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我国东北地区鼩鼱属物种的系统发生地位——基于线粒体COⅠ和16S rRNA分析
Published 2021-01-01“…鼩鼱属(Sorex)动物分布广泛且与人类接触密切,但其较难捕获导致其系统分化关系并不明确,因此利用线粒体COⅠ和16S rRNA对采集自东北地区的9个鼩鼱属物种,以及从GenBank上下载的8种鼩鼱属的COⅠ序列和13种鼩鼱属的16S rRNA序列进行系统分化分析,计算遗传距离并构建系统进化树,探讨我国东北地区鼩鼱属的系统分化和分类学问题,进而明确其在鼩鼱属的系统发生地位。…”
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3685
Les quais nos 1, 12 et 13 du port romain de Saint-Lupien à Rezé/Ratiatum (Loire-Atlantique)
Published 2020-12-01“…AD the riverbank of the Saint-Lupien district in Rezé/Ratiatum (Loire-Atlantique) was the object of an ambitious urban planning program that transformed it, subsequently emerging as a structured and monumental constructed space. The bank of the Loire was thus punctuated, and then divided into several construction modules built according to timber box construction guidelines and serving as docks. …”
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3686
L’agriculture itinérante sur brûlis, une menace sur la forêt tropicale humide ?
Published 2012-11-01“…(Kleinman et al. 1995).In the context of the announcement of the creation of the National Park of the South of French Guiana, an interdisciplinary program (ecology, pedobiology, ethnology; MNHN-CNRS-IRD) Effects of the traditional cultural practices on soils and forest (French Environment Ministry) studied the effects of the itinerant agriculture on slash-and-burn field from an analysis of the conditions which allow Amerindian communities to satisfy their material and spiritual needs in a forest system.This program set up the following points:– the fine practices of this agriculture, constituting a real strategy, supply efficiently the mineral elements in the cultures, without purchase of fertilizers, and ensure a rapid forest recovery after at least 10 years; the cycles short culture - long fallow allow the self regeneration of an agroforestry system registered since millenniums in the forest dynamics of the river banks;– the adoption of the long fallow limits the spatial extent of every family to 10-15 hectares at most;– the transportation on foot of the harvest towards the village limits the extent of the agriculture to a 3-4 km band from the river; beyond, the forest is protected from an agricultural pressure;– the absence of the market does not lead to an increase of the cultivated surfaces and the pressure on the forest is not increasing thus at present;– the forest of the hinterland includes wide zones restricted by strong social taboos; the conservation of the social organization of the Amerindian ethnic groups is the first condition of the preservation of the forest domain.The real solution for the preservation of the forest heritage in the South of French Guiana, obviously social, was thus already political, before the creation of the “Amazonian Park of Guyana” (2007).…”
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3687
Enhancing Food Security via selecting Superior Camelina (Camelina sativa L.) parents: a positive approach incorporating pheno-morphological traits, fatty acids composition, and Toc...
Published 2025-01-01“…Effectively meeting future agricultural demands requires comprehensive and efficient assessments of genetic diversity in breeding programs and germplasm from gene banks. This research investigated the diversity of pheno-morphological traits, along with the fatty acid and tocopherol content and composition, in 135 double haploid lines of camelina. …”
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3688
D型肉毒毒素灭鼠剂对棕背雪雀危害机理的试验研究
Published 2022-01-01“…结果显示:棕背雪雀对D型肉毒毒素的敏感性介于高原鼢鼠与青海田鼠之间,LD<sub>50</sub>为2.71万~3.16万MLD/kg(95%可信限为1.69万~4.88万MLD/kg); 大白鼠胃肠内容物对D型肉毒毒素的破坏强度明显高于高原鼠兔及棕背雪雀; 在基因编码区序列推导的氨基酸序列水平上,棕背雪雀体内的VAMP1氨基酸序列(GenBank No.GQ905710)与昆明系小鼠完全相同,VAMP1氨基酸序列在第48号氨基酸位点(为48M型,而非48Ⅰ型)属于D型肉毒毒素敏感型氨基酸,表明棕背雪雀对D型肉毒毒素具有一定的敏感性,在现地鼠害防治中应精准控制鼠药投放剂量,建议采取药物警戒色趋避鸟类食毒饵。…”
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Compound identification of Shuangxinfang and its potential mechanisms in the treatment of myocardial infarction with depression: insights from LC-MS/MS and bioinformatic prediction
Published 2025-01-01“…Then the targets of PCF compounds were searched on Swiss target database, and the targets of depression and MI were predicted on TTD, OMIM, GeneCards, DrugBank and PharmGkb database. All the targets were intersected to construct the Protein-Protein Interaction (PPI) network on Metascape platform and the herb-compound-target (HCT) network on Cytoscape, to identify the hub targets. …”
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Allocation and control of multi-devices voltage regulation in distribution systems via rough set theory and grasshopper algorithm: A practical study
Published 2025-03-01“…To address these challenges, this paper presents optimal planning, control, and operation of integrated Switched Capacitor Banks (SCBs), Distributed Generators Devices (DGDs), and Automatic Voltage Regulators (AVRs) for enhancing the performance of the distribution systems. …”
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3692
Evaluation for an Open Society: Then and Now
Published 2018-10-01“…Research Design: To design this commentary about the prospects of the evaluation discipline, the author drew on his personal experience as evaluation academic, international development practitioner, manager of the World Bank’s Independent Evaluation Group for two consecutive five-year terms and senior independent evaluation adviser to governments and international development agencies. …”
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Universality of universal health coverage: A scoping review.
