Results 171 to 180 of about 26,437 (250)
应用聚合酶链反应技术扩增血痕DNA,根据扩增产物中有无aPoB基因的数量可变重复序列(VNTR)及其扩增片段的大小即可同时确定其种属特异性和DNA的多态性。实验结果显示人血痕可见扩增带并具有多态性,而猴猪狗猫鸡血痕无扩增带。
doaj
Interaction of HSP70-2 gene polymorphism with body mass index and alcohol consumption on the prognosis of Uyghur patients with ischemic heart failure. [PDF]
Guo S, Luo X, Yin X, Yang Y, Yang L.
europepmc +1 more source
ABSTRACT In recent years, video assistant referee systems have been increasingly used to correct unfair decisions in sports. Similarly, I argue that constitutional referendums play a corrective role in hybrid or competitive authoritarian regimes, where the electoral referee is biased and the government enjoys unfair advantages.
Muhammet Derviş Mete
wiley +1 more source
To Ban or Not to Ban: The UK's Hamlet Moment With Farm Antibiotics
ABSTRACT This article applies the Multiple Streams Framework (MSF) to examine post‐Brexit antimicrobial resistance (AMR) governance in UK agriculture, focusing on the contested regulation of prophylactic antibiotic use in farm animals. The study reveals how Brexit created a structural policy window, yet political and ideological dynamics rendered it ...
George Asiamah
wiley +1 more source
为了深入掌握越冬期湿地水鸟群落多样性及种-多度关系,2016年1月采用定点直接计数法对南矶保护区越冬期湿地水鸟群落进行了监测分析。结果显示:(1)南矶保护区共记录有越冬的湿地水鸟6目12科24种; 物种组成以雁形目和鹤形目鸟种最多(54.16%),其次为鸻形目和鹳形目(33.34%); 区系分布以古北种为主(70.83%),其次是广布种(20.83%); 居留型以冬候鸟占绝对优势(75.00%),其次为留鸟(25.00%); 生态类群以涉禽(54.17%)和游禽(41.67%)占绝对优势 ...
吴庆明 张 琦 姚茂林 黄 显 陈 川 胡斌华 黄晓凤
doaj
ABSTRACT On October 12, 2022, the Biden administration abruptly changed course and announced that Venezuelan refugees would be immediately subject to Title 42—the policy that effectively means that those migrants would be summarily forced to return, or expelled, to Mexico.
Terence Michael Garrett +1 more
wiley +1 more source

