bluuebunny/crossref_metadata_2025_split huggingface dataset:
Pengaruh Social Media, Electronic Word of Mouth, Brand Image, dan Perceived Value terhadap Purchase Intention Konsumen pada Situs Online Tokopedia
Authors: Erwin Erwin 
Published: February 2022

This study aims to determine the effect of social media, electronic word of mouth, brand image, and perceived value of purchase intention. The sampling technique in this study is nonprobability sampling by purposive sampling using a quantitative approach by distributing questionnaires to 200 respondents. The data analysis method used in this study is multiple linear regression analysis. Operational variables using the Likert scale method of validity used a computer measuring instrument that is SPSS 25.0. The results showed that social media have a significant and positive effect, electronic word of mouth has a significant and positive effect, brand image has a significant and positive effect, perceived value has a significant and positive effect on purchase intention. In this study, the perceived value is the most influences of purchase intention. Penelitian ini bertujuan untuk mengetahui pengaruh social media, electronic word of mouth, brand image, dan perceived value terhadap purchase intention. Teknik pengambilan sampel pada penelitian ini adalah nonprobability sampling dengan cara purposive sampling menggunakan pendekatan kuantitatif dengan menyebarkan kuesioner kepada 200 responden. Metode analisis data yang digunakan dalam penelitian ini adalah analisis regresi linier berganda. Variabel operasional menggunakan metode skala Likert validitas digunakan alat ukur komputer yaitu SPSS 25.0. Hasil penelitian menunjukkan bahwa social media positif signifikan, electronic word of mouth positif signifikan, brand image positif signifikan, perceived value positif signifikan terhadap purchase intention. Dalam penelitian ini, perceived value paling berpengaruh terhadap purchase intention.
Analisa Dampak Regulasi Pemerintah dan Kenaikan Bea Cukai untuk Minuman Mengandung Etil Alkohol (MMEA) terhadap Pemerintah, Konsumen dan Produsen Alkohol di Jakarta
Authors: Sukamto Devona Theodora 
Published: February 2022

This research aims to analyze the impact of alcohol tax and the new government regulation regarding alcoholic drinks. Alcoholic drinks, while it may not be a main income for the country is also one of the most consumed beverages. There are 3 types of categories in regards to alcoholic drinks all according to their alcohol percentage. Each category possesses different tax rates. It is known that the alcohol tax in Indonesia is quite high. This research uses a qualitative method to get in-depth knowledge from the producer/supplier/bar or restaurant owner of alcoholic drinks and also a consumer. Data from consumers are derived using a survey meanwhile the other party’s data is conducted by an interview. There are several in-depth analyses regarding the regulations and also the data that has been taken by the researcher. This research also aims to make awareness regarding the governing law and the impact that it has on the people in this country. Penelitian ini bertujuan untuk menganalisis dampak pajak alkohol dan peraturan pemerintah yang baru tentang minuman beralkohol. Minuman beralkohol, meski mungkin bukan pendapatan utama negara, juga merupakan salah satu minuman yang paling banyak dikonsumsi. Ada tiga jenis kategori minuman beralkohol yang semuanya menurut persentase alkoholnya. Setiap kategori memiliki tarif pajak yang berbeda. Diketahui pajak alkohol di Indonesia cukup tinggi. Penelitian ini menggunakan metode kualitatif untuk mendapatkan pengetahuan yang mendalam dari produsen/pemasok/bar atau pemilik restoran minuman beralkohol dan juga konsumennya. Data dari konsumen diperoleh melalui survei sedangkan data pihak lain dilakukan dengan wawancara. Ada beberapa analisis mendalam mengenai regulasi dan juga data yang telah diambil peneliti. Penelitian ini juga bertujuan untuk menyadarkan tentang undang-undang pemerintah dan dampaknya terhadap masyarakat di negeri ini.
Estimation of Vitamin C and the Fructose Levels in Some Medicinal Plants and their Effects on Iron Bioavailability in Rats
Authors: Al-rubaye Zainab Samir , Al-Shahwany Ayad W. 
Published: February 2022

