bluuebunny/crossref_metadata_2025_split huggingface dataset:
Corrosion Inhibition of Carbon Steel in Extreme Sour Application Conditions
Authors: Adelusi Adedamola , Mok Wai Yeung , Olubodun Olaolu 
Published: May 2020

Abstract
Corrosion inhibition of carbon steel in sour oil and gas production at elevated temperatures (&gt;100°C) and under high shear stress presents a major challenge for operators, especially when compared to inhibition under sweet conditions. The formation of insoluble iron sulfide scales such as pyrrhotite which are less dense and easily break under high shear presents a major challenge with localized corrosion in extreme sour applications. The main objective of this project was to develop a novel sour corrosion inhibitor solution, which would provide both general and localised corrosion inhibition under such extreme conditions.
This paper presents key findings from a laboratory protocol designed to select a candidate sour corrosion inhibitor for a sour application. The laboratory tests were carried out in Hastelloy™ C 276 autoclave test rigs designed specifically for high temperature, high pressure, and high shear conditions in a sour environment. The test conditions were 135°C, with a shear stress of 92 Pascal, CO2 and H2S partial pressures of 3.1 and 6.2 bara respectively.
White light interferometry was used for surface analysis of the carbon steel coupons after the tests to compliment the corrosion rate data.
Results from the project showed the performance of a novel sour corrosion inhibitor specifically designed for high temperature sour gas applications. The corrosion inhibitor showed significant improvement in general and localised corrosion inhibition against carbon steel material compared to the traditional corrosion inhibitors typically used in sour environments. The product identified from the project has shown to provide better protection for carbon steel pipelines under extreme sour production conditions. Cost analysis confirmed that the chemical application could offer a more cost effective solution than the option of using corrosion resistant alloys.
The Influence of Fermented Mare’s Milk Processing Under Pressure of Gaseous Nitrogen on the Quality of Koumiss
Authors: Tatyana V. Kabanova  , Mariya V. Dolgorukova  , Sergey I. Okhotnikov  , Elena V. Tsaregorodtseva  , Sergey Yu. Smolentsev  , Ekaterina A. Savinkova  , Andrey V. Onegov  
Published: May 2020

The urgency of the problem of increasing the nutritional qualities of mare's milk is that, it has versatile uses. Many people traditionally prefer koumiss made of milk with high fat content, as it has good taste, mouth-watering appearance, high calorie content, helps to increase liver weight. In many patients, including tuberculosis, hypotrophic and malnourished due to a long and serious illness, the latter aspect is an important part of treatment. In the production of raw materials for baby and diet food, first of all, it is necessary to achieve an increase in the protein and fat content of mares, as well as to stabilize the content of valuable components in milk during lactation. Therefore, the search for methods for correcting the composition of dairy raw materials is relevant to industry issues. This article presents the results on the research of influence of Hydro mechanical processing on the physicochemical and microbiological properties of mare's milk. Milk processing treatment by gaseous nitrogen was carried out at laboratory-patented system. This method has not had a negative impact on its physical and chemical characteristics, but significantly increased the bactericidal life. The introduction of pure cultures of koumiss leaven in processed and not processed raw milk has reduced the acidity build-up to the optimal value allowing increase in the life of koumiss.
Peculiarities of respiratory pathology of young cattle in the lower Volga region Russian Federation
Authors: Ivan I. Kalyuzhny  , Ivan A. Nikulin  , Aleksandr M. Gertman  , Andrey A. Elenshleger  , Sergey Yu. Smolentsev  , Olga A. Gracheva  , Dina M. Mukhutdinova  , Zulfiyat M. Zukhrabova  
Published: May 2020

