bluuebunny/crossref_metadata_2025_split huggingface dataset:
The Design For Wind Speed Measurement Using Labview
Authors: Rokhmanila  , Gunastuti  , Rosiana  , Kifni  
Published: February 2021

Abstract
In general, wind is every movement of air on the surface of the earth. Technically, wind is every horizontal or near horizontal movement of the air. The wind has the direction and the velocity that is defined by the air pressure difference on the surface of the earth. This device was designed to measure the velocity of the wind using the combination of Arduino Uno and the Labview Software. It worked where the movement of the wind turn the propeller that was connected to the disk. The disk had a hole that was sensed by photoelectric sensor connected to a port at Arduino Microcontroller in order to provide a pulse. This pulse was calculated by Labview program and converted into speed measurement (meter/second). The result of the measurement using this device were compared with the result of Android based application and a calibrated Anemometer to compare the accuracy of the designed device. The result showed that the accuracy of the designed device is 70-80%.
Comparison of Experimental Power Reactor Hot Gas Chamber Geometry for Hot Gas Mixing Optimisation
Authors: Dwijayanto R Andika Putra , Subekti Muhammad 
Published: February 2021

Abstract
Experimental Power Reactor (Reaktor Daya Eksperimental/RDE) is BATAN’s proposed demonstration nuclear power reactor based on high temperature gas-cooled reactor (HTGR) design. As such, RDE faces an issue concerning severe temperature deviation in its hot coolant gas channel. Hot gas chamber, thus, is a necessary component to reduce coolant gas temperature deviation into acceptable homogenisation level. A preliminary simulation of hot gas mixing in a different hot gas chamber designs using computational fluid dynamics (CFD) method is performed to study the optimum geometry for homogenising the coolant gas. Of the three designs simulated, the “slope” geometry is found to be performing best in homogenising the RDE hot coolant gas. Pressure drop of each design is also discussed.
Mechanical Strength Design Analysis of Molecular Sieve Vessel of Helium Purification Systems in RDE
Authors: Rosidi Ainur , Haryanto Dedy , Heru G.Bambang , Sriyono  , Nugroho Ari 
Published: February 2021

Abstract
Experimental Power Reactor (RDE) uses a type of pebble bed fuel and helium gas as the primary coolant. In order to maintain the quality of helium as a coolant in accordance with the established requirements, the helium purification system is designed. One part of the main components of this helium purification system facility that absorbs CO2, CH4, and H2O is a molecular sieve vessel. The purpose of this study is to determine the ability of mechanical strength of a molecular sieve vessel through simulation testing using Computer Aided Three-dimensional Interactive Application (CATIA) software. The steps taken in analyzing the mechanical strength of molecular sieve designs include; built a 3-dimensional model, entering data on the mechanical properties of the material used, and simulating the operation at a test pressure of 30 bar and a temperature ranging from 50 °C to 250 °C. At a pressure of 30 bar and a temperature of 200 °C, the mechanical voltage result was 2.13 × 109 N/m2 that exceeded the yield strenght of 304 Stainless Steel material at 1.7 × 109 N / m2. Furthermore, the smallest translational displacement was 0.218 mm.
The Effect of Addition Organic Inhibitor Bintaro Fruit Extract (Cerbera Manghas) to Inhibition Eficiency and Corrosion Rate on JIS G3131 Steel in 0,1 M H2so4 Environment
Authors: Triana Y , Utami P R , Laksono A D , Awali J , Tajalla G U N , Sulistijono  
Published: February 2021

