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A Simplilearn Certificate Goes on LinkedIn Each Minute; Here’s How Krishna Kumar Built It From a Blog

17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.

Class Central Team Jun 22, 2026

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生物药剂学


Explore the science of drug absorption, distribution, metabolism, and excretion in the body, focusing on formulation factors and biological interactions that influence drug effectiveness and safety.
- XuetangX
- Self-Paced
- Free Online Course
人工智能与医学数据计算


Dive into artificial intelligence and deep learning fundamentals, from neural networks to backpropagation algorithms, with practical applications in medical data computing and clinical contexts.
- XuetangX
- Self-Paced
- Free Online Course
中医药学概论


Discover the foundational principles of Traditional Chinese Medicine, exploring drug properties, therapeutic systems, and the application of common medicinal herbs in modern pharmaceutical practice.
- XuetangX
- Self-Paced
- Free Online Course
新型冠状病毒肺炎的认识与防控


医学全视野，带你快速开启新型冠状病毒肺炎战“疫”攻略。
- XuetangX
- Self-Paced
- Free Online Course
妇科腔镜技术


Dive into 妇科腔镜技术 through comprehensive video demonstrations of laparoscopic surgeries, combining theoretical knowledge with real surgical footage for gynecological diagnosis and treatment.
- XuetangX
- Self-Paced
- Free Online Course
牙体牙髓病学


始于牙，精于髓，欢迎开启“牙体牙髓病学”之旅：纵览牙体疾病之貌，领略牙体修复之要，感受牙髓解剖之奥，体会根管治疗之妙。
- XuetangX
- Self-Paced
- Free Online Course
营养学


掌握营养学基础理论与实践，从食物营养、人体营养到公共营养，深入了解营养与健康的关系，学习膳食规划和疾病预防的专业知识。
- XuetangX
- Self-Paced
- Free Online Course
急诊医学


急诊医学是临床医学专业本科学习阶段的必修课。本课程精心挑选课程中最核心及重点章节，浓缩提炼重难点内容结合临床进行精讲。通过学习本课程，可短时、高效掌握急诊医学的全部精华知识点。
- XuetangX
- Self-Paced
- Free Online Course
眼视光学理论和方法


掌握眼视光学核心理论与临床技术，从眼球光学到屈光不正诊断，验光技术到双眼视觉功能检查，构建完整的眼部检测分析体系，培养专业诊疗思维与实操技能。
- XuetangX
- Self-Paced
- Free Online Course
情报检索——信息时代的元素养


Master information retrieval skills and academic research methods, from database searching to reference management, enhancing your ability to efficiently find and organize scholarly resources in the digital age.
- XuetangX
- Self-Paced
- Free Online Course
房地产管理


Dive into China's real estate management principles, exploring market dynamics, sustainable development strategies, and comprehensive housing policies that shaped the world's largest housing system.
- XuetangX
- Self-Paced
- Free Online Course
企业战略管理


Master the art of strategic business management through comprehensive analysis tools, competitive strategies, and modern trends in digital transformation and internationalization.
- XuetangX
- Self-Paced
- Free Online Course
数字信号分析理论与实践


介绍白噪声、正弦波等标准信号生成算法，以及频谱分析、小波分析等常用信号分析方法。采用理论教学+Matlab实践方式，强调学生对知识的理解和应用。
- XuetangX
- Self-Paced
- Free Online Course
金属工艺学（机械制造技术基础）

你知道各种零件是如何制造出来的吗？你知道制造工艺中的“秘密”和关键技术吗？你知道先进制造技术是如何发展的吗？让我们一起学习“制造的原理”吧。
- XuetangX
- Self-Paced
- Free Online Course
弹塑性力学


Master the principles of elastoplastic mechanics, covering deformation measurement, force equilibrium, and stress-strain relationships for structural strength analysis in engineering applications.
- XuetangX
- Self-Paced
- Free Online Course

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