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Lifetime Measurements of Thin Carbon Stripping Foils

“全球变化下的海洋与湖沼生态安全”学术交流会

作者： Huan ZHANG yuyu wang Shaoxia XIA Bin CHEN Xiubo YUA Key Laboratory of Ecosystem Network Observation and Modeling Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences University of Chinese Academy of Sciences College of Nature Conservation Beijing Forestry University Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences

Benthic food web in lakes is generally supported by autochthonous primary production, and by terrestrial detritus derived from the surrounding catchment. Several studies have highlighted the importance of allochthonous input, but the effects of subsidy of that carbon source are not well understood in floodplain lakes of wetland, especially when thousands of herbivorous migrated waterfowl winter in that area and the water level is deceding. With stable isotope signatures(δ13C and δ15N) of four primary food sources and aquatic consumers, we used SIAR model to identify the relative importance of different production sources supporting the macroinvertebrate food web in a floodplain sublake of wetlands in Lake Poyang during the late dry season. Our data showed that Carex spp. was the predominant primary food source, potentially contributing 35%3% organic carbon to the biomass of aquatic consumers in the sublake of wetlands, although its C:N ratio was much lower than other sources. For most of macroinvertebrate species, phytoplankton, and possibly particulate organic matter in the seston, were the other major carbon sources that they utilized. However, we did not find benthic algae or Vallisneria natans as thought to be important food sources for benthic primary consumers due to their low biomass during the cold and low water period. Our findings underpin the importance of allochthonous carbon sources, and further provide a view that migratory waterfowl may facilitate those subsidize which can support the biomass and productivity of consumer taxa in wetlands of Lake Poyang when availability of food sources is limited.

关键词： allochthonous Carex spp. macroinvertebrates wetland stable isotope

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近代物理研究所和兰州重离子加速器实验室年报：英文版 2004年第1期 178-179页

作者： Li Zhankui, Zhao Yongtao, Zhang Hongbin, Xu Hushan, wang Yue, Fang Yan and wang yuyu

Carbon stripping foil with long lifetime is very important in the proton or heavy ion accelerators with high intensity beam. At CSRm ring in Lanzhou, thin carbon foil with 1μg/cm2 or even less is also possibly used as an internal target. The carbons foils were made by carbon arc-discharge vapor-deposition technique. The carbon is deposited onto a surface covered with a thin layer of release agent of betaine, and is subsequently floated off in distilled water and mounted by introducing the holder made of aluminum alloy under the floating foil, allowing them to come into contact and then gently removing them together from the water.

关键词：寿命测量剥离气相沉积技术碳重离子加速器使用寿命束流强度 CSRm

2 - 25 Potential Electron Emission from Tungsten and HOPG Surfaces Induced by Highly Charged Neon and Xenon Ions

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IMP & HIRFL Annual Report 2010年第1期 65-66页

作者： wang yuyu Zhao Yongtao Xiao Guoqing Li Dehui Li Jingyu wang Pingzhi Liu Jie

Lifetime Measurements of Thin Carbon Stripping Foils

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IMP & HIRFL Annual Report 2004年 199-200页

作者： Li Zhankui, Zhao Yongtao, Zhang Hongbin, Xu Hushan, wang Yue, Fang Yan and wang yuyu

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Molecular characterization and structure basis of a malonyltransferase with both substrate promiscuity and catalytic regiospecificity from Cistanche tubulosa

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Acta Pharmaceutica Sinica B 2024年第5期14卷 2333-2348页

作者： Xiao Liu yuyu Liu Xiping Xu Wenqian Huang Yaru Yan Yingxia wang Weisheng Tian Ting Mo Xiaoxue Cui Jun Li She-Po Shi Pengfei Tu Modern Research Center for Traditional Chinese Medicine Beijing Research Institute of Chinese MedicineBeijing University of Chinese MedicineBeijing 100029China Modern Research Center for Traditional Chinese Medicine School of Chinese Materia MedicaBeijing University of Chinese MedicineBeijing 100029China

Enzymatic malonylation of natural glycosides provides a promising alternative method for drug-like malonylated glycosides ***,the catalytic potential and structural basis of plant malonyltransferase are far from being fully *** work identified a new malonyltransferase CtMaT1 from Cistanche *** displayed unprecedented mono-and/or di-malonylation activity toward diverse glucosides with different aglycons.A“one-pot”system by CtMaT1 and a malonyl-CoA synthetase was established to biosynthesize nine new malonylated *** investigations revealed that CtMaT1 possesses an adequately spacious acyl-acceptor pocket capable of accommodating diverse ***,it recognizes malonyl-CoA through strong electrotactic and hydrogen ***/MM calculation revealed the H167-mediated SN2 reaction mechanism of CtMaT1,while dynamic simulations detected the formation of stable hydrogen bonds between the glucose-6-OH group and H167,resulting in its high malonylation *** energy profiles of two isomeric glycosides highlighted lower reaction energy barriers towards glucoside substrates,emphasizing CtMaT1's preference for ***,a mutant CtMaT1H36A with notably increased di-malonylation activity was *** underlying molecular mechanism was illuminated through MM/GBSA binding free energy *** study significantly advances the understanding of plant acyltransferases from both functional and protein structural perspectives,while also providing a versatile tool for enzymatic malonylation applications in pharmacology.

