scholarly journals KEBUTUHAN ASAM LEMAK ESENSIAL PADA IKAN LAUT

2011 ◽  
Vol 7 (2) ◽  
pp. 93 ◽  
Author(s):  
Henneke Pangkey
Keyword(s):  
Essential Fatty Acids ◽  
Normal Growth ◽  
Aquatic Organism ◽  
Nutrient Elements ◽  
Key Factors ◽  
High Quality ◽  
Human Needs ◽  
The World ◽  
Organism Growth ◽  
Nutrition Value

ABSTRACTAquaculture has contributed one third of the world is supply of seafood. This contribution is expected to increase in the future. Based on this reason, aquaculture is potential to continually provide food for human needs. One of the key factors to the success of aquaculture is the supply of nutritious feed. Feeding with food of right nutrition value will produce healthy and high quality fish. One of the nutrient elements that plays an important role in aquatic organism growth is lipid. Lipids in the form of essential fatty acids are highly required not only for broodstock and larvae, but also for normal growth of marine fish.ABSTRAKAkuakultur telah memberikan kontribusi sebesar sepertiga kebutuhan dunia akan produk makanan laut, dan akan terus bertambah di masa depan. Dipandang dari sudut ini, akuakultur memiliki prospek untuk menjadi usaha berkelanjutan dalam menyediakan pangan bagi populasi manusia yang terus bertambah. Salah satu faktor yang menentukan keberhasilan dalam usaha akuakultur adalah penyediaan pakan dengan kandungan nutrisi yang optimal. Pemberian pakan dengan komponen nutrisi yang tepat dapat menghasilkan ikan yang sehat dan berkualitas tinggi. Salah satu komponen nutrisi yang sangat berperan dalam pertumbuhan biota akuakultur adalah lipida. Lipida berupa asam lemak esensial sangat dibutuhkan baik oleh induk dan larva, juga untuk pertumbuhan secara normal ikan laut.

USE OF ESSENTIAL FATTY ACIDS AND THEIR ROLE IN THE HUMAN ORGANISM DEVELOPMENT

2018 ◽  
Vol 28 (4) ◽  
pp. 1219-1225
Author(s):  
Filip Jovanovski ◽  
Toni Mitrovski ◽  
Viktorija Bezhovska
Keyword(s):  
Fatty Acids ◽  
Unsaturated Fatty Acids ◽  
Essential Fatty Acids ◽  
Normal Growth ◽  
The Body ◽  
Human Nutrition ◽  
Human Organism ◽  
Working Ability ◽  
The World ◽  
Growth Development

Food is not just a pleasure in life, it is also an important factor for our health. Human nutrition is a mixture of nutrients, which are the only source of energy needed for survival. Energy-poor diet endangers many life functions, and above all the working ability. In the world, the meaning of the diet is very serious, and hence the demands for a –rational, healthy and safe diet are growing. Human nutrition contains saturated and unsaturated fatty acids. Essential fatty acids (EFAs) must be ingested in everyday diet because the body does not produce it. They are very important for human health. They are present in each cell of the human body and are an important factor for the normal growth, development and functioning of cells, muscles, nerves and organs. They are also used in the production of certain hormones - such as prostaglandins, which are crucial for the performance of certain important processes. The deficit from EFAs is due to a number of health problems, including more serious diseases.

scholarly journals The role of trematode parasites as a nutritional food source for higher trophic level consumers

2021 ◽  
Author(s):  
Keira M. McKee
Keyword(s):  
Fatty Acids ◽  
Aquatic Ecosystems ◽  
Essential Fatty Acids ◽  
Aquatic Organism ◽  
Primary Energy ◽  
Trophic Levels ◽  
Organism Growth ◽  
Reserve Lipid ◽  
Lipid Stores ◽  
Trematode Parasites

Recently, there has been a call for the inclusion of free-living stages of trematode parasites in food web models as they are present in high numbers in aquatic ecosystems and serve as prey for higher trophic levels. I investigated the presence of lipids in cercariae, specifically neutral energy reserve lipid stores and long-chain polyunsaturated fatty acids (LC-PUFA), as they are considered the primary energy currency in aquatic ecosystems. Cercariae of all investigated taxa contained distinct neutral lipid compositions and Ribeiroia ondatrae cercariae had significant quantities of total lipids, as well as essential fatty acids (EFA). I also investigated the viability of cercariae as prey items for dragonfly larvae (Leucorrhinia intacta) and detected indistinguishable proportions of EFA in larvae subsisting on equivalent quantities of R. ondatrae and Daphnia spp. This suggests that cercariae may contribute to nutrient subsidies in aquatic ecosystems, thereby supporting aquatic organism growth and fitness.

