bluuebunny/crossref_metadata_2025 huggingface dataset:
Histoplasmosis diseminada progresiva en una cohorte de pacientes coinfectados con el VIH
Authors: Tobón Ángela M. , Medina Alejandra , Orozco Luisa , Restrepo Carlos , De Bedout Catalina , Restrepo Ángela
Published: August 2019

Objetivo: identificar manifestaciones clínicas y métodos de laboratorio conducentes al diagnóstico de histoplasmosis diseminada progresiva (HDP), en una cohorte de pacientes coinfectados con el VIH.

Diseño: análisis retrospectivo de historias clínicas. No intervención adicional.

Pacientes: cuarenta pacientes con HDP e infección por VIH del Hospital La María, enero de 1992 a diciembre de 2008.

Mediciones: datos demográficos, signos, síntomas y exámenes de laboratorio que permitieron el diagnóstico de HDP.

Resultados: cuarenta pacientes, 34 hombres (85%), y seis mujeres (15%), con edades promedio de 33.4 y 27 años, respectivamente. En éstos predominaron: tos (77.5%), fiebre (90%) y anorexia con pérdida de peso en 92.5% y 77.4%, respectivamente. Lesiones en piel en 55% y en mucosa en 50%, crecimiento ganglionar en 62.5% y hepatomegalia en 52.5%. Menos frecuentes fueron disnea, esplenomegalia, vómito, diarrea y cefalea. Presentaron anemia el 85%, leucopenia el 52.5% y trombocitopenia el 30% de los pacientes. Exámenes micológicos: directo positivo en 21 muestras, de lavado broncoalveolar siete, piel seis, ganglio 12, biopsia transbronquial una y lesión de mucosa una. Se aisló H. capsulatum en todos los pacientes a partir de muestras de piel 10, ganglio 18, sangre tres, médula ósea una, lavado broncoalveolar (LBA) 10, y mucosa tres. Además, en siete pacientes, el hongo se aisló de más de un sitio anatómico. La serología realizada en 13 pacientes, se mostró reactiva en la inmunodifusión en gel de agar (IDGA) en 11 y en la fijación del complemento (FC) en 10.

Conclusión: ante un cuadro clínico compatible con HDP en paciente con infección por VIH que presenta fiebre, pérdida del estado general, crecimiento ganglionar, compromiso medular y piel y mucosas, el laboratorio permitirá confirmar fácilmente el diagnóstico de la sospecha clínica de la entidad
Relación entre insulinemia e hígado graso en pacientes con índice de masa corporal normal, sin antecedentes de consumo de alcohol crónico ni diabetes mellitus
Authors: Sánchez Rincones William , Santana Fontalvo Quindo , Buelvas Díaz José , Camargo de Mier Rafael
Published: August 2019

Existe una clara relación entre los pacientes con el hígado graso no alcohólico (HGNA) y la hiperinsulinemia, especialmente ante la presencia de factores de riesgo como la diabetes mellitus (DM), dislipidemia y obesidad; sin embargo, ésta puede presentarse incluso sin los factores de riesgo anteriormente mencionados. Objetivo: determinar la relación existente entre HGNA , e hiperinsulinemia en pacientes con índice de masa corporal (IMC) normal y sin DM ni consumo crónico de alcohol. Material y métodos: estudio descriptivo – transversal, tomando 59 pacientes adultos, 29 mujeres y 30 hombres en la Fundación Hospital Universitario Metropolitano (FHUM), sin antecedentes de consumo crónico de alcohol, con IMC normal y sin DM con las siguientes variables; la edad, sexo, perfil lipídico, ecografía hepática e insulinemia. Se utilizaron tablas de distribución de frecuencia, análisis multivariado con el riesgo relativo (RR) y Chi cuadrado (X2), con un nivel de confianza del 95%. Resultados: en el análisis multivariado la correlación entre nivel de insulina mayor o igual de 8 UI, se encontró que la glucemia mayor de 90 mg/L fue de 53.8% (siete casos) e insulina menor de 8 con glucemia mayor de 90 mg/L fue el 43.5 (20 casos). Con un riesgo relativo 1.2246 (IC: 0.6460 - 2.3214); Chi cuadrado: 0.4315 p=0.511. Lo mismo con los niveles de insulina preestablecido con los siguientes resultados con un RR: 1.1047 (IC: 0.8655-1.4101) X2: 1.0091 p = 0.3151. Con una incidencia de 8.47% con hígado graso diagnosticado por ultrasonografía. En relación a la edad el promedio fue 24.5 años (±10.4). Conclusiones: la relación de resistencia de la insulina y HGNA en este grupo de pacientes, muestran que la fuerza de la asociación RR se aleja de uno negativamente, lo que indica que no hay relación entre estas dos variables
Comités de ética en investigación con seres humanos: relevancia actual en Colombia
Authors: Prieto Paula
Published: August 2019

En este artículo se revisan los antecedentes históricos que propiciaron la aparición de los Comités de Ética de Investigación con Seres Humanos en el mundo, su fundamentación ética, la principal reglamentación a nivel internacional y la existente en Colombia. Enmarcado en ese contexto y por la relevancia que tienen en la actualidad, se hace un recuento de la creación, el desarrollo y las actividades del Comité de Ética en la Investigación de la Fundación Santa Fe de Bogotá. Este comité, creado en 1983, ha ejercido sus funciones durante 25 años con la búsqueda permanente de la excelencia en todas sus actividades dirigidas a la protección de la dignidad, los derechos y el bienestar de los sujetos que participan en investigaciones biomédicas y sociales
ANALISIS BIAYA DAN NILAI TAMBAH PENGOLAHAN WINE MOLASE TEBU DI KARANG ASEM BALI
Authors: Farida Farida
Published: August 2019

