bluuebunny/crossref_metadata_2025 huggingface dataset:
ROMA SZAKKOLLÉGISTÁK HAJDÚ-BIHAR MEGYÉBEN
Authors: Rákó Erzsébet , Bocsi Veronika
Published: February 2021

A tanulmány fő célja, hogy a debreceni székhellyel működő roma szakkollégiumokban tanuló diákokat bemutassa. Ennek keretét egy 2019-es kutatás adja, amely a három szakkollégium 62 hallgatóját érte el. A téma aktualitását az adja, hogy a roma és nem roma fiatalok továbbtanulását összevetve még mindig kevés a felsőoktatásba bekerülő roma fiatalok száma. Arra a kérdésre kerestük a választ, hogy milyen tényezők segítették a roma szakkollégistákat az iskolai sikerek elérésben. A kutatás kérdőíve a diákok szociokulturális hátterét, tanulási motivációit, középiskolai tapasztalatait, illetve a kapcsolathálók etnikai mintázatait mérte fel. Az empirikus eredmények elméleti kereteit a magyarországi roma gyermekek és fiatalok oktatásszociológiai kutatásainak eredményei jelentik, amelyeket a felzárkóztató programok ismertetésével egészítünk ki. Az elemzés során a kapott adatokat a Magyar Ifjúság 2016 adatbázisához viszonyítjuk, így képet kapunk arról, hogy a roma fiatalok milyen csoportjai számára vált elérhetővé a felsőoktatás. Vizsgálatunk egy szála a roma identitással bíró, illetve roma identitással nem bíró szakkollégisták összehasonlítását tartalmazza.
Hybrid power supply of residential settlements in Russian Federation
Authors:   BMSTU (Mytishchi branch), Galkin V.P. , Goriaev A.A. ,   Northern (Arctic) Federal University named after M.V. Lomonosov, Balantseva N.B. ,   Northern (Arctic) Federal University named after M.V. Lomonosov, Kalinicheva O.A. ,   Northern (Arctic) Federal University named after M.V. Lomonosov, Kalinina A.A. ,   BMSTU (Mytishchi branch), Sirotov A.V. ,   BMSTU (Mytishchi branch), Tarlakov Y.V. ,   BMSTU (Mytishchi branch), Usachev M.S. ,   BMSTU (Mytishchi branch)
Published: February 2021

An example of using renewable energy sources in the conditions of a locality in the Arkhangelsk region, typical for the Central part of Russia, is considered. The possibility of using wind and solar energy to provide electricity to domestic consumers is analyzed on the example of one house with a living area of 60 sq. m. Calculations are made and parameters of the wind farm, solar panels and accumulators are determined based on the provision of electricity from the wind farm and battery, since in non-Sunny times and windless days, as a rule, the solar battery operates. Based on the calculations, the parameters were determined and an inverter was selected for the proposed power supply system.
A tactics of surgical treatment of a lung echinococcal cyst ruptured into the bronchus
Authors: Sharipov A. M. , Shamszoda H. A. , Akbarov U. A. , Mazabshoev S. A. , Zoirov A. R.
Published: February 2021

Relevance. The most severe complication of pulmonary echinococcosis is cyst rupture with contaminated leakage into the tracheobronchial tree.Material and methods. A 10-year-old boy was admitted to the clinic with diagnosis of fibroatelectasis of the lower lobe of the right lung. Anamnesis revealed that the boy was not well for more than 2 years. His treatment in several hospitals did not have any positive effect. Fibrobronchoscopy was performed during which a fragment of chitinous membrane was found in the orifice of lower lobe bronchus. Histological examination confirmed pulmonary echinococcosis.Results. A hydatid cyst in the projection of 9th and 10th segments of the lower lobe was revealed after thoracotomy on the right. Cystectomy with capitonage of the residual cavity was performed. Early postoperative period was uneventful. The child had conventional etiotropic therapy. A follow-up examination in 2 years with radiological and serological findings revealed no relapse of the disease. Child’s development corresponded to his age.Conclusion. The description of this case indicates that it is extremely important to have a detailed information about disease manifestations. In case of long-lasting lung disease , a diagnostic tracheobronchoscopy is recommended since radiological signs in complicated pulmonary echinococcosis may be not informative.
Girls from Argentine provinces: notes about the inclusion and representation of women in constitutional legislatures and conventions between 1951 and 1955
Authors:   Consejo Nacional de Investigaciones Científicas y Técnicas. Argentina, Barry Carolina ,   Universidad Nacional de Tres de Febrero. Argentina
Published: February 2021

This article analyzes the numbers of women elected to hold positions in the provincial legislatures and the constitutional conventions of three new provinces since the first election in which they voted until the fall of the Juan Domingo Perón government. The elections of 1951, 1953, 1954 and 1955 are examined. At the same time, the figures obtained in these elections are compared with the national ones and those stipulated years later with the Quota and Gender Parity law.
Outbreak of Legionnaires’ Disease in the Northern Portuguese Coast During the COVID-19 Pandemic
Authors: Almeida Diogo Queiroz , Silva Tomás , Rodrigues Vanessa , Ladeira Raquel , Sousa Fátima , Capucho Rui , Duarte Gustavo
Published: February 2021

N/a.
Relato de caso: Schwannoma de origem renal
Authors: Souza Salena Silva , Dias Bruno Hállan Meneses , Leitão Júnior Alexandre Sabóia , Regadas Rommel Prata , Cerqueira João Batista Gadelha de , Oliveira Ricardo Reges Maia de
Published: February 2021

