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- volume fraction changing rate 体积比变化速率
- Left ventricular (LV) functional parameters such as LV volume, LV ejection fraction, ratio of LV systolic peak-pressure and LV end-sysfolic volume(P/V), ratio of LV pressure changing rate (-dp/dt/+dp/dt), etc. 38 patients were studied. 本文在38例患者中测定了左室容积和射血分数、左室收缩期峰压/左室收缩末期容积比值(P/V)及左室压力变化速率比值(-dp/dt/+dp/dt)等常用的几个左室功能参数。
- The effects of particle volume fraction, tensile rate and interface bonding strength on the properties of GB/HDPE composites were studied by tensile test and SEM observation. 通过GB／HDPE的拉伸实验和断口形貌分析，研究了颗粒体积分数、拉伸速率、界面强度对GB／HDPE复合材料力学性能的影响。
- The more liquid volume fraction in the tank is, the less finial pressure is. 相同充满率下，初始压力对工作时间影响较小。
- The breakthrough adsorption capacity of the resin was 39.42 mg/g dry resin at a feeding concentration of 9 mg/mL and a flow rate of 1.8-2.0 BV/h. 2.5 BV of 70%(volume fraction) ethanol could completely elute the polyphenols adsorbed on the column. 以质量浓度9 mg/mL的石榴皮提取液上柱;流速为1.;8~2
- Increasing O2 volume fraction can improve the development of streamer and heighten the discharge current, which is helpful to increase NO removal rate and NO conversion rate into NO2. 提高O2体积分数能够促进流光电晕的发展，增大放电电流，从而提高NO的脱除率以及NO向NO2的转化率。
- CONCLUSION The partition coefficient for volatile anesthetic in lipid emulsion accordes with volume fraction partition coefficient concept. 结论挥发性麻醉药在脂肪乳中的分配系数符合容积比分配系数的概念。
- Furthermore, the bond splitting tensile strength increases with addition of steel fiber volume fraction. 在一定范围内,随钢纤维体积率的增加,钢纤维混凝土与老混凝土粘结劈拉强度明显提高。
- Optimum wear reduction was obtained when the volume fraction of Kevlar pulp is 40 Vol%. 当纤维体积分数为40%25时，复合材料的比磨损率最小；
- The latter one was responsible for a change in solid volume fraction when the material passes the discon... 为在实际触变塑性成形工艺分析中的进一步应用奠定了理论基础。
- The experiment deter-mines their hardness,their microorganizations as well as their Carbide Volum Fraction. 对宏观硬度、碳化物数量与耐磨性进行了相关分析。
- The higher malignancy changing rate was shown in the granulation type and verrucous form type. 癌变组平均年龄为53.;4岁。白斑类型以颗粒型和庆状型恶变率较高。
- By taking use of the limit of entropy density on free energy density,it deduces changing rate of entropy density. 利用熵密度对自由能密度的限制,导得熵密度变化率。
- The volume fraction of methane,ethane, n -butane and propane are increased with the increase of dose. 甲烷、乙烷、丙烷和正丁烷的体积分数都随吸收剂量的增加而增加;
- The effects of volume fraction and concrete strength on tensile strength of SFRC are analyzed with an experiment. 通过试验，分析了钢纤维混凝土极限抗拉强度与钢纤维体积掺率及基体强度等级的关系。
- Export have benefit from the fall in the ex change rate. 汇率的下跌是出口授意。
- The major problems involved in fabricating large, high fiber volume fraction components by RTM, are discussed. 阐述了RTM工艺应用于大尺寸,高纤维含量构件时存在的主要问题。
- Export has benefit from the fall in the ex - change rate. 汇率的下跌是出口授意。
- The compressibility of fabric preforms,involved in the fiber volume fraction(Vf) in the compress process,was studied. 研究了预定型织物在压实阶段的可压缩性,涉及压缩过程中纤维体积含量的变化特点。
- Export have benefit from the fall in the ex- change rate. 汇率的下跌是出口授意。