Abstract
Currently, the oil and gas processing industry has increased quite well. The oil and gas processing industry uses shelters such as tanks for storing and processing fluids. The type of tank must be adapted to the fluid characteristics contained insite it to reduce the possibility of damage such as corrosion. In the process of oil refinement, there is always corrosion in the tank. This happen caused by contact between sulfuric acid (H2SO4) used to remove impurities with steel in the tank. So it needs a good corrosion handling to overcome the problem. In this study, organic inhibitors from Bintaro fruits (Cerbera manghas) will be used to reduce corrosion on surface JIS G3131 steel. The antioxidant compound content of extract was confirmed using 2,2-difenil-1-pikrilhidrazil (DPPH) and Fourier Transform Infra Red (FTIR) testing. Observation of corrosion rate on JIS G3131 steel and inhibition efficiency is studied through weight loss method and (Open Circuit Potential) OCP measurement. From this research we obtained IC50 value of DPPH testing equal to 126,7882 ppm which shows the antioxidant activity is medium. Through the FTIR test it is indicated that the Bintaro fruit contain the coumarin compound. The result of weight loss and OCP test on JIS G3131 steel is known that the addition of 200 ppm fruit extract with 720 hours of soaking is the best optimization result which can decrease corrosion rate up to 22,767 mm/year with the efficiency of 25,249% inhibitor.
Effect of Noise and Room Temperature on Employee Productivity in Mechanical Maintenance Workshop PT. Semen Bosowa Maros
Authors: Arminas  , Nurwahidah A , Ahdan M 
Published: February 2021

Abstract
The work environment is a place where employees do work activities. The work environment can bring positive and negative impacts on employees in order to achieve their work. The work environment in a company is very important to be considered by management. If the work environment can be managed properly, employees can work safely and comfortably so that the company’s objectives can be achieved and productivity can be improved. This study aimed to determine the effect of noise and room temperature on worker productivity at the Mechanical Maintenance Workshop PT. Semen Bosowa Maros. The method used in this study uses questionnaires and interviews directly to determine the effect of noise and room temperature on worker productivity at the Mechanical Maintenance Workshop PT. Semen Bosowa Maros. The questionnaire data was then processed using the SPSS program and multiple linear regression analysis. From the results of processing questionnaire data regarding noise and room temperature to productivity, it is known that noise and room temperature are important factors that affect productivity with a percentage of 57.7%. Noise and room temperature simultaneously (together) have a significant effect on productivity with sig values. 0,000 <0,05
Pasture monoculture in conditions of drained peat soils
Authors: Ulanov A N , Kovshova V N , Smirnova A V , Ulanov N A , Glubokovskikh A L , Mokrushina O G 
Published: February 2021

Abstract
In this article, on the example of a pasture area in 1935, zaluzheniya, theoretical provisions and practical developments on the creation and use of long-term cultural pastures (DCP) on a drained low-lying peat deposit are presented. The paper shows the environmental and soil protection role of a long-term pasture ecosystem in preserving and extending the life of a peat deposit used as soil. It is noted the peculiarity of the system of grass stand care, the uniqueness of its species diversity, the influence of various factors on the consumption of pasture phytomass by lactating cows. A special place is given to the assessment of the physiological state of grazing animals, their productivity and reproductive functions.
Optimal time for sowing mixed summer crops for green fodder
Authors: Buyankin N I , Krasnoperov A G 
Published: February 2021

Abstract
In most of the territory of the Russian Federation in grain-growing areas, the second half of the growing season (July-August) is more favorable in terms of precipitation and positive temperatures, and by October, summer mixed crops of legumes and cereals can form a fairly large number of green mass. The inclusion of mixed legumes and cereals with different linear growth rates makes it possible to create multi-tiered crops: the lower tier was occupied by lupine and paiza, the upper tier-beans, vetch and peas. This arrangement of plants allows crops to use the energy of sunlight more efficiently and prevent the evaporation of moisture from the soil, especially during the summer sowing period. Quality assessment of the yield of green mass of summer intercropping legume-cereal crop output chromoproteins units per 1 ha showed that late summer time summer mixed sowing has the advantages of not only protein, but also carbohydrates. The maximum collection of protein and forage protein units was obtained in the summer mixed sowing of narrow-leaved lupine, forage beans, spring vetch, forage peas and payza. Therefore, research on obtaining high-protein green feed for herbivorous farm animals in the late autumn period in the Kaliningrad region is promising and requires careful study.
Genetic conditionality of optimization of live weight at early insemination of heifers
Authors: Kosyachenko N M , Abramova M V , Ilina A V , Zyryanova S V , Konovalov AV 
Published: February 2021

