bluuebunny/crossref_metadata_2025 huggingface dataset:
Water Storage in Dry Riverbeds of Arid and Semi-Arid Regions: Overview, Challenges, and Prospects of Sand Dam Technology
Authors: Yifru Bisrat Ayalew , Kim Min-Gyu , Lee Jeong-Woo , Kim Il-Hwan , Chang Sun-Woo , Chung Il-Moon
Published: May 2021

Augmenting water availability using water-harvesting structures is of importance in arid and semi-arid regions (ASARs). This paper provides an overview and examines challenges and prospects of the sand dam application in dry riverbeds of ASARs. The technology filters and protects water from contamination and evaporation with low to no maintenance cost. Sand dams improve the socio-economy of the community and help to cope with drought and climate change. However, success depends on the site selection, design, and construction. The ideal site for a sand dam is at a transition between mountains and plains, with no bend, intermediate slope, and impermeable riverbed in a catchment with a slope greater than 2°. The spillway dimensioning considers the flow velocity, sediment properties, and storage target, and the construction is in multi-stages. Recently, the failure of several sand dams because of incorrect siting, evaporation loss, and one-stage construction were reported. Revision of practitioners’ manuals by considering catchment scale hydrological and hydrogeological characteristics, spillway height, and sediment transport are recommended. Research shows that protected wells have better water quality than open wells and scoop holes. Therefore, the community should avoid open defecation, pit latrines, tethering of animals, and applying pesticides near the sand dam.
COVID 19 and the Business Management Crisis: An Empirical Study in SMEs
Authors: Rodrigues Margarida , Franco Mário , Sousa Nuno , Silva Rui
Published: May 2021

The COVID-19 pandemic has forced many firms to close, causing an unprecedented interruption in trade in most sectors of economic activity worldwide. Although global supply chains have been affected by the general lockdown, due to their particular characteristics, small and medium-sized enterprises (SMEs) have been hit most severely by the measures implemented to prevent the spread of the virus. This study aims to determine how these firms coped with the disruption caused by the closure, in terms of population and their daily lives to carry out their economic activities. For this purpose, a qualitative methodology (descriptive and inductive) was used through the use of snowball sampling with a questionnaire in Portugal during the lockdown. The results obtained show that SMEs face a series of difficulties from interrupting their operations, which has caused serious liquidity problems, with effects on their future continuity and maintaining jobs. Additionally, it showed the importance of government measures to support these firms today and in the future, although the number of firms adhering to them is considerably affected by the eligibility criteria and the speed of institutions’ response. The main contribution of this research lies in confirming that the weaknesses in SMEs are the principal obstacle to a resilient response to this crisis, such as their limited liquidity, human resources, digitalization, and use of information technology. These weaknesses and/or threats had already been indicated in the various theoretical currents stemming from Organizational Theory, so the originality of this contribution lies in the fact that the managers of these SMEs are endowed with other skills and characteristics, such as, for example, dynamic capacities to manage business in an unparalleled crisis and to continue their operations, even when faced with a global blockage. Implications for theory and practice, limitations, and suggestions for future research are also presented.
Resilience and Digitalization in Short Food Supply Chains: A Case Study Approach
Authors: Michel-Villarreal Rosario , Vilalta-Perdomo Eliseo Luis , Canavari Maurizio , Hingley Martin
Published: May 2021

The interest in short food supply chains (SFSCs) has grown significantly in the last decade, notably in respect of their potential role to achieve more sustainable food chains. However, a major barrier to achieving sustainable supply chains is the uncertainty associated with supply chain activities. Therefore, this paper aims to explore the different resilience capabilities that SFSCs possess and the potential role of digital technologies as enablers of SFSCs’ resilience. Using a case study research approach, semi-structured interviews were conducted in two SFSCs in Mexico. Collected data were analyzed using thematic analysis. Findings suggest that SFSCs possess the supply chain resilience (SC resilience) capabilities investigated here, namely flexibility, redundancy, collaboration, visibility and agility. A key finding is the importance of low-cost digital technologies (including freeware and social media) that can support flexibility, collaboration, visibility and agility. These findings raise important implications for SFSCs actors exploring opportunities to improve their collective resilience. This study expands the current literature by proposing a conceptual framework that summarizes a wide variety of strategies that support SC resilience capabilities in the context of SFSCs.
Second-Generation Phosphorus: Recovery from Wastes towards the Sustainability of Production Chains
Authors: Hollas Camila Ester , Bolsan Alice Chiapetti , Venturin Bruno , Bonassa Gabriela , Tápparo Deisi Cristina , Cândido Daniela , Antes Fabiane Goldschmidt , Vanotti Matias B. , Szögi Ariel A. , Kunz Airton
Published: May 2021

Phosphorus (P) is essential for life and has a fundamental role in industry and the world food production system. The present work describes different technologies adopted for what is called the second-generation P recovery framework, that encompass the P obtained from residues and wastes. The second-generation P has a high potential to substitute the first-generation P comprising that originally mined from rock phosphates for agricultural production. Several physical, chemical, and biological processes are available for use in second-generation P recovery. They include both concentrating and recovery technologies: (1) chemical extraction using magnesium and calcium precipitating compounds yielding struvite, newberyite and calcium phosphates; (2) thermal treatments like combustion, hydrothermal carbonization, and pyrolysis; (3) nanofiltration and ion exchange methods; (4) electrochemical processes; and (5) biological processes such as composting, algae uptake, and phosphate accumulating microorganisms (PAOs). However, the best technology to use depends on the characteristic of the waste, the purpose of the process, the cost, and the availability of land. The exhaustion of deposits (economic problem) and the accumulation of P (environmental problem) are the main drivers to incentivize the P’s recovery from various wastes. Besides promoting the resource’s safety, the recovery of P introduces the residues as raw materials, closing the productive systems loop and reducing their environmental damage.
The Influence of the Duration of Journey Stages on Transport Mode Choice: A Case Study in the City of Tarnow
Authors: Bauer Marek , Kisielewski Piotr
Published: May 2021

