Homogenous suspension

Agitate the slurry by hand or with a wide spatula to maintain a homogeneous suspension. Immerse the test leaf face downward to approximately one-half the depth of the slurry. 

In the Jar Test , an initially uniform, homogeneous suspension of partieles slurries settles out under the foree of gravity into distinet zones, as illustrated in Figure 2.6. 

Fig. 6.3.7 Luminescence spectrum of a homogenate of the luminous organ of Symplectoteuthis oualaniensis in the presence of 0.5 M KC1 (from Tsuji and Leisman, 1981). A homogenate suspension (1 ml) and 1MKC1 (1 ml), both made with 50 mM Tris-HCl, pH 7.6, containing 1 mM dithioerythritol, were mixed and the spectrum was measured 6 min after mixing. Note that the luminescence of the photoprotein symplectin isolated from the luminous organs showed a maximum at 470—480 nm (Takahashi and Isobe, 1993, 1994).

Liquids of complex structure, such a polymer solutions and melts, and pseudo-homogeneous suspensions of fine particles, will generally exhibit non-Newtonian behaviour, with their apparent viscosities depending on the rate at which they are sheared, and the time for which they have been subjected to shear. They may also exhibit significant elastic... 

Lord Rayleigh [310] modeled transport in a homogeneous suspension of spheres placed in a square lattice. In terms of diffusion coefficients, his solution was... 

Thermal pretreatment of waste can enhance the biodegradability of hazardous substance. Homogenization/suspension of solid wastes or nondissolved sludges in water will increase the surface of the waste particles and, as result of this, the rate of biodegradation wiU also be increased. 

The master cell bank is a homogeneous suspension of the original cells already transformed by the expression vector containing the desired gene, distributed in equal volumes into individual containers for storage (e.g. in liquid nitrogen). In some cases it may be necessary to establish separate master cell banks for the expression vector and the host cells. 

In a well mixed bioreactor a homogeneous suspension exists and typical growth kinetics an be observed as illustrated in Figure 5.17. Six phases can be distinguished the lag phase acceleration phase the exponential growth phase the deceleration phase the stationary phase and the phase at which death/decline occurs. 

Disperse systems often necessitate particle size reduction, whether it is an integral part of product processing, as in the process of liquid-liquid emulsification, or an additional requirement insofar as solid particle suspensions are concerned. (It should be noted that solid particles suspended in liquids often tend to agglomerate. Although milling of such suspensions tends to disrupt such agglomerates and produce a more homogeneous suspension. 

The gas velocities that are required for homogeneous suspension are far greater than those required for complete suspension. The gas velocity required to achieve complete suspension can be obtained from the correlation of Roy et al. (Ramachandran and Chaudhari, 1984) ... 

In the two-stage process described by Davis (Ref 26, pl85), 70g of aniline and 32g of precipitated Ca carbonate are stirred together with w in such a manner as to form a homogeneous suspension, and the mixt is heated to ca 60°, Dinitrochlorobenzene,... 

Low-Viscosity Media. The time is measured that is required to produce a homogeneous suspension of particles in the dispersion medium using an oscillatory shaking... 

Shake 55 g of the powder with 100 ml of water until a homogeneous suspension is obtained. 

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