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concentration ratio     
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  集中度
     Statistics data shows that concentration ratio indexes, just as CR4, CR8 and CR100, of circulation industry in China is 0.57, 0.81 and 2.81.This means that concentration in circulation industry is on a rather low level.
     测算表明,中国流通产业集中度CR4为0.57,CR8为0.81,CR100为2.81,极为分散。
短句来源
     Equity concentration ratio CR5 which is the sum of shares of the leading five shareholders and corporate performance present an inverse-U shape.
     农业样本上市公司前五大股东持股比例总和CR5所代表的股权集中度与公司绩效呈现倒U型特征;
短句来源
     (5) Good performance firms have characteristics of high state share proportion, low public share proportion, high concentration ratio and high degree of market competition.
     (5)绩优公司在股权结构和市场竞争程度上具有以下特征:较高的国有股比例、较低的流通股比例、较高的股权集中度。 在市场竞争类别上,绩优公司具有较高的市场竞争程度。
短句来源
     In structure, the concentration ratio, economy of scale, differentiation of product and barrier to entry and exit are discussed, which comes to a conclusion that the Chinese construction enterprises are being in excess-competition.
     市场结构方面,就市场集中度、规模经济、产品差异化以及进入和退出壁垒等要素分别进行了实证考察并将其与国外发达的建筑市场的指标进行了对比,提出我国建筑业处于过度竞争的原子型竞争格局的结论。
短句来源
     A Study on Equity Concentration Ratio, Corporate Governance and Corporate Performance of Chinese Listed Companies
     中国上市公司股权集中度、公司治理与绩效研究
短句来源
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  浓度比
     According to the "Volume Compensation" (VC) formula, the optimal concentration ratio(a/β) of the dopant ions, Lu~(3+) and Nd~(3+) in Lu_α Nd_β Y_(1-α-β)AlO_3 crystal is calculated.
     根据“体积补偿”(VC)公式计算了Lu_αNd_βY_(1-α-β)Alo_3晶体中掺质离子Lu~(3+)和Nd~(2+)的质佳浓度比(μ/β)。
短句来源
     At the concentration ratio of 1∶1,the LC50 of PCE and Cd in 24,48,72 and 96 h was 17.00,11.81,10.61 and 9.19 mg·L-1,and 17.00,11.81,10.61 and 9.19 mg·L-1,and the AI was 0.39,0.70,0.51 and 0.54,respectively,and the joint toxicity was also synergistic.
     二者浓度比为1∶1,暴露时间为24、48、72和96 h时四氯乙烯和镉的LC50分别为17.00、11.18、10.61和9.19 mg. L-1,AI分别为0.39、0.70、0.51和0.54,联合作用为协同作用.
短句来源
     The experiments showed that the optimum conditions are:the reaction temperature 105 ℃,the concentration of 2-methylpyridine 0.075 mol/L,the concentration ratio of K2Cr2O7 to 2-methylpyridine 2∶1,the concentration of sulfuric acid was 9 mol/L,the reaction time was 2 h. The highest yield was 87.7%,the conversion was 97.6%,and the selectivity was 89.8%.
     实验表明,最佳反应条件:反应温度105℃,2-甲基吡啶摩尔浓度为0.075mol/L,重铬酸钾与2-甲基吡啶浓度比为2∶1,硫酸浓度为9 mol/L,反应时间为2 h,其转化率可达97.6%,2-吡啶甲酸的色谱产率可达87.7%,选择性为89.8%.
短句来源
     The concentration ratio of H_2O_2 and Fe~(2+) was to a certainty effect, which of 7:1 was the optimum.
     H_2O_2和Fe~(2+)浓度比对污染去除效果有一定影响,二者的最佳投加比为7:1;
短句来源
     In this paper the Cd(Ⅱ) -glycinamide complex system was studied by differential pulse polarography ( DPP) at cadmium total concentration 1. 00 × 10-4 - 5. 00 ×10 -4mol·dm -3, fixed total-ligand to total-metal concentration ratio 50 - 200 and varied pH.
     在Cd(Ⅱ)离子浓度为1.00×10-4-5.00×10-4mol·dm-3、配体与金属浓度比为50-200条件下,改变溶液的pH值, 用示差脉冲极谱技术研究Cd(Ⅱ)-氨基乙酸酰胺体系。
短句来源
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  集中率
     Productivity,Concentration Ratio and Scale Economy——An Empirical Analysis on the Wrist Watch Industry
     生产率、集中率与规模经济——对手表行业的实证分析
短句来源
