资讯

日光丽思卡尔顿酒店(The Ritz-Carlton, ...
Speaking at an event in Vientiane to mark the International Day of the Midwife, Lao Deputy Minister of Health Aphone Visathep emphasized that midwives are the backbone of the maternal health system ...
The occurrence of wildfires varies across Germany due to regional differences in climate, soil, and forest types, said BZL. Once again, Brandenburg, known for its sandy soils and pine forests, ...
为解决长期PM2.5 暴露与体力活动对心血管疾病 (CVD)风险的联合效应争议,研究人员基于中国PURE队列开展大规模前瞻性研究。结果显示,高PM2.5 暴露显著削弱非娱乐性体力活动的心血管保护作用,尤其在高污染区域(≥47.70 μg/m3 )。该研究为污染地区制定差异化运动指南提供关键证据,发表于《The Lancet Regional Health - Western Pacific》。
在中国城乡二元结构背景下,农村集体建设用地的流转长期受到制度性约束,形成"同地不同权"的困境。这种限制不仅造成土地资源错配,更直接抑制了农村创业活力——企业家们面临"有项目无土地"的窘境,制约了产业升级和乡村振兴。2015年启动的农村集体建设用地市场化改革(RCCLMR)试图破解这一困局,但其实际效果尚存争议:支持者认为它能激活土地要素,反对者则担忧引发耕地流失和生态破坏。