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Shear wave velocity model using HVSR inversion beneath Bandar Lampung City

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Earthquake Science 2024年第4期37卷 337-351页

作者： Ahmad Zaenudin Alhada Farduwin gede i Boy Darmawan Karyanto Department of Geophysical Engineering University of LampungBandar Lampung 35145Indonesia Department of Geophysical Engineering Sumatera Institute of TechnologySouth Lampung 35365Indonesia

The horizontal-to-vertical spectral ratio(HVSR)method has been used to characterize site-effect parameters that are indispensable in seismic hazard and risk-reduction studies in urban areas and rapid land-use *** method is widely used because it is the cheapest and simplest geophysical method for the acquisition and processing *** subsequent developments,the HVSR method has been widely used to determine elastic rock parameters,particularly shear wave velocity(v_(S)),through the HVSR curve inversion ***,the v_(S)structural model can be used to delineate the presence of complex geological structures,particularly faults and sedimentary *** Lampung is a city in Lampung Province with many fault structures and groundwater basins to the *** are 83 HVSR measurement points around Bandar Lampung for delineating the presence of fault structures and groundwater *** produced the HVSR curve from the measurement results and then performed an inversion process using the particle swarm optimization algorithm to obtain v_(S)for the depth ***,from this profile,we produced a two-dimensional(2D)lateral and vertical *** mean v_(S)value was calculated from all the measurement points,and we found stiff soil layers reaching depths of approximately 5 m,with a value of v_(S)ith a velocity exceeding 1250 m/s was visible at a depth of 100 *** on the 2D model,the v_(S)structure shows that the city of Bandar Lampung is divided into two zones,with a NW-SE *** north-middle-eastern part of the city consists of harder *** harder rock is characterized by extremely high v_(S)values,starting from a depth of 50 *** contrast,the south-middle-west exhibits a low-moderate v_(S)anomaly associated with groundwater basins SW of the *** the 2D v_(S)structural model,fault structures can be found along the city,characterized by a contrast of v_(S)values from low to medium and from me

关键词： shear wave velocity HVSR fault structures groundwater basin Bandar Lampung City

Effects of dietary supplementation with tropical microfungi Mucor circinelloides and Trichoderma harzianum powder on growth performance,bacterial communities,and the biomass nutritional profile of white shrimp grow-out culture(Litopenaeus vannamei)

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Aquaculture and Fisheries 2024年第2期9卷 245-255页

作者： Robi Binur Salsabila Mutiara Kanti Muharam Tia Fahara Magdalena Lenny Situmorang i Nyoman Pugeg Aryantha gede Suantika Department of Biology Faculty of Mathematics and Natural SciencesUniversitas PapuaJl.Gunung Salju AmbanManokwari98314Indonesia Microbial Biotechnology Research Group School of Life Sciences and TechnologyInstitut Teknologi BandungJl.Ganesha 10Bandung40132Indonesia Biosciences and Biotechnology Research Center Institut Teknologi BandungJl.Ganesha 10Bandung40132Indonesia

Microfungi have been explored further as supplement constituents in shrimp culture due to their rich protein,lipid,essential amino acids,fatty acids,and various bioactive *** researchers have evaluated the effects of two microfungi powders(Mucor circinelloides and Trichoderma harzianum)as feed supplements on growth performance,bacterial communities,and the biomass nutritional profile of white shrimp(Litopenaeus vannamei).The results showed that commercial/artificial feed(Feng-Li)with supplementation microfungi powder had a different effect on white shrimp growth performance than control after 62 days of the grow-out *** with 1.5%*** powder(M-2)could improve the growth performance of white shrimp,especially the survival rate(81.33%),final body weight(5.21 g),and shrimp biomass(211.35 g).in contrast,supplementation with 1.5%*** powder(T-2)did not improve the growth performance of white shrimp compared to control(p>0.05).Furthermore,it also affected the profile of the bacterial community in culture water as well as in shrimp *** with both microfungi could reduce the total number of bacteria in culture water at the end of the experiment,where the lowest number was obtained in treatment T-2(3.9×10^(5)CFU/mL),followed by M-2(9.9×10^(5)CFU/mL)and control(4.4×10^(6)CFU/mL).in the culture water,20 isolates of culturable bacteria were found during the trial,with the dominant bacteria in M-2:Bacillus cereus,Bacillus velezensis,Gordonia polyisoprenivorans,T-2:Acinetobacter sp.,Gordonia polyisoprenivorans,Micrococcus *** on average well colour development(AWCD),the highest bacterial activity was in the M-2(0.297-0.707),followed by T-2(0.226-0.717)and control(0.094-0.694).The highest substrate group utilised in M-2 and T-2 were polymers(0.896 and 1.348)and control:amines(0.100).The highest Shannon diversity index was obtained in the M-2(2.508),followed by control(2.286)and the T-2(2.157).As many as