In this paper, we present the effect of making too many private car journeys on city transport systems. A sustainable approach for the development of transport infrastructure is needed, which takes into account local conditions and needs, especially for areas with a high density of origins and destinations. The criteria for evaluating public transport and bicycle transport are presented, which, if acceptable to city residents, may lead to changes in transportation behaviors and, thus, a more efficient use of transport in daily travels. Factors affecting the mode of transport choice include the duration of particular stages of a journey, such as reaching the location where the first ride commences/driving from the travel origin, waiting for a vehicle (bus journeys) or ride/drive, and reaching the travel destination of the last ride/drive. Additionally, the possibility of using a car and having a seasonal ticket for public transport were taken into account. In this study, the results of detailed travel research in the Polish city of Tarnow were used. It has been proven that the low share of public transport in daily travels is due, among other things, to excessive time to reach a stop and due to walking to journey destinations, whereas the low share of cycling is mainly due to a lack of comfort and safe cycling infrastructure.
Study of Temporal Variations in Species–Environment Association through an Innovative Multivariate Method: MixSTATICO
Authors: González-Narváez Mariela , Fernández-Gómez María José , Mendes Susana , Molina José-Luis , Ruiz-Barzola Omar , Galindo-Villardón Purificación
Published: May 2021

The study of biotic and abiotic factors and their interrelationships is essential in the preservation of sustainable marine ecosystems and for understanding the impact that climate change can have on different species. For instance, phytoplankton are extremely vulnerable to environmental changes and thus studying the factors involved is important for the species’ conservation. This work examines the relationship between phytoplankton and environmental parameters of the eastern equatorial Pacific, known as one of the most biologically rich regions in the world. For this purpose, a new multivariate method called MixSTATICO has been developed, allowing mixed-type data structured in two different groups (environment and species) to be related and measured on a space–time scale. The results obtained show how seasons have an impact on species–environment relations, with the most significant association occurring in November and the weakest during the month of May (change of season). The species Lauderia borealis, Chaetoceros didymus and Gyrodinium sp. were not observed in the coastal profiles during the dry season at most stations, while during the rainy season, the species Dactyliosolen antarcticus, Proboscia alata and Skeletonema costatum were not detected. Using MixSTATICO, species vulnerable to specific geographical locations and environmental variations were identified, making it possible to establish biological indicators for this region.
Risk-Informed Performance-Based Metrics for Evaluating the Structural Safety and Serviceability of Constructed Assets against Natural Disasters
Authors: de Almeida Nuno Marques , Silva Maria João Falcão , Salvado Filipa , Rodrigues Hugo , Maletič Damjan
Published: May 2021

The tangible and intangible value derived from the built environment is of great importance. This raises concerns related to the resilience of constructed assets to both human-made and natural disasters. Consideration of these concerns is present in the countless decisions made by various stakeholders during the decades-long life cycle of this type of physical asset. This paper addresses these issues from the standpoint of the engineering aspects that must be managed to enhance the structural safety and serviceability of buildings against natural disasters. It presents risk-informed performance-based parameterization strategies and evaluation criteria as well as design methods to embed differentiated levels of structural safety and serviceability of buildings against wind, snow, earthquakes and other natural agents. The proposed approach enables designers to assure the resilience and reliability of building structures against natural risks.
Sexual Transmission of Lyme Borreliosis? The Question That Calls for an Answer
Authors: Rudenko Natalie , Golovchenko Maryna
Published: May 2021

Transmission of the causative agents of numerous infectious diseases might be potentially conducted by various routes if this is supported by the genetics of the pathogen. Various transmission modes occur in related pathogens, reflecting a complex process that is specific for each particular host–pathogen system that relies on and is affected by pathogen and host genetics and ecology, ensuring the epidemiological spread of the pathogen. The recent dramatic rise in diagnosed cases of Lyme borreliosis might be due to several factors: the shifting of the distributional range of tick vectors caused by climate change; dispersal of infected ticks due to host animal migration; recent urbanization; an increasing overlap of humans’ habitat with wildlife reservoirs and the environment of tick vectors of Borrelia; improvements in disease diagnosis; or establishment of adequate surveillance. The involvement of other bloodsucking arthropod vectors and/or other routes of transmission (human-to-human) of the causative agent of Lyme borreliosis, the spirochetes from the Borrelia burgdorferi sensu lato complex, has been speculated to be contributing to increased disease burden. It does not matter how controversial the idea of vector-free spirochete transmission might seem in the beginning. As long as evidence of sexual transmission of Borrelia burgdorferi both between vertebrate hosts and between tick vectors exists, this question must be addressed. In order to confirm or refute the existence of this phenomenon, which could have important implications for Lyme borreliosis epidemiology, the need of extensive research is obvious and required.
Validation of Inactivation Methods for Arenaviruses
Authors: Olschewski Silke , Thielebein Anke , Hoffmann Chris , Blake Olivia , Müller Jonas , Bockholt Sabrina , Pallasch Elisa , Hinzmann Julia , Wurr Stephanie , Neddersen Neele , Rieger Toni , Günther Stephan , Oestereich Lisa
Published: May 2021

