880 research outputs found
PENGARUH VARIASI MEDIA PEMBELAJARAN IPS TERHADAP KETERCAPAIAN KOMPETENSI INTI (KI) DALAM KURIKULUM 2013 DI SMP KOTA BANDUNG
Kompetensi pembelajaran IPS dibagi kedalam empat bagian yang saling berkesinambungan, yakni spiritual, sosial, pengetahuan dan keterampilan. Demi tercapainya kompetensi tersebut, usaha yang dapat dilakukan adalah dengan penggunaan media pembelajaran yang bervariasi. Pemilihan variasi media pembelajaran ini berlandaskan manfaat dan fungsinya yakni sebagai alat komunikasi antara guru dan peserta didik. Ketika komunikasi antara guru dan peserta didik berjalan dengan baik maka pesan dan tujuan pembelajaran lebih mudah dicapai. Penelitian ini mengkaji gambaran penggunaan variasi media dan kompetensi inti pembelajaran IPS serta melihat pengaruh variasi penggunaan media pembelajaran terhadap ketercapaian kompetensi inti pembelajaran IPS. Hasilnya menunjukkan variasi penggunaan media pembelajaran berpengaruh positif terhadap ketercapaian kompetensi inti pembelajaran IPS dengan skor loading factor sebesar 0.46, baik dengan pemanfaatan media cetak, media elektronik, maupun media realita. Ini didukung hasil analisis statistik deskriptif dan uji statistik hipotesis structural equality method (SEM). Secara lebih rinci digambarkan bahwa media cetak paling sering dipergunakan guru dengan persentase sebesar 94%, sedangkan jenis media yang paling berpengaruh pada ketercapaian kompetensi inti adalah media realita dengan skor loading factor sebesar 0.876. Sedangkan kompetensi inti yang paling tercapai dengan pemanfaatan variasi penggunaan media pembelajaran adalah kompetensi spiritual dengan persentasi sebanyak 97.9%, sedangkan berdasarkan pengujian statistik kompetensi keterampilanlah yang paling dipengaruhi variasi media pembelajaran, dengan skor loading factor sebesar 0.899.;--- Social studies learning competency is divided into four integrated parts, such as spiritual, social, knowledge and skill. In order to achieve those competencies, efforts that can be done are by using varied learning media. Choosing the varied learning media must be based on benefits and functions, namely communication media between teachers and students. When communication among them runs well then messages and learning indicators will be easily achieved. This research examines description of varied learning media concerning the achievement of social studies core competency by 0.46 loading factor score, it means that varied learning media concerning the achievement of social studies core competency. Which are not only utilizing printed media, and electronic media but also reality media. This study choses the quantitative methods which are based on descriptive statistical analysis result and structural equality model. Therefore, printed media are used often by teachers by 94%, as shown by detailed description. In the meantime, reality media have more influence in achieving core competency by 0.876 loading factor score. Research findings shown also that spiritual competency by 97.9% and skill competency which employed varied learning media based on statistical analysis can be accomplished by 0.899 loading factor score
Development of screening technique for artificial creation of false smut in rice
False smut (Ustilaginoidea virens (Cooke) Takahashi) of rice is an emerging disease and a potential threat to rice growers in different countries due to reduction in yield, quality and production of mycotoxins. Development and cultivation of resistant varieties is desirable approach for its management. Different inoculation techniques viz. spray inoculation, syringe inoculation and dusting method were evaluated for creating artificial epiphytotic conditions in susceptible variety PR116 under natural as well as artificially provided humidity conditions. Spray inoculation method produced more number of smut balls per plant (3.21) and per cent infected panicles (33.44%) followed by syringe inoculation (2.00 and 26.57%, respectively) and dusting method (0.33 and 6.67%, respectively). However, syringe inoculation method produced more spikelet sterility (14.82%) in rice panicles. More disease occurrence was reported in plants provided with artificial humidity after inoculations (51.12% infected panicles) than the plants grown under natural conditions (13.33% infected panicles). Late transplanted crop developed higher disease severity (18.17% infected panicles and 3.34 smut balls/plant) which might be attributed by slight decrease in temperature and increase in relative humidity conditions (up to 88% RH) at time of infection from boot to early flowering stage of the rice crop
Is Existing International Environmental Law Adequate in Addressing the Challenge of Global Climate Change?
