Letteratura scientifica selezionata sul tema "Massachusetts State Division"
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Articoli di riviste sul tema "Massachusetts State Division"
1
Fagan, Karen A., Kamal K. Mubarak, Zeenat Safdar, Aaron Waxman, and Roham T. Zamanian. "Expanded Use of PAH Medications." Advances in Pulmonary Hypertension 7, no. 1 (2008): 249–54. http://dx.doi.org/10.21693/1933-088x-7.1.249.
Testo completoAbstract (sommario):
This discussion was moderated by Karen A. Fagan, MD, Professor and Director, Division of Pulmonary Medicine, University of South Alabama College of Medicine, Mobile, Alabama. Panel members included Kamal K. Mubarak, MD, Assistant Professor of Medicine, Director, Pulmonary Hypertension Clinic, Wayne State University, Detroit, Michigan; Zeenat Safdar, MD, Assistant Professor of Medicine, Department of Medicine, Section of Pulmonary, Critical Care, and Sleep Medicine, Baylor College of Medicine, Houston, Texas; Aaron Waxman, MD, PhD, Associate Professor of Medicine, Harvard Medical School, Director, Pulmonary Vascular Disease Program and Pulmonary Critical Care Unit, Massachusetts General Hospital, Boston, Massachusetts; and Roham T. Zamanian, MD, Assistant Professor of Medicine, Director, Adult Pulmonary Hypertension Clinical Service, Vera Moulton Wall Center for Pulmonary Vascular Disease, Stanford University School of Medicine, Stanford, California.
2
Fingerman, Karen L. "Enhancing Student Interest in the Psychology of Aging: An Interview with Susan Krauss Whitbourne." Teaching of Psychology 27, no. 3 (2000): 224–29. http://dx.doi.org/10.1207/s15328023top2703_11.
Testo completoAbstract (sommario):
Karen L. Fingerman is an assistant professor of Human Development and Family Studies at Pennsylvania State University. Her research examines positive and negative emotions in lifelong relationships, including mother-daughter ties, grandparent-grandchild relationships, and friendships. She recently received the Springer Award for Early Career Achievement in Research on Adult Development and Aging from Division 20 of the American Psychological Association. She teaches courses in life span development, adult development, and social gerontology. Susan Krauss Whitbourne is a professor of Psychology at the University of Massachusetts, Amherst; Coordinator of the Office of National Scholarship Advisement in Commonwealth College; the faculty adviser to the Psi Chi Chapter; and Coordinator of the Honors Program in Psychology. She conducts research on identity in adulthood and old age and its relation to physical functioning. A former president of Division 20 of the American Psychological Association, she is currently serving as Division 20 Council Representative. She has written 10 books and nearly 100 articles and chapters on the topic of aging and adult development and is active in teaching introductory psychology as well as courses on aging.
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Wallace, Eric L., Janice Lea, Ninad S. Chaudhary, et al. "Home Dialysis Utilization among Racial and Ethnic Minorities in the United States at the National, Regional, and State Level." Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis 37, no. 1 (2017): 21–29. http://dx.doi.org/10.3747/pdi.2016.00025.
