bluuebunny/crossref_metadata_2025_split huggingface dataset:
Application research of adaptive fuzzy control in the treatment device of drilling fluid wastewater
Authors: Meng Minghui , Zhou Chuande , Gao Xiaofei , Zhang Man , Guo Yingying 
Published: September 2020

Abstract
Aiming at the problem of energy consumption and efficiency in the treatment process by the treatment device of drilling fluid wastewater, this paper puts out an adaptive fuzzy control method. The fuzzy controller is based on the real-time online monitoring data of water quality and make rules based on engineering practice experience. The adaptive algorithm based on the real time online data of Do, pH and SS can treat drilling fluid wastewater in pertinence by selecting the specific processing module from aeration, filter presses, de-oiled, activated carbon, and adjusting the temperature of the Mechanical Vapor Recompression (MVR) processor. The experimental results show that the method of fuzzy control can decrease energy cost and improve treatment efficiency. The device with the optimized control can save energy consumption per hour 0.6 kw.h, and save 1 hour in a single workflow.
Study on straightening quality control for slender rod based on digital twin
Authors: Chen Xinchun , Yan Naiqing , Wang Can , Ding Peng 
Published: September 2020

Abstract
For the technical problems of slender rod straightening quality control in the mechanical industry, a straightening quality control method for slender rod based on digital twin is proposed. According to the characteristics of the slender rod straightening process system, straightness detection device for slender rod suitable for production site is developed. Combined with the straightening process of the slender rod, straightening stroke model is given. Straightening quality control system for slender rod is established based on digital twin technology. Taking the piston rod of a large hydraulic cylinder as an example, straightening quality is controlled. The result shows that the theoretical calculation error rate of the straightening stroke is less than 0.5%. Straightness data of piston rod with quality control system is compared with straightness data of piston rod without quality control system. The result shows that the straightness consistency of the piston rod by quality control is good, and it is controlled within the range of 0-0.5mm. Straightening pass rate increased from 30% to 100%. This proves straightening quality control system for slender rod based on digital twin is effective. It can meet the needs of actual production. This study provides technical support for the optimization of slender rod straightening process parameters and high-precision machining.
A prediction method of residential load transformer demand factor based on time series
Authors: Sun Ming , Jiang Hang , Lu Yangchao , Liu Qing , Yang Yong , Yu Bing 
Published: September 2020

Abstract
The use of residential transformer in distribution network directly affects the assessment result of the feeder installed capacity. With the development of power system reform and the improvement of power supply economy, it is more and more important to evaluate the demand factor of these transformers scientifically. In this paper, a method based on time series is proposed to predict the demand factor of residential load transformer in distribution network. Firstly, the actual current data of distribution transformer is collected. After data pre-processing, the maximum value of monthly demand factor is calculated, and the historical data based on time series can be obtained. Then, the general development trend of demand factor is predicted through gray model. Finally, more accurate demand factor prediction value can be obtained by using neural network model training. The data of a distribution transformer in a capital city of China is selected to illustrate the practicability and effectiveness of the proposed algorithm. The proposed algorithm can fully consider the dynamic characteristics of the demand factor changing in time, and will greatly improve the accuracy of the feeders installed capacity assessment.
Defect detection for aluminium conductor composite core X-ray image with deep convolution network
Authors: Wei Rui , Wei Hanlai , Chen Dabing , Xie Lizhe , Wang Zheng , Hu Yining 
Published: September 2020

Abstract
The Aluminum Conductor Composite Core (ACCC) has been considered one of the solutions for massively increasing requirements for the electricity power transmission in China due to its superiority in weight, strength and ampacity. Yet the popularize of ACCC lines suffer from damages caused during the construction, which may result in line broke in the future. In this paper, an automatic defect detection method based on Deep Convolution Network is proposed. Image classification framework with Inception-Resnet structure as backbone is applied. With the online self-designed robot, the proposed method can effectively detect the defects such as fracture, splitting and distortion, with a recall rate over 90%.
Mix design and properties of reactive powder concrete with diatomaceous earth as cement replacement
Authors: Saidi T , Hasan M , Riski A D D , Ayunizar R R , Mubarak A 
Published: September 2020

