475 research outputs found
UPAYA MENINGKATKAN KEMAMPUAN MENULIS KARANGAN PERSUASI DENGAN MENGGUNAKAN METODE PETA PIKIRAN (MIND MAPPING):Penelitian Tindakan Kelas pada Siswa Kelas X-E MAS Sirnamiskin Bandung Tahun Pelajaran 2014-2015
Penelitian ini dilakukan dengan tujuan meningkatkan kemampuan menulis karangan persuasi siswa menggunakan metode mind mapping (peta pikiran). Metode yang digunakan yakni Penelitian Tindakan Kelas (PTK). Permasalahan yang ditemukan dalam pembelajaran menulis karangan persuasi di kelas X-E MAS Sirnamiskin Bandung yaitu pembelajaran di kelas siswa kurang bisa memngembangkan ide dari pendapat mereka agar menjadi karangan persuasi yang baik. Karangan persuasi yang isinya dapat mempengaruhi pembaca serta tulisannya dapat mengispirasi pembaca. Penggunaan metode pembelajaran yang digunakan oleh guru juga tidak bisa menumbuhkan minat siswa untuk menulis karangan persuasi. Rumusan Masalah pada penelitian ini adalah untuk mengetahui perencanaan, pelaksanaan, dan hasil pembelajaran menulis karangan persuasi menggunakan metode mind mapping (peta pikiran) di kelas X-E MAS Sirnamiskin Bandung. 1) perencanaan pembelajaran menulis karangan persuasi dilakukan peneliti dengan menyusun RPP menulis karangan persuasi menggunakan metode mind mapping (peta pikiran). 2) pelaksanaan penelitian ini dilakukan dalam tiga siklus, berdasarkan lembar observasi guru pada siklus 1 masih ada kekurangan dari belajar mengajarnya dan hasil menulis karanagn persuasi isi dari karangan masih belum bisa menumbuhkan kepercayaan pembaca serta tema yang digunakan masih terlalu luas, pada siklus 2 kendala-kendala berkurang tetapi masih belum memuaskan peneliti dengan hasil menulis karangan persuasi, namun dapat diperbaiki di siklus 3. 3) hasil tindakan yang didapatkan pada siklus 1 rata-rata nilai yang dikategorikan ialah 52,8, sedangkan pada siklus 2 ialah 63,6. Kemampuan menulis cerita pendek siswa pada siklus 3 ini mengalami peningkatan yang baik, rata-rata nilainya adalah 75,9. Hal ini menunjukkan bahwa metode mind mapping (peta pikiran) dapat diterapkan dalam pembelajaran menulis karangan persuasi.---------- The study conducted to aim in increasing student writing ability of persuasive text using mind mapping method (peta pikiran). The method was used a Classroom Action Research (PTK). The problem was found out in learning writing of persuasive text at the first grade students of “E” MAS Sirnamiskin Bandung that while at learning process in the class, the students can not develop ideas from their opinions so that it could be the persuasive text better. The content of persuasive text can influence the reader and his writing can inspire them. The use of learning method implemented by teacher can not grow up sudents’ motivation to writing persuasive text. The statement of the problem in this study is how to plan, conduct, and evaluate the students’ learning in writing of persuasive text using mind mapping method (peta pikiran) at the first grade students of “E” MAS Sirnamiskin Bandung. 1) The planning of learning writing of persuasive text conducted the researcher by producing lesson plan in writing of persuasive text using mind mapping method. 2) The conducting of the research implemented in three cycles, based on the teacher observation sheet in the first cycle there were many lacks especially in the students’ learning because it can be proved by the less in encouraging the reader confident and theme used still large, too, in the second cycle the students’ problems decreased but their result in writing of persuasive text was still unsatisfied the researcher but it can be solved in the third cycle. 3) The teaching action result obtained in the first cycle had been categorized with the score average is 52,8, while in the second cycle is 63,6. Writing students’ ability of short story in the third cycle has increased as well, the score average is 75,9. So, It has been shown that mind mapping method (peta pikiran) can be applied in learning writing persuasive text
DESIGNING AN EDNA ASSAY FOR RIVER OTTER (LONTRA CANADENSIS) DETECTION IN STREAMS
Environmental DNA (eDNA) is a highly promising field of survey science that hasn’t been fully explored on mammalian species. The river otter species (Lontra canadensis), is a prime candidate for testing eDNA’s uses and limitations with mammals. An eDNA primer was therefore designed that fully amplifies river otter DNA, but does not amplify any other species, including closely related ones . Candidate primer sets were generated using the computer programs BioEdit 7.2.5 , Mega6 , eprimer3 , and Life Technologies. Once primer set possibilities were identified, those with the most base pair differences in non-target species were selected and purchased. Then, using qPCR techniques, two primer sets (OTTER_2 and OTTER_3) were tested against thirteen target DNA samples and seventeen varying non-targets. The primers were effective in amplifying all target species, but also amplified many non-target species in later PCR cycles. Hence, an internal probe was additionally designed to add specificity for the OTTER_2 primer set. The probe was not as effective as decreasing non-target amplification as hypothesized, which lead to the prediction that the samples themselves may have been contaminated with river otter DNA. To test this, the non-targets that amplified despite the additional probe were re-extracted and run through qPCR with the OTTER_2 primer set. Any amplified results will be sequenced. If sequenced results produces otter DNA, the samples are contaminated and not indicative of assay specificity, if it produces non-target DNA, then the assay must be redesigned. It is the eventual goal to use this assay in management scenarios
