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Pena : Jurnal Ilmu Pengetahuan dan Teknologi
Published by Universitas Pekalongan
ISSN : 0854752     EISSN : 23016450     DOI : DOI 10.31941
PENA: JURNAL ILMU PENGETAHUAN DAN TEKNOLOGI [P-ISSN-0854-7521 | E-ISSN-2301-6450 | DOI 10.31941] merupakan jurnal ilmiah bidang iptek yang bersumber dari hasil kajian dan penelitian. Jurnal PENA menyajikan informasi mutakhir hasil kajian dan penelitian bidang ilmu pengetahuan dan teknologi, yang mencakup kebijakan iptek dan penerapan teknologi bagi kehidupan.
Arjuna Subject : Umum - Umum
Articles 381 Documents
Analisa Penilaian Kinerja Green Building Pada Perencanaan Proyek Pembangunan Pasar Induk Kajen Kabupaten Pekalongan Wiwit Alisiya; Tisnawati Tisnawati; Budi Utomo
Pena: Jurnal Ilmu Pengetahuan dan Teknologi Vol 37, No 2 (2023): PENA SEPTEMBER 2023 (ARTICLE IN PRESS)
Publisher : LPPM Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/jurnalpena.v37i2.3205

Abstract

The Ministry of PUPR is committed to building infrastructure in Indonesia by implementing sustainable development by prioritizing the concept of green buildings that are efficient, save energy, water and materials. Therefore, in supporting this, the planning process for the construction of the kajen main market of the Pekalongan Regency Government expects the application of building planning, one of which meets the standards of Green Building (BGH) or commonly known as green building. This BGH Performance Analysis is carried out so that the Development can meet BGH criteria that can reduce environmental impacts. This research discusses how BGH performance at the technical planning stage and the achievement of the green building category based on Permen PUPR No. 21 of 2022. The research was carried out on the planning of the construction of the Kajen main market in Pekalongan Regency. The scope of the achievement level of the green building category is based on the Kajen main market development planning data. And the scope of the discussion is based on the Circular Letter of the Minister of Public Works and Public Housing Number 01/SE/M/2022 concerning Technical Guidelines for Green Building Performance Assessment. The research method used is a qualitative method with a descriptive approach in analyzing data on Green Building Criteria. In this research explore, search, and find facts in the field then processed or presented in accordance with existing facts. The parameters used in the assessment of green buildings or green buildings are based on the Regulation of the Minister of Public Works and Public Housing Number 21 of 2022. The results of the green building assessment of the Kajen Main Market obtained points of 117 with a percentage of 64.4% and entered the BGH Pratama level.
Produksi Biodiesel Yang Berbahan Baku Kelapa Sawit Dengan Melibatkan Katalis Homogen Dan Heterogen Ghina Nurul Fadhillah; Dessy Agustina Sari
Pena: Jurnal Ilmu Pengetahuan dan Teknologi Vol 37, No 2 (2023): PENA SEPTEMBER 2023
Publisher : LPPM Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/jurnalpena.v37i2.2484

Abstract

Saat ini kebutuhan bahan bakar minyak terus menjadi besar bersamaan dengan meningkatnya populasi dan berkembangnya Teknologi. Namun cadangan sumber energi minyak bumi yang berasal dari fosil terus menjadi menipis karena sifatnya yang tidak dapat diperbaharui. oleh karena itu, perjuangan buat mencari asal tenaga alternatif yang dapat diperbaharui (renewable) butuh ditingkatkan. Salah satu sumber tenaga alternatif yang kala ini banyak dibesarkan ialah Fatty Acid Methyl Ester (FAME) yang umum diketahui dengan nama Biodiesel. Biodiesel ialah bahan bakar alternatif yang menjanjikan serta dapat terbuat dari minyak goreng sisa, lemak hewani ataupun minyak nabati yang dikonversikan ke dalam metil ester lewat proses transesterifikasi memakai alkohol. Reaksi transesterifikasi ini membutuhkan katalis dalam penggunaanya. Setelah di amati, katalis heterogen menjadi katalis yang paling efektif dalam pembuatan biodiesel melalui reaksi transesterifikasi.
Skrining Senyawa Metabolit Sekunder Dan Total Fenol Kopi Robusta (Coffea canephora Pierre Ex a. Froehner) Di Daerah Petungkriyono Pekalongan Muhammad Walid; Dewanti Novela Putri
Pena: Jurnal Ilmu Pengetahuan dan Teknologi Vol 37, No 1 (2023): PENA MARET 2023
Publisher : LPPM Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/jurnalpena.v37i1.2928

