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      • Treatment of fever with traditional Chinese medicine according to Zheng on cancer patients (based on case reports)

        Peng Cao,Lan-Ying Liu,Xue-Ting Cai,Xiao-Ning Wang,Jie-Ge Huo,Zhong-Ying Zhou 셀메드 세포교정의약학회 2012 셀메드 (CellMed) Vol.2 No.2

        Fever in cancer patients is often due to the following causes: evil qi and toxity stagnancy, disorders of qi and blood, deficiencies of zang and fu organs, and the disorder of yin and yang. The treatments given to cancer patients with a fever are according to five: (a) Excessive inner heat and toxicants: remove heat and the toxicant, induce purgation. We use Cheng-Qi-Tang plus Qing-Wen-Bai-Du-Yin. (b) Tangle of damp and heat, and qi stagnancy: remove damp and heat, smooth the qi channel. We use Gan-Lu-Xiao-Du-Dan or San-Ren-Tang. (c) Obvious blood and heat stagnancy: remove heat and blood stasis. We use Xue-Fu-Zhu-Yu-Tang. (d) Deficiency of spleen qi, inner heat caused by a yin deficiency: nourish spleen qi and yin to remove the inner heat. We use Bu-Zhong-Yi-Qi-Tang or Xiao-Jian-Zhong-Tang. (e) Prominent yin deficiency and hectic fever: replenish yin and remove inner heat. We use Qing-Hao-Bie-Jia-Tang or Chai-Qian-Mei-Lian-San. The pathogenesis of fever in cancer patients is complicated. We can see both deficiency and excess in one differentiation. Therefore, we must make sure of it, then we can get the most effective treatment.

      • One-Step Oxidation of Benzene Producing Eight High Value Compounds Using Nitric Acid and Hydrogen Peroxide

        Zhen-xue Liu,Zhong-xue Gan,Jun-jie Gu,Qing-feng Song 대전대학교 환경문제연구소 2015 환경문제연구소 논문집 Vol.19 No.-

        Benzene was oxidized by binary oxidants composed of nitric acid and hydrogen peroxide at 80℃. The product obtained was analyzed with gas chromatograph-mass spectrometer. Eight high value compounds, 2-nitrophenol, 2-chloro-6-nitrophenol, 4-chloro-2- nitrophenol, 2-chloro-4-nitrophenol, 2,4-dinitrophenol, 4-nitrophenol, 2,6-dinitrophenol and 2-chloro-4,6-dinitro-phenol were found, which they have high contents in the range from 4.28% to 32.52%. These compounds are very widely used in organic synthesis. e.g., synthesizing dye, medicines and chemical reagents, pesticide, explosive, polymer, etc.

      • KCI등재후보

        한중 동물 속담의 문화적 의미 대조

        Liu Xue Fei 한국어교육연구학회 2018 한국어교육연구 Vol.- No.9

        옛날부터 동물과 인류는 관계(인연)를 깊이 맺어오고 있었기 때문에 인류의 생산과 생활 관계가 매우 밀접하다. 동시에 동물에 관한 속담은 오랫동안 민족의 정신문화에도 큰 영향을 미쳤다. 이번 논문에서는 한국과 중국의 동물에서 나타나는 출현 빈도가 높은 동물 속담을 조사하여 두 나라 사이의 언어와 문화이동 사례를 비교하고 분석해 보고자 한다. 한중 양국 동물에 관한 속담을 통해서 양국의 농사, 기후, 풍속, 생활습관과 욕 문화 등의 다양한 문화 차이를 볼 수 있다. 이를 통해서 또한 양국인의 사고방식과 언어 습관의 공통점과 차이점도 볼 수 있다. 본 논문은 한국어를 배우는 중국인, 중국어를 배우는 한국인에게 작은 도움이 될 수 있을 것이 바란다. 특히 오늘날과 같이 교류 현상이 두드러지고 있는 현실을 감안할 때에 이 연구의 필요성은 절실하다. Some of the Korean language norms, even if they are intended to be used by Korean users correctly, have a high incidence of the spelling errors due to the problem of regulation itself. An example is the more complicated and more cryptic rules by allowing different allomorph for forms that appear to have the same basic morpheme. Even if these regulations take maximum consideration of the characteristics of Korean language, there is a high possibility that the user will cause a spelling error from the beginning, compared to the simple rules. The purpose of this paper is to investigate the effect of the complexity of Korean language norms on the errors of the users spelling. In order to accomplish this purpose, this paper collected and analyzed errors in three types of morphemes which are spelled Korean users. As a result, the spelling error rate of Korean users was found to be very high. For example, in the case of ‘neolttarata’, the error rate is 211.8%, in the case of ‘subeol’, the error rate is 75%, in the case of ‘wicheung’, the error rate is 97.1%, compared to the correct spelling. This paper will be useful for revising related Korean language norms, which can improve the convenience and accuracy of spelling of Korean users in the future by verifying empirically the cases.

