32 research outputs found
The effectiveness of using cartoon movie to teach english vocabulary in jun6ior high school
Kosa kata bahasa Inggris adalah salah satu komponen bahasa yang harus dikuasai oleh para siswa dan merupakan dasar pelajaran untuk mempelajari bahasa Inggris dengan baik. Belajar kosa kata sangat penting karena jika kita akan belajar berbicara dan menulis kita harus tahu kosa kata terlebih dahulu.
Penelitian ini bertujuan untuk mengetahui apakah ada kosa kata bahasa Inggris dari siswa kelas tujuh di SMP N 3 Tambakromo Pati pada tahun ajaran 2018/2019 sebelum dan sesudah diajar dengan menggunakan film kartun.
Penelitian ini merupakan penelitian eksperiman khususnya penelitian tak benar.Penulis melakukan uji coba sebelum melakukan pre-test kemudian dilanjutkan dengan pemberian latihan, dan post-test.Populasi yang digunakan adalah semua kelas VII dan sampelnya kelas VII A. Setelah melakukan 3 tahapan tes, kemudian penulis memberi nilai pada masing-masing tes.
Hasil dari penelitian ini menunjukkan bahwa reliabiliti untuk uji coba adalah 0,461 dan termasuk standar. Nilai tertinggi hasil pre-test 85, nilai terendah 20, standar deviasi 14,85 dan nilai rata-rata 50,08. Sedangkan nilai tertinggi post test 95, nilai terendah 55, standar deviasi 8,89 dan nilai rata-rata 71,7. Dengan demikian nilai to 11,2 dengan tingkat signifikan 0,05, degree of freedom (df) 24, dan t-table 2,064. Sehingga t-observasi lebih besar daripada t-table. Hal ini menunjukkan adanya perbedaan signifikan dari siswa kelas tujuh SMP N 3 Tambakromo tahun ajaran 2018/2019 sebelum dan sesudah diajar menggunakan film kartun. Berdasarkan pernyataan tersebut dikatakan null hipotesis ditolak dan hipotesis penelitian diterima. Dari hasil penelitian diatas, penulis berharap guru dapat menggunakan media tersebut dalam proses belajar mengajar, sehingga siswa dapat dengan mudah mengingat kosa kata dalam bahasa Inggris.
Penelitian ini menunjukkan bahwa film kartun efektif untuk kegiatan belajar mengajar kosa kata bahasa Inggris bagi siswa kelas tujuh SMP N 3 Tambakromo pada tahun ajaran 2018/2019. Dan saran dari penelitian ini adalah guru bahasa Inggris dapat menggunakan film kartun dalam belajar dan mengajar kosa kata
The reinstatement of the jury system in Malaysia: an analysis / Muhd Nasrul Wajdee Mohd Nasir ... [et al.]
This project attempts to identify the reasons behind the abolishment of the jury system and also to identify a way to overcome the weaknesses in our judicial system. The data of this research paper were gathered through interviews. With this research paper, we would be able to see whether the reinstatement of jury system might overcome the problem in our judiciary system. Therefore, the aims of our study are to explore the jury system and our judicial system to see whether there is a possibility to reinstate the jury system in Malaysia. The first chapter in this research provides the introduction of our draft proposal in conducting this research. The next chapter provides the discussion of various aspects regarding the jury system and the judge system including the strengths and weaknesses of each system Chapter three further provides the history of the jury system in Malaysia since the time the Charter of Justice was introduced. This chapter discusses the history of Malaysia till the time our country decided on the abolishment of the jury system. Furthermore, the fourth chapter provides the study on the modes of trials implied in other countries where we have identified a country which has already abolished the jury system, a country which has revived the jury system and also a country which is still using the jury system. The chapter may provide on the reasons why a particular country is implementing that certain legal system. Lastly, chapter five provides findings and chapter six provides the recommendations and conclusions of this research paper. The issue of the jury system is still being debated throughout the whole world and for that it is important for our group to analyse all the possible and relevant issues which may later help us in identifying whether or not the jury system should be revived back in Malaysia
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The Impact of Community Masking on COVID-19: A Cluster Randomized Trial in Bangladesh
