fraction ['frækʃən]
- fraction的基本解释
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n.
小部分, 分数, 破片
- She spends only a fraction of her earnings.
- 她只花了所赚的钱的一小部分。
- The story does not contain a fraction of truth.
- 这故事没有一点真实性。
- He has done only a fraction of his homework.
- 他只做了家庭作业的一小部分。
- 相似词
- fraction的反义词
- n. integer
- 拼写相近单词
- fractional
- fractionalism
- fractionalize
- fractionalized
- fractionalizes
- fractionalizing
- fractionally
- fractionary
- fractionate
- fractionated
- fraction所属的单词分类
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Math & Number / 数学与数字
[192]
y-coordinate · long division · kilo- · x-coordinate · scientific notation · greater than · Venn diagram · q.e.d. · greater · y-axis
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The results indicated that the chemical fraction composition characteristics of heavy metals are different. Cu mainly existed in organic/sulphidic fraction and residual fraction; Pb mainly existed in carbonates, Fe-Mn oxides and residual fraction; Cd mainly existed in carbonates and Fe-Mn oxides fraction; Cr mainly existed in residual fraction.
结果表明，不同重金属在消落区沉积物中形态分布各异，Cu主要以有机物及硫化物结合态和残渣态形式存在，Pb主要以碳酸盐结合态、Fe-Mn氧化物结合态及残渣态存在，Cd主要以碳酸盐结合态、Fe-Mn氧化物结合态存在，Cr主要以残渣态存在。
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The results showed that the fiber had the function of absorbing toluene and trichloroethylene after introducing HEMA into macromolecules, and the absorptive process obeyed Hill equation of sigmoidal model.Toluene and trichloroethylene absorbency increased with the increase of mass fraction of HEMA,and their maximum absorbency was 10 g/g and 21 g/g,respectively.The ratio of remaining fiber also increased with the increase of mass fraction of HEMA to make organic liquid retention ratio strengthen.Furthermore,dynamic mechanical performance of the fiber was affected by mass fraction of HEMA obviously, and the segments movement was influenced more obviously.At the same time,mass fraction of HEMA had a great impact on the surface and cross section morphologies,especially,many cavities existed in surface, and cross section had a lot of holes with asymmetric size when mass fraction of HEMA was equal to 15 wt%.
结果表明，HEMA引入大分子后，所得纤维对有机液体甲苯、三氯乙烯具有吸附功能，且吸附过程符合sigmoidal模型中的Hill方程；随HEMA质量分数的增加，纤维对甲苯和三氯乙烯的饱和吸附量增大，对甲苯和三氯乙烯的最大吸附量分别可达10 g/g和21 g/g；随HEMA质量分数的增加，纤维剩余率增加的同时，使纤维对甲苯和三氯乙烯的握持能力增强；HEMA质量分数对纤维动态力学性能有突出影响，特别是链段运动受其影响更为明显；HEMA质量分数对纤维表面和断面形貌均有显著影响，特别是当HEMA质量分数为15 wt%时，所得纤维表面出现了许多空洞，其断面存在许多尺寸不均的空洞。
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The hypha growth-inhibiting method and the virulence determination method were used to investigate the inhibition effects of the petroleum ether fraction, chloroform fraction, ethyl acetate fraction, n-butanol fraction and water fraction in the alcoholic extracts from the aboveground of Peganum harmala L.
采用抑制菌丝生长法和毒力测定法，研究了骆驼蓬地上部醇提物的石油醚、氯仿、乙酸乙酯、正丁醇和水5个极性部位对南瓜枯萎病菌、西瓜枯萎病菌Fusarium oxysporum f。
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fraction：分数
1)分数(fraction)分子为基数词,分母为序数词并有复数. 1)英语序数词1-19除第一(first),第二(second),第三(third)有特殊形式外,其余均由基数词后加-th 构成. 1)分数(fraction)分子为基数词,分母为序数词并有复数.
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fraction：部分
小蛇在前才产卵(spawn) 专家爱打人(spank),天鹅爱打扮(swank) 妈妈不开心(mump),不要去碰她(bump),哥哥大傻瓜(gump),长个大肿块(lump),丰满才漂亮(plump),死了才脱落(slump) a 部分(fraction)i 摩擦(friction),
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fraction：小数
(A)若BASE=2,则小数(fraction)的第1个位元必须为1 (B)若BASE=8,则小数(fraction)的第3个位元必须不能为000 (C)若BASE=16,则小数(fraction)的第4个位元必须不能为0000 (D)以上皆是260 /D以下何者不是计算机中负整数的表示方法?
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fraction：分式
新人教八年级下册>第5页分式的定义:一般地,如果A、B表示两个整式,并且B中含有字母,那么式子A/B 叫做分式(fraction)还是一般地,如果A、B表示两个整式,并且B中含有字母,B≠0,那么式子A/B叫做分式(fraction)"B≠0"这个条件应不应该有!
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improper fraction：假分数
分子比分母小的分数叫做真分数(proper fraction)分子大于或等于分母的分数叫做假分数(improper fraction)分子比分母小的分数叫做真分数(proper fraction)分子大于或等于分母的分数叫做假分数(improper fraction)分子比分母小的分数叫做真
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