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Articles 2731 - 2760 of 129997
Full-Text Articles in Entire DC Network
How Does Student Understanding Of A Concept Change Throughout A Unit Of Instruction? Support Toward The Theory Of Learning Progressions, Brian Jay Dyer
How Does Student Understanding Of A Concept Change Throughout A Unit Of Instruction? Support Toward The Theory Of Learning Progressions, Brian Jay Dyer
Dissertations and Theses
This study documented the changes in understanding a class of eighth grade high school-level biology students experienced through a biology unit introducing genetics. Learning profiles for 55 students were created using concept maps and interviews as qualitative and quantitative instruments. The study provides additional support to the theory of learning progressions called for by experts in the field. The students' learning profiles were assessed to determine the alignment with a researcher-developed learning profile. The researcher-developed learning profile incorporated the learning progressions published in the Next Generation Science Standards, as well as current research in learning progressions for 5-10th grade students …
Compositions And Methods Of Enhancing Immune Responses, Walter G. Bottje, Billy M. Hargis, Luc Berghman, Young M. Kwon, Kimberly Cole, Mandy Cox, Sherryll Layton
Compositions And Methods Of Enhancing Immune Responses, Walter G. Bottje, Billy M. Hargis, Luc Berghman, Young M. Kwon, Kimberly Cole, Mandy Cox, Sherryll Layton
Patents Granted
Salmonella enteritidis 13A strains and compositions comprising these strains are provided. Methods of enhancing an immune response against Influenza A; of reducing morbidity associated with an Influenza A infection; of enhancing an immune response to a vaccine vector by expressing a polypeptide of CD 154 capable of binding CD40; of developing a bacterial vaccine vector are disclosed, and of generating scarless site-specific mutations in a bacterium are disclosed.
Hypo Alpe Adria Sets Friday Egm For More Aid, Reuters Staff
Hypo Alpe Adria Sets Friday Egm For More Aid, Reuters Staff
Documents
No abstract provided.
Pengaruh Berbagai Dosis Pupuk Kandang Sapi Dan Pupuk Hayati Terhadap Pertumbuhan Dan Hasil Kacang Hijau (Vigna Radiata L.) Varietas Sriti Pada Inceptisols Jatinangor, Agus Wahyudin, Tati Nurmala, Intan Rachma Yulia
Pengaruh Berbagai Dosis Pupuk Kandang Sapi Dan Pupuk Hayati Terhadap Pertumbuhan Dan Hasil Kacang Hijau (Vigna Radiata L.) Varietas Sriti Pada Inceptisols Jatinangor, Agus Wahyudin, Tati Nurmala, Intan Rachma Yulia
Jurnal Kultivasi
The objective of the experiment was to determine the dosage of cow manure and biofertilizer on the growth and yield of mungbean (Vigna radiata L.). The experiment was conducted from June until August 2013 at the Experimental Station of the Agricultural Faculty, Universitas Padjadjaran, Sumedang, West Java. This experimental station located at 813 meters above sea level with Inceptisols soils and C3 climate type of Oldeman.A randomized block design (RBD) was used in this experiment with nine treatments and three replications. The several treatment was applied namely: (A) without cow manure + biofertilizer; (B) 5 t ha-1cow manure; (C) 5 …
Pengaruh Dosis Pupuk N Dan P Terhadap Pertumbuhan Vegetatif Jarak Pagar Di Dua Tempat Berbeda, Santi Rosniawaty, Rija Sudirja
Pengaruh Dosis Pupuk N Dan P Terhadap Pertumbuhan Vegetatif Jarak Pagar Di Dua Tempat Berbeda, Santi Rosniawaty, Rija Sudirja
Jurnal Kultivasi
Physic nut is an alternative source of biofuel. The potential is high because it have many benefits and can not be consumed, so it will not compete with human needs. The effect of N and P fertilizer on physic nut (Jatropha curcas L.) has been studied from August 2010 until March 2011. The experiments were carried out in two different locations, in the field experiment of BPBHAT Jatinangor and farmer gardens in Plered. Soil types in Jatinangor and Plered was Inceptisol. Type of climate in Jatinangor was C while in Plered was D according to Schmidt-Ferguson (1951). Experimental design used …
Photoacoustic And Nephelometric Spectroscopy Of Aerosol Optical Properties With A Supercontinuum Light Source, Neha Sharma, I. J. Arnold, H. Moosmüller, W. P. Arnott, C. Mazzoleni
Photoacoustic And Nephelometric Spectroscopy Of Aerosol Optical Properties With A Supercontinuum Light Source, Neha Sharma, I. J. Arnold, H. Moosmüller, W. P. Arnott, C. Mazzoleni
Michigan Tech Publications, Part 1
