bluuebunny/crossref_metadata_2025_split huggingface dataset:
PENGELOMPOKKAN KUALITAS DAGING IKAN TUNA DENGAN K-MEANS BERBASIS HISTOGRAM DERAJAT KEABUAN
Authors: Pakaya Roys , Suleman Salman 
Published: November 2018

Potensi perikanan dan kelautan Gorontalo yang paling menonjol adalah ikan tuna yang merupakan hasil tangkapan nelayan. Dinas Kelautan dan Perikanan (DKP) melakukan berbagai terobosan sehingga nelayan khususnya yang menangkap ikan tuna bisa sejahtera dengan tujuan untuk meningkatkan kualitas hasil perikanan. Kualitas ikan tuna tangkapan nelayan Gorontalo memiliki kualitas dan mutu yang bagus, hal ini terlihat oleh banyaknya permintaan dari daerah tetangga. Saat ini produksi tuna hasil tangkapan nelayan di Gorontalo dikirim ke sejumlah daerah seperti Makassar, Surabaya, Jakarta, dan Bali. selanjutnya ikan tuna ini diekspor keluar negeri, hal ini disebabkan seringnya terjadi perbedaan dalam mengelompokan kualitas daging ikan tuna. Dalam mengetahui mutu dan kualitas hasil perikanan, khusunya ikan tuna dapat dilihat secara langsung. Tahapan ini dilakukan oleh seorang ahli (checker) dengan melakukan pembedahan pada ikan tuna. Ikan tuna akan dibedah menjadi empat bagian daging yaitu daging sisi kiri dan kanan. Namun dalam pengelompokkan mutu dan kualitas daging ikan tuna dengan menggunakan cara ini sering terjadi banyak kesalahan.
Pada penelitian ini penulis menggunakan metode clustering K-Means berbasis histogram derajat keabuan untuk menyelesaikan masalah dalam pengelompokan kualitas daging ikan tuna. Hasil clustring terbaik diperoleh 3 kelompok kualitas daging ikan tuna yaitu Cluster A, Cluster B, Cluster C.
FIKSASI KITOSAN PADA KAIN KATUN SEBAGAI ANTIBAKTERI
Authors: Winiati Wiwin , Kasipah Cica , Yulina Rizka , Wahyudi Tatang , Mulyawan Agus Surya , Septiani Wulan 
Published: November 2018

Tujuan penelitian adalah mendapatkan metode fiksasi/pembubuhan kitosan pada kain katun untuk memperoleh kain katun yang bersifat antibakteri, penelitian dilakukan dilaboratorium dan selanjutnya metoda yang ditemukan di uji-coba dengan skala pilot di industri tekstil. Pada penelitian ini fiksasi kitosan pada kain katun dilakukan dengan metoda kimia, yaitu modifikasi kovalen pada serat kapas yang merupakan serat selulosa dengan pembentukan gugus aldehida yang akan berikatan dengan gugus amina pada kitosan yang dilakukan dengan cara perendaman. Hasil penelitian menunjukkan bahwa proses oksidasi selulosa pada kain katun hingga memiliki gugus aldehida yang kemudian berikatan dengan gugus amina pada kitosan telah menghasilkan fiksasi kitosan pada kain katun, sehingga memberikan sifat antibakteri pada kain katun. Penggunaan kitosan dengan BM 171.790 Da sebagai zat antibakteri pada kain katun telah menghasilkan kain katun antibakteri yang memiliki ketahanan terhadap proses pencucian, dan pemanasan (setrika), tidak menurunkan parameter kualitas tekstilnya seperti kekuatan dan kenampakannya, serta cocok (compatible) dengan zat-zat kimia tekstil yang digunakan pada proses tekstil yaitu proses pencelupan. Hasil percobaan pembuatan kain katun antibakteri di laboratorium, telah diaplikasikan di industri dan memberikan hasil yang baik.
STUDI MUTU KAIN KERUDUNG HASIL PRODUKSI DI JAWA BARAT
Authors: Widiana Ineu , Marlina Rini 
Published: November 2018

