bluuebunny/crossref_metadata_2025 huggingface dataset:
ANALISIS ABILITY TO PAY DAN WILLINGNESS TO PAY PENGGUNA JASA KERETA API GUBENG – JUANDA (LOKASI KOTA SURABAYA – SIDOARJO)
Authors: Anugrah Isnain Alpin , Moetriono Hary , Mudjanarko Sri Wiwoho
Published: October 2019

Bandara Juanda adalah Bandara Internasional yang terletak kota di Sidoarjo dengan pergerakan penumpang sebanyak 17.651.183penumpang pada tahun 2016 atau naik 14% dari tahun 2015.
Namun Bandara Juanda tersebut belum memiliki akses yang memadai sehingga mengakibatkan sering terjadinya kemacetan pada akses menuju bandara pada jam-jam sibuk. Untuk mengurangi terhambatnya perjalanan menuju bandara maka akan dibangun kereta api. Dalam penetapkan tarif
kereta api perlu mengetahui kemampuan membayar (Ability to Pay) dan kemauan membayar (Willingness to Pay) pengguna jasa kereta api. Metode pengumpulan data dengan melakukan survey
terhadap penumpang dibandara. Pengukuran kemampuan membayar (Ability To Pay /ATP) menggunakan metode household budget dan kemauan membayar (Willingness To Pay /WTP) menggunakan metode state preference. Hasil penelitian yaitu estimasi rata-rata nilaiATP sebesar
Rp.86.761,- dani rata-rata nilai WTP sebesar Rp.24.595,- dengan 60% responden bersedia membayar
lebih untuk peningkatan keselamatan.
KAJIAN KETERSEDIAN LAHAN PARKIR SEPEDA MOTOR DI GWW (Studi Kasus: Kampus IPB Dramaga)
Authors: Hermawan Egi
Published: October 2019

Kampus merupakan tempat untuk mencari ilmu yang digunakan mahasiswa untuk menempuh jenjang pendidikan yang tinggi. Pendidikan tinggi merupakan jenjang pendidikan ditempuh setelah pendidikan menengah, mencakup program pendidikan Diploma, Sarjana, Magister dan Doktor.
Jumlah kendaraan roda dua yang tinggi di dalam kampus IPB menuntut tersedianya lokasi parkir yang mengakomodir bagi pengguna kendaraan bermotor di IPB. Pemusatan area parkir di dalam
kampus IPB dibagi ke dalam 4 lokasi kantung parkir yang tersebar guna menampung kendaraan dari berbagai gedung di sekitarnya yaitu parkir 1. GWW, 2. Grand TV, 3. Samping Rektor IPB, 4. Fapeta.Parkir adalah keadaan tidak bergerak suatu kendaraan yang bersifat sementara karena
ditnggal oleh pengemudinya. Parkir diartikan sebagai suatu kegiatan untuk meletakkan atau menyimpan kendaraan disuatu tempat tertentu yang lamanya tergantung kepada selesainya keperluan dari pengendaraan tersebut. Parkir didefinisikan sebagai kendaraan yang berhenti pada
tempat-tempat tertentu baik yang dinyatakan dengan rambu atau tidak. satuan ruang parkir (SRP) adalah ukuran luas efektif untuk meletakkan kendaraan (mobil penumpang, bus/truk, atau sepeda
motor), termasuk ruang bebas dan lebar buka pintu.
Variabilitas Genetik dan Heritabilitas Karakter Agronomi Galur-Galur Sawi (Brassica juncea L.)
Authors: Muhammad Raihan Fadhil , Waluyo Budi
Published: October 2019

Penelitian ini bertujuan untuk mempelajari variabilitas genetik, heritabilitas, dan menyeleksi penampilan genotipe karakter agronomi unggul pada 57 galur sawi untuk digunakan dalam bahan baku konsumsi dan industri. Penelitian ini dilaksanakan di Seed Bank and Nursery, Agrotechno Park Universitas Brawijaya, Desa Jatikerto, Kecamatan Kromengan, Kabupaten Malang pada bulan Desember 2018 – April 2019. Metode yang digunakan untuk penelitian ini adalah rancangan acak kelompok diperluas (augmented design). Perlakuan yang diberikan adalah 60 genotipe sawi yang terdiri dari 57 genotipe yang diuji dan 3 varietas sebagai cek. Genotipe yang diuji akan disebar kedalam 5 blok, sedangkan tiga varietas cek akan ditanam pada setiap blok, sehingga terdapat 72 satuan percobaan. Variabel pengamatan karakter agronomi terdiri dari 15 karakter kualitatif dan 24 karakter kuantitatif. Variabilitas yang luas terdapat pada karakter biji per polong, jumlah polong per tanaman, dan berat segar. Heritabilitas tinggi terdapat pada karakter panjang kotiledon, jumlah daun konsumsi, berat segar, umur panen benih, jumlah polong per tanaman, panjang polong, lebar polong, dan jumlah biji per polong. Terdapat galur-galur sawi yang mempunyai karakter unggul untuk bahan baku konsumsi dan industri.
SISTEM REKOMENDASI PEMILIHAN LAPTOP DENGAN METODE WASPAS
Authors: Chandra Kevin Arista , Hansun Seng
Published: October 2019

