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Kuo-Ying Wang,Wen-Shung Kau 한국기상학회 2015 Asia-Pacific Journal of Atmospheric Sciences Vol.51 No.2
In this work we examine the effect of ozone (O3) from the stratosphere on the O3 levels in the troposphere. The tropopause is defined according to the potential vorticity (PV) and potential temperature distribution. Annual simulations were performed with and without stratospheric O3 in the model to access the impact of stratospheric O3 on tropospheric O3 distribution. Our results show that surface O3 over the tropical marine boundary layer is dominated by in-situ photochemistry in the troposphere. The maintenance of the inter-hemispheric asymmetry in ozone over the extra-tropical marine boundary layer is dominated by the transport of O3 from the stratosphere. Comparisons between the model and the surface measurements show that the model without stratospheric O3 exhibits a hemispheric summer maximum, emphasizing the contributions of transport of O3 and O3 producing precursors from continental regions during the summer months, whilst no clear spring O3 maximum is found. About 50%-80% of O3 in the lower troposphere over the northern hemisphere mid-latitudes are photochemically produced during the northern hemisphere summer. About 20%-40% is due to tropospheric photochemistry in the lower troposphere during the northern hemisphere spring. We conclude that O3 transported from the stratosphere is the dominating factor for the spring O3 maximum over the extra-tropical latitudes, while the photochemical ozone production is the dominating factor for O3 over the tropical marine boundary layer environments and over the land surface emission areas.
Implementation Evaluation on Foreign Brides’ Literacy Education in Taipei
Yu-Ying Kuo,Yi Thun Hsu 숙명여자대학교 아시아여성연구원 2010 OMNES: The Journal of Multicultural Society Vol.1 No.1
There are more and more foreign brides (very few foreign grooms) who have migrated from Vietnam, Thailand, Philippines, Indonesia, and China to Taiwan. Currently the total number of foreign spouses is about 407,810, which occupies 1.8 percent of the total population of Taiwan. Foreign brides and their children are entitled “New Taiwanese” since they must adjust their life style to fit Taiwan culture and environment. Moreover, they must improve communication skills and knowledge to meet their family demands as well as child education after their marriage. In order to help foreign brides’ for life adaptation, the Taiwan government has initiated and operated the Care and Counseling Policy over the past decade. The policy primarily covers literacy education, living skills, cooking skills, culture and environment acquaintance and so on. By and large, linguistic problems have attracted most attention, and, therefore, literacy education has become one of the important issues to those foreign brides. This paper focuses on the implementation evaluation of foreign brides’ literacy education in Taipei city. Currently 16 elementary schools have set up three-year literacy programs for foreign brides. The research employed questionnaire survey and in-depth interviews to understand the opinions of policy stakeholders. Basically questionnaires were handed out to the foreign brides who were taking literacy education programs in the elementary schools in order to understand their values, attitudes, and satisfaction toward the whole program. Additionally, interviews were conducted with four categories of policy stakeholders: foreign brides, families of foreign brides, teachers of literacy education programs, and public officials from the Department of Education in the Taipei City Government. The research findings indicate that foreign brides and their families are satisfied with literacy education programs and feel the programs are helpful and beneficial for their life adaptation, especially for communication and children education. However, foreign brides’ understanding of government affairs, their attitudes toward Mandarin learning, class materials/textbook still have some room for improvement. The research expects not only to induce various studies of foreign brides from academics, but also to propose policy implications for policy makers and practitioners.
