可再生能源英文
可再生能源renewable energy
sources英 [rɪˈnjuːəbl ˈenədʒi ˈsɔːsɪz]美 [rɪˈnuːəbl ˈenərdʒi ˈsɔːrsɪz]
可再生能源;可再生资源;再生能源;可更新资源;可更新的能源
1.随着时间的推移,可再生能源将变得愈发重要。Renewable energy will become progressively moreimportant as time goes on.
2.风能作为动力的成功是对可再生能源一次立见分晓的检验。The success of wind power represents a litmustest for renewable energy.
可再生能源(英语:Renewable Energy)是指风能、太阳能、水能、生物质能、地热能等非化石能源,是清洁能源。可再生能源是绿色低碳能源,是中国多轮驱动能源供应体系的重要组成部分,对于改善能源结构、保护生态环境、应对气候变化、实现经济社会可持续发展具有重要意义。
The method and process of making biodiesel by transesterification and the study of optimum condition for making the highest yield of biodiesel are introduced.
Biodiesel,used as a kind of environmentally friendly and renewable energy has quickly developed in recent years.
The most commonly used method for preparation of biodiesel is transesterification of vegetable oils and animal fats via homogeneous base or acid catalysts.
In order to improve the lipase activity of the Rhizopus oryzae strain which is used for producing biodiesel fuel,ultraviolet mutation is employed in this research.
The biodiesel fuel is a green renewable energy resource.
The characteristic of soapstock were described,its application in producing phosphatide,biodiesel fuel,fatty acid and so on were also discussed.
At present,countries around the world are setting off bio-diesel development and utilization.
The condition factors in ethanolysis reaction,namely the reaction of rapeseed oil with ethanol catalyzed by lipase LVK,to produce bio-diesel were investigated,and the factors included molar ratio of ethanol to oil,catalyst dosage,reaction temperature,reaction time,and so onthe effect of organic solvent and the procedure of ethanol addition were also investigated.
This article introduces the process and the technique of producting bio-diesel by trans-esterification.
生物柴油酯交换反应,使得生物柴油的产量最高的最佳条件研究的方法和过程进行了介绍。
生物柴油,作为一种环保和可再生能源,已迅速发展,近年来
最常用的方法。制备生物柴油的植物油和动物脂肪通过同质化基地或酸催化剂的酯交换反应。
为了提高脂肪酶的活性根霉株,其中用于生产生物柴油燃料,采用紫外线诱变研究
生物柴油燃料。绿色可再生能源资源。
皂脚的特点进行了阐述,还讨论了其应用在生产磷脂,生物柴油,脂肪酸等。
目前,世界各国都掀起了生物柴油的开发和利用
的条件在的ethanolysis反应,即菜籽油乙醇LVK脂肪酶催化反应的,生产生物柴油的因素进行了调查,并的因素包括石油,催化剂用量,反应温度,反应时间,因此乙醇的摩尔比有机溶剂和乙醇除了程序的效果进行了研究。
本文介绍producting转酯化生物柴油的过程和技术。
With rising fuel costs, climate change concerns and a growing demand for electricity, renewable energy resources such as solar power are becoming an increasingly valuable part of the world's energy mix. Around the globe, businesses and homeowners are harnessing the power of the earth's most abundant natural resource - sunlight - to provide energy using solar power.
GE's solar electric power systems and products offer high quality, reliable power generation for residential, commercial and industrial applications. By partnering with the sun, solar energy can supply local power for on-and off-grid applications with zero noise pollution and air emissions.
掌握太阳
与不断上涨的燃料成本,气候变化的关注和对电力的需求日益增加,可再生能源资源,如太阳能发电正在成为越来越有价值的一部分,世界上能源结构。全球各地的企业和业主都掌握了地球上最丰富的天然资源-阳光-提供能源利用太阳能发电。
The sun light in the semiconductor pn junction, the formation of a new hole - electron pairs in the pn junction of the role of the electric field, the hole flow from the n area p areas, electronic flow n by p zone area, connected to the circuit after the current form. This is the photoelectric effect of the working principle of solar cells.
First, the way solar power generation solar power in two ways, one is light - heat - electricity conversion mode, and the other is light - electric direct conversion approach.
(1) light - heat - electricity conversion of solar radiation through the use of thermal energy generated by power generation, is normally provided by solar collectors to heat absorbed by refrigerant into steam, and steam turbine-driven power generation. A process before it is light - heat conversion processafter a process of heat - electricity conversion process, as with an ordinary power. Drawback of solar thermal power generation is highly inefficient and costly, it is estimated that at least its investment than the average fire Power your 5 to 10 times. a 1000MW of solar thermal power plants need to invest 20 to 25 billion U.S. dollars, an average of 1kW of investment from 2000 to 2500 U.S. dollars. Therefore, at present, can only be applied to small-scale special occasions, and large-scale use in the economy is very uneconomical, but also with ordinary competing power plant or nuclear power plants.
