The peony has become a cultural and economic powerhouse in Heze.The peony,revered as the“king of flowers”in China,has long transcended its botanical identity to become a cultural icon deeply rooted in the Yellow Riv...The peony has become a cultural and economic powerhouse in Heze.The peony,revered as the“king of flowers”in China,has long transcended its botanical identity to become a cultural icon deeply rooted in the Yellow River basin.In the fertile plains of the Yellow River,Heze City in Shandong Province has long held a special connection with the peony.展开更多
The Trevi Fountain,or Fontana di Trevi in Italian,is an iconic(标志性的)symbol of Rome that has appealed to visitors for centuries.As you stand before this breathtaking Baroque masterpiece,it's easy to get lost in...The Trevi Fountain,or Fontana di Trevi in Italian,is an iconic(标志性的)symbol of Rome that has appealed to visitors for centuries.As you stand before this breathtaking Baroque masterpiece,it's easy to get lost in its splendour and the rich history it represents.Let's dive into the fascinating story behind this legendary(传奇的)fountain and discover why it continues to impress people from all over the world.展开更多
When discussing iconic Chinese cashmere brands,ERDOS is alwaysat the center of the conversation.Once famous across China for its slogan,"ERDOS brings warmth to all,"the traditional brand has now embarked on ...When discussing iconic Chinese cashmere brands,ERDOS is alwaysat the center of the conversation.Once famous across China for its slogan,"ERDOS brings warmth to all,"the traditional brand has now embarked on a journey of moderniza-tion and stylish reinvention.展开更多
Covalent organic frameworks(COFs)are crystalline materials composed of covalently bonded organic ligands with chemically permeable structures.Their crystallization is achieved by balancing thermal reversibility with t...Covalent organic frameworks(COFs)are crystalline materials composed of covalently bonded organic ligands with chemically permeable structures.Their crystallization is achieved by balancing thermal reversibility with the dynamic nature of the frameworks.Ionic covalent organic frameworks(ICOFs)are a subclass that incorporates ions in positive,negative,or zwitterionic forms into the frameworks.In particular,spiroborate-derived linkages enhance both the structural diversity and functionality of ICOFs.Unlike electroneutral COFs,ICOFs can be tailored by adjusting the types and arrangements of ions,influencing their formation mechanisms and physical properties.This study focuses on analyzing the graph-based structural characteristics of ICOFs with spiroborate linkages.We compute graph based entropy using hybrid topological descriptors that capture both local and global structural patterns.Furthermore,statistical regression models are developed to predict graph energies of larger-dimensional ICOF structures based on these descriptors.To ensure the robustness and accuracy of our results,we validated our findings using a pseudocode algorithm specifically designed for computing degree-based topological indices.This computational validation confirms the consistency of the derived descriptors and supports their applicability in quantitative structure-property relationship(QSPR)modeling.Overall,this approach provides valuable insights for future applications in material design and property prediction within the framework of ICOFs.展开更多
AS twilight descended,a screen rose.Locals and tourists converged spontaneously on the open-air cinema on the second-floor terrace of Chang’an Mills shopping plaza,in the iconic Shougang Park,Beijing.If anything riva...AS twilight descended,a screen rose.Locals and tourists converged spontaneously on the open-air cinema on the second-floor terrace of Chang’an Mills shopping plaza,in the iconic Shougang Park,Beijing.If anything rivals the magic of a summer night sky,it’s the jovial atmosphere brought about by the silver screen.展开更多
In order to obtain related brain electrical components and neural bases of physiology assessment of icon elements in a digital human-computer interface the modified sample-delay matching task experimental paradigm is ...In order to obtain related brain electrical components and neural bases of physiology assessment of icon elements in a digital human-computer interface the modified sample-delay matching task experimental paradigm is used under different time pressures 4 000 and 2 000 ms and different icon quantities three five and ten icons on icon memory based on event-related potential ERP technology.Experimental results demonstrate that P300 has significant volatility changes and the maximum amplitude around the middle line of the parietal area PZ and P200 has obvious volatility changes around the middle line of the frontal and central area FCZ during icon cognition.P300 and P200 amplitudes increase as tasks become more difficult.Thus P300 latency is positively correlated with task difficulty. ERP research on the characteristics of icon memory will be an important reference standard in guiding user neurocognitive behavior and physiology assessment on interface usability.展开更多
目的:观察儿童正畸患者治疗前后其父母生活质量的变化;分析Family Impact Scale(FIS)问卷对正畸治疗的应答性。方法:从正畸临床病人中随机挑选122例儿童患者,其父母分别在正畸前后填写汉语化的FIS问卷,治疗前后的模型采用ICON指数(Index...目的:观察儿童正畸患者治疗前后其父母生活质量的变化;分析Family Impact Scale(FIS)问卷对正畸治疗的应答性。方法:从正畸临床病人中随机挑选122例儿童患者,其父母分别在正畸前后填写汉语化的FIS问卷,治疗前后的模型采用ICON指数(Index of Complexity,Outcome and Need)进行评价。结果:治疗结束后家长的FIS值比治疗前显著降低,治疗前后FIS差值与家长的自我评价一致,但与ICON治疗前后差值没有显著关系。结论:正畸治疗后患者家长的生活质量显著提高,FIS问卷能够用于对患者家长生活质量的评估。展开更多
文摘The peony has become a cultural and economic powerhouse in Heze.The peony,revered as the“king of flowers”in China,has long transcended its botanical identity to become a cultural icon deeply rooted in the Yellow River basin.In the fertile plains of the Yellow River,Heze City in Shandong Province has long held a special connection with the peony.
