期刊文献+
共找到10篇文章
< 1 >
每页显示 20 50 100
Dancing Ping-Pong Promotes Global Collaboration——At the Sports Economy and International Regional Cooperation Forum for the Belt and Road Initiative in 2018
1
作者 Li Houqiang Chen Youbin 《Contemporary Social Sciences》 2018年第5期1-8,共8页
Sichuan is the strongest province in western China, and Chengdu is the first stop of the Silk Road and the Yangtze River Economic Zone. Qingbaijiang,the inception point of the Chengdu-Europe express railway, is an imp... Sichuan is the strongest province in western China, and Chengdu is the first stop of the Silk Road and the Yangtze River Economic Zone. Qingbaijiang,the inception point of the Chengdu-Europe express railway, is an important source of artifacts from the ancient Sichuan civilization, and Sichuan province, the land of abundance, is the cradle and base of ping-pong. Chengdu has been connected to 展开更多
关键词 In At the Sports Economy and International regional Cooperation Forum for the Belt and Road Initiative in 2018 Dancing Ping-Pong Promotes Global Collaboration
下载PDF
The East Asia regional meeting of International Program on rice biotechnology was held in CNRRI
2
作者 LIN Ronghui,CNRRI 《Chinese Rice Research Newsletter》 1996年第4期12-12,共1页
Supported by the Rockefeller Foundation, the East Asia regional meeting of the international program on rice biotechnology was held in CNRRI Nov 5—8 1996. About 76 delegates from home and abroad attended the meeting ... Supported by the Rockefeller Foundation, the East Asia regional meeting of the international program on rice biotechnology was held in CNRRI Nov 5—8 1996. About 76 delegates from home and abroad attended the meeting and more than 80 papers were presented or posted. The objective of the meeting was to review the status of rice biotechnology since 1995 and to promote the international collaborative activities. The topic involved anther culture, gene isolation and characterization, transfer and expression of foreign genes, etc. 展开更多
关键词 Asia The East Asia regional meeting of International Program on rice biotechnology was held in CNRRI
下载PDF
First record of Biecheleria cincta (Dinophyceae) from Chinese coasts, with morphological and molecular characterization of the strains 被引量:4
3
作者 罗肇河 杨维东 +1 位作者 徐斌 顾海峰 《Chinese Journal of Oceanology and Limnology》 SCIE CAS CSCD 2013年第4期835-845,共11页
The presence ofBiecheleria cincta (=Woloszynskia cincta) in the Chinese coasts is reported for the first time. In scanning electron microscope, three to five series of vesicles and an elongated apical vesicle (EAV... The presence ofBiecheleria cincta (=Woloszynskia cincta) in the Chinese coasts is reported for the first time. In scanning electron microscope, three to five series of vesicles and an elongated apical vesicle (EAV) were visible in the epicone, and both the hypocone and the cingulum had three series of vesicles each. Thin sections revealed that B. cincta possesses stalked pyrenoids and an unusual eyespot consisting of a stack of cistemae with brick-like materials (type E), thus supporting its transfer from Woloszynskia to Biecheleria. Spiny cysts formed spontaneously in culture, with an encystment rate of around 20%. Both large subunit ribosomal DNA (LSU rDNA) and internal transcribed spacer region (ITS) sequences in 12 strains from the Chinese coasts were determined. Phylogenetic analyses based on LSU rDNA and ITS sequences using Bayesian inference and maximum likelihood revealed two distinct ribotypes (referred to as ribotype A and B) in B. cincta. ITS region pairwise distances within B. eincta ranged from 0.024 to 0.072, suggesting the existence of a complex of cryptic species. 展开更多
关键词 Biecheleria CYST internal transcribed spacer region (ITS) type E eyespot ULTRASTRUCTURE Woloszynskia cincta
下载PDF
Molecular phylogenetic analyses based on the complete plastid genomes and nuclear sequences reveal Daphne(Thymelaeaceae)to be non-monophyletic as current circumscription 被引量:2
4
作者 Shiou Yih Lee Ke-Wang Xu +4 位作者 Cui-Ying Huang Jung-Hyun Lee Wen-Bo Liao Yong-Hong Zhang Qiang Fan 《Plant Diversity》 SCIE CAS CSCD 2022年第3期279-289,共11页
