bluuebunny/crossref_metadata_2025 huggingface dataset:
Mixed Mullerian Tumour (Carcinosarcoma) - A Rare Cervical Tumour
Authors: Sultana Mst Atia , Shahnewaj Kh , Islam Md Saiful , Khatun Masuma , Rahman Nure Saba , Akter Mousumi
Published: August 2017

We report a 70 years old postmenopausal lady Mrs Johura Begum presented to us with the complaints of watery and foul smelling per vaginal discharge for 4-5 months, occasional per vaginal bleeding for 2-3 months lower abdominal pain for 15 days, fever for 7 days. On general examination she was restless, her temperature was 1020F and lower abdomen was tender. On per vaginal examination there were foul smelling discharge and a large ulcerated and necrossed mass in the vaginal canal that bleeds on touch. She was managed surgically. Now she is on chemotherapy and well.KYAMC Journal Vol. 7, No.-2, Jan 2017, Page 818-820
Outcome of Pushback Stenting and ESWL Versus in Situ ESWL for Upper Ureteric Stone -A Comparative Study
Authors: Rahman Md Mostafizur , Ahmed Maruf , Khan Md Rokonuzzaman , Hossain Md Shamim , Islam Khan Nuzrul , Alam Md Jahangir , Karmaker Uttam , Ferdous Baikaly , Mallik Ashraf Uddin
Published: August 2017

Background: Urolithiasis is one of the most prevalent urological disorders and the prevalence of urinary stones has increased world wide1. The management of urinary calculi was revolutionized by the introduction of extracorporeal shockwave lithotripsy (ESWL) in 1980 and the first successful ESWL treatment was accomplished in Germany by Dr. Christian Chaussy using a Dornier HM1 lithotripter. ESWL is a safe, effective and non-invasive method2.Purpose: To observe the outcome of pushback stenting and ESWL versus in situ ESWL for upper ureteric stone.Materials and methods: It was a quasi-experimental study. The study was under went in the department of urology, Dhaka Medical College and Hospital, between July'2012 to June'2014. Total 60 patients of single upper ureteric stone who satisfy inclusion and exclusion criteria were enrolled in this study. Selected patients were dived into two groups, group A and group B. Group-A for pushback stenting and ESWL and group-B for in situ ESWL. Results were compared in terms of clearance rates, number of shock waves, sessions, incidence of complications and failure rate.Results: Failure of ESWL was significantly higher in Group B (23.33%) than Group A (10%). These results were statistically significant.Conclusion: Pushback stenting and ESWL is better than in situ ESWL for upper ureteric stone.KYAMC Journal Vol. 8, No.-1, Jul 2017, Page 4-9
Effects of Antidepressive Medication on Lung Forced Expiratory Flow Rate in Patients with Major Depressive Disorder
Authors: Afreen Khandaker Nadia , Imtiaz Masud , Rouf Mahadi Abdur , Juaira Tasneema , Akhter Tahmina , Akhter Marufa
Published: August 2017

Background: Major Depressive Disorder (MDD) is associated with depressed lung function.Objectives: To observe FEF25%-75% in newly diagnosed Major Depressive Disorder patients and after three months of antidepressive medication.Methods: This prospective study was carried out in the Department of Physiology, Bangabandhu Sheikh Mujib Medical University (BSMMU) from January to December, 2014 to assess the lung function status in MDD patients. For this, 30 newly diagnosed MDD patients (Group B1), age 20 to 50 years were enrolled from the Department of Psychiatry of BSMMU. FEF25%-75% of all subjects were assessed by a portable digital spirometer (PONY FX, Cosmed, Italy) before and after (Group B2) three months of giving antidepressive medication. For statistical analysis, paired sample't' test was done and p value 0.05 is considered as level of significance.Results: There was no significant change found in patients taking antidepressive medication when compared between before and after three months of medication.Conclusion: From this study it may be concluded that there is no role in antidepressive medication in improvement of depressed lung function in major depressive disorderKYAMC Journal Vol. 8, No.-1, Jul 2017, Page 53-55
Epidural Anaesthesia & Analgesia For Severely Cardiac Compromised Patient With Pregnancy
Authors: Islam Md Rafiqul , Rahman Md Pervez , Yesmin Laila , Khatun Rahena , Ahmed Md Salah Uddin
Published: August 2017

Epidural anaesthesia is a very popular method of anaesthesia and post-operative analgesia for cardiac compromised pregnant patient all over the world. In our case Mrs. Akhi 34 years pregnant women admitted in KYAMCH on 13.03.2017 with 37 weeks pregnancy. She has a long history of Rheumatic fever followed by Rheumatic heart disease, severe MS (mitral stenosis) after that she was operated CMC (Close Mitral Commissurotomy) in 2012. She was admitted with respiratory distress at KYAMCH, with pregnancy on December 2016. After that she was under close supervision of cardiac surgery and Gynae and Obstetrics department. After admission on 13.03.2017 she was evaluated by the department of anaesthesia and graded as ASA (American Society of Anaesthesia) class-4. And selected for routine case of caesarean section on 14.03.2017. Operation was done under epidural anaesthesia and post-operative analgesia was maintained by epidural catheter.KYAMC Journal Vol. 8, No.-1, Jul 2017, Page 69-71
Causes of Vascularised Corneal Opacity Those Were Treated by Corneal Grafting
Authors: Bhuiya Md Shariful Islam
Published: August 2017

