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A Dielectric Ink Combining Acrylate and Cyanate Moieties for Inkjet 3D Printing with Good Thermal Stability

Chinese Journal of Polymer Science 2024年第6期42卷 766-774页

作者： Yi-Xuan Li Liang-ying Wu Yan Yang yao-Zhong Lu Zhong-ying Ji Yu-Xiong Guo Xiao-Long Wang Qiao-Sheng Pu State Key Laboratory of Applied Organic Chemistry College of Chemistry and Chemical EngineeringLanzhou UniversityLanzhou730000China State Key Laboratory of Solid Lubrication Lanzhou Institute of Chemical PhysicsLanzhou730000China Lanzhou Traditional Chinese Medicine Hospital of Orthopedics and Traumatology Lanzhou730000China Shandong Laboratory of Advanced Materials and Green Manufacturing at Yantai Yantai Zhongke Research Institute of Advanced Materials and Green Chemical EngineeringYantai264006China

Inkjet 3D printing has potential in the additive manufacturing of electronic circuits and ***,inks that can be used for printing layers with T5%>300℃ or hardness>200 MPa have been rarely *** ester(CE)polymers have excellent thermal stability,high strength,and low shrinkage compared to other common dielectric inks for inkjet 3D printing,but cannot be quickly shaped by ultraviolet(UV)irradiation or thermal *** CEs with UV-curable monomers may be a possible way to accelerate crosslinking,but there are challenges from the adverse effects of the dilution of both *** this study,dielectric inks with acrylate and cyanate moieties were *** low viscosity and surface tension of the CE precursor(Bisphenol E cyanate ester)were combined with photocurable acrylate diluent monomers and cross-linker to realize an ink suitable for inkjet 3D *** internal dual three-dimensional cross-linked network structure resin was prepared by a combination of photocuring and thermal curing with T5%up to 326.69℃,hardness up to 431.84 MPa,dielectric constant of 2.70 at 8 GHz,and shrinkage of 1.64%.The developed dielectric inks can be applied to the 3D printing of printed circuit boards and other electronic devices that require dielectric properties.

关键词： Inkjet printing Cyanate ester resin 3D doubly cross-linked network Good thermal stability

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The investigation of care burden and coping style in caregivers of spinal cord injury patients

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International Journal of Nursing Sciences 2014年第2期1卷 185-190页

作者： Hai-Ping Ma Hui-Juan Lu Xiao-Yun Xiong Jian-ying yao Zhen Yang The Second Affiliated Hospital of Nanchang University NanchangChina School of Nursing Fudan UniversityShanghaiChina The First Affiliated Hospital of Nanchang University NanchangChina

Purpose:The level of care burden experienced by caregivers of patients with spinal cord injury and their coping style were evaluated in order to identify ways to improve their capacity to respond and reduce the care ***:A convenience sampling method was used to select 150 spinal cord injury patients who were discharged from the Second and the Third Affiliated Hospital of Nanchang University and their primary *** Chinese version of the Zarit Caregiver Burden Interview and the Simplified Coping Style Questionnaire were distributed to assess caregiver burden and coping ***:The care burden score of the caregivers of patients with spinal cord injury was 52.9111.56 ***-eight percent of caregivers reported moderate or severe care burden *** largest proportion of caregivers were female spouses,who were less likely to use an active coping strategy.A negative coping strategy was more frequently used by caregivers compared to healthy adults,and was positively correlated with burden of *** contrast,a negative correlation was found between the care burden and an active coping ***:Primary caregivers of spinal cord injury patients report a heavy burden of *** active coping strategies are more beneficial,medical care providers should encourage caregivers to make more use of these coping styles to promote physical and mental health for themselves,their patients and their family,as well as to improve the quality of care provided.

