22 research outputs found
Analysis of Contact Resistance Test for PMT Bay Kuningan II 70KV at Sunyaragi Substation: Analisa Uji Tahanan Kontak PMT Bay Kuningan II 70KV di Gardu Induk Sunyaragi
No full textElectrical energy is included in the primary needs of humans in this era, where in this modern era, almost all equipment is electronic based so that the need for electrical energy is very large. In Indonesia, there is a company that is in charge and responsible for processing and distributing electricity to the public, namely PLN or more specifically the Substation. To distribute electricity at this substation, there are primary equipment that functions as a transmission regulator, one of which is a power breaker (PMT). PMT is one of the important assets in the reliability of the electricity system at the substation, so periodic testing and maintenance is very necessary. Testing and maintenance on PMT are very diverse from insulation resistance testing, simultaneous testing (Breaker Analyzer), SF6 gas characteristic testing, and PMT contact resistance testing. This contact resistance test is carried out to determine the resistance value of the PMT contact, from the resistance value obtained it can also be seen for the value of the power loss generated by the PMT when operating
IDENTIFIKASI TERJADINYA OVERFLOW PADA FUEL OIL PURIFIER DI MT. OLYMPUS 1
No full textABSTRAKSI
Rezza Satria Putra, NIT : 52155842.T, 2019, “Identifikasii Terjadinya Overflow pada FO
Purifier di MT. Olympus 1”, skripsi Program Studi Teknika, Program Diploma
IV, Politeknik Ilmu Pelayaran Semarang, Pembimbing I: Sarifuddin, M.Pd,M.
Mar.E. , Pembimbing II: Henny Wahyu., M.Pd
Purifier diatas kapal merupakan salah satu mesin bantu yang memiliki peranan
sangat penting untuk memisahkan bahan bakar dari air, lumpur dan kotoran. Tujuan
penelitian ini adalah untuk membahas hal-hal yang menyebabkan terjadinya overflow pada
FO purifier, mengetahui dampak yang menyebabkan overflow purifier dan upaya
mengatasi terjadinya overflow pada purifier. Kegunaan dari bahan bakar yang sudah bersih
ini adalah untuk mendukung pengoperasian dari mesin diesel dalam menghasilkan
pembakaran yang sempurna, sehingga kerusakan pada mesin akibat penggunaan bahan
bakar yang tidak bersih dapat dikurangi.
Dalam hal ini penulis menggunakan metode Fish bone dan Fault tree analysis,
dimana metode ini adalah untuk mencari sebab-akibat dari permasalahan dan mengambil
beberapa faktor yang lebih dominan untuk dianalisa menggunakan FTA untuk mencari akar
permasalahan dan bagaimana mengatasinya.
Hasil yang diperoleh dari penelitian ini menunjukan bahwa penyebab terjadinya
overflow adalah terjadi kotornya bowl, kebuntuan pada nozzle pada bowl body dan
rusaknya Main Seal Ring dapat berdampak buruk terhadap kerja dari purifier. Ini ditandai
dengan tidak normalnya proses purifikasi pada MFO purifier yang mengakibatkan bahan
bakar bersih tidak keluar melalui pipa keluaran bahan bakar bersih, yang sering disebut
juga dengan overflow. Untuk mengatasi permasalahan diatas cara melakukan pembersihan
serta perawatan secara periodik/berkala terhadap bowl dan nozzle tersebut betul-betul
dijaga terutma kebersihannya dari lumpur pada bowl dan kerak-kerak yang dapat
menimbulkan kebuntuan pada nozzle, apabila terjadi kebuntuan pada nozzle, apabila terjadi
kebuntuan maka segeralah dibersihkan dan dirawat, dan mengganti Main Seal Ring dengan
yang baru sebelum jam kerjanya.