One of the leading causes of blindness is corneal disorder. By keratoplasty we can restore vision of those patients to some extent and many surgeons are performing keratoplasty on vascularised cornea. Present study was done to evaluate its outcome. Patients (5-70 yrs) were recruited from eye ward of Dhaka Medical College Hospital from January, 2007 to December, 2007. Patients were selected on some criteria. Total 33 cases were evaluated before and after operation. This study was carried out to know pattern of blindness and to obtain the causes of corneal vascularisation and results of keratoplasty on these patients. Among 2 types of grafting all our patients were undergone penetrating keratoplasty. Male predominance (57.50) was marked as male are more prone to corneal diseases and trauma. Considering age group nobody is immune from corneal disease but children and young persons are more vulnerable. Socio-economic status of our maximum patients are middle-class or poor class. We got a rough idea about the causes leading to vascularisation of cornea. Amongst them; trauma, corneal ulcer, chemical injury and under nutrition are noted in our study. Out of 33 healthy grafts, visual improvement occurred in 24 cases. Visual results of grafting on vascularised corneas are variable. Our study concludes that trauma and corneal ulcer are the leading causes of corneal opacity which need penetrating keratoplasty. Whatever the cause of corneal vascularisation, prognosis of keratoplasty on such cases is not disappointing. Rather keratoplasty done on early notified corneal opacity with superficial vascularisation gives satisfactory results.Medicine Today 2017 Vol.29(1): 23-25
Congenital Anomalies among the Babies of Diabetic Mothers with Uncontrolled Blood Sugar -A Study in a Tertiary Hospital
Authors: Taslima Kazi
Published: August 2017

Diabetes mellitus is a silent killer which affects at any stage of life. Worldwide incidence of major malformation among the offspring of diabetic mothers ranges from 5-10%. Though 65-75% of birth defects are multifactorial, poor diabetic control in pregnancy predisposes congenital malformation. The aim of this retrospective study is to see the actual picture of congenital anomalies among the babies of uncontrolled diabetic mothers. Cases are taken from the hospital records of the patients who delivered congenitally abnormal babies & were admitted in SCABU of BIRDEM during the period of January, 2006 to December, 2010. After going through all records, patients were divided into DM/GDM/ND groups and different variables are studied. Among the patients (163), 57 (35%) were DM, 38 were (23.3%) GDM and 68 (41.7%) were ND. Major congenital anomalies were found 82.45% in DM and 71.05% in GDM and 83.82% in ND patients. Rests were minor anomalies. Among the anomalies maximum were congenital heart diseases, then CNS anomalies, then renalanomalies and then others. In this study congenital anomalies were found 1.4 times more in DM patients. Among DM and GDM patients maximum had uncontrolled blood sugar. Neonatal mortality was higher in DM and GDM groups. Both cardiac and CNS abnormalities were 1.2 times higher in diabetic groups. Renal anomalies were 2.8 times higher. Limb abnormalities were 7.15 times higher in diabetic groups. So it is concluded that pregnancy with uncontrolled diabetes increases the risk of birth defects, mainly CVS, CNS and Renal system related.Medicine Today 2017 Vol.29(1): 26-31
Fahr's Syndrom e: A rare case- Presented as Acute Ischaemic Stroke
Authors: Sarkar Devendra Nath , Sarkar Devavrata , Zahin AKM , Ohab MA , Miah Md Shahin , Haque Md Mahmudul
Published: August 2017

Fahr's syndrome refers to a rare syndrome characterized by symmetrical and bilateral intracranial calcification. We present a 65-year-old female with Fahr disease, presenting with headache with acute ischaemic stroke with left sided hemiplegia. CT scan of brain reveals irregular variable size hyperdense areas are noted in both basal ganglia regions and in both cerebellar hemisphere.Medicine Today 2017 Vol.29(1): 45-46
Isolated Fetal Ascites
Authors: Tasmin Khandaker Shehneela , Begum Firoza , Sarwar Mirza Golam , Nasreen Shammi
Published: August 2017

When foetal ascites is found alone (i.e., without other signs of hydrops), it may represent a separate problem requiring a different management strategy, leading to a different outcome. A 24-year-old primigravida was referred to our institution at 27 weeks of gestation with a diagnosis of isolated foetal ascites. No other pathology was detected on ultrasonography or a laboratory examination. The patient delivered a male infant weighing 3020 g at 38 weeks of gestation with Apgar scores of 7 and 9 at 1 and 5 minutes, respectively. The newborn was operated on by a paediatric surgery team with an indication of intrauterine extra-hepatic bile duct perforation in the first post-partum week, and was subsequently discharged from the hospital without any complications. Isolated foetal ascites is a rare and separate situation from foetal hydrops. The perinatal outcome for isolated ascites is much better than that for hydrops foetalis.Medicine Today 2017 Vol.29(1): 47-49
Keldysh photoionization theory: through the barriers
Authors: Zheltikov A M
Published: August 2017

The Keldysh photoionization theory is a conceptual cornerstone and a universal framework for the description of a broad class of fundamental effects in light–matter interaction. Here, we provide an overview of the Keldysh theory as a significant milestone in the development of modern optical physics and offer a historical perspective on the fundamental role of this theory, from the early pioneering work on quantum tunneling to the latest breakthroughs in laser optics, attosecond technologies, and ultrafast optics of high-intensity laser pulses.
Characterization of a Novel Nicotine Hydroxylase from Pseudomonas sp. ZZ-5 That Catalyzes the Conversion of 6-Hydroxy-3-Succinoylpyridine into 2,5-Dihydroxypyridine
Authors: Wei Tao , Zang Jie , Zheng Yadong , Tang Hongzhi , Huang Sheng , Mao Duobin
Published: August 2017

