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Before and after treatment, the left ventricular ejection fraction was measured by ultrasonic cardiography.

治疗前后分别行动态心电图检查，测量左室射血分数，测定血清钾浓度。

Comparison of changes in ejection fraction to changes in impedance cardiography cardiac index and systolic time ratio.

无创血流动力学监测对老年隐性心衰的临床意义。实用老年医学， 2008， 22(2)： 159160。[3] 马立业。无创心脏血流动力学监测仪的工作原理、参数意义和临床价值。

Because the limonene does not have a carbonyl group, the small amount of it which remainsin the carvone fraction will not form a semicarbazone derivative.

由於柠檬烯没有羧基，留在香芹酮馏份中少量的柠檬烯将不会产生缩胺基脲的衍生物。

This paper presents a method of synthesizi ng non-equiripple low-pass filter based on iteration analysis,in which the rat ional fraction formed of Chebyshev polynomial is used as the filter characterist ic function.

提出一种用切比雪夫多项式构成有理分式作为滤波器的特征函数，并利用迭代分析进行非等波纹低通滤波器综合的方法。

Chirata, and they were identified as β-sitosterol and swerchirin by spectral method. These two compounds were got firstly from the petrolelum ether fraction of S. chirata.

结论］2种化合物β-谷甾醇与1，8-二羟基-3，5二甲氧基山酮均为首次从印度獐芽菜乙醇提取物的石油醚部位分离得到。

In other words, silicon powder and chloromethane are converted into a mixture of methyl chlorosilane in the presence of catalyst under pressure and heat, and then the intended fraction is separated by efficient fractionation.

产品主要以有机硅单体为原料，采用不同的聚合手段和工艺，添加各种填料和助剂制得。

The excess molar volumes of {1,8- cineole +CCl 4,+CHCl 3} were determined as a function of mole fraction x using a vibrating-tube densimeter at the temperatures 298 15 and 308 15K All mixtures exhibit negative values over the entire composition range at both temperatures.

在 2 98 15K和 30 8 15K下用振动管密度计在全浓度范围内测量了桉叶油素分别与四氯化碳和三氯甲烷构成的二元系的过量摩尔体积。这 2个二元系的过量摩尔体积均为负值，且桉叶油素与氯仿的过量体积显著大于桉叶油素与四氯化碳的过量体积

In this case, the R value is the fraction of variation in the SSG or CIST measurements that can be explained by variation in the curing time, where higher R2 values represent better correlations.

在这种情况下， R值是一小部分变化中的特殊保障或中科院测量，即可以解释变异，在固化时间，需要具有较高的R2的价值体系是不是代表较好的相关性。

For the high nitrogen mass fraction in coal tar,the hydrodenit...

由于煤焦油的氮含量较高，要达到较好的加氢脱氮效果必须在高温、高压和低空速下进行。

The Bone Volume Fraction of COB is 0.49±0.08 at 4 weeks after operation, only 0.16±0.05 at 12th week poster-operation, and the formation of new bone matches to the degradation of COBs.

术后4周COB的骨体积分数(Bone Volume Fraction，BVF)为0.49±0.08，术后12周仅为0.16±0.05，表明材料降解的速度与新骨长入的速度比较匹配。

This is the inheritance of the tribe of the children of Issachar according to their families, the cities and their villages.

19：23 这些城并属城的村庄就是以萨迦支派按着宗族所得的地业。

I've have enough of your garbage.

我听了你的废话。