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Science China Chemistry 2010年第5期53卷 1209-1215页

作者： sun, hongwei Yang, Qing Dong, GuoRi Hou, HongXun Zhang, ShuJun Yang, YingYing Peng, YongZhen Key Laboratory of Beijing Water Quality Science and Water Environment Recovery Engineering Beijing University of Technology Beijing 100124 China Anhui Guozhen Environmental Projection Sci. and Tech. Co. Ltd. Hefei 230088 China

An up-flow sludge blanket(UASB) and sequencing batch reactor(SBR) system was introduced to remove organics and nitrogen from landfill *** synergetic effect of free ammonia(FA) inhibition and process control was used to achieve the nitrite pathway in the *** previous research,inhibition of FA on nitrite oxidizing bacteria(NOB) activity has been revealed and the process control parameters(DO,ORP and pH) exactly indicate the end-point of *** method was implemented in the SBR achieving stable nitrogen removal via the nitrite pathway from landfill *** degree of nitrite accumulation during the nitritation was monitored along with the simultaneous and advanced removal of organics and nitrogen in the UASB-SBR *** nitrifying bacteria community was quantitatively analyzed by fluorescence in situ hybridization(FISH) *** tests were carried out to investigate the denitritation kinetics of microbial bacteria in the *** results showed that the nitrite pathway could be repeatedly and reliably achieved by synergetic effect of FA inhibition and process *** analysis showed the dominant nitrifying bacteria were ammonia-oxidizing β-Proteobacteria. Relationship between nitrite concentration and nitrite reduction rate followed the Monod-type *** maximum specific nitrite utilization rate(k) and half-velocity constant(Ks) were calculated as 0.44 gN gVSS-1d-1and 15.8 mg L-1,respectively.

关键词： landfill leachate partial nitrification FA FISH process control kinetic

Relationship between Full-Field Digital Mammographic Features and Clinicopathologic Characteristics in 176 Cases with Breast Cancer

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Chinese Journal of Clinical Oncology 2005年第5期2卷 781-786页

作者： Zhe sun hongwei Liang Huimian Xu Department of Oncologic Surgery First Affiliated Hospital China Medical University Shenyang 110001 China.

OBJECTIVE Different mammographic features are probably predictive of different prognosis. However, ambiguity still exists in understanding the relationship between them. In resent years, digital mammography has been available for clinical use which has led to a revolution in the resolving of images and an increase in early-stage breast cancer detection. Based on the above knowledge, this study was performed to evaluate the relationship between full-field digital mammographic features and clinicopathologic characteristics in breast cancer. METHODS Digital mammograms of 176 patients with pathologically proven breast cancer were reviewed. Also, clinical and pathologic records （histological types and axillary lymph nodes status） were retrospectively examined. RESULTS Most of the patients with a solitary microcalcification were young women under the age of 50（84.4%）, but the majority of the patients with microcalcifications complicated by a mass were elderly women. Microcalcifications detected by mammography occurred frequently in ductal carcinoma in situ （28.1%） and in early invasive carcinoma （15.6%）. Breast cancers with expression of microcalcifications combined with a spiculate mass had a high metastatic rate of axillary lymph nodes （69.4%）. A high metastatic rate of axillary lymph nodes was also found in the patients with solitary worm-like microcalcifications （57.1%）, solitary spiculate mass （53.7%） and solitary non-worm-like microcalcifications （44.4%）. Simple worm-like microcalcifications accompanied with metastasis of 4 to 9 axillary lymph nodes occurred in 42.9% of the（6/14） cases. The patients with microcalcifications combined by a spiculate mass and with metastasis of 4 to 9 axillary lymph nodes accounted for 27.8% （10/36） of the cases, and those with metastases of 10 and over accounted for 16.7% （6/36）. CONCLUSION Solitary microcalcifications occur frequently in young women and are usually associated with early breast cancer. There is a close relationship be

关键词： breast neoplasms full-field digital mammography microcaldflcations.

Influence of Different Hydrocarbon Molecules on Physical Properties of Mineral Base Oils

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China Petroleum Processing & Petrochemical Technology 2017年第1期19卷 33-45页

作者： Wang Weijun Long Jun He Yifeng sun hongwei Tian Songbai Zheng Hui SINOPEC Research Institute of Petroleum Processing

Different kinds of base oils with different viscosity were analyzed in this paper, including eight mineral base oils, alkylnaphthalene and three synthetic PAO oils. The influence of different hydrocarbon molecules on physical properties of mineral base oils was investigated, such as density(d), kinematic viscosity(KV), viscosity index(VI), etc. Possible reasons for some inconsistent phenomena in data processing were also theoretically analyzed in detail. The refractive indexes(RI), d and molecular weight(M) decrease linearly with the increase of paraffinic content other than KV, which declines exponentially. There are no clear relationships between physical properties of base oils and naphthenic content while polycyclic alkanes show a strong correlation with M and KV. The influence of aromatics on physical properties of base oils is just the opposite of paraffin's. VI of the base oils with low aromatics content increases linearly as their paraffinic contents rise when their carbon numbers are approximately equal. However, base oils with high aromatics content follow an utterly different rule, in which VI declines dramatically linearly with the increase in polycyclic aromatic content, which is the essential reason why naphthenic base oils all have terrible viscosity-temperature characteristics while paraffinic base oils usually do not.