Iron deficiency is considered as a common problem facing the general world population. In the current research, experiments were conducted to evaluate the effects of aqueous extracts of Acacia senegal (Gum Arabic, GA), Spinacia oleracea (spinach), Zea mays (corn), and Capsicum annuum (red chili pepper) on iron and ferritin levels in rats. Vitamin C and fructose levels were first estimated in these plants by using High-Performance Liquid Chromatography (HPLC). The results showed that the GA extract contained the highest level of fructose (853 mg.L-1), followed by red chili pepper (635 mg.L-1), corn (521 mg.L-1), and spinach (271 mg.L-1) extracts. Also, the results of vitamin C estimation showed levels of 3.376, 0.645, 0.579, and 0.347 mg/ml in the extracts of spinach, red chili pepper, corn, and GA, respectively. Next, thirty male albino rats (age 8-12 weeks, weight 120-200 g) were divided randomly into six groups, each kept in a separate polypropylene rat cage. Treatments of rats with various plant extracts were conducted following a CRD complete random design, with five replicates for each treatment. The results of lipid profile test revealed that GA treatment caused the highest reduction in the serum levels of TC, TG, LDL, VLDL, and HDL in the treated rats (76.25, 55.25,23, 15.25, and 38 mg/dl , respectively), as compared to the other plant extracts. Evidence from this study suggests that the higher serum level of fructose in the group of rats treated with all plant extracts enhances the process of ferritin formation, possibly via increasing the level of bioavailable iron.
Thoracic myelopathy due to ossification of the posterior longitudinal ligament shown on dynamic MR
Authors: Segi Naoki , Ando Kei , Nakashima Hiroaki , Machino Masaaki , Ito Sadayuki , Koshimizu Hiroyuki , Tomita Hiroyuki , Imagama Shiro 
Published: February 2022

Background:
Magnetic resonance (MR) and computed tomography (CT) studies combined are the optimal studies for diagnosing thoracic ossification of the posterior longitudinal ligament (OPLL) contributing to myelopathy. Here, we report a 71-year-old female, whose additional dynamic thoracic MR demonstrated transient T6–T9 anterior OPLL with cord compression.

Case Description:
A 71-year-old female presented with a progressive myelopathy originally attributed to cervical cord compression resulting in a cervical laminoplasty. However, when she failed to improve postoperatively, a dynamic thoracic MR was performed. On the flexion study, it demonstrated significant although transient T6–T9 anterior thoracic cord compression due to both OPLL and kyphosis. The patient’s symptoms resolved following a posterior thoracic fusion alone (i.e., no decompression was warranted).

Conclusion:
Dynamic MR studies (i.e., flexion studies) in addition to the routine MR and CT evaluations should be performed for patients with myelopathy attributed to thoracic OPLL/kyphosis.
Success of lateral cervical spinal cord stimulation for the treatment of chronic neuropathic refractory pain
Authors: Caiado-Vencio Rafael , Raffa Paulo Eduardo Albuquerque Zito , Lopes Bruna Marques , Cobucci Fernanda Lopes Rocha , Vieira Raphael Vinícius Gonzaga , Franceschini Paulo Roberto , de Aguiar Paulo Henrique Pires 
Published: February 2022

Background:
Spinal cord stimulation (SCS) is traditionally performed by implanting surgical leads along the midline of the spinal cord, over the dorsal columns. Here, we present a patient who successfully underwent lateral cervical SCS to treat chronic refractory neuropathic pain.

