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LANDSCAPE PREFERENCE EVALUATION TO THE BREAKWATERS OF FISHING HARBORS IN TAIWAN

  • Yi-Juin Kuan;Hsien-Kuo Chang;Yi-yu Kuo;Shao-Tsai Cheng
    • International conference on construction engineering and project management
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    • 2005.10a
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    • pp.615-620
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    • 2005
  • The aim of this study is to evaluate the public preference to the breakwaters of fishing harbors in Taiwan, so that the results could be applied to the successive study of breakwater landscape improvement. Among the breakwaters' photographs those took on the fishing harbors, this study picked up 4 photos for demonstration and 60 for questionnaire according to their spatial types configured with crest of breakwater, crown wall, and armoring blocks) and other landscape factors. The preference evaluation was conducted by questionnaire to the public, 385 effective questionnaires were taken into analysis. Results reveals: (1) the open, colorful, recreational and water-intimate breakwaters are preferred. (2) The combination types and visual elements (shapes, colors, textures, lines and scales) of breakwaters are also influence the public preference.

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Calvin Wilson Mateer의 중국어 교육과 《관화유편(官話類編)》에 나타난 북경관화와 남경관화의 특징

  • Gu, Hyeon-A
    • 중국학논총
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    • no.63
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    • pp.91-120
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    • 2019
  • 《官話類編》是一部美國傳教士Calvin Wilson Mateer1892編寫的漢語教科書. 他1864年來華之後為了有效的传道编写語言學, 数学, 科学等方面的教科书并设立了山东养学堂和登州学会馆, 中国教育史上出了不少贡献. 《官話類編》是花25年的时间, 进行对北京, 南京, 九江, 潍县方言的方言调查后编写的, 内容簡單而且日常会话为主, 收到当时来华传教士的欢迎. 当时北京官话被认为是最时髦, 最流行的方言, 成为官方的公式语言. 虽然南方官话不是主流, 但还是在中国的更大地区里接受的官话方言. 《官話類編》里的北京官话有疑母消失, 见, 精组合流, 保存iai韵母, 梗曾摄, 宕江摄, 通摄存在文白异读等特征, 他记录的南京官话有见精组对立, 疑母消失, 保存入声和iai韵母, n, l和n, ŋ想混的特征, 为了解当时语言使用的情况以及音韵特征提供很有价值的信息.

A Robust Mutual Authentication Protocol for Wireless Sensor Networks

  • Chen, Tien-Ho;Shih, Wei-Kuan
    • ETRI Journal
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    • v.32 no.5
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    • pp.704-712
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    • 2010
  • Authentication is an important service in wireless sensor networks (WSNs) for an unattended environment. Recently, Das proposed a hash-based authentication protocol for WSNs, which provides more security against the masquerade, stolen-verifier, replay, and guessing attacks and avoids the threat which comes with having many logged-in users with the same login-id. In this paper, we point out one security weakness of Das' protocol in mutual authentication for WSN's preservation between users, gateway-node, and sensor nodes. To remedy the problem, this paper provides a secrecy improvement over Das' protocol to ensure that a legal user can exercise a WSN in an insecure environment. Furthermore, by presenting the comparisons of security, computation and communication costs, and performances with the related protocols, the proposed protocol is shown to be suitable for higher security WSNs.

Investigating creep behavior of Ni-Cr-W alloy pressurized tube at 950 ℃ by using in-situ creep testing system

  • Zhong, Yang;Lan, Kuan-Che;Lee, Hoon;Zhou, Bomou;Wang, Yong;Tsang, D.K.L.;Stubbins, James F.
    • Nuclear Engineering and Technology
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    • v.52 no.7
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    • pp.1481-1485
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    • 2020
  • The creep behavior of Ni-Cr-W alloy at 950 ℃ has been investigated by a novel creep testing system which is capable of in-situ measurement of strain. Tubular specimens were pressurized with argon gas for effective stresses up to 32 MPa. Experimental results show that the thermal fatigue reduces the creep life of the tubular specimens and with the introduction of thermal cycling fatigue the primary stage disappears and the creep rate higher than the pure thermal creep (without thermal fatigue). Also the creep behavior of Ni-Cr-W alloy doesn't consist in the secondary stage. A new creep equation has been derived and implemented into finite element method. The results from the finite element analyses are in good agreement with the creep experiment.

