目的:采用动态低频振幅技术(dALFF)结合监督学习模型探讨无先兆偏头痛(患者睡眠障碍)的神经影像机制。方法:收集52名确诊为无先兆偏头痛的患者,根据匹兹堡睡眠质量指数将其分为偏头痛伴睡眠障碍组(MwSD)与偏头痛不伴睡眠障碍组(MwoSD),...目的:采用动态低频振幅技术(dALFF)结合监督学习模型探讨无先兆偏头痛(患者睡眠障碍)的神经影像机制。方法:收集52名确诊为无先兆偏头痛的患者,根据匹兹堡睡眠质量指数将其分为偏头痛伴睡眠障碍组(MwSD)与偏头痛不伴睡眠障碍组(MwoSD),并同期招募40名年龄与性别相匹配的健康志愿者作为对照组。使用3.0 T MRI采集其T1WI和BOLD-fMRI图像,通过随机森林(RF)、逻辑回归(LR)、支持向量机(SVM)机器学习算法对其dALFF进行分析。结果:单因素方差分析(one-way ANOVA)显示3组受试者在左侧丘脑、右侧枕中回、左侧楔前叶dALFF有差异;两独立样本t检验显示MwSD组较MwoSD组左内侧和旁扣带回、左侧额中回dALFF值升高,右侧颞上回dALFF值下降;无监督学习模型中SVM性能较好,权重绝对值排名前三的脑区右侧枕中回、左侧楔前叶、左内侧和旁扣带回,均与视觉通路相关。结论:视觉通路相关脑区dALFF值可作为预测MwSD患者的神经影像学标志。展开更多
利用再生水进行农业、园林灌溉是解决水资源短缺的重要举措。定量评价再生水灌溉对作物产量和氮素利用效率(nitrogen use efficiency,NUE)的效应,以及影响机制,可为再生水灌溉应用提供理论依据。本文以清水灌溉为对照,采用Meta-analysis...利用再生水进行农业、园林灌溉是解决水资源短缺的重要举措。定量评价再生水灌溉对作物产量和氮素利用效率(nitrogen use efficiency,NUE)的效应,以及影响机制,可为再生水灌溉应用提供理论依据。本文以清水灌溉为对照,采用Meta-analysis(整合分析)定量研究了不同水质、土壤和管理因素条件下,再生水灌溉对作物产量和氮素利用效率的影响。结果表明:与清水灌溉相比,再生水灌溉显著提高了作物产量16.8%(CI:12.6%~21.1%,P<0.001)和氮素利用效率16.2%(CI:9.5%~23.4%,P<0.001),但其效应高度依赖于水质、土壤和管理因素;在土壤初始含氮量介于200~2000 mg/kg,再生水pH<7,或再生水含氮量<100 mg/L条件下,有利于发挥再生水灌溉增产效应和提高氮素利用效率;采用滴灌系统,施氮肥<1000 kg/ha进行充分灌溉是较为合适的管理策略。展开更多
目的:运用Meta分析方法综合定量评价短足训练对扁平足患者足踝功能的影响,为扁平足患者更有效地进行训练提供理论依据。方法:检索Web of Science、The Cochrane Library、PubMed、Embase、CNKI数据库、维普数据库、中国生物医学文献数...目的:运用Meta分析方法综合定量评价短足训练对扁平足患者足踝功能的影响,为扁平足患者更有效地进行训练提供理论依据。方法:检索Web of Science、The Cochrane Library、PubMed、Embase、CNKI数据库、维普数据库、中国生物医学文献数据库等中外文献数据库。检索文献时限为各数据库建库至2022-01-31。中文数据库检索词与检索式:(扁平足OR外翻足OR硬足)AND(短足训练OR物理治疗);英文数据库检索词与检索式(flat foot OR talipes valgus OR talipes calcaneovalgus)AND(short foot exercises OR physical therapy OR neurophysiotherapy)。选用Cochrane偏倚风险评估工具对纳入文献进行质量评价,运用Revman 5.4和Stata 12.0软件对所有纳入文献的足舟下降高度、足姿指数进行分析。结果:共纳入12篇文献,443名受试者。5篇为中度偏倚风险文献、7篇为低度偏倚风险文献。短足训练具有降低足舟下降高度的效果(SMD=-0.59,P<0.05)。受试者年龄(回归系数:-1.5639,P=0.004)、体质量指数(回归系数:-1.5639,P=0.023)和干预时间(回归系数:-1.4456,P=0.042)影响了纳入文献的整体效应。从效应量上来看,短足训练对足姿指数的干预有效果,但差异无显著性意义(SMD=-0.26,P>0.05)。结论:短足训练可以有效降低扁平足患者的足舟下降高度,对足姿指数的影响尚不明确。年龄、体质量指数和干预时间是影响短足训练干预效果的因素,是展开相关研究和组织扁平足患者康复训练需要考虑的因素。推荐扁平足患者选择短足训练作为训练手段。展开更多
Since December 2022,with the announcement of the 20 measures and the 10 new measures to guide national pandemic prevention and control,there has been a nationwide loosening policy on Covid control,which means that fro...Since December 2022,with the announcement of the 20 measures and the 10 new measures to guide national pandemic prevention and control,there has been a nationwide loosening policy on Covid control,which means that from 2023,the consumption era after three years of Covid prevention and control will inevitably enter the post-pandemic consumption era.In the post-pandemic era,therefore,it is wondered what characteristics and trends will the consumption of the cosmetic industry show,and this article will express personal predictions and analysis on these two issues.展开更多
The novel coronavirus pneumonia is coming to an end,and then comes the boiling summer season.Sunscreen products will soon become one of the essential products for consumers.In recent years,the demand for sunscreen is ...The novel coronavirus pneumonia is coming to an end,and then comes the boiling summer season.Sunscreen products will soon become one of the essential products for consumers.In recent years,the demand for sunscreen is increasing,since people are gradually aware of the harm of ultraviolet to human skin.Sunscreen products realize their function mainly through inorganic and organic active ingredients,in order to prevent sunburn,light aging,and suntans.Due to the above sunscreen performances and skin-beautifying functions,sunscreen products are increasingly popular in the market.They are becoming one of the fastest growing categories in the cosmetics market.It is estimated that the global sunscreen market will expand to US$11.569 billion by 2020.展开更多
