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Shinozuka, Y.,Clarke, A. D.,Nenes, A.,Jefferson, A.,Wood, R.,McNaughton, C. S.,Strö,m, J.,Tunved, P.,Redemann, J.,Thornhill, K. L.,Moore, R. H.,Lathem, T. L.,Lin, J. J.,Yoon, Y. J. Copernicus GmbH 2015 Atmospheric chemistry and physics Vol.15 No.13
<P>Abstract. We examine the relationship between the number concentration of boundary-layer cloud condensation nuclei (CCN) and light extinction to investigate underlying aerosol processes and satellite-based CCN estimates. For a variety of airborne and ground-based observations not dominated by dust, regression identifies the CCN (cm−3) at 0.4 ± 0.1% supersaturation with 100.3α +1.3σ0.75 where σ (Mm−1) is the 500 nm extinction coefficient by dried particles and α is the Angstrom exponent. The deviation of 1 km horizontal average data from this approximation is typically within a factor of 2.0. ∂logCCN / ∂logσ is less than unity because, among other explanations, growth processes generally make aerosols scatter more light without increasing their number. This, barring special meteorology-aerosol connections, associates a doubling of aerosol optical depth with less than a doubling of CCN, contrary to previous studies based on heavily averaged measurements or a satellite algorithm. </P>
Shinozuka, Masanobu,Chou, Pai H.,Kim, Sehwan,Kim, Hong Rok,Karmakar, Debasis,Fei, Lu Techno-Press 2010 Smart Structures and Systems, An International Jou Vol.6 No.5
This paper presents the results of a pilot study and verification of a concept of a novel methodology for damage detection and assessment of water distribution system. The unique feature of the proposed noninvasive methodology is the use of accelerometers installed on the pipe surface, instead of pressure sensors that are traditionally installed invasively. Experimental observations show that a sharp change in pressure is always accompanied by a sharp change of pipe surface acceleration at the corresponding locations along the pipe length. Therefore, water pressure-monitoring can be transformed into acceleration-monitoring of the pipe surface. The latter is a significantly more economical alternative due to the use of less expensive sensors such as MEMS (Micro-Electro-Mechanical Systems) or other acceleration sensors. In this scenario, monitoring is made for Maximum Pipe Acceleration Gradient (MPAG) rather than Maximum Water Head Gradient (MWHG). This paper presents the results of a small-scale laboratory experiment that serves as the proof of concept of the proposed technology. The ultimate goal of this study is to improve upon the existing SCADA (Supervisory Control And Data Acquisition) by integrating the proposed non-invasive monitoring techniques to ultimately develop the next generation SCADA system for water distribution systems.
High-Dose Chemotherapy with Autologous Stem Cell Supportin Patients with Ovarian Cancer
Takao Shinozuka 가톨릭중앙의료원 가톨릭암센터 1994 암심포지움 Vol.- No.1
About 60~70% of patients with ovarian cancer at-e diagnosed as stage Ⅲ or Ⅳ at presentation. The standard therapeutic approach of cytoreductive surgery and cisplatin-based combination-chemotherapy for such cases confers temporary remission in over 60% of the patients. However, relapses are seen in over half such patients within a few years, decreasing their S-year survival rate to between 20 and 30%. Therefore, the development of a more effective therapeutic approach has been awaited for improvement of long term prognosis,
Masanobu Shinozuka,Pai H. Chou,김세환,Hong Rok Kim,Debasis Karmakar,Lu Fei 국제구조공학회 2010 Smart Structures and Systems, An International Jou Vol.6 No.5
This paper presents the results of a pilot study and verification of a concept of a novel methodology for damage detection and assessment of water distribution system. The unique feature of the proposed noninvasive methodology is the use of accelerometers installed on the pipe surface, instead of pressure sensors that are traditionally installed invasively. Experimental observations show that a sharp change in pressure is always accompanied by a sharp change of pipe surface acceleration at the corresponding locations along the pipe length. Therefore, water pressure-monitoring can be transformed into acceleration-monitoring of the pipe surface. The latter is a significantly more economical alternative due to the use of less expensive sensors such as MEMS (Micro-Electro-Mechanical Systems) or other acceleration sensors. In this scenario, monitoring is made for Maximum Pipe Acceleration Gradient (MPAG) rather than Maximum Water Head Gradient (MWHG). This paper presents the results of a small-scale laboratory experiment that serves as the proof of concept of the proposed technology. The ultimate goal of this study is to improve upon the existing SCADA (Supervisory Control And Data Acquisition) by integrating the proposed non-invasive monitoring techniques to ultimately develop the next generation SCADA system for water distribution systems.
A scheme on multi-tier heterogeneous networks for citywide damage monitoring in an earthquake
Fujiwara, Takahiro,Watanabe, Takashi,Shinozuka, Masanobu Techno-Press 2013 Smart Structures and Systems, An International Jou Vol.11 No.5
Quick, accurate damage monitoring is strongly required for damage assessment in the aftermath of a large natural disaster. Wireless sensor networks are promising technologies to acquire damage information in a citywide area. The wireless sensor networks, however, would be faced with difficulty to collect data in real-time and to expand the scalability of the networks. This paper discusses a scheme of network architecture to cove a whole city in multi-tier heterogeneous networks, which consist of wireless sensor networks, access networks and a backbone network. We first review previous studies for citywide damage monitoring, and then discuss the feature of multi-tier heterogeneous networks to cover a citywide area.
Long term monitoring of a cable stayed bridge using DuraMote
Torbol, Marco,Kim, Sehwan,Shinozuka, Masanobu Techno-Press 2013 Smart Structures and Systems, An International Jou Vol.11 No.5
DuraMote is a remote sensing system developed for the "NIST TIP project: next generation SCADA for prevention and mitigation of water system infrastructure disaster". It is designed for supervisory control and data acquisition (SCADA) of ruptures in water pipes. Micro-electro mechanical (MEMS) accelerometers, which record the vibration of the pipe wall, are used detect the ruptures. However, the performance of Duramote cannot be verified directly on a water distribution system because it lacks an acceptable recordable level of ambient vibration. Instead, a long-span cable-stayed bridge is an ideal test-bed to validate the accuracy, the reliability, and the robustness of DuraMote because the bridge has an acceptable level of ambient vibration. The acceleration data recorded on the bridge were used to identify the modal properties of the structure and to verify the performance of DuraMote. During the test period, the bridge was subjected to heavy rain, wind, and a typhoon but the system demonstrates its robustness and durability.
Long term monitoring of a cable stayed bridge using DuraMote
Marco Torbol,김세환,Masanobu Shinozuka 국제구조공학회 2013 Smart Structures and Systems, An International Jou Vol.11 No.5
DuraMote is a remote sensing system developed for the “NIST TIP project: next generation SCADA for prevention and mitigation of water system infrastructure disaster”. It is designed for supervisory control and data acquisition (SCADA) of ruptures in water pipes. Micro-electro mechanical (MEMS) accelerometers, which record the vibration of the pipe wall, are used detect the ruptures. However, the performance of Duramote cannot be verified directly on a water distribution system because it lacks an acceptable recordable level of ambient vibration. Instead, a long-span cable-stayed bridge is an ideal test-bed to validate the accuracy, the reliability, and the robustness of DuraMote because the bridge has an acceptable level of ambient vibration. The acceleration data recorded on the bridge were used to identify the modal properties of the structure and to verify the performance of DuraMote. During the test period, the bridge was subjected to heavy rain, wind, and a typhoon but the system demonstrates its robustness and durability.