质量比

确定大熊W型双星质量比的一个近似方法

An Approach Method to Determine the Mass Ratio for W UMa Binaries

在此基础上，计算分析了其它参数对调谐体系位移反应和底部剪力幅值的影响，包括调谐子结构与主结构质量比ρ、主结构与激励的周期比βsE、结构阻尼等参数的影响。

On bases of these , influence of other parameters on drift or base shear amplitude is analyzed , including mass ratio ρ, period ratio of main structure to excitation β _sE and damping ratio .

这块布的质量比那块布的强。

The quality of this cloth is better than that one 's.

Cr、Cu质量比0.62；

Mass ratio of Cr to Cu is 0.62 ;

与DNA质量比为3：1时，包封率最高，可达95%左右；接近血浆内环境PH值时结合力最稳定。

While the weight ratio of nanoparticles with DNA was 3:1 , the encapsulating efficiency of DNA was about 95 % or so .

研究了柠檬酸（CA）/乙二醇（EG）（质量比）、pH值对前驱体溶胶稳定性的影响。

The effects of CA / EG and pH value on the stability of the precursor sol were investigated .

结果表明：较佳的配方组成为大豆磷脂PC、胆固醇、熊果苷的质量比为400∶34∶136；

Results showed that the appropriate formulation is soybean lecithin PC , cholesterol and arbutin with mass ratio of400 ∶ 34 ∶ 136 .

当PP/PPgMAH1/镁盐晶须的质量比为97/3/30时，复合材料的综合性能最佳。

When the ratio of PP / PP-g-MAH1 / whisker is 97 / 3 / 30 , the comprehensive properties of the composites are the best .

在有机白光LED方面，本文考察了有机荧光物质核黄素和蒽酮之间质量比、分散系聚乙烯质量和成膜时间对有机发光薄膜荧光光谱的影响；

The weight ratio of riboflavin and anthrone , the weight of dispersing system LDPE and the heating time is studied during making the organic luminescent films .

采用方式C（将两种偶联剂按1∶1的质量比，先加钛酸酯后加硅烷处理滑石粉）制得的PP2/POE/Talc（80/20/25）三元复合材料的力学性能比其它两种方式有显著提高。

Mechanical properties of PP2 / POE / Talc ternary composites are greatly increased by methods C , in which talc is treated by organic titanate and silane coupling agent orderly .

研究结果可为提高PCM容器的功率质量比提供参考依据。

The results can be used for the optimization of power-mass ratio of heat receiver .

结果与纯姜黄素相比，姜黄素固体分散体（姜黄素：PVP的质量比为1：8）溶解度提高了870倍，溶出速度明显增大。

RESULTS Compared with pure curcumin , the solubility of solid dispersion increased 870 folds .

说明在肉鸡生长早期（14d前）添加粗酶制剂和维生素C能显著促进生长，但在中后期促生长作用不显著。饲料中添加粗酶制剂与维生素C还可降低全程料肉质量比。

The results also showed that coarse enzyme preparation and vitamin C added to the forage could decrease the mass ratio of forage and meat .

用于发酵培养的查氏蛋白胨培养基中选用葡萄糖和蛋白胨的质量比为2：1，培养温度为26℃，pH值为6.5，符合该菌正常生长的范围；

The Czapek ′ s medium is used in fermentation cultured which choose quality rate of glucose and peptone is 2:1 , culture temperature is 26 ℃, and pH is 6.5 ;

DBM的质量比≥80%时，DBM和BC不能复合在一起，从而失去塑形性。

The DBM and BC could not be combined together when the proportion of DBM was 80 % .

对于两个体系，当SiC和AlN的质量比为3：7时，复合陶瓷时致密度最大。

As for the two kinds of composites , when the weight of SiC and AlN is 3:7 , the composites have highest density .

首先以十二烷基硫酸钠，EDTA按质量比1∶1的比例制备复合缓蚀剂。

First , sodium lauryl sulfate and EDTA were put into the prepared complex inhibitor at the rate of 1:1 in mass .