The Honorable Senior Judicial Magistrate Farjana Yesmin, Senior Judicial Magistrate, Mymensingh, Dhaka, Bangladesh; Fellow, 2012-2013 Golden Gate University School of Law/International Women Judges Graduate Fellowship Program (LL.M. in Environmental Law)
Ganglioside GD2 Enhances the Malignant Phenotypes of Melanoma Cells by Cooperating with Integrins
doctoral thesi
Biodegradable Biomaterials as Suitable Alternatives to Water Treatment Technologies
Nitrates and phosphates are essential nutrients for plants growth. Their excess presence in water, however, could cause eutrophication affecting the water quality and altering the aquatic ecosystem. Algal blooms and the presence of toxins such as microcystin in freshwater bodies are hazardous to humans, animals, and wildlife. Conventional technologies such as ion exchange, distillation, reverse osmosis, and bioreactors aid immensely to remove nutrients; however, they are expensive. Furthermore, building new nitrate and phosphate treatment units, maintenance and post-disposal are costly too. In this regard, there exists an unmet need for alternative processes that are renewable and cost-effective to treat contaminated water. Herein, a novel opportunity based on inexpensive and widespread polysaccharides, e.g. alginate, has been developed to capture nitrate and phosphate from water and improving water quality. Alginate beads have been prepared in the presence of divalent (Ca2+, Fe2+, Ni2+, Cu2+, Zn2+, and Sr2+) and trivalent (Al3+ and Fe3+) cations. The maximum absorption capacity of nitrate and phosphate by the alginate beads has been established using 5, 10, 25 mg/L of nitrate and 1, 5, 10, 15, and 20 mg/L of phosphate solutions. Results suggest that alginate beads are effective to capture nitrate and phosphate from solutions and the type of ionic crosslink ions has a significant influence on the total absorbed amount. A maximum (94.0 ±0.1)% of phosphate could be removed using the Al3+-alginate beads and (33.6±1.9)% of nitrates by the Fe3+-alginate beads. Further characterization of beads by FTIR and DSC reveal the influence of ions on the nitrate and phosphate absorption capacity by the alginate beads. Overall, this study successfully establishes the potential of polysaccharide beads to capture nutrients and improve water quality and opens a new window of opportunities to water treatment technologies
Gendered Impression of Water Scarcity: The Impact of Water Scarcity on Women’s Lives From Gender Perspectives
This paper intends to examine the water crisis issue from the perspective of gender In order to accomplish this goal the article has first discussed a few challenges that are unique to women and girls as a result of their gender position in society After that I discussed the reasons why gender should be addressed in relation to water issues Secondary data were used for this research which was then followed by qualitative analysi
Climate-Induced Migrations and Changing ‘Households’ in Bangladesh: An Analysis of New ‘Householding’ Structures from Gender Perspectives
Migration is influencing people s livelihood choices as well as their household arrangements in various ways This research aims to explore the livelihood changes and shifts in household structures and management systems among the families of migrating people through a gender lens In this qualitative research systemic literature review and content analysis methods have been used to fetch the secondary data for analysis The discussion section shows that losing traditional livelihoods men are shifting to day labour rickshaw pulling or other alternative sources of livelihood and women are increasingly engaging in agriculture garments or domestic work Therefore people s migration to other areas restructuring household structures This study found some emerging structures of households such as families of women with children grandparents with grandchildren or group living of working girls in their working areas These changing structures are also impacting gender roles and interactions within families as well as society Findings show that where male members migrate outside and or women engage in income-generating activities women enjoy more mobility bargaining and decision-making powers economic freedom and exercise their agency However the benefits of migration and new householding structures have some associated costs along with some dilemmas and subverting aspect
A subpopulation of agouti-related peptide neurons exciting corticotropin-releasing hormone axon terminals in median eminence led to hypothalamic-pituitary-adrenal axis activation in response to food restriction
浜松医科大学博士(医学)doctoral医学系研究科The excitatory action of gamma-aminobutyric-acid (GABA) in the median-eminence (ME) led to the steady-state release of corticotropin-releasing hormone (CRH) from CRH axon terminals, which modulates the hypothalamic-pituitary-adrenal (HPA) axis. However, in ME, the source of excitatory GABAergic input is unknown. We examined agouti-related peptide (AgRP) expressing neurons in the arcuate nucleus as a possible source for excitatory GABAergic input. Here, we show that a subpopulation of activated AgRP neurons directly project to the CRH axon terminals in ME elevates serum corticosterone levels in 60% food-restricted mice. This increase in serum corticosterone is not dependent on activation of CRH neuronal soma in the paraventricular nucleus. Furthermore, conditional deletion of NaC-KC-2Cl⁻ cotransporter-1 (NKCC1), which promotes depolarizing GABA action, from the CRH axon terminals results in significantly lower corticosterone levels in response to food restriction. These findings highlight the important role of a subset of AgRP neurons in HPA axis modulation via NKCC1-dependent GABAergic excitation in ME.doctoral thesi
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