scholarly journals The role of trematode parasites as a nutritional food source for higher trophic level consumers

2021 ◽  
Author(s):  
Keira M. McKee
Keyword(s):  
Fatty Acids ◽  
Aquatic Ecosystems ◽  
Essential Fatty Acids ◽  
Aquatic Organism ◽  
Primary Energy ◽  
Trophic Levels ◽  
Organism Growth ◽  
Reserve Lipid ◽  
Lipid Stores ◽  
Trematode Parasites

Recently, there has been a call for the inclusion of free-living stages of trematode parasites in food web models as they are present in high numbers in aquatic ecosystems and serve as prey for higher trophic levels. I investigated the presence of lipids in cercariae, specifically neutral energy reserve lipid stores and long-chain polyunsaturated fatty acids (LC-PUFA), as they are considered the primary energy currency in aquatic ecosystems. Cercariae of all investigated taxa contained distinct neutral lipid compositions and Ribeiroia ondatrae cercariae had significant quantities of total lipids, as well as essential fatty acids (EFA). I also investigated the viability of cercariae as prey items for dragonfly larvae (Leucorrhinia intacta) and detected indistinguishable proportions of EFA in larvae subsisting on equivalent quantities of R. ondatrae and Daphnia spp. This suggests that cercariae may contribute to nutrient subsidies in aquatic ecosystems, thereby supporting aquatic organism growth and fitness.

Analysis Criteria for Choosing Energy Efficient High-Quality Light Sources and Luminaires

2018 ◽  
pp. 113-119
Author(s):  
Gennady Ya. Vagin ◽  
Eugene B. Solntsev ◽  
Oleg Yu. Malafeev
Keyword(s):  
Energy Efficiency ◽  
Energy Efficient ◽  
National Standards ◽  
Light Sources ◽  
The European Union ◽  
High Quality ◽  
Eu Directive ◽  
The World ◽  
A New Technique ◽  
Energy Labelling

The article analyses critera applying to the choice of energy efficient high quality light sources and luminaires, which are used in Russian domestic and international practice. It is found that national standards GOST P 54993–2012 and GOST P 54992– 2012 contain outdated criteria for determining indices and classes of energy efficiency of light sources and luminaires. They are taken from the 1998 EU Directive #98/11/EU “Electric lamps”, in which LED light sources and discharge lamps of high intensity were not included. A new Regulation of the European Union #874/2012/EU on energy labelling of electric lamps and luminaires, in which these light sources are taken into consideration, contains a new technique of determining classes of energy efficiency and new, higher classes are added. The article has carried out a comparison of calculations of the energy efficiency classes in accordance with GOST P 54993 and with Regulation #874/2012/EU, and it is found out that a calculation using GOST P 54993 gives underrated energy efficiency classes. This can lead to interdiction of export for certain light sources and luminaires, can discredit Russian domestic manufacturer light sources and does not correspond to the rules of the World Trade Organization (WTO).

BROADCASTING PRODUCTS OF THE RADIO STATION «LVIVSKA KHVYLYA»: THE GENRE AND THEMATIC CHARACTERISTICS

2019 ◽  
Vol 25242644 ◽  
pp. 54-57
Author(s):  
Vitalii Handziuk
Keyword(s):  
Radio Station ◽  
High Quality ◽  
Fm Radio ◽  
The World

The main principles of developing of a program concept, target, genre-thematic and audience intended purposes of the Ukrainian FM-radio station «Lvivska khvylya» radio series are considered. It’s concluded that the radio «Lvivskа khvylya» successfully creates the actual, original content of the broadcast, hold onto the genres of radio journalism and the formula of radio success – a beautiful and cheerful mood, a friendly and relaxed atmosphere, a lively conversation; promptly informs the audience about current and important events in the country and in the world; journalists create high-quality content – informational, analytical, entertainment and musical radio series.

