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Articles 1 - 28 of 28
Full-Text Articles in Engineering
Materials Characterization And Economic Considerations Of Cold-Mix Recycled Asphalt Pavements, Luis Humberto Castedo-Franco
Materials Characterization And Economic Considerations Of Cold-Mix Recycled Asphalt Pavements, Luis Humberto Castedo-Franco
Indiana Local Technical Assistance Program (LTAP) Publications
Recycling of asphalt pavements has become a common rehabilitation and maintenance process since the mid 1970s. The state of the art of designing and constructing pavements composed of recycled materials has now advanced to a point where recycling is considered as an alternative to conventional procedures for most paving projects. An in-depth evaluation of cold-mix recycling techniques was undertaken and the findings are presented in this report. The variability of the existing materials found in city streets and county roads throughout the State of Indiana was evaluated by means of laboratory test procedures. The data obtained from these experiments were …
Final Evaluation Of Fhwa Technology Transfer Program At Herpicc, Purdue University, Robert K. Whitford
Final Evaluation Of Fhwa Technology Transfer Program At Herpicc, Purdue University, Robert K. Whitford
Indiana Local Technical Assistance Program (LTAP) Publications
HERPICC received an increased level of funding to provide increased levels of the transfer of highway, road, and bridge related technology to the county and city officials involved in road management, operations or maintenance. The major reason for this evaluation task was to obtain some measure of how well the added funds achieved the intended purpose. The work was conducted by the Center of Public Policy and Public Administration.
Writing A Scientific Paper Prior To The Research, Charles F. Babbs, Martha M. Tacker
Writing A Scientific Paper Prior To The Research, Charles F. Babbs, Martha M. Tacker
Weldon School of Biomedical Engineering Faculty Publications
The traditional approach to preparing a research report for publication is to begin writing after the study has been completed. We propose another approach- to write a "zeroth" draft before the study is begun. This approach helps to focus the investigator's attention during the planning stage on critical aspects of the study. The discipline of writing down the rationale, the methods, and the variety of possible outcomes and their significance helps to clarify the logic on which the study is based. If these are acceptable to all authors and colleagues in the zeroth draft, it is likely that the research …
An Inspiration-Triggered Delivery System For Oxygen Therapy Via A Nasal Cannula, Philip Charles Krause, Charles F. Babbs
An Inspiration-Triggered Delivery System For Oxygen Therapy Via A Nasal Cannula, Philip Charles Krause, Charles F. Babbs
Weldon School of Biomedical Engineering Faculty Publications
Therapy for severe chronic lung disease currently includes the administration of supplemental oxygen to prevent breathlessness and tissue hypoxia. Although effective, this therapy is unnecessarily costly, because oxygen is administered to the patient during expiration as well as inspiration. To eliminate this inefficiency, a delivery system that senses the inspiratory effort and delivers oxygen to the patient only during inspiration was developed. The 11 5 8-cm flow control unit attaches easily to a portable oxygen supply. The components of the system have an expected life of five years, and the 9-Volt battery provides power for about one month …
Endotracheal Versus Intravenous Epinephrine During Electromechanical Dissociation With Cpr In Dogs, Sandra H. Ralston, Willis A. Tacker, Lee Showen, Alice B. Carter, Charles F. Babbs
Endotracheal Versus Intravenous Epinephrine During Electromechanical Dissociation With Cpr In Dogs, Sandra H. Ralston, Willis A. Tacker, Lee Showen, Alice B. Carter, Charles F. Babbs
Weldon School of Biomedical Engineering Faculty Publications
The dose-response curves of epinephrine given either IV or endotracheally (ET) were compared during resuscitation from electromechanical dissociation (EMD). Ten anesthetized dogs were subjected to a two-minute period of electrically induced ventricular fibrillation (VF) followed by defibrillation without CPR to produce EMD. Mechanical CPR was followed by injection of either ET or IV epinephrine. Successful response was defined as a return of pulsatile blood pressure within two minutes of drug administration. Using log-dose increments of epinephrine, experimental trials were repeated in each animal. The IV and ET median effective doses were 14 and 130 g/kg, respectively. When the trials were …
Gastric Insufflation During Iac-Cpr And Standard Cpr In A Canine Model, Charles F. Babbs, William E. Schoenlein, Marc W. Lowe
Gastric Insufflation During Iac-Cpr And Standard Cpr In A Canine Model, Charles F. Babbs, William E. Schoenlein, Marc W. Lowe
Weldon School of Biomedical Engineering Faculty Publications
This study was undertaken to determine the effect of interposed abdominal compressions (IAC) during cardiopulmonary resuscitation (CPR) on gastric insufflation when the airway is not secured with an endotracheal tube. A canine model was used in which a common ventilation pressure was applied to separate cuffed esophageal and tracheal tubes. Gas entering the stomach was collected by a pre-placed gastrostomy tube leading to a bell spirometer. Gas entering the lungs was measured with a Wright Respirometer® in series with the endotracheal tube. During standard CPR, measurable gastric gas volume was collected in 28 of 30 trials (mean 215 93 …
1985 Directory Of Indiana State, County, City And Town Officials Responsible For Road And Street Work, Herpicc
Indiana Local Technical Assistance Program (LTAP) Directory
Contact information for agency officials and employees responsible for Indiana’s local road infrastructure.
