2) molecular scale
分子尺度
1.
The establishment of reaction kinetic models on molecular scale is very difficult for many complex reaction systems existing in petroleum processing.
本文综述了分子水平动力学模型的主要研究方法和国内外有代表性的研究成果,指出开发更为细致的分子尺度反应动力学模型来预测产品产率、组成和性质将成为该领域的发展方向。
2.
Based on the regular analytical data of the plant, the feedstocks of Deep Catalytic Cracking (DCC) on a molecular scale were simulated by the Monte Carlo method combined with Structural Oriented Lumping.
以工业实测数据为基础,运用结构导向集总方法构造分子,对催化裂解原料油进行了分子尺度上的蒙特卡罗模拟。
3) particle size
粒子尺寸
1.
Three recent principal developing optical methods for measurment of particle size and other parameters are proposed in the parper.
介绍最近发展起来的三种主要的粒子尺寸及其它参量的光学则量方法 ,较详细地说明了相位多谱勒法、基于衍射的矩阵迭代和积分变换法、测量散射矩阵元的分析方法的测量原理和实现方法 ,对各方法的主要特点进行了讨
2.
The experimental results indicated that temperature not only affected the crystalline type of fouling,but also affected the lattice parameter and particle size of the precipitated phase.
结果表明:温度不但影响析出的碳酸钙污垢的类型,也影响析出相的晶格常数和析出粒子尺寸;温度较低时碳酸钙污垢主要为方解石晶相,随着温度的升高析出的文石晶相逐渐增加;同时低温沸腾产生的扰动可以有效地减小碳酸钙污垢粒子的聚集尺寸。
4) molecular dimension
分子尺寸
1.
The method to calculate the minimum cross-sectional diameter of heavy oil character molecule and to show the molecular dimension was brought forward,which was used to predict the minimum cross-sectional diameter of some typical heavy oil character molecules.
采用量子化学方法计算得到重油特征分子的几何结构,提出了用量子化学方法计算重油特征分子的最小横截面直径和描述分子尺寸的方法。
2.
To meet the needs for study the shape selectivity of zeolite molecular sieves,an approach for estimation of molecular dimensions was developed.
为满足研究沸石分子筛择形选择性的需要，对分子尺寸的估算进行了探讨。
3.
A systematic approach for predicting the hindrance factor of macromolecular diffusion in micropores is reported, simultaneously taking into account the molecular dimension and shape effects.
研究了大分子在微孔中的阻滞扩散,描述一种同时计算分子尺寸和形状对阻滞效果影响的方法,并使用聚碳酸酯核径迹膜对4种典型形状的大分子进行了实验研究。
5) molecular size
分子尺寸
1.
Photodegradation of organic compounds over TiO_2 supported on activated carbon fibers: the effect of molecular size;
不同有机化合物在TiO_2负载活性炭纤维上的光降解-分子尺寸的影响(英文)
2.
In order to probe and prove the compatible relations between the molecular size of polymer and pore throat size of rocks,an experimental detection is conducted on the molecular size of polymers to be used under the condition of polymer flooding with mathematical method,pore film filtration method and dynamic scattering method by using thin oilfield in Henan Oilfield for example.
为了探索和验证聚合物分子尺寸与岩石孔喉尺寸的配伍关系,以河南油田东部老油区稀油油田为例,应用数学方法、微孔滤膜过滤方法和动态光散射方法,对开展聚合物驱条件下拟使用的聚合物的分子尺寸进行试验测定,得到了双河油田不同渗透率岩石能够匹配的聚合物分子量。
3.
The hydrodynamic properties correlation method is mainly used to compute the molecular size of heavy oil fractions,but the size and shape of asphaltene colloid particle are characterized by the small-angle scattering method and electron microscopy imaging method.
流体力学性质关联法主要用来计算重油组分分子尺寸,而小角散射法和电子显微镜成像法则用来表征沥青质胶粒形态尺寸。
6) atomic size
原子尺寸
1.
Six bulk metallic galsses series alloys of Zr-Al-Ni-Cu with different compositions were designed and prepared ac- cording to electron concentration constant and atomic size constant criteria.
以等电子浓度和等原子尺寸为判据,设计并制备了6种成分的系列Zr-Al-Ni-Cu块体非晶合金,利用X射线衍射对其中的5种合金在晶化过程中的相转变进行了分析,结果表明,Ni含量较低、Cu含量较高的前两种合金,其晶化相主要以体心四方的Zr2Cu相为主,随着Ni含量升高、Cu含量降低,后三种合金的晶化以体心四方的Zr2Cu相、简单六角Zr6Al2Ni相和面心立方Zr2Ni相等多种晶化相析出为特征。
2.
Six bulk metallic glass alloys of Zr Al Ni-Cu with different compositions were designed according to electron concentration constant and atomic size constant criteria.
以等电子浓度和等原子尺寸为判据。
3.
Eight alloys were designed based on criteria of constant electron concentration and atomic size.
选择Zr-Al-Ni-Co合金系为研究体系,以等电子浓度和等原子尺寸为判据设计8种合金,采用吸铸法制备了直径为3 mm的合金棒,XRD结果表明了在等电子浓度面和等原子尺寸面交线上存在着一个较大范围的块体非晶合金形成区域。
补充资料：尺子
1.量具。引申为衡量事物的标准。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条