An important element in solving problems relating to the preservation of young cattle livestock and production increase of livestock products is a timely diagnosis, prevention and treatment of diseases of non-communicable etiology, among which one of the most common is bronchopneumonia. Therefore, the development of effective methods of treatment and prevention of this pathology is an urgent problem of veterinary medicine. Despite a large number of scientific researches, many issues of etiology, pathogenesis, treatment and prevention of this disease remain insufficiently studied, especially the state of the natural resistance of calves suffering from catarrhal bronchopneumonia, which is the basis for choosing a method of treatment and prevention of this disease. The disease leads to calves deep, sometimes irreversible disturbances of bronchopulmonary system functions. Lung function is one of the first to be disrupted, playing an important role in the protective immunological reactions of the body, through which there is an increase in virulence of microorganisms, which leads to the general intoxication and severe bronchopneumonia. The situation on non-specific bronchopneumonia of calves in the Lower Volga region is tense, but it is to the same extent as in other regions having problems with this pathology. It is obvious that the susceptibility of calves to respiratory diseases is formed under the influence of antenatal influences and is manifested in the presence of adverse environmental factors leading to depletion of reserves adaptation in the first months of animal life. The obtained set of regional characteristics of bronchopneumonia of non-infectious etiology allows to consider this pathology as an indicator of the ecological unwell-being of big cattle herds in the Lower Volga region.
Surveillance of OXA-244-producing Escherichia coli and epidemiologic investigation of cases, Denmark, January 2016 to August 2019
Authors: Hammerum Anette M , Porsbo Lone Jannok , Hansen Frank , Roer Louise , Kaya Hülya , Henius Anna , Møller Karina Lauenborg , Justesen Ulrik S , Søes Lillian , Røder Bent L , Thomsen Philip K , Wang Mikala , Søndergaard Turid Snekloth , Holzknecht Barbara Juliane , Østergaard Claus , Kjerulf Anne , Kristensen Brian , Hasman Henrik 
Published: May 2020

Background
Carbapenemase-producing Escherichia coli are increasing worldwide. In recent years, an increase in OXA-244-producing E. coli isolates has been seen in the national surveillance of carbapenemase-producing organisms in Denmark.

Aim
Molecular characterisation and epidemiological investigation of OXA-244-producing E. coli isolates from January 2016 to August 2019.

Methods
For the epidemiological investigation, data from the Danish National Patient Registry and the Danish register of civil registration were used together with data from phone interviews with patients. Isolates were characterised by analysing whole genome sequences for resistance genes, MLST and core genome MLST (cgMLST).

Results
In total, 24 OXA-244-producing E. coli isolates were obtained from 23 patients. Among the 23 patients, 13 reported travelling before detection of the E. coli isolates, with seven having visited countries in Northern Africa. Fifteen isolates also carried an extended-spectrum beta-lactamase gene and one had a plasmid-encoded AmpC gene. The most common detected sequence type (ST) was ST38, followed by ST69, ST167, ST10, ST361 and ST3268. Three clonal clusters were detected by cgMLST, but none of these clusters seemed to reflect nosocomial transmission in Denmark.

Conclusion
Import of OXA-244 E. coli isolates from travelling abroad seems likely for the majority of cases. Community sources were also possible, as many of the patients had no history of hospitalisation and many of the E. coli isolates belonged to STs that are present in the community. It was not possible to point at a single country or a community source as risk factor for acquiring OXA-244-producing E. coli.
MEMORY FORENSIC: ACQUISITION AND ANALYSIS OF MEMORY AND ITS TOOLS COMPARISON
Authors: Parekh Mital , Jani Snehal 
Published: May 2020

The enhancement of technology has led to a considerable amount of growth in number of cases pertaining to cyber-crime and has raised an enormous challenge to tackle it effectively. There are various cyber forensic techniques and tools used to recover data from the devices to tackle cyber-crime. Present research paper focuses on performing memory forensic and analyzes the memory which contains many pieces of information relevant to forensic investigation, such as username, password, cryptographic keys, deleted files, deleted logs, running processes; that can be helpful to investigate the cyber-crime pining down the accused. The three main steps followed in memory forensic are acquiring, analyzing and recovering. Recovery of the evidences of crime from the volatile memory can be possible with the knowledge of different tools and techniques used in memory forensic. However, it is always tough to analyze volatile memory as it stays for a very short period. Not all tools can be used for memory forensic in every situation and therefore, it is important to have the knowledge of tools before applying to solve a particular cyber-crime. It is yet to establish on using a single tool for complete investigation, however, most of the tools used are successful in providing reasonable evidences. The present research paper provides an insight on analyzing the memory that stores relevant data, collection of evidences from the device(s), extraction of essential data using different memory forensic tools, tools useful for various purposes and the best suited tool for a particular situation.
A REVIEW OF NOVEL APPROACH FOR REDUCTION IN SUB CARRIER PEAK TO AVERAGE POWER RATIO IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING
Authors: Sangar Manju , Mishra Professor Brijendra , Verma Professor Bhupendra 
Published: May 2020

