBasic Solar Chimney Flow Improvements
Preliminary note This paper deals with the numerical analysis procedure and results of flow simulation through solar chimney. Because of relatively low Reynolds numbers, some aerodynamic improvements could be obtained. The paper links input heat energy with geometry or air flow parameters. Basic solar chimney geometry is carried out and analyzed with CFD application in three dimensional domain....
متن کاملVRACs swallow platinum drugs.
Platinum-based drugs such as cisplatin and carboplatin are on the WHO model list of essential medicines, as highly effective chemotherapeutic drugs for the treatment of various solid tumors. These drugs react with purine residues in DNA, thereby causing DNA damage, inhibition of cell division, and eventually cell death. However, the mechanisms whereby platinum-based drugs enter cancer cells rem...
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ژورنال
عنوان ژورنال: The American Naturalist
سال: 1869
ISSN: 0003-0147,1537-5323
DOI: 10.1086/270345