查询词典 mass-scale

A liquid chromatography-electrospray tandem mass spectrometry was developed for the determination of trace amount of abscisic acid in plant samples.

脱落酸是植物体内产生的一种植物激素，它参与调控植物的生理过程[1]，其主要作用是促进芽休眠、叶子脱落，抑制生长。

According to quality problems of wall,it analyzes causes of cracks、scumming and abscission in mass cement sand pulp wall plastering ,and puts forward prevention measures to ensure beautiful view of wall.

针对工程墙面存在质量病害的现象，分析了大面积水泥砂浆墙面抹灰出现裂纹、泛霜、脱落的原因，介绍了其防治措施，以保证墙面的美观效果。

The effect of the molecular weight and mass content of PEG on the absorbability of PEG-Semi-IPN-P was studied.

研究了聚乙二醇分子量和质量含量对PEG-SPIN-P吸液性能的影响。

The chemical processes in the absorber include lots of heat and mass transfer phenomenon and chemical reactions.

在吸收器中的化学反应过程包含了热能和质量的传递现象以及化学反应。

Bone mineral content and bone width at the one-third part of distal radius at non-superiority side were assessed by single-photon absorptiometer, height and body mass were measured at the same time.

调查于2001-10/2002-11在重庆市3所学校（小学、中学和大学各1所）完成，3所学校以班级为抽样单位，选择健康儿童、青少年161名作为调查对象，均在调查前填写知情同意书。

Among which, focusing on the analysis of the factor of water mass absorption coefficient-μ and kinds of objectively influencing factors on μ.

其中，重点分析了水的质量吸收系数μ对测量精度的影响以及影响μ值的各种客观因素。

Ray attenuation law ; mass absorption coefficient ; mixture density ; measurement precision

射线衰减规律；质量吸收系数；混相密度；测量精度

ABSTRACT Complex fluid flow and heat/mass transfer problems encountered in engineering are characterized by geometric and/or dynamic complexity.

在许多工程部门中所遇到的复杂流动和传热传质问题包括几何形状的复杂性和动力的复杂性。

TIAN Wen-sheng（Chaigoubu Teachers School,Zhangjiakou 076150,China）Abstract:Taking account of δr≠0,through the equation of conservation of orbital angular momentum,orbital parameters equations on the mass change are re-deduced.

Ba星系统的星风吸积及污染因子刘俊红和仲池田文生摘要：用整个系统的角动量守恒条件代替切向动量守恒条件，且δr≠0，考虑轨道偏心率的高次项，推导了星风吸积质量及轨道参量变化方程。

Nature, most elements have two or more isotopes, the same kinds of elements in the quality of the various isotopes of different, but the types and proportion constant (except for radioactive elements). In 1961, the carbon content of the most abundant in nature, a kind of isotope, carbon-12 atom of a quantity and quality of C as a 12 mass units to it as "benchmarks" for all isotopes of an element according to the average abundance The ratio of the benchmark is the atomic weight of this non-prime, that is listed in the periodic table of atomic weights.

自然界中大多数元素都有两种或更多的同位素，同种元素的各同位素质量不同，但其种类和比例是恒定的。1961年，把碳在自然界含量最丰富的一种同位素，碳12的一个原子的质C量定为12个质量单位，把它作为"基准"，某种元素的所有同位素按丰度的平均值与基准之比，就是这种无素的原子量，即元素周期表列出的原子量。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。