Several of the human-pathogenic arenaviruses cause hemorrhagic fever and have to be handled under biosafety level 4 conditions, including Lassa virus. Rapid and safe inactivation of specimens containing these viruses is fundamental to enable downstream processing for diagnostics or research under lower biosafety conditions. We established a protocol to test the efficacy of inactivation methods using the low-pathogenic Morogoro arenavirus as surrogate for the related highly pathogenic viruses. As the validation of chemical inactivation methods in cell culture systems is difficult due to cell toxicity of commonly used chemicals, we employed filter devices to remove the chemical and concentrate the virus after inactivation and before inoculation into cell culture. Viral replication in the cells was monitored over 4 weeks by using indirect immunofluorescence and immunofocus assay. The performance of the protocol was verified using published inactivation methods including chemicals and heat. Ten additional methods to inactivate virus in infected cells or cell culture supernatant were validated and shown to reduce virus titers to undetectable levels. In summary, we provide a robust protocol for the validation of chemical and physical inactivation of arenaviruses in cell culture, which can be readily adapted to different inactivation methods and specimen matrices.
Targeting Antigens for Universal Influenza Vaccine Development
Authors: Nguyen Quyen-Thi , Choi Young-Ki
Published: May 2021

Traditional influenza vaccines generate strain-specific antibodies which cannot provide protection against divergent influenza virus strains. Further, due to frequent antigenic shifts and drift of influenza viruses, annual reformulation and revaccination are required in order to match circulating strains. Thus, the development of a universal influenza vaccine (UIV) is critical for long-term protection against all seasonal influenza virus strains, as well as to provide protection against a potential pandemic virus. One of the most important strategies in the development of UIVs is the selection of optimal targeting antigens to generate broadly cross-reactive neutralizing antibodies or cross-reactive T cell responses against divergent influenza virus strains. However, each type of target antigen for UIVs has advantages and limitations for the generation of sufficient immune responses against divergent influenza viruses. Herein, we review current strategies and perspectives regarding the use of antigens, including hemagglutinin, neuraminidase, matrix proteins, and internal proteins, for universal influenza vaccine development.
Investigation Of Stability Changes In A Neural Field Model
Authors: ÖZGÜR Berrak
Published: May 2021

In this paper, the stability analysis of the neural field model is studied. The special case for three neuron populations is considered. The work is conducted by finding the characteristic equation of the system first and then investigating the characteristic roots of the third-order equation by using the Routh-Hurwitz criterion and Sturm sequence. The main analysis is given in two parts considering the nonexistence and existence of the delay term. Some basic stability criteria in terms of coefficients of the system are given in the theorems.
CARTOGRAFANDO SABERES: POR ENTRE TRAÇOS RIZOMÁTICOS NO CURRÍCULO DE CIÊNCIAS NA EDUCAÇÃO DE JOVENS E ADULTOS
Authors: Corrêa Edilena Maria
Published: May 2021

CARTOGRAFANDO SABERES: POR ENTRE TRAÇOS RIZOMÁTICOS NO CURRÍCULO DE CIÊNCIAS NA EDUCAÇÃO DE JOVENS E ADULTOS
TECENDO UM POEMA POR ENTRE BLOCOS DE IMAGENS... BLOCOS DE VIDA... FOTOGRAFIA
Authors: Neto Manoel
Published: May 2021

TECENDO UM POEMA POR ENTRE BLOCOS DE IMAGENS... BLOCOS DE VIDA... FOTOGRAFIA
OS LIVROS DA PRAÇA: DIFERENTES LEITURAS NA ALFÂNDEGA - PORTO ALEGRE / RS
Authors: Cunegatto Thais
Published: May 2021

OS LIVROS DA PRAÇA: DIFERENTES LEITURAS NA ALFÂNDEGA - PORTO ALEGRE / RS
Taşkın Risk Haritasının Oluşturulması: Trabzon İli Vakfıkebir İlçesi Kirazlı Deresi Örneği
Authors: ERTÜRK Esra , KAYA Nihat , MERCAN Selçuk
Published: May 2021

