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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.
Xiao-Jie Li,Jie Hu,Zhen-Yu Li,Xue-Mei Qin,Li-Zeng Zhang,Xiao-Qing Guo 대한약학회 2011 Archives of Pharmacal Research Vol.34 No.6
A high-performance liquid chromatographic (HPLC) method was established to analyze 36 Chaihu (Radix Bupleuri) samples collected from three species (Bupleurum chinense DC., B. scorzonerifolium Willd. and B. smithii Wolff.). Addition of trifluoroacetic acid into the mobile phase resulted in fingerprint chromatograms with stable baselines. There were thirty-two characteristic peaks in the standard fingerprint of B. chinense DC. Different recognition pattern methods, including similarity analysis (SA), hierarchical cluster analysis (HCA), principal component analysis (PCA) and partial least squares-discrimination analysis (PLS-DA) were utilized to analyze the 36 samples based on the contents of chemical constituents. Consistent results from SA, HCA and PCA analysis illustrated the rationalisation for why B. smithii Wolff. was not quoted in the Chinese Pharmacopoeia and classified samples were in agreement with their species. PLS-DA loading plots showed the chemical markers which had the most influences on the separation among different species. However, SA, HCA and PCA could not differentiate between wild and cultivated B. chinense DC. as well as between samples from different provinces. HPLC fingerprint in combination with chemometric techniques provided a very flexible and reliable method for homogeneity evaluation and quality assessment of traditional Chinese medicine.
( Xiao Jie Cheng ),( Xu Ming Wang ),( Tian Lei Qiu ),( Mei Yuan ),( Jiang Uang Sun ),( Jun Lian Gao ) 한국미생물 · 생명공학회 2014 Journal of microbiology and biotechnology Vol.24 No.11
A novel esterase gene, est01, was successfully unearthed from a biogas digester microbiota metagenomic library. The 1,194 bp est01 gene encodes a protein of 44,804 Da (designated Est01). The amino acid sequence of Est01 shows only moderate (33%) identity to a lipase/ esterase. Phylogenetic analysis and biochemical characterization confirmed that Est01 is a new member of family VIII esterases. The purified Est01 from recombinant Escherichia coli BL21 (DE3) showed high hydrolytic activity against short-chain fatty acid esters, suggesting that it is a typical carboxylesterase rather than a lipase. Furthermore, the Est01 was even active at 10°C (43% activity remained), with the optimal temperature at 20°C, and had a broad pH range from 5.0 to 10.0, with the optimal pH of 8.0. These properties suggest that Est01 is a cold-adaptive esterase and could have good potential for low-temperature hydrolysis application.
Iron Source and Medium pH Affect Growth and Development of Hydrangea macrophylla In Vitro
Jie Xiao,Ge Guo,Yali Li,Byoung Ryong Jeong 한국원예학회 2021 한국원예학회 학술발표요지 Vol.2021 No.5
Hydrangea macrophylla is a popular perennial ornamental shrub grown commercially as potted plants, landscape plants, and cut flowers. The aim of this work was to investigate effect of iron (Fe) source and medium pH on growth and development of H. macrophylla in vitro. The Fe sources used, including non-chelated iron sulfate (FeSO4) and iron ethylenediaminetetraacetic acid (Fe-EDTA), were supplemented to the multipurpose medium with a final Fe concentration of 2.78 mg·L<sup>-1</sup>. The medium without any supplementation of Fe was used as the control. The pH of the agar-solidified medium was adjusted to either 4.70, 5.70, or 6.70 before autoclaving. The experiment was conducted in a culture room for 60 days at 25/18°C day and night temperatures, and a 16hour photoperiod provided at a light intensity of 50 mmol·m<sup>-2</sup>·s<sup>-1</sup> photosynthetic photon flux density (PPFD) from white light emitting diodes. Both Fe source and pH affected growth and development of the micro propagated plantlets in vitro. The leaf color was greener in the pH 4.70 treatment regardless of the Fe source. Besides, both Fe sources increased the leaf chlorophyll content. Numbers of shoots and roots in plantlets treated with FeSO4 were 2.0 and 2.7 times greater than those of the control, respectively. Fresh and dry weights of the shoot and the root were the greatest in the treatment of FeSO4 combined with pH 4.70. The tissue Fe content decreased with the increasing medium pH, and contents of potassium (K), calcium (Ca), and magnesium (Mg) in the plantlets increased in the pH 4.70 treatment regardless of the Fe source. Overall, the plantlet absorbed more Fe in the pH 4.70, and FeSO4 combined with pH 4.70 was found to be the best for growth and development of H. macrophylla plantlets in vitro.
