bluuebunny/crossref_metadata_2025 huggingface dataset:
Application of Project Management in Epidemic Prevention and Control: A Case Study of Shanghai
Authors: Qian Jiahao , Xiao Ai , Yang Peiqi
Published: August 2022

COVID-19 is one of the hot topics in current research. Most researchers have summarized the basic methods and overall processes to deal with COVID-19. However, there are optimal solutions for the most effective COVID-19 response processes. Therefore, this paper summarizes and analyzes the optimal solutions for COVID-19. The research topic of this paper is the prevention and treatment of COVID-19. The research methods of this paper are as follows: first, we will understand the detection and screening methods of COVID-19; second, we will analyze the main methods to stop the spread of the epidemic; finally, we will use the formula to evaluate the risk and analyze the most efficient treatment process. The analysis and improvement methods in this paper can help government departments and relevant organizations better control the epidemic, accurately implement containment, and play an important role in the deployment of medical resources and the identification and screening of COVID-19 patients.
Research on Quality Management of Airport Service Product
Authors: Li Jing
Published: August 2022

To attract more passengers to choose flights as the most efficient and comfortable transportation, to appeal to more retailers to increase non-aviation income, to draw more airlines to buy airport service products, more and more airports are spending more money and energy on research how to improve quality of service product. This thesis analyzed many domestic and international literature, mainly based on the PMBOK Guide of PMI, and summarized the principles which are suitable for the quality management of airport service products. Then it combined with the successful cases of airports around the world to explore methods to improve product quality for three objects: passengers, retailers, and airlines.
Sharpe-Ratio Related Portfolio Selection
Authors: Dong Zhenghao
Published: August 2022

This article investigates the criteria that individual investors should consider within the Sharpe Ratio perspective. Based on risk, return, and correlation, this research used Excel program to find the optimal portfolio and efficient frontier which offer the highest expected return for a defined level of risk or the lowest risk for a given level of expected return. Among the historical real data of 16 assets, this study found that the optimal portfolio contains assets that has lowest correlation and highest individual risk/return ratio. With this finding, investors can pick combination of domestic and international stocks from different sectors that has low correlation while maintain highest individual risk/return ratio. Therefore, the individual investors can tailor their own risk tolerance to build personalized portfolio with highest Sharpe Ratio.
Exploring The Medical Burden of Thyroid Tumour Patients Under the Reform of Critical Illness Insurance in China: In the Patient's Subjective Perspective
Authors: Zhang Shuyuan , Chang Le , Zou Tian
Published: August 2022

In late October 2020, the final proposal of the New Definition of Critical Illness Insurance passed the review of the CBRC and thyroid cancer - a cancer with a high incidence rate - became a graded benefit according to its severity. Taking the clinical treatment of thyroid tumours as an example, this paper explores patients' subjective perceptions of the post-reform medical burden through questionnaires and field interviews in collaboration with the Department of Thyroid Surgery of West China Hospital of Sichuan University and using sample data from across China. Based on the impact of the critical illness insurance reform, suggestions are made for optimising the path of reform promotion and building a new pattern of shared medical care among patients, insurance companies and the government.
A Study on the Future Economic Trends in the World
Authors: Yu Kehan
Published: August 2022

The economy can be defined as a set of financial transactions between two or more consumer companies in different countries or regions. Thus, the economic trend can be thought of as an indicator that depicts the financial nature. For instance, economy refers to a specific nation. In most cases, the economic growth of a country relies on factors that affect its growth. Analysis of economic trends is challenging since the macroeconomics outcomes are affected by geopolitical conditions. Economic growth has been at declined since 2016 and has remained unchanged. Economic activities, foreign investment, global trade and global development in terms of the economy strengthened. However, in 2020, the economic trend has been influenced by the variant Covid-19 infection. The main objective of this research paper is to define the future trends of economic growth in terms of decline in commodity price, decline price of energy, economical marketing development and emergence, unpredictable flow of income, and global projections.
An empirical analysis of second-hand house transaction prices based on machine learning
Authors: Cai Yi
Published: August 2022

The Beijing real estate market is one of the most developed and representative real estate markets in China. As of May 25, 2016, Beijing accounted for 88.2% of the market residential transactions, and the Beijing property market has fully entered the era of second-hand houses. Therefore, the price of second-hand houses in Beijing can be judged by studying the factors influencing the price of second-hand houses in Beijing, and the study has theoretical significance. Taking Beijing second-hand houses as the research object, the data source is mainly designed as a crawler to mine the data and obtain the transaction attribute information of chain house network, and the data sample size is 2000 items in total [1]. In this paper, we obtained the important variables affecting the house price through multiple model analysis and predicted the data of 100 unknown house prices.
Empirical Analysis of Financial Statement and Common Valuation Methods
Authors: Chen Mingrui , Ni Yunting
Published: August 2022

Business valuations are often used today by stakeholders to estimate the economic value of the benefits a business generates. In this case, financial market participants use a variety of valuation methods to determine the price they are willing to pay or accept to achieve a stock sale. Therefore, this paper conducts financial statement analysis and common valuation methods on the basis of Airbus annual report, and then evaluates some other factors that affect valuation. The study found that Airbus got rid of high leverage and implemented sustainable development in recent years. The stock price based on common valuation methods is lower than the market value. However, this paper believes that due to the current situation of Airbus and the capital market, the current market value is reasonable.
Analysis on the Causes of Italian Economic Recession after the 1990s
Authors: Kong Lingqing
Published: August 2022