This study is aimed to determine how much-added value gained and how much cost needed in processing molasses into wine. The data was used two types of data, primary and secondary. The primary gained from direct observation and interview, while the secondary gained from related literature and agencies. We used a descriptive data processing method. Collected data and information then analyzed qualitatively and quantitatively. Quantitative data used to analyzed cost and added value. In the processing of molasses into wine, the results show got Rp262.500.000,- turnover and Rp96.325.000,- total production cost so that we gained Rp166.175.000,- profit income with 2,73 R/C score. This result makes it economically profitable and worth to be done. The added value gained from each liter of molasses processed into wine is Rp.87.350-, also interpreted as 31,20% added value ratio.

Keywords: wine, sugar cane molasses, added value, cost analysis
PEMBUATAN LAPORAN KEUANGAN DAN KREDIT PERBANKAN UNTUK USAHA MIKRO PADA JASA LAUDRY ADI PRATAMA PALEMBANG
Authors: Al Rasyid Muhammad Nizar , Riska Muhammad , Yahya Yahya
Published: August 2019

This activity is intended to provide counseling in the preparation of financial statements and credit banking aimed at micro business in laundry services Adi Pratama Palembang, from the results of the activity can be concluded that the feasibility of the bank loan scheme is 200 million rupiah with a loan plafond for 36 months up to 60 month, it will be subject to a loan interest rate of 1.50%, of which the installment for 36 months or 3 years is 7,230,479 per month, for 48 months or 4 years installments of 5,875,000 per month and for installments of 60 months or 5 years of 5,078 .685 per month.
Tillage and Residual effect of some Organic Amendments on Aggregate associated Soil Carbon of an Ultisol, Growth and Yield of Maize and Cowpea Intercrop
Authors: A.O Onunwa , C.A Igwe , O.A. Mbonu
Published: August 2019

We investigated the tillage and residual effects of some organic amendments on aggregate -associated soil carbon (C WSA) and yield of maize and cowpea intercrop in an Ultisol,
Southeastern Nigeria. A land area of 0.1125 ha was planted to sole cowpea, sole maize and maize-cowpea intercrop using minimum tillage (NT) and conventional tillage (CT) with poultry droppings (PD), pig waste (PW), and Cassava peels (CP) as amendments at the rates of 20, 90, 100 t/ha respectively and a control. The experimental design was a split -split plot in a Randomized Complete Block Design (RCBD) with three replications. The same crops, treatments, and replications were maintained for two experimental years (2011 and 2012), after that the residual effect of the amendments on aggregate-associated soil carbon (C WSA) and yield of the test crops was investigated in 2013. Consecutive application of organic amendments for the two years necessitated great improvement on aggregate-associated soil carbon (C WSA) for aggregate sizes > 0.25mm. However, when the amendments were withdrawn, there was a reduction in C WSA values though still significant except for aggregate sizes 1-0.5mm. Pig waste was observed to perform better than all the other amendments followed by Poultry Droppings in aggregating the soil. Tillage had a significant effect on C WSA for aggregate sizes >0.05mm, CT performed better than NT. Organic amendments significantly influenced cowpea and Maize both as sole and intercrop, however, it was observed that the intercrop had a tremendous improvement at the residual compared to the previous years.
Analysis of the Potential Soil Parent rock Resources and Ecological Footprint in Jadaka, Kandahar, Kargo, Makada and Sarki Aska Villages of Dutse, Nigeria
Authors: S. Usman
Published: August 2019

A study of the parent materials and ecological analysis, covering five sites of Dutse area in Jigawa State, Nigeria was undertaken; applying the concepts of visual assessment and ecological footprint to describe the biophysical condition of the rock particles and human economy. The objectives of the study were to classify the basic parent rocks and ecological footprints around them and to draw conclusions regarding the proper utilization of rocks and sustainable economic development in the area. Assessment activities were carried out based on four concepts, which are a description of the underlying parent rocks, geomorphic surface soil characteristics, measurement of the rock size and ecological footprint by human demand on rocks. Factors recounting the true nature and condition of parent rocks such as classes, type, texture, col- our, and pedogenesis were evaluated to guide biophysical characteristics of the rocks. The major surface features were recorded as anthropogenic-related to heating and breaking of rocks, cirque land, gullied land, and rock-outcrop. Data from the typical rock sizes in term of length and height were used for describing and contrasting the dimension of rock's formation and fragmentation in each site. This dimension was measured on average as 12.7 m Kargo, 10.8m Kandahar, 9.0 m Jadaka, 7.6 m Makada and 3.7m Sarkin Aska. Ecological footprint indicated that about 2.4 ha to 3.7 ha of the total rock areas are required to support the population of these villages. Proper utilization and management of the parent rocks can be used as a means of improving the sustainable livelihood of the population in the study sites.
Micro-aggregate Indices and Structural stability of Soils under Different Management
Authors: B.E Udom , H. Anozie
Published: August 2019