关键词： Plant acyltransferase Malonyltransferase Malonylated glycosides Enzymatic catalysis Enzyme promiscuity

An Effective Model for Screening Moderate-to-severe Obstructive Sleep Apnea Based on the STOP-BANG questionnaire

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An Effective Model for Screening Moderate-to-severe Obstruct...

Electroacupuncture combined with qibei mixture for diarrhea-predominant irritable bowel syndrome:A randomized controlled trial

中国睡眠研究会第十四届全国学术年会

作者： Jian Guan Huajun Xu Juanjuan Zou yuyu wang Hongliang Yi Shankai Yin Shanghai Jiao Tong University Affiliated Sixth People’s Hospital

Background: This study aimed to develop a more effective screening model for moderate-to-severe obstructive sleep apnea(OSA) based on the best questionnaire among ESS, NoSAS and STOP-BANG ***: This cross-sectional study screened 2031 consecutive subjects referred with suspected OSA from 2012 to 2016, including the test cohort from 2012 to 2014 and the validation cohort from 2014 to 2016. Anthropometric measurements, polysomnographic data, ESS, NoSAS scores and STOP-BANG scores were recorded. Receiver operating characteristic curve analyses were performed and the final predictive models were verified in a validation ***: A total of 1840 adults were finally included. The performance of ESS, NoSAS and STOP-BANG questionnaires in screening OSA was compared. The diagnostic accuracy of STOP-BANG questionnaire was superior to ESS and NoSAS. A predictive model based on STOP-BANG yielded an area under the curve(AUC) of 0.931(95% CI : 0.915-0.946), and the sensitivity and specificity were 84.47(95% CI: 81.4-87.2) and 87.36(95% CI: 83.9-90.3) respectively. In the validation cohort, the AUC was 0.955(95% CI: 0.938-0.969), with a sensitivity and specificity of 86.79(95% CI: 83.2-89.9) and 90.88(95% CI: 87.2-93.8) respectively. In addition, the model performed moderately in screening mild OSA with the AUC being 0.771(95% CI: 0.721-0.815). Conclusions: The STOP-BANG questionnaire was effective in screening moderate-to-severe OSA. And a STOP-BANG-based predictive model afforded excellent diagnostic efficacy, which could be applied in clinical practice.

关键词： obstructive sleep apnea screening model sensitivity specificity STOP-BANG questionnaire

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World Journal of Acupuncture-Moxibustion 2018年第1期28卷 19-24,I0003,I0004页

作者： Chaoxian ZHANG Like GUO yuyu wang Lili ZHANG Tingmin CHANG Department of Gastroenterology The First Affiliated Hospital of Xinxiang Medical University Weihui 453100 Henan Province China Department of Stomatology The First Affiliated Hospital of Xinxiang Medical UniversityChina

Objective： To explore the short and long-term efficacy of combining electroacupuncture（EA） and Qibei mixture in the treatment of irritable bowel syndrome（IBSD）.Methods： Six hundred and forty-four patients with confirmed IBSD from the Department of Gastroenterology, the First Affiliated Hospital of Xinxiang Medical University in China, recruited from July 2012 to June 2016, were randomly divided into four groups, the EA group, Qibei mixture group, combination group and medication group with 161 patients in each group. The patients in the EA group were treated with EA at zúsānlǐ（足三里ST36）. Gān shù（肝俞BL18）, Pǐshù（脾俞BL20）. Tàichōng（太冲LR36） and Qízhōngsìbiān（脐中四边）once daily for 4 weeks, while the patients in the Qibei mixture group were treated with 50 mL of Qibei mixture twice daily, the combination group with the above-mentioned EA and Qibei mixture, and the medication group with 1 tablet compound diphenoxylate twice, 3 g montmorillonite powder three times and 25 mg amitriptyline twice daily. The defecation frequencies, stool properties, accompanying symptom score, life quality score and adverse reactions were recorded pre-treatment,at the end of treatment and 6 weeks post-treatment for the four ***： Compared with pre-treatment, the defecation frequencies, stool property score and accompanying symptom score were all decreased significantly at the end of treatment in each group（all P〈0.01）,while the scores of nine dimensions of quality of life were all increased significantly（all P〈0.01）. The above-mentioned indices were better in the combination group than in the other groups（all P〈0.05）.Compared with the end of treatment, no significant recurrences of the above-mentioned indices had occurred in the combination group or the EA group at 6 weeks post-treatment（both P〉0.05）, but these indices all recurred significantly in the group given Qibei mixture and the medication group（P〈0.05）.The short-and long-term total effective rates in the combination group both sho

关键词： Electroacupuncture(EA) Qibei mixture Irritable bowel syndrome with diarrhea (IBSD) Defecation frequency Stool properties Life quality

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不动点集是Dold流形P(2,5)的对合

南开大学学报（自然科学版） 2014年第6期47卷 85-90页

作者：曹颖王玉玉天津师范大学数学科学学院天津300387

证明了具有光滑对合T的(12+l)-维闭流形M,如果对合的不动点集为F=P(2,5),则(M,T)协边于零,其中l>0.

关键词：对合协边不动点集流形

2 - 21 Scintillater Bragg Peak Detector

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IMP & HIRFL Annual Report 2010年第1期 60-61页

作者： Sun Yuanbo Zhao Yongtao wang yuyu Cheng Rui Zhou Xianming Lei Yu wang Xing Xu Ge Xiao Guoqing