Pine root structure and its potential significance for root function

2000 ◽  
pp. 347-355
Author(s):  
Carol A. Peterson ◽  
Daryl E. Enstone ◽  
Jeff H. Taylor
Keyword(s):  
Root Function ◽  
Root Structure ◽  
Potential Significance

Visual Evoked-Response Correlates of Speechreading Performance in Normal-Hearing Adults

1983 ◽  
Vol 26 (1) ◽  
pp. 2-9 ◽  
Author(s):  
Vincent J. Samar ◽  
Donald G. Sims
Keyword(s):  
Multiple Correlation Coefficient ◽  
Evoked Response ◽  
Multiple Correlation ◽  
Potential Significance ◽  
Visual Evoked Response ◽  
Latency Measure ◽  
Two Measures ◽  
Components Analysis ◽  
The Relationship ◽  
Visual Evoked

The relationship between the latency of the negative peak occurring at approximately 130 msec in the visual evoked-response (VER) and speechreading scores was investigated. A significant product-moment correlation of -.58 was obtained between the two measures, which confirmed the fundamental effect but was significantly weaker than that previously reported in the literature (-.90). Principal components analysis of the visual evoked-response waveforms revealed a previously undiscovered early VER component, statistically independent of the latency measure, which in combination with two other components predicted speechreading with a multiple correlation coefficient of S4. The potential significance of this new component for the study of individual differences in speechreading ability is discussed.

Trajectory shaping guidance law design using constraint-combining multiplier

2021 ◽  
pp. 095441002098637
Author(s):  
Min-Guk Seo ◽  
Chang-Hun Lee ◽  
Tae-Hun Kim
Keyword(s):  
Design Method ◽  
Impact Angle ◽  
State Variables ◽  
Flight Trajectory ◽  
Potential Significance ◽  
Guidance Law ◽  
Terminal Constraints ◽  
The Impact ◽  
Guidance Laws ◽  
Impact Angle Constraint

A new design method for trajectory shaping guidance laws with the impact angle constraint is proposed in this study. The basic idea is that the multiplier introduced to combine the equations for the terminal constraints is used to shape a flight trajectory as desired. To this end, the general form of impact angle control guidance (IACG) is first derived as a function of an arbitrary constraint-combining multiplier using the optimal control. We reveal that the constraint-combining multiplier satisfying the kinematics can be expressed as a function of state variables. From this result, the constraint-combining multiplier to achieve a desired trajectory can be obtained. Accordingly, when the desired trajectory is designed to satisfy the terminal constraints, the proposed method directly can provide a closed form of IACG laws that can achieve the desired trajectory. The potential significance of the proposed result is that various trajectory shaping IACG laws that can cope with various guidance goals can be readily determined compared to existing approaches. In this study, several examples are shown to validate the proposed method. The results also indicate that previous IACG laws belong to the subset of the proposed result. Finally, the characteristics of the proposed guidance laws are analyzed through numerical simulations.

What is Re-Globalization?

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Roland Benedikter
Keyword(s):  
Potential Significance

Abstract Roland Benedikter explores the meaning and the potential significance of a new term.

scholarly journals The bowel and beyond: extracolonic findings from CT colonography

2021 ◽  
Author(s):  
Gerard Lambe ◽  
Peter Hughes ◽  
Louise Rice ◽  
Caoimhe McDonnell ◽  
Mark Murphy ◽  
...  
Keyword(s):  
Ct Colonography ◽  
Surgical Intervention ◽  
Potential Significance ◽  
Age And Gender ◽  
Abdominal Aortic ◽  
Life Threatening ◽  
Extracolonic Findings ◽  
The Difference ◽  
Clinically Significant ◽  
And Gender

AbstractCT colonography has emerged as the investigation of choice for suspected colorectal cancer in patients when a colonoscopy in incomplete, is deemed high risk or is declined because of patient preference. Unlike a traditional colonoscopy, it frequently reveals extracolonic as well as colonic findings. Our study aimed to determine the prevalence, characteristics and potential significance of extracolonic findings on CT colonography within our own institution. A retrospective review was performed of 502 patients who underwent CT colonography in our institution between January 1, 2010 and January 4, 2015. Of 502 patients, 60.63% had at least one extracolonic finding. This was close to other similar-sized studies (Kumar et al. Radiology 236(2):519–526, 2005). However, our rate of E4 findings was significantly higher than that reported in larger studies at 5.3%(Pooler et al. AJR 206:313–318, 2016). The difference may be explained by our combination of symptomatic/screening patients or by the age and gender distribution of our population. Our study lends support to the hypothesis that CT colonography may be particularly useful in identifying clinically significant extracolonic findings in symptomatic patients. CT colonography may allow early identification of extracolonic malignancies and life-threatening conditions such as an abdominal aortic aneurysm at a preclinical stage when they are amenable to medical or surgical intervention. However, extracolonic findings may also result in unnecessary investigations for subsequently benign findings.

scholarly journals MOLECULAR MAPPING OF A GENE CLUSTER FLANKING THE DROSOPHILA DOPA DECARBOXYLASE GENE

Genetics ◽  
1984 ◽  
Vol 106 (4) ◽  
pp. 679-694
Author(s):  
Denise Gilbert ◽  
Jay Hirsh ◽  
T R F Wright
Keyword(s):  
Gene Cluster ◽  
Molecular Mapping ◽  
Gene Density ◽  
Dopa Decarboxylase ◽  
Chromosomal Dna ◽  
Potential Significance ◽  
High Gene ◽  
Complementation Groups ◽  
High Gene Density

ABSTRACT Nine lethal complementation groups flanking the Drosophila Dopa decarboxylase (Ddc) gene, have been localized within 100 kb of cloned chromosomal DNA. Six of these complementation groups are within 23 kb of DNA, and all ten complementation groups, including Ddc, lie within 78-82 kb of DNA. The potential significance of this unusually high gene density is discussed.

The relations between pleasurable emotions and depression: Exploring the potential significance of contentment

2021 ◽  
Vol 283 ◽  
pp. 249-253
Author(s):  
Nathaniel S. Eckland ◽  
Bienvenu Nzinga ◽  
Rachel Leipow ◽  
Howard Berenbaum
Keyword(s):  
Potential Significance
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