Low water stability of soil micro-aggregates accentuated by increased intensity of cultivation and soil degradation are among the significant issues that draw the atten- tion of Soil Scientists due to their effects on soil physical conditions. The study was carried out to quantify changes in micro-aggregate stability indices of soils on coastal plain sands under contrasting land use and management. Soil samples were collected from cassava plots, plantain, maize, rubber plantation, oil palm and 2-season fallow plots with Calapogonium mucunoides. Results revealed significant changes in micro-and macro-aggregate stability indices. Clay dispersion index (CDI) was 0.46 and 0.39 respectively in cassava and maize plots. Parameters such as aggregated silt and clay (ASC), clay flocculation index (CFI) and saturated hydraulic conductivity (Ksat) used as estimates of soil structural stability were significantly (p < 0.05) increased due to 2-season fallow and 10-year oil palm plantation. Two-year fallow increased ASC and CFI by 57 % and 86.5% respectively compared with continuous maize culti- vation. Ten-year cultivation to cassava and maize increased sand content by 18 and 9% respectively and decreased the mean weight diameter (MWD) of water stable aggregates and Ksat. Relationships showed significant (p < 0.05) positive correlation between ASC and CFI and Ksat. Two-year fallow with Calapogonium mucunoides and 10-year oil palm plantation improved the soil micro- and macroaggregate indices. They could be used to conserve the soil and reduce the degradation of soil resources.
Characterization and Classification of Soils of Jalingo Metropolis, North-east, Nigeria
Authors: D.N Osujieke , N.S. Obasi , P.E Imadojemu , M. Ekawa , M.D. Angyu
Published: August 2019

The study was aimed at the characterizing and the classifying of soils of Jalingo metropo- lis in Taraba State, North-East Nigeria. Profile pit was dug on each of the three different sites of the study area as identified using free survey. The profile pits were described and sampled bases on horizon differentiation for laboratory analyses. A total of 10 samples were collected. Data generated were analyzed using descriptive statistics to determine their coefficient of variation. The result indicated that the horizons were mostly reddish when moist at different contrasting level. The textural classes were mostly loamy sand while the sub-angular blocky structure was observed in the entire subsurface horizons. The horizons of the pedons were well drained. Sand fraction had means of 826.80 g/kg, 816.80 g/kg and 766.8 g/kg for pedons 1, 2, and 3 respectively. Clay fraction increased in an in- creasing soil depth which formed an argillic horizon. Sand fraction, bulk density and parti- cle density recorded low variation (≥0 % ≤5.22 %) in among the pedons. Soil pH(H2O) had a mean of 6.40 in pedon 1, 6.43 in pedon 2 and 6.41 in pedon 3. Organic carbon ranged from ≥2.0 g/kg ≤0.43 g/kg while cation exchange capacity ranged from ≥4.58 cmol/kg ≤5.01 cmol/kg among the pedons. The percent base saturation had a mean of 66.6 %, 65.1 % and 66 % in pedon 1, 2 and 3. Hence, pedons 1 and 2 were classified as Grossarenic Kandiustalfs (Arenic Lixisols), while pedon 3 was classified as Arenic Kandi- ustalfs (Loamic Lixisols) according to USDA soil taxonomy and correlated with world reference base.
Characterization and Erodibility Evaluation of Soils of Wukari Metropolis Northeast Nigeria
Authors: D.N Osujieke , J. Tanimu , K.O Osibe , M.D. Angyu
Published: August 2019

The study was aimed to characterize and evaluate the erodibility of soils of Wu- kari metropolis, Taraba State Nigeria. Three profile pits were cited in the study area using free survey technique. Soil samples were collected from profile pits based on horizon differentiation and were subjected to routine laboratory analy- sis. Data generated were analyzed statistically using the coefficient of variation. The result indicated that sand particle was predominant over other fine fractions as determined in both water and Calgon in all the pedons. Soil pH ranged from 6.35 to 6.90 across the pedons. Organic matter (OM) had mean of 1.73 %, 1.49 % and 2.12 % in pedons 1, 2 and 3. Cation exchange capacity (CEC) and available Zn were generally low while available Fe was high in all the studied pedons. The dispersion ratio (DR) ranged from 68.52 % - 90.25 %, clay dispersion index (CDI) ranged from 64.34 % - 90.69 % and clay flocculation index (CFI) ranged from 9.31 % - 35.66 % in pedons 1, 2 and 3. The soil pH, CEC, DR, and CDI had low variation among horizons of each pedon. Soil pH and OM correlated posi- tively ( ≥ r = 0.190 ≤ r = 0.441) with available Fe and Zn. Organic matter corre- lated negatively with DR, CDI, and CFI. Hence the soils were erodible; there- fore sustainable management practices must be adopted, to ensure sustainable productivity and environmental protection in the studied area.
Revisión bibliográfica de la técnica de fenol y sus modificaciones
Authors: Alcalá Sanz Javier , Sojo Soria José Manuel
Published: August 2019

La matricectomía química mediante fenolización es probablemente la técnica más empleada en la resolución quirúrgica de la onicocriptosis. A pesar de ser una técnica podológica por excelencia y del vasto conocimiento empírico existente respecto a su uso, algunos gestos quirúrgicos realizados en su ejecución, así como los diferentes protocolos de curación continúan siendo objeto de debate y controversia entre los diferentes autores y la evidencia científica es aún limitada pese a la popularidad de la técnica. En el presenta artículo realizamos una revisión bibliográfica actualizada de los artículos más relevantes que ha sido publicados para defender diferentes modificaciones y en base a las mismas planteamos algunas ideas que pueden ser utilizadas en el diseño de estudios científicos prospectivos que contribuyan a ampliar el campo de conocimientos de la Podología y el nivel de evidencia científica de uno de los tratamientos más específicos y populares en nuestra profesión.
Division by Zero
Authors: Bergstra Jan Aldert
Published: August 2019

