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Jidong cognitive impairment cohort study: objectives, design, and baseline screening

Neural Regeneration Research 2020年第6期15卷 1111-1119页

作者： dai-yu Song Xian-Wei Wang Sa Wang Si-Qi Ge Guo-Yong Ding Xue-yu Chen Yan-Ru Chen Hua-Min Liu Xiao-Mei Xie Wei-Jia Xing Dong Li Yong Zhou School of public health Shandong First Medical University&Shandong Academy of Medical SciencesTaianShandong ProvinceChina School of Ophthalmology and Optometry Eye HospitalWenzhou Medical UniversityWenzhouZhejiang ProvinceChina Department of Neuroepidemiology Beijing Neurosurgical InstituteCapital Medical UniversityBeijingChina Staff hospital of jidong oilfield Caofeidian districtTangshanHebei ProvinceChina Department of Neurology The Affiliated Wenling Hospital of Wenzhou Medical UniversityWenlingZhejiang ProvinceChina

The risk of dementia increases in patients with cognitive ***,it is not clear what factors contribute to the onset of dementia in those with cognitive *** this prospective cohort study,we will investigate the every-five-year incidence of cognitive impairment and prognostic factors for cognitive *** Jidong cognitive impairment cohort was established from April 2012 to August 2015,during which we recruited 5854 healthy participants(55.1%male)older than 45 years(mean,57 years).Participants received a health examination in the Staff Hospital,Jidong Oilfield Branch,China National Petroleum *** data and blood samples were *** impairment was evaluated using the Mini-Mental State Examination,and was defined as a Mini-Mental State Examination score of less than *** was assessed using the criteria of Diagnostic and Statistical Manual of Mental Disorders(Fourth edition),the International Working Group criteria,and the Mini-Mental State Examination *** follow-up will continue until December 2024,during which a prognostic model will be *** primary outcome is the presence/absence of dementia and the secondary outcome is quality of *** screening results showed the following:(1)Cognitive impairment was apparent in 320 participants(5.5%).These participants will be excluded from the Jidong cohort study,and the remaining participants will be followed up.(2)Of the 320 participants with cognitive impairment,there was a significantly higher prevalence of illiteracy than other education levels(35.9%,P<0.05).Age,arterial hypertension,alcohol consumption,and passive smoking differed significantly between the cognitive impairment and healthy groups(P<0.05).Multivariate logistic regression models showed that age(odds ratio[OR]=1.059,95%confidence interval[CI]:1.044-1.074)and arterial hypertension(OR=1.665,95%CI:1.143-2.427)were risk factors for mild cognitive *** the increase o

关键词： assessment cognitive impairment community dementia follow-up Mini-Mental Status Examination Scale model new basis prevention prognostic factors

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A double-layer model for improving the estimation of wheat canopy nitrogen content from unmanned aerial vehicle multispectral imagery

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Journal of Integrative Agriculture 2023年第7期22卷 2248-2270页

作者： LIAO Zhen-qi dai yu-long WANG Han Quirine M.KETTERINGS LU Jun-sheng ZHANG Fu-cang LI Zhi-jun FAN Jun-liang Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas of the Ministry of Education Northwest A&F UniversityYangling 712100P.R.China Department of Animal Science Cornell UniversityIthacaNY 14853USA

The accurate and rapid estimation of canopy nitrogen content(CNC)in crops is the key to optimizing in-season nitrogen fertilizer application in precision ***,the determination of CNC from field sampling data for leaf area index(LAI),canopy photosynthetic pigments(CPP;including chlorophyll a,chlorophyll b and carotenoids)and leaf nitrogen concentration(LNC)can be time-consuming and *** we evaluated the use of high-precision unmanned aerial vehicle(UAV)multispectral imagery for estimating the LAI,CPP and CNC of winter wheat over the whole growth period.A total of 23 spectral features(SFs;five original spectrum bands,17 vegetation indices and the gray scale of the RGB image)and eight texture features(TFs;contrast,entropy,variance,mean,homogeneity,dissimilarity,second moment,and correlation)were selected as inputs for the *** machine learning methods,i.e.,multiple stepwise regression(MSR),support vector regression(SVR),gradient boosting decision tree(GBDT),Gaussian process regression(GPR),back propagation neural network(BPNN)and radial basis function neural network(RBFNN),were compared for the retrieval of winter wheat LAI,CPP and CNC values,and a double-layer model was proposed for estimating CNC based on LAI and *** results showed that the inversion of winter wheat LAI,CPP and CNC by the combination of SFs+TFs greatly improved the estimation accuracy compared with that by using only the *** RBFNN and BPNN models outperformed the other machine learning models in estimating winter wheat LAI,CPP and *** proposed double-layer models(R^(2)=0.67-0.89,RMSE=13.63-23.71 mg g^(-1),MAE=10.75-17.59 mg g^(-1))performed better than the direct inversion models(R^(2)=0.61-0.80,RMSE=18.01-25.12 mg g^(-1),MAE=12.96-18.88 mg g^(-1))in estimating winter wheat *** best winter wheat CNC accuracy was obtained by the double-layer RBFNN model with SFs+TFs as inputs(R^(2)=0.89,RMSE=13.63 mg g^(-1),MAE=10.75 mg g^(-1)).The results of this study can