Penelitian ini bertujuan untuk mengkaji mutu kain kerudung hasil produksi di Jawa Barat. Pengambilan sampel dilakukan di daerah-daerah yang menjadi sentra kerudung di Jawa Barat, diantaranya : Cicalengka, Soreang dan Bandung sebanyak 50 sampel terdiri dari 25 kerudung tenun dan 25 kerudung rajut. Selain itu pengambilan sampel dilakukan juga terhadap kerudung impor dari China sebanyak 10 sampel terdiri dari 5 kerudung tenun dan 5 kerudung rajut. Data yang diperoleh dari hasil pengujian dianalisa secara deskriptif, kemudian dibandingkan dengan standar internasional produk sejenis yang berlaku, yaitu: ASTM D 3785-02, Standard performance specification for woven necktie and scarf fabrics dan ASTM D 4035-02, Standard performance specification for knitted necktie and scarf fabrics. Berdasarkan hasil pengujian terhadap sampel-sampel tersebut, diketahui bahwa hasil uji sifat fisik serta ketahanan luntur warna kerudung hasil produksi di Jawa Barat memiliki nilai yang memenuhi persyaratan pada ASTM D 3785-02 dan ASTM D 4035-02, yaitu : kekuatan tarik sebanyak 84% sampel, kekuatan sobek sebanyak 100% sampel, kekuatan jebol sebanyak 100% sampel, kenampakan kain setelah pencucian berulang sebanyak 96% sampel kerudung tenun & 100% sampel kerudung rajut, perubahan dimensi pada pencucian dan pengeringan sebanyak 92% sampel kerudung tenun dan 88% sampel kerudung rajut, dan ketahanan luntur warna (pencucian, pencucian kering, keringat, ludah, gosokan dan sinar) sebanyak 100% sampel. Kekuatan kain dan perubahan dimensi yang tidak memenuhi mutu standar, disebabkan pengaruh konstruksi kain, desain dan jenis serat. Namun seluruh sampel mempunyai ketahanan luntur warna yang baik terhadap pencucian, pencucian kering, keringat, ludah, gosokan dan sinar.
Biyoloji Proje Çalışmalarının Üstün Zekâlı ve Yetenekli Öğrencilerin Bilimsel Tutumlarına Etkisi
Authors: OZARSLAN Murat 
Published: November 2018

Bu çalışmanın amacı,
biyoloji proje çalışmalarının üstün zekâlı ve yetenekli öğrencilerin bilimsel
tutumlarına etkisini belirlemektir. Çalışmada kontrol grupsuz öntest-sontest
deneysel desen uygulanmış, nitel ve nicel veri toplama araçları beraber
kullanılmıştır. Çalışma, 2012-2013 eğitim-öğretim yılı güz döneminde Marmara
Bölgesi’nde bulunan iki (Bilim ve Sanat Merkez) BİLSEM’e devam eden ve biyoloji
proje çalışması gerçekleştiren 46 üstün zekalı ve yetenekli öğrenci ile
gerçekleştirilmiştir. Veriler, öntest-sontest olarak Bilimsel Tutum Ölçeği ve
proje sonrasında ise Yarı Yapılandırılmış Görüşme Formu ile toplanmıştır.
Çalışmada nicel verilerin analizi SPSS 20 paket programı yardımıyla Wilcoxon
İşaretli Sıralar Testi ve betimsel analiz istatiksel yöntemleri ile
yapılmıştır. Nitel veriler içerik analiz yöntemi ile analiz edilmiştir.
Araştırma sonuçlarında, öğrencilerin hem öntest ve
sontest puanlarına göre bilimsel tutumlarının yüksek düzeyde olduğu
belirlenmiştir. Biyoloji proje çalışmalarının öğrencilerin bilimsel tutumlarına
istatiksel olarak anlamlı bir etkisinin olmadığı tespit edilmiştir. Ayrıca
öğrencilerin, BİLSEM’de biyoloji projelerinin yapıldığı mekânın yetersizliği, malzeme ve araç gereçlerin temini ve kullanımı
konularında sorunlar yaşadığı, proje tamamlama süresinin yetersizliği olduğu, orijinal ve özgün proje konusu bulmakta
zorlandığı belirlenmiştir.The purpose of this study is to determine the impact of biology project work on the scientific attitudes of gifted and talented students. This study was composed of pre-test and post-test experimental research design without control group. Quantitative and qualitative research methods have been used for collecting data in the study. It was conducted with 46 gifted and talented students who were registered at two different centre of BİLSEM (Science and Art Centre) in the Marmara Region, and who carried out biology project work during the autumn semester of 2012-2013 academic year. Data was collected using pre-test and post-test research model and Scientific Attitude Scale. Semi-structured Interview Form was used after the project. Wilcoxon Signed Ranks Test and descriptive analysis statistical methods were used to analyse the quantitative data of the study with the help of SPSS 20 software program. Qualitative data was analysed using content analysis method. The results of our study revealed that both of the pre-test and post-test scores of scientific attitudes of the students were high. It is also understood that biology project work did not show any statistically significant effect on the scientific attitudes of the students. In addition, it has been determined that the students experience several problems at BİSEM, such as inadequate study space for the biology projects, insufficient supply and use of materials and equipment, limited project completion period, the difficulty in finding the original and unique project topics.
ANALISA PERBANDINGAN DALAM RANGKA PEMILIHAN BEBERAPA IP UPSTREAM PROVIDER DI PT. INDOSAT
Authors: Anwar Yuli , . Dahlar 
Published: November 2018