A novel multi-wavelength photoacousticnephelometer spectrometer (SC-PNS) has been developed for the optical characterization of atmospheric aerosol particles. This instrument integrates a white light supercontinuum laser with photoacoustic and nephelometric spectroscopy to measure aerosol absorption and scattering coefficients at five wavelength bands (centered at 417, 475, 542, 607, and 675 nm). These wavelength bands are selected from the continuous spectrum of the laser (ranging from 400-2200 nm) using a set of optical interference filters. Absorption and scattering measurements on laboratory-generated aerosol samples were performed sequentially at each wavelength band. To test the instrument we measured the wavelength dependence of absorption and …
Rf Transport Electromagnetic Properties Of Graphene From Dc To 110 Mhz, Sa Awan, G Pan, Taan Lm Al, B Li
Rf Transport Electromagnetic Properties Of Graphene From Dc To 110 Mhz, Sa Awan, G Pan, Taan Lm Al, B Li
School of Engineering, Computing and Mathematics
The paper describes measurement of RF transport electromagnetic properties of CVD graphene over the DC to 110 MHz frequency range at room temperature. Graphene on Si/SiO2 substrate was mounted in a shielded four terminal-pair (4TP) adaptor which enabled direct connection to a calibrated precision impedance analyser for measurements. Good agreement is observed for the DC four-probe resistance and the 4TP resistance at 40 Hz, both yielding R ~104 Ohms. In general the apparent graphene channel electromagnetic properties are found to be strongly influenced by quantum contact effects, such as resistance and capacitance, particularly at DC and low frequencies f < 1 MHz. A phenomenological lumped-parameter equivalent circuit model is presented which matches the frequency response of the graphene 4TP impedance device over approximately seven decades of the frequency range of the applied transport alternating current. Based on this model, the intrinsic graphene channel resistance is found to be RG = 2.2 Ohms or sheet resistance of 3.85 Ohms/sq, which is frequency independent, with each contact impedance being RC = 51.6 Ohms and CC = 1.2 nF. These results suggest that our RF 4TP method may be more accurate and reliable than the conventional DC four-probe method for measuring the intrinsic sheet resistance of single-atom thick materials such as graphene. This may be significant for the production and optimisation of graphene for solar-cells and touch-screen displays where sheet resistance (combined with its optical transparency) figures-of-merit play an important role, particularly in comparison with the values of the current material of choice, indium tin oxide (ITO), for such applications.
Book Review: The Jeffersons At Shadwell By Susan Kern, Laura J. Galke
Book Review: The Jeffersons At Shadwell By Susan Kern, Laura J. Galke
Northeast Historical Archaeology
The Jeffersons at Shadwell, by Susan Kern, 2010, Yale University Press, New Haven, 384 pages, 56 black-and-white illustrations, $30.00 (cloth).
Book Review: Excavating The Sutler's House: Artifacts Of The British Armies In Fort Edward And Lake George By David R. Starbuck, Richard Veit
Northeast Historical Archaeology
Excavating the Sutler's House: Artifacts of the British Armies in Fort Edward and Lake George, by David R. Starbuck, 2010, University Press of New England, Lebanon, New Hampshire, 132 pages, 161 illustrations, 4 half-tones, 157 color, $24.95 (paper).
Book Review: Beneath The Ivory Tower: The Archaeology Of Academia Edited By Russell K. Skowronek And Kenneth E. Lewis, David R. Starbuck
Book Review: Beneath The Ivory Tower: The Archaeology Of Academia Edited By Russell K. Skowronek And Kenneth E. Lewis, David R. Starbuck
Northeast Historical Archaeology
Beneath the Ivory Tower: The Archaeology of Academia, edited by Russell K. Skowronek and Kenneth E. Lewis, 2010, University Press of Flordia, Gainesville, 352 pages, 115 illustrations, $59.95 (cloth).
Book Review: The Archaeology Of American Labor And Working-Class Life By Paul A. Shackel, James A. Delle
Book Review: The Archaeology Of American Labor And Working-Class Life By Paul A. Shackel, James A. Delle
Northeast Historical Archaeology
The Archaeology of American Labor and Working-Class Life, by Paul A. Shackel, 2009, The American Experience in Archaeological Perspective Series, University Press of Florida, Gainesville, 160 pages, 20 illustrations, $69.95 (cloth), $19.95 (paper).
Book Review: Death In The New World: Cross-Cultural Encounters, 1492-1800, By Erik R. Seeman, Richard Veit
Book Review: Death In The New World: Cross-Cultural Encounters, 1492-1800, By Erik R. Seeman, Richard Veit
Northeast Historical Archaeology
Death in the New World: Cross-Cultural Encounters, 1492-1800, by Erik R. Seeman, 2010, Early American Studies Series, University of Pennsylvanie Press, Philadelphia, 384 pages, 28 illustrations, $45.00 (cloth), $24.95 (paper).