A novel nicotine hydroxylase was isolated from Pseudomonas sp. ZZ-5 (HSPHZZ). The sequence encoding the enzyme was 1206 nucleotides long, and encoded a protein of 401 amino acids. Recombinant HSPHZZ was functionally overexpressed in Escherichia coli BL21-Codon Plus (DE3)-RIL cells and purified to homogeneity after Ni-NTA affinity chromatography. Liquid chromatography-mass spectrometry (LC-MS) analyses indicated that the enzyme could efficiently catalyze the conversion of 6-hydroxy-3-succinoylpyridine (HSP) into 2,5-dihydroxypyridine (2,5-DHP) and succinic acid in the presence of nicotinamide adenine dinucleotide (NADH) and flavin adenine dinucleotide (FAD). The kinetic constants (Km, kcat, and kcat/Km) of HSPHZZ toward HSP were 0.18 mM, 2.1 s−1, and 11.7 s−1 mM−1, respectively. The optimum temperature, pH, and optimum concentrations of substrate and enzyme for 2,5-DHP production were 30 °C, 8.5, 1.0 mM, and 1.0 μM, respectively. Under optimum conditions, 85.3 mg/L 2,5-DHP was produced in 40 min with a conversion of 74.9%. These results demonstrated that HSPHZZ could be used for the enzymatic production of 2,5-DHP in biotechnology applications.
Experimental Research of an Active Solution for Modeling In Situ Activating Selective Catalytic Reduction Catalyst
Authors: Ye Tuo , Chen Donglin , Yin Yanshan , Liu Jing , Zeng Xi
Published: August 2017

The effect of active solutions suitable for the in situ activation of selective catalytic reduction (SCR) catalysts was experimentally investigated using a designed in situ activation modeling device. To gain further insight, scanning electron microscopy (SEM), specific surface area analysis (BET), Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), and energy dispersive spectroscopy (EDS) analyses were used to investigate the effects of different reaction conditions on the characteristics of the deactivated catalysts. The activation effect of loading V2O5, WO3 and MoO3 on the surface of the deactivated catalysts was analyzed and the correlation to the denitrification activity was determined. The results demonstrate that the prepared activating solution of 1 wt % vanadium (V), 9 wt % tungsten (W), and 6 wt % molybdenum (Mo) has a beneficial effect on the deactivation of the catalyst. The activated catalyst resulted in a higher NO removal rate when compared to the deactivated catalyst. Furthermore, the NO removal rate of the activated catalyst reached a maximum of 32%. The activity of the SCR catalyst is closely linked to the concentration of the active ingredients. When added in optimum amounts, the active ingredients helped to restore the catalytic activity. In particular, the addition of active ingredients, the availability of labile surface oxygen, and the presence of small pores improved the denitrification efficiency. Based on these results, active solutions can effectively solve the problem of denitrification catalyst deactivation. These findings are a reference for the in-situ activation of the selective catalytic reduction of nitrogen oxides (SCR-DeNOx) catalyst.
The KCOD Model on (3,4,6,4) and (34,6) Archimedean Lattices
Authors: De Sousa Lima Francisco
Published: August 2017

Through Monte Carlo simulations, we studied the critical properties of kinetic models of continuous opinion dynamics on ( 3 , 4 , 6 , 4 ) and ( 3 4 , 6 ) Archimedean lattices. We obtain p c and the critical exponents’ ratio from extensive Monte Carlo studies and finite size scaling. The calculated values of the critical points and Binder cumulant are p c = 0 . 085 ( 6 ) and O 4 * = 0 . 605 ( 9 ) ; and p c = 0 . 146 ( 5 ) and O 4 * = 0 . 606 ( 3 ) for ( 3 , 4 , 6 , 4 ) and ( 3 4 , 6 ) lattices, respectively, while the exponent ratios β / ν , γ / ν and 1 / ν are, respectively: 0 . 126 ( 1 ) , 1 . 50 ( 7 ) , and 0 . 90 ( 5 ) for ( 3 , 4 , 6 , 4 ); and 0 . 125 ( 3 ) , 1 . 54 ( 6 ) , and 0 . 99 ( 3 ) for ( 3 4 , 6 ) lattices. Our new results agree with majority-vote model on previously studied regular lattices and disagree with the Ising model on square-lattice.
The Role of Epigenetics on Dental Implant Therapy: A Systematic Review
Authors: Di Gianfilippo Riccardo , Di Gianfilippo Carmine , Prato Giovan Paolo Pini
Published: August 2017

Abstract: Cell phenotype is influenced by the linear sequence of bases and by epigenetic changes. Despite the huge number of implants placed every year, epigenetic mechanisms controlling peri-implant processes remain unexplored. The purpose of this systematic qualitative review was to investigate the available articles dealing with the relationships between DNA methylations, histone modifications, or micro-RNA (miRNA) production and implant therapy. A large variety of different surfaces were evaluated based on their osteogenic stimulation of osteoblasts. Dental implant treatments like potassium hydroxide (KOH) alkali-etching, electrolytic etching, ionization, functionalization with miRNAs or anti-miRNAs, or osteogenic peptides enhanced osteoblast differentiation and gene activation by regulating miRNA production. Zirconia and anatase coating inhibited the activation of osteogenic genes. Epigenetic changes on peri-implant cells induced by smoking still remain unclear. Due to the heterogeneity of methodologies, a meta-analysis was not possible. Even if it is impossible to define which implant surface was best to genetically stimulate osteogenesis, there is evidence that implant surface features can upregulate or downregulate genes related to osseointegration.
Differential Responses in Non-structural Carbohydrates of Machilus ichangensis Rehd. et Wils. and Taxus wallichiana Zucc. Var. chinensis (Pilg.) Florin Seedlings to Elevated Ozone
Authors: Cao Jixin , Chen Zhan , Yu Hao , Shang He
Published: August 2017