Bu çalışma kapsamında, proje alanı olarak seçilen Trabzon İli, Vakfıkebir İlçesi Kirazlı deresi için Hydrologic Engineering Center-River Analysis System (HEC-RAS) yazılımı ile kurulmuş 1 boyutlu ve 2 boyutlu hidrodinamik modellerle, Q500 debisi kullanılarak, elde edilmiş taşkın tehlike ve derinlik haritaları doğrultusunda en riskli durumu belirleyebilmek için taşkına maruz kalan alanların yer aldığı binalarda nüfus analizi yapılmıştır. Çalışma alanının Doğu Karadeniz Bölgesinde seçilme nedeni, hem meteorolojik olarak fazla yağış alması hem de topoğrafik açıdan taşkın riski taşımasıdır. Daha önce hazırlanan taşkın tehlike ve derinlik haritaları doğrultusunda; taşkından etkilenen insan sayısı, sosyo-ekonomik aktiviteler ve olası ekonomik zararların tahmin edilmesi amaçlanarak taşkından etkilenebilecek yapıların risk durumunu belirlenmeye çalışılmıştır. Taşkın risk durumu belirlenirken Geographic Information System (Arc-GIS) programı ile taşkın derinlik haritasında yer alan konutlar, fabrika, sera alanlarının, konumları ve o bölgede yaşayan nüfus sayısının belirlenmesinin ardından yapıların cinsine göre ekonomik zarar hesaplanmıştır. Yapıların toplam ekonomik zarar değerinin yapıların kendi alanlarına bölünmesiyle taşkın birim zararı hesaplanarak, hesaplanan bu değerlerin birim metrekareye düşen maksimum ve minimum zarar değerleri 0 ile 1 arasında normalize edilmiştir. Nüfus risk durumu içinde yine aynı metot kullanılarak, normalize edilmiş birim taşkın zararı ile nüfus toplanarak taşkın risk durumu belirlenmiştir. Taşkın risk yüzdelerinin belirlendiği bu çalışmada, taşkından etkilenen yapıların durumuna göre de kabul yöntemiyle yapılan standart sapma analizi sonucu tehlike risk dereceleri belirlenmiştir. Bu kapsamda yapılan çalışma sonucu, taşkın zararlarının etkilerini en aza indirmek maksadıyla derenin belirli kısımlarda gerekli taşkın kontrol yapıları ile mevcut sanat yapılarının yeniden yapılması veya iyileştirilmesi ve derenin düzenli olarak yılda bir defa yatak temizliğinin yapılmasının faydalı olacağı düşünülmektedir.
Bienestar material y autodeterminación en la calidad de vida en estudiantes universitarios
Authors: Lozano-Gutiérrez Jorge Luis , Rodríguez-García Francisco Javier , Pacheco-Amigo Betriz Mabel , Emma-Perla Solís Recéndez
Published: May 2021

The objective of this research is to identify the relationship between material well-being and self-determination in university students in their quality of life. Methodology: It is carried out as a non-experimental, cross-sectional, descriptive, correlational study, processed by SPSS statistical package. Contribution: Identification of the material conditions of university students and their level of self-determination in their quality of life, elements that impact on the maintenance in the study until obtaining the degree through receiving economic support within the social policy to vulnerable groups, and that if school dropout occurs. Where it was found that students perceive themselves with low level of material well-being, but with a high level of self-determination that can be shown in the activities they carry out in their responsibilities as university students, having less dependence on parents, with decision making and direction of his life with some independence.
Transformación de un auto Sedan (volkswagen) a híbrido y totalmente eléctrico
Authors: Chavez-Mendoza Juan Manuel
Published: May 2021

In this work, a proposal is made to transform the vw sedan vehicle into a hybrid and electric vehicle as a viable alternative, to reduce polluting emissions from combustion vehicles and the high costs that conventional fuels have managed to achieve in recent times, New structures have been implemented to improve vehicle propulsion conditions by reducing pollutants. For this reason, the option of vehicles that contain two systems to generate their operation is attractive. The option that we are going to analyze is a hybrid vehicle with a parallel arrangement, in which the electrical energy that drives it comes from batteries and alternatively from an internal combustion engine that drives a generator. Typically, an internal combustion engine can also drive the wheels directly. In the design of a hybrid car, the heat engine is the energy source that is used as last option, and an electronic system is arranged to determine which engine to use and when to use it.
Impacto del modelo dual de TSU en logística área cadena de suministros en la ciudad de San Luis Potosí
Authors: Chávez-Govea Roberto , Castro-López José David , Salazar-Salas Elizabeth , Cedillo-Campos Hermes Orestes
Published: May 2021

The lack of professionals specialized in key issues for modern industry at the entrance of the digital supply chain and of accelerated changes in technology is a variable in most Latin American countries. At the international level, the “dual learning system” model has emerged that combines the theoretical training of the university with the practice in the organization, in a way that strengthens the knowledge of the apprentices to ensure business requirements and, at the same time, develop their own employability. The objective of the article is to publicize the acceptance of the dual model in the state of San Luis Potosí, covering the educational program in Higher University Technician in Logistics in the Supply Chain area based on interviews and surveys applied to students and internal staff of the organization. As a result, the deductive methodology was applied for the identification of fundamental variables in order to develop an analytical model that seeks to determine the processes of the logistics chain within the organizational scope.
Jenis-Jenis Gastropoda di Zona Intertidal Pantai Indrayanti Yogyakarta
Authors: Lestari Dian Fita , Fatimatuzzahra Fatimatuzzahra , Syukriah Syukriah
Published: May 2021

Gunung Kidul is one of the districts in Yogyakarta that has a long coastline with coral substrate and white sand. One of the beaches with coral and rocky substrates is Indrayanti Beach. The rocky substrate provides unique characteristics for the life of marine organisms in the intertidal zone. Gastropods is one of the seven classes in the Mollusc phylum. Gastropods are found mostly in the sea and fresh water, especially in the intertidal zone of beach. The aim of this study is to identify gastropods that found in the Indrayanti intertidal zone and classifying each species. The method of this study is observation and sampling techniques with accidental sampling at low tide. Data analysis is descriptive based on morphological characteristics of each species. Based on the results of this study, there are 5 sub-classes, 9 orders, 2 Superfamily, 21 families, 35 genera and 72 species. Sub-classes found are heterobranchia, caenogastropods, neritimorpha, vestigastropods, and patelogastropods. The highest number of species found in the caenogastropod subclass was 32 species (44% of the total species) which were dominated by the order of neogastropod.
Analisis Prestasi Akademik Mahasiswa Teknik Informatika Institut Teknologi Sumatera (ITERA) Berdasarkan Jalur Seleksi Masuk Perguruan Tinggi Negeri
Authors: Idris Mohamad
Published: May 2021

