查询词典 fraction

It needed only a fraction of a second to behead him.

砍去他的脑袋只要短短的一瞬。

The graft copolymer has an optimum effect of pour point depressing for the Daqing crude oil when it was synthesized under the conditions of that the mole ratio of EVA and octadecyl maleimide was 1:20, mass fraction peroxidation benzoin formyl was 2.5%, polymerization time was 6h, and the polymerization temperature was 90℃.

以目标物的降凝幅度为评价指标，优选出适合的合成条件为：EVA与十八烷基马来酰亚胺的摩尔比为1：20，引发剂过氧化二苯甲酰的量为2.5%，聚合时间6h，聚合温度为90℃。

Under optimal reaction conditions: catalyst dosage(mass fraction based on benzonitrile)6%,etha...

在上述条件下，苯甲腈催化加氢反应的表观活化能为20.4kJ/mol。

The fraction of benzyl benzoate and fluorenone were enriched from benzoic acid residua by flash distillation,then separated by vacuum batch distillation,so the recovery of benzoic acid residua was implemented.

依据相关文献确定了通过闪蒸法富集苯甲酸釜残液中的苯甲酸苄酯和芴酮馏分，其后减压间歇精馏分离富集馏分，实现了苯甲酸釜残液的回收利用。

The valve replacement with partly or whole mitral valve structure can improve the ventricular internal diameter, ejection fraction, cardiac index and stroke volume, thus improving cardiac function. However, bicuspid valve restenosis should be avoided through active observation.

保留部分或全部二尖瓣结构的瓣膜置换能更好地改善左心室内径大小、射血分数、心指数、每搏输出量，从而改善心脏功能，但要积极观察以避免出现二尖瓣再狭窄。

In order to represent a binary number, the fraction point can be assigned at certain position.

要显示二进制小数，小数点位可以固定在某个位置。

Cell survival was evaluated using optical bioluminescence on days 1, 5, 8, 14, and 28 postoperatively. At 4 weeks, fractional shortening and ejection fraction were determined using echocardiography and magnetic resonance imaging, respectively.

在手术后第1、5、8、14及28天用生物发光法测定细胞的存活率。4周后，分别用心脏超声和磁共振影像学测定缩短分数和射血分数。

By allocating code space precisely to a fraction of a bit, arithmetic coding achieves a better efficiency than Huffman coding.

算术编码则进一步将编码空间的配置精确至小数，达到更佳效果。

The same figure shows also their bivariate population distributions as a function of population density and vegetation fraction.

同样图并且显示他们的二元人口分布作为作用人口密度和植被分数。

The effects of blackening time and the mass fraction of phosphorus of the coating on the morphology of a porous coating was investigated.

以不同磷的质量分数的镀层为研究对象，研究了腐蚀时间、镀层中磷的质量分数对镀层表面构造一种多孔结构的形貌特征的影响。

It's bell can reach over a meter in diameter.

它的身体最大可以达到直径1米多。

Now they are overdue and I shall have to pay a fine.

现在他们过期了，我不得不付罚款。