Safe Wireless Power Transmission Using Low Leakage 2D-Communication Sheet

Akihito Noda,Hiroyuki Shinoda 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8

In this paper, we present a new type of coupler which is applicable to low leakage two-dimensional communication (2DC) sheets. Our 2DC system can transfer signals and powers simultaneously by using microwaves which travels in a two-dimensional medium. The goal of this paper is supplying 1 W/cm power through the sheet safely. In this paper, the safeness is evaluated in terms of localized specific absorption rate (SAR), according to the International Commission on Non-Ionizing Radiation Protection (ICNIRP) Safety Guidelines. First of all, a low leakage 2DC sheet that satisfies above criteria is designed. Next, it is clarified that the problem is the conventional 2DC power transmission coupler cannot extract enough power from the low leakage sheet. As an alternative to the conventional coupler, we propose a coupler which has a capacitive reactance layer on its surface. Finally we present a measurement result which indicates that proposed system can transfer 0.54 W/cm power safely.

Hardware design system with the voice communication

Akihito Honda,Hideo Araki,Katsumi Harashima,Toshiro Kutuwa 대한전자공학회 2002 ITC-CSCC :International Technical Conference on Ci Vol.2002 No.7

Cis-element architecture of Nrf3–sMaf heterodimer binding sites and its relation to diseases

Akihito Otsuki,Masayuki Yamamoto 대한약학회 2020 Archives of Pharmacal Research Vol.43 No.3

Cellular detoxication is essential for healthbecause it provides protection against various chemicalsand xenobiotics. The KEAP1–NRF2 system is important forcellular defense against oxidative and electrophilic stressesas NRF2 activates the transcription of an array of cytoprotectivegenes, including drug-metabolizing and antioxidantenzymes, in a stress-dependent manner. The CNC family oftranscription factors, including NRF2, form heterodimerswith small Maf (sMaf) proteins and bind to consensus DNAsequences that have been referred to as antioxidant responseelement, electrophile response element, or NF-E2-bindingelement. These sequences are now collectively called CNC–sMaf binding element (CsMBE). In addition to forming aheterodimer with CNC proteins, sMaf proteins can formhomodimers and recognize regulatory motifs called Maf recognitionelement (MARE). Although the CsMBE sequencesubstantially overlaps with that of MARE, the sequencesdiffer. NRF2 selectively recognizes CsMBE, which is criticalfor cytoprotection. Recent advances in high-throughputsequencing and population-scale genome analysis providenew insights into the transcriptional regulation involved inthe stress response. The integration of a genome-wide mapof NRF2 occupancy with disease-susceptibility loci revealsthe associations between polymorphisms in CsMBE and diseaserisk, information useful for the personalized medicineof the future.

Design Implications of a Conversational Agent in an Implicitly-Persuasive Application

Akihito Yoshii,Tatsuo Nakajima 보안공학연구지원센터 2014 International Journal of Software Engineering and Vol.8 No.10

How to Interpret a Functional or Motility Test : How to Interpret a Functional or Motility Test -Slow Nutrient Drinking Test

( Akihito Iida ),( Hiroshi Kaneko ),( Toshihiro Konagaya ),( Kunio Kasugai ) 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 2012 Journal of Neurogastroenterology and Motility (JNM Vol.18 No.3

The gastric barostat study is the gold standard method for evaluating gastric perception and accommodation. This technique has serious drawbacks, such as expense and invasiveness. Several drinking tests have been developed as noninvasive methods. Such tests are easily performed without special instruments and are well tolerated. We have reported that (1) a threshold volume inducing mild bloating in the slow nutrient drinking test might be an alternative parameter of gastric accommodation volume as determined by the barostat method and (2) the maximum satiety volume in the drinking test correlated positively with the pressure to induce severe discomfort in healthy volunteers, indicating that the slow nutrient drinking test may be useful for evaluating accommodation volume and the threshold to induce severe discomfort. However, the correlation between the maximum satiety drinking volume and accommodation volume as measured by the barostat study has been controversial. Therefore, validation of a certain nutrient drink test for measuring gastroduodenal function might be recommended in each institution. (J Neurogastroenterol Motil 2012;18:332-335)

Evaluation of potential as metal resources of molten metals produced from gasification melting and ash melting facilities

( Akihito Nakamine ),( Toshihiko Matsuto ),( Takayuki Matsuo ) 한국폐기물자원순환학회(구 한국폐기물학회) 2018 한국폐기물자원순환학회 심포지움 Vol.2018 No.1