关键词： base oil hydrocarbon molecule physical property

Unveiling the geometric site dependent activity of spinel Co_(3)O_(4)for electrocatalytic chlorine evolution reaction

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Journal of Energy Chemistry 2024年第5期92卷 95-103页

作者： Linke Cai Yao Liu Jingfang Zhang Qiqi Jia Jiacheng Guan hongwei sun Yu Yu Yi Huang Key Laboratory of Pesticide&Chemical Biology of Ministry of Education Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon Reduction of Ministry of EducationCollege of ChemistryCentral China Normal UniversityWuhan 430079HubeiChina Key Laboratory of Green Chemical Engineering Process of Ministry of Education Engineering Research Center of Phosphorus Resources Development and Utilization of Ministry of EducationHubei Key Laboratory of Novel Reactor and Green Chemical TechnologySchool of Chemical Engineering&PharmacyWuhan Institute of TechnologyWuhan 430205HubeiChina College of Materials Science and Engineering Fuzhou UniversityFuzhou 350108FujianChina School of Chemistry and Chemical Engineering Anhui UniversityHefei 230601AnhuiChina

Spinel cobalt oxide(Co_(3)O_(4)),consisting of tetrahedral Co^(2+)(CoTd)and octahedral Co^(3+)(CoOh),is considered as promising earth-abundant electrocatalyst for chlorine evolution reaction(CER).Identifying the catalytic contribution of geometric Co site in the electrocatalytic CER plays a pivotal role to precisely modulate electronic configuration of active Co sites to boost ***,combining density functional theory calculations and experiment results assisted with operando analysis,we found that the Co_(Oh) site acts as the main active site for CER in spinel Co_(3)O_(4),which shows better Cl^(-)adsorption and more moderate intermediate adsorption toward CER than CoTd site,and does not undergo redox transition under CER condition at applied *** by above findings,the oxygen vacancies were further introduced into the Co_(3)O_(4) to precisely manipulate the electronic configuration of Co_(Oh) to boost Cl^(-)adsorption and optimize the reaction path of CER and thus to enhance the intrinsic CER activity *** work figures out the importance of geometric configuration dependent CER activity,shedding light on the rational design of advanced electrocatalysts from geometric configuration optimization at the atomic level.

关键词： Chlorine evolution reaction Geometry effects Active chlorine Electronic configuration optimization Spinel oxides

Genetic analysis and gene mapping of a dwarf and liguleless mutation in barley

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The Crop Journal 2022年第4期10卷 1094-1102页

作者： Baojian Guo Jiang Qi Dongfang Li hongwei sun Chao Lyu Feifei Wang Juan Zhu Ganggang Guo Rugen Xu Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Key Laboratory of Plant Functional Genomics of the Ministry of Education/Jiangsu Key Laboratory of Crop Genetics and Physiology Jiangsu Co-Innovation Center for Modern Production Technology of Grain CropsYangzhou UniversityYangzhou 225009JiangsuChina Joint International Research Laboratory of Agriculture and Agri-Product Safety The Ministry of Education of ChinaYangzhou UniversityYangzhou 225009JiangsuChina Key Laboratory of Crop Germplasm Resources and Utilization(MOA) The National Key Facility for Crop Gene Resources and Genetic ImprovementInstitute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China

Leaf development underlies crop growth and productivity and has been a major target of crop domestication and ***,most genes controlling leaf development in barley remain *** identified a dwarf and liguleless(dl)mutant derived by ethylmethane sulfonate *** dl mutant showed dramatic changes in shoot architecture compared with wild-type(Yangnongpi 5)*** lacking ligules,the dl mutant showed much shorter plant height(28 cm)than Yangnongpi 5(78 cm).By map-based cloning,the dl gene was localized to a 56.58-kb genomic interval on the long arm of chromosome 7.A C-to-T single-nucleotide substitution was identified at exon position 790,and is a functional mutation resulting in a proline-to-serine substitution at the 264th amino acid residue of ***,HORVU7Hr1G106960 was identified as the DL gene,encoding 269 amino acids and containing the Arabidopsis LSH1 and Oryza G1(ALOG)*** is highly similar to rice OsG1-LIKE 1/2(OsG1L1/2)and sorghum AWN1/AWN1-10 at the amino acid *** the dl mutant allele showed no expression changes in selected tissues by real-time PCR,we propose HORVU7Hr1G106960 as a candidate gene conferring the dwarf and liguleless phenotype in barley.

