2024-06-20 23:12:34动物植物
研究揭示了复杂环境下入侵沉水植物如何影响沉积物氮循环

Removal of excess nitrogen is a critical step in the ecological restoration of eutrophic lakes. Microbially mediated dissimilatory nitrate reduction processes in lakes represent an important mechanism for nitrogen removal. However, lake ecosystems are fac

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2024-06-20 23:07:04前沿信息
化学家发现带电微滴中自发形成纳米颗粒

A team of chemists at the Indian Institute of Technology Madras, working with a pair of colleagues from the Jawaharlal Nehru Center for Advanced Scientific Research, both in India, has found that particles of minerals sometimes break down spontaneously wh

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2024-06-20 23:02:04动物植物
研究人员调查纽约食品市场上出售的濒危海参

After surveying food market retailers in three New York City Chinatown districts, Cornell researchers have found genetic evidence that some endangered species of sea cucumbers—considered a pricey but nutritious dried delicacy—are being sold to consumers.

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2024-06-20 22:55:10前沿信息
铜和碳原子链可能是最细的金属丝

Researchers from the Laboratory for Theory and Simulation of Materials at EPFL in Lausanne, part of the NCCR MARVEL, have used computational methods to identify what could be the thinnest possible metallic wire, as well as several other unidimensional mat

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2024-06-20 22:48:45动物植物
研究发现,沿海水域的上表面会积聚细菌和抗生素

Antibiotics in the uppermost water surface, known as the sea surface microlayer, can significantly affect the number of bacteria present and contribute to the adaptation of marine bacteria against widely used antibiotics. In new research presented at ASM

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2024-06-20 22:39:16前沿信息
透明有机-无机混合光刻胶实现光学微结构的精密加工

Researchers at Beijing University of Chemical Technology (BUCT) and BOE Technology Group Co., Ltd. (BOE) have developed a novel type of transparent organic–inorganic hybrid photoresist with highly tunable refractive index.

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2024-06-20 22:37:56动物植物
人工智能使败血症的抗生素治疗更快、更有效

Sepsis is a life-threatening infection complication and accounts for 1.7 million hospitalizations and 350,000 deaths annually in the U.S. Fast and accurate diagnosis is critical, as mortality risk increases up to 8% every hour without effective treatment.

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2024-06-20 22:26:39前沿信息
研究人员开发了具有骨样微环境的压电催化诱导可控矿化支架

Inspired by nature, the researchers developed a piezocatalytically-induced controlled mineralization strategy using piezoelectric polymer poly-L-lactic acid (PLLA) fibers with ordered micro-nano structures to prepare biomimetic tissue engineering scaffold

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2024-06-20 22:24:28动物植物
科学家警告称,海洋酸化将导致珊瑚礁衰退

The French Polynesian island Moorea is the most beautiful isle in the world, some say. Its lagoons are surrounded by reefs dominated by Porites corals.

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2024-06-20 22:14:27动物植物
镁是能使沙尘暴在寒冷的冬天生存下来的安眠药吗?

Magnesium compounds are a common ingredient of many remedies designed to help people wind down and escape the stresses of modern life. However, a new study has shown it is not only humans that are using forms of the chemical as a way to help them survive

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2024-06-20 22:10:41前沿信息
碳化硅/碳微球在恶劣环境中保持性能

With the rapid development of electronic information technology, electromagnetic wave absorption materials play a crucial role in military applications such as electromagnetic protection and stealth devices, as well as in the defense industry.

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2024-06-20 22:04:17动物植物
研究表明,土地管理和气候变化影响生态系统同时提供多种服务的能力

A novel study published in Nature Communications found that agroecosystems in Central Germany, specifically grasslands and croplands, may have an enhanced capacity to provide multiple goods and services simultaneously when land management reduces the use

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