In last few decades the demand for multimedia data services has grown up fastly. One of the most promising multicarrier system, Orthogonal Frequency Division Multiplexing (OFDM) allow large number of capacity the number of subcarriers, high data rates and ubiquitous coverage with high mobility. But OFDM is extensively affected by peak to average power ratio (PAPR). Unfortunately, the high PAPR inherent to OFDM signal envelopes will frequently drive high power amplifiers (HPAs) which are operate in the nonlinear region. The nonlinearity of the High Power Amplifier exhibits phase and amplitude distortions, which causes loss of orthogonality between the subcarriers; also (ICI) is introduced in the source signal. This dissertation is basically focused on PAPR reduction in OFDM system and measuring BER in different Modulation Technique. In PAPR reduction Signal companding methods have low complication, high distortion and spectral properties; however, we have limited PAPR reduction capabilities. Partial transmit sequences (PTS) and selected mapping (SLM), have also been considered for PAPR reduction. Such kind of techniques are very efficient and distortion less, Also the SLM is very good technique to the PAPR problem in single carrier system. This method has low complexity as well as it is data independent.
In this paper, we are describing a combine technique of SLM and PTS to minimize the PAPR. In PTS scheme, number of sub blocks increases; the IFFT block to be performed for sub blocks also increases. Simulation results have shown that the reductions of PAPR of proposed scheme is more than PTS and SLM methods as well as the difficulty reduced considerably.
Peningkatan Hasil Belajar Penyelesaian Masalah KPK dan FPB dengan Pendekatan Realistics Mathematics Education
Authors: Masrianti Masrianti 
Published: May 2020

<p><em>Penelitian ini dilatar belakangi oleh hasil belajar KPK dan FPB masih rendah, disebabkan karena siswa belum sepenuhnya mampu memecahkan permasalahan tentang KPK dan FPB, pada awal proses pembelajaran siswa jarang dilibatkan dalam pemecahan masalah mengenai KPK dan FPB, siswa belum bisa mengembangkan ide-idenya sendiri, kurangnya pemodelan dalam pembelajaran KPK dan FPB ini, kurang adanya interaksi antara siswa dan siswa. Untuk mengatasi hal ini, maka peneliti melalui penelitian ini melakukan tindakan dengan menerapkan Pendekatan RME untuk meningkatkan hasil belajar siswa. Tujuan dari penelitian ini adalah mendePenelitian Tindakan Kelaskan perencanaan, pelaksanaan, dan peningkatan hasil belajar KPK dan FPB di SDN. 10 Sungai Lundang Kecamatan Koto XI Tarusan.Jenis penelitian yang dilaksanakan adalah Penelitian Tindakan Kelas dengan menggunakan pendekatan kualitatif dan kuantitatif. Subjek penelitian guru dan siswa kelas IV SD dengan jumlah 22 siswa. Tekhnik pengumpulan data menggunakan observasi, tes dan dokumentasi. Analisis data menggunakan analisis data kualitatif yaitu reduksi data, penyajian data, kesimpulan dan analisis data kuantitatif yaitu analisis deskriptif. Penelitian dilaksanakan II siklus dan setiap siklus terdiri dari perencanaan, pelaksanaan, pengamatan, dan refleksi. Hasil penelitian menunjukkan peningkatan dari siklus I ke siklus II, perencanaan pembelajaran memperoleh nilai rata-rata dari 71,43 % menjadi 89,29 %. Aktivitas guru dari 67,5 % menjadi 87,5 %, aktivitas siswa dari 68,75 % menjadi 87,5 %, serta hasil belajar siswa pada aspek kognitif dari 66,13 terjadi peningkatan menjadi 81,02, pada aspek afektif dari 60,41 terjadi peningkatan menjadi 80,45, dan pada aspek psikomotor dari 59,46 terjadi peningkatan menjadi 81,44. Dengan demikian dapat disimpulkan bahwa pendekatan RME dapat meningkatkan hasil belajar penyelesaian masalah KPK dan FPB di kelas IV SDN. 10 Sungai Lundang Kecamatan Koto XI Tarusan. </em></p>
Evaluasi Kurikulum Berbasis Entrepreneur di Sekolah Menengah Kejuruan Negeri 4 Surakarta
Authors: Suci Puji Hujria 
Published: May 2020