关键词： Microfungi Nutrition White shrimp Litopenaeus vannamei Grow-out Bacterial activity Probiotic bacteria

Tumor necrosis factor-alpha, transforming growth factor-beta, degree of lower urinary tract symptoms as predictors of erectile dysfunction in benign prostatic hyperplasia patients

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Asian Journal of Urology 2024年第2期11卷 280-285页

作者： gede W.K.Duarsa Yeremia G.Kusumah Ronald Sugianto Pande M.W.Tirtayasa Tjokorda G.B.Mahadewa Department of Urology Faculty of MedicineUniversitas UdayanaProf.Dr.I.G.N.G Ngoerah General HospitalBaliIndonesia Department of General Surgery Faculty of MedicineUniversitas UdayanaProf.Dr.I.G.N.G Ngoerah General HospitalBaliIndonesia Medical Doctor Study Program Faculty of MedicineUniversitas UdayanaBaliIndonesia Department of Urology Faculty of MedicineUniversitas UdayanaUniversitas Udayana Teaching HospitalBaliIndonesia Department of Neurosurgery Faculty of MedicineUniversitas UdayanaProf.Dr.I.G.N.G Ngoerah General HospitalBaliIndonesia

Objective: Erectile dysfunction (ED) is a condition of insufficient penile erection, consistently or recurrently, for sexual activity. Tumor necrosis factor-alpha (TNF-α) induces transforming growth factor-beta (TGF-β), which causes the transition of epithelial cells into mesenchymal cells that affect ED. This study aimed to evaluate the roles of TNF-α, TGF-β, degree of lower urinary tract symptoms, and prostatic volume for the presence of ED in benign prostatic hyperplasia (BPH) ***: Our study performed an analytic observational retrospective cohort study using secondary data from four hospitals in Bali, indonesia, including medical records and other administrative data. The sample was BPH patients with several history ***: Our sample was 83 respondents, ranging from 50 years to 80 years, 61 respondents with ED and 22 with non-ED. The international Prostate Symptom Score showed a significant result, which indicates that ED is more common in patients with higher international Prostate Symptom Score (p=0.002). Moreover, the TNF-α of ≥43.9 pg/mg and TGF-β of ≥175.8 pg/mL were significantly associated with the presence of ED in BPH patients (pite these results, prostate volume is not significant with ED (p=0.947).Conclusion: TNF-α, TGF-β, and lower urinary tract symptoms severity can predict the occurrence of ED in BPH, while prostatic volume was not significant.

关键词： Prostate enlargement Biomarker Erectiledysfunction Riskfactor

The interanual rainfall variability in indonesia corresponding to El Ni?o Southern Oscillation and indian Ocean Dipole

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Acta Oceanologica Sinica 2019年第7期38卷 57-66页

作者： i gede hendrawan Koji Asai Andhita Triwahyuni Diah Valentina Lestari Department of Marine Science Udayana UniversityBadungBali 80361Indonesia Graduate School Science and Engineering Yamaguchi UniversityYamaguchi 755-8611Japan Department of Environmental Engineering Faculty of EngineeringMahasaraswati UniversityDenpasarBali 80236Indonesia Center for Remote Sensing and Ocean Sciences Udayana UniversityBadungBali 80361Indonesia

The impact of the indian Ocean Dipole(iOD)and the El Nino Southern Oscillation(ENSO)event for indonesian rainfall has been investigated for the period from 1950 to ***-annual change of iOD and ENSO indices are used to investigate their relationship with indonesian *** using the wavelet transform method,we found a positive significant correlation between iOD and indonesian rainfall on the time scale of nearly 2.5–4 ***,the positive significant correlation between ENSO(sea surface temperature anomaly at Nino3.4 area indices)and indonesian rainfall exists for shorter than 2 years and between 5.5 to 6.5-year time scales.

