转动轮子只需要1.5千瓦时（5.4兆焦耳）的能量，这与使用8壶家用小水壶的能量大致相同。
It takes just 1.5 kilowatt-hours (5.4 M J) energy to rotate the Wheel -roughly the same as boiling eight small domestic kettles of water.
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.
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.
为便于比较，日产的新电动车，利夫，配备的是24千瓦时的电池。
For comparison, Nissan's new electric car, the Leaf, comes with a 24-kilowatt-hour battery.
用电，却很便宜，把Leaf的24千瓦时的电池组从空充满只需2.64美元。
Electricity, though, is pretty cheap, and filling a Leaf's 24 kilowatt-hour battery pack from empty should cost only about $2.64.
他表示，只有当电价高于1.3至1.5元每千瓦时，才有可能盈利。
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.
布置学生调查家里去年的用电量(千瓦时)和石油气消耗量(兆焦)。
Ask students to research their home electricity consumption (in kWh) and gas consumption (in MJ) of last year.
即使是最好的反渗透设备也需要3.7千瓦时的能源才能产出1000升的饮用水。
Even the best reverse-osmosis plants require 3.7 kilowatt hours (kWh) of energy to produce 1,000 litres of drinking water.
我们安装的电表以千瓦时为单位测量电量，并将读数远程传输到结算系统。
We install individual electric meters that measure electricity consumption in kWh and transmit the readings remotely to our system for billing.
电度表电度表记录系统中某一点的总电力输出，通常以千瓦时为记录单位。
Watt-Hour Meter A watt-hour meter records the total power output at a specific point in a system. Typical recording increment is in kW-hours.
该款汽车的电池容量为24千瓦时，相当于普通日本家庭两天的用电量，日产公司指出。
The Leaf batteries have a capacity of 24 kilowatt hours when fully charged, equivalent to the electricity used by the average Japanese household in two days, said the company.
该插件逃逸可上升到每小时40英里和40英里的10千瓦时锂离子电池组。
The plug-in Escape can go up to 40 miles per hour and 40 miles on its 10 kilowatt-hour lithium-ion battery pack.
但是健康饮食和电费单不同，这不仅仅是像减少千瓦时用电一样食用更少的盐或糖那么简单。
But a healthy diet isn't like an electricity bill; it's not as simple as using less salt or sugar as though you were cutting down on your kilowatt hours.
在前40英里，伏特仅由16千瓦时的锂电池储存电力供应，不使用任何燃料，不产生废气。
For up to the first 40 miles, the Volt is powered solely by electricity stored in its 16-kwh lithium-ion battery, using no fuel and producing no emissions.
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.
根据Mosquet的数据，日产Leaf汽车的24千瓦时锂电池组的成本是2万4千美元。
According to Mosquet's numbers, the 24 kilowatt-hour lithium-ion battery pack in the Nissan Leaf has a cost of about $24, 000.
但是健康饮食和电费单不同，这不仅仅是像减少千瓦时用电一样食用更少的盐或糖那么简单。
It's not as simple as using less salt or sugar as though you were cutting down on your kilowatt hours.
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.
一种方法是海水蒸馏，通过加热卤水可以得到浓缩的水蒸气，这种方法每淡化1立方米的海水需要10千瓦时的电量。
Some employ distillation, which needs about 10 kilowatt-hours (kWh) of energy per cubic metre of seawater processed. Brine is heated, and the resulting water vapour is condensed.
最初的太阳能薄膜模块可产能量为每瓦2美元左右，相当于15美分/千瓦时- 相当于全球许多市场的电力价格。
First Solar produces thin-film modules capable of creating energy at around $2 per watt, equivalent to 15 cents per kilowatt hour--matching electricity prices in many global markets.
定制的5.6千瓦时为每重量的最高容量(比能量密度的锂离子聚合物)高放电率能够充分权力起飞和爬升。
Custom built 5.6kwh lithium-ion polymer for highest capacity per weight (specific energy density) high discharge rate capable of full power takeoff and climb.
相比之下，西门子公司的电化学方法每立方米消耗1.8千瓦时的电量，并且有望被降至1.5千瓦时每立方米。
The Siemens system, by contrast, consumes 1.8kwh per cubic metre, and the firm hopes to get that down to 1.5kwh.
当这一车型的16千瓦时的电池组用尽时，它会自动切换到燃气发动机——这一转换过程非常平滑(在行驶中几乎无法察觉)。
When the car's 16-kilowatt-hour battery pack becomes depleted, the car automatically switches to a gas engine-a transition that is remarkably smooth (it's nearly impossible to discern on the road).
平均来说，一个普通四口之家每月用电量为800千瓦时，而大部分住宅屋顶太阳能电池板的发电量低于10千瓦。
A typical family of four people USES, on average, 800 Kwh per month and most residential rooftop units are of under 10kw capacity.
平均来说，一个普通四口之家每月用电量为800千瓦时，而大部分住宅屋顶太阳能电池板的发电量低于10千瓦。
A typical family of four people USES, on average, 800 Kwh per month and most residential rooftop units are of under 10kw capacity.
应用推荐