Minimalism is a style of art stripped down to fundamental features of things born in 1960s, exerting profound influence on garden art as a kind of conclusion and development of modernism. By further analyzing the form...Minimalism is a style of art stripped down to fundamental features of things born in 1960s, exerting profound influence on garden art as a kind of conclusion and development of modernism. By further analyzing the formation and development of minimalist garden, factors of minimalist garden were concluded as the following 6 aspects:application of traditional elements, innovative introduction of natural environment elements, unique application of traditional design elements, application of concise geometric features, application of new garden elements, demonstration of the four-dimensional element-time. 5 characteristics of minimalist garden were proposed as:A. Concise geometric figures; B. innovative application of classical nature;C. Application of rich materials; D.Overlaid application of a series of elements; E. Expressing landscape environment objectively. Research on minimalism will help to understand garden types of different characteristics and provide practical references for modern garden design.展开更多
In the present article I will first give a brief summary of the content of the book.Then I discuss some limitations of the book as well as my personal viewpoint about what the book fails to clarify and explain.
Upconversion luminescence(UCL)materials have the potential for many applications due to their unique optical properties.Some technical challenges such as complex synthesis with low yield and nondegradability need to b...Upconversion luminescence(UCL)materials have the potential for many applications due to their unique optical properties.Some technical challenges such as complex synthesis with low yield and nondegradability need to be addressed for practical use.Here,we report for the first time a minimalist method for large-scale synthesis of Cs_(2)NaErCl_(6)UCL crystals with almost 100%yield,simply by dissolving metal chlorides in water and then drying,referred to as the“dissolve-dry”method.Cs_(2)NaErCl_(6)crystals produced under such mild conditions exhibited bright UCL at either 808 or 980 nm irradiation.UCL was achieved through an excited state absorption process,and the excellent performance was mainly attributed to the large unit cells of the crystals and the long lifetime of Er^(3+)excited energy levels.Moreover,the synthesis was reversible and could be scaled up unlimitedly,making it suitable for industrial applications,with recyclable products.The recyclable application of Cs_(2)NaErCl_(6)crystals as a luminescent medium in near-infrared light-emitting diode excitable upconversion devices was demonstrated based on its excellent recyclability.Our work not only provides a new strategy for large-scale synthesis of UCL crystals but also demonstrates the recyclability of this material and its related applications.展开更多
文摘Minimalism is a style of art stripped down to fundamental features of things born in 1960s, exerting profound influence on garden art as a kind of conclusion and development of modernism. By further analyzing the formation and development of minimalist garden, factors of minimalist garden were concluded as the following 6 aspects:application of traditional elements, innovative introduction of natural environment elements, unique application of traditional design elements, application of concise geometric features, application of new garden elements, demonstration of the four-dimensional element-time. 5 characteristics of minimalist garden were proposed as:A. Concise geometric figures; B. innovative application of classical nature;C. Application of rich materials; D.Overlaid application of a series of elements; E. Expressing landscape environment objectively. Research on minimalism will help to understand garden types of different characteristics and provide practical references for modern garden design.
文摘In the present article I will first give a brief summary of the content of the book.Then I discuss some limitations of the book as well as my personal viewpoint about what the book fails to clarify and explain.
基金supported by financial aid from the National Natural Science Foundation of China(grant nos.22020102003 and 21834007)the Jilin Province Youth Science and Technology Talent support project(grant no.QT202229)the Program of Science and Technology Development Plan of Jilin Province of China(grant no.YDZJ202302CXJD065).
文摘Upconversion luminescence(UCL)materials have the potential for many applications due to their unique optical properties.Some technical challenges such as complex synthesis with low yield and nondegradability need to be addressed for practical use.Here,we report for the first time a minimalist method for large-scale synthesis of Cs_(2)NaErCl_(6)UCL crystals with almost 100%yield,simply by dissolving metal chlorides in water and then drying,referred to as the“dissolve-dry”method.Cs_(2)NaErCl_(6)crystals produced under such mild conditions exhibited bright UCL at either 808 or 980 nm irradiation.UCL was achieved through an excited state absorption process,and the excellent performance was mainly attributed to the large unit cells of the crystals and the long lifetime of Er^(3+)excited energy levels.Moreover,the synthesis was reversible and could be scaled up unlimitedly,making it suitable for industrial applications,with recyclable products.The recyclable application of Cs_(2)NaErCl_(6)crystals as a luminescent medium in near-infrared light-emitting diode excitable upconversion devices was demonstrated based on its excellent recyclability.Our work not only provides a new strategy for large-scale synthesis of UCL crystals but also demonstrates the recyclability of this material and its related applications.
