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a wide
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  广阔
    The chemicals determined from the bio-oil are valuable indicating a wide range of application of the bio-oil.
    对液化油成分的分析,表明了它具有广阔的应用前景。
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    The research on it is of great theoretic significance in China's macro scopical energy strategic decision making,exploiting new course of scientific fields and keeping sustainable development and it has also a wide application prospect.
    我国开展天然气水合物研究,对我国宏观能源战略决策、开拓新学科领域和社会可持续发展均有重要理论意义和广阔的应用前景。
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    Finally, it is pointed out that refrigeration system driven by solar energy will have a wide application prospect.
    指出太阳能驱动实现制冷的研究具有广阔的应用前景
短句来源
    The discovery of gas hydrates provided a wide sphere and a new way of thinking for searching clean and effective energy source to replace increasingly exhausted tradition energy source .
    天然气水合物的发现为寻找清洁高效的新型能源,以取代日益枯竭的传统能源提供了一个广阔的领域和新的思维方式。
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    Moreover in our country there are a wide realm and bright prospects for the exploration of gas hydrate.
    我国天然气水合物具有广阔的勘探领域和良好的勘探前景。
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  “a wide”译为未确定词的双语例句
    To improve efficiency of the solar heat collector,a wide band antireflective (AR) coating composed of nanostructure porous SiO 2 particles was designed and coated on the transparent glazing of a solar collector to reduce its reflectivity.
    为了提高太阳集热器的集热效率 ,必须抑制透明盖板表面的反射 ,纳米多孔 Si O2 薄膜可以达到宽带减反射效果。
短句来源
    This hybrid system can help in improving the energy efficiency and condensation heat recovery,and it is suitable for hot and humid climates and it is better for a wide range of outdoor conditions.
    该系统不仅可以进行冷凝热回收 ,节能效果明显 ,而且对高热、高湿地区以及气候变化有很强的适应性
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    This new kind of solar air heaters can be expected to have a wide potential application in areas such as solar drying and solar heating.
    这种结构简单的新型太阳空气加热器在太阳能干燥及采暖等领域有很大的潜在应用价值。
短句来源
    The crop straws growing for one year belong to biomass materials which are composed of high volatile and low carbonization degree. The content of lignin amount is only to 12% of the biomaterials, however, the content of cellulose over than 75% when heated up, straw can be convered to vaporous volatile in a wide range of temperature(105~550 ℃).
    生长期仅1年的作物秸秆属于高挥发分、低炭化度的物料,其木质素含量为12%,纤维素含量为75%。
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  a wide
Our approach is based on the study of the boundedness of integral kernel operators and extends the Strang-Fix theory, related to the approximation orders of principal shift-invariant spaces, to a wide variety of spaces.
      
When tested on a wide battery of receptors, including 5HT2A(h), 5HT3(h), α1, α 2, β1, β2, H1, H2, opioids, D1(h), D2(h), 5HT uptake, and DOPA uptake, compound 9 showed submicromolar affinity only for α2 (Ki = 205 nM) and H1 (Ki = 311 nM).
      
Several compounds have demonstrated growth inhibitory effects (GI50) in a wide range of cancer cell lines.
      
In general, all the synthesized compounds exert a wide range of modest in?vitro antifungal activity against Rhizopus and Microsporum gypsuem than the standard drug, fluconazole.
      
Simulation studies are presented which indicate that the asymptotic approximation to the finite-sample situation is good over a wide range of parameter configurations.
      
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This paper introduces 5kW wind turbine generator utilizing claw pole brushless self excited generator.The wind turbine generator adopts the optimum tip speed ratio control in connection with the voltage stabilizing control,which ensures not only the wind turbine to operate at the optimum efficiency in a wide range of wind speed,but the batteries to be safely charged also.The wind turbine generator and its control in this paper has worked...

This paper introduces 5kW wind turbine generator utilizing claw pole brushless self excited generator.The wind turbine generator adopts the optimum tip speed ratio control in connection with the voltage stabilizing control,which ensures not only the wind turbine to operate at the optimum efficiency in a wide range of wind speed,but the batteries to be safely charged also.The wind turbine generator and its control in this paper has worked safely and reliably for near 2 years.

