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https://www.readbyqxmd.com/read/29692086/-response-of-radial-growth-of-pinus-koraiensis-and-picea-jezoensis-to-climate-change-in-xiao-xing-anling-mountains-northeast-china
#1
Jian Yu, Qi Jing Liu, Guang Zhou, Sheng Wang Meng, Hua Zhou, Zhen Zhao Xu, Jing Ning Shi, Wen Xian Du
Based on dendrochronological methods, we established residual chronologies of Pinus koraiensis and Picea jezoensis, with the dominant species of broadleaved Korean pine mixed forest at low altitudes chosen as the research object, to identify the key climatic factors affecting the radial growth of the two species in Xiaoxing'anling Mountains, Northeast China. The results showed that the responses of the two species to climate factors were different, and P. koraiensis was more sensitive, and hence more suitable for dendroclimatological analysis...
November 2017: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29692076/-differences-of-vegetation-phenology-monitoring-by-remote-sensing-based-on-different-spectral-vegetation-indices
#2
Lu Zuo, Huan Jiong Wang, Rong Gao Liu, Yang Liu, Rong Shang
Vegetation phenology is a comprehensive indictor for the responses of terrestrial ecosystem to climatic and environmental changes. Remote sensing spectrum has been widely used in the extraction of vegetation phenology information. However, there are many differences between phenology extracted by remote sensing and site observations, with their physical meaning remaining unclear. We selected one tile of MODIS data in northeastern China (2000-2014) to examine the SOS and EOS differences derived from the normalized difference vegetation index (NDVI) and the simple ratio vegetation index (SR) based on both the red and near-infrared bands...
February 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29692045/-the-latest-progress-in-ecosystem-service-flow-research-methods
#3
Jing Yao, Xing Yuan He, Wei Chen
Ecosystem service flow is the key point and difficulty of ecosystem services research, which is now at the initial stage and show a developing trend of quantity and spatialization. However, the term "ecosystem service flow" is ambiguous. In this paper, we presented two descriptions about the term, and two corresponding theories and methods: the transmission of a service from ecosystems to people and distributed ecosystem model, and the flow of benefits accruing to people as generated by stocks of ecosystem structure and grey/black box theory...
January 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29692044/-review-of-lime-carbon-sink
#4
Li Li Liu, Jiang Hua Ling, Li Tie, Jiao Yue Wang, Long Fei Bing, Feng Ming Xi
Under the background of "missing carbon sink" mystery and carbon capture and storage (CCS) technology development, this paper summarized the lime material flow process carbon sink from the lime carbonation principles, impact factors, and lime utilization categories in chemical industry, metallurgy industry, construction industry, and lime kiln ash treatment. The results showed that the lime carbonation rate coefficients were mainly impacted by materials and ambient conditions; the lime carbon sink was mainly in chemical, metallurgy, and construction industries; and current researches focused on the mechanisms and impact factors for carbonation, but their carbon sequestration calculation methods had not been proposed...
January 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29692039/-habitat-suitability-index-of-larval-japanese-halfbeak-hyporhamphus-sajori-in-bohai-sea-based-on-geographically-weighted-regression
#5
Yang Zhao, Xue Qing Zhang, Xiao Dong Bian
To investigate the early supplementary processes of fishre sources in the Bohai Sea, the geographically weighted regression (GWR) was introduced to the habitat suitability index (HSI) model. The Bohai Sea larval Japanese Halfbeak HSIGWR model was established with four environmental variables, including sea surface temperature (SST), sea surface salinity (SSS), water depth (DEP), and chlorophyll a concentration (Chl a). Results of the simulation showed that the four variables had different performances in August 2015...
January 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29691950/adapting-evidence-based-clinical-practice-guidelines-at-university-teaching-hospitals-a-model-for-the-eastern-mediterranean-region
#6
Yasser S Amer, Hayfaa A Wahabi, Manal M Abou Elkheir, Ghada A Bawazeer, Shaikh M Iqbal, Maher A Titi, Aishah Ekhzaimy, Khalid A Alswat, Rasmieh A Alzeidan, Lubna A Al-Ansary
RATIONALE, AIMS, AND OBJECTIVES: Clinical practice guidelines (CPGs) are significant tools for evidence-based health care quality improvement. The CPG program at King Saud University was launched as a quality improvement program to fulfil the international accreditation standards. This program was a collaboration between the Research Chair for Evidence-Based Healthcare and Knowledge Translation and the Quality Management Department. This study aims to develop a fast-track method for adaptation of evidence-based CPGs and describe results of the program...
April 24, 2018: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/29691895/evaluating-accuracy-of-diagnostic-tests-without-conditional-independence-assumption
#7
Di Lu, Chunxiao Zhou, Larry Tang, Ming Tan, Ao Yuan, Leighton Chan
Evaluating the accuracy (ie, estimating the sensitivity and specificity) of new diagnostic tests without the presence of a gold standard is of practical meaning and has been the subject of intensive study for several decades. Existing methods use 2 or more diagnostic tests under several basic assumptions and then estimate the accuracy parameters via the maximum likelihood estimation. One of the basic assumptions is the conditional independence of the tests given the disease status. This assumption is impractical in many real applications in veterinary research...