The diverse members of the genus Daphne are prized for their fragrant flowers.Despite being promising ornamental plants in many countries,genetic information of Daphne is scarce.In this study,the plastomes of four spe... The diverse members of the genus Daphne are prized for their fragrant flowers.Despite being promising ornamental plants in many countries,genetic information of Daphne is scarce.In this study,the plastomes of four species and one variety of Daphne were sequenced and analyzed.The plastomes were typical and contained a pair of inverted repeat(IR)regions that separated the large single-copy(LSC)region from the small single-copy(SSC)region.With a length ranging from 132,869 bp(D.genkwa)to 174,773 bp(D.championii),106 to 141 genes were predicted.Comparative plastome analysis of the newly sequenced plastomes with four publicly available Daphne plastomes identified an expansion of the IRs,sequence variations,and mutational hotspots.Phylogenetic analyses indicated that the genus Daphne in its current circumscription is polyphyletic.Daphne genkwa was nested within the genus Wikstroemia,while D.championii was well resolved as sister to Edgeworthia.These findings concurred with results from our study that used nuclear ribosomal internal transcribed spacer sequence data.The conflicts on the molecular placement of D.championii and D.genkwa and the present taxonomic classification in Daphne suggest that a new intergeneric classification system of Daphneae warrants consideration. 展开更多
关键词 Daphneae Comparative plastome analysis internal transcribed spacer region Polyphyletic relationship Wikstroemia
下载PDF
Objectifying Research on Special Region Corresponding to Five Internal Organs in Colour Inspections of Chinese Medicine
5
作者 郑冬梅 戴振东 王鸿谟 《Chinese Journal of Integrative Medicine》 SCIE CAS 2014年第10期737-742,共6页
Objective:To study the differences in a special region(SR) corresponding to five internal organs between the young and the elderly and to verify the effectiveness of a developed system for objectifying research in ... Objective:To study the differences in a special region(SR) corresponding to five internal organs between the young and the elderly and to verify the effectiveness of a developed system for objectifying research in colour inspections of Chinese medicine(CICM).Methods:An image acquisition device imitating daylight to meet the requirement of CICM was designed.Image processing software based on CICM theory was developed.A total of 83 normal people were sampled and assigned to two groups.The first group(Group I)included 30 people with an average age of 24 ±2,and the second group(Group Ⅱ) included 53 people with an average age of 74 ±4.After image processing,the chromaticity of 10 SRs corresponding to five internal organs was calculated.R,G,and B represent the chromaticity of color red,green,and blue,L indicates color brightness,whereas a and b denote red and yellow respectively.The difference between the young and the elderly was analyzed.Results:(1) The chromaticity of each SR corresponding to five organs was obtained.The average R,G,B,L,a,and b of the sample were 194.4,147.6,119.3,65.2,15.5,and 22.3,respectively.(2) The R,G,B,and L of the young were greater than those of the elderly,but the a and b of the young were less than those of the elderly.(3) A statistically significant difference in each SR was found between the young and the elderly(P0.05).The total differences for the Lung(Fei),Heart(Xin),Liver(Gan),Spleen(Pi),and Kidney(Shen) were 50%(3/6),66.7%(4/6),66.7%(4/6),83.3%(5/6),and 91.7%(33/36),respectively.However,the Kidney SR had the greatest statistical discrepancy.Conclusion:The old Chinese saying that human Kidney deficiency worsens with age was verified by the results.The objectifying system used to examine CICM was effective.Thus,this system may be used as a basis for further research. 展开更多
关键词 colour inspection of Chinese medicine special region corresponding to five internal organs chromaticity Chinese medicine objectifying research
原文传递
The Status Quo and Policy to Develop International Logistics Aiming at Southeast Asia in Yunnan Province
6
作者 Jie Xu Songdong Ju Yana Chen 《Chinese Business Review》 2005年第1期6-12,共7页