关键词： iOD ENSO indonesian rainfall wavelet

Study of Magnetite Crystal Structure Extracted from Local Sands of Tegal Lenga Beach

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Journal of Materials Science and Chemical Engineering 2022年第9期10卷 1-9页

作者： P. Suardana M. Sumadiyasa i gede hendrawan Physics Study Program Faculty of Mathematics and Natural Sciences Udayana University Denpasar Indonesia Marine Science Undergraduate Study Program Faculty of Marine Affairs and Fisheries Udayana University Denpasar Indonesia

Magnetite (Fe3O4) crystals have been synthesized from the natural iron sands of Tegal Lenga Beach with HCl (37%) as a solvent. Tegal Lenga Beach is a stretch of beach located in Kalisada Village, Seririt District, Buleleng Regency, Bali Province, indonesia. iron sand samples were obtained by extracting local natural sand from Tegal Lenga Beach by magnetic separation method. The iron sand sample was ground with agate mortar for 15 hours, then washed and rinsed with deionized water (Di water). Furthermore, the fine powder sample of iron sand was dried on a hotplate at a temperature of 80˚C until all the water had evaporated. Eighty grams of fine iron sand powder dissolved in 200 mL HCl (37%) while stirring with a hot plate magnetic stirrer at a temperature of 100˚C with a rotating speed of 600 rpm for 30 minutes. This solution was filtered through Wattman filter paper No. 42;then the filtrate was dried using a hot plate at a temperature of 100˚C to form a crust. This crust is then ground in an agate mortar until it becomes a fine powder of iron sand. Furthermore, the iron sand fine powder filtrate sample was divided into four equal parts which were then calcined at temperatures of 300˚C, 400˚C, 450˚C, and 500˚C for 30 minutes, respectively. it was found that the fine powder of iron sand from the natural sand of the Tegal Lenga Beach consisted mostly of 84.26% metal oxide magnetite. The synthesized magnetite crystal has a tetrahedral structure with lattice parameters of a = b = (5.927 ± 0.0180) Åand c = (16.774 ± 0.0145) Å. Magnetite crystals have granular and lumpy grains with an average grain size of (94,560 ± 10,1397) μm. in relation to the values obtained from the hysteresis curve, namely the remanent magnetization of 9.6672 emu/gr, saturation magnetization of 45.3491 emu/gr, coercive magnetic field strength of 0.0242 T, and saturation magnetic field strength of 0, 2938 T, then this magnetite crysta

关键词： Ferromagnetic Magnetite iron Sand Tegal Lenga Beach

Adjunctive platelet-rich plasma and hyaluronic acid injection after arthroscopic debridement in Kellgren-Lawrence grade 3 and 4 knee osteoarthritis

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World Journal of Orthopedics 2022年第10期13卷 911-920页

作者： Henry Tirtosuharto i gede Eka Wiratnaya Putu Astawa Department of Orthopaedic and Traumatology Faculty of Medicine Udayana University/Sanglah HospitalDenpasar 80113BaliIndonesia

BACKGROUND Osteoarthritis(OA)is the most common cause of pain and disability,predominantly affecting the *** current management of knee OA falls short of completely stopping disease progression,particularly in Kellgren-Lawrence(KL)grade 3 and 4 knee *** such,joint replacement is often recommended,although only 15%-33%of candidates accept *** therapeutic options are still needed to prevent the progression of joint damage and delay the need for knee *** To investigate the effect of adjunctive platelet rich plasma(PRP)and hyaluronic acid(HA)after arthroscopic debridement in KL grade 3 and 4 knee *** This retrospective cohort study used the Western Ontario and McMaster Universities Osteoarthritis index(WOMAC)score and WOMAC sub-scores(pain,stiffness,and function)to assess 21 patients,grouped according to medical record data of treatment received:Arthroscopic debridement(n=7);arthroscopic debridement with PRP(n=7);or arthroscopic debridement with HA(n=7).WOMAC scores and sub-scores at baseline and at 3 mo and 5 mo posttreatment were *** three-group data were statistically analyzed using the tests of paired t,one-way analysis of variance,and post hoc least significant *** All three treatment groups showed significant improvements in WOMAC score and sub-scores from before treatment to 3 mo and 5 mo after ***,the arthroscopic debridement with PRP treatment group,in particular,showed a significantly lower WOMAC pain score than the group who received arthroscopic debridement alone at 5 mo after the procedure(P=0.03).CONCLUSiON Compared to arthroscopic debridement alone,adjunctive PRP after arthroscopic debridement significantly lessened the patients’pain symptom.

