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solar energy applications
相关语句
  太阳能应用
     Solar Energy Applications in Developing Countries(partⅠ]
     发展中国家的太阳能应用(第一部份)
短句来源
     SOLAR ENERGY APPLICATIONS IN DEVELOPING COUNTRIES\ (PartⅡ)
     发展中国家的太阳能应用(第二部分)
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  “solar energy applications”译为未确定词的双语例句
     Firstly, this paper makes a sufficient study in the solar energy applications and achievements in recent years, and then designs a 15kVA GCPV system. The paper carries out the details in the hardware topology, the DSP control board design, the main power items calculation.
     本论文在充分研究近年来光伏发电领域重要研究成果的基础上,设计了一套15kVA 的GCPV 系统,对GCPV 的拓扑结构设计、数字控制电路设计、功率元件计算给出了详细的设计要点和计算方法。
短句来源
     Photovoltaic pump system, which is an important kind of solar energy applications, have tremendous social and economical advantages.
     光伏水泵系统作为一种太阳能利用的重要形式,具有巨大的社会效益和经济效益。 对光伏水泵控制技术的进一步研究,有利于提高光伏水泵的可靠性并降低成本,有利于光伏水泵的推广应用。
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  相似匹配句对
     Desalination with Solar Energy
     太阳能海水淡化技术
短句来源
     Solar—hydrogen energy
     太阳——氢能技术
短句来源
     The energy of the N-
     N粒子的散射态和束缚态的能量分别为
短句来源
     The energy of D.
     根部能量的积累随放牧强度的提高而逐渐减少。
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     Solar Energy Researche and Its Applications in Israel
     以色列的太阳能研究及应用
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  solar energy applications
Residential solar energy applications can provide a significant fraction of the U.S.
      
These front surface mirrors present high and long thermal stability up to 300°C, good outdoor resistance, lower weight and the production method is simple and cheap enough to be applied in solar energy applications.
      
These front surface mirrors present high and long thermal stability up to 300°C, good outdoor resistance, lower weight and the production method is simple and cheap enough to be applied in solar energy applications.
      
This cooperation allows partners and stake holders to focus on building a strong market for solar energy applications in buildings.
      


There are three main possibilities for application of solar energy: photo-thermal conversion, photovoltaic conversion, and photochemical conversion.Therefore, photo-collection plays an important role in the solar energy application technology. Research on the interrelation between solar radiation and substances, exploration of methods for increasing photo-collective efficiences, as well as development of new optical-collective materials are important for solar energy application.At...

There are three main possibilities for application of solar energy: photo-thermal conversion, photovoltaic conversion, and photochemical conversion.Therefore, photo-collection plays an important role in the solar energy application technology. Research on the interrelation between solar radiation and substances, exploration of methods for increasing photo-collective efficiences, as well as development of new optical-collective materials are important for solar energy application.At present, the design and study of spectral selective coatings by use of optical interference filter are very interesting. These optical-collective coatings consist basically of a stack of one or more layers of alternating high and low refractive indices. Appropriate choice of refractive index, layer thicknesses and number of layers permits the development of advanced spectral-selective coatings.In order to design the useful optical-collective coatings, it is necessary to use a lot of materials, which have different indices of refraction. We have done the following: (1) Among the important optical parameters of more than 180 AB type compounds, the indices of refraction of different materials are reviewed; (2)The principles in the change of refractive index of materials are discussed with respect to chemical bond parameters; (3)The magnitude of refractive indices of some interesting materials is predicted.

利用光学干涉原理设计和研究光谱选择性涂层是当前太阳能利用研究的一个重要方面,这种涂层基本上都是由一些折射率高低不同的膜层交替叠合而成,只要适当选择不同折射率的材料,控制膜层厚度和层数,就可制成各种性能的采光涂层。本文从评价材料的重要光学常数折射率着手,从化学键参数出发,运用原子量、电负性、以及电荷-半径比等参数来研究材料的折光性。总结了单一元素、离子型卤化物、氧化物和非氧化物等近二百种材料的组成、结构、化学键参数与折射率的关系。探索各类材料的折射率变化规律,预测某些材料的折射率范围。

Water-sorption capacity of natural clinoptilolite and mordenite were lower than that of synthetic molecular sieves, such as A-type, X-type, and Y-type zeolites. An attempt of improving water-sorption capacity was made for the clinoptilolite by cation-exchange method to transform the exchangeable cations into hydrogen, sodium, potassium, ammonium, and calcium and by treatment with solutions of sodium hydroxide and hydrochloric acid. But the water-sorption capacities of the clinoptilolite before and after treatment...

Water-sorption capacity of natural clinoptilolite and mordenite were lower than that of synthetic molecular sieves, such as A-type, X-type, and Y-type zeolites. An attempt of improving water-sorption capacity was made for the clinoptilolite by cation-exchange method to transform the exchangeable cations into hydrogen, sodium, potassium, ammonium, and calcium and by treatment with solutions of sodium hydroxide and hydrochloric acid. But the water-sorption capacities of the clinoptilolite before and after treatment were 11.54 and 9.62-11.75 wt% respectively. So, as compared with original speciment, no obvious improvement instead a little deterioration for some specimens was observed. Adsorption isotherms for water vapor on clinoptilolite, mordenite, and synthetic 5A-type and 13X-type molecular sieves were determined. They exhibited obvious non-linear characteristics with the exception for the isotherms for the clinoptilolite, mordenite, and 13X-type molecular sieve with binder at 25℃. For these isotherms the water-sorption capacities of the zeolites were increased when the partial pressure of water vapor went higher than 15 mm Hg at 25℃. The reason for this Was thought to be the capillary condensation of water vapor in pores of the clay minerals presented in these zeolite specimens which occurred under lower temperature and higher partial pressure of water vapor. The fact that no similar behaviour was observed for 13X-type molecular sieves without binder was enough to prove the conclusion mentioned above. The differences in adsorbed water of the zeolites between 100℃ and 50℃, 100℃ and 25℃ were 4 wt% and 5 wt% to 6 wt% respectively by calculation based on the adsorption isotherms. From the results of isosteric heats measured it was concluded that the adsorption and desption of the zeolite for water vapor were essentially a physical process and the adsorbent and adsorbate would be inert to each other, that is, the zeolite and water vapor in the zeolite-water vapor system are chemically stable which is important for the absorption system.The maximun theoretical efficiency for cooling with a zeolite can be roughly examined by the heat of water vaporization (9.7 Kcal/mole) divided by the heat of water-sorption on the zeolite (12-19 Kcal/mole for natural zeolites). So natural zeolite have maximun theoretical efficiency of about 50-80%. It is thus clear that the heat of adsorption of zeolites is of critical importance for solar energy application.

用离子交换、酸和碱处理斜发沸石来提高它的吸水能力没有取得明显效果。测得的斜发沸石、丝光沸石吸附水的等温线具有非线性特征,但25℃的等温线在水蒸气分压高于2400Pa 时,斜发沸石、丝光沸石和有粘合剂的合成分子筛的吸水量随着分压的升高而增加。这是由于样品中含有粘土矿物产生水蒸气的毛细凝聚作用而引起的。根据沸石的吸附热和水的蒸发热,用沸石作为吸附剂和水作为工质能建立一个高效的沸石太阳能利用体系。

This paper presents the development, the history, the current states and the bright future of solar energy application in China.

本文论述了我国太阳能利用的历史、现状、特点及其发展前景.

 
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