bluuebunny/crossref_metadata_2025_split huggingface dataset:
Effect of a combined machine parts depths, soil depths and manure application on soil saturated hydraulic conductivity
Authors: Aday Shaker A , Hameed Kawther A , Al-faris Murtadha A 
Published: October 2019

AbstractField experiments were conducted to study the effect of a combined machine parts depths, soil depths and application of manure (cow residual) on the soil saturated hydraulic conductivity (Ks). The soil was plowed and disturbed at two levels. The top layer were plowed by the two bodies of moldboard plow which they were one of the combined machine parts, the deep soil layers were disturbed by two subsoilers which were the second part of the combined machine. The manure was mixed with plowed and the disturbed soils by the three shallow tines of the combined machine (third part). Manure was broadcasted by the manure feeding mechanism which the machine was provided with. Randomize Complete Block design (RCBD) was used with three replicates to carry out the experiments. The experiments parameters were two moldboard plow depths (20cm (M20) and 30cm (M30)), three subsoiler depths (20 (S20), 30 (S30) and 40cm (S40)). These three subsoiler depths were used with moldboard plow depth of 20cm only, whereas, the other three subsoiler depths (10 (S10), 20 (S20) and 30 (S30)) were used with moldboard depth of 30cm. The combination of the moldboard plow depths and the subsoiler depths gave three machine depths (40, 50 and 50cm) i.e M20S20, M20S30, M20S40, M30S10, M30S20and M30S30. These treatments were conducted without and with manure application of 45.5 ton ha−1. The experiments were conducted in silty laom soil. The soil saturated hydraulic conductivity (KS) was measured after soil plowing and crop harvesting (two periods) for soil depths of d1(0-10), d2(10-20), d3(20-30), d4(30-40), d5(40-50) and d6(50-60). The results showed that KSincreased with machine depth, It increased by 20.39% and 41.18% and by 12.90% and 21.03% after soil plowing and crop harvesting (the beginning and the end the season) respectively, when the operating depth of machine was increased from (M20S20)to (M20S30) and (M20S40), M depth remained constant at 20cm whereas, the subsoiler depth increased from 20 to 30 and 40cm. However, increasing the machine depths from (M30S10) to (M30S20) and (M30S30), Ksincreased by 19.44 and 36.11% and by 15.15 and 33.33% at the beginning and end of the season respectively, (the operating depth of M increased to 30cm and remained constant whereas S depth increased from 10 to 20 and 30cm). compared with operating depth of 10cm. Ksof the soil treated with manure decreased by 4.65% after plowing operation. However, Ksincreased by 35.48% after crop harvesting compared with untreated soil. Ksdecreased after soil plowing and at the end of crop growth season with plowing depth. However, Ks decreased as the soil depth increased.
Influence of dietary epigallocatechin-3 gallate and L-arginine and its combination on early laying performance and physiological status of stressed Japanese quails
Authors: Imad Abdulsahib Al-Shammari Karrar , Jasim Zamil Sarah , Mishaal Mohammed Elaf 
Published: October 2019

Abstract
This study was designed to investigate the effect of dietary EGCG and L-arg supplementation to alleviate the oxidative stress induced artificially by H2O2 in drinking water by using 400 layer quails. The research lasted for 8 weeks and birds were distributed into 5 groups, each group had 4 replications. The groups were divided into G1: negative control, G2: addition 0.2% H2O2 to drinking water, G3 and G4: addition 500 mg/kg of EGCG and L-arg each. G5: addition 250 mg/kg mixture of EGCG and L-arg each. H2O2 was added to drinking water in G3, G4 and G5. The results revealed that feed intake, egg weight, egg mass and egg production were increased in G3, G4, G5 and G1 and the same groups led to decrease FCR and mortality compared to G2. The duodenal morphology was decreased in G2 as well. In plasma, high levels of (AST, ALT, uric acid, creatinine, glucose and total cholesterol) and low levels of (LOOH, SOD, catalase, GPx, FRAP and total protein) were in favor of G2. In conclusion, supplementation of EGCG and L-arg or their mixture in diet attenuated the detrimental effect of oxidative stress through improve productive and physiological aspects of layer quails.
Use remote sensing techniques to estimation of vegetation factor (C) for selected areas in Diyala Governorate
Authors: Bahjat Khalaf Ahmed 
Published: October 2019

