bluuebunny/crossref_metadata_2025 huggingface dataset:
Impact Des Facteurs De Pollution Sur La Qualite Des Eaux De La Zone Aval De La Vallee De L’oued Nekor (Al-Hoceima, Maroc)
Authors: Dimane Fouad , Haboubi Khadija , Hanafi Issam , El Himri Abdelouahad , Andaloussi Kaouthar
Published: January 2019

Water is a precious and essential natural resource for multiple uses. Its use for food or hygiene requires excellent physicochemical and microbiological quality. To assess the quality of well water for human consumption in the Al Hoceima region which is located in North of Morocco, a physico-chemical and bacteriological control was carried out on the basis of 10 water samples from wells in this area. The analyzes were performed on these samples by measuring the following physic-chemical parameters: temperature, pH, electric conductivity (EC), chloride (Cl -),dissolved oxygen, nitrate (NO3 -), and possibly seeking unwanted bacteria (total bacteria, total coliforms, fecal coliforms, fecal streptococci). The samples were analyzed systematically to measure all the physicochemical indicators of pollution. Correlation between pollution parameters were conducted to give a reponse element on the main causes pollution. The results performed analysis, revealed a pollution of an agricultural origin. This is confirmed by the maximum levels of chlorides, which exceed 2640 mg/l, thereby explaining the high conductivity levels (4800μs/cm). In addition 14% of analyzed wells have nitre levels 50mg/l nitrate pollution a not alarming. However, if a pollution of agricultural origin is mentioned, the lithological contribution can not be neglected on the results obtained.
The Variations in the Level of Angiotensin II Between Subjects in Ajloun City and the Dead Sea Impact Hypertension Parameters
Authors: Al-Refaai Taghreed A. , Al-Rawashdeh Basel Naeem Fandy , Salem Mai Abu , Blokh Dyana , Mrayat Reham , Al-Hamaideh Ahlam Nasri Damen , Abeeleh Jaafar Abu , Al-Shehabat Mustafa Ahmad , Alkhatib Ahed J. , Abeeleh Mahmoud abu
Published: January 2019

Introduction: Jordan has a unique array of diversity among which having the deepest level in the world, the Dead Sea and an area with high attitudes in Ajloun City which gives us a great chance to study the biological effects on hypertension and possible impacts in selecting the appropriate treatment. Study objectives: to explore the impacts of variations of attitudes in hypertension and the level of beta blockers through studying the level of angiotensin II among study participants and to investigate if the patterns of anti-hypertensive treatments are impacted. Methods and subjects: a cross-sectional study design was carried out among participants from the two different areas. From each area, a total of 500 participants were recruited and surveyed through a questionnaire. Blood pressure was measured for all participants and blood samples were withdrawn to carry out the testing of angiotensin II. Data were analyzed statistically based on the appropriate software including excel and SPSS. The relationships were examined according to independent T-Test. Significance was considered according to p0.05). On the other hand, heart parameters including SBP, DBP, MBP, pulse, and PCV all of which were significantly higher in Ajloun than in the Dead Sea (p=0.001) for all selected variables. The level of angiotensin II was 12.08 ± 5.19 pg/ml in Ajloun and this was higher than that of the Dead Sea (8.84 ± 4.65 pg/ml). The difference in the mean of angiotensin II was statistically significant (p=0.039). Conclusion: the results of the present study showed that living in high altitude compared with the lowest area in the world (the Dead Sea) exposes persons for the risks of hypertension and other cardiovascular diseases. Our findings may lead to better therapeutic strategies particularly when to prescribe angiotensin II based therapies.
Etude Des Parametres Floraux De Quatre Varietes L’abricotier Dans La Region De Guedila (Biskra, Algerie)
Authors: Abdelaziz Benaziza , Samiha Makhloula
Published: January 2019

In the Guedila region (Biskra, Algeria), fruit trees have become increasingly important in recent years, occupying enormous areas and important plant resources. Among these, apricot tree (Prunus armeniaca L.) or (Armeniaca vulgaris Lam.). Which is undergoing a notable development due to the good adaptation of this species to the regional pedoclimatic conditions which generate very satisfactory yields? This work allows the floral characterization of four varieties of apricot, most cultivated in this region. It is based mainly on the descriptor of the European union of production and plant breeding (UPOV, 2008) which allows varietal identification, their performances and the existing analogies between the varieties studied.
Application De L’ultrason A L’étude De L’homogénéité Des Briques Réfractaires
Authors: Djiragbou N. B. R. , Boffoué M. O. , Kouadio K. C. , Kouakou C. H. , Emeruwa E.
Published: January 2019

The quality of refractory bricks such as their ability to resist to thermal shocks essentially depends on the homogeneity of their structure. The imperfections observed in the structure of some refractory bricks arise from the mode of their preparation. Thus, the homogeneity of bricks manually elaborated with refractory clays and sintered at 1280°C was studied. The speed of ultrasounds in different areas of the bricks was measured with an ultrasound auscultation device. The results point out the speeds of ultrasounds may vary from one zone to another revealing heterogeneities into some bricks. This technique allows showing the distribution of possible heterogeneities in these materials.
Bio-Évaluation De La Qualité Des Eaux De Surface D’oued Beht (Maroc) Indice Biologique Global Des Réseaux De Contrôle Et De Surveillance (IBG-RCS)
Authors: Nihad Lamhasni , Lahcen Chillasse , Mohamed Timallouka
Published: January 2019