The idea that, as opposed to the conventional viewpoint, division by zero may produce a meaningful result, is long standing and has attracted interest from many sides. We provide a survey of some options for the defining an outcome for the application of division in case the second argument equals zero. The survey is limited by a combination of simplifying assumptions which are grouped together in the idea of a premeadow, which generalises the notion of a transfield.
PENGARUH WI-FI TERHADAP MOTIVASI MAHASISWA MENEYELESAIKAN TUGAS AKHIR
Authors: Sukri Sukri
Published: August 2019

Tugas Akhir merupakan salah satu syarat untuk menyelesaikan studi serjana strata-1 di Fakultas Teknik Univeristas Abdurrab. syarat tersebut terkadang membuat mahasiswa menjadi  lama dan bahkan tidak selesai memenuhi hingga waktu yang di tentukan.  salah satu alasan tidak menyelesaikan tugas akhir tepat waktu adalah ketidak tersediannya wi-fi dengan baik. Untuk  memotivasi mahasiswa agar bisa mengerjakan tugas akhir tepat waktu, maka di perlukan suport fasilitas WI-FI yang berkualitas dari Fakultas Teknik universitas abdurran. Tujuan dari penelitain yang dilakukan adalah sejauh mana pengaruh WI-FI terhadap Motivasi mahasiswa dalam menyelesaikan Tugas Akhir tepat waktu. Metode yang di gunakan untuk mengukuran pengaruh WI-FI terhadap motivasi adalah Structural Equation Model (SEM) dengan variabel kualitas, waktu akses, dan pengetahuan. Hasil dari penelitian adalah mengetahui sejauh mana pengaruh WI-FI terhadap motivasi mahasiswa dan ketersediaan fasilitas WI-FI
SISTEM PAKAR KONSELING DAN PSIKOTERAPI MASALAH KEPRIBADIAN DRAMATIK MENGGUNAKAN METODE FORWARD CHAINING BERBASIS WEB
Authors: Nasir Januardi , Jahro Jahro
Published: August 2019

Diagnosa terjadinya masalah kepribadian dramatik pada seseorang yang didasarkan pada bentuk perilaku, mood, sosial interaksi, impulsif, dapat menjadi suatu hal yang kontroversial dan merugikan diri sendiri. Rendahnya fungsi interaksi sosial dilingkungan kerja, ikut memperburuk kondisi dan suasana emosi dengan cara mendramatisir, menyimpan erat, mengulang atau mengingat kembali suasana hati. Untuk membantu masyarakat yang menderita masalah kepribadian dramatik diperlukan alat bantu berbasis komputerisasi berupa Sistem Pakar yang dirancang dalam suatu program komputer untuk menentukan nilai ketidak pastian tersebut dan mempunyai kemampuan seperti seorang dokter. Sistem pakar ini menggunakan bahasa programan PHP dan MySQL sebagai basis datannya dengan metode forward chaining yang berbasis web dengan cara konsultasi dapat menjawab setiap pertanyaan dengan ya atau tidak, guna untuk mengetahui informasi mengenai gejala-gejala serta masalah kepribadian dramatik yang ada dan solusinya terapi untuk gejala tersebut.
Comparison of K-Means Clustering Algorithm with Fuzzy C-Means In Measuring Satisfaction Level Of Television Da'wah Surau TV
Authors: Malik Rio Andika , Defit Sarjon , Yuhandri Yuhandri
Published: August 2019

Da'wah Television Surau TV is a broadcasting media that presents broadcasts around Islam. This media will quickly develop as it presents broadcasting material in meeting the spiritual needs of its viewers. To Increased media development is highly dependent on the satisfaction of the audience in all aspects of broadcast supporting. It is therefore, to measure the level of audience satisfaction as an effort to generate continuous broadcast quality improvement.This research is performing of algorithm clustering comparation with K-Means Clustering modeling and Fuzzy C-Means modeling to classify and mapping the most appropriate dataset so that it can assist analysing or measuring the level of audience satisfaction toward the da'wah television Surau TV. Comparison of clustering algorithm performance with K-Means Clustering modeling and Fuzzy C-Means modeling is based on processing speed and trace value of each RMSE parameter of clustering algorithm. The RMSE result of clustering research using algorithm with K-Means Clustering is 2.09879 and by using algorithm with Fuzzy C-Means model is 2.07911. Fuzzy C-Means modeling speed is faster in conducting the clustering process compared with K-Means Clustering modeling. It can be concluded that clustering with Fuzzy C-Means modeling is able to produce more accurate cluster compared to clustering with K-Means Clustering modeling accuracy

 

Keywords: Clustering; K-Means; Fuzzy C-Means; Satisfaction rate survey; RMSE
PENGARUH BAURAN PROMOSI TERHADAP TINGKAT PENJUALAN PETANI PADA APLIKASI E-COMMERCE ‘E-FARMER FOR ANDROID’
Authors: Novianti Desi - , Mufti Abdul , Anjani Dewi
Published: August 2019

This study aimed to find out the influence of the promotional mix toward sales levels with the study on farmers to support the sale of agricultural output. The application of E-commerce E-Farmer ' For Android ' is a media promotion and information are expected to meet the needs of farmers to market the results of his farm. This research using the method of survey respondents with the farmers who use the application e-commerce e-farmer ' for Android '. Testing is done using simple regression analysis and test F to do a test of the hypothesis. The results obtained are the promotion of E-Commerce applications using ' E-Farmer for Android "effect simultaneously against the level of sales
PENERAPAN METODE SEMANTIK SEARCH DALAM SISTEM INFORMASI PENCARIAN DOKUMEN KERJA PRAKTEK DAN SKRIPSI BERBASIS WEB
Authors: Unik Mitra
Published: August 2019