Abstract. One of the advances in information technology that now has changed the outlook and human life, business process and business strategy of an institution is the internet. The internet is a very large networks that connected to computers and serves throughout the world in one centralized network. With the internet we can access data and information anytime and anywhere. As one provider of high-speed data communications services and the pioneer of the internet network service provider in Indonesia that provides integrated services, as well as one of the pioneer development of internet services that provide extensive services in the building and apply it throughout Indonesia. Indosat ready to seize opportunities for sustainable growth of business spectrum are still sprawling Indonesia. Therefore, Indosat continues to focus on the development of increased efforts to provide the best service for customers of Indosat. Indosat will continue to develop and expand network coverage and a larger investment that the company will achieve excellence in the field of integrated telecommunications services. Ranking by region of the IP Providers can be seen by grouping IP Providers, and management over IP Providers prefer to choose providers based on where it orginates as an example for the region of the U.S if it will be preferred providers that come from U.S. providers.With the commencement of the internet network optimization start early in 2008 with the selection of the appropriate IP Upstream Provider criteria, it is up to date according to data obtained from Indosat, seen any significant changes to the cost of purchasing capacity of the IP Upstream. Based on the data obtained that until Q3 or September 2008, the number of IP Upstream Providers that previously there were 20 to 10 IP Upstream Provider, IP Transit Price total decrease of 11% to the price of IP Transit Price / Mbps there is a decrease of 78%, while from the capacity bandwith an increase of 301% capacity from 2008.
1D Kinematics from Stars and Ionized Gas at z ∼ 0.8 from the LEGA-C Spectroscopic Survey of Massive Galaxies
Authors: Bezanson Rachel , van der Wel Arjen , Straatman Caroline , Pacifici Camilla , Wu Po-Feng , Barišić Ivana , Bell Eric F. , Conroy Charlie , D’Eugenio Francesco , Franx Marijn , Gallazzi Anna , van Houdt Josha , Maseda Michael V. , Muzzin Adam , van de Sande Jesse , Sobral David , Spilker Justin 
Published: November 2018

Abstract
We present a comparison of the observed, spatially integrated stellar and ionized gas velocity dispersions of ∼1000 massive (

) galaxies in the Large Early Galaxy Astrophysics Census survey at 0.6 ≲ z ≲ 1.0. The high S/N ∼ 20 Å−1 afforded by 20 hr Very Large Telescope/Visible Multi-Object Spectrograph spectra allows for joint modeling of the stellar continuum and emission lines in all galaxies, spanning the full range of galaxy colors and morphologies. These observed integrated velocity dispersions (denoted as

and

) are related to the intrinsic velocity dispersions of ionized gas or stars, but also include rotational motions through beam smearing and spectral extraction. We find good average agreement between observed velocity dispersions, with