Italy is the world's tenth largest economies, one of the four big economies in Europe, but since there are many problems of its economic development, Italy had been mires in three recessions since 2008. In recent years, development situation is not optimistic because of the hit of COVID-19 pandemic; expect that, the influence of European debt crisis also made the Italian economy could not return to the past economic level. Being faced with the pressure of epidemicpreventionandcontrolas well as the recession risks, containing a recession seems extremely difficult for Italy. This article will start from the chronic illness of Italy's economic development, combined with the Italian economy development history after the Second World War and investigate the key causes of the Italian economic downturn. Italy used to be the birthplace of the Roman Empire, with a remarkable history and glorious culture;it also had its own moment of glory in the modern economic history. In the 1950 s until the end of the 1960 s, it witnessed a lasted 20 years of rapid economic growth, which is called "economic miracle" of Italy. Nowadays, this prosperity period is long gone, and Italy even be seen as Europe's "white elephant".Fierce outbreak of novel corona virus since 2020, Italian domestic epidemic is raging. And the increasingly rigorous anti-epidemic measures not only made the local people "flee at the news", but also act as a daunting prospect try for the investors, then cause a full-blown attack on the weak Italian economy. Since 2000, there is an almost zero growth in Italian economy, and falls into the predicament of the recession after 2008. Therefore, with the spread of the epidemic, now Italy's economic risk has been close to the edge of the cliff.
The Function of Shanghai as a Global Central City: A comparison with London
Authors: Li Zhiyuan , Zhang Haojun
Published: August 2022

As a global central city, Shanghai is gradually playing a pivotal role in the world. We first introduce the current situation of Shanghai's development. At the same time, it analyzes the urban function of Shanghai as a global central city from three aspects: economic function, social function, and cultural function. Then we make a SWOT comparison between Shanghai and London, two typical world cities, and analyze the unique urban advantages of Shanghai. Finally, we put forward some possible improvement suggestions for Shanghai-based on the analysis results.
Traffic accessibility analysis of major cities in the Yangtze River Delta under the integration of regional development
Authors: Xu Yifan , Huang Yunyan , Xie Jing
Published: August 2022

The Yangtze River Delta region is one of the regions with the highest economic development dynamics in China, and the importance of its transportation hub status is self-evident. This paper selects the indicator of traffic accessibility and adopts the weighted time cost method to analyze the traffic accessibility and equilibrium of major cities in the Yangtze River Delta region, and draws the following conclusions: (1) the improvement of traffic accessibility can drive the economic development of the city (2) the highway accessibility of cities in the Yangtze River Delta is high, which proves that the city roads in the region are well paved and the road travel is convenient; (3) the railroad accessibility of the Yangtze River Delta city cluster is low, so the railway paving needs to be accelerated in the regional city development planning, and thus the shortage of road travel needs to be completed. accessibility is low, so in the regional urban development planning, railroad paving needs to accelerate the pace, and then make up for the shortcomings.
Correlation between Internet Literacy and Vocabulary Level
Authors: Casibual Joseph P , Nacua Julrem B
Published: August 2022

In-depth research on reading comprehension receives less attention in basic education, despite the fact that the problem is just as critical, if not more so, in this pandemic era. This study aims to learn the dynamics of reading comprehension to draw a conclusion on the phenomenon. Terry (2022) observed a strong connection between vocabulary and reading comprehension. However, meager studies have correlated two variables – Internet Literacy (IV) and Vocabulary Level (DV) – with combined implications for Reading Comprehension. With the globalization of online learning, urban demography's visibility was catered with 83 Senior High School students as respondents. The data revealed a low correlation. Generally, the high mean for online literacy and high mean in the performed evaluation showed the participants' awareness of how to use the digital side of learning and a decent vocabulary level. Null Hypothesis II was accepted in this research. Interestingly, this low correlation could be affected by the students' internal and external strategies, which created an impetus for their reading comprehension aside from digital utilization.
Detecting Malicious Facebook Applications
Authors: Sucharita Dr.V.
Published: August 2022

With daily installs, third-party Apps may be a very important cause for the recognition and attractiveness of Facebook or any on-line social media. Sadly, cyber criminals get return to appreciate the potential of victimisation apps for spreading spam and malware. we have a tendency to notice that a minimum of thirteen of Facebook apps within the dataset ar sometimes malevolent. but with their findings , many problems like fake profiles, malicious applications have put together grown There are not any potential solutions to those issues. throughout this project, we have a tendency to tend to return up with a framework that automatic detection of malicious applications is possible and is economical. Suppose there is a Facebook application, can the Facebook user verify that the app is malicious or not. actually the Facebook user cannot establish that so The key contribution is in developing the primary tool dedicated to detection deceitful apps on Facebook is FRAppE-Rigorous Facebook's Application authority. we have a tendency to tend to leverage information nonheritable from the posting behaviour of Facebook applications seen by uncountable Facebook users to develop FRAppE. initial we have a tendency to establish a collection of options that facilitate United States to research malicious from benign ones. Second, investing these identifying options ,where we have a tendency to show that FRAppE will discover malicious apps with ninety five.9% accuracy. Finally, we have a tendency to explore the ecosystems of malicious Facebook apps and establish mechanisms that these apps use to unfold. Key Words:apps, malicious, on-line social networks.
MANAJEMEN MUTU PENINGKATAN DAYA SAING LULUSAN PERGURUAN TINGGI BERBASIS PESANTREN
Authors: Ahmad Zarkasyi
Published: August 2022

This article reveals the contribution of the education quality system in increasing the competitiveness of Miftahul Ulum Lumajang Islamic Boarding School graduates. This type of research is qualitative with a case study approach, data obtained from interviews, observations, and documentation, then analyzed by condensing, displaying data, and drawing conclusions. The research findings show that quality of the Miftahul Ulum Lumajang Islamic Boarding School education system begins with the integration of visions between institutions under the auspices of the Miftahul Ulum Lumajang Foundation. They were followed by setting goals and strategies for improving the academic quality of students through three models of quality development, namely coaching in the recitation, extracurricular activities, and activities in the pesantren environment.