Abstract
This study was conducted on the floor coverings of Diyala Governorate, central Iraq, between latitudes 44 ° 27 ‘31.99 “-45º 25‘11.78”, and 33º 30‘ 8.66 “-34º36‘48.18”, with an area of 10,336,399 km 2. Using the two satellite images of the Landsat 8 satellite OLI_TIRS (rod 36, 37 and path168) captured on 29/4/2018. For the purpose of the NDVI calculation and then a mathematical equation was applied to calculate the values of factor C, the study determined the classification of NDVI values and C factor values to 4 categories The low values of the C factor were concentrated in the presence of forests and orchards with dense vegetation cover (0 - 0.04731), whereas the average values were concentrated in areas with medium density vegetation cover and agricultural areas cultivated with different crops ranged from (0,04732-0.09462) The high values of the vegetation factor were concentrated In the areas of water, mountain ranges and building areas where there is no vegetation cover and ranged between (0.09463-0.18925).
The reality of extension services provided for wheat crop farmers in Zammar region\Nineveh Governorate\Iraq
Authors: Saeed Hameed Talal 
Published: October 2019

Abstract
The study aimed to identify the opinion of farmers wheat crop in the reality of extensional service offered by the Agricultural Extension System at the study area, and determine the correlation between some of the independent variables studied and the degree of extensional service offered by the Agricultural Extension System to wheat farmers and to find out farmers’ suggestions to improve the reality. The study was conducted in Zammar region\Nineveh Governorate; systematic random sample was selected from farmers (152 respondents). Data were collected by questionnaire through personal interviews, Pearson simple Correlation was used, percentages coefficient to data analysis.
Population dynamic of Tetranychus urticae on cucumber in Erbil region with study of the effects three different miticides on T. urticae
Authors: Osman Hassan Omar , Ahmad Hamad-Ameen Khalis 
Published: October 2019

Abstract
The current study was carried out to survey the occurrence, identify and control two-spotted spider mite (TSSM) Tetranychus urticae on cucumber plants within greenhouse in Erbil province. Samples of mite were collected in four locations of cucumber fields. A total of 324 leaves from 108 plants were collected and the mites were removed from the host leaves. Bermectine, Speed and Kanemite were applied as chemical control agents with three different time intervals in field and two different time intervals in laboratory using spray and soaking methods. Results proved that T. urticae Koch infested cucumber fields in Erbil province. From inspection of cucumber in greenhouses of four different locations, T. urticae were found in all inspected locations and the greatest population was observed in Barhushtr area. The highest percent mortality of mites was obtained when Speed was used. Percent mortality was 100% both methods. Meanwhile, the mortality percentages applying Bermectine and Kanemite in socking method were 38.14% and 41.24% respectively whereas, they showed low mortality of mites which were 80.46% and 77.01% after 48 hours in soaking method respectively. This finding concluded that Tetranychus urticae is widespread in Erbil cucumber fields and Speed was the best miticide against it.
Employing of Some Criteria in Soil Pollution Magnitude Estimation by Residues of Electricity Musayyib Thermal Station
Authors: AL-Wotaify Abbas S S , AL-Msafree Marwa A S , Almamoury Zaid A S 
Published: October 2019

Abstract
The research dealt with the effect of the residues of Al-Musayyib electricity thermal station in soil pollution with Vanadium, Chromium and Arsenic in Babylon governorate located between Longitude °32 99′ 861″N and Latitude °44 29′ 00″E. The content of study soils from heavy metals was estimated by XRF, it was high, especially V and Cr 210-265, 326.3-1126.0mg kg-1 respectively. Consequently, the CF reached the highest values in sample Ss12via V and Cr: 3.73, 10.73; 3.63, 10.54 respectively compared with Sco1 and Sco2, and so, PLI reached 4.56, 4.45 for heavy metals group in the same sample. While As recorded the highest values in sample Ss11. Igeo recorded the highest values in sample Ss12 for V: 0.75, 0.73; Cr: 2.15, 2.11 and As: 0.54, 0.53 in Ss11 compared with Sco1 and Sco2.
Suppression of low-frequency acoustic resonances in integrated optic lithium niobate modulators
Authors: Varlamov A V , Plotnikov M Yu , Aleinik A S , Vlasov A A , Agruzov P M , Ilichev I V , Shamrai L V , Shamrai A V 
Published: October 2019