Abstract

Coffee is herbs having high economic value which has long been used to drink for a long time in the Pekalongan.Coffee robusta constituting a variety of coffee having distinction from other coffee varieties robusta coffee because quality in stir by means of processing, the climate the planting and growing trees coffee influences the decomposition of a chemical compound which is found in soil and organic influence on the ripening fruit.This report is written with non experimental method, the extraction of coffee beans macerated using ethanol 96 %, a compound of a metabolite secondary identified by test color and chromatography thin layers, the determination of the total phenol done with spektrofotometri UV-Vis and expressed in mg GAE / grams extract.The research results show that robusta coffee beans that grows in Petungkriyono Pekalongan secondary of a metabolite compounds containing an alkaloid, flavonoid, saponin, tannin, triterpenoid, and phenol.Testing to the total phenol which is found in a seed of the coffee robusta obtained a total value of as much as 565,5 GAE / g. Phenol.
Perhitungan Biaya Pelaksanaan Konstruksi Pelat Lantai Beton dan Panel Lantai Pada Proyek Puskesmas Petungkriyono Kabupaten Pekalongan Dwi Kumalasari; Rizqi Ihsan Nur Muhammad; Annas Firman; Tisnawati Tisnawati; Muhammad Abdul Malik Annasir; Nauval Rabbani; Anindita Baskoro Adiyaksa
Pena: Jurnal Ilmu Pengetahuan dan Teknologi Vol 38, No 1 (2024): PENA MARET 2024
Publisher : LPPM Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/jurnalpena.v38i1.4395

Abstract

Perkembangan teknologi pada dunia konstruksi memberikan kemudahan dalam pelaksanaan pekerjaan konstruksi. Bermacam usaha dilakukan untuk mempercepat dan memudahkan tanpa mengurangi kualitas dari pekerjaan, bahan bangunan, dan konstruksinya. Termasuk dalam pelaksanaan pekerjaan pelat lantai dengan menggunakan panel lantai untuk mempercepat dan memudahkan pekerjaan pelat lantai bangunan bertingkat. Penelitian ini memiliki tujuan untuk mengetahui perbandingan anggaran biaya pekerjaan pelat beton konvensional dengan panel lantai dan mengetahui selisih biaya pekerjaan pelat lantai beton konvensional dan panel lantai. Penelitian ini dilakukan pada proyek pembangunan Puskesmas Petungkriyono Kabupaten Pekalongan. Hasil dari penelitian ini yaitu biaya pelaksanaan panel lantai lebih murah yaitu sebesar Rp 96.814.615,65 dibandingkan dengan pelat konvensional dengan nilai Rp 162.879.434,07 dengan selisih biaya sebesar Rp. 66.064.818,42 atau sekitar 59,44% lebih murah menggunakan panel lantai dibandingkan pelat lantai beton konvensional. Kata Kunci : Pelat lantai beton konvensional, panel lantai, perbandingan anggaran biaya, selisih biaya
Analisis Yuridis Penjatuhan Restitusi Terhadap Anak Sebagai Pelaku Tindak Pidana Pembunuhan Devi Rakhmatika
Pena: Jurnal Ilmu Pengetahuan dan Teknologi Vol 37, No 2 (2023): PENA SEPTEMBER 2023
Publisher : LPPM Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/jurnalpena.v37i2.3500

