Browsing Department of Civil and Environmental Engineering by Title

Now showing items 214-233 of 241

    • Technology and Policy Issues Involved in the Boston Harbor Cleanup 

      Morrissey, Shawn P.; Harleman, Donald R. F. (Cambridge, Mass. : Ralph M. Parsons Laboratory, Hydrodynamics and Coastal Engineering, Hydrology and Water Resource Systems, 1989-11)
      Introduction: Throughout history, disposing of human wastes has been a problem. In the late 1800's, when communities began to flourish, it was generally believed that human waste was the source of many diseases. The principal ...

    • A Test of Ecological Optimality for Semiarid Vegetation 

      Salvucci, Guido D.; Eagleson, Peter S. (Cambridge, Mass. : Ralph M. Parsons Laboratory, Hydrology and Water Resource Systems, Massachusetts Institute of Technology, Dept. of Civil Engineering, 1992-05)
      Three ecological optimality hypotheses (Eagleson, 1978 and 1982) which have utility in parameter reduction and estimation in a climate-soil-vegetation water balance model are reviewed and tested. The first hypothesis ...

    • Theoretical and Experimental Investigation of Emergency Heat Releases from Floating Nuclear Power Plants 

      Jirka, Gerhard H.; Wood, Duncan W.; Harleman, Donald R. F. (Cambridge : Ralph M. Parsons Laboratory for Water Resources and Hydrodynamics, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1975-11)
      A combined analytical and experimental study is made of the hydrodynamic and heat transport aspects of transient heat releases during emergency cooling operations at floating nuclear power plants located in protective ...

    • Three-dimensional Flow in Random Porous Media 

      Ababou, Rachid; Gelhar, Lynn W.; McLaughlin, Dennis (Cambridge, Mass. : Ralph M. Parsons Laboratory, Hydrology and Water Resource Systems, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1988-03)

    • Thyroid Hormone Receptor Mediates Transcriptional Activation and Repression of Different Promoters in vitro 

      JAMESON, J. LARRY; MADISON, LAIRD; MAGGE, SHEILA; DATTA, SHOUMEN (The Endocrine Society, 1992)
      The thyroid hormone receptor (TR) has the dual ability to activate or repress transcription of specific genes. A cell-free transcription system was used to study the effects of TR on transcription by positively (TREpMLP) ...

    • Thyroid Hormone Resistance Syndrome 

      Chatterjee, V. Krishna K.; Nagaya, Takashi; Madison, Laird D.; Datta, Shoumen; Rentoumis, Anne; e.a. (The American Society for Clinical Investigation, 1991-06)
      Thyroid hormone (T3) resistance is inherited in most cases in an autosomal dominant manner. The disorder is characterized by elevated free thyroid hormone levels and partial resistance to thyroid hormone at the cellular ...

    • Time Series Analysis of Cyclostat Data for the Determination of Cell Division Patterns in Phytoplankton Grown on Light/Dark Cycles 

      Slocum, Warren M. (Cambridge : Massachusetts Institute of Technology, Dept. of Civil Engineering, Ralph M. Parsons Laboratory for Water Resources and Hydrodynamics, 1980)
      A method of data analysis employing digital filtering technique is described which has been used to smooth time series of cell density data from cyclostat experiments (Chisholm and Costello, 1980) and to estimate cell ...

    • Towards Understanding Cement Paste Creep: Implications from Glass Studies 

      Cao, Penghui; Yip, Sidney (MIT Concrete Sustainability Hub, 2017-01-04)
      This research brief presents foundational work toward understanding the mechanics of the complex process of creep by evaluating the phenomena occurring at the nano-scale in metallic glass, a model material, to better ...

