Yunnan is not only the center of tea origination but also the center of tea evolution and variation.There is a broad distribution of Sect.Thea（L.） Dyer in Yunnan.This paper concerns the research progress of Sect.The...Yunnan is not only the center of tea origination but also the center of tea evolution and variation.There is a broad distribution of Sect.Thea（L.） Dyer in Yunnan.This paper concerns the research progress of Sect.Thea（L.） Dyer,reveals the distribution of Sect.Thea（L.） Dyer in Yunnan,and checks out the number and name of Sect.Thea（L.） Dyer in Yunnan,which will offer references for further study and application of tea plants.展开更多
Vicia amirensis has pollen grain with swollen mesocipium, terete style, abaxially sprouting stylar hairs and globes stigma, differing from other five species,V. amoena, V. japonica, V. pseudo-orbus, V. ramuliflora, V....Vicia amirensis has pollen grain with swollen mesocipium, terete style, abaxially sprouting stylar hairs and globes stigma, differing from other five species,V. amoena, V. japonica, V. pseudo-orbus, V. ramuliflora, V. unijuga andV. venosa, in sect.Vicilla of Kupicha’s System. This result further support taxonomic treatmentV. amurensis proposed by Endo and Ohash. The chromosome numbers of 64 populations and karyotypes of 15 populations for sect.Vicilla and sect.Amurense were observed.V. amurensis andV. psendo-orbus have similar karyotype features such as the same karyotype symmetry, comparable chromosome size and the same type, of Sat-chromosomes, and thereforeV. amurensis in seet.Amurense is assumed to be closely related toV. japonica in sect.Vicilla. The primary study of nuclear DNA amount was carried out on nine populations of six taxa in sect.Vicilla in China. It is primarily discussed that evolutionary trend of karyotype, nuclear DNA amount in sect.Vicilla and geographic distribution of different ploidy cytotypes.展开更多
To the Editor:Abeleda et al.[1]recently argued in a perspective article that the Philippines should do better in order to achieve its goal of reducing schistosomiasis incidence to zero in humans,animals,and snails by ...To the Editor:Abeleda et al.[1]recently argued in a perspective article that the Philippines should do better in order to achieve its goal of reducing schistosomiasis incidence to zero in humans,animals,and snails by 2025[2,3].The authors appropriately ascribed the need to ramp up surveillance,WASH(water,sanitation,and hygiene),and veterinary efforts.In this letter,I would like to add to the discussion that the key to achieving schistosomiasis elimination may be strengthening the veterinary public health sector and framing mitigation efforts within the One Health lens.Schistosoma(S.)japonicum infection is a zoonotic disease and it affects more than 40 species of animals,including livestock animals like cattle,pigs,and water buffaloes,and pets like dogs[4].In the Philippines,the prevalence of infection in animal reservoirs remains largely unknown in most endemic areas due to the lack of concerted epidemiological efforts unlike what is being done in human hosts.In areas where studies have been done,infection rates are from less than 10%to 97%in water buffaloes tested[5-7].Indeed,as Abeleda et al.[1]argued,there is a need to do better on this front.展开更多
The circumscriptions of sections Auganthus Pax ex Balf. f. and Ranunculoides Chen et C. M. Hu in the genus Primula L. have been controversial, due to the different treatments of P. filchnerae Knuth. W...The circumscriptions of sections Auganthus Pax ex Balf. f. and Ranunculoides Chen et C. M. Hu in the genus Primula L. have been controversial, due to the different treatments of P. filchnerae Knuth. We conducted a phylogenetic analysis using sequences from the ITS region of nuclear ribosomal DNA. All five species of these two sections and some representatives of other related sections were sampled. The ITS trees show that P. filchnerae could be convincingly placed in sect. Auganthus , together with P. sinensis Sabine ex Lindl. and P. rupestris Balf. f. et Farrer, whereas sect. Ranunculoides contains two species: P. cicutariifolia Pax and P. merrilliana Schltr. These two sections are distantly related and their association with other sections needs further studies. This study also demonstrated that ITS sequences would be a suitable marker for the reconstruction of Primula phylogeny.展开更多