Indicators of student success in the academic at university is the Cumulative grade point average (GPA). Assessed from the Selection Pathways students for State Universities, it is suspected that there are differences in the academic achievement of students. Therefore, this study aims to determine and analyze the academic achievement of students based on the Selection Pathways students at the Department of Informatics Engineering, ITERA. This research is a quantitative research. The population in this study were all students who still active at the Department of Informatics Engineering generation 2017, 2018, and 2019. The samples of this study were 239 (SNMPTN), 239 (SBMPTN), and 35 (Mandiri). The data collection methods were conducted using documentation techniques in the form of GPA data’s students and the Selection Pathways students. Data were analyzed using the ANOVA test. The results of data analysis research were obtained an average GPA of students in the SNMPTN (2.93), SBMPTN (2.89), and Mandiri (2.59). Result of ANOVA test showed that F count (4.363) > F table (3.0133). The conclusion of this study showed that there are significant differences in the academic achievement of students Based on the Selection Pathways for State Universities.
The Effect of Processing Parameters on the Properties of Fish Gelatin Hydrolysate Nanoparticle
Authors: Subara Deni , Jaswir Irwandi
Published: May 2021

Fish gelatin hydrolysate is a well- known fish by-product that is high in protein content. It is produced from by-product waste from the fish processing industry, which includes fish skin, head, and bones. Gelatin hydrolysates have recently received much attention due to its high protein content and bioactivity, which includes antioxidant, antimicrobial and antihypertensive activities. The transformation of gelatin hydrolysate into nanoparticles is believed to increase its economic value. Furthermore, reduction into nano-size increases the absorption characteristic of this material. Here, fish gelatin hydrolysate nanoparticles are prepared for the first time using desolvation method. The effects of concentration of gelatin hydrolysate, pH of solution, and acetone concentration on nanoparticle size are determined. The prepared gelatin hydrolysate nanoparticles were found to have spherical shape with sizes varying from 300-400 nm with a mean size of 408 ± 11.4 nm, zeta potential of -16.4 ± 1.2 mV and PDI 0.203 ± 0.07. This study showed that concentration of gelatin hydrolysate, pH and concentration of solvent have significant effects on nanoparticle size. The gelatin hydrolysate nanoparticles can be applied in the pharmaceutical industry for the encapsulation of drugs to facilitate delivery to target sites.
Simulasi Energi dan Keekonomian Sistem Pembangkit Listrik Tenaga Surya (PLTS) untuk Fungsi Peak Load Shaving pada Bangunan di Lingkungan Kampus ITB
Authors: Haq Irsyad Nashirul , Pradipta Justin , Sheba Muhamad Riezar Satria , Persada Alief Widjoseno Damar , Soelami F.X. Nugroho , Leksono Edi
Published: May 2021

Pada paper ini, dilakukan simulasi produksi energi dan keekonomian dari sistem PLTS terintegrasi dengan jaringan listrik yang merupakan bagian dari proyek instalasi sistem smart microgrid di bangunan Center for Advanced Sciences (CAS) ITB. Terdapat dua sistem PLTS yang dianalisis yaitu sistem PLTS 40 kWp tanpa baterai, dan sistem PLTS 10 kWp dengan baterai yang terhubung ke beban kritis. Kedua sistem PLTS tersebut dirancang dengan tujuan peak load shaving yang dapat meminimalisir adanya ketidakseimbangan antara produksi energi surya dan permintaan listrik. Kedua sistem dianalisis dengan metoda simulasi berdasarkan aspek energi dan ekonomi menggunakan perangkat lunak PVsyst dan Homer. Dari hasil simulasi sistem PLTS 40 kWp didapatkan nilai performance ratio (PR) sebesar 0,833, renewable fraction (RF) sebesar 18,73%, dan cost of energy (COE) sebesar Rp 1.251,85/kWh yang mana nilai PR dan COE telah memenuhi target bisnis: PR > 0.8 dan COE < Rp 1.467,28/kWh tetapi tidak memenuhi target RF > 35%. Sementara dari hasil simulasi sistem PLTS 10 kWp didapatkan nilai PR sebesar 0,77, RF sebesar 44,38% hingga 52,19% pada rentang depth of discharge 20% - 80%, dan COE sebesar Rp 2.103/kWh hingga Rp 6.315/kWh pada rentang DoD 20% - 80% yang mana hanya nilai RF telah memenuhi target bisnis.
Pemanfaatan Vertical Garden Sebagai Alternatif Solusi Ketersediaan Pangan Masyarakat
Authors: Miftahudin Zulpi , Randy Randy Fadillah Gustaman , Dede Dede Wahyu Firdaus , Tio Setio Galih Marlyono
Published: May 2021

