2025-05-13 13:56:32前沿信息
改性玻璃纤维微观结构可以从内部照亮血管健康

Skoltech researchers have fashioned a microstructure made of modified glass fiber that could in principle function as a tiny lantern for medical probes exploring the interior of blood vessels and other tubular cavities in the body.

阅读全文
2025-05-13 13:41:18前沿信息
控制纳米孔内的污染物有望实现海水淡化、二氧化碳储存和多孔催化剂

Natural and engineered systems have a whole world of chemistry inside their tiny pores—known as nanopores—that changes depending on the chemical functional groups inside.

阅读全文
2025-05-13 13:30:42前沿信息
纳米级光谱学检测来自受限间隙中分子的振动信号

Vibrational sum-frequency generation (VSFG) is a nonlinear spectroscopic method widely used to investigate the molecular structure and dynamics of surface systems. However, in far-field observations, the spatial resolution of this method is constrained by

阅读全文
2025-05-13 13:19:18前沿信息
动态可视化揭示了铁电体中畴壁的移动方式

As demand for energy-intensive computing grows, researchers at the Department of Energy's Oak Ridge National Laboratory have developed a new technique that lets scientists see—in unprecedented detail—how interfaces move in promising materials for computi

阅读全文
2025-05-13 13:03:36前沿信息
靶向纳米颗粒有望实现更有效的抗真菌治疗

A team of researchers from Brown University has developed a new nanotechnology-based approach that could improve treatment of fungal infections, particularly those caused by the increasingly drug-resistant Candida species.

阅读全文
2025-05-12 05:19:27动物植物
一般害虫造成的损害更大,专家杀死的树木更多:按树木损害和死亡率对害虫进行分类

A study in the journal Forests highlights the critical need for understanding and managing nonnative forest specialist and generalist pests.

阅读全文
2025-05-12 05:06:38动物植物
关于旧金山社区花园鸟类的五个见解

A community garden in the heart of a city can be an oasis—an island of greenery where people can escape the sounds of traffic, sink their hands into the earth, and connect with the natural world. These spaces can be especially important in lower-income ne

阅读全文
2025-05-12 04:55:04动物植物
利用农业和粮食生产的副产品为牲畜创造可持续的饲料

Imagine if agricultural and food byproducts could be transformed into an effective and holistic feed for livestock while also helping to combat climate change. Milad Parchami, Ph.D. in Resource Recovery at the University of Borås in Sweden, explored a pro

阅读全文
2025-05-12 04:42:33动物植物
金属和激素干扰物质威胁可持续农业和水资源管理

Metals and hormone-disrupting substances such as estrogens present a genuine risk to the sustainability of agriculture and water management in Europe. This is the conclusion of doctoral research conducted by Chinese environmental scientist Yuwei Jia at th

阅读全文
2025-05-12 04:30:20动物植物
内部时钟决定南极磷虾的起伏

Antarctic krill not only react to external environmental influences such as light or food. They also use their internal clocks to adapt to the extreme conditions of the polar environment.

阅读全文
2025-05-12 04:19:37动物植物
研究揭示了人体蛋白质制造能力的“供需”制约因素

"Supply and demand" constraints limit the body's ability to produce the various proteins needed for critical life functions, according to a new study.

阅读全文
2025-05-12 04:05:17动物植物
消失的秃鹫可能会给地球带来隐性成本

Falling vulture numbers in the Americas could have serious implications for public health and ecosystems, new research has found.

阅读全文
 12650   首页 上一页 494 495 496 497 498 499 500 501 502 503 下一页 尾页