Fragment of a Neo-Assyrian tablet preserving wax, in the British Museum. ( The Trustees of the British Museum) The writing ...

纳米塑料主要来自于微塑料和塑料碎片的分解，具有较大的毒性和流动性，可能对生态系统和人类健康构成风险。为了评估其在自然水域中的风险，需要确定其浓度。目前，热解气相色谱-质谱法已用于量化纳米塑料，但需复杂且耗时的分离过程。激发拉曼散射显微镜（SERS）具 ...

A new Drosophila collection of Parkinsonism models reveals early synaptic cholinergic projection neuron dysfunction, linking synaptic failure to later dopaminergic decline, highlighting a role for ...

Science Connected Magazine is an editorially independent, non-profit newsroom producing open-access science journalism and ...

Microplastics and nanoplastics have been identified in the lungs of wild birds using laser direct infrared (LDIR) chemical ...

Rubber is a highly valuable material with a massive global market. Although its use dates back hundreds of years, it was primarily restricted to natural rubber from trees. The modern process of ...

Plus, which auditions moved the judges to tears and who didn't quite make the cut?

聚烯烃是全球产量最大的塑料产品，但是难以自然降解，造成了严重的环境问题。塑料垃圾中蕴含着丰富的碳氢资源，若将其转化为液体燃料，部分替代石油路线燃料，可减少对石油的开采。利用金属/氧化物双功能催化剂，可以在较温和条件下将废塑料转化为高值燃料、蜡和润滑油 ...

热脱附仪面议 上海市 珀金埃尔默企业管理（上海）有限公司 2025-03-04在线询价 气相色谱质谱仪 热脱附仪面议 上海市 珀金埃尔默企业管理（上海）有限公司 2025-03-04在线询价 Clarus® 580/680 GC Systems气相色谱仪 热脱附仪面议 上海市 珀金埃尔默企业管理（上海 ...

Some little things to make life easy (on www.geocaching.com). Powerful, configurable tool to improve and expand the geocaching pages. The GC little helper II is a powerful tool to enhance and extend ...

State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China University of Chinese Academy of ...

A recent study evaluated the suitability of pyrolysis–gas chromatography-mass spectrometry (Py-GC–MS) for detecting and quantifying micro- and nanoplastics (MNPs) in human blood. LCGC International ...