Background: Mask usage remains low across many parts of the world during the COVID- 19 pandemic, and strategies to increase mask-wearing remain untested. Our objectives were to identify strategies that can persistently increase mask-wearing and assess the impact of increasing mask-wearing on symptomatic SARS-CoV-2 infections. Methods: We conducted a cluster-randomized trial of community-level mask promotion in rural Bangladesh from November 2020 to April 2021 (N=600 villages, N=342,126 adults). We cross-randomized mask promotion strategies at the village and household level, including cloth vs. surgical masks. All intervention arms received free masks, information on the importance of masking, role modeling by community leaders, and in-person reminders for 8 weeks. The control group did not receive any interventions. Neither participants nor field staff were blinded to intervention assignment. Outcomes included symptomatic SARS-CoV-2 seroprevalence (primary) and prevalence of proper mask-wearing, physical distancing, and symptoms consistent with COVID-19 (secondary). Mask-wearing and physical distancing were assessed through direct observation at least weekly at mosques, markets, the main entrance roads to villages, and tea stalls. At 5 and 9 weeks follow-up, we surveyed all reachable participants about COVID-related symptoms. Blood samples collected at 10-12 weeks of follow-up for symptomatic individuals were analyzed for SARS-CoV-2 IgG antibodies. Results: There were 178,288 individuals in the intervention group and 163,838 individuals in the control group. The intervention increased proper mask-wearing from 13.3% in control villages (N=806,547 observations) to 42.3% in treatment villages (N=797,715 observations) (adjusted percentage point difference = 0.29 [0.27, 0.31]). This tripling of mask usage was sustained during the intervention period and two weeks after. Physical distancing increased from 24.1% in control villages to 29.2% in treatment villages (adjusted percentage point difference = 0.05 [0.04, 0.06]). After 5 months, the impact of the intervention faded, but mask-wearing remained 10 percentage points higher in the intervention group. The proportion of individuals with COVID-like symptoms was 7.62% (N=13,273) in the intervention arm and 8.62% (N=13,893) in the control arm. Blood samples were collected from N=10,952 consenting, symptomatic individuals. Adjusting for baseline covariates, the intervention reduced symptomatic seroprevalence by 9.3% (adjusted prevalence ratio (aPR) = 0.91 [0.82, 1.00]; control prevalence 0.76%; treatment prevalence 0.68%). In villages randomized to surgical masks (n = 200), the relative reduction was 11.2% overall (aPR = 0.89 [0.78, 1.00]) and 34.7% among individuals 60+ (aPR = 0.65 [0.46, 0.85]). No adverse events were reported. Conclusions: Our intervention demonstrates a scalable and effective method to promote mask adoption and reduce symptomatic SARS-CoV-2 infections. Trial registration: ClinicalTrials.gov Identifier: NCT04630054 Funding: GiveWell.or
Development of metal phosphate incorporated polyaniline electrodes for supercapattery / Fatin Saiha Omar
As the demand for green and sustainable energy increases, the advantages of high power density, instantaneous charge and discharge capabilities as well as long life span have made supercapacitor as one of the important device for energy storage and power supply management. Nevertheless, one of the main issues is their low energy density which has limit the employment of supercapacitors in broader applications. To address this issue, developing electrode materials that are efficient, cost-effective, tunable and have high surface area is an appealing alternative to boost the performance of supercapacitor (i.e. capable to store high charge and yet undergo minimal decayed during prolong life cycle). Herein, this work is reported on the synthesis of electrode materials and their relationships with supercapacitor performance. In this study, different nanostructures and morphologies of nickel phosphate Ni3(PO4)2 have been prepared by sonochemical method followed by calcination (with different calcination temperatures). The crystallinity, purity, morphology and surface area of Ni3(PO4)2 were authenticated by X-ray diffraction (XRD), fourier transform infrared (FTIR), field emission scanning electron microscopy (FESEM) and X-ray photoelectron spectroscopy (XPS) analysis. The electrochemical performances such as specific capacity, rate capability and electrical conductivity of the synthesized materials were studied through cyclic voltammetry (CV), galvanostatic charge-discharge (GCD) and electrochemical impedance spectroscopy (EIS) techniques. It was observed that the amorphous structure of Ni3(PO4)2 renders in high specific capacity (539 C/g at the current density of 1 A/g)) mainly because of its highly porous structure that augmented the electroactive sites for redox reaction. Nevertheless, it exhibited low rate capability due to its poor electrical conductivity which motivated the incorporation of Ni3(PO4)2 with silver (Ag) ions to form binary composite of nickel phosphate-silver phosphate nanocomposite (Ni3(PO4)2-Ag3PO4). Ni3(PO4)2-Ag3PO4 was prepared by fixing the amount of Ag precursor with various mass of Ni3(PO4)2. Crystalline structure of Ag3PO4 nanoparticles were found to be intimately decorated on the surface of Ni3(PO4)2 and had significantly improved the rate capability of the host Ni3(PO4)2 from 29 to 78 % of capacity retention. Unfortunately at low current rate, the specific capacity achieved