Schwannomas são tumores que se originam das células de Schawnn. Normalmente se localizam na cabeça, pescoço e membros, mas podem ocorrer em qualquer parte do corpo onde existam nervos mielinizados. O acometimento renal é raro, com poucos casos descritos na literatura. Seu diagnóstico pré-operatório é difícil, visto que se baseiam apenas numa apresentação clínica inespecífica e em características radiológicas limitadas. Embora alguns achados na Ressonância Nuclear Magnética (RNM) possam levantar a suspeição do diagnóstico, esses tumores são frequentemente confundidos com Carcinoma de Células Renais, tendo a ressecção cirúrgica como tratamento padrão. Comumente requerem um diagnóstico patológico. E apesar da maior parte dos casos exibir comportamento benigno, a degeneração maligna pode ocorrer. Nós trazemos o relato de um caso de tumor no hilo renal direito, submetido a ressecção cirúrgica, cujo diagnóstico de Schwannoma renal foi confirmado histologicamente.
Innovation Policy: Theory and Practice
Authors: Ivanova N.
Published: February 2021

It is a well-established tradition of the Institute of World Economy and International Relations of Russian Academy of Sciences (IMEMO) to study the world’s major social and economic trends while taking into full account the most actual problems of Russia. In 2000s the government announces the course on innovative modernization as the basis for the long-term development strategy of the Russian Federation. Accordingly, the task of monitoring and application of the world experience of regulating this sphere took a priority place among the directions of the Institute’s research activities. The previous article published by ““World Economy and International Relations” Journal in 2006 in connection with the 50-anniversary of IMEMO exposed the principal stages of the examination of the economic aspects of scientific and technological progress (NTP). The IMEMO researchers proposed a radical change in the conceptual approach to respective studies – from NTP to innovations. This ensured a new and highly productive vision of the science, the technology trends and the innovative entrepreneurship within the concept of national innovation systems (NIS). This article is a continuation of the topic while summarizing the results of theoretical and applied research conducted by the team of the Department of Science and Innovation of the IMEMO in the past 10 years during 2005-2015.
Size Does Matter: Model Selection of Shark Attack Case
Authors: Wibowo Andri
Published: February 2021

Shark unprovoked attacks consist of fatal and non-fatal cases. Numerous cases have been reported involving shark species from Carcharhinus melanopterus with length of 145.5 cm to half-ton Carcharodon carcharias. Currently there are more (P < 0.05) unprovoked non-fatal cases with the average is 28.46 cases/shark species (95%CI: 3.86-53.1) than unprovoked fatal cases, which the average is 5.12 cases /shark species (95%CI: -0.075-10.3). Hence this paper seeks to select the best shark size model that correlates with the unprovoked fatal and non-fatal cases. The studied sharks consist of 24 shark species with the average length is 268.18 cm (95%CI: 230-306 cm) and the average weight is 225.42 kg (95%CI: 128-323 kg). Based on the model and as described by low values of AIC and the highest values of R2 and adjusted R2 , shark weight followed by combinations of shark weight and length produced unprovoked fatal and non-fatal cases best models. The model for explaining unprovoked fatal cases is the shark weight with high numbers of cases observed in large size shark (weight⁓fatal cases, AIC = 165.359, R2 = 0.72, Adj. R = 0.71). While for non-fatal cases, the best model is also the shark weight (weight⁓non fatal cases, AIC = 246.93, R2 = 0.63, Adj. R = 0.59).
Bioassay-Guided Isolation of 2-[P-(2-Carboxyhydrazino)Phenoxy]-6-(Hydroxymethyl)Tetrahydro-2h-Pyran-3,4,5-Triol From Oroxylum Indicum and Investigation of Its Molecular Mechanism Action of Apoptosis Induction
Authors: Singh Asem Robinson , Singh Salam Asbin , Singh Thanngjam Davis , Singh Naorem Tarundas , Chanu Takhellambam Machathoibi , Singh Okram Mukherjee , Singh Lisam Shanjukumar
Published: February 2021

Leaf crude extract (aqueous) of Oroxylum indicum (L.) Kurz induces genomic DNA fragmentation, comet formation, and inhibition of cell proliferation in prostate cancer cell line, PC3 as assessed by agarose gel electrophoresis, comet assay, and MTT assay respectively. The bioactive compound was purified through bioassay-guided fractionation using preparative HPLC and MTT as-say. The brown and water-soluble compound was characterized using 1H and 13C nuclear magnetic resonance (NMR), fourier transform infrared (FT-IR) and electrospray ionization (ESI) mass spectrometry, and the compound was iden-tified as a glycosylated hydroquinone derivative, 2-[p-(2-Carboxyhydrazino)phenoxy]-6-(hydroxymethyl) tetrahy-dro-2H-pyran-3,4,5-triol (molecular formula, C13H18N2O8; molecular mass = 330). The identified phytocompound has not been reported earlier elsewhere. Therefore, the common name of the novel anticancer phytocompound isolated from oroxylum indicum in this current study is named as oroxyquinone. The half-maximal inhibitory concentration (IC50) of oroxyquinone on PC3 cells was 19.44 µg/ml (95% CI = 17.97 to 21.04). Oroxyquinone induced cell cycle arrest at S phases and inhibition of cell migration on PC3 as assessed by flow cytome-try and wound healing assay respectively. On investigating the molecular mechanism of inducing apoptosis, the results indicated that the oroxyquinone induced apoptosis through the p38 pathway and cell cycle arrest, however, not through caspase-3 and PARP pathways. The present study identifies a novel an-ticancer molecule and provides scientific evidence supporting the therapeutic potency of OI for ethnomedicinal uses.
Pharmacophore Based Screening & Modification of Amiloride Analogs for Targeting the NhaP-type Cation-Proton Antiporter in Vibrio cholerae
Authors: Mourin Muntahi , Bhattacharjee Arittra , Wai Alvan , Hausner George , O'Neil Joe , Dibrov Pavel
Published: February 2021