<p align="justify"><em>Penelitian ini merupakan penelitian evaluasi (evaluation research) dengan menggunakan model CIPP (context, input, process, product). Penelitian ini dilaksanakan pada SMK N 4 Surakarta. Kurikulum entrepreneur diterapkan pada kompetensi keahlian Tata Busana dan Tata Boga. Populasi pada penelitian ini terdiri dari guru produktif sebanyak 38 responden, siswa kelas entrepreneur sebanyak 132 siswa dan siswa non entrepreneur (Kecantikan dan Perhotelan) sebanyak 108 responden sehingga total responden dari siswa sebanyak 240 responden. Teknik pengumpulan data dalam penelitian ini adalah angket, wawancara, chek list, dan dokumentasi. Uji validitas dilakukan dengan validitas isi yaitu expert judgement. Teknik analisis data yang digunakan adalah analisis deskriptif dan uji perbandingan antara siswa entrepreneur dengan siswa non entrepreneur (Kecantikan dan Perhotelan) dengan mengunakan uji Chi-square. Hasil penelitian menunjukan bahwa: (1) Kriteria Context, Input, Process, Product yang di peroleh dari An</em><em>g</em><em>ket A (Respon guru) dan angket B ( Respon siswa) Berdasarkan nilai Skweness menunjukan hasil yang baik dan perlu dipertahankan, (2) hasil perbandingan siswa entrepreneur dengan siswa non entrepreneur dengan uji Chi-square dari kriteria input, process, product menunjukan perbedaan yang signifikan</em><em>.</em><em></em></p>
Association between Rutherford Classification and CHA2DS2-VASc, CHADS2 and ASCVD Scores in Peripheral Artery Disease Patients
Authors: Karaduman Bilge Duran , Ayhan Hüseyin , Keles Telat , Bozkurt Engin 
Published: May 2020

Abstract
Background and Aim
The classification system is important in assessing the severity of Peripheral Artery Disease (PAD) and making the treatment decision. However, classification systems may not be sufficient and scoring systems developed to predict cardiovascular and cerebrovascular events can also be useful to assess the severity of PAD. In this study, our aim was to investigate the association of the Rutherford classification and CHADS2, CHA2DS2-VASc and ASCVD scores in PAD patients.

Method
A total of 65 consecutive patients with PAD (males 92.3%, mean age 63.0 ± 9.2 years), who underwent percutaneous peripheral intervention were included in our retrospective study.

Results
There were 16 patients in Category 2, 31 patients in Category 3, and 10 patients in Category 4 and eight patients in Category 5. The CHADS2, CHA2DS2-VASc and ASCVD scores were found to be significantly different among the Rutherford categories and between each other. From Category 1 to 5, CHADS2, CHA2DS2-VASc and ASCVD scores were significantly increased. When we grouped the scores as CHADS2 <2 and ≥2 and CHA2DS2-VASc <4 and ≥4, it was determined that as the category increased the score group also increased. There was significantly correlation between CHADS2, CHA2DS2-VASc and ASCVD scores with the Rutherford categories in correlation analyses.

Conclusion
As far as we know, in this study which is the first study about the association of Rutherford classification and scoring systems, the major finding of the present study is that the CHADS2, CHA2DS2-VASc and ASCVD scores was independently correlated with the severity of Rutherford Category in patients with PAD.
Circuito de atividades como ferramenta auxiliar na formação do educador ambiental
Authors: Barbado Norma , Kobren Juliana Conter Pereira , Santos Luciana Nunes dos , Cruz Paula Andréia Gomes da 
Published: May 2020

Em uma sociedade contemporânea a Educação Ambiental deve ser o início para o desenvolvimento do planejamento o ambiental, social, político, econômico e cultural. Este trabalho apresenta uma alternativa para estimular o desenvolvimento da Educação Ambiental nas escolas por meio de atividades lúdicas em circuito. O estudo foi aplicado aos acadêmicos do curso de Licenciatura em Ciências Biológicas no Instituto Federal do Paraná Campus Umuarama. O objetivo foi verificar a relevância das atividades lúdicas em circuito no processo de formação de educadores ambientais. Nesse sentido, espera-se que possam aplicar o sistema sugerido em sua práxis docente. Durante o estudo, os acadêmicos organizados em grupos participaram da execução de sete atividades em ordem delineada. Para avaliar a eficácia do sistema, foi aplicado um questionário visando mensurar a apropriação e o envolvimento dos participantes. Concluiu-se que as atividades lúdicas em circuito representam uma importante ferramenta para a Educação Ambiental.
La extinción de la relación laboral de las trabajadoras embarazadas durante el período de prueba tras el Real Decreto-Ley 6/2019, de 1 de marzo
Authors: Solà i Monells Xavier 
Published: May 2020

