scholarly journals Sampling commitment—and what it takes…

2019 ◽  
pp. 24-28
Keyword(s):  
Case Histories ◽  
Representative Sampling ◽  
Know How ◽  
Technology Industry ◽  
Current State ◽  
Theory Of Sampling

This column concludes the first series of Sampling Columns. More will appear in a sequel series, mainly aimed at presenting practical examples, case histories, demonstrations—all of which will assume that the value of only practicing representative sampling has been fully acknowledged and the relevant know how has been comprehended. Here, we end the first educational exposé of the Theory of Sampling (TOS) by focusing on the current state of awareness and with an acknowledgement of the need to involve TOS in all relevant international scientific fora, in technology, industry and in the commercial marketplace.

An Assessment on the Benefits of Additive Manufacturing Regarding New Swirler Geometries for Gas Turbine Burners

2018 ◽  
Author(s):  
Fabrice Giuliani ◽  
Nina Paulitsch ◽  
Daniele Cozzi ◽  
Michael Görtler ◽  
Lukas Andracher
Keyword(s):  
Additive Manufacturing ◽  
Gas Turbine ◽  
Inconel 718 ◽  
Advanced Materials ◽  
Gas Turbine Combustor ◽  
Engineering Research ◽  
Know How ◽  
Current State ◽  
Research And Education ◽  
Near Future

In the near future, combustion engineers will shape the burner according to the flame, and not the opposite way anymore. In this contribution, this idea is explored with the help of additive manufacturing (AM). The focus is put on the design and the production of swirlers using advanced materials with the least possible efforts in terms of manufacturing. The material chosen for this study is Inconel 718. There are three motivations to this project. The first one is to design new shapes and assess these in comparison to conventional ones. The second motivation is to be able to manufacture them using additive manufacturing, and to gather know-how on selective laser melting. The third motivation is to elaborate a methodology involving engineering, research and education to promote — only if and when this is desirable — the production of series of premium parts such as high-end components of gas turbine combustor using AM. First-of-a-kind swirler shapes are explained and designed. These are unlikely to be produced using conventional manufacturing. They are then successfully produced in Inconel 718 using AM. The raw parts are directly submitted for testing with no surface post-processing. The paper states why at current state-of-the-art the raw surface quality still needs improvement, and highlights the benefits of the new swirler shape versus conventional.

Agenda

2030 ◽  
2010 ◽  
Author(s):  
Rutger van Santen ◽  
Djan Khoe ◽  
Bram Vermeer
Keyword(s):  
World War Ii ◽  
New Technology ◽  
Stimulated Emission ◽  
Technology Industry ◽  
Current State ◽  
Complex Process ◽  
The Future ◽  
Evolution Of Technology ◽  
Scientists And Engineers ◽  
New Strategies

We have some serious work to do. Far too many people lead miserable lives because they lack the most basic necessities to deal with hunger, thirst, shelter, disease, or disability. In addition, the prosperity currently enjoyed by many of us may not be taken for granted in the future. The experts in this book have identified a range of breakthroughs that are urgently required if we are to improve the fate of humanity in the decades ahead and look to the future with greater confidence. There will be some hard choices, and some lines of research will probably need to be pursued at the expense of others. Industry should change and adopt new strategies. And we as a society should accept and foster that change. The evolution of technology, industry, and society is a complex process full of feedback mechanisms and surprises. It’s vital that we understand the most promising ways to facilitate the necessary changes of direction. The technologies proposed in this book aren’t straightforward; otherwise, they would have been identified much sooner. The days when you could produce a brilliant invention in your garden shed have largely gone. Anyone wishing to improve the current state of technology needs a solid pedigree and will need to labor long and hard with a group of dedicated colleagues, in many cases relying on extremely expensive equipment. Breakthroughs demand the stamina, laborious testing, and inspiration of countless scientists and engineers. Hundreds of thousands of design hours can go into a new microchip, car, or power-generation technique. Developing new technology is a complex process. That complexity is exemplified by the development of the laser. Einstein predicted the principle of stimulated emission on which lasers are based long before World War II. But it was many more decades before working lasers were created and longer still before they were put to practical use. Once we had them, however, we found we could use them in new scientific instruments that opened up fresh areas of research.

scholarly journals Integrating the Theory of Sampling into Underground Mine Grade Control Strategies: Case Studies from Gold Operations