The genome of Vibrio cholerae contains three structural genes for the NhaP-type cation-proton antiporter paralogues, Vc-NhaP1, 2 and 3 mediating exchange of K+ and or Na+ for protons across the membrane. Based on phenotype analysis of chromosomal Vc-NhaP1, 2 and 3 triple deletion mutants we suggested that Vc-NhaP paralogues might play a role in the Acid Tolerance Response (ATR) of V. cholerae as it passes through the gastric acid barrier of the stomach. Comparison of the biochemical properties of Vc-NhaP isoforms revealed that Vc-NhaP2 is the most active among all three paralogues. Therefore, Vc-NhaP2 antiporter is a plausible therapeutic target for developing novel inhibitors targeting these ion exchangers. Our structural and mutational analysis of Vc-NhaP2 identified a putative cation binding pocket formed by antiparallel extended regions of two transmembrane segments (TMSs V/XII) along with TMS VI. Molecular Dynamics (MD) simulations suggested that the flexibility of TMS-V/XII is crucial for the intra-molecular conformational events in Vc-NhaP2. In this study, we developed some putative Vc-NhaP2 inhibitors from Amiloride analogs (AAs). Amiloride is a potent inhibitor of human Na+/H+ exchanger-1 (NHE1). Based on the pharmacokinetic properties and potential binding affinity scores we chose six AAs showing high binding affinity scores to Vc-NhaP2. In silico, the six AAs interacted with the functionally important amino acid residues located in TMSs III, IV, V, VI, VIIII and IX either from the cytoplasmic side (three AAs) or the periplasmic side (three AAs) of Vc-NhaP2. Four AAs were modified to reduce their toxicity profile compared to the original AAs. Molecular docking of the modified AAs revealed promising binding. The four selected drugs interacted with functionally important amino acid residues located on the cytoplasmic side of TMS VI, the extended chain region of TMS V and TMS XII and the loop region between TMSs VIIII and IX. Molecular dynamics simulations revealed that binding of the selected drugs destabilized the Vc-NhaP2 and altered the flexibility of functionally important TMS VI.
Taking Ownership of Your Career: Professional Development Through Experiential Learning
Authors: Segarra Veronica , Gentry William
Published: February 2021

Experiential learning can facilitate the development of transferrable skills necessary for success in attaining tenure and promotion in academia. In this article, we discuss the benefits of designing and implementing an individualized professional development experience or practicum. By doing this, we describe the experiential learning component of the Accomplishing Career Transitions (ACT) Program of the American Society for Cell Biology. The ACT program aims to assist postdoctoral trainees and junior faculty from backgrounds underrepresented in STEM as they strive to transition into tenure-track positions and ultimately attain tenure at research-intensive or teaching-intensive academic institutions.
New Insights Into the Metabolism of Methyltestosterone and Metandienone: Detection of Novel a-Ring Reduced Metabolites
Authors: Loke Steffen , Liu Lingyu , Wenzel Maxi , Scheffler Heike , Iannone Michele , de la Torre Xavier , Schloerer Nils , Botrè Francesco , Keiler Annekathrin Martina , Bureik Matthias , Parr Maria Kristina
Published: February 2021

Metandienone and methyltestosterone are orally available anabolic-androgenic steroids with a 17α-methyl structure that are prohibited in sports but are frequently detected in anti-doping analysis. After the previously reported detection of long-term metabolites with a 17ξ-hydroxymethyl-17ξ-methyl-18-nor-5ξ-androst-13-en-3ξ-ol structure in the chlorinated metandienone analog dehydrochloromethyltestosterone (“Oral Turinabol”), in this study we investigated the formation of similar metabolites of metandienone and 17α-methyltestosterone with a rearranged D-ring and a fully reduced A-ring. Using a semi-targeted approach including synthesis of reference compounds, two diastereomeric substances, viz. 17α-hydroxymethyl-17β-methyl-18-nor-5β-androst-13-en-3α-ol and its 5α-analog, were identi-fied following an administration of methyltestosterone. In post-administration urines of metandienone, only the 5β-metabolite was detected. Additionally, 3α,5β-tetrahydro-epi-methyltestosterone was identified in the urines of both administrations besides the classical metabolites included in the screening procedures. Besides their applicability for anti-doping analysis, the results provide new hypotheses on the metabolism of 17α-methyl steroids with respect to the order of reductions in the A-ring and the participation of different enzymes.
Development of Tools for Coastal Management in Google Earth Engine: Uncertainty Bathtub Model and Bruun Rule
Authors: Terres de Lima Lucas , Fernández-Fernández Sandra , Francisco Gonçalves João , Magalhães Filho Luiz , Bernardes Cristina
Published: February 2021