ABSTRACT
Rezza Satria Putra, NIT: 52155842.T, 2019, "Identification of Overflow Occurrence in
FO Purifier in MT. Olympus 1 ", Mini thesis of the Technical Study Program,
Diploma IV Program, Semarang Shipping Science Polytechnic, Advisor I:
Sarifuddin, M.Pd,M. Mar.E. Advisor II: Henny Wahyu., M.Pd
Purifiers on board are one of the auxiliary machines that have a very important role
to separate fuel from water, mud and dirt The purpose of this study is to discuss things that
cause overflow in the FO purifier, find out the impact that causes overflow purifier and
efforts to overcome the occurrence of overflow in the purifier. The usefulness of this clean
fuel is to support the operation of the generator engine in producing perfect combustion, so
that damage to the engine due to the use of non-clean fuel can be reduced
Considering the importance of function FO Purifier for quality of Lubricating main
engine so this machinery must be treat as well as procedure. In this case the author uses the
method fishbone and fault tree analysis, where this method to find the cause and effect of
the problems and factors more dominant to be analyzed by using the analysis of fault trees
to find out and how to overcome them.
The results obtained from this study show that the cause of overflow is bowl
dirtyness, deadlock on the nozzle in bowl body and wear of the Main Seal Ring can
adversely affect the work of the purifier. This is indicated by the abnormal purification
process in the MFO purifier which results in clean fuel not coming out through the clean
fuel output pipe, which is often referred to as overflow. To overcome the above problems
how to do cleaning and maintenance periodically / periodically against th
e bowl and nozzle is really maintained especially cleanliness of the mud in the
bowl and crust which can cause deadlock on the nozzle, if there is a deadlock at the nozzle,
if there is a deadlock then immediately cleaned and treated, and replaced the Main Seal
Ring with new ones before working hour
Direct evidence of extensive diversity of HIV-1 in Kinshasa by 1960
No full textHuman immunodeficiency virus type 1 (HIV-1) sequences that pre-date the recognition of AIDS are critical to defining the time of origin and the timescale of virus evolution. A viral sequence from 1959 (ZR59) is the oldest known HIV-1 infection. Other historically documented sequences, important calibration points to convert evolutionary distance into time, are lacking, however; ZR59 is the only one sampled before 1976. Here we report the amplification and characterization of viral sequences from a Bouin's-fixed paraffin-embedded lymph node biopsy specimen obtained in 1960 from an adult female in Léopoldville, Belgian Congo (now Kinshasa, Democratic Republic of the Congo (DRC)), and we use them to conduct the first comparative evolutionary genetic study of early pre-AIDS epidemic HIV-1 group M viruses. Phylogenetic analyses position this viral sequence (DRC60) closest to the ancestral node of subtype A (excluding A2). Relaxed molecular clock analyses incorporating DRC60 and ZR59 date the most recent common ancestor of the M group to near the beginning of the twentieth century. The sizeable genetic distance between DRC60 and ZR59 directly demonstrates that diversification of HIV-1 in west-central Africa occurred long before the recognized AIDS pandemic. The recovery of viral gene sequences from decades-old paraffin-embedded tissues opens the door to a detailed palaeovirological investigation of the evolutionary history of HIV-1 that is not accessible by other method
ANALISIS PROSES PRODUKSI DRUM BRAKE DENGAN METODE VALUE STREAM MAPPING (VSM) DAN FISHBONE DIAGRAM UNTUK MEMINIMASI WASTE DI CV. BUMI BUANA CITRA
No full textJika membutuhkan abstrak atau isi jurnal silahkan menghubungi author melalui e-mail [email protected] atau [email protected]
Dipublikasikan tanggal: 14 Juni 202
Monitoring Over Under Voltage Generator Pada Perubahan Beban