The present study concerns the biological assessment of Beht’s river quality in Morocco during the period Mai-June of 2014 using the standard Global Biological Index of Control and Surveillance Networks (GBICSN).Thus twelve sampling stations were chosen for the determination of the impact of agricultural and urban waste of Beht’s area on the biological waters quality of this river. As results this biological approach showed downgrading notes of the biological index from the watershed’s uphill to its downstream reflecting this way the deterioration of water quality with increasing anthropogenic action and inputs.
Effects of Teachers’ Participation in Management of Physical and Material Resources on Their Motivation, Kenya
Authors: Kingi Petronilla M. , Kalai Jeremiah M.
Published: January 2019

Motivation is one of the many factors that contribute to employee performance. Teachers’ motivation in public secondary schools has been highlighted as one of the factors that contribute to employee performance (Matoke, Okibo & Nyamongo, 2015). There is however a dearth of literature on the effects of teachers’ level of participation in management of physical and material resources on their motivation. The purpose of this study was to investigate the effects of teachers’ levels of participation in management of physical and material resources on teachers’ motivation in public secondary schools in Kiambu, Machakos and Kajiado Counties, Kenay. The study sought to establish whether there was a significant relationship between the teachers’ level of participation in management of physical and material resources on teachers’ motivation in secondary schools. The study used Kurt Lewin change management model (1951) and Herzeberg Motivation Hygiene Theory (1959). Correlation design was adopted with a sample size of 58 principal and 345 subject teachers. Data was collected using questionnaires for the teachers and principals and self-administered observation guide. Stratified random sampling technique was used to get the sample size of the respondents. Validity was established through expert consultation and reliability determined using cronbach alpha. Means were computed to compare the teachers’ and principals’ opinions on the teachers’ level of participation in management of physical and material resources. Mean of below 2.00 was considered low level, mean between 2 to 3.5 was moderate whereas as mean above 3.5 was regarded high level. Independent t-test was used to establish whether there was a statistical mean difference between the teachers and school principals’ opinion on the teachers’ level of teachers’ participation in management of physical material resources. Simple regression analysis was carried out in order to establish the effect of teachers’ participation in the management of physical and material resources on their motivation. The study established that teachers were moderately involved in management of physical and material resources. The independent sample t-test results shows that there was a significant difference in the mean difference between the means of principals’ and teachers’ views on teachers’ participation in management of physical and material resources t (377) = -6.073, p = 0.00. The study revealed a statistical significant relationship between teachers’ level of participation in the management of physical facilities and their motivation ( = .399, p-value< .01).There is need to embrace participative structures that encourage teachers’ participation in management of physical facilities and material resources. Through such ventures the teachers will highly be motivated to work and consequently improving the quality of education in Kenya.
Patient Profile Of Tinea Corporis In Dr. Soetomo General Hospital, Surabaya From 2014 To 2015
Authors: Oktaviana Novita , Kawilarang Arthur Pohan , - Damayanti
Published: January 2019

Background: The prevalence of dermatophytosis in Indonesia reach 52% of all fungal infections and is dominated by tinea corporis. Purpose: This study aimed to describe the clinical profile of tinea corporis patients in the Outpatient Unit of Dermatology and Venereology, Dr. Soetomo General Hospital, Surabaya. Methods: This study was a descriptive study with a case series method from patient medical records in the mycology division of the Outpatient Unit of Dermatology and Venereology, Dr. Soetomo General Hospital, Surabaya from January 1, 2014 to December 31, 2015 with 339 samples. Results: This study showed that tinea corporis patients were dominated by women counting for 113 patients in 2014 and 84 in 2015. Tinea corporal patients were dominated by the post-puberty age group between 40 and 50 years. Tinea cruris is the most common comorbid infection in this case. There were 85.25% of patients who showed positive results for hyphae structure, 72.57% of patients showed negative results for blastospore structure, and 64.31% of patients showed negative results for examination of Wood’s lamp. There were 100 patients in 2014 and 86 patients in 2015 who received oral griseofulvin pharmacological therapy and 86.30% of these patients showed improvement in results after two weeks of treatment. Conclusion: Tinea corporis mostly attacks women and post-puberty age groups with tinea cruris as the most comorbid infections. The characteristic of tinea corporis could be shown as positive result for hyphae and negative for blastospore through the KOH test, and oral Griseofulvin is the most pharmacological therapy used for treatment
Análise do grau de motivação comparando os fatores expostos por Herzberg: estudo de caso em uma empresa de formação de condutores
Authors: Luiz Diogo Siqueira , Bertoni Flávia De Aguiar , Machado Giovanni Bohm
Published: January 2019

Para compreender a motivação de cada trabalhador, Frederick Herzberg foi um dos primeiros pesquisadores a estudar as causas que influenciavam as pessoas a estarem ou não realizadas com seu trabalho. O presente artigo relata as teorias ligadas à motivação no trabalho, com o objetivo de verificar o grau de motivação dos funcionários da empresa CFC Alvorada em seu ambiente de trabalho. Esta pesquisa caracterizou-se como um estudo de caso único, exploratório e descritivo, onde foram divididas em duas técnicas de coleta de dados, sendo uma através de entrevista semi-estruturada e outra com um questionário de perguntas fechadas, onde foi possível constatar o nível de motivação dos pesquisado. Como resultado da pesquisa foi possível constatar que os motivos que deixam alguns colaboradores desmotivados é a insuficiência de uma comunicação clara e transparente que seja realizada de forma individual.
Keanekaragaman Pertumbuhan dan Hasil Tanaman Oyong (Luffa Acutangula L.) pada Berbagai Konsentrasi Kolkhisin
Authors: Rahman Adib Fauzan , Nandariyah Nandariyah , Parjanto Parjanto
Published: January 2019

