检索结果-南通市图书馆

Tetraphenylethene-based hole transporting material for highly efficient and stable perovskite solar cells

Science China Chemistry 2024年第6期67卷 2009-2015页

作者： Peng Wang Pei Yuan Chenghao Ge Rongjun Zhao lin xie Yong Hua School of Materials and Energy Yunnan UniversityKunming650091China

2,2,7,7-Tetrakis-(N,N-di-p-methoxyphenylamine)-9,9-spirobifluorene(Spiro-OMeTAD)has been identified as the most widely used and effective hole transporting material(HTM)in perovskite solar cells(PSCs).However,the complicated multistep synthesis and low intrinsic hole mobility of Spiro-OMe TAD limit its commercialized ***,developing highly efficient HTMs with less synthetic steps becomes increasingly ***,understanding hot carriers transfer dynamics at the interface of perovskite layer and hole transport layer is crucial for further enhancing PSCs performance towards Shockley-Queisser limit,which still lacks full investigation to ***,a new HTM based on tetraphenylethene(WP1)was successfully synthesized by a simple one-step reaction *** was found that WP1-based HTM exhibits more matched energy level,higher hole mobility and conductivity than those of the control Spiro-OMe *** femtosecond transient absorption results reveal that the transfer rate of hot holes in perovskite/WP1 sample is four times higher than that of perovskite/Spiro-OMeTAD,thereby helping enhance the device ***,the efficiency of PSCs is enhanced to 24.04%(WP1)from 22.85%(Spiro-OMeTAD).Moreover,the un-encapsulated device prepared with WP1 exhibits better long-term stability,retaining 87%of its initial PCE value after storing for 72 days under air environment,while the reference device shows76%of its initial *** work indicates that simple tetraphenylethene-based organic small molecule could be a very promising HTM candidate for highly efficient PSCs,and gives some significant insights for understanding intrinsic hot carriers transfer dynamics in device.

关键词： tetraphenylethene hole transporting material perovskite solar cells mobility hot carrier

来源：

维普期刊数据库

同方期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Facile access to C-N bonds via unexpected side reactions of Knoevenagel condensation and their application in high-efficiency organic solar cells

引用

Science China Chemistry 2024年第1期67卷 323-329页

作者： Daobin Yang Shuncheng Yang Hongqian Wang lin xie Pengyu Yan Ziyi Ge Zhejiang Engineering Research Center for Energy Optoelectronic Materials and Devices Ningbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingbo 315201China School of Materials Science and Chemical Engineering Ningbo UniversityNingbo 315211China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049China

The construction of C-N bonds is of great importance in the fields of biology,medicine,chemistry and materials ***,the replacement of organic base from pyridine to piperidine in the Knoevenagel condensation process unexpectedly yields a series of novel organic molecules containing C-N ***,the synthesis method does not require any external transition-metals catalysis,and photo-/***,when the new compound 1b is added as a third component to a well-known binary system of PM6:Y6,the efficiency of the organic solar cell is significantly improved,resulting in an outstanding efficiency of 18.0%,which is one of the highest values reported to date for PM6:Y6-based ternary organic solar cells.

关键词： C-N bonds Knoevenagel condensation cross-coupling reaction third component organic solar cells

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Individualized Traditional Chinese Medicine treatment vs antibiotics for recurrent urinary tract infections: a multicenter, randomized controlled study

引用

Journal of Traditional Chinese Medicine 2024年第3期44卷 524-529页

作者： GU Xiangchen QIU Meisi xie lin CHEN Min DENG Yueyi ZHANG Changming JIAN Guihua WANG Chen WANG Yi Department of Nephrology Yueyang Hospital of Integrated Traditional Chinese and Western Medicine Affiliated to Shanghai University of Traditional Chinese Medicine Department of Nephrology Rizhao Hospital of Traditional Chinese Medicine Department of Nephrology Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine Department of Nephrology Shanghai Municipal Traditional Chinese Medicine Hospital Affiliated to Shanghai University of Traditional Chinese Medicine Department of Nephrology the Sixth People's Hospital Affiliated Shanghai Jiaotong University Department of Nephrology Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine

