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T.F.S. Lau,N. Ohba,K. Arikawa,V.B. Meyer-Rochow 한국응용곤충학회 2007 Journal of Asia-Pacific Entomology Vol.10 No.1
The eyes of male and female Rhagophthalmus ohbai are of very different sizes and possess approximately 3000 and 35 facets, respectively. In the male eye one can distinguish a smaller dorsal region with 500 facets and a larger ventral one with ca. 1800. Ultrastructural differences between them have been described earlier in this journal (Lau and Meyer- Rochow, 2006). Electrophysiological recordings from the two eye areas have now revealed that the ventral region is maximally sensitive to light of 600 nm wavelength, while the dorsal eye region responds maximally to light of 540-560 nm wavelengths. In the dorsal eye region sensitivity to UV-radiation at around 360 nm wavelength, being twice as high as that of the ventral eye region, amounted to ca. one quarter of peak wavelength sensitivity. The regional differences in spectral sensitivity seem to be a reflection of the different tasks of the two eye regions: looking downward to see the yellow light emitted by a female, sensitivity towards longer wavelengths would be advantageous, but looking upward into the twilight sky, sensitivity to shorter wavelength would be a more appropriate adaptation.
Lau, T.F.S.,Ohba, N.,Arikawa, K.,Meyer-Rochow, V.B. Korean Society of Applied Entomology 2007 Journal of Asia-Pacific Entomology Vol.10 No.1
The eyes of male and female Rhagophthalmus ohbai are of very different sizes and possess approximately 3000 and 35 facets, respectively. In the male eye one can distinguish a smaller dorsal region with 500 facets and a larger ventral one with ca. 1800. Ultrastructural differences between them have been described earlier in this journal (Lau and Meyer-Rochow, 2006). Electrophysiological recordings from the two eye areas have now revealed that the ventral region is maximally sensitive to light of 600 nm wavelength, while the dorsal eye region responds maximally to light of 540-560 nm wavelengths. In the dorsal eye region sensitivity to UV-radiation at around 360 nm wavelength, being twice as high as that of the ventral eye region, amounted to ca. one quarter of peak wavelength sensitivity. The regional differences in spectral sensitivity seem to be a reflection of the different tasks of the two eye regions: looking downward to see the yellow light emitted by a female, sensitivity towards longer wavelengths would be advantageous, but looking upward into the twilight sky, sensitivity to shorter wavelength would be a more appropriate adaptation.
Managing Within a Creative Environment
Sarah A. Meyer 사단법인 한국브랜드디자인학회 2007 브랜드디자인학연구 Vol.5 No.1
Managing a complex system, such as a design group, is not a matter of facilitating a sequence of discrete steps. It involves the interaction of self-management, cooperative behavior, feedback, and flexibility in processes that orchestrate these elements to the benefit of organizational strategy and the development of specific projects. Sarah Meyer defines this approach and illustrates the significance of these issues with "in-the-trenches" commentary from design managers.
Meyer, Peter B.,Yi, Yang Soo 한국국제지역사회개발학회 1999 地域社會開發學術誌 Vol.9 No.2
오늘날 "지속 가능한 개발(Sustainable Development)" 이라는 화두는 지역과 국가의 경제활동에 있어서 중요한 의제의 하나로 대두되고 있다. 그러나 "지속가능(Sustainability)"의 개념에 대한 정의와 측정에 대해서는 많은 논쟁이 오래 전부터 계속 되어왔다. 좁게는 지속가능의 범위를 경제적 활동영역에 국한 할 수도 있지만 지속 가능한 개발의 이념은 우리 인류의 경제적 활동 뿐만 아니라 자연자원을 포함한 인류전체의 복지를 포함한 모든 생태계의 조화로운 발전이 포함 되어야 한다. 본 논문은 기존의 국민총생산(GNP) 지표가 지속가능을 측정 하는 지표로 미흡하다는 점과 또 지속가능발전의 궁극적 목표인 국민복지를 제대로 반영하지 못한다는 것을 지적함과 동시에 "지속가능 (Sustainability)" 과 "국민복지 (Human-welfare)"의 측정에 있어서 4가지 중요한 구성요소로서 다양성(Diversity), 비 화폐적 경제활동(Non-monetized economic activity), 비 지속가능 활동의 수출(Export non-sustainability), 그리고 존재가치(Existence value; Non-use value,)를 제시하고자 하였다.
