检索结果-南通市图书馆

Clinical prediction of insufficient vaults after implantable collamer lens implantation

在线全文

学校读者我要写书评

暂无评论

International Journal of Ophthalmology(English edition) 2024年第7期17卷 1300-1306页

作者： Jun Zhu Dan Cheng Xue-Ying Zhu fen-fen li Ye Yang Yu-feng Ye National Clinical Research Center for Ocular Diseases Eye HospitalWenzhou Medical UniversityWenzhou 325027Zhejiang ProvinceChina

AIM:To determine the factors related to preoperative ocular characters that are predictive of insufficient vault(<250μm)after implantable collamer lens(ICL V4c;STAAR Surgical)***:The participants underwent ICL surger... 详细信息

AIM:To determine the factors related to preoperative ocular characters that are predictive of insufficient vault(linical outcomes were compared between the two *** relationship between the 3-month vault values and preoperative ocular parameters were evaluated by Generalized estimating ***:Sixteen(23 eyes)and 36 patients(63 eyes)were in the low and normal vault groups,*** implantation procedures were uneventful with no cataract formation in the early postoperative *** sulcusto-sulcus lens rise(STSL)and iris ciliary angle(ICA)were correlated with vault at 3mo after *** 0.1 mm increase in STSL was associated with 38.9μm decrease in the postoperative 3-month vault.A rise of 1 degree in ICA is associated with a reduction of 4μm in ***:Eyes with a narrow ciliary sulcus are associated with a higher rate of low vault after ICL implantation,suggesting a need for adjustments to the ICL size in these *** the characteristics of the ciliary sulcus contributes valuable information to predict low vault after surgery.

关键词： insufficient vault implantable collamer lens ciliary body posterior chamber

Micro-strain regulation strategy to stabilize perovskite lattice based on the categories and impact of strain on perovskite solar cells

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

Journal of Energy Chemistry 2025年第1期100卷 578-604页

作者： Caixia li Wenwu liu Shiji Da lingbin Kong fen Ran State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals Lanzhou University of Technology School of Materials Science and Engineering Lanzhou University of Technology

Photovoltaic metal halide perovskite solar cells(PSCs) convert light to electricity more efficiently than crystalline silicon cells, and the cost of materials used to make them is lower than that of silicon *** efficiency is not a core issue affecting the application of perovskite solar cells in special *** present, stability is the major technical encounters that hinders its further commercial development. Microstrain in PSCs is currently a significant factor responsible for the device's instability. Strain-induced ion migration is widely believed to accelerate perovskite degradation even when external stimuli are ***, it is imperative to study strain to enhance the stability of PSCs. This paper reviews recent developments to understand strain's origin and effect mechanisms on performance of PSCs, including ion migration,failure behavior, defect formation, and its effect on photoelectric properties, stability, and ***, several well-known strain management strategies are systematically introduced based on the strain effect mechanism and strain engineering on the film, providing more clues for further preparation with increased stability. The manipulation of external physical strain applied from films to entire devices has been extensively studied. Furthermore, recommendations for future research directions and chemical approaches have been provided. It is emphasized that strain engineering plays a crucial role in improving the efficiency and longevity of PSCs. Tensile strain causes rapid degradation, while moderate compressive strain and external strain control could improve properties and stability. Efforts should focus on controlling compressive strain to mitigate residual tensile strain and introducing it in a controlled manner. Future research endeavors may focus on exploring these pathways to improve the efficiency and lifespan of PSCs.

关键词： Halide perovskite solar cells Strain origins Strain effects Strain management

应用蒙特卡洛模拟评价头孢类抗菌药的给药方案

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

中国药学杂志 2018年第9期53卷 725-728页

作者：王梦妮李芬芬李英超冉延涛李晓天郑州大学药学院郑州450000

目的依据药动/药效(PK/PD)原理,应用蒙特卡洛模拟评价及优化头孢类抗菌药物的给药方案。方法将临床常用静脉滴注头孢类药物头孢拉定、头孢呋辛、头孢曲松、头孢吡肟0.75 g qid、1 g qid、2 g bid、2 g tid 4种给药方案分别对大肠埃希菌... 详细信息

