PENERAPAN MODEL PEMBELAJARAN STRUCTURE NUMBERED HEADS MATERI OPERASI HITUNG BILANGAN PECAHAN MTs AL–FATHAANAH MEMPAWAH HILIR

In the study effectiveness is very important, learning is said to b e successful when learners and educators can achieve the objectives to be reached. The effectiveness of what this researchsats is the learning activities performed by the teacher in administering the materials to be presented, the study activity, and the learning result of the learners. The purpose of the researchto see the effectiveness of these three aspects in applying the research Structure Numbered Heads to the operating material VII MTs. Al-Fataanah Memapawah Hilir. The method used in research is experimental method, with the shape of the research is a One- Shot Case Study. The subjects in this study are VII-A class learners and teachers at MTs. Al-Fataanah Mempawah Hilir. Research data is obtained from the administration of study tests (posttest), the learning management observation sheet and the observation sheet of participants activities. The result of all three learning effectiveness is that the learning process applies 3,04 cooperative types of Structure Numbered Heads to good categories, learning activity percentage is 68,9% in the active category, learners can achieve the greatest learning result of individual achievement of 8 or 40% and classified intellgence is not lade. Since there is an unfulfilled indicator that the achievement of classified learning will not be achieved it seems that the study of applying cooperative models Structure Numbered Heads is not effective to apply in program class MTs. Al-Fataanah Mempawah Hilir.

Insecticidal Triterpenes in Meliaceae: Plant Species, Molecules and Activities: Part Ⅰ (Aphanamixis-Chukrasia)

Plant-originated triterpenes are important insecticidal molecules. The research on insecticidal activity of molecules from Meliaceae plants has always received attention due to the molecules from this family showing a variety of insecticidal activities with diverse mechanisms of action. In this paper, we discuss 102 triterpenoid molecules with insecticidal activity of plants of eight genera (Aglaia, Aphanamixis, Azadirachta, Cabralea, Carapa, Cedrela, Chisocheton, and Chukrasia) in Meliaceae. In total, 19 insecticidal plant species are presented. Among these species, Azadirachta indica A. Juss is the most well-known insecticidal plant and azadirachtin is the active molecule most widely recognized and highly effective botanical insecticide. However, it is noteworthy that six species from Cedrela were reported to show insecticidal activity and deserve future study. In this paper, a total of 102 insecticidal molecules are summarized, including 96 nortriterpenes, 4 tetracyclic triterpenes, and 2 pentacyclic triterpenes. Results showed antifeedant activity, growth inhibition activity, poisonous activity, or other activities. Among them, 43 molecules from 15 plant species showed antifeedant activity against 16 insect species, 49 molecules from 14 plant species exhibited poisonous activity on 10 insect species, and 19 molecules from 11 plant species possessed growth regulatory activity on 12 insect species. Among these molecules, azadirachtins were found to be the most successful botanical insecticides. Still, other molecules possessed more than one type of obvious activity, including 7-deacetylgedunin, salannin, gedunin, azadirone, salannol, azadiradione, and methyl angolensate. Most of these molecules are only in the primary stage of study activity; their mechanism of action and structure–activity relationship warrant further study.

Measuring activity engagement in old age: An exploratory factor analysis

A growing body of literature suggests that higher engagement in a range of activities can be beneficial for cognitive health in old age. Such studies typically rely on self-report questionnaires to assess level of engagement. These questionnaires are highly heterogeneous across studies, limiting generalisability. In particular, the most appropriate domains of activity engagement remain unclear. The Victoria Longitudinal Study-Activity Lifestyle Questionnaire comprises one of the broadest and most diverse collections of activity items, but different studies report different domain structures. This study aimed to help establish a generalisable domain structure of the Victoria Longitudinal Study-Activity Lifestyle Questionnaire. The questionnaire was adapted for use in a sample of UK-based older adults (336 community-dwelling adults aged 65–92 with no diagnosed cognitive impairment). An exploratory factor analysis was conducted on 29 items. The final model retained 22 of these items in a six-factor structure. Activity domains were: Manual (e.g., household repairs), Intellectual (e.g., attending a public lecture), Games (e.g., card games), Religious (e.g., attending religious services), Exercise (e.g., aerobics) and Social (e.g., going out with friends). Given that beneficial activities have the potential to be adapted into interventions, it is essential that future studies consider the most appropriate measurement of activity engagement across domains. The factor structure reported here offers a parsimonious and potentially useful way for future studies to assess engagement in different kinds of activities.

The Relationship Between Dysmenorrhoea and Student Learning Activities at High School 3 Palembang

Dysmenorrhea is a menstrual disorder often faced by adolescent girls. In some people with dysmenorrhoea, perceived pain can interfere with daily physical activity giving the impact on quality of life and productivity of students in the school. This study aims to determine the relationship between dysmenorrhea and learning activities at SMA Negeri 3 Palembang. This study was an analytic observational study with cross sectional design conducted in November-Desember 2015. The population in this study were all students of SMA Negeri 3 Palembang. The samples were obtained by total sampling with total sample of 631 female student. Data were obtained through a questionnaire given to respondents. The results were analyzed by using Fisher's Exact Test. From this study, the prevalence of students who suffer from dysmenorrhea was 91.3%. Number of respondent with dysmenorrhea and disturbed study activity was 56.4%. Results of bivariat analysis showed a highly significant relationship between dysmenorrhea and study activity (p=0.000).