Book Review: Ethnographies And Archaeologies: Iterations Of The Past, Edited By Lena Mortensen And Julie Hollowell, Christina J. Hodge
Book Review: Ethnographies And Archaeologies: Iterations Of The Past, Edited By Lena Mortensen And Julie Hollowell, Christina J. Hodge
Northeast Historical Archaeology
Ethnographies and Archaeologies: Iterations of the Past, edited by Lena Mortensen and Julie Hollowell, 2009, Cultural Heritage Studies Series, University Press of Florida, Gainesville, 288 pages, 9 illustrations, $69.95 (cloth).
Book Review: Ceramic Makers' Marks By Erica S. Gibson, Patricia Samford
Book Review: Ceramic Makers' Marks By Erica S. Gibson, Patricia Samford
Northeast Historical Archaeology
Ceramic Makers' Marks, by Erica S. Gibson, 2010, Guides to Historical Artifacts, Left Coast Press, 147 pages, 253 black-and-white illustrations, indexes, $89.00 (cloth), $24.95 (paper).
Washington Update, Molly Conway, Kathryn Coniglio, Walakewon Blegay
Washington Update, Molly Conway, Kathryn Coniglio, Walakewon Blegay
Health Law and Policy Brief
No abstract provided.
In The News, Kimberly Hodgman, Kristen Barry, Megan Mccarthy, Molly Conway
In The News, Kimberly Hodgman, Kristen Barry, Megan Mccarthy, Molly Conway
Health Law and Policy Brief
No abstract provided.
Fda Regulation On The Importation Of Prescription Drugs: Opportunities And Barriers To Legal Importation, Eloy A. Peral
Fda Regulation On The Importation Of Prescription Drugs: Opportunities And Barriers To Legal Importation, Eloy A. Peral
Health Law and Policy Brief
No abstract provided.
California Health Insurance Law Opens The Floodgates For A Potentially Unsustainable Amount Of Plastic Surgeries: What Went Wrong And How To Fix It, Adam S. S. Frankel
California Health Insurance Law Opens The Floodgates For A Potentially Unsustainable Amount Of Plastic Surgeries: What Went Wrong And How To Fix It, Adam S. S. Frankel
Health Law and Policy Brief
No abstract provided.
Physician Profiling: Policy Options To Improve Efficiency In Medicare, Jackson Williams
Physician Profiling: Policy Options To Improve Efficiency In Medicare, Jackson Williams
Health Law and Policy Brief
No abstract provided.
Technology Mediated Dispute Resolution And The Deaf Community, David Allen Larson, Paula Gajewski Mickelson
Technology Mediated Dispute Resolution And The Deaf Community, David Allen Larson, Paula Gajewski Mickelson
Health Law and Policy Brief
No abstract provided.
Testimony: The State Role In The Regulation Of Prescription Data-Mining, Meredith Jacob
Testimony: The State Role In The Regulation Of Prescription Data-Mining, Meredith Jacob
Health Law and Policy Brief
No abstract provided.
Managing Conflicts Of Interest In Health Care Innovation, Georgiana Avramidis
Managing Conflicts Of Interest In Health Care Innovation, Georgiana Avramidis
Health Law and Policy Brief
No abstract provided.
Letter From The Editors, Chandana Kolavala, Rebecca L. Wolf, William N. Papain
Letter From The Editors, Chandana Kolavala, Rebecca L. Wolf, William N. Papain
Health Law and Policy Brief
No abstract provided.