关键词： Caregivers Care burden Coping style Spinal cord injury

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Application of Poly(3,4-ethylenedioxythiophene):polystyrenesulfonate counter electrode in polymer heterojunction dye-sensitized solar cells

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Frontiers of Optoelectronics 2011年第4期4卷 369-377页

作者： Gentian YUE Jihuai WU Jianming LIN Miaoliang HUANG ying yao Leqing FAN yaoming XIAO Engineering Research Center of Environment-Friendly Functional Materials Ministry of Education The Key Laboratory for Functional Materials of Fujian Higher Education Institute of Material Physical Chemistry Huaqiao University

A Poly（3, 4-ethylenedioxythiophene）: polystyrenesulfonate（PEDOT:PSS）/carbon conductive paste was prepared and coated on a conducting FTO glass to construct counter electrode for polymer heterojunction dye-sensitized solar cells（DSSCs）. The surface morphology, conductivity, sheet resistance, redox properties and photoelectric properties of carbon electrode were observed respectively by scanning electron microscopy, four-probe tester and CHI660D electrochemical measurement *** experimental results showed that DSSCs had the best photoelectric properties for PEDOT:PSS/carbon counter electrode annealing at 80°C in vacuum conditions. Using[6, 6]-phenyl-C61-butyric acid methyl ester（PCBM）/poly（3-hexylthiophene）(P3HT) heterojunction to replace I3–/I–redox electrolyte, the overall energy conversion efficiency of the DSSCs with barrier layer reached 4.11%under irradiation of a simulated solar light with a intensity of 100 m W·cm–1（AM 1.5）, which is higher 20% than that of the DSSCs with Pt counter electrode（3.42%）. The excellent photoelectric properties, simple preparation procedure and low cost allow the PEDOT:PSS/carbon electrode to be a credible alternative used in DSSCs.

关键词： Poly (3 4-ethylenedioxythiophene): polystyrenesulfonate (PEDOT:PSS) counter electrode polymer heterojunction dye-sensitized solar cell (DSSC) photoelectric properties

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Safety of Mifepristone in Medical Abortion in Hyperthyroidism Pregnant Mice

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Reproductive and Developmental Medicine 2019年第1期3卷 30-35页

作者： Yun-Hui Tang Xiao-ying yao Department of Family Planning Obstetrics and Gynecology Hospital of Fudan UniversityShanghai 200011China

Objective:To study the safety of mifepristone on thyroid hormone level by using hyperthyroidism pregnant model in mouse to simulate the process of medical abortion and observe the changes of thyroid hormone during ***:A total of 60 female Institute of Cancer Research(ICR)mice aged 6-8 weeks were divided into control group,control group with 0 mgRU486 group(control-0 mgRU486),control group with 2 mgRU486 group(control-2 mgRU486),hyperthyroid pregnant mice with 0 mgRU486 group(hyper-0 mgRU486),hyperthyroid pregnant mice with 2 mgRU486 group(hyper-2 mgRU486),and hyperthyroid pregnant mice with 20 mgRU486 group(hyper-20 mgRU486).In the hyperthyroidism groups,L-thyroxine sodium was intraperitoneally injected every day at 30μg·kg^(−1)·day^(−1) until the end of the *** the 7^(th) day of the experiment,free triiodothyronine(FT3),free tetraiodothyroxine(FT4),thyroxine(TT4),and thyroid-stimulating hormone(TSH)levels were *** mice in the control groups and those in the experimental groups were paired with the male mice(2:1)on the 10^(th) day of the experiment,and the caging was *** the 8^(th) day of pregnancy(day 8),pregnant mice were subcutaneously injected with mifepristone in different doses and were sacrificed 6 h *** rate and the number of embryos were *** tissues were observed by hematoxylin and eosin(HE)*** TSH level was determined by ***:Six hours after injection with mifepristone,serum FT3,FT4,and TT4 levels of pregnant mice were all *** increased levels in the mice under hyperthyroidism were different from those in the control groups(P<0.05).There was no difference in the embryo number and pregnancy rate between the experimental and the control groups;HE staining indicated that there was no significant change in microscopic features before and after mifepristone ***:Serum thyroid hormone level of mice under hyperthyroidism was significantly i

关键词： Hyperthyroidism Medical Abortion Mifepristone Pregnant Mice

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Effects of Copper-Containing Intrauterine Devices on the Endometrium

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Reproductive and Developmental Medicine 2021年第1期5卷 38-43页

作者： Jia-Hui Che Xiao-ying yao Obstetrics and Gynecology Hospital of Fudan University Shanghai 200011China