Testo completoAbstract (sommario):
BackgroundUnited States Renal Data System (USRDS) data from 2014 show that African Americans (AA) are underrepresented in the home dialysis population, with 6.4% versus 9.2% utilization in the general populace. This racial disparity may be inaccurately ascribed to the nation as a whole if regional and inter-state variability exists. This investigation sought to examine home dialysis utilization by minority Medicare beneficiary populations across the US nationally, regionally, and by individual state.MethodsThe 2012 Medicare 100% Outpatient Standard Analytic File was used to identify all Medicare fee-for-service (FFS) patients, with state of residence and race, receiving an outpatient dialysis facility bill type. Peritoneal dialysis (PD) and home hemodialysis (HHD) patients were identified using revenue and condition codes and were defined by having at least one claim during the year that met criteria for the category. Beneficiaries were counted once for each modality used that year. A home dialysis utilization ratio (UR) was calculated as the ratio of the proportion of a minority on PD or HHD within a geographic division to the proportion of Caucasians on PD or HHD within the same geographic division. A UR less than 1.00 indicated under-representation while a UR over 1.00 indicated over-representation. Utilization ratios were compared using a Poisson regression model.ResultsA total of 369,164 Medicare FFS dialysis patients were identified. Within the total cohort, AA were the most underrepresented minority on PD (UR 0.586; 95% confidence interval [CI]: 0.585 – 0.586; p < 0.0001), followed by Hispanics (UR 0.744; 95% CI 0.743 – 0.744; p < 0.0001). The underutilization of PD by AA and Hispanics could not be ascribed to any region of the US, as all regions of the US had UR < 1.00. Only Massachusetts had a UR > 1.00 for AA on PD. Peritoneal dialysis UR values for Asians and those self-identified as Other were 0.954; 95% CI 0.953 – 0.954 and 0.932; 95% CI 0.931 – 0.932, respectively. Nationally, all minorities utilized HHD less than Caucasians. However, more variability existed, with Asians utilizing more HHD than Caucasians in the Midwest.ConclusionsAlthough regional and interstate variability exists, there is near universal under-representation of AA and Hispanics in the home dialysis population, while Asians and Other demonstrate more interregional and interstate variability.
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Hedden, Debra Gordon, George N. Heller, Jere T. Humphreys, and Valerie A. Slattery. "Alice Carey Inskeep (1875-1942): A Pioneering Iowa Music Educator and MENC Founding Member." Journal of Research in Music Education 55, no. 2 (2007): 129–47. http://dx.doi.org/10.1177/002242940705500204.
Testo completoAbstract (sommario):
The purpose of this study was to examine the professional contributions of Alice Carey Inskeep (1875-1942), who contributed significantly to music education through her positive and effective teaching, supervising, community service, and leadership in music education. Inskeep was born in Ottumwa, Iowa, and taught for five years in that city's school system after graduating from high school. She served as music supervisor in Cedar Rapids, Iowa, for most of the remainder of her career, where she provided progressive leadership to the schools and community. She was one of three people appointed to plan the initial meeting in Keokuk, Iowa, for what eventually became MENC: The National Association for Music Education, and she was one of sixty-nine founding members of the organization in 1907. The Keokuk meeting served as an impetus for Inskeep to travel to Chicago, where she studied with several notable music educators. Later, she sat on the organization's nominating committee, the first Educational Council (precursor to the Music Education Research Council) board of directors, and provided leadership to two of the organization's affiliates, the North Central Division and the Iowa Music Educators Association. She served as a part-time or summer faculty member at Iowa State Normal School and Coe College in Cedar Falls and Cedar Rapids, Iowa, respectively, and the American Institute of Normal Methods in Evanston, Illinois, and Auburndale, Massachusetts.
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Cann, Dr Steven, Adam Breymeyer, Michael K. Moore, et al. "LORAN B. SMITH." PS: Political Science & Politics 43, no. 01 (2010): 167–69. http://dx.doi.org/10.1017/s1049096510990902.