. This result does not depend strongly on stellar population, structural properties, or alignment with respect to the slit. However, in all regimes we find significant scatter between

and

, with an overall scatter of 0.13 dex of which 0.05 dex is due to observational uncertainties. For an individual galaxy, the scatter between

and

translates to an additional uncertainty of ∼0.24 dex on dynamical mass derived from

, on top of measurement errors and uncertainties from Virial constant or size estimates. We measure the z ∼ 0.8 stellar mass Faber–Jackson relation and demonstrate that emission line widths can be used to measure scaling relations. However, these relations will exhibit increased scatter and slopes that are artificially steepened by selecting on subsets of galaxies with progressively brighter emission lines.
On local anesthetic action of some dimethylacetamide compounds
Authors: Novikov Andrei V. , Blinova Ekaterina V. , Semeleva Elena V. , Karakhanjan Karina M. , Mironov Mikhail A. , Blinov Dmirty S. , Krainova Yuliya S. , Pakhomov Dmitry V. , Vasilkina Olga V. , Samishina Elena A. 
Published: November 2018

The study aim was to explore local anesthetic properties of some tertiary and quaternary derivatives of dimethylacetamide. Materials and methods. The study was performed on white laboratory mice and rats of both sexes, male Agouti guinea pigs, and isolated sciatic nerves of lake frog. In the focus of the study there were two quaternary and eight tertiary compounds of dimethylacetamide with substituted anion with some amino and carbonic acids residue. A local anesthetic property was predicted by computational analysis. Acute toxicity of the most promising substances was studied in mice through subcutaneous route. Local anesthetic activity of tertiary compounds LKhT-3-00, LKhT-4-00 and quaternary LKhT-12-02 was studied on models of terminal, infiltration and conduction anesthesia. The influence of substances on mixed nerve conduction was investigated on lake frog’s isolated sciatic nerves. Results and discussion. The greatest probability of the local anesthetic activity during computational analysis was estimated for the tertiary derivatives of dimethylacetamide LKhT-3-00 and LKhT-4-00 and for the quaternary compound LKhT-12-02. According to their toxicological profile, the compounds belong to moderately toxic substances (class 3). On the model of terminal and infiltration anesthesia, substances LKhT-3-00 and LKhT-4-00 at concentrations of 0.5-1% rapidly cause deep and prolonged anesthesia. On the models of conduction anesthesia, the quaternary derivative of dimethylacetamide LKhT-12-02 has the greatest analgesic effect. The duration of the effect of the substance is over 3 hours. All the investigated compounds block sciatic nerve conduction. The longest effect is registered for LKhT-12-02. Conclusions. Dimethylacetamide derivatives at concentrations of 0.5-1.0% exhibit a local anesthetic activity, and are effective for terminal, conduction and infiltration anesthesia. Their effect is due to blockade of nerve conduction.
Exploring the concerns of persons with disabilities in Western Zambia
Authors: Cleaver Shaun , Polatajko Helene , Bond Virginia , Magalhães Lilian , Nixon Stephanie 
Published: November 2018