Biquad Based on a Generalized Divider Structure
The paper deals with the biquad based on a generalized divider structure. This principle can be considered as an effective way of universal filter and equalizers synthesis, which easily realizes any general transfer function. An attention is devoted to the derivation of optimum design conditions. As shown, these conditions strongly depend on the amplifier type used. The results obtained are illustrated by some design examples
Stacked Convolutional and Recurrent Neural Networks for Music Emotion Recognition
This paper studies the emotion recognition from musical tracks in the
2-dimensional valence-arousal (V-A) emotional space. We propose a method based
on convolutional (CNN) and recurrent neural networks (RNN), having
significantly fewer parameters compared with the state-of-the-art method for
the same task. We utilize one CNN layer followed by two branches of RNNs
trained separately for arousal and valence. The method was evaluated using the
'MediaEval2015 emotion in music' dataset. We achieved an RMSE of 0.202 for
arousal and 0.268 for valence, which is the best result reported on this
dataset.Comment: Accepted for Sound and Music Computing (SMC 2017
The Influence of Employee Competence, Work Environment, Information Technology and Work Motivation on Archive Management
This research is motivated by the storage of archives that are not all in place, and there is still a build-up of archives next to the table or under the table. No special care is taken of the archives that are stored only when there is a rearrangement of the room, and the archives will be cleaned sober. This research was conducted with the aim of 1) Analyzing the influence of employee competence on Records Management; 2) Analyzing the influence of the work environment on Records Management; 3) Analyzing the influence of information technology on Records Management; 4) Analyzing the effect of work motivation on Records Management; 5) Analyze the effect of employee competence on employee work motivation; 6) Analyze the influence of the environment on employee work motivation; 7) Analyze the influence of information technology on employee work motivation. The population is employees of the Ministry of Religious Affairs of Kerinci Regency, with 43 respondents with saturated sampling techniques. The data analysis technique used in this study is quantitative analysis. The data collected in this study were taken from two sources, namely primary and secondary data. Hypothesis testing in this study was carried out by path analysis. Based on the results of the analysis and discussion, it is known that: 1) Employee competence has a significant effect on Archives Management; 2) Work environment has a significant effect on Archive Management; 3) Information technology has a significant effect on Archives Management; 4) Work automation has a significant effect on Archives Management; significant to Records Management; 5) Employee competence has a significant effect on employee work motivation; 6) Environment has a significant effect on employee work motivation; 7) Information technology has a significant effect on employee work motivation.
Reflective practice in portfolio development: Perceptions of fourth-year nursing students at the University of the Western Cape
Magister Curationis - MCurBackground: At the School of Nursing (SoN) of the University of the Western Cape (UWC) students (usually across all levels) carry out reflective practice when they compile a portfolio of evidence (PoE) to be submitted at the end of each semester. This contributes to their formative assessment. The PoE is a great assessment tool, although for various reasons it is often completed late by the students. Registered fourth-year nursing students were the sample population, because they have been actively involved in reflective practice through the process of compiling a PoE towards the end of every semester, and they have been doing this since their first year. In order to accomplish safe clinical judgements, nurses must be encouraged to become analytical and critical thinkers. Development of a PoE while reflecting on their clinical experiences is one of the strategies that can be used to enhance analytical and critical thinking among the students. Also, these learners carried out reflective practice, mostly on clinical activities that they were exposed to, and the PoE requirements and evidence are mostly clinically inclined (for example, incidents that they encountered, record of attendance at the clinical facilities). How the students perceive this process is important if they are to be encouraged to do reflective practice. Compilation of a PoE at an SoN of a university in the Western Cape requires and comprises a record of evidence that the learners put together and thereafter reflect upon.
Objective: To describe the perceptions of fourth-year nursing students regarding reflective practice when compiling their PoE.