A comprehensive description for damage of concrete subjected to complex loading
Meyer, Christian,Peng, Xianghe Techno-Press 1997 Structural Engineering and Mechanics, An Int'l Jou Vol.5 No.6
The damage of concrete subjected to multiaxial complex loading involves strong anisotropy due to its highly heterogeneous nature and the geometrically anisotropic characteristic of the microcracks. A comprehensive description of concrete damage is proposed by introducing a fourth-order anisotropic damage tenser. The evolution of damage is assumed to be related to the principal components of the current states of stress and damage. The unilateral effect of damage due to the closure and opening of microcracks is taken into account by introducing projection tensors that are also determined by the current state of stress. The proposed damage model considers the different kinds of damage mechanisms that result in different failure modes and different patterns of microdefects that cause different unilateral effects. This damage model is embedded in a thermomechanically consistent constitutive equation in which hardening and the triaxial compression caused shear-enhanced compaction can also be taken into account. The validity of the proposed model is verified by comparing theoretical and experimental results of plain and steel fiber reinforced concrete subjected to complex triaxial stress histories.
Meyer, Sven W.,Mordhorst, Thorsten F.,Lee, Choonghwan,Jensen, Paul R.,Fenical, William,Kö,ck, Matthias Royal Society of Chemistry 2010 Organic & biomolecular chemistry Vol.8 No.9
<P>A novel lumazine peptide, penilumamide (1), was isolated from the fermentation broth of a marine-derived fungal strain, identified as <I>Penicillium</I> sp. (strain CNL-338) and the structure of the new metabolite was determined by analysis of ESI-TOF MS data combined with 1D and 2D NMR experiments.</P> <P>Graphic Abstract</P><P>Penilumamide was isolated from the fungal strain <I>Penicillium</I> sp. and its structure was determined by analysis of ESI-TOF MS data combined with 1D and 2D NMR experiments. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=b910629d'> </P>
Wireless sensor networks for long-term structural health monitoring
Meyer, Jonas,Bischoff, Reinhard,Feltrin, Glauco,Motavalli, Masoud Techno-Press 2010 Smart Structures and Systems, An International Jou Vol.6 No.3
In the last decade, wireless sensor networks have emerged as a promising technology that could accelerate progress in the field of structural monitoring. The main advantages of wireless sensor networks compared to conventional monitoring technologies are fast deployment, small interference with the surroundings, self-organization, flexibility and scalability. These features could enable mass application of monitoring systems, even on smaller structures. However, since wireless sensor network nodes are battery powered and data communication is the most energy consuming task, transferring all the acquired raw data through the network would dramatically limit system lifetime. Hence, data reduction has to be achieved at the node level in order to meet the system lifetime requirements of real life applications. The objective of this paper is to discuss some general aspects of data processing and management in monitoring systems based on wireless sensor networks, to present a prototype monitoring system for civil engineering structures, and to illustrate long-term field test results.
Meyer-Rochow, V.B. The Ecological Society of Korea 2021 Journal of Ecology and Environment Vol.45 No.1
Background: References to insects in myths, stories, and idioms can be found in almost any culture, but with regard to references involving honey bee species in the Asia-Australian region, little information is available. Such references to bees can be highly informative by revealing attitudes of admiration, fear, ignorance, or even revulsion towards these insects. Results: The subject is briefly reviewed and examples of references to bees of selected cultural communities are given. Although folkloristic references to honey bees were found to be mostly positive highlighting fearlessness, cleverness, and industriousness of the bees, some also touch upon their ability to cause pain. Conclusions: Owing to the decreasing contacts and increasing alienization regarding insects generally, a plea is made to collect whatever information is still available about references to bees in songs, myths, stories, proverbs, and idioms and to compare such uses from different regions, e.g., North and South Korea. This would support other fields of research aiming to discover and to describe cultural relationships, migrations, and contacts between different peoples of the Asian/Australian region.