This writing discusses the making of the application search documents practical work and thesis in the Department of Informatics Engineering Faculty of Computer Science Univestias Muhammadiyah Riau. This web-based application uses semantic search method in its search results. This app is designed to generate relevant or easy-to-understand search words by students and also generate words related to search keywords. The goal is to facilitate students in finding reference documents working practice and thesis and to avoid similarity with the previous student topic.
FAKTOR YANG MEMPENGARUHI PROMOSI DAN INFORMASI WISATA PULAU CINTA
Authors: Sukri Sukri , Rahmalina Widya
Published: August 2019

The tourism sector is a sector that has the potential to be developed as a business of local revenues, the program of development and utilization of resources and regional tourism potential is expected to contribute to economic development. One of the tours that can support the regional economy in Riau is Cinta Island, which is located in the Jering Bay Village, Tambang District, Kampar Regency. The number of visitors to Pulau Cinta reaches 9000 people every month. To maintain the number of visits with the achievement of the desired target, it is necessary to analyze factors that influence promotion and information so that visitors still visit the island of love. Promotion and information are factors that will be an important role and support for adding visitors to Cinta Island. Thus, the Structure Equation Modeling (SEM) model can be used to determine the factors that influence promotion and information that are featured on the island of Cinta. The results showed that the SEM model that was built could be accepted because it fulfilled several model feasibility tests stating that the model was good-fit. The results of hypothesis testing show that attractiveness factors such as natural beauty and cleanliness and supporting factors in the form of facilities and infrastructure have a positive effect on promotion and information. While the factors of safety, accessibility, and infrastructure deserve the attention of tourism managers.
Genome mining in Trichoderma viride J1-030: discovery and identification of novel sesquiterpene synthase and its products
Authors: Sun Xiang , Cai You-Sheng , Yuan Yujie , Bian Guangkai , Ye Ziling , Deng Zixin , Liu Tiangang
Published: August 2019

Sesquiterpene synthases in Trichoderma viride have been seldom studied, despite the efficiency of filamentous fungi for terpenoid production. Using the farnesyl diphosphate-overexpressing Saccharomyces cerevisiae platform to produce diverse terpenoids, we herein identified an unknown sesquiterpene synthase from T. viride by genome mining and determined the structure of its corresponding products. One new 5/6 bicyclic sesquiterpene and its esterified derivative were characterised by GC–MS and 1D and 2D NMR spectroscopy. To the best of our knowledge, this is the first well-identified sesquiterpene synthase from T. viride to date.
EHT-HOPS Pipeline for Millimeter VLBI Data Reduction
Authors: Blackburn Lindy , Chan Chi-kwan , Crew Geoffrey B. , Fish Vincent L. , Issaoun Sara , Johnson Michael D. , Wielgus Maciek , Akiyama Kazunori , Barrett John , Bouman Katherine L. , Cappallo Roger , Chael Andrew A. , Janssen Michael , Lonsdale Colin J. , Doeleman Sheperd S.
Published: August 2019

We present the design and implementation of an automated data calibration and reduction pipeline for very long baseline interferometric (VLBI) observations taken at millimeter wavelengths. These short radio wavelengths provide the best imaging resolution available from ground-based VLBI networks such as the Event Horizon Telescope (EHT) and the Global Millimeter VLBI Array (GMVA) but require specialized processing owing to the strong effects from atmospheric opacity and turbulence, as well as the heterogeneous nature of existing global arrays. The pipeline builds on a calibration suite (HOPS) originally designed for precision geodetic VLBI. To support the reduction of data for astronomical observations, we have developed an additional framework for global phase and amplitude calibration that provides output in a standard data format for astronomical imaging and analysis. The pipeline was successfully used toward the reduction of 1.3 mm observations from the EHT 2017 campaign, leading to the first image of a black hole “shadow” at the center of the radio galaxy M87. In this work, we analyze observations taken at 3.5 mm (86 GHz) by the GMVA, joined by the phased Atacama Large Millimeter/submillimeter Array in 2017 April, and demonstrate the benefits from the specialized processing of high-frequency VLBI data with respect to classical analysis techniques.
3D Feature of Self-correlation Level Contours at 1010 cm Scale in Solar Wind Turbulence
Authors: Wu Honghong , Tu Chuanyi , Wang Xin , He Jiansen , Wang Linghua
Published: August 2019

The self-correlation level contours at 1010 cm scale reveal a 2D isotropic feature in both the slow solar wind fluctuations and the fast solar wind fluctuations. However, this 2D isotropic feature is obtained based on the assumption of axisymmetry with respect to the mean magnetic field. Whether the self-correlation level contours are still 3D isotropic remains unknown. Here we perform for the first time a 3D self-correlation level contours analysis on the solar wind turbulence. We construct a 3D coordinate system based on the mean magnetic field direction and the maximum fluctuation direction identified by the minimum-variance analysis method. We use data with 1 hr intervals observed by WIND spacecraft from 2005 to 2018. We find, on one hand, in the slow solar wind, the self-correlation level contour surfaces for both the magnetic field and the velocity field are almost spherical, which indicates a 3D isotropic feature. On the other hand, there is a weak elongation in one of the perpendicular directions in the fast solar wind fluctuations. The 3D feature of the self-correlation level contours surfaces cannot be explained by the existing theory.
Quantification of mantle attachment scars on the Margaritifera margaritifera (Margaritiferidae, Bivalvia) shell
Authors: Zotin A. A. , Ieshko E. P.
Published: August 2019

