bluuebunny/crossref_metadata_2025_split huggingface dataset:
A study of performance comparison of databases for HALF data archiving system
Authors: Chen Huhang , Liu G.F. , Zhang DaDi , Qin Tian , Sun X.K. 
Published: December 2023

Abstract
The Hefei Advanced Light Facility (HALF) is a 2.2 GeV
fourth-generation synchrotron radiation light source. The HALF
control system is a distributed control system based on Experimental
Physics and Industrial Control System (EPICS). As the essential part
of the HALF control system, the Historical Data Archiving System
(HDAS) is responsible to store operational data for the entire
facility including the accelerator and beamlines, and provides the
functions for data query and analysis. According to the estimation
based on the HALF scale, approximately 25,000 EPICS PVs will be
stored in HDAS, and these accumulated massive data require a
dedicated database for persistent storage and management. Under the
EPICS PV data scenario of HALF, a fair database test platform is
designed and built to test the read-write performance of databases
commonly used in the particle accelerator field. The tested objects
include EPICS Archiver Appliance and the five databases MongoDB,
HBase, InfluxDB, TimescaleDB, and Cassandra. Additionally, research
on the five databases software ecosystem is conducted for the
development and extension of HDAS. The test results indicate that
TimescaleDB has the fastest read performance, and 1.4×10^6
items of data can be read per second. TimescaleDB also has superior
write performance. 1.2 × 105 items of data can be written per
second, which can fully meet the writing requirements of
HDAS. Regarding the software ecosystem, TimescaleDB is compatible
with a larger number of data visualization software and big data
processing frameworks. Therefore, TimescaleDB is more suitable as
the HDAS database. In the future, a TimescaleDB distributed cluster
will be designed and deployed, and an HDAS prototype system will be
developed based on this cluster.
Land resource management on environment and sustained basis for agricultural land use planning using landform and land evaluation approach (a case study in North Barito District, Central Kalimantan Province)
Authors: Amelia V , Sinaga S , Bhermana A 
Published: December 2023

Abstract
One of strategic policies that has been established in order to achieve and maintain food security in Central Kalimantan is opening the potential lands for agriculture. North Barito district as one several districts in this province, with total areas of 998,908 hectares, has the availability of arable lands for agricultural development. This study was then carried out to provide data and information for appropriate land and environment management through proper agricultural land use planning. Landform approach through digital elevation model (DEM) analysis and land evaluation procedure were used to define land allocation on sustained basis. The technology of geographic information system (GIS) and remote sensing were also employed to produce geospatial data to support land evaluation purpose. The result provide geospatial management of land and environment concept that can be implemented as basic consideration for agricultural planning especially in land use. In the case of North Barito, the region can be allocated for agricultural system of estate crops, food crops and forest ecosystem with each total area of 558,319 hectares (55.89%); 221,920 hectares (22.22%); and 218,669 hectares (21.89%), respectively. Specific program and policy can then be designed to develop the region for the development of agricultural purposes.
The harvested of eucalyptus leaves as sources of essential oil production from timber forest plantation
Authors: Suhardiman A , Fitriyana F 
Published: December 2023

Abstract
Eucalyptus tree especially on the leaves part, contains essential oil that commercially valuable. However, it is widely known that Eucalyptus tree plantation is designed solely to produce timber, so that their leaves were simply became waste during timber harvesting. This study aimed to estimate the potential production of essential oil from Eucalyptus leaves in PT Surya Hutani Jaya forest concession in Kutai Kartanegara Districs, East Kalimantan. Thirty eucalyptus trees were selected directly on the harvesting block and treated as sample for estimating the weight of the leaves. Leaves were collected and separated from its twig and branch manually by hand. Following the eucalyptus canopy structure, 1/3 of the most upper part of the leaves that representing young leaves were separated from other leaves part and each were weighted using digital scales. This research finds that average weight of single Eucalyptus leaves at the harvested age is 5.56 kg (standard deviation = 2.63 kg). Bias was calculated as much as 18%. Using confidence interval 95%, the weight of the leaf’s ranges from 4.58 – 6.55 kg.
Crown Density Relationship to Microclimate and Comfort Index in Telaga Sari City Forest, Balikpapan, East Kalimantan, Indonesia
Authors: Kartika N , Marjenah  
Published: December 2023

