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Linear movement

This approach is more close to X-ray stereo imaging and caimot reach enough depth resolution. There are also several systems with linear movement (1-dimensional) through the conical beam [5] as shown in Fig.4. In this case usable depth and spatial resolution can be achieved for specifically oriented parts of the object only. [Pg.569]

The physieal realization of a system to eontrol room temperature is shown in Figure 1.6. Flere the output signal from a temperature sensing deviee sueh as a thermoeouple or a resistanee thermometer is eompared with the desired temperature. Any differenee or error eauses the eontroller to send a eontrol signal to the gas solenoid valve whieh produees a linear movement of the valve stem, thus adjusting the flow of gas to the burner of the gas fire. The desired temperature is usually obtained from manual adjustment of a potentiometer. [Pg.6]

Mechanism An arrangement that allows rotary movement to be converted to linear movement or vice versa. A linkage for dampers, etc. [Pg.1458]

Slip—[ c actual linear movement along the fault plane. [Pg.247]

Centrifugal pumps require a rigid foundation that prevents torsional or linear movement of the pump and its baseplate. In most cases, this type of pump is mounted on a concrete pad or pedestal having enough mass to securely support the baseplate, pump and its driver. The following general mles apply to foundation design. [Pg.520]

Reciprocating linear-motion machines incorporate components that move linearly in a reciprocating fashion to perform work. Such reciprocating machines are bidirectional in that the linear movement reverses, returning to the initial position with each completed cycle of operation. Non-reciprocating linear-motion machines incorporate components that also generate work in a straight line, but do not reverse direction within one complete cycle of operation. [Pg.670]

The use of hydraulic systems for the setting, operation and control of machine tools has increased significantly. Hydraulic mechanisms being inter-linked with electronic controls and/or feedback control systems. In machine tools, hydraulic systems have the advantage of providing stepless and vibration-less transfer of power. They are particularly suitable for the linear movement of tables and slideways, to which a hydraulic piston may be directly coupled. [Pg.866]

Rotem, Z. and Shinnar, R., Non-NeAvtonian Flow Between Parallel Boundaries in Linear Movement, Chem. Eng. Sci., 15, 130 (1961)... [Pg.326]

These transforms offer the regression analysis the opportunity to ask of the data the following question How sensitive is activity to linear movement of DICARB away from the stipulated optima " The lines plotted in Figure 2C illustrate the concept. Regression runs against the combined Phase I and II datasets confirmed the utility of this approach and the suitability of 2.0 (mite) and 3.0 (egg) as constants in the transform. [Pg.335]

Developments in micro-processing have made it much easier to monitor and to control conditions in the course of manufacture, and to prepare and maintain written records. Injection moulding may be supervised with the help of melt thermocouples fitted in the nozzle, pressure transducers in the hydraulic line and in the mould, and a transducer to monitor linear movement of the screw. Information from these sensors may be displayed and depicted in relation to the control limits (upper and lower) and the operator thus made aware immediately of variations that could be significant. Conditions can be corrected more rapidly and if need be any mouldings that might not be satisfactory diverted for examination. Should the number of suspect products exceed a limit set in advance, a line can be shut down automatically. [Pg.155]

The results of our simulation are summarized in Figure 4-19. The detailed discussion was presented in the original article.33 Here we will only discuss some major points. The reaction mechanism involves Walden inversion of chloromethane, with the planar CH3 group in the symmetrical transition state geometry. The IRP involves linear movement of the carbon and two chlorine atoms, accompanied by bending the C-H bonds toward tetrahedrical orientation. [Pg.249]

There is little eridoice that inertial terms are important in the conrideration of backbone motions. This facilitates analyris of the linear movement in terms of normal modes determined by the stifihess constants and the riscous drag. The corresponding polar response is a superposition of simple decays dominated by the lowest one or two modes. [Pg.40]

The instruments have a furnace, and mostly a linear variable differential transformer (LVDT) to produce an electrical signal from a linear movement. An additional unit controls the force applied. Special attachments allow the same instrument to work in different modes such as elongation, compression, penetration, or tension. [Pg.3730]

