著者
松本 嘉夫 白井 道子
出版者
公益社団法人 日本分析化学会
雑誌
分析化学 (ISSN:05251931)
巻号頁・発行日
vol.12, no.7, pp.608-611, 1963-07-05 (Released:2010-05-25)
参考文献数
1
被引用文献数
3 1

ロ紙上でCr3+のスポットにフェロシアン化カリウム溶液(たとえば5%水溶液)を噴霧すると,噴霧直後は少しも呈色しないが約3時間後には顕著な黄色を呈し,それが数日間安定であり,また水溶液中においてもCr3+にフェロシアン化カリウムを加えると溶液の色調が徐々に変化し,3時間後には液は橙黄色を呈することがわかったので,ペーパークロマトグラフィーを用いてCr3+の定性分析を行なう方法を研究した.展開剤は田村らの研究による溶媒系を用い,呈色試薬として前記のフェロシアン化カリウムを用いてごく普通の陽イオンおよびCrO42-からCr3+を区別する実験を行なった結果,クロマトグラムの位置および呈色の相違を利用してCr3+を区別確認することができた.本方法によるCr3+の確認限界量は約5μgであり,クロム酸に変化させてジフェニルカルバジドで呈色させる従来の方法に比して感度においてやや劣るが操作は簡単,呈色は安定で信頼性がある.
著者
黒澤 祐司 小林 昭男 宇多 高明 野志 保仁 遠藤 将利 古谷 真広
出版者
公益社団法人 土木学会
雑誌
土木学会論文集B2(海岸工学) (ISSN:18842399)
巻号頁・発行日
vol.68, no.2, pp.I_1461-I_1465, 2012 (Released:2012-11-15)
参考文献数
5
被引用文献数
1

In beach nourishment using gravel, the macadam gravel is used so that the sharp-pointed shape of gravel is of concerned. In this study, the change in the shape of gravels due to wave abrasion was investigated. Gravel samples were collected from the Jinkoji and Akashi coasts in Ibaraki Prefecture, where beach nourishment using coarse materials have been carried out since 2005, and grain size and roundness were measured. It was found that roundness of gravels with an initial value of 0.2 converged to 0.4-0.5 within four years and nine months. Due to the abrasion test of sampled gravels without steel bowls, the content of gravel was as high as 92% of all the volume after the rotation of 1200 times.
著者
Kazuhiko Saigo Naomi Kubota Shoko Takebayashi Masaki Hasegawa
出版者
(社)日本化学会
雑誌
Bulletin of the Chemical Society of Japan (ISSN:00092673)
巻号頁・発行日
vol.59, no.3, pp.931-932, 1986 (Released:2006-06-27)
参考文献数
9
被引用文献数
61

(±)-1,2-Diphenylethylenediamine (DPEDA) was efficiently resolved by the fractional crystallization of its diastereomeric salts with optically active mandelic acid. 1H-NMR spectrum of N-monoacylated DPEDA with an optically active derivatizing agent showed that DPEDA thus obtained was optically pure.
著者
杉本 諭 籠谷 登志夫 前田 徹
出版者
一般社団法人 粉体粉末冶金協会
雑誌
粉体および粉末冶金 (ISSN:05328799)
巻号頁・発行日
vol.53, no.3, pp.251-257, 2006 (Released:2006-08-18)
参考文献数
16
被引用文献数
1 2