Keywords: quality managemeny, the competitiveness of graduates, College University, pesantren.
On Results Between Matrix Division and Some other Matrix Operations
Authors: KELEŞ Hasan
Published: August 2022

In this study, the relationships between matrix division and some matrix properties such as transpose, simplification, and expansion are discussed. Unless otherwise stated, our matrices are real number matrices. The relationship between our definitions of column co-divisor and row co-divisor of a matrix on another matrix is examined. Equality and differences of these connections are observed. The validity of the provided features is discussed under which conditions. These features have been determined. Examples are given for features that do not. Some of the obtained properties bring different solutions to the solution of linear equation systems, which are encountered in the literature and are more used. This led us to examine the relationship between the defined division operation and transpose. Investigations on this subject enabled the presentation of new definitions, lemmas and theorems. Examination of these offered a broader perspective on the given mathematical expressions.
Biodegradation of Various PAHs Compound
Authors: Niranjan Avi , Patel Sweta
Published: August 2022

Polycyclic aromatic hydrocarbons (PAHs), including Phenanthrene, are commonly found as pollutants in soils, estuarine, sediments, and terrestrial and other aquatic ecosystems. The Phenanthrene degrading bacterial degradation of Naphthalene, Anthracene, Fluoranthene, Benzo[a]pyrene were reviewed. Many bacteria have the potential and capability to degrade PAHs contaminated sites and are consequently recommended for bioremediation. The biodegradation ability can be evidenced by different methods like gas chromatography and flame ionization detector.
PHÂN LẬP Phytophthora capsici VÀ ĐÁNH GIÁ KHẢ NĂNG CHỐNG CHỊU BỆNH CHẾT NHANH CỦA MỘT SỐ GIỐNG HỒ TIÊU TRONG ĐIỀU KIỆN THÍ NGHIỆM
Authors: Châu Mai Hải , Hương Trần Thị
Published: August 2022

Hồ tiêu (Piper nigrum L.) là một trong những cây trồng xuất khẩu quan trọng của Việt Nam. Các mặt hàng hạt tiêu của Việt Nam xuất khẩu chiếm 58% sản lượng tiêu xuất khẩu của thế giới. Tuy nhiên, sản lượng tiêu của Việt Nam đang phải đối phó với các vấn đề về dịch bệnh, đặc biệt là bệnh chết nhanh do Phytophthora capsici gây ra. Từ 50 mẫu đất vùng rễ cây hồ tiêu có biểu hiện bệnh chết nhanh thu thập tại huyện Cẩm Mỹ, Vĩnh Cửu tỉnh Đồng Nai và huyện Châu Đức tỉnh Bà Rịa – Vũng Tàu, đã phân lập được 5 dòng P. capsici. Kết quả nghiên cứu cho thấy, cả 5 dòng P. capsici phân lập đều thể hiện khả năng gây bệnh chết nhanh trên lá cây hồ tiêu. Trong đó, dòng có ký hiệu M1V7 KL được phân lập từ mẫu đất vùng rễ cây hồ tiêu bị bệnh thu thập tại vùng trồng hồ tiêu huyện Châu Đức tỉnh Bà Rịa – Vũng Tàu có khả năng gây bệnh cao nhất. Sau khi lây nhiễm động bào tử P. capsici (M1V7 KL) trên các giống hồ tiêu Srilanka, tiêu Vĩnh Linh và tiêu Trâu trong điều kiện phòng thí nghiệm và nhà lưới, giống tiêu Trâu thể hiện khả năng chống chịu bệnh do P. capsici cao nhất với tỷ lệ bệnh và chỉ số bệnh thấp nhất trong các giống tham gia thí nghiệm.
KHẢ NĂNG KHÁNG NẤM VÀ SINH CHẤT KÍCH THÍCH SINH TRƯỞNG THỰC VẬT CỦA VI KHUẨN NỘI SINH PHÂN LẬP TỪ CÂY BƯỞI
Authors: Hằng Nguyễn Thị Thu , Trung Đỗ Quang , Thời Trần Thị
Published: August 2022

Vi khuẩn sống nội sinh trong các mô của cơ thể thực vật có thể mang lại những lợi ích khác nhau cho cây chủ nhờ tiềm năng tạo ra các chất có hoạt tính sinh học. Từ các mô lá, thân và rễ của cây Bưởi, 19 chủng vi khuẩn nội sinh đã được phân lập. Kết quả sàng lọc chủng vi khuẩn hữu ích cho thấy có hai chủng vi khuẩn (kí hiệu BT1.1 và BT1.3) vừa có khả năng đối kháng nấm gây bệnh trên cây Bưởi, vừa sinh các chất có tác dụng kích thích sinh trưởng thực vật. Vi khuẩn BT1.1 có phần trăm ức chế sinh trưởng (GI%) nấm Fusarium solani và Penicillium digitatum tương ứng là 31,56% và 29,27%, sinh 13,12 µg/ml IAA, cố định 3,31 mg/ml nitơ, chỉ số hòa tan phosphate (SI) 2,57 và hoạt tính phân giải cellulose (IS) 3,25. Chủng BT1.3 có giá trị ức chế nấm Fusarium solani và Penicillium digitatum tương ứng là 32,44% và 26,42%, tổng hợp 4,91 µg/ml IAA, cố định 4,40 mg/ml nitơ, giá trị SI trong thí nghiệm hòa tan lân đạt 2,22 và giá trị IS thể hiện hoạt tính cellulase là 3,33.
XÁC ĐỊNH MỘT SỐ TRÌNH TỰ ADN MÃ VẠCH CỦA LOÀI ĐINH MẬT (Fernandoa brilletii ) TẠI TỈNH THÁI NGUYÊN
Authors: Hồng Hà Bích , Hưởng Nguyễn Thế , Vy Vũ Phạm Thảo , Thông Vũ Văn
Published: August 2022

