Results 31 to 40 of about 10,890 (118)
Read the free Plain Language Summary for this article on the Journal blog. Abstract The nested subset pattern (nestedness) has been widely used to explain species distributions in island and fragmented systems. Mountain sky islands serve as critical natural laboratories for understanding the evolutionary consequences of geographic isolation and climate
Caiwen Zhang +5 more
wiley +1 more source
Survey Experiments in Public Policy: A Systematic Literature Review
ABSTRACT This systematic literature review examines population‐based survey experiments (PBSE) in public policy, analyzing 36 peer‐reviewed articles from Web of Science and Scopus databases. Based on PBSE methodological literature and the review, four main types of PBSE are distinguished: methodological, direct (based on information provision ...
Radek Kovács, Arnošt Veselý
wiley +1 more source
Abstract Exploring heat tolerance and acclimation capacity can provide an effective approach to evaluating species’ sensitivity to extremely high temperatures due to climate warming. Despite some work on amphibian and reptile thermophysiological adaptation, related questions remain. We reviewed the literature to provide a synthesis of worldwide data on
Zijian Sun +8 more
wiley +1 more source
胎儿畸形是产前检查的主要项目,也是确保优生优育、降低出生缺陷率的关键。胎儿中枢神经系统畸形是临床常见、多发的胎儿畸形类型,也是导致胎儿及新生儿残疾、死亡的主要原因,以往临床主要采用超声检查胎儿中枢神经系统畸形,但随着近年来影像学技术不断发展 ...
李金成, 孙效松, 程敏, 吴巍
doaj
ABSTRACT Ghana faces a persistent infrastructure financing gap, prompting the exploration of alternative funding models such as Public–Private Partnerships (PPPs), green bonds, and blended finance instruments. This study uses macroeconomic and sectoral indicators as proxies to evaluate the long‐term impact of these models on economic performance in ...
Samuel Kojo Aidoo +1 more
wiley +1 more source
1传统医学检验教育的特点1.1医学检验教育体系已经完善随着80年代初期(1982年)医学检验本科教育开始进入我们国家医学教育体系,经过三十余年的发展,我们国家的医学检验教育已经包括中专、大专(高职)、四(五)年制本科、七年制、硕士研究生、博士研究生、博士后流动站整体教育体系已经建立。已经完成了从医学检验向检验医学的过渡。目前 ...
张国军, 吕虹, 康熙雄
doaj
儿童期是神经系统发育关键期,易受环境因素影响。环境内分泌干扰物(EEDs)广泛存在,可经多种途径入体,生命早期暴露可增加儿童患神经系统疾病的风险。本文综述 EEDs 与儿童发育性神经系统疾病的关系,明确 EEDs 对儿童神经发育的危害,为疾病防控提供依据,为制定预防和干预策略提供理论支撑,保障儿童神经健康发育,为后续研究指引方向。
任能, 孙雨雷, 张波
doaj
通过对7只不同年龄♂♀体大鸨生殖系统的形态结构解剖发现:大鸨雄性生殖系统由睾丸、附睾、输精管和交配器组成,无真正的阴茎,而具有阴茎体。睾丸一对,黑色、长形、豆状,右侧在前,左侧睾丸略大于右侧。大鸨睾丸从孵化出壳到性成熟无颜色变化,只是体积和重量增长。附睾在幼年时不明显,而在成体发情期时显著,呈前端较大的纺锤形。输精管外观为半透明、黑色弯曲的线状,沿输尿管向后延伸至泄殖腔壁形成突起,即输精管乳头;雌性生殖系统由卵巢和输卵管组成。卵巢和输卵管仅左侧正常发育,右侧输卵管退化为—短白色盲管 ...
郭玉荣 +3 more
doaj
肺不张是儿科中常见的小儿呼吸系统疾病之一,其主要由环境或遗传等因素导致的异物、细胞病变等引起[1,2]。肺不张的具体病变部位存在于呼吸系统中,但小儿气管相对成人狭小,过去的临床诊断中常出现因取样困难而引发的误诊情况。肺不张所造成的呼吸系统障碍严重影响了患儿的正常发育,对其生活质量甚至生命健康带来极大威胁 ...
刘晓佳 +4 more
doaj
采用Hungate滚管法,从东北太平洋结壳区深海沉积物中分离纯化得到中度嗜盐、严格厌氧发酵细菌S191,通过扩增及测定其16S rDNA基因序列,利用“Clustalx”和“Mega”软件对该序列作同源性分析及系统发育分析,建立了嗜盐严格厌氧细菌属的系统发育树,表明菌株S191的16S rDNA基因序列与Halanarobium属菌株的最高同源性为98.5%,革兰氏染色呈阴性、直杆状、0.3~0.6 µm ×1.8~3.0 µm、无运动、不产生芽孢,生长NaCl质量浓度为5%~25 ...
SHIKong-lan(石孔兰) +3 more
doaj +1 more source

