fraction 四级六级考研GREGMAT

1.Earthworms comminute the mineral fraction of soils.

蚯蚓粉碎土壤中的碎片。

2."Mother's careful with her money, and spends only a fraction of her earnings."

"母亲用钱很审慎,只花自己收入很小的一部。"

3.Only a fraction of my friends have video recorder.

我的朋友中只一小部人有录像。

4.The car missed me by a fraction of an inch.

那车差一点儿就要撞到我了。

5.He does not like the new governess by a fraction.

他一点也不喜欢他的新家庭女教师。

6.The definition ,basic nature, important rule and histerieal significancy of continued fraction are introduced.

介绍了连数的含义、基本性质以及连数的重要定理和作用。

7."Both ventricular ectopy during recovery and a low ejection fraction were independent predictors of death," the authors write.

作者表示，在回复期的心室异位性搏动及低射出率，是死亡的独立预测因。

8.A median dose of 20 Gy prescribed to the 80% isodose line was administered in a single fraction.

中位值为20戈瑞剂量（建议达80%的等剂量线）以单成方式给予患者。

9.Increased reaction time, smaller coal particle size and increased reburn fuel fraction lead to higher NO reduction rate.

所以,在使煤粉成为超细粉的基础上,利用低挥发烟煤作为再燃燃料是具有可行性的。

10.Monooctanoin was prepared by mixing monoglyceryl octoate and diglyceryl octoate with mass fraction was 70% and 30% respectively.

将质量数别为70%和30%的单酯和双酯混合，即得蒙克汀。

11.The system can easily change coflow temperature, oxygen mole fraction and turbulence parameters by changing the coflow mixture equivalence ratio.

该试验装置利用氢气／空气预混合气的高温产来形成可控活化热氛围，能方便地通过改变协流当量比而改变协流的热氛围、氧氛围和湍流场。

12.This article introduces the process design of rectification separation of methylnaphthalene and acenaphthylene fraction from Wash Oil with twin furnaces and twin column.

介绍了洗油通过双炉双塔离精制生产甲基萘和苊油馏的艺设计。

13.In this paper, not only unpurified fraction, but also highly purified snake venoms are discussed,such as rhodostomin, acutobin, agkistrodon halys antithrombotic enzyme, batroxobin.

人们对纯化的蛇毒制品和非纯化的蛇毒制品已有了较深入的研究。

14.The cost is only a fraction of his salary.

那项费用不过是他薪水的一小部。

15.Technology Progress of producing BTX aromatics from heavy fraction of pyrolysis gasoline and correlative hydrodealkylation and non-aromatics hydrocracking techniques were reviewed in this paper.

综述了裂解汽油重质馏增产BTX芳烃的技术进展以及与此相关的加氢脱烷基和非芳烃加氢裂解技术。

16.The (superscript 99m)Tc-MDP bone scan performed one hour after one fraction of external beam irradiation showed increased MDP uptake in the irradiated left hemithorax.

在首次放射线治疗后一小时注射的鎝-99m-MDP骨骼扫描即显示于左侧胸部有鎝-99m-MDP摄取增加。

17.In contrast to simplistic expectations, the total amount of protofibrils and the amount of permeabilizing activity per mole protein in the protofibril fraction were reduced by the E46K mutation.

与过简单化的期望相反，E46K突变减少了原纤维的总数和有孔道样结构的原纤维数。

18.This high performance oil free eye gel derived from plant sources that are rich in proteic fraction, flavonoids and tannins helps to induce brighter complexion by helping skin recover its firmness.

高效力且不含油质的眼霜由多种植萃取配制而成，可帮助抚平眼睛周围细致的皮肤。