Use Of Combined Systemic Hypothermia And Local Heat Treatment To Enhance Temperature Differences Between Tumor And Normal Tissues, Charles F. Babbs, William D. Voorhees Iii, Robert R. Clark, David P. Dewitt
Use Of Combined Systemic Hypothermia And Local Heat Treatment To Enhance Temperature Differences Between Tumor And Normal Tissues, Charles F. Babbs, William D. Voorhees Iii, Robert R. Clark, David P. Dewitt
Weldon School of Biomedical Engineering Faculty Publications
The feasibility of combining local heat treatment with wholebody hypothermia in an effort to improve therapeutic gain was assessed. Superficial, non perfused phantom tumors were fashioned in eight anesthetized mongrel dogs by transplantation of the spleen from the abdomen to a subcutaneous site on the hind limb. After pretreatment of the animal with the vasodilator hydralazine (0.5 mg/kg, IV) to enhance normal tissue perfusion, the spleen implant was heated with a 2450-MHz microwave diathermy apparatus, first with the animal's core body temperature in the normal range (39°C) and then after the animal had been packed in ice to reduce core …
Electroventilation, L A. Geddes, William D. Voorhees, Charles F. Babbs, J A. Deford
Electroventilation, L A. Geddes, William D. Voorhees, Charles F. Babbs, J A. Deford
Weldon School of Biomedical Engineering Faculty Publications
Electroventilation is a term used to describe the production of inspiration by applying rhythmic bursts of short duration stimuli to extrathoracic electrodes to stimulate motor nerves to the inspiratory muscles. In the dog, the optimum site for the electrodes was found to be on the upper chest wall, bilaterally. The inspired volume increased with increasing current intensity. The maximum tidal volume attainable was about four times resting tidal volume. The ability of electroventilation to maintain arterial blood oxygen saturation without the production of cardiac arrhythmias was demonstrated in pentobarbital-anesthetized dogs. The technique has several potential applications and offers promise in …
Development Of An Energy Audit Manual For Indiana Department Of Highway Buildings, Brett Michael Partridge
Development Of An Energy Audit Manual For Indiana Department Of Highway Buildings, Brett Michael Partridge
JTRP Technical Reports
No abstract provided.
Energy Conservation And Cost Savings Related To Highway Maintenance, Mitsuru Saito, Essam Abdel-Aziz Sharaf, Kumares C. Sinha
Energy Conservation And Cost Savings Related To Highway Maintenance, Mitsuru Saito, Essam Abdel-Aziz Sharaf, Kumares C. Sinha
JTRP Technical Reports
No abstract provided.
Absorption And Absorptivity Of Aggregates As Indicators Of Frost Durability : Informational Report, Jack Duvall Hunter
Absorption And Absorptivity Of Aggregates As Indicators Of Frost Durability : Informational Report, Jack Duvall Hunter
JTRP Technical Reports
No abstract provided.
The Use Of Fuzzy Sets Mathematics To Assist Pavement Evaluation And Management, Manol Andonyadis, A. G. Altschaeffl, Jean-Lou Chameau
The Use Of Fuzzy Sets Mathematics To Assist Pavement Evaluation And Management, Manol Andonyadis, A. G. Altschaeffl, Jean-Lou Chameau
JTRP Technical Reports
No abstract provided.
Behavior Of Mucks And Amorphous Peats As Embankment Foundations : Interim Report, Paul Gerard Joseph
Behavior Of Mucks And Amorphous Peats As Embankment Foundations : Interim Report, Paul Gerard Joseph
JTRP Technical Reports
No abstract provided.
Systematic Analysis Of Noninferior Transfer Assignments, J. R. Wright, Steven Christian Egly, H. W. Gallivan
Systematic Analysis Of Noninferior Transfer Assignments, J. R. Wright, Steven Christian Egly, H. W. Gallivan
JTRP Technical Reports
No abstract provided.
