Standard cell potential and the equilibrium constant _ Chemistry _ Khan Academy 1 -- 11:07 App Nickel-cadmium battery _ Redox reactions and electrochemistry _ Chemistry _ Khan 1 -- 6:55 App Introduction to electrolysis _ Redox reactions and electrochemistry _ Chemistry 1 -- 6:04 App Using re...
1.a title borne by rulers of the empire founded by Genghis Khan, and of the states that succeeded his empire in Asia and European Russia. 2.a title of respect used in Iran, Afghanistan, Pakistan, India, and other countries of Asia. ...
- 《Journal of Cancer Education the Official Journal of the American Association for Cancer Education》 被引量: 5发表: 2015年 Men affected by prostate cancer: a survey of general practitioners' learning needs. With incidence rates for prostate cancer increasing each year in the UK, information ...
Khan Academy Computing A blog from the Khan Academy Computing. Team We'll post on what we've released, what we're working on, and what we learn as we go along. Friday, July 24, 2015. New tutorial: Using JS libraries. We've just added a new tutorial to our HTML/JS course about ...
The training that I received from Khancell academy was really helpful in getting a good band for my IELTS. Since the ielts classes are provided individually, I could understand everything properly and also ask my doubts to the trainer without any hesitation. Thank you Khancell academy for helpi...
The major benefit of the app is offline learning. “If you’re going on a road trip or if you’re taking mass transit and you don’t have cell service, or whatever, you can get the content,” says Khan Academy Lead Designer Jason Rosoff. The iPad frees Khan Academy from the constrai...
(PhysOrg.com) -- The problems with basic education, both in the US and other countries, are complex, but one website may have the ability to improve education on a global scale. The Khan Academy, whose mission is to "provide a free world-class education
"mastery-based learning"—requiring students to prove they've conquered material before advancing. kami thordarson uses khan academy in her fifth-grade class. some kids are already learning calculus with it. photo: joe pugliese word soon spread to the rest of the world. khan discovered that ...
图二:吞噬作用示意图;图片来源:Khan Academy。 巨噬细胞对癌细胞杀伤力没有T细胞那么强悍,但在某些肿瘤组织中巨噬细胞占到了肿瘤总重量的一半[1],理论上来说凭“人海战术”也能把癌细胞“吃”得个落花流水。然而,奇怪的是,部分巨噬细胞不但玩忽职守对癌细胞视而不见,还为其献上生长因子这种精品养分。
the Chinese Academy of Sciences, located in Shenyang, Liaoning Province. Subsequently, he engaged in postdoctoral research at the Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences. Dr. Muhammad's research ...