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垂直毛细管
相关语句
  perpendicular capillary
     THE STUDY OF FLOWING LAW OF ADHERENT FLUID IN PERPENDICULAR CAPILLARY AND ADHESION MEASUREMENT
     粘滞流体在垂直毛细管内的流动规律研究及粘度测量
短句来源
     This paer presents a new way to measure adhsion coefficient in perpendicular capillary.
     本文提出了一种测量粘滞系数的新方法──在垂直毛细管中进行测量。
短句来源
  “垂直毛细管”译为未确定词的双语例句
     Based on fundamental theory about one-dimensional two-phase flow and the experimental results, the complexed pattern of capillary bubbly slug flow was analyzod and a theoretical formula of axial pressure gradient of the slug flow inside a vertical capillary tube was derived so a pressure correcting method for measured Bubble Size Distribution (BSD) in gas-liquid dispersions was developed.
     本文从一维两相流的基本理论出发,分析了毛细管气泡块状流(BSF)的复杂形态,推导出了垂直毛细管内BSF的轴向压力梯度的理论公式。 并在实验基础上,建立了光电毛细探头技术(Ⅰ)测定气泡尺寸分布(BSD)的压力校正方法。
短句来源
  相似匹配句对
     Red-copper Capillary Tube
     紫铜毛细管
短句来源
     A COMPUTATIONAL MODEL OF CAPILLARY TUBE
     毛细管的计算模型
短句来源
     Vertical Limit
     垂直极限
短句来源
     THE STUDY OF FLOWING LAW OF ADHERENT FLUID IN PERPENDICULAR CAPILLARY AND ADHESION MEASUREMENT
     粘滞流体在垂直毛细管内的流动规律研究及粘度测量
短句来源
     vertical hemilaryngectomy;
     喉垂直部分切除术;
短句来源
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Based on fundamental theory about one-dimensional two-phase flow and the experimental results, the complexed pattern of capillary bubbly slug flow was analyzod and a theoretical formula of axial pressure gradient of the slug flow inside a vertical capillary tube was derived so a pressure correcting method for measured Bubble Size Distribution (BSD) in gas-liquid dispersions was developed. Apple-Ⅱ microcomputer set is equipped successfully in a photoelectrical capillary probe system for the measurement of BSD...

Based on fundamental theory about one-dimensional two-phase flow and the experimental results, the complexed pattern of capillary bubbly slug flow was analyzod and a theoretical formula of axial pressure gradient of the slug flow inside a vertical capillary tube was derived so a pressure correcting method for measured Bubble Size Distribution (BSD) in gas-liquid dispersions was developed. Apple-Ⅱ microcomputer set is equipped successfully in a photoelectrical capillary probe system for the measurement of BSD on line. Excellent results for the gas-liquid dispersion systems of surfaetant solutions in foam fractionation columns were obtained using the method: maximum absolute derivation and maximum relative derivation between the true value and corrected value of bubbles are less than or equal tO 0.07 mm and 4.26%, respectively.

本文从一维两相流的基本理论出发,分析了毛细管气泡块状流(BSF)的复杂形态,推导出了垂直毛细管内BSF的轴向压力梯度的理论公式。并在实验基础上,建立了光电毛细探头技术(Ⅰ)测定气泡尺寸分布(BSD)的压力校正方法。同时,将Apple-Ⅱ型微机配置于Ⅰ中,成功地实现了BSD的在线测定。对泡沫分离塔内表面活性剂溶液的气-液分散系统进行了测定。实验结果表明:真实气泡直径与校正后的实验测定值之间的最大绝对偏差≤0.07mm,最大相对偏差≤4.26%。

In this paper, a method, first used by Kontrovitz(1982), for producing internal molds in ostraeode valves, is briefly introduced. This method makes it possible for palaeontologists or biologists to observe several features in detail, such as the ocular sinus, radial pore canals and normal pore canals in three dimensions. Based on the observation of the internal molds of Echinocythereis, Actinocythereis, Henryhowella and Cytherissa (modern and fossil Ostracoda), the differences in shape and size of their ocular...

In this paper, a method, first used by Kontrovitz(1982), for producing internal molds in ostraeode valves, is briefly introduced. This method makes it possible for palaeontologists or biologists to observe several features in detail, such as the ocular sinus, radial pore canals and normal pore canals in three dimensions. Based on the observation of the internal molds of Echinocythereis, Actinocythereis, Henryhowella and Cytherissa (modern and fossil Ostracoda), the differences in shape and size of their ocular sinuses, their polymorphism and ontogeny are discussed. Such variation is useful not only in taxonomic application but also in deducing the palaeoenvironment (especially the water depth) in which they once lived. The shape, size and mierostrueture of radial pore canals and normal pore canals of some species are also mentioned, and three patterns of radial pore canals are established, which were very difficult to investigate before with SEM or TEM.

本文较为详细地介绍由Kontrovitz首先使用的介形类人工内模的铸型方法。基于某些海生或淡水现生、化石介形类Echinocythereis margaritifera,Actinocythereis thompsoni, Henryhowella florienensis 和Cytherissa lacustris内模的电子扫描显微镜观察,介绍了其中具眼窦介形类的跟窦结构及术语;报道了它的形态特点和差异;讨论了服窦形态在介形类分类、个体发育,尤其是利用它在判断生物生活水体深度的潜在意义。首次报道了淡水介形类Cytherissa lacustris内模上垂直毛细管及边缘毛细管的形态特点,这些微细结构过去也难以在电镜下清楚地观察和研究。介形类人工内模的研究,为现生或化石介形类的深入研究开辟了一条新途径。

Improvement of the groutability of cement materials is the krux to widen the uses and applications of cement grouting technique. This paper introduces the systematic study of the stability and rheological proper- ties of cement paste, and discusses the factors which influence the mentioned properties of fresh cement pastes as well. Analyses of the direct relation between rheological properties and groutatiblity about cement pastes were made according to rheological theories. The formula of groutability of cement...

Improvement of the groutability of cement materials is the krux to widen the uses and applications of cement grouting technique. This paper introduces the systematic study of the stability and rheological proper- ties of cement paste, and discusses the factors which influence the mentioned properties of fresh cement pastes as well. Analyses of the direct relation between rheological properties and groutatiblity about cement pastes were made according to rheological theories. The formula of groutability of cement paste was proposed to describe the relation of groutability with sedimentary velodity and plastic viscosity of cement paste quantitatively. The effective measures to improve the groutability of cement paste are to increase the fineness of cement, to use cement pastes with optimal water cement ratio and to add suitable superplasticizers.

提高水泥浆体的可灌性是扩大水泥灌浆使用范围、提高灌浆质量的关键。作者用同轴回转粘度计、垂直毛细管粘度仪和激光颗分仪系统研究了水泥浆的流变性和可灌性。根据量纲分析和可灌性理论,提出了可灌性的定量表示公式。提高水泥浆体可灌性的有效措施是增加水泥的细度,使用最佳水灰比的浆体和掺加适量的塑化剂。

 
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