目的依据药动/药效(PK/PD)原理,应用蒙特卡洛模拟评价及优化头孢类抗菌药物的给药方案。方法将临床常用静脉滴注头孢类药物头孢拉定、头孢呋辛、头孢曲松、头孢吡肟0.75 g qid、1 g qid、2 g bid、2 g tid 4种给药方案分别对大肠埃希菌、阴沟肠杆菌、肺炎克雷白杆菌、鲍曼不动杆菌、枸橼酸杆菌、金黄色葡萄球菌、肺炎链球菌、铜绿假单胞菌进行最低抑菌浓度(MIC)测定及蒙特卡洛模拟,评价各给药方案疗效。结果头孢拉定、头孢呋辛的耐药率较高(47.31%~100%),累计反应分数(CFR)均小于90%;头孢呋辛对大肠埃希菌、肺炎克雷白杆菌、枸橼酸杆菌及肺炎链球菌均有可取的给药方案;头孢吡肟对8种菌株均有至少1种给药方案的CFR大于90%,并且符合时间依赖性药物特点。结论对于治疗病菌感染,在选用头孢类药物时应遵从抗生素使用原则。目标治疗应进行致病菌株药敏试验,根据MIC值模拟相应的给药方案,实现个体化给药。

关键词：头孢类抗菌药药动/药效蒙特卡洛模拟

在线全文

学校读者我要写书评

暂无评论

食醋发酵过程中风味物质的研究

中国调味品 2017年第2期42卷 159-162页

作者：石芬芬李文梦王庭欣河北大学质量技术监督学院河北保定071000

从食醋发酵的原料、工艺过程以及食醋的研究现状等方面,全面地论述了食醋中风味物质的产生机理、过程、量以及作用,说明了这些风味物质对食醋质量有影响,从而为提高食醋质量提供了参考。

关键词：食醋发酵风味物质

单一产前诊断指征与胎儿染色体核型异常的关系分析

在线全文

学校读者我要写书评

暂无评论

解放军医学杂志 2017年第2期42卷 163-166页

作者：徐盈郭芬芬黎昱徐慧宋婷婷郑娇陈必良张建芳第四军医大学西京医院妇产科西安710032

目的探讨胎儿染色体异常的临床高危因素。方法回顾性分析2011年1月-2016年7月存在高龄、血清学筛查高风险和胎儿超声发育异常等单一产前诊断指征的4829例孕妇的临床资料。采用羊膜腔穿刺技术及胎儿染色体核型检测联合分析这些孕妇产前... 详细信息

目的探讨胎儿染色体异常的临床高危因素。方法回顾性分析2011年1月-2016年7月存在高龄、血清学筛查高风险和胎儿超声发育异常等单一产前诊断指征的4829例孕妇的临床资料。采用羊膜腔穿刺技术及胎儿染色体核型检测联合分析这些孕妇产前诊断指征与胎儿染色体异常发生的关系。结果单纯高龄组(n=1143)检出染色体核型异常57例,检出率5.0%;单纯血清学筛查高风险组(n=2367)检出染色体核型异常40例,检出率1.7%;单纯胎儿超声异常组(n=1319)共检出染色体核型异常57例,检出率4.3%,染色体多态性结构34例,检出率2.6%,其中胎儿心脏异常(333例)、羊水量异常(234例)、脑室扩张(89例)、胎儿心室强光点(898例)、脉络膜囊肿(34例)和肾盂增宽(18例)的核型异常检出率分别为6.9%(23/333)、8.5%(20/234)、1.1%(1/89)、1.1%(10/898)、5.9%(2/34)和5.6%(1/18)。结论高龄产妇、胎儿超声结构或软指标两项及以上异常并有其他畸形时,应当行产前诊断检查及结合家族史进行遗传咨询。

关键词：产前诊断羊膜腔穿刺术染色体畸变

在线全文

学校读者我要写书评

暂无评论

益生菌临床应用的研究进展

中国新药与临床杂志 2018年第3期37卷 130-135页

作者：何小平张孟戴承恩郑芬芬李海龙浙江亚林生物科技股份有限公司浙江杭州311400 中国林业科学研究院亚热带林业研究所浙江杭州311400

近年来,研究发现多种疾病的发生与肠道菌群失调密切相关,而益生菌在维持肠道菌群平衡中起重要作用。益生菌在预防和治疗腹泻、肥胖、肝脏损伤、肿瘤等疾病中展示良好的效果,其临床制剂的开发已成为当前研究的热点。随着益生菌制剂的广... 详细信息