Komputer merupakan sebuah penemuan revolusioner yang memberikan banyak kontribusi bagi kehidupan manusia. Seiring berkembangnya teknologi, komputer berevolusi menuju ukuran yang lebih kecil, dari komputer desktop hingga komputer laptop. Untuk mengetahui perilaku dan preferensi masyarakat dalam memilih laptop, dilakukan survei sederhana menggunakan angket. Berdasarkan hasil survei, sebagian besar responden mengaku pernah mengalami kesulitan dalam memilih laptop yang sesuai dengan keinginan responden. Oleh karena itu, dibangun sebuah sistem rekomendasi laptop berbasis web. Pembangunan sistem ini dilakukan menggunakan metode WASPAS (Weighted Aggregated Sum Product Assesment). Metode WASPAS merupakan penggabungan dari metode WSM dan WPM. Metode ini dapat digunakan untuk menyelesaikan permasalahan MCDM (Multi Criteria Decision Making). Bahasa pemrograman yang digunakan untuk pembangunan website ini antara lain HTML, PHP, dan Javascript. Hasil uji kepuasan pengguna terhadap sistem yang dibangun menunjukkan bahwa mayoritas responden memberikan penilaian positif. Hasil perhitungan Cronbach’s Alpha terhadap hasil uji kepuasan pengguna menghasilkan nilai sebesar 0,83 yang menunjukkan bahwa hasil uji kepuasan pengguna tergolong reliable. Selain itu, uji validitas menunjukkan bahwa data yang diperoleh tergolong valid.
Customer Relationship Management: A Review and Classification
Authors: Alokla Mosa , Alkhateeb Mais , Abbad Muneer , Jaber Faten
Published: October 2019

This research identifies the effective components that influence the evolution of the concepts of customer relationship management (CRM) research strategies and to present the academic literature review and classifications of CRM. It provides an overview of CRM research and identifies the gaps in the previous CRM literature review. To achieve this, our research is based on the period from 2006 to 2010. Data is collected from 618 research papers on CRM for the 2006-2010 period as sourced from top online databases. The data are then analysed by capturing the keywords of articles to determine the different perspectives to the study of CRM. The components of CRM are then classified. The emerging schema is then used to review the literature. The results show the current state of the art in that period (2006-2010) for CRM research, the comprehension of CRM components, their categories and techniques.
Book Review
Authors: Yerden Nevin Karabiyik
Published: October 2019

Gábor REKETTYE and Jonathan LIU (2018). Pricing - The New Frontier. London: Transnational Press London, 320pp, ISBN: 978-1-910781-83-8. Gábor Rekettye and Jonathan Liu, both are senior professors respectively in Hungary and the United Kingdom with extensive experience of teaching at all levels and to different audiences, offer a comprehensive textbook on pricing aspects of the widely used marketing mix framework. The book recently received an academic excellence award from the Hungarian Sciences Academy. This is an accolade also reflecting the seniority of the authors.
Book Review
Authors: Al Serhan Omar
Published: October 2019

Gábor REKETTYE (2019). Value Creation 4.0- Marketing Products in the 21st Century. London: Transnational Press London, 251 pp, ISBN: 978-1-912997-21-3. Value Creation 4.0  is a marketing guide designed to address the needs of the age of the fourth industrial revolution. It takes a practical oriented approach via drawing the reader’s attention to situations and challenges. The title focuses on customer-oriented management of products and it also dissects many key value creation topics in 4 parts through 14 chapters. The book is primarily targeting practitioners and those in higher education as well as those interested advance marketing.
Illocutionary Speech Acts on Tweets Posted by Public Figures: Pragmatics Study
Authors: Jafar Arif
Published: October 2019

The title of this research is
Comparison between Huin-neng and Martin Luther’s Religious Psychological Thought
Authors: Bing-quan Li , Hai-xin Du , Xu dong Zhang , Shu-jian Du
Published: October 2019

Both Huineng and Martin Luther are religious reformers with great influence in the world. There are many similarities in their religious psychological thought, such as “equality of all beings”, “the bewilderment and the enlightenment in one’s mind”, “taking the cultivation of Xin as the most important”, “guidance”, and “rationalization”. However, because they are in different eras, cultures, religions, etc., their ideological differences are also very obvious, which are mainly manifested in: inside or outside, good or evil of human nature, turning suffering into pleasure currently or suffering in living for the happiness after death, no-grasping or grasping, for all beings or for oneself, without self or with self, etc.
Clinicopathological Profile of 66 Patients with Carcinoma Stomach in North-East Part of Bangladesh
Authors: Tania Farhana Afroze , Ahmed Istiaq , Saha Madhusudan , Das Mrinal Kanti
Published: October 2019

Background: There is wide variation in the prevalence of carcinoma stomach throughout the world. In some parts of the world it is decreasing whereas in the other parts it is increasing. Also there are variations in the risk factors of the disease.

Objective: To see clinicopathological profile of patients of carcinoma stomach in North-East part of Bangladesh.

Materials and Methods: Consecutive new patient diagnosed as carcinoma of stomach were interviewed and data was recorded in a data sheet.

Results: Total 66 cases, age varying from 26−77 (mean 52) years, male 45 (68.2%) and female 21 (31.8%) were enrolled. Out of them 44 (66.7%) were above 45 years. People from lower economic group (51, 78.8%) and rural area (39, 59.1%) were predominantly affected. Commonest presenting symptoms were weight loss, abdominal pain and vomiting. Common site of lesion was antrum and common histopathological type was adenocarcinoma (64, 97%).