Đinh mật (Fernandoa brilletii (Dop) Steen) là loài cây đặc hữu và có giá trị kinh tế cao ở Việt Nam. Đây là loài cây đang có nguy cơ tuyệt chủng cao ngoài tự nhiên nhưng đến nay chưa có nghiên cứu đánh giá đầy đủ nhằm bảo tồn và phát triển loài cây này. Do đó, những nghiên cứu phục vụ công tác đánh giá đa dạng di truyền là rất cần thiết để kiến nghị và đưa ra biện pháp bảo tồn nguồn gen đối với loài Đinh mật trên cả nước nói chung và trên địa bàn tỉnh Thái Nguyên nói riêng. Hiện nay, ADN mã vạch đã được sử dụng như những chỉ thị phân tử có độ chính xác cao trong việc định danh loài và đánh giá đa dạng di truyền. Ở thực vật, các trình tự ADN được sử dụng làm mã vạch trong giám định hay phân loại thường là các trình tự nucleotide thuộc hệ gen lục lạp và hệ gen nhân, bao gồm cả vùng mã hóa và vùng không mã hóa. Trong nghiên cứu này, ba chỉ thị ADN mã vạch là matK, trnH-psbA và ITS được sử dụng để nghiên cứu bước đầu về ADN mã vạch cho loài Đinh mật phân bố tại tỉnh Thái Nguyên. Hiệu quả nhân bản bằng PCR và giải trình tự nucleotide của ba chỉ thị ADN mã vạch ở loài Đinh mật đều đạt 100%. Trong đó, trình tự nucleotide của đoạn gen matK và trnH-psbA của tất cả các mẫu Đinh mật tại 5 huyện của tỉnh Thái Nguyên có sự tương đồng tuyệt đối. Trong 848 nucleotide của vùng gen ITS đã xác định được hai vị trí nucleotide sai khác giữa các mẫu Đinh mật nghiên cứu. Các trình tự matK, trnH-psbA và ITS của loài Đinh mật được đăng ký thành công trên Ngân hàng gen Quốc tế (GenBank) với các mã số lần lượt là ON603621, ON603622, ON614190, ON614191. Cở sở dữ liệu về ADN mã vạch thế giới cũng như Ngân hàng gen Quốc tế chưa công bố trình tự ADN mã vạch nào của loài Đinh mật. Do đó, nghiên cứu này là nghiên cứu đầu tiên về xác định các trình tự ADN mã vạch cho loài cây gỗ quý và đặc hữu này, góp phần làm phong phú thêm cơ sở dữ liệu về ADN mã vạch cho hệ thống ADN mã vạch của thực vật.
NGHIÊN CỨU MỘT SỐ TÍNH CHẤT ĐẤT CANH TÁC CÂY HOA MÀU TẠI XÃ HƯNG ĐẠO, HUYỆN TIÊN LỮ, TỈNH HƯNG YÊN
Authors: Hương Nguyễn Hoàng , Nhâm Trần Thị , Kha Trần Tuấn , Dung Nguyễn Thị , Hiền Phạm Thị
Published: August 2022

Nghiên cứu một số tính chất của đất canh tác cây hoa màu tại xã Hưng Đạo, huyện Tiên Lữ, tỉnh Hưng Yên được thực hiện với 15 mẫu đất trên các diện tích trồng 3 loài cây chủ yếu: Bí đỏ, Cà chua và Đậu Cove. Kết quả nghiên cứu cho thấy: Tính chất vật lý đất khu vực nghiên cứu có dung trọng dao động từ 0,90 – 1,20 g/cm3, tỷ trọng từ 2,20 – 2,70 g/cm3, độ xốp 50,20 – 66,40%, đạt yêu cầu của tầng đất canh tác. Số liệu phân tích có độ lệch chuẩn thấp, với khoảng tin cậy từ ± 0,03 đến ± 2,74. Đất có phản ứng trung tính đến hơi kiềm (pHKCl từ 5,8 – 7,8). Chất hữu cơ trong đất dao động 3,00 – 4,10%. Đạm tổng số dao động từ 0,06 – 0,45%; Hàm lượng P2O5 tổng số dao động từ 0,09 – 0,38%; Hàm lượng K2O tổng số từ 0,50 – 3,00%. Hàm lượng kim loại nặng (Cu, Pb, Zn) trong đất đều thấp hơn ngưỡng cho phép. Tính chất đất và hàm lượng các kim loại nặng trong đất đều thỏa mãn các điều kiện về trồng cây hoa màu theo quy định hiện nay của Bộ Nông nghiệp và Phát triển nông thôn.
ĐẶC ĐIỂM VẬT LIỆU CHÁY DƯỚI TÁN RỪNG TRỒNG KEO LAI (Acacia auriculiformis x mangium) Ở TRẠI THỰC NGHIỆM CỦA PHÂN HIỆU TRƯỜNG ĐẠI HỌC LÂM NGHIỆP TẠI HUYỆN TÁNH LINH, TỈNH BÌNH THUẬN
Authors: Hường Phạm Văn , Việt Lê Hồng , Luận Phạm Thị
Published: August 2022

Nghiên cứu đặc điểm vật liệu cháy (VLC) dưới tán rừng trồng Keo lai ở 4 cấp tuổi (trạng thái) khác và dự báo cấp cháy cho các trạng thái rừng trồng tại Trại thực nghiệm Tánh Linh, tỉnh Bình Thuận. Thông qua dữ liệu quan trắc, theo dõi đặc điểm VLC ở 120 ô mẫu (ODB), trong thời gian từ tháng 11/2021 đến 4/2022, kết quả nghiên cứu cho thấy: Khối lượng VLC trung bình dưới tán rừng Keo 1 là 5,6 tấn/ha, Keo 2 là 5,5 tấn/ha, Keo 3 là 5,0 tấn/ha và ở rừng Keo 4 là 5,2 tấn/ha. Mvlc có xu hướng giảm dần từ đầu mùa khô đến cuối mùa khô. Độ ẩm của VLC ở rừng Keo 3 tương đồng với ở Keo 1 và cao hơn so với các trạng thái rừng Keo 2 và Keo 4, ở cuối mùa khô thì độ ẩm VLC giảm, nguy cơ cháy rừng tăng cao. Độ che phủ (DCP) và độ dày (Day) của VLC phụ thuộc mạnh mẽ vào trạng thái rừng. Độ ẩm (Wvlc) và độ xốp (dx) của vật liệu cháy dưới tán rừng ảnh hưởng và chi phối mạnh mẽ đến nguy cơ cháy rừng. Sử dụng hàm hồi quy tuyến tính, đa biến phù hợp để dự báo nguy cơ cháy rừng dựa theo đặc điểm VLC. Mùa cháy rừng bắt đầu từ đầu tháng 11 năm trước và kéo dài đến cuối tháng 4 năm sau. Tháng 12, 1 và 2 hàng năm là các tháng trọng điểm cháy rừng. Diện tích rừng Keo 3 và 4 có nguy cơ xảy ra cháy ở cấp IV và V chiếm tỷ lệ khá cao, cần tập trung áp dụng các biện pháp phòng cháy bằng cách giảm khối lượng VLC ở các lâm phần của rừng trồng Keo lai có nguy cơ xảy ra cháy ở cấp IV và V trong các tháng cao điểm của mùa cháy.
ẢNH HƯỞNG CỦA TỶ LỆ PHỐI TRỘN GIỮA PHẾ LIỆU VÁN BÓC VÀ PHẾ LIỆU SỢI TRE ĐẾN MỘT SỐ TÍNH CHẤT CỦA VÁN COMPOSITE TRE - GỖ
Authors: Phước Lê Ngọc , Toàn Bùi Đình , Loan Nguyễn Thị , Hùng Nguyễn Min
Published: August 2022

