Rewards
English
全部
图片
视频
地图
资讯
购物
更多
航班
旅游
酒店
房地产
笔记本
为你精选
正在关注
我的播放列表
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
重置
安全搜索:
中等
严格
中等（默认）
关闭
筛选器
World's highest-efficiency hydrogen system scales up for mass production
Hysata promises the world's cheapest hydrogen, thanks to a remarkable device that splits water into H2 and O2 at 95% efficiency – some 20% higher than the best conventional electrolyzers. The company has raised US$111 million to scale up production.
newatlas.com
6 个月之前
Hydrogen Uses
11:14
9 Surprising Uses For Hydrogen Peroxide
Facebook
Bestie
已浏览 23.8万 次
2022年6月14日
0:09
How can hydrogen help?
Facebook
ExxonMobil
已浏览 375.1万 次
2022年12月7日
0:44
Hydrogen
Facebook
ExxonMobil
已浏览 3444 次
2023年8月3日
热门视频
4:00
H&0react with each other to tho H2O2,H816 let us fix
askfilo.com
已浏览 5509 次
2023年6月13日
SOLVED:A hypothetical diatomic molecule of oxygen
numerade.com
2019年11月24日
[Hot Item] Sentec Fmm501 Micro Variable Area Air Flow
made-in-china.com
1 个月前
Hydrogen Production
Hydrogen Production Technology Company Aurora Hydrogen
Microsoft News
2022年8月2日
1:27
Explainer: The plan to fix SA's energy
news.com.au
Lauren Novak
2017年9月8日
3:03
Global Hydrogen Project Pipeline Grows
Microsoft News
2023年10月30日
最匹配的结果
4:00
H&0react with each other to tho H2O2,H816 let us fix the hy... | Filo
已浏览 5509 次
2023年6月13日
askfilo.com
SOLVED:A hypothetical diatomic molecule of oxygen (mass = 2.656… | Numerade
2019年11月24日
numerade.com
[Hot Item] Sentec Fmm501 Micro Variable Area Air Flow Controller Gas Mass Flowmeter Ammonia Hydrogen Mass Flow Meter
1 个月前
made-in-china.com
SOLVED: The oxygen-to-hydrogen mass ratio of water is always 8.0 is an example of what fundamental law?
2022年4月3日
numerade.com
SOLVED: A mixture of hydrogen and oxygen has a hydrogen mass fraction of 0.33 . Determine the difference in the entropy of the mixture between a state of 750 kPa, 150^∘ C and another state of 150 kPa, 150^∘ C, in kJ / kg ·K. | Numerade
2021年3月12日
numerade.com
[Hot Item] Shanghai Cixi High Accuracy Local LCD Display Hydrogen Air Gas Mass Flow Meter
1 个月前
made-in-china.com
What percentage error is made in the Rydberg constant for hydrogen if the electron mass is used instead of the reduced mass? | Numerade
7 个月之前
numerade.com
A hydrocarbon CxHy has mass ratio between hydrogen and carbon 1... | Filo
已浏览 5573 次
1 个月前
askfilo.com
Tro - Chemistry:A Molecular Approach 4th Edition - Chapter 9 Problem 113
已浏览 994 次
1 个月前
pearson.com
What mass of hydrogen contains the same number of atoms as 7.00 g of nitrogen? | Numerade
5 个月之前
numerade.com
Calculate the Mass in Grams of 0.17 Mole of Hydrogen Sulphide, H2s. (Atomic Masses : H = 1 U, S = 32 U) - Science | Shaalaa.com
1 个月前
shaalaa.com
0:15
Algal mats. Unpleasant swing of dead mass. Under blanket of dead cladophora algae is black-white silt with smell of hydrogen sulfide and there is no life. Algae blooming. Eutrophication result
2 个月之前
Adobe
max5128
SOLVED: In the Bohr model of the hydrogen atom, an electron (mass m=9.1 ×10^-31 kg ) orbits a proton at a distance of 5.3 ×10^-11 m. The proton pulls on the electron with an electric force of 8.2 ×10^-8 N. How many revolutions per second does the electron make? | Numerade
7 个月之前
numerade.com
0:59
What is hydrogen?
已浏览 15.7万 次
2021年5月6日
Facebook
OMV
Hydrogen Electron Orbitals, the Electron S Charge Distribution Around the Atom S Nucleus Stock Video - Video of education, momentum: 329924287
3 个月之前
dreamstime.com
A hypothetical diatomic molecule of oxygen (mass=2.656×10−26kg... | Filo
2023年11月7日
askfilo.com
An unknown compound contains only carbon, hydrogen, and oxygen. Combustion analysis of the compound gives mass percents of 31.57 % C and 5.30 % H. The molar mass is determined by measuring the freezingpoint depression of an aqueous solution. A freezing point of -5.20^∘ C is recorded for a solution made by dissolving 10.56 g of the compound in 25.0 g of water. Determine the empirical formula, molar mass, and molecular formula of the compound. Assume that the compound is a nonelectrolyte. | Numera
1 个月前
numerade.com
A compound contains only carbon, hydrogen, and oxygen. Combustion of 10.68 mg of the compound yields 16.01 mg CO2 and 4.37 mg H2 O . The molar mass of the compound is 176.1 g / mol . What are the empirical and molecular formulas of the compound? | Numerade
1 个月前
numerade.com
Ben Turner on LinkedIn: 📺 Hydrogen: Implications for the Food and Drink Industry 📺Pleased to…
1 个月前
linkedin.com
3:01
Zelensky’s Chemical Factory Exposed?! Russia Claims Mass Weapon Production, Shocking Video
4 个月之前
Microsoft News
JAINT Thermal mass gas flowmeter Nitrogen Oxygen hydrogen helium argon methane propane strip with485
2 个月之前
alibaba.com
1:00
Learn Algebra, Calculus, Physics,... - Mathandscience.com
已浏览 557 次
2 个月之前
Facebook
Mathandscience.com
1:26
A passenger ferry now operating in San Francisco looks a lot like the fast ferry from West Seattle, but this boat is a first of its kind. The Sea Change is the world's first passenger hydrogen ferry, according to Chair of the San Francisco Bay Ferry Board Jim Wunderman. The hydrogen-powered ferry was developed and built by All American Marine in Bellingham. Sea Change can travel about 300 nautical miles and operate for 16 hours before it needs to refuel. Washington state leaders have been pushin
已浏览 15 次
4 个月之前
Facebook
KOMO News
Calculate the mass of sodium chloride that is to be treated wit... | Filo
1 个月前
askfilo.com
5:16
The Three Isotopes of Hydrogen | Differences & Properties
已浏览 8.7万 次
2016年1月17日
Study.com
4:41
Henry Cavandish, ഹെന്റി കാവന്ഡിഷ്, ജീവചരിത്രം
已浏览 481 次
2020年4月17日
YouTube
25:02
Universe Sandbox ² 2024 08 15 09 00 01
3 个月之前
YouTube
Kodu_G72
0:14
The Science Fact on Instagram: "In the core of the sun, Hydrogen (Mass) is converted into Helium by a process called Nuclear Fusion. During this process energy is released in the form of sunlight (Energy). . . . #alberteinstein #michiokaku #astrophysics #physics #solarsystem #carlsagan #astronomy #spacescience #scientist #supernova #blackhole"
已浏览 9.9万 次
2022年12月22日
Instagram
thesciencefact_com
Calculate the mass of hydrogen formed when 27 g of aluminum reacts with excess hydrochloric acid according - brainly.com
1 个月前
brainly.com
观看更多视频
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
Invisible focusable element for fixing accessibility issue
反馈
反馈