Jie Xiao,Yali Li,Byoung Ryong Jeong 한국원예학회 2021 한국원예학회 학술발표요지 Vol.2021 No.10
Silicon (Si) has been reported to have beneficial effects on plant growth and stress resistance. However, few studies focused on the resistance to high temperature by Si at the propagation stage of strawberry (Fragaria × ananassa Duch.). This work aimed to find out the best method of Si application in enhancing resistance of strawberry transplants to high temperatures which occur during the hot summer when strawberries are propagated for commercial greenhouse production in Korea. Mother plants of strawberry ‘Maehyang’ were subjected to one of the five treatments before their daughter plants being cutting propagated: no treatment (control), substrate dressing of a water-soluble silicate fertilizer, medium drench of 75 mg·L<SUP>-1</SUP> Si, or foliar spray of 75 mg·L<SUP>-1</SUP> Si. Then a half of the propagated daughter plants or transplants in each treatment received continued Si supply by the same method, either substrate dressing, medium drench, or foliar spray after cutting propagation. A high temperature (43°C) resistance test was conducted in plant growth chambers for 7 days with a 16 h photoperiod provided at a 300 mmol·m<SUP>-2</SUP>·s<SUP>-1</SUP> PPFD. Shoot fresh weight of the transplant significantly increased by Si treatment regardless of the method of application. During the high temperature test, rate of decline in the photosynthesis of plants treated with Si was less than that of the control plants. Moreover, water content of the transplants fed with Si only before cutting propagation and during the whole propagation process were 40 and 80% higher than the control, respectively. Overall, Si application promoted growth of transplants regardless of the Si application method used. Furthermore, Si application by foliar sprays to not only mother plants, but also daughter plants gave the best results amongst and is recommended to enhance the resistance to high temperature of strawberry transplants during summer propagation.
Xiao-li Chen,,Tian-wu Chen,Zhi-jia Fang,Xiao-ming Zhang,Zhen-lin Li,Hang Li,Hong-jie Tang,Li Zhou,Dan Wang,Zishu Zhang 대한의학회 2014 Journal of Korean medical science Vol.29 No.2
The aim of this study was to investigate how patterns of lymph nodes recurrence after radical surgery impact on survival of patients with pT1-3N0M0 thoracic esophageal squamous cell carcinoma. One hundred eighty consecutive patients with thoracic esophageal squamous cell carcinoma underwent radical surgery, and the tumors were staged as pT1-3N0M0 by postoperative pathology. Lymph nodes recurrence was detected with computed tomography 3-120 months after the treatment. The patterns of lymph nodes recurrence including stations, fields and locations of recurrent lymph nodes, and impacts on patterns of survival were statistically analyzed. There was a decreasing trend of overall survival with increasing stations or fields of postoperative lymph nodes involved (all P<0.05). Univariate analysis showed that stations or fields of lymph nodes recurrence, and abdominal or cervical lymph nodes involved were prognostic factors for survival(all P<0.05). Cox analyses revealed that the field was an independent factor (P<0.05, odds ratio=2.73). Lymph nodes involved occurred predominantly in cervix and upper mediastinum (P<0.05). In conclusion, patterns of lymph node recurrence especially the fields of lymph nodes involved are significant prognostic factors for survival of patients with pT1-3N0M0 thoracic esophageal squamous cell carcinoma.
Xiao Song,Tong Mengyuan,Rao Yang,Li Yuhang,Ye Zhizong,Shen Yixiang,Hou Hao,Gao Guoqiang,Wu Guangning,Jin Yaoyao,Zhou Jie,Liu Jie 대한전기학회 2022 Journal of Electrical Engineering & Technology Vol.17 No.1
Along with the operating velocity and traction power increasing continuously, the issue related to the safety and reliability of the high-voltage traction power system for high-speed trains have gradually been exposed during the practical service process. When the train passes a neutral section settled roughly per 15 km between two neighboring substations, the on-board vacuum circuit breaker (VCB) must to be operated for changing the input powers with diff erent phases. At the moment of switching on or off the VCB, the arc between the contacts in the arc-extinguishing chamber may be triggered, which tends to result in the operational overvoltage. Due to numerous inductances and capacitances existing in the traction power supply system, the overvoltage may lead to high-frequency electromagnetic oscillation spreading along the transmission routes. The on-board high-voltage equipments within the power supply system may suff er from the impulse brought from the VCB operational overvoltage frequently, which is possible to cause the insulation aging or breakdown issue. To investigate the characteristic of the operational overvoltage of VCBs, a ‘train-rail-catenary’ power supply model is built based on the measured impedance parameters, which has been verifi ed by the experimental tests. The generating mechanism with the infl uence factors of the operational overvoltage when switching on or off the VCB has been explored, meanwhile the distribution of the train body overvoltage on each carriage has also been presented.