Abstract
The influence of low-frequency acoustic vibrations on optical signals in integrated optic lithium niobate modulators is considered. It is shown that low-frequency acoustic vibrations can significantly contribute to the modulator transfer function. Characteristics of the acoustic vibrations have been observed. It is shown that these vibrations correspond to excitation of standing Lamb waves. Methods for acoustic resonance suppression have been suggested and verified.
Thermoelectric properties of bismuth telluride synthesized by electrochemical deposition method
Authors: Golubev R M , Buslaev R D , Bakulin E M , Dzyubanenko S V 
Published: October 2019

Abstract
The paper presents the study of thermoelectric properties of bismuth tellurides obtained by the method of electrochemical deposition. Measurements of electrical conductivity and the Seebeck coefficient were carried out on a NETZCH SBA 458 Nemesis® measuring installation. Based on the obtained measurements, the following conclusions were made: for samples synthesized by the method of continuous electrochemical deposition, the maximum value of the Seebeck coefficient reached α = 14 μV / K, while for samples obtained by the pulse method α = 47 μV / K. It was also noted that after annealing, the samples showed an increase in the Seebeck coefficient up to 1.5 times. As a result of analyzing the measured thermoelectric characteristics, it was concluded that the method of pulsed electrochemical deposition is more efficient for obtaining high-quality thermoelectric materials.
Comparison of the atomic clock orientational error in on-board equipment of Galileo, GPS and BeiDou satellite systems
Authors: Lozov R K 
Published: October 2019

Abstract
An assessment of the influence of the orientational frequency shift of an optically pumped quantum standard with a gas cell in the total error of the navigation systems Galileo, GPS and BeiDou satellites ephemeris is presented. A comparison of the calculated and experimental data of the time dependencies of the orientation errors for different working magnetic field values and directions is shown. For a numerical estimate of the orientational error influence on the ephemeris of different satellites, the values of the correlation coefficients between the calculated and the experimental dependencies on time are presented.
On the need to calculate the stability of the quantum frequency standard on the rubidium gas cell for navigation systems
Authors: Grevtseva A S , Davydov R V , Dudkin V I , Rud’ V Yu 
Published: October 2019

Abstract
The article presents the methods for calculating the stability of the rubidium frequency standards. To implement these methods, new software has been developed. Experimental measurements of telemetric parameters of the quantum frequency standard are processed using the developed software. The stability of the prototype of the rubidium standard has been determined using the proposed new algorithms.
Characteristic of Biomass of Corn (Zea Mays Identata) Fermented by Lactobacillus Acidophilus and Bifidobacterium Brevis as Source of Natural Folic Acid
Authors: Susilowati A , Maryati Y , Aspiyanto  , Lotulung P D N 
Published: October 2019

Abstract
Nixtamalized yellow and white corn from type of horse dent (Zea mays var. identata) fermented by Lactic Acid Bacteria (LAB) has potential use as source of natural folic acid. Fermentation uses four (4) types of corn inoculum expressed as inoculums A, B, C and D, i.e: Inoculum A (nixtamalized white corn, sucrosse 10% w/w, skim milk 10% w/w using inoculum L. acidophilus 30% fermented 8 hours), inoculum B (nixtamalized white corn without sucrosse and skim milk using inoculum Bif. brevis 30% fermented 24 hours), Inoculum C (nixtamalized yellow corn, sucrosse 10% w/w, skim milk 10% w/w with inoculum L. acidophilus 30% fermented 16 hours), and inoculum D(nixtamalized yellow corn, sucrosse 10% w/w, skim milk 10% w/w with inoculum Bif. brevis 30% fermented 8 hours). Fermentation was done at inoculum concentrations 0, 10, 20, 30, and 40 % (v/w dissolved protein) and 37 °C for 24 hours. Result of experiment work showed that optimizations fermentation were reached by biomass B and biomass D at inoculum concentration 40 % with composition of folic acid 103.07 and 91.92 µg/mL, followed by particle sizes 987.4 and 762.8 nm, folic acid monomer with (MW) 443.70 and 442.96 (Da).
Docking Interaction of Chromium(III) Phenylalanine with Protein Tyrosine Phosphatase
Authors: Ambarwati Y , Martoprawiro M A , Mulyani I , Ismunandar  , Onggo D 
Published: October 2019