OBJECTIVE: To systematically assess the effects of individualized Chinese medicines on recurrent urinary tract infections(rUTIs).METHODS: This study recruited 230 adult female patients in the remission phase of rUTIs from five hospitals in China. The patients were randomly allocated to two groups: an individualized Chinese medicine group(n = 114) and a control group(n = 116). Patients in the Chinese medicine group received individualized Chinese herbs, which were evaluated for syndrome *** in the control group received antibiotic treatment combined with a Chinese medicine placebo. The duration of treatment was three courses of four weeks each, with a three-month subsequent follow-up. UTI recurrence rate,Traditional Chinese Medicine(TCM) syndrome scores,36-item Short Form Survey(SF-36) score, and urine secretory immunoglobulin A(SIgA) were measured and analyzed before and after treatment in each group. RESULTS: Patients from the Chinese medicine group exhibited significant decreases in both short-and longterm UTI recurrence rates compared with the control group(P < 0.05). The changes in TCM syndrome scores between the Chinese medicine and control groups were significant(P < 0.05). The changes in the average SF-36 quality-of-life scores in the Chinese medicine group were also significantly higher than those in the control group after treatment(P < 0.05). The Chinese medicine group also demonstrated a significant increase in urine SIg A expression. CONCLUSION: Taken together, compared to the oftenused long-term antimicrobial prophylaxis during the remission stage of r UTIs, treating patients with an individualized Chinese medicine decoction by syndrome differentiation could effectively reduce the recurrence rate, improve the patients' TCM syndrome scores and quality of life, and enhance immunity, which in turn helps to prevent antibiotic resistance.

关键词： immunoglobulin A, secretory medicine, Chinese traditional quality of life randomized controlled trial syndrome differentiation urinary tract infections

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Holographic Polymer Nanocomposites with High Refractive Index Modulation by Doping Liquid Crystal E6M

引用

Chinese Journal of Polymer Science 2024年第7期42卷 926-935,I0006页

作者： Meng-Yun Wang Yue Zhang Dan Wang Ming Yao Yi-Xuan Wang Xing-Ping Zhou Hai-Yan Peng Xiao-lin xie Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry of EducationSchool of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan430074China State Key Laboratory of Materials Processing and Die&Mould Technology Huazhong University of Science and TechnologyWuhan430074China National Anti-counterfeit Engineering Research Center Huazhong University of Science and TechnologyWuhan430074China

Holographic optical elements(HOEs)based on polymer composites have become a research hot spot in recent years for augmented reality(AR)due to the significant improvement of optical performance,dynamic range,ease of processing and high yield ***,it remains a formidable challenge to obtain a large field of view(FOV)and brightness due to the limited refractive index ***,we report an effective method to tackle the challenge by doping an epoxy liquid crystal termed E6M,which enables a large refractive index modulation of 0.050@633 nm and low haze of 5.0%at a doping concentration of 5 wt%.This achievement may be ascribed to the improved molecular ordering of liquid crystals within the holographic polymer *** high refractive index modulation can endow transmission-type holographic polymer composites with a high diffraction efficiency of 96.2%at a small thickness of 5μm,which would promise the design of thin and lightweight AR devices.

关键词： Polymer nanocomposites Holography AR/VR Refractive index modulation Liquid crystal

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

谢林教授从“痰瘀滞络”学说论治椎动脉型颈椎病的临床疗效

引用

内蒙古中医药 2024年第1期43卷 85-89页

作者：张翔谢林昆山市中医医院骨伤科江苏昆山215300 江苏省中西医结合医院骨伤科江苏南京210028

目的:观察葛泽定眩汤治疗椎动脉型颈椎病的临床疗效。方法:将符合纳入标准的100例患者,随机分成对照组和治疗组,分别给予盐酸氟桂利嗪胶囊及葛泽定眩汤治疗,并通过观察颈性眩晕症状与采集功能评估量表(ESCV)头晕问卷调查表(DHI)疼痛视... 详细信息

目的:观察葛泽定眩汤治疗椎动脉型颈椎病的临床疗效。方法:将符合纳入标准的100例患者,随机分成对照组和治疗组,分别给予盐酸氟桂利嗪胶囊及葛泽定眩汤治疗,并通过观察颈性眩晕症状与采集功能评估量表(ESCV)头晕问卷调查表(DHI)疼痛视觉模拟评分(VAS评分)及中药新药临床疗效评定标准加以评判。结果:与治疗前相比,治疗2周后及治疗后3月,两组ESVC、DHI、VAS数值均明显优于治疗前。两组对比发现,在治疗2周后及治疗后3月,葛泽定眩汤组疗效均明显优于盐酸氟桂利嗪胶囊组。葛泽定眩汤组临床治疗有效率达97.83%(45/46),高于盐酸氟桂利嗪胶囊的临床治疗有效率83.67%(41/49)。结论:从“痰瘀滞络”学说拟定的葛泽定眩汤治疗椎动脉型颈椎病有较好的临床疗效,特色突出,值得推广。