نُدرة الموارد وعلاقتها بالبيئة من وجهة نظر إسلاميّة The Issue of Scarcity of Resources and Its Relationship to the Environment

2014 ◽  
Vol 11 (1) ◽  
pp. 01
Author(s):  
حسن بن إبراهيم الهنداوي (Hassan Hendawi)
Keyword(s):  
Natural Resources ◽  
Human Existence ◽  
Economic Resources ◽  
Human Beings ◽  
Human Needs ◽  
Modern Economy ◽  
The People ◽  
The World ◽  
Scarcity Of Resources ◽  
Economic Dilemma

الملخّصإنّ الفقر والإملاق من المشكلات الرئيسة التي يواجهها العالم اليوم، ومن أسبابها ندرة الموارد الاقتصادية الشديدة وندرة الغذاء والماء. فندرة الموارد وقلتها كانت ذات أثر مباشر في قتل الملايين من الأنفس البشريّة. وتعدّ ندرة الموارد عند الاقتصاديين الخطر الأساس الذي يهدد الوجود البشري في هذا العصر. ويعتبرها الاقتصاديّون كذلك معضلة اقتصادية ناتجة عن رغبات الإنسان غير المتناهية مقابل موارد محدودة ومتناهية. ومن الأمور التي يقترحها الاقتصاديون من اجل التغلب على هذه المشكلة أن النّاسن ينبغي عليهم أن يختاروا الموارد الضرورية والحاجية لتلبية رغباتهم. فمفهوم الندرة من منظور الاقتصاد التقليدي يعني موارد محدودة في العالم مقابل حاجات ورغبات غير محدودة. وسبب ذلك عند الاقتصاديين أن الطبيعة لا توفر موارد كافية لتلبية حاجات الناس ورغباتهم غير المتناهية. ونظرة الإسلام التي يمثلها القرآن الكريم والسنة النبوية الشريفة لمسألة الندرة نظرة مختلفة تماما عن نظرة الاقتصاد التقليدي. ويعنى هذا البحث ببيان أن الندرة ليست مشكلة الطبيعة التس سخّرها الله تعالى للإنسان،  ولكن المشكلة في أخلاقيات الناس وتصرفاتهم في الموارد الطبيعية وطريقتهم في الانتفاع بها التي أدت إلى إدخال الضرر والفساد على الموارد الموجودة.الكلمات المفتاحية: الإسلام، ندرة الموارد، الاقتصاد المعاصر، الموارد الطبيعية، الطبيعة. **************************************               AbstractAmong the main problems that the world is facing today are poverty and destitution caused by severe scarcity of economic resources and the scarcity of food and water. The lack of resources has already caused the death of millions of human beings. The scarcity of resources is counted by economists as the primary danger that threatens the human existence. Economists also consider it an economic dilemma caused by infinite human desires against limited and finite resources. In order to overcome this problem among the suggestions made by economists is that human beings should choose only necessary resources to satisfy their desires. The conventional concept of scarcity is that the resources in the world are limited vis-à-vis the unlimited human needs and desires. The reason for that according to economists is that the nature does not provide sufficient resources to meet people’s endless needs and desires. Islamic approach as represented by the Holy Qur’an and the Sunnah to the issue of scarcity is essentially different from the conventional viewpoint of economists. This paper proposes and explains that the problem is not in the nature which Allah has made subservient to man, but it is in the ethics of the people and their behaviour and way of utilization of natural resources, which ultimately damage and corrupt the available resources.Keywords: Islam, Scarcity of Resources, Modern Economy, Environmental Resources, Nature.

A Bibliometric Analysis of Global Research on Lophomonas sp. in Scopus (1933-2019)

2020 ◽  
Vol 20 ◽  
Author(s):  
Masoud Keighobadi ◽  
Maryam Nakhaei ◽  
Ali Sharifpour ◽  
Ali Akbar Khasseh ◽  
Sepideh Safanavaei ◽  
...  
Keyword(s):  
Bibliometric Analysis ◽  
International Collaboration ◽  
Research Articles ◽  
High Quality ◽  
The Real ◽  
The Us ◽  
The World ◽  
Scopus Database ◽  
Number Of Publications ◽  
Global Research

