By analyzing the volume mass-transfer coefficient, the optimal operating flow-ratio and packed density were obtained.
通过考察体积传质系数，确定了纤维液膜萃取分离器的最佳填充密度和最佳流量比。
Using on-line monitoring technology, effect of the nozzle diameters on, liquid volume mass transfer coefficient, and its axial distribution were studied.
运用动态监测技术，测定了喷嘴孔径对鼓泡床质量传递的影响以及鼓泡床体积传质系数随床高的分布。
Because these galaxies' mass is spread out over larger areas, they have far fewer stars per unit volume than do conventional galaxies.
因为这些星系的质量分布在更大的区域，它们每单位体积的恒星数量比传统星系要少得多。
The bigger the animal is, the lower its surface-to-volume ratio; for every ounce of body mass, there is proportionately less surface through which heat can escape.
动物体型越大，其体表体积比越低；躯体每增加一盎司的重量，所能散发热量的表面就成比例减少。
This does not change the craft's mass but decreases its volume, which lowers its buoyancy and makes it slowly sink.
这并不改变航行器的质量，但是减小了它的体积，这将降低它的浮力并使它慢慢下沉。
Since density is mass divided by volume, the relative densities and relative sizes give the relative masses.
由于密度是质量除以体积，相对密度和相对大小给予相对群众。
The key to forming a black hole is cramming enough mass or energy into a small enough volume, as happens when a massive star collapses.
黑洞形成的关键是在一个足够小的容积内填充足够多的质量或能量，正如高量星将要爆炸的时刻。
You just need a few macroscopic variables that are very familiar to you, like the pressure, the temperature, the volume, the number of moles of each component, the mass of the system.
你只需要某些你非常熟悉的宏观变量，比如压强，温度，体积，每个组分的摩尔数，系统的质量。
The convection zone reaches up to the sun's surface, and makes up 66 percent of the sun's volume but only a little more than 2 percent of its mass.
对流区的范围直达太阳表面，占有太阳体积的66%，但只有太阳质量的2%多一点儿。
Kwok said: "ice volume allows us to calculate annual ice production and gives us an inventory of the fresh water and total ice mass stored in Arctic sea ice."
Kwok称：“通过冰层的总量，我们可以计算出每年冰的产生量，并列出一份北极冰盖中所含有的淡水和冰总量的清单。”
Moreover, some studies have linked a higher body mass index with brain-volume loss.
此外，许多研究还发现体重指数的增高与脑容量减少之间有具有一定的联系。
Next is the radiative zone, which extends from the core to 70 percent of the way to the sun's surface, making up 32 percent of the sun's volume and 48 percent of its mass.
接下来是辐射区，其范围从核心表面到太阳半径的70%处，占太阳总体积的32%，总质量的48%。
Honda is the No. 2 hybrid car maker by volume after Toyota, and its Insight hybrid car was the first mass-produced hybrid automobile sold in the U.S..
本田混动汽车销量仅次于丰田，它的Insight混动汽车是在美国销售的第一款量产混合动力汽车。
The volume, area, and density of the fusion mass were significantly increased by augmentation with bone marrow cells.
通过加入骨髓细胞，融合组织团的的数量，面积和密度有显著增加。
Although it only makes up roughly 2 percent of the sun's volume, it is almost 15 times the density of lead and holds nearly half of the sun's mass.
尽管它只占太阳总体积的2%，但其密度可达铅的16倍，并占有差不多一半的太阳质量。
A finite volume method was utilized to perform a discrete solution for the equations of mass, chemical components, momentum and heat energy conservation.
利用有限体积方法对质量、化学组分、动量和热量守恒方程进行离散求解。
Mass per unit of volume in powder form, including the air trapped between the particles.
每单位体积粉末的质量，包括粒子之间的空气。
In short, the volume is the "size" of an object-it has nothing to do with its mass.
总之，体积就是物体的尺寸，所以它与重量有关。
Bhutan, famously wary of mass tourism, has been trying to prevent an influx of "volume tourists" who might create demand for Western-style culture.
不丹对游客数量非常重视，多年来一直试图阻止大量来此的旅游团，因为这可能会使本国对西式文化产生需求。
A distribution of air pressure and the mass of a given volume of air such that the air density is not a function only of atmospheric pressure.
一种气压的分布情况，其中给定体积内的空气质量，即空气的密度，不仅仅是气压的函数。
In physics it is an identification of material by noting its mass per unit volume.
在物理学上，是以每单位体积的质量来鉴别物质。
Natural gas caloricity gaging is more scientific and impartial than volume gaging and mass gaging.
天然气热值计量是比体积和质量计量更为科学和公平的计量方式。
Gradient-density PUF was produced in two ways : mould shaping and embed shaping, through changing volume filling coefficient, mass filling coefficient, and the size of foam core.
采用模塑成型和嵌入成型两种方法，通过改变体积填充系数、质量填充系数和芯体尺寸，制备了梯度密度聚氨酯泡沫塑料。
The energy content of fuels is directly related to the mass and not volume.
与燃料的发热值直接有关的是质量而不是容积。
The mass per unit volume of a substance under specified conditions of pressure and temperature.
在特定压力和温度条件下某物质单位体积的质量。
An effective reactivity control scheme is necessary for reducing the volume and mass of the liquid metal reactor.
为了减少液态金属反应堆的体积和重量，需要设计一种高效的反应性控制方案。
Objective To study the changes of plasma volume, red cell mass, and blood volume in preoperative surgical patients.
目的研究不同外科疾病病人术前血浆量、红细胞量和血容量变化情况。
Objective To study the changes of plasma volume, red cell mass, and blood volume in preoperative surgical patients.
目的研究不同外科疾病病人术前血浆量、红细胞量和血容量变化情况。
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