Tropospheric ozone (O3) enrichment could change the carbon (C) metabolism and decrease the C stock for tree species. To assess the differences in response of non-structural carbohydrates (NSCs) between Machilus ichangensis Rehd. et Wils. (M. ichangensis) and Taxus wallichiana Zucc. var. chinensis (Pilg.) Florin (T. wallichiana) with elevated O3, one-year-old container seedlings of the two species were grown with ambient air (AA), 100 ppb (elevated O3 treatment 1, E1-O3), and 150 ppb (elevated O3 treatment 2, E2-O3) treatments using open top chambers. During the experiment, net photosynthetic rate (Pn) of M. ichangensis and T. wallichiana were examined once each month from April to October. At the end of experiment, plants were harvested to examine the NSC concentrations and tissue C stocks. Results suggest elevated O3 significantly decreased Pn and total C stock for both M. ichangensis and T. wallichiana, while it also significantly decreased the NSC concentrations in the foliage of the two species, and the roots of T. wallichiana. However, the concentrations of NSCs and their components in other tissues did not change obviously. Significant increases in the ratio of soluble sugars to starch were observed in the foliage of M. ichangensis and the roots of T. wallichiana. For M. ichangensis, Pn was significantly and positively correlated with NSCs and their components only in foliage. In contrast, NSCs in both foliage and roots were significantly and positively correlated with Pn for T. wallichiana. Based on the results for Pn, total C stock, and NSC concentrations, M. ichangensis appeared more sensitive to elevated O3 than T. wallichiana. It is suggested that the strategies of C allocation in the two species are different with elevated O3.
X Chromosome Evolution in Cetartiodactyla
Authors: Proskuryakova Anastasia , Kulemzina Anastasia , Perelman Polina , Makunin Alexey , Larkin Denis , Farré Marta , Kukekova Anna , Lynn Johnson Jennifer , Lemskaya Natalya , Beklemisheva Violetta , Roelke-Parker Melody , Bellizzi June , Ryder Oliver , O’Brien Stephen , Graphodatsky Alexander
Published: August 2017

The phenomenon of a remarkable conservation of the X chromosome in eutherian mammals has been first described by Susumu Ohno in 1964. A notable exception is the cetartiodactyl X chromosome, which varies widely in morphology and G-banding pattern between species. It is hypothesized that this sex chromosome has undergone multiple rearrangements that changed the centromere position and the order of syntenic segments over the last 80 million years of Cetartiodactyla speciation. To investigate its evolution we have selected 26 evolutionarily conserved bacterial artificial chromosome (BAC) clones from the cattle CHORI-240 library evenly distributed along the cattle X chromosome. High-resolution BAC maps of the X chromosome on a representative range of cetartiodactyl species from different branches: pig (Suidae), alpaca (Camelidae), gray whale (Cetacea), hippopotamus (Hippopotamidae), Java mouse-deer (Tragulidae), pronghorn (Antilocapridae), Siberian musk deer (Moschidae), and giraffe (Giraffidae) were obtained by fluorescent in situ hybridization. To trace the X chromosome evolution during fast radiation in specious families, we performed mapping in several cervids (moose, Siberian roe deer, fallow deer, and Pere David’s deer) and bovid (muskox, goat, sheep, sable antelope, and cattle) species. We have identified three major conserved synteny blocks and rearrangements in different cetartiodactyl lineages and found that the recently described phenomenon of the evolutionary new centromere emergence has taken place in the X chromosome evolution of Cetartiodactyla at least five times. We propose the structure of the putative ancestral cetartiodactyl X chromosome by reconstructing the order of syntenic segments and centromere position for key groups.
Heat Health Messages: A Randomized Controlled Trial of a Preventative Messages Tool in the Older Population of South Australia
Authors: Nitschke Monika , Krackowizer Antoinette , Hansen Alana , Bi Peng , Tucker Graeme
Published: August 2017

This study explores the efficacy of providing targeted information to older individuals to prevent adverse health outcomes during extreme heat. Participants ≥65 years of age (n = 637) were recruited from previous population-based studies and randomized into intervention and control groups. The intervention group received evidence-based information leaflets and summarised “Beat the Heat” tips. Post summer 2013–2014, participants responded to questions about their behaviours and their health experiences. Chi square analysis and risk ratios (RR) were used to determine the difference in effects. Responses were received from 216 intervention subjects and 218 controls. Behaviour modification during extreme heat was similar in both groups except for significant increases in the use of cooling systems and the use of a wet cloth to cool the skin in the intervention group. Both actions were recommended in the information package. More people in the intervention group also claimed to have had adequate heat health information. After adjusting for confounders, the RR for self-reported heat stress experienced during summer 2014 indicated a 63% (RR 0.37; 95% CI: 0.22–0.63) reduction in the intervention group compared to the control group. Access to intensive prevention information may have contributed to this positive outcome, indicating the potential usefulness of targeted heat-health information for seniors.
Membrane-Accelerated Amyloid-β Aggregation and Formation of Cross-β Sheets
Authors: Khondker Adree , Alsop Richard , Rheinstädter Maikel
Published: August 2017