Oyong production is still low due to the limited availability of quality seeds. The production can be increased by one of the plant breeding techniques, which is mutation technique. The technique of mutation by chemical mutagens is able to increase the genetic diversity ofplants allowing the breeding to select genotype of plants in accordance with the intended breeding objective. Therefore, research is required to be conducted by using colchicin as a chemical mutagen which causes polyploid, in  which  organism has  three sets  or  more chromosomes inside  its  cells. Meanwhile, the general nature of this polyploid plant is being sturdier; parts of the plantare bigger; so that later, its poor nature will be better as well as changing the potency of the result. Research using complete randomized block design (RBD) with one factor concentration of 0,1% (P1), 0,2% (P2), 0,3% (P3), 0,4% (P4), 0,5% ( P5), and 0,6% (P6).  Colchicines treatment can cause changes in  growth and  yield variables. Colchicines treatment with  a concentration of 0,3% showed positive changes to theweight of fruit, fruit diameter and length of the fruit. An increase in diversity on growth and yield components especially on colchicines treatment with 0,3%concentration.
Alih Fungsi Lahan dan Curah Hujan terhadap Perubahan Hidrologi Sub Das Samin
Authors: Rahayu Nining , Sutarno Sutarno , Komariah Komariah
Published: January 2019

Samin sub-watershed is located in the district of Karanganyar and Sukoharjo regency. Every year an increasing number of people in Samin sub-watershed can inflict problems such as the seizure of land use and the amount of available water resources. This study purpose to analyzed the influence of land conversion and rainfall to hydrology conditions Samin sub-watershed in 2005-2015. This research used descriptive exploration method. The study population was the whole unit of land use in the Samin sub-watershed. Data collection techniques used collection of  secondary data from  BPS  Karanganyar-Sukoharjo regency and  watering hall.  Data  were analyzed using correlation analysis of land use and rainfall on hydrology conditions Samin sub-watershed. The results showed that the wetland and forest land decreased by an average of 44,76 ha-1year and 102,5 ha-1year. Residential land, fields and plantations increased by an average of 26,8ha-1year, 54,07ha-1year and 26,82ha-1year. In period 2005-2010 and 2011-2015, Samin sub-watershed has declined average on annual charge (-3.117,42 m3/second), value of coefficient run-off (-0,11), sedimentation (-0,01 mm) and increase average on value of  coefficient of river regime (+91,02) and CVcharge  (+0,35). Results of statistical analysis of correlation showed that, decline in wetland, forest and increased fields affect the increase coefficient of river regime. Decreased forest land also increased of fields land and plantations affect the  increase of  Coefficients of  Variants (CVcharge). Decreased forest land  affects decreased run-off coefficient, sedimentation and annual discharge.
Pertumbuhan dan Kandungan Asam Oleanolat Rumput Mutiara (Hedyotis Corymbosa) pada Berbagai Dosis Pupuk Kandang Sapi dan Pupuk Organik Cair
Authors: Jayantie Glora , Yunus Ahmad , Pujiasmanto Bambang , Widiyastuti Yuli
Published: January 2019

Research on the growth and oleanolic acid content of pearl grass (Hedyotis corymbosa) in experimentall field of Medicinal Plants and Traditional Medicines Research and Development Center (B2P2TOOT), Tanjungsari Village, Tegal Gede Village, Karanganyar and B2P2TOOT laboratory, Tawangmangu, Karanganyar. The research has been conducted in August to November 2017. The purpose of this research is to know the dosage of cow manure and liquid organic manure which has the most influence to the growth and the oleanolic acid content of pearl grass. The experiment was designed in a randomized complete block design with twelve treatments and three repication. The observed data  analyzed using  variance analysis  with 5% level then if there was a significant difference in the continued test with Duncan’s Multiple Range Test (DMRT). The results showed that the use of cow manure at doses of 0 kg-1m2, 4,6 kg-1m2, 6,1 kg-1m2 and 7,6 kg-1m2 did not give increase to all observation variables. The use of POC dose 0 ml-1liter, 5 ml-1liter and 10 ml-1liter did not give increase to all observation variables. All given treatments may show that oleanolic acid is present in pearl grasses.
Hasil Garut (Marantha Arundinaceae) pada Kekeringan
Authors: Oktafani Muhammad Bogi , Supriyono Supriyono , Budiastuti Mth Sri
Published: January 2019

Arrowroot (Marantha arundinaceae) is one of substitute food source of wheat flour and rice. Mostly arrowroot wildly grow in yard and forest untreated so its productivity is relatively low. During the dry season, water availaility drops, causing drought. The aim of this research is to determine the effect of drought stress on tuber yields of arrowroot. This research was conducted on March to September 2016 at the Faculty of Agriculture Land Experiment Field of Sebelas Maret University in Jumantono, Karanganyar. The study using a randomized completed block design (RCBD) and one research have one treatment factor. One treatment has 4 experimental levels and each level is repeated six times so that there are 24 experimental unit. Drought treatment consist of following levels; 100%, 75%, 50%, 25% of field capacity. The research shows that arrowroot is a dry-resistant plant up to 25% and produces good growth and yield is indicated by tuber weight (551,67g).
Kajian Penggunaan Debu Limbah Tembakau dan Pemberian Vermikompos Terhadap Populasi Ditilenchus pada Bawang Merah
Authors: Hermawan Yanuar Mahir , Subagiya Subagiya , Sulistyo Ato
Published: January 2019