This article focuses on the regional advantages to develop international logistics aiming at Southeast Asia in Yunnan province and intends to prove that it's of great significance to develop this kind of internationa... This article focuses on the regional advantages to develop international logistics aiming at Southeast Asia in Yunnan province and intends to prove that it's of great significance to develop this kind of international logistics. Further, it analyzes the status quo, market demand and problems existing in Yunnan's international logistics and puts forward proposals as how to develop international logistics aiming at Southeast Asia in Yunnan province. 展开更多
关键词 Southeast Asia China-ASEAN free-trade area international logistics logistics demand regional logistics
下载PDF
Molecular identification of some wild medicinal macrofungi from Northern Iran
7
作者 Alimadadi N Pourianfar HR +3 位作者 Amoozegar MA Zabihi SS Mahdizadeh V Shahzadeh Fazeli SA 《Studies in Fungi》 2019年第1期26-36,共11页
In last decades,macrofungi have attracted increasing attention because of their valuable nutritional and medicinal properties.In this study,a total of 180 macrofungal samples were collected from forests in Mazandaran ... In last decades,macrofungi have attracted increasing attention because of their valuable nutritional and medicinal properties.In this study,a total of 180 macrofungal samples were collected from forests in Mazandaran province,Iran.The dominant orders were Polyporales(51%)and Agaricales(35%).Pure mycelial cultures were successfully obtained from 91 collected samples.Regarding morphological data,47 isolates were selected for molecular identification based on internal transcribed spacer region(ITS)sequence analysis.The results showed that the 38 macrofungal isolates were belonging to 22 species,19 genera,10 families and 5 orders.Most of the macrofungi(47%)were identified as Trametes species and Ganoderma species.Three isolates identified as Hohenbuehelia species,Polyporellus brumalis and Ceriporia lacerata were records as a new to the Iran fungal flora.This study increases the knowledge on Iranian macrofungal diversity and facilitates future genetic and biotechnological investigations on these macrofungi. 展开更多
关键词 internal transcribed spacer region Iran MACROFUNGI Mazandaran province
下载PDF
On the “International Law-Based International Order”
8
作者 Cai Congyan Li Cunna 《Social Sciences in China》 2023年第3期20-38,共19页
In recent years,some countries have advocated a“rules-based international order.”However,they have not explicitly defined the“rules”here as“international law”and thereupon elaborated on their view of the rules f... In recent years,some countries have advocated a“rules-based international order.”However,they have not explicitly defined the“rules”here as“international law”and thereupon elaborated on their view of the rules for the international order.In fact,a series of legal practices implemented by these countries indicate that what they pursue is largely a view of rules that prioritizes domestic law over international law and regional international law over universal international law,and that politicizes international law.This view of rules undermines the role of international law in the international order and violates the requirements of the times for improving global governance and promoting the establishment of a more just and reasonable international order.To correct the view of rules pursued by these countries through the advocacy of a“rules-based international order,”China proposes an“international law-based international order.”The view of rules embodied in the“international law-based international order”recognizes that international law based and centered on the UN Charter is the authoritative system of rules governing international relations,while not excluding the role in the international order of other rules that do not violate international law. 展开更多
关键词 international law-based international order rules-based international order domestic law regional international law politicization of international law
原文传递
Relationship between DNA Barcoding and Chemical Classification of Salvia Medicinal Herbs 被引量:23
9