Conclusion: Carcinoma stomach is a disease of older age group and male are predominantly affected. Smoking, tobacco and betel nut chewing are risk factors. Lower income group and rural people are more affected.

J Enam Med Col 2019; 9(3): 166-169
ECONOMIC RISK OF DEVELOPMENT OF THE TERRITORIES OF ADVANCED SOCIO-ECONOMIC DEVELOPMENT
Authors: Kachalov R. M. , Poltorykhina S. V. , Ablizina N. N.
Published: October 2019

The Russian economy needs a qualitative leap in the rate of economic development. The peculiarity of Russia development is the functioning of municipalities and entire regions with a single industry specialization of the economy. In the context of macroeconomic instability, the above-mentioned territories need preventive support. The instrument of such support since 2015 has been the territories of advanced social and economic development, initially created in the Far East, and since 2016 in single-industry towns. Purpose of the research is to identify and analyze the risk phenomenon of deviations from the goal of socio-economic development of territorial economic entities that have received the status of TASED resident. The city of Naberezhnye Chelny was chosen as the object of study as the first monoterritory with the status of TASED. The objectives of the research work are to detail the essential characteristics of TASED their actualization in the context of the identified problems. The relevance of creating TASED in cities with a single industry economy is determined, the importance of TASED as a zone of favorable economic activity and the emergence of growth points, as well as an institution for the development of the economy of territorial entities, is emphasized. The advantages of TASED as a certain type of territorial formations for residents of TASED are substantiated, and, on the other hand, possible risk factors of deviations from the development goal of TASED are identified and the directions of the search for anti-risk management decisions are identified. In the process of writing, general scientific methods of theoretical and empirical knowledge were used: the method of scientific abstraction, the method of analogies, the logical method, methods of analysis and synthesis, the method of formalization, the method of classification, system, statistical, structural, functional, economic analysis.
STATE IN THE ECONOMY OF THE XXI CENTURY: POLITICAL ECONOMY INTERPRETATION
Authors: Buzgalin A. V.
Published: October 2019

Author is considering the role of state in the contemporary economy from the point of view of Marxist methodology that clarifies presentation of the points of disagreements which take place among scholars, and, also uses the potential of foreseeing in Marxism. In the paper the thesis is stated that contemporary state is focused on the realization of three main types of interests: the state apparatus (bureaucracy), the ruling class (capital) and society as a whole. The contradictions between these groups of interests are investigated and the different already realized variants of compromise between them are considered, as well as other possible variants of such a compromise. The positions of different schools and currents of economic thought are analyzed from the point of their orientation predominantly to this or that interests, protection and realization of which are included in the functions of the state. The main points of disputes on these questions are marked. On the basis of the highlighting the main interests being defended by state the idea of three forms of state is formulated: state-bureaucrat, statecapital and state-society. Author treats the development of economic functions of a state in the conditions of late capitalism as transformation of state itself into the functioning capitalist. From the point of view of historical development of the state functions, the probable shifts in these functions are treated as response to the challenges connected with the evolution of modern economy. For instance, the usage of newly formed post-market (or transitory to post-market) relations in the economic functions of state is investigated. These transitory post-market relations are increasing the potential possibilities to implement the state function of social interests’ representative. As one of the probable variants of possible evolution of contemporary state and the reasons for the shift into the liberal-conservative direction are analyzed, as well as the workable alternative for this shift.
Reviewing the Development of Rural Finance in Vietnam
Authors: Pham Bao Duong
Published: October 2019

The objective of this article is to review the development of the rural financial system in Vietnam in recent years, especially, after Doi moi. There are two opposite schools of thought in the literature on rural credit policies in developing countries. One is the conventional supply-side (government-led) approach while the other is called “a new paradigm” that emphasizes the importance of the viability of financial providers and the well functioning of rural credit markets. Conventional theories of rural finance contend that rural finance in low-income countries is generally accompanied by many failures. Contrary to these theories, rural finance in Vietnam does not encounter the above-mentioned failures so far. Up to the present time, it is progressing well. Using a supply-side approach, methodologically, this study reviews the development of the rural financial system in Vietnam. The significance of this study is to challenge the extreme view of dichotomizing between the old and the new credit paradigms. Analysis in this study contends that a rural financial market that, (1) is initiated and spurred by government; (2) operates principally under market mechanisms; and (3) is strongly supported by rural organizations (semi-formal/informal institutions) can progress stably and well. Therefore, the extremely dichotomizing approach must be avoided.
Family Influence on Business: Application of A Modified F-PEC Scale to Private Small Business In Vietnam
Authors: Vu Hoang Nam , Truong Tuan Anh , Nguyen Ke Nghia
Published: October 2019

This paper uncovers dimensions of family influence on private small business in Vietnam. Although the F-PEC scale, which comprises three subscales for power, experience and culture dimensions of family influence, has been validated in the literature, application of the scale in an Asian context, like Vietnam, may face challenges due to context differences. The study modified the original scale based on qualitative findings from five interviews with entrepreneurs and comments on the scale from business scholars. Data from a survey of 143 entrepreneurs were used for EFA, resulting in four factors. And CFA proves fitness of the measurement model of the four-factor structure to the data, in which two dimensions regarding the cultural aspect were confirmed.
Supplier Visibility: Important Relationship-Specific Capability for Buying Firms
Authors: Nguyen Vu Hung
Published: October 2019