    • Transcription, Metabolomics and Wireless Nano-Sensor Networks 

      Datta, Shoumen (2008-12-14)
      Identifying molecular targets for infectious and other diseases

    • Transforming the Role of the Concrete Delivery Professional: A Study on Innovative Solutions for the Ready Mixed Concrete Industry 

      Kirchain, Randolph; Field, Frank; Unger, Elizabeth; Moore, Elizabeth (2024-03-04)
      Currently, there is a severe shortage of concrete delivery professionals (CDPs) – the individuals who transport concrete from the plant to the construction site. In fact, according to a recent study by the National Ready ...

    • Turbulent Pipe Flow with Rough and Porous Walls 

      Munoz Goma, R. J.; Gelhar, L. W. (Cambridge, Mass. : Hydrodynamics Laboratory, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1968-04)
      The characteristics of turbulence in shear flow near rough and porous walls are investigated theoretically and experimentally. Flows of this nature are present, for instance, in the case of a erodible particulate stream-bed. ...

    • UNFCCC Observer: Submission of Information and Views 

      DATTA, SHOUMEN (2009-06-02)
      Submission of Information and Views to the UNFCCC

    • Unified Theory of Relativistic Identification of Information in a Systems Age: Proposed Convergence of Unique Identification with Syntax and Semantics through Internet Protocol version 6 

      Datta, Shoumen (2008-07-31)
      This paper proposes to utilize internet protocol version six (IPv6) to uniquely identify not only things (objects) but also processes, relationships (syntax, semantics) and interfaces (sensors). Convergence of identification ...

    • UNLEARN, RELEARN, LEARN AGAIN 

      Datta, Shoumen (2010-07-08)

    • Use and Characterization of Steady-state Soil Moisture Profile in Setting Flux Capacities Prior to Storm and Interstorm Events 

      Salvucci, Guido D.; Entekhabi, Dara (Cambridge, Mass. : Ralph M. Parsons Laboratory, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1993-05)

    • User's Manual for the MIT Lake Circulation Models (MITLAKE) 

      Shanahan, Peter; Harleman, Donald R. F. (Cambridge, Mass. : Ralph M. Parsons Laboratory, Aquatic Science and Environmental Engineering, Massachusetts Institute of Technology, Dept. of Civil Engineering, 1982-06)
      Introduction: During the course of research into water quality and hydrodynamic interactions in Lake Balaton in Hungary (Shanahan et al., 1981 and Shanahan and Harleman, 1982) two models of wind-driven lake circulation ...

    • Vaccines: The Health of Nations 

      Datta, Shoumen (2022-10-09)
      Immense scientific strides in the implementation of mRNA vaccines for CoVID-19 to immunize humans against SARS-CoV-2[n] is a brilliant beacon of research excellence in the 21st century. Yet, the economics of vaccination ...

    • Value of Categorical and Probabilistic Temperature Forecasts for Scheduling of Power Generation 

      Alexandridis, Mark G.; Krzysztofowicz, Roman (Cambridge, Mass. : Ralph M. Parsons Laboratory, Hydrology and Water Resource Systems, Massachusetts Institute of Technology, Dept. of Civil Engineering, 1982-05)
      Bayesian decision models are formulated for the use and evaluation of categorical and probabilistic forecasts of continuous variables. The models are applied to the problem of short-term scheduling of power generation in ...

    • Water Balance Estimates of the Machar Marshes 

      El-Hemry, Ismail Ibrahim; Eagleson, Peter S. (Cambridge, Mass. : Dept. of Civil Engineering, School of Engineering, Massachusetts Institute of Technology, 1980-08)
      Further increases of the River Nile discharge may come from reducing the water losses in the upstream swampy areas in the Nile basin. The Machar region is one of the main losers of water in this basin. In this work, the ...

    • Water Balance Studies of the Bahr El Ghazal Swamp 

      Chan, Siu-On; Eagleson, Peter S. (Cambridge, Mass. : Dept. of Civil Engineering, Massachusetts Institute of Technology, 1980-12)
      Future increases in Egyptian and Sudanese water resources may come from reduction of the large water losses of the Upper White Nile's swampy regions, particularly from the Bahr el Ghazal swamp. In this work, new methods ...