Abstract
Reactive powder concrete (RPC) consuming a large amount of Portland cement results in high cost. To reduce the cement used in RPC, the silica fume and ground granulated blast-furnace slag have been used as cement replacement. However, those materials are not available in Aceh Province - Indonesia. The objective of this research is to propose the mix design of RPC composed of locally available materials. In this paper, the mix design of RPC using calcined diatomaceous earth powder as partial cement replacement is presented. The iron ore powder was used as filler, and river sand with a diameter of less than 1 mm was used as aggregate. To maintain the workability of concrete, superplasticizer was added. The bulk density, specific gravity as well as particle size distribution of Portland cement, diatomaceous earth powder, iron ore powder and river size were tested. The modified Andreasen and Andersen model was utilized. The mix proportion of materials was determined using an optimization algorithm based on the least-squares method. Furthermore, all materials were mixed to produce RPC; and then the properties of fresh and hardened concrete i.e. workability, air content, compressive strength, splitting tensile strength, and flexural strength, were tested. The relative slump flow decreases with the increase of diatomaceous earth binder. The RPC with diatomaceous earth powder has a lower 7 days compressive strength but high flexural strength and splitting tensile strength.
Large deformation of building frame structure due to December 7, 2016 Pidie Jaya earthquake
Authors: Hasan M , Afifuddin M , Putra R 
Published: September 2020

Abstract
Pidie Jaya earthquake on December 7, 2016 caused the damage of many buildings. This paper presents the case study on a building frame structure that has undergone large deformation during Pidie Jaya earthquake without structural damage. The building has 3 stories. The permanent lateral displacement and inter-story drift of the structure in Y direction at the third story after the earthquake is 420 mm and 4.2%, respectively, which exceed the requirement of Indonesian standard for design building and other structures under earthquake load (SNI 1726:2012). The building structure was modeled as a space frame. A response spectral analysis with design response spectral provided in SNI 1726:2012 was conducted. For comparison, a time history analysis based on real time ground acceleration during Pidie Jaya earthquake was also conducted. The maximum lateral displacement based on response spectral analysis is 469 mm with maximum inter-story drift of 4.79%. Based on time history analysis, the maximum lateral displacement and inter-story drifts are 550 mm and 5.81%, respectively. Based on those results, it is necessary to revise the design response spectrum in SNI 1726:2012.
Community satisfaction levels on the housing reconstruction project after Mentawai tsunami in 2010 - a case study at Sipora Island
Authors: Ophiyandri T , Hidayat B , Ghiffari C 
Published: September 2020

Abstract
An earthquake accompanied by tsunami that occurred in the Mentawai Islands on 25 October 2010 brought many casualties and damage on housing. As a result, people living on the coastline lost their homes and has to be relocated to safer places. The implementation of the housing reconstruction program was based on the relocation approach. Unsafe coastal locations require the communities to move to higher ground which unfortunately at the forest areas of Mentawai. The success of the reconstruction of the housing sector can be an indicator of success in the implementation of post-disaster reconstruction. The purpose of this research is to identify the community satisfaction levels on the housing reconstruction projects in Sipora island. This research was conducted in South Sipora by conducting structured interview on 20 respondents spread across four villages. Respondents were invited to rate the satisfaction levels from very dissatisfied until very satisfied with points values 1-5. The results show that the level of community satisfaction was 2.91. The main problem was caused by a long delay in the start of the reconstruction program. In addition, there are still problems after the house is completed, such as the lack of availability of clean water and public facilities.
Seismic performance analysis of multi-span masonry infilled RC frame based on analytical strut model
Authors: Maidiawati M , Tanjung J , Nugroho F , Hayati Y 
Published: September 2020