[Objective] To utilize the germplasm resources,new systematic evidence for the classification of sect.Paracamellia,genus Camellia is found in this article.[Method] Fruit anatomy of 10 species representing sect.Paracam...[Objective] To utilize the germplasm resources,new systematic evidence for the classification of sect.Paracamellia,genus Camellia is found in this article.[Method] Fruit anatomy of 10 species representing sect.Paracamellia was investigated.And the main component of sect.Paracamellia in the genus Camellia was studied by MVSP software.[Result] The exocarp was thin;mesocarp was broad,having a large number of stone cells;endocarp was lignified,and separated easily from seed.The principle components analysis suggested that the distance between species was far,showing far relation;the current study did not support the formation of Camellia grijsii（C.grijsii）and Camellia yuhsienensis（C.yuhsienensis）,Camellia shensiensis（C.shensiensis）should not be recognized as a variety of C.yuhsienensis.In addition,it also proved Ming＇s combining of Camellia confusa（C.confusa）and Camellia kissi（C.kissi）was unnatural.[Conclusion] The study provided theoretical basis for the development and application of sect.Paracamellia in the genus Camellia.展开更多
Editor's Note:As a unique system of succession in Tibetan Buddhism,the reincarnation of Living Buddhas is governed by standardized religious rituals,historical conventions,and established principles.Since the Karm...Editor's Note:As a unique system of succession in Tibetan Buddhism,the reincarnation of Living Buddhas is governed by standardized religious rituals,historical conventions,and established principles.Since the Karma Kagyu sect pioneered the reincarnation system of Living Buddhas in the 13th century,this tradition has continued for more than 700 years.Since the Gelug sect adopted the reincarnation practice in the 16th century,resulting in major lineages such as the Dalai Lama and Panchen Erdeni reincarnations,the system has now held a history of over 400 years.Since the Yuan Dynasty(1271-1368),successive central governments of China have,without exception,strengthened administration over reincarnation matters.In the 57th year of the reign of Emperor Qianlong(1792)of the Qing Dynasty,the Golden Urn Lot-Drawing System was formally established.This system has remained in place up to the present day.Demonstrating national sovereignty,governmental authority,as well as the sacredness and impartiality of Buddhism,it has effectively prevented corruption and malpractice during the reincarnation process.展开更多
电感储能型脉冲电源是目前电磁发射技术的研究热点,提升装置储能密度对于推动电感储能型脉冲电源的应用和研究具有重要意义。本文介绍了一种适用于电感储能型脉冲电源的名为meat grinder with SECT的新电路,并对该电路进行了详细的原理...电感储能型脉冲电源是目前电磁发射技术的研究热点,提升装置储能密度对于推动电感储能型脉冲电源的应用和研究具有重要意义。本文介绍了一种适用于电感储能型脉冲电源的名为meat grinder with SECT的新电路,并对该电路进行了详细的原理分析,指出该电路兼具电流关断能力强和拓扑结构简单的优点。通过仿真将meat grinder with SECT和STRETCH meat grinder、STRETCH meat grinder with ICCOS这两种主流电路进行了性能比较,发现meat grinder with SECT电路在保持电气性能不变的同时,成本最低,体积最小。基于meat grinder with SECT电路,本文研制了50k J电感储能型脉冲电源并进行了试验测试,测试结果达到了预期目标。展开更多
风靡九年的浸入式戏剧《不眠之夜》上海版,1月20日迎来驻演第2500场里程碑。截至目前,该项目累计吸引观众70万人次,总收入突破6亿元,票根经济综合撬动效应达1:6.8,创造至少40亿元周边衍生消费增量,在文旅、商业地产及品牌合作等维度累...风靡九年的浸入式戏剧《不眠之夜》上海版,1月20日迎来驻演第2500场里程碑。截至目前,该项目累计吸引观众70万人次,总收入突破6亿元,票根经济综合撬动效应达1:6.8,创造至少40亿元周边衍生消费增量,在文旅、商业地产及品牌合作等维度累计带动产业价值超100亿元,以亮眼数据成为上海沉浸式驻演内容供给与城市消费联动的标杆案例。依托稳定的高品质内容、专业的空间运营与创新的品牌营销,《不眠之夜》不断刷新着国内驻演项目的纪录:首轮万张门票曾在100小时内售罄,常态上座率长期高于85%,节假日更可达96%;观众复刷率高达30%,其中观演超5次的核心粉丝占8.2%,最高复刷纪录超过600场。它先后斩获全球主题娱乐最高奖THEA大奖,入选国家级“旅游演艺精品名录”与“上海十大文化品牌”。《不眠之夜》也为上海的文商旅融合提供了生动实践,消费“溢出效应”显著:超65%的观众会因观演增加旅游消费,串联起“观剧、住宿、餐饮、购物”的完整链条。“为一部戏,赴一座城”成为现实。2025年,其观众中超61.8%来自外省市及海外,这些游客在沪停留时间平均延长1至2天。演出有力地拉动了“夜间经济”。通过构建“引进与原创并举”的矩阵,文广演艺以“SEE YOU IN SHANGHAI”为平台,持续引入全球顶级IP,如正在洽谈的《剧院魅影》沉浸版,并原创孵化如“超沉浸制造局”等本土品牌;进一步打造“沉浸+演艺型零售”等新模型,持续为上海提升文化软实力、建设国际消费中心城市贡献“上海方案”。展开更多