Amyloid- β aggregates play a causative role in Alzheimer’s disease. These aggregates are a product of the physical environment provided by the basic neuronal membrane, composed of a lipid bilayer. The intrinsic properties of the lipid bilayer allow amyloid- β peptides to nucleate and form well-ordered cross- β sheets within the membrane. Here, we correlate the aggregation of the hydrophobic fragment of the amyloid- β protein, A β 25 - 35 , with the hydrophobicity, fluidity, and charge density of a lipid bilayer. We summarize recent biophysical studies of model membranes and relate these to the process of aggregation in physiological systems.
Reduction of Induced Central Damage in Cold Extrusion of Dual-Phase Steel DP800 Using Double-Pass Dies
Authors: Amigo Francisco , Camacho Ana
Published: August 2017

Advanced High Strength Steels (AHSS) are a promising family of materials for applications where a high strength-to-weight ratio is required. Central burst is a typical defect commonly found in parts formed by extrusion and it can be a serious problem for the in-service performance of the extrudate. The finite element method is a very useful tool to predict this type of internal defect. In this work, the software DEFORM-F2 has been used to choose the best configurations of multiple-pass dies, proposed as an alternative to single-pass extrusions in order to minimize the central damage that can lead to central burst in extruded parts of AHSS, particularly, the dual-phase steel DP800. It has been demonstrated that some geometrical configurations in double-pass dies lead to a minimum value of the central damage, much lower than the one obtained in single-pass extrusion. As a general rule, the position of the minimum damage leads to choosing higher values of the contacting length between partial reductions (L) for high die semiangles (α) and to lower values of the reduction in the first pass (RA) for low total reductions (RT). This methodology could be extended to find the best configurations for other outstanding materials.
Characterization of Corrosion Products on Weathering Steel Bridges Influenced by Chloride Deposition
Authors: Krivy Vit , Kubzova Monika , Kreislova Katerina , Urban Viktor
Published: August 2017

The article presents the results of experimental testing of corrosion processes on weathering steel bridges. Two bridge structures spanning various obstacles were selected for the experimental measurement. The tested bridges are situated in the same location and structural solution of these bridges is similar. Differences in development of corrosion products are mainly affected by the microclimate below the bridge structure. Special attention is paid to a bridge over the motorway which is strongly affected by the deposition of chlorides. The dependences between the measured deposition of chlorides and parameters of corrosion layers (thickness of corrosion products, corrosion rates, and chemical composition) are discussed and evaluated in this article.
Mini Review: Nanosheet Technology towards Biomedical Application
Authors: Zhang Sheng , Sunami Yuta , Hashimoto Hiromu
Published: August 2017

The fabrication technique of ultrathin film (commonly known as nanosheets) has been significantly developed over the years. Due to the mechanical properties of nanosheets, such as high levels of adhesion and flexibility, this made nanosheets the ideal candidate in biomedical applications. In this review, innovative biomedical applications of nanosheets are discussed, which include, drug delivery, wound treatment, and functional nanosheets towards flexible biodevices, etc. Finally, the future outlook of nanosheet technology towards a biomedical application is discussed.
The Orthogonality between Complex Fuzzy Sets and Its Application to Signal Detection
Authors: Hu Bo , Bi Lvqing , Dai Songsong
Published: August 2017

A complex fuzzy set is a set whose membership values are vectors in the unit circle in the complex plane. This paper establishes the orthogonality relation of complex fuzzy sets. Two complex fuzzy sets are said to be orthogonal if their membership vectors are perpendicular. We present the basic properties of orthogonality of complex fuzzy sets and various results on orthogonality with respect to complex fuzzy complement, complex fuzzy union, complex fuzzy intersection, and complex fuzzy inference methods. Finally, an example application of signal detection demonstrates the utility of the orthogonality of complex fuzzy sets.
Design of Indicators of Circular Economy as Instruments for the Evaluation of Sustainability and Efficiency in Wastewater from Pig Farming Industry
Authors: Molina-Moreno Valentín , Leyva-Díaz Juan , Llorens-Montes Francisco , Cortés-García Francisco
Published: August 2017

Circular economy intends to turn waste into resources that can be reintroduced into the production process, eliminating the negative externalities from it. The impact of pig manure on the environment is one of the main challenges in agriculture. The high amount of pig manure coming from the pig farming industry complicates the management of this type of effluents, leading to a serious impact on the environment, as it pollutes the soil, the water, and the air. The concept of the indicator of circular economy was introduced to evaluate the degree of approximation of the pig manure treatment process to the circular economy model. In light of this, these indicators showed the possibility of obtaining 0.97 m3 water h−1, 49.40 kg biofertilizer h−1, and 5.33 m3 biogas h−1 per 1 m3 pig manure h−1 treated, allowing us to assess the minimization of waste generation and the efficiency of the use of resources. By applying an anaerobic digestion process to treat pig manure, reductions of water and natural gas consumptions were 47.01% and 5.33%, respectively, which leads to a reduction in emissions of 171.98 kg CO2 h−1. Consequently, pig manure can be considered as a technological nutrient that is reintroduced into the productive system, enabling the recovery of energy, water, and biofertilizer contained therein.
Does aerobic exercise reduce postpartum depressive symptoms? a systematic review and meta-analysis
Authors: Pritchett Ruth Victoria , Daley Amanda J , Jolly Kate
Published: August 2017

Background

There is currently no specific guidance on the role of exercise in managing postpartum depression in the UK and US, and international guidance is inconsistent.

Aim

To assess the effectiveness of aerobic exercise on postpartum depressive symptoms.

Design and setting

Systematic review and meta-analysis. There was no restriction to study site or setting.