Shallot is a high value commodity for Indonesian people. The rate of shallot production is considered quite slow considering of the increasing population, income, and the area of shallot cultivation. On the cultivation of shallots common obstacle of Ditylenchus that cause damage to the stems and shallot bulb. The dust of tobacco and vermicompost waste is known to suppress the development of nematodes. This study aims to examine the use of tobacco ash waste and vermicompost on the population of Ditylenchus nematodes as well as the growth and yield of shallot. This research was conducted at Faculty of Agriculture, Sebelas Maret University (UNS) Surakata in August to December 2016. The study was performed using Completely Randomized Design (CRD) with treatments in the form of tobacco dust, vermicompost, combined tobacco dust and vermicompost and control treatment. Data were analyzed using variance test (F test) with 5% level. If the result shows significant effect then followed by DMRT of 5% level. The result of this research showed that the use of combination of tobacco ash waste and vermicompost could decrease nematode ditylenchus population in the soil. The use of tobacco ash waste could decrease total of parasite nematode population on plant tissue. The treatment didn’t give any effect to shallot’s yield. Shallot’s yield was not influenced by the existence of nematode ditylenchus and another on plant tissue.
Uji Daya Hasil Padi Hibrida 172 dan 6 Pada Jarak Tanam yang Berbeda
Authors: Aprillia Fitri , Samanhudi Samanhudi , Pujiasmanto Bambang
Published: January 2019

Rice is the main commodity in food support, especially in Indonesian society. As a country with a large population, there are challenges in collecting the food needs of the population, the challenge is to improve the efficiency and optimizing the utilization of land resources. The purpose of this study is to determine the use of varieties / lines were superior and spacing are effective in increasing productivity. The research was conducted at the experimental land Faculty of Agriculture, Sebelas Maret University, Mojolaban, Sukoharjo. The research using Randomized Completely Block Design with 2 factors, namely rice varieties factor and plant spacing. Data were analyzed using analysis of variance and if there is a significant followed by DMRT (Duncan Multiple Range Test) at 5% level. 6 Chinese rice lines and spacing of 26 cm x 26 cm is a combination of treatments that have a higher level of productivity is 4.79 ton-1ha.
Pertumbuhan dan Hasil Kubis Bunga pada Sistem Hidroponik Substrat dengan Media Bagase
Authors: Mustofa Ade Imam , Purnomo Djoko , Sakya Amalia Tetrani
Published: January 2019

Cauliflower is one of the popular vegetables and has high economic potential. The need for vegetables is high but the productivity is increasingly starting to decline due to narrow land. Hydroponic technology does not require fertile are. Hydroponics of cauliflower expected to increase economic value. Bagasse has characteristics wet and easy to absorb water is very suitable as a media hydroponic substrate. The experimental research was held out from August 2016 until February 2017 in the screen house of the Faculty of Agriculture, Sebelas Maret University, Surakarta The experiments using complete randomized design with 2 treatment factors consisted of various nutrients (2 types) and media (3 types) resulting in 6 treatment combinations, each repeated 3 times. Nutrient types are standard nutrients and modified nutrients (standard K reduction nutrients).The types of media types are bagasse, bagasse + gravel, and bagasse + red brick fractions. Bagasse + fragment red brick showed better yield on volume of root, large of leaf, biomass of plant and age of flower. While the highest of plant on media bagasse + gravel.
Construction and Transient Expression of Chimeric Cassettes Containing CaMV 35S or OsAER1 Promoter and GUS Gene Fusion in Tobacco
Authors: Apriana Anniversari , Sisharmini Atmitri , Awidinnoor Hajrial , Trijatmiko Kurniawan Rudi , Sudarsono Sudarsono
Published: January 2019

Reporter gene assays are commonly used to study the expression pattern of a gene and the promoter activity. The purpose of this study was to assemble the chimeric gene constructs consisting of CaMV 35S promoter orOsAER1 gene promoter connected to the β-glucuronidase (GUS) reporter gene encoding the β-glucuronidase enzyme and to obtain an efficient method for Agrobacterium tumefaciens-mediated transient transformation of tobacco sprouts. The CaMV 35S promoter fragment reamplified from pCAMBIA1301 binary vector and the OsAER1 gene promoter fragment amplified from rice cv. Awan Kuning were ligated into pCAMBIA1300int::gus::tNOS to produce binary vectors pCAMBIA1300int::p35S::gus::tNOS and pCAMBIA1300int::prOsAER1::gus::tNOS. The vectors were used for transient transformation of 5–day old tobacco seedlings. The transformation was carried out using two bacterial cultures with densities of OD600 = 0.5 or OD600 = 1.0 combined with a vacuum for 15 or 30 minutes. Tobacco seedlings transformed with pCAMBIA1300int::p35S::gus::tNOS showed higher transformation efficiency as compared tothe ones transformed with pCAMBIA1300int::prOsAER1::gus::tNOS. A higher efficiency was obtained from transformation using bacterial culture with density of OD600 = 0.5 in combination with a vacuum for 30 minutes. Expression of GUS gene in the tobacco sprouts transformed with CaMV 35S promoter construct was observed through out the sprouts area (root, hypocotyl, cotyledon, and leaf), where as expression of GUS gene was observed in root, hypocotyl, and cotyledon, but not in leaf on tobacco sprouts transformed with OsAER1 promoter construct. These results indicate that the transient transformation is a quick and simple method for testing a chimeric gene construct.
KURVA PENAWARAN TENAGA KERJA DAN JAM KERJA PEREMPUAN
Authors: Mawadah Sokhikhatul
Published: January 2019

The labor supply curve is a curve that states the relationship of wages and hours of work. The higher a person's wages the fewer hours they work. The curve should not be appropriate if it is associated with women's working hours, because there are still many women who work a lot but pay little. Especially for women who work on households, how many hours work to work at home and work in the office. The purpose of this paper is to find out the relationship of wages and working hours of women, Analyzing the labor supply curve based on Central Java Provincial BPS data on women's working hours and knowing the relevance of the labor supply curve to the current (working women) society condition. From the discussion in this writing is known that many factors that affect the labor supply curve, one of which is the factor of women who take care of the household. So there is a relationship between the labor supply curve with female work hours but is less relevant. The labor supply curve does address wages and hours of work but does not deal specifically with wages, working hours and women. There should be a distinction or an exception to women. especially working hours of working women (as professions) with women who only work as housewives. let alone strengthened from the data of BPS statistics center agency which shows the number of working hours of women more than the number of man hours worked.

