Habitat ikan buntal di daerah subtropics dan tropis yang memiliki salinitas tinggi yang dapat mempengaruhi kebiasaan makan ikan tersebut, bahkan dapat mempengaruhi strukutr saluran pencernaan ikan buntal. Saluran pencernaan ikan yang berperan dalam mencerna makanannya adalah sel-sel epitel di saluran pencernaan yang menghasilkan kelenjer mucus mulai dari rongga multu sampai anus dengan fungsi y…
Senyawa 4-klorofenol merupakan senyawa organik aromatic yang diperlukan dalam jumlah besar di dunia perindustriandan pertanian. Ketahanan senyawa terhalogensi ini terhadap biodegradasi dan kemampuannya untuk tetap bersifat aktif di alam menyebabkan klorofenol memiliki potensi besar sebagai pencemar lingkungan. Tujuan penelitian ini menguji kemampuan bakteri pseudomonas sp.pengguna senyawa organ…
This research was conducted to determine the composition and structure of riparian vegetation at Natural Tourism Park (TWA) ) Buluhcina designed the biodiversity concept module on class X biodiversity material in April 2019-July 2019. This research was carried out in 3 stages, namely the field of data collection, the laboratory activity and the module design stage, the first stage was carried o…
This study aims to develop quality student worksheets in terms of the implementation of the syntax of guided inquiry models and indicators of scientific literacy in the material of the circulatory system in humans for VIII grade students of junior high school. This research was conducted in two places, namely for the validation of student worksheets by the validator and a limited trial phase I …
This study aims to determine the effect of composting on planting media with the addition of EM-4 to the growth of oyster mushrooms (Pleurotus ostreatus) and produce learning resources in the form of learning videos in class XII high school biotechnology material. This research was conducted at the Biology Mushroom House Laboratory of Biology Education FKIP UNRI in May-December 2019. This resea…
This research aimed to develop computer-based learning media on similarity and congruence topic for 9th students. This research and development use R&D model by Borg and Gall modified by Sugiyono. Development is done through the following steps: (1) potentials and problems; (2) data collection; (3) design media: (4) validation; (5) revision; (6) small group trying out; (7) revision; (8) field t…
The background of this research is the result of learning mathematics of class student VIII.6 SMP Negeri 16 Pekanbaru which is still under the minimum mastery criteria (KBM) with a persentage of 10,34 % who achieve the minimum mastery criteria on the associating build flat side space.The purpose of this research aims to improve the learning process and increase the student’s mathematics lear…
This research is a class action research which aimed to improve learning process and increase the mathematics learning outcomes by implying Problem Based Learning model. The subjects of this research were VII-4 grade student’s of SMP Negeri 21 Pekanbaru in the academic year 2019/2020. The total number of participants were 40 students, consisting of 18 male students and 22 female students with…
The background of this research is the lack of teaching materials that introduced regional resources to students in accordance with the demands of 2013 curriculum. This Research aims to develop teaching materials in the form of books that introduce regional wealth to students by introducing the map of Riau. This Research is a research and development (R&D) using the 4-D model that consist of de…
This research to improve the learning process and the students mathematical understanding skill by implementation cooperative learning model with the discovery method. The type of this research is classroom action research with two cycles. This research was conducted at class XI MIA 3 SMA Negeri 4 Kundur of the first semester to 24 students on 2019/2020 academic year on matrix material. The res…
Goal from this study is to describe the implicature in the 2019 Presidential election campaign. This study uses a qualitative research design with type of descriptive research. The data collection technique of this research is the documentation technique and note technique. The method used in this research is descriptive qualitative. The data analysis technique of this research is the Content A…
The purpose in this study is to describe compliance and violations in the Regional Head Election Debate DKI Jakarta 2017. The method used is descriptive. The results of this study on data on the use of the language politeness in the regional head election debate DKI Jakarta as many as 5 data that comply with the maxim of politeness principle and 55 data that violated the maxim of politeness …
This research about Psychopragmatic Study of Yong Dolah Story. This research is motivated by folktale with a story style in a special Melayu community which is a humorous story or anecdotal story that is closely related to its readers, one of them is a high school / majors / equivalent student. The anecdotal story is Yong Dolah Story. The purpose of this study is to get students 'understanding …
This research aims to improve learning process and students’ mathematics learning achievement by applying Inquiry Learning model. Subject of this research are students of VIIIA SMPN 4 Tambang in second semester of academic year 2018/2019 which consist of 29 students. This research is a classroom action research with 2 cycles. The instruments of this research are learning device (Syllabus, Les…
This study is entitled The Creativity of Speakers in the Oral Traditions of the Baghandu District of Kampar which aims to find out how the creativity of speakers in the oral tradition. This research is a type of qualitative research and uses descriptive methods with the theory of expressionvism. Researchers compared the lyrics of the Baghandu manuscript with the script sung by the two speakers.…
This rease intends to anylize the dysphemism of narrative of the discussan on Mata Najwa Trans 7. This study classied as qualitative descriptive study. The object of this research is the narrative of the discussan on Mata Najwa Trans 7. The way to got appraisal datas in this research are obtained by using observe attentively and and by recording the selected videos. Another resuld of this stud…
Learning in the class must be well planned, one of which to create learning instrumen that refer to the curriculum implementation. This research aim to produces mathematics learning (Syllabus, RPP, and LKPD) using the problem based learning model in the linear two-variabel equation system sucject. This research is a research and development (R&D) using the 4-D model. The research instrument was…
This study aims to determine the form and function of parents' directive speech acts against children in the Malay language of Kuansing dialect. This research is a qualitative research description. The subjects in this study were 10 members of the H. Selamet extended family of hamlet III Pebaun Hulu Village, Kuantan Mudik District, Kuantan Singingi Regency. The instrument used in this study was…
This research aims to improve the learning process and increase mathematics learning outcomes by implementing the Problem Based Learning model of the students in class VIII.6 MTs N 1 Pekanbaru. Subject of this research are students of class VIII.6 MTs N 1 Pekanbaru in odd semester of academic year 2019/2020 which consist of 31 students. This form of research is a classroom action with two cycle…
This research is motivated with the aim of analyzing the imperative sentences contained in the short stories in the patchwork parcels. The method used in this research is qualitative research. Data collection techniques in this study are note taking and documentation techniques. Data analysis techniques used in this study were to identify data in the form of imperative sentences, classify data,…