A characteristic feature shared by all Margaritiferidae mussels consists in the presence of scars on the internal surface of their shells. These scars mark places of mantle attachment by specific epithelial cells. According to some authors, such parameters of mantle attachment scars as the density and degree of their manifestation can be used for the purposes of species identification. To this end, quality indicators (numerous or few, pronounced or poorly visible scars) are typically used; however, the use of quantitative criteria is preferable. This work was aimed at developing quantitative indicators of mantle attachment scars in the Margaritifera margaritifera freshwater pearl mussels for the populations of the Syuskyuyanyoki and Livoyoki rivers (Karelia). It is shown that the density and size of mantle attachment scars are approximately the same for all the investigated shell samples. These parameters display the absence of dependence on the age and size of molluscs. The regression coefficients for the linear dependence of the density or size of mantle attachment scars on the age or length of the shell show no significant difference from 0. For all the investigated molluscs, the density and size of mantle attachment scars are established to vary within the range of 0.37–1.16 scars/cm2 (0.71 ± 0.03 scars/cm2 on average) and 215–690 µm (417 ± 2 µm on average), respectively. According to a two-factor analysis of variance, the distribution of mantle attachment scars appears to be irregular across the shell surface. At the same time, a significant (p < 0.001) increase in their density is observed in the posterior and ventral directions, as well as diagonally in the posterior ventral direction. Issues associated with the application of the investigated parameters for the purposes of mollusc species identification are discussed.
Rubroshiraia gen. nov., a second hypocrellin-producing genus in Shiraiaceae (Pleosporales)
Authors: Dai Dong-Qin , Wijayawardene Nalin N. , Tang Li-Zhou , Liu Chao , Han Li-Hong , Chu Hong-Long , Wang Hai-Bo , Liao Chun-Fang , Yang Er-Fu , Xu Rui-Fang , Li Yun-Min , Hyde Kevin D. , Bhat D. Jayarama , Cannon Paul F.
Published: August 2019

Shiraiaceae is an important family in Pleosporales (Dothideomycetes), which includes medical fungi and plant pathogens. Two hypocrellin-producing taxa, Shiraia bambusicola and a novel genus Rubroshiraiagen. nov., typified by Rubroshiraia bambusae are treated in this article. Maximum likelihood analysis, generated via RAxML (GTR+G model), using a combined SSU, LSU, TEF1 and RPB2 sequence dataset, shows that Rubroshiraia is close to Shiraia and belongs to the family Shiraiaceae. Descriptions, illustrations and a taxonomic key are provided for the genera in Shiraiaceae. Rubroshiraia morphologically differs from Shiraia in having small and dark ascostromata and filiform ascospores. Production of the ascostromatal metabolites, hypocrellin A and B, were examined by HPLC and spectrophotometer. The content of hypocrellin A and B of specimen HKAS 102255 (R. bambusae) is twice that produced by HKAS 102253 (S. bambusicola). To clarify the relationship between R. bambusae and Hypocrella bambusae, type material of the latter was examined and provided the illustration.
First indication of Japanese mitten crabs in Europe and cryptic genetic diversity of invasive Chinese mitten crabs
Authors: Hayer Sarah , Brandis Dirk , Hartl Günther B. , Ewers-Saucedo Christine
Published: August 2019

The Chinese mitten crab (Eriocheir sinensis) is a prominent aquatic invader with substantial negative economic and environmental impacts. The aim of the present study was to re-evaluate the genetic diversity of mitten crabs throughout their native and invaded ranges based on publicly available sequence data, and assess if multiple introductions or rapid adaptation could be responsible for biologically divergent mitten crabs in Northern Europe. We assembled available genetic data of a fragment of the mitochondrial cytochrome c oxidase subunit one gene (COI) for all species of the genusEriocheir. We applied phylogenetic and population genetic analyses to compare native and invasive populations, and to identify possible source populations. The phylogenetic reconstruction revealed that five COI sequences from Europe, morphologically identified as Chinese mitten crab, actually belong to the Japanese mitten crab (Eriocheir japonica), representing the first indication of its presence in European waters. All other COI sequences from Europe could unambiguously be assigned to the Chinese mitten crab. In some Northern German populations of Chinese mitten crabs, genetic diversity was surprisingly high, due to seven unique haplotypes encoding several amino acid substitutions. This diversity may reflect a cryptic introduction from an unsampled native location, or rapid adaptation in the invaded range. Based on the genetic diversity shared between native and introduced range, Feiyunjiang, a tributary of the Yangtze River, emerges as a plausible source population for the original introduction of Chinese mitten crabs to Europe. This study highlights the complex and dynamic invasion processes of mitten crabs in Europe. We urge to further monitor mitten crab invasions using genetic tools.
Dendrocalamus menghanensis (Poaceae, Bambusoideae), a new woody bamboo from Yunnan, China
Authors: Wang Ping-Yuan , Li De-Zhu
Published: August 2019

Dendrocalamus menghanensis P.Y.Wang & D.Z.Li, a new species of woody bamboos endemic to south Yunnan, China, is described and illustrated. The new species is morphologically similar to D. semiscandens and D. birmanicus but differs in having a reflexed culm sheath blade, 10 mm high culm sheath ligule, 1 mm high leaf sheath ligule, 4 florets and 1 glume.
Codonoboea (Gesneriaceae) in Terengganu, Peninsular Malaysia, including three new species
Authors: Kiew Ruth , Lim Chung-Lu
Published: August 2019