关键词： Arthroscopic debridement Hyaluronic acid Osteoarthritis Platelet-rich plasma Western Ontario and McMaster Universities Osteoarthritis index WOMAC score

Groundwater exploration using integrated geophysics method in hard rock terrains in Mount Betung Western Bandar Lampung,indonesia

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Journal of Groundwater Science and Engineering 2022年第1期10卷 10-18页

作者： Rustadi i gede Boy Darmawan Nandi Haerudin Agus Setiawan Suharno Department of Geophysical Engineering University of LampungBandar LampungIndonesia Department of Environment Science University of LampungBandar Lampung

The presence of hard rock in Mount Betung has caused the misalignment of the groundwater aquifers,and resulted in many drilling failures for *** integrated geophysics method using gravity survey and Geoelectric Vertical Electrical Soundings(VES)were conducted to study the effect of basement and hard rock on groundwater *** the gravity method,38 mapping points were carried out randomly,with a distance of 1-2 km ***,from the geoelectric method,51 VES points were acquired at the foot of Mount *** acquisition was conducted with a Schlumberger configuration with AB/2=1 m to 250 *** results show the Bouguer Anomaly in the west is 50-68 mgal due to the presence of hard rock in Mount *** anomaly responds to relatively shallow hard rocks near *** rocks composed of andesite and breccia normally present at the depth of 5-180 m during well *** isopach mapping from VES data(at AB/2=50 m,100 m,and 150 m)shows the dominant constituents of hard *** in hard rock contribute to secondary porosity,which could be a prospect zone that transmit *** finding shows that the fractures are randomly scattered,causing several well failures that have been ***,the fractures in the hard rock at the foot of Mount Betung acts as conduits between recharge at Mount Betung and the aquifer in the Bandar Lampung Basin.

关键词： Geoelectric Gravity Groundwater Hard Rocks VES

Vaccine induced thrombotic thrombocytopenia:Coagulation after administration of COViD-19 vaccine

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Asian Pacific Journal of Tropical Medicine 2021年第11期14卷 477-478页

作者： Cokorda Agung Wahyu Purnamasidhi i Komang Hotra Adiputra Giovanca Verentzia Purnama RichardChristian Suteja i gede Purna Weisnawa Department of internal Medicine Udayana University/Udayana University HospitalIndonesia Medical Faculty of Udayana University Indonesia

COViD-19 continues to present a daunting public health challenge globally and requires concerted efforts from multiple fronts including the development of vaccines and therapeutic agents^([1,2]).To prevent the spread of COViD-19,various types of vaccines have been *** Moderna vaccine,is an RNA-based vaccine that encodes a protein spike to stimulate immune immunity.

关键词： vaccine Vaccine vaccines

Hernia mesh prevent dislocation after wide excision and reconstruction of giant cell tumor distal radius

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World Journal of Orthopedics 2017年第9期8卷 741-746页

作者： i gede E Wiratnaya i Gusti Bagus Arie M Budiartha i Gusti Ngurah Y Setiawan Dwijo A Sindhughosa i Ketut S Kawiyana Putu Astawa Department of Orthopedic and Traumatologic Faculty of Medicine Udayana University Sanglah General Hospital Faculty of Medicine Udayana University Sanglah General Hospital

Giant cell tumor(GCT) remains as major health problem. GCT which located at the lower end of the radius tends to be more aggressive. Wide excision and reconstruction of the wrist in stage 3 of distal radius GCT lesion is an optimal modality to prevent tumor recurrence. However, dislocation often occurs as its complication. We are reporting patient with GCT of distal radius treated with wide excision and reconstruction using nonvascularized fibular graft and the addition of hernia mesh. Circumferential non-absorbable polypropylene hernia mesh was applied, covered radioulnar joint and volar aspect of radius, and served as additional support to prevent dislocation. During five years and two months of follow-up, we found no dislocation in our patient. Furthermore, good functional outcome was obtained. Our finding suggests that the addition of hernia mesh after wide excision and reconstruction with nonvascularized fibular graft may benefit to prevent dislocation and provides an excellent functional outcome.

关键词： Giant cell tumor Wide excision Fibular graft Hernia mesh Dislocation