Abstract
The development of urban areas that are increasingly developing causes the area of green open space to decrease, and urban buildings that are increasingly denser result in an increase in local temperatures in the city. The presence of vegetation will provide cooler air. Furthermore, the urban microclimate is an interesting thing to correlate with the presence of vegetation somewhere. The Telaga Sari City Forest is one of Balikpapan’s green open space places. This research analyz the relationship between crown density microclimate and comfort index. The method for the percentage of crown density used Habitapp App. To measure the microclimate used Thermohygrometer, and Lux Meter. From the research results, it is known that, at the Telaga Sari City Forest there is a strong relationship between crown density and microclimate, namely light intensity, temperature, humidity, and the comfort index/THI, successively the multiple R values of 0.87, 0.83, 0.78 and 0.81. The linear equations namely y = -23.677x + 1986, y = -0.0317x + 31.096, y = 0.119x + 65.891 and y = -0.0232x + 29.007. In order to create a favorable microclimate in the city and provide green open space, it required to plant trees with high canopy density values.
Design of soil and water conservation techniques to minimize soil erosion on degraded land in Samarinda Tenggarong Axis Road
Authors: Sarminah S , Timo P N , Aipassa M I 
Published: December 2023

Abstract
Soil conservation activities are aimed at tackling land degradation, especially soil erosion, which occurs rapidly. If there is human intervention, land will become more sensitive to the influence of water (rainfall) and gravitational forces. This study aimed to identify the types of erosion that occur on degraded land and design appropriate soil and water conservation techniques based on vegetative and physically degraded land conditions on the Samarinda-Tenggarong Axis road. The results of the documentation collected from each research site identified the type of erosion, and designed soil and water conservation techniques. This research is focused on the design referring to Permenhut P.04/Menhut-11/2011 and UU RI/37/2014. The results of this study showed that location 1 of the recommended technique is the vegetative technique and the manufacture of Water Sewerage, location 2 is the bench terrace technique, location 3 is the retaining wall technique, location 4 is the individual terrace technique, location 5 is the stone terrace/wall technique, location 6 is the stone terrace/wall technique, and location 7 is the garden terrace technique. The design of the soil and water conservation techniques recommended in this study is expected to have a positive effect on minimizing soil erosion on degraded land.
Observation of waterbirds in mangrove forest: The need for habitat rehabilitation to maintain and utilize the bird species community in the Mahakam Delta
Authors: Boer C , Rustam  , Syoim M , Prasetya A 
Published: December 2023

Abstract
Waterbirds are relatively permanent inhabitants of mangrove forests and can come from either the mainland or very distant regions as migrant species. These birds serve as an important indicator for preserving biodiversity in general by maintaining mangrove forests through rehabilitation and restoration activities. Additionally, some species have good economic potential to improve community welfare, as well as current pond products such as fish and shrimp. This study aimed to observe bird species diversity in the mangrove area to understand its function and recognize the migratory species that can be the basis for strengthening preservation or conservation. The research sites were in the Mahakam Delta, which is located in Muara Jawa and Sepatin, Kutai Kartanegara, Indonesia. More than 60 birds were successfully identified. Only one species was classified as CR (critically endangered), namely Thalasseus Bernstein. Meanwhile, bird species that were classified as VU (vulnerable) included Leptotilus javanicus, Fregata minor, and Egretta eulopheutes. Four species, including Anhinga melanogaster, Ichtyopaga ichtyaetus, Macronus ptilosus, and Numenius arquata, were identified as NT (near threatened) species. Most of the species found were characterized as having LC (least concern) status.
Dyeing of doyo fiber (Curculigo latifolia) using teak leaf extract (Tectona grandis) as a natural coloring material
Authors: Khairu M K , Kuspradini H , Rosamah E 
Published: December 2023