The use of copper-containing intrauterine devices(Cu-IUDs)is a safe,effective,and long-term contraceptive ***,we review the effects of Cu-IUDs on subsequent pregnancy and the morphology,local coagulation function,sensitivity to estrogen and progesterone,cell proliferation,and immune response of the *** on the morphology of endometrium indicate that the use of Cu-IUDs can affect the number and binding capacity of estrogen and progesterone receptors in the endometrium and reduce the response of the endometrium to estrogen and *** use of Cu-IUDs can also affect the proliferation of endometrial cells,suggesting that the aseptic inflammation caused by Cu-IUDs may differ from chronic infectious or noninfectious inflammation;this highlights that the use of Cu-IUDs provides protection against endometrial proliferative *** use of Cu-IUDs increases local endometrial angiogenesis,bleeding tendency,and fibrinolytic activity,which can result in prolonged menstruation or abnormal uterine ***,the use of Cu-IUDs can cause the infiltration of numerous lymphocytes,monocytes,macrophages,and other inflammatory cells around the endometrial gland and changes in endometrial immune function,immune cell function,and the number and type of immune ***-IUD-induced decidual injury significantly increases the invasiveness of trophoblasts,further affecting the aberrant expression of their growth-,angiogenesis-,and invasion-related factors and improving the formation of the ***,the endometrial damage caused by Cu-IUD placement before embryo transfer can improve both clinical pregnancy and live birth rates;however,specific changes in the immune system after Cu-IUD use as well as its effects on future pregnancies require further investigation.

关键词： Contraception Copper Endometrium Intrauterine Contraception Intrauterine Device

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甘肃省柳树丛枝病中瘿螨的发生规律调查研究

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甘肃林业科技 2024年第1期49卷 76-81页

作者：牛犇方健惠王立祥朱亚灵田椰罗婧婧姚颖甘肃省林业有害生物防治检疫站甘肃兰州730000 甘肃农业大学植保学院甘肃兰州730030 兰州市园林科学研究所甘肃兰州730030

柳树是西北园林的主要绿化树种之一,在栽培过程中极易受栽培条件和自然环境因素的影响而遭受病虫害侵袭。近年来,柳树丛枝病在甘肃省发生并蔓延,且发生量呈上升趋势,严重影响甘肃省的景观生态。柳树丛枝病发生的瘿瘤中存在大量瘿螨,为... 详细信息

柳树是西北园林的主要绿化树种之一,在栽培过程中极易受栽培条件和自然环境因素的影响而遭受病虫害侵袭。近年来,柳树丛枝病在甘肃省发生并蔓延,且发生量呈上升趋势,严重影响甘肃省的景观生态。柳树丛枝病发生的瘿瘤中存在大量瘿螨,为明确瘿螨与柳树丛枝病之间的关系,2020-2021年,调查了甘肃省柳树丛枝病主要发生地的瘿螨种群动态,并对各地瘿螨进行了形态学鉴定。结果表明,柳树丛枝中的瘿螨为张掖瘿螨,隶属瘿螨科,瘿螨属;随着调查地点由西到东的变化,瘿螨种类数量在逐渐递增,其中庆阳市柳树丛枝病瘿瘤中的瘿螨数量最多(平均为529头),酒泉市的瘿螨数量最少(平均为52头);瘿螨数量与柳树丛枝病的发病程度相关;不同地区瘿螨的发生时间不同,酒泉市瘿螨的发生时间最迟,庆阳市发生时间最早;瘿螨的发生期由西至东逐渐延长,其中酒泉市瘿螨的发生期最短(约3个月),庆阳市瘿螨的发生期最长(约5个月)。研究结果可为快速防治柳树丛枝病的发生及蔓延提供一定的理论依据。

关键词：瘿螨柳树丛枝病种群动态

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Chiral helically grooved gold nanoarrows for concurrently enhancing oxygen and hydrogen evolution from electrochemical water splitting

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Science China Chemistry 2024年第11期67卷 3767-3776页

作者： Lufei Huang Tao Wang ying Li Ping Wang Rui Tian Baowen Zhou Lin yao China-UK Low Carbon College Shanghai Jiao Tong University Electron Microscopy Laboratory School of Physics Peking University State Key Laboratory for Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics School of Physics Peking University Key Laboratory for Power Machinery and Engineering of Ministry of Education Research Center for Renewable Synthetic FuelSchool of Mechanical Engineering Shanghai Jiao Tong University