Testo completoAbstract (sommario):
Dr. Loran B. Smith passed away in Topeka, Kansas, on July 24, 2009. He was born on July 23, 1946. He was the son of Gordon T and Edith A (Hibbard) Smith of Medford, Massachusetts. Loran received his bachelors degree at Salem State College (Massachusetts) in 1968, a masters from Oklahoma State in 1971, and then taught at Black Hills State (Spearfish, South Dakota) from 1971–1974 and Augustana College in Souix Falls from 1974–1977. He received his Ph.D. from the University of Nebraska-Lincoln in 1980 and taught at Missouri Southern State College in Joplin until 1982. He then came to Washburn University of Topeka, where he taught until his death. While “Doc” Smith (as the students referred to him) published sufficiently enough to be awarded tenure and promotion to professor, that was not his forte. Loran was a gifted teacher. His CV lists 23 teaching awards, including Washburn's Faculty Certificate of Merit, a university-wide teaching honor based on student elections, from 1985–1998. Loran was also extremely active in faculty governance and other service to the university and the Topeka community. He was on the university's faculty governing body from 1996–2006, serving as its vice president in 2002 and president from 2003–2005. He was the chairman of the Social Science Division almost all of the 1990s and he also served as the chairman of the college's curriculum committee during that same time span. As Washburn is an open-admission university, we have retention problems not experienced by most universities. Loran researched, organized, and ran a college experience program for at-risk students. He was very active in ASPA, serving as the Kansas chapter president from 1987–1988, indeed, his auto license plate read “KS ASPA” and was purchased for him by students he had recruited into ASPA. Loran's main area of academic interest was state and local government and he was the election night expert for one of the local TV stations here in the capital of Kansas from 1984–1992. What occupied most of his time and energy outside of his official academic duties was serving as the faculty advisor for a local chapter of the Sigma Phi Epsilon fraternity. Doc Smith took what was a typical college fraternity and turned it into a modern association of men that consistently had the highest average GPA of all the fraternities and sororities on campus. It was not unusual for Loran to pay for a student's tuition and fraternity house bill, buy students books, and lend money to a needy student. Loran had a reputation for frugality (his apartment had a TV but no cable, a rotary phone, and he rented all of his furniture and appliances). Loran's tightness with money turned out to be a big benefit for the fraternity. One chapter official put it this way, “Through his notorious tight-fisted watch over finances, the Chapter was able to wipe out a significant debt to the National Housing Corporation ahead of schedule and helped the chapter build a significant savings by 2000.” People who knew Loran thought that he was not married but Loran was married to his job. Not only was Loran in his office nearly every evening until 10:00 p.m., but he was there all day Saturday and Sunday too, and, more often than not, there was a student in that office talking with him.
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Phillips, Winfred M. "The Artificial Heart: History and Current Status." Journal of Biomechanical Engineering 115, no. 4B (1993): 555–57. http://dx.doi.org/10.1115/1.2895539.
Testo completoAbstract (sommario):
Twenty-years ago groups from California to Massachusetts were actively involved in the development of an artificial heart. From biomaterials development to biomedical power sources, the supporting industry and spin-off benefit was broad indeed. Young people were seeking careers in biomedical engineering and science. The National Institutes of Health was supporting artificial heart research at $10 to $12 million dollar levels. Groups at Andros, Inc. (now Baxter Novacor) and Stanford, Thoratec, Penn State and the Hershey Medical Center, Cleveland Clinic and the Division of Artificial Organs, the University of Utah, the Texas Heart Institute and the Baylor College of Medicine, Thermal Electron Corporation, and many more were the source of research and breakthrough development of pumps and systems for artificial hearts. We reported on performance criteria for an artificial heart pump at the First Biomechanics Symposium in 1973 [1]. By the beginning of the decade of the 90’s, thousands of presentations had been made and manuscripts written reporting significant progress in the development of artificial heart pumps and systems. The Heart, Lung and Blood Institute of the National Institutes of Health was supporting an artificial heart contract research and development program at a level of $6 million dollars in 1991 [2]. Broad basic research grant activity also continues. The National Institutes of Health’s artificial heart program received renewed support from the Institute of Medicine’s special review in 1991 [3]. In December of 1992, the 16th Annual Cardiovascular Science and Technology Conference attracted over 500 attendees. This annual conference has provided a continuing forum for an update on progress in artificial heart development.
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McDade, Theodore P., Jillian K. Smith, Zeling Chau, Elan R. Witkowski, James K. West, and Jennifer F. Tseng. "Inequal benefits from regionalization of cancer care: The pancreatic cancer surgery paradigm." Journal of Clinical Oncology 30, no. 15_suppl (2012): 4059. http://dx.doi.org/10.1200/jco.2012.30.15_suppl.4059.