Since the beginning of 2018, a number of domestic brands claim their ambition to enter the department store channel. Yet without enough preparation of understanding the feature and cruel fact of Chinese department sto...Since the beginning of 2018, a number of domestic brands claim their ambition to enter the department store channel. Yet without enough preparation of understanding the feature and cruel fact of Chinese department store channel, it is liable to cause many national cosmetic brands to fail. Chinese national brands need to prepare in terms of both thinking and resource in order to succeed in expanding the department store channel in China.展开更多
In recent years,multiple online cosmetics brands have emerged in Chinese market,which are popular among young customers especially those of generation Z.For example,HFP,Perfect Diary,Florasis,Judydoll,Zeesea,Meikangfe...In recent years,multiple online cosmetics brands have emerged in Chinese market,which are popular among young customers especially those of generation Z.For example,HFP,Perfect Diary,Florasis,Judydoll,Zeesea,Meikangfendia,HEDONE and Geoskincare.It is found that except for HFP and Geoskincare,the rest are makeup brands.According to cases of investment in Chinese cosmetics industry,the makeup enterprises and brands are preferred;the funds invested in makeup brands are much higher than those in skincare and other brands.In particular,Perfect Diary has been the flavor of investment banks.展开更多
At the outset of 2020,an infectious disease called COVID-19 shocked China in a very short time.As for thousands of insiders in China’s cosmetics industry,it must be an unforgettable beginning when quarantine was ever...At the outset of 2020,an infectious disease called COVID-19 shocked China in a very short time.As for thousands of insiders in China’s cosmetics industry,it must be an unforgettable beginning when quarantine was everywhere,along with the shut-down of shops,stagnation of transportation and logistics,as well as the increasing depletion of cash flow.It put the entire Chinese cosmetics industry into danger.In terms of the Chinese stock market,it opened as a“meltdown”on February 3rd.All listed cosmetics companies hit“limit down”just like 3,000 stocks countrywide.That how the capital market and shareholders reacted this time.A larger number of insiders were thinking in calmness.What kind of effect and change will this disease bring to cosmetics industry?Will online channel become the major channel for consumers purchasing cosmetics?How will online bricks-andmortar channels entice consumers to keep buying?Will the rapid growth of foreign-invested cosmetics brands be terminated?Will the market share of domestic cosmetics brands expand?There are also other questions to be proposed.展开更多