Trong bài báo này, tấm ván composite từ phế liệu ván bóc gỗ Keo và phế liệu sợi tre được tạo ra sản phẩm có kích thước 18 x 400 x 650 mm, sản phẩm sử dụng chất kết dính Phenol Formaldehyde (PF) và được ép với áp lực 3 MPa, nhiệt độ ép là 135oC trong khoảng thời gian là 80 s/mm chiều dày. Tỷ lệ phối trộn phế liệu ván bóc - phế liệu sợi tre theo 5 mức: 8-2; 6-4; 5-5; 4-6; 2-8; sử dụng phương pháp trộn hỗn hợp, không phân lớp. Bài báo tập trung nghiên cứu sự ảnh hưởng của tỷ lệ phối trộn đến khối lượng riêng áp dụng tiêu chuẩn TCVN 5694-1014, độ trương nở áp dụng tiêu chuẩn TCVN 7756-5-2007 và độ bền uốn tĩnh áp dụng tiêu chuẩn TCVN 7756-6-2007. Kết quả cho thấy: Khối lượng riêng thấp nhất thuộc về loại ván có tỷ lệ phối trộn 8-2, đạt giá trị 0,57 g/cm3 và khối lượng riêng lớn nhất thuộc về loại ván có tỷ lệ phối trộn 2-8, đạt giá trị 0,76 g/cm3; Độ trương nở chiều dày lớn nhất thuộc loại ván có tỷ lệ phối trộn 8-2, đạt giá trị 8,55% và độ trương nở chiều dày nhỏ nhất thuộc loại ván có tỷ lệ phối trộn 2-8, đạt giá trị 5,08%; Độ bền uốn của ván cao nhất thuộc về loại ván có tỷ lệ phối trộn 2-8, có giá trị 23,53 MPa, và nhỏ nhất thuộc loại ván có tỷ lệ phối trộn 8-2, có giá trị 15,07 MPa.
ĐỊNH HƯỚNG TÁI CƠ CẤU NGÀNH NÔNG NGHIỆP TỈNH GIA LAI THEO HƯỚNG NÂNG CAO GIÁ TRỊ GIA TĂNG VÀ PHÁT TRIỂN BỀN VỮNG ĐẾN NĂM 2030, ĐỊNH HƯỚNG ĐẾN NĂM 2040
Authors: Phương Hoàng Xuân , Quế Phạm Thanh , Cúc Bùi Thị , Bích Nguyễn Thị , Dinh Ngô Thị , Long Ngô Văn
Published: August 2022

Nghiên cứu được thực hiện tại tỉnh Gia Lai nhằm đề xuất được định hướng tái cơ cấu ngành nông nghiệp tỉnh Gia Lai theo hướng nâng cao giá trị gia tăng và phát triển bền vững đến năm 2030, định hướng đến năm 2040. Kết quả nghiên cứu cho thấy giai đoạn 2016-2020, tốc độ tăng trưởng bình quân nông lâm thủy sản đạt khá 5,18%/năm. Cơ cấu kinh tế chuyển dịch đúng hướng. Nhiều chỉ tiêu đã đạt và vượt nhưng vẫn còn chỉ tiêu chưa đạt kế hoạch đề ra. Trên cơ sở phân tích tiềm năng lợi thế của tỉnh, nghiên cứu đã đề xuất được phương án tái cơ cấu nông nghiệp tới năm 2030, đó là duy trì tốc độ tăng trưởng khoảng 5,99-6,0%; cơ cấu nông nghiệp 95,86%; lâm nghiệp 2,3% và thủy sản 1,46%. Sản xuất tập trung vào thâm canh, ứng dụng công nghệ cao trong sản xuất và chế biến, theo quy trình VietGAP, có liên kết và chuyển đổi diện tích những cây già cỗi, năng suất thấp sang các cây con có giá trị kinh tế cao, tăng quy mô của rau hoa, cây ăn quả, cây dược liệu, chăn nuôi lợn và gia cầm; tận dụng tiềm năng để phát triển thủy sản; phát triển kinh tế rừng, nâng độ che phủ lên 50% năm 2030 và 50,2% năm 2040. Để thực hiện thành công phương án tái cơ cấu ngành nông nghiệp cần thực hiện đồng bộ các nhóm giải pháp, trong đó tập trung vào hoàn thiện cơ chế chính sách, ứng dụng công nghệ cao, chuyển đổi số, phát triển các liên kết chuỗi giá trị, phát triển thị trường, đầu tư cơ sở hạ tầng, cơ sở chế biến nông sản…
Experimental Study on Physico-Chemical Parameters of Ground Water at Peth Seer Sopore J&K
Authors: Akhter Sumaya , Rathore Richika , Rasoo Tanveer
Published: August 2022

