查询词典 fractions

Among the macroporous resin fractions of 30%, 50%, 70%, 80% and 95% ethanol, the 70% ethanol fraction showed the highest antifungal activity towards Schizosaccharomyces pombe and Candida albicans.

在30%，50%，70%，80%，95%乙醇溶液的大孔树脂柱层析洗脱组分中，70%乙醇溶液洗脱组分对裂殖酵母菌和白色念珠菌的抗真菌活性最强。

The basic nitrogen and total nitrogen in the fractions were determined by non-aqueous potentiometric titration and chemiluminescence.

含氮化合物的存在会引起石油加工中催化剂中毒和油品自身的氧化沉积，有些含氮化合物还会致癌[2]。

Even carbon number alkenes, phthalic esters and nitrogen heteroatom-containing components were detected in the elution fractions, while such components were not detected without silica gel column separation, indicating that preseparation is very important for increasing the sensitivity of GC/MS analysis.

各洗脱馏分用GC/MS分析，其可测成分与直接检测相比，多检测出偶碳烯烃、邻苯二甲酸酯类和含氮化合物等，表明合适的预分离对提高GC/MS分析的灵敏度非常重要。

For Gross Calorific Value content on 5,800 Kcal/kg Basis the base price shall be increased /decreased by USD 0.40/0.40 per MT for each 100Kcal/kg, above /below 5,800 Kcal/kg, fractions prorate for the steam Coal.

总发热量以 5，800 大卡/公斤为基准动力煤按 5，800 大卡/公斤计价，每增减 100 大卡/公斤，基价按每公吨增/减 0.40/0.40 美元的比例结算。

The preparation process for methacrolein and methyl methacrylate by oxidation method was studied in a fixed-bed reactor and a slurry reactor respectively with raffinate C4 fractions by-product of ethylene plant as raw materials.

以乙烯装置副产的抽余C4馏分为原料，分别在固定床反应器和浆态床反应器上考察了甲基丙烯醛和甲基丙烯酸甲酯的氧化法制备工艺。

The organization of genomes of A. Sinensis and A. Mississippiensis have been examined, Both reassociation curves are very similar. There are only small fractions of highly repetitive sequences in genomes.

通过DNA复性动力学的分析，测定了扬子鳄和密河鳄基因组的组织结构，两者的复性曲线非常想象，高度重复DNA含量很少，而中度重复DNA序列各占基因组的30％左右。

METHODS: Apical MIs were created in 12 sheep, and 6 had an LV-to-left atrial shunt implanted, consistently producing regurgitant fractions of approximately 30%.

12只绵羊制成心尖部心梗模型，其中6只植入左室到左房的分流器，导致反流分数最大达30％。

The flow convergence parameters were quantitatively and semiquantitatively compared with the regurgitant volumes、fractions and grades gained by pulsed Doppler and the modified Simpson role method.

将各射流及血流会聚参数与脉冲多普勒及改良Simpson氏法所求的返流量、返流分数分别作定量及半定量关系分析比较。

Flow convergence regurgitant volumes and fractions were calculated by using the hemispherical flow convergence equation with 81, 71, 58, 46, 37 and 29cm/sec aliasing limit velocities, and the effective regurgitant areas were calculated with 58, 46 and 37cm/sec aliasing velocities.

按半球血流会聚公式分别计算混叠极限为81、71、58、46、37和29cm/sec时返流量、返流分数(返流量/二尖瓣口流入量)及混叠极限为58、46和37cm/sec时有效返流口面积(返流量/返流速度时间积分)。

The $32 million inventory write-down we took in 2003 occurred because of falling prices for used aircraft early in the year. Specifically, we bought back fractions from withdrawing owners at prevailing prices, and these fell in value before we were able to remarket them. Prices are now stable.

我们在2003年认列的3200万存货跌价损失，其发生的原因在于当年度中古飞机价格下滑的因素，其中较特别的是我们以当时的市场价格从一些退订的客户手中买回部份所有权，而在我们再度将他们出售之前，市场价格进一步滑落所致，目前市场价格已趋于稳定。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。