     (5) In the north region of JiangHuai valleys, the rainstorm, rainstorm days, and the rainstorm concentration ratio in MeiYu period mainly show periodic variations ofquasi-five years and 2-3 years, the rainstorm intensity shows periodic variation of quasi-seven years, the rainstorm contribution ratio shows periodic variation of 6 years and 3 years.
     (5)江淮北区梅雨期暴雨量、暴雨日数和暴雨集中率都主要存在准5年和2~3年振荡的周期特征,梅雨期暴雨强度主要存在准7年的振荡周期,梅雨期暴雨贡献率则主要存在6年和3年的振荡周期。
短句来源
     This paper, with the aid of econometrics, positively analyses the productivity、the concentration ratio、the scale economy and their relationships in wrist watch industry.
     籍助计量经济学,实证分析了手表行业的生产率、集中率、规模经济以及它们之间的相互关系。
短句来源
     A Research on the Relationship Between Productivity and Concentration Ratio
     工业生产率与集中率关系的研究
短句来源
     METHODS:To calculate HHI and Concentration Ratio of pharmaceutical industry in 1990~1996.RESULTS & CONCLUSION:Nowadays market concentration of pharmaceutical industry is low,but the tendency of concentration is distinct.
     方法 :考察了1990年~1996年制药行业的赫芬达尔 -赫希曼指数 (HHI)和集中率指标。 结果与结论 :目前我国制药行业市场相当分散 ,但是集中趋势明显。
短句来源
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  浓缩倍率
     On-line Monitoring the Concentration Ratio of the Recycle Water Using Conductivity Method
     电导率法在线监测循环水浓缩倍率
短句来源
     The study results show that when the vacuum of the condenser and other heat exchange conditions are kept unchanged,an increase in heat exchange coefficient at the steam side of condenser heat exchange tubes can raise the critical fouling heat-resistance,thereby enhancing the concentration ratio of the circulating water and attaining the aim of saving water for the circulation water system along with the securing of sizable water-saving and environmental protection benefits.
     研究表明,在凝汽器真空和其它换热条件不变时,增大凝汽器换热管汽侧换热系数可以增大临界污垢热阻,从而提高循环水的浓缩倍率,达到循环水系统节水的目的,并且带来可观的节水效益和环保效益。
短句来源
     Experimental Research of High Concentration Ratio Treatment Technology of Circulating Water By Supply- Water Weak Acid Handling System
     弱酸处理补充水时的循环水高浓缩倍率试验研究
短句来源
     In this paper the relation between circulating cooling water by high concentration ratio and water saving is introduced,the possibility of the improvement for high concentration ratio is discussed,the current approaches and the factors restricting high concentration ratio are also described.
     介绍了循环水浓缩倍率与节水的关系,提高浓缩倍率的可能性与经济效益,高浓缩倍率循环冷却水处理的现行技术以及限制浓缩倍率的因素。
短句来源
     Actual operation shows that,using the stabilizer can secure the concentration ratio in the process and corrosion speed and meet the design requirements.
     现场实际运行结果表明 ,该水质稳定剂能保证该系统运行时的浓缩倍率及腐蚀速率满足设计要求。
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  concentration ratio
The nonselective, selective and double-selective spin-lattice relaxation rates of some protons in huperzine E were acquired in the absence and presence of AchE at a concentration ratio of [ligand]/[protein] = 1: 0.005.
      
When the initial concentration of indole was 150 mg/L, the concentration ratio of indole to pyridine was in the range of 1-10.
      
It is found that the character of aggregates and the degree of their influence depend on the PM-to-PEI concentration ratio, polymer structure, and reaction temperature.
      
It is shown that the vapor composition depends on the concentration ratio of sodium and boron oxides in the condensed phase.
      
It is shown that the basicity of melts increases with an increase in the Na2O content at a constant concentration ratio of glass-forming oxides.
      
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