随着平均粒径的增加,超细羽绒粉体的体积表面积不断增加,溶胀率也逐渐增加。
The property of swelling was increased with the increasing average diameter of down powder.
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。
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.
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。
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.
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%。
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.
如果我们要讨论它的体积,我们要用的是表面面积,也就是4πr的平方,乘以厚度dr
So if we want to talk about the volume of that, we just talk about the surface area, which is 4 pi r squared, and we multiply that by the thickness d r.
大部分这些行星的体积比原本体积较大的土星还要大,这使得它们都不太适宜人类居住——因为这些体积巨大的行星往往都是气体行星,像土星一样没有可供行走的固态表面。
Most of those planets are more massive than Saturn, which makes them unpromising from a habitability standpoint-such giants tend to be gaseous bodies without a surface to walk on.
他们已经知道,由于高温,1956年起附近的穆鲁拉塔山(Mururata)冰川表面积已经消失了超过20%,体积的百分比则可能更大。
They already know that the nearby glacier of Mururata has lost more than 20% of its surface area since 1956 due to higher temperatures, and probably a greater percentage of its volume.
电阻率的测量方法是测量电阻,然后再考虑几何因素将其变换成表面电阻率或体积电阻率。
Resistivity is determined by measuring resistance, then converting to surface or volume resistivity by taking geometric considerations into account.
松香肿块表面有许多小的体积比,不氧化后,显着。
Lumps of rosin have much smaller surface to volume ratio and do not oxidise significantly.
在已知空间物体表面区域方程的前提下,利用黎曼和可以方便地求出被测物体的体积。
It is very convenient to calculate the object volume to use Riemann sum after obtained the object surface region equation.
小行星的体积越大,潜在灾难的规模就越大。行星的表面反射率——天文学家称为反照率——决定了它有多容易被探测到。
The bigger the asteroid, the greater the potential cataclysm. The reflectivity of the surface — what astronomers call albedo — tells how easily it can be detected.
要是你还记得的话,上生物课时我们学过:一件物件的表面面积比率,随著物件体积减少而增加。
To remind you of something we learned from biology: the surface area ratio increases when the volume of an object decreases.
完全写实,其实你想要的是一个完整的表面体积使你。
For complete realism, what you actually want is a full volume render of your surface.
与正常大鼠的骨结构相比,骨质疏松模型大鼠中的无机矿物质颗粒的比内表面和体积百分数减小。
Comparing with normal rats' bone structure, the specific inner surface and the volume fraction of inorganic mineral's particles in osteoporotic rats reduced.
介绍了半导体超细粒子的概念、结构及特性,主要是包括量子尺寸效应、体积效应、表面效应;
This thesis introduces the concept, structure and properties of semiconductor ultrafine particle (SUFP), including quantum-size effect, surface effect and volume effect et, al.
结果表明,相邻粗集料表面最近间距随集料体积分数的增加以及集料细度的增大而减小。
The results show that the surface spacing decreases with the increasing of aggregate fineness as well as with the increasing of aggregate volume fraction.
高出光效、小体积、非连续表面自由曲面透镜设计方法。
Using high light efficiency, small size, non-continuous surface free-form lens design method.
研究碳纤维水泥试块两电极电阻和三电极法测得的体积电阻与表面电阻。
The volume resistance and surface resistance measured by three electrodes and the resistance between two electrodes (r) of carbon fiber reinforced cement (CFRC) were studied.
因此,(根据管道系统的计数和表面积)准确了解下降到最顶层穿孔的体积。
Therefore, the volume down to the topmost perforation must be accurately known (from the tally and surface volume of pipework).
结果肝左叶体积、肝表面形态和肝裂增宽等肝脏形态学改变随着肝纤维化严重程度的加重而有统计学差异。
Results With the severity of hepatic fibrosis, the volume index of left lobe of liver and changes in hepatic contour, widening of inter lobar fissure increased significantly.
第二,这类天体的表面积对体积比值高,促使散热更快,因此在各次撞击之间会快速冷却。
Second, the high surface-to-volume ratios of such bodies promote heat loss, so they cool quickly between successive impacts.
单位砂浆体积下集料的表面积的变化对邻近集料表面最近间距的平均值有影响,但二者之间的比值并非常数。
The surface area of aggregate per unit volume of mortar does have influence on the mean value of the nearest surface spacing, but the ratio between them is not constant.
凸体的混合体积理论提供了统一处理各种不同的重要的几何量的方法,比如体积和表面积等。
The theory of mixed volumes provides a unified treatment of various important metric quantities in geometry such as volume and surface area.
凸体的混合体积理论提供了统一处理各种不同的重要的几何量的方法,比如体积和表面积等。
The theory of mixed volumes provides a unified treatment of various important metric quantities in geometry such as volume and surface area.
应用推荐