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This has quite bad influence on social economy development . In the paper, we try to find the key problem in venture capital entry in China by sufficient material collection, statistic, analysis and related comparison with the most developing countries.
本文通过对目前中国风险投资进入现状的分析及与国外的比较,发现问题并依据影响风险投资进入的因素和国外经验借鉴,提出完善建设中国风险投资进入机制的观点和措施。
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The usual infrared thermoelectrical material are enumerated with its essential parameters in the article,and the main progress home and abroad is explained by comparison.
文章列出主要常规红外热释电材料及其主要参数,在对它们进行比较的同时,着重阐述国内外近年来红外热释电材料在红外热释电探测器方面应用研究的主要进
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The Mg-rich volcanic rocks consist of high-Mg decite and high-Mg basalt which are the products of congenetic magma,in Ashele are, Xinjiang. In comparison with tholeiite, their εNd are obviously low, implying that they are contaminated by the oceanic sediments during their forming process.
阿舍勒富镁火山岩由高镁英安和高镁玄武岩组成它们可能是同源岩浆的产物,与共生的拉斑玄武岩相比,富镁火山岩钕同位素明显富集,反映在其形成过程中受到了大洋沉积物的混染。
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As a practical application, a designed truss beam bridge is analyzed by the program LSAP, and the result comparison with an analytical method is given in the paper.
文中对一桁梁桥设计方案进行了实际计算,并与桁梁桥挠曲扭转理论计算结果进行了对比。
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In comparison with dendritic silver growth 1, the experimental results show that the growth of silver is leading and can not be changed essentially by tungstate ions in Ag-W binary system.
通过与树枝Ag生长 [1]的比较,实验表明在Ag-W二元体系中Ag的生长为主导,而且不受钨酸根离子大的影响。
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By comparison, 42% of unaffiliated voters regard himfavorably, with 15% very favorable toward him.
相比之下,42%的中间选民对他抱以好评,而15%的人给了他最高评价。
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The reliability of generation and transmission systems integrated with large scale wind farms was evaluated by comparison of different integration solutions.
通过对比不同的接入方案,充分评估大规模风电场对发输电系统可靠性的影响。
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So amendatory expressions on the wall of borehole were given in the article by comparison the results computed with the two methods, and validation was also given.
因此,文章对两种计算方法进行分析比较,给出了简化计算负荷方法针对钻孔壁处的修正公式,并用实例对修正公式进行了验证。
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Therefore, the method greatly improves the calculation of the axisymmetrical field. Several different cases are calculated by the method. Comparison with FEM-BEM technique shows that the present method is accurate and very efficient.
几组典型数据的计算结果与FEM-BEM组合法计算结果的比较表明,本文的方法是准确、快速的,这一计算方法的高效率使其可应用于涡流无损检测中缺陷的重构。
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To study the bioactive components from water soluble extract of the Chinese eaglewood, various column chromatography of Chinese eaglewood led to the isolation of ten compounds. Their structures were elucidated as 2,3-bis(3-hydroxyphenyl)- propan-1-ol (1), [(2R,3R)-3-(4-amino-3,5-dimethoxyphenyl)oxiran-2-yl]methanol (2), 8-chloro-4'- methoxy-5,6,7,3'-tetrahydroxy-2-(2-phenethyl)-5,6,7,8-tetrahydrochromone (3), 4'-methoxy-5,6,7,3'-tetrahydroxy-2--5,6,7,8-tetrahydrochromone (4), the isomer of 4 (5), 4'-methoxy-5,6,7,8-tetrahydroxy-2-(3'-hydroxyphenethyl)-5,6,7,8- tetrahydrochromenone (6), 4'-methoxyisoagarotetrol (7), 6-hydroxy-2-(2-hydroxy-2- phenethyl)-chromone (8), 6-hydroxy-2-(2-phenethyl)-chromone (9), 6-hydroxy-2-(4'- hydroxy-2-phenethyl)-chromone (10), and Guaiacylacetone (11) by means of spectral analysis and comparison with references.
为了进一步发现沉香中具有生理活性的化学成分,本文对国产沉香的水溶性成分进行了研究,从中分离得到11个化合物,通过红外、紫外、质谱、核磁共振(1H-NMR, 13C-NMR, COSY, HSQC, HMBC, ROESY)波谱解析,分别鉴定为:2,3-二(3-羟基苯基)-丙-1-醇(1),[(2R,3R)-3-(4-氨基-3,5-二甲氧苯基)-2-氧化烯基]甲醇(2),8-氯-4'-甲氧基-5,6,7,3'-四羟基-2-(2-苯乙基)-5,6,7,8-四氢色原酮(3),4'-甲氧基-5,6,7,3'-四羟基-2-(2-苯乙基)-5,6,7,8-四氢色原酮(4),化合物3的差向异构体(5),4'-甲氧基-5,6,7,8-四羟基-2-(3'-羟基-2-苯乙基)-5,6,7,8-四氢色原酮(6),4'-甲氧基异沉香四醇(7),6-羟基-2-(2-羟基-2-苯乙基)色原酮(8),6-羟基-2-(2-苯乙基)色原酮(9),6-羟基-2-(4'-羟基-2-苯乙基)色原酮(10)和Guaiacylacetone (11)。
- 推荐网络例句
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Fancy gold-plated dangling earrings with facetted White Opal crystals.
花式镀金悬垂耳环与facetted白欧泊水晶。
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This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.
本文选取石家庄市初中生物教师作为研究对象,运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查,调查结果发现,石家庄市初中生物教师这一群体普遍存在职业倦怠,情感枯竭程度偏高,成就感偏低,去个性化程度最为严重。
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In measurements of a day,generallyspeaking,the photosynthesis of birch in mesophytic habitat is better than that in xerophytichabitat(peak values are 12.8,10.33μmolCO2m-2s-1 respectively);that of sexual birch inmesophytic habitat is better than that of clone birch(peak values are 9.87,6.71μmolCO2m-2s-1respectively);that of young tree is better than that of seedling(peak values are12.37,10.05μmolCO2m-2s-1 respectively).
在一天中的各个时刻,总体说来,中生生境生长的白桦光合作用超过旱生生境生长的白桦光合作用(净光合速率峰值分别为12.8、10.33μmolCO2m-2s-1);白桦幼树的光合作用超过白桦幼苗(净光合速率峰值分别为12.37、10.05μmolCO2m-2s-1);中生生境有性白桦的光合作用超过无性白桦的光合作用(净光合速率峰值分别为9.87μmolCO2m-2s-1、6.71μmolCO2m-2s-1)。