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1Special Section:SARS-CoV-2 Preliminary evidence from a multicenter prospective observational study of the safety and efficacy of chloroquine for the treatment of COVID-19显示文摘Effective therapies are urgently needed for the SARS-CoV-2 pandemic.Chloroquine has been proved to have antiviral effect against coronavirus in vitro.In this study,we aimed to assess the efficacy and safety of chloroquine with different doses in COVID-19.In this multicenter prospective observational study,we enrolled patients older than 18 years old with confirmed SARS-CoV-2 infection excluding critical cases from 12 hospitals in Guangdong and Hubei Provinces.Eligible patients received chloroquinephosphate s00 mg,orally,once(half dose)or twice(full dose)daily.Patients treated with non-chloroquine therapy were included as historical controls.The primary endpoint is the time to undetectable viral RNA.Secondary outcomes include the proportion of patients with undetectable viral RNA by day 10 and 14,hospitalization time,duration of fever,and adverse events.A total of 197 patients completed chloroquine treatment,and 176patients were included as historical controls.The median time to achieve an undetectable viral RNA was shorter in chloroquine than in non-chloroquine(absolute difference in medians-6.0 days;95%CI-6.0 to—4.0).The duration of fever is shorter in chloroquine(geometric mean ratio 0.6;95%CIO.5 to 0.8).No serious adverse events were observed in the chloroquine group.Patients treated with half dose experienced lower rate of adverse events than with full dose.Although randomized trials are needed for further evaluation,this study provides evidence for safety and efficacy of chloroquine in COVID-19 and suggests that chloroquine can be a cost-effective therapy for combating the COVID-19 pandemic.Mingxing Huang Man Li Fei Xiao Pengfei Pang Jiabi Liang Tiantian Tang Shaoxuan Liu Binghui Chen Jingxian Shu Yingying You Yang Li Meiwen Tang Jianhui Zhou Guanmin Jiang Jingfen Xiang Wenxin Hong Songmei He Zhaoqin Wang Jianhua Feng Changqing Lin Yinong Ye Zhilong Wu Yaocai Li Bei Zhong Ruilin Sun Zhongsi Hong Jing Liu Huili Chen Xiaohua Wang Zhonghe Li Duanqing Pei Lin Tian Jinyu Xia Shanping Jiang Nanshan Zhong Hong Shan 2020National Science Review2020,7,9:20
2High-sum-rate beamformers for multi-pair two-way relay networks with amplify-and-forward relaying strategy显示文摘In multi-pair two-way relay networks,the control over inter-pair-interference is a challenging problem.When mobile stations(MSs)cooperate fully,to achieve the sum capacity of networks and at the same time completely remove the inter-pair-interference,a singular value decomposition(SVD)based beamforming scheme at relay station(RS)is established where SVD beamformers are applied over both uplink and downlink channels,respectively.To avoid any cooperation among users,an efcient beamforming scheme is proposed.This scheme uses the Max-SINR based receive beamformer at RS in uplink channel and the Max-SLNR based transmit precoder at RS in downlink channel.It omits interference(uplink)and leakage(donwlink)inside each pair of users due to their abilities of self-interference cancellation.This beamforming scheme provides an analytical solution like some well-known linear beamformers such as zero-forcing,block diagonalization,etc.From simulation,we find:the proposed SVD shows an excellent sum-rate performance at the expense of a large cooperation overhead at MSs and can be used as a tighter upper bound of sum-rate;the proposed scheme of Max-SINR beamformer plus Max-SLNR precoder performs much better on sum-rate than the ZF-based and the BD-based schemes by using almost the same computational amount.SHU Feng LU YaZhe CHEN Yu YOU XiaoHu WANG JianXin WANG Mao SHENG WeiXing CHEN Qian 2014Science China(Information Sciences)2014,57,2:15
3Transboundary hydrological effects of hydropower dam construction on the Lancang River显示文摘HE Daming FENG Yan GAN Shu Darrin Magee YOU Weihong 2006Chinese Science Bulletin2006,51,B11:13