La aparición del Real Decreto-ley 6/2019 supone un importante paso adelante en la protección de las trabajadoras embarazadas frente a la extinción contractual durante el período de prueba, que hasta ese momento se había canalizado exclusivamente a través de la vía ordinaria de tutela de derechos fundamentales. El actual párrafo 2º del artículo 14.2 del TRLET extiende a esa tipología extintiva la nulidad objetiva y automática que dos décadas atrás se introdujo para los despidos disciplinario y objetivo, generando una presunción que solo puede romperse acreditando la falta de aptitud y/o adecuación de la trabajadora embarazada. No obstante, la nueva regulación también presenta algunas deficiencias, porque genera diversos interrogantes, tanto en relación con el colectivo beneficiario de la garantía como a su alcance objetivo, y se olvida de transponer la obligación de notificación escrita y motivada de la decisión extintiva establecida en el artículo 10.2 de la Directiva 92/85/CEE.
SİİRT İLİNDE BARAJ VE HİDROELEKTRİK SANTRALLERİNİN DIŞSALLIK ANALİZİ: BİR ALAN ARAŞTIRMASI
Authors: AKTUĞ Semih Serkant , ERDEMCİ Fırat , DAĞ Mehmet 
Published: May 2020

Gelişmekte olan ülkelerin en önemli ihtiyaçlarından biri hiç kuşkusuz enerji gereksinimidir. Enerji gereksinimleri çeşitli enerji kaynaklarından karşılanabilmektedir. Ancak günümüz dünyasında ülkeler enerji ihtiyacını, daha ekonomik ve daha çevreci anlayışla elde etme politikasıyla hareket etmektedir. Yenilenebilir bir enerji kaynağı olan baraj ve hidroelektrik santralleri (HES) enerji ihtiyacını karşılamak isteyen ülkeler için ön plana çıkmaktadır. Nitekim ülkemizde de son yıllarda daha çok su enerjisi üzerine yatırımlar yapılmaktadır. Bu yatırımların bir kısmı Siirt ilinde gerçekleşmektedir.
Bu çalışmanın amacı Siirt ilinde yapılmış ve yapımı devam eden baraj ve HES projelerinin ortaya çıkaracağı dışsal etkilerin incelenmesidir. Bilindiği gibi baraj ve HES projelerinin yapım ve işletme süresince ekonomik, sosyal, kültürel, çevresel vb etkiler ortaya çıkma durumu söz konusudur. Çalışmada Siirt ilinde yapılmış ve yapımı devam eden baraj ve HES projelerinin olası dışsal etkilerin belirlenmesi amacıyla, yüz yüze anket çalışması yapılmıştır. Elde edilen anket analiz verileri neticesinde baraj ve HES projelerinin hem negatif hem de pozitif dışsallık etkisine neden olduğu bulgusuna ulaşılmıştır.AbstractOne of the most important needs of developing countries is undoubtedly the energy necessity. Energy requirement has become vital for developing societies. Energy needis supplied from various energy sources. However today’s nations are struggling in fulfilling their energy needs with a more economical and more environmental perspective. Dams and hydroelectric power plants (HEPP), which are a renewable energy source, come to the fore for countries that want to supply for their energy needs. Thus, in recent years, energy investments focus on water energy in our country as well. Some of these investments are made in Siirt province. The aim of this study is to examine external influence of completed and ongoing dams and hydroelectric plants in the Siirt province. As known, dams and hydroelectric power plants are causing social, cultural and environmental outcomes during construction and operation period. For determination of the external effects of the completed and ongoing dams and hydroelectric power plants in the Siirt province a survey has been conducted. As a result of the analysis of the survey data obtained, it was found that dam and HEPP projects cause both negative and positive externality effects.Key Words: Dam, Hydroelectric Plant, Externality, Siirt, Survey.
Sodium Dodecyl Sulfate Polyacrylamide Gel Electrophoretic Expression of Serologic Proteins from Sera of Patients with Gastric Cancer
Authors: Ayub Iqra , Tanveer Zunera , Sadaf Hina , Ahmad Irshad , Talat Roha , Farooq Muhammad , Khan Muhammad Ali , Ullah Asad 
Published: May 2020

There are different proteins with different concentrations present in human serum, post-translational modifications or aberrant expression of these proteins are reported as signs which indicate the process of carcinogenesis in human body. Gastric cancer (GC) ranks second in causing death and fourth in prevalence between all cancers, globally. In recent studies, GC accounts for 8% of the total cancer cases, 10% of the deaths for all cancers and 70% of the cases occurring in developing countries. The aim of the present study was to profile the differentially expressed serologic proteins using Sodium Dodecyl Sulfate Polyacrylamide Gel Electrophoresis. In this study fifty serum samples of gastric cancer patients and ten healthy donors were screened by SDS PAGE to estimate the expression of proteins and to compare the up regulation of these proteins with the healthy donors used as control. The results showed that three different proteins were differentially expressed in GC patients while comparing with healthy donors used as control which can be further used as biomarkers to diagnose gastric cancer in its early stages.