近年来,研究发现多种疾病的发生与肠道菌群失调密切相关,而益生菌在维持肠道菌群平衡中起重要作用。益生菌在预防和治疗腹泻、肥胖、肝脏损伤、肿瘤等疾病中展示良好的效果,其临床制剂的开发已成为当前研究的热点。随着益生菌制剂的广泛使用,益生菌可能带来的不良反应也需要得到重视。本文阐述了益生菌制剂对疾病的预防、治疗及不良反应的研究进展,旨在为益生菌精准治疗及拓展益生菌临床应用提供理论依据。

关键词：有益菌种肠道菌群腹泻药物毒性临床应用

在线全文

学校读者我要写书评

暂无评论

医学生大五人格与攻击性的关系研究

中国校医 2018年第3期32卷 181-183页

作者：王芬芬李青青姜海燕济宁医学院精神卫生学院山东济宁272067

目的了解医学生攻击性的现状,探讨医学生的攻击性倾向与大五人格的相关性。方法采用攻击行为问卷和简易大五人格问卷,对某医学院校随机选取的339名本科医学生进行调查。结果 25.1%的医学生表现出中度以上的攻击倾向;医学生的攻击行为以... 详细信息

目的了解医学生攻击性的现状,探讨医学生的攻击性倾向与大五人格的相关性。方法采用攻击行为问卷和简易大五人格问卷,对某医学院校随机选取的339名本科医学生进行调查。结果 25.1%的医学生表现出中度以上的攻击倾向;医学生的攻击行为以敌意(36.6%)和言语攻击(33.6%)为主。男医学生的身体攻击和攻击总分均高于女医学生,差异有统计学意义(t=4.689,P<0.001;t=2.729,P<0.01)。层次回归结果显示,神经质、外向性和宜人性对攻击总分有显著地预测作用(P<0.001)。大五人格对身体攻击、言语攻击、愤怒、敌意和攻击总分的解释变异量分别增加了22.7%,15.6%,45.8%,40.8%和50.2%。结论医学生的攻击性倾向受人格因素影响,大五人格中的神经质、外向性和宜人性能有效预测医学生的攻击性倾向,培养和塑造健康的人格可以有助于预防和减少医学生的攻击性行为。

关键词：学生,医科人格攻击

Comparison of microstructure,mechanical property,and degradation rate of Mg-1li-1Ca and Mg-4li-1Ca alloys

在线全文

学校读者我要写书评

暂无评论

Bioactive Materials 2023年第8期26卷 279-291页

作者： li-Xin Long fen-fen Chen Lan-Yue Cui Ze-Song Wei Hai-Tao Wang Rong-Chang Zeng Yu-feng Zheng College of Materials Science and Engineering Shandong University of Science and TechnologyQingdao266590China Institute of Corrosion Science and Technology Guangzhou510530China School of Materials Science and Engineering Zhengzhou UniversityZhengzhou450002China School of Materials Science and Engineering Peking UniversityBeijing100871China International Research Organization for Advanced Science and Technology(IROAST) Kumamoto University2-39-2 Kumamoto860-8555Japan

Mg-1 wt.%li-1 wt.%Ca(LX11)and Mg-4 wt.%li-1 wt.%Ca(LX41)alloys share the same hexagonal closed-packed crystalline ***,the differences in microstructure,mechanical properties,and degradation rates between the two alloys are not well ***,the above three aspects of LX11 and LX41 alloys were studied via optical microscopy,tensile tests,and electrochemical polarization and electrochemical impedance spectroscopy,together with hydrogen *** concentration of the released Mg^(2+),Ca^(2+),and li+ions was analyzed using a flame atomic absorption *** demonstrated that the LX11 alloy was composed of finerα-Mg grains,fewer twins,and smaller volume fractions of the intermetallic phases Mg_(2)Ca than the LX41 *** increasing li concentration generated a weak decrease in the yield strength of the Mg-li-Ca alloys,a remarkable increase in elongation to failure,and a stable ultimate tensile *** LX11 alloy had better corrosion resistance than the LX41 *** release rate of the cations(Mg^(2+),Ca^(2+),and li+)varied significantly with *** release rate of metallic ions in Hank’s solution cannot reflect the true corrosion rate of Mg-li-Ca alloys due to the formation of the precipitated corrosion products and their difference in *** dealloying corrosion mechanism of the Mg_(2)Ca phase in Mg-li-Ca alloys was proposed.

关键词： Magnesium alloys Dealloying Intermetallic compound Biomaterial Ionic release

Muscarinic M3 Receptor Antagonist Bencycloquidium Bromide Attenuates Asthma in Mice

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

Muscarinic M3 Receptor Antagonist Bencycloquidium Bromide At...