The change of viscosity and average molecular weight of heavy oil from Liaohe oilfield with temperature and reaction time are investigated in the paper.
探讨了在注蒸气条件下,稠油的粘度和平均分子量随蒸气温度、反应时间的变化规律,研究了金属盐、油层矿物对稠油水热裂解反应的影响。
The refractive index, density, average molecular weight, elemental composition and 1H-NMR spectra of five coker gatches were determined.
测定了大庆、胜利、辽河、管输等5种焦化蜡油的密度、平均分子量、折光指数、元素和1H－NMR核磁共振波谱等数据，研究了5种焦化蜡油的化学组成，包括饱和烃、轻芳烃、中芳烃、重芳烃和胶质5个组分的含量，并与直馏蜡油的数据进行了对比；采用改进的B－L法、n－d－M法和密度法计算了平均结构参数。
GPC analysis revealed that the average molecular weight and molecular radius of β-glucan were 9.
30%,由此可用高效凝胶色谱测定其分子量,得到其平均分子量为9。
Study on average molecular weights of the distillated fractions from different coal-derived oils
煤液化生成油窄馏分平均分子量的研究
Determination of the Average Molecular Weight and Its Distribution of Polyether Polyols by Electrospray Ionization Spectrometry
电喷雾质谱测定聚醚多元醇的平均分子量及其分布
Different grades of crystal polystyrene molding pellets range from 150,000 to 350,000 weight average molecular weight.
不同牌号的结晶聚苯乙烯模塑粒料平均分子量范围从150，000-350，000。
Determination of molecular weight averages and molecular weight distribution of polystyrene standards by steric exclusion chromatography
GB/T6599-1986体积排斥色谱法测定聚苯乙烯标准样品的平均分子量及分子量分布
Two Calculations of Average Energy of Rigid Double-Atom Molecule;
刚性双原子分子平均能量的两种求法
The antigens were found to be homogenious and have a molecular weight of 87000 dalton asdetermined by gel-electrophoresis method.
电泳分析得全抗原分子量平均为87000道尔顿。
To apportion(weight)evenly, as over a door.
将重量平均分配平均分布重量，如门上的
The analysis of the molecular weight and amido content of oligochitosan prepared by two methods
两种方法制备壳寡糖平均分子质量与氨基含量分析
mean free path of gas molecules
气体分子的平均自由程
In the first place, the fractional decrease in neutron energy per collision is, on the average, greatest for light nuclei.
第一，平均来说原子核愈轻，每次碰撞后中子的能量损失分额就愈大。
(physics, chemistry) not having atomic weight greater than average.
（物理学，化学）原子量不比平均水平高。
On Submanifolds with Parallel Mean Curvature Vactor in Space Forms;
关于平行平均曲率向量的子流形(英文)
Pseudoumbilical Submanifolds with Parallel Mean Curvature Vector;
具有平行平均曲率向量的伪脐子流形
The mean operation time was 150 minutes, and the mean blood loss was<50 ml.
平均手术时间为150分钟，平均出血量小于50毫升。
technical straight-chain sodium alkylbenzenesulfonates- determination of mean relative molecular mass by gas-liquid chromatography
工业直链烷基苯磺酸钠平均相对分子量的测定-气液色谱法
surface active agents-sulfated ethoxylated alcohols and alkylphenols- estimation of the mean relative molecular mass
表面活性剂-乙氧基化醇和烷基酚硫酸盐-平均相对分子量的测定
Sodium ethoxylated alkyl sulfate-Determination of the mean relative molecular mass
GB/T13530.3-1992乙氧基化烷基硫酸钠平均相对分子量的测定
The estimated average energy of the particles in the cabin is on the level of Galactic cosmic radiation.
舱内粒子的平均能量很高，主要成分是银河宇宙辐射。