Assumptions About Consumption In The Archaeology Of Late Nineteenth-Century Farmsteads, Niels R. Rinehart
Assumptions About Consumption In The Archaeology Of Late Nineteenth-Century Farmsteads, Niels R. Rinehart
Northeast Historical Archaeology
Farming is typically associated with rural environments. The Dubois Site in Albany, New York, however, presented an opportunity to look at a farmstead close to a growing urban center during the second half of the 19th century. The excavations of the Dubois Site are discussed and the results are compared to the more rural Porter Site, a contemporary 19th-century farmstead. The comparison examines how the different contexts might have impacted consumption and production at the two farms, as well as the treatment of the farmstead landscapes. The two New York sites are then contrasted with four contemporary farm sites in …
Archaeology At The 1777 Ebenezer Story Site: The Household Economy Of A Family Of Fishermen-Farmers On The Thames River, Preston, Connecticut, Ross K. Harper, Bruce Clouette
Archaeology At The 1777 Ebenezer Story Site: The Household Economy Of A Family Of Fishermen-Farmers On The Thames River, Preston, Connecticut, Ross K. Harper, Bruce Clouette
Northeast Historical Archaeology
This paper uses data from a colonial-period maritime household site to expand understanding of the economic and subsistence practices of fisherman-farmer families. The site is the 1777 homestead of Ebenezer Story on the eastern bank of the Thames River in Preston, Connecticut, about 12 miles from Long Island Sound. Like many New England Yankees, Story had a diverse household economy: he practiced subsistence farming, fished and shellfished, and owned a saltworks, boats, and cider mill in common with his family. During the Revolutionary War, Story leased part of his land for the construction of the Continental frigate Confederacy, and he …
Growing Things "Rare, Foreign, And Tender": The Early Nineteenth-Century Greenhouse At Gore Place, Waltham Massachusetts, Christa M. Beranek, J. N. Leith Smith, John M. Steinberg, Michelle G. S. Garman
Growing Things "Rare, Foreign, And Tender": The Early Nineteenth-Century Greenhouse At Gore Place, Waltham Massachusetts, Christa M. Beranek, J. N. Leith Smith, John M. Steinberg, Michelle G. S. Garman
Northeast Historical Archaeology
Excavations and ground penetrating radar at Gore Place in Waltham, Massachusetts, uncovered part of an early 19th-century greenhouse (ca. 1806 to the early 1840s) constructed by Christopher and Rebecca Gore. Documentary, archaeological, and geophysical data suggest that the greenhouse was a formal space intended to display exotic plants and that it was built in the relatively new lean-to style, with a tall back wall and a short front wall. The artifact assemblage included tools and small finds related to the greenhouse operation, as well as the remains of at least 149 planting pots. The greenhouse was constructed during a period …
Patriots, Tories, Inebriates, And Hussies: The Historical Archaeology Of The Abraham Staats House, As A Case Study In Microhistory, Richard Veit, Michael J. Gall
Patriots, Tories, Inebriates, And Hussies: The Historical Archaeology Of The Abraham Staats House, As A Case Study In Microhistory, Richard Veit, Michael J. Gall
Northeast Historical Archaeology
To modern suburbanites, life on a farm may seem hopelessly boring or, alternatively, charming and idyllic. Excavations at the Abraham Staats House in New Jersey’s Raritan Valley, just upriver from New Brunswick, provide a revealing glimpse of the dynamic and contentious lives of 18th- and 19th-century farmers. The Staats family, part of the early 18th-century Dutch migration to the Raritan Valley, saw their lives transformed by the Revolutionary War, the arrival of turnpike roads, the construction of the Delaware and Raritan Canal, the emancipation of slaves, the growth of the temperance movement, and family squabbles of Shakespearean proportions. Excavations at …
The Mother Of The Father Of Our Country: Mary Ball Washington's Genteel Domestic Habits, Laura J. Galke
The Mother Of The Father Of Our Country: Mary Ball Washington's Genteel Domestic Habits, Laura J. Galke
Northeast Historical Archaeology
The year 1743 brought hardship to the Washingtons as their family patriarch, Augustine, passed away unexpectedly. At that time, a young George Washington inherited the family’s home plantation in Fredericksburg, known today as Ferry Farm. Augustine’s will stipulated that George’s mother, Mary Ball Washington, manage the plantations of their four young boys until they came of age. Between 1743 and 1772, Mary enjoyed the personal agency that widowhood allowed her; she was responsible for the management decisions of the Washington household and the surrounding farm. Mary’s choices reflect an ambitious woman determined to participate in the genteel society her family …
Assessing Variability Among Quartering Sites In Virginia, Barbara J. Heath, Eleanor E. Breen
Assessing Variability Among Quartering Sites In Virginia, Barbara J. Heath, Eleanor E. Breen
Northeast Historical Archaeology
The definition of what constitutes a Virginia slave quarter based on archaeological evidence is evolving. In the 1970s and 1980s, archaeologists developed an informal set of criteria that equated subfloor pits and the presence of "Africanisms" with structures occupied by enslaved people, and these criteria are still widely used. The accumulation of an archaeological and architectural data set of more than 170 Virginian quartering sites over the past 40 years has demonstrated that these sites vary across time and space, has underscored the problematic nature of site definition based on a checklist approach to ethnic or racial criteria, and has …
Cal Poly Institute For Advanced Technology And Public Policy's Wave Energy Project Nets $750,000 Dept. Of Energy Research Grant, Public Affairs Office
Cal Poly Institute For Advanced Technology And Public Policy's Wave Energy Project Nets $750,000 Dept. Of Energy Research Grant, Public Affairs Office
Press Releases
No abstract provided.