Testo completoAbstract (sommario):
4059 Background: Regionalization has been proposed for high-level care, including multidisciplinary cancer treatment and complex procedures. Pancreatic resections can serve as a marker for both. Using Massachusetts Division of Health Care Finance and Policy (DHCFP) data, we investigated regionalization of surgery for pancreatic cancer (PCa), its potential effect on perioperative outcomes, and disparities in access to high-volume PCa surgery centers. Methods: Using MA DHCFP Hospital Inpatient Discharge Data, 2005-2009, 10,524 discharges for PCa were identified, of which 746 were associated with pancreatic resection. Discharges with missing or out-of-state residence were excluded (n=704). Using geodetic methods and ZIP codes, center-to-center distances were calculated between patient (pt) and treating hospital. Median ZIP income was estimated from 2009 census data. High volume hospitals (4 of 25 performing pancreatic resections in MA) were defined using Leapfrog Criteria (> 11 per year (87th percentile for MA). Chi-square and logistic regression analyses were performed using SAS software. Results: Median age was 65. Pts were predominantly White (87.2%), with median ZIP income of $54,677. Pts travelled in-state up to 112 miles (median 15.4), with the majority resected at high volume hospitals (76%). Median length of stay (LOS) was 8.0 days, with LOS>1 week associated with low volume hospitals (p=0.0002). Of 14 in-hospital deaths, 7 were at low volume hospitals (4.14% of 169 pts) compared to 7 at high volume hospitals (1.31% of 535 pts) (p=0.0214). Predictors of shorter travel distance were: Black race (OR 4.45 (95% CI 1.66-11.93)), operation at low volume hospital (OR 2.62 (95% CI 1.81-3.77), and increased age (per year) (OR 1.02 (95% CI 1.00-1.03), but not sex or median income. Conclusions: Using MA statewide discharge data, regionalization of pancreatic cancer surgery to high-volume, better-outcome centers is seen to be occurring. However, it is not uniform, and disparities exist between groups of cancer pts that do and do not travel for their care. In the current era of scrutiny on cost, quality, and access to cancer care, further study into predictors of pts receiving optimal care is warranted.
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Tagal, Vural, Jackson Cole, Daria Miroshnychenko, Andriy Marusyk, and Noemi Andor. "Abstract A024: Ploidy as a predictive biomarker for gemcitabine sensitivity in triple-negative breast cancers." Cancer Research 84, no. 3_Supplement_2 (2024): A024. http://dx.doi.org/10.1158/1538-7445.canevol23-a024.
Testo completoAbstract (sommario):
Abstract The polyploid giant cancer cell (PGCC) state is a common response of cancer cells to various stressors including chemotherapy, irradiation, hypoxia and viral infection. Upon stress, PGCCs adopt an endoreplication in which the genome replicates, mitosis is omitted, and cells grow in size, causing drug resistance. How accessible endoreplication is to a cell, therefore, directly translates to its resistance to therapy. In this study, we hypothesized that endoreplication and PGCC state are more accessible to cancer cells that already have a higher ploidy content prior to therapy. To test this hypothesis, we developed a comprehensive three-tier framework consisting of i) computational, ii) in-vitro and iii) in silico components. First, we designed a set of ordinary differential equations (ODEs) to mathematically model how cells enter and exit the PGCC state in response to a given stressor. We engineered how this in silico approach interacts with in vitro experiments into a broadly applicable software solution called CLONEID. The software uses computer vision to monitor phenotypic changes in cell and nuclear size from standard bright-field microscopy and classify cells into PGCC and non-PGCC states. We used CLONEID to test various therapeutic agents for their ability to select for a stable near-tetraploid (4N) population in a set of near-diploid (2N) cell lines. Through spontaneous cell fusions, we also obtained tetraploid breast cancer cells matched with their parental lines. Altogether, this framework enabled us to i) monitor the PGCC state experimentally in ii) two sets of matched isogenic cell lines with 2N and 4N DNA content to iii) model the successful entry and exit rates to and from the endoreplication state, respectively. As the first application of this framework, we tested the ability of our 2N and 4N TNBC lines (SUM159 and MDA-MB-231) to access the PGCC state upon treatment with 18 chemotherapy agents. Among those drugs, we observed that only gemcitabine caused continued cell growth without cell division in both tetraploid SUM159 and MDA-MB-231 cells whereas near-diploid parental lines were hypersensitive to the treatment. Consequently, tetraploid cancer cells continued to safely grow in the presence of gemcitabine. Furthermore, these PGCCs re-entered the proliferative cell cycle and grew in cell number when treatment is terminated. Gemcitabine-based chemotherapy is a standard treatment for patients with TNBC although its efficacy is limited mainly due to drug resistance. We expect our findings and three-component framework strategy to help stratify the TNBC patient population by their response to gemcitabine. In addition, our mathematical modelling approach has the promising potential to inform personalized dose optimization and to effectively decrease administered gemcitabine dose for a subset of patients, which would alleviate severe therapy-associated side effects and co-morbidities. Citation Format: Vural Tagal, Jackson Cole, Daria Miroshnychenko, Andriy Marusyk, Noemi Andor. Ploidy as a predictive biomarker for gemcitabine sensitivity in triple-negative breast cancers [abstract]. In: Proceedings of the AACR Special Conference in Cancer Research: Translating Cancer Evolution and Data Science: The Next Frontier; 2023 Dec 3-6; Boston, Massachusetts. Philadelphia (PA): AACR; Cancer Res 2024;84(3 Suppl_2):Abstract nr A024.