Universitas Siliwangi sebagai institusi Pendidikan memiliki kewajiban pengabdian terhadap masyarakat sebagaimana tercantum dalam Tri Dharma Universitas. Bentuk pengabdian yang akan diajukan adalah mengedukasi masyarakat akan Ketahanan Pangan, dalam hal ini secara spesifiknya adalah dengan membangun Vertical Garden sebagai solusi alternative pemenuhan kebutuhan pangan masyarakat perkotaan dalam era New Normal Covid-19. Lokasi pengabdian adalah di Kelurahan Setiamulya Kecamatan Tamansari Kota Tasikmalaya. Bentuk kegiatan pengabdian ini adalah berbasis kemitraan dengan menggunakan kaji tindak (action research) dengan menggunakan pendekatan andragogy yaitu Pendidikan orang dewasa dengan jenis pelatihan berupa workshop. Metode utama yang digunakan dalam pelatihan adalah  demontrasi, simulasi, dan praktek pemasangan vertical garden. Siklus pengabdiannya terdiri dari dua siklus, siklus pertama yaitu (1) Orientasi pelatihan, (2) Pemaparan materi terkait vertical garden, (3) Workshop pembuatan vertical garden, (4) Refleksi ketercapaian target pelatihan siklus pertama. Sedangkan siklus kedua terdiri dari (1) Penyampaian refleksi siklus pertama, (2) Workshop perbaikan dan penyempurnaan vertical garden, (3) Refleksi ketercapaian target pelatihan siklus kedua. Khalayak sasaran dari pengabdian ini adalah masyarakat di Kelurahan Setiamulya Kecamatan Tamansari Kota Tasikmalaya yang dipilih secara random sampling sebanyak 5 rumah (menyesuaikan dengan biaya pengabdian). Target luaran dan dampak yang ingin dicapai oleh pengabdian ini adalah terbinanya masyarakat yang mengerti dan dapat memanfaatkan vertical garden untuk kebutuhan pangan sehari-hari ditengah pandemic covid-19 ini.

Kata kunci : Vertical Garden, Ketersediaan Pangan, Masyarakat
Pendampingan 1000 Hari Pertama Kehidupan Pada Ibu Hamil di Wilayah Kecamatan Cimahi Selatan
Authors: Sovia Evi , Triningtyas Anastasia Yani
Published: May 2021

Masa 1000 hari pertama kehidupan (HPK) merupakan masa terpenting dalam daur kehidupan manusia. Pengabdian kepada masyarakat (PKM) ini bertujuan untuk mendampingi ibu hamil sampai melahirkan dan anak berusia 2 tahun dengan memberikan edukasi dan pemantauan status gizi. PKM ini dilakukan pada 147 ibu hamil di wilayah Kecamatan Cimahi Selatan yang masing-masing didampingi oleh seorang mahasiswa Fakultas Kedokteran Universitas Jenderal Achmad Yani untuk melakukan edukasi dan pemantauan status gizi.  Hasil PKM menunjukkan sebagian besar ibu hamil sudah melakukan asuhan antenatal secara teratur ke pelayanan kesehatan, tetapi persalinan ibu dengan usia kehamilan prematur masih cukup tinggi.  Penolong persalinan pada umumnya sudah dilakukan oleh tenaga kesehatan. Sebagian besar ibu juga sudah menggunakan kontrasepsi sesudah melahirkan. Berat badan lahir bayi sebagian besar normal dan diberikan ASI ekslusif. Tetapi, masih didapatkan anak dengan status gizi kurang dan tidak mendapatkan imunisasi dasar lengkap. Kesimpulan masih ditemukan masalah gizi dan imunisasi pada bayi sasaran pendampingan 1000 HPK.

Kata kunci: 1000 HPK, ibu hamil, bayi, status gizi
On the Centenary of the Birth of Academician I.N. Blokhina
Authors: Efimov EI , Grigorieva GI , Brusnigina NF , Chernevskaya OM , Koroleva VV , Snegireva MS
Published: May 2021

Background: April 21, 2021 marks the centenary of the birth of Irina N. Blokhina – a world-famous scientist, Academician of the Russian Academy of Medical Sciences, Doctor of Medical Sciences, Professor, Laureate of the USSR State Prize, and Honorary Citizen of the city of Nizhny Novgorod. For 44 years, Dr. Blokhina headed the Nizhny Novgorod (Gorky) Research Institute of Epidemiology and Microbiology. The objective of this paper is to reflect and analyze the historical role of the personality in the development of new research areas, achievement of outstanding scientific results, and education of younger generations of scientists on the example of the life path of Dr. Blokhina, whose name is associated with the most productive times in the history of the institute. Materials and methods: In preparing the present article, we analyzed extensive archival materials, scientific and media publications, and memoirs of contemporaries. Findings: We describe how the breadth of scientific outlook of this eminent scientist, her deep and comprehensive erudition, and a constant thirst for new knowledge allowed her to see and effectively solve the most pressing problems of fundamental science and practical health care. Professor Blokhina devoted her entire life to medical science by developing priority science trends in biochemistry, microbiology, immunology, biotechnology, and molecular biology. Conclusions: The personality of Academician Irina N. Blokhina demonstrates how purposefulness, creative attitude to assigned tasks, and a high degree of responsibility enable a person to achieve top results in science and life. Our findings may be particularly useful in education of the younger generation of scientists.
Pluralidade de objeto versus pluralismo de concepções em teorias psicológicas
Authors: Gomes William Barbosa
Published: May 2021

Unidade (pluralidade) versus desunidade (pluralismo) tem sido debate conceitual frequente em torno da existência de uma ou de várias psicologias. Na literatura, os debates se intensificaram com a série Psychology: A Study of a Science, editados por Sigmund Koch, entre 1959 e 1963. No final dos seis volumes publicados, Koch concluiu que a psicologia não é uma ciência coerente, e sim uma coleção de estudos, variando entre maior ou menor rigor científico. Desde então, o tema tem sido frequente nos poucos periódicos abertos à psicologia teórica, trazendo proposições de teorias unificadoras, defesa de unificação por áreas, ou alegações de que a grandeza da disciplina está na diversidade. O presente artigo argumenta que a premente necessidade não é de teorias que sugiram modos de unidade, mas de critérios que apontem para possibilidades de se mover com proveito entre teorias, atento às surpreendentes relações implícitas entre elas.
THE SHORES OF KRESTA BAY (BERING SEA)
Authors: Бровко П.Ф.
Published: May 2021