Clematis sect. Atragene is revised in this paper based on the examination of a large number of herbarium specimens, extensive field observations, and morphometric analyses. Brief taxonomic history and geographical dis...Clematis sect. Atragene is revised in this paper based on the examination of a large number of herbarium specimens, extensive field observations, and morphometric analyses. Brief taxonomic history and geographical distribution of the section are given, the relationships among the species are discussed, and the evolutionary trends of some characters in the section are evaluated. The staminodes of the plants in this section may have evolved from the outer stamens with petaloid filaments and gradually disappearing anthers. Subsequently, they may have evolved in two different ways. One possibility is that the staminodes elongate and become lanceolate, as long as sepals, and their apices turn into attenuate. The other is that the staminodes are spathulate, but not elongating, as long as stamens, and their apices turn into retuse from obtuse and rounded. The evolutionary trend of sepals may be from thin to thick in texture, and the veins from non-prominent to prominent. As a result, five new series are established and nine species, two subspecies and nine varieties （including three new ranks） are recognized in this section. An identification key is provided, and each taxon is described and illustrated. Clematis sibirica and Clematis ochotensis are treated as subspecies of Clematis alpina due to their subtle differences and lack of, or few, overlapping distributions. Clematis fusijamana and Clematisfauriei are recognized as varieties of C. alpina ssp. ochotensis for the continuous variation of the velutinous strips on the sepal margins. Clematis iliensis is treated as variety of C. alpina ssp. sibirica for the continuous variation of leaf division types. Extensive variations in sepal color and basal caruncle size support degrading Clematis chiisanensis as a variety of Clematis koreana. The North American ser. Occientales may be primitive, whereas ser. Macropetalae may be the most advanced taxon in this section. Ser. Alpinae and ser. Koreanae are closely related to each other. However, the systematic position of ser. Tomentosae cannot be determined based on morphological characters alone in the present study.展开更多
基金Supported by Foundation of Tea Research Institute of Yunnan Acad-emy of Agricultural Science (2009A09-37)~~
文摘Yunnan is not only the center of tea origination but also the center of tea evolution and variation.There is a broad distribution of Sect.Thea（L.） Dyer in Yunnan.This paper concerns the research progress of Sect.Thea（L.） Dyer,reveals the distribution of Sect.Thea（L.） Dyer in Yunnan,and checks out the number and name of Sect.Thea（L.） Dyer in Yunnan,which will offer references for further study and application of tea plants.
文摘Vicia amirensis has pollen grain with swollen mesocipium, terete style, abaxially sprouting stylar hairs and globes stigma, differing from other five species,V. amoena, V. japonica, V. pseudo-orbus, V. ramuliflora, V. unijuga andV. venosa, in sect.Vicilla of Kupicha’s System. This result further support taxonomic treatmentV. amurensis proposed by Endo and Ohash. The chromosome numbers of 64 populations and karyotypes of 15 populations for sect.Vicilla and sect.Amurense were observed.V. amurensis andV. psendo-orbus have similar karyotype features such as the same karyotype symmetry, comparable chromosome size and the same type, of Sat-chromosomes, and thereforeV. amurensis in seet.Amurense is assumed to be closely related toV. japonica in sect.Vicilla. The primary study of nuclear DNA amount was carried out on nine populations of six taxa in sect.Vicilla in China. It is primarily discussed that evolutionary trend of karyotype, nuclear DNA amount in sect.Vicilla and geographic distribution of different ploidy cytotypes.
