Results 111 to 120 of about 33,281 (242)

Earnings Management, Reputation of Credit Rating Agencies and the Difference of the Cost of Corporate Bonds [PDF]

open access: yes, 2016
长期以来,由于历史和体制等特殊原因,我国直接融资和间接融资体系的发展并不均衡,经济发展和社会融资严重依赖银行贷款这一间接融资渠道,而直接融资的占比明显偏低。为优化社会融资结构,我国“十一五”和“十二五”规划纲要均提出“提高直接融资比重,积极发展债券市场”的重要战略举措。在政策的推动下,我国债券市场得以迅速发展壮大,市场容量和融资比例迅速提升。其中,公司债作为企业发债融资的重要选择之一,其发展问题成为理论界和实务界共同关注的重点。 现有研究表明企业发债前存在通过盈余管理提高信用评级并降低债券融资成本的动机,
王红娟
core  

From Swipes to Votes: The Role of the Voting Advice Application Voteswiper in Polarizing Voter Choices for the 2025 General Election in Germany

open access: yesPolicy &Internet, Volume 18, Issue 1, March 2026.
ABSTRACT Over the past two decades, Voting Advice Applications (VAAs) have become widely used tools that provide personalized political information to help voters make informed choices and strengthen democratic processes. However, little research has examined their potential unintended effects.
Marius Fröhle   +4 more
wiley   +1 more source

黑曲霉风化含钾矿石过程中碳酸酐酶和半胱氨酸合成酶基因表达量的差异 [PDF]

open access: bronze, 2013
伟英 王   +6 more
openalex   +1 more source

Research on Business Model and Development of Huitong Fund Cooperatove [PDF]

open access: yes, 2016
农村的发展需要大量的资金支持。但以商业银行、信用社为主体的农村信贷行业,一直存在着易存难贷和资金抽离农村市场的现象。福建省连城县培田村汇通资金合作社不仅改善了培田村民难以获得生产和消费贷款的困境,为本村的生产提供了资金支持,并提高了部分村民的生活质量,同时也获得了自身的收益和发展。汇通资金合作社选择的商业模式和战略方向有很强的参考价值。同时汇通资金合作社目前的经营困难和未来的发展前景,也值得深入分析。 本文以培田汇通资金合作社为研究对象,利用迈克尔.波特的竞争战略模型、奥斯特瓦德的商业模式模型等分析工具,
陈立
core  

3D‐Printed Porous High‐Entropy Alloy Boosts Peroxymonosulfate Activation for Long‐Term Organic Pollutant Degradation

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT High‐entropy alloys (HEAs) have attracted considerable interest from researchers owing to their tunable chemical compositions, exceptional structural stability, and promising catalytic properties. However, their large‐scale application is often hindered by complex manufacturing techniques and poor durability.
Sheng Guo   +9 more
wiley   +1 more source

银杏叶提取物抑制肾间质纤维化作用研究

open access: yesZhongguo shiyan zhenduanxue, 2019
目的以单侧输尿管结扎法(UUO)复制大鼠肾间质纤维化模型,探讨银杏叶提取物(GBE)防治肾间质纤维化效果及机制。方法 Wistar大鼠随机分为假手术组、模型组、银杏叶治疗组及贝那普利治疗组,以碱水解法测定各组大鼠羟脯氨酸含量;免疫组化法和实时定量RT-PCR法检测各组大鼠肾脏组织TGF-β1和CTGF表达。结果与假手术组比较,模型组大鼠肾组织羟脯氨酸含量均明显增高,差异有统计学意义 ...
温泉, 荘健春, 张红, 张永凯
doaj  

县域尺度下中国人口老龄化的空间格局与区域差异 [PDF]

open access: bronze, 2016
王录仓   +9 more
openalex   +1 more source

Design and Implementation of Service Management System for Insurance Company Customer Club [PDF]

open access: yes, 2015
近年来,中国保险业发展迅速,国内保险深度和密度持续提升。然而,险种产品正日益同质化,客户对服务品质的要求却越来越高。当产品不能满足客户需求时,其转而对服务提出了更多要求,催生了保险市场对服务差异化、多样化、个性化的需求,这些需求的实现离不开中后台的技术支持。 当前,互联网正冲击着传统金融行业的运营模式,保险公司若要在此变革中巩固竞争力,必须顺应潮流拥抱互联网,利用互联网思维推动服务变革。个中关键在于通过电子信息化手段整合线上线下资源,使线下资源经过线上的运作得到更高效的利用,充分发挥资源优势 ...
邓国华
core  

High‐Temperature Stable Narrowband Near‐Infrared Phosphor‐Converted Light‐Emitting Diode Based on Melt‐Grown CsPbCl3: Yb3+ Crystal

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT Narrowband near‐infrared (NIR) phosphor‐converted light‐emitting diodes (pc‐LEDs) featuring low full‐width at half maximum (FWHM) and high conversion efficiency are crucial for chemical content evaluation, light therapy, and bioimaging.
Chunshen Li   +4 more
wiley   +1 more source

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