April 25, 2018: Statistics in Medicine
https://www.readbyqxmd.com/read/29691868/de-implementation-a-concept-analysis
#8
Michele J Upvall, Annette M Bourgault
AIM: The purpose of this concept analysis is to explore the meaning of de-implementation and provide a definition that can be used by researchers and clinicians to facilitate evidence-based practice. BACKGROUND: De-implementation is a relatively unknown process overshadowed by the novelty of introducing new ideas and techniques into practice. Few studies have addressed the challenge of de-implementation and the cognitive processes involved when terminating harmful or unnecessary practices...
April 25, 2018: Nursing Forum
https://www.readbyqxmd.com/read/29691867/progress-towards-pig-nutrition-in-the-last-27-years
#9
REVIEW
Yi Wu, Jianfei Zhao, Chenchen Xu, Ning Ma, Ting He, Jinshan Zhao, Xi Ma, Phil A Thacker
Over the last 27 years (1990-2017), based on the revolutionary progresses of basic nutrition research, novel methods and techniques have been developed which bring a profound technological revolution to pig production from free-range system to intensive farming all over the world. Basic theoretical innovations and feed production studies have provided vital advancements in pig nutrition by developing formula feed, utilizing balanced diets, determining feed energy value, dividing pig physiological stages, enhancing gut health, and improving feed processing technique...
April 24, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29691805/a-question-of-dissemination-assessing-the-practices-and-implications-of-research-in-tropical-landscapes
#10
Anne H Toomey, María Eugenia Copa Alvaro, Matthew Aiello-Lammens, Oscar Loayza Cossio, Jos Barlow
Current debates in the conservation sciences argue for better integration between research and practice, often citing the importance of the diffusion, dissemination and implementation of scientific knowledge for environmental management and policy. This paper focuses on a relatively well-researched protected area (Madidi National Park) in Bolivia in order to present different interpretations and understandings of the implications and availability of research findings. We draw on findings from quantitative and qualitative methods to determine the extent to which research carried out in the region was disseminated and/or implemented for management actions, and to understand subsequent implications for how local actors perceive the value of research and its role in management and conservation...
April 24, 2018: Ambio
https://www.readbyqxmd.com/read/29691797/designing-a-score-based-method-for-the-evaluation-of-the-nutritional-quality-of-the-gluten-free-bakery-products-and-their-gluten-containing-counterparts
#11
Federico Morreale, Donato Angelino, Nicoletta Pellegrini
Gluten-free (GF) products are consumed both by individuals with celiac disease and by an increasing number of people with no specific medical needs. Although the technological quality of GF products has been recently improved, their nutritional quality is still scarcely addressed. Moreover, the few published studies report conflicting results, mostly because the information from product nutrition facts is the only considered factor. The aim of the present study was to develop a score-based method for the nutritional evaluation of 134 packaged Italian GF bakery products and to compare it with that of 162 matched gluten-containing (GC) food items...
April 25, 2018: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/29691795/improved-protocol-for-chondrogenic-differentiation-of-bone-marrow-derived-mesenchymal-stem-cells-effect-of-pthrp-and-fgf-2-on-tgf%C3%AE-1-bmp2-induced-chondrocytes-hypertrophy
#12
Davood Nasrabadi, Siamak Rezaeiani, Mohamadreza Baghaban Eslaminejad, Aliakbar Shabani
Growth factors have a pivotal role in chondrogenic differentiation of stem cells. The differential effects of known growth factors involved in the maintenance and homeostasis of cartilage tissue have been previously studied in vitro. However, there are few reported researches about the interactional effects of growth factors on chondrogenic differentiation of stem cells. The aim of this study is to examine the combined effects of four key growth factors on chondrogenic differentiation of mesenchymal stem cells (MSCs)...
April 24, 2018: Stem Cell Reviews
https://www.readbyqxmd.com/read/29691788/tissue-identification-in-a-porcine-model-by-differential-ion-mobility-spectrometry-analysis-of-surgical-smoke
#13
Anton Kontunen, Markus Karjalainen, Jukka Lekkala, Antti Roine, Niku Oksala
Electrosurgery is widely used in various surgical operations. When tissue is cut with high-frequency current, the cell contents at the incision area evaporate and together with water and possible soot particles, form surgical smoke. The smoke contains cell metabolites, and therefore, possible biomarkers for cancer or bacterial infection. Thus, the analysis of surgical smoke could be used in intraoperative medical diagnostics. We present a method that can be used to detect the characteristics of various tissue types by means of differential ion mobility spectrometry (DMS) analysis of surgical smoke...