Abstract
According to previous studies, it was accepted that masonry infills have a contribution to lateral strength, stiffness, and ductility of reinforced concrete (RC) frames structures. In the past studies, an analytical method of diagonal strut model has developed for evaluating the seismic performance of masonry infill. In this model, the masonry infills were presented by compression struts as distributed forces at the frame-infill interfaces in which the frame-infill contact lengths were evaluated by static equilibrium related to compression balance and lateral displacement compatibility. The lateral strength of infill was determined based on frame-infill contact length. In the current study, an experimental study of quasi-static cyclic lateral loading tests was conducted to evaluate the seismic performance of two-bay brick masonry infilled RC frames. This paper discusses the results of seismic performance brick infills based on experimental and analysis results of the multi-span masonry RC frame applying the diagonal strut model. According to the analytical model, antisymmetric strut was acted at the top and bottom of the middle column of the multi-span infilled frame from each infill. As a result, good agreements of lateral strength of structures were obtained between the experimental and analytical values.
Public perception of the transit bus plan in the city of Lhokseumawe
Authors: Haryadi H , Darma Y , Isya M 
Published: September 2020

Abstract
Community dependence on private transportation is a major factor in traffic congestion. Community perception is one of many important aspects in policy-making because by involving the community, the decision-makers will be able to capture the views, needs, and expectations of the community. The purpose of this study is to examine people’s perceptions of the transit bus plan. The data collection method used is Stated Preference (SP) with a total of 100 respondents in stratified random sampling. The SP questionnaire contains information about socio-economic status and respondents’ perceptions. The results of the perception survey show that the overall psychological questions have values above 2.5 from the 4 scale Likert, which means that respondents’ perceptions of the transit bus plan are very positive. The respondents agree that the transit bus can be received with positive values.
Mechanical properties improvement of clay soils using dry dust collector and silica sand wastes
Authors: Gunarti A S S , Nuryati S , Primatama F , Raharja I 
Published: September 2020

Abstract
Wastes from industrial parks increase rapidly; they are also difficult to manage. They should be carefully managed and used for other purposes, e.g., improving the infrastructure. The study did some laboratory experiments, e.g., California bearing ratio test, direct shear test, and triaxial (unconsolidated and undrained condition) test. Soil stabilization through chemical addition was done by mixing the original soil with some compositions of dry dust collector and silica sand wastes. California bearing ratio value of the 5mm penetration of soil with an additive composition of 7.5% silica sand and 1.5% dry dust collector was increased by 86 %. Internal friction angle value based on triaxial test showed that soil with an additive composition of 7.5 % silica sand (without dry dust collector) was increased by 2.5 %. The cohesion of soil having the additive composition of 7.5 % silica sand and 1.5 % dry dust collector increased by 60 % from the original soils.
The effect of water cement ratio (WCR) on compressive strength of interlocking bricks with mix design variations
Authors: Malahayati N , Hayati Y , Mahlil  , Sundary D , Maulina F 
Published: September 2020

Abstract
Interlocking brick is a material used for wall work in home construction. Called Interlocking Brick or Brick Interlock because the method of arranging the bricks is interlocked with one another. This interlocking brick itself began to be known in Aceh Province after the 2004 tsunami disaster. Interlocking brick is a block of compacted soil, made of cement, silt soil, and dried sand, measuring 300 χ 150 χ 100 cm3. Interlocking brick can function as a wall that can withstand structural and non-structural components. The purpose of this research is to get the compressive strength value of interlocking bricks designed with variations in the water cement ratio (WCR) so that the optimum compressive strength of interlocking bricks is obtained. The WCR used was 0.3; 0.4; and 0.5, while for the composition of cement, silt, and sand the ratio of 1:2:2 is used. The making of test specimens for testing the compressive strength of interlocking bricks is by cutting the interlocking bricks into cubes measuring 50 χ 50 χ 50 mm by 5 specimens for each variation so that the total of the total specimens are 45 specimens. Testing is done at the age of 7, 14, and 28 days. The results of the compressive strength of interlocking bricks using WCR 0.3 average compressive strength at the age of 7 days reached 8.10 MPa, 14 days reached 9.49 MPa and 28 days reached 10.94 MPa. For WCR 0.4, compressive strength on average at 7 days reaches 5.69 MPa, 14 days reaches 7.61 MPa and 28 days reaches 9.77 MPa. And for WCR 0.5 the average compressive strength at the age of 7 days reaches 5.36 MPa, 14 days reaches 8.25 MPa and 28 days reaches 9.93 MPa. From the compressive strength test results the interlocking brick with a WCR variation of 0.3; 0.4; and 0.5 with a mixture of 1:2:2 can be used as wall work material in house construction for structural construction and the optimum compressive strength value is obtained at WCR 0.3.
The effect of diameter and distance between vegetation in the riverbank to flood discharge by Eco-hydraulic in the Lawe Alas River, Southeast Aceh, Indonesia
Authors: Ziana  , Rizalihadi M , Azmeri  , Nugraha A 
Published: September 2020