文摘The Trevi Fountain,or Fontana di Trevi in Italian,is an iconic(标志性的)symbol of Rome that has appealed to visitors for centuries.As you stand before this breathtaking Baroque masterpiece,it's easy to get lost in its splendour and the rich history it represents.Let's dive into the fascinating story behind this legendary(传奇的)fountain and discover why it continues to impress people from all over the world.
文摘When discussing iconic Chinese cashmere brands,ERDOS is alwaysat the center of the conversation.Once famous across China for its slogan,"ERDOS brings warmth to all,"the traditional brand has now embarked on a journey of moderniza-tion and stylish reinvention.
文摘Covalent organic frameworks(COFs)are crystalline materials composed of covalently bonded organic ligands with chemically permeable structures.Their crystallization is achieved by balancing thermal reversibility with the dynamic nature of the frameworks.Ionic covalent organic frameworks(ICOFs)are a subclass that incorporates ions in positive,negative,or zwitterionic forms into the frameworks.In particular,spiroborate-derived linkages enhance both the structural diversity and functionality of ICOFs.Unlike electroneutral COFs,ICOFs can be tailored by adjusting the types and arrangements of ions,influencing their formation mechanisms and physical properties.This study focuses on analyzing the graph-based structural characteristics of ICOFs with spiroborate linkages.We compute graph based entropy using hybrid topological descriptors that capture both local and global structural patterns.Furthermore,statistical regression models are developed to predict graph energies of larger-dimensional ICOF structures based on these descriptors.To ensure the robustness and accuracy of our results,we validated our findings using a pseudocode algorithm specifically designed for computing degree-based topological indices.This computational validation confirms the consistency of the derived descriptors and supports their applicability in quantitative structure-property relationship(QSPR)modeling.Overall,this approach provides valuable insights for future applications in material design and property prediction within the framework of ICOFs.
文摘AS twilight descended,a screen rose.Locals and tourists converged spontaneously on the open-air cinema on the second-floor terrace of Chang’an Mills shopping plaza,in the iconic Shougang Park,Beijing.If anything rivals the magic of a summer night sky,it’s the jovial atmosphere brought about by the silver screen.
基金The National Natural Science Foundation of China(No.71271053,71071032)the Scientific Innovation Research of College Graduates in Jiangsu Province(No.CXZZ12_0093)
文摘In order to obtain related brain electrical components and neural bases of physiology assessment of icon elements in a digital human-computer interface the modified sample-delay matching task experimental paradigm is used under different time pressures 4 000 and 2 000 ms and different icon quantities three five and ten icons on icon memory based on event-related potential ERP technology.Experimental results demonstrate that P300 has significant volatility changes and the maximum amplitude around the middle line of the parietal area PZ and P200 has obvious volatility changes around the middle line of the frontal and central area FCZ during icon cognition.P300 and P200 amplitudes increase as tasks become more difficult.Thus P300 latency is positively correlated with task difficulty. ERP research on the characteristics of icon memory will be an important reference standard in guiding user neurocognitive behavior and physiology assessment on interface usability.
文摘目的:观察儿童正畸患者治疗前后其父母生活质量的变化;分析Family Impact Scale(FIS)问卷对正畸治疗的应答性。方法:从正畸临床病人中随机挑选122例儿童患者,其父母分别在正畸前后填写汉语化的FIS问卷,治疗前后的模型采用ICON指数(Index of Complexity,Outcome and Need)进行评价。结果:治疗结束后家长的FIS值比治疗前显著降低,治疗前后FIS差值与家长的自我评价一致,但与ICON治疗前后差值没有显著关系。结论:正畸治疗后患者家长的生活质量显著提高,FIS问卷能够用于对患者家长生活质量的评估。