Sea-level rise is a problem increasingly affecting coastal areas worldwide. The existence 15 of Free and Open-Source Models to estimate the sea-level impact can contribute to better coastal 16 management. This study aims to develop and to validate two different models to predict the 17 sea-level rise impact supported by Google Earth Engine (GEE) – a cloud-based platform for plan-18 etary-scale environmental data analysis. The first model is a Bathtub Model based on the uncer-19 tainty of projections of the Sea-level Rise Impact Module of TerrSet - Geospatial Monitoring and 20 Modeling System software. The validation process performed in the Rio Grande do Sul coastal 21 plain (S Brazil) resulted in correlations from 0.75 to 1.00. The second model uses Bruun Rule for-22 mula implemented in GEE and is capable to determine the coastline retreat of a profile through the 23 creation of a simple vector line from topo-bathymetric data. The model shows a very high correla-24 tion (0.97) with a classical Bruun Rule study performed in Aveiro coast (NW Portugal). The GEE 25 platform seems to be an important tool for coastal management. The models developed have been 26 openly shared, enabling the continuous improvement of the code by the scientific community.
Stock Values and Earnings Call Transcripts: a Dataset Suitable for Sentiment Analysis
Authors: Roozen Dexter , Lelli Francesco
Published: February 2021

The dataset reports a collection of earnings call transcripts, the related stock prices, and the related sector index. It contains a total of 188 transcripts, 11970 stock prices, and 1196 sector index values. Furthermore, all of these data originated in the period 2016-2020 and are related to the NASDAQ stock market. The data have been collected using Yahoo Finance and Thomson Reuters Eikon. Specifically, Yahoo Finance offered daily stock prices and traded volume. At the same time, Thomson Reuters Eikon has been used as source for the earnings call transcripts. The dataset can be used as a benchmark for the evaluation of several NLP techniques as well as machine learning algorithms for understanding their potential for financial applications. Moreover, it is also possible to expand the dataset by extending the period in which the data originated following a similar procedure.
Mathematics Learning Practice Training with the "MiKIR" Approach to Improve Analysis and Algebra Reasoning Abilities in Mathematics MGMP SMP Sragen
Authors: Pramudya Ikrar , Mardiyana Mardiyana , Sutrima Sutrima , Sujatmiko Ponco , Aryuna Dyah Ratri
Published: February 2021

The curriculum currently applied at the junior high school level is Curriculum 2013. This curriculum focuses on student learning activities. In a sense, knowledge must be actively built by students themselves. This paradigm has been known for a long time. At least since the introduction of the concept of active student learning in 1984 by Professor Dr. Conny R. Semiawan. However, in reality the teaching and learning process that occurs is that the teacher remains the center of attention when the teaching and learning process takes place in the classroom. In other words, those who are active in learning are still teachers and students sitting quietly listening to the teacher's explanation. The challenge is whether mathematics teachers are willing and brave to change the mindset from "teacher as a learning center" to "students as a learning center". To create a teaching and learning process with "students as the learning center", of course, it must be started from the making of the learning design to the practice of its application in the learning process in the classroom. In line with these wishes and intentions, this service activity answered by providing "Training and Assistance in Mathematics Learning Practices with the" MiKIR "Approach to Improve Analytical and Algebraic Reasoning Ability for mathematics teachers who are members of the Mathematics MGMP SMP Sragen Regency. In this case, the "MiKIR" approach is interpreted as a learning approach which, when applied in a teaching and learning process, occurs in students’ situations and conditions: experiencing, interaction, communication, and reflection both between students and students and students and teachers and that means "Students as a learning center".

 
Improving Year 7 Students' Mathematics Communication Skills by The Discovery Learning Model
Authors: Dani Ulima , Zubaidah Tuti
Published: February 2021

One way to improve students' communication skills is by applying the Discovery Learning model. It can improve students' communication skills by enabling students to express ideas of their findings. Communication skills can be orally or in writing, and teachers need to motivate students to communicate actively. This study aims to determine Year 7 students' mathematics communication skills by the Discovery Learning model in mathematics learning. This was a quantitative research using a pre-experimental design with a one-group pretest-posttest. This research population was all Year 7 students in the school studied, and the sample was one class that was selected randomly. The research instruments were pre-test and post-test to explore students' communication skills. The results indicated that the Discovery Learning model could improve Year 7 students' mathematics communication skills. It is expected that this research may inform teachers and educators concerning the application of appropriate learning model for enhancing students’ communication skills.
ANALISIS YURIDIS SITA UMUM ASET BADAN USAHA MILIK NEGARA TERHADAP UNDANG-UNDANG NOMOR 1 TAHUN 2004 TENTANG PERBENDAHARAAN NEGARA
Authors: Priangga Rizal Widiya , Muryanto Yudho Taruno
Published: February 2021

Abstrak

Penelitian ini bertujuan mengkaji penerapan sita umum aset BUMN terhadap Undang-Undang Nomor 1 Tahun 2004 tentang Perbendaharaan Negara. Penelitian ini adalah penelitian hukum normatif. Sumber data  penelitian  adalah  data  sekunder  meliputi  bahan  hukum  primer  dan  bahan  hukum  sekunder. Pengumpulan bahan hukum dengan studi pustaka dan metode analisa menggunakan deduktif. Hasil penelitian bahwa status dan kedudukan hukum aset Badan Usaha Milik Negara masuk dalam domain keuangan  negara  berdasarkan  Undang-Undang  Nomor  17  tahun  2003  Tentang  Keuangan  Negara. Meskipun aset Badan Usaha Milik Negara masuk pada domain negara, dapat diterapkan sita umum terhadap aset Badan Usaha Milik Negara. Hal ini karena Badan Usaha Milik Negara pengelolaanya tunduk  pada  hukum  privat  termasuk  dalam  hal kepailitan. Aset Badan Usaha Milik Negara sebagai badan hukum ini dapat dilakukan penyitaan. Namun, apabila terdapat barang milik negara yang masih dikuasai pengelolaanya dititipkan pada Badan Usaha Milik Negara maka, terhadap Pasal 50 Undang-Undang Nomor 1 Tahun 2004 tentang Perbendaharaan Negara berlaku sehingga barang milik negara tersebut tidak dapat dilakukan penyitaan.