作者 HAN Jian-ping1,LIU Chang2,LI Min-hui1,3,SHI Lin-chun1,SONG Jing-yuan1,YAO Hui1,PANG Xiao-hui1,CHEN Shi-lin1,4 1.Institute of Medicinal Plant Development,Chinese Academy of Medical Sciences,Beijing 100193,China 2.Molecular Chinese Medicine Laboratory,LKS Faculty of Medicine,The University of Hong Kong,Hong Kong,China 3.Baotou Medical College,Baotou 014040,China 4.Hubei University of Chinese Medicine,Wuhan 430065,China 《Chinese Herbal Medicines》 CAS 2010年第1期16-29,83,共15页
Objective To make the identification of medicinal herbs in Salvia L.quickly and accurately.Methods In this work,DNA barcoding and chemical fingerprint were compared for the identification of herbs in Salvia L.First,th... Objective To make the identification of medicinal herbs in Salvia L.quickly and accurately.Methods In this work,DNA barcoding and chemical fingerprint were compared for the identification of herbs in Salvia L.First,the nucleotide sequences of the internal transcribed spacer region two amplified from 48 medicinal plants in Salvia L.,and three other groups of medicinal plants in Lamiaceae were sequenced.A molecular phylogeny was constructed using the minimum evolution and maximum parsimony methods according to their sequence diversity.Second,the water-solution bioactive components and lipid soluble components were tested by HPLC.Then a chemical phylogeny was built using HPLC fingerprint data.Comparing the molecular and chemical phylogenetic trees revealed many similarities.Results DNA barcoding was sequencing based and could therefore provide more accurate results within a shorter time especially in large-scale studies.Conclusion The results show that ITS2 region is a novel DNA barcode for the authentication of the species in Salvia L.This is the first work to show the relationship between DNA barcoding and chemical components. 展开更多
关键词 AUTHENTICATION DNA barcoding HPLC fingerprint internal transcribed spacer region 2 quality control Salvia L.
原文传递
Environmental barcoding of the ectomycorrhizal fungal genus Cortinarius 被引量:1
10
作者 Suliana E.Teasdale Anne K.Beulke +1 位作者 Paul L.Guy David A.Orlovich 《Fungal Diversity》 SCIE 2013年第1期299-310,共12页
Understanding the role of ectomycorrhizal fungi in plant communities is hampered by a lack of knowledge about fungal diversity.DNA barcoding of the ectomycorrhizal fungal genus Cortinarius was used to compare fungal d... Understanding the role of ectomycorrhizal fungi in plant communities is hampered by a lack of knowledge about fungal diversity.DNA barcoding of the ectomycorrhizal fungal genus Cortinarius was used to compare fungal diversity in soil from four plant communities:(i)Nothofagus forest(where Cortinarius is common and diverse),(ii)Kunzea forest(where Cortinarius is present but with low diversity),(iii)a Pinus radiata plantation(Cortinarius is not thought to be present)and(iv)a sub-Antarctic island(where known ectomycorrhizal hosts are absent).PCR primers specific for the ITS region of Cortinarius species were developed.Specificity was tested in vitro and in silico against DNA from basidiocarps of Cortinarius and non-Cortinarius species.The primers were tested for their ability to amplify Cortinarius DNA in soil from forests of the three ectomycorrhizal forest communities and a range of soils from the ectomycorrhiza-free subantarctic Campbell Island.High diversity of Cortinarius was associated with soil of all three ectomycorrhizal communities,despite Cortinarius being previously unrecorded from Pinus.Soil from all three communities share some ectomycorrhizal fungi(including fungi shared between native and exotic hosts),having implications for community succession,introduction of exotic fungi and biodiversity assessment.No Cortinarius was detected from Campbell Island samples.The validated molecular protocol assessed species diversity in a rapid and cost effective way.Baseline biodiversity assessment based on DNA barcoding is more effective at detecting diversity than traditional methods,but requires careful consideration of the difference between ectomycorrhizal fungal diversity in soil versus root-tips. 展开更多
关键词 CORTINARIUS internal transcribed spacer region Ectomycorrhizal ecology Environmental DNA BARCODING Taxon-specific primers
原文传递
上一页 1 下一页 到第
使用帮助 返回顶部