Author: Majid Javari
Spatial-seasonal variability and temporal trends has essential importance to climatic prediction and analysis. The aim of this research is the seasonal variations and temporal trends in the Iran were predicted by using rainfall series. The exploratory-confirmatory method, and seasonal time series procedure (STSP), temporal trend (TT), seasonal least squares (SLS) and spatial (GIS) methods (STSP¬-SLS-GIS) were employed to bring to light rainfall spatial-seasonal variability and temporal trends (SSVTT). To explore the spatial-seasonal variability and temporal trends during the period over 1975 to 2014 at 140 stations. To investigate the spatial-seasonal variability and temporal trends amount of each series was studied using ArcGIS 10.3 on different time scale. New climatic findings for the region: the investigates and predictions revealed that: (a) range of monthly and seasonal changes of rainfall tends to be highest (increasing trend) during winter (Winter Seasonal Index or WUSI=137.83 mm); (b) lowest (decreasing trend) during summer (Summer Seasonal Index or SUSI=20.8l mm) and (c) the coefficient of rainfall seasonal pattern variations in winter to 5.94 mm, in spring to 11.13 mm, in summer to 4.44 mm and in autumn to 8.05 mm with seasonality being the most effective of all. Mean annual rainfall changed from 51.45 mm (at Bafgh) to 1834.9 mm (at Bandar Anzali). Maximum decrease in annual rainfall was obtained at Miandeh Jiroft (-143.83%) and minimum at Abali (-0.013%) station. The most apparent year of variation was 2007 in annual rainfall.
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Journal: The Open Biotechnology Journal
Authors: Damiano Gustavo Mita
The role of Endocrine Disruptors as real risk for ecosystems, wildlife and humans represents a concern and the debate on this issue is open owing the conflicting interests between the producers of these products and the scientific community. A concise overview of the nature, presence and adverse effects induced in wildlife and humans by Endocrine Disruptors is illustrated. Some indications to reduce the exposure risk to Endocrine Disruptors are suggested.
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Journal: The Open Neuroimaging Journal
Authors: Yelena G. Bodien , Joseph T. Giacino
The diagnostic assessment of patients with disorder of consciousness is currently based on clinical testing at the bedside and prone to a high error rate in the assessment of the degree of conscious awareness. Investigation of more objective assessment strategies, such as the use of functional magnetic resonance imaging (fMRI) to detect conscious awareness, are becoming increasingly popular in the research community. However, inherent challenges to the use of fMRI threaten its validity as a diagnostic tool and will need to be resolved prior to its integration into the clinical setting. These challenges, which range from the heterogeneity of the patient sample to factors influencing data acquisition and biases in interpretation strategies, are discussed below. Recommendations aimed at mitigating some of the limitations are provided.
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This research article by Dr. Saad Al-Almaie has been published in The Open Dentistry Journal, Volume 10, 2016
Immediate implant placement using the osteotome technique is a gentle technique and offers several significant advantages over the traditional graded series of drills:
- This technique retains the total bone mass which is necessary to preserve the remaining bone and improve its quality, mainly, when the alveolar bone is compromised in quality or quantity.
- It is an alternative to block grafting in select cases to increase the ridge width for implant placement.
- It allows immediate placement of implants in narrow ridges at the time of expansion.
- Osteotomes take advantage of the fact that bone is viscoelastic and can be compressed and manipulated. Compression creates a denser bony interface with increased bone to implant contact and therefore good initial stabilization of the dental implant.
- Heat is a major detriment to osseointegration, but the osteotome technique is an essentially heatless and therefore should not destroy the viable bone-forming cells.
- This technique also allows for greater tactile sensitivity.
- It is minimally invasive and cost effective.
- Faster prosthetic restoration is possible.
In spite of this Straumann dental implants with an SLA endosseous surface offer a promising solution for rapid anchoring in the bone and the bone-to-implant contact is found to be higher on rougher surfaces than on smoother interfaces with high percentage contact in descriptive histomorphometric studies and high removal torque values in functional studies. This procedure for a better and faster bone integration of SLA implants in the initial healing period which is optimized mechanically and topographically.
Reference: Al-Almaie, S.; et al. (2016). Immediate Dental Implant Placements Using Osteotome Technique: A Case Report and Literature Review, Open Dent. J ., DOI: 10.2174/1874210616021001367
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Author: Irina Khamaganova
The etiology of localized scleroderma remains unclear. The objective of this article is to review different theories of etiology, specifically provocative and predisposing factors for the development of localized scleroderma. The mini-review presents the factors, which may influence the occurrence of localized scleroderma. The genetic predisposition for the development of scleroderma is a relevant characteristic of the disease. Different traumatic factors, viral & bacterial infections, chemical substances, pharmaceutical agents may trigger localized scleroderma. Neoplasia is regarded as a distinct triggering impulse for scleroderma.
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This research article by Dr. Zhenyang Zhu et al. is published in The Open Construction & Building Technology Journal, Volume 10, 2016
The adiabatic temperature rise of early-age concrete can be precisely tested by an adiabatic temperature measuring device. There are many types of those devices, with the only objective to make the specimen’s ambient temperature equal to the central temperature. However, the insufficient accuracy of testing device can lead to inaccurate measurements of adiabatic temperature rise of later-age concrete. The previous models to solve this problem are mainly based on fitting and back analysis. However, previous data cannot precisely represent the latter data when using fitting and back analysis method in all cases. Although the adiabatic temperature rise of later-age moderate heat concrete could not be measured accurately, considering the heat release of the concrete is accomplished with the increment of the concrete strength, the relationship between concrete strength development and hydration heat release can be studied to predict the heat release of later-age concrete. And the strength of the later-age concrete can be precisely tested. Based on the previous studies, by studying the relationship between cementitious materials and concrete’s thermal and mechanical behavior, a preliminary later-age hydration heat model has been been established. The correction of the model was verified through experiments. The research results of this paper also show that the long-term strength development of concrete containing dicalcium silicate (Ca2SiO4) or mixed with fly ash, as well as its lower hydration heat in the early stage, was beneficial for improving the pipe cooling effectand controlling temperature peaks in the early stages. However, the pipe cooling time needed to be extended in order to eliminate the adverse effect caused by long-term hydration heat. This achieve can be used in temperature control of mass concrete structures such as the concrete present in dams.
Reference: Zhu, Z.; et al. (2016). A Study on Relationship Between the Heat Release of Later-age Concrete and the Concrete Strength Development, Open Constr. Build Tech. J., DOI: 10.2174/1874836801610010363
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