No full textAbstract – In this study, the author designed a monitoring system for Over/Under voltage Generator on load changes. The quality of electric power in an electrical circuit system is very necessary. Poor quality power supply can cause interference and even damage the equipment system or electrical circuit. One form of interference is the occurrence of under/over voltage. To overcome this, a protective device is needed that can detect under/over voltage disturbances and secure electrical equipment. Under/over voltage relays are designed to detect under/over voltage disturbances at single-phase and 3-phase voltages of 220 V 50 Hz. The voltage limit for under- voltage disturbance is -5% of the normal voltage of 220 V, while over-voltage disturbance is +5% of the normal voltage. And the delay setting for under/over voltage relay is 5 seconds. The output of the relay is connected to the load, the load will be cut off in the event of an Over/Under voltage disturbance
Mobile-Based E-Sociometry Application Development at the Counseling Guidance Laboratories of the State Islamic Institute (IAIN) Bukittinggi
No full textSociometry is something that can be used in studying the structure of social relations among a group of individuals on the basis of research on social relations and social status of each member of the group concerned. Currently the service of sociometric instruments in the guidance and counseling laboratory of the Bukittinggi State Islamic Institute is still using conventional techniques using Ms.Excel. It is done manually using the distribution of questionnaires, Ms.Excel, which is still combined with Ms.Acces, which is not online yet , so that it can only be distributed in labor, and the next problem is that the application that uses Ms.Excel cannot yet display sociometric reports graphically. The research method that the author uses is the R&D Research & Development method with a waterfall SDLC (System Development Life Cycle) system development model consisting of the Communication.Planning.Modeling stages. Construction.Deployment. For the product test that the author did, the results obtained: the validity test by the validator obtained a value of 0.85 with valid criteria, the practicality test by the practitioner obtained a value of 0.83 with the Very Practical criteria, and the effectiveness test by the effectivator obtained a value of 0.75 with the Very Effective criteria.</p
Plausibility or truth. Archival notes and reflections on the canvas of the ‘Militant and triumphant Church’ ascribed to Jacopo Zucchi
No full textWhile retracing the traditional history of the painting, which was fi rst ascribed to Federico Zuccari and later to
Jacopo Zucchi, the author hereby presents the long and painstaking research that has gradually confi rmed this
second hypothesis. The reader will, therefore, fi nd a synthesis of the history of this painting, which was surely
enough fi rst hosted in St Peter's Basilica, then moved to the Church of St Catherine of Alexandria and fi nally to
the Vatican Sacristy. Based on a number of inconsistencies which emerged during archival research, doubts still persist with regard to
the historicity of this historical-artistic tradition. Despite the fact that scholars are fi rmly inclined to ascribe the
painting to Zucchi, some unpublished documents tend to undermine this assumption, while still implying that the
painting might be by an artist of the Zuccari famil
Korelasi Antara Aktivitas Belajar Panahan Dengan Konsep Diri Siswa
No full textDalam pembelajaran pendidikan jasmani olahraga panahan adalah contoh olahraga
permainan aktifitas fisik.Salah satu cara untuk menjembatani kekurangan jam dalam proses
aktivitas belajar dan memberi wadah bagi siswa yang ingin mengembangkan potensi, Hal
ini dalam aktivitas belajar panahan bisa menjadi alternatif untuk mengembangkan konsep
diri dan mempengaruhi siswa karena sangat berhubungan pembelajaran panahan
mencakupi beberapa faktor untuk mengembangkan konsep diri siswa. Instrumen yang
digunakan dalam pengumpulan data ini yaitu menggunakan kuisioner dengan skala
likert.Pada penyusunan angket ini sebagai acuan untuk mengusun pertanyaan yang akan
dituangkan pada kuisioner (angket). Angket yang dipakai oleh penulis dalam penelitian
yaitu angket tertutup.dengan jumlah sampel keseluruhan sebanyak 31 siswa dari deskripsi
tabel 4.1 dapat diketahui bahwa data aktivitas belajar memiliki skor minimum 162,
maximum 230 rata-rata 188,65, standar deviasi 15,316 Sedangkan konsep diri memiliki
skor minimum 118, maximum 165, rata-rata 135,29 standar deviasi 11,432 nilai hasil
aktivitas belajar Kolmogorov – Smirnov dengan stat 0,072, dan konsep diri mendapat nilai
stat 0,098.Dari analisis data yang telah dilakukan, aktivitas belajar panahan dengan konsep
diri siswa dapat disimpulkan terdapat korelasi dan signifikan keterhubugan antara aktivitas