In recent years,the development of China cosmetics industry has been tough.Many agents and insiders have been shifting to other industries after meeting with such difficulties.However,NBS released the latest retail da...In recent years,the development of China cosmetics industry has been tough.Many agents and insiders have been shifting to other industries after meeting with such difficulties.However,NBS released the latest retail data on January 20,2020 that the retail sales of consumer goods totaled 41,664.9 billion yuan,a nominal increase of 8.0%than the previous year.The retail of cosmetics totaled 299.2 billion yuan,a rise of 12.6%year on year.On one hand,the growth of cosmetics products has been kept at two-digits which exceeds the growth of GDP.On the other hand,insiders and the retail terminals are sighing their discontent.What are the problems on earth?What trend will the Chinese cosmetics industry be like in 2020?How can those brands respond to that?展开更多
Since the reform and opening-up in 1980s,China’s baby and children cosmetics industry has been budding.A historical event,the birth of Yumeijing moisture cream for children in 1980,marks the seeds of the industry.The...Since the reform and opening-up in 1980s,China’s baby and children cosmetics industry has been budding.A historical event,the birth of Yumeijing moisture cream for children in 1980,marks the seeds of the industry.The brand also emerges as a pioneer in the local baby and children cosmetics industry.Up until the early 1990s,as people become more willing to spend,China’s baby and children cosmetics industry began toflourish.A marker is JOHNSON&JOHNSON’s inroad into Chinese market.Throughout the entire 1990s,child care brands led by JOHNSON&JOHNSON were advertising the importance of skin care for babies and children.展开更多
文摘目的:采用动态低频振幅技术(dALFF)结合监督学习模型探讨无先兆偏头痛(患者睡眠障碍)的神经影像机制。方法:收集52名确诊为无先兆偏头痛的患者,根据匹兹堡睡眠质量指数将其分为偏头痛伴睡眠障碍组(MwSD)与偏头痛不伴睡眠障碍组(MwoSD),并同期招募40名年龄与性别相匹配的健康志愿者作为对照组。使用3.0 T MRI采集其T1WI和BOLD-fMRI图像,通过随机森林(RF)、逻辑回归(LR)、支持向量机(SVM)机器学习算法对其dALFF进行分析。结果:单因素方差分析(one-way ANOVA)显示3组受试者在左侧丘脑、右侧枕中回、左侧楔前叶dALFF有差异;两独立样本t检验显示MwSD组较MwoSD组左内侧和旁扣带回、左侧额中回dALFF值升高,右侧颞上回dALFF值下降;无监督学习模型中SVM性能较好,权重绝对值排名前三的脑区右侧枕中回、左侧楔前叶、左内侧和旁扣带回,均与视觉通路相关。结论:视觉通路相关脑区dALFF值可作为预测MwSD患者的神经影像学标志。
文摘目的:运用Meta分析方法综合定量评价短足训练对扁平足患者足踝功能的影响,为扁平足患者更有效地进行训练提供理论依据。方法:检索Web of Science、The Cochrane Library、PubMed、Embase、CNKI数据库、维普数据库、中国生物医学文献数据库等中外文献数据库。检索文献时限为各数据库建库至2022-01-31。中文数据库检索词与检索式:(扁平足OR外翻足OR硬足)AND(短足训练OR物理治疗);英文数据库检索词与检索式(flat foot OR talipes valgus OR talipes calcaneovalgus)AND(short foot exercises OR physical therapy OR neurophysiotherapy)。选用Cochrane偏倚风险评估工具对纳入文献进行质量评价,运用Revman 5.4和Stata 12.0软件对所有纳入文献的足舟下降高度、足姿指数进行分析。结果:共纳入12篇文献,443名受试者。5篇为中度偏倚风险文献、7篇为低度偏倚风险文献。短足训练具有降低足舟下降高度的效果(SMD=-0.59,P<0.05)。受试者年龄(回归系数:-1.5639,P=0.004)、体质量指数(回归系数:-1.5639,P=0.023)和干预时间(回归系数:-1.4456,P=0.042)影响了纳入文献的整体效应。从效应量上来看,短足训练对足姿指数的干预有效果,但差异无显著性意义(SMD=-0.26,P>0.05)。结论:短足训练可以有效降低扁平足患者的足舟下降高度,对足姿指数的影响尚不明确。年龄、体质量指数和干预时间是影响短足训练干预效果的因素,是展开相关研究和组织扁平足患者康复训练需要考虑的因素。推荐扁平足患者选择短足训练作为训练手段。
文摘Since December 2022,with the announcement of the 20 measures and the 10 new measures to guide national pandemic prevention and control,there has been a nationwide loosening policy on Covid control,which means that from 2023,the consumption era after three years of Covid prevention and control will inevitably enter the post-pandemic consumption era.In the post-pandemic era,therefore,it is wondered what characteristics and trends will the consumption of the cosmetic industry show,and this article will express personal predictions and analysis on these two issues.