Recently, the use of microwaves in the GHz range has increased because of the demand for large data transmission. However, the problem of electromagnetic interference (EMI) has become serious, and much attention has been paid to microwave absorption materials. We have investigated magnetic loss of permanent magnet materials at natural resonance frequency, and have succeeded in the development of microwave absorbers using M-type (or W-type ferrite) and RE-Fe-B (RE: rare earth) compounds. The resonance frequency can be controlled by substitution of Fe3+ ion with other metal ion in the M-type or W-type ferrite. The resin composite of M-type ferrite shows wide bandwidth, in which the reflection loss (R.L.) is less than −20 dB. In the RE-Fe-B compounds, the substitution of RE with Sm or the fabrication of nanocomposite with a soft magnetic phase is effective method for controlling their resonance phenomena and functional frequency as microwave absorbers. The powder with fine α-Fe structure, which is produced by the disproportionation reaction of RE-Fe compounds, is useful for the filler of resin composite microwave absorbers in several GHz range.
著者
Leticia S. Murate Fernanda G. Paião Adriana M. de Almeida Angelo Berchieri Jr. Massami Shimokomaki
出版者
日本家禽学会
雑誌
The Journal of Poultry Science (ISSN:13467395)
巻号頁・発行日
vol.52, no.1, pp.52-56, 2015 (Released:2015-01-25)
参考文献数
22
被引用文献数
2 27

This study aimed to evaluate the efficacy of dietary prebiotic, probiotic, and synbiotic products for controlling infection in laying hens and broiler chickens challenged with Salmonella enterica serovar Enteritidis (SE). These products could replace the use of antibiotics, which would avoid the problem of hastening antimicrobial resistance for both types of birds. Salmonella-free 1-day-old (1-d-old) layers chicks and broilers chicks were inoculated with SE resistant to nalidixic acid and spectinomycin (SE Nalr Specr) and divided into four groups: 1) control (without feed additives); 2) probiotic (Bacillus subtilis, Lactobacillus acidophilus, L. casei, Enterococcus faecium, Bifidobacterium longum); 3) prebiotic (inulin, fructooligosaccharide, mannanoligosaccharide, and oligosaccharide); and 4) synbiotic (85% of the probiotic+15% of the prebiotic additives). The presence of SE Nalr Specr in cloacal swabs was analyzed at 7, 14, and 21 days post-infection (dpi) in laying hens and broilers. The number of SE Nalr Specr per gram of cecal contents was determined at 7, 14, and 21 dpi in laying hens and at 2, 5, 7, 14, and 21 dpi in broilers. The results showed that the prebiotic additive reduced the occurrence of SE in cloacal swabs from laying hens but not from broilers. In the groups of laying hens and broilers that received prebiotics, the isolation and counts of SE Nalr Specr were lower during the first week post-infection but not throughout the experiment. The probiotic and synbiotic additives did not influence the SE infection in laying hens and broilers; in contrast prebiotics had a protective effect during the first week post-infection.
著者
松本 忠博 池田 尚志
出版者
一般社団法人 言語処理学会
雑誌
自然言語処理 (ISSN:13407619)
巻号頁・発行日
vol.15, no.1, pp.23-51, 2008-01-10 (Released:2011-03-01)
参考文献数
39
被引用文献数
1 2 3

手話は言語でありろう者の母語である.手話と音声言語の間のコミュニケーションには手話通訳が必要となるが, 手話通訳士の数は圧倒的に不足している.両言語間のコミュニケーションを支援する技術が期待される.本論文は日本語と手話との間の機械翻訳を目指して, その一つのステップとして, 日本語テキストから手話テキストへの機械翻訳を試みたものである.機械翻訳をはじめとする自然言語処理技術はテキストを対象としているが, 手話には文字による表現がないため, それらを手話にそのまま適用することができない.我々は言語処理に適した日本手話の表記法を導入することで, 音声言語間の翻訳と同様に, 日本語テキストから手話テキストへの機械翻訳を試みた.日本語から種々の言語への機械翻訳を目的として開発中のパターン変換型機械翻訳エンジンjawをシステムのベースに用いている.目的言語である手話の内部表現構造を設定し, 日本語テキストを手話の表現構造へ変換する翻訳規則と, 表現構造から手話テキストを生成する線状化規則を与えることで実験的な翻訳システムを作成した.日本手話のビデオ教材等から例文を抽出し, その翻訳に必要な規則を与えることで, 日本語から手話に特徴的な表現を含んだ手話テキストへの翻訳が可能であることを確認するとともに, 現状の問題点を分析した.
著者
Karin UESAKA Masaki MAEZAWA Hisashi INOKUMA
出版者
公益社団法人 日本獣医学会
雑誌
Journal of Veterinary Medical Science (ISSN:09167250)
巻号頁・発行日
pp.15-0392, (Released:2015-10-31)
被引用文献数
4

