研究了用于制备高比表面积活性炭的改质煤沥青的调制方法。
Methods of modified coal tar pitch for preparing high specific surface area activated carbon were studied.
实验采用TPSR、TPD、XPS和脉冲反应等方法系统研究了镍基催化剂表面积碳的形态和特点。
The varieties and features of surface carbon depositions on nickel catalyst were extensively investigated by TPSR, TPD, XPS and pulse reaction methods.
介绍了用CO作吸附质,在室温下脉冲吸附测定铜催化剂中活性铜表面积的方法。
A determination method of active surface areas of copper-containing catalysts by pulse adsorption at an ambient temperature with co as adsorbate is described in the present paper.
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.
采用BET、XRD等测试手段,考察了由四种不同方法和条件下制备的VPO催化剂的比表面积和晶体结构。
VPO catalysts were prepared by Four methods. BET and XRD techniques were used to investigate the surface area and phase composition of VPO catalysts.
目的:湿布取样结合数码图像测量软件,探讨一种组织扩张后皮肤表面积的测量方法。
AIM: to find a practical method to measure area of skin over tissue expander by wet-cloth sampling and digital imaging software.
按照通常方法,测定了它们的比表面积、堆积密度、骨架密度。
Their specific surface areas and apparent and skeletal densities were determined according to conventional methods.
实验研究证明,EGME法和亚甲基蓝吸附法是重复性好、准确可靠的泥页岩比表面积测定方法。
It shows that the EGME and methylene blue test adsorption methods are well repeating, correct and reliable testing methods of specific surface area.
本文介绍一种简单、方便、快捷的测定胶体硅微粒比表面积、粒径的方法——碱滴定法,适合工厂及研究中使用。
The measure method of specific surface area and microparticle diameter of colloidal silica by titration with sodium hydroxide was introduced in this paper, which is a simple method.
指出KF氟化剂主要着重于提高比表面积,通过附载于惰性载体上、有机溶液的缓慢蒸发分散、冷冻干燥和喷雾干燥等多种方法可以达到这个效果。
With the methods like dispersing KF on inert carriers, dispersing by slow distillation of its solution in polar organic solvent, freeze-drying and spry-drying, etc. are feasible .
本文研究了用氮吸附法测定纳米粒子比表面积的实验方法。
The experiment method of the measurement nanoparticles specific surface areas by the nitrogen adsorption method is investigated.
本文用回归分析方法分析了122艘圆舭艇湿表面积系数,得出湿表面积系数预报方程序。
The wetted surface coefficients of 122 round bottom crafts have been analysed in order to derive a prediction equation by the method of least-squares.
介绍了超微银粉烧结过程,并且给出了用BET等温吸附方法测量烧结物表面积的结果。
A process for sintering submicron silver powders is described. The surface area of the sinter determined by the BET adsorption isotherm technique is given out in this paper.
一种整体式高比表面积多孔吸附剂及其制备方法,属于多孔吸附剂技术领域。
An integral type high specific surface area porous sorption agent and a preparation method thereof belong to the technical field of porous sorption agents.
结论:本文所提方法计算量较小,可以精确地计算扩散椭球表面积。
Conclusions: the proposed less computationally intensive method may be used to precisely calculate the diffusion ellipsoidal surface area.
针对传统评茧方法的缺陷,提出了基于机器视觉技术的蚕茧表面积测量方法。
Aiming at the drawbacks of the traditional way for cocoon evaluation, a measurement method for cocoon superficial area was advanced based on the technology of machine vision.
BET比表面表明,适宜的硅溶胶浓度可以使催化剂具有较大的比表面积,但制备方法对比表面积影响不大。
It was shown by BET surface area that the suitable concentration of silica sol could make the catalysts have bigger surface areas, but preparation method had little influence on surface area.
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 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.
声波清灰是一种利用声场能量的作用,清除物料表面积灰的方法。
Acoustic wave ash clean-out is a method of using energy of sound field to clean out ash on the surface of materials.
我们没有扩大地表面积,而选择了挖进一层并遮蔽住停车场,用一种简单的方法使停车容量加倍。
Instead of enlarging the floor area, we chose to partially dig in and cover the car park, doubling the capacity in a simple way.
试验发现,比表面积相同时,不同粉磨方法制成的水泥强度有明显差异。
The test results show that the strength of cements ground by different mills is obviously different.
应用表面改性剂进行了氢氧化铝表面改性研究,采用了比表面积测定、红外光谱分析等测试方法对改性效果进行评价,确定了最佳改性条件。
The surface modification results were analysed by the methods of the specific surface area measurement and infra red absorption spectroscopy, and the best conditions for modification were obtained.
通过表面积分的方法得到各种列车车头的阻力,进而计算得到了车头模型的阻力系数。
Drag of the train head is obtained by the method of surface integral and drag coefficient can be computed at the same time.
为满足特种纳米粉高比表面积和高纯度的性能指标制备要求,降低成本和实现大量生产提供了一种较为可行的技术方法。
This technique is feasible to reduce production costs and step up production in order to meet the high performance needs of ratio superficial area and purity.
文中给出了几个理论例子,说明表面积分法的精度比常用地改方法的更高。
Several theoretical examples given in the paper show that the terrain correction of the surface...
实验表明,制备方法对催化剂的相组成、孔径分布、比表面积等有明显影响,但对其形貌的影响不大。
The results shows that the preparation method significantly causes the change of phase composition, pore size distribution and specific surface area, but has little effect on its morphology.
使用本发明方法制备的碳掺杂五氧化二铌具有纳米片和纳米颗粒共存的结构,比表面积大。
The carbon doped niobium pentoxide prepared by the method possesses the co-existing structure of a nanometer flake and a nanometer particle, thereby the specific surface area is big.
这不仅为选择劣化食用油处理剂提供了简捷的方法,也可作为测定固体物质表面积的实验方法。
This may not only offer a handy method to choice treating agent of bad edible oil, but also regarded as a kind of method to measure the area of solid.
由BET方法发现,以异丁醇为润湿剂对催化剂表面积影响较小。
BET shows that isobutanol as the liquid medium causes less change to the surface area of catalysts.
由BET方法发现,以异丁醇为润湿剂对催化剂表面积影响较小。
BET shows that isobutanol as the liquid medium causes less change to the surface area of catalysts.
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