Methods:
A 46-year-old female, with a schwannoma involving the right axillary nerve, presented with a chronic refractory right upper extremity pain syndrome. The tumor was located between the fibers of the teres minor and the posterior deltoid, and measured 2.2 cm in diameter. After 8 months of analgesics, opioids, physiotherapy, and acupuncture, the patient underwent surgery; however, the tumor was unresectable (i.e., due to significant adjacent vascular/neural structures). Three months later, she had a midline C6-C7 laminectomy for placement of a right-sided epidural SCS lead (i.e., containing 16 electrode contacts).

Results:
Within 4 days following this SCS procedure, the patient’s pain completely resolved; at 10 postoperative months, she still remains pain free.

Conclusion:
Lateral SCS at the C6-C7 level provided a safe and effective option for the relief of chronic neuropathic pain attributed to an unresectable schwannoma of the right axillary nerve in a 46-year-old female.
Analisis Kegagalan Mur Heavy Hexagonal pada Valve Flange dalam Sistem Jalur Pipa di Industri Minyak dan Gas
Authors: Ahmad Gunawan  , Pawawoi  
Published: February 2022

Pada proses penyambungan sistem jalur pipa di industri minyak dan gas, mur heavy hexagonal banyak digunakan. Namun pada penggunaan mur di bagian valve flange beberapa mur mengalami patah. Dari hasil penelitian, patah yang terjadi disebabkan adanya retak pada ujung sisi bagian luar dari mur dan bagian dalam permukaan ulir. Pada bagian dalam ini ditemukan cacat yang merupakan awal terjadinya korosi sumur yang kemudian meningkat menjadi korosi retak tegang. Kekerasan pada bagian patah mengalami penurunan dibanding bagian tidak mengalami patah. Sedangkan pada pemeriksaan struktur mikro, awal retakan terjadi pada bagian akar ulir berupa retak intergranular yang selanjutnya merambat pada batas butir. Dari hasil analisa tegangan, terjadi momen lentur sebesar 1943,76 Nmm akibat adanya tegangan sebesar 876, 48 Mpa. Gaya lentur yang terjadi disertai adanya lingkungan klor yang korosif merupakan dua komponen utama penyebab terjadinya korosi retak tegang atau stress corrosion cracking.
Simulación numérica de la interacción fluido-estructura para predecir la respuesta de aerogeneradores sin palas a vibraciones inducidas por el viento en ciudades compactas
Authors: Andrade-Terán Cristian 
Published: February 2022

En este artículo se presenta un análisis de la respuesta fluido-estructura de los aerogeneradores sin palas que funcionan por resonancia aeroelástica inducida, los cuales pueden ser utilizados en ciudades o pueblos pequeños para formar parte de un urbanismo sostenible. En este análisis se llevan a cabo simulaciones numéricas del comportamiento del viento y del efecto denominado vórtices de von Karman que produce al rodear la estructura del aerogenerador utilizando como datos de entrada las velocidades del viento medidas por la Estación Meteorológica Mariscal Sucre en Quito. Las simulaciones CFD determinan la señal de excitación causada por los diferentes flujos de viento existentes. Asimismo, los efectos que estas oscilaciones causan en la estructura se simulan a través de un estudio modal y respuesta armónica a resonancia. Los resultados obtenidos muestran un aumento proporcional en la frecuencia y amplitud del desprendimiento de vórtices al aumento de la velocidad del viento, lo que provoca diferentes señales de excitación que hacen que el aerogenerador oscile con amplitudes entre 6 a 11 cm. Finalmente, las simulaciones transitorias muestran que la presencia de casas y edificios en las cercanías en donde se instala el aerogenerador hacen que la dirección de la calle de vórtices varíe, así como las alteraciones en la frecuencia y amplitud de la excitación.
Efficacy of fumigation Medang wood (Chinnamomum javanicum) at different times against Schizophyllum commune Fries fungus
Authors: Diba Farah , Sisillia Lolyta , Tertiadi Juan Arif 
Published: February 2022

