相对质量

由于在总码率受限的情况下提高背景质量和提高ROI质量相矛盾，有学者提出了折衷的解决方法：控制ROI和背景的相对质量。

Improving BackGound ( BG ) quality is contradicted with improving ROI quality in the limited bit rate cases , and the tradeoff is controlling the relative quality between ROI and BG .

不过，当然，收入与不同院校的相对质量没有关系。

But pay , of course , says nothing about the relative quality of different colleges .

日粮ME和CP水平及其互作极显著影响肝相对质量（P0.01）。

Dietary ME and CP levels as well as their interaction significantly affected liver relative weight (( P0.01 ));

结果HO和HI组小鼠甲状腺出现胶质样肿大、绝对质量和相对质量增加。

Results In HO and HI , colloid goiter was encountered and the absolute and relative weight of thyroid increased .

合成产物中O′sialon的相对质量可以超过90%。

Relative mass content of O ′ sialon in synthesized products are more than 90 % .

研究结果表明：CDG的性能随所用HPAM分子相对质量的提高而改善；

It is shown that : The performance of CDGs improves with increasing Mw of the HPAM used ;

根据FID检测器工作原理，提出一种相对质量校正因子的计算公式。

A new calculation formula for the calculating relative mass calibration factor was found based on the flame ionization detector ( FID ) .

结果表明：纯BN陶瓷烧结温度达到180O℃时相对质量密度和强度较低；

The results showed that relative density and strength of pure BN ceramics was inferior when sintering temperature reached 1800C .

以邻苯二甲酸二丁酯为内标物，测定了DCPCP对内标物的相对质量校正因子。

The dibutyl o phthalate was used as internal standard and the relative mass correction factor of DCPCP was determined .

计算死亡细胞的相对质量。

The relative mass of the dead cells was calculated .

闪光照相条件下相对质量吸收系数的测量

Measurement of relative mass absorption coefficients for flash radiography

己二酸二辛酯（相对质量分数10.56%）。

QUALITY two hard ester of adipic acid ( relative content 10.56 % ) .

确定了色谱分析条件，测定了各组分的热导相对质量校正因子。

The chromatographic conditions are defined . The quantitative factors of all groups are determined .

研究不同冻结温度、不同样品摆放方式、不同解冻方式对青鱼切块冻结和解冻前后相对质量变化的影响。

Impact of different quick-freezing ways on physical and chemical indicators and meat quality of Portunus pelagicus in the storage process ;

同时对西北大学科技论文的相对质量的变化情况进行了分析，指出学术水平的发展变化趋势。

It also analyses the changes of the relative qualities of our research papers , pointing out at the same time the tendency of our academic development .

在静水压力体系下，黏土矿物演化表现为高岭石相对质量分数大幅度增加，自生高岭石的形成为黏土矿物演化的主要特征。

Under a hydrostatic pressure system the clay mineral evolution presents that kaolinic relative percentage content increases significantly , authigenic kaolinite becomes the key characteristics of the clay mineral evolution .

用二次函数的形式描述基频下的制冷剂质量流量和压缩机耗功率，制冷剂相对质量流量与频率成幂函数的关系，压缩机相对耗功率的自然对数与频率满足二次函数形式。

At the base frequency , the refrigerant mass flow rate and the input compressor power were modeled second-order functions of the condensing and evaporating temperatures . The mass flow rate was a power function of compressor frequency and the power input was a second-order exponential function of the frequency .

利用B样条神经网络控制聚合物相对分子质量分布新方法

Control of molecular weight distribution of polymerization via B-spline neural networks

高相对分子质量PE的增塑熔融纺丝Ⅱ.拉伸工艺和纤维的结构性能

Plasticized melt spinning of HMWPE ⅱ . drawing process and structure and properties of fibre

聚合物相对分子质量分布指数ID为50～80。

The relative molecular mass distribution index ( I D ) was 50 ~ 80 .

采用不同相对分子质量的聚丁烯热塑性弹性体，对聚丙烯（PP）进行共混改性，并研究了共混物的力学性能和热性能。

Polypropylene was modified by thermoplastic elastomer poly-1-butylene ( PBt-TPE ) of various molecular mass .

GPC法测定PAN的平均相对分子质量及其分布

GPC measurement for average relative molecular mass and distribution of polyacrylonitrile

水溶液聚合法合成高相对分子质量PDA引发体系的选择

The Choice of Initiating Systems in Synthesis of High Molecular Weight PDA

采用高相对分子质量的增塑剂与低相对分子质量的增塑剂混合增塑ST和PVA，有利于提高薄膜的力学性能。

Mechanical properties of blend films were enhanced by adding large and small plasticizers simultaneously .

用SDS-PAGE测得亚基相对分子质量为66kDa。

Its subunit molecular weight was 66 kDa measured by SDS-PAGE .

一般，随着SDS相对分子质量增大，熔体流动速率减小；

The MFR decreasing with increasing of molecular weight ;

毛细管SDS无胶筛分电泳测定小分子多肽相对分子质量

Determination of Relative Molecular Mass of Small Polypeptide by Capillary SDS Non-gel Sieve Electrophoresis

结果：经SDS-PAGE检测重组尿酸酶亚基的表观相对分子质量为32.4k。

Molecular weight of the recombinant uricase subunit was 32.4 ku in SDS-PAGE .

提高聚丙烯酰胺（PAM）相对分子质量和溶解性的措施

Measures to Increase Molecular Weight and Solubility of PAM

GPC法测定香菇多糖的含量及相对分子质量

Determination of Lentinan Content and its Molecular Weight by GPC