fractions是什么意思_fractions怎么读_fractions翻译_fractions的相关短语_fractions的翻译_fractions的音标

1、

Using the fractions of vacuum distillate LDAO with cut temperature more than 500 ℃ by hydro-upgrading at laboratory in SINOPEC Jingmen Branch as feedstock, process conditions of ketone-benzol dewaxing& deoiling were investigated at laboratory.

以中国石化荆门分公司实验室加氢改质轻脱>500℃馏分油为原料，在实验室考察了酮苯脱蜡脱油工艺条件。

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2、

There were 16 fractions with pH between 8.5 and 4.0 after chromatofocusing in the first dimension and the UV maps of each fraction were converted into pI/ UV gel maps.

其中，一维色谱聚焦分离pH值在8.5至4.0之间共收集16个组分，每个组分的二维UV图转换成pI/UV胶图。

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3、

Impact of different carbon fractions on temperature sensitivity of soil respiration is complex.

不同有机碳组分对土壤呼吸温度敏感性的影响比较复杂。

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4、

The lack of fine fractions in the expanded clay necessitates the addition of other aggregates.

膨胀性粘土缺乏细料部分,故必须添加其它骨料.

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5、

He claims that by using a sequence of solvents a series of fractions can be obtained.

他指出,用这样一系列溶剂,可以得到一系列级分.

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6、

Continuous data can be expressed in either fractions or whole numbers.

连数资料可以用分数表示,也可以用整数表示.

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7、

1 / 2 , 1 / 4 , and 2 / 3 are fractions.

二分之一、四分之一和三分之二都是分数.

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8、

The fractions and distribution of bioavailable phosphorus in river sediments were studied in order to identify the trophic level of inflow rivers to the west of Taihu Lake.

为了解太湖入湖河道的营养状况，研究了太湖西部河流沉积物生物利用磷的组成与分布。

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9、

Lucy knows how to add and substract but fractions have her up a stump.

做加减法,露西不成问题,可分数却难倒了她.

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10、

The heavier boiling fractions remain, in liquid form on the manifold wall.

较重的沸腾着的馏分以液态停留在多孔的壁上.

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11、

Prediction of the Average Relative Molecular Mass of Petroleum Fractions by Artificial Nerve Network

石油馏分平均相对分子质量预测的神经网络方法

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12、

The students had a grasp of decimals, percentages and fractions.

学生们掌握了小数、百分数和分数。

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13、

Erodible soil fractions are usually dislodged from projections and trapped in depression.

可冲蚀土壤部分经常从凸出物剥蚀并降落于洼地.

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14、

A new method of global prediction for chaotic time series based on continued fractions

混沌时间序列全局预测新方法&连分式法

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15、

The designer can select small port diameters and thereby achieve better loading fractions.

设计人员可选择小的通道直径,从而能得到较好的装填系数.

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16、

Effects of organic anions on the biological availability of inorganic phosphorus from different fractions in soils

有机酸根阴离子对土壤无机磷生物有效性的影响

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17、

Fractions of the phosphor are easily lost.

部分磷光体容易丢失.

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18、

Lucy knows how to add and substract but fractions have her up a stump. The little boy can add, subtract and multiply, but cannot divide.

做加减法，露西不成问题，可分数却难倒了她。那小男孩会做加法、减法和乘法，但不会做除法。

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19、

What fractions of NPP are invested in allelochemic substances in different communities?

在不同的群落的NPP中究竟有多大部分投入他感化学物质?

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20、

Common fractions written in the Greek or Egyptian system were too awkward for astronomical calculations.

用希腊人或埃及人那套办法写出来的普通分数很不便于作天文计算.

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21、

Study on Time-Sharing Difference Absorption Optical Fiber CH_4 Sensor Graded Ring of Fractions, Graded Fractional Module and Method of Graded Localization

分时差分式光纤甲烷气体检测仪的研制分式分次环、分式分次模与分次局部化方法

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22、

Study on phenolic compounds from the low-boiling fractions of pine tar oil

松焦油低沸点馏分中酚类物质的化学成分研究

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23、

Mole fractions or ratio, but it's got units.

摩尔分数或比率，但它是有单位的。

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24、

Mercaptans in the light fractions of FCC naphtha from different refineries were removed by caustic extraction.

采用碱液抽提的方式，对来自不同炼油厂的催化裂化汽油轻馏分进行了脱硫醇精制试验。

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25、

The term " continuant " arises from a relation between this type of determinant and continued fractions.

“ 连行列式 ” 这一名称来自于这种类型的行列式与连分式的相互关系.

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26、

The characteristics of seasonal changes in the mass fractions of organic carbon and total nitrogen at three different layers of soil in different Phyllostachys pubescens stands were studied by the orientation research method.

应用定位研究法探明位于浙江省富阳市春建乡不同结构毛竹Phyllostachys pubescens林土壤0~10,10~30和30~50cm等3个层次有机碳和全氮质量分数的季节变化特征。

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27、

The impurity of supposedly pure subcellular fractions is a constant threat to the plant biochemist.

以为亚细胞组分很纯而实际不纯的情况,一直是植物化学家感到难办的问题.

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28、

Specific mRNA sequences can be enriched for by preparing the RNA from subcellular fractions.

从亚细胞部分制备RNA,可使专一的mRNA序列的丰度提高.

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29、

It occurs as an exchangeable base in the clay mineral and organic fractions of soils.

钙是以交换性盐基在粘土矿物及土壤的有机部分出现的.

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30、

¾ and ⅝ are vulgar fractions.

*¾和⅝均为普通分数。

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