关键词： UAV multispectral imagery spectral features texture features canopy photosynthetic pigment content canopy nitrogen content

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Same-day single-dose vs large-volume split-dose regimens of polyethylene glycol for bowel preparation:A systematic review and meta-analysis

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World Journal of Clinical Cases 2022年第22期10卷 7844-7858页

作者： Hui Pan Xiao-Ling Zheng Chao-Ying Fang Lan-Zai Liu Jian-Su Chen Chao Wang yu-dai Chen Jian-Min Huang yu-Shen Zhou Li-Ping He Gastrointestinal Endoscopy Center Fujian Provincial HospitalThe Shengli Clinical Medical CollegeFujian Medical UniversityFuzhou 350001Fujian ProvinceChina Gastrointestinal Endoscopy Center Fujian Provincial Hospital South BranchFuzhou 350001Fujian ProvinceChina

BACKGROUND Split-dose regimens(SpDs)of 4 L of polyethylene glycol(PEG)have been established as the“gold standard”for bowel preparation;however,its use is limited by the large volumes of fluids required and sleep disturbance associated with night ***,the same-day single-dose regimens(SSDs)of PEG has been recommended as an alternative;however,its superiority compared to other regimens is a matter of *** To compare the efficacy and tolerability between SSDs and large-volume SpDs PEG for bowel *** We searched MEDLINE/PubMed,the Cochrane Library,RCA,EMBASE and Science Citation Index Expanded for randomized trials comparing(2 L/4 L)SSDs to large-volume(4 L/3 L)SpDs PEG-based regimens,regardless of adjuvant laxative *** pooled analysis of relative risk ratio and mean difference was calculated for bowel cleanliness,sleep disturbance,willingness to repeat the procedure using the same preparation and adverse effects.A random effects model or fixed-effects model was chosen based on heterogeneity analysis among *** A total of 18 studies were *** was no statistically significant difference of adequate bowel preparation(relative risk=0.97;95%CI:0.92-1.02)(14 trials),right colon Boston Bowel Preparation Scale(mean difference=0.00;95%CI:-0.04,0.03)(9 trials)and right colon Ottawa Bowel Preparation Scale(mean difference=0.04;95%CI:-0.27,0.34)(5 trials)between(2 L/4 L)SSDs and large-volume(4 L/3 L)SpDs,regardless of adjuvant laxative *** pooled analysis favored the use of SSDs with less sleep disturbance(relative risk=0.52;95%CI:0.40,0.68)and lower incidence of abdominal pain(relative risk=0.75;95%CI:0.62,0.90).During subgroup analysis,patients that received low-volume(2 L)SSDs showed more willingness to repeat the procedure using the same preparation than SpDs(P0.05).CONCLUSION Regardless of adju

关键词： Bowel preparation Colonoscopy Polyethylene glycol Same-day single-dose Split-dose Metaanalysis

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Performance of a c-and a-Cut Ho:YAP Laser at Room Temperature

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Chinese Physics Letters 2012年第3期29卷 114-116页

作者： SHEN Ying-Jie YAO Bao-Quan dai Tong-yu LI-Gang DUAN Xiao-Ming JU You-Lun WANG yue-Zhu National Key Laboratory of Tunable Laser Technology Harbin Institute of TechnologyHarbin 150001

Continuous-wave operation of room-temperature c-and a-cut Ho:YAP lasers resonantly end-pumped by a diodepumped Tm:YLF laser at 1.91μm are comparatively *** maximum output powers of 7.8 W at 2103nm and 6.09 W at 2130 nm for c-cut Ho:YAP crystal are *** maximum output power of 8.78 W at 2119nm for a-cut Ho:YAlO_(3)crystal is *** maximum slope efficiency in terms of absorbed pump power approximately reaches 57.8%for c-oriented crystal and about 52.7%for a-oriented crystal.

关键词： Tm:YLF pumped pump

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中国轨道交通视频节目的听觉信息设计

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装饰 2014年第12期 30-32页

作者：戴岱戴娱清华大学美术学院曲阜师范大学音乐学院

在市场细分形势中,广告业由粗放型向集约型经济转变。作为重要户外媒体之一,我国轨道交通移动视频终端的节目内容设计暴露出了诸多问题,亟待相关内容提供方足够重视,进行针对性的技术改进,升级服务理念。节目声音作为信息传达至关重要... 详细信息

在市场细分形势中,广告业由粗放型向集约型经济转变。作为重要户外媒体之一,我国轨道交通移动视频终端的节目内容设计暴露出了诸多问题,亟待相关内容提供方足够重视,进行针对性的技术改进,升级服务理念。节目声音作为信息传达至关重要的载体,不仅是乘客获得节目体验的听觉信息载体,也是商业广告内容的重要载体,更是运营商公共信息服务意识与品牌价值观的直接反映。本文着重讨论了中国轨道交通工具内部视频媒体听觉信息的设计思维,论述了当前用专业化标准进行内容设计提升的必要性,并提出了初步的改进建议。

