bluuebunny/crossref_metadata_2025_split huggingface dataset:
Radar Method in a Uniformly Accelerated Reference Frame
Authors: Voytik V. V. 
Published: May 2023

The purpose of this work is to generalize the radar method known for the inertial frame of reference to the case of a uniformly accelerated frame of reference.The derivation of the corresponding formulas is based on the standard for the theory of relativity metric of a uniformly accelerated Möller frame of reference without applying any space-time transformation between some auxiliary inertial frame and the accelerated frame. To solve the problem of determining the trajectory of a light beam, depending on the initial direction of propagation, Fermat’s principle is used. To calculate the flight time of a photon to an object, knowing its coordinates, the condition of the light-likeness of the interval for the propagation of light is additionally introduced.The resulting trajectory of the light particle is an arc of a circle. For a small area near the source, the photon trajectory coincides with the parabolic trajectory of a classical corpuscle. An equation has been derived for the direction in which the radio signal is sent. The actual location of the object is not in the direction of the initial motion of the photon, but somewhat lower. The value of the angle of gravitational refraction for a closely spaced resting object is calculated. The further the object is in the “horizontal” direction, the greater the angle of refraction. The flight time of the light signal to the object is found. The signal emitted in the direction that forms an acute angle with the direction of acceleration leads the radio signal in the inertial frame of reference. Therefore, for a close object located above the radiation source, the calculated Shapiro delay time is negative. The coordinates of the remote object are also calculated.The totality of the obtained equalities completely determines the radar method. The resulting equalities, perhaps, allow for experimental verification.
Anticancer Activity Study of Modified Artocarpin Compound from Pudau Plant (Artocarpus kemando Miq.)
Authors: Suhartati Tati , Sa’diah Khalimatus , Yandri Yandri , Hadi Sutopo 
Published: May 2023

This research is a continuation of the successful isolation of artocarpin from the root of Artocarpus kemando Miq reported in our previous study. In the previous study, the artocarpin was characterized with UV-Vis and FTIR techniques. In this follow-up investigation, the artocarpin was subjected to a transesterification reaction using acetic anhydride and pyridine as catalysts, and the product of the reaction was specified as compound 1. The compound 1 was further characterized with different techniques to gain more complete data and then tested for anticancer activity test against P-388 murine leukemia cells. Characterizations of the compound 1 using 1H-NMR and 13C-NMR techniques suggest that the modification reaction resulted in the conversion of the -OH groups at C2' and 4' at the artocarpin molecule to -OOCH3, and based on the MS analysis, the compound was proposed to have the molecular formula of C30H32O8. Another important feature of compound 1 that should be noted is the significant improvement in stability compared to the unmodified artocarpin. Anticancer activity tests against P-388 murine leukemia cells revealed that compound 1 has an IC50of 2.35 g/mL, confirming that the compound is categorized as an active anticancer agent and suggesting that the compound has promising potential that deserves further investigations. Doi: 10.28991/ESJ-2023-07-03-05 Full Text: PDF
Konsep Penguatan Fungsi Legislasi Dewan Perwakilan Rakyat Republik Indonesia Pasca Amandemen UUD NRI Tahun 1945
Authors: Asmara Galang , Risnain Muh. , Zunnuraeni Zunnuraeni , Karyati Sri 
Published: May 2023

Politik hukum fungsi legislasi DPR RI terdapat dalam konstitusi yang mengalami perubahan yang fundamental pasca amandemen. Fungsi legislasi yang sebelum diamandemen dipegang oleh presiden, setelah perubahan konstitusi kewenangan legislasi dimiliki oleh DPR. Perubahan kewenangan tidak saja dimaksudkan untuk terciptanya proses check and balance dalam proses pembentukan undang-undang, tetapi juga dihajatkan untuk menjawab kebutuhan pembangunan hukum nasional yang berkualitas.Pelaksanaan fungsi legislasi DPR RI setelah perubahan konstitusi tidak dapat dijalankan secara maksimal karena diindikasikan dengan minimnya produk legislasi dan tidak berkualitasnya undang-undang yang dihasilkan DPR. Capaian legislasi yang tidak tercapai sesuai target legislasi dan banyaknya UU yang diajukan judicial review di MK menjadi tolok ukur pelaksanaa fungsi legislasi DPR RI.Konsep penguatan fungsi legislasi DPR RI dapat dilakukan dengan mereposisi Badan Legislasi DPR RI sebagai Law center , memperkuat Supporting system DPR RI, melakukan pembuatan blue print penguatan pelaksanaan fungsi legislasi DPR RI. Pelaksanaan fungsi legislasi DPR RI yang optimal harus didukung oleh kelembagaan pada alat kelengkapan DPR RI yang fungsional dan didukung oleh supporting system yang handal. Oleh karena itu DPR dan Presiden hendaknya mendesain kelembagaan dan supporting system pelaksanaan fungsi legislasi DPR RI dalam UU MD3.Kebijakan reposisi Badan Legislasi DPR RI sebagai Law center, memperkuat Supporting system DPR RI, melakukan pembuatan blue print penguatan pelaksanaan fungsi legislasi DPR RI hendaknya dilakukan DPR RI dengan melakukan perubahan terhadap UU MD3.
Model Perlindungan Hukum Bagi Anak Jalanan Terhadap Tindak Pidana Seksual Di Indonesia
Authors: Karyati Sri 
Published: May 2023

