نتایج جستجو برای: chemical losses

تعداد نتایج: 439381  

Journal: :SpringerBriefs on case studies of sustainable development 2023

Abstract The volume of water losses depends largely on the approach to active leakage control networks. Losses comprise physical (leakages transmission and/or distribution networks, at utility’s storage tanks, and service connections), commercial (unauthorised consumption metering inaccuracies data handling errors) unbilled authorised (unbilled metered unmetered consumption). Reduction real may...

Background:  Scene management in accidents reduces losses, speeds treatment, and facilitates immediate victim transfer. Learning the related skills through theory-based educational intervention makes this task possible. This study aimed to determine the effect of theory-based educational intervention on emergency medical personnel skills to manage the scene in chemical accidents. Materials and...

Journal: :Current Biology 2008
Nigel Williams

selfish director, however, might restrict himself to poaching the best staff members from the university without giving anything back. Writing for the daily paper Frankfurter Allgemeine Zeitung (FAZ), the nine university professors, led by biochemist Günter Blobel from Rockefeller University, have outlined what they call the “unsolved MaxPlanck problem” of German research, namely the artificial...

2000
N. C. Hansen S. C. Gupta J. F. Moncrief

In cold climates, snowmelt runoff often exceeds rainfall runoff during the year. Conservation tillage practices may be effective in reducing runoff during the cropping season but not during the snowmelt period. A plot study was conducted on a cropped hillslope to assess how tillage practices affect snowmelt runoff and the associated losses of sediment, phosphorus (P), and chemical oxygen demand...

2012
R. N. Sahoo

Historically, agronomic practices and management recommendations have been developed for implementation on a field basis. This generally results in the uniform application of tillage, fertilizer, sowing and pest control treatments at a field scale. Farm fields, however, display considerable spatial variation in crop yield, at the 'within-field' scale. Such uniform treatment of a field ignores t...

Journal: :The Science of the total environment 2017
Carlie A LaLone Daniel L Villeneuve Judy Wu-Smart Rebecca Y Milsk Keith Sappington Kristina V Garber Justin Housenger Gerald T Ankley

Ongoing honey bee (Apis mellifera) colony losses are of significant international concern because of the essential role these insects play in pollinating crops. Both chemical and non-chemical stressors have been implicated as possible contributors to colony failure; however, the potential role(s) of commonly-used neonicotinoid insecticides has emerged as particularly concerning. Neonicotinoids ...

2004
Sylvie Cauvin

The aim of the CHEM project is to develop and implement advanced Decision Support Systems (DSS) for process monitoring, data and event analysis, and operation support in industrial processes. These systems are synergistic integration of innovative software tools, which improve the safety, product quality and operation reliability as well as reduce the economic losses due to faulty states, mainl...

2007

o The result of losses o Genetic-physiological-chemical factors o Poor social skills o Helplessness and hopelessness o How do you explain things? o Negative views o Irrational ideas o Unreasonable thinking and faulty conclusions o Self-critical withdrawal o Anger turned inward § A fairy tale--Sooty Sarah... o Guilt o Unmet dependency o Impossible goals or no goals o Shame o Lacking self-control...

Journal: :Bulletin of environmental contamination and toxicology 1973
Y Iwata W E Westlake F A Gunther

Each fortified and control sample, moistened to 40~ saturation, was inoculated and kept in an enameled tray loosely covered with a glass plate to retard water evaporation, substrate volatilization, and photodecomposition. Thus, the substrates would be subject to possible microbial degradation, chemical degradation, and adsorption to soil colloids, but not losses due to leaching or soil transpor...

Journal: :Advanced materials 2012
Alexander Gumennik Alexander M Stolyarov Brent R Schell Chong Hou Guillaume Lestoquoy Fabien Sorin William McDaniel Aimee Rose John D Joannopoulos Yoel Fink

A new all-in-fiber trace-level chemical sensing approach is demonstrated. Photoconductive structures, embedded directly into the fiber cladding along its entire length, capture light emitted anywhere within the fiber's hollow core and transform it directly into an electrical signal. Localized signal transduction circumvents problems associated with conventional fiber-optics, including limited s...

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