资讯

It's a win-win, and it's why everything on iStock is only available royalty-free — including all Atom images and footage. What kinds of royalty-free files are available on iStock? How can you use ...
Key Laboratory of Optic-Electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P ...
Shanghai Engineering Research Center for Food Rapid Detection, School of Health Science and Engineering, University of Shanghai for Science and Technology, P.O. Box 454, No. 516, Jungong Road, ...
By using abundant, inexpensive, iron or metal-free non-toxic blue light ... By replacing an oxygen atom in the carbohydrate molecule with a sulfur one, enzymes in the human body won't recognize ...
They integrated ferrocene, a molecular sandwich that encloses an iron atom, with a carbon "nanohoop." As a result, the system allows for the release of Fe 2+ ions upon activation with benign green ...
This breakthrough was achieved by combining ferrocene, a molecular structure that encapsulates an iron atom, with a carbon-based nanohoop. Image Credit: HIMS/Journal of the American Chemical Society ...
Enter the COS STAR Model-X Smart Soldering Iron—a compact, portable, and feature-packed tool designed to make soldering easier, smarter, and more precise. With intelligent temperature control ...
NOV Iron Roughneck Model HydraTong ARN 270 Up to 270 000 Nm (200 000 ft-lbs) Make-up and Break out Torque. Unused. CLICK HERE for more information and pictures on our website.
The exotic quantum phase, predicted over half a century ago, could lead to advances in quantum computing, sensors and communication technology.
Iron is a necessary nutrient needed for physical growth and advancement. It is crucial in forming hemoglobin, a protein in red blood cells that transports oxygen throughout the body. An ...
How core-mantle differentiation influenced the distribution of volatile elements on Earth. Imagine Earth's history as a ...
Chemists have confirmed a 67-year-old theory about vitamin B1 by stabilizing a reactive molecule in water—a feat long thought ...