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A new record of Reticulitermes kanmonensis Takematsu, 1999 (Isoptera: Rhinotermitidae) from Korea
이원훈,최득수,지정연,김남희,한정민,박수현,이성진,서민석,황원중,Brian T. Forschler,Yoko Takematsue,이용현 한국응용곤충학회 2015 Journal of Asia-Pacific Entomology Vol.18 No.3
In this study, we report the first record of Reticulitermes kanmonensis from Korea verified using soldier morphological characters and haplotypes obtained from two mitochondrial genes. R. kanmonensis Takematsu, 1999 (Isoptera: Rhinotermitidae) was collected from Pinus densiflora Siebold & Zucc. (Pinaceae) stumps in two provinces, Jeollabuk-do and Chungcheongnam-do, Korea.We compared R. kanmonensis with themore common Reticulitermes speratus kyushuensis Morimoto, 1968 using morphological and molecular characters. In the morphological comparison, R. kanmonensis was distinguished from R. speratus kyushuensis by a significantly higher number of hairs on the pronotum and ratio of the posterior postmentum width and length. In the molecular comparison, R. kanmonensis revealed genetic differences of 5.49% (range 5.20%–5.80%) and 8.11% (range 8.00%–8.80%) from R. speratus kyushuensis using the cytochrome oxidase subunit I (COI) and subunit II (COII) gene sequences, respectively.
Takematsu, Tetsuo 한국작물학회 1978 Korean journal of crop science Vol.23 No.3
Some of the remarkable accomplishments mentioned in the special lecture recalling 38 years of my research on the development of herbicides can be summarized as follows; 1) The physiology, movement in the soil, and decomposition and/or inactivation of the phenoxy and other herbicides by the invention of the Raphanus test were elucidated. And these findings led to the establishment of the theory of herbicidal treatment layer with the result of the origination of the application of PCP in flooded lowland paddy, which opened new era of soil application of herbicides in lowland paddy. 2) The granulation of herbicides for lowland paddy including PCP urea was developed. 3) The fact that propanil has generic selectivity in gramineae was found. And propanil was distributed in rice growing regions of the world. In addition, satanil for upland and propanil/NAC for flooded lowland paddy, propanil mixtures, were developed. 4) 15 kinds of new herbicides derived from plant hormones developed in my laboratory were develop ed, and the research trends in the future were presented.
Brassinolide와 기존 식물생장조절제(植物生長調節劑)와의 상호작용(相互作用)
최충돈,죽송철부,죽내안지,김길웅,Choi, C.D.,Takematsu, T.,Takeuchi, Y.,Kim, K.U. 한국잡초학회 1987 Weed&Turfgrass Science Vol.7 No.1
새로운 식물생장조절제(植物生長調節劑)인 brassinolide와 기존(旣存) 식물생장조절물질(植物生長調節物質)과의 혼용(混用)의 효과(?果)를 우우 불배축(不胚軸)의 신장반응(伸長反應)으로 조사(調査)하여 얻어진 결과(結果)를 요약(要約)하면 다음과 같다. 1. HBR 단독처리(單獨處理)는 처리농도(處理濃度)가 0.1 에서 1.0ppm 증가(增加)할 수록 무우 하배축(下胚軸)의 신장(伸長)이 촉진(促進)되었으며 무처리(無處理)에 비(比)하여 1.0 ppm에서 60% 이상(以上) 증대(增大)시켰다. 2. GA나 BA의 단독처리(單獨處理)는 처리농도(處理濃度)에 관계(關係)없이 하배축(下胚軸) 신장(伸長)을 촉진(促進)시키지 못하였으나 IAA는 처리농도(處理濃度)가 증가(增加)할 수록 다소(多少) 증가(增加)시켰다. 3. HBR과 GA, BA 및 IAA와의 혼용(混用)은 HBR의 농도(濃度)가 증가(增加)할수록 무우 하배축(下胚軸)의 신장(伸長)의 증대(增大)시켰다. 4. HBR과 GA 및 BA와의 상호작용(相互作用)의 반응(反應)은 대체로 길항적(拮抗的)이며 HBR과 IAA와는 HBR의 0.03 ppm에서 0.3ppm과 IAA 3.0ppm에서 10.0 ppm 혼용(混用)에서 상승작용(相乘作用)을 나타냈으며 저농도(低濃度) 조합(組合)에서 5% 미만(未滿)의 길항(拮抗) 또는 상가반응(相加反應)을 보였다. 5. B-9과 CCC 단독처리(單獨處理)는 농도(濃度)가 증가(增加)할수록 무우 하배축(下胚軸)의 신장(伸長)이 억제(抑制)되었으나 HBR과 혼용(混用)하므로 신장(伸長)이 회복(回復)되었고 HBR에 의해 유도(誘導)된 신장(伸長)이 B-9에 의해서 억제(抑制)되지 않았으나 CCC에 의해서는 크게 억제(抑制)되어 강(强)한 길항관계(拮抗關係)가 있는 것으로 나타났다. This study was attempted to evaluate the combining effect of HBR (homobrassinolide) with the known growth regulators such as GA (gibberellic acid), BA(6-benzyl aminopurine), IAA (indole-3-acetic acid), B-9 (N-dimethylamino succinamic acid) and CCC (2-chloroethyl-trimethylammonium chloride) on the growth of radish hypocotyl. A single application of HBR increased hypocotyl growth as its rates increased from 