belajar panahan dengan konsep diri siswa yang dilakukan oleh 31 siswa dan siswi di SMA
Labschool UPI
In learning physical education, archery is an example of a physical activity game. One way
to bridge the shortage of hours in the learning activity process and provide a forum for
students who want to develop their potential, this is in archery learning activities can be an
alternative to develop self-concept and influence students because it is very related archery
learning includes several factors to develop students' self-concept. The instrument used in
this data collection is using a questionnaire with a Likert scale. In the preparation of this
questionnaire as a reference for preparing questions that will be included in the
questionnaire (questionnaire). The questionnaire used by the author in this study is a closed
questionnaire. With a total sample of 31 students from the description in table 4.1, it can
be seen that the learning activity data has a minimum score of 162, a maximum of 230, an
average of 188.65, a standard deviation of 15.316. minimum 118, maximum 165, average
135.29 standard deviation 11,432 Kolmogorov – Smirnov learning activity results with
0.072 stats, and self-concept scores 0.098 stats. From the data analysis that has been carried
out, archery learning activities with students' self-concepts can be concluded there is a
significant and significant correlation between archery learning activities and student self�concepts carried out by 31 students at SMA Labschool UP
IMPLEMENTASI BIMBINGAN PERNIKAHAN MUBAROKAH TERHADAP SANTRI PONDOK PESANTREN DARUL MUSTHOFA KECAMATAN TRIMURJO KABUPATEN LAMPUNG TENGAH
No full textABSTRAK
Sebuah pernikahan bukan hanya urusan perdata semata, bukan
pula sekedar urusan keluarga dan masalah budaya, tetapi masalah dan
peristiwa agama, oleh karna itu pernikahan dilakukan untuk memahami
sunnah Allah dan sunnah Nabi, dan dilaksanakan sesuai dengan
petunjuk Allah dan petunjuk Nabi. Disamping itu, pernikahan juga
bukan untuk mendapatkan ketenangan hidup sesaat, tetapi untuk selama
hidup. Oleh karena itu seseorang harus menentukan pilihan pasangan
hidupnya itu secara hati-hati dan dilihat dari berbagai segi. Umumnya,
yang banyak terjadi adalah orang akan menikahi laki-laki atau wanita
yang dicintai sebelumnya, atau juga yang telah dipacarinya selama
berbulan-bulan, bahkan ada yang sudah dipacari selama bertahun
tahun. Akan tetapi, Di Pomdok Pesantren Darul Musthofa Kecamatan
Trimurjo, santri di larang untuk berpacaran, untuk santri yang ingin
menikah akan dilakukan dengan sesuai syariat islam dengan
mengadakan bimbingan pernikahan mubarokah. Penelitian ini
bertujuan untuk mengetahui implementasi bimbingan pernikahan
mubarokah terhadap santri di Pomdok Pesantren Darul Musthofa
Kecamatan Trimurjo Kabupaten Lampung Tengah.
Jenis penelitian ini adalah penelitian lapangan (field reseach).
Sifat penelitian dalam skripsi ini adalah deskriptif analisis. Pendekatan
penelitian yang digunakan oleh penulis adalah pendekatan kualitatif.
Metode pengumpulan data yang penulis gunakan adalah wawancara,
observasi, dan dokumentasi. Analisis data kualitatif dalam penelitian
ini dibagi dalam tiga alur kegiatan, yaitu: (1) Data Reduction (Reduksi
Data); (2) Display Data (Penyajian Data) ; dan (3) Conclusion
Drawing/Verification.
Temuan dalam penelitian ini menunjukkan bahwa
implementasi bimbingan pernikahan mubarakah di Pondok Pesantren
Darul Musthofa dibatasi pergaulan putra dan putri. Dari masa karantina
hingga pelaksanaan acara dibuat terpisah antara putra dan putri.
Termasuk pengaturan tamu-tamu keluarga dan masyarakat.
Pembatasan putra dan putri dalam sebuah acara adalah bentuk dari
perlindungan jiwa. Agar mereka terhindar dari fitnah, pelecehan dan
maksiat yang seringkali terjadi jika tidak ada pembatasan ruang dan
jarak laki-laki perempuan. Pada pembekalan pernikahan, para santri
juga digembleng dengan kerja bakti dan kerja keras. Hal ini untuk
menumbuhkan mental dan etos kerja yang kuat sebagai seorang
pemimpin keluarga. Salah satu modal penting seorang pemimpin
adalah bekerja keras sebagai sebuah tanggung jawab. Dalam dokumen
pernikahan mubarakah di Pondok Pesantren Darul Musthofa, pembimbing pernikahan memberitahukan kepada para santri mengenai
berbagai persyaratan data administrasi untuk menikah. Seperti
mengumpulkan foto copy KTP, KK, ijazah terakhir, akte kelahiran,
foto. Data-data tersebut untuk pencatatan pernikahan dan mendapatkan
buku nikah.