Obtaining visibility into key suppliers is considered of utmost importance for manufacturers. However, the term supplier visibility has been underdeveloped. For better future studies and application of the concept, we need to clarify it theoretically and practically. This paper endeavors to fill in the gap by providing a conceptualization of supplier visibility which is built on extant theories. Specifically, our literature review on this concept has shown that the term has usually been used interchangeably with other concepts such as information sharing. We stress, however, that to be qualified for supplier visibility, the concept needs to take information sharing as a prerequisite, but goes beyond it and requires the efficacy conditions. Moreover, as suggested by extant theories, supplier visibility may be multi-dimensional. Thus, we conceptualize supplier visibility as the degree to which a focal buying firm is able to access timely, accurate, and relevant information about its supplier’s operational and strategic issues. To illustrate the working of the concept in practice, a case study in the automotive industry contrasting the approaches used by the U.S. and Japanese manufacturers is presented. Directions are also recommended for future studies.
Rural Industrialization in Korea: Policy Program, Performance and Rural Entrepreneurship
Authors: Chong-Hyuk Suh , Hyong-Mo Kim
Published: October 2019

From the early seventies the Korean Government has adopted a rural industrialization policy as an important measure for promoting rural development. It has been perceived that through this measure the over-concentration of economic activity would be controlled and dispersed. Development of rural industrialization has passed through three different phases: i) the period of promoting rural cottage-type industries (1960-80); ii) the period of rural industrial park establishment; and iii) a stagnation period after the early 1990s. Throughout the overall period government policy changed from an individual project-oriented approach to a diversified and comprehensive policy program. The policy programs, such as the development of rural industrial parks, off-farm income source development and vocational training programs for farm youths, have helped in promoting rural industrialization. On the other hand, policy programs promoting rural out-migration and unbalanced regional development policy have impacted negatively on rural industrialization. Presently one of the serious policy issues facing rural industries is how to secure a young labor force and how to promote rural entrepreneurship. In addition, rural development efforts by local government and authorities are necessary in order to increase investment from urban-based entrepreneur firms.
Keywords:Rural industrialization, farm household, off-farm income, rural development, rural industrial park, rural
Aikuiskasvatuksen tutkijayhteisö menetti aktiivisen jäsenensä
Authors: Toimituskunta Aikuiskasvatuksen
Published: October 2019

Aikuiskasvatuksen tutkijana Tarita Riikonen (1974–2019) oli paremman ja inhimillisemmän yhteiskunnan rakentaja, jonka foorumeita olivat Aikuiskasvatuksen toimituskunta ja Aikuiskasvatuksen Tutkimusseura.
Study of Betel Nut Husk Fibre Reinforced Polymer Composite
Authors: Nicholas Kuan Hoo Tien , Jadum Kennedy , Yusof Mahshuri , Ting Sim Nee , Ng Chee Khoon
Published: October 2019

The mechanical properties of oxo-biodegradable high-density polyethylene (oxo-HDPE) composites reinforced betel nut husk (BNH) fibre were studied in this research. A neat oxo-HDPE laminate and four betel nut fibre reinforced oxo-HDPE composites were fabricated using hot press compression moulding method. The composites contain 7%, 12%, 17%, and 22% fibres volume fraction respectively. The cross section of the composite was observed under scanning electron microscopy (SEM) and all five laminates are put through tensile test and hardness test. The result of the study shows that adding betel nut husk (BNH) fibres as reinforcement increases its tensile strength, specific tensile strength, and hardness of the composites. The good lamination observed under scanning electron microscopy (SEM) enable good transfer and distribution of stresses from the matrix to the fibres.
On Strangers and Ambivalence: Reconsidering the Ethical Boundaries of Asylum in Michael Helm's Cities of Refuge
Authors: Fraile Ana María
Published: October 2019

Michael Helm’s recent novel Cities of Refuge (2010) offers a gallery of physically displaced people and of spiritual exiles who, albeit presenting different characteristics, are all subsumed within the category of the stranger. By foregrounding the ethical responsibility toward the stranger in our midst, the novel engages with questions of current concern, such as the impact of global-scale displacements and conflicts on the Canadian nation-state. Consequently, while delving on the ambivalence of the stranger, this essay tangentially addresses the following questions: how does the state manage its physical and imaginary borders? How does the presence of undocumented subjects impinge on Canada’s national self-image in the age of official multiculturalism and extolled pluralism? How is the average Canadian urbanite affected in his/her everyday life by the presence of these underground, non-status subjectivities?  In which ways are the violences of history and of the state brought to bear upon the bodies and destinies of failed refugees in Canada, as well as upon Canadian citizens themselves? Given the philosophical extent of these concerns, my reading of the novel has been inspired by the discussions of Jacques Derrida and of Zigmunt Bauman around the ambiguities attached to the figure of the stranger. Frank Kermode’s Sense of an Ending has proved equally illuminating in my attempt to grasp the novel’s focus on the production of narratives as tools for providing order and meaning out of the ambivalent and apocalyptic experience characteristic of our globalized world.
New Poems
Authors: Dickinson Adam
Published: October 2019

poems by Adam Dickinson
Fault Diagnosis Method for Engine Control System Based on Probabilistic Neural Network and Support Vector Machine
Authors: Wang Bo , Ke Hongwei , Ma Xiaodong , Yu Bing
Published: October 2019

