每千瓦时电能的生产都会排放一定量的 CO2。
The electricity production process will typically result in a certain amount of CO2 emission per KWH generated.
这些里程碑式的进步将使成投资收益每千瓦6美分。
根据我们的分析,我们每千瓦的发电成本为0.04美元。
‘Based on our analysis, the levelised cost of energy delivered from our airborne wind-energy systems will be $0.04 per kWh.’
不过,基于每千瓦成本对这些可选方案进行比较具有迷惑性。
But comparing alternatives on a cost per kilowatt basis is deceptive.
通常来讲,煤生产每千瓦时产出的二氧化碳约为天然气的两倍。
Coal typically produces almost twice as much carbon dioxide per kilowatt-hour as natural gas.
应用程序的可靠性可通过每千行代码中识别出的错误数来衡量。
Reliability of an application can be measured as the number of bugs identified per 1000 lines of code.
相比之下,高收入国家5岁以下儿童的死亡率为每千活产7例。
Set this against an average death rate for under fives in high income countries of 7 deaths per 1000.
太阳能热电厂的建造成本下降了10%,至每千瓦4,692美元。
The build cost for a solar thermal plant dropped 10% to $4, 692 per kilowatt.
平均起来,开发人员在他们写的每千行代码中会产生100到150个错误。
On average, developers make 100 to 150 errors for every thousand lines of code they write.
而排放硫、汞和煤灰的煤炭,其每千瓦时产能所造成的死亡人数仍将远远高于核能。
Coal, with its emissions of sulphur, mercury and soot, will continue to kill far more people per kilowatt hour than nuclear does.
因为氢生产是一种能量密集型工序,从甲烷获取氢每千瓦时将产生更多的二氧化碳。
The production of hydrogen from methane in converters will generate higher CO2 emissions per kilowatt hour since [hydrogen production] is an energy-intensive process.
但贫困国家的数字(每千名妇女57例)仍较富裕国家(每千人42例)高出甚多。
But the figures for poor countries (57 per 1,000) were much higher than in rich countries (42 per 1,000).
在任一给定的星系中观测到Ia型超新星的机会是很小的,每个星系每千年预期只有一到两次。
The chance of observing a type Ia supernova in any given galaxy is low. Only one or two are expected to pop off per galaxy per millennium.
从理论上说,这种反应堆的建造成本更低,因此按每千瓦造价来衡量,较传统反应堆更高效。
They're theoretically cheaper to build and thus more efficient on a cost-per-kilowatt basis than conventional reactors.
事实上,底面渗漏现象随处可见,供水商也接受了每日每千米管道3500升的最低漏水量。
Indeed, background leakage is so pervasive that water suppliers accept 3,500 litres of water per kilometre of pipe per day as the minimum achievable loss.
事实上,底面渗漏现象随处可见,供水商也接受了每日每千米管道3500升的最低漏水量。
Indeed, background leakage is so pervasive that water suppliers accept 3, 500 litres of water per kilometre of pipe per day as the minimum achievable loss.
当然如果你考虑到重复留言和其他随之而来的信息连结,实际每千次有效点击成本会再低很多。
Of course when you take into account the re-tweets and the other subsequent Twitter messages linking to the online store, the effective CPM goes down quite a bit.
设想中,该演示设备能让每千瓦电成本降到5美分活或者更低,这让燃煤发电厂的日子很不好过。
Ideally, that demonstration facility would hit a cost of 5 cents or lower per kilowatt, giving coal-fired plants a run for their money.
尽管和化石燃料相比它们还很不具备竞争优势,但基于每千瓦的成本计算,它们已比核能更占上风。
While they remain highly uncompetitive to fossil fuels, they have overtaken nuclear on a cost per kilowatt basis.
然后广告客户按照一个叫做CPM(每千次展示费用)的费率付费换取他们的广告短片向间接受众暴光的权利。
Advertisers then pay a rate, called CPM (cost per thousand), for the right to expose the implied audience to their spot.
在它的系统中,上传视频的人们可以直接将其内容授权给Metacafe并且每千次观看可获得5美元收入。
Under its system, those who upload videos can explicitly license their content to Metacafe and in return get paid $5 for every 1,000 views.
在之后的5年内每年攀升500亿瓦并帮助企业优化生产线,这样太阳能发电的价格将下降到6美分每千瓦时。
In the next five years, annual construction would rise to 5 GW apiece, helping firms optimize production lines. As a result, solar electricity would fall toward six cents per kWh.
自离婚率在2004年达到历史最高点每千对14.1以来,60岁以上的人群是所有年龄段中唯一一个离婚率继续保持上升的。
Since 2004, when the overalldivorce rate peaked at 14.1 per thousand, over-60s have been the onlypart of the population whose rates have continued to rise.
据传,雷诺-尼桑已经将每千瓦时成本控制在400美元以下,因此,如果能继续按此趋势,他们的汽车将会有更大的竞争力。
According to industry rumours, Renault-Nissan has got its costs down to below $400 per kwh, so if it can continue this progress its cars will become much more competitive.
令人鼓舞的是这种情况在全世界范围内正在下降,从1995年的每千名妇女(15至44岁)69例下降到2008年的55例。
An encouraging sign is that these are falling around the world, from 69 per 1, 000 women (in the 15-44 age range) in 1995 to 55 in 2008.
令人鼓舞的是这种情况在全世界范围内正在下降,从1995年的每千名妇女(15至44岁)69例下降到2008年的55例。
An encouraging sign is that these are falling around the world, from 69 per 1,000 women (in the 15-44 age range) in 1995 to 55 in 2008.
得益于性能更佳的涡轮和更大的发电量,自1990年以来,风力发电每千瓦时的成本从8 - 10美分下降下3.5 -4美分。
The cost of wind-power generation has come down from 8-10 cents to 3.5-4 cents per kWh since 1990 because of better turbines and higher volumes.
这个装置可以用来产生微量的能量。在实际中,可以通过制造出一只巨大的蘸水鸟来产生更多的能量——但是这样的话每千瓦电量的成本可真不低。
The units can be used to generate tiny amounts of power, and, in principle, giant dipping birds could be constructed which would generate more power-but at a prohibitively high cost per kilowatt.
以马拉维为例,该国是五岁以下儿童死亡率最高的十个国家之一,1990年平均每千例活产儿中有225例死亡,但2008年已下降到100例。
In Malawi, for example, that the country is the highest under-five child mortality rate, one of ten countries in 1990, per thousand live births in 225 deaths, but in 2008 had dropped to 100 cases.
以马拉维为例,该国是五岁以下儿童死亡率最高的十个国家之一,1990年平均每千例活产儿中有225例死亡,但2008年已下降到100例。
In Malawi, for example, that the country is the highest under-five child mortality rate, one of ten countries in 1990, per thousand live births in 225 deaths, but in 2008 had dropped to 100 cases.
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