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Gallaher, Jill A., Maximilian Strobl, Jeffrey West, Mark Roberston-Tessi, and Alexander R. A. Anderson. "Abstract PR006: Evolution of evolvability." Cancer Research 84, no. 3_Supplement_2 (2024): PR006. http://dx.doi.org/10.1158/1538-7445.canevol23-pr006.
Testo completoAbstract (sommario):
Abstract The purpose of this work is to better understand how the rate of phenotypic adaptation of cells in a tumor affects its ability to survive treatment. Drug resistance is an ongoing problem for maintaining a sustained response in treating advanced cancers. Regardless of their lineage, heritable phenotypic adaptions may be beneficial for the tumor to survive stepwise changes in the environment during tumor growth. There may be further benefit for cells to develop the trait of being adaptable - to respond to large shifts in the microenvironment, survive metastasis to a new organ, and thrive when treatments are applied. Genomic instability and phenotypic redundancy may aid in adaptations, but there may be limits. With too much mutation and deviation from the parental phenotype, cells lose important regulatory and maintenance functions necessary to survive. So is there an optimal rate of evolvability? We use an off-lattice agent-based model to investigate how the rate of change through phenotypic trait space affects tumor growth and response to treatment. We assign cells with different combinations of proliferation rates and migration speeds and test how the variance from the parental cell on division affects the selection of trait combinations over time. During growth, heterogeneity is gained quickly and space matters less if evolvability is forced to continually increase, but there is more selection for proliferative phenotypes and slower evolvability if its rate is allowed to drift freely. We found that tradeoffs generally imposed a greater selection force leading to faster recurrence and the coexistence of proliferation or migration specialists. We compared responses to continuous, intermittent, and adaptive treatment schedules of an anti-proliferative drug. At some point with treatment, there is an optimal evolvability, as larger increases in diversity allows for cells to fall back into a sensitive state and be killed by treatment. We aim to design better treatment strategies that work for tumors with different levels of evolvability by understanding how the rate of tumor evolution affects growth and treatment response. Citation Format: Jill A. Gallaher, Maximilian Strobl, Jeffrey West, Mark Roberston-Tessi, Alexander R. A. Anderson. Evolution of evolvability [abstract]. In: Proceedings of the AACR Special Conference in Cancer Research: Translating Cancer Evolution and Data Science: The Next Frontier; 2023 Dec 3-6; Boston, Massachusetts. Philadelphia (PA): AACR; Cancer Res 2024;84(3 Suppl_2):Abstract nr PR006.
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Kregar, Lori D., Nicholas Williams, Joe Lee, Jyoti Nangalia, and Peter Campbell. "Abstract PR017: Properties of somatic methylation changes in human hematopoietic stem cells in health and disease." Cancer Research 84, no. 3_Supplement_2 (2024): PR017. http://dx.doi.org/10.1158/1538-7445.canevol23-pr017.