Abstract
The article describes a model for estimating the genotype of cattle developed and tested on actual livestock. The model is a selection index that takes into account the live weight of young animals aged 6 and 9 months. The average and high correlation between the indicators of live weight of young animals aged 6 and 9 months, lim rP 0.49…0.63 end rG 0.38…0.58. The Accuracy of genotype estimation (RJH) using the developed model is 0.57…0.66. The expected genetic improvement in live weight when using the index was 1.29…2.40 kg at the age of 6 months and 0.94…2.20 kg at the age of 9 months. The model allows for an early assessment of the breeding value of young animals aged 6-9 months at the level of short-term breeding programs for dairy cattle herds. In conjunction with the index assessment of ancestral indicators, it can be used in the formation of elite groups of young animals.
Change in potato productivity under the impact of viral diseases
Authors: Kolychikhina M S , Beloshapkina O O , Phiri C 
Published: February 2021

Abstract
In 2014-2019 as part of comprehensive tests of the antiviral activity of a number of products in the field, a comparative assessment of the productivity of healthy potato plants and generations of plants of different varieties previously artificially inoculated with phytopathogenic viruses Y, S, M was carried out. During the testing period, in small-plot field experiments on a site at the Russian State Agrarian University - Moscow Timiryazev Agricultural Academy named after K.A. Timiryazev Plant Protection Station (Moscow), the yield of the Ilyinsky plants infected Potato virus M decreased on average by 48,8%, of the Red Scarlet plants infected with Potato virus Y - by 54,9%, of the Adretta plants infected with Potato virus S - by 52,3%. In 2016 under the production conditions of Lipetsk region the yield loss of the potato variety Ramos was 31,8%, and in the Astrakhan region the yield of the potato variety Impala decreased by 36%. The effect of viruses on the content of photosynthetic pigments in infected plants was studied. In comparison with healthy plants the percentage of total chlorophyll in the wet weight of the leaves of the Ilyinsky plants decreased by 23,2%, of the Red Scarlet plants - by 19,7%, of the Adretta plants - by 15,8%. Varietal differences were revealed in the changes in the activity of antioxidant enzymes in tubers, starch and dry matter content from various viral pathogens.
Water monitoring system design for data collection at specific intervals via cloud application
Authors: Abdul Muta’Ali A N , Sazali N , Ghani S A C , Walter J 
Published: February 2021

Abstract
With the growing issue of water pollution and resources, the need for a remote water monitoring system has never been more crucial. The implementation of remote monitoring systems has a growing interest in the current technology development. This project aims to design a water monitoring system via cloud application. Based on previous research and papers written on the topic, a few system designs have been theorized but not implemented. In this project, the data is transmitted through the combination of LoRa and Wi-Fi connection. The system is also powered by rechargeable battery and solar panels. The communication using long range achieved a distance test of 898 m. The full system has the capability to be deployed in a distance and have the data collected uploaded to a cloud. A web server accessed through the local IP address serves the user interface that provides current data of the water parameters.
Three tailorable optical vortices generated by a modified fractal spiral forked plate
Authors: Xia Tian , Cheng Shubo , Yu Weixing , Tao Shaohua 
Published: February 2021

Abstract
A modified fractal spiral forked plate (MFSFP) is proposed to generate three tailorable coplanar optical vortices at multiple focal planes, which consist of two off-axis vortices and one axial vortex. The axial vortex and one low-intensity off-axis vortex can have equal intensity by designing an appropriate spiral-like filter. In addition, the MFSFP has self-similar axial and off-axis optical vortices. Moreover, the tailorable topological charges of two off-axis vortices are related to those of the fractal spiral zone plate (FSZP) and forked grating and the topological charge of the axial vortex is equal to that of the FSZP. In the experiments, based on the interferometric measurement method, the differences between fingers of forked fingers are used to prove the above topological charge transformation rule. The method of constructing the MFSFP is illustrated. The MFSFP is applicable to rotate particles at multiple positions of the different planes simultaneously, increase optical communication capacities and produce multiple images simultaneously.
Mass testing after a single suspected or confirmed case of COVID-19 in London care homes, April–May 2020: implications for policy and practice
Authors: Tang Suzanne , Sanchez Perez Marina , Saavedra-Campos Maria , Paranthaman Karthik , Myers Richard , Fok Jonathan , Crawley-Boevey Emma , Dun-Campbell Kate , Janarthanan Roshni , Fernandez Elena , Vusirikala Amoolya , Patel Bharat , Ma Thomas , Amin-Chowdhury Zahin , Shetty Nandini , Zambon Maria , Bell Anita , Wynne-Evans Edward , Chow Yimmy , Ladhani Shamez 
Published: February 2021