The use of wood for the timber industry increases, but wood with a high natural durability class, especially class I & II was limited. Efforts to improve the quality of wood are needed. The research purposed to increase the durability of Medang wood (Chinnamomum javanicum) with the preservation methods using fumigation and evaluated againstÃÂ Schizophyllum communeÃÂ Fries fungi. Medang wood from gubal area was achieved from Kubu Raya Regency and made into a sample for preservation treatment measuring 5 cm x 2 cm x 2 cm. The wood preservation methods used fumigation. The fumigation process used an oven and time of fumigation consisting of 12 hours, 24 hours, and 36 hours. The temperature process was 80oC. After preservation, the wood was tested against Schizophyllum communeÃÂ Fries based on SNI 7207-2014. The result of preservation showed that the fumigation process changed the color of Medang wood. The color changed from white pale into brown (12 hours fumigation), dark brown (24 hours fumigation), and very dark brown (36 hours fumigation). The weight loss of Medang wood after 12 weeks attacked byÃÂ Schizophyllum communeÃÂ Fries fungi was range between 2.45% - 3.44%. The weight loss of Medang wood on treatment 12 hours fumigation was 3.44%, on treatment 24 hours was 3.34% and on the treatment of 36 hours was 2.45%. After the fumigation methods, the durability of Medang wood increased into II class. The compound from smoke during the fumigation process, which functions as antifungi, was phenol. The optimum treatment to increase the durability of Medang wood was fumigation for 36 hours with a temperature of 80oC.
The Utilization Of Beehive Wax a Combination of Nutmeg Extract (Myristica fragrans Houtt.) and Langsat (Lansium domesticum L.) as Aromatherapy and Mosquito Repellent
Authors: Rettob Thesia Megi Kurniawati , Zebua Edieli , Butar-butar Ilham Saputra , Tular Febiola Gabriela , Mokosuli Yermia S. 
Published: February 2022

Mosquitoes often being the vector of some diseases, such as dengue hemorrhagic fever. To prevent these diseases vectored by mosquitoes, we could use mosquito repellent. But based on some research, these mosquito repellents on the market contain some dangerous chemicals, for example, Dichlorvos, Porpoxure, and synthetic pyrethroid. These kinds of chemicals can cause some side effects that are not good for health, ranging from headaches, nausea, to cancer and organ dysfunction. Therefore, it is necessary to have a mosquito repellent that is safer for health with minimal side effects. This research is an experimental type of research that aimed to determine the effectiveness of anti-mosquito in the form of an aromatherapy candle made of the beehive with the consistency of pala pulp extract and langsat seed extract. Pala pulp extract and langsat seed extract were obtained from the maceration method and then processed by Rotary Evaporator.ÃÂ The concentrations used are Pala pulp extract: langsat seed extract. I: 0,5gr:0,25gr, II: 5gr:2,5gr. Both of the concentrations will be blend into 200gr of solid candle that will be melt. A test was made on some adult mosquitoes. Mosquitoes are being bred. The mosquitoes were placed on a cage that had been build by the researchers first. The measurement scale on this research is the mortality rate of the mosquitoes counted from the second we light up the anti-mosquito aromatherapy candle. There are two types of data analysis on this research, includes the anti-mosquito test and organoleptic test. The first concentration test's result shows that there is a very minimal effect on the mosquitoes. when the test was run, there were five adult mosquitoes inside the cage, an observation was done for 10 minutes counted from the time the candle was lit up. At the first 2 minutes 10 seconds, there is 1 mosquito that died, and the rest of the time for 10 minutes there was no other ÃÂ mosquito died. The second concentration test's result shows a really big impact on the mortality rate of the mosquito. There were seven adult mosquitoes inside the cage when the test was run. And for 10 minutes, 6 mosquitos died. This means that the second concentration was the most effective amount of the concentration to apply on the candle. Hopefully, the result of this research could be useful for society in terms of environment-friendly anti- mosquito usage.
Screening of Lactobacillus Inhibitor Alpha Glucosidase Activity from Nira in Hyperglycemic Mice
Authors: Fardhani Roushandi Asri , Aini Aini 
Published: February 2022