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Kurva penawaran tenaga kerja adalah kurva yang menyatakan hubungan upah dan jam kerja. Semakin tinggi upah seseorang maka semakin sedikit jam kerjanya. Kurva tersebut tidak sepatut­nya tepat jika dikaitkan dengan jam kerja perempuan, karena masih banyak perempuan yang jam kerjanya banyak tetapi upahnya sedikit. Apalagi untuk perempuan yang bekerja mengurusi rumah tangga, berapa banyak jumlah jam kerja untuk di bekerja di rumah dan bekerja di kantor. Tujuan penulisan ini adalah untuk mengetahui hubungan upah dan jam kerja perempuan, Meng­analisa kurva penawaran tenaga kerja berdasarkan data BPS Pro­vinsi Jateng tentang jam kerja perempuan dan Mengetahui relevansi kurva penawaran tenaga kerja dengan keadaan masyarakat (perempuan bekerja) dewasa ini. Dari pembahasan dalam penulisan ini diketahui bahwa banyak faktor yang mem­pengaruhi kurva penawaran tenaga kerja, salah satunya adalah faktor wanita yang mengurus rumah tangga. Jadi ada hubungan antara kurva penawaran tenaga kerja dengan jam kerja per­empuan tetapi kurang relevan. Kurva penawaran tenaga kerja me­mang membahas tentang upah dan jam kerja tetapi tidak mem­bahas spesifik tentang upah, jam kerja dan perempuan. Seharus­nya ada pembeda/pengecualian terhadap perempuan, khususnya jam kerja perempuan yang bekerja (sebagai profesi) dengan perempuan yang hanya bekerja sebagai ibu rumah tangga. Apalagi dikuatkan dari data Badan Pusat Statistik (BPS) yang menunjukkan jumlah jam kerja wanita lebih banyak dibanding jumlah jam kerja laki-laki.
PENGARUH MINAT DAN LINGKUNGAN KELUARGA TERHADAP KEPUTUSAN WANITA MUSLIM BERWIRAUSAHA
Authors: Nurudin Nurudin
Published: January 2019

Entrepreneurship is the creative and innovative ability that is used as the basis, the tips and resources to find opportunities for success. Currently, many women are moved to create a variety of businesses that can be used as a foundation of life. Entrepreneur­ship is based on interest and family environment. Interest is the source of motivation that encourages a person to do the dream. Furthermore, the business experience of the family will provide an indirect experience to a person to have an entrepreneurial interest.The purpose of this study is to determine the influence of family interest and environment on the decision of Muslim women entrepreneurship. The population in this study is all Muslim women who entrepreneurship in the Village Sukodono Bonang District Demak District with a total sample of 30 respondents. Analytical techniques in this study using multiple linear regression analysis techniques.The results showed that the interest (X1) has a significant effect on the decision of Muslim women entrepreneur­ship with p value (sig) of 0.048 below 0.05. Similarly, the family environment variable (X2) has a significant influence on the decision of Muslim women entrepreneurship, this is indicated by p value (sig) of 0.004 below 0.05.

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Kewirausahaan adalah kemampuan kreatif dan inovatif yang dijadikan dasar, kiat dan sumber daya untuk mencari peluang menuju sukses. Saat ini, wanita pun banyak yang tergerak untuk membuat berbagai macam usaha yang dapat dijadikan tumpuan hidup. Kewirausahaan dilatar belakangi oleh faktor minat dan lingkungan keluarga. Minat merupakan sumber motivasi  yang men­dorong seseorang untuk melakukan hal yang diimpikan. Selanjut­nya, pengalaman usaha dari keluarga akan memberikan peng­alaman secara tidak langsung kepada seseorang untuk me­miliki minat berwirausaha.Tujuan penelitian ini adalah untuk mengetahui pengaruh minat dan lingkungan keluarga terhadap keputusan wanita muslim berwirausaha. Populasi dalam penelitian ini adalah seluruh wanita muslim yang berwirausaha di Desa Sukodono Ke­camatan Bonang Kabupaten Demak dengan jumlah sampel se­banyak 30 responden. Teknik analisa dalam penelitian ini meng­gunakan teknik analisa regresi linier berganda. Hasil penelitian menunjukan bahwa Minat (X1) berpengaruh signifikan terhadap ke­putusan wanita muslim berwirausaha dengan dengan p value (sig) sebesar 0,048 di bawah 0,05. Begitu juga variabel lingkungan keluarga (X2) memiliki pengaruh signifikan terhadap keputusan wanita muslim berwirausaha, hal ini ditunjukkan dengan p value (sig) sebesar 0,004 di bawah 0,05.
GIS estimation of annual average soil loss rate from Hangar River watershed using RUSLE
Authors: Mustefa Mahmud , Fufa Fekadu , Takala Wakjira
Published: January 2019