April 24, 2018: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29691730/differentiation-of-dental-restorative-materials-combining-energy-dispersive-x-ray-fluorescence-spectroscopy-and-post-mortem-ct
#14
Tim Merriam, Rolf Kaufmann, Lars Ebert, Renato Figi, Rolf Erni, Robin Pauer, Till Sieberth
Today, post-mortem computed tomography (CT) is routinely used for forensic identification. Mobile energy-dispersive X-ray fluorescence (EDXRF) spectroscopy of a dentition is a method of identification that has the potential to be easier and cheaper than CT, although it cannot be used with every dentition. In challenging cases, combining both techniques could facilitate the process of identification and prove to be advantageous over chemical analyses. Nine dental restorative material brands were analyzed using EDXRF spectroscopy...
April 24, 2018: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/29691726/green-and-bio-based-solvents
#15
REVIEW
Francisco G Calvo-Flores, María José Monteagudo-Arrebola, José A Dobado, Joaquín Isac-García
Chemical reactions and many of the procedures of separation and purification employed in industry, research or chemistry teaching utilize solvents massively. In the last decades, with the birth of Green Chemistry, concerns about the employment of solvents and the effects on human health, as well as its environmental impacts and its dependence on non-renewable raw materials for manufacturing most of them, has drawn the attention of the scientific community. In this work, we review the concept of green solvent and the properties and characteristics to be considered green...
April 24, 2018: Topics in Current Chemistry (Journal)
https://www.readbyqxmd.com/read/29691707/the-multiple-deficit-model-of-dyslexia-what-does-it-mean-for-identification-and-intervention
#16
Jeremiah Ring, Jeffrey L Black
Research demonstrates that phonological skills provide the basis of reading acquisition and are a primary processing deficit in dyslexia. This consensus has led to the development of effective methods of reading intervention. However, a single phonological deficit is not sufficient to account for the heterogeneity of individuals with dyslexia, and recent research provides evidence that supports a multiple-deficit model of reading disorders. Two studies are presented that investigate (1) the prevalence of phonological and cognitive processing deficit profiles in children with significant reading disability and (2) the effects of those same phonological and cognitive processing skills on reading development in a sample of children that received treatment for dyslexia...
April 24, 2018: Annals of Dyslexia
https://www.readbyqxmd.com/read/29691671/upstream-flood-pattern-recognition-based-on-downstream-events
#17
Omid Bozorg-Haddad, Farzan Hamedi, Elahe Fallah-Mehdipour, Hugo A Loáiciga
Reverse stream flood routing determines the upstream hydrograph in a stream reach given the downstream hydrograph. The Muskingum model of flood routing involves parameters that govern the routed hydrograph. These parameters are herein estimated using simulation methods coupled with optimization tools to achieve optimized parameters. Different simulation methods are shown to perform unequally in the estimation of nonlinear Muskingum parameters. This paper presents two simulation methods for nonlinear Muskingum reverse flood routing: (1) Euler equations and (2) Runge-Kutta 4th order equations...
April 24, 2018: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29691613/lesion-size-measurement-in-femoral-head-necrosis
#18
Marvin E Steinberg, Seong C Oh, Viviane Khoury, Jayaram K Udupa, David R Steinberg
BACKGROUND: Management of patients with early stages of osteonecrosis of the femoral head remains controversial. Uniform use of an effective method of evaluation and classification, including both stage and lesion size, would allow for comparison and would significantly improve treatment of patients. There is no consensus on how best to determine lesion size. The purpose of this study was to evaluate and compare accuracy and ease of use of different techniques for determining the size of femoral head lesions...
April 25, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29691594/response-rate-differences-between-web-and-alternative-data-collection-methods-for-public-health-research-a-systematic-review-of-the-literature
#19
REVIEW
Cauane Blumenberg, Aluísio J D Barros
OBJECTIVES: To systematically review the literature and compare response rates (RRs) of web surveys to alternative data collection methods in the context of epidemiologic and public health studies. METHODS: We reviewed the literature using PubMed, LILACS, SciELO, WebSM, and Google Scholar databases. We selected epidemiologic and public health studies that considered the general population and used two parallel data collection methods, being one web-based. RR differences were analyzed using two-sample test of proportions, and pooled using random effects...
April 24, 2018: International Journal of Public Health
https://www.readbyqxmd.com/read/29691551/-experimental-research-of-hot-alkaline-solution-etching-treatment-on-zirconia-resin-bonding-strength
#20
Li-Yang Wan, Hong-Shui Zhu
PURPOSE: In this experiment, we applied hot alkaline solution (20%NaOH solutions) to treat the surfaces of zirconia ceramics in vitro, then evaluated the changes of bond strength of zirconia ceramics and resin cement. METHODS: Eighteen pieces of zirconia ceramic specimens were made, using the same method of grinding and polishing, and then randomly divided them into 3 groups: group A with hot alkali solution treatment (20%NaOH) (n=6), group B underwent sand blasting with a diameter of 110 ?m alumina particles (n=6), group C was as the control group...
December 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
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