Kata Kunci: Sita Umum, Badan Usaha Milik Negara, Hukum Kepailitan
PERKAWINAN AGAMA MENURUT HUKUM KELUARGA DI INDONESIA
Authors: ' Lydya Arfina , ' Anjar Sri Ciptorukmi Nugraheni
Published: February 2021

Abstrak
Artikel ini bertujuan untuk mengetahui bagaimana pengaturan hukum tentang perkawinan agama menurut
hukum keluarga di Indonesia. Penelitian hukum normatif ini bersifat perspektif. dengan menggunakan
sumber-sumber  bahan  hukum,  baik  bahan  hukum  primer  maupun  bahan  hukum  sekunder. Teknik
pengumpulan data yang digunakan yaitu dengan cara . Studi dokumen merupakan teknik pengumpulan
data dengan cara mengumpulkan bahan pustaka/dokumen/arsip berupa buku-buku, jurnal, dan bahan
pustaka lainnya yang berkaitan dengan permasalahan yang diteliti. Hasil penelitian ini menjelaskan
bahwa, ketentuan hukum perkawinan agama  adalah sah selama telah memenuhi rukun dan syarat
perkawinan dalam hukum agama yang dianutnya, keharusan dalam mencatatakan perkawinan bukan
berarti dapat menganulir sahnya suatu perkawinan yang telah dilakukan dengan memenuhi rukun serta
syarat perkawinan sesuai dengan agama yang dianutnya.
Kata Kunci : Perkawinan Agama,  Akibat Hukum,  Istri, Pengaturan Hukum
PERLINDUNGAN HUKUM PIHAK KETIGA YANG MENERUSKAN KREDIT DEBITUR PERUMAHAN PADA BANK BERDASARKAN AKTA KUASA NOTARIS
Authors: Hartono Putri Earline Gracella , Suryono Arief
Published: February 2021

Abstract
This article discusses and examines the problems regarding legal protection for parties who are provided with a credit document accompanied  by a notary’s power deed in forwarding the credit of the housing debtor. This research includes prescriptive doctrinal legal research. Data collection obtained by using literature study and technical analysis obtained by using deductive method. The results of the research show that the third party as the recipient of power based on the deed of power of attorney can be guaranteed legal rights. The power of attorney deed made by notary is an authentic deed that has strong legal force and as a perfect proof that binds the parties as long as it is made to fulfill the legal requirements of the agreement, therefore the power deed held by recipient of power of attorney can be used as a basis for acting and taking ownership certificates at the bank when completing credit.
Keyword: legal protection; proxy; power of attorney; authentic deed

Abstrak
Penulisan artikel ini membahas dan mengkaji permasalahan mengenai perlindungan hukum bagi pihak yang dibekali dokumen kredit disertai akta kuasa notaris dalam meneruskan kredit debitur perumahan pada bank. Penelitian ini merupakan penelitian hukum normatif bersifat preskriptif. Teknik pengumpulan data menggunakan studi kepustakaan dan teknik analisis menggunakan metode deduktif. Hasil penelitian menunjukkan bahwa pihak ketiga selaku penerima kuasa berdasarkan akta surat kuasa dapat terjamin haknya secara hukum. Akta surat kuasa yang dibuat oleh notaris ialah akta otentik yang memiliki kekuatan hukum kuat dan sebagai alat bukti yang sempurna yang mengikat para pihak sepanjang dibuat dengan memenuhi syarat sah perjanjian, maka dari itu akta kuasa yang dipegang oleh penerima kuasa ini dapat digunakan sebagai dasar bertindak dan pengambilan sertifikat kepemilikan pada bank saat penyelesaian kredit.

Kata Kunci: Perlindungan hukum; penerima kuasa; surat kuasa; akta otentik
Verification of Acoustic-Wave-Oriented Simple State Estimation and Application to Swarm Navigation
Authors: Kida Tomoha ,   Osaka University 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan, Sueoka Yuichiro , Shigeyoshi Hiro , Tsunoda Yusuke , Sugimoto Yasuhiro , Osuka Koichi
Published: February 2021