Penelitian ini merupakan penelitian normative yan menitikberatkan pada kajian perundan-undangan dan bertujuan untuk mengkaji bagaimana pengaturan perlindungan hukum bagi anak jalanan terhadap kejahatan seksual dan model perlindungan hukum bagi anak jalanan terhadap kejahatan seksual.Sebagai subjek hukum, anak-anak harus mendapatkan perlakuan dan perlindungan yang sama dengan orang dewasa. Perlindungan terhadap anak-anak jalanan merupakan amanat yang terkandung dalam Pasal 34 Ayat (1) UUD NRI tahun 1945. Jumlah anak jalanan makin meningkat dan hal ini diikuti oleh meningkatnya kejahatan yang dialami oleh anak-anak jalanan, khususnya kejahatan seksual. Dan jika dikaitkan dengan amanat konstitusi maka Pemerintah mempunyai kewajiban untuk menjadi pionir dalam hal mengurangi tingkat kejahatan seksual yang terjadi dikalangan anak-anak jalanan serta berkewajiban untuk melindungi hak-hak anak jalanan untuk tidak mendapat pelecehan seksual khususnya.
Implementasi Algoritma Cheapest Insertion Heuristic dalam Menentukan Rute Pengiriman Barang
Authors: Fargiana Farid Risqullah 
Published: May 2023

Abstract. The online trading system has become a common thing for today's society. Freight forwarding companies, whose job is to deliver goods from sellers to buyers, have an important role in online trading. One of the freight-forwarding companies is SiCepat Express Baleendah. The delivery route used by SiCepat Express Baleendah is not organized so it is often inefficient. This problem in Mathematics is known as the Traveling Salesman Problem and can be solved using the Cheapest Insertion Heuristic (CIH) Algorithm. Hence, it is necessary to know how to determine the route of delivery of goods using the CIH Algorithm, also, the comparison of results and efficiency between the routes obtained from the application of the CIH Algorithm and the routes used by SiCepat Express Baleendah. From the research, it was found that the total distance for shipping goods obtained using the CIH Algorithm with Python was 3,757 km, while the route from SiCepat Express Baleendah was 4.840 km. The application of the CIH Algorithm with Python is proven to provide a route with a total distance of 22.38% smaller than the total distance traveled by the route used by SiCepat Express Baleendah.
Abstrak. Sistem jual beli secara online sudah menjadi hal yang umum bagi kalangan masyarakat saat ini. Perusahaan pengirim barang, yang bertugas untuk mengirimkan barang dari penjual ke pembeli, memiliki peran penting dalam jual-beli online. Salah satu perusahaan pengiriman barang adalah SiCepat Express Baleendah. Rute pengiriman barang yang digunakan oleh SiCepat Express Baleendah tidak terorganisir sehingga seringkali tidak efisien. Permasalahan tersebut dalam Ilmu Matematika dikenal sebagai Travelling Salesman Problem dan dapat diselesaikan dengan Algoritma Cheapest Insertion Heuristic (CIH). Berdasarkan hal tersebut perlu diketahui cara menentukan rute pengiriman barang menggunakan Algoritma CIH serta perbandingan hasil dan efisiensi antara rute yang diperoleh dari penerapan Algoritma CIH dengan rute yang digunakan SiCepat Express Baleendah. Dari penelitian didapatkan total jarak tempuh pengiriman barang yang diperoleh menggunakan Algoritma CIH dengan Python adalah sebesar 3,757 km, sedangkan hasil yang digunakan oleh SiCepat Express Baleendah adalah sebesar 4,840 km. Penerapan Algoritma CIH dengan Python terbukti memberikan rute dengan total jarak tempuh 22,38% lebih kecil dibandingkan total jarak tempuh rute yang digunakan oleh SiCepat Express Baleendah.
Evaluasi Produksi Crushing Plant Batu Andesit di PT. XYZ Pamoyanan Purwakarta
Authors: Dynand Riyan Reyhand , Linda Pulungan  , Rully Nurhasan  
Published: May 2023