Testo completoAbstract (sommario):
Abstract Cancer is the proliferation of a genetic clone at the expense of its neighbours and normal tissue function. Studies have shown that with ageing, normal tissues become colonised by expanding clones, which acquired fitness-enhancing mutations that allow them to over-proliferate relative to their neighbours. However, whether the clones’ founding cell also carries an epigenome that is inherited by the expanding clone is incompletely understood. In the following study, we performed multi-omic profiling of human hematopoietic stem cells (HSCs) to establish the role of epigenetic heritability through time in health and disease. We sequenced whole genomes and methylomes of single human HSCs from three healthy individuals and several individuals diagnosed with myeloproliferative neoplasm or chronic myeloid leukaemia. Based on the patterns of shared and sample-specific somatic mutations, we built phylogenies of HSCs for each individual. To establish whether loss or gain of methylation, both partial and complete, was heritable, we developed a method which analyses read counts at a CpG site across cells together with their phylogeny. Our model assumes CpG sites are in one of three states (i.e. they are 0%, 50% or 100% methylated, as measured by the number of methylated reads divided by number of total reads at a site), methylation states are inherited during cell division and a cell’s state can spontaneously transition to any of the other two. Our method finds sites, which follow these assumptions, and proposes the most likely zygotic starting state and identifies phylogeny’s branches, which underwent a change, to produce the observed methylation profile of cells at a CpG site. We analysed approximately 25 million CpG sites per individual, and we find that the majority of sites exhibit heritability of methylation states with the aforementioned properties. The method allows us to accurately time when methylation changes occurred as the branches of a phylogeny can be linked to a developmental period, thus disentangling their evolutionary history. Applying the method across millions of CpG sites and thousands of single cells from these individuals, we found the rates of methylation change is several folds higher than the rate of somatic mutations and that methylation changes are stochastic and allele-specific. Moreover, we observe that these changes are remarkably stable as we found that hundreds of such changes are acquired between the time of X-chromosome inactivation and germ layer formation and are stably inherited until old age. In addition, we find that some of these changes precede the neoplasm’s clone, which suggests they might play a role in function. By comparing normal healthy individuals of different ages with cancer patients, we are able to unravel the process of normal ageing from disease development. Citation Format: Lori D. Kregar, Nicholas Williams, Joe Lee, Jyoti Nangalia, Peter Campbell. Properties of somatic methylation changes in human hematopoietic stem cells in health and disease [abstract]. In: Proceedings of the AACR Special Conference in Cancer Research: Translating Cancer Evolution and Data Science: The Next Frontier; 2023 Dec 3-6; Boston, Massachusetts. Philadelphia (PA): AACR; Cancer Res 2024;84(3 Suppl_2):Abstract nr PR017.
Libri sul tema "Massachusetts State Division"
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Massachusetts. Division of State Police. Massachusetts State Police applicant informational booklet. Commonwealth of Massachusetts, Department of Public Safety, 1988.
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Office, Massachusetts State Auditor's. State auditor's report on the oversight and controls exercised by the Division of Insurance over the insurance industry. Commonwealth of Massachusetts, Auditor of the Commonwealth, 1993.
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Massachusetts. General Court. Joint Special Committee on the Redistricting of the General Court and Executive Council. Report relative to a new division of the Commonwealth into one hundred and sixty state representative districts. Commonwealth of Massachusetts, 1993.
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Massachusetts. Human Resource Development Group. Working together, building a quality workforce: Training programs for state and local government. The Group, 1993.
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Planning, Massachusetts Office of Leasing and State Office. Commonwealth of Massachusetts, Division of Capital Planning and Operations, Office of Leasing and State Office Planning request for proposals (RFP). The Office, 1997.
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Massachusetts. Department of the State Auditor. State auditor's repot on the activities of the Springfield Division - District Court Department, July 1, 1986 to December 31, 1986. Commonwealth of Massachusetts, Auditor of the Commonwealth, 1987.
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Massachusetts. Department of the State Auditor. State auditor's report on the activities of the Palmer Division - District Court Department, July 1, 1986 to March 31, 1987. Commonwealth of Massachusetts, Auditor of the Commonwealth, 1987.
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Massachusetts. Office of the Inspector General. Disposition of state property: The Elm Bank case. The Office, 1992.
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Massachusetts. Department of the State Auditor. [State auditor's report on the Northampton District Court's Honor Court Program, June 1, 1987 through May 31, 1990]. Commonwealth of Massachusetts, Auditor of the Commonwealth, 1991.