Due to the poor working conditions of an engine, its control system is prone to failure. If these faults cannot be treated in time, it will cause great loss of life and property. In order to improve the safety and reliability of an aero-engine, fault diagnosis, and optimization method of engine control system based on probabilistic neural network (PNN) and support vector machine (SVM) is proposed. Firstly, using the German 3 W piston engine as a control object, the fault diagnosis scheme is designed and introduced briefly. Then, the fault injection is performed to produce faults, and the data sample for engine fault diagnosis is established. Finally, the important parameters of PNN and SVM are optimized by particle swarm optimization (PSO), and the results are analyzed and compared. It shows that the engine fault diagnosis method based on PNN and SVM can effectively diagnose the common faults. Under the optimization of PSO, the accuracy of PNN and SVM results are significantly improved, the classification accuracy of PNN is up to 96.4%, and the accuracy of SVM is up to 98.8%, which improves the application of them in fault diagnosis technology of aero-piston engine control system.
High Speed 3D Shape Measurement with Temporal Fourier Transform Profilometry
Authors: Zhang Haihua , Zhang Qican , Li Yong , Liu Yihang
Published: October 2019

A novel high-speed 3D shape measurement technology called temporal Fourier transform profilometry (TFTP for short) is proposed by combining the merits of Fourier transform profilometry (FTP) and phase-measuring profilometry (PMP). Instead of using the digital light projector, a mechanical projector is employed to generate multi-period phase-shifting fringe patterns sequentially. During the reconstruction process, the phase value of each pixel is calculated independently along the temporal axis and no spectrum filtering operation is performed in a spatial domain. Therefore, high-frequency components containing the detailed information of the measured object effectively remain. The proposed method is suitable for measuring isolated dynamic objects. Only one frame of deformed fringe pattern is required to retrieve one 3D shape of the measured object, so it has the obvious advantage if measuring the dynamic scene at a high speed. A low-cost self-made mechanical projector with fast projection speed is developed to execute the principle-proof experiments, whose results demonstrate the feasibility of measuring isolated dynamic objects.
Study on Damage Evolution and Resistivity Variation Regularities of Coal Mass Under Multi-Stage Loading
Authors: Li Xiangchun , Zhang Qi
Published: October 2019

In order to describe resistivity variation regularities during the process of damage evolution of loading coal mass more comprehensively and accurately, electrical resistivity and acoustic emission (AE) characteristics of coal mass were tested by 3532-50 LCR tester and AMSY-6 AE data acquisition system under the condition of multi-stage loading, and resistivity variation characteristics were analyzed with stress changing. The damage evolution process of coal mass was studied by the measurement of the AE parameters, and the resistivity curve was obtained in the damage conditions based on the relationship between the AE damage variable and the resistivity. The results show that resistivity and stress curves of coal mass have a good correspondence during the multi-stage loading, and the resistivity shows a trend of fluctuating downward with the increasing of stress. The resistivity increases sharply to the maximum value when the load increases to the ultimate compressive strength of specimens. AE information can reveal effectively damage evolution process of microcracks formation, expansion and fracture in coal mass under external force, and during multi-stage loading, the cumulative AE ringing counts curve of coal mass have three different types of growth trends: stable stage, sudden change stage, gradual increasing stage. Meanwhile, the relationship between resistivity and AE damage variable is established based on the formula of damage variable under uniaxial compression and combined with continuous damage mechanics, and its rationality is verified.
Study on Mechanism of Series-Flow of Pollutants between Consecutive Tunnels by Numerical Simulation
Authors: Zhang Honghu , Hou Yunge , Wu Kaijie , Zhang Tianhang , Wu Ke , Zhang Xin
Published: October 2019

The characteristics of series-flow between two consecutive tunnels with distance ranging from 20 m to 250 m are explored by computational fluid dynamics (CFD) parametric simulations of structure and operation parameters. The research indicates that series-flow can be considered the three-dimensional wall jet diffusion of upstream tunnel pollutants under the effects of the negative pressure area of the downstream tunnel entrance. The jet characteristics are primarily related to the tunnel distance between upstream and downstream tunnels and hydraulic diameters, and only influenced by the negative pressure in the area very close to downstream entrance where the tunnel air velocity ratio, i.e., the velocity of upstream tunnel air divided by the velocity of downstream tunnel air, decides the degree of the influence. If ignoring the effects of ambient wind and traffic flow, the series-flow ratio decreases with the increasing of parameters of the normalized tunnel distance, i.e., the tunnel distance divided by tunnel hydraulic diameter, and the tunnel air velocity ratio. Based on the three-dimensional wall jet theory, a series-flow model covering all jet characteristic sections is built. The experiment results indicate that the model applies to consecutive tunnels with any spacing and exhibits higher prediction accuracy.
Emerging Construction Materials and Sustainable Infrastructure
Authors: Song Gangbing , Zheng Yu , Wu Bo
Published: October 2019

As well reported, ordinary Portland cement (OPC) production causes between 0 [...]
Multiple Feature Integration for Classification of Thoracic Disease in Chest Radiography
Authors: Ho Thi Kieu , Gwak Jeonghwan
Published: October 2019

