In the present work, in order to improve the success rate of radiotherapy we used the visualization toolkit (VTK) to achieve the surface and volume reconstruction of the nasopharyngeal tissues.
为了提高放射治疗的成功率,本文采用可视化工具包(VTK)分别实现了鼻咽部组织的表面重建和体重建。
And if you have rough candy with a high ratio of surface area to volume, then there's more places for the bubbles to go.
如果你粗燥的硬糖具有很大的表面积,那么泡泡们就有更多的地方可以去了。
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.
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。
One hundred and ten thousand cubic kilometers of precipitation, nearly 10 times the volume of Lake Superior, falls from the sky onto the earth's land surface every year.
一万一百多立方公里的降雨,几乎是湖泊级别容积的十倍,这是每年从天上到地球表面上的降水量。
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.
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
Those include uncovering how bubble growth rates vary with the number of bubble sides and minimizing the surface area per unit volume.
比如探究气泡生长速率如何随气泡面的数目变化而变化,以及单位容量内使表面积最小化。
The Arctic fox can survive some of the most extreme temperatures on the planet with its thick fur and low surface-area-to-volume ratio.
北极狐拥有厚厚的皮毛,身体的散热面积较小。即使在一些极端的温度下,也能顽强地生存。
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。
This, in turn, means clever engineering can increase the surface area (and thus the storage capacity) without increasing the volume.
这样,就意味着巧妙的工程学能够在电压不变的情况下通过增加电极间表面积以提高电荷储备。
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%。
This section details how to make surface and volume resistivity measurements with these test fixtures, as well as the Alternating Polarity and Alternating Voltage techniques for measuring resistivity.
本节详细介绍如何使用这些测试夹具来进行表面电阻率和体电阻率的测量,以及测量电阻率时使用的变换极性和变换电压的技术。
The content of the survey involved the volume density, surface and length densities.
内容涉及到各种组织的体积分数、面积密度、长度密度等。
Therefore, the volume down to the topmost perforation must be accurately known (from the tally and surface volume of pipework).
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。
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.
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。
It's easy for the beasts to overheat: they may face temperatures of up to 120 degrees Fahrenheit, and they don't have much skin surface area to radiate the heat relative to their big body volume.
野生动物总是很容易就身体过热:它们的体温可能超过120华氏摄氏度,而且能够辐射热量的皮肤表面积也不多。
An effective algorithm is presented here for seeking and realizing the intersection of tool sweep volume with surface vector.
提出一种实现刀具扫描体与曲面矢量求交的有效算法。
Then, the authors improve above results from mixed volume and projection bodies to the polars of mixed projection bodies and affine surface area, and get some analogous results.
然后,把这些结果从一般的混合体积和投影体推广到混合投影体的极和混合仿射表面积上,获得了一些较理想的结果。
Comparing with normal rats' bone structure, the specific inner surface and the volume fraction of inorganic mineral's particles in osteoporotic rats reduced.
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。
The high purity, high surface area, large pore volume and proper pore structure of active carbon as a support for ruthenium catalyst usually lead to high catalytic activity for ammonia synthesis.
具有高纯度、高比表面、大孔容及合理孔分布的活性炭载体有利于活性组分有效均匀的分散,制备出高活性的氨合成钌催化剂。
Both the volume integral equation method and the surface integral equation method are used in this paper.
分别运用了体积分方程法和面积分方程法来求解问题。
The relation between normal liver volume measured by CT and body surface area (BSA) was studied by linear regression and correlation method, the standard liver volume formula was deduced.
使用直线相关和回归的方法研究正常人群肝脏体积与体表面积的关系,得出相应的回归方程。
The surface area, the pore volume and the activity of isopropanol decomposition reaction are only a function of exchange degree and are not affected by the exchange methods.
固相交换样品的比表面、孔容变化和异丙醇分解反应活性都与液相交换样品相同,只是交换度的函数,与交换方法无关。
The effect of the pore volume and surface area of hydrotreating catalyst on its activity was studied.
考察了加氢精制催化剂的孔容和比表面对其活性的影响。
Based on SAXS theory and fractal theory, we obtain the calculating method and calculating formulas of the pore size, pore volume percentage and the fractal of pore surface in PAN - based carbon fiber.
基于小角X射线散射理论,利用逐级切线法和材料分形理论中的散射强度法,分别计算PAN基炭纤维内微孔大小、体积分数及微孔表面分形维数。
The result shows that adsorption and desorption performance of Benzene vapour by activated carbon are related to the specific surface, hole volume, hole diameter and distribution of hole.
结果表明:苯蒸汽在活性炭上的吸脱附性能明显与吸附剂的比表面、孔容、孔径与孔径分布直接相关。
Air oxidation treatment leads to a remarkable increase in the surface area and mesopore volume of ac samples but little change in the quantity of surface oxygen groups.
而空气氧化处理则会导致活性炭的中孔面积和孔容显著增大,但对表面含氧基团的影响较小。
The measurements of the body surface area, the volume and numbers of sweat gland and the heat resistant parameters show that the Bomin cattle have large body surface area.
作者对婆闽牛的体表面积、汗腺数量与体积、耐热系数的测定等研究表明,婆闽牛体表面积大,利于散热;
The measurements of the body surface area, the volume and numbers of sweat gland and the heat resistant parameters show that the Bomin cattle have large body surface area.
作者对婆闽牛的体表面积、汗腺数量与体积、耐热系数的测定等研究表明,婆闽牛体表面积大,利于散热;
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