AbstractThe Dayak Benuaq tribe uses natural dyes to give color to the Ulap Doyo woven fabric made from an endemic plant, namely Doyo (Curculigo latifolia). The purpose of this study was to carry out the extraction process and identify the phytochemical compounds in teak leaves, to carry out the fixation process on doyo fiber that had been treated with mordant, to measure the color fastness on doyo fiber. The extraction process uses the decoction method with 1 L distilled water as a solvent. Phytochemical testing using a UV-Vis Spectrophotometer. Brightness and color discoloration were measured using the Colorimeter WR10 FRU. The test results show teak leaves have the potential as a red natural dye on doyo fiber. The phenol content contained in the teak leaf extract solution was 29.46 GAE/mg extract. Then the flavonoid content contained was 3.74 µg CE/mg extract. Furthermore, the anthocyanin content contained was 0.181 mg/g extract. lime (CaCO3) mordant is to maintain the original color, the alum (Al2(SO4)3) mordant is to increase the brightness of the colors, and the tunjung (FeSO4) mordant is to give a dark color to the doyo fibers. Color fastness with dye heat testing (40°C) showed color direction values is good/4.
Analysis of Red Meranti Wood Color Change Due to Weather Exposure in Samarinda
Authors: Erwin  , Fernandes Andrian , Karyadi Kholik , Wardhani Isna Yuniar , Widiati Kusno Yuli , Husien Nani 
Published: December 2023

Abstract
Red Meranti is a high-quality commercial wood that can be used outdoors. Outdoor timber will be exposed to the weather so that, in the long period, it will cause discoloration. This study aims to determine the colour change of meranti wood due to weather exposure for five months. Observation of macroscopic and colorimeter changes in the colour of red meranti wood refers to the ASTM D2244 standard. The results showed that red meranti wood at the beginning of the study was brownish red with L* 64.67, a* 16.13, and b* 17.00. After 150 days, it turned greyish black with L* 50.74, a* 1.25, b* 3.41, and ΔE 24.50. Colour changes in L*, a*, and b* parameters for 150 days followed the estimated growth curve pattern.
Improved Quality of Wood Plastic Composite (WPC) Through the Addition of Maleic Anhydride (MAH)
Authors: Rindayatno  , Davidson J , Dayadi I 
Published: December 2023

Abstract
Due to the hydrophilic nature of wood particles compared to the hydrophobic nature of plastic, Wood Plastic Composite (WPC) has the weakness that it requires the use of a coupling agent to strengthen the bond between its constituent components. The aim of the study was to determine the effect of adding Maleic Anhydride (MAH) on the quality of WPC (P1 0%, P2 4% and P3 8%). The flat pressing process takes 20 minutes at a temperature of 180°C and a press machine pressure of 30 bar, using a plastic to wood particle ratio of 60:40. Data were processed using a completely randomized design (CRD). P3 treatment (8% MAH) gave the best test results (densityof 0.704 g/cm3, moisturecontentof 2.321%, waterabsorptionof 15.719%, thicknessswellingof 1.733%, modulusofelasticityof 869.029 N/mm2, modulusofruptureof 6.517 N/mm2, and internal bondingstrengthof 0.926 N/mm2). Almost all tests on the physical properties of WPC meet the SNI 8154-2015 standard, but none of the tests on the mechanical properties of WPC meet the standards. This WPC performs well for non-structural use although it is not yet suitable for structural use.
The effect of liquid smoke treatment from plant leaves materials for latex
Authors: Hertianti E , Suwinarti W , Supraptono B 
Published: December 2023

Abstract
When materials high in carbon and other chemicals are burned, either directly or indirectly, the process of pyrolysis or steam distillation yields liquid smoke. Leaves, bark, stems and waste from wood processing industry can be used for liquid smoke as raw material. Several benefits of liquid smoke can be observed, such as its applications as food preservatives, plant fertilizers, increasing plant productivity and acting as rubber thickener. The aim of this study was to evaluate the effectiveness of plant-derived liquid smoke as a thickener for latex. The process of latex thickening involves the combination of 50 ml of latex and 5 ml varying concentrations (30, 40 and 50%) of grade 1, 2 and 3 liquid smoke. Subsequently, careful observations were made regarding the time required for thickening, the resulting texture and color, as well as the odor of the latex. The results showed that thickening of latex using grade 3 liquid smoke from Mango leaves had a shorter curdling time and better thickening conditions compared to other grades and control. Latex thickening using grade 1, 2 and 3 liquid smoke produced latex with a soft texture, white color and odorless.
Potential of natural fiber based on plant characteristics
Authors: Suwinarti W , Yuliansyah  , Wulandari N T , Haqiqi M T 
Published: December 2023