关键词： Barley EMS Liguleless ALOG Shoot architecture

Pain threshold, anxiety and other factors affect intensity of postoperative pain in gastric cancer patients: A prospective cohort study

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Chinese Journal of Cancer Research 2021年第3期33卷 343-351页

作者： Hongyu Tan Jin Wei Shuo Li Ling Yu hongwei sun Ke Ji Yinkui Wang Changlong Li Key Laboratory of Carcinogenesis and Translational Research(Ministry of Education/Beijing) Department of AnesthesiologyPeking University Cancer Hospital&InstituteBeijing 100142China Key Laboratory of Carcinogenesis and Translational Research(Ministry of Education/Beijing) Center of Gastrointestinal CancerPeking University Cancer Hospital&InstituteBeijing 100142China

Objective: This prospective cohort study explored factors related to postoperative pain in gastric cancer ***: A total of 236 patients who underwent gastrectomy were enrolled. All patients enrolled in the study completed the Hospital Anxiety and Depression Scale(HADS) questionnaire and Life Orientation Test-Revised(LOT-R) questionnaire on the day before surgery. Heat pain threshold(HPT), cold pain threshold(CPT) and pressure pain threshold(PPT) were measured for all patients one day prior to surgery and demographic details were collected. All patients were connected to a patient-controlled intravenous analgesia(PCIA) pump at the end of the surgery. The occurrence of postoperative pain was used as a dependent variable, and multivariate logistic regression analyses were conducted to screen for factors affecting postoperative ***: In total, 83 patients(35.2%) had postoperative pain. Body mass index(BMI) ≥28 kg/m^(2) [odds ratio(OR): 2.67;95% confidence interval(95% CI): 1.07-6.67], total gastrectomy(OR: 2.64;95% CI: 1.42-4.91),preoperative anxiety score ≥8(OR: 2.37;95% CI: 1.12-5.02), heat pain threshold ≤4.9 s(OR: 2.14;95% CI:1.06-4.32), pressure pain threshold ≤4 g(OR: 2.05;95% CI: 1.05-4.03), and female gender(OR: 1.99;95% CI:1.04-3.83) were risk factors for postoperative ***: Obesity, wide range of gastrectomy, high preoperative anxiety, low HPT and PPT, and female gender are associated with increased risk for postoperative pain.

关键词： Anxiety level gastrectomy pain threshold postoperative pain

The electric field effect on the sensitivity of tin oxide gas sensors on nanostructured substrates at low temperature

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International Journal of Smart and Nano Materials 2014年第4期5卷 257-269页

作者： Haizhou Ren Haibin Huo Pengtao Wang Cong Wang Sai Liu Mengyan Shen hongwei sun Marina Ruths Department of Physics and Applied Physics and Nanomanufacturing Center University of Massachusetts Lowell1 University AvenueLowellMA 01854USA Department of Mechanical Engineering and Nanomanufacturing Center University of Massachusetts Lowell1 University AvenueLowellMA 01854USA Department of Chemistry and Nanomanufacturing Center University of Massachusetts Lowell1 University AvenueLowellMA 01854USA

A novel low-temperature SnO_(2) gas sensor was prepared and studied on silicon nanostructures formed by femtosecond laser *** applying a bias voltage on the silicon substrate to alter the charge distribution on the surface of the SnO_(2),carbon monoxide(CO),and ammonia(NH_(3))gas can be distinguished by the same sensor at room *** experimental results are explained with a mechanism that the sensor works at low temperature because of adsorption of gas molecules that trap electrons to the surface of the SnO_(2).

关键词： gas sensor carbon monoxide ammonia SnO_(2) nanostructure bias-induced selectivity

Elastohydrodynamic lubrication properties and friction behaviors of several ester base stocks

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Friction 2015年第3期3卷 243-255页

作者： Yifeng HE Thomas J.ZOLPER Pinzhi LIU Yuzhen ZHAO Xingliang HE Xuejin SHEN hongwei sun Qinghua DUAN Qian WANG Research Institute of Petroleum Processing SINOPECBeijing 100083China Department of Mechanical Engineering Northwestern UniversityEvanston IL 60208USA Department of Mechanical Engineering University of WisconsinPlatteville WI 53818USA Chongqing Branch of Lubricant Company SINOPECChongqing 400039China School of Mechatronic Engineering and Automation Shanghai UniversityShanghai 200072China