For approaching a STM tip to a surface (or vice versa) [55, 56] a mechanical set-up with micrometer adjustment [57] or a piezo-based linear translation stage is necessary. In principle, three classes of piezo-based motors exist for linear movement caterpillars, impact drives (driven by inertia) and slip-stick motors [58]. Modern slip-stick inertia translation stages combine the latter two principles. ... [Pg.343]

Figure 194 depicts the cam drive schematically. Cam and lever arrangements are used to convert rotary motion to linear movement. Pressing speed, timing, and motion are adjustable by changing the contours of the cams or cam inserts. [Pg.237]

The stirred-tank reactor consists of a box or tank with a stirrer in it. The solid medium in the tank is stirred in batch or continuous mode to facilitate oxygen mass transfer. Figure 8 shows the rectangular pilot reactor (2 x 0.8 x 2.3 m) designed by Durand and Chereau [70] to culture T. viride with sugar beet pulp as raw material. The thickness of the substrate layer in the reactor is 1 m. Three vertical screws are bound to a conveyor with dual direction movement. The linear movement speed of the conveyor and the rotating rate of the screws are... [Pg.84]

A.17.5 The sequential model and the nucleation growth model. The sequential model proposes a step-by-step model in which there is linear movement within structural state space from unfolded to folded. Models like the nucleation growth model propose discontinuous folding during which a protein needs to create a critical nucleation point before collapsing into its folding confirmation. [Pg.74]

The usual procedures for the conception of electrochemical reactors arise from the mass conservation laws and the hydrodynamic structure of the device. In fact, four types of balances can be considered energy, charge, mass, and linear movement quantity. Since the reactor must include the anodic and the cathodic reactions, it is possible to make a complete balance for the mass. The temperature also governs the stability of a chemical reactor, but in the case of an electrochemical device, the charge involved in the entire process has to be considered first [3-5]. [Pg.319]

The Sopares gradient system uses a similar device. A conducting chart on which the gradient curve 1s drawn with a compass point is displaced with a linear movement in front of an optoelectric device which follows the curve exactly. This gives two electric signals, which can control two tension-controlled pumps, A low-volume (less than 200 ul) mixing chamber is used. The response time of the system can be less than 1 sec. Two tapes drawn on the chart allow the control of various on-off devices. [Pg.61]

Quiet, easy hum of a motor. Tap tap tap of feet on a hard floor—an audio discrimination program went primary— two sets of feet, plus the level breathing of two people. Constant pulse of light pressure on the enhanced retinas below closed eyelids indicated linear movement, backed up by inner ear fluid motion estimated at a fast walking pace. Posture was level he was still lying on his bed. [Pg.320]

At the rotation of m-ball under the action of g the angular rotation rate for any polymeric chain is the same but their links depending on the remoteness from the rotation center will have different linear movement rates. Consequently, in m-ball there are local velocity gradients of the hydrodynamic flow. Let represents the averaged upon m-ball local velocity gradient of the hydrodynamic flow additional to g. Then, the tangential or strain shear a formed by these gradients and g at the rotation movement of w-ball in the medium of a solvent will be equal to ... [Pg.143]

The kinematics of reaming is comparable to the drilling process that incorporates a rotational movement and a linear movement in axial direction of the tool (Fig. 1). Reaming is basically a counter bore operation with thin chips. The target is to produce high precise holes in diameter with excellent surface and form quality. [Pg.504]


See other pages where Linear movement is mentioned: [Pg.766]    [Pg.7]    [Pg.1099]    [Pg.133]    [Pg.553]    [Pg.229]    [Pg.64]    [Pg.429]    [Pg.75]    [Pg.74]    [Pg.92]    [Pg.64]    [Pg.590]    [Pg.939]    [Pg.12]    [Pg.47]    [Pg.1099]    [Pg.79]    [Pg.944]    [Pg.770]    [Pg.62]    [Pg.326]    [Pg.216]    [Pg.238]    [Pg.410]    [Pg.428]    [Pg.74]    [Pg.416]   
See also in sourсe #XX -- [ Pg.16 , Pg.17 , Pg.18 , Pg.19 , Pg.20 , Pg.21 , Pg.22 ]




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