Cooperative swarming behavior of multiple robots is advantageous for various disaster response activities, such as search and rescue. This study proposes an idea of communication of information between swarm robots, especially for estimating the orientation and direction of each robot, to realize decentralized group behavior. Unlike the conventional camera-based systems, we developed robots equipped with a speaker array system and a microphone system to utilize the time difference of arrival (TDoA). Sound waves outputted by each robot was used to estimate the relative direction and orientation. In addition, we attempt to utilize two characteristics of sound waves in our experiments, namely, diffraction and superposition. This paper also investigates the accuracy of state estimation in cases where the robots output sounds simultaneously and are not visible to each other. Finally, we applied our method to achieve behavioral control of a swarm of five robots, and demonstrated that the leader robot and follower robots exhibit good alignment behavior. Our methodology is useful in scenarios where steps or obstacles are present, in which cases camera-based systems are rendered unusable because they require each robot to be visible to each other in order to collect or share information. Furthermore, camera-based systems require expensive devices and necessitate high-speed image processing. Moreover, our method is applicable for behavioral control of swarm robots in water.
UNDERGROUND MINING EQUIPMENT KITS COAL IN SHALLOW BEDS
Authors:   National Research Technological University ", EFIMOV Viktor ,   Moscow Institute of Steel and Alloys", ABRAMKIN Nikolay ,   National Research Technological University "Moscow Institute of Steel and Alloys", VERNIGOR Vladimir ,   North Caucasian Institute of Mining and Metallurgy (State Technological University), KHAKIMOV Behruz ,   National Research Technological University "Moscow Institute of Steel and Alloys"
Published: February 2021

In Russian practice, at the author of the mines of the revolution, equipment was used, which was well made at the pest of domestic factories. In view of the core bankruptcy of the domestic factories, the coat of arms of the miners were forced to carry the burden and had the choice to buy foreign equipment.. In 90-ies tax on trail equipment, which was not produced in Russian boards, was not collected at all. The miners bought the equipment abroad, without any additional problems for the equipment import did not arise. Powered roof support and shearers are not produced in Russia and the plants had to buy them abroad both the avalanche and the separate equipment. The term fund "complex" pest has a conditional blue character, the conclusion reflecting taking only the stage of the kinematic announcement of the connection, the input of the electrohydraulic and if the electronic system suddenly controls interchangeable author sets of equipment address. temperament It is advisable to revise the concept of more classification of the kiln cleaning mechanized complexes and the lighthouse to adjust the core of the customs due to legislation to address some of the tinder customs duties on the author of the mining equipment.
West Africa Lacustrine Pre-Salt Carbonates: How Interaction of Tectonics and Diagenesis Produced Different Reservoir Facies
Authors: Ronchi Paola , Gattolin Giovanni , Frixa Alfredo , Margliulo Chiara
Published: February 2021

During the Early Cretaceous South-Atlantic opening, in large lacustrine basins a series of shallow water carbonate platforms grew along lake margins and paleo-highs. These carbonates are giant reservoirs in the Brasil offshore, while in Angola are productive in Cabinda (Lower Congo Basin) and are being explored in the Kwanza Basin with minor success. These carbonates have peculiar facies associations represented mainly by microbialites and coquinas, and are affected by dolomitization which modified the original pore system in different ways. In presence of deep-seated extensional faults, bounding the paleo-highs, the hydrothermal dolomitization affected the reservoir carbonate improving its quality; in fact the hydrothermal dolomite produced the so-called zebra dolomite which is characterized by high porosity and permeability. On the other hand, when there is a limited influx of hydrothermal fluid, some dolomitization is observed, but it did not produce the zebra facies and the poro-perm system has lower quality. These two examples suggest that the understanding of the distribution of deep faults may help in the prediction of the diagenetic effects and resulting reservoir properties.
Comparative Study on Cutting Performance of Conventional and Ultrasonic-assisted Bi-directional Helical Milling of CFRP
Authors: Chen Tao , Wang Yongsheng , Lu Yujiang , Liu Gang , Liu Guangjun
Published: February 2021

Compared with the conventional drilling, the helical milling has obvious advantages in making holes of Carbon Fiber Reinforced Plastic (CFRP). Nevertheless, the rapid wear of cutting edges readily causes some defects in the outlet holes, such as burrs and tearing. In order to improve the hole-making quality of CFRP, a comparative experimental study on conventional and ultrasonic-assisted bidirectional helical milling of CFRP was carried out. The wear mechanism of the forward and reverse cutting edges was analyzed in the two types of machining, and the change laws of cutting forces and hole wall quality were obtained by different machining means. The experimental results indicated that the flank face of forward and reverse cutting edges was dominated by the abrasive wear mechanism in the ultrasonic-assisted milling. With aggravation of the tool wear, no obvious coating peeled off the forward cutting edge, the reverse cutting edge remained relatively intact, and the wear form of neither cutting edge changed. Furthermore, in the ultrasonic-assisted reverse milling, the axial force and hole diameter deviation were restrained better than in the conventional milling, and especially when the tool wear occurred, the cutting force fluctuation varied slowly. In the ultrasonic-assisted milling, the shear fracture predominated over bending fracture. Meanwhile, the time variation of effective rake angles improved the chip breaking and removing performance of cutters, and thus the machining quality of hole wall was enhanced obviously.
Assessing Land Use and Land Cover Change in the Volta Grande Do Xingu (Pará – Brazil) Between 2000 and 2017
Authors: Affonso Alynne Almeida , Mandai Silvia Sayuri , Portella Tatiana Pineda , Grohmann Carlos Henrique , Quintanilha José Alberto
Published: February 2021