关键词：椎动脉型颈椎病葛泽定眩汤中医药疗效观察

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Sedimentary characteristics and lithofacies paleogeography of the Cambrian in Sichuan basin, Southwest China

引用

Petroleum 2024年第2期10卷 224-242页

作者： lin xie Xuefei Yang Yanhong Zhang Yan Xu Deming Zeng Ruifeng Tang Yao Du Xingzhi Wang State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation Southwest Petroleum University School of Geoscience and Technology Southwest Petroleum University Schlumberger China S.A. Research Institute of Exploration and Development PetroChina Southwest Oil & Gas Field Company

Cambrian in Sichuan basin developed thick black shale, varies carbonate and clastic rock, which deposited in different sedimentary environment. Sichuan basin in the upper Yangtze platform contained a record of environment during the Cambrian. Detail facies analyses of Cambrian enable us to discuss the sedimentary environment and palaeogeographic setting. Sedimentation commenced in the Early Cambrian with the deposition of shelf facies(Qiongzhusi Formation and Canglangpu Formation). At this stage, thick shale and clastic rock deposited in Sichuan basin. At the end of the Early Cambrian, a carbonate platform developed in upper Yangtze platform, and Sichuan basin was located in restricted platform(Longwangmiao Formation). In the Middle Cambrian, tidal flat and restricted platform developed in Sichuan basin(Douposi Formation), because of continuous regression. During the Late Cambrian,Sichuan basin was located in carbonate platform again(Xixiangchi Formation). There are three types of sedimentary system in the Cambrian of Sichuan basin: clastic sedimentary system, clastics-carbonate mixed sedimentary system and carbonate sedimentary system. Vertically, the basin shows the evolutionary character of clastic-carbonate sedimentary systems. The three sedimentary systems correspond to three “transgression-regression” cycles of the Cambrian. The transgression in the initial period of the Early Cambrian led to the formation of clastic sedimentary system in the Qiongzhusi Formation of Lower Cambrian. The transgression in the later period of the Early Cambrian led to the formation of clasticcarbonate mixed sedimentary system in the Middle-Lower Cambrian. The transgression in the initial period of the Late Cambrian led to the formation of carbonate sedimentary system in the Xixiangchi Formation of Upper Cambrian. With the end of Late Sinian continental rifting ended, Sichuan basin entered a stable evolutionary stage of the craton basin, while the paleo-land developed in the north

关键词： Sichuan basin Cambrian Sedimentary characteristics Lithofacies paleogeography

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

人形机器人自主侵权的责任认定

引用

东方法学 2024年第3期 77-87页

作者：谢琳中山大学法学院

因人工智能系统的不可解释性、不可预测性和自适应性,人形机器人自主侵权责任面临难以认定的困境。人形机器人自主致人损害属高风险人工智能领域,对此人形机器人提供者应承担产品责任,履行产品安全可控保障义务;大模型提供者仅需履行充... 详细信息

因人工智能系统的不可解释性、不可预测性和自适应性,人形机器人自主侵权责任面临难以认定的困境。人形机器人自主致人损害属高风险人工智能领域,对此人形机器人提供者应承担产品责任,履行产品安全可控保障义务;大模型提供者仅需履行充分的透明度告知义务,与人形机器人提供者承担共同侵权责任;人形机器人使用者须按照说明正确使用产品,其承担的侵权责任不宜过度偏离原有类型。通过层次化确立信息披露、可反驳的过错和因果关系推定,不再要求过错与因果关系具备一一对应性,可使受害者获得公平救济的同时兼顾产业发展。

关键词：人形机器人自主侵权侵权责任大模型过错因果关系推定

来源：

维普期刊数据库

同方期刊数据库博看期刊

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Clinical therapeutic effect of self-prescribed Sanhanchushi Tongbi on lumbar disc herniation

引用

World Journal of Clinical Cases 2024年第18期12卷 3444-3452页

作者： Cheng Yao Bin He Jie Zhou lin xie Department of Orthopedics The Affiliated Hospital of Integrated Traditional Chinese and Western MedicineNanjing University of Traditional Chinese MedicineNanjing 210028Jiangsu ProvinceChina Department of Orthopedics The Second Affiliated Hospital of Nanjing Medical UniversityNanjing 210000Jiangsu ProvinceChina