Abstract. Analysis of the performance of PT. XYZ's crushing plant on tool productivity based on parameters obtained in the field aims to find out how the tool works against the targets set by the company for later improvements so that the targets set by the company can be achieved. Several problems that occur in the crushing plant during the production process have a direct impact on the productivity of the crushing plant, a very fatal production impact is the production target that is not achieved where the current crushing plant production is 1,576.84 tons/day while the target set by the company is 1,650 tons/day. In the primary crushing stage, the results obtained are MA = 82.10%, PA = 83.72%, UA = 89.17%, EU = 74.65% and PRI = 88%. In the secondary crushing stage, MA = 86.05%, PA = 87.44%, UA = 88.56%, EU = 77.44% and PRI = 87%. Furthermore, in the secondary crushing stage 2, the results obtained are MA = 84.06%, PA = 85.58%, UA = 88.86%, EU = 76.05% and PRI = 73%. Correlation of data was performed using Simple Linear Regression and Mann-Whitney, the parameter used was the inhibition time with production. This correlation variable aims to see if the data is normally distributed or not and also to see the relationship between the constraints of time and production.
Abstrak. Analisis kinerja crushing plant PT. XYZ terhadap produktivitas alat berdasarkan parameter-parameter yang didapat di lapangan bertujuan untuk mengetahui pencapaian kinerja alat terhadap target yang ditentukan oleh perusahaan untuk nantinya akan dilakukan perbaikan-perbaikan sehingga target yang ditetapkan oleh perusahaan bisa tercapai. Beberapa masalah yang terjadi di crushing plant saat proses produksi berlangsung berdampak langsung terhadap produktivitas crushing plant tersebut, dampak yang sangat fatal adalah target produksi yang tidak tercapai dimana produksi crushing plant saat ini sebesar 1.576,84 ton/hari sedangkan target produksi yang telah ditetapkan oleh perusahaan adalah 1.650 ton/hari. Pada tahap primary crushing diperoleh hasil MA = 82,10%, PA = 83,72%, UA = 89,17%, EU = 74,65% dan PRI = 88%. Pada tahap secondary crushing dihasilkan MA = 86,05%, PA = 87,44%, UA= 88,56%, EU = 77,44% dan PRI = 87%. Selanjutnya pada tahap secondary crushing 2 diperoleh hasil MA = 84,06%, PA = 85,58%, UA = 88,86%, EU = 76,05% dan PRI = 73%. Dilakukan korelasi data menggunakan Regresi Linier Sederhana dan Mann-Whitney, parameter yang digunakan adalah waktu hambatan dengan produksi. Korelasi variabel ini bertujuan untuk melihat data tersebut berdistribusi normal atau tidak dan juga untuk melihat hubungan dari waktu hambatan dengan produksi.
Kajian Pengaruh Geometri Jalan Terhadap Konsumsi Bahan Bakar Alat Angkut pada Penambangan Andesit
Authors: Laksana Vidy Bayu , Iswandaru  
Published: May 2023