This paper reports a series of studies on the lubricant properties,elastohydrodynamic film thickness,and coefficients of friction of several commercially available ester base stocks,i.e.,diisooctyl phthalate(DIOP),diisodecyl phthalate(DIDP),diisotridecyl phthalate(DITDP),diisooctyl sebacate(DOS),diisotridecyl sebacate(DTDS),trihydroxymethylpropyl trioleate(TMPTO),and pentaerythritol tetraoleate(PETO).The results include densities and viscosities from 303 to 398 K,and elastohydrodynamic lubricant film thicknesses and friction in the boundary,mixed and full-film lubrication regimes measured at several temperatures,loads,and *** ester base stocks have different lubrication abilities owing to their chain lengths,geometric configurations,and molecular *** study provides quantitative insight into the use of ester-based lubricants for low friction through the entire lubrication regime(boundary to full film)by utilization of suitable type and size of the ester base stocks.

关键词： ester viscosity elastohydrodynamic lubrication friction synthetic base stocks

Nondestructive perception of potato quality in actual online production based on cross-modal technology

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International Journal of Agricultural and Biological Engineering 2023年第6期16卷 280-290页

作者： Qiquan Wei Yurui Zheng Zhaoqing Chen Yun Huang Changqing Chen Zhenbo Wei Shuiqin Zhou hongwei sun Fengnong Chen School of Automation Hangzhou Dianzi UniversityHangzhou 310018China School of Information Engineering and Internet of Things Huzhou Vocational and Technical CollegeHuzhou 313000ZhejiangChina Jinhua Academy of Agricultural Sciences Jinhua 321017ZhejiangChina College of Biosystems Engineering and Food Science Zhejiang UniversityHangzhou 310058China Fair Friend Institute of Intelligent Manufacturing Hangzhou Vocational and Technical CollegeHangzhou 310018China

Nowadays,China stands as the global leader in terms of potato planting area and total potato *** rapid and nondestructive detection of the potato quality before processing is of great significance in promoting rural revitalization and augmenting farmers’***,existing potato quality sorting methods are primarily confined to theoretical research,and the market lacks an integrated intelligent detection ***,there is an urgent need for a post-harvest potato detection method adapted to the actual production *** study proposes a potato quality sorting method based on cross-modal ***,an industrial camera obtains image information for external quality detection.A model using the YOLOv5s algorithm to detect external green-skinned,germinated,rot and mechanical damage ***/NIR spectroscopy is used to obtain spectral information for internal quality detection.A convolutional neural network(CNN)algorithm is used to detect internal blackheart disease *** mean average precision(mAP)of the external detection model is 0.892 when intersection of union(IoU)=*** accuracy of the internal detection model is 98.2%.The real-time dynamic defect detection rate for the final online detection system is 91.3%,and the average detection time is 350 ms per *** contrast to samples collected in an ideal laboratory setting for analysis,the dynamic detection results of this study are more applicable based on a real-time online working *** also provides a valuable reference for the subsequent online quality testing of similar agricultural products.

关键词： cross-modal technology potato quality YOLOv5s VIS/NIR spectroscopy online nondestructive detection

Fabrication and Excellent Antibacterial Activity of Well-defined CuO/Graphdiyne Nanostructure

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Chemical Research in Chinese Universities 2021年第6期37卷 1341-1347页

作者： PAN Chuanqi LIU Xiaoxuan ZHANG Xiang MAO Feihong XU Peiyan ZHU Yuhua DENG Hongtao LUO Zhu sun hongwei ZHANG Lizhi GUO Yanbing Key Laboratory of Pesticide&Chemical Biology Ministry of EducationInstitute of Environmental and Applied ChemistryCollege of ChemistryCentral China Normal UniversityWuhan430079P.R.China

Copper oxide(CuO),due to its low cost,good chemical and physical stability,has recently been given special attention as a potential candidate for antibacterial ***,developing novel CuO nanocomposites with improved antibacterial property and unraveling the interface promotion mechanism has been a fundamental challenge for ***,well-defined CuO/graphdiyne(CuO/GDY)nanostructures with uniformly anchored CuO nanoparticles(ca.4.5 nm)have been *** CuO/GDY nanostructure exhibited superior *** inactivation efficiency,which is nearly 19 times and 7.9 times higher than the bare GDY and commercial CuO,*** improved *** inactivation performance was mainly due to the increased reactive·O_(2)−species generated by the activation of molecular O2 over CuO/GDY *** findings demonstrate the efficient antibacterial activity of well-defined CuO/GDY nanostructures and provide insights on the development of efficient GDY-based antibacterial materials.

关键词： Graphdiyne CuO/GDY nanocomposite Escherichia coli Antibacterial Superoxide radical