نتایج جستجو برای: field study

تعداد نتایج: 4539283  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1392

gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...

2015
Peter Paul Hoppe Anton Safer Vanessa Amaral-Rogers Jean-Marc Bonmatin Dave Goulson Randolph Menzel Boris Baer

Our assessment of the multi-year overwintering study by Pilling et al. (2013) revealed a number of major deficiencies regarding the study design, the protocol and the evaluation of results. Colonies were exposed for short periods per year to flowering oilseed rape and maize grown from thiamethoxam-coated seeds. Thiamethoxam as the sole active ingredient was used, not a more efficacious commerci...

Journal: :Adapted physical activity quarterly : APAQ 2002
Lauren J Lieberman Cathy Houston-Wilson Francis M Kozub

The purpose of this study was to examine barriers perceived by teachers when including students with visual impairments in general physical education. Teachers (52 males, 96 females) who had children with visual impairments in their physical education classes were surveyed prior to in-service workshop participation. The most prevalent barriers were professional preparation, equipment, programmi...

Journal: :The British journal of ophthalmology 1983
A Heijl S M Drance

Patients with chronic open-angle glaucoma and others suspected of having glaucoma were subjected to continuous contrast threshold measurement by automatic and manual perimetric techniques. The results show that an increase of contrast threshold over time is a frequent finding in glaucoma patients and that this increment can be large, especially at points close to existing field defects. it is r...

2009
Remo Susanna Jr Roberto M Vessani

Staging glaucomatous damage into appropriatecategories enhances management of the disease. Automated static perimetry is the benchmark for testing visual function in glaucoma. Numerous examples of standard automated perimetry staging systems have been proposed but difficulties such as lack of accuracy, absence of information related to location and depth of the defect(s) and need of time-consum...

Journal: :Journal of zoology 1987
M B Mulder

Contradictory results regarding the relationship between resources and reproductive success of women have led some social scientists to conclude that evolutionary biological models are inappropriate to the study of human social behavior. This paper suggests instead that the variability across societies in this relationship reflects an inadequate specification of the nature and availability of ...

Journal: :Nano letters 2009
Mickaël Marchand Catherine Journet Dominique Guillot Jean-Michel Benoit Boris I Yakobson Stephen T Purcell

We use field emission microscopy (FEM) to observe directly the growths of individual carbon nanotubes (CNTs) from the nucleation stage and discover that the CNTs often rotate axially during growth, thus supporting a recently proposed "screw-dislocation-like" (SDL) model. One particularly revealing case is emphasized here in which the CNT turned approximately 180 times during its 11 min growth. ...

Journal: :Clinical journal of oncology nursing 2014
Crystal Dodson

More than 20 different pharmacogenomic tests are being used in the oncology field. The current descriptive study was conducted with 368 oncology nurses in North Carolina to identify and test key elements of Rogers' Diffusion of Innovation Theory that play a role in the adoption of pharmacogenomic testing. Oncology nurses who participated in this study had limited knowledge of genomics and pharm...

Journal: :Journal of glaucoma 2014
Cédric Lamirel Dan Milea Isabelle Cochereau Minh-Hanh Duong Jean Lorenceau

PURPOSE Our study aimed at investigating the extent to which saccadic eye movements are disrupted in patients with primary open-angle glaucoma (POAG). This approach followed upon the discovery of differences in the eye-movement behavior of POAG patients during the exploration of complex visual scenes. METHODS The eye movements of 8 POAG patients and 4 healthy age-matched controls were recorde...

2017
Jack Phu Sieu K Khuu Michael Yapp Nagi Assaad Michael P Hennessy Michael Kalloniatis

White-on-white standard automated perimetry (SAP) is widely used in clinical and research settings for assessment of contrast sensitivity using incremental light stimuli across the visual field. It is one of the main functional measures of the effect of disease upon the visual system. SAP has evolved over the last 40 years to become an indispensable tool for comprehensive assessment of visual f...

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