The relationship between the reduced viscosity and concentation of sulfonated styrene-isoprene- styrene triblock copolymer(SSIS) and its ionomers in toluene and toluene/methanol solutions were studied.
本文报道SIS磺化及离子化后由溶液中分子链形态的不同而导致的溶液的比浓粘度及特性粘数的变化。
The reduced viscosity of TEAA-co-AM and DEB.
研究了共聚物水溶液的流动性质 ,这两类共聚物在水溶液中的比浓粘度都随盐浓度增大而增高 ,这是由于在盐溶液中盐度增大介质极性增强 ,至使大分子中较大烷基逃逸水相并发生自缔合的倾向更强烈的原因。
The experimental results show that four kinds of ocean tiny algae s chlorophyll contents continuously decrease with the ratio concentration of hydroxyl radical increasing.
实验结果表明,随着羟基比值浓度的升高,4种单细胞藻的叶绿素含量不断减少,当羟基比值浓度达到0。
The concentrations of the free amino acids in the amniotic fluid of the anencephaly fetus were raised markedly whilst those of the spina bifida fetus were lower than normal.
无脑儿羊水中的氨基酸浓度比正常值明显升高,而脊柱裂羊水中的浓度却比正常值低。
The raw material concentration is one order of magnitude lower than the concentration in the traditional fixed state process.
原料浓度比传统定态过程低一个数量级
The microbial concentration ratio of indoor air to outdoor air depended upon the facility and season.
室内外生物气胶浓度比值依场所及季节而定。
This compartment contains citric acid at a concentration up to 24 times higher than the cytoplasm.
这种间隔中所含柠檬酸浓度比细胞质高24倍。
Blood plasma has a concentration of sodium ions almost 6 times as great as that in the red cell.
血浆中钠离子浓度比红细胞几乎大6倍。
It is necessary to enrich the fuel by increasing the percentage concentration of uranium-235.
必须提高铀235浓度的百分比，使燃料浓集。
logarithmic viscosity number
对数粘[度]数，比浓对数粘度
The rate of N0 oxidation also increases proportionately with the square of the hydrocarbon concentration but inversely with the NO2 concentration.
NO氧化速率与烃浓度的平方成正比增加，而与NO2浓度成反比。
having a large proportion of strong liquor.
含有大比例的高浓度酒精。
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50%至70%时比较有效，
Percentage of Particulate Concentration Grades in Urban Air in 341 Cities
341个城市空气中颗粒物浓度分级比例
By-products can make up a significant concentration; for example, consider lavender.
产品需要提高它的浓度百分比含量。
Determination of Biapenem in Human Plasma by HPLC
HPLC法测定人血浆中比阿培南的浓度
Determination of Plasma Concentration of Flurbiprofen by RP- HPLC
RP-HPLC法测定人血浆中氟比洛芬的浓度
In a certain range of concentration, the energy of absorption are positive proportional to the concentration of FBA.
一定浓度范围内荧光物质的吸收与浓度成正比关系;
An instrument used to measure density or specific gravity.
比重计，浓度计用于测量密度或特定重量的仪器
Design of Meter for Gas Concentration Disposition with High Precision Based on the Mass Flow
基于质量流量的高精度气体浓度配比仪的设计
Activity coefficient Number expressing the ratio of a substance's chemical activity to its molar concentration.
活度系数:化学术语,活度系数指物质的化学活度对其浓度之比。