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Through addition of heteropolyacid inhibitors, double boiler crystallization to greatly reduce the layer distribution between the filtering layers (mass fraction is controlled in the range of 1%~2%), pressure rises calmly with the increase of filtering time.

通过在结晶釜中加入杂多酸类阻聚剂、采用双釜变温结晶的方法，使过滤层的层间分布显著减小（质量分数控制在1%~2%范围），压力随过滤时间的增加而缓慢平稳升高。

Based on the oil-water flow rate and density obtained with a double-U Coriolis flow meter, and by the help of Support Vector Machine, a direct prediction method of the oil-water respective mass flow rate was developed to avoid the need of study on the complex relation between the slip velocity, water hold up and water fraction.

以双U型Coriolis流量计得到的油水混合物的质量流量和密度为基础，提出了基于支持向量机油水分相质量流量的直接预测方法，避开了直接对滑脱速度、持水率与含水率等之间复杂关系的研究。

The arsenic-removal dreg is high with main content As_2S_3 mass fraction 95.4%, which make the dreg is liable to be utilized.

从而有效避免了剧毒物AsH_3的产生、含砷废渣造成的二次砷污染、以及砷资源浪费。

Firstly, single bubble in the dense zone of fluidized bed was simulated, the second is the curve of the fluid particle, the third is solid space ratio distribution, the fourth is particles velocity vectorgraph and particles volume fraction, the fifth is grain press drop and rapid kinetic energy and rapid kinetic energy dissipation ration.

模拟了反应器中气泡的产生、形成、发展及爆裂，流体质点在运动过程中走过的曲线，炉膛内固相空隙率的分布，床内颗粒浓度场和速度场的分布，床内压降的分布，湍动能和湍动能耗散率。

While that is a fraction of the drywall used in the U.S., it is enough to build roughly 35,000 houses.

尽管这在美国所使用的石膏板中所占比例很少，但也足以建造大约35，000座房屋。

In the standard test, it was found that the dustiness of nanopowder was much higher than submicro-powder. The average inhalable, thoracic and respirable dustiness mass fraction in mg/kg and the dustiness level of TiO2 nanopowder were 6713±546, 576±37 and 15±2, respectively, and were 142±20, 73±6 and 11±0.3 for ZnO submicro-powder.

在传统标准方法的测试结果发现奈米粉体的逸散性比次微米粉体高出很多，TiO2奈米粉体逸散时的可吸入性粉尘、胸腔区粉尘和可呼吸性粉尘质量分率分别为6713±546、576±37和15±2 mg/kg，扬尘等级分别为高等、中等以及低等。

The results showed that it was effective for TVB-N mass fraction rapid detection in fishmeal based on electronic nose.

研究结果表明，利用电子鼻技术可以有效对鱼粉中TVB-N质量分数进行检测。

Left ventricular ejection fraction was evaluated at registration and 3, 6, 9, and 18 to 21 months.

在3，6，9和18到21个月检测左室射血分数。

A normal ejection fraction is 50 percent or greater.

正常射血分数为50%或更高。

Objective: To analyze 25-case off-pump coronary artery bypass grafting in patients with low left ventricular ejection fraction.

目的：分析25例射血分数小于30%的冠心病患者进行的非体外循环冠状动脉搭桥术。

For every one of my New Year resolutions, I have been a backslider for years.

说到我的新年决心，我每年都做

With empathy and focus on a feeling level, we can all relate to the common ground of mutuality of emotions.

有了同情心和感觉上一级的重点，我们都可以涉及到相互的情感共同点。