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Damage to the dovetail comes by pressing the wedge part and splitting it perpendicularly to grain.
· When the beam displacement (sag) applies it is applicable to increase the number of keys.

. , Foreword Notwithstanding, the very great progress made in ceramic science and the elegance and excitement of the research which has been conducted - one thinks of the transformation toughening of zirconia or the grain boundary structures in silicon nitride or the crystallography of the ceramic superconductors - the real engine for development in ceramics remains the potential for applications.
A large number of companies are working diligently to produce components that take advantage of the various thermal, mechanical, electronic, optical, and chemical properties of ceramics.

The surface morphology of the PI thin films characterized by densely-packed round grains is shown in Fig. 4.
VDP films can be routinely laser drilled, they show excellent chemical resistance, and are fully compatible with a number of standard fabrication processes, such as metal sputtering and electroplating References [1] J.

Phase analysis of iron ore and grain size analysis test results are shown in the table 1 and table 2.
Through the experimental phenomena and results we can see that, the uniform size and number of bubbles can improve the grade of the concentrate, but inflation is too large, the grade of concentrate decreased.

The delivery pump system serves as the main component of the cement foaming machine, because foam cement grout is sticky and contains grain, peristaltic pumps are needed to pump and pour.
Cross section area of inner circle before and after change So, the flow rate of peristaltic pump in which, n-the number of compress roll.

The HDDR process is influenced by a large number of variables that are interrelated and major efforts are being devoted to the study the complex processing of these materials [2,3,4].
The HDDR process allows the refinement of the matrix phase’s grain providing a material for the preparation of permanent magnets with magnetic properties [1].

Identification and characterization of microdefect systems in one of the glass grades: a) determination of the coordinates of microcracks in the V (Z) -curve regime; b) the dependence of the number N of detected microcracks in the V (Z) -curve regime on the thickness of the stripped layer; c) the dependence of the strength of glass (K-108) on the depth of cracks.
These characteristics allowed us to determine the grain size of steel structures, to obtain acoustic images of these structures without any additional processing.

Fundamental theory of the method is based on a current impulse heat passing through the press mold to grain interfaces of initial powder particles, which leads to partial heating and electrical field occurrence.
Because the point number for difference scheme is fixed along Oz, we calculate the spatial step change.

The median particle size was determined by counting the number of particles of a given grain size in a given area.

Layout of monitoring temperature sensors Fig.1 Modeling test of double-row-pipe freezing Table 1 Parameters of modeling test soil water content 31.4% 1st row pipes spacing 0.25m soil initial temperature 20℃ 2nd row pipe radius 0.64m 1st row pipe radius 0.48m 2nd row pipe number 40 1st row pipe number 12 2nd row pipe spacing 0.10m Through the modeling test, the temperature vs time at different measuring point is given in Fig.2 and Fig.3 respectively.
The modelling of the freezing process in fine-grained porous media: Application to the frost heave estimation.