Hyperglycemia is a condition of increasing blood glucose levels exceeding the normal value in patients with Diabetes mellitus (DM). This study is a screening to describe that respon of hyperglycemic mice to the administration of lactobacillus isolated from sap as an alpha glukosidase inhibitor. The final aim of this study was to measure the activity of alpha glukosidae inhibitor from lactobacillus isolated from sap in hyperglycemic wistar rats.ÃÂ The cultivation of de man rogosa sharpe Agar (MRSA) and the isolated lactobacillus was carried out using the pout plate methode.Lactobacillus isolated from sap produced in West Lombok district was carried outÃÂ given to white rats for treatment. This study is a quasi-experimental study using 25 hyperglycemic white rats divided into 5 (five) treatments. The mean blood sugar levels after alloxan induction were 374.6, 347.5, 373.2, 348.4. The mean blood sugar levels at P1, P2 and P3 respectively from the first day to the third day were P1 247.2, 225.8, 209.6, P2 was 241.2, 141.8, 99.6 and P3 were 138,8, 112, 84.6.
Microalgae Diversity as a Bioindicator of Water Quality in Batujai Dam, Central Lombok
Authors: Hairunnadawiah Hairunnadawiah , Khairuddin Khairuddin , Zulkifli Lalu 
Published: February 2022

Batujai Dam is one of the largest dams in Central Lombok with an area of 890 ha of inundated water. The water from the Batujai Dam is used for irrigation of agricultural land, flood control, freshwater fisheries and the development of micro-hydro power plants. Batujai Dam is also a reservoir for several rivers in Central Lombok, namely:ÃÂ the Leneng River, the Sade River and the Dodokan River. This function makes the Batujai Dam a place for the accumulation of various forms of pollutants carried by the inlet rivers. Microalgae is one of the ecological parameters that can function as a bioindicator of water quality. The purpose of this study was to determine the water quality in the Batujai Dam in terms of the microalgae diversity index and the measurement of environmental factors. Determination of sampling point and sampling time using purposive sampling method. Measurement of water quality is carried out by determining the diversity index and measuring environmental factors such as pH, temperature, DO, BOD, phosphate and nitrate. Microalgae data for determining the diversity index was analyzed using the Microsoft Excel 2010 program. The results showed that the identified microalgae consisted of 5 classes, 16 orders and 40 species. The overall diversity index of microalgae in the Batujai dam is 1.712 with a DO value of 5.09 and a BOD of 4.0175. Based on these data, it can be concluded that the water quality in the Batujai Dam is in an unhealthy condition (lightly polluted). The allotment for the use of water from the Batujai Dam is suitable for freshwater fish farming, livestock and agricultural irrigation, and it is not recommended for drinking water sources and water recreation infrastructure/facilities.
EFEKTIFITAS TEPUNG IKAN LOKAL DALAM PENYUSUNAN RANSUM PAKAN IKAN NILA Oreochromis niloticus
Authors: Setyono Bagus Dwi Hari , Scabra Andre Rachmat , Marzuki Muhammad , Sudirman Sudirman 
Published: February 2022