Abstract

Anak merupakan faktor yang penting dalam sebuah negara, anak merupakan seseorang yang akan melanjutkan masa depan kehidupan dimasa yang akan dating. Seperti halnya manusia pada umumnya anak tidak dapat terhindarkan dari berbagai interaksi dan juga perselisihan. Emosi anak yang belum stabil sangat memungkinkan anak melakukan tindak pidana yang menimbulkan kejadian fatal.Pada putusan Nomor : 24/Pid.Sus-Anak/2023/PN Idm, yang merupakan sebuah kasus pidana khusus anak (pembunuhan), anak yang berkonflik dengan hukum melakukan tindak pidana yang berhujung kematian. Saat proses peradilan anak yang berkonflik dengan hukum (pelaku anak) dituntut oleh jaksa penuntut umum untuk melakukan restitusi dengan pidana penjara lebih ringan dari yang seharusnya. Sebagaimana yang kita tahu bahwa dalam system peradilan anak, anak yang berkonflik dengan hukum harus diadili dengan keadilan yang bertujuan pada restorative sebagaimana aturan yang disebutkan dalam Undang-Undang No 11 Tahun 2012 Tentang Sistem Peradilan Anak. Dan dengan pertimbangan hakim yang mengedepankan asas perlindungan anak, hakim memutuskan mengabulkan restitusi Sebagian (tidak sebesar tuntutan JPU) sebagia ganti kerugian atas kerugian dan penderitaan yang dialami oleh keluarga korban.
Analisis Faktor-Faktor Resiko Pekerjaan Bor Pile, Balok, Dan Kolom Pada Proyek Pembangunan RSUD Pandan Arang Fadhilah Arifatunnisa; Budi Priyanto
Pena: Jurnal Ilmu Pengetahuan dan Teknologi Vol 37, No 1 (2023): PENA MARET 2023
Publisher : LPPM Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/jurnalpena.v37i1.2886

Abstract

In the implementation of construction projects, it cannot be separated from problems in project implementation which may be caused by various factors. Of course, in the implementation process there are a number of obstacles that occur in relation to one another and result in other work being disrupted or delayed. This analysis aims to determine the factors that cause obstacles in the Class III Inpatient Building Construction Project of Pandan Arang Hospital. The results of the analysis show that the factors that hinder the completion of the project are the death of heavy equipment used in soil preparation work, hitting a large rock during drilling, flooding during drilling, lack of reinforcing iron fabrication area, porousness during formwork removal, casting carried out during rainy days.
Pengaruh Kepemilikan Manajerial, Kepemilikan Institusional, Profitabilitas dan Likuiditas terhadap Kebijakan Hutang Qorri A’ina Khofiyah; Mahirun Mahirun; Muhammad Rafli Ahliansyah
Pena: Jurnal Ilmu Pengetahuan dan Teknologi Vol 38, No 1 (2024): PENA MARET 2024
Publisher : LPPM Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/jurnalpena.v38i1.3694

Abstract

This study aims to test and analyze the factors that influence debt policy involving managerial ownership, institutional ownership, profitability, and liquidity variables in companies indexed IDX30 on the Indonesia Stock Exchange for the period 2018-2022. The analytical tool we use is multiple linear regression on SPPS software to test the effect of the independent variable on the dependent variable. The findings in this study are institutional ownership, managerial ownership, and current ratio have a negative and significant effect. Meanwhile, another finding of our study is that profitability with the return on assets indicator also has a negative although insignificant effect on corporate debt policy.
Penatalaksanaan Fisioterapi Pada Kondisi Myofascial Syndrome Upper Trapezius Dengan Modalitas Infra Red (IR), Ultrasound (US), Myofascial Release Technique Dan Contract Relax Stretching Arini Khaira Munaya; Eko Budi Prasetyo
Pena: Jurnal Ilmu Pengetahuan dan Teknologi Vol 37, No 2 (2023): PENA SEPTEMBER 2023
Publisher : LPPM Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/jurnalpena.v37i2.2925