Published 2022-01-01“…Hand searches were also conducted to find articles from Google Scholar, the World Bank Library, the World Health Organization Library, the United Nations Digital Library Collections, and Google. …”
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Giant pit craters on the modern seafloor above magma-induced hydrothermal vent complexes of Scotia Sea, offshore Antarctica
Published 2025-01-01“…Sills intruded into sediment at least two times, first about 12–13 Ma (Middle Miocene), which occurred with deep intrusions of stacked composite sills, and once about 0.9 Ma and associated with volcanism along Discovery Bank, which may have reactivated previous fluid venting. …”
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我国华南中麝鼩分子系统地理学分析
Published 2024-05-01“…为了明确我国华南中麝鼩的分子系统地理格局,为其分类学提供进一步分子生物学证据,测定了我国贵州华南中麝鼩20个样本的<italic>Cyt b</italic>基因序列,并结合GenBank下载的19个华南中麝鼩<italic>Cyt b</italic>基因序列进行一并分析。结果表明:系统发生树首先分成3个大的进化支,即华南中麝鼩华南亚种(<italic>C.r.rapax</italic>)进化支、西南中麝鼩(<italic>C.vorax</italic>)进化支、华南中麝鼩台中亚种(<italic>C.rapax kurodai</italic>)进化支。…”
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Immunoinformatics Approach for Multiepitope Vaccine Prediction from H, M, F, and N Proteins of Peste des Petits Ruminants Virus
Published 2019-01-01“…The sequences of the immunogenic proteins were retrieved from GenBank of the National Center for Biotechnology Information (NCBI). …”
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Investigating the Impact of Order Flow Imbalance and Information Asymmetry on Treasury Bill Price Changes
Published 2024-06-01“…Considering the price impact of orders and the significance of the secondary market for Islamic treasury bills as a pivotal tool in the central bank's monetary policy and government financing, this study aims to investigate the price effects of order flow on the price fluctuations of Islamic treasury bills in the market. …”
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蚊虫细胞色素P450 基因系列研究
Published 2001-01-01“…报告中山医科大学寄生虫学教研室医学昆虫学室近5 年来有关蚊虫细胞色素P450 基因(CYP450)系列研究 结果, 包括:①通过简并引物PCR 分别从致倦库蚊、白纹伊蚊及中华按蚊中获得3 个、2 个、2 个CYP4 家族成员基因片段;通 过简并引物PCR 及RT-PCR 从白纹伊蚊中获得16 个CYP6 家族成员基因片段;②利用cDNA 末端快速扩增(RACE)法获得 了白纹伊蚊CYP 6 家族3 个新的全长cDNA 序列及7 个超过其全长一半以上的cDNA 序列。GenBank accession number 分别 为AF283836-AF283838(全长cDNA 序列)和AF284782-AF284783(非全长cDNA 序列), 被国际P450 命名委员会正式命名为 CYP 6N3v1-v3(全长cDNA 序列)和CYP 6N3v4 、CYP 6N4v1-v6, 并证实这些新基因同时存在于白纹伊蚊溴氰菊酯抗性株及 敏感株中;③运用基因步移方法从白纹伊蚊溴氰菊酯抗性株中扩增出CYP 6N3 上游3 076 bp 调控序列;④对白纹伊蚊 CYP 6N3、CYP 6N4 非翻译区序列功能分析显示:昆虫CYP450 与其它真核m RNA 翻译起始及终止机制相似, 但具有多态性 的特点;⑤对白纹伊蚊CYP 6N3 上游启动子区序列特征与功能分析显示:蚊虫中CYP450 转录起始存在着复杂性;⑥证实蚊 虫中CYP 6 存在多样性, 并分析讨论了此种多样性形成的可能机制;⑦分析讨论了蚊虫细胞色素P450 CYP 6 家族分子进化 机制;⑧阐明了下一步研究的目标。…”
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