4Association between Chinese Medicine Therapy and Survival Outcomes in Postoperative Patients with NSCLC: A Multicenter, Prospective, Cohort Study显示文摘Objective:To evaluate the association between Chinese medicine(CM)therapy and disease-free survival(DFS)outcomes in postoperative patients with non-small cell lung cancer(NSCLC).Methods:This multiple-center prospective cohort study was conducted in 13 medical centers in China.Patients with stage I,II,or IDA NSCLC who had undergone radical resection and received conventional postoperative treatment according to the National Comprehensive Cancer Network(NCCN)guidelines were recruited.The recruited patients were divided into a CM treatment group and a control group according to their wishes.Patients in the CM treatment group received continuous CM therapy for more than 6 months or until disease progression.Patients in the control group received CM therapy for less than 1 month.Follow-up was 8nducted over 3 years.The primary outcome was DFS,with recurrence/metastasis rates as a secondary outcome.Results:Between May 2013 and August 2016,503 patients were enrolled into the cohort;266 were classified in the CM treatment group and 237 in the control group.Adjusting for covariates,high exposure to CM was associated with better DFS[hazard ratio(HR)=0.417,95%confidential interval(Cl):0.307-0.567)].A longer duration of CM therapy(6-12 months,12-18 months,>24 months)was associated with lower recurrence and metastasis rates(HR=0.225,0.119 and 0.083,respectively).In a subgroup exploratory analysis,CM therapy was also a protective factor of cancer recurrence and metastasis in both stage n-MA(HR=0.50,95%Cl:0.37-0.67)and stage IDA NSCLC postoperative patients(HR=0.48,95%Cl:0.33-0.71),DFS was even longer among CM treatment group patients.Conclusions:Lon ger duration of CM therapy could be 8nsidered a protective factor of cancer recurrence and metastasis.CM treatment is associated with improving survival outcomes of postoperative NSCLC patients in China.WANG Xue-qian ZHANG Ying HOU Wei WANG Ying-tian ZHENG Jia-bin LI Jie LIN Li-zhu JIANG Yi-lan WANG Shen-yu XIE Ying ZHANG Hong-liang SHU Qi-jin LI Ping WANG Wei YOU Jian-liang LI Ge LIU Jie FAN Hui-ting ZHANG Mei-ying LIN Hong-sheng 2019Chinese Journal of Integrative Medicine2019,25,11:12
5Significance of fossilized microbes from the Cambrian stromatolites in the Tarim Basin, Northwest China显示文摘Samples of the Cambrian microbial dolomites were collected from Penglaiba section,a well-exposed stratigraphic section in the northwestern area of the Tarim Basin.This study provides an analogue for mediated dolomites that can precipitate in microbial mats and biofilms.The Cambrian stromatolitic dolomites were studied using high-resolution scanning electron microscopy.The results are as follows:(1)dolomites with 50 nm to 100 nm spherical nanostructures are aggregated into minerals of larger sphericities;(2)nanospherical dolomites of 50 nm to 170 nm diameter are densely arranged as dumbbell-shaped or chained aggregates;(3)silicified filaments,as well as dumbbell-shaped and chain arrangements,are preserved as important microstructures.On the basis of sedimentological,compositional,geochemical,and petrographic data,the microstructures were interpreted as nanoglobules that function as bacteria in the nucleation and filament mineralization stages.The microstructures function as such because they are wrapped in extracellular polymeric substance(EPS)or mucus and mineralized fossils.Silicification accounts for the exceptional preservation of microbial mat structures,including biofilms,as well as filamentous and coccoid microbes.In addition,EPS process is capable of binding different elements,with preference for Si,Mg,and Ca.Such suitable composition favors microbe mineralization and dolomite nucleation on organic substrates.These microscopic structures suggest bacterial mineralization and provide visual evidence for the origin of microbial dolomites.YOU XueLian SUN Shu ZHU JingQuan 2014Science China Earth Sciences2014,57,12:10
6An efficient sparse channel estimator combining time-domain LS and iterative shrinkage for OFDM systems with IQ-imbalances显示文摘A time-domain(TD) least square(LS) channel estimator is first proposed to estimate channel parameters of OFDM system with IQ imbalances at both transmitter and receiver.Then,an iterative shrinkage(IS) algorithm from compressed sensing is adopted to further improve the estimation performance by using the TD-LS solution as the initial value of IS in the case of sparse channel.Simulation shows that our algorithm combining TD-LS and IS performs better on bit error rate than the frequency-domain LS and matching pursuit in sparse Hilly Terrain channel when the same LS equalizer is adopted.SHU Feng ZHAO JunHui YOU XiaoHu WANG Mao CHEN Qian STEVAN Berber 2012Science China(Information Sciences)2012,55,11:10