Human activities, use of fertilizers and chemicals in agricultural fields are the main causes of ground water contamination. Therefore to protect and improve the natural eco system, water quality analysis is essential. The main goal of this work is to study the criteria governing the groundwater quality in the nearby wells of Peth Seer, Sopore J&K. Total 12 groundwater samples and 15 water quality parameters for each sample are considered in this study. The ground water samples of all the selected stations were collected for a physiochemical analysis. For calculating present water quality status, following 16 parameters have been considered Viz. pH, TDS, EC, Chloride concentration, Nitrate concentration, Sulphate concentration, Alkalinity, Fluoride concentration, Total hardness, Magnesium, Calcium, Sodium, Potassium, Temperature, Turbidity, Residual chlorine. The obtained results are compared with WHO (2017). The study reveals that the concentrations of all the constituents are well within the permissible limits of WHO (2017). Groundwater in the study area is suitable for drinking purpose as prescribed by WHO (2017) and irrigation purposes as prescribed by IS-11624(1986).
Designing Information Obligations in EU Consumer and Energy Law
Authors: van Schagen Esther , Baaij Jaap , Rueda Isabelle
Published: August 2022

Designing Information Obligations in EU Consumer and Energy Law: Behavioural Research and Legal Design as ‘Best Available Evidence’

This article argues that behavioural and legal design insights should become of pivotal importance in the preparation of information obligations in European Union consumer law. Such insights should be considered as ‘relevant’ and ‘best available’ evidence in the sense of the Better Regulation Guidelines and Toolbox because these provide invaluable insights into how consumers process information. Even more than the amended Enforcement and Modernisation Directive, the current revision of the Energy Efficiency Directive illustrates that the inclusion of both behavioural and legal design insights lead to information obligations that are shorter, more accessible and thus potentially more effective.
The Use of Evidence in Evidence-Based Legislation
Authors: Princen Sebastiaan
Published: August 2022

The Use of Evidence in Evidence-Based Legislation: A Reflection

This article reflects on the contributions to the Special Issue on evidence-based legislation. It argues that both normative questions about how evidence should be used and factual questions about how evidence actually is used in legislation require a reflection on the nature of ‘evidence’ and its role in the crafting and application of legislation. Based on the understanding that the answers to these questions are intimately linked with the ideas, values and interests that underpin legislation, the article explores three specific issues: the burden of evidence in legislation and lawmaking (who needs to produce evidence about what), the criteria for determining what counts as ‘good’ evidence, and the various purposes for which evidence is used in legislation and legislative processes. Reflecting on these issues may help to reach a more balanced and nuanced view on the role of evidence in evidence-based legislation and the ways in which the law and legal analysis can facilitate the fruitful use of evidence.
Reasoning Towards Utopia
Authors: Davies Gareth
Published: August 2022

Reasoning Towards Utopia

In his book, Hesselink measures European Contract Law against the standards of several classical so-called normative political theories. This gives an idea of how European Contract Law fits within a certain intellectual landscape, but there are two things it does not do: it does not tell us how European Contract Law relates to some of the burning issues of the day, and it does not tell us what consequences European Contract Law would actually have. In a time of crisis, should we celebrate the cool cerebral quality of the book’s analysis, or be frustrated that it does not tell us what to do?
De inhoud van het begrip inboedel: een evoluerend concept
Authors: van der Beek-Lugten R. , Schenk J.W.A. , van Veen T.S.
Published: August 2022

De inhoud van het begrip inboedel: een evoluerend concept

Artikel 3:5 BW geeft een definitie voor het begrip inboedel: ‘het geheel van tot huisraad en tot stoffering en meubilering van een woning dienende roerende zaken, met uitzondering van boekerijen en verzamelingen van voorwerpen van kunst, wetenschap of geschiedkundige aard’. De auteurs zijn in de praktijk evenwel verschillende keren tegen het vraagstuk aangelopen wat eigenlijk onder de uitzonderingen valt. Zij onderzochten de totstandkoming van het artikel 3:5 BW en de (wettelijke) interpretaties daarvan. Ze concluderen dat huns inziens het begrip inboedel behelst het geheel van tot huisraad en tot stoffering en meubilering van een woning tot blijvend gebruik dienende roerende zaken, met uitzondering van boekerijen en (verzamelingen van) voorwerpen van kunst, wetenschap of geschiedkundige aard.
Developments and scope for the use of hydrogen in future combustion engines
Authors: Pesyridis Apostolos
Published: August 2022

With electrification still found wanting when it comes to heavier vehicles and modes of transportation, marine, rail and large commercial on- and off-highway applications are seen as the main applications where internal combustion engines (ICE) fed with non-fossil hydrocarbons and hydrogen (H2) can play an important role. Hydrogen IC engines can provide a durable, reliable, and cost-efficient solution based on well-known existing technology, contributing to a fast transition towards carbon-free mobility. The following view provides a summary of the main roles (and a few challenges) associated with H2ICE employment.
Archaeobotanical Studies in Poland – Historical Overview, Achievements, and Future Perspectives
Authors: Badura Monika , Lityńska-Zając Maria , Makohonienko Mirosław
Published: August 2022

Archaeobotany is the study of relationships between humans and the plant world in the past based on the analysis of plant remains preserved at archaeological sites. These studies provide us an opportunity to elucidate the history of farming economy based on transformations of plants and the natural environment caused by human activities. The present review aims to track the history of development of archaeobotanical studies in Poland, which have influenced our contemporary way of perceiving the past, as well as to present the selected and most important achievements in this field. Specifically, we emphasize the enormous contribution of Polish studies to broadening our understanding of the botanical past of Europe and the world. To the best of our knowledge, this work represents the first comprehensive attempt to summarize over a hundred-year-old activity of archaeobotanists in Poland.
Broncholithiasis mimicking lung cancer
Authors: Abalı Hülya
Published: August 2022

A 64-year-old female patient was admitted to our outpatient clinic with pleuritic chest pain, non-productive cough, and dyspnea. She expectorated three stones (lithoptysis) before bronchoscopy. She underwent positron emission tomography-computed tomography, which revealed a hyper metabolic mass in the right upper lobe of her lung. Three months later, the mass formation appeared as a patchy consolidation in the first control thoracic computed tomography examination. In conclusion, postobstructive consolidation due to broncholithiasis, which is very rare, should be kept in mind in the differential diagnosis of hyper metabolic mass. The simplest incidental diagnostic finding of broncholithiasis is the rare lithoptysis.
Outcomes of pulmonary rehabilitation after lung resection in patients with lung cancer
Authors: Şahin Hülya , Naz İlknur , Aksel Nimet , Güldaval Filiz , Gayaf Mine , Yazgan Serkan , Can Ceylan Kenan
Published: August 2022

Background: In this study, we aimed to examine the effectiveness of pulmonary rehabilitation applied after resection in patients with lung cancer.