Currently, soil erosion is the major environmental problem in the Blue Nile, Hangar watershed in particular. This study aimed to estimate the spatially distributed mean annual soil erosion and map the most vulnerable areas in Hangar watershed using the revised universal soil loss equation. In this model, rainfall erosivity (R-factor), soil erodibility (K-factor), slope steepness and slope length (LS-factor), vegetative cover (C-factor), and conservation practice (P-factor) were considered as the influencing factors. Maps of these factors were generated and integrated in ArcGIS and then the annual average soil erosion rate was determined. The result of the analysis showed that the amount of soil loss from the study area ranges from 1 to 500 tha−1 yr−1 with an average annual soil loss rate of 32 tha−1 yr−1. Considering contour ploughing with terracing as a fully developed watershed management, the resulting soil loss rate was reduced from 32 to 19.2 tha−1 yr−1. Hence, applying contour ploughing with terracing effectively reduces the vulnerability of the watershed by 40%. Based on the spatial vulnerability of the watershed, most critical soil erosion areas were situated in the steepest part of the watershed. The result of the study finding is helpful for stakeholders to take appropriate mitigation measures.
Modification of the Thomas model for predicting unsymmetrical breakthrough curves using an adaptive neural-based fuzzy inference system
Authors: Amiri Mohammad Javad , Khozaei Maryam , Gil Antonio
Published: January 2019

The Thomas equation is a popular model that has been widely used to predict breakthrough curves (BTCs) when describing the dynamic adsorption of different pollutants in a fixed-bed column system. However, BTCs commonly exhibit unsymmetrical patterns that cannot be predicted using empirical equations such as the Thomas model. Fortunately, adaptive neural-based fuzzy inference systems (ANFISs) can be used to model complex patterns found in adsorption processes in a fixed-bed column system. Consequently, a new hybrid model merging Thomas and an ANFIS was introduced to estimate the performance of BTCs, which were obtained for Cd(II) ion adsorption on ostrich bone ash-supported nanoscale zero-valent iron (nZVI). The results obtained showed that the fair performance of the Thomas model (NRMSE = 27.6% and Ef = 64.6%) improved to excellent (NRMSE = 3.8% and Ef = 93.8%) due to the unique strength of ANFISs in nonlinear modeling. The sensitivity analysis indicated that the initial solution pH was a more significant input variable influencing the hybrid model than the other operational factors. This approach proves the potential of this hybrid method to predict BTCs for the dynamic adsorption of Cd(II) ions by ostrich bone ash-supported nZVI particles.

This article has been made Open Access thanks to the generous support of a global network of libraries as part of the Knowledge Unlatched Select initiative.
Surface modification of date seeds (Phoenix dactylifera) using potassium hydroxide for wastewater treatment to remove azo dye
Authors: Arunachalam Abinaya , Chaudhuri Rajib Ghosh , Iype Eldhose , Prakash Kumar B. G.
Published: January 2019

In this study, a low cost carbon adsorbent was prepared from date seeds. Their surface was modified with potassium hydroxide for use as an adsorbent for the removal of synthetic dye (methyl orange (MO)) from aqueous solutions. The effects of initial MO concentration, adsorbent dosage and temperature were studied. A two-cubed (23) factorial design was carried out on the experimental data, with two replications for the process optimization. The results showed that all three factors and their interactions up to the third order were significant for the removal efficiency of MO. Maximum equilibrium adsorption capacity was 66.26 mg/g at 318 K.
UV spectroscopic properties of principal inorganic ionic species in natural waters
Authors: Birkmann Jan , Pasel Christoph , Luckas Michael , Bathen Dieter
Published: January 2019

The UV spectroscopic properties of the principal inorganic ionic species in natural waters were investigated at 25 °C in the wavelength range 195 to 280 nm. All absorbing species were identified and the corresponding molar absorptivities were determined experimentally. No cations were found to influence the UV spectrum. Relatively high molar absorptivities were observed for iodide, bromide and nitrate. The UV spectra of natural waters were calculated using the molar absorptivities and compared with observed signals from synthetic samples. This enabled the dominant components to be determined. Both bromide and nitrate have significant influence on the UV spectrum of natural waters. The study results can be used to predict the UV spectra of ionic solutions and thus evaluate the suitability of UV spectroscopy for given measurement projects.
Greywater in the drains of a sewered community in Ghana
Authors: Dwumfour-Asare Bismark , Nyarko Kwabena B. , Essandoh Helen M. K. , Awuah Esi , Anim Kofi K. A. , Quaye Archibald
Published: January 2019

With less than 5% sewerage coverage and abysmal greywater management, Ghana's environment could be highly polluted, especially water resources. The few sewered communities may be guilty of pollution from greywater discharge into stormwater drains. In this study, Asafo, Ghana, was used as a case study to assess greywater characteristics in the major drains in a sewered community. The approach involved desk study reviews and laboratory analysis of greywater samples. The findings showed some inhabitants discharge greywater into neighbourhood drains instead of sewers. Most greywater sources from reviews and sampled drains failed the discharge limits for major contaminants including turbidity (39.4–2,880 NTU), BOD5 (64–700 mg/L), COD (207–2,308 mg/L), TSS (70–4,720 mg/L), TDS (420–2,860 mg/L), nutrients – TKN, NH3-N, NO3−-N, NO2−-N (0–218.5 mg/L), total P and PO43−(1.24–26.18 mg/L), elemental species – Na, K, Mg, etc (0–1.6 mg/L), and microbiological – total and faecal coliforms, and E. coli (2.95–10.4 log CFU/100 ml). High strength greywater accounted for odour emissions where flows stagnated. Greywater characteristics are highly variable but have potential for biological treatment as the BOD5:COD ratios ≥0.5. Ghanaian greywater, including flows from a sewered community, is untreated and polluted, and our environment is unsafe.
Sistema tributário brasileiro: análise da percepção dos operadores do direito tributário à luz dos conceitos de eficiência e justiça fiscal
Authors: Felicio Raphael Maleque , Martinez Antônio Lopo
Published: January 2019

Objetivo: Analisar a percepção dos operadores do direito tributário quanto à eficiência, à equidade e à complexidade do sistema tributário brasileiro, bem como verificar se na opinião dos mesmos os tributos brasileiros causam mudanças de comportamento do contribuinte, incentivam a prática de planejamento tributário tendente a diminuir o débito tributário ou se geram desigualdade.