      • SCISCIE

        Analytical procedure to simultaneously measure trace amounts of trenbolone acetate and β-trenbolone residues in porcine muscle using HPLC-UVD and MS

        Liu, Xue,Abd El-Aty, A. M.,Choi, Jeong-Heui,Khay, Sathya,Mamun, M. I. R.,Jeon, Hyang-Rang,Lee, Soon-Ho,Chang, Byung-Joon,Lee, Chi-Ho,Shin, Ho-Chul,Shim, Jae-Han WILEY-VCH Verlag 2008 Journal of Separation Science Vol.31 No.22

        <P>The current study was undertaken to validate the performance for the determination of both TBA and β-trenbolone (β-TB) residues in porcine muscle at concentrations required to monitor compliance with the maximum residue limit (MRL). The method involves a one phase liquid–liquid extraction, cleanup with low-temperature fat precipitation, separation of the respective compounds by HPLC on a Capcell pak C<SUB>18</SUB> column, use of a methanol–water isocratic system as an eluent, and measurement by UV absorbance detection at 340 nm. Both compounds were confirmed using LC-MS/MS with electrospray interface (ESI) and a triple quadrupole (QqQ) analyzer. The method was found to be precise and accurate, with a linearity range of 1–10 μg/kg (r<SUP>2</SUP> >0.973). The intra- and interday precision showed good reproducibility with RSDs ⪇13.25%. The LODs were 0.12 and 0.22 μg/kg, and the LOQs were 0.37 and 0.66 μg/kg, for TBA and β-TB, respectively. The applicability of the method was demonstrated by analyzing real samples collected from major cities in the Republic of Korea. No residues of the selected compounds were detected in any of the samples. The advantages of our method are that it is: selective, sensitive, requires a short time for analysis (13 min), and performs simple sample extraction and clean-up procedure with low-temperature fat precipitation as compared to the previously published methods.</P>

      • SCOPUSKCI등재
      • SCIESCOPUSKCI등재

        Kinetics of a Cloned Special Ginsenosidase Hydrolyzing 3-O-Glucoside of Multi-Protopanaxadiol-Type Ginsenosides, Named Ginsenosidase Type 3

        ( Xue Feng Jin ),( Hong Shan Yu ),( Dong Ming Wang ),( Ting Qiang Liu ),( Chun Ying Liu ),( Dong Shan An ),( Wan Taek Im ),( Song Gun Kim ),( Feng Xie Jin ) 한국미생물 · 생명공학회 2012 Journal of microbiology and biotechnology Vol.22 No.3

        In this paper, the kinetics of a cloned special glucosidase, named ginsenosidase type III hydrolyzing 3-O-glucoside of multi-protopanaxadiol (PPD)-type ginsenosides, were investigated. The gene (bgpA) encoding this enzyme was cloned from a Terrabacter ginsenosidimutans strain and then expressed in E. coli cells. Ginsenosidase type III was able to hydrolyze 3-O-glucoside of multi-PPD-type ginsenosides. For instance, it was able to hydrolyze the 3- O-β-D-(1→2)-glucopyranosyl of Rb1 to gypenoside XVII, and then to further hydrolyze the 3-O-β-D-glucopyranosyl of gypenoside XVII to gypenoside LXXV. Similarly, the enzyme could hydrolyze the glucopyranosyls linked to the 3-O- position of Rb2, Rc, Rd, Rb3, and Rg3. With a larger enzyme reaction Km value, there was a slower enzyme reaction speed; and the larger the enzyme reaction Vmax value, the faster the enzyme reaction speed was. The Km values from small to large were 3.85 mM for Rc, 4.08 mM for Rb1, 8.85 mM for Rb3, 9.09 mM for Rb2, 9.70 mM for Rg3(S), 11.4 mM for Rd and 12.9 mM for F2; and Vmax value from large to small was 23.2 mM/h for Rc, 16.6 mM/h for Rb1, 14.6 mM/h for Rb3, 14.3 mM/h for Rb2, 1.81mM/h for Rg3(S), 1.40 mM/h for Rd, and 0.41 mM/h for F2. According to the Vmax and Km values of the ginsenosidase type III, the hydrolysis speed of these substrates by the enzyme was Rc>Rb1>Rb3>Rb2>Rg3(S)>Rd>F2 in order.