Abstract
Natural fiber is one of the prospective non-timber forest products that contribute to the augmentation of a nation’s foreign exchange within the forestry industry. The objective of this research is to ascertain the distinguishing features of several species of plants that produce natural fiber, and to evaluate the prospective applications of these fibers. The study approach commences by conducting tests on the physical qualities, followed by analysing the chemical components with the established TAPPI method. Additionally, tests are conducted to assess dimensional analyses and fiber variants. The result indicated that the examination of the physical characteristics of the specimens, namely their specific gravity and water content, yielded a strong classification falling within the range of II-IV. The study of chemical constituents, including extractives, lignin, and cellulose, across all samples yielded a range of 1.27% to 7.64%, 15.88% to 36.55%, and 24.63% to 68.32%, respectively. Similarly, the findings from the analysis of fiber dimension measurements indicate that the fiber length category ranges from fairly short to very long.
Antimicrobial activity of plant from educational forest in Universitas Borneo Tarakan
Authors: Putri A S , Egra S , Amarullah  , Mardhiana  , Santoso D , Adiwena M , Murtilaksono A , Rahim A , Sirait S , Wahyuni E , Sutrisno A , Sulistyo A , Sutejo K T G P , Yamauchi K , Mitsunaga T 
Published: December 2023

Abstract
Universitas Borneo Tarakan Educational Forest has a mega biodiversity. There is the potential of plants as raw materials for new medicines or as substitutes for food reserves domesticated. This study aims to identify and explore plant species by screening for antibacterial activity of 25 selected plant species found in the Educational Forest of the Universitas Borneo Tarakan. In this investigation, the agar well method was implemented with a concentration of 5 mg/ml, to determine the antimicrobial activity against five distinct microorganisms. These microorganisms included Streptococcus sobrinus, S. mutans, Candida albicans, Propionibacterium acne, Staphylococcus aureus, and Salmonella typhi. This study resulted in the finding that there were five plants capable of inhibiting the growth of S. sobrinus bacteria, namely, Cytandra sp., Cratoxylum sumatranum, Garcinia sp., Fissistigma sp., and Cyclosorus interruptus, with respective inhibitions of 62%, 54.2%, 49%, 46%, and 45%. Inhibition also occurred in P. acne, namely in Cratoxylum sumatranum, with an inhibition of 46.5%. Cytandra sp. has the strongest inhibition because it can inhibit three bacteria, namely S. aureus, S. sobrinus, and S. thypi, at 71%, 62%, and 50%, respectively. This research needs to be carried out further to identify compounds that play a role in the inhibition mechanism to obtain plant species that play a direct role in disease and can be domesticated.
Biological activities and phytochemicals of five orangutan food plants from Wehea-Kelay Landscape
Authors: Andini A S A , Arung E T , Hendra M , Suryadana M D , Sudiono E , Rifqi M A , Kusuma I W 
Published: December 2023

Abstract
Several studies on the therapeutic potential of primate plant food species have been reported. However, research into the medicinal properties of orangutan plant foods is still in its early stages. The purpose of this research is to examine the phytochemical composition and biological activities of five orangutan food plants taken from the Wehea-Kelay Landscape: Aglaia elliptica, Croton argyratus, Artocarpus lanceifolius, Artocarpus odoratissimus, and Baccaurea macrocarpa. Phytochemicals analysis were conducted by color changes and colorimetry methods. To determine the antioxidant activity, DPPH free radical scavenging was used. The agar-well diffusion technique was used to assay the antimicrobial activity against four pathogenic microorganisms. The results showed that the plants contained alkaloids, flavonoids, tannins, and carbohydrates. The total flavonoid content of the plants varied from 64.91 to 95.87 mg CE/g extract, whereas the total phenolic content ranged from 76.93 to 115.58 mg GAE/g extract. The antimicrobial assay revealed that at specific concentrations, the plants samples were able to inhibit the tested microorganisms. The five plants inhibited DPPH free radicals with IC50 values ranging from 47.22 to 77.6 ppm. The findings of this study demonstrated that the five plants possess antioxidant activity as scientific evidence of therapeutic properties of orangutan food plants.
The Effect of Concentration of Nano Empty Palm Oil Fruit Bunch Ash Nano-fertilizer on Growth and Production of Wounded Cassava Inoculated with Mycorrhiza
Authors: Astuti A. , Mulyono  , Pramesti NNSP. 
Published: December 2023

