TEM works by transmitting a beam of electrons through an ultra-thin specimen. As the electrons interact with the specimen, they are scattered or transmitted, producing an image that is magnified and ...

纤维的 TEM 图像； (e) (d) 中纤维的相应选区电子衍射 (SAED) 图案；(f) 薄膜转移到 SiO2/Si 衬底上的光学图像，插图：Si/SiO2 晶片上的 5 cm × 5 cm 薄膜；(g ...

低碳马氏体钢具有硬度高、耐磨性好等优点，广 泛用于机加工刀具、高档军用刀具、锤头、衬板以及 ...

High Contrast images (desired for standard biological TEM samples) at Low Magnification mode (field of view from 100 microns to 1 micron) High Resolution TEM (HRTEM) to identify lattice spacings less ...

Similarly, it would be nice to know you’re not making any boneheaded mistakes early in the design process, which is what this DIY TEM cell is all about. We really like [Petteri Aimonen]’s ...

超高强钢在减小车身质量的同时能保证汽车的安全性。热冲压成形超高强钢尺 寸精度高、使用寿命长，已被广泛应用于汽车制造领域。目前热冲压成形钢常用的焊接技术为 电阻点焊和激光焊接等。为避免热冲压成形过程中表面氧化和脱碳，通常在钢板表面预制ＡｌＳｉ镀 ...

Now, by developing a TEM that generates only very low magnetic fields at the sample, a team of researchers in Japan and Australia has succeeded in directly imaging an atomic magnetic field for the ...

多个超表面和大规模衍射调制超原子的高自由度设计空间使得s-dnn能够在局部角度区间内产生超振荡角度响应，从而实现超越衍射极限的doa估计。 从 ...

文章解读+创新点拓展，为您带来科研新体验～导读特应性皮炎（Atopic Dermatitis, AD）是一种常见的慢性炎症性皮肤病，给患者带来极大的身体不适与心理压力。传统治疗方法往往伴随着副作用或疗效不佳的问题。近期，一项发表于JOURNAL OF ...

Cathie Wood's Ark Invest Continues Dumping Robinhood And Palantir Shares As Interest Rates Fall On Wednesday, Cathie Wood-led Ark Invest continued its trend of offloading shares of Robinhood ...

戊烯基是一种疏水的五碳片段，在生物化学和天然产物化学中广泛存在。具有广泛药用价值的天然产品——多环聚戊烯基酰基间苯三酚（PPAPs），一直是多个合成研究的目标，但不对称地引入戊烯基已被证明是一个持久的挑战。 Ng等人报道了一种铜催化的方法，使不饱和酮戊酰化，从而获得具有高对映选择性的PPAP。该方法的关键是一种有机硼酸盐试剂，硼在一个有点违反直觉的位置。