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Plasma Agriculture
Garlic is popular, versatile, and tasty. The Allium crop is beloved worldwide as a food, spice and herbal remedy, but is also widely researched and used in disciplines ranging from medicine to farming. However, what if the growth and yield of garlic could be influenced simply by physically treating its cloves? This is the principle behind plasma agriculture, an emerging field of science which introduces physical concepts to agricultural practice. Here, seeds or other plant materials are briefly exposed to gas plasma, which alters the surface properties, stimulates the growth and strengthens the plant. This book takes an in-depth look at the physics of low-pressure oxygen plasma and shows how...
Surface Modification to Improve Properties of Materials
This book contains selected contributions on surface modification to improve the properties of solid materials. The surface properties are tailored either by functionalization, etching, or deposition of a thin coating. Functionalization is achieved by a brief treatment with non-equilibrium gaseous plasma containing suitable radicals that interact chemically with the material surface and thus enable the formation of rather stable functional groups. Etching is performed in order to modify the surface morphology. The etching parameters are selected in such a way that a rich morphology of the surfaces is achieved spontaneously on the sub-micrometer scale, without using masks. The combination of adequate surface morphology and functionalization of materials leads to superior surface properties which are particularly beneficial for the desired response upon incubation with biological matter. Alternatively, the materials are coated with a suitable thin film that is useful in various applications from food to aerospace industries.
Matej Kren
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Renaissance Man
Something very bad is going on in the country. Poet Darko and the President of the State are exchanging letters and during the search for the right answers, they become close friends. However, when the state authorities get hands on their letters, their plan to change the political and economic system of the country, their intentions get a whole different meaning.Excerpt"Then you claim that you do not have anything to do with today's protest?" She finally asked as she wanted a written confirmation, and quickly smiled when she realized she was dealing with a sensitive interlocutor."Exactly! I have nothing to do with it, "he assured her. How did they come to statements then, if they were literally quoted from the letters? What kind of protest is this and why?"That does not mean anything good, Mr Darko," Alenka said, reassuring her idea."What does all this mean?" She asked frightfully."I do not know. Go home and take a nap for a while, "she advised him as a secret agent. When did he suddenly find himself in a crime scene?
The Economist
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