В заливе Креста Берингова моря в 1946 году приступили к строительству морского порта, а пять лет спустя в заливе начала работать первая береговая экспедиция Института океанологии АН СССР под руководством А.Т. Владимирова. Экспедиция определила главные факторы развития берегов, основные черты их морфологии и динамики, установила особенности эволюции побережья. Многие объекты залива (острова и мысы, бары и косы, бухты и лагуны) имеют как местные названия, так и обозначенные первыми гидрографами – исследователями, составляя своеобразную «мозаику» береговой топонимии.

In 1946, the construction of a seaport began in Kresta Bay of the Bering Sea, and the first coastal expedition of the Institute of Oceanology of the USSR Academy of Sciences under the leadership of Vladimirov A.T. began to work five years later. The expedition identified the main factors of coastal development, the main features of their morphology and dynamics, and established the features of coastal evolution. Many objects of the Bay (islands and capes, bars and spits, bays and lagoons) have both local names and those designated by the first hydrographer-researchers, making up a kind of "mosaic" of coastal toponymy.
METHODOLOGY OF POST-NON-CLASSICAL SCIENTIFIC KNOWLEDGE IN THE CONTEXT OF SOLVING FUNDAMENTAL ECOLOGICAL AND GEOGRAPHICAL PROBLEMS
Authors: Бочарников В.Н.
Published: May 2021

Представляется систематизированное изложение методологии в контексте обозначения перехода от поисков объективной истины во всей ее конкретности и полноте содержания к созданию новой познавательной основы, применимой для теоретических разработок и практического применения эколого-географических задач взаимодействия человека и природы.

A systematic presentation of the methodology is presented in the context of marking the transition from the search for objective truth in all its concreteness and completeness of content to the creation of a new cognitive basis applicable for theoretical developments and practical application of ecological and geographical problems of interaction between man and nature.
THE USE OF LANDSCAPE APPROACH TO STUDY THE ENVIRONMENTAL SITUATION IN THE REGION OF OZ, VASKOV DURING THE STUDENT PRACTICES OF STUDENTS OF GEOGRAPHERS OF FEFU
Authors: Дряхлов А.Г. , Нестеренко И.Г.
Published: May 2021

В статье обосновывается применение ландшафтного подхода как научной основы проведение учебных практик по специальности «география» Показано, что современные ландшафты – важные территориальные единицы для комплексных оценок состояние окружающей среды для выявления экологических проблем, которые выполняются во время учебных практик.

The article substantiates the application of the landscape approach as a scientific basis for conducting educational practices in the specialty "geography" It is shown that modern landscapes are important territorial units for comprehensive assessments of the state of the environment to identify environmental problems that are carried out during educational practices.
SOCIO-ECONOMIC SITUATION OF THE ARCTIC REGIONS OF THE FAR EAST
Authors: Ушаков Е.А. , Чурзина А.А.
Published: May 2021

В статье рассматриваются я социально-экономическая ситуация, сложившаяся в арктических регионах Дальневосточного федерального округа. Отмечена важность этой территории для стратегического развития России. Дана комплексная социально-экономическая характеристика арктических регионов. Отдельно выделены прибрежные и континентальные районы арктической части Республики Саха (Якутия), а также муниципальные образования Чукотского автономного округа. Выделены группы муниципальных районов по совокупности социально-экономических показателей. Отмечены особенности социально-экономического развития поселений.

The article examines the current socio-economic situation in the Arctic regions of the Far Eastern Federal District. The importance of this territory for the strategic development of Russia is noted. The complex socio-economic characteristics of the Arctic regions are given. The coastal and continental regions of the Arctic part of the Republic of Sakha (Yakutia), as well as the municipalities of the Chukotka Autonomous Okrug, are singled out separately. The groups of municipal districts are identified according to a set of socio-economic indicators. The features of the socio-economic development of settlements are noted.
MERCURY IN BIOINDICATORS OF THE COASTAL WATERS OF VLADIVOSTOK IN SUMMER 2020
Authors: Чернова Е.Н. , Гредюха Д.Д. , Юрченко С.Г.
Published: May 2021

Определены концентрации ртути в талломах массовых видов водорослей-биоиндикаторов родов Ulva lactuca, Ulvaria splendens, Sargassum miyabei, Sargassum pallidum, из прибрежных вод вокруг г. Владивостока Японского моря за летний период 2020 г. Содержание Hg варьируется от 5,8 до 41,4 нг/г сухой массы. Наибольшая концентрация наблюдается в ульве, отобранной из района бывшего полигона ТБО «Горностай», где ранее отмечались повышенные концентрации Cu, Pb, Fe, Zn. Отмечена тенденция уменьшения концентраций ртути в водорослях с июня по июль, как для ульвы, так и для саргассума. Водоросли вокруг Владивостока содержат очень низкие концентрации ртути и не превышают ПДК промысловых водорослей – 500 нг/г сухой массы. Полученные концентрации соответствуют величине Q1 – 25 процентилю общемировой выборки для зеленых и в основном Q1 для бурых, что говорит об отсутствии загрязнения ртутью литоральной зоны вокруг г. Владивосток в исследуемый период.

