Ditapis dengan
Pengembangan Soal Berpikir Kritis Menggunakan Software Ispring Quizmaker Seba…
The ability of students to solve problems is still low, so an instrument for evaluating critical thinking using media is needed. This study aims to produce an evaluation instrument for critical thinking using the software iSpring QuizMaker on ion balance material and the pH of a valid salt solution according to material and media experts, knowing the validity, reliability, level of difficulty, …
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- Deskripsi Fisik
- ix, 289 hlm.: ill.: 29 cm
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- No. Panggil
- 05 09. 121 (0044)
Pengembangan E-LKPD Berbasis Preview, Question, Read, Reflect, Recite, Review…
The development of PQ4R-based electronic activity sheet on the subject of ionic equilibrium and pH of buffer solutions aims to develop a valid electronic activity sheet and determine user responses in learning. The research method used is the research and development (R&D) method by applying a 4D development model which includes Define, Design, Develop and Disseminate, pandemic conditions that …
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- ix, 204 hlm.: ill.: 29 cm
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- No. Panggil
- 05 09. 121 (0043)
Analisis Kesalahan Peserta Didik SMA/MA Dalam Mengerjakan Soal Stoikiometri B…
Students' understanding of stoichiometric material can be seen from the average value of student learning outcomes at SMAN 5 Pekanbaru and SMAN 8 Pekanbaru which is still below the standard set by the school. This study aims to determine the types and causes of errors made by high school students in working on stoichiometry questions based on the Newman procedure. The form of research used by t…
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- viii, 172 hlm.: ill.: 29 cm
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- 05 09. 121 (0042)
Pengembangan Modul Berbasis Introduction, Connection, Application, Reflection…
This Research aims to develop an ICARE-based module on ion balance material and the pH of salt solutions. This development research uses a 4-D model (Define, Design, Develop, Disseminate). The research was only carried out until the develop stage and followed by user response testing. The data collection instruments used were in the form of validation sheets and user response questionnaires. Va…
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- Deskripsi Fisik
- viii, 178 hlm.: ill.: 29 cm
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- 05 09. 121 (0041)
Pengembangan Instrumen Evaluasi Berbasis Higher Order Thinking Skill (HTS) De…
This research aims to develop HOTS questions with wondershare quiz creator on ionic balance and pH buffer solution for class XI SMA/MA. The research method used is research development (R&D) with the Plomp model. The research used the Plomp model which was carried out in four stages are preliminary investigation, design, realization/construction, validation, test and revision and implementa…
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- Deskripsi Fisik
- ix, 334 hlm.: ill.: 29 cm
- Judul Seri
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- No. Panggil
- 05 09. 121 (0040)
Pengembangan E-LKPD Berbasis Contextual Teaching And Learning (CTL) Menggunak…
This research is directed to develop e-worksheets based on contextual teaching and learning (CTL) using the Web Sway Office on acidic and alkaline materials as a valid teaching material and knowing the user's response to the developed e-worksheets. This type of the developed research is research and development using 4-D development model namely defines, designs, develops, and disseminates…
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- Deskripsi Fisik
- ix, 222 hlm.: ill.: 29 cm
- Judul Seri
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- No. Panggil
- 05 09. 121 (0039)
Pengembangan Lembar Kegiatan Peserta Didik (LKPD) Berbasis Discovery Learning…
The purpose of this research is to know: (1) The process of activity sheet development based on Discovery Learning to improving students' critical thinking ability, (2) The validity of activity sheet is based on the application stages of Discovery Learning, the teacher's and students respond toward activity sheet based on Discovery Learning, that is developed for high school, (3) The students' …
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- xii, 297 hlm.; ill.; 29 cm
- Judul Seri
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- 10 20. 219 (0009)
Pengembangan Instrumen Asesmen Kemampuan Berpikir Kreatif Siswa Pada Materi H…
The Creative Thinking Ability Assessment Instrument is a tool used to measure students' thinking skills based on available information data, find many possible answers to a problem or be able to find many ways to solve a problem. An assessment instrument will be developed according to indicators of creative thinking skills and integrated with hydrocarbon materials. Hydrocarbons are compounds de…
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- Deskripsi Fisik
- xv, 111 hlm.: ill.: 29 cm
- Judul Seri
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- No. Panggil
- 10 20. 221 (0002)
Kelimpahan Mikroplastik Pada Sedimen Sungai Air Htam, Pekanbaru, Riau
ABSTRACT Microplastics are plastic sinks measuring
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- xii, 29 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 07 02. 121 (0074)
Analisis Karakteristik Debu Jatuh (Dustfall) Di Area Pabrik Crude Palm Oil Da…
Abstrack : Crude Palm Oil (CPO) processing plant PT. Z Pelalawan Regency is one of the palm oil processing factories that uses palm kernel shells and fiber as an energy source. Palm oil processing is certainly inseparable from the problem of air pollution, especially in the environment, namely pollutant gases and dust. This study aims to analyze the characteristics of dustfall and dustfall …
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- ix, 79 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 07 02. 121 (0073)
Pengaruh Ph, Massa Adsorben Dan Waktu Kontak Terhadap Penyisihan Logam Fe Pad…
