Maturity temperature

Edmunds, L.K. Combined relation of plant maturity, temperature and soil moisture to charcoal rot development in grain sorghum. Phytopathology 1964 54 514-17. 

Figure 7. Variation in the thiophene ratio (TR upper diagram) and Ternary plot showing the variation in the relative abundances of 2,3-dimethylthiophene, n-non-l-ene and 1,2-dimethylbenzene (lower diagram) with artificial maturation temperature for a suite of kerogen residues obtained from hydrous pyrolysis (72 hrs) of Kimmeridge kerogen (Dorset, U.K.). NB. Integrated peak areas for 2,3-dimethylthiophene also include 2-vinylthiophene.

Increases with increasing MW and maturing temperature Nongelling... 

Figure 2 Effect of temperature on the aggregation of intermediates for wild type and tsf mutants of the P22 tailspike. The experimental protocol is the same as in figure 1 except that after labelling, the polypeptide chains were allowed to mature for one hour at different temperatures. The percentage of each species at the end of maturation is plotted as a function of maturation temperature. (A) native tailspikes, (O) folding intermediates, ( ) aggregated species. (Reproduced with permission from reference 29. Copyright 1988 The American Society for Biochemistry Molecular Biology.)...

The following errors in the brewing process listed in Table 5.11 can result in extreme values for the parameters measmed high fermentation/maturation temperature, insufficient aeration, long maturation time (yeast excretion), very strong yeast growth/ propagation, FAN deficiency, low yeast cell concentration, and short maturation. 

A High fermentation/ maturation temperature B Insufficient aeration C Long maturation time (yeast excretion)... 

The concentration of inorganic components in forage crops varies according to crop maturity, temperature, and soil pH and composition. The analyses of mineral content can reveal soil or management deficiencies as well as optimum harvest time for proper crop management. Actual mineral analyses are used to determine the amount of mineral supplementation to be added to an animal ration for proper nutritional balance. Reference methods of analysis include inductively coupled argon plasma (ICP), atomic absorption spectroscopy (AAS), and x-ray fluorescence spectroscopy (XRF). These techniques are well established for the analysis of mineral elements in whole-plant material. The exact procedures for sample preparation and analysis are well documented. Copies of the procedures may be obtained from instrument manufacturers or are readily found using basic texts for each analytical technique. 

Cryptocrystalline flint will show more cristobalite development under heat treatment than will quartz flint. This property has an important bearing on thermal shock resistance of whiteware bodies, allowing more resistant bodies to be made using quartz flint. Impurities in the flint and the fineness to which it is ground have a decided effect on the behavior of the body this effect is probably of more commercial importance than that caused by the type of flint used. The maturing temperature of a body is now lowered materially by the use of cryptocrystalline flint, but overfiring will take place more rapidly than in bodies where quartz flint is used. 

Support reference Reactants concentrations (mol/L) Reaction and maturation temperature (°C) Addition rate (mL/min) Maturation time (min)... 

The reactants concentrations is the more influent parameter on the specific surface. Using 0.05M instead of O.IM leads to a mean increase of 26.8 m /g of the specific surface. To increase the surface it is preferable to work with a short maturation time, high addition rate and low reaction and maturation temperature. 

The effects of the preparation conditions studied on the total porous volume are not significant. However using high reactants concentrations and reaction and maturation temperature will increase the mean pore diameter. 

This work leads to the conclusion that using low reactants concentrations is impoitant to get a support with a high surface area. The total porous volume is not significantly influenced by the preparation conditions studied However it possible to get a mesoporous support by choosing low reactants concentrations, high reaction and maturation temperature, maturation time and and addition rate. This corresponds to S2 which has a 110 m /g specific surface, 50% of the porous volume provided by pores of Dp>20 nm and 18% by pores of Dp in the range 5 to 20 run. The reproducibility of the preparation procedure is excellent. 

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