English
全部
搜索
图片
视频
短视频
地图
资讯
更多
购物
航班
笔记本
报告不当内容
请选择下列任一选项。
无关
低俗内容
成人
儿童性侵犯
时长
全部
短(小于 5 分钟)
中(5-20 分钟)
长(大于 20 分钟)
日期
全部
过去 24 小时
过去一周
过去一个月
去年
清晰度
全部
低于 360p
360p 或更高
480p 或更高
720p 或更高
1080p 或更高
源
全部
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
价格
全部
免费
付费
清除筛选条件
安全搜索:
中等
严格
中等(默认)
关闭
筛选器
0:39
The Evolution of the Chemical Bond ⚛️ #chemistry #science #history #shorts #viral
已浏览 540 次
4 周前
YouTube
Advanced Chemistry
0:47
How well do you know your molecular geometry?
已浏览 978 次
2 周前
YouTube
Catalyst Chemistry
2:53
Digital PCR & Molecular Diagnostics: The Next Big Career Skill
已浏览 2020 次
1 个月前
YouTube
Rasayanika
0:20
Half-Yearly Biology की Tension? Join the Marathon!#class12biology #biologyrevision #halfyearlyexams
已浏览 623 次
1 个月前
YouTube
Class 12 by Unacademy
0:05
Mole Concept in One Page
已浏览 558 次
2 周前
YouTube
Study Site
1:04
CRISPR-Cas9 Explained | Gene Editing & Designer Babies #shorts
已浏览 2790 次
1 个月前
YouTube
Parcham Classes
1:52
Fire Works Like Gravity. Seriously.
已浏览 3495 次
1 个月前
YouTube
Math and Science
0:58
VSEPR Theory in 60 Seconds ⚡ | Molecular Shapes Explained | Chemistry Titans
已浏览 1615 次
1 个月前
YouTube
Chemistry Titans
2:36
Spectroscopy Part 4 | Molecular Biology & Biotechnology | CSIR | CUET | GATE | RPSC Biology
已浏览 354 次
1 个月前
YouTube
Life Science Concepts
0:47
Career Opportunities in Molecular Biology, Path to Success in Biotechnology and Research
已浏览 3554 次
2 个月之前
YouTube
Sreevidhya Santhosh
0:17
Telomerase: A Discovery So Important, It Redefines Aging and Cancer
已浏览 4308 次
1 个月前
YouTube
Eppendorf
0:14
Tiny Machines Are Walking Inside Your Cells 🤯🔬 #biology #science #shorts
已浏览 4365 次
1 个月前
YouTube
One More Question — Universe Unexplained
1:08
A Zygote meets every objective scientific criterion used by molecular biology to define life Objective scientific fact… it’s not developing to be a human it’s developing to be an infant, which will develop to be be a toddler to teenager, etc. They aren’t potential life; they are life with potential. A dead/non-living thing cannot grow. An inanimate object cannot undergo cell division. By the laws of biology, the zygote is objectively alive because it meets all scientific criteria for life…. The
已浏览 150万 次
1 个月前
TikTok
thejuliakate
0:08
The Birth of a Water Molecule
已浏览 85.9万 次
2 个月之前
YouTube
Cosmic Depths
0:24
How to Read Chemical Formulas — Simple Guide for Beginners
已浏览 160万 次
4 个月之前
TikTok
lklogic
1:16
Finding treatments for rare diseases 🧬 Hear from Dr Linda Popplewell, Professor of Molecular Therapies, as she talks about some of the work she does in her lab to develop gene therapies for Duchenne muscular dystrophy and Neurofibromatosis type 1, two genetic conditions caused by the loss of certain proteins. #RoyalHolloway #University #Research
已浏览 1575 次
2 周前
TikTok
royal_holloway
2:40
Resumen sencillo del Ciclo de Krebs y cómo funcionan las enzimas
已浏览 12.7万 次
2 个月之前
TikTok
la.ferritina
4:41
Electron and Molecular Geometry Exceptions: BH3 and XeF2
已浏览 13.1万 次
3 个月之前
TikTok
chembyken
0:20
Ionic compounds for between a metal and a nonmetal or polyatomic ions. Molecular compounds form between two nonmetals. #chemistry #molecular #apchem #chemistryteacher #alevelchemistry
已浏览 4909 次
1 周前
TikTok
candochemistry
1:10
Mastering Biochemical Language: Key Concepts Simplified
已浏览 11万 次
2 个月之前
TikTok
aramisqfb
展开
更多类似内容
反馈