Metodologia: A pesquisa adotou uma abordagem quantitativa, utilizando-se de um plano de pesquisa descritivo, mediante aplicação de questionário auto administrado, de perguntas fechadas, a operadores do direito tributário brasileiro.

Resultados: Os resultados mostram que a percepção dos respondentes é de que o sistema tributário brasileiro é considerado regressivo, com forte incidência sobre o consumo, onerando os mais pobres e a classe trabalhadora; ineficiente, já que a percepção foi de que o Fisco tem se preocupado apenas com o combate à corrupção, à medida que a legislação incentiva o planejamento tributário; e complexo, tendo como principais causas a deficiência na redação da legislação e a sua contínua modificação. No geral, é unânime entre os respondentes que há uma necessidade de uma reforma global no sistema tributário nacional.

Contribuições do Estudo: Conhecer a percepção dos operadores do direito tributário brasileiro pode contribuir para a identificação de eventuais questões tributárias para além do texto escrito, que demandariam melhorias quanto aos seus efeitos e aplicabilidade, que podem ser promovidas na legislação, de modo a tornar o sistema cada vez menos complexo, mais eficiente e justo para a sociedade brasileira.
Revisitando os determinantes da distribuição de dividendos: uma análise em empresas brasileiras
Authors: Leite Maurício , Bogoni Nadia Mar , Hein Nelson
Published: January 2019

Objetivo: A presente pesquisa teve por objetivo investigar os determinantes da política de dividendos em companhias abertas brasileiras.

Metodologia: Realizou-se uma pesquisa descritiva, com abordagem quantitativa, por meio de pesquisa documental. A população da pesquisa compreendeu as empresas de capital aberto ativas na BM&FBovespa em 2017, tendo como amostra 293 empresas entre os anos de 2010 e 2016, totalizando 1.746 observações.

Resultados: Os resultados demonstraram que a rentabilidade (RENT), o tamanho da empresa (TAM) e a distribuição de dividendos no ano anterior (DIVANT) são os fatores que contribuem de forma positiva e significativa para a maior probabilidade das empresas em distribuir parte dos seus resultados em forma de dividendos, enquanto o endividamento (END) apresentou relação negativa e significativa.

Contribuições do Estudo: Este estudo traz uma importante contribuição para a expansão da literatura de finanças, especialmente no que tange a identificação dos determinantes da política de dividendos em companhias aberta brasileiras na medida em que oferece resultados empíricos passíveis de comparação e confrontamento com os resultados contraditórios encontrados na literatura revisitada contribuindo, dessa forma, para com a atual agenda de produção científica acerca desta temática.
O protesto extrajudicial como instrumento de recuperação de dívida ativa em contraposição à ação de execução fiscal
Authors: Dolfini Carlos Renato , Beiruth Aziz Xavier , Monte-mor Danilo Soares
Published: January 2019

Objetivo: O objetivo deste trabalho é apontar os elementos que influenciam a adesão ao Termo de Cooperação estabelecido entre a Procuradoria-Geral da Fazenda Nacional (PGFN) e os Tabelionatos de Protestos, por meio do Instituto de Estudos de Protesto de Títulos do Brasil (IEPTB/BR).

Metodologia: Valeu-se de estudos de características dos municípios em que os Tabelionatos estão localizados, cuja população atual é superior a 100 mil habitantes, do nível de riqueza, dos índices de desenvolvimento humano e gestão fiscal, entre outros, para avaliar os efeitos da adesão ao Convênio, como Parceria Público-Privada, sobre a média de arrecadação por ato praticado em face da recuperação da dívida ativa da União.

Resultados: Os resultados obtidos indicam que quanto maior for a população dos municípios, a existência de serventia privatizada e majoração da média de arrecadação por ato praticado, maiores são as chances de adesão ao Termo de Cooperação para Protesto das Certidões de Dívida Ativa, o que viabiliza a recuperação extrajudicial da dívida ativa e aumenta o recolhimento de impostos federais.

Contribuições do Estudo: Em razão das evidências, nos Executivos dos Estados e Municípios, implementar um modelo de cooperação mútua entre o poder público e o particular para potencializar a majoração de arrecadação por intermédio do protesto.
Ensino da contabilidade de custos em diferentes cursos de graduação sob a percepção dos discentes
Authors: Da Costa Laura Brandão , Bazani Camila Lima , Leal Edvalda Araujo , Pereira Janser Moura , Rosa Neilson Alves
Published: January 2019

Objetivo: O estudo objetivou identificar se existe diferença estatística na percepção dos alunos de diferentes cursos de graduação de uma instituição federal de ensino superior sobre o processo de ensino-aprendizagem das disciplinas na área de contabilidade de custos.