A serological survey of Borrelia infection of dogs was performed in Sapporo, Japan, where Borrelia garinii infection in dogs was detected in 2011. A total of 314 serum samples were collected from dogs that visited three animal hospitals in Sapporo from 2012 to 2014. The two-step evaluation method, involving screening ELISA followed by Western blot analysis, was used to detect antibodies against Borrelia species. A total of 34 samples were positive by ELISA. Among those 34 samples, 32 were positive for Borrelia spp. by Western blot. These findings suggest that the 32 dogs (10.2%) generated antibodies against Borrelia burgdorferi sensu lato, such as B. garinii or B. afzelii. Antibody positivity was 7.6% and 13.3% for dogs living in urban and rural areas, respectively. Dogs with a history of tick infestation showed a positive rate of 16.7%, which was higher, although not significantly, than the 6.7% among dogs without a history.
著者
Melanie HAAS Franz-Josef KAUP Stephan NEUMANN
出版者
公益社団法人 日本獣医学会
雑誌
Journal of Veterinary Medical Science (ISSN:09167250)
巻号頁・発行日
pp.15-0415, (Released:2015-10-31)
被引用文献数
1 19

Interleukin-8 (IL-8 or CXCL8) is a highly selective pro-inflammatory chemokine, that is elevated in sera of humans and animals with various inflammatory diseases. CXCL8 is possibly involved in uncontrolled inflammation and the development of a systemic inflammatory response syndrome (SIRS) and sepsis. Nevertheless, its behavior and precise properties in the course of inflammation are not fully understood. Thus, we used naturally occurring canine pyometra as a model of inflammation, in order to examine the behavior of serum CXCL8 in relation to the disease intensity and commonly analyzed inflammatory mediators. Using a commercially available canine ELISA kit, a significant increase of CXCL8 was determined in the serum of 23 dogs with pyometra compared with 35 healthy dogs. Interestingly, serum CXCL8 did not increase in severely diseased patients and behaved contrary to white blood cells (WBC), neutrophils and C-reactive protein (CRP). The measurement of serum CXCL8 may provide valuable information about the extent of ongoing lesions and could be a useful complement for existing laboratory tests.
著者
Nozomi SHIWA Hassadin BOONSRIROJ Kazunori KIMITSUKI Taichi SHIMATSU Chun-Ho PARK
出版者
公益社団法人 日本獣医学会
雑誌
Journal of Veterinary Medical Science (ISSN:09167250)
巻号頁・発行日
pp.15-0467, (Released:2015-10-31)
被引用文献数
2

A 15-year-old, female mixed-breed dog presented with abdominal distention. An exploratory laparotomy revealed a large left ovarian mass (20 × 15 × 12 cm). Histopathological examination of the mass revealed a mixed myxoid liposarcoma and a well-differentiated leiomyoma. Four months after surgical removal of the mass, the dog died due to multiorgan metastasis. The metastasis was composed solely of the liposarcoma component. The liposarcoma component was Alcian Blue- and Oil red O-positive, and demonstrated immunoreactivity with S-100, adipophilin and vimentin. Electron microscopy revealed that the tumor cell cytoplasms were packed with lipid vacuoles and dilated rough endoplasmic reticulum. To our knowledge, this is the first report of myxoid liposarcoma and leiomyoma co-existing in a canine ovary.
著者
帆足 英一
出版者
一般社団法人 日本小児神経学会
雑誌
脳と発達 (ISSN:00290831)
巻号頁・発行日
vol.9, no.4, pp.303-310, 1977-07-01 (Released:2011-05-24)
参考文献数
21