Huang, Kuo-Ying,Yoo, Hee Young,Jho, YongSeok,Han, Songi,Hwang, Dong Soo American Chemical Society 2016 ACS NANO Vol.10 No.5
<P>An exceptionally low interfacial tension of a dense fluid of concentrated polyelectrolyte complexes, phase separated from a biphasic fluid known as complex coacervates, represents a unique and highly sought-after materials property that inspires novel applications from superior coating to wet adhesion. Despite extensive studies and broad interest, the molecular and structural bases for the unique properties of complex coacervates are unclear. Here, a microphase-separated complex coacervate fluid generated by mixing a recombinant mussel foot protein-1 (mfp-1) as the polycation and hyaluronic acid (HA) as the polyanion at stoichiometric ratios was macroscopically phase-separated into a dense complex coacervate and a dilute supernatant phase to enable separate characterization of the two fluid phases. Surprisingly, despite up to 4 orders of magnitude differing density of the polyelectrolytes, the diffusivity of water in these two phases was found to be indistinguishable. The presence of unbound, bulk-like, water in the dense fluid can be reconciled with a water population that is only weakly perturbed by the polyelectrolyte interface and network. This hypothesis was experimentally validated by cryo-TEM of the macroscopically phase-separated dense complex coacervate phase that was found to be a bicontinuous and biphasic nanostructured network, in which one of the phases was confirmed by staining techniques to be water and the other polyelectrolyte complexes. We conclude that a weak cohesive energy between water water and water polyelectrolytes manifests itself in a bicontinuous network, and is responsible for the exceptionally low interfacial energy of this complex fluid phase with respect to virtually any surface within an aqueous medium.</P>
Ping-Chung Kuo,Yann-Lii Leu,Tsong-Long Hwang,Ying-Ting Lin,Yuh-Chi Kuo 대한약학회 2011 Archives of Pharmacal Research Vol.34 No.5
In total, forty six compounds, including the novel compound lobechine (1), were characterized from the methanol extracts of Lobelia chinensis. The chemical structures of known metabolites were identified by comparing their spectroscopic and physical data with compounds reported in the literature. The structure of lobechine (1) was comprehensively established with the aid of 1D and 2D NMR spectroscopic analyses. In addition, selected isolates were screened for their inhibition of HSV-1 replication, superoxide anion generation, and elastase release. Among the tested compounds, scoparone (10) exhibited significant inhibition of superoxide anion generation with IC_50 of 6.14 ± 1.97 μM and lobechine (1) exhibited moderate inhibition of elastase release with IC_50 of 25.01 ± 6.95 μM, respectively.
Development of human IgE biosensor using Sezawa-mode SAW devices
Ying-Chung Chen,Wei-Tsai Chang,Chien-Chuan Cheng,Jing-Yi Shen,Kuo-Sheng Kao 한국물리학회 2014 Current Applied Physics Vol.14 No.4
This paper reports Sezawa-mode surface acoustic wave (SAW) devices with via-isolated cavity to construct the allergy biosensor. To fabricate Sezawa-mode SAW devices, the RF magnetron sputtering method for the growth of piezoelectric ZnO thin films are adopted and influences of the sputtering parameters are investigated. The optimal substrate temperature of 300 C, RF power of 120 W and sputtering pressure of 2 Pa were used to deposit piezoelectric ZnO films with a smooth surface, uniform grain size and strongly c-axis-orientated crystallization. A back-etched SAW resonator is used in this study. The wet etching of (100)-oriented silicon wafers is used to form a back-side cavity which is critical to the formation of a hopper cavity for holding bio-analytes. The remaining membrane structure silicon thickness was 25 mm. In this report, the chrome (Cr, 12 nm)/gold (Au, 66 nm) layer was initially deposited onto the sensing area of SAW devices as the binding layer for biochemical sensor. The resonance frequency of the Sezawa-mode SAW device is 1.497 GHz. The maximum sensitivity of the Sezawa-mode is calculated to be 4.44 106 cm2/g for human immunoglobulin-E (IgE) detection. The stability for human IgE detection is calculated to be 80% and the variation of the stability 3% was obtained after several tests.
Design and Implementation of a Multi-Functional Mobile Robot
Ying J. Huang,Yuan Z. Chen,Tzu C. Kuo,Hong S. Yu 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
In this paper, an intelligent multi-functional mobile robot is presented. The hardware involves the ultrasonic sensor, Bluetooth device, wireless camera, DC servo motor, and mechanical gripper. One single ultrasound sensor is programmed to seek the object, and complete the object localization. A human-machine interface is developed to remotely control the mobile robot. Through wireless communication and camera, the exploration of a tiny and harsh environment can be carried out. Hardware description language is used in the controller design and the peripheral I/O circuit. Human-machine interface is completed by C language.