Abstract. The excavation, loading and transportation activities are one of the activities that consume the largest mining operational costs. At least, the operational costs that must be spent only for fuel can reach ± 40% of the total expenditure of all operational costs. Based on this, direct observations were made and carried out data collection such as road geometry, fuel consumption, CycleTime, Fill Factor, Swell Factor, and others. Furthermore, simulations were also carried out using the help of Talpac software in order to get the recommended speed values for each segment and cycle time. Based on observations, the actual average production in front A is 93.52 tons/hour with an average fuel consumption of 4.31 liters/hour. The actual average production gain in Front A is 103.92 tons/hour with an average fuel consumption of 4.15 liters/hour for transportation equipment. The actual value of the fuel ratio on front A for excavators is 0.80 liters/BCM and for dump trucks is 0.11 liters/BCM. The actual value of the fuel ratio on front B for excavators is 0.67 liters/BCM and for dump trucks is 0.10 liters/BCM. The actual value of Fuel Cost on Front A for excavator is Rp. 91,072,500,- and for dumptruck is Rp. 15,427,500. The actual value of Fuel Cost on Front B for excavator is Rp. 90,192,500,- and for dumptruck is Rp. 15,592,500.
Abstrak. Kegiatan penggalian, pemuatan dan pengangkutan ini menjadi salah satu kegiatan yang menghabiskan biaya operasional penambangan paling besar. Setidaknya, biaya operasional yang harus dikeluarkan hanya untuk bahan bakar bisa mencapai ± 40% dari total pengeluaran seluruh biaya operasional. Berdasarkan hal tersebut, dilakukan observasi langsung dan melakukan pengambilan data seperti geometri jalan, konsumsi bahan bakar, CycleTime, Fill Factor, Swell Factor, dan lain-lain. Selanjutnya juga dilakukan simulasi menggunakan bantuan software Talpac agar mendapat nilai rekomendasi kecepatan setiap segmen dan cycle time. Berdasarkan hasil pengamatan, rata-rata produksi di front A aktual adalah 93,52 ton/jam dengan rata-rata konsumsi bahan bakar alat angkut sebesar 4,31 liter/jam. Besar perolehan rata-rata produksi di Front A aktual adalah 103,92 ton/jam dengan rata-rata konsumsi bahan bakar alat angkut sebesar 4,15 liter/jam. Nilai fuel ratio secara aktual pada front A untuk excavator adalah sebesar 0,80 liter/BCM dan untuk dumptruck adalah sebesar 0,11 liter/BCM. Nilai fuel ratio secara aktual pada front B untuk excavator adalah sebesar 0,67 liter/BCM dan untuk dumptruck adalah sebesar 0,10 liter/BCM. Nilai Fuel Cost secara aktual pada Front A untuk excavator adalah sebesar Rp91.072.500,- dan untuk dumptruck adalah sebesar Rp15.427.500,-. Nilai Fuel Cost secara aktual pada Front B untuk excavator adalah sebesar Rp90.192.500,- dan untuk dumptruck adalah sebesar Rp15.592.500,-.
А clinical case of thrombosis in a teenager in the post COVID-19 period
Authors: Zhdanova L. V. , Laperdina M. L. 
Published: May 2023

The article presents a case of a fatal outcome of a 15-year-old teenager with cerebral vascular thrombosis, which developed in the post COVID-19 period. The young man came in with complaints of headache, vomiting, photophobia, hyperacusis. It was known that at an early age he had been operated on for the Arnold – Chiari anomaly, had a subdural-peritoneal shunt. Two weeks before hospitalization, he suffered a new coronavirus infection of mild severity, which was confirmed by a positive analysis of a smear from the oropharynx by polymerase chain reaction. Cephalgia was acute, stopped for a short time after the use of analgesics. During the examination, the patient laid with his eyes closed, asked for silence and blackout in the ward. Any movement of the head was accompanied by dizziness, headache, vomiting. During an objective examination, no pathological changes were found on the part of the internal organs. The neurological status was determined by photophobia, double vision, asymmetric face, asymmetry of the eye slits S > D, drooping of the left corner of the mouth, nystagmus, hyperacusis. There was no rigidity of the occipital muscles. Meningeal signs were negative. There were no pelvic disorders. According to the laboratory examination, lymphocytopenia, thrombocytosis, acceleration of ESR, moderate increase in ferritin, D-dimers were detected. Conducted neuroimaging methods (MSCT of the brain with intravenous contrast, brain MRI, ultrasound diagnostics of cerebral vessels) did not find any blood clots in intracranial and extracranial vessels. Low-positive values of IgM antibodies to cardiolipin were revealed. According to the results of polymerase chain reaction, polymorphism G20210A was detected in the prothrombin gene. The patient received high-dose glucocorticoids and heparin for treatment. Despite the therapy, a month and a half after hospitalization, the teenager died from thrombosis of the central venous sinuses (cavernous sinus on the left, transverse sinuses, jugular veins), which were confirmed on autopsy. This clinical case of venous sinus thrombosis in a teenager in the post COVID-19 period presented diagnostic difficulties, since accurate imaging methods did not detect the presence of a blood clot in the cerebral vessels.
Diagnosis and comparative analysis of surgical treatment of patients with liver alveococcosis
Authors: Panteleev V. S. , Nartaylakov M. A. , Salimgareev I. Z. , Petrov A. S. 
Published: May 2023