Abstract

Introduction
Previous investigations have identified high rates of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection among residents and staff in care homes reporting an outbreak of coronavirus disease 2019 (COVID-19). We investigated care homes reporting a single suspected or confirmed case to assess whether early mass testing might reduce risk of transmission during the peak of the pandemic in London.

Methods
Between 18 and 27 April 2020, residents and staff in care homes reporting a single case of COVID-19 to Public Health England had a nasal swab to test for SARS-CoV-2 infection by reverse transcription polymerase chain reaction and subsequent whole-genome sequencing. Residents and staff in two care homes were re-tested 8 days later.

Results
Four care homes were investigated. SARS-CoV-2 positivity was 20% (65/333) overall, ranging between 3 and 59%. Among residents, positivity ranged between 3 and 76% compared with 3 and 40% in staff. Half of the SARS-CoV-2-positive residents (23/46, 50%) and 63% of staff (12/19) reported symptoms within 14 days before or after testing. Repeat testing 8 days later in two care homes with the highest infection rates identified only two new cases. Genomic analysis demonstrated a small number of introduction of the virus into care homes, and distinct clusters within three of the care homes.

Conclusions
We found extensive but variable rates of SARS-CoV-2 infection among residents and staff in care homes reporting a single case of COVID-19. Although routine whole-home testing has now been adopted into practice, care homes must remain vigilant and should be encouraged to report a single suspected case, which should trigger appropriate outbreak control measures.
Flattening the World of Pathology Education and Training and Shortening the Curve of Pathology Learning
Authors: Hassell Lewis A , Afzal Anoshia 
Published: February 2021

Abstract

Objectives
We review how the pandemic-related education disruption may interplay with pathology manpower worldwide and shifts in disease burden to identify workable solutions.

Methods
Literature related to pathology education, pathology services in low-resource settings, and application of digital tools to pathology education was reviewed for trends and training gaps. Publications covering pathology manpower and cancer incidence worldwide were also included to assess needs.

Results
Pandemic-related virtual teaching has produced abundant online training materials. Pathology learning resources in low- to middle-income countries remain considerably constrained and dampen pathology manpower growth to meet current needs. Projected increases in disease burden toward the developing world thus pose a major challenge. Digital pathology resources have expanded and are beginning to appear beyond the developed countries.

Conclusions
This circumstance offers a unique opportunity to leverage digital teaching resources to enhance and equitize training internationally, potentially sufficient to meet the rising wave of noncommunicable diseases. We propose four next steps to take advantage of the current opportunity: curate and organize digital training materials, invest in the digital pathology infrastructure for education and clinical care, expand student exposure to pathology through virtual electives, and develop further competency-based certification pathways.
Vulnerability to xylem cavitation of Hakea species (Proteaceae) from a range of biomes and life histories predicted by climatic niche
Authors: Oyanoghafo Osazee O , O’ Brien Corey , Choat Brendan , Tissue David , Rymer Paul D 
Published: February 2021

Abstract

Background and Aims
Extreme drought conditions across the globe are impacting biodiversity, with serious implications for the persistence of native species. However, quantitative data on physiological tolerance are not available for diverse flora to inform conservation management. We quantified physiological resistance to cavitation in the diverse Hakea genus (Proteaceae) to test predictions based on climatic origin, life history and functional traits.

Methods
We sampled terminal branches of replicate plants of 16 species in a common garden. Xylem cavitation was induced in branches under varying water potentials (tension) in a centrifuge, and the tension generating 50 % loss of conductivity (stem P50) was characterized as a metric for cavitation resistance. The same branches were used to estimate plant functional traits, including wood density, specific leaf area and Huber value (sap flow area to leaf area ratio).