介绍了采用爪极无刷自励发电机的5kW风电机组的性能特点。采用最佳叶尖速比控制和稳压控制相结合的控制方法,使风力机在额定风速以下及蓄电池没有充满时按最佳效率运行。当蓄电池接近充满时,控制风电系统稳压运行,保证蓄电池安全可靠充电。该风电机组及其控制已实际应用。

To improve efficiency of the solar heat collector,a wide band antireflective (AR) coating composed of nanostructure porous SiO 2 particles was designed and coated on the transparent glazing of a solar collector to reduce its reflectivity.In this paper,the optimal optical parameters of the coating was determined by theoretical calculation of the reflectivity by using optical principle of this films.Using different catalysts and controlling the molar ratio of reactors and other experimental parameters,SiO...

To improve efficiency of the solar heat collector,a wide band antireflective (AR) coating composed of nanostructure porous SiO 2 particles was designed and coated on the transparent glazing of a solar collector to reduce its reflectivity.In this paper,the optimal optical parameters of the coating was determined by theoretical calculation of the reflectivity by using optical principle of this films.Using different catalysts and controlling the molar ratio of reactors and other experimental parameters,SiO 2 sols with different particles were prepared by hydrolysis and condensation reaction of TEOS diluted in ethanol.SiO 2 coatings derived from such sols were prepared with the desired optical parameters of AR coating.The optical parameters of the coating is measured by ellipsometer and alpha step apparatus,the microstructure by SEM and the reflectivity by spectrophotometer.Over the range of 300~2500nm wavelength,the mean reflectivity of the glass substrate was 0.069,while that of glass with bilayer nanostructured SiO 2 coating is reduced to 0.012.

为了提高太阳集热器的集热效率 ,必须抑制透明盖板表面的反射 ,纳米多孔 Si O2 薄膜可以达到宽带减反射效果。理论分析获得了优化的纳米多孔复合 Si O2 宽带减反膜的光学参数 ,实验上通过 TEOS水解与缩聚反应 ,控制不同的催化剂、反应剂配比等条件 ,成功获得了不同颗粒的 Si O2溶胶 ,制得具有折射率可调的 sol- gel薄膜以及台阶折射率变化的双层纳米复合 Si O2 薄膜。薄膜的光学参数采用椭偏仪和台阶仪进行测量 ,薄膜形貌特征及结构通过 SEM观测 ,基底和薄膜的反射率则用分光光度计测量。在 30 0— 2 5 0 0 nm波段内玻璃表面的平均反射率 ,从未镀膜的 0 .0 6 9降低到镀膜后的 0 .0 12 ,实验结果与理论计算基本吻合。

SAHP system has a wide and wonderful future for its excellent performance in energy efficiency and environment protection. This paper epitomizes the design and installation of the experimental devices of SAHP system, as well as the measuring instrument system. In order to observe and measure the overall thermal performance of the system and the working performances of its major components, the space heating tests in winter have been done using this experimental device. Some important reference data for...

SAHP system has a wide and wonderful future for its excellent performance in energy efficiency and environment protection. This paper epitomizes the design and installation of the experimental devices of SAHP system, as well as the measuring instrument system. In order to observe and measure the overall thermal performance of the system and the working performances of its major components, the space heating tests in winter have been done using this experimental device. Some important reference data for design of the SAHP are presented based on the experiments, which can be used to the design and the verifying calculation of SAHP system.

开发新能源和节能是寻求能源出路的两大重要途径 ,太阳能热泵供热系统以其显著的节能性和环保性具有广阔的发展前景。该文简单介绍了太阳能热泵供热系统实验台及实验台测试系统的建设 ,着重介绍了太阳能热泵冬季供暖工况的实验研究 ,考察了系统的整体供热性能及主要设备的工作性能。根据实验研究的结果 ,提出了有关系统设计方面的参考数据

 
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