This study aims to assess the land use and land cover change through the use of three pixel-based methods of image classification (Mahalanobis, Maximum Likelihood, and Minimum Distance) in the region of Volta Grande do Xingu (Brazilian Amazon), under influence of the Belo Monte hydroelectric power plant. Different pixel-based classification methods were performed on Landsat 7 and 8 multispectral products from the years 2000 and 2017, using a 2008 map as the ground truth image. The accuracies of the classifications were compared, and land use change analyses were performed in the different scenarios. The main impacts regarding land use and land cover change were from forest to agro pasture, from non-river to river upstream the Xingu river, and from river to non-river in the south of the Volta Grande do Xingu, resulting in rocks exposure.
Superconducting Coherence Length of Hole-doped Cuprates Obtained From Electron-boson Spectral Density Function
Authors: Hwang Jungseek
Published: February 2021

Electron{boson spectral density functions (EBSDFs) can be obtained from measured spectra using various spectroscopic techniques, including optical spectroscopy. EBSDFs, known as glue functions, have a magnetic origin. Here, we investigated EBSDFs obtained from the measured optical spectra of hole-doped cuprates with wide doping levels, from underdoped to overdoped cuprates. The average frequency of an EBSDF provides the timescale for the spin fluctuations to form Cooper pairs. This timescale is directly associated with retarded interactions betweenelectrons. Using this timescale and Fermi velocity, a reasonable superconducting coherence length, which reflects the size of the Cooper pair, can be extracted. The obtained coherence lengths were consistent with those measured via other experimental techniques. Therefore, the formation of Cooper pairs in cuprates can be explained by spin fluctuations, the timescales of which appear in EBSDFs. Consequently, EBSDFs provide crucial information on the timescale of the microscopic mechanism of Cooper pair formation.
The Sleep Loss Insult of Spring Daylight Savings in the US Is Observable in Twitter Activity
Authors: Linnell Kelsey , Arnold Michael , Alshaabi Thayer , McAndrew Thomas , Lim Jeanie , Dodds Peter Sheridan , Danforth Christopher M.
Published: February 2021

Sleep loss has been linked to heart disease, diabetes, cancer, and an increase in accidents, all of which are among the leading causes of death in the United States. Population-scale sleep studies have the potential to advance public health by helping to identify at-risk populations, changes in collective sleep patterns, and to inform policy change. Prior research suggests other kinds of health indicators such as depression and obesity can be estimated using social media activity. However, the inability to effectively measure collective sleep with publicly available data has limited large-scale academic studies. Here, we investigate the passive estimation of sleep loss through a proxy analysis of Twitter activity profiles. We use \Spring Forward" events, which occur at the beginning of Daylight Savings Time in the United States, as a natural experimental condition to estimate spatial differences in sleep loss across the United States. On average, peak Twitter activity occurs 15 to 30 minutes later on the Sunday following Spring Forward. By Monday morning however, activity curves are realigned with the week before, suggesting that the window of sleep opportunity is compressed in Twitter data, revealing Spring Forward behavioral change.
Muscle Contraction is Impaired in Hypermobile People: A Study of The Lateral Abdominal Muscles
Authors: Mitchell Ulrike H. , Johnson A. Wayne , Adams Lauren , Kho Jade , Belavy Daniel L. , Owen Patrick J.
Published: February 2021

Background: Emerging evidence suggests that muscle function can be impaired in people with generalized hypermobility. The Beighton scale was developed to assess for the presence of hypermobility. This cross-sectional study assessed the activation of the lateral abdominal muscles in hypermobile (N=10; Beighton score >5) and matched non-hypermobile control (N=10) participants. Methods: Panoramic ultrasound scans of the transversus abdominis (TrA) and the external and internal abdominal obliques (EO and IO, respectively) were obtained at three lumbar levels (L1, L3, L5) at rest and during the hollowing maneuver. Results: Between-group differences in the TrA length, as well as TrA, EO and IO thickness changes between conditions (rest vs hollowing) and trunk strength and endurance were examined. Hypermobile participants exhibited less TrA shortening than controls (L1-L5: 5.1% difference, L3: 8.9% difference) and greater thickness changes at level L1 (12.7% difference). EO and IO thickness differed between groups for both conditions, where both of the muscles were 0.07cm - 0.18cm thicker at rest and 0.07cm - 0.19cm thicker with hollowing in the hypermobile participants compared to control (all: P<0.001). The ability to contract the EO was less in hypermobile participants compared to controls (P=0.002; -5.3% vs no change in thickness), while the ability to contract the IO was greater in hypermobile participants compared to in controls (P=0.038; +21.3% vs +17.6% thickness change). Hypermobile participants demonstrated over 30% greater average trunk flexion strength. Moreover, greater joint mobility was associated with less TrA muscle shortening, reduced EO thickness changes, greater isometric trunk muscle strength for both extension and flexion (all: P<0.001) and with reduced trunk muscle endurance for extension and flexion (P=0.006 and P=0.002, respectively). Conclusion: The results of this study indicate joint hypermobility is associated with reduced ability to contract TrA and EO, however, this did not appear to be associated with impaired function (e.g. muscle strength and endurance).
Development and characterization of 57 SNP markers in Misgurnus anguillicaudatus
Authors: Huang Guiyun , Gao Fengying , Liu Zhigang , Cao Jianmeng , Chen Gang , Lu Maixin
Published: February 2021