文摘The novel coronavirus pneumonia is coming to an end,and then comes the boiling summer season.Sunscreen products will soon become one of the essential products for consumers.In recent years,the demand for sunscreen is increasing,since people are gradually aware of the harm of ultraviolet to human skin.Sunscreen products realize their function mainly through inorganic and organic active ingredients,in order to prevent sunburn,light aging,and suntans.Due to the above sunscreen performances and skin-beautifying functions,sunscreen products are increasingly popular in the market.They are becoming one of the fastest growing categories in the cosmetics market.It is estimated that the global sunscreen market will expand to US$11.569 billion by 2020.
文摘Since the beginning of 2018, a number of domestic brands claim their ambition to enter the department store channel. Yet without enough preparation of understanding the feature and cruel fact of Chinese department store channel, it is liable to cause many national cosmetic brands to fail. Chinese national brands need to prepare in terms of both thinking and resource in order to succeed in expanding the department store channel in China.
文摘In recent years,multiple online cosmetics brands have emerged in Chinese market,which are popular among young customers especially those of generation Z.For example,HFP,Perfect Diary,Florasis,Judydoll,Zeesea,Meikangfendia,HEDONE and Geoskincare.It is found that except for HFP and Geoskincare,the rest are makeup brands.According to cases of investment in Chinese cosmetics industry,the makeup enterprises and brands are preferred;the funds invested in makeup brands are much higher than those in skincare and other brands.In particular,Perfect Diary has been the flavor of investment banks.
文摘At the outset of 2020,an infectious disease called COVID-19 shocked China in a very short time.As for thousands of insiders in China’s cosmetics industry,it must be an unforgettable beginning when quarantine was everywhere,along with the shut-down of shops,stagnation of transportation and logistics,as well as the increasing depletion of cash flow.It put the entire Chinese cosmetics industry into danger.In terms of the Chinese stock market,it opened as a“meltdown”on February 3rd.All listed cosmetics companies hit“limit down”just like 3,000 stocks countrywide.That how the capital market and shareholders reacted this time.A larger number of insiders were thinking in calmness.What kind of effect and change will this disease bring to cosmetics industry?Will online channel become the major channel for consumers purchasing cosmetics?How will online bricks-andmortar channels entice consumers to keep buying?Will the rapid growth of foreign-invested cosmetics brands be terminated?Will the market share of domestic cosmetics brands expand?There are also other questions to be proposed.
文摘In recent years,the development of China cosmetics industry has been tough.Many agents and insiders have been shifting to other industries after meeting with such difficulties.However,NBS released the latest retail data on January 20,2020 that the retail sales of consumer goods totaled 41,664.9 billion yuan,a nominal increase of 8.0%than the previous year.The retail of cosmetics totaled 299.2 billion yuan,a rise of 12.6%year on year.On one hand,the growth of cosmetics products has been kept at two-digits which exceeds the growth of GDP.On the other hand,insiders and the retail terminals are sighing their discontent.What are the problems on earth?What trend will the Chinese cosmetics industry be like in 2020?How can those brands respond to that?
文摘Since the reform and opening-up in 1980s,China’s baby and children cosmetics industry has been budding.A historical event,the birth of Yumeijing moisture cream for children in 1980,marks the seeds of the industry.The brand also emerges as a pioneer in the local baby and children cosmetics industry.Up until the early 1990s,as people become more willing to spend,China’s baby and children cosmetics industry began toflourish.A marker is JOHNSON&JOHNSON’s inroad into Chinese market.Throughout the entire 1990s,child care brands led by JOHNSON&JOHNSON were advertising the importance of skin care for babies and children.