7Wrist-ankle acupuncture and Fluoxetine in the treatment of post-stroke depression: a randomized controlled clinical trial显示文摘OBJECTIVE: To investigate the effects of WAA combined with fluoxetine in the clinical treatment of post-stroke depression(PSD).METHODS: In this randomized, controlled and single-blind trial, 105 PSD patients who met the inclusion criteria were randomly divided into three equal groups: Thin wrist-ankle acupuncture(WAA)group(Thin WAA needle + Fluoxetine), Thick WAA group(Thick WAA needle + Fluoxetine), and Sham WAA group(sham WAA needle + Fluoxetine). In this trial, the primary outcome was Hamilton Depression Scale(HAMD), while the secondary outcomes included Zung self-rating depression scale(SDS) and World Health Organization Quality of Life BREF(QQL).RESULTS: Ninety nine PSD patients completed all the treatment. The HAMD scores and SDS scores of all the three groups decreased after treatment(P <0.05);thick WAA group and thin WAA group decreased more obviously than the sham WAA group(P < 0.05). There was no significant difference between the QQL scores of the three groups(P >0.05). There was no significant difference in the scores of the three scales between the thick wrist ankle needles and the thin wrist ankle needles(P >0.05).CONCLUSION: The present study showed that WAA combined with fluoxetine can relieve the symptoms of depression after stroke. WAA therapy could improve the antidepressant effect of fluoxetine.You Yanli Zhang Tianfang Shu Shi Qian Xiaolu Zhou Shuang Yao Fei 2020Journal of Traditional Chinese Medicine2020,40,3:10
8Plasma metabolomic and lipidomic alterations associated with COVID-19显示文摘The pandemic of the coronavirus disease 2019(COVID-19)has become a global public health crisis.The symptoms of COVID-19 range from mild to severe,but the physiological changes associated with COVID-19 are barely understood.In this study,we performed targeted metabolomic and lipidomic analyses of plasma from a cohort of patients with COVID-19 who had experienced different symptoms.We found that metabolite and lipid alterations exhibit apparent correlation with the course of disease in these patients,indicating that the development of COVID-19 affected their whole-body metabolism.In particular,malic acid of the TCA cycle and carbamoyl phosphate of the urea cycle result in altered energy metabolism and hepatic dysfunction,respectively.It should be noted that carbamoyl phosphate is profoundly down-regulated in patients who died compared with patients with mild symptoms.And,more importantly,guanosine monophosphate(GMP),which is mediated not only by GMP synthase but also by CD39 and CD73,is significantly changed between healthy subjects and patients with COVID-19,as well as between the mild and fatal cases.In addition,dyslipidemia was observed in patients with COVID-19.Overall,the disturbed metabolic patterns have been found to align with the progress and severity of COVID-19.This work provides valuable knowledge about plasma biomarkers associated with COVID-19 and potential therapeutic targets,as well as an important resource for further studies of the pathogenesis of COVID-19.Di Wu Ting Shu Xiaobo Yang Jian-Xin Song Mingliang Zhang Chengye Yao Wen Liu Muhan Huang Yuan Yu Qingyu Yang Tingju Zhu Jiqian Xu Jingfang Mu Yaxin Wang Hong Wang Tang Tang Yujie Ren Yongran Wu Shu-Hai Lin Yang Qiu Ding-Yu Zhang You Shang Xi Zhou 2020National Science Review2020,7,7:9