文摘To the Editor:Abeleda et al.[1]recently argued in a perspective article that the Philippines should do better in order to achieve its goal of reducing schistosomiasis incidence to zero in humans,animals,and snails by 2025[2,3].The authors appropriately ascribed the need to ramp up surveillance,WASH(water,sanitation,and hygiene),and veterinary efforts.In this letter,I would like to add to the discussion that the key to achieving schistosomiasis elimination may be strengthening the veterinary public health sector and framing mitigation efforts within the One Health lens.Schistosoma(S.)japonicum infection is a zoonotic disease and it affects more than 40 species of animals,including livestock animals like cattle,pigs,and water buffaloes,and pets like dogs[4].In the Philippines,the prevalence of infection in animal reservoirs remains largely unknown in most endemic areas due to the lack of concerted epidemiological efforts unlike what is being done in human hosts.In areas where studies have been done,infection rates are from less than 10%to 97%in water buffaloes tested[5-7].Indeed,as Abeleda et al.[1]argued,there is a need to do better on this front.
文摘The circumscriptions of sections Auganthus Pax ex Balf. f. and Ranunculoides Chen et C. M. Hu in the genus Primula L. have been controversial, due to the different treatments of P. filchnerae Knuth. We conducted a phylogenetic analysis using sequences from the ITS region of nuclear ribosomal DNA. All five species of these two sections and some representatives of other related sections were sampled. The ITS trees show that P. filchnerae could be convincingly placed in sect. Auganthus , together with P. sinensis Sabine ex Lindl. and P. rupestris Balf. f. et Farrer, whereas sect. Ranunculoides contains two species: P. cicutariifolia Pax and P. merrilliana Schltr. These two sections are distantly related and their association with other sections needs further studies. This study also demonstrated that ITS sequences would be a suitable marker for the reconstruction of Primula phylogeny.
基金Supported by General Program of Jinhua City Science and Technology Bureau(2009-2-020)~~
文摘[Objective] To utilize the germplasm resources,new systematic evidence for the classification of sect.Paracamellia,genus Camellia is found in this article.[Method] Fruit anatomy of 10 species representing sect.Paracamellia was investigated.And the main component of sect.Paracamellia in the genus Camellia was studied by MVSP software.[Result] The exocarp was thin;mesocarp was broad,having a large number of stone cells;endocarp was lignified,and separated easily from seed.The principle components analysis suggested that the distance between species was far,showing far relation;the current study did not support the formation of Camellia grijsii（C.grijsii）and Camellia yuhsienensis（C.yuhsienensis）,Camellia shensiensis（C.shensiensis）should not be recognized as a variety of C.yuhsienensis.In addition,it also proved Ming＇s combining of Camellia confusa（C.confusa）and Camellia kissi（C.kissi）was unnatural.[Conclusion] The study provided theoretical basis for the development and application of sect.Paracamellia in the genus Camellia.
文摘Editor's Note:As a unique system of succession in Tibetan Buddhism,the reincarnation of Living Buddhas is governed by standardized religious rituals,historical conventions,and established principles.Since the Karma Kagyu sect pioneered the reincarnation system of Living Buddhas in the 13th century,this tradition has continued for more than 700 years.Since the Gelug sect adopted the reincarnation practice in the 16th century,resulting in major lineages such as the Dalai Lama and Panchen Erdeni reincarnations,the system has now held a history of over 400 years.Since the Yuan Dynasty(1271-1368),successive central governments of China have,without exception,strengthened administration over reincarnation matters.In the 57th year of the reign of Emperor Qianlong(1792)of the Qing Dynasty,the Golden Urn Lot-Drawing System was formally established.This system has remained in place up to the present day.Demonstrating national sovereignty,governmental authority,as well as the sacredness and impartiality of Buddhism,it has effectively prevented corruption and malpractice during the reincarnation process.