Minerals ◽  
2019 ◽  
Vol 9 (4) ◽  
pp. 238
Author(s):  
Dominy ◽  
Glass ◽  
O’Connor ◽  
Lam ◽  
Purevgerel
Keyword(s):  
Case Studies ◽  
Control Strategies ◽  
Control Process ◽  
Control Programme ◽  
Small Scale ◽  
Sampling Errors ◽  
Sample Collection ◽  
Representative Sampling ◽  
Grade Control ◽  
Theory Of Sampling

Grade control aims to deliver adequately defined tonnes of ore to the process plant. The foundation of any grade control programme is collecting high-quality samples within a geological context. The requirement for quality samples has long been recognised, in that these should be representative and fit-for-purpose. Correct application of the Theory of Sampling reduces sampling errors across the grade control process, in which errors can propagate from sample collection through sample preparation to assay results. This contribution presents three case studies which are based on coarse gold-dominated orebodies. These illustrate the challenges and potential solutions to achieve representative sampling and build on the content of a previous publication. Solutions ranging from bulk samples processed through a plant to whole-core sampling and assaying using bulk leaching, are discussed. These approaches account for the nature of the mineralisation, where extreme gold particle-clustering effects render the analysis of small-scale samples highly unrepresentative. Furthermore, the analysis of chip samples, which generally yield a positive bias due to over-sampling of quartz vein material, is discussed.

scholarly journals Phenological stages of some grapevine cultivars in North Serbia: Historical data and current state

2019 ◽  
Vol 15 ◽  
pp. 01023
Author(s):  
D. Ivanišević ◽  
M. Kalajdžić ◽  
T. Alesandar ◽  
D. Jakšić
Keyword(s):  
Historical Data ◽  
Pinot Noir ◽  
Cabernet Sauvignon ◽  
Phenological Stages ◽  
Know How ◽  
The Past ◽  
Local Cultivars ◽  
Current State

Phenological stages of many grapevine cultivars appear in earlier parts of the year. However, we do not know how different cultivars are affected by this trend. The aim of this study was to compare the phenological stages of grapevine cultivars recorded in two different periods (1986–1998 and 2013–2018) in North Serbia (Vojvodina). The investigation was carried out on five red (Cabernet sauvignon, Merlot, Pinot noir, Prokupac, Probus) and five white cultivars (Chardonnay, Muscat ottonel, Riesling italico, Smederevka and Petra). The phenological observations included the beginning of budburst, flowering and veraison. The beginning of all phenological stages in all cultivars in the period (2013–2018) occurred in earlier parts of the year, compared to the historical data. Local cultivars (Prokupac, Probus, Smederevka and Petra) showed less shift of the beginning of budburst in respect to the historical data (only six days earlier) compared to the international cultivars. One of the most important phenological stages, flowering, has been shifted ten days in the earlier part of the year. The biggest differences were observed for the beginning of veraison. Now, it occurs earlier from 9 (Petra) to 17 days (Merlot). Duration of the period from budburst to flowering was inconsistent and cultivars required almost the same number of days as it was in the past. However, the duration between flowering and veraison was shorter in the last six years. The biggest difference was observed in Merlot where the period between flowering and veraison has been seven days shortened.

scholarly journals Publishing as a Graduate Student: A Quick and (Hopefully) Painless Guide to Establishing Yourself as a Scholar

2013 ◽  
Vol 46 (02) ◽  
pp. 376-379 ◽  
Author(s):  
Timothy S. Rich
Keyword(s):  
Graduate Students ◽  
Graduate Student ◽  
Job Market ◽  
Publishing Process ◽  
Know How ◽  
Current State ◽  
New Hires

AbstractGraduate students seldom know how to navigate the publishing process, yet a growing expectation is that new hires are capable of immediately producing publishable research as well as teaching. Considering the current state of the job market, graduate students should plan early to take advantage of the opportunities to publish early in their graduate career. This article provides suggestions for beginning the publishing process.