      • KCI등재

        Characterization and expression of calcium-activated potassium channels (Slo) in ovary of the mud crab, Scylla paramamosain

        Xue-Liang Liu,Hai-Hui Ye,Hui-Yang Huang,Jie Gong,Ya-Nan Yang 한국유전학회 2014 Genes & Genomics Vol.36 No.1

        Large conductance calcium-activated potassiumchannels (Slo) play important roles in controllingneuronal excitability. At present, very little is known aboutthe function of Slo channels on ovarian development. Wecloned the SPSlo gene from the mud crab, Scylla paramamosain. This gene shows 91 and 93 % sequence identityto PISlo from the spiny lobster, Panulirus interruptus andCBSlo from the jonah crab, Cancer borealis, respectively. We isolated six variants of the SPSlo cDNA within S. paramamosain ovary tissue. Sequence analysis indicatedthat there were at least seven alternative sites in SPSlo,each with multiple alternative segments. Real-time PCRshowed that the SPSlo gene was expressed in various tissues,and highly expressed in brain and ovary. In addition,the expression of SPSlo changed throughout ovariandevelopment, highest at the early-developing stage (StageII) followed by a slow decrease in subsequent stages. Theseresults suggested that SPSlo channels may be implicated inthe ovarian development of the mud crab.

      • KCI등재

        From structure to function: Harnessing the ionic conductivity of covalent organic frameworks

        Liu Cong‐Xue,황수민,우혜린,이은성,박선아 대한화학회 2024 Bulletin of the Korean Chemical Society Vol.45 No.4

        Rapid advancements in energy storage technology, driven by a growing demand for energy storage devices, underscore the crucial need to comprehend ionic conduction behavior. Consequently, intensive research on high‐performance ionic conductors becomes imperative. Covalent organic frameworks (COFs) have emerged as invaluable materials in the realm of solid‐state or quasi‐solid‐state ion‐conduction, leveraging their unique properties such as significant porosity, tunability, and robust physicochemical durability. These distinctive attributes position COFs as promising candidates for the development of electrodes, electrolytes, and separator materials characterized by high capacities, rapid ion transport, and electrochemical stability. This review provides insights into COFs as ionic conductors, discusses recent advancements in COF‐based energy storage devices, and explores the influence of structural functionalization, pore size engineering, and dimensional regulation on ionic conduction. Moreover, the review aims to deepen understanding and pave the way for future advancements in the utilization of COFs within energy storage technologies. Rapid advancements in energy storage technology, driven by a growing demand for energy storage devices, underscore the crucial need to comprehend ionic conduction behavior. Consequently, intensive research on high-performance ionic conductors becomes imperative. Covalent organic frameworks (COFs) have emerged as invaluable materials in the realm of solid-state or quasi-solid-state ion-conduction, leveraging their unique properties such as significant porosity, tunability, and robust physicochemical durability. These distinctive attributes position COFs as promising candidates for the development of electrodes, electrolytes, and separator materials characterized by high capacities, rapid ion transport, and electrochemical stability. This review provides insights into COFs as ionic conductors, discusses recent advancements in COF-based energy storage devices, and explores the influence of structural functionalization, pore size engineering, and dimensional regulation on ionic conduction. Moreover, the review aims to deepen understanding and pave the way for future advancements in the utilization of COFs within energy storage technologies.

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