Method

The databases MEDLINE, EMBASE, Cochrane Library, PsycINFO, SportDiscus, ClinicalTrials.gov, and the World Health Organization International Clinical Trials Registry Platform were searched. Titles and abstracts, then full-text articles, were screened against inclusion criteria: RCTs measuring depressive symptoms in mothers ≤1 year postpartum; and interventions designed to increase aerobic exercise compared with usual care or other comparators. Included studies were assessed using the Cochrane Collaboration’s risk of bias tool. Meta-analysis was conducted. Pre-planned subgroup analyses explored heterogeneity.

Results

Thirteen RCTs were included, with 1734 eligible participants. Exercise significantly reduced depressive symptoms when all trials were combined (standardised mean difference −0.44; 95% confidence interval = −0.75 to −0.12). Exploration of heterogeneity did not find significant differences in effect size between women with possible depression and in general postpartum populations; exercise only and exercise with co-interventions; and group exercise and exercise counselling.

Conclusion

This systematic review provides support for the effectiveness of exercise in reducing postpartum depressive symptoms. Group exercise, participant-chosen exercise, and exercise with co-interventions all may be effective interventions. These results should be interpreted with caution because of substantial heterogeneity and risk of bias.
How Internal Branding Process Really Pays Off Through Brand Trust
Authors: Erkmen Ezgi , Hancer Murat , Leong Jerrold K.
Published: August 2017

Internal branding is gaining importance for services to manage brand-related attitudes and behaviors of service employees. Although service branding literature points out employees' brand commitment as the key for internal branding activities to influence their brand supporting behaviors,
previous studies neglect the role of brand trust to explain both commitment and brand-related behaviors of employees. Therefore, the present study mainly aims to investigate the effect of brand trust for the relationship between internal branding and brand citizenship behaviors of employees.
Data were collected from airline customer contact employees and structural equation modeling was used to test the proposed relations. The results suggest that brand trust has a significant effect on brand citizenship behaviors as well as mediates the effect of internal branding activities
on brand commitment of airline employees. Managerial implications are provided for internal branding in services and further research topics are suggested.
Customer Satisfaction in Portuguese Hotels: Evidence for Different Regions and Hotel Segments
Authors: Pacheco Luís
Published: August 2017

Electronic word of mouth (eWOM) has gained importance with the emergence of new online tools, and the hospitality sector is at the core of this trend. We employ a secondary data set of hotel guest reviews from a popular online travel platform, with reviews for hotels located in the
four main Portuguese tourism regions. We analyze the reviews in terms of overall satisfaction and for six specific attributes. Employing statistical tests and regression analysis we find that the "rooms," "service," and "cost–benefit" attributes show a greater correlation with overall
satisfaction than other criteria, and those attributes are common across hotel segments and regions. The "location" and "cleanliness" attributes only appear as significant for some regions and hotel segments. For instance, the significance of "cleanliness" in lower segment hotels should merit
the attention of hotel managers to allocate more resources to this. In relation to "rooms," personal preferences and expectations may make it difficult to optimally upgrade rooms in order to satisfy a diverse clientele, whereas in regard to "service," hotel managers across all hotel segments
should prioritize staff training and service quality assessment tools in order to guarantee consistent levels of service.
Sustainability and Resilience in Caribbean Tourism Economies: A Critical Inquiry
Authors: Peterson Ryan R. , Harrill Rich , Dipietro Robin B.
Published: August 2017

Despite the growth of tourism in the Caribbean, sustainable tourism studies of island societies remain fragmented and inconsistent. In this article, we provide a critical inquiry into sustainability and resilience in small island tourism economies in the Caribbean from an emic perspective, contending that current models are incompatible with understanding sustainable tourism in small island economies, let alone guiding scholars and policymakers in pursuit of strengthening resilience. We question the scientific status quo emphasizing linear modeling and steady state economics and call for a critical reconsideration of adaptation and resilience within small island economies.
The Economic Contribution of Tourism in Iran: An Input–output Approach
Authors: Khoshkhoo M. H. Imani , Alizadeh Valiollah , Pratt Stephen
Published: August 2017

Historically, Iran has been heavily dependent on crude oil revenues. However, Iran is richly endowed with many natural and cultural attractions. Possibly due to the image of being an unsafe destination, international tourism has not been developed as quickly as in other parts of the
world. However, the tourism industry can play an important role in the economic growth of many countries. The economic tourism potential for Iran has been an underresearched area. An input–output model has been used to calculate income multipliers and employment multipliers to assess
the economic contribution of tourism activities. Compared to other sectors in the economy, we find there is economic potential for tourism. The tourism industry can play an important role to stimulate economic growth and employment.
The Transiting Multi-planet System HD 3167: A 5.7 M⊕ Super-Earth and an 8.3 M⊕ Mini-Neptune
Authors: Gandolfi Davide , Barragán Oscar , Hatzes Artie P. , Fridlund Malcolm , Fossati Luca , Donati Paolo , Johnson Marshall C. , Nowak Grzegorz , Prieto-Arranz Jorge , Albrecht Simon , Dai Fei , Deeg Hans , Endl Michael , Grziwa Sascha , Hjorth Maria , Korth Judith , Nespral David , Saario Joonas , Smith Alexis M. S. , Antoniciello Giuliano , Alarcon Javier , Bedell Megan , Blay Pere , Brems Stefan S. , Cabrera Juan , Csizmadia Szilard , Cusano Felice , Cochran William D. , Eigmüller Philipp , Erikson Anders , González Hernández Jonay I. , Guenther Eike W. , Hirano Teruyuki , Suárez Mascareño Alejandro , Narita Norio , Palle Enric , Parviainen Hannu , Pätzold Martin , Persson Carina M. , Rauer Heike , Saviane Ivo , Schmidtobreick Linda , Van Eylen Vincent , Winn Joshua N. , Zakhozhay Olga V.
Published: August 2017