Methods: Between October 2017 and December 2019, a total of 66 patients (53 males, 13 females; median age: 65 years; range, 58 to 70 years) who underwent lung resection for non-small cell lung cancer and who were not administered any chemotherapy or radiotherapy regimen were included in the study. An eight-week comprehensive outpatient pulmonary rehabilitation program was applied to half of the patients, while the other half received respiratory exercise training. After the intervention, the results of both groups were compared.

Results: In the pulmonary rehabilitation group, forced vital capacity value (p=0.011), six-minute walking distance (p<0.001), and Short Form-36 physical function, mental health, vitality scores increased significantly, while all scores of St. George's Respiratory Questionnaire, dyspnea (p<0.001) and anxiety score (p=0.041) significantly decreased. In the group given breathing exercise training, only dyspnea (p=0.046) and St. George?s Respiratory Questionnaire symptom scores (p=0.038) were decreased. When the changes in the groups after pulmonary rehabilitation were compared, the decrease in dyspnea perception was significantly higher in the pulmonary rehabilitation group (p<0.001).

Conclusion: Pulmonary rehabilitation program applied after lung resection in patients with non-small cell lung cancer reduces dyspnea and psychological symptoms, increases exercise capacity, and improves quality of life. It should be ensured that patients with lung cancer who have undergone lung resection are directed to the pulmonary rehabilitation program and benefit from this program.
How long should it be insisted on rigid bronchoscopy in the treatment of postintubation tracheal stenosis in accordance with different stenosis classification systems?
Authors: Fatih Sezer Hüseyin , Eliçora Aykut
Published: August 2022

Background:In this study, we aimed to investigate the effectiveness of isolated rigid bronchoscopy used in the treatment of postintubation tracheal stenosis by its relationship with the most frequently used classifications, our own classification Stenosis Index, stenosis dimensions and its combinations.

Methods:Between March 2010 and July 2020, a total of 39 patients (16 males, 23 females; mean age: 41.5±20.7 years; range, 15 to 72 years) who had isolated rigid bronchoscopic dilation as a result of postintubation tracheal stenosis were retrospectively analyzed. The duration of treatment, the number of procedures, and the success of the treatment of patients were analyzed according to the most frequently used classifications and compared to our new classification.

Results:A statistically significant difference was found between the Stenosis Index groups in terms of the number of procedures and duration of treatment (p<0.01, p<0.01, respectively). No statistically significant differences were observed among the most frequently used classifications in terms of number of procedures and duration of treatment. The Stenosis Index classification groups most consistently reflected the success rate of the procedure, the number of procedures, the duration of the treatment and the rate of patients resected.

Conclusion:The Stenosis Index classification was considered to be a more effective parameter than the most frequently used classifications on the decision to give the patients with postintubation tracheal stenosis a chance to treat with bronchoscopic dilations procedure before resection.
The factors associated with progression of tricuspid regurgitation after left-sided double valve replacement in propensity score matched analysis
Authors: Aksoy Rezan , Karagöz Ali , Çevirme Deniz , Dedemoğlu Mehmet , Hancer Hakan , Kılıçgedik Alev , Bülent Rabus Murat
Published: August 2022

Background: This study aims to investigate the association of progression of tricuspid regurgitation following double-valve replacement by comparing the tricuspid valve repair and no repair groups, and to analyze outcomes of patients with non-repaired mild-to-moderate tricuspid regurgitation.

Methods: Between January 2014 and September 2017, a total of 157 patients (74 males, 83 females; mean age: 51.7±13.7 years; range, 18 to 78 years) who underwent aortic and mitral valve replacements with/without concomitant tricuspid valve repair were retrospectively analyzed. The patients were divided into two groups: no-repair (n=78) and repair groups (n=79). The primary outcome measure was development of more than moderate tricuspid regurgitation during follow-up.

Results: The data were evaluated according to propensity score matched analysis. The progression of tricuspid regurgitation was significantly increased in the no-repair group (p=0.006). Rheumatic etiology was independently associated with the presence of postoperative moderateto- severe tricuspid regurgitation (p=0.004, odds ratio: 3.40). There was no statistically significant difference between the groups in terms of the potential complications and mortality and survival rates. A multivariable subgroup analysis for the baseline mild-to-moderate tricuspid regurgitation without repair showed that rheumatic etiology was an independent factor for the progression of postoperative tricuspid regurgitation (p=0.01).

Conclusion: Our study results demonstrated that rheumatic etiology was an independent marker for increased tricuspid regurgitation and it was also independently associated with increased tricuspid regurgitation in patients with mild-to-moderate non-repaired patients. The degree of tricuspid regurgitation was improved in the repair group during follow-up.
Anesthesia induction regimens may affect QT interval in cardiac surgery patients: A randomized-controlled trial
Authors: Dede Şule , Aslı Demir Zeliha , Balcı Eda
Published: August 2022

Background:The aim of this study was to investigate the effects on QT interval of the propofol-ketamine combination and the midazolam-fentanyl combination in anesthesia induction for cardiac surgery.