夜尿症の病態生理を明らかにする目的で, idiopathic enuresis 21例について終夜睡眠ポリグラフを第1夜に記録し, 分析をおこなった.1) 正常児と比較して, 睡眠段階の割り合いはSV, S1, S3の増加, SREM, S4の減少傾向がみられた.2) 夜尿時の睡眠段階は, 22回の夜尿のうちS2で12例 (54.5%) と多く, S3, SREMは各1例と少ない.3) 夜尿前後の睡眠段階の変化から, 覚醒機構の未熟性あるいは障害が推定された.4) REM睡眠とNREM睡眠の周期的変動の乱れがつよく, 入眠期の障害とREM睡眠の睡眠内周期の障害が推定された
著者
Peter Berthold Ulrich Querner
出版者
Yamashina Institute for Ornitology
雑誌
山階鳥類研究所研究報告 (ISSN:00440183)
巻号頁・発行日
vol.14, no.2-3, pp.157-165, 1982-12-20 (Released:2008-11-10)
参考文献数
31
被引用文献数
6 11

Suspended moult is a special adaptive moult strategy which is widespread in long-distance migrants. The replacement of remiges and rectrices in this type of moult starts before migration but then is interrupted during migration. So far, it has virtually not been investigated experimentally. We carried out an investigation on the Orphean Warbler, Sylvia hortensis, an European trans-Saharan migrant known commonly to suspend its moult. We studied 15 trapped adults and 8 handraised young individuals, which were kept in light conditions simulating those to which freeliving conspecifics are normally exposed in the course of a year. In the first experimental year, the adults, caught during breeding, all suspended their moult and retained some old primaries, secondaries, and tertials. In the second experimental year, when the same birds were prevented from breeding, they moulted weeks earlier, and, as a result, completed their moult before the migratory period. Similarly, the handraised birds showed a complete moult in their second year. Thus, the suspended moult of the Orphean Warbler is not based on strictly endogenously controlled moult programs with preprogrammed moult pauses. Moult in this species can be adapted on a facultative basis to various conditions experienced. The course of the moult and its suspension appear to be linked to the preceeding individual breeding season, and some conceivable control mechanisms are discussed in detail.
著者
Yuichi Nakamura Yoshiki Sameshima Toshihiro Yamauchi
出版者
一般社団法人 情報処理学会
雑誌
Journal of Information Processing (ISSN:18826652)
巻号頁・発行日
vol.23, no.5, pp.664-672, 2015 (Released:2015-09-15)
参考文献数
31
被引用文献数
3

Security-Enhanced Linux (SELinux) is a useful countermeasure for resisting security threats to embedded systems, because of its effectiveness against zero-day attacks. Furthermore, it can generally mitigate attacks without the application of security patches. However, the combined resource requirements of the SELinux kernel, userland, and the security policy reduce the performance of resource-constrained embedded systems. SELinux requires tuning, and modified code should be provided to the open-source software (OSS) community to receive value from its ecosystem. In this paper, we propose an embedded SELinux with reduced resource requirements, using code modifications that are acceptable to the OSS community. Resource usage is reduced by employing three techniques. First, the Linux kernel is tuned to reduce CPU overhead and memory usage. Second, unnecessary code is removed from userland libraries and commands. Third, security policy size is reduced with a policy-writing tool. To facilitate acceptance by the OSS community, build flags can be used to bypass modified code, such that it will not affect existing features; moreover, side effects of the modified code are carefully measured. Embedded SELinux is evaluated using an evaluation board targeted for M2M gateway, and benchmark results show that its read/write overhead is almost negligible. SELinux's file space requirements are approximately 200Kbytes, and memory usage is approximately 500Kbytes; these account for approximately 1% of the evaluation board's respective flash ROM and RAM capacity . Moreover, the modifications did not result in any adverse side effects. The modified code was submitted to the OSS community along with the evaluation results, and was successfully merged into the community code.
著者
長谷 暢一 松浦 誠司 山口 雅篤
出版者
一般社団法人 園芸学会
雑誌
園芸学研究 (ISSN:13472658)
巻号頁・発行日
vol.4, no.2, pp.125-129, 2005 (Released:2005-10-28)
参考文献数
15
被引用文献数
4 7