Background: Understandings of disability are rooted in contexts. Despite the world’s significant contextual diversity, postcolonial power dynamics allow influential actors from the global North to imagine that most people across the global South understand disability in one generalised way. When it informs programmes and services for persons with disabilities in the global South, this imagining of a single generalised view could reduce effectiveness while further marginalising the people for whom the programmes and services were designed.Objectives: In the interest of better understanding a contextually grounded meaning of disability, we explored the expressed concerns of two organisations of persons with disabilities and their members in Western Zambia.Method: In this qualitative constructionist study, data collection focused upon life with a disability and services available to persons with disabilities. Data were collected through 39 individual interviews and eight focus group discussions with 81 members of organisations of persons with disabilities. Data were analysed thematically.Results: The participants’ main expressed concern was poverty. This concern was articulated in terms of a life of suffering and a need for material resources. Participants linked poverty to disability in two ways. Some participants identified how impairments limited resource acquisition, resulting in suffering. Others considered poverty to be an integral part of the experience of disability.Conclusion: This study contributes to literature on disability theory by providing a contextually grounded account of a particular understanding of disability and poverty. The study also contributes to disability practice and policymaking through the demonstration of poverty as the main concern of persons with disabilities in this context.
Esportividade, melancolia, nacionalismo e deficiência: a cobertura fotográfica dos jogos paralímpicos pelas lentes da Folha de São Paulo (1992 – 2016)
Authors: Dos Santos Silvan Menezes , Fermino Antonio Luis , Quaranta André Marsiglia , Souza Doralice Lange de 
Published: November 2018

Esta pesquisa teve como objetivo caracterizar a representação imagética do esporte e dos atletas paraolímpicos na cobertura fotográfica do jornal Folha de São Paulo durante a realização dos Jogos Paralímpicos no período de 1992 a 2016. O estudo foi de cunho quanti-qualitativo, descritivo e exploratório e se baseou na teoria do enquadramento. Houve um aumento no número de fotografias publicadas no decorrer dos anos, sendo que algumas das características principais das fotos são: esportividade dos atletas; melancolia associada à deficiência; promoção de nacionalismo; e espetacularização do grotesco e do ciborgue. O caráter polissêmico das representações propagadas nas fotografias revela algumas das complexidades envolvidas nas formas de se conceber atletas com deficiência e a necessidade de se melhor qualificar a mídia para futuras coberturas do esporte paralímpico.
All that glitters is not gold: sacroiliitis
Authors: Tarantino Alfredo , Jablonska Justyna Paulina , D’Aprile Paola 
Published: November 2018

ObjectivesThe aim of this study was to determine the prevalence of „rheumatic” and „non-rheumatic” changes of the sacro-iliac joints (SIJ).Material and methodsWe performed MRI in 210 patients with suspected inflammatory low back pain. We sorted and analysed the characteristics of sacroiliac bone lesions in „rheumatic” and „non-rheumatic” patients and assessed the diagnostic values of their extent and location. SIJ lesions were classified on the basis of their location into two categories: unilateral and bilateral. Their extent was then measured and assigned to one of two groups: <1 cm or ≥ 1 cm.ResultsIn 45 cases (21%), the MRI findings matched the clinical diagnosis of „rheumatic” sacroiliitis. Interestingly, in 99 cases (47%) the SIJ changes were classified as „non-rheumatic”. L5–S1 degenerative changes, scoliosis and pelvic asymmetry were most frequently encountered as concomitant phenomena in our study.ConclusionsMRI of the sacroiliac joints in patients suspected of inflammatory low back pain demonstrated more often “non-rheumatic” changes.
Mg ∕ Ca and &lt;i xmlns=&quot;&quot;&gt;δ&lt;/i&gt;&lt;sup&gt;18&lt;/sup&gt;O in living planktic foraminifers from the Caribbean, Gulf of Mexico and Florida Straits
Authors: Jentzen Anna , Nürnberg Dirk , Hathorne Ed C. , Schönfeld Joachim 
Published: November 2018