Epidemiological Investigation of Asymptomatic Dogs with Leishmania Infection in Southwestern China Where Visceral Leishmaniasis is Intractable

  • Zhao, Gui-Hua;Yin, Kun;Zhong, Wei-Xia;Xiao, Ting;Wei, Qing-Kuan;Cui, Yong;Liu, Gong-Zhen;Xu, Chao;Wang, Hong-Fa
    • Parasites, Hosts and Diseases
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    • v.54 no.6
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    • pp.797-801
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    • 2016
  • Heishui county, located in northwest Sichuan province, southwestern China, is an endemic area of zoonotic visceral leishmaniasis (VL) and is the most intractable area. VL is never destroyed in it. Asymptomatic dogs (Leishmania parasites have been diagnosed but clinically healthy) are considered to be a potential reservoir host in zoonotic VL area, and most can lead to infection of individuals, that is a new challenge for controlling VL in humans. The present study aimed to assess the Leishmania infection rate of asymptomatic dogs in Heishui county. Total 105 asymptomatic domestic dogs were gathered from 4 districts in Heishui county to investigate the infection rate with serological and molecular methods based on ELISA and kinetoplast minicircle DNA(kDNA) PCR, respectively. Out of 105 dogs, 44 (41.9%) were positive by more than 1 method; 21 (20.0%) were positive by ELISA, and 30 (28.6%) were positive by kDNA-PCR. Our study showed that Leishmania infection of domestic dogs which is clinically healthy is prevalent in the studied district, and the asymptomatic dogs infected by Leishmania may be the primary reason for the prevalence of visceral leishmaniasis in the area.

A Systematic Review of Risk Factors for Brain Metastases and Value of Prophylactic Cranial Irradiation in Non-Small Cell Lung Cancer

  • Sun, Dian-Shui;Hu, Li-Kuan;Cai, Ying;Li, Xiao-Mei;Ye, Lan;Hou, Hua-Ying;Wang, Cui-Hong;Jiang, Yu-Hua
    • Asian Pacific Journal of Cancer Prevention
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    • v.15 no.3
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    • pp.1233-1239
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    • 2014
  • Background: The incidence of brain metastases (BM) varies in patients with non-small cell lung cancer (NSCLC), calls into question the value of prophylactic cranial irradiation (PCI). It is possible that clinicopathologic characteristics are associated with the development of BM, but these have yet to be identified in detail. Thus, we conducted the present meta-analysis on risk factors for BM and the value of PCI in patients with NSCLC. Methods: Eligible data were extracted and the risk factors for BM and the value of PCI in patients with NSCLC were analyzed by calculating the pooled odds ratio (OR). Heterogeneity was detected using Q and I-squared statistics, and publication bias was tested by funnel plots and Egger's test. Results: Six randomized controlled trials with a focus on the value of PCI and 13 eligible studies with a focus on risk factors for BM were included. PCI significantly reduced the incidence of BM in patients with NSCLC (p=0.000, pooled OR=0.34, 95% confidence interval = 0.37-0.59). Compared with non-squamous cell carcinoma, squamous cell carcinoma was associated with a low incidence of BM in patients with NSCLC (p=0.000, pooled OR=0.47, 95% confidence interval =0.34-0.65). The funnel plot and Egger's test suggested that there was no publication bias in the current meta-analysis. Conclusions: This meta-analysis provides statistical evidence that compared with non-squamous cell carcinoma, squamous cell carcinoma can be used as a predictor for BM in patients with NSCLC, and PCI might reduce the incidence of BM in patients with NSCLC, but does not provide a survival benefit.

Characteristics of Imported Malaria and Species of Plasmodium Involved in Shandong Province, China (2012-2014)

  • Xu, Chao;Wei, Qing-Kuan;Li, Jin;Xiao, Ting;Yin, Kun;Zhao, Chang-Lei;Wang, Yong-Bin;Kong, Xiang-Li;Zhao, Gui-Hua;Sun, Hui;Liu, Xin;Huang, Bing-Cheng
    • Parasites, Hosts and Diseases
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    • v.54 no.4
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    • pp.407-414
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    • 2016
  • Malaria remains a serious public health problem in Shandong Province, China; therefore, it is important to explore the characteristics of the current malaria prevalence situation in the province. In this study, data of malaria cases reported in Shandong during 2012-2014 were analyzed, and Plasmodium species were confirmed by smear microscopy and nested-PCR. A total of 374 malaria cases were reported, 80.8% of which were reported from 6 prefectures. Of all cases, P. falciparum was dominant (81.3%), followed by P. vivax (11.8%); P. ovale and P. malariae together accounted for 6.4% of cases. Notably, for the first time since 2012, no indigenous case had been reported in Shandong Province, a situation that continued through 2014. Total 95.2% of cases were imported from Africa. The ratio of male/female was 92.5:1, and 96.8% of cases occurred in people 20-54 years of age. Farmers or laborers represented 77.5% of cases. No significant trends of monthly pattern were found in the reported cases. All patients were in good condition after treatment, except for 3 who died. These results indicate that imported malaria has increased significantly since 2012 in Shandong Province, especially for P. falciparum, and there is an emergence of species diversity.