The accurate localization and classification of lung abnormalities from radiological images are important for clinical diagnosis and treatment strategies. However, multilabel classification, wherein medical images are interpreted to point out multiple existing or suspected pathologies, presents practical constraints. Building a highly precise classification model typically requires a huge number of images manually annotated with labels and finding masks that are expensive to acquire in practice. To address this intrinsically weakly supervised learning problem, we present the integration of different features extracted from shallow handcrafted techniques and a pretrained deep CNN model. The model consists of two main approaches: a localization approach that concentrates adaptively on the pathologically abnormal regions utilizing pretrained DenseNet-121 and a classification approach that integrates four types of local and deep features extracted respectively from SIFT, GIST, LBP, and HOG, and convolutional CNN features. We demonstrate that our approaches efficiently leverage interdependencies among target annotations and establish the state of the art classification results of 14 thoracic diseases in comparison with current reference baselines on the publicly available ChestX-ray14 dataset.
Design of Warship Simulation Using Variable-Chromosome Genetic Algorithm
Authors: Park Kang-moon , Shin Suk-hoon , Shin Donghoon , Chi Sung-do
Published: October 2019

A genetic algorithm (GA) is a global search algorithm based on biological genetics. GAs are generally used for industrial applications, artificial neural networks, web applications, the defense industry, and so on. However, it is difficult to apply GAs to more complex situations because of the fixed number of chromosomes. In this research, in order to overcome this limitation, we propose a variable-chromosome GA with a chromosome attachment feature. Verification of the algorithm is carried out through anti-submarine high value unit (HVU) escort mission simulations. Ultimately, it is confirmed that the GA using the variable chromosome is more effective in dealing with highly complex missions, whereby the number of chromosomes gradually increases.
Numerical Simulation of Knock Combustion in a Downsizing Turbocharged Gasoline Direct Injection Engine
Authors: Wang Xi , Zhang Xun , Wang Minfei , Han Yue , Chen Hanyu
Published: October 2019

Engine knock has become the prime barrier to significantly improve power density and efficiency of the engines. To further look into the essence of the abnormal combustion, this work studies the working processes of normal combustion and knock combustion under practical engine operating conditions using a three-dimensional computation fluid dynamics (CFD) fluid software CONVERGE (Version 2.3.0, Convergent Science, Inc., Madison, USA). The results show that the tumble in the cylinder is gradually formed with the increase of the valve lift, enhances in the compression stroke and finally is broken due to the extrusion of the piston. The fuel droplets gradually evaporate and move to the intake side under the turbulent and high temperature in the cylinder. During the normal combustion process, the flame propagates faster on the intake side and it facilitates mixture in cylinder combustion. During the knock combustion simulation, the hotspots near the exhaust valve are observed, and the propagating detonation wave caused by multiple hotspots auto-ignition indicates significant effects on knock intensity of in-cylinder pressure.
Sediment Erosion Characteristics and Mechanism on Guide Vane End-Clearance of Hydro Turbine
Authors: Chen Yu , Li Rennian , Han Wei , Guo Tao , Su Min , Wei Sanze
Published: October 2019

Sediment erosion caused by the collision of solid particles is a challenge for the safety, reliability, unit efficiency, and vibration noise of the hydroelectric engineering system located at China’s Yellow River and northwest inland basin. The sediment-laden flow of the guide vane end-clearance of the Francis Turbine at Dongshuixia hydroelectric station was used as the research object, and the large eccentric shaft structure of a guide vane was considered. Numerical calculations with the large eddy simulation (LES) and discrete phase models (DPMs) were carried out to study the erosion characteristics and mechanism of the end-surface of the guide vane and head cover, the flow mechanism of adverse erosion behind the shaft, and the influence law of the turbulence integral scale, turbulent kinetic energy, and turbulent flow angle on erosion. The flow field with a 1 mm clearance should set the number of particle trajectory per unit inlet area at about 1/mm2 to ensure the accuracy of calculation. The von Kármán vortex street is the main reason for adverse erosion behind the shaft and the low frequency energy of the turbulence plays a leading role in erosion. The above results provide a reference for the optimization design of an anti-wear guide vane and wear-protection of the clearance with sediment-laden water.
Carbonaceous Aerosols Collected at the Observatory of Monte Curcio in the Southern Mediterranean Basin
Authors: Bencardino Mariantonia , Andreoli Virginia , D’Amore Francesco , Simone Francesco , Mannarino Valentino , Castagna Jessica , Moretti Sacha , Naccarato Attilio , Sprovieri Francesca , Pirrone Nicola
Published: October 2019

This work provides the first continuous measurements of carbonaceous aerosol at the Global Atmosphere Watch (GAW) Monte Curcio regional station, within the southern Mediterranean basin. We specifically analyzed elemental carbon (EC) and organic carbon (OC) concentrations in particulate matter (PM) samples, collected from April to December during the two years of 2016 and 2017. The purpose of the study is to understand the behavior of both PM and carbonaceous species, in their fine and coarse size fraction, along with their seasonal variability. Based on 18 months of observations, we obtained a dataset that resulted in a vast range of variability. We found the maximum values in summer, mainly related to the enhanced formation of secondary pollutants owing to intense solar radiation, also due to the high frequency of wildfires in the surrounding areas, as well as to the reduced precipitation and aerosol-wet removal. We otherwise observed the lowest levels during fall, coinciding with well-ventilated conditions, low photochemical activity, higher precipitation amounts, and less frequency of Saharan dust episodes. We employed the HYSPLIT model to identify long-range transport from Saharan desert. We found that the Saharan dust events caused higher concentrations of PM and OC in the coarser size fraction whereas the wildfire events likely influenced the highest PM, OC, and EC concentrations we recorded for the finer fraction.
Technologies for Biogas Upgrading to Biomethane: A Review
Authors: Adnan Amir Izzuddin , Ong Mei Yin , Nomanbhay Saifuddin , Chew Kit Wayne , Show Pau Loke
Published: October 2019

