159 research outputs found

    Alien Registration Card- Muehle, Paul V. (Gorham, Cumberland County)

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    https://digitalmaine.com/alien_cards/1078/thumbnail.jp

    Alien Registration- Muehle, Paul V. (Gorham, Cumberland County)

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    https://digitalmaine.com/alien_docs/31596/thumbnail.jp

    Brownlee, Margaret

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    Margaret Brownlee is a multi-racial/Afro-Latina Lipstick Lesbian who was born and spent most of her life residing in Maine. Margaret was 16 when she came out and is now married to a woman and has a daughter. Margaret attended multiple universities–including Wells College, Lesley University, and the University of New England–as a first generation college student in her family with the goal of becoming a dancer. Margaret is currently a Burlesque dancer and instructor and is also employed with the Maine Department of Education. She has been involved in political activism and a number of organizations based in Maine–including Portland Outright, EqualityMaine, EmergeMaine, South Portland Human Rights Commission, Maine Black Community Development, and Indigo Arts.https://digitalcommons.usm.maine.edu/querying_ohproject/1084/thumbnail.jp

    Ekart, Donna

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    Donna Ekart is a 53-year-old queer, femme woman living in Portland, Maine. Ekart grew up in Manhattan, Kansas surrounded by both her immediate and extended family. Ekart moved to Portland, Maine with her wife when she was in her mid-forties. Ekart came out as queer to her friends and family when she was 40-years-old. She has been involved in LGBTQ+ organizations including Equality Maine, which is Maine’s biggest queer organization whose aim is to secure full equality for the LGBTQ+ community in Maine through political action, community organizing, education, and collaboration. Ekart’s religious identity and relationship with the Catholic Church played a big role in shaping who she is today. Although Ekart has faced challenges both within and outside the queer community with feeling invisible as a queer femme woman, the acceptance and support she received when she came out as queer to her Midwestern family is a heart-warming and rare story for someone born in the late 1960’s. Please cite as: Querying the Past: LGBTQ Maine Oral History Project Collection, Lesbian, Gay, Bisexual, Transgender, and Queer+ Collection, Jean Byers Sampson Center for Diversity in Maine, University of Southern Maine Libraries. For more information about the Querying the Past: Maine LGBTQ Oral History Project, please contact Dr. Wendy Chapkis.https://digitalcommons.usm.maine.edu/querying_ohproject/1076/thumbnail.jp

    The thermal state of molecular clouds in the Galactic Center: evidence for non-photon-driven heating

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    We used the Atacama Pathfinder Experiment (APEX) 12 m telescope to observe the J_KaKc=3_03-2_02, 3_22-2_21, and 3_21-2_20 transitions of para-H_2CO at 218 GHz simultaneously to determine kinetic temperatures of the dense gas in the central molecular zone (CMZ) of our Galaxy. The map extends over approximately 40 arcmin x 8 arcmin (~100x20 pc^2) along the Galactic plane with a linear resolution of 1.2 pc. The strongest of the three lines, the H_2CO (3_03-2_02) transition, is found to be widespread, and its emission shows a spatial distribution similar to ammonia. The relative abundance of para-H_2CO is 0.5-1.2 10^{-9}, which is consistent with results from lower frequency H_2CO absorption lines. Derived gas kinetic temperatures for individual molecular clouds range from 50 K to values in excess of 100 K. While a systematic trend toward (decreasing) kinetic temperature versus (increasing) angular distance from the Galactic center (GC) is not found, the clouds with highest temperature (T_kin > 100 K) are all located near the nucleus. For the molecular gas outside the dense clouds, the average kinetic temperature is 65+/-10 K. The high temperatures of molecular clouds on large scales in the GC region may be driven by turbulent energy dissipation and/or cosmic-rays instead of photons. Such a non-photon-driven thermal state of the molecular gas provides an excellent template for the more distant vigorous starbursts found in ultraluminous infrared galaxies (ULIRGs).Comment: 23 pages, 11 figures, A&A in pres

    Spectral Emission Properties of a Nitrogen-doped Diamond(001) Photocathode: Hot Electron Transport and Transverse Momentum Filtering

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    The electron emission properties of a single-crystal nitrogen-doped diamond(001) photocathode inserted in a 10kV DC photoelectron gun are determined using a tunable (235-410nm) ultraviolet laser radiation source for photoemission from both the back nitrogen-doped substrate face and the front homo-epitaxially grown and undoped diamond crystal face. The measured spectral trends of the mean transverse energy (MTE) and quantum efficiency (QE) of the emitted electrons are both anomalous and non-monotonic, but are shown to be consistent with (i) the known physics of electron photoexcitation from the nitrogen substitution states into the conduction bands of diamond, (ii) the energy position and dispersion characteristics of the conduction bands of diamond in the (001) emission direction, (iii) the effective electron affinity of the crystal faces, (iv) the strong electron-(optical)phonon coupling in diamond, and (v) the associated hot electron transport dynamics under energy equipartition with the optical phonons. Notably, the observed hot electron emission is shown to be restricted parallel to the photocathode surface by the low transverse effective masses of the emitting band states - a transverse momentum filtering effect.Comment: 14 pages, 4 figure

    Cored Rutherford cables for the GSI fast ramping synchrotron

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    The new heavy ion synchrotron facility proposed by GSI will have two superconducting magnet rings in the same tunnel, with rigidities of 200 T/spl middot/m and 100 T/spl middot/m. Fast ramp times are needed, which can cause significant problems for the magnets, particularly in the areas of ac loss and field distortion. This paper discusses the 200 T/spl middot/m ring, which will use Cos/spl theta/ magnets based on the RHIC dipole design. We discuss the reasons for choosing Rutherford cable with a resistive core and report loss measurements carried out on cable samples. These measurements are compared with theoretical calculations using measured values of inter-strand resistance. Reasonably good agreement is found, but there are indications of nonuniformity in the adjacent resistance R/sub a/. Using these measured parameters, losses and temperature rise are calculated for a RHIC dipole in the operating cycle of the accelerator. A novel insulation scheme designed to promote efficient cooling is described

    Mitochondrial biogenesis is transcriptionally repressed in lysosomal lipid storage diseases

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    Perturbations in mitochondrial function and homeostasis are pervasive in lysosomal storage diseases, but the underlying mechanisms remain unknown. Here, we report a transcriptional program that represses mitochondrial biogenesis and function in lysosomal storage diseases Niemann-Pick type C (NPC) and acid sphingomyelinase deficiency (ASM), in patient cells and mouse tissues. This mechanism is mediated by the transcription factors KLF2 and ETV1, which are both induced in NPC and ASM patient cells. Mitochondrial biogenesis and function defects in these cells are rescued by the silencing of KLF2 or ETV1. Increased ETV1 expression is regulated by KLF2, while the increase of KLF2 protein levels in NPC and ASM stems from impaired signaling downstream sphingosine-1-phosphate receptor 1 (S1PR1), which normally represses KLF2. In patient cells, S1PR1 is barely detectable at the plasma membrane and thus unable to repress KLF2. This manuscript provides a mechanistic pathway for the prevalent mitochondrial defects in lysosomal storage diseases.Peer reviewe
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