2,351 research outputs found
Personal Papers (MS 80-0002)
War bonds and stamps report for the Austin unit of the American Women's Voluntary Services. The report asks how many war bonds and stamps the unit has sold; Mrs. C.H. Perry Jr. responds that the Austin unit does not make such sales regularly
Marriage record of Hays, Perry W. and Altman, Annie C.
Marriage license for Perry W. Hays and Annie C. Altman. C.H. Summers was the officiant
Response to the Round Table on Why Did We Choose to Industrialize? Montreal 1819–1849
Author Robert C.H. Sweeny responds to comments on his award-winning book, Why Did We Choose to Industrialize? Montreal 1819–1849.L’auteur Robert C.H. Sweeny répond aux commentaires de son livre récompensé, Why Did We Choose to Industrialize? Montreal 1819–1849
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Observations of the northern polar cusp with the Polar spacecraft
c-Myc represses the murine Nramp I promoter
The Nramp1 (natural resistance-associated macrophage protein 1) gene modulates the growth of intracellular pathogens and encodes a divalent cation transporter within lysosomes/late endosomes of macrophages. Nramp1 modulates the cytoplasmic iron pool. Wu, Polack and Dalla-Favera [(1999) Science 283, 676–679] showed reciprocal control of H-ferritin and IRP2 by c-Myc, and suggest that c-Myc regulates genes to increase cytoplasmic iron. A role for c-Myc in Nramp1 regulation was evaluated. Co-transfection studies show that c-Myc represses Nramp1 promoter function. Five non-canonical Myc-max binding sites (E-box) identified within the Nramp1 5´-flanking sequence are not responsible for the inhibitory effects of c-Myc on Nramp1 expression. An initiator(s) adjacent to the transcription-initiation site is a candidate for the inhibition observed. Results are consistent with a role for Nramp1 removing iron from the cytosol and antagonizing c-Myc function
Seasonal and spatial patterns of adult Antarctic krill at the Antarctic Peninsula: insights from a 41 year data analysis
Locating the spawning grounds of Antarctic krill Euphausia superba is key to understanding their population dynamics and managing the commercial krill fishery. In the shelf waters of the Antarctic Peninsula where krill and their fishery are concentrated, a recent relaxation of fishing quotas has meant that locally successful spawning grounds could become increasingly targeted. This study revisits the existing paradigm that in summer, larger adult krill migrate awayfrom these shelf-based fishing grounds, out towards oceanic waters to spawn off the shelf break (>1000 m). Our findings support a seasonal on-shelf division of adult krill, with smaller krill closer inshore. However, contrary to current understanding, our results suggest that 85% of the largest and most fecund >50 mm krill remain on-shelf during the summer spawning season. All adults(>30 mm) were strongly concentrated over the shelf throughout the whole spring–summer–autumn transition, with no evidence for any summer redistribution off-shelf. The Western Antarctic Peninsula (WAP) has strong on-shelf–off-shelf gradients in chlorophyll a and sea surface temperature,and based on generalised additive models, our study suggests that the high food requirement of adult krill, coupled with an oligotrophic off-shelf environment, contributes to the distribution of krill observed at the Antarctic Peninsula. The concentration of large, nutritious krill over the shelf throughout the season may be advantageous to land-based predators but raises concern for the management of fisheries that are becoming increasingly concentrated within the key adult krill habitat along the northern shelf of the WAP
OPTICAL PHONONS IN TYSONITE RARE EARTH FLUORIDES.
This work was supported in part by the Joint Services Electronics Program (Contract DA 28-043-AMC 02536(E)), by a N.A.S.A. grant NGR22-009-(237) and by the U.S. Air Force (ESD Contract AF19(628)-6066). Present address of R.P. Lowndes and C.H. Perry: Dept. of Physics, Northeastern University, Boston, Massachusetts 02115.Author Institution: Spectroscopy Laboratory and Research Laboratory of Electronics, Massachusetts Institute of TechnologyResults are presented of a far infrared interferometric research program to assess the potential use as host materials for solid state lasers of those rare earth trifluorides crystallizing in the tysonite structure. Kramers-Kronig analyses of the polarized lattice-vibrational reflection spectra of and , taken as a close function of temperature between and , have led to an assignment of the crystal symmetry of the tysonite structure and have provided an assessment of the strength of non-linear interactions in these materials
OBSERVATION OF TWO-MODE BEHAVIOR IN AN ALKALI HALIDE MIXED CRYSTAL SYSTEM.
This work was supported in part by the Joint Services Electronics Program (Contract DA28-043-AMC 02526(E) ) and by the U.S. Air Force (ESD Contract AF19(628)-6066). Present address of C.H. Perry: Department of Physics Northeastern University, Boston, Mass. 02115.Author Institution: Spectroscopy Laboratory and Research Laboratory of Electronics, Massachusetts Institute of TechnologyUntil recently only one mode behavior has been observed in alkali-halide mixed crystals such as KCl-KBr. However solid solutions of appear to exhibit two modes over part of the composition range. These results have been observed directly in transmission measurements of evaporated thin films and in reflection of pressed powders as a function of temperature. Several models have been applied to describe the observed frequency variation with composition, and the conditions necessary for the existence of local and gap modes will be discussed
Recourse against Judgments in the Netherlands
In the 1980s, the Netherlands witnessed the start of a comprehensive programme of reform in the fields of judicial organisation and procedure. The reform programme consists of three stages, of which the first has now been completed. This has, amongst other things, resulted in the consolidation of several administrative procedures which were formerly adjudicated by different judicial bodies, in the Arrondissementsrechtbank. Consequently, the Arrondissementsrechtbank has obtained extensive administrative jurisdiction together with its jurisdiction in civil and criminal cases. As part of the reforms in the second stage, a bill has been submitted to Parliament which contains changes in the court structure. It is proposed to abolish the Kantongerecht and to reallocate its jurisdiction to the Arrondissementsrechtbank, transforming the latter court into a general first-instance court. In addition, the bill contains changes in the Code of Civil Procedure. In the present report the author discusses the current situation January 1998
April 2, 1912 Page four Road matters today Stealing park flowers Local option election (From Page one) Revenue cutter orders Visiting her husband Liquor licenses granted Custom House removal again (From Page one) Some classy stock
Pedrick, Willets; Hope, A.; Perry, K.W.; Early, John; roth, A.; Galater, W.M.; Lutz, David; Snell, W.H.; Hyde, C.H.
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