The kind and number of atoms ina molecule determine a molecular mass.
分子量取决于分子中的原子种类与数量。
The kind and number of atoms in a molecule determine a molecular mass.
分子中原子的种类和数量决定分子质量。
The region of the atmosphere below90km has a nearly constant mean molecular mass and is therefore called the homo sphere.
90公里以下大气区域，具有一个接近恒定的平均分子质量，因此称为均匀层。
A method for rapid determination of molecular weight of lysozyme from chiken egg white by matrix-assisted laser desorption ionization mass spectrometry was represented in this paper.
本文介绍了一种用基本辅助激光解吸电离质谱法快速测定蛋清中溶菌酶相对分子质量的方法。
The biaxial molecules interact via dispersion forces and the molecular centres of mass are located at the sites of a simple cubic lattice.
双轴分子通过色散力作用，使分子质心固定在简单立方晶格的格点上。
The effects of initiators and thermal initiation on a reaction rate, molecular weight and molecular weight distribution of products in a mass polymerization of styrene were investigated.
考察了热引发方式和不同种类、浓度下的引发剂引发方式在苯乙烯的本体聚合中对聚合反应速率和产品的分子量及其分子量分布的影响。
This paper looked at molecular changes in a large number of MDS patients using up-to-date molecular techniques, including next-generation sequencing and mass spectrometry genome typing.
该文应用现代分子技术(包括下一代测序技术及质谱基因组分型)寻找大mds患者样本中的分子改变。
A new mathematic model based on analysis of liquid flow, mass transfer and heat transfer is proposed to describe wiped film molecular distillation.
在对刮膜式蒸馏器蒸发表面流体流动和传质传热进行分析的基础上，研究了分子蒸馏过程，并建立了数学模型。
Electrospray ionization mass spectrometry(ESI- MS) is a soft ionization technique by which molecular ions are mainly formed.
电喷雾质谱（ESI-MS）技术是一种软电离技术，其中主要是分子离子形成。
Analysing in the view of molecular kinetic theory, paste flowability is a shift of molecular mass center by the jump of polymer chain segment, and it affects the mass-transfer directly.
从分子运动角度分析，糊料流动是高聚物大分子链段协同“跳跃”而实现整个分子质量中心位移，对传质具有直接影响。
Polymer: Natural or synthetic plastic-like substances having molecule in a high relative molecular mass formed by the chemical linking of many simple molecules, of the same substance.
聚合物：类似塑胶的人造或天然物体。由许多简单而属于同一种物质的分子，通过化学结合而形成，并具有较高的相对分了质量。
Polytetrahydrofuran (PTHF) with narrow molecular mass distribution was prepared by cationic ring-opening polymerization of tetrahydrofuran using H_2SO_4 · SO_3-HClO_4 system as a catalyst.
以发烟硫酸-高氯酸为催化剂，通过四氢呋喃的阳离子开环聚合合成了窄分子量分布的聚四氢呋喃(PTHF)。
On the basis of molecular diffusion Fick's law and principles of energy and mass conservation, a simplified model of frost growth on a surface is presented.
根据斐克分子扩散定理及能量、质量守恒原理，提出一种表面霜增长的简化模型。
In the system, a polyhydroxy alcohol with low molecular mass is used as thickener, organic boron as crosslinker, and a synthesized acid releaser as gel breaker.
该压裂液体系以低聚合多羟基醇为稠化剂，有机硼为交联剂，合成了一种释酸剂作破胶剂。
Molecular weight: Mass of a molecule of a substance, Based on 12 as the atomic weight of carbon-12.
分子量：物质的分子质量，依据的事实是1莫耳的碳-12的质量是12克。
A mass of water entered molecular sieve adsorber, upper column and lower column during the heating period before startup of air separation unit.
空分设备启动前的加温阶段，分子筛吸附器和空分塔上、下塔大量进水。
Dialysis techniques are discussed as a means for effective removal of low-molecular-mass components from fermentation broth to reach high cell density.
本文讨论了有效利用透析技术从发酵液中及时转移低分子杂质混合物，从而获得高密度发酵细胞的方法。
With the help from Chaihuo, he hopes to refine the designs for a line of affordable open-source molecular biology lab tools, and starts a company to mass-produce it in China.
通过与柴火的合作，他希望可以改进设计、制作出一系列价格实惠的开源分子生物学实验室工具，以后也会考虑在中国成立一个公司，把自己的项目投入生产。
With the help from Chaihuo, he hopes to refine the designs for a line of affordable open-source molecular biology lab tools, and starts a company to mass-produce it in China.
通过与柴火的合作，他希望可以改进设计、制作出一系列价格实惠的开源分子生物学实验室工具，以后也会考虑在中国成立一个公司，把自己的项目投入生产。
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