实证分析显示,混合分数布朗运动可以很好的拟合股票收益的长期依赖性及动量效应。
Empirical analysis shows Brownian-fractional Brownian model can fit the long-term dependence and the momentum effects of stock returns well.
研究了基于混合分数布朗运动的债券市场上的价格预测、马尔科夫短期利率和套利问题。
In this article, we focus on the prediction for bond price, arbitrage and Markovian short rates in the bond markets based on mixed fractional Brownian motion.
在这篇文章中,我们得到了关于混合分数布朗运动的B-D-G型的极大不等式上界。
This paper discusses the upper bound of maximal inequalities for the mixed fractional Brownian motion which is similar with the classic B - D - G inequalities.
混合分数平衡化学反应模型和离散液滴模型能准确地预测煤油在双模态燃烧室内的喷雾燃烧。
The mixture-fraction equilibrium chemistry model and discrete droplet model can predict correctly kerosene spray supersonic combustion.
对火的描述采用混合分数燃烧模型,模型中忽略燃烧过程中的反应机理,应用了层流扩散火焰理论和单步不可逆快速反应假定。
The fire was modeled by the mixture fraction combustion method with chemical reaction mechanisms neglected. Laminar diffusion flame theory with one-step irreversible fast reactions is assumed.
混合动力汽车尽管比它们的传统车型重量大、价格高,但仍旧能在油耗和性能上得到足够高的分数以跻身排名。
The hybrids, though heavier and more expensive than their conventional brethren, still achieved good enough gas mileage and reliability scores to make the ranking.
我们的问题是,如果我们被问到多少,如果给定总的压强和温度,我们还需要知道什么,才能知道混合的摩尔分数?
And our question is, what we're going to be asking is, how many, if I give you the total pressure and the temperature here, what else do I need to know to find out all these molar fractions?
考虑A和,在液态以一定的摩尔分数混合。
B We're going to have a molar fraction in the liquid phase for a and B.
许多人已经在做数字艺术与摄影的混合或是摄影掺杂部分数字艺术元素的事了。
Many people already have mixes of digital arts and photography, photography with digital arts elements in it.
随着无机盐质量分数的增大,混合表面活性剂胶束增大,剪切粘度发生改变。
With the increase of the mass fraction of inorganic salts, mixed surfactant micelles increases, the shear viscosity changes.
提高压力或增加混合溶剂中水的摩尔分数均能使木材转化率和萃取物产率增加,气体产率降低。
Wood conversion and extract yield increased and gas yield decreased with the increasing of pressure and the molar fraction of water in ethanol water mixture.
利用分离变量方法导出了在混合边界条件下的非齐次分数阶扩散-波动方程的解析解。
We derive the analytic solution of the non-homogeneous fractional diffusion-wave equation under the mixed boundary conditions using the method of separation of variables.
将质量分数分别为70%和30%的单酯和双酯混合,即得蒙克汀。
Monooctanoin was prepared by mixing monoglyceryl octoate and diglyceryl octoate with mass fraction was 70% and 30% respectively.
其拟议中的信号是一种部分模拟与部分数字的混合波导联结。
Its proposed signal is a hybrid, part analog and part digital.
结果表明,随着生物柴油体积分数的增加,滞燃期呈现先减小后增大的趋势,但所有混合燃料的滞燃期都低于普通柴油。
The results show that with the increase of the biodiesel concentration, ignition delays of blend fuels decrease at first and then increase, but all the delays are shorter than that of diesel.
随着混合比例的增加,混合熵增加和损的变化规律相同,即先增大再减小,且在焦炉煤气体积分数约为48%处达到极大熵增加和损。
The entropy generation and the exergy loss vary similarily with the change of mixing ratio, they first increased then decreased and both reached a maximum at a fraction of COG around 48%.
混合c 4中含有质量分数约为40%的正丁烯,是生产丙烯的优质原料。
The mass fraction of n-butene in mixed C4 from catalytic cracking after etherized was approximately 40%.
建立了冷热两种物流混合过程的数学模型,找到了混合物流中冷介质的摩尔分数与热物流温降的函数关系。
Cold and hot effluents mixing model was set up, which expressed the function related to cold effluent concentration in mixed effluent and temperature drop of hot effluent.
用复配的不同质量分数的1#混合酸和2#混合酸分别对武汉石化催化裂化平衡剂进行脱金属处理,并对处理后的催化剂孔体积进行了考察。
The pore volumes of FCC equilibrium catalyst from Wuhan Petrochemical Complex demetallized by mixed acids 1# and 2# with various mass fractions were studied.
表面活性剂和氢氧化钠溶液预先在管道搅拌器内混合,再与质量分数为0.5%的PAM溶液和清水在静态混合器内混合。
The surfactant and sodium hydroxide solutions was premixed in online dynamic mixer then mixed with 0.5% (wt) PAM and water in static mixer.
确定了混合清蜡剂的最佳配方:苯加量(体积分数,下同)45%,协同剂加量45%,互溶剂A加量5%,互溶剂B加量5%。
The optimum formulation of the remover was determined as follow:benzene 45%(vol), mutual solvent A 5%(vol), mutual solvent B 5%(vol), and the synergic agent 45%(vol).
最后,以混合釜成分串级比值控制系统为例,介绍了实现该控制算法的成分数字调节器的具体方法。
Finally, this paper demonstrates the implementation of a digital controller based on the algorithm by taking the cascade and ratio control system as a...
本文还以混合釜成分串级比值控制系统为例,介绍了实现该控制算法的成分数字调节器的具体方法。
The algorithm is applied to control the product composition of a CSTB, as main controller of the cascade and ratio control system, to demonstrate the implementation of the...
该混合水泥是由下述质量百分数的原料制成:大洋多金属结核-结壳浸出渣粉末10 ~ 20%、水泥熟料76 ~ 88%和石膏1 ~ 4%。
The mixed cement is prepared with oceanic polymetallic nodule and crust leaching slag 10-20 wt %, cement clinker 76-88 wt % and gypsum 1-4 wt %.
该混合水泥是由下述质量百分数的原料制成:大洋多金属结核-结壳浸出渣粉末10 ~ 20%、水泥熟料76 ~ 88%和石膏1 ~ 4%。
The mixed cement is prepared with oceanic polymetallic nodule and crust leaching slag 10-20 wt %, cement clinker 76-88 wt % and gypsum 1-4 wt %.
应用推荐