HD 3167 is a bright (V = 8.9 mag) K0 V star observed by NASA’s K2 space mission during its Campaign 8. It has recently been found to host two small transiting planets, namely, HD 3167b, an ultra-short-period (0.96 days) super-Earth, and HD 3167c, a mini-Neptune on a relatively long-period orbit (29.85 days). Here we present an intensive radial velocity (RV) follow-up of HD 3167 performed with the FIES@NOT, HARPS@ESO-3.6 m, and HARPS-N@TNG spectrographs. We revise the system parameters and determine radii, masses, and densities of the two transiting planets by combining the K2 photometry with our spectroscopic data. With a mass of 5.69 ± 0.44 M
⊕, a radius of 1.574 ± 0.054 R
⊕, and a mean density of

, HD 3167b joins the small group of ultra-short-period planets known to have rocky terrestrial compositions. HD 3167c has a mass of

M
⊕ and a radius of

R
⊕, yielding a mean density of

, indicative of a planet with a composition comprising a solid core surrounded by a thick atmospheric envelope. The rather large pressure scale height (∼350 km) and the brightness of the host star make HD 3167c an ideal target for atmospheric characterization via transmission spectroscopy across a broad range of wavelengths. We found evidence of additional signals in the RV measurements but the currently available data set does not allow us to draw any firm conclusions on the origin of the observed variation.
Long-term Optical Polarization Variability and Multiwavelength Analysis of Blazar Mrk 421
Authors: Fraija N. , Benítez E. , Hiriart D. , Sorcia M. , López J. M. , Mújica R. , Cabrera J. I. , Diego J. A. de , Rojas-Luis M. , Salazar-Vázquez F. A. , Galván-Gámez A.
Published: August 2017

The results of 8 yr R-band photopolarimetric data of blazar Mrk 421 collected from 2008 February to 2016 May are presented, along with extensive multiwavelength observations covering radio to TeV γ-rays around the flares observed in 2008 May, 2010 March, and 2013 April. The most important results are found in 2013, when the source displayed in the R band a very high brightness state of 11.29 ± 0.03 mag (93.60 ± 1.53 mJy) on April 10 and a polarization degree of 11.00% ± 0.44% on May 13. The analysis of the optical data shows that the polarization variability is due to the superposition of two polarized components that might be produced in two distinct emitting regions. An intranight photopolarimetric variability study carried out over seven nights after the 2013 April maximum found flux and polarization variations on the nights of April 14, 15, 16, and 19. In addition, the flux shows a minimum variability timescale of Δt = 2.34 ± 0.12 hr, and the polarization degree presents variations of ∼1%–2% on a timescale of Δ t ∼ minutes. Also, a detailed analysis of the intranight data shows a coherence length of the large-scale magnetic field of

pc, which is the same order of magnitude as the distance traveled by the relativistic shocks. This result suggests that there is a connection between the intranight polarimetric variations and spatial changes of the magnetic field. Analysis of the complete R-band data along with the historical optical light curve found for this object shows that Mrk 421 varies with a period of 16.26 ± 1.78 yr.
Measuring Filament Orientation: A New Quantitative, Local Approach
Authors: Green C.-E. , Dawson J. R. , Cunningham M. R. , Jones P. A. , Novak G. , Fissel L. M.
Published: August 2017

The relative orientation between filamentary structures in molecular clouds and the ambient magnetic field provides insight into filament formation and stability. To calculate the relative orientation, a measurement of filament orientation is first required. We propose a new method to calculate the orientation of the one-pixel-wide filament skeleton that is output by filament identification algorithms such as filfinder. We derive the local filament orientation from the direction of the intensity gradient in the skeleton image using the Sobel filter and a few simple post-processing steps. We call this the “Sobel-gradient method.” The resulting filament orientation map can be compared quantitatively on a local scale with the magnetic field orientation map to then find the relative orientation of the filament with respect to the magnetic field at each point along the filament. It can also be used for constructing radial profiles for filament width fitting. The proposed method facilitates automation in analyses of filament skeletons, which is imperative in this era of “big data.”
Présentation du dossier
Authors: Panait Oana Marina , Teodoro António
Published: August 2017

Depuis les années 1990, l’échelon national a cessé d’être celui qui rend intelligibles les politiques d’enseignement. Le processus de standardisation des références des politiques publiques demande de prendre en compte l’international et l’infranational et d’analyser les manières dont des acteurs établissent des connexions stratégiques entre ces échelons. La mise en place du nouvel ordre mondial puisant ses repères en Occident, ce dossier fait le point sur la dynamique de recherche sur les résistances qui naissent au Nord et au Sud face aux normes issues de la globalisation. Il cherche à approfondir les pistes antérieures en tentant de penser ensemble les concepts de pouvoir, de résistance et de critique dans le domaine de l’éducation et de la socialisation. Comment analyser la façon dont les grandes prescriptions internationales se font partiellement contrer sur le terrain par les oppositions sourdes d’acteurs ? Les articles ne partent pas d’une conceptualisation unifiée de la résistance. Diverses approches reflètent l’état de la conjoncture, chacune proposant des pistes de recomposition conceptuelle à partir d’un matériau empirique original, mais toutes se rattachent à une vision du pouvoir, fondée sur une conception du social en réseau. Un des faits marquants de ces dernières années est que, dans des sociétés qui se croyaient sécularisées, davantage d’acteurs résistent en mettant hors de toute négociation certaines de leurs pratiques éducatives liées à leur religion et entrent en conflit avec les traditions démocratiques. La reconceptualisation de la résistance fait partie des tâches urgentes auxquelles s’atteler.
La résistance des mères célibataires au Vietnam ou l’échec d’un modèle d’éducation à la maternité
Authors: Murru Sarah
Published: August 2017