The environmental impacts and high long-term costs of poor waste disposal have pushed the industry to realize the potential of turning this problem into an economic and sustainable initiative. Anaerobic digestion and the production of biogas can provide an efficient means of meeting several objectives concerning energy, environmental, and waste management policy. Biogas contains methane (60%) and carbon dioxide (40%) as its principal constituent. Excluding methane, other gasses contained in biogas are considered as contaminants. Removal of these impurities, especially carbon dioxide, will increase the biogas quality for further use. Integrating biological processes into the bio-refinery that effectively consume carbon dioxide will become increasingly important. Such process integration could significantly improve the sustainability of the overall bio-refinery process. The biogas upgrading by utilization of carbon dioxide rather than removal of it is a suitable strategy in this direction. The present work is a critical review that summarizes state-of-the-art technologies for biogas upgrading with particular attention to the emerging biological methanation processes. It also discusses the future perspectives for overcoming the challenges associated with upgradation. While biogas offers a good substitution for fossil fuels, it still not a perfect solution for global greenhouse gas emissions and further research still needs to be conducted.
Chemical Composition and Biological Activities of Artemisia pedemontana subsp. assoana Essential Oils and Hydrolate
Authors: Sainz Paula , Andrés María Fe , Martínez-Díaz Rafael A. , Bailén María , Navarro-Rocha Juliana , Díaz Carmen E. , González-Coloma Azucena
Published: October 2019

Given the importance of the genus Artemisia as a source of valuable natural products, the rare plant Artemisia pedemontana subspecies assoana, endemic to the Iberian Peninsula, has been experimentally cultivated in the greenhouse and aeroponically, to produce biomass for essential oil (EO) extraction. The chemical composition of the EOs was analyzed, and their plant protection (insects: Spodoptera littoralis, Rhopalosiphum padi, and Myzus persicae; plants: Lactuca sativa and Lolium perenne; fungi: Aspergillus niger; and nematode: Meloidogyne javanica) and antiparasitic (Trypanosoma cruzi, Phytomonas davidi, and antiplasmodial by the ferriprotoporphyrin biocrystallization inhibition test) properties were studied, in addition to the hydrolate by-product. The EOs showed a 1,8-cineole and camphor profile, with quantitative and qualitative chemical differences between the cultivation methods. These oils had moderate insect antifeedant, antifungal, and phytotoxic effects; were trypanocidel; and exhibited moderate phytomonacidal effects, while the hydrolate showed a strong nematicidal activity. Both EOs were similarly antifeedant; the EO from the greenhouse plants (flowering stage) was more biocidal (antifungal, nematicidal, and phytotoxic) than the EO from the aeroponic plants (growing stage), which was more antiparasitic. The major components of the oils (1,8-cineole and camphor), or their 1:1 combination, did not explain any of these effects. We can conclude that these EOs have potential applications as insect antifeedants, and as antifungal or antiparasitic agents, depending on the cultivation method, and that the hydrolate byproduct is a potent nematicidal.
Migration Properties Distinguish Tumor Cells of Classical Hodgkin Lymphoma from Anaplastic Large Cell Lymphoma Cells
Authors: Goncharova Olga , Flinner Nadine , Bein Julia , Döring Claudia , Donnadieu Emmanuel , Rikirsch Sandy , Herling Marco , Küppers Ralf , Hansmann Martin-Leo , Hartmann Sylvia
Published: October 2019

Anaplastic large cell lymphoma (ALCL) and classical Hodgkin lymphoma (cHL) are lymphomas that contain CD30-expressing tumor cells and have numerous pathological similarities. Whereas ALCL is usually diagnosed at an advanced stage, cHL more frequently presents with localized disease. The aim of the present study was to elucidate the mechanisms underlying the different clinical presentation of ALCL and cHL. Chemokine and chemokine receptor expression were similar in primary ALCL and cHL cases apart from the known overexpression of the chemokines CCL17 and CCL22 in the Hodgkin and Reed-Sternberg (HRS) cells of cHL. Consistent with the overexpression of these chemokines, primary cHL cases encountered a significantly denser T cell microenvironment than ALCL. Additionally to differences in the interaction with their microenvironment, cHL cell lines presented a lower and less efficient intrinsic cell motility than ALCL cell lines, as assessed by time-lapse microscopy in a collagen gel and transwell migration assays. We thus propose that the combination of impaired basal cell motility and differences in the interaction with the microenvironment hamper the dissemination of HRS cells in cHL when compared with the tumor cells of ALCL.
Experimental and Computational Approaches to Direct Cell Reprogramming: Recent Advancement and Future Challenges
Authors: Gam Rihab , Sung Minkyung , Prasad Pandurangan Arun
Published: October 2019

The process of direct cell reprogramming, also named transdifferentiation, permits for the conversion of one mature cell type directly into another, without returning to a dedifferentiated state. This makes direct reprogramming a promising approach for the development of several cellular and tissue engineering therapies. To achieve the change in the cell identity, direct reprogramming requires an arsenal of tools that combine experimental and computational techniques. In the recent years, several methods of transdifferentiation have been developed. In this review, we will introduce the concept of direct cell reprogramming and its background, and cover the recent developments in the experimental and computational prediction techniques with their applications. We also discuss the challenges of translating this technology to clinical setting, accompanied with potential solutions.
The Absence of Tryptase Mcpt6 Causes Elevated Cellular Stress in Response to Modulation of the Histone Acetylation Status in Mast Cells
Authors: Santosh Martin Sebastin , Rabelo Melo Fabio , Pejler Gunnar
Published: October 2019