Key Results
There was significant variation in stem P50 among species, which was negatively associated with the species climate origin (rainfall and aridity). Cavitation resistance did not differ among life histories; however, a drought avoidance strategy with terete leaf form and greater Huber value may be important for species to colonize and persist in the arid biome.

Conclusions
This study highlights climate (rainfall and aridity), rather than life history and functional traits, as the key predictor of variation in cavitation resistance (stem P50). Rainfall for species origin was the best predictor of cavitation resistance, explaining variation in stem P50, which appears to be a major determinant of species distribution. This study also indicates that stem P50 is an adaptive trait, genetically determined, and hence reliable and robust for predicting species vulnerability to climate change. Our findings will contribute to future prediction of species vulnerability to drought and adaptive management under climate change.
Venous Thromboembolism and Bleeding Events With Chemoprophylaxis in Abdominoplasty: A Systematic Review and Pooled Analysis of 1596 Patients
Authors: Perzia Brittany M , Marquez Jocellie , Mellia Joseph A , Jou Christopher , Othman Sammy , Basta Marten N , Fischer John P , Labropoulos Nicos , Khan Sami 
Published: February 2021

Abstract

Background
Many plastic surgeons avoid the administration of venous thromboembolism (VTE) chemoprophylaxis out of concern for surgical bleeding in abdominoplasty. Although previous studies have attempted to address the relationship between abdominoplasty and bleeding or VTE, poor reporting techniques remain a challenge. As a result, there has been a lack of reliable data to guide clinical practice.

Objectives
The authors sought to determine the prevalence of bleeding and VTE in abdominoplasty with and without chemoprophylaxis.

Methods
A systematic review was performed following PRISMA guidelines utilizing PubMed, CINAHL, and Cochrane Central. Patient demographics, comorbidities, risk category (if available), bleeding events, VTE events, and chemoprophylaxis information were recorded.

Results
Across 10 articles, 691 patients received chemoprophylaxis in the setting of abdominoplasty: 68 preoperatively, 588 postoperatively, and 35 received both; 905 patients did not receive chemoprophylaxis. A total of 96.8% of patients were female, 73% underwent concomitant liposuction, and none were clearly risk stratified. The overall incidence of VTE and bleeding was 0.56% (9/1596) and 1.6% (25/1596), respectively. Compared with no chemoprophylaxis, chemoprophylaxis was not associated with increased incidence of bleeding (1.3% [9/671] vs 0.91% [8/881], P = 0.417) or decreased incidence of VTE (0.87% [6/691] vs 0.33% [3/901], P = 0.187).

Conclusions
The prevalence of bleeding in abdominoplasty was low. Chemoprophylaxis was not associated with increased risk of bleeding or decreased risk of VTE, though the lack of risk stratification and heterogeneity of the cohort precludes firm conclusions. This study underscores the importance of utilizing validated risk-stratification tools to guide perioperative decision-making.

Level of Evidence: 4
Increased male mating success in the presence of prey and rivals in a sexually cannibalistic mantis
Authors: Burke Nathan W , Holwell Gregory I 
Published: February 2021

AbstractPrecopulatory sexual cannibalism—or cannibalism without mating—is expected to promote the evolution of male strategies that enhance mating success and reduce the risk of cannibalism, such as preferentially approaching feeding females. Sexual selection on male competitiveness has the potential to alter male mating decisions in the face of cannibalism risk, but such effects are poorly understood. We investigated the effect of prey availability and male–male competition on mating incidence in the highly cannibalistic Springbok mantis, Miomantis caffra. We found that matings were initiated more rapidly and more often in the presence of prey, suggesting that females distracted with foraging may be less of a threat. Competition between males also hastened the onset of copulation and led to higher mating success, with very large effects occurring in the presence of both prey and competitors, indicating that intrasexual competition may intensify attraction to foraging females. Taken together, our results suggest that precopulatory cannibalism has selected for male preference for foraging females and that males adjust their mating strategy to both the risk of competition and the threat of cannibalism.