Colin Gray

ORCID: 0000-0002-7040-4735
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About
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Research Areas
  • BIM and Construction Integration
  • Gender, Labor, and Family Dynamics
  • Construction Project Management and Performance
  • Financial Literacy, Pension, Retirement Analysis
  • Retirement, Disability, and Employment
  • Entrepreneurship Studies and Influences
  • Food Security and Health in Diverse Populations
  • Innovation and Knowledge Management
  • Global Health Care Issues
  • Aquaculture Nutrition and Growth
  • Monoclonal and Polyclonal Antibodies Research
  • Quality Function Deployment in Product Design
  • Homelessness and Social Issues
  • Pharmaceutical Economics and Policy
  • Urban Green Space and Health
  • Higher Education and Employability
  • Health Systems, Economic Evaluations, Quality of Life
  • Advanced Manufacturing and Logistics Optimization
  • Healthcare Policy and Management
  • Physiological and biochemical adaptations
  • Business Strategy and Innovation
  • Aquaculture disease management and microbiota
  • Listeria monocytogenes in Food Safety
  • University-Industry-Government Innovation Models
  • Mass Spectrometry Techniques and Applications

Altair Engineering (United States)
1992-2023

Center for Innovation
2023

Rush Copley Foundation
2021

United States Census Bureau
2021

University of Maryland, College Park
2021

University of Virginia
2021

National Bureau of Economic Research
2021

Harvard University Press
2021

Northwestern University
2021

Praktisk-Teologiske Seminar
2021

10.1016/0024-6301(92)90027-y article EN Long Range Planning 1992-08-01

Work requirements are common in US safety net programs. Evidence remains limited, however, on the extent to which work increase economic self-sufficiency or screen out vulnerable individuals. Using linked administrative data food stamps (SNAP) and earnings with a regression discontinuity design, we find robust evidence that program exits by 23 percentage points (64 percent) among incumbent participants. Overall participation adults who subject is reduced 53 percent. Homeless...

10.1257/pol.20200561 article EN American Economic Journal Economic Policy 2023-01-31

The oxygen consumption of the crab Carcinus fed a single meal Mytilus tissue equivalent to 2.6% crabs' fresh weight increased 2.3-fold at 3 h after and returned its previous value within 24 h. whole-body protein synthesis rates animals meals similar size paralleled changes; twofold by remained elevated for 16h. Estimates minimal costs indicated that they accounted between 20% 37% measured consumption. There was linear correlation rates. midgut gland, gill, heart, proventriculus, leg extensor...

10.1086/physzool.63.4.30158174 article EN Physiological Zoology 1990-07-01

10.1016/j.jpubeco.2019.104054 article EN Journal of Public Economics 2019-10-28

Research into the consequential cost implications of design decisions (Gray, 1983) has highlighted central role that primary lifting device (predominantly cranes) on control and pace construction operations. In attempting t o evaluate effective options team must, therejbre, appreciate full effect crane choice inherent in each option. The expertise knowledge criteria used select most appropriate cranage is held by a few experienced people either specialist hirers or contractors' plant This...

10.1080/01446198500000010 article EN Construction Management and Economics 1985-09-01

This paper presents a method of locating crane on construction site using mathematical techniques. The optimum location and choice the is seen as one most important parts planning. It proposes algorithm which can define least expensive cranage cost (the total hire, assembly dismantling) by calculating combined use different cranes, such truck crane, crawler travelling based tower or fixed base crane. Conclusions are drawn to relevance application model projects.

10.1080/01446198400000015 article EN Construction Management and Economics 1984-09-01

ABSTRACT The effects of exercise on the rates protein synthesis in chambers trout heart were investigated vitro and vivo. An rainbow preparation was developed which permitted perfusion coronary supply to compact region ventricular muscle. This used examine mechanical responses preload pressures, oxygen consumption at different power outputs various components. By increasing pressure it possible double cardiac output, output without changing rate. Mechanical efficiency hearts approximately...