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Massachusetts. Office of the Inspector General. Private office space leasing by state agencies. The Office, 1997.
Cerca il testo completoCapitoli di libri sul tema "Massachusetts State Division"
1
Anbinder, Tyler. "The Know Nothings in Office." In Nativism And Slavery. Oxford University PressNew York, NY, 1992. http://dx.doi.org/10.1093/oso/9780195072334.003.0006.
Testo completoAbstract (sommario):
Abstract With more than 10,000 lodges and 1,000,000 members, the Know Nothings entered 1855 brimming with confidence.1 In the first weeks of January, Know Nothing governors were inaugurated in Pennsylvania and Massachusetts, and the Order believed (correctly, as it turned out) that upcoming spring elections in New England would provide additional victories. But Know Nothings soon discovered that they could not automatically parlay their electoral successes into legislative accomplishments. In New York, Know Nothing leaders anticipated using their legislative strength to defeat the re-election bid of their arch enemy, Senator William H. Seward. However, Know Nothing defections to the Seward camp enabled the senator to win a narrow victory. In Pennsylvania, too, the Order encountered difficulties. Factional divisions ran so deep within the Pennsylvania Order that although a majority of legislators were Know Nothings, they failed to elect anyone to the state’s vacant United States Senate seat, and the resentment generated by this stalemate paralyzed the legislature for the remainder of the session. Even in Massachusetts, where their 400-seat majority assured easy approval of the Know Nothing legislative agenda, the session’s achievements were partially overshadowed by the improprieties of one of their leaders. Nonetheless, when the legislative sessions of 1855 concluded, northern Know Nothings had enacted numerous laws addressing nativism, slavery, temperance, and political reform—the four major facets of the Know Nothing agenda.
Atti di convegni sul tema "Massachusetts State Division"
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Quillen, Kris, Rudolf H. Stanglmaier, Luke Moughon, et al. "Friction Reduction by Piston Ring Pack Modifications of a Lean-Burn 4-Stroke Natural Gas Engine: Experimental Results." In ASME 2006 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/ices2006-1327.
Testo completoAbstract (sommario):
A project to reduce frictional losses from natural gas engines is currently being carried out by a collaborative team from Waukesha Engine Dresser, Massachusetts Institute of Technology (MIT) and Colorado State University (CSU). This project is part of the Advanced Reciprocating Engine System (ARES) program led by the US Department of Energy. Previous papers have discussed the computational tools used to evaluate piston-ring/cylinder friction and described the effects of changing various ring pack parameters on engine friction. These computational tools were used to optimize the ring pack of a Waukesha VGF 18-liter engine, and this paper presents the experimental results obtained on the engine test bed. Measured reductions in friction mean effective pressure (FMEP) were observed with a low tension oil control ring (LTOCR) and a skewed barrel top ring (SBTR). A negative twist second ring (NTSR) was used to counteract the oil consumption increase due to the LTOCR. The LTOCR and SBTR each resulted in a ∼ 0.50% improvement in mechanical efficiency (ηmech).
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Quillen, Kris, Rudolph H. Stanglmaier, Victor Wong, et al. "Friction Reduction Due to Lubrication Oil Changes in a Lean-Burn 4-Stroke Natural Gas Engine: Experimental Results." In ASME/IEEE 2007 Joint Rail Conference and Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/jrc/ice2007-40128.
Testo completoAbstract (sommario):
A project to reduce frictional losses from natural gas engines is currently being carried out by a collaborative team from Waukesha Engine Dresser, Massachusetts Institute of Technology (MIT), Colorado State University (CSU), and ExxonMobil. This project is part of the Advanced Reciprocating Engine System (ARES) program led by the US Department of Energy. Changes in lubrication oil have been identified as a way to potentially help meet the ARES goal of developing a natural gas engine with 50% brake thermal efficiency. Previous papers have discussed the computational tools used to evaluate piston-ring/cylinder friction and described the effects of changing various lubrication oil parameters on engine friction. These computational tools were used to predict the effects of changing lubrication oil of a Waukesha VGF 18-liter engine, and this paper presents the experimental results obtained on the engine test bed. Measured reductions in friction mean effective pressure (FMEP) were observed with lower viscosity lubrication oils. Test oil LEF-H (20W) resulted in a ∼ 1.9% improvement in mechanical efficiency (ηmech) and a ∼ 16.5% reduction in FMEP vs. a commercial reference 40W oil. This improvement is a significant step in reaching the ARES goals.