Electrocatalytic water splitting shows a tremendous promise for storing green and intermittent electricity into storable fuels,paving a sustainable way toward carbon neutrality. The exploration of a bifunctional electrocatalyst for simultaneously enhancing oxygen evolution reaction and hydrogen evolution reaction is at the core yet remains a grand challenge, especially operated in the same electrolyte. In this work, mesoscale gold nanoarrows with special chiral morphology are synthesized for electrocatalytic water splitting. In the same electrolyte of 1 M KOH aqueous solution, the as-designed chiral R-/L-helically grooved gold nanoarrows（R-/L-heli GNAs） demonstrated significantly enhanced performance in both hydrogen evolution reaction and oxygen evolution reaction with overpotentials of 186 and 355 m V at 10 m A cm-2, respectively, compared to the achiral counterpart. For oxygen evolution reaction, the performance is even comparable to commercial notable metal catalysts,i.e., RuO2, of which the overpotential is 310 m V under the same measured conditions. The spin-polarized conductive atomic force microscope（c-AFM）, finite-difference time-domain simulation, in combination with electrochemical investigations, show that the chirality of R-/L-heli GNAs makes a substantial contribution toward the remarkable performance by enhanced electric field distribution for hydrogen evolution reaction and by tuning the spin states of the electrons for oxygen evolution *** study presents an encouraging strategy for simultaneously promoting hydrogen evolution reaction and oxygen evolution reaction that operated in the same electrolyte by imparting chirality toward a mesoscale inorganic electrocatalyst, showing a grand promise for opening up a new way for electrocatalytic water splitting toward green hydrogen.

关键词： chirality electron spin water splitting hydrogen evolution reaction oxygen evolution reaction

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Tsc2 mutation induces renal tubular cell nonautonomous disease

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Genes & Diseases 2022年第1期9卷 187-200页

作者： Prashant Kumar Fahad Zadjali ying yao Daniel Johnson Brian Siroky Aristotelis Astrinidis Peter Vogel Kenneth W.Gross John J.Bissler Department of Pediatrics University of Tennessee Health Science Center and Le Bonheur Children's HospitalMemphisTN 38103USA Children's Foundation Research Institute(CFRI) Le Bonheur Children's HospitalMemphisTN 38105USA Department of Clinical Biochemistry College of Medicine&Health SciencesSultan Qaboos UniversityMuscat 123Oman Molecular Bioinformatics Center University of Tennessee Health Science CenterMemphisTN 38163USA Department of Veterinary Pathology St.Jude Children's Research HospitalMemphisTN 38105USA Department of Molecular and Cellular Biology Roswell Park Comprehensive Cancer CenterBuffaloNY 14263USA Pediatric Medicine Department St.Jude Children's Research HospitalMemphisTN 38105USA

TSC renal cystic disease is poorly understood and has no approved *** a new principal cell-targeted murine model of Tsc cystic disease,the renal cystic epithelium is mostly composed of type A intercalated cells with an intact Tsc2 gene confirmed by sequencing,although these cells exhibit a Tsc-mutant disease *** used a newly derived targeted murine model in lineage tracing and extracellular vesicle(EV)characterization experiments and a cell culture model in EV characterization and cellular induction experiments to understand TSC *** lineage tracing experiments,we found principal cells undergo clonal expansion but contribute very few cells to the *** determined that cystic kidneys contain more interstitial EVs than noncystic kidneys,excrete fewer EVs in urine,and contain EVs in cyst ***,the loss of Tsc2 gene in EV-producing cells greatly changes the effect of EVs on renal tubular epithelium,such that the epithelium develops increased secretory and proliferative pathway *** demonstate that the mTORC1 pathway activity is independent form the EV production,and that the EV effects for a single cell line can vary *** cystogenesis involves significant contribution from genetically intact cells conscripted to the mutant phenotype by mutant cell derived EVs.