パンジーにおけるHPLCを用いたフラボノイド分析を行った. その結果, それぞれ6種類のアントシアニンおよびフラボノール類が検出された. そのうち, 4種類のアントシアニンはDp3RG, Cy3RG, Dp3pCRG5G(ナスニン)およびCy3pCRG5Gであり, また1種類のフラボノール類はQu3RG(ルチン)であった. 黄色および白色系統においてアントシアニンは検出されなかった. 青色系統はナスニンおよび6種類全てのフラボノール類が主要色素として存在し, 系統間でその含量の違いが認められたことから, コピグメントによる花色幅の拡大の可能性が示唆された. 赤色系統はアントシアニンのCy3RGおよびルチンを含む3種類のフラボノール類が主要色素であり, また赤紫系統では特異的なアントシアニン(Cy3pCRG5G)が多く含まれ, 赤色系統および赤紫系統はアントシアニンの違いにより花色が異なることが示唆された. これらのことから, パンジーの新規花色品種育種におけるHPLC分析の有効性が示された.
著者
市川 貴美代 稲本 勝彦 土井 元章 今西 英雄
出版者
日本緑化工学会
雑誌
日本緑化工学会誌 (ISSN:09167439)
巻号頁・発行日
vol.29, no.1, pp.141-146, 2003 (Released:2005-09-16)
参考文献数
15
被引用文献数
1 1 1

温度と期間を変えてクロッカス(Crocus medius Balb.),スイセン(Narcissus cyclamineus DC),ムスカリ(Muscari armeniacum Leithl. ex. Bak)の球根を乾燥で貯蔵し,秋に露地に植付けた。クロッカスにおいては,20°Cでの貯蔵が花芽分化と開花を早めることに,30°Cでの貯蔵がこれらを遅らせることに有効であった。また,スイセンとムスカリでは花茎伸長のための低温要求を9°Cでの貯蔵により満たすことで開花を早めることができた。複数の貯蔵方法を組合わせることにより,クロッカスでは11月から2月まで,スイセンとムスカリでは1月から4月まで,それぞれ連続して花を観賞することができた。冬季に開花した花は,季咲きに比べて観賞価値が長く保たれた。
著者
田島 康敬 須藤 和昌 松本 昭久
出版者
一般社団法人 日本脳卒中学会
雑誌
脳卒中 (ISSN:09120726)
巻号頁・発行日
vol.31, no.4, pp.245-250, 2009 (Released:2009-08-14)
参考文献数
14
被引用文献数
1 1

脳梗塞を繰り返したHIV感染を伴う神経梅毒の32歳男性例を報告する.症例は右上肢の脱力で発症し,この治療中に発熱,頭痛が加わり各種検査所見からHIV感染をともなう髄膜血管型神経梅毒と診断した.MRAでは脳底動脈,内頸動脈系の描出が不良であり左中大脳動脈の狭窄が顕著であった.ペニシリン投与により臨床症状,髄液,画像を含む検査所見の改善が得られた.しかしながら1カ月後に,意識障害を伴う重度の左片麻痺で再発した.右中大脳動脈は内頚動脈からの分岐部で描出されず,新鮮な梗塞巣が両側性に多発していた.治療により臨床症状,髄液,画像を含む検査所見の改善が得られたが重度の左麻痺が残存した. 本例は脳梗塞で発症し,その後梅毒とHIV感染が明らかになった症例である.近年の世界的なHIV感染の蔓延に伴い,これに伴う梅毒患者数の増加が問題となっており,症例の臨床症状や治療法の検討は大きな課題である.