Mast cells contain large amounts of proteases stored within their secretory granules. Previously we showed that one of these proteases, tryptase, in addition to its location within granules, can also be found within the mast cell nucleus, where it has the capacity to affect the acetylation profile of nucleosomal core histones in aging cells. Based on this notion, and on the known sensitivity of mast cells to modulation of histone acetylation, we here asked whether tryptase could impact on the responses against cellular stress caused by disturbed histone acetylation status. To address this, wild-type and tryptase-deficient (Mcpt6−/−) mast cells were subjected to cell stress caused by trichostatin A (TSA), a histone deacetylase inhibitor. Wild-type and Mcpt6−/− mast cells were equally sensitive to TSA at an early stage of culture (~8 weeks). However, in aging mast cells (>50 weeks), tryptase-deficiency led to increased sensitivity to cell death. To address the underlying mechanism, we assessed effects of tryptase deficiency on the expression of markers for proliferation and cell stress. These analyses revealed aberrant regulation of thioredoxin, thioredoxin reductase, glutaredoxin, and glutathione reductase, as well as blunted upregulation of ribonucleotide reductase subunit R2 in response to TSA in aging cells. Moreover, the absence of tryptase led to increased expression of Psme4/PA200, a proteasome variant involved in the processing of acetylated core histones. Altogether, this study identifies a novel role for tryptase in regulating the manifestations of cell stress in aging mast cells.
Effect of Substrate Temperature on the Optical and Electrical Properties of Nitrogen-Doped NiO Thin Films
Authors: Tian Yuan , Gong Lianguo , Qi Xueqian , Yang Yibiao , Zhao Xiaodan
Published: October 2019

NiO is a widely used p-type semiconductor. The desired optical and electrical properties of NiO vary in different application fields. To modulate the properties of NiO, nitrogen (N)-doped NiO thin films were synthesized by reactive radio-frequency magnetron sputtering on ITO-coated glass substrates. The influence of substrate temperature on the properties of NiO was investigated. XRD studies indicated a cubic structure. With the increase of the substrate temperature, the average transmittance in the visible region gradually reduced from 90% to 50%. The bandgap energy narrowed from 3.5 to 3.08 eV. The intensity of the PL spectra weakened, and the electrical conductivity rose. Overall, changing the substrate temperature is an effective method to modulate the optical and electrical properties of N-doped NiO thin films.
Aquaculture-Mediated Invasion of the Genetically Improved Farmed Tilapia (Gift) into the Lower Volta Basin of Ghana
Authors: Anane-Taabeah Gifty , Frimpong Emmanuel A. , Hallerman Eric
Published: October 2019

The need for improved aquaculture productivity has led to widespread pressure to introduce the Genetically Improved Farmed Tilapia (GIFT) strains of Nile tilapia (Oreochromis niloticus) into Africa. However, the physical and regulatory infrastructures for preventing the escape of farmed stocks into wild populations and ecosystems are generally lacking. This study characterized the genetic background of O. niloticus being farmed in Ghana and assessed the genetic effects of aquaculture on wild populations. We characterized O. niloticus collected in 2017 using mitochondrial and microsatellite DNA markers from 140 farmed individuals sampled from five major aquaculture facilities on the Volta Lake, and from 72 individuals sampled from the wild in the Lower Volta River downstream of the lake and the Black Volta tributary upstream of the lake. Our results revealed that two farms were culturing non-native O. niloticus stocks, which were distinct from the native Akosombo strain. The non-native tilapia stocks were identical to several GIFT strains, some of which showed introgression of mitochondrial DNA from non-native Oreochromis mossambicus. We also found that the non-native cultured tilapias have escaped into the wild and interbred with local populations, and also observed potentially admixed individuals on some farms. Our results highlight aquaculture as a vector in the spread of invasive non-native species and strains, and underscore the importance of genetic baseline studies to guide conservation planning for wild populations.
Result of Prospective Validation of the Trisomy Test® for the Detection of Chromosomal Trisomies
Authors: Sekelska Martina , Izsakova Anita , Kubosova Katarina , Tilandyova Petra , Csekes Erika , Kuchova Zaneta , Hyblova Michaela , Harsanyova Maria , Kucharik Marcel , Budis Jaroslav , Szemes Tomas , Minarik Gabriel
Published: October 2019

Noninvasive prenatal testing (NIPT) is one of the most common prenatal screening tests used worldwide. Trisomy Test® belongs to NIPT tests based on low-coverage whole-genome sequencing. In our prospective study, 7279 samples of pregnant women collected during approximately two years were analyzed. In this cohort, 117 positive cases for trisomies 21, 18, and 13 were reported. An in-house designed bioinformatic pipeline and proprietary biostatistical approach was used for the detection of trisomies. The pooled sensitivity and specificity of our test reached 99.12% and 99.94%, respectively. The proportion of repeatedly uninformative results after repeated blood draws was 1.11%. Based on the presented results, we can confirm that the Trisomy Test® is fully comparable with other commercial NIPT tests available worldwide.