Metodologia: Aplicou-se um instrumento elaborado por Paswan e Young (2002) que analisaram características acadêmicas que influenciam a percepção dos discentes, por meio dos construtos: envolvimento do professor; envolvimento do estudante; interação estudante-professor; demandas do curso e; organização do curso em estudo. Assim, através da análise das assertivas definidas nesses construtos foi possível verificar a percepção dos alunos em relação à disciplina, ao professor e seus comportamentos. É, portanto, uma pesquisa descritiva, de abordagem quantitativa, utilizando-se de testes estatísticos e quanto aos procedimentos adotou-se o survey com aplicação de questionário.

Resultados: Foi evidenciado que mesmo analisando cursos que possuem áreas divergentes de atuação e que apresentam perfis diferentes de alunos, todos os cursos apresentaram discentes que percebem positivamente as variáveis. Destacou-se que existem problemas não só com relação às demandas de disciplinas da área de contabilidade de custos, mas também aos aspectos de dedicação dos alunos quanto ao seu envolvimento e dedicação ao estudo, ressaltando, ainda, a relutância dos discentes em assumir responsabilidades e realizar esforços. Ademais, diferenças nas percepções apontadas nos resultados indicam que, no que concerne aos construtos analisados, há necessidade do aprimoramento da educação contábil.

Contribuições do Estudo: O estudo contribui para que docentes e gestores acadêmicos tomem conhecimento de possíveis fragilidades de métodos de ensino na área analisada a fim de que ocorra orientação para melhorias no ensino, visto que é uma disciplina que está presente nas matrizes curriculares de diferentes cursos de ensino superior e com índices elevados de reprovação.
Resenha do Livro: Avaliação do desempenho de instituições públicas e privadas: análise de componentes principais e análise fatorial. Silva, M. C., & Silva, J. D. G (2017). (1a ed). Campinas, SP: Editora Alínea
Authors: Souza Fábia Jaiany Viana de
Published: January 2019

A resenha tem o objetivo de apresentar uma síntese das ideais fundamentais do livro dos Professores Maurício Corrêa da Silva e José Dionísio Gomes da Silva, ambos da Universidade Federal do Rio Grande do Norte (UFRN), lançado no final do ano de 2017, pela Editora Alínea.
Influence of organizational complexity on the measurement of the biological assets of the public listed companies of B3
Authors: Camargo Tiago Francisco de , Zanin Antônio , Moura Geovanne Dias de , Daleaste Juliano Corrêa , Bortoluzzi Citânia Aparecida Pilatti
Published: January 2019

Purpose: The research This work aimed to analyze the influence of organizational complexity on the measurement of biological assets in the public companies listed in B3.

Methodology: To do so, a descriptive, documental and quantitative research was carried out by means of a document, with data obtained through the Economática® database and also in the electronic site of B3. The sample consisted of a set of all the companies listed in B3, however, the sample refers only to the companies that have disclosed biological assets of short or long term in their statements in the balance sheet.

Results: The results show that there is an influence of the organizational complexity for the measurement of the biological assets. The multiple regression model explains that 54% of the changes in the measurement records of the companies' total biological assets can be explained by the variable Log_At total according to the predictive model: (Y = 0.654Xi + 0.281x - 0.115 xi + ei). It was verified that, although regarding the form of measurement of the biological assets, the companies of the sample revealed that 72% carry out the valuation of these based on the criteria of the discounted cash flow.

Contributions of the Study: Considering the normative nature of CPC 29 and its impacts on the criteria of evaluations of biological assets and agricultural products, the research produced a predictive model capable of explaining and clarifying that aspects of organizational complexity influence the classification of the criterion of measurement of total biological assets and the predictive model can be very useful to produce information for decision making on the aspects investigated, besides offering an additional theoretical contribution for the advancement of studies related to the identification of the organizational complexity and the criteria of measurement of the biological assets.
Política de dividendos e criação de valor: um estudo no mercado brasileiro
Authors: Silva José Erasmo , Morgan Levi , Machado Maria José de Camargo , Montebelo Maria Imaculada de Lima
Published: January 2019

Banco de dados brutos de pesquisa.
The Chemical and Morphological Study of Calcium Silicate-Based Material (Biodentine®) and Glass Ionomer Cement (GIC®)
Authors: Jalloul Darin , Al Abdullah Jamal , Alaffif Hesham
Published: January 2019

Background:

Attention was paid to the chemical properties of bioactive materials, and the reaction that could occur on their surface.

Objective:

The evaluation of the chemical properties includes the solubility, water sorption, pH changes and calcium release of two dental materials (BD and GIC). In addition, the morphological structure of each material was studied after its immersion in two different solutions,i.e.deionized water and phosphate solution.

Methods:

The chemical study was carried out for two sets of samples; 28 samples of each material. Samples were immersed in 10 mL of deionized water and stored at 37 °C for different times. The morphological structure and elemental analysis of BD and GIC samples were studied after immersion in the two solutions for 1, 7, 14 and 28 days.

Results:

Solubility of BD increased with time reaching a maximum value after 60 days (13.63 ± 2.08%). The solubility of GIC was negatively correlated with time, with a maximum value of 4.11 ± 0.47% for 3 h. The released Ca+2ions varied between 1.0 ± 0.3 mg (3 h) and 5.3 ± 0.8 mg (60 days) for BD. However, calcium was not detected in the GIC samples. The formation of calcium hydroxy-fluorapatites and strontium-fluoro-alumino-silicate, on the surface of BD and GIC, respectively, was clarified for the first time in this study.

Conclusion:

A comparative study was carried out revealing the difference in the chemical properties and the morphological structure between the two studied materials. The results confirmed the biointeractivity and the bioactivity of BD and GIC.