Of the 92 Codonoboea species that occur in Peninsular Malaysia, 20 are recorded from the state of Terengganu, of which 9 are endemic to Terengganu including three new species, C. norakhirrudiniana Kiew, C. rheophytica Kiew and C. sallehuddiniana C.L.Lim, that are here described and illustrated. A key and checklist to all the Terengganu species are provided. The majority of species grow in lowland rain forest, amongst which C. densifolia and C. rheophytica are rheophytic. Only four grow in montane forest. The flora of Terengganu is still incompletely known, especially in the northern part of the state and in mountainous areas and so, with botanical exploration, more new species can be expected in this speciose genus.
Teaching Workplace Interprofessional Communication to Undergraduate Nursing Students
Authors: Sowko Lucille A. , Fennimore Laura A. , Drahnak Dawn M.
Published: August 2019

Background:

Patient safety may be compromised by ineffective communication. The American Association of Colleges of Nursing's Baccalaureate Nursing (BSN)
Essentials
state that effective communication skills are vital for nursing students to deliver safe patient care.

Method:

Faculty developed materials—including trigger videos—to teach nursing students effective communication in response to difficult workplace conversations. Students were surveyed after instruction and viewing scenarios demonstrating difficult conversations. Students prepared smartphone videos using scripting and received feedback from faculty and peers.

Results:

Increased comfort in addressing difficult conversations was noted for communication following medication errors (
p
= .011) and bullying (
p
< .001) scenarios. Students were likely to report delegation issues (
p
< .001) yet were less sure about reporting medication errors (
p
< .001) or bullying (
p
< .001). Students were less likely to use avoidance in addressing bullying (
p
= .015) but were unsure if they would avoid addressing medication errors (
p
= .004).

Conclusion:

The project provided innovative strategies to teach effective communication to nursing students.

[
J Nurs Educ.
2019;58(9):538–542.]
International Service-Learning for Nurse Practitioner Students: Enhancing Clinical Practice Skills and Cultural Competence
Authors: Merritt Lisa Schaeg , Murphy Natalie L.
Published: August 2019

Background:

The purpose of this project was to determine whether an international service-learning nurse-led clinic was a beneficial experience for nurse practitioner (NP) students in improving diagnostic and cultural confidence, skills acquisition, and cultural competence during a clinical practicum.

Method:

The sample consisted of 10 Doctor of Nursing Practice (DNP) students in various NP tracks during an international service-learning experience in Guatemala. A Likert survey was used for student evaluation of experience. An analytic grading rubric measured clinical and cultural performance.

Results:

Practice competency scores were high overall (
M
= 3.36;
SD
= 0.664). All students increased their confidence in diagnostic abilities (
M
= 4.89;
SD
= 0.422) and in caring for a culturally diverse population (
M
= 4.89;
SD
= 0.333).

Conclusion:

An international service-learning nurse-led clinic used to complement clinical practice hours as a beneficial experience in assisting NP students in developing diagnostic and cultural confidence.

[
J Nurs Educ.
2019;58(9):548–551.]
Energy Management
Authors: Maheswari M.  , Gunasekharan S.  , Veeraganti Sumadeepthi
Published: August 2019

Energy is described as the amount of work that can be done by force. There are various forms of energy such as kinetic energy, potential energy, thermal energy, light energy, sound energy, and electromagnetic energy. As per the law of conservation of energy, it is neither created nor destroyed. In this modern era, energy became an integral part of our life. The life without energy is not at all possible nowadays. The energy is not offered at free of cost and it comes at an affordable prize. The generation of energy requires natural resources which are exhaust day by day. At the same time, the usage of energy is increasing exponentially. Managing and reducing energy consumption not only saves money but also helps in mitigating climate change and enhancing corporate reputation. The organizations can achieve appreciable energy reduction by adopting simple measures. This chapter discuss about the present scenario of energy, need for energy management, energy management program, and its various steps involved.
Load Frequency Control in Multi-Area Interconnected Power Systems Using Second Order Sliding Mode
Authors: Dev Ark , Sarkar Mrinal Kanti
Published: August 2019

The chapter focuses on load frequency control (LFC) problems in multi area power systems using nonlinear second order sliding mode control (NL-SOSMC) under load disturbances and parameter uncertainties. A sudden load disturbance can causes deviation in frequency and tie line power from their schedule value. The main objective of the chapter is to give knowledge about the application of robust control technique mainly sliding mode control (SMC) for load frequency problems. The designed controller ensures finite time convergence of frequency and tie line power deviations with chattering free control signal. The proposed controller confirms better transient and steady state behavior. Furthermore, the controller is validated under matched uncertainty, random step load disturbances, parameter uncertainties, and with nonlinearities in power system like generation rate constraints (GRC) and governor dead band (GDB). The stability of the controller is theoretically proved using Lyapunov candidate function and verified using simulations in MATLAB R2015a.
Educational Expectations of Refugee Mothers for Their Children
Authors: Erçetin Şefika Şule , Kubilay Sevda
Published: August 2019

The aim of this study is to determine refugee mothers' educational expectations for their children. It is a qualitative research designed with phenomenological approach, which is one of the qualitative research methods. Twenty volunteer mothers coming from Iran, Iraq and Afghanistan were participated in the study. An interview form, including open-ended questions, was used as a data collection tool. The data was collected by face to face meetings with each participant. Content analysis was applied to the data gathered. Findings indicate that the refugee mothers' expectations from the schools are guidance and counseling services for refugee students, more social activities at schools, more intensive Maths and language courses, effective communication and interaction between students, parents and schools. Most of the refugee mothers would like to settle down in a more developed country and they don't want their children continue their education in Turkey.
Refugee Children and Parental Involvement in School Education
Authors: Kovacevic Zlata , Klimek Barbara , Drower Iris Sharon
Published: August 2019