9An Early Cretaceous Avialian Bird, Shenzhouraptor sinensis from Western Liaoning, China显示文摘This paper describes an avialian bird from the Early Cretaceous Jiufotang Formation in Yixian county,western Liaoning, China, which is named as Shenzhouraptor sinensis by Ji et al. on July 15, 2002. Shenzhouraptor sinensis is characterized by no teeth in its mouth, the forelimbs longer than the hindlimbs, a long tail with more than 23 caudal vertebrae, U-shaped wishbone, and remiges longer than the total length of ulna and manus. It is certain that the new avialian bird is really capable of powerful flight, representing a missing link between theropod dinosaurs and birds.Ji Qiang, Ji Shu’an, You Hailu, Zhang Jianping,Zhang Hongbin, Zhang Nanjun, Yuan Chongxi and Ji XinxinDepartment of Earth Sciences, Nanjing University, Nanjing, Jiangsu 100093Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037 School of Earth and Space Sciences, Peking University, Beijing 100871China University of Geosciences, Beijing 100083 China Dinosaur Park of Changzhou, Changzhou, Jiangsu 213002 2003Acta Geologica Sinica(English Edition)2003,77,1:8
10Screening of Serum Biomarkers for Distinguishing between Latent and Active Tuberculosis Using Proteome Microarray显示文摘Objective To identify potential serum biomarkers for distinguishing between latent tuberculosis infection(LTBI) and active tuberculosis(TB). Methods A proteome microarray containing 4,262 antigens was used for screening serum biomarkers of 40 serum samples from patients with LTBI and active TB at the systems level. The interaction network and functional classification of differentially expressed antigens were analyzed using STRING 10.0 and the TB database, respectively. Enzyme-linked immunosorbent assays(ELISA) were used to validate candidate antigens further using 279 samples. The diagnostic performances of candidate antigens were evaluated by receiver operating characteristic curve(ROC) analysis. Both antigen combination and logistic regression analysis were used to improve diagnostic ability. Results Microarray results showed that levels of 152 Mycobacterium tuberculosis(Mtb)-antigenspecific IgG were significantly higher in active TB patients than in LTBI patients(P < 0.05), and these differentially expressed antigens showed stronger associations with each other and were involved in various biological processes. Eleven candidate antigens were further validated using ELISA and showed consistent results in microarray analysis. ROC analysis showed that antigens Rv2031 c, Rv1408, and Rv2421 c had higher areas under the curve(AUCs) of 0.8520, 0.8152, and 0.7970, respectively. In addition, both antigen combination and logistic regression analysis improved the diagnostic ability. Conclusion Several antigens have the potential to serve as serum biomarkers for discrimination between LTBI and active TB.CAO Shu Hui CHEN Yan Qing SUN Yong LIU Yang ZHENG Su Hua ZHANG Zhi Guo LI Chuan You 2018Biomedical and Environmental Sciences2018,31,7:8
11Low-complexity optimal spatial channel pairing for AF-based multi-pair two-way relay networks显示文摘This paper considers a multi-pair two-way relay system with multi-antenna users and proposes a low-complexity optimal spatial channel pairing(SCP) strategy at the relay station(RS) for such a system. The proposed SCP scheme, following the BD-like beamformer at RS, pairs the uplink spatial subchannels of each user pair with the corresponding downlink spatial subchannels by maximizing sum-rate(Max-SR). Furthermore, a new mathematical inequality(arrangement inequalities of a product) is developed and applied to obtain sufficient and necessary conditions for achieving Max-SR-SCP. This also yields a simple low-complexity implementation of the proposed SCP in contrast to the NP-hard complexity of the original Max-SR-SCP problem. Simulation results illustrate that the proposed Max-SR-SCP achieves substantial sum-rate gains over other pairing schemes.SHU Feng CHEN Yu YOU XiaoHu LU JinHui 2014Science China(Information Sciences)2014,57,10:6
12Effect of Dietary Supplementation with Hydrolyzed Wheat Gluten on Growth Performance, Cell Immunity and Serum Biochemical Indices of Weaned Piglets (Sus scrofa)显示文摘To investigate the effects of dietary supplementation with hydrolyzed wheat gluten (HWG) on growth performance, cell immunity and serum biochemical indices of weaned piglets, 160 crossed (Large White×andrace) and weaned piglets were randomly divided into 4 treatments with 4 replicates of 10 piglets each. The piglets in each treatment were fed an experimental diet containing either 0 g kg-1 HWG (control group), 30 g kg-1 HWG (3% HWG group), 50 g kg-1 HWG (5% HWG group), or 2.5 g kg-1 glycyl-L-glutamine (0.25% Gly-Gln group). The results showed that the diarrhea rates in 3% HWG and 5% HWG groups were significantly lower than in control