by Ni3(PO4)2-Ag3PO4 was lower than that of Ni3(PO4)2 with the specific capacity of 478 C/g at 1 A/g. Ni3(PO4)2-Ag3PO4 was further blended with polyaniline (PANI) (synthesized by chemical oxidative polymerization of aniline monomer) without any binder to form tertiary composite of polyaniline-nickel phosphate-silver phosphate (PANI-Ni3(PO4)2-Ag3PO4). The specific capacity shown by PANI-Ni3(PO4)2-Ag3PO4 was increased to 677 C/g at 1 A/g with the rate capability of 76 % capacity retention. Overall, the improved performance displayed by PANI-Ni3(PO4)2-Ag3PO4 electrode is attributed to (i) the utilization of the surface area from each material for the effective redox reaction, (ii) the presence of Ag3PO4 nanoparticles which increased the electrical conductivity and (iii) tubular shape of conductive PANI that support Ni3(PO4)2-Ag3PO4, providing the interconnected paths for quick electron transfer rate and preventing closely packed of Ni3(PO4)2-Ag3PO4 particles. For real application, PANI-Ni3(PO4)2-Ag3PO4 was fabricated into hybrid supercapacitor (PANI-Ni3(PO4)2-Ag3PO4//activated carbon) and obtained energy density of 38.9 Wh/kg at 400 W/kg with 88 % capacity retention after 5000 cycles
Määrälaskennan kehittäminen tietomallimaisessa suunnittelussa
Tämän insinöörityön aiheena oli tutkia sähköisen määrälaskennan nykytilaa, menettelytapoja ja kuinka voitaisiin kehittää erityisesti keskittyen kaapelien ja sähköpisteiden määrien laskentaan ja niiden toteuttamismahdollisuuksiin. Työssä tutkittiin lisäksi piirtämisen menettelytapoja tietomallimaisessa suunnittelussa ja sillä, miten se eroaa perinteisestä sähkösuunnittelusta.
Työssä käytettiin Magicad Electrical -suunnitteluohjelmaa sähkösuunnittelun osalta. Lisäksi käytettiin Microsoft Exceliä luomaan vaihtoehtoinen malli itse määräluettelon tekemiseen.
Työssä tehtiin kaksi erillistä luetteloa määrälaskennasta ja tuloksena saatiin ohjeistus niiden luomisesta. Ensimmäisessä luettelossa tuotettiin tasopiirustuksesta kappalemääräinen luettelo sähköpisteistä, josta tehtiin piirustuksen osaksi liitettävä luettelo ja erikseen liitettävä luettelo. Toisessa tehtiin metrimääräinen luettelo, joka voidaan liittää erikseen liitettävään luetteloon tai sisällyttää piirustukseen.The aim of this bachelor’s thesis was to develop the methods of electrical installations planning and quantity takeoffs. For this purpose, the present state of BIM planning and quantity takeoffs for electrical installations in MagiCAD Electrical were studied.
The final year project depended on MagiCAD Electrical and Microsoft Excel as tools. The features of MagiCAD were studied to establish whether a more comprehensive quantity takeoff was possible. Additionally, standards, instructions and regulations were studied. It was shown that a designer can create a bill of quantities more easily and quickly than a contractor. The addition of cable measures and quantities on the bill of quantities also adds work, but it can be done with cable packets which can define cable routes all the way to the switchboard.
This thesis showed that adding quantities in Excel files or drawings is not difficult, although a reasonable choice of how to do it depends on the project. A BIM-based project is the best in this respect. However, some questions remained, about responsibilities and ways to include a bill of quantities in the bid, which has to be the client’s initiative.
The thesis succeeded in offering the company a way to improve the quality of drawings. Furthermore, the thesis produced proper guidance for designing and samples for the company, on two different platforms
Microwave synthesis of ZnO/rGO nanocomposites for enhanced degradation of dye / Fatin Saiha binti Omar
Zinc oxide/reduced graphene oxide (ZnO/rGO) nanocomposites were successfully synthesized in the presence of diethylenetriamine (DETA) via a facile microwave assisted method. The x-ray diffraction (XRD) patterns of the ZnO/rGO nanocomposites reveal that obtained nanocomposite materials containing ZnO in hexagonal phase with wurtzite structure. The high-resolution transmission electron microscopy (HRTEM) images indicates that the prepared nanocomposites having ZnO nanorods, with an average length:diameter ratio of 10 and which is found to be deposited onto the rGO sheets. Under the irradiation of sunlight, the ZnO/rGO nanocomposites showed two-fold improved photocatalytic performance than that of unmodified ZnO towards the photodegradation of methylene blue. This may due to the high adsorbtivity of ZnO/rGO nanocomposite and synergistic effect raised between smaller ZnO nanorods and rGO matrix led to the improved photocatalytic activity. Further, the ZnO/rGO nanocomposites showed six-fold enhanced photocurrent response than that of bare ZnO nanorods. The excellent photocatalytic performance of the newly prepared ZnO/rGO nanocomposites could be a potential candidate for the photocatalysis and photoelectrochemical applications