查询词典 fraction

Essential oil was extracted from the petroleum ether-soluble fraction of the leaves showed having antibacterial activity. It was demonstrated that the essential oil has significant antibacterial activity and the activity of the petroleum ether-soluble fraction is attributed to it. The constituents of the essential oil were analysized by GC-MS.10 relatively abundant components were identified on the basis of MS, among which Geranlgeraniol was found in the essential oil of Perilla frutescens leaves for the first time.

对具有抗菌活性的紫苏叶石油醚萃取物进一步精制，从中提取出挥发油，通过抗菌测试证明紫苏叶挥发油具有良好的抗革兰氏阳性菌和革兰氏阴性菌活性，是紫苏叶石油醚萃取物抗菌活性的来源；采用GC-MS对紫苏叶挥发油进行了成分分析，得到10种含量较高的主要化合物，其中的牻牛儿基牻牛儿醇首次在该植物挥发油中被发现。

The properties of light fractions (including naphtha, jet fuel and light hydrogenated lube base oil) from the 300 kt/a lube isodewaxing unit of SINOPEC Shanghai Gaoqiao Company were reviewed and a proposal for optimizing utilization of these fractions was presented, such as producing AR petroleum ether from naphtha; superior odorless kerosene and rolling oil of aluminum foil from jet fuel fraction; transformer oil, high quality white oil and jelly wax from light base oil fraction.

对中国石化上海高桥分公司300kt/a润滑油异构脱蜡装置生产的石脑油馏分、喷气燃料馏分及轻质加氢基础油性质进行试验分析，提出合理的利用方案，其中石脑油馏分可生产分析纯石油醚，喷气燃料馏分可生产特种煤油与铝箔轧制油，轻质加氢基础油可生产变压器油、高档白油以及果冻蜡。

Photopia allows you to produce virtual luminaires in a fraction of the time and for a fraction of the cost of physical prototypes.

Photopia 让您以制作实体原型所需花费成本与时间的小部份比例而作出虚拟灯具。

On the other hand the proliferation activity of ConA-induced splenocytes was enhanced by polysaccharide fraction of Hoshouwu. In mucosal immunity, although polysaccharide fraction of Hoshouwu might not be an effective adjuvant, it enhanced IgM antibody production induced by Pneumococcus vaccine.

何首乌甲醇粗萃物促进自然杀手细胞活性和增强骨髓系造血反应，而何首乌高分子提升全身免疫作用的 T 细胞活性；肠道黏膜系统免疫反应方面，虽然何首乌高分子无法作为有效的佐剂，但可加强肠道病菌感染时的 IgM 抗体反应。

At this point the mass fraction of copolymer solution that is the critical mass fraction of the association.

此时共聚物溶液的质量分数即是临界缔合的质量分数。

The experimental results show that the compressive strength of preform increases with the increasing of fiber volume fraction and binder mass fraction.

试验结果表明，氧化铝短纤维预制件的抗压强度随着纤维体积分数的升高而升高，随着黏结剂质量分数的提高而升高。

Proper fraction problems were more difficult than unit fraction problems.

在简单分数概念表现上，真分数问题比单位分数问题困难些。

If the calculation result is a fraction, please write down the answer in the simplest form of proper or mixed fraction, otherwise decimal figure is also accepted.

若计算结果是分数，请化至最简，并确保为真分数或带分数，或将计算结果写成小数。

The order of Fibonacci proper fraction: The row/column of the partition table is, even more amazing, exactly the order when sorting the Fibonacci proper fraction with fixed denominator/numerator.

二 正整数的分割。所有的移动步骤将正整数做了一个新的分割；此分割模k之后有良好的循环性质。费波那契真分数的排序。

The effect of various polar fractions from Psoralea corylifolia L. ethanol extract on cell proliferation and differentiation were further examined and its ethyl acetate fraction were found to be active fraction.

对补骨脂不同极性萃取物进一步进行成骨样细胞增殖和分化活性测试，发现补骨脂乙酸乙酯萃取物为补骨脂中的主要活性部分。

The father that if work,mad father, love annoys, disposition is too indrawn the be short ofing that the father of Mu Ne, resign oneself to adversity causes father easily to love is broken; Communicate time effectively between father and son, Mu Zizhi to be less than a hour on average to wait a moment every week, it is the cause that causes the child to become addiction.

如工作狂的父亲、爱愤怒的父亲、性格过于内向木讷、逆来顺受的父亲都易造成父爱的缺失；父子、母子之间的有效沟通时间每周平均小于一小时等等，都是造成孩子成瘾的原因。

These are vandal proof and they come with a locking mechanism.

这是野蛮的证据，他们来到了锁机制。