If I make the total energy positive, it's not an ellipse.
如果我让总能量为正,它就不是一个椭圆了。
Renewables will only make up 15 percent of total energy by 2020.
可再生能源在2020年只能达到总需求的15%。
How does total energy affect a reaction rate?
总能量如何影响反应速率?
Coal currently provides about 28% of the world's total energy use.
现在全世界能源消耗总量的28%由燃煤提供。
About 56 percent of total energy use comes from traditional biomass-mostly firewood.
根据该手册,全部能源利用的大约56%来自传统的生物原料—大多数是木柴。
Industry consumes about 32 percent of total energy, and that share is projected to grow.
工业大约耗费全部能源的32%,这个比例预计还会扩大。
So the kinetic energy has increased; the potential energy is the same, so the total energy is up.
所以动能增加,势能不变,所以总能量增加。
Personally I think we could reach the target of having renewables provide 20% of total energy consumption.
而我个人认为,我们可以达到(可再生能源占)总能源消耗20%的目标。
For ten years, spending on this program increased annually, and annual total energy consumption declined.
在开始的十年,在这项措施上的支出每年都在增加,而每年的总用电量下降了。
In Britain, nuclear power stations provide 19% of our electricity and account for 3.5% of our total energy use.
在英国,核电站提供了19%的电力,占总能源使用的3.5%。
According to the report, in Sub-Saharan Africa, 56 percent of total energy use comes from traditional biomass.
报告称,在南撒哈拉非洲地区,传统生物能利用量占能源总利用量的56%。
In other words, the same proportion of the total energy will be lost for a power-hungry plasma TV as for a tiny PDA.
换句话说,不管是高能耗的等离子电视机,还是小小的PDA,传输所损失的能量占总能量的比例是相同的。
Depending on a plant's design, the new membranes could reduce total energy consumption by as much as 20%, reckons Dr Hoek.
根据工厂的设计,这种新型薄膜可以把总耗能降低20%,Hoek博士估算。
Liquid biofuels have also increased in recent years, contributing to the growing renewable share of total energy consumption.
近几年液体生物燃料的使用也逐步增多,提高了可再生能源的消费份额。
So far, renewables account for a small share of its energy supply, although the overall target is a 15% share of total energy by 2020.
尽管到2020年的目标是可再生能源能源占总能源的15%,但是到目前为止,可再生能源只占很小的一部分。
For air-conditioning water system, the transmission power ratio of the total energy consumption increases with the system scale increases.
对于空调水系统来说,输送能耗占总能耗的比例随系统规模的增大而增加。
US studies have found the total energy required for bottled water production was as much as 2, 000 times the energy cost of producing tap water.
美国的研究发现,制造瓶装水所需要的总能源是制造相同量自来水的2000倍。
The good news: The International energy Association believes that renewable energy will grow from 8% of total energy use in 2009 to 13% in 2035.
好消息是:国际能源协会认为可再生能源将从2009年占总能源消费的8%上升到2035年的13%。
We will keep a reasonable control on the total energy consumption, increase efficiency, and bring down the excessive growth on high energy intensity industries.
合理控制能源消费总量,抑制高耗能产业过快增长,提高能源利用效率。
Millis' math is actually more optimistic than other studies, which have suggested you would need 100 times the world's total energy output to cover that distance.
事实上,米尔斯的计算要比其他类似的研究乐观许多,此前大部分科学家认为至少需要全世界100倍的能量才能航行同样的距离。
When it comes to cloud computing and energy, though, few companies appear willing to publish their total energy consumption or emissions, perhaps for competitive reasons.
在云计算和能源方面,也许是出于竞争力方面的考虑,几乎没有企业愿意公开自己的总能源消耗和排放。
Although today's universe is still expanding, Professor Hawking holds that the plus matter energy balances the minus gravitation energy, thus the total energy is zero.
虽说今天的宇宙还在膨胀,但霍金教授说:“正的物质能量刚好和负的引力能量相互平衡,这样就使得总能量为零。”
To meet the environmental objectives, some companies have pledged to reduce total energy consumption, while others have stated their intent to reduce their carbon footprint.
为了实现这些环境目标,一些公司决心降低总体能耗,而另一些公司也开始计划减少其碳排放量。
To meet the environmental objectives, some companies have pledged to reduce total energy consumption, while others have stated their intent to reduce their carbon footprint.
为了实现这些环境目标,一些公司决心降低总体能耗,而另一些公司也开始计划减少其碳排放量。
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