关键词：轨道交通移动视频终端听觉信息设计声传播环境伴随收听

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A New Dispersion-strengthening Phase in an Aged RST Al-8Fe-2Mo-2Zr-2Nd-0.7Ti-1.6Si Alloy

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Journal of Materials Science & Technology 1993年第4期9卷 307-309页

作者： Shenglong dai Guifu yu Minggao YAN Institute of Aeronautical Materials,Beijing,100095,China

An effective dispersion-strengthening phase in Al-8Fe-2Mo-2Zr-2Nd-0.7Ti-1.6Si alloy was identified to be an aged precipitate phase with possible chemical stoichiometry of Al_(20)(Ti,Mo)_2 Nd and fcc crystal structure ... 详细信息

关键词： high temperature Al alloy dispersion-strengthening phase structure

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硅锰钼耐热球铁的研制

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铸造 2006年第12期55卷 1291-1293页

作者：戴斌煜南昌航空工业学院材料科学与工程系江西南昌330034

根据钛合金成形模具的技术要求,研制了一种高温力学性能较好的中硅锰钼球铁模具材料。通过选择合适的化学成分,适当提高锰的含量,并采用合理的孕育和热处理工艺,所获得的中硅锰钼球铁高温硬度比中硅钼球铁提高33%。采用酯硬化水玻璃砂... 详细信息

根据钛合金成形模具的技术要求,研制了一种高温力学性能较好的中硅锰钼球铁模具材料。通过选择合适的化学成分,适当提高锰的含量,并采用合理的孕育和热处理工艺,所获得的中硅锰钼球铁高温硬度比中硅钼球铁提高33%。采用酯硬化水玻璃砂消失模铸造工艺制造的钛合金成形模具,能满足600～800℃下成形的技术要求。

关键词：中硅锰钼耐热球铁钛合金成形模具消失模

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Nucleation and Formation of Stable and Metastable Phases in Undercooled AI-Li Melts

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Journal of Materials Science & Technology 1993年第3期9卷 190-194页

作者： Shenglong dai Guifu yu Minggao YAN Institute of Aeronautical Materials,Beijing,100095,China

A modified nucleation and competitive growth kinetic theory considering unsteady nucleation and effect of composition in dilute binary alloys was suggested,based on which the selections of δ.δ' and α phases in unde... 详细信息

关键词： undercooling nucleation Al-Li alloy

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Anaphylaxis and generalized urticaria from eating Chinese bayberry fruit

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2012年第10期13卷 851-854页

作者： Hui-ying WANG Zhong-shan GAO Zhao-wei YANG Jing-xin SHAO Xiu-zhen ZHAO yu dai Ronald VAN REE Department of Allergy and Clinical Immunology the Second Affili-ated HospitalSchool of MedicineZhejiang UniversityHangzhou310013China Allergy Research Center Department of HorticultureCollege ofAgriculture and BiotechnologyZhejiang UniversityHangzhou310058China Department of Clinic Laboratory the Second Affiliated HospitalSchool of MedicineZhejiang UniversityHangzhou 310013China Department of Experimental Immunology and Department ofOtorhinolaryngology Academic Medical CenterUniversity of Am-sterdamMeibergdreef 91105 AZAmsterdamthe Netherlands

Chinese bayberry Myrica rubra is a very popular fruit in southeastern *** spite of its wide consumption,no allergies to this fruit have been reported *** we report on a 40-year-old woman suffering from anaphylaxis to Chinese bayberry ***-prick skin tests revealed strong reactions to fresh Chinese bayberry fruits as well as to peach,and weaker reactions to some other fruits including apple,melon,and *** analysis revealed identical titers of specific IgE(4.3 kU A /L) to peach extract and its lipid transfer protein(LTP,rPru p 3),which was confirmed by detection of a 9 kD band following *** analysis with Chinese bayberry extract gave bands of 22,45,and 90 kD,but no 9 kD band was *** was also no evidence of LTP recognition for loquat(36 kD) or melon(24 kD).This first report of a severe allergic reaction to Chinese bayberry fruit in a patient with LTP-mediated peach allergy indicates that other as yet unidentified non-pollen related fruit allergens are involved in this new severe fruit allergy.

关键词： Chinese bayberry Fruit allergy Anaphylaxis

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Hydnaceous fungi of China 1. Stecchericium （Aphyllophorales）, a genus new to China

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菌物学报 2008年第1期27卷 57-61页

作者： yuAN Hai-Sheng dai yu-Cheng Institute of Applied Ecology Chinese Academy of Sciences Shenyang 110016 China

The hydnaceous genus Stecchericium is newly recorded from southeast of China. It is characterized by imbricate basidiocarps, tubular and thick-walled gloeocystidia, and small, ellipsoid, finely asperulate, strongly amyloid basidiospores. An illustrated description of Stecchericium seriatum is given based on the materials collected from yunnan Province.

关键词：中国齿状真菌刺孢齿耳属非褶菌目新记录属

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