Dalam industri perikanan budidaya, pakan memegang peranan yang cukup vital karena lebih dari 50% biaya produksi adalah untuk biaya pengadaan pakan. Pakan yang digunakan tidak hanya harus mengandung kadar nutrisi yang baik, tetapi juga terjangkau secara ekonomis. Semakin baik kualitas pakan, diiringi dengan semakin murah pakan tersebut, maka keberhasilan kegiatan produksi ikan dapat terjamin. Tujuan penelitian ini adalah untuk meningkatkan penggunaan tepung ikan lokal sebagai pengganti tepung ikan komersil dalam formulasi pakan ikan nila. Penelitian ini menggunakan model Rancangan Acak Lengkap (RAL) yang terdiri dari empat perlakuan dan tiga ulangan. Perlakuan yang diterapkan adalah pemberian ikan dengan pakan buatan yang terbuat dari kombinasi tepung ikan lokal dengan tepung ikan komersial dengan dosis yang berbeda. Perlakuan dalam penelitian adalah A (tepung ikan komersil 30% + tepung ikan lokal 0%), B (tepung ikan komersil 20% + tepung ikan lokal 10%), C (tepung ikan komersil 10% + tepung ikan lokal 20%), dan D (tepung ikan komersil 0% + tepung ikan local 30%). Hasil uji analisis ragam (ANOVA) menunjukkan bahwa perlakuan tidak memberikan pengaruh nyata terhadap nilai Survival Rate (SR), namun memberikan pengaruh nyata terhadap nilai Spesifik Growth Rate (SGR), Feed Convertion Ration (FCR) dan kadar Glukosa Darah (GD). Nilai SR berturut-turut dari perlakuan A, B, C, dan D adalah 96.7 %, 96.7 %, 96.7 %, dan 100 %. Nilai SGR berturut-turut dari perlakuan A, B, C, dan D adalah 0.15 %/hari, 0.24 %/hari, 0.29 %/hari, 0,35 %/hari. Nilai FCR berturut-turut dari perlakuan A, B, C, dan D adalah 10.25, 7.47, 5.00, dan 4.16. Nilai GD berturut-turut dari perlakuan A, B, C, dan D adalah 217.67 mg/dL, 160.33 mg/dL, 155.00 mg/dL, dan 132.67 mg/dL. Kualitas air selama penelitian masih tergolong dalam kisaran optimum kualitas air pemeliharan ikan nila, yaitu suhu 29.0?31.9 oC, pH 7.0?8.2, DO 4,3?5,9 mg/L, dan amonia 0,0011–0,0293 mg/L. Kesimpulan dari kegiatan penelitian ini adalah, penggunaan pakan ikan dengan menggunakan formulasi bahan baku tepung ikan lokal dapat digunakan sebagai pengganti tepung ikan komersil.
IDENTIFIKASI JENIS DAN KELIMPAHAN GASTROPODA DI PANTAI TELUK SEPANG KOTA BENGKULU
Authors: Slamet Rizki , Purnama Dewi , Negara Bertoka Fajar SP 
Published: February 2022

Gastropoda merupakan keong yang bernilai ekonomis tinggi karena cangkangnya diambil sebagai bahan untuk perhiasan dan cinderamata, sedangkan dagingnya merupakan makanan yang lezat. Beberapa jenis keong yang bernilai ekonomis diantaranya dari famili Strombidae, Cypraeidae, Olividae, Conidae, dan Tonnidae. Mempelajari pentingnya manfaat Gastropoda, maka diperlukan adanya kajian tentang hewan tersebut. Oleh karena itu peneliti tertarik untuk melakukan penelitian mengenai hewan Gastropoda yang meliputi jenis dan kelimpahan gastropoda di perairan Kota Bengkulu khususnya di Pantai Teluk Sepang Kota Bengkulu. Penelitian ini menggunakan metode survei dengan menggunakan transek 1x1 meter. Data yang diukur berupa data identifikasi dan data kelimpahan Gastropoda. Berdasarkan hasil penelitian, terdapat sembilan jenis Gastropoda dengan kelimpahan yaitu 216 ind/m2 Cerithidea cingulata, 7 ind/m² Natica gualteriana, 3 ind/m² Trochusconus, 8 ind/m² Turbo chrysostomus, 7 ind/m2 Telescopium telescopium, 9 ind/m2 Strombus labiatus, 162 ind/m2 Cerithidea obtuse, 3 ind/m2 Vexillum rugosum, dan 164 ind/m2 Cerithide aquadrata.

Kata kunci: Gastropoda, Pantai Teluk Sepang, identifikasi, Moluska