Abstract
One of the eco-hydraulic methods used to reduce flooding and erosion in rivers is by vegetation along the riverbanks. The main problem in the Lawe Alas River is repeated flooding in the downstream areas that need to be addressed upstream. The purpose of this study is to design the proper vegetation diameter and the distance between plants that can reduce the velocity and flow of the river. The method of study in this research consists of conducting field surveys, measuring river discharge, and calculating vegetation diameter on riverbanks to reduce velocity and discharge based on the equation proposed by Merten. The planned diameter of vegetation with diameter is 0,1 m - 1,1 m, and the distance between vegetation 1 m - 11 m. The results showed that the maximum discharge capacity of the Lawe Alas River was 514,360 m3/s. For the return period of 50 years, 50 m from the riverbank design, vegetation with a diameter of 10 cm to 110 cm can reduce flooding in the resulting discharge 222,95 m3/s - 241,68 m3/s. Discharge is greater than 50 yearly flood discharge, which is 528,670 m3/s. In conditions without vegetation (diameter = 0) velocity = 1,725 m/s, the velocity produced by the design is 0,727 m/s - 0,789 m/s. Discharge and velocity are reduced by 54% - 58% so that the vegetation diameter of 10 cm is suitable for environmentally friendly designs on the riverbanks 50 m. In conclusion, all planned vegetation diameters can reduce discharge and velocity. Recommended vegetation is local vegetation, which is a tree that produces fruit that can be benefited to the community so that it can be planted and managed by local residents.
Study on the impact of canal blocking on groundwater fluctuation for tropical peatland restoration
Authors: Sutikno S , Rinaldi R , Putri R A , Khotimah G K 
Published: September 2020

Abstract
Peatland fires occur almost every year in Indonesia that might be caused by over-drained peatland due to canalization for a certain purpose. Canalization in the peatland leads to a significant decreasing change of groundwater level that might cause peatland very vulnerable against fire. The rewetting approach by the Peatland Restorations Agency of Indonesia using canal blocking is expected to keep groundwater level high so that the peatland is maintained in an always wet condition. Therefore, it is important to study the impact of canal blocking on the fluctuation of groundwater level in peatland ecosystems. This study was carried out at a research site which is located in Pulau Tebing Tinggi peatland hydrological unit, Kepulauan Meranti Regency, Riau, Indonesia. Groundwater level fluctuation as the impact of canal blocking was monitored using eight dipwells that were set with a distance of 1 m, 51 m, 101 m, and 201 m from the canal for each transect of the three transects. The result of this study showed that the canal blocking has a good impact for keeping groundwater level and keeping peatland on an always wet condition for peatland restoration and peat fire prevention until 400 m distance to the upstream area from canal block and about 1 m distance perpendicular to the canal. The canal blockings will have a good impact on rewetting at the peatland area up to 201 m distance perpendicular to the canal if the rise of water level at the canal is more than 0.6 m for peatland restoration.
Entropic and heat-transfer analysis of EMHD flows with temperature-dependent properties
Authors: Mondal A , Mandal P K , Weigand B , Nayak A K 
Published: September 2020