Voulant moderniser l’économie et soutenir la concurrence sur le marché international, l’État vietnamien a lancé une campagne de planification familiale fondée sur un modèle de maternité appuyé sur la tradition où les mères sont responsables de la gestion de la famille, du bien-être, de la prospérité de ses membres et de l’éducation des enfants. Ce schéma suscite une résistance quotidienne en particulier des mères célibataires. Deux études de terrain menées en 2014 et en 2015, inspirées des approches de la recherche féministe à vocation émancipatrice et libératrice pour les sujets, ont permis de saisir la position subalterne des mères célibataires et leurs réponses à différentes formes de domination. Malgré tous les efforts de l’État pour façonner et éduquer ses citoyens à un modèle familial, un nombre croissant de mères célibataires interroge et déconstruit la norme. Ces premiers résultats de recherche incitent à sortir d’une analyse attachée à un espace social, à une forme singulière de résistance ou limitée à une relation trop dichotomique entre un type de résistance et une relation de pouvoir pour saisir des expériences diffuses dans différentes facettes de la vie quotidienne : sphère privée, publique ou communications translocales.
L’envers de la résistance en éducation : émancipation, conservatisme et paradoxes
Authors: LeVasseur Louis , Robichaud Arianne
Published: August 2017

La démocratisation s’est traduite par l’accès à l’éducation d’élèves ayant un rapport d’extériorité face à la norme scolaire, tels les élèves handicapés avec difficultés d’adaptation ou d’apprentissage (EHDAA) pris en charge au Québec par des agents techniques et professionnels. Leur offrir un soutien ne signifie pas qu’ils adoptent des comportements et valeurs jugés conformes aux normes institutionnelles. Certains refusent l’aide proposée et cherchent à se définir par opposition aux services institutionnels dont ils sont l’objet, sans pour autant s’émanciper ni accéder à la liberté. Face à ces résistances, des milieux d’enseignement cherchent à gagner leur adhésion, à les intégrer en transformant la forme scolaire autant sur le plan de la rationalité théorique que pratique. L’article avance que les innovations les plus émancipatrices peuvent s’avérer les plus conservatrices, que la critique peut se mordre la queue alors que l’ensemble des enseignants québécois affirme former les élèves à la critique et refuser tout enseignement susceptible d’engendrer des comportements conformistes. Le but de l’article est de soulever ce paradoxe et de fournir des outils théoriques permettant d’en voir les tenants et aboutissants.
Importunité scolaire, orchestration de l’accessibilité et inégalités
Authors: Ebersold Serge , Armagnague-Roucher Maïtena
Published: August 2017

Le but est ici d’appréhender les conditions de scolarisation des élèves ayant un Brevet d’études professionnelles à l’aune des référentiels normatifs liés à l’accessibilité. L’ancrage organisationnel et fonctionnel de la diversité scolaire produit l’univers symbolique nécessaire à la création des modalités de mise en œuvre des principes revendiqués par les politiques inclusives. Il participe à la transformation de distinctions légales –établies selon des critères d’éligibilité et de besoins de compensation– en discriminations scolairement pertinentes. Cet ancrage conditionne les grilles de lecture du risque que présentent les élèves dérogeant aux normes scolaires et sociales affichées dans les projets des établissements. Il détermine les hiérarchisations conduisant à privilégier un type de dispositif pour tel élève et les passerelles susceptibles de le conduire d’une modalité de personnalisation à une autre au fil de sa scolarité. L’article invite à interroger l’effet invalidant des pratiques par-delà une inéducabilité présupposée des intéressés et à lire la notion de handicap comme une catégorie d’action publique résultant des dynamiques de catégorisation mobilisées par une institution pour légitimer la représentation qu’elle se fait d’elle-même. La notion de handicap s’en trouve généralisée à l’ensemble des populations scolairement importunes, c’est-à-dire dérogeant culturellement aux normes dont se sont dotés les établissements.
Le projet professionnel des étudiants : outil de professionnalisation ou injonction ?
Authors: Delès Romain
Published: August 2017

La part des étudiants déclarant avoir un projet professionnel est nettement plus élevée dans les spécialités littéraires de l’université (62%) que dans les filières courtes professionnalisantes (45%). Comment l’expliquer ? Il semble que le projet professionnel ne soit pas utile partout : quand le travail de professionnalisation est pris en charge par la formation d’accueil, il n’est pas nécessaire pour l’étudiant de formuler un plan d’avenir. Le projet est un outil associé à un régime particulier de relation formation emploi, ce qui explique la plus forte propension des jeunes issus des formations universitaires à déclarer y avoir recours. Le projet professionnel se présente comme l’équivalent fonctionnel dans les formations généralistes de l’adéquation de fait dans les formations professionnalisantes. La forte déclaration de projet professionnel chez les étudiants littéraires est liée à l’injonction au placement à laquelle ils sont, plus que les autres, soumis. Cette dernière peut alors entrer en contradiction avec leurs aspirations à différer leur choix, d’où l’existence de stratégies étudiantes pour contourner, pour négocier, pour aménager l’injonction au projet professionnel. Il ne s’agit donc pas d’une véritable indifférence envers l’avenir professionnel, mais au contraire d’un comportement défini par rapport à l’enjeu d’insertion professionnelle.