IN VITRO STUDY ACTIVITY PROLIFERATIVE FIBROBLAST HUMAN SUBMITTED TO TREATMENT ZINCUM METALLICUM AND CALENDULA OFFICINALIS IN ULTRA DILUTIONS HOMEOPATHIC

Cicatrization can be divided into three phases: inflammation, fibroblastic, maturation and remodeling [1]. The extracellular matrix may be replaced by a stronger and more elastic connective tissue. In a scar collagen is the major component of the mature connective tissue [2]. In homeopathic area, the greater is the investigated segment ultra dilutions [6]. However, little research has been done to explore the effect of dynamized drugs in in vitro cell culture [4]. Using the Zincum metallicum 6CH and Calendula officinalis 6CH applied independently in different concentrations in fibroblast cultures sought to determine the increase in proliferative activity using techniques such as IC50, MTT, flow cytometry and quantification of collagen. As expected from the literature, ie both homeopathic according to the literature are used for treatments that Require skin healing, both showed increased proliferative activity, having Calendula most cellular response, presenting as cell cycle stimulating checked via flow cytometry.

Lockdown Learning: Changes in Online Foreign-Language Study Activity and Performance of Dutch Secondary School Students During the COVID-19 Pandemic

The COVID-19 pandemic caused lockdowns and sudden school closures around the world in spring 2020, significantly impacting the education of students. Here, we investigate how the switch to distance learning affected study activity and performance in an online retrieval practice tool used for language learning in Dutch secondary education. We report insights from a rich data set consisting of over 115 million retrieval practice trials completed by more than 133 thousand students over the course of two consecutive school years. Our findings show that usage of the tool increased substantially at the start of lockdown, with the bulk of study activity occurring on weekday mornings. In general, students’ progress through the material was largely unaffected by lockdown, although students from the highest educational track were somewhat more likely to be on or ahead of schedule than students from lower tracks, compared to the previous year. Performance on individual study trials was generally stable, but accuracy and response time on open answer questions went up, perhaps as a result of students being more focused at home. These encouraging findings contribute to a growing literature on the educational ramifications of distance learning during lockdown.

A MULTIPLICAÇÃO E O ENSINO: UM ESTUDO A PARTIR DAS PROPOSIÇÕES DE DAVYDOV

The objective of this article to discuss the process of teaching multiplication, having as principles the assumptions of the Historical-Cultural Theory -THC. Mathematics is present in our daily life and allows us tocommunicate, solve problems and promote social relations. This proves the importance and need for the appropriation of the concepts involved in the aritmetic operations is essential, especially multiplication. Therefore, through a bibliographical research, studies were made on Vygostki, Davydov, Moura Rosa, Galdino and other contemporary authors linked to this same perspective, the search for understanding principles that help us teach multiplication in the early years of schooling. We found that teaching needs to go beyond empirical aspects towards the development of theoretical thinking, being indispensable the execution of tasks and actions that make the student enter into study activity and understand the concept. The research shows that the theme needsmore investigated in order to have more propositions and referrals to ensure the learning of the multiplicative concept.

Analisis Pengembangan Desa Wisata di Desa Sumber Urip, Rejang Lebong, Bengkulu

This study aims to explain the stretching of the tourism village development in terms of the form of community participation. Research uses qualitative descriptive approach, the analysis is carried out using the exchange theory. The research results show the form of participation by the community can be seen from the construction of tourist facilities. Pokdarwis involvement as a tourism manager is carried out by taking four stages of participation: namely, participation in planning through the activity of conveying ideas in the form of criticism and suggestions at the planning meeting for tourism village development activities. Furthermore, the implementation stage is manifested in the form of personnel participating in the form of mutual assistance activities to improve the condition of tourist facilities, environmental maintenance by cleaning up trash on the hiking trail and becoming parking guards. On the other hand, the form of skill participation carried out by the community is manifested through activities of making tourist souvenirs and promotion on social media. Meanwhile, the utilization stage is carried out through efforts to open business opportunities and opportunities for youth who do not have a job. Finally, the evaluation stage is carried out by taking a comparative study activity to other Tourism Villages as a comparison to see the success of the Bukit Kaba Tourism Village.

SALMAN MUMTAZ’S LITERATURE-STUDY ACTIVITY

The article is devoted to Salman Mumtaz, who played an exceptional role in the development of Azerbaijani literature. It is emphasized here that Salman Mumtaz spent his childhood in Ashgabat, but he lived the next part of his life in the native country Azerbaijan. Knowing a number of Eastern, including Turkish and Russian languages perfectly Salman had shown interest in the reading of world literature. This enthusiasm pushed him to research-study gradually. Although his first published research work was related to Persian literature, he later showed interest in the study of Azerbaijani literature.