0.1 to 1.0 ppm, showing a maximum increase at 1.0 ppm. GA and BA had no direct effects on hyopcotyl growth, but IAA showed some effect as its concentration increased. However, the mixed application of HBR with GA, BA and IAA increased the length of radish hypocotyl as the concentration of HBR became higher. The mixture of HBR with GA and BA showed antagonistic reaction on radish hypocotyl growth, but synergistic effect was shown in the higher rate mixture of HBR with IAA in the range of HBR at 0.03 to 0.30 ppm with IAA at 3.0 to 10.0 ppm, but antagonistic or additive response at the mixture of low rates. An increased growth of hypocotyl by HBR was ified by CCC, showing the strong antagonistic reaction, but B-9 was not able to ify HBR's effect on hypocotyl growth.
Caplan Mordechai,Friedman Benjamin W.,Siebert Jason,Takematsu Mai,Adewunmi Victoria,Gupta Chiraag,White Deborah J.,Irizarry Eddie 대한응급의학회 2023 Clinical and Experimental Emergency Medicine Vol.10 No.3
Objective: Individual experience with opioids is highly variable. Some patients with acute pain do not experience pain relief with opioids, and many report no euphoria or dysphoric reactions. In this study, we describe the clinical phenotypes of patients who receive intravenous opioids. Methods: This was an emergency department-based study in which we enrolled patients who received an intravenous opioid. We collected 0 to 10 pain scores prior to opioid administration and 15 minutes after. We also used 0 to 10 instruments to determine how high and how much euphoria the patient felt after receipt of the opioid. Using a cutoff point of ≥50% improvement in pain and the median score on the high and euphoria scales, we assigned each participant to one of the following clinical phenotypes: pain relief with feeling high or euphoria, pain relief without feeling high or euphoria, inadequate relief with feeling high or euphoria, and inadequate relief without feeling high or euphoria. Results: A total of 713 patients were enrolled, 409 (57%) of whom reported not feeling high, and 465 (65%) reported no feeling of euphoria. Median percent improvement in pain was 37.5% (interquartile range, 12.5%–60.0%). One hundred seventy-eight participants (25%) were classified as experiencing pain relief with euphoria or feeling high, 190 (27%) experienced inadequate relief with euphoria or feeling high, 101 (14%) experienced pain relief without euphoria or feeling high, and 244 (34%) reported inadequate relief without euphoria or feeling high. Conclusion: Among patients who receive intravenous opioids in the emergency department, the experiences of pain relief and euphoria are highly variable. For many, pain relief is independent of feeling high.
New findings from CREAMS Observations: Water Masses and Eddies in the East Sea
Kim, Kuh,Kim, Kyung-Ryul,Kim, Young-Gyu,Cho, Yang-Ki,Chung, Jong-Yul,Choi, Byung-Ho,Byun, Sang-Kyung,Hong, Gi-Hoon,Takematsu, Masaki,Yoon, Jong-Hwan,Volkov, Yuri,Danchenkov, Mikhail The Korean Society of Oceanography 1996 Journal of the Korean Society of Oceanography Vol.31 No.4
CREAMS (Circulation Research of the East Asian Marginal Seas) is an international research program, which began in 1993 in order to understand the water mass structure and circulation in the East Sea. Since the beginning of CREAMS, there have been four cruises in the summer and two in the winter, covering most parts of the East Sea for the first time in more than 60 years since the historical survey reported by Uda (1934). CREAMS investigations have provided many new insights into the various aspects of oceanographic problems in the East Sea such as water masses, deep sea currents and circulation, eddies, particle fluxes and so on. In this paper, we briefly review understandings before CREAMS and summarize initial new findings from CREAMS expeditions in terms of water masses and currents.