目的:探究阿立哌唑、利培酮与氟哌啶醇治疗儿童抽动障碍的效果及安全性。方法:选取2021年3月—2024年3月于昭通市中医医院诊治的96例儿童抽动障碍患儿,随机分为阿立哌唑组、利培酮组、氟哌啶醇组,各32例。比较三组抽动严重程度[耶鲁综...目的:探究阿立哌唑、利培酮与氟哌啶醇治疗儿童抽动障碍的效果及安全性。方法:选取2021年3月—2024年3月于昭通市中医医院诊治的96例儿童抽动障碍患儿,随机分为阿立哌唑组、利培酮组、氟哌啶醇组,各32例。比较三组抽动严重程度[耶鲁综合抽动严重程度量表(Yale global tic severity scale,YGTSS)]、临床疗效及不良反应。结果:三组治疗前、治疗4周后、治疗8周后YGTSS评分比较,差异无统计学意义(P>0.05);三组治疗4周、8周后YGTSS评分低于治疗前,且三组治疗8周后YGTSS评分低于治疗4周后,差异有统计学意义(P<0.05)。三组临床总有效率比较,差异无统计学意义(P>0.05)。三组不良反应发生率比较,差异有统计学意义(P<0.05)。结论:阿立哌唑、利培酮与氟哌啶醇应用于儿童抽动障碍,均有利于改善患儿抽动症状,但相较于利培酮与氟哌啶醇,阿立哌唑治疗后不良反应较小,更具安全性。展开更多
A key problem of electronic commerce （for short e-commerce） is fair exchange which guarantees that at the end of the transaction, either both parties involved in the trausaction receive each other＇s items or none d...A key problem of electronic commerce （for short e-commerce） is fair exchange which guarantees that at the end of the transaction, either both parties involved in the trausaction receive each other＇s items or none do. A non-interactive optimistic fair exchange e-commerce protocol model based on the publicly verifiable secret sharing is presented. The main idea of our exchange protocol is to interchange verifiable and recoverable keys of the symmetric encryption for participants＇ items. So it is especially suitable for exchange of large-size items. Furthermore, our protocol is efficient and simple as it does not need interactive proof system which has been adopted by a large quantity of previously proposed fair exchange protocols. Based on a modified （2,2） secret sharing scheme, a concrete non-interactive fair exchange e-commerce protocol is designed.展开更多
文摘目的:探究阿立哌唑、利培酮与氟哌啶醇治疗儿童抽动障碍的效果及安全性。方法:选取2021年3月—2024年3月于昭通市中医医院诊治的96例儿童抽动障碍患儿,随机分为阿立哌唑组、利培酮组、氟哌啶醇组,各32例。比较三组抽动严重程度[耶鲁综合抽动严重程度量表(Yale global tic severity scale,YGTSS)]、临床疗效及不良反应。结果:三组治疗前、治疗4周后、治疗8周后YGTSS评分比较,差异无统计学意义(P>0.05);三组治疗4周、8周后YGTSS评分低于治疗前,且三组治疗8周后YGTSS评分低于治疗4周后,差异有统计学意义(P<0.05)。三组临床总有效率比较,差异无统计学意义(P>0.05)。三组不良反应发生率比较,差异有统计学意义(P<0.05)。结论:阿立哌唑、利培酮与氟哌啶醇应用于儿童抽动障碍,均有利于改善患儿抽动症状,但相较于利培酮与氟哌啶醇,阿立哌唑治疗后不良反应较小,更具安全性。
文摘已有的短比较加密(SCE,short comparable encryption)方案能在确保物联网数据安全的前提下通过比较密文数据大小而推出明文数据大小。但SCE方案在密文比较以及生成标签的过程中会引入大量的计算和存储开销。为此,提出一种基于滑动窗口技术统一开窗的高效短比较加密(SCESW,short comparable encryption based on sliding window)方案。严格的安全分析表明,SCESW方案在标准模型下满足弱不可区分性且保障了数据的完整性和机密性。同时,实验性能分析表明,SCESW方案的存储开销是SCE方案的1(t1)t>且效率高于SCE方案。
基金This project was partially supported by the National Natural Science Foundation of China (60273049, 90104005).
文摘A key problem of electronic commerce （for short e-commerce） is fair exchange which guarantees that at the end of the transaction, either both parties involved in the trausaction receive each other＇s items or none do. A non-interactive optimistic fair exchange e-commerce protocol model based on the publicly verifiable secret sharing is presented. The main idea of our exchange protocol is to interchange verifiable and recoverable keys of the symmetric encryption for participants＇ items. So it is especially suitable for exchange of large-size items. Furthermore, our protocol is efficient and simple as it does not need interactive proof system which has been adopted by a large quantity of previously proposed fair exchange protocols. Based on a modified （2,2） secret sharing scheme, a concrete non-interactive fair exchange e-commerce protocol is designed.