Abstract
Innovation on cassava cultivation technology by through inoculation with mycorrhiza and wounded cassava have been proven to increase root number and cassava tubers, even though that tuber filling was not maximally reached which may be due to the less availability of potassium for the plant. It is of interesting, therefore, to explore the use potassium fertilizer through leaves spray. This study was aimed at determining the best concentration of nano empty palm oil fruit bunch ash nano-fertilizer (EPOFB nano-fertilizer) through spraying technique. The study was performed by using Completely Randomised Design, with a single experimental factor of EPOFB nano-fertilizer concentrations, consisting of control, treatment with 0.20% of EPOFB nano-fertilizer at 30 g/plant, treatment with 0.40% of EPOFB nano-fertilizer at 60 g/plant, and treatment with 0.60% of EPOFB nano-fertilizer at 90 g/plant. Growth variables paramaters analyzed were mycorrhizal development, root development, plant growth, and cassava production. The results of this study demonstrated that foliar spraying using nano EPOFB ash nano-fertilizer increased the number of mycorrhizal spores’ number, root proliferation, length of tubers, and cassava production. The best concentration of EPOFB nano-fertilizer was found at 0.40% (at 60g/plant), which increased cassava production by 27.11% compared to control treatment.
Rare earth (Tm, Y, Gd, and Eu) doped ZnS monolayer: a comparative first-principles study
Authors: Es-Smairi Adil , Fazouan Nejma , Maskar E , Bziz Ibrahim , Sabil Mohammed , Banik Ayan , Rai D P 
Published: December 2023

Abstract
In this current study, we used the density functional theory method to examine the physical properties of ZnS nanosheets doped with Tm, Y, Gd, and Eu at a concentration of 6.25%. The non-magnetic phase is energetically stable when doped with Y and Tm. However, the ferromagnetic state is thermodynamically stable when doped with Eu and Gd, show negative formation energy. The optimised structure is a planar structure for all doped systems, with an increase in the lattice parameter and bond length. On doping, the Fermi level is pushed into the conduction band, narrowing the band gap and exhibiting typical n-type semiconducting behaviour. In a wider optical window, Tm and Y-doped systems have lower reflectance and more excellent transmittance than Gd and Eu-doped systems in the visible light spectrum. The electrical conductivity has been calculated using the BoltzTrap package. The electrical conductivity has been enhanced by doping, making it suitable for optoelectronic, solar cells, spintronics, and thermoelectrics applications.
Disruption of circadian rhythms promotes alcohol use: a systematic review
Authors: Nelson Morgan J , Soliman Paul S , Rhew Ryan , Cassidy Rachel N , Haass-Koffler Carolina L 
Published: December 2023

Abstract
This systematic review investigates the bidirectional relationship between alcohol consumption and disrupted circadian rhythms. The goal of this study was to identify (i) the types of circadian rhythm disruptors (i.e. social jet lag, extreme chronotypes, and night shift work) associated with altered alcohol use and (ii) whether sex differences in the consequences of circadian disruption exist. We conducted a search of PubMed, Embase, and PsycINFO exclusively on human research. We identified 177 articles that met the inclusion criteria. Our analyses revealed that social jet lag and the extreme chronotype referred to as eveningness were consistently associated with increased alcohol consumption. Relationships between night shift work and alcohol consumption were variable; half of articles reported no effect of night shift work on alcohol consumption. Both sexes were included as participants in the majority of the chronotype and social jet lag papers, with no sex difference apparent in alcohol consumption. The night shift research, however, contained fewer studies that included both sexes. Not all forms of circadian disruption are associated with comparable patterns of alcohol use. The most at-risk individuals for increased alcohol consumption are those with social jet lag or those of an eveningness chronotype. Direct testing of the associations in this review should be conducted to evaluate the relationships among circadian disruption, alcohol intake, and sex differences to provide insight into temporal risk factors associated with development of alcohol use disorder.
A structural tonk
Authors: Fiore Camillo 
Published: December 2023

Abstract
When logicians work with multiple-conclusion systems, they use a metalinguistic comma ‘,’ to aggregate premisses and/or conclusions. In this note, I present an analogy between this comma and Prior’s infamous connective tonk. The analogy reveals that these expressions have much in common. I argue that, indeed, the comma can be seen as a structural incarnation of tonk. The upshot is that, whatever story one has to tell about tonk, there are good reasons to tell a similar story about the comma in typical multiple-conclusion systems, and vice versa.