group from d 1 to 14 (P<0.05), while the average daily gain (ADG) in each of two groups was increased (P>0.05). When compared with control group, dietary supplementation with 3% HWG increased the ratio of CD4+:CD8+ and the ratio of serum albumin and globulin concentrations (A:G) on d 14 and 28, as well as the proliferation of T- and B-lymphocytes (P>0.05) on d 28. In addition, on d 14 and 28, the A:G ratio in 5% HWG group was significantly higher than in control group (P<0.05), while the ratio of CD4+:CD8+ increased slightly (P>0.05). Interestingly, 0.25% Gly-Gln group had higher proportion of CD3+ (P>0.05) and CD4+ (P<0.05) on d 14 than control group, but growth performances of 0.25% Gly-Gln group were negatively affected at all experiment stages. These results suggested that HWG might improve the growth performance of piglets by strengthening cell immunity and decreasing the occurrence of diarrhea during the prophase after weaning.WANG Xiu-qi FENG You SHU Gang JIANG Qing-yan YANG Jing-pei ZHANG Zi-feng 2011Agricultural Sciences in China2011,10,6:6
13Prognostic significance of epidermal growth factor-like domain 7 in pancreatic cancer显示文摘BACKGROUND: Recent studies have shown the clinical significance of epidermal growth factor-like domain 7(EGFL7)in a variety of cancers. However, the relationship between EGFL7 and the prognosis of pancreatic cancer(PC) remains unclear. The present study was undertaken to investigate the role of EGFL7 in the prognosis of PC.METHODS: The expression of EGFL7 in nine PC cell lines was first determined by Western blotting analysis. Tissue microarray-based immunohistochemical staining was performed in paired formalin-fixed paraffin-embedded tumor and non-tumor samples from 83 patients with PC. Finally,correlations between EGFL7 expression and clinicopathological variables as well as overall survival were evaluated.RESULTS: EGFL7 was widely expressed in all PC cell lines tested.EGFL7 expression in tumor tissues was significantly higher than that in non-tumor tissues(P0.040). In addition, univariate analysis revealed that high EGFL7 expression in tumor tissues was significantly associated with poor overall survival,accompanied by several conventional clinicopathological variables, such as gender, histological grade and lymph node metastasis. In a multivariate Cox regression test, EGFL7 expression was identified as an independent marker for longterm outcome of PC.CONCLUSION: Our data showed that EGFL7 is extensively expressed in PC and that EGFL7 is associated with poor prognosis.Li Zhou Jian Li Yu-Pei Zhao Jun-Chao Guo Quan-Cai Cui Wei-Xun Zhou Tai-Ping Zhang Wen-Ming Wu Lei You Hong Shu 2014Hepatobiliary & Pancreatic Diseases International2014,13,5:6
14Structure,Orientation and Finite Element Analysis of the Tail Club of Mamenchisaurus hochuanensis显示文摘The structure and orientation of the posterior extremity (tail club) of the caudal vertebrae of Mamenchisaurus hochuanensis Young and Chao, 1972 from the Upper Jurassic Shangshaximiao Formation has been analyzed to determine the tail club function using Finite Element Analysis. Of the four caudal vertebrae composing the tail club, the second largest (C'1') was probably the most proximal, and is fixed with the preceding sequence of the caudal vertebrae, whereas the smallest (C'4') is free and forms the termination of the tail club. Our analysis also suggests that the tail club is more efficient in lateral swinging rather than up-and-down motion, and that the best region for the tail club to impact is at the spine of the largest of the four caudals (C'2'), with a maximum load for impact at about 450 N. The tail club of Mamenchisaurus hochuanensis probably also had limitations as a defense weapon and was more possibly a sensory organ to improve nerve conduction velocity to enhance the capacity for sensory perception of its surroundings.XING Lida YE Yong SHU Chunkang PENG Guangzhao YOU Hailu 2009Acta Geologica Sinica(English Edition)2009,83,6:5