While much has been achieved in this country to bring about equality for many groups, for refugees it has been a struggle. This chapter explores the state of refugee education in terms of definition and impact for children and families, including coordination constraints. It provides a program-model for working with refugee students and their families within a culturally responsive partnership at Washington Elementary School District, Arizona, USA. In addition, challenges are addressed leading to constant adapting, changing, and improving the program model over time based on the needs of the refugee students and their families.
Perspectives on Equity, Inclusion, and Social Justice in Education in Four Nordic Countries
Authors: Ragnarsdóttir Hanna
Published: August 2019

The article addresses some fundamental values in education and their implications in the Nordic countries, such as equity, democracy, social justice and inclusion, while its main aim is to introduce and discuss main findings from case studies in pre-, compulsory and upper secondary schools that are part of the Nordic research project; Learning Spaces for Inclusion and Social Justice: Success Stories from Immigrant Students and School Communities in Four Nordic Countries. The aims of the research were to 1) to understand and learn from the experiences of immigrant students and children who have succeeded academically and socially; and 2) explore and understand how social justice is implemented in equitable and successful diverse Nordic school contexts and other learning spaces. The research is grounded within theories of critical multicultural education and culturally responsive pedagogy. Findings reveal a variety of successful educational practices on all three school levels while some challenges also exist.
Digital Narratives of Immigrant Youth
Authors: Casale Regina , Mentor Dominic
Published: August 2019

This chapter focused on cultivating mobile activism mobile journalism with middle and high schoolers of a town in Long Island. The youth film production effort was in response to a hate crime. An immigrant was attacked and killed by a group of young males after a suspected spree of other attacks that same night. After the murderous incident, immigrant parent and students of the local schools feared for their lives. Working towards the goals, the organizers set out to teach students how to use mobile and computer technologies for filmmaking. Using themes of human rights, they also focused on responding to hate crimes and immigration issues. This chapter offers key discoveries and lessons. The short intensive program provided academic and workforce development skills as well as how to use computer technology for digitizing personal narratives. The program also offered informal academic purposes, along with observations, opportunities, and recommendations from the findings for other K-12 digital video filmmaking endeavors.
Social Work With Refugee Women
Authors: Cooper Lareen , Nash Mary , Umugwaneza Antoinette
Published: August 2019

In this chapter on resettlement social work with women refugees, they are portrayed as resilient yet reluctant users of social work services. While the field of social work with refugees has already been widely introduced and discussed, less attention has been paid to resettlement work with women refugees. In order to contextualise this discussion, key terms are briefly defined, and relevant legislation together with demographic features are covered. The chapter includes a case study, presented by one of the authors, herself an expert by experience. We present open source as well as current research published in academic journals relating to this field of practice. Research methods and ethical issues including practice dilemmas associated with the concept of empowerment are discussed. Practical applications and cultural concerns derived from the research suggest how practitioners and refugee women may work together using participatory methods to draw on the strengths and experience of the refugee women to achieve goals which are consistent with those set out by the United Nations High Commission.
African-Born Female Academics in the U.S.
Authors: Ifedi Rosaire
Published: August 2019

This paper was based, in part, on some findings related to the intersection of identity and career outcomes for some African-born female academics located in the United States. In the phenomenological study, data were collected through semi-structured interviews and revealed accounts of race and gendered challenges in their experiences. However, even though they faced similar kinds of marginalization as other Black and foreign women, these participants were confronted with unique questions of identification and experiences of double discrimination. Nonetheless, the findings also suggest a persistence that was reflected in their stories of access, inclusion, and exclusion as well as their perceived role as coalition-builders. An implication for immigrant female professors in the U.S. is that their immigrant status could both facilitate as well as challenge their career paths and economic outcomes, a point equally corroborated by research on gender and migration in higher education in Europe and elsewhere.
The Use of Social Media by Medical Librarians for Inclusive Engagement in the Management of HIV/AIDS in Nigeria University Teaching Hospitals
Authors: Ochonogor Wilson Chukwunedum , Mutula Stephen M.
Published: August 2019

Information and communication technologies (ICTs) have over the years evolved and synthesized to leverage a wide variety of tasks in all fields of human endeavor including library services. This rapid transformation has not only affected information handling procedures but has equally reshaped approach to the work environment in that librarians attached to medical libraries is required to acquire some knowledge of medicine in order to adequately and efficiently make informed decisions that can positively impact on the general medical practice and specifically the management of HIV/AIDS. The use of ICTs such as social media (SM) has further made the work environment a community pivot, a rallying point, rather than the solitary tedium that has retarded learning, communication, advancement, cooperation, and community support in the past.
School Librarian Experiences of Learning Management Implementation
Authors: Kowalsky Michelle
Published: August 2019

This case will describe a school librarian's experiences in assisting the faculty and staff of a public high school as they attempted to adopt school-wide learning management system. A compelling example of change management, this initiative describes solutions to challenges common to many types of schools and libraries. This installation served as a local and early solution in developing teachers' skill in online learning management and asynchronous communication with students outside of school hours. Details include the conditions and procedures of the Moodle implementation, the leadership philosophies which facilitated collaboration, and the change dynamics at the school which led to a successful outcome.