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- Statistical analysis was made on the correlation of API and mass fraction of sulfur based on the price differences between 15 types of OPEC Crude oil and UAE Dubai crude oil. 以欧佩克15种原油与迪拜原油的价差,对美制密度(API)、硫的质量分数的相关性进行了统计分析。
- Total mass fraction of EPA and DHA can give 28.32%. EPA和DHA乙酯总含量(w)达到28?32%25。
- mass fraction of sulfur 硫的质量分数
- The mass fraction of isocyanurate was calculated by piperidine method. 采用六氢吡啶法测出了异氰腺酸酯的质量分数。
- The influence of paint coating number, mass fraction of diluent on film thickness and glossiness was studied. 研究了涂料涂装道数、稀释剂的质量分数对涂膜厚度和光泽度的影响。
- The fraction of the internal surface available for industrial vanadium catalysts in the oxidation of sulfur dioxide is rather small and becomes even smaller at higher conversions. 正>当传质与传热过程影响催化反应速度时,利用化学动力学方程式严格地计算反应的总速度是一个极其复杂的课题。
- For the conditions shown, maximum performance occurs at an additive mass fraction of 23%. 在所给定的条件下,最大性能是添加剂质量分量的23%25处。
- On the other hand, the mass fraction of TFE in the initial solution decreases and saves the cost of solution. 充注溶液所需TFE质量分数降低,溶液初投资减小等。
- The mass fraction of n-butene in mixed C4 from catalytic cracking after etherized was approximately 40%. 醚化后的催化裂化混合C4中含有质量分数约为40%25的正丁烯,是生产丙烯的优质原料。
- The heat, cold and water resistances are improved with the increasing mass fraction of polysiloxane in copolymer. 随着硅氧烷质量分数的增加,该共聚物的耐热性、耐寒性和耐水性均得到提高。
- The conversion of amorphism was the highest when the mass fraction of KOH was 8% and CH3COOK was 45%. 当KOH质量分数为8%25、乙酸钾质量分数为45%25时,油母页岩粉体的无定形转变率最高;
- The EDAX composition analysis demonstrates that the mass fraction of Y2O3 is closely related to ore-collophane. 通过EDAX能谱仪进行矿物成分分析,得出Y2O3质量分数与胶磷矿物密切相关的结论。
- When the mass fraction of the censphere was up to 18%, the impact strength of the composite would be the maximum. 当微珠质量分数达到18%25时,材料冲击强度达最大值。
- The dispersion temperature could be more effective than the mass fraction of DMPA. 水分散温度的作用较DMPA更为明显。
- The results showed the content of BPO, the mass fraction of VA had effects on the shape memory property of SMP. 通过对材料的形状记忆性能研究,发现BPO用量、醋酸乙烯酯(VA)质量分数都能影响材料的形状记忆性能;
- When the mass fraction of nano-ATO was 5%,the composites had excellent mechanical properties. 当纳米ATO的质量分数为5%25时,复合材料具有良好的物理机械性能;
- Decreasing proportion solvent increases the mass fraction of oleic acid and linoleic acid. 随着溶剂配比的降低.晶体中油酸和滤液中亚油酸的质量分数均提高。
- The soil absorbs only a fraction of the rain that beats down. 土壤只吸收猛打到地面上的雨水的一部分。
- There was the smell of sulfur, like burning tires. 那味道闻起来像是硫磺,像是燃烧的轮胎一样。
- Nano-montmorillonite-aliphatic PU elastomer synthesized from HMDI, PTMG1000 and MMT2 with 40% mass fraction of hard segment possesses better mechanical properties. 以HMDI、PTMG1000和MMT2为原料,硬段质量分数为40%25时,所合成的纳米蒙脱土-脂肪族聚氨酯弹性体具有较好的力学性能。