Results 41 to 50 of about 1,979,765 (156)

Influence of touching on growth and development of very low birth weight infants

open access: yesHuli yanjiu, 2005
[目的]观察抚触对极低体重儿生长发育的影响。[方法]选择42例极低体重儿,随机分为抚触组和对照组,抚触组给予正规的抚触,观察两组治疗后7d、14d相同时段的喂养耐受情况,同时记录达到全肠道喂养的时间及治疗后10d内体重、身长、头围增长和纠正胎龄40周进行2 0项新生儿行为神经测定,并做组间比较。[结果]抚触治疗后7d、14d抚触组喂养不耐受的发生率比对照组明显降低(P
富林宝
doaj  

Canine Distemper Virus Research in China and Future Directions for Conservation 中国犬瘟热病毒研究现状与保护策略展望

open access: yesIntegrative Conservation, Volume 5, Issue 3, Page 268-280, September 2026.
ABSTRACT Canine distemper is a highly contagious, severe disease caused by the canine distemper virus (CDV). With a worldwide distribution and ever‐expanding list of susceptible hosts, CDV poses a growing risk for many threatened wildlife species, both in captivity and their native habitats. As a megadiverse country, China is home to myriad endemic and
Aliana C. Norris   +4 more
wiley   +1 more source

非洲狮人工哺育的研究

open access: yes野生动物学报, 2018
以广州动物园出生的1胎2只非洲幼狮为研究对象,进行全人工哺育研究。人工哺育以PetAG KMR作为代乳,40日龄时开始饲喂固体食物。对幼狮1~50日龄的生长发育数据进行采集和分析,结果显示:幼狮在发育早期体重增长较快,雌、雄幼仔50日龄的增重量分别为4 884 g 和4 074 g,增重率分别为411.80%和307.24%; 21日龄雌、雄体长增长率分别为34.38%、22.22%; 尾长增长率为21.43%、26.67%; 胸围增长率为20.00%、32.00%。相同日龄的幼仔 ...
苏 力 吴其锐 陈兴永 李耀智 林杏要 陈绮君
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孤独症谱系障碍儿童动物辅助干预研究进展

open access: yesZhongguo shiyan zhenduanxue, 2022
ASD),简称孤独症或自闭症,是一种有生物学基础的神经发育障碍,特征为社会交流与社交互动缺陷,行为、兴趣或活动模式的局限、刻板重复两个重要领域的缺陷[1]。ASD发病率呈不断上升的趋势,位列儿童精神发育障碍的首位[2]。ASD病因及发病机理尚未完全明晰,病程可持续一生。ASD治疗的主要方式为教育干预,并辅以药物治疗。也有学者尝试用音乐[3-5]、运动[6-7]、游戏[8-9]、动物辅助干预[10-11]等来帮助孤独症患儿。动物辅助干预(Animal-Assisted Intervention AAI ...
doaj  

Residents' Knowledge and Protection Willingness of Otters in a Megacity in China 中国特大城市居民对水獭的认知程度及保护意愿

open access: yesIntegrative Conservation, Volume 5, Issue 3, Page 306-316, September 2026.
ABSTRACT In today's rapidly urbanizing world, the survival of wildlife in cities faces significant challenges, and the attitudes of urban residents toward wildlife play a crucial role in their survival. Otters, as top predators in freshwater ecosystems who are highly sensitive to environmental changes, had once gone extinct in Shenzhen—a megacity ...
Changning Liu   +5 more
wiley   +1 more source

煤矿工人冒险行为与人为事故的关系分析

open access: yes, 1996
研究发现:煤矿工人的冒险行为表现与煤矿人为事故的发生存在极高的相关,而且不同的冒险行为表现与事故发生有不同程度的相关;冒险行为可以分为有意冒险行为和无意冒险行为 ...
徐联仓, 林泽炎
core   +1 more source

狼行为的个体发育

open access: yes野生动物学报, 1995
狼行为的个体发育(B.A.БЙбЙкOB)出生时的本能行为新生激崽的吸吮动作包括三个方面:促使找到母狼的趋热性,母狼颜面针毛刺激形成的寻找乳头的反应,包括以爪抚摩乳房的吸吮动作.狼崽的趋热性比狗崽表现得强烈。狼崽与狗崽不同的是它能积极寻找母狼。在人工...
王俊森
doaj  

丹江口库区典型小流域生物结皮驱动土壤性质变化及分离响应

open access: yesShuitu Baochi Xuebao, 2023
为探究生物结皮发育驱动下土壤水蚀特征及机理,选取苔藓发育为优势种的退耕样地,设计5个盖度等级(1%~20%,20%~40%,40%~60%,60%~80%,80%~100%),以裸地为对照,在不同水流剪切力(6.12~19.64 Pa)下进行冲刷试验。结果表明:结皮发育显著影响土壤养分含量,且高盖度结皮覆盖下养分表聚效应更加明显。生物结皮发育显著影响土壤分离能力,裸地土壤分离能力为生物结皮的3.58~348.95倍,裸地细沟可蚀性(0.293 5 s/m)为生物结皮(0.001 0~0.082 2 s ...
平原   +6 more
doaj  

Machine Learning‐Driven Discovery and Experimental Validation of Effective Precursor Additives in Perovskite Solar Cells

open access: yesRare Metals, Volume 45, Issue 9, September 2026.
ABSTRACT Rationally selection of precursor additives during perovskite crystallization is essential for obtaining high‐quality films and achieving high‐performance perovskite solar cells (PSCs). However, the discovery and optimization of effective additives still rely heavily on time‐consuming and costly trial‐and‐error experiments.
Zhimin Feng   +12 more
wiley   +1 more source

圈养大熊猫一年发情两次现象初探

open access: yes野生动物学报, 2019
大熊猫为季节性雌性单发情动物,发情期多集中在春季的3—5月,少数在其他月份,但都表现为1年发情1次。本文首次报道了成都大熊猫繁育研究基地4只雌性大熊猫1年内发情2次的异常现象并对此现象的原因进行了分析。同时,经过历年数据收集,发现这4只雌性大熊猫均未产仔,因此研究这样的异常发情行为可能对指导圈养大熊猫的饲养繁育工作具有一定的参考意义。
彭文培陈敏
doaj  

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