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Zoccoli, Michael J., and David D. Klassen. "T407/GLC38: A Modern Technology Powerplant." In ASME 1990 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1990. http://dx.doi.org/10.1115/90-gt-242.
Testo completoAbstract (sommario):
The T407/GLC38 turboprop/turboshaft engine is a 6000 shaft horsepower (SHP) class gas turbine engine currently under joint development by Textron Lycoming of Stratford, Connecticut, and GE Aircraft Engines of Lynn, Massachusetts, with Bendix Control of South Bend, Indiana, a division of Allied Signal; Ruston Gas Turbines Limited of Great Britain, part of GEC ALSTHOM; and Steel Products Engineering Company (SPECO) of Springfield, Ohio. The powerplant is derived from the highly successful GE27 Modern Technology Demonstrator Engine (MTDE) program, which was conducted under the auspices of the U.S. Army in the mid-1980s. The T407 turboprop is currently under development for the U.S. Navy’s new P-7A anti-submarine warfare (ASW) aircraft. The P-7A will replace the P-3 and is under contract to Lockheed Aeronautical Systems Company (LASC). A T407 turboshaft model is also in development. The GLC38 commercial turboprop version, planned for both business and commuter aircraft, draws considerably on lessons learned through GE and Textron Lycoming’s extensive commercial experience, thereby ensuring the latest state of the art in maintainability, life, reliability, and ease of operation. The T407/GLC38 engine development program, scheduled for completion in December 1991, is uniquely defined to meet the stringent requirements of both Federal Aviation Administration (FAA) regulations and Military Specification MIL-E-008593E. The engine’s primary identity will be commercial, however, as per agreement with the U.S. Navy. The engine’s gas generator core is also part of a joint venture between the Garrett Engine Division of Allied Signal Corporation and GE. Garrett is responsible for developing the fan and power turbine for a new generation turbofan engine, the CFE738. This paper describes the key features of the T407/GLC38 engine design, performance, and development program.
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Zoccoli, Michael J., and Kenneth P. Rusterholz. "An Update on the Development of the T407/GLC38 Modern Technology Gas Turbine Engine." In ASME 1992 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/92-gt-147.
Testo completoAbstract (sommario):
The T407/GLC38 is a modern technology 6000 SHP class turboshaft/turboprop gas turbine engine which is being developed jointly by Textron Lycoming (Stratford, Connecticut), General Electric Aircraft Engines (Lynn, Massachusetts), Bendix Controls (South Bend, Indiana), and Ruston Gas Turbines (Great Britain). The gas generator core for the T407/GLC38 engine series is also common to the CFE738, a new generation turbofan which is being developed by General Electric and the Garret Engine Division. The T407 (military)/GLC38 (commercial) is a derivative of the highly successful U.S. Army/GE27 MTDE engine which has been redesigned to meet commercial engine life standards. The design philosophy for this engine was directed at achieving high output power per unit airflow, reliability from reduced parts count, ease of maintenance via extensive modularity, and state-of-the-art SFC levels that are up to 25% below those of existing 5000–6000 SHP powerplants. The latter characteristic manifests itself in reduced life cycle and direct operating costs and (where applicable) tradeoff versatility amongst range, time on station, and payload increase. This paper is a continuation in a documentary series on the T407/GLC38 design and development. It traces the evolution of the T407/GLC38 program from First Engine to Test, wherein all thermodynamic and mechanical objectives were essentially achieved or exceeded, through full system turboprop evaluation, turbofan development testing, and qualification/certification testing completed to date. A comprehensive review of the test objectives, testing requirements, setup, and basic results are provided; in addition, the relevancy and impact of each phase of engine testing towards the goal of qualification/certification and ultimately production is provided.