Pcstabl4 User Manual : Information Report, James Richard Carpenter
Pcstabl4 User Manual : Information Report, James Richard Carpenter
JTRP Technical Reports
No abstract provided.
Effects Of Endomycorrhizal Inoculation On Growth Of Selected Landscape Plants Used In Highway Revegetation, Stephen Dunning Verkade, Philip L. Carpenter
Effects Of Endomycorrhizal Inoculation On Growth Of Selected Landscape Plants Used In Highway Revegetation, Stephen Dunning Verkade, Philip L. Carpenter
JTRP Technical Reports
No abstract provided.
Speed Report No. 118 : Interim Report, C. J. Oliva, Robert M. Shanteau, George K. Stafford, Leroy Gray
Speed Report No. 118 : Interim Report, C. J. Oliva, Robert M. Shanteau, George K. Stafford, Leroy Gray
JTRP Technical Reports
No abstract provided.
Embark-Telar-Surfactant-2, 4-D Combination For Vegetation Management Along Indiana Roadsides : Interim Summary Report, D. James Morré
Embark-Telar-Surfactant-2, 4-D Combination For Vegetation Management Along Indiana Roadsides : Interim Summary Report, D. James Morré
JTRP Technical Reports
No abstract provided.
Structural Analysis Of Rigid Pavements With Pumping: Summary Informational Report, Jesus Silverio Larralde
Structural Analysis Of Rigid Pavements With Pumping: Summary Informational Report, Jesus Silverio Larralde
JTRP Technical Reports
No abstract provided.
Compressibility And Shear Strength Characteristics Of Impact Compacted Lacustrine Clay : Informational Report, Samuel Onyeabor Nwabuoekei
Compressibility And Shear Strength Characteristics Of Impact Compacted Lacustrine Clay : Informational Report, Samuel Onyeabor Nwabuoekei
JTRP Technical Reports
No abstract provided.
Selection And Use Of Fly Ash For Highway Concrete, Sidney Diamond
Selection And Use Of Fly Ash For Highway Concrete, Sidney Diamond
JTRP Technical Reports
No abstract provided.
Rigid Pavement Pumping: (1) Subbase Erosion And (2) Economic Modeling : Informational Report, Wijk Adriaan Van
Rigid Pavement Pumping: (1) Subbase Erosion And (2) Economic Modeling : Informational Report, Wijk Adriaan Van
JTRP Technical Reports
No abstract provided.
A Routine Maintenance And Pavement Performance Relationship Model For Highways : Informational Report, Tien Fang Fwa, Kumares C. Sinha
A Routine Maintenance And Pavement Performance Relationship Model For Highways : Informational Report, Tien Fang Fwa, Kumares C. Sinha
JTRP Technical Reports
No abstract provided.
The Identification Of Areas Of Routine Maintenance Productivity Improvement, Stephen M. O'Brien, Kumares C. Sinha
The Identification Of Areas Of Routine Maintenance Productivity Improvement, Stephen M. O'Brien, Kumares C. Sinha
JTRP Technical Reports
No abstract provided.
Stabl5: The Spencer Method Of Slices, James Richard Carpenter
Stabl5: The Spencer Method Of Slices, James Richard Carpenter
JTRP Technical Reports
No abstract provided.
Energy Conservation And Cost Savings Related To Highway Maintenance: Executive Summary, Mitsuru Saito, Essam Abdel-Aziz Sharaf, Kumares C. Sinha
Energy Conservation And Cost Savings Related To Highway Maintenance: Executive Summary, Mitsuru Saito, Essam Abdel-Aziz Sharaf, Kumares C. Sinha
JTRP Technical Reports
No abstract provided.
Joseph S. Redding's Contributions To Cardiac Resuscitation, Sandra H. Ralston, Charles F. Babbs
Joseph S. Redding's Contributions To Cardiac Resuscitation, Sandra H. Ralston, Charles F. Babbs
Weldon School of Biomedical Engineering Faculty Publications
The experimental studies conducted by the late Joseph S. Redding over the past three decades with his students and colleagues form the scientific basis for many aspects of present cardiopulmonary resuscitation (CPR). Redding's research was characterized by its elegance, simplicity, common-sense reasoning, and clinical relevance. Much of his work conducted in the 1960's anticipated with uncanny accuracy some of the most actively discussed issues in resuscitation today (Table 1). Most interesting are Redding's classic studies related to diastolic arterial pressure and myocardial perfusion during CPR, abdominal binding, acid-base status, and use of methoxamine versus other adrenergic drugs for cardiac resuscitation. …