关键词： Cell nonautonomous trait Polycystic kidney disease Renalcystogenesis Tuberous sclerosis complex

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工业电子雷管在拆除爆破中的应用

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工程爆破 2024年第4期30卷 86-91,141页

作者：黄小武贾永胜孙金山姚颖康赵先锋周军曲兵兵王铭锋武汉爆破有限公司武汉430056 江汉大学省部共建精细爆破国家重点实验室武汉430056 无锡盛景微电子股份有限公司江苏无锡214000 前进民爆股份有限公司河南洛阳471000

近年来,工业电子雷管的产量总体保持高速增长,主要应用于露天土岩和隧道掘进爆破领域,在拆除爆破领域的使用量不足5%。为分析工业电子雷管在拆除爆破应用过程中存在的问题,结合拆除爆破工程案例,发现逐发扫描录入雷管的效率较低,需提高... 详细信息

近年来,工业电子雷管的产量总体保持高速增长,主要应用于露天土岩和隧道掘进爆破领域,在拆除爆破领域的使用量不足5%。为分析工业电子雷管在拆除爆破应用过程中存在的问题,结合拆除爆破工程案例,发现逐发扫描录入雷管的效率较低,需提高工业电子雷管起爆系统单台起爆器的起爆能以及扫描录入雷管和连接卡扣的效率。结合大规模工业电子雷管起爆网路试验,发现工业电子雷管起爆网路的传爆可靠性较高,雷管的报错率为0.03%~0.07%,拒爆率为0.02%;通过扫描盒条码录入雷管,可显著提高连网的操作工效。在拆除爆破工程中,需要根据结构的倒塌运动过程合理设置构件的起爆时间,根据工程规模定制合适的盒包装雷管数量,从而提高工业电子雷管起爆网路的适用性。

关键词：拆除爆破工业电子雷管起爆网路现场试验

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Key technology and application of AB_(2) hydrogen storage alloy in fuel cell hydrogen supply system

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Materials Reports(Energy) 2024年第1期4卷 113-122页

作者： Ming yao Jianguang Yuan Bao Zhang Youhua Yan Shaoxiong Zhou ying Wu School of Energy Power and Machinery Engineering North China Electric Power UniversityNo.2 BeinongluChangping DistrictBeijing 102206China Institute of Energy Power Innovation North China Electric Power UniversityNo.2 BeinongluChangping DistrictBeijing 102206China Jiangsu JITRI Advanced Energy&Materials Research Institute Co. LtdNo.5 ChongyinanluXinbei DistrictChangzhou 213000China

At present,there is limited research on the application of fuel cell power generation system technology using solid hydrogen storage materials,especially in hydrogen-assisted *** the disadvantages of low hydrogen storage capacity and poor kinetics of hydrogen storage materials,our primary focus is to achieve smooth hydrogen ab-/desorption over a wide temperature range to meet the requirements of fuel cells and their integrated power generation *** this paper,the Ti_(0.9)Zr_(0.1)Mn_(1.45)V_(0.4)Fe_(0.15) hydrogen storage alloy was successfully prepared by arc *** maximum hydrogen storage capacity reaches 1.89 wt% at 318 *** alloy has the capability to absorb 90% of hydrogen storage capacity within 50 s at 7 MPa and release 90% of hydrogen within 220 *** Multiphysics 6.0 software was used to simulate the hydrogen ab-/desorption processes of the *** flow rate of cooling water during hydrogen absorption varied in a gradient of(0.02 t x)m s^(-1)(x=0,0.02,0.04,0.06,0.08,0.1,0.12).Cooling water flow rate is positively correlated with the hydrogen absorption rate but negatively correlated with the *** the cooling rate is 0.06 m s^(-1),both simulation and experimentation have shown that the hydrogen storage tank is capable of steady hydrogen desorption for over 6 h at a flow rate of 2 L min^(-1).Based on the above conclusions,we have successfully developed a hydrogen-assisted two-wheeler with a range of 80 km and achieved regional demonstration operations in Changzhou and *** paper highlights the achievements of our team in the technological development of fuel cell power generation systems using solid hydrogen storage materials as hydrogen storage carriers and their application in twowheelers in recent years.

关键词： AB_(2)hydrogen storage alloy Hydrogen storage tanks Simulation Hydrogen-electric coupling system Power-assisted two-wheelers

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