Abstract

Myofascial syndrome is a condition characterized by the presence of a hypersensitive region, called a trigger area of muscle or loose connective tissue, together with a specific pain reaction in the area associated with that point when the Trigger Point (Myofascial Trigger Point) is touched or palpated. This causes a localized seizure response known as the confluence sign, which is a shortening of the fibrous muscle fiber. Physiotherapy examination includes pain assessment with Visual Analogue Scale, muscle spasm with palpation, joint range of motion with goniometer, muscle weakness with Manual Muscle Testing, and functional activity with Neck Disability Index. In this case, the interventions chosen were Infra Red (IR), Ultrasound (US), Myofascial Release and Contract Relax Stretching.The purpose of this study was to determine the effect of Infra Red (IR), Ultrasound (US), Myofascial Release and Contract Relax Stretching on the condition of Myofascial Syndrome Upper Trapezius. The research design used in this research is descriptive analytic method. The subjects of this study were patients with Upper Trapezius Myofascial Syndrome at RSUD Dr. SOESELLO SLAWI. The method of collecting research data was 4 times therapy, it was found a decrease in pain at T3, a decrease in M.Upper Trapezius muscle spasm at T4, an increase in the range of motion of the joint, neck flexion at T2, neck extension at T2, lateral neck flexion at T2, neck rotation at T2, increased strength. muscles in flexors at T2, extensors at T4, latero at T3, rotators at T3.
Implementasi Green Accounting di RSUD Bendan Kota Pekalongan Rika Adriyana; Dina Amalia Mahmudah; Anggrainy Putri Ayuningrum
Pena: Jurnal Ilmu Pengetahuan dan Teknologi Vol 37, No 1 (2023): PENA MARET 2023
Publisher : LPPM Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/jurnalpena.v37i1.2515

Abstract

Green accounting provides an overview of protecting the environment by combining environmental benefits with environmental costs such as waste management. The purpose of this study is to find out how the implementation of green accounting in Bendan Hospital and how the accounting treatment starts from identifying, recognizing, measuring, presenting, and disclosing the costs of waste management applied at Bendan Hospital. The method used in this research is a qualitative approach. The object of research is Bendan Hospital, Pekalongan City. The results of this study indicate (1) Bendan Hospital has identified the costs incurred for waste management but have not been identified specifically. (2) Recognition of each cost incurred for waste management using the accrual basic method. (3) Measurement of waste management costs in monetary units, namely rupiah multiplied by waste per kilogram. (4) Bendan Hospital presents these costs in the budget realization report and operational report. (5) Bendan Hospital has not reported environmental costs related to waste management specifically.
Penatalaksanaan Fisioterapi Pada Kondisi Low Back Pain Myogenic Dengan Modalitas Micro Wave Diathermy (Mwd) Dan Core Stability Exercise Eko Budi Prasetyo; Adinda Wira Permata Kusumawati; Dicky Alfindana
Pena: Jurnal Ilmu Pengetahuan dan Teknologi Vol 38, No 1 (2024): PENA MARET 2024
Publisher : LPPM Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/jurnalpena.v38i1.4296

Abstract

Low Back Pain Myogenic is related to disorders of the muscles in the lower back, tendons, and ligaments that can arise when carrying out excessive daily activities such as sitting for long, standing for a long time or lifting weights in the wrong position, where the pain is dull and does not radiate to the chest. limbs. Problematic Low Back Pain Myogenic is pain, spasms, limited range of motion, muscle weakness and decreased functional activity. In this case, the technology chosen is Micro Wave Diathermy (MWD) and Core Stability Exercise.The purpose of the study was to determine the effect of physiotherapy management on Low Back Pain Myogenic conditions with Micro Wave Diatermy (MWD)and Core Stability Exercise as modalities. The research design used in this research is descriptive analytic method. The subjects of this study were patients at Kajen Hospital, Pekalongan Regency. The method of data collection was the analysis of this research data using the autoanamnesis method. The results of the study as many as 5 treatments were as follows: (1) there was a decrease in T1:4 to T5:2 motion pain (2) there was a decrease in spasm from T1:1 to T5:0 (3) there was an increase in ROM in all Trunk movements (4) there is an increase in muscle strength from T1:3 to 4 (5) there is an increase in daily functional activities. The conclusion of the study is that physiotherapy interventions with Micro Wave Diathermy (MWD) and Core Stability Exercise modalities can reduce problems that arise in the Myogenic Low Back Pain condition.Keywords: Micro Wave Diathermy (MWD) and Core Stability Exercise

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