Abstract. Past ocean temperatures and salinities can be approximated from
combined stable oxygen isotopes (δ18O) and
Mg ∕ Ca measurements in fossil foraminiferal tests with
varying success. To further refine this approach, we collected living
planktic foraminifers by net sampling and pumping of sea surface water from
the Caribbean Sea, the eastern Gulf of Mexico and the Florida Straits. Analyses
of δ18O and Mg ∕ Ca in eight living planktic
species (Globigerinoides sacculifer, Orbulina universa,
Neogloboquadrina dutertrei, Pulleniatina obliquiloculata,
Globorotalia menardii, Globorotalia ungulata,
Globorotalia truncatulinoides and Globorotalia tumida) were
compared to measured in situ properties of the ambient seawater (temperature,
salinity and δ18Oseawater) and fossil tests of
underlying surface sediments. “Vital effects” such as symbiont activity and
test growth cause δ18O disequilibria with respect to the
ambient seawater and a large scatter in foraminiferal
Mg ∕ Ca. Overall, ocean temperature is the most prominent
environmental influence on δ18Ocalcite and
Mg ∕ Ca. Enrichment of the heavier 18O isotope in
living specimens below the mixed layer and in fossil tests is clearly
related to lowered in situ temperatures and gametogenic calcification.
Mg ∕ Ca-based temperature estimates of
G. sacculifer indicate seasonal maximum accumulation rates on the
seafloor in early spring (March) at Caribbean stations and later in the year
(May) in the Florida Straits, related to the respective mixed layer
temperatures of ∼26 ∘C. Notably, G. sacculifer
reveals a weak positive linear relationship between foraminiferal derived
δ18Oseawater estimates and both measured in situ
δ18Oseawater and salinity. Our results affirm the
applicability of existing δ18O and Mg ∕ Ca
calibrations for the reconstruction of past ocean temperatures and
δ18Oseawater reflecting salinity due to the
convincing accordance of proxy data in both living and fossil foraminifers,
and in situ environmental parameters. Large vital effects and seasonally
varying proxy signals, however, need to be taken into account.
What can seabirds tell us about the tide?
Authors: Cooper Matthew , Bishop Charles , Lewis Matthew , Bowers David , Bolton Mark , Owen Ellie , Dodd Stephen 
Published: November 2018

Abstract. Small global positioning system (GPS) trackers are now routinely used to
study the movement and behaviour of birds at sea. If the birds rest on the
water they become “drifters of opportunity” and can be used to give information
about surface currents. In this paper, we use a small data set from
satellite-tracked razorbills (Alca torda) in the Irish Sea to test
the potential of this idea for measuring tidal currents. Razorbills regularly
rest on the sea overnight and their tracks at this time are consistent with
their drifting with the tidal flows and changing direction as the flood turns
to ebb and vice versa. Data from 4 years (2011–2014) have been
binned in a geographical grid and analysed to give the variation of current
over a mean tidal cycle in each grid element. A map of maximum current speed
is consistent with a numerical model of the tidal currents in the region. The
root mean square difference between observed maximum speed and that predicted
by the model is 0.15 m s−1, about 15 % of typical current speeds in
the area. The divergence between bird-track speed and model prediction
increases in regions of the fastest tidal currents. The method clearly has its
limitations, but the results of this study show that tagged birds resting on
the sea have potential to provide relatively inexpensive quantitative
information about surface tidal currents over an extended geographical area.
La universidad y la efectividad del desarrollo comunitario: La promoción de la apropiación comunitaria en las Regiones Autónomas de Nicaragua
Authors: Saballos Velázquez José Luis 
Published: November 2018

En más de 65 años de teorización y práctica, el desarrollo ha constituido uno de los conceptos más controvertidos y esquivos en su realización. Inicialmente, se consideraba que el desarrollo económico guiado por el libre mercado o el Estado, produciría una serie de beneficios que se distribuirían en cascada a todos los miembros de la sociedad, generando modernidad, el florecimiento de la democracia y un estado general de bienestar social. La imposibilidad de un rápido, significativo, equitativo y sostenido alivio de la pobreza ha replanteado en años recientes el poder que tiene la colectividad, los lazos afectivos y la identidad para un desarrollo inclusivo. Este trabajo resulta de una investigación doctoral en el campo de los estudios de desarrollo, que ha centrado su análisis en la apropiación comunitaria como una variable clave para determinar la efectividad de los procesos de acompañamiento al desarrollo comunitario. Basada en un estudio de casos múltiples (comunidades de Tuara, Españolina y El Carao), esta tesis doctoral resulta principalmente en una propuesta de modelo conceptual y metodológico de acompañamiento a la apropiación comunitaria, a partir de las perspectivas de la agencia colectiva, capital social y participación.