Architectural heritage: the paradox of its current state of risk

1998 ◽  
Vol 7 (1) ◽  
pp. 149-165 ◽  
Author(s):  
B Burnham
Keyword(s):  
Cultural Heritage ◽  
Rapid Change ◽  
Architectural Heritage ◽  
Case Histories ◽  
The Public ◽  
Current State ◽  
The World ◽  
The Face ◽  
New Methodologies ◽  
Watch List

The treatment of movable and immovable heritage is markedly different. While movable objects are highly valued and carefully protected, their immovable equivalents are often under a serious cloud of threat. This peril is the result of global mismanagement, failure of governments to provide adequate funds for their maintenance, and lack of recognition by the public that these disappearing resources are assets of major value. Conservators of immovables face special ethical and practical concerns in their efforts to preserve cultural heritage within its context - depicted in this article as case histories from the World Monuments Watch list of endangered sites. The legal and procedural mechanisms that support this task are ineffectual in the face of rapid change. The field needs new methodologies that harness public appreciation of a site's 'sense of place' to guarantee its future.

scholarly journals Innowacyjność sieci franczyzowych

2012 ◽  
Vol 20 ◽  
pp. 168-181
Author(s):  
Agnieszka Świętek
Keyword(s):  
Business Model ◽  
Economic Activity ◽  
Know How ◽  
Unique Character ◽  
Current State ◽  
Start Up ◽  
Modern Business ◽  
Franchise Networks ◽  
Organizational Innovations ◽  
Degree Of Innovation

A lasting success of business activities regardless of their location, nature, size and industry isnow dependent on the degree of innovation. Innovation is a way for modern enterprises to survive in thechanging market, and a response to customer needs, including their formation, but also seeking waysto develop the internal businesses, particularly in its organization and ideas. Innovation today cannotbe limited to the creation of new technological solutions, and then their implementation into industrialproduction. A particular kind of a modern business model, which has been recently developing inPoland and which is an example of an innovative organization in many fields, is the franchise, the focusof this article.In the article, the principles of operation and the current state of development of franchise networksin Poland is explained, and then the innovative features of franchise business in general, resultingfrom franchise agreements, are analyzed. In the final part of the article, examples of innovations arepresented: technological, market and organizational innovations, used in various franchise industries.In the article, the author also pays attention to the unique character of the franchise system, basedon assistance and transfer of know-how to its franchisees by the entrepreneur, which reduces therisk arising from the start-up of new economic activity, and affects the fast and multi-dimensionaldevelopment of franchise networks.

scholarly journals TOURISM ENTREPRENEURSHIP IN THE DANUBE SHORE (CLISURA DUNĂRII) – POTENTIAL AND PROSPECTS

2020 ◽  
pp. 253-270
Author(s):  
Adrian-Costinel Tănase ◽  
◽  
Florența-Diana Tănase ◽  
Suzana Demyen ◽  
◽  
...  
Keyword(s):  
Know How ◽  
Global Industry ◽  
Local Resources ◽  
Current State ◽  
Natural Beauty ◽  
Overnight Stays

Tourism is a global industry that brings considerable revenue to all states that know how to manage it. This chapter highlights aspects related to entrepreneurship in tourism along the Danube Shore (Clisura Dunării), a touristic area of extreme natural beauty, along with anthropogenic sights, a zone that can become a development engine for the region, by capitalizing on local resources and engaging related industries. The first part of the work presents the current state of knowledge in the field of entrepreneurship and, in particular, of entrepreneurship in tourism, in order to later describe the Danube Shore and the most representative touristic sites for this area. The chapter also presents aspects related to the analysis of the correlations between the GDP of Caraş-Severin County and the number of overnight stays, as well as the results of a study on the touristic potential of the Danube Shore, a study conducted through a survey based on a questionnaire.

scholarly journals Gamificação e realidade aumentada em processos de ensino-aprendizagem: uma revisão sistemática da literatura

2021 ◽  
Vol 14 (2) ◽  
pp. 262-274
Author(s):  
Orlando Rosa Junior ◽  
Tiago De Oliveira ◽  
Ezequiel Zorzal
Keyword(s):  
Augmented Reality ◽  
State Of The Art ◽  
Learning Assessment ◽  
Assessment Methodology ◽  
Know How ◽  
Current State ◽  
Research Questions ◽  
Programming Knowledge ◽  
Specific Learning ◽  
Do So

This paper presents a Systematic Literature Review (RSL) on the use of Gamification and Augmented Reality applied in Education. RSL enabled mapping and knowledge of the current state of related studies. Thirty articles related to the state of the art were analyzed. From the analysis, it was found that there is no specific learning assessment methodology when applying the Augmented Reality and Gamification tools. An analysis of the results was made to answer the research questions. The study showed that lack of programming knowledge is also a factor that hinders the advancement of research since the researcher must know how to develop the application or have in his team someone who has the competence to do so. Finally, we present the comparatives and analyzes of the studies to obtain answers based on the research questions developed.

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