Abstract
Chromium(III) complexes have been known to increase insulin absorption and decrease glucose levels in the blood, so Cr(III) complexes can be used as an antidiabetic supplement especially for people with diabetes type 2. The experimentally Cr(III) complexes proven to decrease glucose level, but the role mechanism of Cr(III) complexes in the body until now there is no explain in detail. In this research, the interaction of Cr(III) phenylalanine [Cr(phe)3] with protein tyrosine phosphatase (PTP) was studied by molecular docking. The aims this study was to identify the active site of PTP that binding with those Cr(III) phenylalanine. This research performed by computational calculations Hartree-Fock with basis set 6-31G, the interaction with PTP used the Autodock Vina software. The results showed that [Cr(phe)3] interact with 5 amino acids of PTP, i.e Leu(13), Arg(18), Ser(94), Asp(129) and Tyr(131) with the interaction energy of -6,6 Kcal/mol. The results showed that the interaction Cr(III) phenylalanine with PTP indicate hydrogen bonding with bond leght from 1,8 Å to 2,9 Å.
Utilization of Jernang Resin (Daemonorops draco) as the Basic Material for Making Liquid Wound Medicine
Authors: Yusnelti  , Muhaimin  
Published: October 2019

Abstract
Jernang is obtained from rattan sap which contains resin in the world known as dragon’s blood with the Latin name daemonorops draco BL, the resin produced is red, jernang is antibacterial, the secondary metabolic content of flavonoids and triterpenoids, resin obtained by maceration using ethanol organic solvents technical. Methods: making liquid wound medicine using base resin, ethanol and propylene glycol with 10% clear formulation, 50% ethanol and 50% propylene glycol. The results obtained by liquid wound medicine with pH 6, clear solubility dissolved in organic solvents ethanol and propylene glycol, viscosity is not measurable. There was no irritation and the wound healed completely without any scars on the skin
The Potency Study of Organotin(IV) 3-Nitrobenzoate Compounds as Antimalarial Agents
Authors: Hadi Sutopo , Noviany  , Qudus Hardoko Insan , Wattana-Amorn Pakorn 
Published: October 2019

Abstract
This paper reports the potency study of organotin(IV) 3-nitrobenzoate as antimalarial agent. The organotin(IV) 3-nitrobenzoate compounds were synthesized by reacting the intermediate products dibutyltin(IV) oxide, diphenyltin(IV) dihydroxide and triphenyltin(IV) hydroxide, with 3-nitrobenzoic acid. The antimalarial activity study was performed against Plasmodium falcifarum and the result of IC50 of the three compounds tested, i.e. dibutyltin(IV) di-3-nitrobenzoate, diphenyltinIV) di-3-nitrobenzoate and triphenyltin(IV) 3-nitrobenzoate were 8.1 x 10−3, 5.2 x 10−2 and 7.2 x 10−3 µg/mL, respectively, while the the chloroquine gave IC50 2 x 10−3 µg/mL). The IC50 of the compounds tested were little bit higher than the positive control, however these organotin(IV) compounds synthesized are not resistent to Plasmodium, thus the possible development as antimalarial agent is widely opened.
Improvement of Electrical Characteristics of Electrochemical Cells made from Sea Water Using Electroplating Method of Cu (Ag)-Zn Electrode as Renewable Energy Source
Authors: Pauzi G A , Riski K C , Suciyati S W , Junaidi  , Surtono A , Supriyanto A , Warsito  
Published: October 2019

Abstract
The electrical characterization research of electrochemical cell based seawater by using electroplating Cu-Zn electrode with Ag (Cu (Ag)-Zn) has been done. Measurement data is performed to determine the voltage at no load and with the 12 V 3W LED and lumination load. The measurement results were compared with electrochemical cells using Cu-Zn Electrodes without electroplating. Sea water that has been used has a salinity level of 3.5% which has three times the screening process. Measurement data has been taken every hour for 72 hours by refilling sea water every 24 hours. The average voltage drop for electrodes without electroplating is 0.03%, whereas for electrodes with electroplating is 0.01%. The lumination difference is up to 72 hours which is 4 times brighter than Cu-Zn without electroplating process.
Initial Sticking Coefficient Attenuation of Gases in Carbon Monoxide Sensing on Pt80Au14Ti6
Authors: Marjunus R 
Published: October 2019