The dojo loach Misgurnus anguillicaudatus is an endemic freshwater species to Asia. The effective conservation and molecular-aided selection of M. anguillicaudatus have been limited without sufficient molecular markers. In this study, 112 novel single nucleotide polymorphisms (SNPs) were screened based on 2b-RAD sequencing database, and 57 SNP markers were developed and characterized by genotyping 40 individuals using SNaPshot method. The observed heterozygosity (Ho) ranged from 0.025 to 0.675, while the expected heterozygosity (He) varied from 0.025 to 0.500. The minor allele frequency (MAF) ranged from 0.013 to 0.500. Among these SNPs, 18 loci were found to deviate significantly from the Hardy–Weinberg equilibrium after Bonferroni correction (P < 0.05). The first set of SNP markers developed from M. anguillicaudatus will provide valuable information in further population genetic analysis and natural resource conservation.
Fabrication and experimental study of corn starch based vetiver cellulose reinforced bio-composite film for food packaging application
Authors: Arpitha G R , Verma Akarsh , Sanjay M R , Alosaimi Abeer Mohamed , Khan Anish , Hussein Mahmoud Ali , Asiri Abdullah M. , Siengchin Suchart
Published: February 2021

Established applicability of biocomposites in the field of automotive, construction and structural industries has led to a hope to utilize them in the near future for further applications such as food packaging and lightweight coatings. Due to their global abundance, natural fibers and starch have been the most widely tested and used raw materials for use as the bio-composite reinforcements. Here in this work, composites based on corn starch (CS) and vetiver cellulose fibers (VCF) are fabricated using the solution casting method. Alpha-cellulose was synthesized from the vetiver roots post converted into nano-cellulose using the ball milling. Various compositions of 0%, 5%, 10%, 15% and 20% (by weight) of this α-cellulose were introduced as the reinforcement to commercially available corn starch matrix. Tensile tests for the fabricated composites were done in accordance with the American Standard for Testing and Materials standard procedure. Crystallinity and failure morphology of the composites was studied using the X-Ray Diffraction techniques and scanning electron microscopy, respectively. Water absorption capacity test, Fourier-transform infrared spectroscopy analysis, and determination of contact angle of the films were also done to evaluate the film properties. Results reveal that the incorporation of vetiver cellulose fiber in the starch enhances the mechanical properties of bio-composites. Also, the water absorption capacity and the contact angle decreased and increased, respectively; thereby predicting the composites application as a lightweight food packaging material.
Characteristics of Bacterioplankton community, the influencing factors and functional profiles of the Huangshui River on the ecotone zone of Qinghai Plateau and Loess Plateau
Authors: Zhang Qianqian , Wu Zhenbing , Jian Shenglong , Li Kemao , Wang Guojie , Hao Jingwen , Wang Shuyi , Lin Yaoyao , Guan Hongtao , Li Aihua
Published: February 2021

Planktonic microorganisms play a key role in environmental and ecological processes in river ecosystems. Molecular techniques are increasingly used for biological monitoring of rivers. Here, the present study used high-throughput sequencing technology to investigate and study the bacterioplankton community of water bodies of the Huangshui River on the ecotone zone of Qinghai Plateau and Loess Plateau. The results indicated that the Huangshui River had lower alpha diversity than other plain rivers. Proteobacteria was the dominant phyla with relative abundance of 77.48%, followed by Firmicutes, Alphaproteobacteria and Gammaproteobacteria were significantly enriched. The predominant bacterial genera were Acidiphilium, Acidocella, Metallibacterium and Acinetobacter. Diverse taxa of potential pathogens, such as Acinetobacter, Pseudomonas, and Aeromonas, were also been identified. The major driving factors for the bacterial community were Cr6+, altitude, and TN. PICRUSt results revealed that a substantial number of functional profiles were involved in human diseases and antibiotic resistance. Therefore, further studies were needed to isolate these potentially pathogenic organisms, as this will help protect the lives of communities using Huangshui River. The present study provided a certain theoretical basis for understanding the microbial ecology and environmental protection in the Huangshui River on the ecotone zone of Qinghai Plateau and Loess Plateau.
Impact of Vegetation Leaf Area Change on Global Terrestrial Water Storage in Recent 30 Years Based on GRACE and Reconstruction Data
Authors: Hong Tao , Kang Xianbiao , Wu Junjie , Yuan Min , Liu Yunfeng
Published: February 2021

Vegetation change has an important impact on land water cycle by changing transpiration and other water exchange between land and atmosphere. Terrestrial water storage (TWS) is an important component of global water cycle and freshwater resources. However, the impact of vegetation change on terrestrial water storage under the background of global climate change is still unclear. Based on the GRACE satellite observed and GRACE-REC reconstructed global terrestrial water storage data, this study investigated the impact of global vegetation leaf area change on terrestrial water storage in recent 30 years. The results show that there is a significant positive correlation between leaf area index (LAI) and terrestrial water storage in the demand-limited region. The sensitivity of TWS on LAI change is high mainly in Australia, central and southern Africa, South Asia, Mediterranean region, western United States, southern South America and other regions with high temperature and low precipitation, and the analysis of GRACE-REC shows the sensitivity in demand-limited region has an increasing trend. Compared with climate factors such as temperature and precipitation, the TWS trend caused by LAI is nearly the same, and has the same sign (all positive or all negative) as that of originally TWS in about 63.6% global land area, and the LAI-related TWS trend is high in the region with annual average precipitation of 500-1000mm. In the six different global land cover classes, the sensitivity of TWS to the LAI change is much higher in semi-arid, grass cop, sparsely vegetated regions, and LAI plays an important role in the interannual variations of TWS in semi-arid, grass cop regions. This study emphasizes the important role of vegetation change in the land water cycle, which is of great significance to the management and utilization of water resources in the future, especially in the arid and semi-arid regions.