ABSTRACT Water is a very vital need for living things. Clean water must meet physical and chemical quality requirements. The community in Belading Village, Sabak Auh District, Siak Regency uses borehole water that contains high levels of iron (Fe), so processing is necessary to reduce the metal content. One of the treatments to remove ferrous metal (Fe) in water is by adsorption using bioa…
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- ix, 79 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 07 02. 121 (0072)
Karakteristik Komposit Adsorben Berbahan Spent Bleaching Earth (Sbe) Dan Spen…
ABSTRACT Copper (Cu2+) is one of the heavy metals that is toxic to aquatic organisms and humans, copper tends to be dangerous when the concentration is more than 0.5 mg/L. To reduce the content of copper can be done by the adsorption process. Spent bleaching earth (SBE) and spent mushroom substrate (SMS) were used as adsorbents by combining them into composites to increase the adsorption a…
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- ISBN/ISSN
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- Deskripsi Fisik
- ix, 79 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 07 02. 121 (0071)
Pengaruh Massa Dan Waktu Kontak Terhadap Proses Adsorpsi Komposit Spent Bleac…
ABSTRACT Heavy metal pollution is found a lot in the environment, One of the alternative to reducing heavy metals from industrial waste by using adsorbent composite made from Spent Bleaching Earth (SBE) and Spent Mushroom Substrate (SMS). This study aims to determine surface area of the adsorbent, determine efficiency and adsorption capacity, determine mass optimal, contact time optimal an…
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- xii, 29 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 07 02. 121 (0070)
Pengaruh Konsentrasi Dan Ph Terhadap Proses Adsorpsi Komposit Spent Bleaching…
ABSTRACT Many industries produce copper metal waste (Cu) that is classified as heavy metal and toxic. Spent bleaching earth (SBE) and spent mushroom substrate (SMS) can be reactivated to be used as composite adsorbents. This study aims to determine the efficiency and the adsorption capacity of SBE-SMS adsorbent composites against Cu2+ metals with the influence of pH and initial concentrati…
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- ISBN/ISSN
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- Deskripsi Fisik
- ix, 79 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 07 02. 121 (0069)
Analisis Pengaruh Penambahan Lumpur Gambut Terhadap Penurunan Kekeruhan, Zat …
Peat water is a surface water that’s found in swamp and lowland areas that have characteristics of organic matter, turbidity and high color. One of peat water treatment that can be used by coagulation-flocculation. This study aims to determine the effect of peat sludge addition in coagulation-flocculation process with Coagulant Aluminium Sulfate (Al2(SO4)3) 1%. Peat water was taken in Ri…
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- xii, 29 hlm.; ill.: 29 cm
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- No. Panggil
- 07 02. 121 (0068)
Prarancangan Pabrik Melamin Dari Urea Dengan Proses Low-Pressure Dan Desain A…
ABSTRACT Melamine is a chemical compound derived from urea as white crystals that raw material for making glue, household appliances. The estimation of melamine market in 2020 is 1,5. tons, and keep growth by 3% until 2026. A melamine plant is a necessity for Indonesia's domestic demand and for decreasing melamine import. We decided to conduct the preliminary plant design for melamine from…
- Edisi
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- ISBN/ISSN
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- Deskripsi Fisik
- ix, 79 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 07 02. 121 (0067)
“Penerapan Root Cause Analysis Dalam Penanganan Waste Of Board Defects Untu…
ABSTRACT Boxes and wrappers are the main thing in the paper packaging industry. Boxes are first produced in board form by corrugator machines for 4-5 minutes. The problem that happens during the production of boards for the purposes of boxes on corrugator machines is waste of board defects. The high waste of board defects has an impact in the form of frequent downtime on corrugators, delay…
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- xii, 29 hlm.; ill.: 29 cm
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- No. Panggil
- 07 02. 021 (0075)
Evaluasi Performance Digesterfiberline #2 (Kraft Pulp)
ABSTRACT PT. Riau Andalan Pulp and Paper is one of the industries engaged as a producer of pulp in the form of kraft pulp that is required to always improve its performance. Performance improvement is manifested in the improvement of productivity and efficiency of the company. Pt. Riau Andalan Pulp and Paper is inseparable from the problem of increased productivity and machine efficiency i…
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- ix, 79 hlm.; ill.: 29 cm
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- No. Panggil
- 07 02. 021 (0073)
Pengaruh Temperature Chilled Water Terhadap Production Clo2 Di Integrated Clo…
ABSTRACT In the process of making paper needed chemicals ClO2 which is one of the chemicals that can help the process of bleaching the pulp will be produced to be bleached pulp. Bleached pulp is the pulp that's been through the process of bleaching. To produce ClO2 needed sodium chlorate (NaClO3) with a concentration of 490 g/l and Hydrochloride Acid (HCl) with a concentration of 32% to r…
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- ix, 79 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 07 02. 021 (0072)
Pengaruh Variasi Beating Revolutions Terhadap Nilai Bulk, Freeness, Tensile S…
ABSTRACT The company of PT. RAPP produces pulp in two types namely pulp slurry and dry pulp sheet based on the consistency of the pulp. Both products will be distribute to consumers of paper companies. This final project was conducted to determine the economic level between pulp slurry and dry pulp sheet based on product quality. This can be seen by looking at the characteristics of these …
- Edisi
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- ix, 79 hlm.; ill.: 29 cm
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- No. Panggil
- 07 02. 021 (0071)
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