BACKGROUND Lumbar disc herniation(LDH)commonly occurs during spinal surgery;LDH is on the increase in younger patients and is classified as"paralysis"and"back pain."Sanhanchushi Tongbi(SPST)is a customized *** disperses cold,relieves pain,removes cold from the meridians and viscera,and treats neuropathic ***,few studies have investigated its mechanism of pain *** To observe the clinical therapeutic effects on LDH treated with self-prescribed *** A total of 211 patients with LDH syndrome were divided into two groups:107 patients in the control group were treated with conventional massage combined with traction,and 104 patients in the observation group were treated with a combination of the control regimen and self-prescribed oral *** patients were treated for 4 *** of traditional Chinese medicine(TCM)syndrome score and serum inflammatory factor levels were *** After therapy,the TCM syndrome score in the observation group was significantly lower than that in the control group(Plinical signs,daily activities,and Japanese Orthopedic Association scores in the observation group were significantly higher than those in the control group after therapy(P<0.05).The levels of tumor necrosis factor-α,interleukin-6,and C-reactive protein were lower in the observation group than in the control group(P<0.05).In the observation group,superoxide dismutase levels were significantly higher,whereas malondialdehyde levels were significantly lower,compared with the control group(P<0.05).The overall efficacy rate in the observation group was 96.15%,which was substantially higher than that in the control group(88.79%;P<0.05).CONCLUSION Self-prescribed SPST can reduce the levels of inflammatory and pain-causing factors as well as lumbar pain in patients with LDH.

关键词： Self-prescribed Sanhanchushi Tongbi Lumbar disc herniation Pain factors Visual analog scale Japanese Orthopedic Association scores Inflammatory factor

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

物流非高斯振动下的产品损伤分析

引用

振动工程学报 2024年第4期37卷 645-656页

作者：谢嘉琳王志伟暨南大学包装工程学院广东珠海519070 暨南大学产品包装与物流广东普通高校重点实验室广东珠海519070 暨南大学包装工程研究所广东珠海519070

公路运输过程中的冲击信号造成了物流随机振动的非高斯特性。为研究冲击成分对产品损伤的影响,对8条中型卡车和重型卡车实测道路信号进行了统计分析。将振动信号分为20%的高强度非高斯信号、60%的中等强度高斯信号和20%的低强度高斯信... 详细信息

公路运输过程中的冲击信号造成了物流随机振动的非高斯特性。为研究冲击成分对产品损伤的影响,对8条中型卡车和重型卡车实测道路信号进行了统计分析。将振动信号分为20%的高强度非高斯信号、60%的中等强度高斯信号和20%的低强度高斯信号。使用有限元软件进行时域振动分析,计算各信号段的损伤占比。结果表明:振动过程中,非高斯信号蕴含了高强度的冲击信号,造成了绝大部分的损伤。中型卡车振动数据冲击幅值大、占比少,相对而言,重型卡车冲击幅值低、占比多。中型卡车高5%的冲击信号造成了90%以上的损伤;重型卡车20%的非高斯信号中除10%的冲击成分外还包含10%的较高幅值振动,其20%的非高斯信号造成的损伤约为80%或更高。在整个运输振动过程中,含量较少的冲击信号主导了损伤的累积。

关键词：随机振动公路运输非高斯疲劳损伤冲击

来源：

维普期刊数据库博看期刊

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

构建市场导向的核心技术创新生态系统

引用

科学学研究 2024年第3期42卷 614-623页

作者：柳卸林常馨之中国科学院大学经济与管理学院北京100190 上海科技大学创业与管理学院上海201210 中国科学院大学中丹学院北京100190 中国-丹麦科研教育中心北京100190

新型举国体制相关文献已丰富讨论了政府主导的核心技术的供给模式,但是,大量市场导向的产业核心技术供给问题,仍然缺乏讨论。研究以荷兰阿斯麦公司(ASML)作为典型案例,分析光刻设备生产商如何通过创新生态系统实现光刻行业的核心技术突... 详细信息

新型举国体制相关文献已丰富讨论了政府主导的核心技术的供给模式,但是,大量市场导向的产业核心技术供给问题,仍然缺乏讨论。研究以荷兰阿斯麦公司(ASML)作为典型案例,分析光刻设备生产商如何通过创新生态系统实现光刻行业的核心技术突破。研究发现,在产业核心技术开发过程中,企业应当构建具有动态性和长期性的价值主张,发挥技术选择和布局的主体作用。在编排市场导向的创新生态系统时,核心企业需要关注非主流用户需求、与主流用户深度捆绑、带动互补者成长,参与非营利性联盟组织,营造良好的竞合生态环境。研究提出以创新生态系统为抓手,打造市场导向产业核心技术的创新模式,不仅为企业发挥创新主体作用提供实践经验,而且对构建政府和市场协同共创的供给模式提供参考。

关键词：产业核心技术市场导向创新生态系统新型举国体制

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：