Results 41 to 50 of about 12,031,704 (340)

Patterns of Sponge Abundance Across a Gradient of Habitat Quality in the Wakatobi Marine National Park, Indonesia [PDF]

open access: yes, 2011
Sponges are important components of reef communities worldwide, fulfilling a number of important functional roles. Habitat degradation caused by the loss of hard corals has the potential to cause increases in sponge abundance and percentage cover as they
Bell, JJ   +3 more
core   +1 more source

The properties of bitumen with different modifiers after a short-term aging process

open access: yesBudownictwo i Architektura, 2014
The aim of the study was a comparative feasibility studies of the influence of modern modifiers (Trinidad , Gilsonit , synthetic wax , adhesive agent ) for incorporating them to the bituminous mixture at low temperatures production.
Marek Iwański   +2 more
doaj   +1 more source

Outcomes following laminoplasty or laminectomy and fusion in patients with myelopathy caused by ossification of the posterior longitudinal ligament: A systematic review [PDF]

open access: yes, 2016
Study Design Systematic review. Objective To compare laminoplasty versus laminectomy and fusion in patients with cervical myelopathy caused by OPLL. Methods A systematic review was conducted using PubMed/Medline, Cochrane database, and Google scholar of ...
Limthongkul, Worawat   +4 more
core   +2 more sources

In-season training load quantification of one-, two- and three-game week schedules in a top European professional soccer team [PDF]

open access: yes, 2019
Top European soccer teams that play in UEFA competitions often participate in one, two- or three-games per week. Therefore, it is necessary to ensure optimal match-day performance and full recovery.
Brito, João   +7 more
core   +1 more source

If There Is No Significant Difference, Why Should We Care?

open access: yesJournal of Educators Online, 2005
In the early 1900’s, as correspondence courses came into vogue, there was a question that weighed on the minds of educators: could students learn as well at a distance as they could face to face?
Sharmila Basu Conger, Ph.D.,
doaj   +1 more source

Insect (Arthropoda: Insecta) Composition in the Diet of Ornate Box Turtles (Terrapene ornata ornata) in Two Western Illinois Sand Prairies, with a New State Record for Cyclocephala (Coleoptera: Scarabaeidae) [PDF]

open access: yes, 2018
A study of fecal samples collected over a two-year period from juvenile ornate box turtles (Terrapene ornata ornata Agassiz) revealed diets consisting of six orders of insects representing 19 families. Turtles were reared in captivity from eggs harvested
Lago, P. K.   +3 more
core   +3 more sources

A randomised controlled trial evaluating the use of polyglactin mesh, polydioxanone and polyglactin sutures for pelvic organ prolapse surgery [PDF]

open access: yes, 2008
To compare the effectiveness of polyglactin mesh, and polydioxanone or polyglactin sutures in women having pelvic organ prolapse surgery. Randomised controlled trial with a factorial 2(2 design of polyglactin mesh or not, and polydioxanone or polyglactin
Alladin, S   +2 more
core   +1 more source

基于程函面波成像的华北克拉通岩石圈三维高分辨率S波速度结构研究

open access: yesDizhen xuebao
利用“中国地震科学台阵探测”项目Ⅱ期和Ⅲ期的流动地震台站以及中国区域地震台网中的部分固定台站的观测资料,采用程函面波成像方法获得了华北克拉通及周边区域10—120 s周期的瑞雷面波相速度分布和高分辨率的三维S波速度结构,并基于该速度模型估算了岩石圈厚度分布。结果显示,华北克拉通内部岩石圈厚度除了存在“西厚东薄”的一级分布特征外,还存在一些更小尺度的差异,包括鄂尔多斯地块内部岩石圈“南厚北薄”、鄂尔多斯地块周缘断陷带岩石圈显著的不均匀减薄以及燕山构造带与其南侧华北平原之间的显著差异等 ...
Shijun Zhong   +4 more
doaj   +1 more source

Measuring Learning Effectiveness: A New Look at No-Significant-Difference Findings

open access: yesOnline Learning, 2019
Researchers, instructional designers and consumers of ALNs must be cautious when interpreting results of media comparison studies. Much of the literature purports to have found no significant difference in learning effectiveness between technology-based
Ernest H. Joy, Federico E. Garcia
doaj   +1 more source

Increasing prevalence of asthma diagnosis and symptoms in children is confined to mild symptoms [PDF]

open access: yes, 2001
BACKGROUND: The prevalence of childhood asthma is increasing but few studies have investigated trends in asthma severity. We investigated trends in asthma diagnosis and symptom morbidity between an eight year time period in a paired prevalence study.
Billings, C.   +7 more
core   +2 more sources

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