Kata Kunci: Implementasi, Bimbingan Pernikahan Mubarokah,
Santri. ABSTRACT
A marriage is not just a civil matter, nor is it just a family
matter and cultural matter, but a religious matter and event, therefore
a marriage is carried out to understand the sunnah of Allah and the
sunnah of the Prophet, and is carried out in accordance with Allah's
instructions and the Prophet's instructions. Besides that, marriage is
not for a moment of peace in life, but for life. Therefore, a person must
determine their choice of life partner carefully and look at it from
various aspects. Generally, what often happens is that people will
marry a man or woman they have loved before, or have been dating for
months, some have even been dating for years. However, at the Darul
Musthofa Islamic Boarding School, Trimurjo District, students are
prohibited from dating, students who want to get married will do so in
accordance with Islamic law by holding mubarokah marriage
guidance. This research aims to determine the implementation of
mubarokah marriage guidance for students at the Darul Musthofa
Islamic Boarding School, Trimurjo District, Central Lampung
Regency.
This type of research is field research. The nature of the
research in this thesis is descriptive analysis. The research approach
used by the author is a qualitative approach. The data collection
methods that the author uses are interviews, observation and
documentation. Qualitative data analysis in this research is divided into
three activity streams, namely: (1) Data Reduction; (2) Data Display
(Data Presentation); and (3) Conclusion Drawing/Verification.
The findings in this research indicate that the implementation
of mubarakah marriage guidance at the Darul Musthofa Islamic
Boarding School is limited by the interaction of sons and daughters.
From the quarantine period to the implementation of the event, boys
and girls were separated. Including arrangements for family and
community guests. Restricting sons and daughters from an event is a
form of mental protection. So that they avoid slander, harassment and
immorality which often occurs if there are no restrictions on space and
distance between men and women. During the wedding training, the
students were also trained through devotional work and hard work.
This is to develop a strong mentality and work ethic as a family leader.
One of the important assets of a leader is working hard as a
responsibility. In the mubarakah marriage documents at the Darul
Musthofa Islamic Boarding School, the marriage counselor informs the
students about the various administrative data requirements for getting
married. Such as collecting photocopies of KTP, family card, latest diploma, birth certificate, photos. These data are for registering
marriages and obtaining a marriage book.
Keywords: Implementation, Mubarokah Wedding Guidance, Santri
Relative effectiveness of a 2nd booster dose of COVID-19 mRNA vaccine up to four months post administration in individuals aged 80 years or more in Italy: A retrospective matched cohort study
No full textSeveral countries started a 2nd booster COVID-19 vaccination campaign targeting the elderly population, but evidence around its effectiveness is still scarce. This study aims to estimate the relative effectiveness of a 2nd booster dose of COVID-19 mRNA vaccine in the population aged ≥ 80 years in Italy, during predominant circulation of the Omicron BA.2 and BA.5 subvariants. We linked routine data from the national vaccination registry and the COVID-19 surveillance system. On each day between 11 April and 6 August 2022, we matched 1:1, according to several demographic and clinical characteristics, individuals who received the 2nd booster vaccine dose with individuals who received the 1st booster vaccine dose at least 120 days earlier. We used the Kaplan-Meier method to compare the risks of SARS-CoV-2 infection and severe COVID-19 (hospitalisation or death) between the two groups, calculating the relative vaccine effectiveness (RVE) as (1 – risk ratio)X100. Based on the analysis of 831,555 matched pairs, we found that a 2nd booster dose of mRNA vaccine, 14–118 days post administration, was moderately effective in preventing SARS-CoV-2 infection compared to a 1st booster dose administered at least 120 days earlier [14.3 %, 95 % confidence interval (CI): 2.2–20.2]. RVE decreased from 28.5 % (95 % CI: 24.7–32.1) in the time-interval 14–28 days to 7.6 % (95 % CI: −14.1 to 18.3) in the time-interval 56–118 days. However, RVE against severe COVID-19 was higher (34.0 %, 95 % CI: 23.4–42.7), decreasing from 43.2 % (95 % CI: 30.6–54.9) to 27.2 % (95 % CI: 8.3–42.9) over the same time span. Although RVE against SARS-CoV-2 infection was much reduced 2–4 months after a 2nd booster dose, RVE against severe COVID-19 was about 30 %, even during prevalent circulation of the Omicron BA.5 subvariant. The cost-benefit of a 3rd booster dose for the elderly people who received the 2nd booster dose at least four months earlier should be carefully evaluated
