Results 31 to 40 of about 258 (135)

Tectonic characteristics and numerical simulation analysis of an arcuate structural belt:A case study of the middle and southern segments of the Red River fault [PDF]

open access: yes
Objective  The southeast Yunnan Arcuate Structural Belt, with the central and southern segments of the Red River fault as its main body, serves as the southwestern boundary of the Sichuan-Yunnan block and the forefront of its south-southeastward movement.
LI Xi, WANG Chenxu
core   +1 more source

福州话声母类化的制约条件 [PDF]

open access: yes, 2000
福州话多音词语连读后,非首字普遍发生声母的类化。经过大量的验证,本文归纳了制约声母类化的条件在语音、语义、语法和语用等4个方面都有一些规律可寻。但是都不是绝对要变或一定不变的规定性音变。可见福州话的声母类化是多种性质的综合 ...
李如龙
core  

中越边境跨国婚姻人口流动的经济和生态因素分析——以麻栗坡县A瑶族村为例 [PDF]

open access: yes, 2012
关于中越边境跨国婚姻的原因分析,过去大多侧重于对历史文化原因和民族认同关系的讨论,民族认同被认为是首要因素。笔者经过田野调查,发现A村的跨国婚姻情况并没有呈现出在单一的民族主体内部你来我往,相互嫁娶的情景,却表现出在不同民族间相互通婚,男性人口相对稳定,女性人口单向度流动的情况。结合当地的经济基础和生态环境状况分析认为,我国内地,麻栗坡县边疆少数民族地区,越南北部边疆地带三者之间在经济收入和生态环境上形成了阶梯级次的差别。一些地区为了实现短期的经济利益对生态环境资源进行的开发 ...
吴振南
core  

Prediction of water inflow after excavation of underground chamber group with long span and high buried depth [PDF]

open access: yes
Predict the water inflow after excavation of large underground caverns is crucial for the safe construction and operation of underground engineering. To predict the water inflow of underground caverns after excavation and provide guidance for drainage ...
Guanghong JU   +5 more
core   +1 more source

内蒙古赤峰地区环境因子对东北马鹿粪便皮质醇的影响

open access: yes野生动物学报, 2023
野生动物应激水平的非损伤性评估是了解野生动物对景观条件产生生理反应的重要方法。粪便皮质醇代谢产物(faecal cortisol metabolites,FCM)水平被认为是评价动物压力的潜在生物标志物。影响濒危东北马鹿(Cervus elaphus xanthopygus)应激的环境因子可能包括道路、植被、人为干扰和海拔等,因此采用酶联免疫分析法(ELISA)分析内蒙古高格斯台罕乌拉国家级自然保护区东北马鹿种群的粪便皮质醇激素数据,利用多元线性回归模型构建东北马鹿粪便皮质醇激素与环境因子的线性关系 ...
孙悦, 李剑峰, 张明海
doaj  

Olhar para o outro tal e qual como ele é, é respeitá-lo na sua integridade

open access: yes, 2023
Num mundo em constante evolução onde todos temos a capacidade de aprender, a Escola deve ser um lugar seguro para todos. A presente investigação decorreu no âmbito da Prática de Ensino Supervisionada integrada no Mestrado em Educação Pré-Escolar e Ensino no 1º Ciclo do Ensino Básico, tendo como objetivo principal educar para a diversidade presente ...
openaire   +1 more source

艾比湖湿地国家级自然保护区马鹿种群资源调查

open access: yes野生动物学报, 2016
2013~2014年,在艾比湖自然保护区进行鹅喉羚资源调查时,运用粪堆计数法,对该保护区的马鹿种群资源也进行了的调查,此次调查共设置3 600个样方,发现马鹿粪便123堆。经分析显示,在艾比湖湿地国家级自然保护区内马鹿种群数量约有3到28只个体。马鹿艾比湖种群数量显示夏季少,冬季多。所以保护区要加以对马鹿艾比湖种群的保护。
先木西努·莫合德 夏米西丁·阿不都热依木 塔吉古丽·吐热甫宁礼群 马合木提·哈力克
doaj  

东北马鹿雌性生殖器官

open access: yes野生动物学报, 1983
东北马鹿是半驯养状态的野生动物。近年来为了提高马鹿种群质量和产茸量,人工授精技术的研究已有所进展。与人工配种休戚相关的问题是必须了解雌性生殖器官的构造。有关这方面的报导尚未见到。本文主要就马鹿雌性生殖器官的观察得出初步报导,希望能对马鹿的人工授精提供形态学依据。 1981年秋到1982年春,在黑龙江省绥棱农场的马鹿饲养场进行该项研究工作。共计屠宰母马鹿40余头 ...
方肇清   +4 more
doaj  

Agrobiodiversity and its use in Naban River Watershed National Nature Reserve : implications for bio-cultural diversity conservation [PDF]

open access: yes, 2012
This study was conducted in the Naban River Watershed National Nature Reserve (NRWNNR), Xishuangbanna Dai Prefecture, SW China and aimed at identifying the diversity of medicinal and food plants used by local people living in NRWNNR and documenting their
Ghorbani Dahaneh, Abdolbaset
core  

基于RNA-Seq技术的野生和圈养塔里木马鹿皮肤组织转录组比较分析

open access: yes野生动物学报, 2023
为探寻野生和圈养塔里木马鹿(Cervus elaphus yarkandensis)的基因表达谱是否存在差异,并进一步筛选该物种适应干旱环境的相关基因,利用RNA-Seq技术对野生和圈养塔里木马鹿的皮肤组织进行转录组测序,对测序数据质控后比对参考基因组,筛选差异表达基因并对其进行功能注释和富集分析,利用qRT-PCR方法对转录组测序结果进行可靠性检测。结果显示:与圈养塔里木马鹿相比,在野生塔里木马鹿皮肤组织中共有3 303个差异表达基因,包括上调表达基因1 535个,下调表达基因1 768个 ...
布威海丽且姆·阿巴拜科日   +3 more
doaj  

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