Method: A qualitative design was used to explore the perceptions of registered fourth-year nursing students regarding their reflective practice when compiling their PoE. A purposive sampling method was employed, and three focus group discussion (FGD) sessions were held consisting of 6-8 participants per group. Data saturation was achieved at the third session. Tesch‟s method of data analysis was used. Ethical considerations were employed through the informed consent process, confidentiality, dependability, credibility of participants and appropriate handling and storage of the collected data and the tape recorder.
Results: The results of this study show that through reflection the learners gained experience and professionalism from incidents that occurred and activities expected of them, mainly at the hospitals and classroom. Participants reflected on both good and bad experiences, and saw them as challenges preparing them for the future, bearing in mind that they had just about a month until commencing their Community Service Programme. For some of the participants the compilation of the PoE was a great teaching and learning strategy, as learning gaps were identified and it helped them improve their record-keeping and organisational skills
Using several data sources for offshore wind resource assessment.
The knowledge of wind resource is essential to the sitting of a wind farm. This is crucial especially in coastal areas where installation of windmills is more costly than onshore. More accurate estimation of the resource is necessary to preserve the confidence of investors and reduce the cost of production. Nowadays, the resource is evaluated by interpolation of discrete measurements but offshore measurements are rare and very costly (750,000 euros for an offshore mast) [1]. In addition, coastal wind distribution is characterised by large spatial variations, which are not represented by local measurements. Several studies demonstrated the potentials of using satellite images to map the wind field at sea surface. However, [3] and [4] show the limitations of the use of only one source of data. These limitations are caused by either low spatial resolution of data or localisation far away from coast or too low numbers of measurements for a given site. One solution is to merge al! available data to get a more accurate estimation of wind resource [4]. Satellite data have different spatial resolutions, localisations and temporal sampling. These differences impose constraints to the fusion method. In order to work out a data fusion method and evaluate it, it is necessary to study these constraints and their impacts. This paper gives an overview of various available offshore wind data. They are obtained by an appropriate processing of observations of the sea surface performed by spaceborne radars. We study the characteristics of the various data sets, namely, spatial and temporal coverage, spatial and temporal sampling, data support and accuracy. Finally, we discuss the design of a fusion algorithm
Satellite data for high resolution offshore wind resource mapping: A data fusion approach
International audienceWind resource mapping needs accurate high spatial and temporal resolutions wind measurements. Offshore, satellite data are an accurate and economic way to access wind measurements. Previous studies showed the capabilities of some remote sensing instruments to measure the wind. Synthetic aperture radars (SAR) have a high spatial resolution but are associated to a low temporal repetitiveness, preventing resource assessment reliability due to the small number of samples. Scatterometers have a sufficient temporal repetitiveness for assessment reliability but have a low spatial resolution (25 km). In this paper we apply a data fusion method to these different datasets. The fusion of scatterometer and SAR data sets results on a synthetic data set having the high spatial resolution of SAR measurements and the temporal repetitiveness of scatterometer measurements. This synthetic data set, having high spatial resolution, can be used to assess the resource at a high spatial resolution. It meets the requirements of the computation of wind statistics
Development of amperometric biosensor with cyclopentadienylruthenium (II) thiolato schiff base self-assembled monolayer (SAM) on gold
Magister Scientiae - MScA novel cyclopentadienylruthenium(II) thiolato Schiff base, [Ru(SC6H4NC(H)C6H4OCH2CH2SMe)(η5-C2H5]2 was synthesized and deposited as a selfassembled monolayer (SAM) on a gold electrode. Effective electronic communication between the Ru(II) centers and the gold electrode was established by electrostatically cycling the Shiff base-doped gold electrode in 0.1 M NaOH from -200 mV to +600 mV. The SAMmodified gold electrode (Au/SAM) exhibited quasi-reversible electrochemistry. The integrity of this electro-catalytic SAM, with respect to its ability to block and electro-catalyze certain Faradaic processes, was interrogated using Cyclic and Osteryoung Square Wave voltammetric experiments. The formal potential, E0', varied with pH to give a slope of about - 34 mV pH-1. The surface concentration, Γ, of the ruthenium redox centers was found to be 1.591 x 10-11 mol cm-2. By electrostatically doping the Au/SAM/Horseradish peroxidase at an applied potential of +700 mV vs Ag/AgCl, a biosensor was produced for the amperometric analysis of hydrogen peroxide, cumene hydroperoxide and tert-butylhydroperoxide. The electrocatalytic-type biosensors displayed typical Michaelis-Menten kinetics with their limits of detection of 6.45 M, 6.92 M and 7.01 M for hydrogen peroxide, cumene hydroperoxide and tert-butylhydroperoxide respectively.South Afric
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