Abstract
It has been proved that Pt80Au14Ti6 can give proper signals as a CO sensitive layer in air at room temperature. Unfortunately, there is no signal anymore from this sample, if it is kept in air more than 24 hours. To overcome this problem, we carried out dry etching technic. The atmosphere testing also has been done in technic etcher chamber by keeping the samples separately in Ar, N2, CO, and O2 with pressure 1 atm for 24 hours without taking out the samples after etching process from the chamber. These experiments found that oxygen causes this loss signal problem. Oxygen can diffuse up to 170 Angstrom under the Pt surface to be subsurface oxygen. This diffusion changes the surface structure of Pt(100)(1x1) to hex-Pt(100) which impacts the attenuating of the initial sticking coefficient of gases. Simulations which have been conducted in this research produced the attenuating factor, i.e., 1 − 0.00585 exp (5.76664O
sub), where O
sub is the concentration of subsurface oxygen.
The Analysis of E-Learning Model with Technology of Acceptance Model (TAM) Method in Faculty of Computer Science Sriwijaya University
Authors: Ibrahim A , Cahyani D , Nursalim M M , Arsita M , Suparman M , Indriyani S , Yusmaniarti  
Published: October 2019

Abstract
Sriwijaya University is one of the state universities located on the island of Sumatra, precisely in south Sumatra. It has 10 Faculties, and one of them is faculty of Computer Science (Fasilkom). As one of the best universities with A accreditation, Sriwijaya University always improves the learning system to make it easier for academic community to do teaching and learning process to be more effective and efficient. Therefore, its faculty of Computer Science also applies the learning process using e-learning. That is why we need a method of Technology Acceptance Model (TAM) to analyze the level of student acceptance of the implementation of e-learning because with the e-learning, lecturers, students and employees in Fasilkom can conduct the learning process more easily and quickly. In addition, with the implementation of e-learning, students and lecturers can do the teaching-learning process without having face-to-face sessions in the classroom. The students can also directly interact and discuss each other in terms of group work.
Forecasting of Bandar Lampung’s Population Using Growth Mathematical Models
Authors: Nuryaman A , Pamungkas M A A F , Saidi S 
Published: October 2019

Abstract
This paper investigates the projection on the population of Bandar Lampung City in 2017 - 2030 through a mathematical modeling approach. Here, we use four growth mathematical models particularly simple linear regression model, exponential model, logistic model and demographic transition model. The best approximation is chosen based on the smallest Mean Absolute Percentage Error (MAPE) value of the four models compared to the actual data. By using population data from 1995 - 2011, the results show that the model which gives the smallest MAPE is exponential model and the largest MAPE is demographic transition model.
On the Comparison of the Methods of Parameter Estimation for Pareto Distribution
Authors: Warsono  , Gustavia E , Kurniasari D , Amanto  , Antonio Y 
Published: October 2019

Abstract
The main purposes of this study is to asses on comparison of parameter estimation methods of the Pareto distribution. The estimation methods include moment, maximum likelihood estimation, probabilityweightedmoment, and generalizedmoment methods. Based on unbiasness, variance, and consistency properties, the results demonstrate that in estimating parameters of the Pareto distribution, the maximum likelihood method is the one of the best estimation methods.
A Development of Assessment Instruments Analysis Learning Style and Creativity of Elementary School Based on Forward Chaining Method
Authors: Awaludin A A R , Wulan R , Sarwandianto A , Alamsyah N 
Published: October 2019

Abstract
The aim of this research is knowing whether instrument is feasible or no to get data of research. The instrument of this study is a questionnaire learning style with 66 items consisting of 22 points of statement for each questionnaire of visual, auditorial, and kinesthetic learning styles and learning creativity consists of 48 items. The feasibility test instrument learning style and learning creativity consists of validation, consistency internal, and reliability. Meanwhile, to test the feasibility a used the validity of the contents of the questionnaire. Validator for both questionnaires is expert judgment. There were 60 students as respondents who tested the learning style questionnaire instrument and 64 students as respondents who tested the questionnaire instrument of learning creativity. After undergone a try an instrument learning style there are 45 items that qualified, with 15 items of statement for each of the study visual, auditorial, and a kinesthetic while chief creativity study in get 35 items that qualified based on testing and some revisions of expert judgment.