Rationale. Alveococcosis is a rare disease, its diagnosis and treatment depend on surgical techniques, equipment and clinical experience. The aim. To develop a diagnostic algorithm and compare the results of surgical treatment of patients with liver alveococcosis in different periods of time.Materials and methods. At the first stage, we carried out a retrospective analysis (1995–2007) of 33 patients with alveococcosis (a comparison group). At the second stage, a prospective clinical study (2008–2021) was performed on 39 patients (the main group). The number of patients was determined in accordance with the inclusion and exclusion criteria, and the study groups were comparable in age, sex, parasite localization (p > 0.05). For the names of operations, the WHO classification of alveococcosis was used.Results. In the main group, there is an increase in the applicability of: enzyme immunoassay; ultrasound and computed tomography; biopsy. Complications decreased by 2.7 times from 54.6 % in the comparison group to 20.6 % in the main group (χ2 = 8.97; df = 1; p = 0.003). The average duration of operations, as well as the average volume of blood loss in the comparison group and the main group were, respectively: with atypical resection – 220.4 and 180.2 min (p = 0.003), 640.1 and 480.0 ml (p = 0.005); with anatomical resection – 296.2 and 247.2 min (p = 0.002), 1450.2 and 1150.3 ml (p = 0.018); with cytoreductive resection – 230.2 and 200.1 min (p = 0.004), 860.3 and 670.4 ml (p = 0.001). There were 13 (39 %) cytoreductive resections in the comparison group, and 3 (8 %) in the main group (χ2 = 4.74; df = 1; p = 0.029).Conclusion. Timely diagnosis of alveococcosis leads to an increase in the number of radical resections, and modern surgical technologies and equipment can reduce the time of surgery, blood loss and the number of complications.
Experience in surgical treatment of enteroatmospheric fistulas in the late period of postoperative peritonitis
Authors: Zharikov A. N. , Lubyanskiy V. G. , Aliev A. R. , Seroshtanov V. V. , Vlasov K. E. 
Published: May 2023

Background. Enteroatmospheric fistulas (EAF) that occur during the use of the “open abdomen” surgical tactics are a complex surgical pathology with a high mortality rate.The aim. To assess the effectiveness of treatment of various forms of enteroatmospheric fistulas in patients with postoperative peritonitis using vacuum aspiration technology.Methods. We assessed the results of the surgical treatment of 46 patients with EAF in the late course of postoperative peritonitis (PP). Three clinical and morphological groups were distinguished: group 1 (n = 24) – EAF in small wounds of the anterior abdominal wall; group 2 (n = 15) – EAF opening into limited cavities; group 3 (n = 7) – EAF opening into laparostoma wounds. In group 1, a fistula was formed using continuous aspiration devices or VAC systems. In group 2, we used continuous aspiration of intestinal contents from the cavity. In group 3, laparostoma was treated using vacuum devices with isolation of the intestinal fistula and simulation of a floating enterostoma.Results. Group 3 of patients with EAF was characterized by a high flow rate (1224.2 ± 210.3 ml), duration of treatment (87.3 ± 12.5 day), extensive laparostoma (335.4 ± 14.3 сm2), high mortality rate (57.1 %). The best results of treatment were obtained in groups 1 and 2. The flow rate was 675.8 ± 154.3 and 541.3 ± 114.1 ml, the duration of treatment was 2 or 3 times less (37.7 ± 6.1 and 26.4 ± 5.2 days), the mortality rate was 8.3 % and 6.7 % respectively.Conclusion. EAF that occur when using the “open abdomen” surgical tactics due to the impossibility of their isolation in extensive wounds of the anterior abdominal wall are complicated clinical and morphological forms. For their treatment, it is advisable to use VAC systems, aimed at the treatment of both the anterior abdominal wall wound itself and the intestinal fistula opening into it for its gradual extraterritorialization by modeling a floating enterostoma in a vacuum device.
THE EFFECT OF TRANSFORMATIONAL, TRANSACTIONAL, AND DIGITAL LEADERSHIP ON EMPLOYEE PERFORMANCE IN THE NEW NORMAL ERA (STUDY ON EMPLOYEES OF ANNA MEDIKA MADURA RSU)
Authors: Daniyanti Eka Suci , Maduratna Enggal Sari , Firdaus Nailufar 
Published: May 2023

Background: Leadership style is employee oriented and improves performance as well as builds a connection with each other trust, value, and respect. Leadership style is a technique used by a leader with destination control over other people's actions this interpreted that successful organization in communication among tops and bottoms is also determined by style leadership. Objectives: Study this measure of influence style leadership transformational, transactional are digital towards performance employees at RSU Anna Medika Madura in the new normal era.Methods: Study this is study quantitative with SPSS 25 program for windows. The population used as many as 65 respondents. Method analysis in a study is analysis regression multiple.Results: Research Results show that variable style leadership transformational (X1) no take effect by significant to performance employee with value (X1) = 0.173 > 0.05, style leadership transactional (X2) effect by significant to performance employee with value (X2) = 0.000 < 0.05, variable style digital leadership (X3) influential by significant to performance employee with value (X3) = 0.000 < 0.05.Conclusion: Leadership style transactional and digital effect significant to performance employees in the new normal era at RSU Anna Medika Madura. The new normal era coincides with digital transformation, and here the role of a capable leader to face digital change is very holding role important, think this is related to the enhanced performance of employees.