文摘电感储能型脉冲电源是目前电磁发射技术的研究热点,提升装置储能密度对于推动电感储能型脉冲电源的应用和研究具有重要意义。本文介绍了一种适用于电感储能型脉冲电源的名为meat grinder with SECT的新电路,并对该电路进行了详细的原理分析,指出该电路兼具电流关断能力强和拓扑结构简单的优点。通过仿真将meat grinder with SECT和STRETCH meat grinder、STRETCH meat grinder with ICCOS这两种主流电路进行了性能比较,发现meat grinder with SECT电路在保持电气性能不变的同时,成本最低,体积最小。基于meat grinder with SECT电路,本文研制了50k J电感储能型脉冲电源并进行了试验测试,测试结果达到了预期目标。
文摘风靡九年的浸入式戏剧《不眠之夜》上海版,1月20日迎来驻演第2500场里程碑。截至目前,该项目累计吸引观众70万人次,总收入突破6亿元,票根经济综合撬动效应达1:6.8,创造至少40亿元周边衍生消费增量,在文旅、商业地产及品牌合作等维度累计带动产业价值超100亿元,以亮眼数据成为上海沉浸式驻演内容供给与城市消费联动的标杆案例。依托稳定的高品质内容、专业的空间运营与创新的品牌营销,《不眠之夜》不断刷新着国内驻演项目的纪录:首轮万张门票曾在100小时内售罄,常态上座率长期高于85%,节假日更可达96%;观众复刷率高达30%,其中观演超5次的核心粉丝占8.2%,最高复刷纪录超过600场。它先后斩获全球主题娱乐最高奖THEA大奖,入选国家级“旅游演艺精品名录”与“上海十大文化品牌”。《不眠之夜》也为上海的文商旅融合提供了生动实践,消费“溢出效应”显著:超65%的观众会因观演增加旅游消费,串联起“观剧、住宿、餐饮、购物”的完整链条。“为一部戏,赴一座城”成为现实。2025年,其观众中超61.8%来自外省市及海外,这些游客在沪停留时间平均延长1至2天。演出有力地拉动了“夜间经济”。通过构建“引进与原创并举”的矩阵,文广演艺以“SEE YOU IN SHANGHAI”为平台,持续引入全球顶级IP,如正在洽谈的《剧院魅影》沉浸版,并原创孵化如“超沉浸制造局”等本土品牌;进一步打造“沉浸+演艺型零售”等新模型,持续为上海提升文化软实力、建设国际消费中心城市贡献“上海方案”。
基金supported by the National Natural Science Foundation of China(Grant No.30870146).
文摘Clematis sect. Atragene is revised in this paper based on the examination of a large number of herbarium specimens, extensive field observations, and morphometric analyses. Brief taxonomic history and geographical distribution of the section are given, the relationships among the species are discussed, and the evolutionary trends of some characters in the section are evaluated. The staminodes of the plants in this section may have evolved from the outer stamens with petaloid filaments and gradually disappearing anthers. Subsequently, they may have evolved in two different ways. One possibility is that the staminodes elongate and become lanceolate, as long as sepals, and their apices turn into attenuate. The other is that the staminodes are spathulate, but not elongating, as long as stamens, and their apices turn into retuse from obtuse and rounded. The evolutionary trend of sepals may be from thin to thick in texture, and the veins from non-prominent to prominent. As a result, five new series are established and nine species, two subspecies and nine varieties （including three new ranks） are recognized in this section. An identification key is provided, and each taxon is described and illustrated. Clematis sibirica and Clematis ochotensis are treated as subspecies of Clematis alpina due to their subtle differences and lack of, or few, overlapping distributions. Clematis fusijamana and Clematisfauriei are recognized as varieties of C. alpina ssp. ochotensis for the continuous variation of the velutinous strips on the sepal margins. Clematis iliensis is treated as variety of C. alpina ssp. sibirica for the continuous variation of leaf division types. Extensive variations in sepal color and basal caruncle size support degrading Clematis chiisanensis as a variety of Clematis koreana. The North American ser. Occientales may be primitive, whereas ser. Macropetalae may be the most advanced taxon in this section. Ser. Alpinae and ser. Koreanae are closely related to each other. However, the systematic position of ser. Tomentosae cannot be determined based on morphological characters alone in the present study.
