z-average molecular weight

The change of viscosity and average molecular weight of heavy oil from Liaohe oilfield with temperature and reaction time are investigated in the paper.

探討了在注蒸氣條件下,稠油的粘度和平均分子量隨蒸氣溫度、反應時間的變化規律,研究了金屬鹽、油層礦物對稠油水熱裂解反應的影響。

The refractive index, density, average molecular weight, elemental composition and 1H-NMR spectra of five coker gatches were determined.

測定了大慶、勝利、遼河、管輸等5種焦化蠟油的密度、平均分子量、折光指數、元素和1H－NMR核磁共振波譜等數據，研究了5種焦化蠟油的化學組成，包括飽和烴、輕芳烴、中芳烴、重芳烴和膠質5個組分的含量，并與直餾蠟油的數據進行了對比；采用改進的B－L法、n－d－M法和密度法計算了平均結構參數。

GPC analysis revealed that the average molecular weight and molecular radius of β-glucan were 9.

30%,由此可用高效凝膠色譜測定其分子量,得到其平均分子量為9。

Study on average molecular weights of the distillated fractions from different coal-derived oils

煤液化生成油窄餾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

電噴霧質譜測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.

不同牌號的結晶聚苯乙烯模塑粒料平均分子量范圍從150，000-350，000。

Determination of molecular weight averages and molecular weight distribution of polystyrene standards by steric exclusion chromatography

GB/T6599-1986體積排斥色譜法測定聚苯乙烯標準樣品的平均分子量及分子量分布

Two Calculations of Average Energy of Rigid Double-Atom Molecule;

剛性雙原子分子平均能量的兩種求法

The antigens were found to be homogenious and have a molecular weight of 87000 dalton asdetermined by gel-electrophoresis method.

電泳分析得全抗原分子量平均為87000道爾頓。

To apportion(weight)evenly, as over a door.

將重量平均分配平均分布重量，如門上的

The analysis of the molecular weight and amido content of oligochitosan prepared by two methods

兩種方法制備殼寡糖平均分子質量與氨基含量分析

mean free path of gas molecules

氣體分子的平均自由程

In the first place, the fractional decrease in neutron energy per collision is, on the average, greatest for light nuclei.

第一，平均來說原子核愈輕，每次碰撞后中子的能量損失分額就愈大。

(physics, chemistry) not having atomic weight greater than average.

（物理學，化學）原子量不比平均水平高。

On Submanifolds with Parallel Mean Curvature Vactor in Space Forms;

關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偽臍子流形

The mean operation time was 150 minutes, and the mean blood loss was<50 ml.

平均手術時間為150分鐘，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

工業直鏈烷基苯磺酸鈉平均相對分子量的測定-氣液色譜法

surface active agents-sulfated ethoxylated alcohols and alkylphenols- estimation of the mean relative molecular mass

表面活性劑-乙氧基化醇和烷基酚硫酸鹽-平均相對分子量的測定

Sodium ethoxylated alkyl sulfate-Determination of the mean relative molecular mass

GB/T13530.3-1992乙氧基化烷基硫酸鈉平均相對分子量的測定

The estimated average energy of the particles in the cabin is on the level of Galactic cosmic radiation.

艙內粒子的平均能量很高，主要成分是銀河宇宙輻射。