15Identification and expression of the CEP gene family in apple (Malus×domestica)显示文摘Plant peptide hormones play important roles in plant growth and development. Among these hormones, the C-TERMINALLYENCODED PEPTIDE(CEP) belongs to a newly found peptide family that regulates root development in Arabidopsis as well as in other species. However, nothing is known about the CEP genes in apple(Malus×domestica, MdCEP). In this study, a total of 27 apple CEP genes were identified through a genome-wide analysis and were phylogenetically divided into three classes(Ⅰ, Ⅱ and Ⅲ). The predicted MdCEP genes were distributed across 10 of 17 chromosomes with different densities. Next, the gene structures and motif compositions of the MdCEP genes were analyzed. Subsequently, the expression analysis suggested that the MdCEP genes were highly activated in roots and that MdCEP23 may play an important role in regulating the growth and development of roots. Moreover, all of the MdCEP genes were responsive to multiple abiotic stresses, indicating that MdCEP genes may be involved with various aspects of physiological processes in apple. Nearly one-third of MdCEP genes had a significant response to low nitrogen treatment. Most of the MdCEP genes were up-regulated under stress, including mannitol, polyethylene glycol(PEG) and abscisic acid(ABA), suggesting that MdCEP genes may be involved in the drought stress response. This study provides insight into the putative functions of the MdCEP genes using a genome-wide analysis of the CEP gene family.LI Rui AN Jian-ping YOU Chun-xiang SHU Jing WANG Xiao-fei HAO Yu-jin 2018Journal of Integrative Agriculture2018,17,2:5
16Hybrid interference alignment and power allocation for multi-user interference MIMO channels显示文摘This paper proposes a hybrid interference alignment scheme which combines maximizing signal-toleakage-noise ratio(Max-SLNR) at transmitter and maximizing signal-to-interference-noise ratio(Max-SINR) at receiver.The proposed scheme gives the same sum rate as the existing method using Max-SINR at both transmitter and receiver by avoiding the operation of reversing channel,thus it provides a simpler solution.Furthermore,two power allocation procedures are devised based on game theory and water filling.The gain of these schemes over equal power allocation increases to 2 bit/s/Hz in correlated fading channels as large-scale fading becomes significant.Additionally,user fairness is solved by introducing weighting factors.SHU Feng YOU XiaoHu WANG Mao HAN YuBing LI Yang SHENG WeiXing 2013Science China(Information Sciences)2013,56,4:5
17Remimazolam besylate for sedation of postoperative patients in intensive care units: a phase I, open label, dose-finding study显示文摘To the Editor:Remimazolam besylate is a novel,ultrashort-acting benzodiazepine with a rapid and a predictable onset and offset profile,no accumulation and extended effect,and independence of organ elimination.Yun Tang Xiaobo Yang Huaqing Shu Yuan Yu Jiqian Xu Shangwen Pan Xiaojing Zou Shiying Yuan You Shang 2022Chinese Medical Journal2022,135,17:5
18Altered functional connectivity networks of hippocampal subregions in remitted late-onset depression:a longitudinal resting-state study显示文摘在迟了生活的消沉(LLD ) 的海马趾的畸形的地区性的特性在以前的研究被表明了。在这研究,我们寻求了检验功能的连接(FC ) 在汇寄的迟了发作的消沉(rLOD ) 的海马趾的分区的模式, LLD 的一种特殊子类型。十四个 rLOD 病人和 18 健康控制象功能的磁性的回声成像在基线并且在 21 月后续扫描的休息状态一样经历了临床、认知的评估。每马头鱼尾的怪兽被划分成三部分,角 ammonis (CA ) ,有牙齿的回转,和 subicular 建筑群,然后六个基于种子的海马趾的分区网络被建立。六个网络的纵的变化直接随着时间的过去在 rLOD 和控制组之间被比较。从基线到后续,在左 CA 的连接给更大的衰落看到双边的以后的 cingulate cortex/precuneus (PCC/PCUN ) ,但是出现的 rLOD 组与正面的外皮(双边的中间的前额的 cortex/anterior cingulate 外皮和增补马达区域) 增加了恰好海马趾的分区网络的连接。进一步的关联词分析表明在在左 CA 和 PCC/PCUN 之间的 FC 的纵的变化断然在标志位形式测试与纵的变化被相关( r = 0.624 , P = 0.017 )并且位跨度测试( r = 0.545 , P = 0.044 )在 rLOD 组得分。这些结果可以提供卓见进在 rLOD 病人位于认知机能障碍下面的 neurobiological 机制。Zan Wang Yonggui Yuan Feng Bai Hao Shu Jiayong You Lingjiang Li Zhijun Zhang 2015Neuroscience Bulletin2015,31,1:4
19An Investigation of the Potential Malignant Characteristics of Endometriosis显示文摘Chengxin Wang Hongyan Zhou Xiaonan You Xiji Shu Yan Li Xiaoling Zhao 2005Chinese Journal of Clinical Oncology2005,2,6:4
20Effect of montmorillonite on kinetics of polyurethane preparation reaction显示文摘prepolymerization 和 polyurethane/montmorillonite 的治好的反应动力学分别地与端基分析和 FTIR 被学习了。prepolymerization 和治好的反应跟随了第二顺序动力学,这被发现。但是在 montmorillonite 以后从 42.7 kJ/mol 增加到 56.5 kJ/mol 的 prepolymerization 的激活精力在治好反应的反应系统,和激活精力被增加从 64.4 kJ/mol 减少了到 17.5 kJ/mol。You Cao Yu Jiang Shu Lu Zhao Xiao Jun Cai Mei Long Hu Bing Liao 2008Chinese Chemical Letters2008,19,1:4
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