Abstract
This paper focusses on a theoretical analysis of the entropic generation and heat-transfer characteristics of electromagnetohydrodynamic (EMHD) flow in vertical hydrophobic microchannels. The flow viscosity, electrical conductivity, and thermal conductivity are assumed to be temperature variant. The fluid velocity and energy transfer equations associated with a system of coupled non-linear equations dealing with hydrophobic slip conditions are solved using a finite volume method associated with lubrication theory. The Debye–Hückel approximation is employed in an electrical double layer combined with the Poisson–Boltzmann equation to acquire an analytical solution for the electrical potential function. Slip velocities along with constant temperatures are provided to obtain numerical solutions for the case of a fully developed EMHD flow, in order to reveal the influence of fluid rheology. The results are presented for electromagnetic transport with variable viscosity over hydrophobic interfaces. Numerical and analytical validations are performed using the existing experimental results. In this study, we vizualize the significance of variable viscosity, electrical conductivity, and thermal conductivity on temperature distributions in the presence of a magnetic field. In this work, entropy generation is represented in terms of the Bejan number, which greatly impacts the normalized electroosmotic flow as well as the thermophysical parameters, leading to a minimization of the entropy-generation rate.
Qubit coupled cluster singles and doubles variational quantum eigensolver ansatz for electronic structure calculations
Authors: Xia Rongxin , Kais Sabre 
Published: September 2020

Abstract
Variational quantum eigensolver (VQE) for electronic structure calculations is believed to be one major potential application of near term quantum computing. Among all proposed VQE algorithms, the unitary coupled cluster singles and doubles excitations (UCCSD) VQE ansatz has achieved high accuracy and received a lot of research interest. However, the UCCSD VQE based on fermionic excitations needs extra terms for the parity when using Jordan–Wigner transformation. Here we introduce a new VQE ansatz based on the particle preserving exchange gate to achieve qubit excitations. The proposed VQE ansatz has gate complexity up-bounded to O(n
4) for all-to-all connectivity where n is the number of qubits of the Hamiltonian. Numerical results of simple molecular systems such as BeH2, H2O, N2, H4 and H6 using the proposed VQE ansatz gives very accurate results within errors about 10−3 Hartree.
Renal Sodium Handling in Relation to Environmental and Genetic Factors in Untreated Chinese
Authors: Kang Yuan-Yuan , Cheng Yi-Bang , Guo Qian-Hui , Sheng Chang-Sheng , Huang Qi-Fang , Xu Ting-Yan , Li Yan , Wang Ji-Guang 
Published: September 2020

Abstract

BACKGROUND
We investigated proximal and distal renal tubular sodium handling, as assessed by fractional excretion of lithium (FELi) and fractional distal reabsorption rate of sodium (FDRNa), in relation to environmental and genetic factors in untreated patients.

METHODS
Our study participants were suspected hypertensive patients being off antihypertensive medication for ≥2 weeks and referred for 24-hour ambulatory blood pressure monitoring. We collected serum and 24-hour urine for measurement of sodium, creatinine, and lithium concentration, and calculated FELi and FDRNa. We genotyped 19 single-nucleotide polymorphisms associated with renal sodium handling or blood pressure using the ABI SNapShot method.

RESULTS
The 1,409 participants (664 men, 47.1%) had a mean (±SD) age of 51.0 ± 10.5 years. After adjustment for host factors, both FELi and FDRNa were significantly (P ≤ 0.01) associated with season and humidity, explaining ~1.3% and ~3.5% of the variance, respectively. FELi was highest in autumn and lowest in summer and intermediate in spring and winter (P = 0.007). FDRNa was also highest in autumn but lowest in winter and intermediate in spring and summer (P &lt; 0.001). Neither FELi nor FDRNa was associated with outdoor temperature or atmospheric pressure (P ≥ 0.13). After adjustment for host and environmental factors and Bonferroni multiple testing, among the 19 studied genetic variants, only rs12513375 was significantly associated with FELi and FDRNa (P ≤ 0.004) and explained about 1.7% of the variance.

CONCLUSIONS
Renal sodium handling as measured by endogenous lithium clearance was sensitive to major environmental and genetic factors. Our finding is toward the use of these indexes for the definition of renal tubular dysfunction.