研究表明，反应温度、剂/油质量比（m（Catalyst）/m（Oil））、催化剂上焦炭沉积状况、反应质量空速和蒸汽注入量等操作参数对催化裂化过程中的骨架异构化反应均有影响。

Operating parameters , such as reaction temperature , catalyst to oil mass ratio , coke deposition , mass hour space velocity ( MHSV ) and amount of atomizing steam all showed some influence on skeletal isomerization reaction .

ABA与IAA和ABA与CTK的质量比增大，将有利于荔枝体细胞球形胚的形成。

The increase of the ratios of ABA / IAA and ABA / CTKs was beneficial to the development of somatic embryogenesis .

结果表明：当PP/MHOS/POE的质量比为100/10/20时，PPgMAH的最佳用量为3份；

The results showed when the mass ratio of PP / M-HOS / POE was 100 / 10 / 20 , the optimum content of the compatibilizer PP-g-MAH was 3 phr ;

分散剂：PEG-6000与PEG&400（质量比1：1）的混合物；

Dispersant : PEG-6000 and PEG & 400 ;

结果表明，焊接电流增大时，药芯焊丝的熔滴质量比增大、熔滴细化、平均质量减小；熔滴过渡频率增高，f曲线呈单调上升变化，3种焊丝增长速率大致相同。

The result shows : the droplet mass ratio of flux-cored wire and the frequence of the droplet transfer is increased and the average mass of the droplet is decreased as the welding current goes up .

通过改变浸泡时间、固液比和浸泡液pH值进行浸泡实验；通过改变空隙率（煤矸石、粘土和砂砾的质量比）进行动态淋溶实验。

Soaking time , solid-liquid ratio and pH of soaking solution were changed in the soaking experiment , and gangue porosity ( the mass ratio of gangue , clay and gravel ) were changed in the dynamic leaching experiment .

随着PF／PVB质量比的增加，所得多孔炭的收率增加，比表面积和总孔容减小，比电容也减小。

When the PF / PVB mass ration increasing , the yield of porous carbon increase while BET-SSA , TPV and specific capacitance decrease .

利用选区激光烧结工艺制备了WC-10%Co颗粒增强Cu基复合材料，其中WC-Co和Cu的质量比为30：70。

The WC-10 % Co particulate reinforced Cu matrix composite material with the WC-Co : Cu weight ratio of 30 : 70 was successfully produced using selective laser sintering ( SLS ) process .

开发成功了具有高活性、高选择性、低水油比（质量比，下同）、高侧压强及抗水性能好等特点的三叶型355催化剂（Fe－K－Mg－Ce－Mo）。

The trilobe 355 catalyst ( Fe-K-Mg-Ce-Mo ) for ethylbenzene dehydrogenation which had the characteristics of high catalytic activity , high selectivity , low water-oil ratio , high side pressure , and good water resistance was developed .

结果表明，抗静电剂HKD151与HKD520的质量比为1∶1，且其用量分别为PP质量的15%时，PP的抗静电性能较好；

The results showed that PP would have better antistatic property when the mass fraction of HKD-151 to HKD-520 was 1 ∶ 1 and the content of them was 1.5 % in the antistatic PP respectively .

随着LDPE与MVQ混炼胶的质量比的增加，材料的耐热老化性能下降。

The thermal aging resistance of LDPE / MVQ hybrid rubber decreased with the increase in the mass ratio of LDPE : MVQ .

研究表明，当APP/PER质量比为20/10，ZnO的质量分数为1.3%时，阻燃PP的LOI值达到最大；

The results showed the LOI of PP sample was the maximum when APP / PER mass ratio was 20 / 10 , and the mass fraction of ZnO was 1.3 % ;

Eu（Ⅲ）含量也对配合物的荧光强度产生影响，当Eu（Ⅲ）含量为5%（质量比）时，这些水溶性纤维素醚/Eu（Ⅲ）配合物的荧光强度均达到最大。

And the contents of Eu (ⅲ) also have effect on the FI of these coordination complexes . The fluorescence intensities of the coordination complexes all reach maximum when Eu (ⅲ) content was 5 % ( wt / wt ) .