The concentrations of mercury in mass species of algae - bioindicators of the genera Ulva lactuca, Ulvaria splendens, Sargassum miyabei, Sargassum pallidum, from coastal waters around Vladivostok, the Sea of Japan in summer of 2020 were determined. The Hg concentrations varies from 5.8 to 41.4 ng / g dry weight. The highest concentration is observed in the Ulva, taken from the area of the former landfill "Gornostay", where previously there were increased concentrations of Cu, Pb, Fe, Zn in algae. A tendency of a decrease in mercury concentrations in algae from June to July was noted for both Ulva and Sargassum in connection of atmosphera precipitations decreasing. Algae around Vladivostok contained very low concentrations of mercury and did not exceed the MPC for commercial algae - 500 ng / g dry weight. The obtained concentrations correspond to the value of Q1 - the 25th percentile of the global sample for green algae and mainly Q1 for brown ones, which indicates the absence of mercury contamination of the littoral zone around Vladivostok during the study period.
PHOSPHATES IN SMALL RIVERS OF KHABAROVSK IN WINTER LOW-WATER
Authors: Шестеркин В.П. , Синькова И.С. , Шестеркина Н.М.
Published: May 2021

Представлены результаты изучения содержания фосфатов в воде малых рек Хабаровска в зимний период 2017–2021 гг. Показано значительное варьирование концентраций фосфатов, обусловленное большими различиями в составе подземных и сточных вод, вод изношенных систем водоснабжения и водоотведения. Максимальное содержание из-за сброса неочищенных жилищно-коммунальных сточных вод фосфатов (до 16,5 мг/л) отмечено в р. Безымянная в микрорайоне Красная речка.

The results of studying the content of phosphates in the water of small rivers of Khabarovsk during December-February 2017–2021 are presented. A significant variation in the concentration of phosphates is shown, due to large differences in the composition of groundwater and wastewater, water from worn out water supply and drainage systems. The maximum content (up to 5.4 mg P/l) was noted in the water of rivers that do not freeze due to the discharge of untreated municipal wastewaters.
COMPREHENSIVE GEO-ARCHAEOLOGICAL STUDY OF THE LOCAL GEOSYSTEM ON THE SEASHORE OF EASTERN SIKHOTE-ALIN
Authors: Крупянко А.А. , Дряхлов А.Г.
Published: May 2021

В статье рассматривается особенности заселения района реки Рудной и озера Васьковского древними людьми, их образ жизни, трудовой деятельности.

The article deals with the features of the settlement of the area of the Rudnaya River and Vaskovskoye Lake by ancient people, their way of life and work.
CALCULATION OF THE QUALITY OF LIFE INDEX OF THE URBAN POPULATION OF THE BAIKAL REGION
Authors: Ржавская И.А.
Published: May 2021

В представленной работе отражены социально-экономические и демографические аспекты качества жизни городского населения. Анализ рассматриваемого показателя проводился по пяти ключевым сферам качества жизни – демографическая ситуация, здравоохранение, социальное обеспечения, трудовая и образовательная сферы.
На основе анализа ряда статистических данных были выявлены наиболее динамичные показатели, отражающие существенные различия между исследуемыми городами Байкальского региона – Иркутском, Улан-Удэ и Читой. Для оценки качества жизни городского населения была разработана авторская методика расчета через одноименный индекс. В статье также представлено краткое описание методики и результаты ее апробации на массиве статистических данных по крупным городам Байкальского региона.

The presented work reflects the socio-economic and demographic aspects of the quality of life of the urban population. The analysis of this indicator was carried out in five key areas of quality of life – demographic situation, health, social security, labor and education.
Based on the analysis of a number of statistical data, the most dynamic indicators were identified, reflecting significant differences between the studied cities of the Baikal region – Irkutsk, Ulan-Ude and Chita. To assess the quality of life of the urban population, the author's method of calculation was developed using the index of the same name. The article also provides a brief description of the methodology and the results of its testing on an array of statistical data on large cities in the Baikal region.
DYNAMICS OF SOIL-VEGETATION COVER OF SMALL ISLANDS ZHELTUKHIN, MOISEEV, AND PAKHTUSOVIN HOLOCENE (THE EUGENIE ARCHIPELAGO, PETER THE GREAT BAY)
Authors: Лящевская М.С. , Киселёва А.Г. , Ганзей К.С. , Родникова И.М. , Пшеничникова Н.Ф.
Published: May 2021

Проведено геоботаническое, почвенное и биостратиграфическое изучение малых островов архипелага Императрицы Евгении. Выполнена оценка современного состояния их экосистем. Определены основные факторы, влияющие на состав, структуру, разнообразие и динамику почвенно-растительного покрова в голоцене. Установлено, что в теплые эпохи увеличивалась лесистость, доминировали широколиственные леса с богатым видовым разнообразием пород, в холодные фазы древесная растительность становилась более разреженной, в ее составе преобладали березы и ольха, доля широколиственных пород сильно сокращалась.

A geobotanical, soil and biostratigraphic study of the small islands of the Eugenie Archipelago was carried out. Assessment of the current state of their ecosystems has been made. The main factors determining the composition, structure, diversity and dynamics of the soil and vegetation cover in the Holocene have been determined. It is found that in warm epochs, forest cover increased, and broad-leaved forests with a rich diversity of species were dominant whereas in cold phases tree vegetation became more sparse, with birch and alder predominating in its composition, and the share of broad-leaved species was greatly reduced.