10.1242/jeb.137.1.565 article EN Journal of Experimental Biology 1988-07-01

Objective To determine whether microbial contamination of door handles in two busy intensive care units and one high dependency unit was related to their design, location, usage. Design Observational study the number viable bacteria on existing different design at defined entry/exit points with simultaneous data collection who used these doors how often. Setting Two specialised a tertiary referral NHS neurological hospital. Main outcome measures Surface bacterial density reference intensity...

10.1371/journal.pone.0040171 article EN cc-by PLoS ONE 2012-10-15

Work requirements are common in U.S. safety net programs.Evidence remains limited, however, on the extent to which work increase economic self-sufficiency or screen out vulnerable individuals.Using linked administrative data food stamps (SNAP) and earnings with a regression discontinuity design, we find robust evidence that program exits by 23 percentage points (64 percent) among incumbent participants after 18 months.There is 53 percent overall reduction participation adults who subject...

10.3386/w28877 preprint EN 2021-06-01

PRO ROFSSORJOHN STANWORTI-I AND Colin Gray are director-general and deputy respectively of thle [Jnited Kingdom's independent rcs strch body, the Small Business Researc h T rust. This paper reports oni a i-tuinber related action-research based projcC ts undertaken by authors inxvolvixtg SBRT major UK (Gover-iment bodies, such as I)epartimient Edtication Science an-d thie then Training Agency. A key goal uLnderi lirig all work reported her c hias heett that channelling educational traiiiing...

10.1177/026624269201000201 article EN International Small Business Journal Researching Entrepreneurship 1992-01-01

The subject of ‘buildability’ has got to the point where it is known that advisable involve contractor in early stages design process. However, this very difficult achieve unless a contract formed between parties, which may not be desirable limits competition. research described paper attempts resolve problem by taking knowledge used and making available team through an Intelligent Knowledge Based System (IKBS). In essence meant deeper understanding methods contractors analyse problems risks...

10.1080/01446198600000011 article EN Construction Management and Economics 1986-09-01

10.1016/0022-1759(85)90098-5 article EN Journal of Immunological Methods 1985-05-01

An abstract is not available for this content so a preview has been provided. As you have access to content, full PDF via the ‘Save PDF’ action button.

10.1017/s0029665100100242 article EN Proceedings of The Nutrition Society 1969-09-01

The UK construction industry is in the process of trying to adopt a new culture based on large‐scale take up innovative practices. Through Demonstration Project many organizations are implementing changed practices and learning from experiences others. This probably largest experiment innovation any recent times. long‐term success will be measured by effectiveness embedding organization. As yet there no recognized approach measuring receptivity organization as an indication likelihood...

10.1080/01446190701573692 article EN Construction Management and Economics 2007-12-01

P.A. SMITH, D. MELLORS, A. HOLROYD AND C. GRAY. 2001. A new medium is described for the isolation of Listeria spp. from foods and environmental samples. It based on a modified Oxford in which 3,4‐cyclohexenoesculetin‐β‐D‐glucoside replaces aesculin. Positive colonies are intensely black with advantage that pigment does not diffuse into medium. The medium, when tested alongside US Department Agriculture (spiked samples) Food Drug Administration (naturally contaminated procedures, performed...

10.1046/j.1472-765x.2001.00860.x article EN Letters in Applied Microbiology 2001-02-01

Much of the construction industry improvement agenda has been focused on achieving integration design and processes. However, current approaches do not create an organizational framework to deal with full supply chains for component based construction. The real chain clients, designers, specialist manufacturers, constructors assemblers is integrated into one group a common purpose. A major ongoing challenge manage essential grouping contributors participants, many whom are involved varying...

10.1080/01446191003725170 article EN Construction Management and Economics 2010-07-01

1. The effect of meals with a high and low protein content the fasting state on renal function plasma atrial natriuretic peptide was studied in water-loaded normal volunteers. 2. Creatinine clearance increased after meal, but did not change meal or while fasting. Observations similar increases urine sodium potassium excretion transient decrease flow both suggest that is an important contributory factor these responses to feeding. 3. Absolute delivery water out proximal tubules (assessed by...

10.1042/cs0750151 article EN Clinical Science 1988-08-01
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