Background: This study was designed to analyze the global research on Lophomonas spp. using bibliometric techniques. Methods: A bibliometric research was carried out using the Scopus database. The analysis unit was the research articles conducted on Lophomonas spp. Results: Totally, 56 articles about Lophomonas spp. were indexed in the Scopus throughout 1933-2019 ( 87 years ) with the following information: (A) The first article was published in 1933; (B) 21 different countries contributed in studies related to Lophomonas spp.; (C) China ranked first with 16 publications about Lophomonas spp.; and (D) “Brugerolle, G” and “Beams, H.W.” from France and the US participated in 4 articles respectively, as the highest number of publications in the Lophomonas spp. network. Discussion: After 87 years, Lophomonas still remains unknown for many researchers and physicians around the world. Further studies with high quality and international collaboration are urgently needed to determine different epidemiological aspects and the real burden of the mysterious parasite worldwide.

scholarly journals A dataset on affiliation of venture capitalists in China between 2000 and 2016

2021 ◽  
Vol 8 (1) ◽  
Author(s):  
Jin Chen ◽  
Tianyuan Chen ◽  
Yifei Song ◽  
Bin Hao ◽  
Ling Ma
Keyword(s):  
Data Sources ◽  
Venture Capitalists ◽  
High Quality ◽  
Public Agency ◽  
Multiple Data Sources ◽  
Multiple Data ◽  
Multi Stage ◽  
The World ◽  
Prior Literature ◽  
Innovation And Entrepreneurship

AbstractPrior literature emphasizes the distinct roles of differently affiliated venture capitalists (VCs) in nurturing innovation and entrepreneurship. Although China has become the second largest VC market in the world, the unavailability of high-quality datasets on VC affiliation in China’s market hinders such research efforts. To fill up this important gap, we compiled a new panel dataset of VC affiliation in China’s market from multiple data sources. Specifically, we drew on a list of 6,553 VCs that have invested in China between 2000 and 2016 from CVSource database, collected VC’s shareholder information from public sources, and developed a multi-stage procedure to label each VC as the following types: GVC (public agency-affiliated, state-owned enterprise-affiliated), CVC (corporate VC), IVC (independent VC), BVC (bank-affiliated VC), FVC (financial/non-bank-affiliated VC), UVC (university endowment/spin-out unit), and PenVC (pension-affiliated VC). We also denoted whether a VC has foreign background. This dataset helps researchers conduct more nuanced investigations into the investment behaviors of different VCs and their distinct impacts on innovation and entrepreneurship in China’s context.

scholarly journals Capital Structure Decisions around the World: Which Factors Are Reliably Important?

2015 ◽  
Vol 50 (3) ◽  
pp. 301-323 ◽  
Author(s):  
Özde Öztekin
Keyword(s):  
Capital Structure ◽  
Firm Size ◽  
Creditor Protection ◽  
High Quality ◽  
Large Sample ◽  
The World ◽  
Adjustment Speed ◽  
Target Leverage ◽  
Debt Holders

AbstractThis article examines the international determinants of capital structure using a large sample of firms from 37 countries. The reliable determinants for leverage are firm size, tangibility, industry leverage, profits, and inflation. The quality of the countries’ institutions affects leverage and the adjustment speed toward target leverage in significant ways. High-quality institutions lead to faster leverage adjustments, whereas laws and traditions that safeguard debt holders relative to stockholders (e.g., more effective bankruptcy procedures and stronger creditor protection) lead to higher leverage.

X-Ray Microanalysis of Art Glass Surfaces

2010 ◽  
Vol 18 (5) ◽  
pp. 28-31
Author(s):  
R.B. Simmons
Keyword(s):  
Heavy Metals ◽  
Low Cost ◽  
Metallic Surfaces ◽  
High Quality ◽  
X Ray ◽  
Skin Contact ◽  
Work Area ◽  
The World ◽  
Glass Surfaces ◽  
Glass Workers

In recent years there has been a virtual explosion in the world of art glass. New glass formulations have brought a host of new colors into the marketplace, and the availability of low-cost, high-quality torches and other tools has brought art glass to the hobbyist. In addition to burn risks and possible cutting injury, there are a number of less obvious hazards that should be known to novice glass workers. One of these is the presence of heavy metals in or on glass surfaces and possibly in the atmosphere immediately surrounding the work area, presenting both potential skin contact and inhalation hazards. This study examines the metallic surfaces generated on five glass colors commonly used in art glass jewelry.

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