Methods:Between September 2020 and June 2021, a total of 9 5 c ardiac s urgery p atients ( 80 m ales, 1 5 f emales; mean age: 57±9.1 years; range, 26 to 76 years) were included. The patients were divided into two groups as Group PK (propofol-ketamine, n=50) and Group MF (midazolam-fentanyl, n=45). The 12-lead electrocardiographic and hemodynamic measurements were performed at three time points: before anesthesia induction, after anesthesia induction, and after endotracheal intubation. The measurements were evaluated with conventional Bazett's formula and a new model called index of cardio-electrophysiological balance.

Results:The evaluated QTc values of 95 patients after anesthesia induction were significantly prolonged with the Bazett's formula and the index of cardio-electrophysiological balance in Group PK (p=0.034 and p=0.003, respectively). A statistically significant QTc prolongation was observed with the index of cardio-electrophysiological balance after laryngoscopy and endotracheal intubation in Group PK (p=0.042). Hemodynamic parameters were also higher in Group PK.

Conclusion:Our study shows that the propofol-ketamine combination prolongs the QTc value determined by the Bazett's formula and the index of cardio-electrophysiological balance model. Using both QTc measurement models, the midazolam-fentanyl combination has no prolongation effect on QTc interval in coronary surgery patients.
Infective endocarditis after transcatheter approach versus surgical pulmonary valve replacement: A meta-analysis
Authors: Ijlal Çekirdekçi Elif , Bugan Barış , Çağatay Onar Lütfi , Çekirdekçi Ahmet
Published: August 2022

Background: In this meta-analysis, we aimed to assess the risk of infective endocarditis in transcatheter versus surgical pulmonary valve replacement patients.

Methods: We systematically searched PubMed, Cochrane, EMBASE, Scopus, and Web of Science for the studies that reported the event rate of infective endocarditis in both transcatheter and surgical pulmonary valve replacement between December 2012 and December 2021. Random-effects model was used in the meta-analysis.

Results: Fifteen comparison groups with 4,706 patients were included. The mean follow-up was 38.5±3.7 months. Patients with transcatheter pulmonary valve replacement had a higher risk of infective endocarditis than patients receiving surgically replaced valves (OR 2.68, 95% CI: 1.83-3.93, p<0.00001). The calculated absolute risk difference was 0.03 (95% CI: 0.01-0.05), indicating that if 1,000 patients received a surgical valve replacement, 30 cases of infective endocarditis would be prevented. A meta-regression of follow-up time on the incidence of infective endocarditis was not statistically significant (p=0.753).

Conclusion: Although transcatheter pulmonary valve replacement is a feasible alternative to surgical replacement in severe right ventricular outflow tract dysfunction, the higher incidence of infective endocarditis in transcatheter replacement remains a significant concern. Regarding this analysis, surgical treatment of right ventricular outflow tract dysfunction is still a viable option in patients with prohibitive risk.
Legal Consequences of Delaying the Obligation to Repay Home Ownership Loans by Debtors Affected by the Covid-19 Pandemic
Authors: Alihamna Muhammad Syauqie
Published: August 2022

The government has declared the Covid-19 pandemic to be an emergency rather than a natural disaster based on Presidential Decree No. 12 of 2020, which has a very detrimental impact on the debtor, especially Home Ownership Credit debtors because it is unavoidable and unpredictable. The government through the Financial Services Authority issued POJK 11 / POJK.03 / 2020 concerning National Economic Stimulus as an effort to save the economy in the form of providing credit relaxation due to the co-19 pandemic. Therefore, research was conducted to find out and analyze the legal consequences of postponing the obligation to repay mortgage loans by debtors affected by the co-19 pandemic. The results of the study found that the legal consequences of granting credit delays or home ownership credit financing at Bank BTN Syariah Banda Aceh are changes in the agreement between the creditor and the debtor in terms of the implementation of the rights and obligations of the parties to the credit agreement, but the credit agreement is not canceled or canceled.
Comparative Evaluation of Heavy Metal Concentration in Water and Sediment, Choba Segment of New Calabar River, Port Harcourt, Nigeria
Authors:   Department of Fisheries and Aquatic Environment, Rivers State University, Port Harcourt            2Department of Fisheries and Aquaculture, Delta State University, Abraka, Delta State, Otene B.B , Ikpinima G ,   Department of Fisheries and Aquatic Environment, Rivers State University, Port Harcourt            2Department of Fisheries and Aquaculture, Delta State University, Abraka, Delta State, Nyiradee S.D ,   Department of Fisheries and Aquatic Environment, Rivers State University, Port Harcourt            2Department of Fisheries and Aquaculture, Delta State University, Abraka, Delta State
Published: August 2022

The heavy metal concentration in water and sediment, Choba segment of New Calabar River, Port Harcourt was investigated between February and April, 2020. Samples collected from the three locations were analysed in the laboratory for heavy metals using Atomic Absorption Spectrophotometer (AAS) following standard method of APHA. The mean values of heavy metal in water (mg/l) were: Cr (2.29±1.29), Ni (2.32±0.28), Pb (2.46±0.38), Cd (0.04±0.02), Fe (52.18±7.26) while that of sediment were: Cr (7.18±0.43), Ni (5.57±0.29), Pb (8.09±0.39), Cd(0.30±0.15), Fe (123.64±5.17). The heavy metal values showed variations across the stations at P<0.05. The order of concentration of heavy metal in water was: Fe>Pb>Ni>Cr>Cd while that of sediment is Fe>Pb>Cr>Ni > Cd with heavy metal concentration in sediment higher than that of water while Fe and Cd concentrations were highest and lowest in both water and sediment respectively. All the heavy metals in water except Ni exceeded the permissible limits of World Health Organisation (WHO), Federal Environmental Protection Agency (FEPA) while that of sediment were below the permissible limits except Fe. It was concluded from the results that Choba segment of the New Calabar River is under stress since the heavy metals apart from Nickel (Ni) present were above the permissible limit. This implies that the quality of the water is unsafe for use especially for domestic purpose if untreated owing to the on-going anthropogenic activities in the area. Therefore, regulatory standards for discharges from anthropogenic activities should be strictly controlled