(2) Optical - Electric direct conversion approach is the use of the photoelectric effect, solar radiation will be directly converted into electrical energy, light - the basic power conversion is the solar cell device. Solar cell is a kind of volts due to the effects of photovoltaic solar energy will be directly converted into electrical energy device is a semiconductor photodiode, when the sun's light to the photodiode, the photodiode will be the sun's light energy into power, resulting in current. When many cells are connected in series or parallel can be up to become a relatively large output power of a square solar cells. Solar cells is a promising new type of power supply, with a permanent, clean and flexibility of the three major advantages. Solar battery life long, as long as there is sun, solar cells can be an investment in long-term useand thermal power, nuclear power generation compared to solar cells will not cause environmental pollutionXinhuanet both solar cells can be as large as one million kilowatts of medium-sized power plants, small enough to only use a solar battery, which is unmatched by other power
通用电气公司的太阳能电力系统和产品提供高品质,可靠发电的住宅,商业和工业应用。通过与太阳,太阳能可以提供当地的电力,供市民和离网应用与零噪音污染和废气排放
太阳光照在半导体p-n结上,形成新的空穴-电子对,在p-n结电场的作用下,空穴由n区流向p区,电子由p区流向n区,接通电路后就形成电流。这就是光电效应太阳能电池的工作原理。
一、太阳能发电方式太阳能发电有两种方式,一种是光—热—电转换方式,另一种是光—电直接转换方式。
(1) 光—热—电转换方式通过利用太阳辐射产生的热能发电,一般是由太阳能集热器将所吸收的热能转换成工质的蒸气,再驱动汽轮机发电。前一个过程是光—热转换过程;后一个过程是热—电转换过程,与普通的火力发电一样.太阳能热发电的缺点是效率很低而成本很高,估计它的投资至少要比普通火电站贵5~10倍.一座1000MW的太阳能热电站需要投资20~25亿美元,平均1kW的投资为2000~2500美元。因此,目前只能小规模地应用于特殊的场合,而大规模利用在经济上很不合算,还不能与普通的火电站或核电站相竞争。
(2) 光—电直接转换方式该方式是利用光电效应,将太阳辐射能直接转换成电能,光—电转换的基本装置就是太阳能电池。太阳能电池是一种由于光生伏特效应而将太阳光能直接转化为电能的器件,是一个半导体光电二极管,当太阳光照到光电二极管上时,光电二极管就会把太阳的光能变成电能,产生电流。当许多个电池串联或并联起来就可以成为有比较大的输出功率的太阳能电池方阵了。太阳能电池是一种大有前途的新型电源,具有永久性、清洁性和灵活性三大优点.太阳能电池寿命长,只要太阳存在,太阳能电池就可以一次投资而长期使用;与火力发电、核能发电相比,太阳能电池不会引起环境污染;太阳能电池可以大中小并举,大到百万千瓦的中型电站,小到只供一户用的太阳能电池组,这是其它电源无法比拟的
可再生能源(英语RenewableEnergy)是指风能、太阳能、水能、生物质能、地热能、海洋能等非化石能源,是取之不尽,用之不竭的能源,是相对于会穷尽的不可再生能源的一种能源,对环境无害或危害极小,而且资源分布广泛,适宜就地开发利用。
我国可再生能源具有丰富的资源量。其中水电技术开发量为6.6亿千瓦,到“十二五”末只开发了30%,风电技术开发量102亿千瓦,已开发量为1.5亿千瓦,截至2016年底,我国太阳能发电662亿千瓦时,仅占到储量的万分之0.16。当然,可再生能源的开发量与煤炭、石油不可直接对比,但通过数据显示,我国可再生能源资源丰富,但开发程度较低,具备广阔的发展前景。
英文名称:renewable energy resourcesrenewable energy
定义1:具有自我恢复原有特性,并可持续利用的一次能源。包括太阳能、水能、生物质能、氢能、风能、波浪能以及海洋表面与深层之间的热循环等。地热能也可算作可再生能源。
所属学科:电力(一级学科);电力规划、设计与施工(二级学科)
定义2:在自然界中可以不断再生并有规律地得到补充或重复利用的能源。例如太阳能、风能、水能、生物质能、潮汐能等。
所属学科:资源科技(一级学科);能源资源学(二级学科)
非再生能源
英文名称:non-renewable energy
定义:经过亿万年形成的、短期内(以人类历史尺度衡量)无法恢复、不能重复再生的自然能源。例如煤、石油、天然气、化学能
所属学科:资源科技(一级学科);能源资源学(二级学科)
Wind power an inexhaustible, low cost, tiny faults turbine noise pollution is limited by region
Water for water and air pollution little flaw is limited by region dam will influence ecological environment
Geothermal energy is an inexhaustible, no pollution faults is limited by region agree with 33 | comment (2)
太阳能 转化成其它能速度快.利用价值高,用之不竭,污染极小.缺点 费用昂贵.
风能 用之不竭,成本低,污染极小 缺点 涡轮噪音大受地域限制
水能 对水和空气污染小 缺点 受地域限制水坝会影响生态环境
地热能 用之不竭,没有污染 缺点 受地域限制赞同
2. Which way should be chosen by our national biological and chemical industry
3. developing low-carbon technology and promoting green economy
4. the application of new technology in renewable energy
5. the improving technology of large wind turbines is actively promoted by USA
6. EGS terrestrial heat resource: the green hope to satisfy the long term demand of energy for USA
7. the increasing investment fascination to water and electricity industry in romote districts of Europe
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