In Japan, there are many ash melting process and gasification melting system are working. Because of high transfer rate of precious metal such as Au, molten metals can be considered as metal resources. In this study, potential as metal resources of molten metals from various types of gasification melting and ash melting facilities was investigated. The questionnaire survey was conducted to all ash melting system and so-called shaft-type gasification system, which produce metals, and sampling was requested. Because precious and rare metal are used in home appliances, collection activity of small electric appliances were investigated. As a result, metal and slag samples were provided from 28 facilities (27.7%). Sample for analysis were taken by c one -quartering method, and it was crushed with a hammer. After digested in HF and aqua regia. Au, Pt, Pd were analyzed by ICP mass spectrometry. Cu was analyzed by ICP emission spectrometry. Si, Ca, Fe were analyzed by XRF. Metal resource potential was evaluated by Total material requirement (TMR), which is the total weight of mass which are moved when the material is mined. The rarer the metal is, the higher TMR per unit weight. Concentration in metal of Au, Pt, Pd is shown in Fig 1, in which Group 1 is electric ash melting furnaces, Group2 is fuel type ash melting furnaces and a DC electric resistance type ash melting furnace, Group3 is coke bed type gasification melting furnaces, and Group4 is oxygen type gasification melting furnaces. Figl shows that concentrations of metals in Group 3 are smaller than in other groups. The different level of concentration could be explained by dilution effect of major constituents shown in Fig.2, which is estimated by multiplying Si, Ca, Fe concentration in metal with weight percentage of metal among all outputs. The transfer rate Si and Ca in Group3 is the highest, and Group 2 show high Fe transfer rate to metal. Ca is derived from slaked lime supplied in the furnace in Group 3, but source of Si is not known yet. Fig.3 shows the estimated TMR which is almost the same tendency as in Fig. 1. Group2 shows the highest TMR, which followed by Group 1 and Group3. There are large variations in Group4. Total amount of metals in all outputs was not correlated with recycling activity of small home appliance. In conclusion, type of furnace influences potential as metal resources of molten metals. The reason is that the amount of transferring Si, Ca and Fe is different by type of furnace.

최신산업간호연구동향 - 일중독 성향이 근로자의 건강에 이로운가 해로운가?: 일본 근로자들의 일중독 성향과 성과몰입의 특이성

Shimazu, Akihito,Schaufeli, Wilmar B. 한국산업간호협회 2009 한국산업간호협회지 Vol.16 No.4

Characteristics of Negative Peak Wind Pressure acting on Tall Buildings with Step on Wall Surface

Yoshida, Akihito,Masuyama, Yuka,Katsumura, Akira Council on Tall Building and Urban Habitat Korea 2019 International journal of high-rise buildings Vol.8 No.4

Corner cut, corner chamfered or a building shape change are adopted in the design of tall buildings to achieve aerodynamic superiority as well as response reduction. Kikuchi et.al pointed out that large negative peak external pressures can appear near the inside corner of set-back low rise buildings. It is therefore necessary to pay attention to facade design around steps in building surfaces. Peak wind pressures for corner cut or corner chamfered configurations are given in the AIJ code. However, they cannot be applied where there are many variations of vertical and horizontal steps. There has been no previous systematic research on peak wind pressures around steps in building surfaces. In this study, detailed phenomenon of peak wind pressures around steps in buildings are investigated focusing on vertical and horizontal distances from the building's corner.

Searching for new ways to make good use of meat : The Solubilization of Myofibrillar Proteins of Vertebrate Skeletal Muscle in Water

Hattori. Akihito 한국축산식품학회 2004 심포지움 및 학술발표회 Vol.- No.34

Shinto Shrines and Urban Reconstrucion of Seoul Focusing on Chosen Jingu Project

Aoi, Akihito 서울시립대학교 부설 서울학연구소 2008 서울학연구 Vol.- No.32

This paper has made clear a contrast between the initial and the second survey on the site for Chosen Jingu. The former was characterized by its contextualism to assimilate the shrine to the geography and the history of Japanese society constituted in Seoul over the decades. This resulted in the selection at Wajodai, the northern slope of Namsan. This tunnel-visioned way of thinking was criticized by Chuta Ito who undertook the second survey. Ito reaffirmed the principIe that Chosen Jingu would be the general shrine of whole Chosen. He selected Hanyang Park, the western ridge of the Namsan. When the shrine was to built there, it could project its aspect forward from the hill and realize a visual correspondence with the city including Ryuzan. It also could have physical connection to the General Government Office (built in front of the Gyeonbokgung in 1926) through the north-south urban axis created by the urban renewal projects and decorated by the public edifices built between 1925 and 1926. On the other hand, as early as 1911 after Annexation, rhe existing state rituals performed by the Chosen Dynasty were deprived of public status or room for survival because of their similar characteristics to the State Shinto. Keijo Jinja (originally built in the 1890s as a shrine for Japanese residents), replacing these royal rituals, began to welcome visits of not only commoners, but also Japanese rulers and even the royal family of Chosen. In 1925, Chosen Jingu finally obtained the role of state shrine and the purpose of Keijo Jinja was restricted as a role of the local shrine of Keijo. It involved Korean citizens in ujiko organization in 1926 and the reconstrucdon project was decided in the same year (complered in 1929). Through this process, Chosen Jingu and Keijo Jinja was structurally incorporated in the city, occupying the right place according to their respective definitions in the system of State Shinto, and thus the physical conflguration of politico-religious order was established at the same time. In this sense, the 'project' to rebuild Seoul into a colonial capital city was completed by the late 1920s. From around 1935, however, the situation changed again. The Japanese government began to expect every shrine to serve to mobilize people into war. Keijo Jinja was upgraded co the state shrine (ranked as the Kokuhei-shosha 國幣小社 the Small National Shrine) and the project was decided in around 1935 to expand the scope ofits precinct from 23,500㎡(data from 1932) to 156,600㎡. Furthermore, another shrine called Keijo Gokoku Jinja was founded in 1943 on southwest slope of Namsan facing the extensive Imperial Army Base of Ryuzan district. Three shrines in Keijo were now all under the direct state management. Chuta Ito was already absent from the center srage of state shrine projects and the strengthened power of government engineers was thrown into these projects. Namsan and city of Keijo were certainly changing again. The process in wartime is, however, not the subject of the paper.